aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/mlx5
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/mlx5')
-rw-r--r--drivers/net/mlx5/Makefile95
-rw-r--r--drivers/net/mlx5/meson.build38
-rw-r--r--drivers/net/mlx5/mlx5.c88
-rw-r--r--drivers/net/mlx5/mlx5.h3
-rw-r--r--drivers/net/mlx5/mlx5_defs.h9
-rw-r--r--drivers/net/mlx5/mlx5_flow.c287
-rw-r--r--drivers/net/mlx5/mlx5_flow.h48
-rw-r--r--drivers/net/mlx5/mlx5_flow_dv.c1099
-rw-r--r--drivers/net/mlx5/mlx5_flow_tcf.c3371
-rw-r--r--drivers/net/mlx5/mlx5_flow_verbs.c638
-rw-r--r--drivers/net/mlx5/mlx5_glue.c38
-rw-r--r--drivers/net/mlx5/mlx5_glue.h10
-rw-r--r--drivers/net/mlx5/mlx5_rxq.c49
-rw-r--r--drivers/net/mlx5/mlx5_rxtx.c78
-rw-r--r--drivers/net/mlx5/mlx5_rxtx.h1
-rw-r--r--drivers/net/mlx5/mlx5_rxtx_vec.c2
16 files changed, 4902 insertions, 952 deletions
diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index fecb57c1..7a50bccd 100644
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -51,6 +51,7 @@ CFLAGS += -D_DEFAULT_SOURCE
CFLAGS += -D_XOPEN_SOURCE=600
CFLAGS += $(WERROR_FLAGS)
CFLAGS += -Wno-strict-prototypes
+CFLAGS += $(shell pkg-config --cflags libmnl)
ifeq ($(CONFIG_RTE_LIBRTE_MLX5_DLOPEN_DEPS),y)
CFLAGS += -DMLX5_GLUE='"$(LIB_GLUE)"'
CFLAGS += -DMLX5_GLUE_VERSION='"$(LIB_GLUE_VERSION)"'
@@ -59,7 +60,7 @@ LDLIBS += -ldl
else
LDLIBS += -libverbs -lmlx5
endif
-LDLIBS += -lmnl
+LDLIBS += $(shell pkg-config --libs libmnl)
LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs
LDLIBS += -lrte_bus_pci
@@ -137,9 +138,14 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
enum MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP \
$(AUTOCONF_OUTPUT)
$Q sh -- '$<' '$@' \
+ HAVE_IBV_MLX5_MOD_CQE_128B_PAD \
+ infiniband/mlx5dv.h \
+ enum MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
HAVE_IBV_FLOW_DV_SUPPORT \
infiniband/mlx5dv.h \
- enum MLX5DV_FLOW_ACTION_TAG \
+ func mlx5dv_create_flow_action_packet_reformat \
$(AUTOCONF_OUTPUT)
$Q sh -- '$<' '$@' \
HAVE_ETHTOOL_LINK_MODE_25G \
@@ -212,6 +218,11 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
enum IFLA_PHYS_PORT_NAME \
$(AUTOCONF_OUTPUT)
$Q sh -- '$<' '$@' \
+ HAVE_IFLA_VXLAN_COLLECT_METADATA \
+ linux/if_link.h \
+ enum IFLA_VXLAN_COLLECT_METADATA \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
HAVE_TCA_CHAIN \
linux/rtnetlink.h \
enum TCA_CHAIN \
@@ -372,6 +383,86 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
enum TCA_VLAN_PUSH_VLAN_PRIORITY \
$(AUTOCONF_OUTPUT)
$Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_KEY_ID \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_KEY_ID \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV4_SRC \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV4_DST \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV4_DST_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV6_SRC \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV6_DST \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_IPV6_DST_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_UDP_SRC_PORT \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_UDP_DST_PORT \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK \
+ linux/pkt_cls.h \
+ enum TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TC_ACT_TUNNEL_KEY \
+ linux/tc_act/tc_tunnel_key.h \
+ define TCA_ACT_TUNNEL_KEY \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_TUNNEL_KEY_ENC_DST_PORT \
+ linux/tc_act/tc_tunnel_key.h \
+ enum TCA_TUNNEL_KEY_ENC_DST_PORT \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
+ HAVE_TCA_TUNNEL_KEY_NO_CSUM \
+ linux/tc_act/tc_tunnel_key.h \
+ enum TCA_TUNNEL_KEY_NO_CSUM \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
HAVE_TC_ACT_PEDIT \
linux/tc_act/tc_pedit.h \
enum TCA_PEDIT_KEY_EX_HDR_TYPE_UDP \
diff --git a/drivers/net/mlx5/meson.build b/drivers/net/mlx5/meson.build
index e8cbe3ee..28938db0 100644
--- a/drivers/net/mlx5/meson.build
+++ b/drivers/net/mlx5/meson.build
@@ -96,8 +96,10 @@ if build
'MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED' ],
[ 'HAVE_IBV_MLX5_MOD_CQE_128B_COMP', 'infiniband/mlx5dv.h',
'MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP' ],
+ [ 'HAVE_IBV_MLX5_MOD_CQE_128B_PAD', 'infiniband/mlx5dv.h',
+ 'MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD' ],
[ 'HAVE_IBV_FLOW_DV_SUPPORT', 'infiniband/mlx5dv.h',
- 'MLX5DV_FLOW_ACTION_TAG' ],
+ 'mlx5dv_create_flow_action_packet_reformat' ],
[ 'HAVE_IBV_DEVICE_MPLS_SUPPORT', 'infiniband/verbs.h',
'IBV_FLOW_SPEC_MPLS' ],
[ 'HAVE_IBV_WQ_FLAG_RX_END_PADDING', 'infiniband/verbs.h',
@@ -128,6 +130,8 @@ if build
'IFLA_PHYS_SWITCH_ID' ],
[ 'HAVE_IFLA_PHYS_PORT_NAME', 'linux/if_link.h',
'IFLA_PHYS_PORT_NAME' ],
+ [ 'HAVE_IFLA_VXLAN_COLLECT_METADATA', 'linux/if_link.h',
+ 'IFLA_VXLAN_COLLECT_METADATA' ],
[ 'HAVE_TCA_CHAIN', 'linux/rtnetlink.h',
'TCA_CHAIN' ],
[ 'HAVE_TCA_FLOWER_ACT', 'linux/pkt_cls.h',
@@ -192,6 +196,38 @@ if build
'TC_ACT_GOTO_CHAIN' ],
[ 'HAVE_TC_ACT_VLAN', 'linux/tc_act/tc_vlan.h',
'TCA_VLAN_PUSH_VLAN_PRIORITY' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_KEY_ID', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_KEY_ID' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV4_SRC' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV4_DST' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV4_DST_MASK' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV6_SRC' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV6_DST' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_IPV6_DST_MASK' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_UDP_SRC_PORT' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_UDP_DST_PORT' ],
+ [ 'HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK', 'linux/pkt_cls.h',
+ 'TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK' ],
+ [ 'HAVE_TC_ACT_TUNNEL_KEY', 'linux/tc_act/tc_tunnel_key.h',
+ 'TCA_ACT_TUNNEL_KEY' ],
+ [ 'HAVE_TCA_TUNNEL_KEY_ENC_DST_PORT', 'linux/tc_act/tc_tunnel_key.h',
+ 'TCA_TUNNEL_KEY_ENC_DST_PORT' ],
+ [ 'HAVE_TCA_TUNNEL_KEY_NO_CSUM', 'linux/tc_act/tc_tunnel_key.h',
+ 'TCA_TUNNEL_KEY_NO_CSUM' ],
[ 'HAVE_TC_ACT_PEDIT', 'linux/tc_act/tc_pedit.h',
'TCA_PEDIT_KEY_EX_HDR_TYPE_UDP' ],
[ 'HAVE_RDMA_NL_NLDEV', 'rdma/rdma_netlink.h',
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index a277b573..ed1fcfc7 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -51,6 +51,9 @@
/* Device parameter to enable RX completion queue compression. */
#define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
+/* Device parameter to enable RX completion entry padding to 128B. */
+#define MLX5_RXQ_CQE_PAD_EN "rxq_cqe_pad_en"
+
/* Device parameter to enable Multi-Packet Rx queue. */
#define MLX5_RX_MPRQ_EN "mprq_en"
@@ -72,6 +75,12 @@
*/
#define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
+/*
+ * Device parameter to configure the number of TX queues threshold for
+ * enabling vectorized Tx.
+ */
+#define MLX5_TXQS_MAX_VEC "txqs_max_vec"
+
/* Device parameter to enable multi-packet send WQEs. */
#define MLX5_TXQ_MPW_EN "txq_mpw_en"
@@ -390,6 +399,7 @@ const struct eth_dev_ops mlx5_dev_ops = {
.filter_ctrl = mlx5_dev_filter_ctrl,
.rx_descriptor_status = mlx5_rx_descriptor_status,
.tx_descriptor_status = mlx5_tx_descriptor_status,
+ .rx_queue_count = mlx5_rx_queue_count,
.rx_queue_intr_enable = mlx5_rx_intr_enable,
.rx_queue_intr_disable = mlx5_rx_intr_disable,
.is_removed = mlx5_is_removed,
@@ -479,6 +489,8 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
}
if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
config->cqe_comp = !!tmp;
+ } else if (strcmp(MLX5_RXQ_CQE_PAD_EN, key) == 0) {
+ config->cqe_pad = !!tmp;
} else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
config->mprq.enabled = !!tmp;
} else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
@@ -491,6 +503,8 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
config->txq_inline = tmp;
} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
config->txqs_inline = tmp;
+ } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
+ config->txqs_vec = tmp;
} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
config->mps = !!tmp;
} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
@@ -531,12 +545,14 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
{
const char **params = (const char *[]){
MLX5_RXQ_CQE_COMP_EN,
+ MLX5_RXQ_CQE_PAD_EN,
MLX5_RX_MPRQ_EN,
MLX5_RX_MPRQ_LOG_STRIDE_NUM,
MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
MLX5_RXQS_MIN_MPRQ,
MLX5_TXQ_INLINE,
MLX5_TXQS_MIN_INLINE,
+ MLX5_TXQS_MAX_VEC,
MLX5_TXQ_MPW_EN,
MLX5_TXQ_MPW_HDR_DSEG_EN,
MLX5_TXQ_MAX_INLINE_LEN,
@@ -698,8 +714,8 @@ mlx5_uar_init_secondary(struct rte_eth_dev *dev)
* Backing DPDK device.
* @param ibv_dev
* Verbs device.
- * @param vf
- * If nonzero, enable VF-specific features.
+ * @param config
+ * Device configuration parameters.
* @param[in] switch_info
* Switch properties of Ethernet device.
*
@@ -713,7 +729,7 @@ mlx5_uar_init_secondary(struct rte_eth_dev *dev)
static struct rte_eth_dev *
mlx5_dev_spawn(struct rte_device *dpdk_dev,
struct ibv_device *ibv_dev,
- int vf,
+ struct mlx5_dev_config config,
const struct mlx5_switch_info *switch_info)
{
struct ibv_context *ctx;
@@ -721,28 +737,12 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
struct ibv_port_attr port_attr;
struct ibv_pd *pd = NULL;
struct mlx5dv_context dv_attr = { .comp_mask = 0 };
- struct mlx5_dev_config config = {
- .vf = !!vf,
- .mps = MLX5_ARG_UNSET,
- .tx_vec_en = 1,
- .rx_vec_en = 1,
- .mpw_hdr_dseg = 0,
- .txq_inline = MLX5_ARG_UNSET,
- .txqs_inline = MLX5_ARG_UNSET,
- .inline_max_packet_sz = MLX5_ARG_UNSET,
- .vf_nl_en = 1,
- .mprq = {
- .enabled = 0,
- .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
- .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
- .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
- },
- };
struct rte_eth_dev *eth_dev = NULL;
struct priv *priv = NULL;
int err = 0;
unsigned int mps;
unsigned int cqe_comp;
+ unsigned int cqe_pad = 0;
unsigned int tunnel_en = 0;
unsigned int mpls_en = 0;
unsigned int swp = 0;
@@ -863,6 +863,11 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
else
cqe_comp = 1;
config.cqe_comp = cqe_comp;
+#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
+ /* Whether device supports 128B Rx CQE padding. */
+ cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
+ (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
+#endif
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
tunnel_en = ((dv_attr.tunnel_offloads_caps &
@@ -1079,6 +1084,12 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
DRV_LOG(WARNING, "Rx CQE compression isn't supported");
config.cqe_comp = 0;
}
+ if (config.cqe_pad && !cqe_pad) {
+ DRV_LOG(WARNING, "Rx CQE padding isn't supported");
+ config.cqe_pad = 0;
+ } else if (config.cqe_pad) {
+ DRV_LOG(INFO, "Rx CQE padding is enabled");
+ }
if (config.mprq.enabled && mprq) {
if (config.mprq.stride_num_n > mprq_max_stride_num_n ||
config.mprq.stride_num_n < mprq_min_stride_num_n) {
@@ -1157,7 +1168,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
eth_dev->dev_ops = &mlx5_dev_ops;
/* Register MAC address. */
claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
- if (vf && config.vf_nl_en)
+ if (config.vf && config.vf_nl_en)
mlx5_nl_mac_addr_sync(eth_dev);
priv->tcf_context = mlx5_flow_tcf_context_create();
if (!priv->tcf_context) {
@@ -1326,7 +1337,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
{
struct ibv_device **ibv_list;
unsigned int n = 0;
- int vf;
+ struct mlx5_dev_config dev_config;
int ret;
assert(pci_drv == &mlx5_driver);
@@ -1424,21 +1435,46 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
*/
if (n)
qsort(list, n, sizeof(*list), mlx5_dev_spawn_data_cmp);
+ /* Default configuration. */
+ dev_config = (struct mlx5_dev_config){
+ .mps = MLX5_ARG_UNSET,
+ .tx_vec_en = 1,
+ .rx_vec_en = 1,
+ .txq_inline = MLX5_ARG_UNSET,
+ .txqs_inline = MLX5_ARG_UNSET,
+ .txqs_vec = MLX5_ARG_UNSET,
+ .inline_max_packet_sz = MLX5_ARG_UNSET,
+ .vf_nl_en = 1,
+ .mprq = {
+ .enabled = 0, /* Disabled by default. */
+ .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
+ .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
+ .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
+ },
+ };
+ /* Device speicific configuration. */
switch (pci_dev->id.device_id) {
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5BF:
+ dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS_BLUEFIELD;
+ break;
case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
- vf = 1;
+ dev_config.vf = 1;
break;
default:
- vf = 0;
+ break;
}
+ /* Set architecture-dependent default value if unset. */
+ if (dev_config.txqs_vec == MLX5_ARG_UNSET)
+ dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS;
for (i = 0; i != n; ++i) {
uint32_t restore;
- list[i].eth_dev = mlx5_dev_spawn
- (&pci_dev->device, list[i].ibv_dev, vf, &list[i].info);
+ list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
+ list[i].ibv_dev, dev_config,
+ &list[i].info);
if (!list[i].eth_dev) {
if (rte_errno != EBUSY && rte_errno != EEXIST)
break;
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 74d87c05..bc500b2b 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -115,6 +115,7 @@ struct mlx5_dev_config {
/* Whether tunnel stateless offloads are supported. */
unsigned int mpls_en:1; /* MPLS over GRE/UDP is enabled. */
unsigned int cqe_comp:1; /* CQE compression is enabled. */
+ unsigned int cqe_pad:1; /* CQE padding is enabled. */
unsigned int tso:1; /* Whether TSO is supported. */
unsigned int tx_vec_en:1; /* Tx vector is enabled. */
unsigned int rx_vec_en:1; /* Rx vector is enabled. */
@@ -139,6 +140,7 @@ struct mlx5_dev_config {
unsigned int ind_table_max_size; /* Maximum indirection table size. */
int txq_inline; /* Maximum packet size for inlining. */
int txqs_inline; /* Queue number threshold for inlining. */
+ int txqs_vec; /* Queue number threshold for vectorized Tx. */
int inline_max_packet_sz; /* Max packet size for inlining. */
};
@@ -219,6 +221,7 @@ struct priv {
/* Verbs Indirection tables. */
LIST_HEAD(ind_tables, mlx5_ind_table_ibv) ind_tbls;
LIST_HEAD(matchers, mlx5_flow_dv_matcher) matchers;
+ LIST_HEAD(encap_decap, mlx5_flow_dv_encap_decap_resource) encaps_decaps;
uint32_t link_speed_capa; /* Link speed capabilities. */
struct mlx5_xstats_ctrl xstats_ctrl; /* Extended stats control. */
int primary_socket; /* Unix socket for primary process. */
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index f2a16795..bfe66558 100644
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -60,8 +60,13 @@
/* Maximum Packet headers size (L2+L3+L4) for TSO. */
#define MLX5_MAX_TSO_HEADER 192
-/* Default minimum number of Tx queues for vectorized Tx. */
-#define MLX5_VPMD_MIN_TXQS 4
+/* Default maximum number of Tx queues for vectorized Tx. */
+#if defined(RTE_ARCH_ARM64)
+#define MLX5_VPMD_MAX_TXQS 8
+#else
+#define MLX5_VPMD_MAX_TXQS 4
+#endif
+#define MLX5_VPMD_MAX_TXQS_BLUEFIELD 16
/* Threshold of buffer replenishment for vectorized Rx. */
#define MLX5_VPMD_RXQ_RPLNSH_THRESH(n) \
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 280af0ab..3c2ac4b3 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -239,7 +239,6 @@ static const struct rte_flow_ops mlx5_flow_ops = {
/* Convert FDIR request to Generic flow. */
struct mlx5_fdir {
struct rte_flow_attr attr;
- struct rte_flow_action actions[2];
struct rte_flow_item items[4];
struct rte_flow_item_eth l2;
struct rte_flow_item_eth l2_mask;
@@ -259,6 +258,7 @@ struct mlx5_fdir {
struct rte_flow_item_udp udp;
struct rte_flow_item_tcp tcp;
} l4_mask;
+ struct rte_flow_action actions[2];
struct rte_flow_action_queue queue;
};
@@ -275,7 +275,7 @@ static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
/* Tunnel information. */
struct mlx5_flow_tunnel_info {
- uint32_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
+ uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
};
@@ -912,7 +912,13 @@ mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
&rss->level,
"tunnel RSS is not supported");
- if (rss->key_len < MLX5_RSS_HASH_KEY_LEN)
+ /* allow RSS key_len 0 in case of NULL (default) RSS key. */
+ if (rss->key_len == 0 && rss->key != NULL)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ &rss->key_len,
+ "RSS hash key length 0");
+ if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
&rss->key_len,
@@ -1046,15 +1052,13 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
};
int ret;
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
- if (item_flags & MLX5_FLOW_LAYER_OUTER_L2)
+ if (item_flags & ethm)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "3 levels of l2 are not supported");
- if ((item_flags & MLX5_FLOW_LAYER_INNER_L2) && !tunnel)
- return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM, item,
- "2 L2 without tunnel are not supported");
+ "multiple L2 layers not supported");
if (!mask)
mask = &rte_flow_item_eth_mask;
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
@@ -1079,7 +1083,7 @@ mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
*/
int
mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
- int64_t item_flags,
+ uint64_t item_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_vlan *spec = item->spec;
@@ -1091,17 +1095,17 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
uint16_t vlan_tag = 0;
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int ret;
- const uint32_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
+ const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
MLX5_FLOW_LAYER_INNER_L4) :
(MLX5_FLOW_LAYER_OUTER_L3 |
MLX5_FLOW_LAYER_OUTER_L4);
- const uint32_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
+ const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
MLX5_FLOW_LAYER_OUTER_VLAN;
if (item_flags & vlanm)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "VLAN layer already configured");
+ "multiple VLAN layers not supported");
else if ((item_flags & l34m) != 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -1145,7 +1149,7 @@ mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
*/
int
mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
- int64_t item_flags,
+ uint64_t item_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_ipv4 *mask = item->mask;
@@ -1158,15 +1162,17 @@ mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
},
};
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+ MLX5_FLOW_LAYER_OUTER_L3;
+ const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+ MLX5_FLOW_LAYER_OUTER_L4;
int ret;
- if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
- MLX5_FLOW_LAYER_OUTER_L3))
+ if (item_flags & l3m)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"multiple L3 layers not supported");
- else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
- MLX5_FLOW_LAYER_OUTER_L4))
+ else if (item_flags & l4m)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L3 cannot follow an L4 layer.");
@@ -1214,15 +1220,17 @@ mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
},
};
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+ MLX5_FLOW_LAYER_OUTER_L3;
+ const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+ MLX5_FLOW_LAYER_OUTER_L4;
int ret;
- if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
- MLX5_FLOW_LAYER_OUTER_L3))
+ if (item_flags & l3m)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"multiple L3 layers not supported");
- else if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
- MLX5_FLOW_LAYER_OUTER_L4))
+ else if (item_flags & l4m)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L3 cannot follow an L4 layer.");
@@ -1273,6 +1281,10 @@ mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
{
const struct rte_flow_item_udp *mask = item->mask;
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+ MLX5_FLOW_LAYER_OUTER_L3;
+ const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+ MLX5_FLOW_LAYER_OUTER_L4;
int ret;
if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
@@ -1280,16 +1292,14 @@ mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"protocol filtering not compatible"
" with UDP layer");
- if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
- MLX5_FLOW_LAYER_OUTER_L3)))
+ if (!(item_flags & l3m))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L3 is mandatory to filter on L4");
- if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
- MLX5_FLOW_LAYER_OUTER_L4))
+ if (item_flags & l4m)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "L4 layer is already present");
+ "multiple L4 layers not supported");
if (!mask)
mask = &rte_flow_item_udp_mask;
ret = mlx5_flow_item_acceptable
@@ -1325,6 +1335,10 @@ mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
{
const struct rte_flow_item_tcp *mask = item->mask;
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
+ MLX5_FLOW_LAYER_OUTER_L3;
+ const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
+ MLX5_FLOW_LAYER_OUTER_L4;
int ret;
assert(flow_mask);
@@ -1333,16 +1347,14 @@ mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"protocol filtering not compatible"
" with TCP layer");
- if (!(item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
- MLX5_FLOW_LAYER_OUTER_L3)))
+ if (!(item_flags & l3m))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"L3 is mandatory to filter on L4");
- if (item_flags & (tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
- MLX5_FLOW_LAYER_OUTER_L4))
+ if (item_flags & l4m)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "L4 layer is already present");
+ "multiple L4 layers not supported");
if (!mask)
mask = &rte_flow_item_tcp_mask;
ret = mlx5_flow_item_acceptable
@@ -1387,7 +1399,8 @@ mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "a tunnel is already present");
+ "multiple tunnel layers not"
+ " supported");
/*
* Verify only UDPv4 is present as defined in
* https://tools.ietf.org/html/rfc7348
@@ -1473,7 +1486,8 @@ mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "a tunnel is already present");
+ "multiple tunnel layers not"
+ " supported");
/*
* Verify only UDPv4 is present as defined in
* https://tools.ietf.org/html/rfc7348
@@ -1556,7 +1570,8 @@ mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "a tunnel is already present");
+ "multiple tunnel layers not"
+ " supported");
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -1610,11 +1625,13 @@ mlx5_flow_validate_item_mpls(const struct rte_flow_item *item __rte_unused,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"protocol filtering not compatible"
" with MPLS layer");
- if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+ /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
+ if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+ !(item_flags & MLX5_FLOW_LAYER_GRE))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
- "a tunnel is already"
- " present");
+ "multiple tunnel layers not"
+ " supported");
if (!mask)
mask = &rte_flow_item_mpls_mask;
ret = mlx5_flow_item_acceptable
@@ -1646,8 +1663,6 @@ static struct mlx5_flow *
flow_null_prepare(const struct rte_flow_attr *attr __rte_unused,
const struct rte_flow_item items[] __rte_unused,
const struct rte_flow_action actions[] __rte_unused,
- uint64_t *item_flags __rte_unused,
- uint64_t *action_flags __rte_unused,
struct rte_flow_error *error __rte_unused)
{
rte_errno = ENOTSUP;
@@ -1775,16 +1790,19 @@ flow_drv_validate(struct rte_eth_dev *dev,
* calculates the size of memory required for device flow, allocates the memory,
* initializes the device flow and returns the pointer.
*
+ * @note
+ * This function initializes device flow structure such as dv, tcf or verbs in
+ * struct mlx5_flow. However, it is caller's responsibility to initialize the
+ * rest. For example, adding returning device flow to flow->dev_flow list and
+ * setting backward reference to the flow should be done out of this function.
+ * layers field is not filled either.
+ *
* @param[in] attr
* Pointer to the flow attributes.
* @param[in] items
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] item_flags
- * Pointer to bit mask of all items detected.
- * @param[out] action_flags
- * Pointer to bit mask of all actions detected.
* @param[out] error
* Pointer to the error structure.
*
@@ -1792,12 +1810,10 @@ flow_drv_validate(struct rte_eth_dev *dev,
* Pointer to device flow on success, otherwise NULL and rte_ernno is set.
*/
static inline struct mlx5_flow *
-flow_drv_prepare(struct rte_flow *flow,
+flow_drv_prepare(const struct rte_flow *flow,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
- uint64_t *item_flags,
- uint64_t *action_flags,
struct rte_flow_error *error)
{
const struct mlx5_flow_driver_ops *fops;
@@ -1805,8 +1821,7 @@ flow_drv_prepare(struct rte_flow *flow,
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
fops = flow_get_drv_ops(type);
- return fops->prepare(attr, items, actions, item_flags, action_flags,
- error);
+ return fops->prepare(attr, items, actions, error);
}
/**
@@ -1815,6 +1830,12 @@ flow_drv_prepare(struct rte_flow *flow,
* translates a generic flow into a driver flow. flow_drv_prepare() must
* precede.
*
+ * @note
+ * dev_flow->layers could be filled as a result of parsing during translation
+ * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
+ * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
+ * flow->actions could be overwritten even though all the expanded dev_flows
+ * have the same actions.
*
* @param[in] dev
* Pointer to the rte dev structure.
@@ -1878,7 +1899,7 @@ flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
* Flow driver remove API. This abstracts calling driver specific functions.
* Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
* on device. All the resources of the flow should be freed by calling
- * flow_dv_destroy().
+ * flow_drv_destroy().
*
* @param[in] dev
* Pointer to Ethernet device.
@@ -2009,8 +2030,6 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
{
struct rte_flow *flow = NULL;
struct mlx5_flow *dev_flow;
- uint64_t action_flags = 0;
- uint64_t item_flags = 0;
const struct rte_flow_action_rss *rss;
union {
struct rte_flow_expand_rss buf;
@@ -2053,16 +2072,10 @@ flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
}
for (i = 0; i < buf->entries; ++i) {
dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
- actions, &item_flags, &action_flags,
- error);
+ actions, error);
if (!dev_flow)
goto error;
dev_flow->flow = flow;
- dev_flow->layers = item_flags;
- /* Store actions once as expanded flows have same actions. */
- if (i == 0)
- flow->actions = action_flags;
- assert(flow->actions == action_flags);
LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
ret = flow_drv_translate(dev, dev_flow, attr,
buf->entry[i].pattern,
@@ -2127,6 +2140,7 @@ flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
*/
if (dev->data->dev_started)
flow_rxq_flags_trim(dev, flow);
+ rte_free(flow->fdir);
rte_free(flow);
}
@@ -2444,7 +2458,7 @@ mlx5_flow_query(struct rte_eth_dev *dev,
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
+flow_fdir_filter_convert(struct rte_eth_dev *dev,
const struct rte_eth_fdir_filter *fdir_filter,
struct mlx5_fdir *attributes)
{
@@ -2616,6 +2630,69 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
return 0;
}
+#define FLOW_FDIR_CMP(f1, f2, fld) \
+ memcmp(&(f1)->fld, &(f2)->fld, sizeof(f1->fld))
+
+/**
+ * Compare two FDIR flows. If items and actions are identical, the two flows are
+ * regarded as same.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param f1
+ * FDIR flow to compare.
+ * @param f2
+ * FDIR flow to compare.
+ *
+ * @return
+ * Zero on match, 1 otherwise.
+ */
+static int
+flow_fdir_cmp(const struct mlx5_fdir *f1, const struct mlx5_fdir *f2)
+{
+ if (FLOW_FDIR_CMP(f1, f2, attr) ||
+ FLOW_FDIR_CMP(f1, f2, l2) ||
+ FLOW_FDIR_CMP(f1, f2, l2_mask) ||
+ FLOW_FDIR_CMP(f1, f2, l3) ||
+ FLOW_FDIR_CMP(f1, f2, l3_mask) ||
+ FLOW_FDIR_CMP(f1, f2, l4) ||
+ FLOW_FDIR_CMP(f1, f2, l4_mask) ||
+ FLOW_FDIR_CMP(f1, f2, actions[0]))
+ return 1;
+ if (f1->actions[0].type == RTE_FLOW_ACTION_TYPE_QUEUE &&
+ FLOW_FDIR_CMP(f1, f2, queue))
+ return 1;
+ return 0;
+}
+
+/**
+ * Search device flow list to find out a matched FDIR flow.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param fdir_flow
+ * FDIR flow to lookup.
+ *
+ * @return
+ * Pointer of flow if found, NULL otherwise.
+ */
+static struct rte_flow *
+flow_fdir_filter_lookup(struct rte_eth_dev *dev, struct mlx5_fdir *fdir_flow)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct rte_flow *flow = NULL;
+
+ assert(fdir_flow);
+ TAILQ_FOREACH(flow, &priv->flows, next) {
+ if (flow->fdir && !flow_fdir_cmp(flow->fdir, fdir_flow)) {
+ DRV_LOG(DEBUG, "port %u found FDIR flow %p",
+ dev->data->port_id, (void *)flow);
+ break;
+ }
+ }
+ return flow;
+}
+
/**
* Add new flow director filter and store it in list.
*
@@ -2628,32 +2705,38 @@ mlx5_fdir_filter_convert(struct rte_eth_dev *dev,
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_filter_add(struct rte_eth_dev *dev,
+flow_fdir_filter_add(struct rte_eth_dev *dev,
const struct rte_eth_fdir_filter *fdir_filter)
{
struct priv *priv = dev->data->dev_private;
- struct mlx5_fdir attributes = {
- .attr.group = 0,
- .l2_mask = {
- .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
- .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
- .type = 0,
- },
- };
- struct rte_flow_error error;
+ struct mlx5_fdir *fdir_flow;
struct rte_flow *flow;
int ret;
- ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
+ fdir_flow = rte_zmalloc(__func__, sizeof(*fdir_flow), 0);
+ if (!fdir_flow) {
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ ret = flow_fdir_filter_convert(dev, fdir_filter, fdir_flow);
if (ret)
- return ret;
- flow = flow_list_create(dev, &priv->flows, &attributes.attr,
- attributes.items, attributes.actions, &error);
+ goto error;
+ flow = flow_fdir_filter_lookup(dev, fdir_flow);
if (flow) {
- DRV_LOG(DEBUG, "port %u FDIR created %p", dev->data->port_id,
- (void *)flow);
- return 0;
+ rte_errno = EEXIST;
+ goto error;
}
+ flow = flow_list_create(dev, &priv->flows, &fdir_flow->attr,
+ fdir_flow->items, fdir_flow->actions, NULL);
+ if (!flow)
+ goto error;
+ assert(!flow->fdir);
+ flow->fdir = fdir_flow;
+ DRV_LOG(DEBUG, "port %u created FDIR flow %p",
+ dev->data->port_id, (void *)flow);
+ return 0;
+error:
+ rte_free(fdir_flow);
return -rte_errno;
}
@@ -2669,12 +2752,28 @@ mlx5_fdir_filter_add(struct rte_eth_dev *dev,
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
- const struct rte_eth_fdir_filter *fdir_filter
- __rte_unused)
+flow_fdir_filter_delete(struct rte_eth_dev *dev,
+ const struct rte_eth_fdir_filter *fdir_filter)
{
- rte_errno = ENOTSUP;
- return -rte_errno;
+ struct priv *priv = dev->data->dev_private;
+ struct rte_flow *flow;
+ struct mlx5_fdir fdir_flow = {
+ .attr.group = 0,
+ };
+ int ret;
+
+ ret = flow_fdir_filter_convert(dev, fdir_filter, &fdir_flow);
+ if (ret)
+ return -rte_errno;
+ flow = flow_fdir_filter_lookup(dev, &fdir_flow);
+ if (!flow) {
+ rte_errno = ENOENT;
+ return -rte_errno;
+ }
+ flow_list_destroy(dev, &priv->flows, flow);
+ DRV_LOG(DEBUG, "port %u deleted FDIR flow %p",
+ dev->data->port_id, (void *)flow);
+ return 0;
}
/**
@@ -2689,15 +2788,15 @@ mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_filter_update(struct rte_eth_dev *dev,
+flow_fdir_filter_update(struct rte_eth_dev *dev,
const struct rte_eth_fdir_filter *fdir_filter)
{
int ret;
- ret = mlx5_fdir_filter_delete(dev, fdir_filter);
+ ret = flow_fdir_filter_delete(dev, fdir_filter);
if (ret)
return ret;
- return mlx5_fdir_filter_add(dev, fdir_filter);
+ return flow_fdir_filter_add(dev, fdir_filter);
}
/**
@@ -2707,7 +2806,7 @@ mlx5_fdir_filter_update(struct rte_eth_dev *dev,
* Pointer to Ethernet device.
*/
static void
-mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
+flow_fdir_filter_flush(struct rte_eth_dev *dev)
{
struct priv *priv = dev->data->dev_private;
@@ -2723,7 +2822,7 @@ mlx5_fdir_filter_flush(struct rte_eth_dev *dev)
* Resulting flow director information.
*/
static void
-mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
+flow_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
{
struct rte_eth_fdir_masks *mask =
&dev->data->dev_conf.fdir_conf.mask;
@@ -2753,7 +2852,7 @@ mlx5_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
+flow_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
void *arg)
{
enum rte_fdir_mode fdir_mode =
@@ -2770,16 +2869,16 @@ mlx5_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
}
switch (filter_op) {
case RTE_ETH_FILTER_ADD:
- return mlx5_fdir_filter_add(dev, arg);
+ return flow_fdir_filter_add(dev, arg);
case RTE_ETH_FILTER_UPDATE:
- return mlx5_fdir_filter_update(dev, arg);
+ return flow_fdir_filter_update(dev, arg);
case RTE_ETH_FILTER_DELETE:
- return mlx5_fdir_filter_delete(dev, arg);
+ return flow_fdir_filter_delete(dev, arg);
case RTE_ETH_FILTER_FLUSH:
- mlx5_fdir_filter_flush(dev);
+ flow_fdir_filter_flush(dev);
break;
case RTE_ETH_FILTER_INFO:
- mlx5_fdir_info_get(dev, arg);
+ flow_fdir_info_get(dev, arg);
break;
default:
DRV_LOG(DEBUG, "port %u unknown operation %u",
@@ -2820,7 +2919,7 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
*(const void **)arg = &mlx5_flow_ops;
return 0;
case RTE_ETH_FILTER_FDIR:
- return mlx5_fdir_ctrl_func(dev, filter_op, arg);
+ return flow_fdir_ctrl_func(dev, filter_op, arg);
default:
DRV_LOG(ERR, "port %u filter type (%d) not supported",
dev->data->port_id, filter_type);
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 61299d66..51ab47fe 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -92,10 +92,24 @@
#define MLX5_FLOW_ACTION_DEC_TTL (1u << 19)
#define MLX5_FLOW_ACTION_SET_MAC_SRC (1u << 20)
#define MLX5_FLOW_ACTION_SET_MAC_DST (1u << 21)
+#define MLX5_FLOW_ACTION_VXLAN_ENCAP (1u << 22)
+#define MLX5_FLOW_ACTION_VXLAN_DECAP (1u << 23)
+#define MLX5_FLOW_ACTION_NVGRE_ENCAP (1u << 24)
+#define MLX5_FLOW_ACTION_NVGRE_DECAP (1u << 25)
+#define MLX5_FLOW_ACTION_RAW_ENCAP (1u << 26)
+#define MLX5_FLOW_ACTION_RAW_DECAP (1u << 27)
#define MLX5_FLOW_FATE_ACTIONS \
(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)
+#define MLX5_FLOW_ENCAP_ACTIONS (MLX5_FLOW_ACTION_VXLAN_ENCAP | \
+ MLX5_FLOW_ACTION_NVGRE_ENCAP | \
+ MLX5_FLOW_ACTION_RAW_ENCAP)
+
+#define MLX5_FLOW_DECAP_ACTIONS (MLX5_FLOW_ACTION_VXLAN_DECAP | \
+ MLX5_FLOW_ACTION_NVGRE_DECAP | \
+ MLX5_FLOW_ACTION_RAW_DECAP)
+
#ifndef IPPROTO_MPLS
#define IPPROTO_MPLS 137
#endif
@@ -156,6 +170,7 @@ struct mlx5_flow_dv_match_params {
};
#define MLX5_DV_MAX_NUMBER_OF_ACTIONS 8
+#define MLX5_ENCAP_MAX_LEN 132
/* Matcher structure. */
struct mlx5_flow_dv_matcher {
@@ -169,6 +184,19 @@ struct mlx5_flow_dv_matcher {
struct mlx5_flow_dv_match_params mask; /**< Matcher mask. */
};
+/* Encap/decap resource structure. */
+struct mlx5_flow_dv_encap_decap_resource {
+ LIST_ENTRY(mlx5_flow_dv_encap_decap_resource) next;
+ /* Pointer to next element. */
+ rte_atomic32_t refcnt; /**< Reference counter. */
+ struct ibv_flow_action *verbs_action;
+ /**< Verbs encap/decap action object. */
+ uint8_t buf[MLX5_ENCAP_MAX_LEN];
+ size_t size;
+ uint8_t reformat_type;
+ uint8_t ft_type;
+};
+
/* DV flows structure. */
struct mlx5_flow_dv {
uint64_t hash_fields; /**< Fields that participate in the hash. */
@@ -177,6 +205,8 @@ struct mlx5_flow_dv {
struct mlx5_flow_dv_matcher *matcher; /**< Cache to matcher. */
struct mlx5_flow_dv_match_params value;
/**< Holds the value that the packet is compared to. */
+ struct mlx5_flow_dv_encap_decap_resource *encap_decap;
+ /**< Pointer to encap/decap resource in cache. */
struct ibv_flow *flow; /**< Installed flow. */
#ifdef HAVE_IBV_FLOW_DV_SUPPORT
struct mlx5dv_flow_action_attr actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS];
@@ -189,6 +219,15 @@ struct mlx5_flow_dv {
struct mlx5_flow_tcf {
struct nlmsghdr *nlh;
struct tcmsg *tcm;
+ union { /**< Tunnel encap/decap descriptor. */
+ struct flow_tcf_tunnel_hdr *tunnel;
+ struct flow_tcf_vxlan_decap *vxlan_decap;
+ struct flow_tcf_vxlan_encap *vxlan_encap;
+ };
+ uint32_t applied:1; /**< Whether rule is currently applied. */
+#ifndef NDEBUG
+ uint32_t nlsize; /**< Size of NL message buffer for debug check. */
+#endif
};
/* Verbs specification header. */
@@ -253,7 +292,9 @@ struct rte_flow {
/**< Device flows that are part of the flow. */
uint64_t actions;
/**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */
+ struct mlx5_fdir *fdir; /**< Pointer to associated FDIR if any. */
};
+
typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
@@ -261,8 +302,7 @@ typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev,
struct rte_flow_error *error);
typedef struct mlx5_flow *(*mlx5_flow_prepare_t)
(const struct rte_flow_attr *attr, const struct rte_flow_item items[],
- const struct rte_flow_action actions[], uint64_t *item_flags,
- uint64_t *action_flags, struct rte_flow_error *error);
+ const struct rte_flow_action actions[], struct rte_flow_error *error);
typedef int (*mlx5_flow_translate_t)(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
@@ -336,7 +376,7 @@ int mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
uint8_t target_protocol,
struct rte_flow_error *error);
int mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
- int64_t item_flags,
+ uint64_t item_flags,
struct rte_flow_error *error);
int mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
uint64_t item_flags,
@@ -355,7 +395,7 @@ int mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
uint8_t target_protocol,
struct rte_flow_error *error);
int mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
- int64_t item_flags,
+ uint64_t item_flags,
struct rte_flow_error *error);
int mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
uint64_t item_flags,
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 8f729f44..79096153 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -25,6 +25,7 @@
#include <rte_flow_driver.h>
#include <rte_malloc.h>
#include <rte_ip.h>
+#include <rte_gre.h>
#include "mlx5.h"
#include "mlx5_defs.h"
@@ -96,6 +97,613 @@ flow_dv_validate_item_meta(struct rte_eth_dev *dev,
}
/**
+ * Validate the L2 encap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_l2_encap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (!(action->conf))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "configuration cannot be null");
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and encap in same flow");
+ if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS | MLX5_FLOW_DECAP_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap or"
+ " decap action in a flow");
+ if (attr->ingress)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ NULL,
+ "encap action not supported for "
+ "ingress");
+ return 0;
+}
+
+/**
+ * Validate the L2 decap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_l2_decap(uint64_t action_flags,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and decap in same flow");
+ if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS | MLX5_FLOW_DECAP_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap or"
+ " decap action in a flow");
+ if (attr->egress)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ NULL,
+ "decap action not supported for "
+ "egress");
+ return 0;
+}
+
+/**
+ * Validate the raw encap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_raw_encap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (!(action->conf))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "configuration cannot be null");
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and encap in same flow");
+ if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single encap"
+ " action in a flow");
+ /* encap without preceding decap is not supported for ingress */
+ if (attr->ingress && !(action_flags & MLX5_FLOW_ACTION_RAW_DECAP))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ NULL,
+ "encap action not supported for "
+ "ingress");
+ return 0;
+}
+
+/**
+ * Validate the raw decap action.
+ *
+ * @param[in] action_flags
+ * Holds the actions detected until now.
+ * @param[in] action
+ * Pointer to the encap action.
+ * @param[in] attr
+ * Pointer to flow attributes
+ * @param[out] error
+ * Pointer to error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_validate_action_raw_decap(uint64_t action_flags,
+ const struct rte_flow_action *action,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ if (action_flags & MLX5_FLOW_ACTION_DROP)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't drop and decap in same flow");
+ if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can't have encap action before"
+ " decap action");
+ if (action_flags & MLX5_FLOW_DECAP_ACTIONS)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "can only have a single decap"
+ " action in a flow");
+ /* decap action is valid on egress only if it is followed by encap */
+ if (attr->egress) {
+ for (; action->type != RTE_FLOW_ACTION_TYPE_END &&
+ action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP;
+ action++) {
+ }
+ if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ NULL, "decap action not supported"
+ " for egress");
+ }
+ return 0;
+}
+
+
+/**
+ * Find existing encap/decap resource or create and register a new one.
+ *
+ * @param dev[in, out]
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] resource
+ * Pointer to encap/decap resource.
+ * @parm[in, out] dev_flow
+ * Pointer to the dev_flow.
+ * @param[out] error
+ * pointer to error structure.
+ *
+ * @return
+ * 0 on success otherwise -errno and errno is set.
+ */
+static int
+flow_dv_encap_decap_resource_register
+ (struct rte_eth_dev *dev,
+ struct mlx5_flow_dv_encap_decap_resource *resource,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct mlx5_flow_dv_encap_decap_resource *cache_resource;
+
+ /* Lookup a matching resource from cache. */
+ LIST_FOREACH(cache_resource, &priv->encaps_decaps, next) {
+ if (resource->reformat_type == cache_resource->reformat_type &&
+ resource->ft_type == cache_resource->ft_type &&
+ resource->size == cache_resource->size &&
+ !memcmp((const void *)resource->buf,
+ (const void *)cache_resource->buf,
+ resource->size)) {
+ DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ rte_atomic32_inc(&cache_resource->refcnt);
+ dev_flow->dv.encap_decap = cache_resource;
+ return 0;
+ }
+ }
+ /* Register new encap/decap resource. */
+ cache_resource = rte_calloc(__func__, 1, sizeof(*cache_resource), 0);
+ if (!cache_resource)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "cannot allocate resource memory");
+ *cache_resource = *resource;
+ cache_resource->verbs_action =
+ mlx5_glue->dv_create_flow_action_packet_reformat
+ (priv->ctx, cache_resource->size,
+ (cache_resource->size ? cache_resource->buf : NULL),
+ cache_resource->reformat_type,
+ cache_resource->ft_type);
+ if (!cache_resource->verbs_action) {
+ rte_free(cache_resource);
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "cannot create action");
+ }
+ rte_atomic32_init(&cache_resource->refcnt);
+ rte_atomic32_inc(&cache_resource->refcnt);
+ LIST_INSERT_HEAD(&priv->encaps_decaps, cache_resource, next);
+ dev_flow->dv.encap_decap = cache_resource;
+ DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ return 0;
+}
+
+/**
+ * Get the size of specific rte_flow_item_type
+ *
+ * @param[in] item_type
+ * Tested rte_flow_item_type.
+ *
+ * @return
+ * sizeof struct item_type, 0 if void or irrelevant.
+ */
+static size_t
+flow_dv_get_item_len(const enum rte_flow_item_type item_type)
+{
+ size_t retval;
+
+ switch (item_type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ retval = sizeof(struct rte_flow_item_eth);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ retval = sizeof(struct rte_flow_item_vlan);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ retval = sizeof(struct rte_flow_item_ipv4);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ retval = sizeof(struct rte_flow_item_ipv6);
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ retval = sizeof(struct rte_flow_item_udp);
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ retval = sizeof(struct rte_flow_item_tcp);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ retval = sizeof(struct rte_flow_item_vxlan);
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ retval = sizeof(struct rte_flow_item_gre);
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ retval = sizeof(struct rte_flow_item_nvgre);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ retval = sizeof(struct rte_flow_item_vxlan_gpe);
+ break;
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ retval = sizeof(struct rte_flow_item_mpls);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VOID: /* Fall through. */
+ default:
+ retval = 0;
+ break;
+ }
+ return retval;
+}
+
+#define MLX5_ENCAP_IPV4_VERSION 0x40
+#define MLX5_ENCAP_IPV4_IHL_MIN 0x05
+#define MLX5_ENCAP_IPV4_TTL_DEF 0x40
+#define MLX5_ENCAP_IPV6_VTC_FLOW 0x60000000
+#define MLX5_ENCAP_IPV6_HOP_LIMIT 0xff
+#define MLX5_ENCAP_VXLAN_FLAGS 0x08000000
+#define MLX5_ENCAP_VXLAN_GPE_FLAGS 0x04
+
+/**
+ * Convert the encap action data from list of rte_flow_item to raw buffer
+ *
+ * @param[in] items
+ * Pointer to rte_flow_item objects list.
+ * @param[out] buf
+ * Pointer to the output buffer.
+ * @param[out] size
+ * Pointer to the output buffer size.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
+ size_t *size, struct rte_flow_error *error)
+{
+ struct ether_hdr *eth = NULL;
+ struct vlan_hdr *vlan = NULL;
+ struct ipv4_hdr *ipv4 = NULL;
+ struct ipv6_hdr *ipv6 = NULL;
+ struct udp_hdr *udp = NULL;
+ struct vxlan_hdr *vxlan = NULL;
+ struct vxlan_gpe_hdr *vxlan_gpe = NULL;
+ struct gre_hdr *gre = NULL;
+ size_t len;
+ size_t temp_size = 0;
+
+ if (!items)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "invalid empty data");
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ len = flow_dv_get_item_len(items->type);
+ if (len + temp_size > MLX5_ENCAP_MAX_LEN)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "items total size is too big"
+ " for encap action");
+ rte_memcpy((void *)&buf[temp_size], items->spec, len);
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ eth = (struct ether_hdr *)&buf[temp_size];
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ vlan = (struct vlan_hdr *)&buf[temp_size];
+ if (!eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "eth header not found");
+ if (!eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_VLAN);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ ipv4 = (struct ipv4_hdr *)&buf[temp_size];
+ if (!vlan && !eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "neither eth nor vlan"
+ " header found");
+ if (vlan && !vlan->eth_proto)
+ vlan->eth_proto = RTE_BE16(ETHER_TYPE_IPv4);
+ else if (eth && !eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_IPv4);
+ if (!ipv4->version_ihl)
+ ipv4->version_ihl = MLX5_ENCAP_IPV4_VERSION |
+ MLX5_ENCAP_IPV4_IHL_MIN;
+ if (!ipv4->time_to_live)
+ ipv4->time_to_live = MLX5_ENCAP_IPV4_TTL_DEF;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ ipv6 = (struct ipv6_hdr *)&buf[temp_size];
+ if (!vlan && !eth)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "neither eth nor vlan"
+ " header found");
+ if (vlan && !vlan->eth_proto)
+ vlan->eth_proto = RTE_BE16(ETHER_TYPE_IPv6);
+ else if (eth && !eth->ether_type)
+ eth->ether_type = RTE_BE16(ETHER_TYPE_IPv6);
+ if (!ipv6->vtc_flow)
+ ipv6->vtc_flow =
+ RTE_BE32(MLX5_ENCAP_IPV6_VTC_FLOW);
+ if (!ipv6->hop_limits)
+ ipv6->hop_limits = MLX5_ENCAP_IPV6_HOP_LIMIT;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ udp = (struct udp_hdr *)&buf[temp_size];
+ if (!ipv4 && !ipv6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "ip header not found");
+ if (ipv4 && !ipv4->next_proto_id)
+ ipv4->next_proto_id = IPPROTO_UDP;
+ else if (ipv6 && !ipv6->proto)
+ ipv6->proto = IPPROTO_UDP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ vxlan = (struct vxlan_hdr *)&buf[temp_size];
+ if (!udp)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "udp header not found");
+ if (!udp->dst_port)
+ udp->dst_port = RTE_BE16(MLX5_UDP_PORT_VXLAN);
+ if (!vxlan->vx_flags)
+ vxlan->vx_flags =
+ RTE_BE32(MLX5_ENCAP_VXLAN_FLAGS);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ vxlan_gpe = (struct vxlan_gpe_hdr *)&buf[temp_size];
+ if (!udp)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "udp header not found");
+ if (!vxlan_gpe->proto)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "next protocol not found");
+ if (!udp->dst_port)
+ udp->dst_port =
+ RTE_BE16(MLX5_UDP_PORT_VXLAN_GPE);
+ if (!vxlan_gpe->vx_flags)
+ vxlan_gpe->vx_flags =
+ MLX5_ENCAP_VXLAN_GPE_FLAGS;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ gre = (struct gre_hdr *)&buf[temp_size];
+ if (!gre->proto)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "next protocol not found");
+ if (!ipv4 && !ipv6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "ip header not found");
+ if (ipv4 && !ipv4->next_proto_id)
+ ipv4->next_proto_id = IPPROTO_GRE;
+ else if (ipv6 && !ipv6->proto)
+ ipv6->proto = IPPROTO_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VOID:
+ break;
+ default:
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "unsupported item type");
+ break;
+ }
+ temp_size += len;
+ }
+ *size = temp_size;
+ return 0;
+}
+
+/**
+ * Convert L2 encap action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to action structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *encap_data;
+ const struct rte_flow_action_raw_encap *raw_encap_data;
+ struct mlx5_flow_dv_encap_decap_resource res = {
+ .reformat_type =
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,
+ .ft_type = MLX5DV_FLOW_TABLE_TYPE_NIC_TX,
+ };
+
+ if (action->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
+ raw_encap_data =
+ (const struct rte_flow_action_raw_encap *)action->conf;
+ res.size = raw_encap_data->size;
+ memcpy(res.buf, raw_encap_data->data, res.size);
+ } else {
+ if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
+ encap_data =
+ ((const struct rte_flow_action_vxlan_encap *)
+ action->conf)->definition;
+ else
+ encap_data =
+ ((const struct rte_flow_action_nvgre_encap *)
+ action->conf)->definition;
+ if (flow_dv_convert_encap_data(encap_data, res.buf,
+ &res.size, error))
+ return -rte_errno;
+ }
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create L2 encap action");
+ return 0;
+}
+
+/**
+ * Convert L2 decap action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_l2_decap(struct rte_eth_dev *dev,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct mlx5_flow_dv_encap_decap_resource res = {
+ .size = 0,
+ .reformat_type =
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2,
+ .ft_type = MLX5DV_FLOW_TABLE_TYPE_NIC_RX,
+ };
+
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create L2 decap action");
+ return 0;
+}
+
+/**
+ * Convert raw decap/encap (L3 tunnel) action to DV specification.
+ *
+ * @param[in] dev
+ * Pointer to rte_eth_dev structure.
+ * @param[in] action
+ * Pointer to action structure.
+ * @param[in, out] dev_flow
+ * Pointer to the mlx5_flow.
+ * @param[in] attr
+ * Pointer to the flow attributes.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_dv_create_action_raw_encap(struct rte_eth_dev *dev,
+ const struct rte_flow_action *action,
+ struct mlx5_flow *dev_flow,
+ const struct rte_flow_attr *attr,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action_raw_encap *encap_data;
+ struct mlx5_flow_dv_encap_decap_resource res;
+
+ encap_data = (const struct rte_flow_action_raw_encap *)action->conf;
+ res.size = encap_data->size;
+ memcpy(res.buf, encap_data->data, res.size);
+ res.reformat_type = attr->egress ?
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL :
+ MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
+ res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
+ MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
+ if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "can't create encap action");
+ return 0;
+}
+
+/**
* Verify the @p attributes will be correctly understood by the NIC and store
* them in the @p flow if everything is correct.
*
@@ -339,6 +947,49 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
action_flags |= MLX5_FLOW_ACTION_COUNT;
++actions_n;
break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
+ ret = flow_dv_validate_action_l2_encap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
+ MLX5_FLOW_ACTION_VXLAN_ENCAP :
+ MLX5_FLOW_ACTION_NVGRE_ENCAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
+ ret = flow_dv_validate_action_l2_decap(action_flags,
+ attr, error);
+ if (ret < 0)
+ return ret;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
+ MLX5_FLOW_ACTION_VXLAN_DECAP :
+ MLX5_FLOW_ACTION_NVGRE_DECAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
+ ret = flow_dv_validate_action_raw_encap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
+ ++actions_n;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
+ ret = flow_dv_validate_action_raw_decap(action_flags,
+ actions, attr,
+ error);
+ if (ret < 0)
+ return ret;
+ action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
+ ++actions_n;
+ break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
@@ -363,10 +1014,6 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] item_flags
- * Pointer to bit mask of all items detected.
- * @param[out] action_flags
- * Pointer to bit mask of all actions detected.
* @param[out] error
* Pointer to the error structure.
*
@@ -378,8 +1025,6 @@ static struct mlx5_flow *
flow_dv_prepare(const struct rte_flow_attr *attr __rte_unused,
const struct rte_flow_item items[] __rte_unused,
const struct rte_flow_action actions[] __rte_unused,
- uint64_t *item_flags __rte_unused,
- uint64_t *action_flags __rte_unused,
struct rte_flow_error *error)
{
uint32_t size = sizeof(struct mlx5_flow);
@@ -951,161 +1596,6 @@ flow_dv_translate_item_meta(void *matcher, void *key,
}
}
-/**
- * Update the matcher and the value based the selected item.
- *
- * @param[in, out] matcher
- * Flow matcher.
- * @param[in, out] key
- * Flow matcher value.
- * @param[in] item
- * Flow pattern to translate.
- * @param[in, out] dev_flow
- * Pointer to the mlx5_flow.
- * @param[in] inner
- * Item is inner pattern.
- */
-static void
-flow_dv_create_item(void *matcher, void *key,
- const struct rte_flow_item *item,
- struct mlx5_flow *dev_flow,
- int inner)
-{
- struct mlx5_flow_dv_matcher *tmatcher = matcher;
-
- switch (item->type) {
- case RTE_FLOW_ITEM_TYPE_ETH:
- flow_dv_translate_item_eth(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L2;
- break;
- case RTE_FLOW_ITEM_TYPE_VLAN:
- flow_dv_translate_item_vlan(tmatcher->mask.buf, key, item,
- inner);
- break;
- case RTE_FLOW_ITEM_TYPE_IPV4:
- flow_dv_translate_item_ipv4(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L3;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- MLX5_IPV4_LAYER_TYPES,
- MLX5_IPV4_IBV_RX_HASH);
- break;
- case RTE_FLOW_ITEM_TYPE_IPV6:
- flow_dv_translate_item_ipv6(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L3;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- MLX5_IPV6_LAYER_TYPES,
- MLX5_IPV6_IBV_RX_HASH);
- break;
- case RTE_FLOW_ITEM_TYPE_TCP:
- flow_dv_translate_item_tcp(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L4;
- dev_flow->dv.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- ETH_RSS_TCP,
- (IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP));
- break;
- case RTE_FLOW_ITEM_TYPE_UDP:
- flow_dv_translate_item_udp(tmatcher->mask.buf, key, item,
- inner);
- tmatcher->priority = MLX5_PRIORITY_MAP_L4;
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, inner,
- ETH_RSS_UDP,
- (IBV_RX_HASH_SRC_PORT_UDP |
- IBV_RX_HASH_DST_PORT_UDP));
- break;
- case RTE_FLOW_ITEM_TYPE_GRE:
- flow_dv_translate_item_gre(tmatcher->mask.buf, key, item,
- inner);
- break;
- case RTE_FLOW_ITEM_TYPE_NVGRE:
- flow_dv_translate_item_nvgre(tmatcher->mask.buf, key, item,
- inner);
- break;
- case RTE_FLOW_ITEM_TYPE_VXLAN:
- case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
- flow_dv_translate_item_vxlan(tmatcher->mask.buf, key, item,
- inner);
- break;
- case RTE_FLOW_ITEM_TYPE_META:
- flow_dv_translate_item_meta(tmatcher->mask.buf, key, item);
- break;
- default:
- break;
- }
-}
-
-/**
- * Store the requested actions in an array.
- *
- * @param[in] action
- * Flow action to translate.
- * @param[in, out] dev_flow
- * Pointer to the mlx5_flow.
- */
-static void
-flow_dv_create_action(const struct rte_flow_action *action,
- struct mlx5_flow *dev_flow)
-{
- const struct rte_flow_action_queue *queue;
- const struct rte_flow_action_rss *rss;
- int actions_n = dev_flow->dv.actions_n;
- struct rte_flow *flow = dev_flow->flow;
-
- switch (action->type) {
- case RTE_FLOW_ACTION_TYPE_VOID:
- break;
- case RTE_FLOW_ACTION_TYPE_FLAG:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_TAG;
- dev_flow->dv.actions[actions_n].tag_value =
- mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
- actions_n++;
- flow->actions |= MLX5_FLOW_ACTION_FLAG;
- break;
- case RTE_FLOW_ACTION_TYPE_MARK:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_TAG;
- dev_flow->dv.actions[actions_n].tag_value =
- mlx5_flow_mark_set
- (((const struct rte_flow_action_mark *)
- (action->conf))->id);
- flow->actions |= MLX5_FLOW_ACTION_MARK;
- actions_n++;
- break;
- case RTE_FLOW_ACTION_TYPE_DROP:
- dev_flow->dv.actions[actions_n].type = MLX5DV_FLOW_ACTION_DROP;
- flow->actions |= MLX5_FLOW_ACTION_DROP;
- break;
- case RTE_FLOW_ACTION_TYPE_QUEUE:
- queue = action->conf;
- flow->rss.queue_num = 1;
- (*flow->queue)[0] = queue->index;
- flow->actions |= MLX5_FLOW_ACTION_QUEUE;
- break;
- case RTE_FLOW_ACTION_TYPE_RSS:
- rss = action->conf;
- if (flow->queue)
- memcpy((*flow->queue), rss->queue,
- rss->queue_num * sizeof(uint16_t));
- flow->rss.queue_num = rss->queue_num;
- memcpy(flow->key, rss->key, MLX5_RSS_HASH_KEY_LEN);
- flow->rss.types = rss->types;
- flow->rss.level = rss->level;
- /* Added to array only in apply since we need the QP */
- flow->actions |= MLX5_FLOW_ACTION_RSS;
- break;
- default:
- break;
- }
- dev_flow->dv.actions_n = actions_n;
-}
-
static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
#define HEADER_IS_ZERO(match_criteria, headers) \
@@ -1203,10 +1693,12 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
cache_matcher->matcher_object =
mlx5_glue->dv_create_flow_matcher(priv->ctx, &dv_attr);
- if (!cache_matcher->matcher_object)
+ if (!cache_matcher->matcher_object) {
+ rte_free(cache_matcher);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create matcher");
+ }
rte_atomic32_inc(&cache_matcher->refcnt);
LIST_INSERT_HEAD(&priv->matchers, cache_matcher, next);
dev_flow->dv.matcher = cache_matcher;
@@ -1217,7 +1709,6 @@ flow_dv_matcher_register(struct rte_eth_dev *dev,
return 0;
}
-
/**
* Fill the flow with DV spec.
*
@@ -1242,37 +1733,264 @@ flow_dv_translate(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
- const struct rte_flow_action actions[] __rte_unused,
+ const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
struct priv *priv = dev->data->dev_private;
+ struct rte_flow *flow = dev_flow->flow;
+ uint64_t item_flags = 0;
+ uint64_t action_flags = 0;
uint64_t priority = attr->priority;
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
};
- void *match_value = dev_flow->dv.value.buf;
- int tunnel = 0;
+ int actions_n = 0;
if (priority == MLX5_FLOW_PRIO_RSVD)
priority = priv->config.flow_prio - 1;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
- tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
- flow_dv_create_item(&matcher, match_value, items, dev_flow,
- tunnel);
+ int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ void *match_mask = matcher.mask.buf;
+ void *match_value = dev_flow->dv.value.buf;
+
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ flow_dv_translate_item_eth(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ flow_dv_translate_item_vlan(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
+ MLX5_FLOW_LAYER_INNER_VLAN) :
+ (MLX5_FLOW_LAYER_OUTER_L2 |
+ MLX5_FLOW_LAYER_OUTER_VLAN);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ flow_dv_translate_item_ipv4(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV4_LAYER_TYPES,
+ MLX5_IPV4_IBV_RX_HASH);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ flow_dv_translate_item_ipv6(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV6_LAYER_TYPES,
+ MLX5_IPV6_IBV_RX_HASH);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ flow_dv_translate_item_tcp(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->dv.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_TCP,
+ IBV_RX_HASH_SRC_PORT_TCP |
+ IBV_RX_HASH_DST_PORT_TCP);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
+ MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ flow_dv_translate_item_udp(match_mask, match_value,
+ items, tunnel);
+ matcher.priority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->verbs.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_UDP,
+ IBV_RX_HASH_SRC_PORT_UDP |
+ IBV_RX_HASH_DST_PORT_UDP);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
+ MLX5_FLOW_LAYER_OUTER_L4_UDP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ flow_dv_translate_item_gre(match_mask, match_value,
+ items, tunnel);
+ item_flags |= MLX5_FLOW_LAYER_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ flow_dv_translate_item_nvgre(match_mask, match_value,
+ items, tunnel);
+ item_flags |= MLX5_FLOW_LAYER_GRE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ flow_dv_translate_item_vxlan(match_mask, match_value,
+ items, tunnel);
+ item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ flow_dv_translate_item_vxlan(match_mask, match_value,
+ items, tunnel);
+ item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
+ break;
+ case RTE_FLOW_ITEM_TYPE_META:
+ flow_dv_translate_item_meta(match_mask, match_value,
+ items);
+ item_flags |= MLX5_FLOW_ITEM_METADATA;
+ break;
+ default:
+ break;
+ }
}
+ dev_flow->layers = item_flags;
+ /* Register matcher. */
matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
- matcher.mask.size);
- if (priority == MLX5_FLOW_PRIO_RSVD)
- priority = priv->config.flow_prio - 1;
+ matcher.mask.size);
matcher.priority = mlx5_flow_adjust_priority(dev, priority,
matcher.priority);
matcher.egress = attr->egress;
if (flow_dv_matcher_register(dev, &matcher, dev_flow, error))
return -rte_errno;
- for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
- flow_dv_create_action(actions, dev_flow);
+ for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+ const struct rte_flow_action_queue *queue;
+ const struct rte_flow_action_rss *rss;
+ const struct rte_flow_action *action = actions;
+ const uint8_t *rss_key;
+
+ switch (actions->type) {
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ break;
+ case RTE_FLOW_ACTION_TYPE_FLAG:
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_TAG;
+ dev_flow->dv.actions[actions_n].tag_value =
+ mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
+ actions_n++;
+ action_flags |= MLX5_FLOW_ACTION_FLAG;
+ break;
+ case RTE_FLOW_ACTION_TYPE_MARK:
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_TAG;
+ dev_flow->dv.actions[actions_n].tag_value =
+ mlx5_flow_mark_set
+ (((const struct rte_flow_action_mark *)
+ (actions->conf))->id);
+ actions_n++;
+ action_flags |= MLX5_FLOW_ACTION_MARK;
+ break;
+ case RTE_FLOW_ACTION_TYPE_DROP:
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_DROP;
+ action_flags |= MLX5_FLOW_ACTION_DROP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_QUEUE:
+ queue = actions->conf;
+ flow->rss.queue_num = 1;
+ (*flow->queue)[0] = queue->index;
+ action_flags |= MLX5_FLOW_ACTION_QUEUE;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ rss = actions->conf;
+ if (flow->queue)
+ memcpy((*flow->queue), rss->queue,
+ rss->queue_num * sizeof(uint16_t));
+ flow->rss.queue_num = rss->queue_num;
+ /* NULL RSS key indicates default RSS key. */
+ rss_key = !rss->key ? rss_hash_default_key : rss->key;
+ memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+ /* RSS type 0 indicates default RSS type ETH_RSS_IP. */
+ flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
+ flow->rss.level = rss->level;
+ action_flags |= MLX5_FLOW_ACTION_RSS;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
+ if (flow_dv_create_action_l2_encap(dev, actions,
+ dev_flow, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+ dev_flow->dv.actions[actions_n].action =
+ dev_flow->dv.encap_decap->verbs_action;
+ actions_n++;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
+ MLX5_FLOW_ACTION_VXLAN_ENCAP :
+ MLX5_FLOW_ACTION_NVGRE_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
+ if (flow_dv_create_action_l2_decap(dev, dev_flow,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+ dev_flow->dv.actions[actions_n].action =
+ dev_flow->dv.encap_decap->verbs_action;
+ actions_n++;
+ action_flags |= actions->type ==
+ RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
+ MLX5_FLOW_ACTION_VXLAN_DECAP :
+ MLX5_FLOW_ACTION_NVGRE_DECAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
+ /* Handle encap with preceding decap. */
+ if (action_flags & MLX5_FLOW_ACTION_RAW_DECAP) {
+ if (flow_dv_create_action_raw_encap
+ (dev, actions, dev_flow, attr, error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+ dev_flow->dv.actions[actions_n].action =
+ dev_flow->dv.encap_decap->verbs_action;
+ } else {
+ /* Handle encap without preceding decap. */
+ if (flow_dv_create_action_l2_encap(dev, actions,
+ dev_flow,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+ dev_flow->dv.actions[actions_n].action =
+ dev_flow->dv.encap_decap->verbs_action;
+ }
+ actions_n++;
+ action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
+ /* Check if this decap is followed by encap. */
+ for (; action->type != RTE_FLOW_ACTION_TYPE_END &&
+ action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP;
+ action++) {
+ }
+ /* Handle decap only if it isn't followed by encap. */
+ if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
+ if (flow_dv_create_action_l2_decap(dev,
+ dev_flow,
+ error))
+ return -rte_errno;
+ dev_flow->dv.actions[actions_n].type =
+ MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+ dev_flow->dv.actions[actions_n].action =
+ dev_flow->dv.encap_decap->verbs_action;
+ actions_n++;
+ }
+ /* If decap is followed by encap, handle it at encap. */
+ action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
+ break;
+ default:
+ break;
+ }
+ }
+ dev_flow->dv.actions_n = actions_n;
+ flow->actions = action_flags;
return 0;
}
@@ -1403,6 +2121,37 @@ flow_dv_matcher_release(struct rte_eth_dev *dev,
}
/**
+ * Release an encap/decap resource.
+ *
+ * @param flow
+ * Pointer to mlx5_flow.
+ *
+ * @return
+ * 1 while a reference on it exists, 0 when freed.
+ */
+static int
+flow_dv_encap_decap_resource_release(struct mlx5_flow *flow)
+{
+ struct mlx5_flow_dv_encap_decap_resource *cache_resource =
+ flow->dv.encap_decap;
+
+ assert(cache_resource->verbs_action);
+ DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
+ (void *)cache_resource,
+ rte_atomic32_read(&cache_resource->refcnt));
+ if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
+ claim_zero(mlx5_glue->destroy_flow_action
+ (cache_resource->verbs_action));
+ LIST_REMOVE(cache_resource, next);
+ rte_free(cache_resource);
+ DRV_LOG(DEBUG, "encap/decap resource %p: removed",
+ (void *)cache_resource);
+ return 0;
+ }
+ return 1;
+}
+
+/**
* Remove the flow from the NIC but keeps it in memory.
*
* @param[in] dev
@@ -1457,6 +2206,8 @@ flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
LIST_REMOVE(dev_flow, next);
if (dev_flow->dv.matcher)
flow_dv_matcher_release(dev, dev_flow);
+ if (dev_flow->dv.encap_decap)
+ flow_dv_encap_decap_resource_release(dev_flow);
rte_free(dev_flow);
}
}
diff --git a/drivers/net/mlx5/mlx5_flow_tcf.c b/drivers/net/mlx5/mlx5_flow_tcf.c
index 719fb106..fb817b23 100644
--- a/drivers/net/mlx5/mlx5_flow_tcf.c
+++ b/drivers/net/mlx5/mlx5_flow_tcf.c
@@ -113,6 +113,39 @@ struct tc_pedit_sel {
#endif /* HAVE_TC_ACT_VLAN */
+#ifdef HAVE_TC_ACT_TUNNEL_KEY
+
+#include <linux/tc_act/tc_tunnel_key.h>
+
+#ifndef HAVE_TCA_TUNNEL_KEY_ENC_DST_PORT
+#define TCA_TUNNEL_KEY_ENC_DST_PORT 9
+#endif
+
+#ifndef HAVE_TCA_TUNNEL_KEY_NO_CSUM
+#define TCA_TUNNEL_KEY_NO_CSUM 10
+#endif
+
+#else /* HAVE_TC_ACT_TUNNEL_KEY */
+
+#define TCA_ACT_TUNNEL_KEY 17
+#define TCA_TUNNEL_KEY_ACT_SET 1
+#define TCA_TUNNEL_KEY_ACT_RELEASE 2
+#define TCA_TUNNEL_KEY_PARMS 2
+#define TCA_TUNNEL_KEY_ENC_IPV4_SRC 3
+#define TCA_TUNNEL_KEY_ENC_IPV4_DST 4
+#define TCA_TUNNEL_KEY_ENC_IPV6_SRC 5
+#define TCA_TUNNEL_KEY_ENC_IPV6_DST 6
+#define TCA_TUNNEL_KEY_ENC_KEY_ID 7
+#define TCA_TUNNEL_KEY_ENC_DST_PORT 9
+#define TCA_TUNNEL_KEY_NO_CSUM 10
+
+struct tc_tunnel_key {
+ tc_gen;
+ int t_action;
+};
+
+#endif /* HAVE_TC_ACT_TUNNEL_KEY */
+
/* Normally found in linux/netlink.h. */
#ifndef NETLINK_CAP_ACK
#define NETLINK_CAP_ACK 10
@@ -211,6 +244,45 @@ struct tc_pedit_sel {
#ifndef HAVE_TCA_FLOWER_KEY_VLAN_ETH_TYPE
#define TCA_FLOWER_KEY_VLAN_ETH_TYPE 25
#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_KEY_ID
+#define TCA_FLOWER_KEY_ENC_KEY_ID 26
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC
+#define TCA_FLOWER_KEY_ENC_IPV4_SRC 27
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK
+#define TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK 28
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST
+#define TCA_FLOWER_KEY_ENC_IPV4_DST 29
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV4_DST_MASK
+#define TCA_FLOWER_KEY_ENC_IPV4_DST_MASK 30
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC
+#define TCA_FLOWER_KEY_ENC_IPV6_SRC 31
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK
+#define TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK 32
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST
+#define TCA_FLOWER_KEY_ENC_IPV6_DST 33
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_IPV6_DST_MASK
+#define TCA_FLOWER_KEY_ENC_IPV6_DST_MASK 34
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT
+#define TCA_FLOWER_KEY_ENC_UDP_SRC_PORT 43
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK
+#define TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK 44
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT
+#define TCA_FLOWER_KEY_ENC_UDP_DST_PORT 45
+#endif
+#ifndef HAVE_TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK
+#define TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK 46
+#endif
#ifndef HAVE_TCA_FLOWER_KEY_TCP_FLAGS
#define TCA_FLOWER_KEY_TCP_FLAGS 71
#endif
@@ -241,6 +313,28 @@ struct tc_pedit_sel {
#define TCA_ACT_MAX_PRIO 32
#endif
+/** UDP port range of VXLAN devices created by driver. */
+#define MLX5_VXLAN_PORT_MIN 30000
+#define MLX5_VXLAN_PORT_MAX 60000
+#define MLX5_VXLAN_DEVICE_PFX "vmlx_"
+
+/** Tunnel action type, used for @p type in header structure. */
+enum flow_tcf_tunact_type {
+ FLOW_TCF_TUNACT_VXLAN_DECAP,
+ FLOW_TCF_TUNACT_VXLAN_ENCAP,
+};
+
+/** Flags used for @p mask in tunnel action encap descriptors. */
+#define FLOW_TCF_ENCAP_ETH_SRC (1u << 0)
+#define FLOW_TCF_ENCAP_ETH_DST (1u << 1)
+#define FLOW_TCF_ENCAP_IPV4_SRC (1u << 2)
+#define FLOW_TCF_ENCAP_IPV4_DST (1u << 3)
+#define FLOW_TCF_ENCAP_IPV6_SRC (1u << 4)
+#define FLOW_TCF_ENCAP_IPV6_DST (1u << 5)
+#define FLOW_TCF_ENCAP_UDP_SRC (1u << 6)
+#define FLOW_TCF_ENCAP_UDP_DST (1u << 7)
+#define FLOW_TCF_ENCAP_VXLAN_VNI (1u << 8)
+
/**
* Structure for holding netlink context.
* Note the size of the message buffer which is MNL_SOCKET_BUFFER_SIZE.
@@ -254,6 +348,100 @@ struct mlx5_flow_tcf_context {
uint8_t *buf; /* Message buffer. */
};
+/**
+ * Neigh rule structure. The neigh rule is applied via Netlink to
+ * outer tunnel iface in order to provide destination MAC address
+ * for the VXLAN encapsultion. The neigh rule is implicitly related
+ * to the Flow itself and can be shared by multiple Flows.
+ */
+struct tcf_neigh_rule {
+ LIST_ENTRY(tcf_neigh_rule) next;
+ uint32_t refcnt;
+ struct ether_addr eth;
+ uint16_t mask;
+ union {
+ struct {
+ rte_be32_t dst;
+ } ipv4;
+ struct {
+ uint8_t dst[IPV6_ADDR_LEN];
+ } ipv6;
+ };
+};
+
+/**
+ * Local rule structure. The local rule is applied via Netlink to
+ * outer tunnel iface in order to provide local and peer IP addresses
+ * of the VXLAN tunnel for encapsulation. The local rule is implicitly
+ * related to the Flow itself and can be shared by multiple Flows.
+ */
+struct tcf_local_rule {
+ LIST_ENTRY(tcf_local_rule) next;
+ uint32_t refcnt;
+ uint16_t mask;
+ union {
+ struct {
+ rte_be32_t dst;
+ rte_be32_t src;
+ } ipv4;
+ struct {
+ uint8_t dst[IPV6_ADDR_LEN];
+ uint8_t src[IPV6_ADDR_LEN];
+ } ipv6;
+ };
+};
+
+/** VXLAN virtual netdev. */
+struct tcf_vtep {
+ LIST_ENTRY(tcf_vtep) next;
+ LIST_HEAD(, tcf_neigh_rule) neigh;
+ LIST_HEAD(, tcf_local_rule) local;
+ uint32_t refcnt;
+ unsigned int ifindex; /**< Own interface index. */
+ unsigned int ifouter; /**< Index of device attached to. */
+ uint16_t port;
+ uint8_t created;
+};
+
+/** Tunnel descriptor header, common for all tunnel types. */
+struct flow_tcf_tunnel_hdr {
+ uint32_t type; /**< Tunnel action type. */
+ struct tcf_vtep *vtep; /**< Virtual tunnel endpoint device. */
+ unsigned int ifindex_org; /**< Original dst/src interface */
+ unsigned int *ifindex_ptr; /**< Interface ptr in message. */
+};
+
+struct flow_tcf_vxlan_decap {
+ struct flow_tcf_tunnel_hdr hdr;
+ uint16_t udp_port;
+};
+
+struct flow_tcf_vxlan_encap {
+ struct flow_tcf_tunnel_hdr hdr;
+ uint32_t mask;
+ struct {
+ struct ether_addr dst;
+ struct ether_addr src;
+ } eth;
+ union {
+ struct {
+ rte_be32_t dst;
+ rte_be32_t src;
+ } ipv4;
+ struct {
+ uint8_t dst[IPV6_ADDR_LEN];
+ uint8_t src[IPV6_ADDR_LEN];
+ } ipv6;
+ };
+struct {
+ rte_be16_t src;
+ rte_be16_t dst;
+ } udp;
+ struct {
+ uint8_t vni[3];
+ } vxlan;
+};
+
/** Structure used when extracting the values of a flow counters
* from a netlink message.
*/
@@ -271,6 +459,7 @@ static const union {
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_tcp tcp;
struct rte_flow_item_udp udp;
+ struct rte_flow_item_vxlan vxlan;
} flow_tcf_mask_empty;
/** Supported masks for known item types. */
@@ -282,6 +471,7 @@ static const struct {
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_tcp tcp;
struct rte_flow_item_udp udp;
+ struct rte_flow_item_vxlan vxlan;
} flow_tcf_mask_supported = {
.port_id = {
.id = 0xffffffff,
@@ -319,6 +509,9 @@ static const struct {
.src_port = RTE_BE16(0xffff),
.dst_port = RTE_BE16(0xffff),
},
+ .vxlan = {
+ .vni = "\xff\xff\xff",
+ },
};
#define SZ_NLATTR_HDR MNL_ALIGN(sizeof(struct nlattr))
@@ -337,7 +530,15 @@ struct flow_tcf_ptoi {
/* Due to a limitation on driver/FW. */
#define MLX5_TCF_GROUP_ID_MAX 3
-#define MLX5_TCF_GROUP_PRIORITY_MAX 14
+
+/*
+ * Due to a limitation on driver/FW, priority ranges from 1 to 16 in kernel.
+ * Priority in rte_flow attribute starts from 0 and is added by 1 in
+ * translation. This is subject to be changed to determine the max priority
+ * based on trial-and-error like Verbs driver once the restriction is lifted or
+ * the range is extended.
+ */
+#define MLX5_TCF_GROUP_PRIORITY_MAX 15
#define MLX5_TCF_FATE_ACTIONS \
(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_PORT_ID | \
@@ -347,6 +548,9 @@ struct flow_tcf_ptoi {
(MLX5_FLOW_ACTION_OF_POP_VLAN | MLX5_FLOW_ACTION_OF_PUSH_VLAN | \
MLX5_FLOW_ACTION_OF_SET_VLAN_VID | MLX5_FLOW_ACTION_OF_SET_VLAN_PCP)
+#define MLX5_TCF_VXLAN_ACTIONS \
+ (MLX5_FLOW_ACTION_VXLAN_ENCAP | MLX5_FLOW_ACTION_VXLAN_DECAP)
+
#define MLX5_TCF_PEDIT_ACTIONS \
(MLX5_FLOW_ACTION_SET_IPV4_SRC | MLX5_FLOW_ACTION_SET_IPV4_DST | \
MLX5_FLOW_ACTION_SET_IPV6_SRC | MLX5_FLOW_ACTION_SET_IPV6_DST | \
@@ -895,19 +1099,13 @@ flow_tcf_validate_attributes(const struct rte_flow_attr *attr,
"group ID larger than "
RTE_STR(MLX5_TCF_GROUP_ID_MAX)
" isn't supported");
- else if (attr->group > 0 &&
- attr->priority > MLX5_TCF_GROUP_PRIORITY_MAX)
+ else if (attr->priority > MLX5_TCF_GROUP_PRIORITY_MAX)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
attr,
- "lowest priority level is "
+ "priority more than "
RTE_STR(MLX5_TCF_GROUP_PRIORITY_MAX)
- " when group is configured");
- else if (attr->priority > 0xfffe)
- return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
- attr,
- "lowest priority level is 0xfffe");
+ " is not supported");
if (!attr->ingress)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
@@ -920,6 +1118,665 @@ flow_tcf_validate_attributes(const struct rte_flow_attr *attr,
}
/**
+ * Validate VXLAN_ENCAP action RTE_FLOW_ITEM_TYPE_ETH item for E-Switch.
+ * The routine checks the L2 fields to be used in encapsulation header.
+ *
+ * @param[in] item
+ * Pointer to the item structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap_eth(const struct rte_flow_item *item,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_eth *spec = item->spec;
+ const struct rte_flow_item_eth *mask = item->mask;
+
+ if (!spec) {
+ /*
+ * Specification for L2 addresses can be empty
+ * because these ones are optional and not
+ * required directly by tc rule. Kernel tries
+ * to resolve these ones on its own
+ */
+ return 0;
+ }
+ if (!mask) {
+ /* If mask is not specified use the default one. */
+ mask = &rte_flow_item_eth_mask;
+ }
+ if (memcmp(&mask->dst,
+ &flow_tcf_mask_empty.eth.dst,
+ sizeof(flow_tcf_mask_empty.eth.dst))) {
+ if (memcmp(&mask->dst,
+ &rte_flow_item_eth_mask.dst,
+ sizeof(rte_flow_item_eth_mask.dst)))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"eth.dst\" field");
+ }
+ if (memcmp(&mask->src,
+ &flow_tcf_mask_empty.eth.src,
+ sizeof(flow_tcf_mask_empty.eth.src))) {
+ if (memcmp(&mask->src,
+ &rte_flow_item_eth_mask.src,
+ sizeof(rte_flow_item_eth_mask.src)))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"eth.src\" field");
+ }
+ if (mask->type != RTE_BE16(0x0000)) {
+ if (mask->type != RTE_BE16(0xffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"eth.type\" field");
+ DRV_LOG(WARNING,
+ "outer ethernet type field"
+ " cannot be forced for vxlan"
+ " encapsulation, parameter ignored");
+ }
+ return 0;
+}
+
+/**
+ * Validate VXLAN_ENCAP action RTE_FLOW_ITEM_TYPE_IPV4 item for E-Switch.
+ * The routine checks the IPv4 fields to be used in encapsulation header.
+ *
+ * @param[in] item
+ * Pointer to the item structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap_ipv4(const struct rte_flow_item *item,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_ipv4 *spec = item->spec;
+ const struct rte_flow_item_ipv4 *mask = item->mask;
+
+ if (!spec) {
+ /*
+ * Specification for IP addresses cannot be empty
+ * because it is required by tunnel_key parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "NULL outer ipv4 address"
+ " specification for vxlan"
+ " encapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_ipv4_mask;
+ if (mask->hdr.dst_addr != RTE_BE32(0x00000000)) {
+ if (mask->hdr.dst_addr != RTE_BE32(0xffffffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv4.hdr.dst_addr\" field"
+ " for vxlan encapsulation");
+ /* More IPv4 address validations can be put here. */
+ } else {
+ /*
+ * Kernel uses the destination IP address to determine
+ * the routing path and obtain the MAC destination
+ * address, so IP destination address must be
+ * specified in the tc rule.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer ipv4 destination address"
+ " must be specified for"
+ " vxlan encapsulation");
+ }
+ if (mask->hdr.src_addr != RTE_BE32(0x00000000)) {
+ if (mask->hdr.src_addr != RTE_BE32(0xffffffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv4.hdr.src_addr\" field"
+ " for vxlan encapsulation");
+ /* More IPv4 address validations can be put here. */
+ } else {
+ /*
+ * Kernel uses the source IP address to select the
+ * interface for egress encapsulated traffic, so
+ * it must be specified in the tc rule.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer ipv4 source address"
+ " must be specified for"
+ " vxlan encapsulation");
+ }
+ return 0;
+}
+
+/**
+ * Validate VXLAN_ENCAP action RTE_FLOW_ITEM_TYPE_IPV6 item for E-Switch.
+ * The routine checks the IPv6 fields to be used in encapsulation header.
+ *
+ * @param[in] item
+ * Pointer to the item structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap_ipv6(const struct rte_flow_item *item,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_ipv6 *spec = item->spec;
+ const struct rte_flow_item_ipv6 *mask = item->mask;
+
+ if (!spec) {
+ /*
+ * Specification for IP addresses cannot be empty
+ * because it is required by tunnel_key parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "NULL outer ipv6 address"
+ " specification for"
+ " vxlan encapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_ipv6_mask;
+ if (memcmp(&mask->hdr.dst_addr,
+ &flow_tcf_mask_empty.ipv6.hdr.dst_addr,
+ IPV6_ADDR_LEN)) {
+ if (memcmp(&mask->hdr.dst_addr,
+ &rte_flow_item_ipv6_mask.hdr.dst_addr,
+ IPV6_ADDR_LEN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv6.hdr.dst_addr\" field"
+ " for vxlan encapsulation");
+ /* More IPv6 address validations can be put here. */
+ } else {
+ /*
+ * Kernel uses the destination IP address to determine
+ * the routing path and obtain the MAC destination
+ * address (heigh or gate), so IP destination address
+ * must be specified within the tc rule.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer ipv6 destination address"
+ " must be specified for"
+ " vxlan encapsulation");
+ }
+ if (memcmp(&mask->hdr.src_addr,
+ &flow_tcf_mask_empty.ipv6.hdr.src_addr,
+ IPV6_ADDR_LEN)) {
+ if (memcmp(&mask->hdr.src_addr,
+ &rte_flow_item_ipv6_mask.hdr.src_addr,
+ IPV6_ADDR_LEN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv6.hdr.src_addr\" field"
+ " for vxlan encapsulation");
+ /* More L3 address validation can be put here. */
+ } else {
+ /*
+ * Kernel uses the source IP address to select the
+ * interface for egress encapsulated traffic, so
+ * it must be specified in the tc rule.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer L3 source address"
+ " must be specified for"
+ " vxlan encapsulation");
+ }
+ return 0;
+}
+
+/**
+ * Validate VXLAN_ENCAP action RTE_FLOW_ITEM_TYPE_UDP item for E-Switch.
+ * The routine checks the UDP fields to be used in encapsulation header.
+ *
+ * @param[in] item
+ * Pointer to the item structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap_udp(const struct rte_flow_item *item,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_udp *spec = item->spec;
+ const struct rte_flow_item_udp *mask = item->mask;
+
+ if (!spec) {
+ /*
+ * Specification for UDP ports cannot be empty
+ * because it is required by tunnel_key parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "NULL UDP port specification "
+ " for vxlan encapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_udp_mask;
+ if (mask->hdr.dst_port != RTE_BE16(0x0000)) {
+ if (mask->hdr.dst_port != RTE_BE16(0xffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"udp.hdr.dst_port\" field"
+ " for vxlan encapsulation");
+ if (!spec->hdr.dst_port)
+ return rte_flow_error_set
+ (error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer UDP remote port cannot be"
+ " 0 for vxlan encapsulation");
+ } else {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer UDP remote port"
+ " must be specified for"
+ " vxlan encapsulation");
+ }
+ if (mask->hdr.src_port != RTE_BE16(0x0000)) {
+ if (mask->hdr.src_port != RTE_BE16(0xffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"udp.hdr.src_port\" field"
+ " for vxlan encapsulation");
+ DRV_LOG(WARNING,
+ "outer UDP source port cannot be"
+ " forced for vxlan encapsulation,"
+ " parameter ignored");
+ }
+ return 0;
+}
+
+/**
+ * Validate VXLAN_ENCAP action RTE_FLOW_ITEM_TYPE_VXLAN item for E-Switch.
+ * The routine checks the VNIP fields to be used in encapsulation header.
+ *
+ * @param[in] item
+ * Pointer to the item structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap_vni(const struct rte_flow_item *item,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_vxlan *spec = item->spec;
+ const struct rte_flow_item_vxlan *mask = item->mask;
+
+ if (!spec) {
+ /* Outer VNI is required by tunnel_key parameter. */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "NULL VNI specification"
+ " for vxlan encapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_vxlan_mask;
+ if (!mask->vni[0] && !mask->vni[1] && !mask->vni[2])
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "outer VNI must be specified "
+ "for vxlan encapsulation");
+ if (mask->vni[0] != 0xff ||
+ mask->vni[1] != 0xff ||
+ mask->vni[2] != 0xff)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"vxlan.vni\" field");
+
+ if (!spec->vni[0] && !spec->vni[1] && !spec->vni[2])
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "vxlan vni cannot be 0");
+ return 0;
+}
+
+/**
+ * Validate VXLAN_ENCAP action item list for E-Switch.
+ * The routine checks items to be used in encapsulation header.
+ *
+ * @param[in] action
+ * Pointer to the VXLAN_ENCAP action structure.
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_encap(const struct rte_flow_action *action,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *items;
+ int ret;
+ uint32_t item_flags = 0;
+
+ if (!action->conf)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "Missing vxlan tunnel"
+ " action configuration");
+ items = ((const struct rte_flow_action_vxlan_encap *)
+ action->conf)->definition;
+ if (!items)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "Missing vxlan tunnel"
+ " encapsulation parameters");
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_VOID:
+ break;
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ ret = mlx5_flow_validate_item_eth(items, item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ ret = flow_tcf_validate_vxlan_encap_eth(items, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_OUTER_L2;
+ break;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ ret = mlx5_flow_validate_item_ipv4(items, item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ ret = flow_tcf_validate_vxlan_encap_ipv4(items, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ ret = mlx5_flow_validate_item_ipv6(items, item_flags,
+ error);
+ if (ret < 0)
+ return ret;
+ ret = flow_tcf_validate_vxlan_encap_ipv6(items, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ ret = mlx5_flow_validate_item_udp(items, item_flags,
+ 0xFF, error);
+ if (ret < 0)
+ return ret;
+ ret = flow_tcf_validate_vxlan_encap_udp(items, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ ret = mlx5_flow_validate_item_vxlan(items,
+ item_flags, error);
+ if (ret < 0)
+ return ret;
+ ret = flow_tcf_validate_vxlan_encap_vni(items, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ break;
+ default:
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, items,
+ "vxlan encap item not supported");
+ }
+ }
+ if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "no outer IP layer found"
+ " for vxlan encapsulation");
+ if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "no outer UDP layer found"
+ " for vxlan encapsulation");
+ if (!(item_flags & MLX5_FLOW_LAYER_VXLAN))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "no VXLAN VNI found"
+ " for vxlan encapsulation");
+ return 0;
+}
+
+/**
+ * Validate RTE_FLOW_ITEM_TYPE_IPV4 item if VXLAN_DECAP action
+ * is present in actions list.
+ *
+ * @param[in] ipv4
+ * Outer IPv4 address item (if any, NULL otherwise).
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_decap_ipv4(const struct rte_flow_item *ipv4,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_ipv4 *spec = ipv4->spec;
+ const struct rte_flow_item_ipv4 *mask = ipv4->mask;
+
+ if (!spec) {
+ /*
+ * Specification for IP addresses cannot be empty
+ * because it is required as decap parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, ipv4,
+ "NULL outer ipv4 address"
+ " specification for vxlan"
+ " for vxlan decapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_ipv4_mask;
+ if (mask->hdr.dst_addr != RTE_BE32(0x00000000)) {
+ if (mask->hdr.dst_addr != RTE_BE32(0xffffffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv4.hdr.dst_addr\" field");
+ /* More IP address validations can be put here. */
+ } else {
+ /*
+ * Kernel uses the destination IP address
+ * to determine the ingress network interface
+ * for traffic being decapsulated.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, ipv4,
+ "outer ipv4 destination address"
+ " must be specified for"
+ " vxlan decapsulation");
+ }
+ /* Source IP address is optional for decap. */
+ if (mask->hdr.src_addr != RTE_BE32(0x00000000) &&
+ mask->hdr.src_addr != RTE_BE32(0xffffffff))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv4.hdr.src_addr\" field");
+ return 0;
+}
+
+/**
+ * Validate RTE_FLOW_ITEM_TYPE_IPV6 item if VXLAN_DECAP action
+ * is present in actions list.
+ *
+ * @param[in] ipv6
+ * Outer IPv6 address item (if any, NULL otherwise).
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_decap_ipv6(const struct rte_flow_item *ipv6,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_ipv6 *spec = ipv6->spec;
+ const struct rte_flow_item_ipv6 *mask = ipv6->mask;
+
+ if (!spec) {
+ /*
+ * Specification for IP addresses cannot be empty
+ * because it is required as decap parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, ipv6,
+ "NULL outer ipv6 address"
+ " specification for vxlan"
+ " decapsulation");
+ }
+ if (!mask)
+ mask = &rte_flow_item_ipv6_mask;
+ if (memcmp(&mask->hdr.dst_addr,
+ &flow_tcf_mask_empty.ipv6.hdr.dst_addr,
+ IPV6_ADDR_LEN)) {
+ if (memcmp(&mask->hdr.dst_addr,
+ &rte_flow_item_ipv6_mask.hdr.dst_addr,
+ IPV6_ADDR_LEN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv6.hdr.dst_addr\" field");
+ /* More IP address validations can be put here. */
+ } else {
+ /*
+ * Kernel uses the destination IP address
+ * to determine the ingress network interface
+ * for traffic being decapsulated.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, ipv6,
+ "outer ipv6 destination address must be "
+ "specified for vxlan decapsulation");
+ }
+ /* Source IP address is optional for decap. */
+ if (memcmp(&mask->hdr.src_addr,
+ &flow_tcf_mask_empty.ipv6.hdr.src_addr,
+ IPV6_ADDR_LEN)) {
+ if (memcmp(&mask->hdr.src_addr,
+ &rte_flow_item_ipv6_mask.hdr.src_addr,
+ IPV6_ADDR_LEN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"ipv6.hdr.src_addr\" field");
+ }
+ return 0;
+}
+
+/**
+ * Validate RTE_FLOW_ITEM_TYPE_UDP item if VXLAN_DECAP action
+ * is present in actions list.
+ *
+ * @param[in] udp
+ * Outer UDP layer item (if any, NULL otherwise).
+ * @param[out] error
+ * Pointer to the error structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_ernno is set.
+ **/
+static int
+flow_tcf_validate_vxlan_decap_udp(const struct rte_flow_item *udp,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_udp *spec = udp->spec;
+ const struct rte_flow_item_udp *mask = udp->mask;
+
+ if (!spec)
+ /*
+ * Specification for UDP ports cannot be empty
+ * because it is required as decap parameter.
+ */
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, udp,
+ "NULL UDP port specification"
+ " for VXLAN decapsulation");
+ if (!mask)
+ mask = &rte_flow_item_udp_mask;
+ if (mask->hdr.dst_port != RTE_BE16(0x0000)) {
+ if (mask->hdr.dst_port != RTE_BE16(0xffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"udp.hdr.dst_port\" field");
+ if (!spec->hdr.dst_port)
+ return rte_flow_error_set
+ (error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, udp,
+ "zero decap local UDP port");
+ } else {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, udp,
+ "outer UDP destination port must be "
+ "specified for vxlan decapsulation");
+ }
+ if (mask->hdr.src_port != RTE_BE16(0x0000)) {
+ if (mask->hdr.src_port != RTE_BE16(0xffff))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
+ "no support for partial mask on"
+ " \"udp.hdr.src_port\" field");
+ DRV_LOG(WARNING,
+ "outer UDP local port cannot be "
+ "forced for VXLAN encapsulation, "
+ "parameter ignored");
+ }
+ return 0;
+}
+
+/**
* Validate flow for E-Switch.
*
* @param[in] priv
@@ -951,6 +1808,7 @@ flow_tcf_validate(struct rte_eth_dev *dev,
const struct rte_flow_item_ipv6 *ipv6;
const struct rte_flow_item_tcp *tcp;
const struct rte_flow_item_udp *udp;
+ const struct rte_flow_item_vxlan *vxlan;
} spec, mask;
union {
const struct rte_flow_action_port_id *port_id;
@@ -960,6 +1818,7 @@ flow_tcf_validate(struct rte_eth_dev *dev,
of_set_vlan_vid;
const struct rte_flow_action_of_set_vlan_pcp *
of_set_vlan_pcp;
+ const struct rte_flow_action_vxlan_encap *vxlan_encap;
const struct rte_flow_action_set_ipv4 *set_ipv4;
const struct rte_flow_action_set_ipv6 *set_ipv6;
} conf;
@@ -978,9 +1837,170 @@ flow_tcf_validate(struct rte_eth_dev *dev,
ret = flow_tcf_validate_attributes(attr, error);
if (ret < 0)
return ret;
+ for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+ unsigned int i;
+ uint64_t current_action_flag = 0;
+
+ switch (actions->type) {
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ break;
+ case RTE_FLOW_ACTION_TYPE_PORT_ID:
+ current_action_flag = MLX5_FLOW_ACTION_PORT_ID;
+ if (!actions->conf)
+ break;
+ conf.port_id = actions->conf;
+ if (conf.port_id->original)
+ i = 0;
+ else
+ for (i = 0; ptoi[i].ifindex; ++i)
+ if (ptoi[i].port_id == conf.port_id->id)
+ break;
+ if (!ptoi[i].ifindex)
+ return rte_flow_error_set
+ (error, ENODEV,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ conf.port_id,
+ "missing data to convert port ID to"
+ " ifindex");
+ port_id_dev = &rte_eth_devices[conf.port_id->id];
+ break;
+ case RTE_FLOW_ACTION_TYPE_JUMP:
+ current_action_flag = MLX5_FLOW_ACTION_JUMP;
+ if (!actions->conf)
+ break;
+ conf.jump = actions->conf;
+ if (attr->group >= conf.jump->group)
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "can jump only to a group forward");
+ break;
+ case RTE_FLOW_ACTION_TYPE_DROP:
+ current_action_flag = MLX5_FLOW_ACTION_DROP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
+ current_action_flag = MLX5_FLOW_ACTION_OF_POP_VLAN;
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
+ current_action_flag = MLX5_FLOW_ACTION_OF_PUSH_VLAN;
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
+ if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, actions,
+ "vlan modify is not supported,"
+ " set action must follow push action");
+ current_action_flag = MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
+ break;
+ case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
+ if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
+ return rte_flow_error_set
+ (error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, actions,
+ "vlan modify is not supported,"
+ " set action must follow push action");
+ current_action_flag = MLX5_FLOW_ACTION_OF_SET_VLAN_PCP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ current_action_flag = MLX5_FLOW_ACTION_VXLAN_DECAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ ret = flow_tcf_validate_vxlan_encap(actions, error);
+ if (ret < 0)
+ return ret;
+ current_action_flag = MLX5_FLOW_ACTION_VXLAN_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
+ current_action_flag = MLX5_FLOW_ACTION_SET_IPV4_SRC;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
+ current_action_flag = MLX5_FLOW_ACTION_SET_IPV4_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
+ current_action_flag = MLX5_FLOW_ACTION_SET_IPV6_SRC;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
+ current_action_flag = MLX5_FLOW_ACTION_SET_IPV6_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
+ current_action_flag = MLX5_FLOW_ACTION_SET_TP_SRC;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
+ current_action_flag = MLX5_FLOW_ACTION_SET_TP_DST;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_TTL:
+ current_action_flag = MLX5_FLOW_ACTION_SET_TTL;
+ break;
+ case RTE_FLOW_ACTION_TYPE_DEC_TTL:
+ current_action_flag = MLX5_FLOW_ACTION_DEC_TTL;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
+ current_action_flag = MLX5_FLOW_ACTION_SET_MAC_SRC;
+ break;
+ case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
+ current_action_flag = MLX5_FLOW_ACTION_SET_MAC_DST;
+ break;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "action not supported");
+ }
+ if (current_action_flag & MLX5_TCF_CONFIG_ACTIONS) {
+ if (!actions->conf)
+ return rte_flow_error_set
+ (error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_CONF,
+ actions,
+ "action configuration not set");
+ }
+ if ((current_action_flag & MLX5_TCF_PEDIT_ACTIONS) &&
+ pedit_validated)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "set actions should be "
+ "listed successively");
+ if ((current_action_flag & ~MLX5_TCF_PEDIT_ACTIONS) &&
+ (action_flags & MLX5_TCF_PEDIT_ACTIONS))
+ pedit_validated = 1;
+ if ((current_action_flag & MLX5_TCF_FATE_ACTIONS) &&
+ (action_flags & MLX5_TCF_FATE_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "can't have multiple fate"
+ " actions");
+ if ((current_action_flag & MLX5_TCF_VXLAN_ACTIONS) &&
+ (action_flags & MLX5_TCF_VXLAN_ACTIONS))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "can't have multiple vxlan"
+ " actions");
+ if ((current_action_flag & MLX5_TCF_VXLAN_ACTIONS) &&
+ (action_flags & MLX5_TCF_VLAN_ACTIONS))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "can't have vxlan and vlan"
+ " actions in the same rule");
+ action_flags |= current_action_flag;
+ }
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
unsigned int i;
+ if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+ items->type != RTE_FLOW_ITEM_TYPE_ETH)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ items,
+ "only L2 inner item"
+ " is supported");
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
@@ -1034,7 +2054,9 @@ flow_tcf_validate(struct rte_eth_dev *dev,
error);
if (ret < 0)
return ret;
- item_flags |= MLX5_FLOW_LAYER_OUTER_L2;
+ item_flags |= (item_flags & MLX5_FLOW_LAYER_TUNNEL) ?
+ MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
/* TODO:
* Redundant check due to different supported mask.
* Same for the rest of items.
@@ -1112,6 +2134,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
next_protocol =
((const struct rte_flow_item_ipv4 *)
(items->spec))->hdr.next_proto_id;
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+ ret = flow_tcf_validate_vxlan_decap_ipv4
+ (items, error);
+ if (ret < 0)
+ return ret;
+ }
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
ret = mlx5_flow_validate_item_ipv6(items, item_flags,
@@ -1139,6 +2167,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
next_protocol =
((const struct rte_flow_item_ipv6 *)
(items->spec))->hdr.proto;
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+ ret = flow_tcf_validate_vxlan_decap_ipv6
+ (items, error);
+ if (ret < 0)
+ return ret;
+ }
break;
case RTE_FLOW_ITEM_TYPE_UDP:
ret = mlx5_flow_validate_item_udp(items, item_flags,
@@ -1154,6 +2188,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
error);
if (!mask.udp)
return -rte_errno;
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+ ret = flow_tcf_validate_vxlan_decap_udp
+ (items, error);
+ if (ret < 0)
+ return ret;
+ }
break;
case RTE_FLOW_ITEM_TYPE_TCP:
ret = mlx5_flow_validate_item_tcp
@@ -1173,141 +2213,41 @@ flow_tcf_validate(struct rte_eth_dev *dev,
if (!mask.tcp)
return -rte_errno;
break;
- default:
- return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM,
- NULL, "item not supported");
- }
- }
- for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
- unsigned int i;
- uint64_t current_action_flag = 0;
-
- switch (actions->type) {
- case RTE_FLOW_ACTION_TYPE_VOID:
- break;
- case RTE_FLOW_ACTION_TYPE_PORT_ID:
- current_action_flag = MLX5_FLOW_ACTION_PORT_ID;
- if (!actions->conf)
- break;
- conf.port_id = actions->conf;
- if (conf.port_id->original)
- i = 0;
- else
- for (i = 0; ptoi[i].ifindex; ++i)
- if (ptoi[i].port_id == conf.port_id->id)
- break;
- if (!ptoi[i].ifindex)
- return rte_flow_error_set
- (error, ENODEV,
- RTE_FLOW_ERROR_TYPE_ACTION_CONF,
- conf.port_id,
- "missing data to convert port ID to"
- " ifindex");
- port_id_dev = &rte_eth_devices[conf.port_id->id];
- break;
- case RTE_FLOW_ACTION_TYPE_JUMP:
- current_action_flag = MLX5_FLOW_ACTION_JUMP;
- if (!actions->conf)
- break;
- conf.jump = actions->conf;
- if (attr->group >= conf.jump->group)
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ if (!(action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP))
return rte_flow_error_set
(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "can jump only to a group forward");
- break;
- case RTE_FLOW_ACTION_TYPE_DROP:
- current_action_flag = MLX5_FLOW_ACTION_DROP;
- break;
- case RTE_FLOW_ACTION_TYPE_COUNT:
- break;
- case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
- current_action_flag = MLX5_FLOW_ACTION_OF_POP_VLAN;
- break;
- case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
- current_action_flag = MLX5_FLOW_ACTION_OF_PUSH_VLAN;
- break;
- case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
- if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
- return rte_flow_error_set
- (error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION, actions,
- "vlan modify is not supported,"
- " set action must follow push action");
- current_action_flag = MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
- break;
- case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
- if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ items,
+ "vni pattern should be followed by"
+ " vxlan decapsulation action");
+ ret = mlx5_flow_validate_item_vxlan(items,
+ item_flags, error);
+ if (ret < 0)
+ return ret;
+ item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ mask.vxlan = flow_tcf_item_mask
+ (items, &rte_flow_item_vxlan_mask,
+ &flow_tcf_mask_supported.vxlan,
+ &flow_tcf_mask_empty.vxlan,
+ sizeof(flow_tcf_mask_supported.vxlan), error);
+ if (!mask.vxlan)
+ return -rte_errno;
+ if (mask.vxlan->vni[0] != 0xff ||
+ mask.vxlan->vni[1] != 0xff ||
+ mask.vxlan->vni[2] != 0xff)
return rte_flow_error_set
(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION, actions,
- "vlan modify is not supported,"
- " set action must follow push action");
- current_action_flag = MLX5_FLOW_ACTION_OF_SET_VLAN_PCP;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
- current_action_flag = MLX5_FLOW_ACTION_SET_IPV4_SRC;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
- current_action_flag = MLX5_FLOW_ACTION_SET_IPV4_DST;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
- current_action_flag = MLX5_FLOW_ACTION_SET_IPV6_SRC;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
- current_action_flag = MLX5_FLOW_ACTION_SET_IPV6_DST;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
- current_action_flag = MLX5_FLOW_ACTION_SET_TP_SRC;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
- current_action_flag = MLX5_FLOW_ACTION_SET_TP_DST;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_TTL:
- current_action_flag = MLX5_FLOW_ACTION_SET_TTL;
- break;
- case RTE_FLOW_ACTION_TYPE_DEC_TTL:
- current_action_flag = MLX5_FLOW_ACTION_DEC_TTL;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
- current_action_flag = MLX5_FLOW_ACTION_SET_MAC_SRC;
- break;
- case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
- current_action_flag = MLX5_FLOW_ACTION_SET_MAC_DST;
+ RTE_FLOW_ERROR_TYPE_ITEM_MASK,
+ mask.vxlan,
+ "no support for partial or "
+ "empty mask on \"vxlan.vni\" field");
break;
default:
return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "action not supported");
- }
- if (current_action_flag & MLX5_TCF_CONFIG_ACTIONS) {
- if (!actions->conf)
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION_CONF,
- actions,
- "action configuration not set");
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ items, "item not supported");
}
- if ((current_action_flag & MLX5_TCF_PEDIT_ACTIONS) &&
- pedit_validated)
- return rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "set actions should be "
- "listed successively");
- if ((current_action_flag & ~MLX5_TCF_PEDIT_ACTIONS) &&
- (action_flags & MLX5_TCF_PEDIT_ACTIONS))
- pedit_validated = 1;
- if ((current_action_flag & MLX5_TCF_FATE_ACTIONS) &&
- (action_flags & MLX5_TCF_FATE_ACTIONS))
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "can't have multiple fate"
- " actions");
- action_flags |= current_action_flag;
}
if ((action_flags & MLX5_TCF_PEDIT_ACTIONS) &&
(action_flags & MLX5_FLOW_ACTION_DROP))
@@ -1375,6 +2315,12 @@ flow_tcf_validate(struct rte_eth_dev *dev,
RTE_FLOW_ERROR_TYPE_ACTION, actions,
"vlan actions are supported"
" only with port_id action");
+ if ((action_flags & MLX5_TCF_VXLAN_ACTIONS) &&
+ !(action_flags & MLX5_FLOW_ACTION_PORT_ID))
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "vxlan actions are supported"
+ " only with port_id action");
if (!(action_flags & MLX5_TCF_FATE_ACTIONS))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, actions,
@@ -1398,28 +2344,47 @@ flow_tcf_validate(struct rte_eth_dev *dev,
"no ethernet found in"
" pattern");
}
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+ if (!(item_flags &
+ (MLX5_FLOW_LAYER_OUTER_L3_IPV4 |
+ MLX5_FLOW_LAYER_OUTER_L3_IPV6)))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no outer IP pattern found"
+ " for vxlan decap action");
+ if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no outer UDP pattern found"
+ " for vxlan decap action");
+ if (!(item_flags & MLX5_FLOW_LAYER_VXLAN))
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL,
+ "no VNI pattern found"
+ " for vxlan decap action");
+ }
return 0;
}
/**
- * Calculate maximum size of memory for flow items of Linux TC flower and
- * extract specified items.
+ * Calculate maximum size of memory for flow items of Linux TC flower.
*
+ * @param[in] attr
+ * Pointer to the flow attributes.
* @param[in] items
* Pointer to the list of items.
- * @param[out] item_flags
- * Pointer to the detected items.
*
* @return
* Maximum size of memory for items.
*/
static int
-flow_tcf_get_items_and_size(const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- uint64_t *item_flags)
+flow_tcf_get_items_size(const struct rte_flow_attr *attr,
+ const struct rte_flow_item items[])
{
int size = 0;
- uint64_t flags = 0;
size += SZ_NLATTR_STRZ_OF("flower") +
SZ_NLATTR_NEST + /* TCA_OPTIONS. */
@@ -1436,7 +2401,6 @@ flow_tcf_get_items_and_size(const struct rte_flow_attr *attr,
size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
SZ_NLATTR_DATA_OF(ETHER_ADDR_LEN) * 4;
/* dst/src MAC addr and mask. */
- flags |= MLX5_FLOW_LAYER_OUTER_L2;
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
@@ -1444,33 +2408,31 @@ flow_tcf_get_items_and_size(const struct rte_flow_attr *attr,
/* VLAN Ether type. */
SZ_NLATTR_TYPE_OF(uint8_t) + /* VLAN prio. */
SZ_NLATTR_TYPE_OF(uint16_t); /* VLAN ID. */
- flags |= MLX5_FLOW_LAYER_OUTER_VLAN;
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
SZ_NLATTR_TYPE_OF(uint32_t) * 4;
/* dst/src IP addr and mask. */
- flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
- SZ_NLATTR_TYPE_OF(IPV6_ADDR_LEN) * 4;
+ SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN) * 4;
/* dst/src IP addr and mask. */
- flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
size += SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
SZ_NLATTR_TYPE_OF(uint16_t) * 4;
/* dst/src port and mask. */
- flags |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
case RTE_FLOW_ITEM_TYPE_TCP:
size += SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
SZ_NLATTR_TYPE_OF(uint16_t) * 4;
/* dst/src port and mask. */
- flags |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ size += SZ_NLATTR_TYPE_OF(uint32_t);
break;
default:
DRV_LOG(WARNING,
@@ -1480,7 +2442,69 @@ flow_tcf_get_items_and_size(const struct rte_flow_attr *attr,
break;
}
}
- *item_flags = flags;
+ return size;
+}
+
+/**
+ * Calculate size of memory to store the VXLAN encapsultion
+ * related items in the Netlink message buffer. Items list
+ * is specified by RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP action.
+ * The item list should be validated.
+ *
+ * @param[in] action
+ * RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP action object.
+ * List of pattern items to scan data from.
+ *
+ * @return
+ * The size the part of Netlink message buffer to store the
+ * VXLAN encapsulation item attributes.
+ */
+static int
+flow_tcf_vxlan_encap_size(const struct rte_flow_action *action)
+{
+ const struct rte_flow_item *items;
+ int size = 0;
+
+ assert(action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP);
+ assert(action->conf);
+
+ items = ((const struct rte_flow_action_vxlan_encap *)
+ action->conf)->definition;
+ assert(items);
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_VOID:
+ break;
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ /* This item does not require message buffer. */
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ size += SZ_NLATTR_DATA_OF(IPV4_ADDR_LEN) * 2;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ size += SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN) * 2;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP: {
+ const struct rte_flow_item_udp *udp = items->mask;
+
+ size += SZ_NLATTR_TYPE_OF(uint16_t);
+ if (!udp || udp->hdr.src_port != RTE_BE16(0x0000))
+ size += SZ_NLATTR_TYPE_OF(uint16_t);
+ break;
+ }
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ size += SZ_NLATTR_TYPE_OF(uint32_t);
+ break;
+ default:
+ assert(false);
+ DRV_LOG(WARNING,
+ "unsupported item %p type %d,"
+ " items must be validated"
+ " before flow creation",
+ (const void *)items, items->type);
+ return 0;
+ }
+ }
return size;
}
@@ -1553,6 +2577,29 @@ action_of_vlan:
SZ_NLATTR_TYPE_OF(uint16_t) + /* VLAN ID. */
SZ_NLATTR_TYPE_OF(uint8_t); /* VLAN prio. */
break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ size += SZ_NLATTR_NEST + /* na_act_index. */
+ SZ_NLATTR_STRZ_OF("tunnel_key") +
+ SZ_NLATTR_NEST + /* TCA_ACT_OPTIONS. */
+ SZ_NLATTR_TYPE_OF(uint8_t);
+ size += SZ_NLATTR_TYPE_OF(struct tc_tunnel_key);
+ size += flow_tcf_vxlan_encap_size(actions) +
+ RTE_ALIGN_CEIL /* preceding encap params. */
+ (sizeof(struct flow_tcf_vxlan_encap),
+ MNL_ALIGNTO);
+ flags |= MLX5_FLOW_ACTION_VXLAN_ENCAP;
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ size += SZ_NLATTR_NEST + /* na_act_index. */
+ SZ_NLATTR_STRZ_OF("tunnel_key") +
+ SZ_NLATTR_NEST + /* TCA_ACT_OPTIONS. */
+ SZ_NLATTR_TYPE_OF(uint8_t);
+ size += SZ_NLATTR_TYPE_OF(struct tc_tunnel_key);
+ size += RTE_ALIGN_CEIL /* preceding decap params. */
+ (sizeof(struct flow_tcf_vxlan_decap),
+ MNL_ALIGNTO);
+ flags |= MLX5_FLOW_ACTION_VXLAN_DECAP;
+ break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
@@ -1610,10 +2657,6 @@ flow_tcf_nl_brand(struct nlmsghdr *nlh, uint32_t handle)
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] item_flags
- * Pointer to bit mask of all items detected.
- * @param[out] action_flags
- * Pointer to bit mask of all actions detected.
* @param[out] error
* Pointer to the error structure.
*
@@ -1625,18 +2668,21 @@ static struct mlx5_flow *
flow_tcf_prepare(const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
- uint64_t *item_flags, uint64_t *action_flags,
struct rte_flow_error *error)
{
- size_t size = sizeof(struct mlx5_flow) +
+ size_t size = RTE_ALIGN_CEIL
+ (sizeof(struct mlx5_flow),
+ alignof(struct flow_tcf_tunnel_hdr)) +
MNL_ALIGN(sizeof(struct nlmsghdr)) +
MNL_ALIGN(sizeof(struct tcmsg));
struct mlx5_flow *dev_flow;
+ uint64_t action_flags = 0;
struct nlmsghdr *nlh;
struct tcmsg *tcm;
+ uint8_t *sp, *tun = NULL;
- size += flow_tcf_get_items_and_size(attr, items, item_flags);
- size += flow_tcf_get_actions_and_size(actions, action_flags);
+ size += flow_tcf_get_items_size(attr, items);
+ size += flow_tcf_get_actions_and_size(actions, &action_flags);
dev_flow = rte_zmalloc(__func__, size, MNL_ALIGNTO);
if (!dev_flow) {
rte_flow_error_set(error, ENOMEM,
@@ -1644,14 +2690,52 @@ flow_tcf_prepare(const struct rte_flow_attr *attr,
"not enough memory to create E-Switch flow");
return NULL;
}
- nlh = mnl_nlmsg_put_header((void *)(dev_flow + 1));
+ sp = (uint8_t *)(dev_flow + 1);
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP) {
+ sp = RTE_PTR_ALIGN
+ (sp, alignof(struct flow_tcf_tunnel_hdr));
+ tun = sp;
+ sp += RTE_ALIGN_CEIL
+ (sizeof(struct flow_tcf_vxlan_encap),
+ MNL_ALIGNTO);
+#ifndef NDEBUG
+ size -= RTE_ALIGN_CEIL
+ (sizeof(struct flow_tcf_vxlan_encap),
+ MNL_ALIGNTO);
+#endif
+ } else if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+ sp = RTE_PTR_ALIGN
+ (sp, alignof(struct flow_tcf_tunnel_hdr));
+ tun = sp;
+ sp += RTE_ALIGN_CEIL
+ (sizeof(struct flow_tcf_vxlan_decap),
+ MNL_ALIGNTO);
+#ifndef NDEBUG
+ size -= RTE_ALIGN_CEIL
+ (sizeof(struct flow_tcf_vxlan_decap),
+ MNL_ALIGNTO);
+#endif
+ } else {
+ sp = RTE_PTR_ALIGN(sp, MNL_ALIGNTO);
+ }
+ nlh = mnl_nlmsg_put_header(sp);
tcm = mnl_nlmsg_put_extra_header(nlh, sizeof(*tcm));
*dev_flow = (struct mlx5_flow){
.tcf = (struct mlx5_flow_tcf){
+#ifndef NDEBUG
+ .nlsize = size - RTE_ALIGN_CEIL
+ (sizeof(struct mlx5_flow),
+ alignof(struct flow_tcf_tunnel_hdr)),
+#endif
+ .tunnel = (struct flow_tcf_tunnel_hdr *)tun,
.nlh = nlh,
.tcm = tcm,
},
};
+ if (action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP)
+ dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_DECAP;
+ else if (action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP)
+ dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_ENCAP;
/*
* Generate a reasonably unique handle based on the address of the
* target buffer.
@@ -1702,6 +2786,241 @@ flow_tcf_translate_action_count(struct rte_eth_dev *dev __rte_unused,
}
/**
+ * Convert VXLAN VNI to 32-bit integer.
+ *
+ * @param[in] vni
+ * VXLAN VNI in 24-bit wire format.
+ *
+ * @return
+ * VXLAN VNI as a 32-bit integer value in network endian.
+ */
+static inline rte_be32_t
+vxlan_vni_as_be32(const uint8_t vni[3])
+{
+ union {
+ uint8_t vni[4];
+ rte_be32_t dword;
+ } ret = {
+ .vni = { 0, vni[0], vni[1], vni[2] },
+ };
+ return ret.dword;
+}
+
+/**
+ * Helper function to process RTE_FLOW_ITEM_TYPE_ETH entry in configuration
+ * of action RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. Fills the MAC address fields
+ * in the encapsulation parameters structure. The item must be prevalidated,
+ * no any validation checks performed by function.
+ *
+ * @param[in] spec
+ * RTE_FLOW_ITEM_TYPE_ETH entry specification.
+ * @param[in] mask
+ * RTE_FLOW_ITEM_TYPE_ETH entry mask.
+ * @param[out] encap
+ * Structure to fill the gathered MAC address data.
+ */
+static void
+flow_tcf_parse_vxlan_encap_eth(const struct rte_flow_item_eth *spec,
+ const struct rte_flow_item_eth *mask,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ /* Item must be validated before. No redundant checks. */
+ assert(spec);
+ if (!mask || !memcmp(&mask->dst,
+ &rte_flow_item_eth_mask.dst,
+ sizeof(rte_flow_item_eth_mask.dst))) {
+ /*
+ * Ethernet addresses are not supported by
+ * tc as tunnel_key parameters. Destination
+ * address is needed to form encap packet
+ * header and retrieved by kernel from
+ * implicit sources (ARP table, etc),
+ * address masks are not supported at all.
+ */
+ encap->eth.dst = spec->dst;
+ encap->mask |= FLOW_TCF_ENCAP_ETH_DST;
+ }
+ if (!mask || !memcmp(&mask->src,
+ &rte_flow_item_eth_mask.src,
+ sizeof(rte_flow_item_eth_mask.src))) {
+ /*
+ * Ethernet addresses are not supported by
+ * tc as tunnel_key parameters. Source ethernet
+ * address is ignored anyway.
+ */
+ encap->eth.src = spec->src;
+ encap->mask |= FLOW_TCF_ENCAP_ETH_SRC;
+ }
+}
+
+/**
+ * Helper function to process RTE_FLOW_ITEM_TYPE_IPV4 entry in configuration
+ * of action RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. Fills the IPV4 address fields
+ * in the encapsulation parameters structure. The item must be prevalidated,
+ * no any validation checks performed by function.
+ *
+ * @param[in] spec
+ * RTE_FLOW_ITEM_TYPE_IPV4 entry specification.
+ * @param[out] encap
+ * Structure to fill the gathered IPV4 address data.
+ */
+static void
+flow_tcf_parse_vxlan_encap_ipv4(const struct rte_flow_item_ipv4 *spec,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ /* Item must be validated before. No redundant checks. */
+ assert(spec);
+ encap->ipv4.dst = spec->hdr.dst_addr;
+ encap->ipv4.src = spec->hdr.src_addr;
+ encap->mask |= FLOW_TCF_ENCAP_IPV4_SRC |
+ FLOW_TCF_ENCAP_IPV4_DST;
+}
+
+/**
+ * Helper function to process RTE_FLOW_ITEM_TYPE_IPV6 entry in configuration
+ * of action RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. Fills the IPV6 address fields
+ * in the encapsulation parameters structure. The item must be prevalidated,
+ * no any validation checks performed by function.
+ *
+ * @param[in] spec
+ * RTE_FLOW_ITEM_TYPE_IPV6 entry specification.
+ * @param[out] encap
+ * Structure to fill the gathered IPV6 address data.
+ */
+static void
+flow_tcf_parse_vxlan_encap_ipv6(const struct rte_flow_item_ipv6 *spec,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ /* Item must be validated before. No redundant checks. */
+ assert(spec);
+ memcpy(encap->ipv6.dst, spec->hdr.dst_addr, IPV6_ADDR_LEN);
+ memcpy(encap->ipv6.src, spec->hdr.src_addr, IPV6_ADDR_LEN);
+ encap->mask |= FLOW_TCF_ENCAP_IPV6_SRC |
+ FLOW_TCF_ENCAP_IPV6_DST;
+}
+
+/**
+ * Helper function to process RTE_FLOW_ITEM_TYPE_UDP entry in configuration
+ * of action RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. Fills the UDP port fields
+ * in the encapsulation parameters structure. The item must be prevalidated,
+ * no any validation checks performed by function.
+ *
+ * @param[in] spec
+ * RTE_FLOW_ITEM_TYPE_UDP entry specification.
+ * @param[in] mask
+ * RTE_FLOW_ITEM_TYPE_UDP entry mask.
+ * @param[out] encap
+ * Structure to fill the gathered UDP port data.
+ */
+static void
+flow_tcf_parse_vxlan_encap_udp(const struct rte_flow_item_udp *spec,
+ const struct rte_flow_item_udp *mask,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ assert(spec);
+ encap->udp.dst = spec->hdr.dst_port;
+ encap->mask |= FLOW_TCF_ENCAP_UDP_DST;
+ if (!mask || mask->hdr.src_port != RTE_BE16(0x0000)) {
+ encap->udp.src = spec->hdr.src_port;
+ encap->mask |= FLOW_TCF_ENCAP_IPV4_SRC;
+ }
+}
+
+/**
+ * Helper function to process RTE_FLOW_ITEM_TYPE_VXLAN entry in configuration
+ * of action RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. Fills the VNI fields
+ * in the encapsulation parameters structure. The item must be prevalidated,
+ * no any validation checks performed by function.
+ *
+ * @param[in] spec
+ * RTE_FLOW_ITEM_TYPE_VXLAN entry specification.
+ * @param[out] encap
+ * Structure to fill the gathered VNI address data.
+ */
+static void
+flow_tcf_parse_vxlan_encap_vni(const struct rte_flow_item_vxlan *spec,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ /* Item must be validated before. Do not redundant checks. */
+ assert(spec);
+ memcpy(encap->vxlan.vni, spec->vni, sizeof(encap->vxlan.vni));
+ encap->mask |= FLOW_TCF_ENCAP_VXLAN_VNI;
+}
+
+/**
+ * Populate consolidated encapsulation object from list of pattern items.
+ *
+ * Helper function to process configuration of action such as
+ * RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP. The item list should be
+ * validated, there is no way to return an meaningful error.
+ *
+ * @param[in] action
+ * RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP action object.
+ * List of pattern items to gather data from.
+ * @param[out] src
+ * Structure to fill gathered data.
+ */
+static void
+flow_tcf_vxlan_encap_parse(const struct rte_flow_action *action,
+ struct flow_tcf_vxlan_encap *encap)
+{
+ union {
+ const struct rte_flow_item_eth *eth;
+ const struct rte_flow_item_ipv4 *ipv4;
+ const struct rte_flow_item_ipv6 *ipv6;
+ const struct rte_flow_item_udp *udp;
+ const struct rte_flow_item_vxlan *vxlan;
+ } spec, mask;
+ const struct rte_flow_item *items;
+
+ assert(action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP);
+ assert(action->conf);
+
+ items = ((const struct rte_flow_action_vxlan_encap *)
+ action->conf)->definition;
+ assert(items);
+ for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ switch (items->type) {
+ case RTE_FLOW_ITEM_TYPE_VOID:
+ break;
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ mask.eth = items->mask;
+ spec.eth = items->spec;
+ flow_tcf_parse_vxlan_encap_eth(spec.eth, mask.eth,
+ encap);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ spec.ipv4 = items->spec;
+ flow_tcf_parse_vxlan_encap_ipv4(spec.ipv4, encap);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ spec.ipv6 = items->spec;
+ flow_tcf_parse_vxlan_encap_ipv6(spec.ipv6, encap);
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ mask.udp = items->mask;
+ spec.udp = items->spec;
+ flow_tcf_parse_vxlan_encap_udp(spec.udp, mask.udp,
+ encap);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ spec.vxlan = items->spec;
+ flow_tcf_parse_vxlan_encap_vni(spec.vxlan, encap);
+ break;
+ default:
+ assert(false);
+ DRV_LOG(WARNING,
+ "unsupported item %p type %d,"
+ " items must be validated"
+ " before flow creation",
+ (const void *)items, items->type);
+ encap->mask = 0;
+ return;
+ }
+ }
+}
+
+/**
* Translate flow for Linux TC flower and construct Netlink message.
*
* @param[in] priv
@@ -1735,6 +3054,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
const struct rte_flow_item_ipv6 *ipv6;
const struct rte_flow_item_tcp *tcp;
const struct rte_flow_item_udp *udp;
+ const struct rte_flow_item_vxlan *vxlan;
} spec, mask;
union {
const struct rte_flow_action_port_id *port_id;
@@ -1745,6 +3065,18 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
const struct rte_flow_action_of_set_vlan_pcp *
of_set_vlan_pcp;
} conf;
+ union {
+ struct flow_tcf_tunnel_hdr *hdr;
+ struct flow_tcf_vxlan_decap *vxlan;
+ } decap = {
+ .hdr = NULL,
+ };
+ union {
+ struct flow_tcf_tunnel_hdr *hdr;
+ struct flow_tcf_vxlan_encap *vxlan;
+ } encap = {
+ .hdr = NULL,
+ };
struct flow_tcf_ptoi ptoi[PTOI_TABLE_SZ_MAX(dev)];
struct nlmsghdr *nlh = dev_flow->tcf.nlh;
struct tcmsg *tcm = dev_flow->tcf.tcm;
@@ -1762,6 +3094,20 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
claim_nonzero(flow_tcf_build_ptoi_table(dev, ptoi,
PTOI_TABLE_SZ_MAX(dev)));
+ if (dev_flow->tcf.tunnel) {
+ switch (dev_flow->tcf.tunnel->type) {
+ case FLOW_TCF_TUNACT_VXLAN_DECAP:
+ decap.vxlan = dev_flow->tcf.vxlan_decap;
+ break;
+ case FLOW_TCF_TUNACT_VXLAN_ENCAP:
+ encap.vxlan = dev_flow->tcf.vxlan_encap;
+ break;
+ /* New tunnel actions can be added here. */
+ default:
+ assert(false);
+ break;
+ }
+ }
nlh = dev_flow->tcf.nlh;
tcm = dev_flow->tcf.tcm;
/* Prepare API must have been called beforehand. */
@@ -1779,7 +3125,6 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
mnl_attr_put_u32(nlh, TCA_CHAIN, attr->group);
mnl_attr_put_strz(nlh, TCA_KIND, "flower");
na_flower = mnl_attr_nest_start(nlh, TCA_OPTIONS);
- mnl_attr_put_u32(nlh, TCA_FLOWER_FLAGS, TCA_CLS_FLAGS_SKIP_SW);
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
unsigned int i;
@@ -1807,7 +3152,9 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
tcm->tcm_ifindex = ptoi[i].ifindex;
break;
case RTE_FLOW_ITEM_TYPE_ETH:
- item_flags |= MLX5_FLOW_LAYER_OUTER_L2;
+ item_flags |= (item_flags & MLX5_FLOW_LAYER_VXLAN) ?
+ MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
mask.eth = flow_tcf_item_mask
(items, &rte_flow_item_eth_mask,
&flow_tcf_mask_supported.eth,
@@ -1818,6 +3165,14 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
if (mask.eth == &flow_tcf_mask_empty.eth)
break;
spec.eth = items->spec;
+ if (decap.vxlan &&
+ !(item_flags & MLX5_FLOW_LAYER_VXLAN)) {
+ DRV_LOG(WARNING,
+ "outer L2 addresses cannot be forced"
+ " for vxlan decapsulation, parameter"
+ " ignored");
+ break;
+ }
if (mask.eth->type) {
mnl_attr_put_u16(nlh, TCA_FLOWER_KEY_ETH_TYPE,
spec.eth->type);
@@ -1839,8 +3194,11 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
ETHER_ADDR_LEN,
mask.eth->src.addr_bytes);
}
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
+ assert(!encap.hdr);
+ assert(!decap.hdr);
item_flags |= MLX5_FLOW_LAYER_OUTER_VLAN;
mask.vlan = flow_tcf_item_mask
(items, &rte_flow_item_vlan_mask,
@@ -1872,6 +3230,7 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
rte_be_to_cpu_16
(spec.vlan->tci &
RTE_BE16(0x0fff)));
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV4;
@@ -1882,36 +3241,53 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
sizeof(flow_tcf_mask_supported.ipv4),
error);
assert(mask.ipv4);
- if (!eth_type_set || !vlan_eth_type_set)
- mnl_attr_put_u16(nlh,
+ spec.ipv4 = items->spec;
+ if (!decap.vxlan) {
+ if (!eth_type_set && !vlan_eth_type_set)
+ mnl_attr_put_u16
+ (nlh,
vlan_present ?
TCA_FLOWER_KEY_VLAN_ETH_TYPE :
TCA_FLOWER_KEY_ETH_TYPE,
RTE_BE16(ETH_P_IP));
- eth_type_set = 1;
- vlan_eth_type_set = 1;
- if (mask.ipv4 == &flow_tcf_mask_empty.ipv4)
- break;
- spec.ipv4 = items->spec;
- if (mask.ipv4->hdr.next_proto_id) {
- mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_IP_PROTO,
- spec.ipv4->hdr.next_proto_id);
- ip_proto_set = 1;
+ eth_type_set = 1;
+ vlan_eth_type_set = 1;
+ if (mask.ipv4 == &flow_tcf_mask_empty.ipv4)
+ break;
+ if (mask.ipv4->hdr.next_proto_id) {
+ mnl_attr_put_u8
+ (nlh, TCA_FLOWER_KEY_IP_PROTO,
+ spec.ipv4->hdr.next_proto_id);
+ ip_proto_set = 1;
+ }
+ } else {
+ assert(mask.ipv4 != &flow_tcf_mask_empty.ipv4);
}
if (mask.ipv4->hdr.src_addr) {
- mnl_attr_put_u32(nlh, TCA_FLOWER_KEY_IPV4_SRC,
- spec.ipv4->hdr.src_addr);
- mnl_attr_put_u32(nlh,
- TCA_FLOWER_KEY_IPV4_SRC_MASK,
- mask.ipv4->hdr.src_addr);
+ mnl_attr_put_u32
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV4_SRC :
+ TCA_FLOWER_KEY_IPV4_SRC,
+ spec.ipv4->hdr.src_addr);
+ mnl_attr_put_u32
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK :
+ TCA_FLOWER_KEY_IPV4_SRC_MASK,
+ mask.ipv4->hdr.src_addr);
}
if (mask.ipv4->hdr.dst_addr) {
- mnl_attr_put_u32(nlh, TCA_FLOWER_KEY_IPV4_DST,
- spec.ipv4->hdr.dst_addr);
- mnl_attr_put_u32(nlh,
- TCA_FLOWER_KEY_IPV4_DST_MASK,
- mask.ipv4->hdr.dst_addr);
+ mnl_attr_put_u32
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV4_DST :
+ TCA_FLOWER_KEY_IPV4_DST,
+ spec.ipv4->hdr.dst_addr);
+ mnl_attr_put_u32
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV4_DST_MASK :
+ TCA_FLOWER_KEY_IPV4_DST_MASK,
+ mask.ipv4->hdr.dst_addr);
}
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
item_flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
@@ -1922,38 +3298,54 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
sizeof(flow_tcf_mask_supported.ipv6),
error);
assert(mask.ipv6);
- if (!eth_type_set || !vlan_eth_type_set)
- mnl_attr_put_u16(nlh,
+ spec.ipv6 = items->spec;
+ if (!decap.vxlan) {
+ if (!eth_type_set || !vlan_eth_type_set) {
+ mnl_attr_put_u16
+ (nlh,
vlan_present ?
TCA_FLOWER_KEY_VLAN_ETH_TYPE :
TCA_FLOWER_KEY_ETH_TYPE,
RTE_BE16(ETH_P_IPV6));
- eth_type_set = 1;
- vlan_eth_type_set = 1;
- if (mask.ipv6 == &flow_tcf_mask_empty.ipv6)
- break;
- spec.ipv6 = items->spec;
- if (mask.ipv6->hdr.proto) {
- mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_IP_PROTO,
- spec.ipv6->hdr.proto);
- ip_proto_set = 1;
+ }
+ eth_type_set = 1;
+ vlan_eth_type_set = 1;
+ if (mask.ipv6 == &flow_tcf_mask_empty.ipv6)
+ break;
+ if (mask.ipv6->hdr.proto) {
+ mnl_attr_put_u8
+ (nlh, TCA_FLOWER_KEY_IP_PROTO,
+ spec.ipv6->hdr.proto);
+ ip_proto_set = 1;
+ }
+ } else {
+ assert(mask.ipv6 != &flow_tcf_mask_empty.ipv6);
}
if (!IN6_IS_ADDR_UNSPECIFIED(mask.ipv6->hdr.src_addr)) {
- mnl_attr_put(nlh, TCA_FLOWER_KEY_IPV6_SRC,
- sizeof(spec.ipv6->hdr.src_addr),
+ mnl_attr_put(nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV6_SRC :
+ TCA_FLOWER_KEY_IPV6_SRC,
+ IPV6_ADDR_LEN,
spec.ipv6->hdr.src_addr);
- mnl_attr_put(nlh, TCA_FLOWER_KEY_IPV6_SRC_MASK,
- sizeof(mask.ipv6->hdr.src_addr),
+ mnl_attr_put(nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK :
+ TCA_FLOWER_KEY_IPV6_SRC_MASK,
+ IPV6_ADDR_LEN,
mask.ipv6->hdr.src_addr);
}
if (!IN6_IS_ADDR_UNSPECIFIED(mask.ipv6->hdr.dst_addr)) {
- mnl_attr_put(nlh, TCA_FLOWER_KEY_IPV6_DST,
- sizeof(spec.ipv6->hdr.dst_addr),
+ mnl_attr_put(nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV6_DST :
+ TCA_FLOWER_KEY_IPV6_DST,
+ IPV6_ADDR_LEN,
spec.ipv6->hdr.dst_addr);
- mnl_attr_put(nlh, TCA_FLOWER_KEY_IPV6_DST_MASK,
- sizeof(mask.ipv6->hdr.dst_addr),
+ mnl_attr_put(nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_IPV6_DST_MASK :
+ TCA_FLOWER_KEY_IPV6_DST_MASK,
+ IPV6_ADDR_LEN,
mask.ipv6->hdr.dst_addr);
}
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
case RTE_FLOW_ITEM_TYPE_UDP:
item_flags |= MLX5_FLOW_LAYER_OUTER_L4_UDP;
@@ -1964,26 +3356,45 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
sizeof(flow_tcf_mask_supported.udp),
error);
assert(mask.udp);
- if (!ip_proto_set)
- mnl_attr_put_u8(nlh, TCA_FLOWER_KEY_IP_PROTO,
- IPPROTO_UDP);
- if (mask.udp == &flow_tcf_mask_empty.udp)
- break;
spec.udp = items->spec;
+ if (!decap.vxlan) {
+ if (!ip_proto_set)
+ mnl_attr_put_u8
+ (nlh, TCA_FLOWER_KEY_IP_PROTO,
+ IPPROTO_UDP);
+ if (mask.udp == &flow_tcf_mask_empty.udp)
+ break;
+ } else {
+ assert(mask.udp != &flow_tcf_mask_empty.udp);
+ decap.vxlan->udp_port =
+ rte_be_to_cpu_16
+ (spec.udp->hdr.dst_port);
+ }
if (mask.udp->hdr.src_port) {
- mnl_attr_put_u16(nlh, TCA_FLOWER_KEY_UDP_SRC,
- spec.udp->hdr.src_port);
- mnl_attr_put_u16(nlh,
- TCA_FLOWER_KEY_UDP_SRC_MASK,
- mask.udp->hdr.src_port);
+ mnl_attr_put_u16
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_UDP_SRC_PORT :
+ TCA_FLOWER_KEY_UDP_SRC,
+ spec.udp->hdr.src_port);
+ mnl_attr_put_u16
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK :
+ TCA_FLOWER_KEY_UDP_SRC_MASK,
+ mask.udp->hdr.src_port);
}
if (mask.udp->hdr.dst_port) {
- mnl_attr_put_u16(nlh, TCA_FLOWER_KEY_UDP_DST,
- spec.udp->hdr.dst_port);
- mnl_attr_put_u16(nlh,
- TCA_FLOWER_KEY_UDP_DST_MASK,
- mask.udp->hdr.dst_port);
+ mnl_attr_put_u16
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_UDP_DST_PORT :
+ TCA_FLOWER_KEY_UDP_DST,
+ spec.udp->hdr.dst_port);
+ mnl_attr_put_u16
+ (nlh, decap.vxlan ?
+ TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK :
+ TCA_FLOWER_KEY_UDP_DST_MASK,
+ mask.udp->hdr.dst_port);
}
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
case RTE_FLOW_ITEM_TYPE_TCP:
item_flags |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
@@ -2026,6 +3437,16 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
rte_cpu_to_be_16
(mask.tcp->hdr.tcp_flags));
}
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ assert(decap.vxlan);
+ item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ spec.vxlan = items->spec;
+ mnl_attr_put_u32(nlh,
+ TCA_FLOWER_KEY_ENC_KEY_ID,
+ vxlan_vni_as_be32(spec.vxlan->vni));
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
break;
default:
return rte_flow_error_set(error, ENOTSUP,
@@ -2059,6 +3480,14 @@ flow_tcf_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
mnl_attr_put_strz(nlh, TCA_ACT_KIND, "mirred");
na_act = mnl_attr_nest_start(nlh, TCA_ACT_OPTIONS);
assert(na_act);
+ if (encap.hdr) {
+ assert(dev_flow->tcf.tunnel);
+ dev_flow->tcf.tunnel->ifindex_ptr =
+ &((struct tc_mirred *)
+ mnl_attr_get_payload
+ (mnl_nlmsg_get_payload_tail
+ (nlh)))->ifindex;
+ }
mnl_attr_put(nlh, TCA_MIRRED_PARMS,
sizeof(struct tc_mirred),
&(struct tc_mirred){
@@ -2176,6 +3605,74 @@ override_na_vlan_priority:
conf.of_set_vlan_pcp->vlan_pcp;
}
break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+ assert(decap.vxlan);
+ assert(dev_flow->tcf.tunnel);
+ dev_flow->tcf.tunnel->ifindex_ptr =
+ (unsigned int *)&tcm->tcm_ifindex;
+ na_act_index =
+ mnl_attr_nest_start(nlh, na_act_index_cur++);
+ assert(na_act_index);
+ mnl_attr_put_strz(nlh, TCA_ACT_KIND, "tunnel_key");
+ na_act = mnl_attr_nest_start(nlh, TCA_ACT_OPTIONS);
+ assert(na_act);
+ mnl_attr_put(nlh, TCA_TUNNEL_KEY_PARMS,
+ sizeof(struct tc_tunnel_key),
+ &(struct tc_tunnel_key){
+ .action = TC_ACT_PIPE,
+ .t_action = TCA_TUNNEL_KEY_ACT_RELEASE,
+ });
+ mnl_attr_nest_end(nlh, na_act);
+ mnl_attr_nest_end(nlh, na_act_index);
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+ break;
+ case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+ assert(encap.vxlan);
+ flow_tcf_vxlan_encap_parse(actions, encap.vxlan);
+ na_act_index =
+ mnl_attr_nest_start(nlh, na_act_index_cur++);
+ assert(na_act_index);
+ mnl_attr_put_strz(nlh, TCA_ACT_KIND, "tunnel_key");
+ na_act = mnl_attr_nest_start(nlh, TCA_ACT_OPTIONS);
+ assert(na_act);
+ mnl_attr_put(nlh, TCA_TUNNEL_KEY_PARMS,
+ sizeof(struct tc_tunnel_key),
+ &(struct tc_tunnel_key){
+ .action = TC_ACT_PIPE,
+ .t_action = TCA_TUNNEL_KEY_ACT_SET,
+ });
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_UDP_DST)
+ mnl_attr_put_u16(nlh,
+ TCA_TUNNEL_KEY_ENC_DST_PORT,
+ encap.vxlan->udp.dst);
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_IPV4_SRC)
+ mnl_attr_put_u32(nlh,
+ TCA_TUNNEL_KEY_ENC_IPV4_SRC,
+ encap.vxlan->ipv4.src);
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_IPV4_DST)
+ mnl_attr_put_u32(nlh,
+ TCA_TUNNEL_KEY_ENC_IPV4_DST,
+ encap.vxlan->ipv4.dst);
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_IPV6_SRC)
+ mnl_attr_put(nlh,
+ TCA_TUNNEL_KEY_ENC_IPV6_SRC,
+ sizeof(encap.vxlan->ipv6.src),
+ &encap.vxlan->ipv6.src);
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_IPV6_DST)
+ mnl_attr_put(nlh,
+ TCA_TUNNEL_KEY_ENC_IPV6_DST,
+ sizeof(encap.vxlan->ipv6.dst),
+ &encap.vxlan->ipv6.dst);
+ if (encap.vxlan->mask & FLOW_TCF_ENCAP_VXLAN_VNI)
+ mnl_attr_put_u32(nlh,
+ TCA_TUNNEL_KEY_ENC_KEY_ID,
+ vxlan_vni_as_be32
+ (encap.vxlan->vxlan.vni));
+ mnl_attr_put_u8(nlh, TCA_TUNNEL_KEY_NO_CSUM, 0);
+ mnl_attr_nest_end(nlh, na_act);
+ mnl_attr_nest_end(nlh, na_act_index);
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
+ break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
@@ -2202,47 +3699,1381 @@ override_na_vlan_priority:
assert(na_flower);
assert(na_flower_act);
mnl_attr_nest_end(nlh, na_flower_act);
+ mnl_attr_put_u32(nlh, TCA_FLOWER_FLAGS, decap.vxlan ?
+ 0 : TCA_CLS_FLAGS_SKIP_SW);
mnl_attr_nest_end(nlh, na_flower);
+ if (dev_flow->tcf.tunnel && dev_flow->tcf.tunnel->ifindex_ptr)
+ dev_flow->tcf.tunnel->ifindex_org =
+ *dev_flow->tcf.tunnel->ifindex_ptr;
+ assert(dev_flow->tcf.nlsize >= nlh->nlmsg_len);
return 0;
}
/**
* Send Netlink message with acknowledgment.
*
- * @param ctx
+ * @param tcf
* Flow context to use.
* @param nlh
* Message to send. This function always raises the NLM_F_ACK flag before
* sending.
+ * @param[in] msglen
+ * Message length. Message buffer may contain multiple commands and
+ * nlmsg_len field not always corresponds to actual message length.
+ * If 0 specified the nlmsg_len field in header is used as message length.
+ * @param[in] cb
+ * Callback handler for received message.
+ * @param[in] arg
+ * Context pointer for callback handler.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-flow_tcf_nl_ack(struct mlx5_flow_tcf_context *ctx, struct nlmsghdr *nlh)
+flow_tcf_nl_ack(struct mlx5_flow_tcf_context *tcf,
+ struct nlmsghdr *nlh,
+ uint32_t msglen,
+ mnl_cb_t cb, void *arg)
{
- alignas(struct nlmsghdr)
- uint8_t ans[mnl_nlmsg_size(sizeof(struct nlmsgerr)) +
- nlh->nlmsg_len - sizeof(*nlh)];
- uint32_t seq = ctx->seq++;
- struct mnl_socket *nl = ctx->nl;
- int ret;
+ unsigned int portid = mnl_socket_get_portid(tcf->nl);
+ uint32_t seq = tcf->seq++;
+ int err, ret;
- nlh->nlmsg_flags |= NLM_F_ACK;
+ assert(tcf->nl);
+ assert(tcf->buf);
+ if (!seq)
+ /* seq 0 is reserved for kernel event-driven notifications. */
+ seq = tcf->seq++;
nlh->nlmsg_seq = seq;
- ret = mnl_socket_sendto(nl, nlh, nlh->nlmsg_len);
- if (ret != -1)
- ret = mnl_socket_recvfrom(nl, ans, sizeof(ans));
- if (ret != -1)
- ret = mnl_cb_run
- (ans, ret, seq, mnl_socket_get_portid(nl), NULL, NULL);
+ if (!msglen) {
+ msglen = nlh->nlmsg_len;
+ nlh->nlmsg_flags |= NLM_F_ACK;
+ }
+ ret = mnl_socket_sendto(tcf->nl, nlh, msglen);
+ err = (ret <= 0) ? errno : 0;
+ nlh = (struct nlmsghdr *)(tcf->buf);
+ /*
+ * The following loop postpones non-fatal errors until multipart
+ * messages are complete.
+ */
if (ret > 0)
+ while (true) {
+ ret = mnl_socket_recvfrom(tcf->nl, tcf->buf,
+ tcf->buf_size);
+ if (ret < 0) {
+ err = errno;
+ if (err != ENOSPC)
+ break;
+ }
+ if (!err) {
+ ret = mnl_cb_run(nlh, ret, seq, portid,
+ cb, arg);
+ if (ret < 0) {
+ err = errno;
+ break;
+ }
+ }
+ /* Will receive till end of multipart message */
+ if (!(nlh->nlmsg_flags & NLM_F_MULTI) ||
+ nlh->nlmsg_type == NLMSG_DONE)
+ break;
+ }
+ if (!err)
return 0;
- rte_errno = errno;
- return -rte_errno;
+ rte_errno = err;
+ return -err;
+}
+
+#define MNL_BUF_EXTRA_SPACE 16
+#define MNL_REQUEST_SIZE_MIN 256
+#define MNL_REQUEST_SIZE_MAX 2048
+#define MNL_REQUEST_SIZE RTE_MIN(RTE_MAX(sysconf(_SC_PAGESIZE), \
+ MNL_REQUEST_SIZE_MIN), MNL_REQUEST_SIZE_MAX)
+
+/* Data structures used by flow_tcf_xxx_cb() routines. */
+struct tcf_nlcb_buf {
+ LIST_ENTRY(tcf_nlcb_buf) next;
+ uint32_t size;
+ alignas(struct nlmsghdr)
+ uint8_t msg[]; /**< Netlink message data. */
+};
+
+struct tcf_nlcb_context {
+ unsigned int ifindex; /**< Base interface index. */
+ uint32_t bufsize;
+ LIST_HEAD(, tcf_nlcb_buf) nlbuf;
+};
+
+/**
+ * Allocate space for netlink command in buffer list
+ *
+ * @param[in, out] ctx
+ * Pointer to callback context with command buffers list.
+ * @param[in] size
+ * Required size of data buffer to be allocated.
+ *
+ * @return
+ * Pointer to allocated memory, aligned as message header.
+ * NULL if some error occurred.
+ */
+static struct nlmsghdr *
+flow_tcf_alloc_nlcmd(struct tcf_nlcb_context *ctx, uint32_t size)
+{
+ struct tcf_nlcb_buf *buf;
+ struct nlmsghdr *nlh;
+
+ size = NLMSG_ALIGN(size);
+ buf = LIST_FIRST(&ctx->nlbuf);
+ if (buf && (buf->size + size) <= ctx->bufsize) {
+ nlh = (struct nlmsghdr *)&buf->msg[buf->size];
+ buf->size += size;
+ return nlh;
+ }
+ if (size > ctx->bufsize) {
+ DRV_LOG(WARNING, "netlink: too long command buffer requested");
+ return NULL;
+ }
+ buf = rte_malloc(__func__,
+ ctx->bufsize + sizeof(struct tcf_nlcb_buf),
+ alignof(struct tcf_nlcb_buf));
+ if (!buf) {
+ DRV_LOG(WARNING, "netlink: no memory for command buffer");
+ return NULL;
+ }
+ LIST_INSERT_HEAD(&ctx->nlbuf, buf, next);
+ buf->size = size;
+ nlh = (struct nlmsghdr *)&buf->msg[0];
+ return nlh;
+}
+
+/**
+ * Set NLM_F_ACK flags in the last netlink command in buffer.
+ * Only last command in the buffer will be acked by system.
+ *
+ * @param[in, out] buf
+ * Pointer to buffer with netlink commands.
+ */
+static void
+flow_tcf_setack_nlcmd(struct tcf_nlcb_buf *buf)
+{
+ struct nlmsghdr *nlh;
+ uint32_t size = 0;
+
+ assert(buf->size);
+ do {
+ nlh = (struct nlmsghdr *)&buf->msg[size];
+ size += NLMSG_ALIGN(nlh->nlmsg_len);
+ if (size >= buf->size) {
+ nlh->nlmsg_flags |= NLM_F_ACK;
+ break;
+ }
+ } while (true);
+}
+
+/**
+ * Send the buffers with prepared netlink commands. Scans the list and
+ * sends all found buffers. Buffers are sent and freed anyway in order
+ * to prevent memory leakage if some every message in received packet.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in, out] ctx
+ * Pointer to callback context with command buffers list.
+ *
+ * @return
+ * Zero value on success, negative errno value otherwise
+ * and rte_errno is set.
+ */
+static int
+flow_tcf_send_nlcmd(struct mlx5_flow_tcf_context *tcf,
+ struct tcf_nlcb_context *ctx)
+{
+ struct tcf_nlcb_buf *bc, *bn;
+ struct nlmsghdr *nlh;
+ int ret = 0;
+
+ bc = LIST_FIRST(&ctx->nlbuf);
+ while (bc) {
+ int rc;
+
+ bn = LIST_NEXT(bc, next);
+ if (bc->size) {
+ flow_tcf_setack_nlcmd(bc);
+ nlh = (struct nlmsghdr *)&bc->msg;
+ rc = flow_tcf_nl_ack(tcf, nlh, bc->size, NULL, NULL);
+ if (rc && !ret)
+ ret = rc;
+ }
+ rte_free(bc);
+ bc = bn;
+ }
+ LIST_INIT(&ctx->nlbuf);
+ return ret;
+}
+
+/**
+ * Collect local IP address rules with scope link attribute on specified
+ * network device. This is callback routine called by libmnl mnl_cb_run()
+ * in loop for every message in received packet.
+ *
+ * @param[in] nlh
+ * Pointer to reply header.
+ * @param[in, out] arg
+ * Opaque data pointer for this callback.
+ *
+ * @return
+ * A positive, nonzero value on success, negative errno value otherwise
+ * and rte_errno is set.
+ */
+static int
+flow_tcf_collect_local_cb(const struct nlmsghdr *nlh, void *arg)
+{
+ struct tcf_nlcb_context *ctx = arg;
+ struct nlmsghdr *cmd;
+ struct ifaddrmsg *ifa;
+ struct nlattr *na;
+ struct nlattr *na_local = NULL;
+ struct nlattr *na_peer = NULL;
+ unsigned char family;
+
+ if (nlh->nlmsg_type != RTM_NEWADDR) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ ifa = mnl_nlmsg_get_payload(nlh);
+ family = ifa->ifa_family;
+ if (ifa->ifa_index != ctx->ifindex ||
+ ifa->ifa_scope != RT_SCOPE_LINK ||
+ !(ifa->ifa_flags & IFA_F_PERMANENT) ||
+ (family != AF_INET && family != AF_INET6))
+ return 1;
+ mnl_attr_for_each(na, nlh, sizeof(*ifa)) {
+ switch (mnl_attr_get_type(na)) {
+ case IFA_LOCAL:
+ na_local = na;
+ break;
+ case IFA_ADDRESS:
+ na_peer = na;
+ break;
+ }
+ if (na_local && na_peer)
+ break;
+ }
+ if (!na_local || !na_peer)
+ return 1;
+ /* Local rule found with scope link, permanent and assigned peer. */
+ cmd = flow_tcf_alloc_nlcmd(ctx, MNL_ALIGN(sizeof(struct nlmsghdr)) +
+ MNL_ALIGN(sizeof(struct ifaddrmsg)) +
+ (family == AF_INET6
+ ? 2 * SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN)
+ : 2 * SZ_NLATTR_TYPE_OF(uint32_t)));
+ if (!cmd) {
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ cmd = mnl_nlmsg_put_header(cmd);
+ cmd->nlmsg_type = RTM_DELADDR;
+ cmd->nlmsg_flags = NLM_F_REQUEST;
+ ifa = mnl_nlmsg_put_extra_header(cmd, sizeof(*ifa));
+ ifa->ifa_flags = IFA_F_PERMANENT;
+ ifa->ifa_scope = RT_SCOPE_LINK;
+ ifa->ifa_index = ctx->ifindex;
+ if (family == AF_INET) {
+ ifa->ifa_family = AF_INET;
+ ifa->ifa_prefixlen = 32;
+ mnl_attr_put_u32(cmd, IFA_LOCAL, mnl_attr_get_u32(na_local));
+ mnl_attr_put_u32(cmd, IFA_ADDRESS, mnl_attr_get_u32(na_peer));
+ } else {
+ ifa->ifa_family = AF_INET6;
+ ifa->ifa_prefixlen = 128;
+ mnl_attr_put(cmd, IFA_LOCAL, IPV6_ADDR_LEN,
+ mnl_attr_get_payload(na_local));
+ mnl_attr_put(cmd, IFA_ADDRESS, IPV6_ADDR_LEN,
+ mnl_attr_get_payload(na_peer));
+ }
+ return 1;
+}
+
+/**
+ * Cleanup the local IP addresses on outer interface.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifindex
+ * Network inferface index to perform cleanup.
+ */
+static void
+flow_tcf_encap_local_cleanup(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifindex)
+{
+ struct nlmsghdr *nlh;
+ struct ifaddrmsg *ifa;
+ struct tcf_nlcb_context ctx = {
+ .ifindex = ifindex,
+ .bufsize = MNL_REQUEST_SIZE,
+ .nlbuf = LIST_HEAD_INITIALIZER(),
+ };
+ int ret;
+
+ assert(ifindex);
+ /*
+ * Seek and destroy leftovers of local IP addresses with
+ * matching properties "scope link".
+ */
+ nlh = mnl_nlmsg_put_header(tcf->buf);
+ nlh->nlmsg_type = RTM_GETADDR;
+ nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ ifa = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifa));
+ ifa->ifa_family = AF_UNSPEC;
+ ifa->ifa_index = ifindex;
+ ifa->ifa_scope = RT_SCOPE_LINK;
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_local_cb, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: query device list error %d", ret);
+ ret = flow_tcf_send_nlcmd(tcf, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: device delete error %d", ret);
+}
+
+/**
+ * Collect neigh permament rules on specified network device.
+ * This is callback routine called by libmnl mnl_cb_run() in loop for
+ * every message in received packet.
+ *
+ * @param[in] nlh
+ * Pointer to reply header.
+ * @param[in, out] arg
+ * Opaque data pointer for this callback.
+ *
+ * @return
+ * A positive, nonzero value on success, negative errno value otherwise
+ * and rte_errno is set.
+ */
+static int
+flow_tcf_collect_neigh_cb(const struct nlmsghdr *nlh, void *arg)
+{
+ struct tcf_nlcb_context *ctx = arg;
+ struct nlmsghdr *cmd;
+ struct ndmsg *ndm;
+ struct nlattr *na;
+ struct nlattr *na_ip = NULL;
+ struct nlattr *na_mac = NULL;
+ unsigned char family;
+
+ if (nlh->nlmsg_type != RTM_NEWNEIGH) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ ndm = mnl_nlmsg_get_payload(nlh);
+ family = ndm->ndm_family;
+ if (ndm->ndm_ifindex != (int)ctx->ifindex ||
+ !(ndm->ndm_state & NUD_PERMANENT) ||
+ (family != AF_INET && family != AF_INET6))
+ return 1;
+ mnl_attr_for_each(na, nlh, sizeof(*ndm)) {
+ switch (mnl_attr_get_type(na)) {
+ case NDA_DST:
+ na_ip = na;
+ break;
+ case NDA_LLADDR:
+ na_mac = na;
+ break;
+ }
+ if (na_mac && na_ip)
+ break;
+ }
+ if (!na_mac || !na_ip)
+ return 1;
+ /* Neigh rule with permenent attribute found. */
+ cmd = flow_tcf_alloc_nlcmd(ctx, MNL_ALIGN(sizeof(struct nlmsghdr)) +
+ MNL_ALIGN(sizeof(struct ndmsg)) +
+ SZ_NLATTR_DATA_OF(ETHER_ADDR_LEN) +
+ (family == AF_INET6
+ ? SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN)
+ : SZ_NLATTR_TYPE_OF(uint32_t)));
+ if (!cmd) {
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ cmd = mnl_nlmsg_put_header(cmd);
+ cmd->nlmsg_type = RTM_DELNEIGH;
+ cmd->nlmsg_flags = NLM_F_REQUEST;
+ ndm = mnl_nlmsg_put_extra_header(cmd, sizeof(*ndm));
+ ndm->ndm_ifindex = ctx->ifindex;
+ ndm->ndm_state = NUD_PERMANENT;
+ ndm->ndm_flags = 0;
+ ndm->ndm_type = 0;
+ if (family == AF_INET) {
+ ndm->ndm_family = AF_INET;
+ mnl_attr_put_u32(cmd, NDA_DST, mnl_attr_get_u32(na_ip));
+ } else {
+ ndm->ndm_family = AF_INET6;
+ mnl_attr_put(cmd, NDA_DST, IPV6_ADDR_LEN,
+ mnl_attr_get_payload(na_ip));
+ }
+ mnl_attr_put(cmd, NDA_LLADDR, ETHER_ADDR_LEN,
+ mnl_attr_get_payload(na_mac));
+ return 1;
+}
+
+/**
+ * Cleanup the neigh rules on outer interface.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifindex
+ * Network inferface index to perform cleanup.
+ */
+static void
+flow_tcf_encap_neigh_cleanup(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifindex)
+{
+ struct nlmsghdr *nlh;
+ struct ndmsg *ndm;
+ struct tcf_nlcb_context ctx = {
+ .ifindex = ifindex,
+ .bufsize = MNL_REQUEST_SIZE,
+ .nlbuf = LIST_HEAD_INITIALIZER(),
+ };
+ int ret;
+
+ assert(ifindex);
+ /* Seek and destroy leftovers of neigh rules. */
+ nlh = mnl_nlmsg_put_header(tcf->buf);
+ nlh->nlmsg_type = RTM_GETNEIGH;
+ nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ ndm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ndm));
+ ndm->ndm_family = AF_UNSPEC;
+ ndm->ndm_ifindex = ifindex;
+ ndm->ndm_state = NUD_PERMANENT;
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_neigh_cb, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: query device list error %d", ret);
+ ret = flow_tcf_send_nlcmd(tcf, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: device delete error %d", ret);
+}
+
+/**
+ * Collect indices of VXLAN encap/decap interfaces associated with device.
+ * This is callback routine called by libmnl mnl_cb_run() in loop for
+ * every message in received packet.
+ *
+ * @param[in] nlh
+ * Pointer to reply header.
+ * @param[in, out] arg
+ * Opaque data pointer for this callback.
+ *
+ * @return
+ * A positive, nonzero value on success, negative errno value otherwise
+ * and rte_errno is set.
+ */
+static int
+flow_tcf_collect_vxlan_cb(const struct nlmsghdr *nlh, void *arg)
+{
+ struct tcf_nlcb_context *ctx = arg;
+ struct nlmsghdr *cmd;
+ struct ifinfomsg *ifm;
+ struct nlattr *na;
+ struct nlattr *na_info = NULL;
+ struct nlattr *na_vxlan = NULL;
+ bool found = false;
+ unsigned int vxindex;
+
+ if (nlh->nlmsg_type != RTM_NEWLINK) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ ifm = mnl_nlmsg_get_payload(nlh);
+ if (!ifm->ifi_index) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ mnl_attr_for_each(na, nlh, sizeof(*ifm))
+ if (mnl_attr_get_type(na) == IFLA_LINKINFO) {
+ na_info = na;
+ break;
+ }
+ if (!na_info)
+ return 1;
+ mnl_attr_for_each_nested(na, na_info) {
+ switch (mnl_attr_get_type(na)) {
+ case IFLA_INFO_KIND:
+ if (!strncmp("vxlan", mnl_attr_get_str(na),
+ mnl_attr_get_len(na)))
+ found = true;
+ break;
+ case IFLA_INFO_DATA:
+ na_vxlan = na;
+ break;
+ }
+ if (found && na_vxlan)
+ break;
+ }
+ if (!found || !na_vxlan)
+ return 1;
+ found = false;
+ mnl_attr_for_each_nested(na, na_vxlan) {
+ if (mnl_attr_get_type(na) == IFLA_VXLAN_LINK &&
+ mnl_attr_get_u32(na) == ctx->ifindex) {
+ found = true;
+ break;
+ }
+ }
+ if (!found)
+ return 1;
+ /* Attached VXLAN device found, store the command to delete. */
+ vxindex = ifm->ifi_index;
+ cmd = flow_tcf_alloc_nlcmd(ctx, MNL_ALIGN(sizeof(struct nlmsghdr)) +
+ MNL_ALIGN(sizeof(struct ifinfomsg)));
+ if (!nlh) {
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ cmd = mnl_nlmsg_put_header(cmd);
+ cmd->nlmsg_type = RTM_DELLINK;
+ cmd->nlmsg_flags = NLM_F_REQUEST;
+ ifm = mnl_nlmsg_put_extra_header(cmd, sizeof(*ifm));
+ ifm->ifi_family = AF_UNSPEC;
+ ifm->ifi_index = vxindex;
+ return 1;
+}
+
+/**
+ * Cleanup the outer interface. Removes all found vxlan devices
+ * attached to specified index, flushes the meigh and local IP
+ * datavase.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifindex
+ * Network inferface index to perform cleanup.
+ */
+static void
+flow_tcf_encap_iface_cleanup(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifindex)
+{
+ struct nlmsghdr *nlh;
+ struct ifinfomsg *ifm;
+ struct tcf_nlcb_context ctx = {
+ .ifindex = ifindex,
+ .bufsize = MNL_REQUEST_SIZE,
+ .nlbuf = LIST_HEAD_INITIALIZER(),
+ };
+ int ret;
+
+ assert(ifindex);
+ /*
+ * Seek and destroy leftover VXLAN encap/decap interfaces with
+ * matching properties.
+ */
+ nlh = mnl_nlmsg_put_header(tcf->buf);
+ nlh->nlmsg_type = RTM_GETLINK;
+ nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
+ ifm->ifi_family = AF_UNSPEC;
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, flow_tcf_collect_vxlan_cb, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: query device list error %d", ret);
+ ret = flow_tcf_send_nlcmd(tcf, &ctx);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: device delete error %d", ret);
+}
+
+/**
+ * Emit Netlink message to add/remove local address to the outer device.
+ * The address being added is visible within the link only (scope link).
+ *
+ * Note that an implicit route is maintained by the kernel due to the
+ * presence of a peer address (IFA_ADDRESS).
+ *
+ * These rules are used for encapsultion only and allow to assign
+ * the outer tunnel source IP address.
+ *
+ * @param[in] tcf
+ * Libmnl socket context object.
+ * @param[in] encap
+ * Encapsulation properties (source address and its peer).
+ * @param[in] ifindex
+ * Network interface to apply rule.
+ * @param[in] enable
+ * Toggle between add and remove.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_tcf_rule_local(struct mlx5_flow_tcf_context *tcf,
+ const struct flow_tcf_vxlan_encap *encap,
+ unsigned int ifindex,
+ bool enable,
+ struct rte_flow_error *error)
+{
+ struct nlmsghdr *nlh;
+ struct ifaddrmsg *ifa;
+ alignas(struct nlmsghdr)
+ uint8_t buf[mnl_nlmsg_size(sizeof(*ifa) + 128)];
+
+ nlh = mnl_nlmsg_put_header(buf);
+ nlh->nlmsg_type = enable ? RTM_NEWADDR : RTM_DELADDR;
+ nlh->nlmsg_flags =
+ NLM_F_REQUEST | (enable ? NLM_F_CREATE | NLM_F_REPLACE : 0);
+ nlh->nlmsg_seq = 0;
+ ifa = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifa));
+ ifa->ifa_flags = IFA_F_PERMANENT;
+ ifa->ifa_scope = RT_SCOPE_LINK;
+ ifa->ifa_index = ifindex;
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_SRC) {
+ ifa->ifa_family = AF_INET;
+ ifa->ifa_prefixlen = 32;
+ mnl_attr_put_u32(nlh, IFA_LOCAL, encap->ipv4.src);
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_DST)
+ mnl_attr_put_u32(nlh, IFA_ADDRESS,
+ encap->ipv4.dst);
+ } else {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_SRC);
+ ifa->ifa_family = AF_INET6;
+ ifa->ifa_prefixlen = 128;
+ mnl_attr_put(nlh, IFA_LOCAL,
+ sizeof(encap->ipv6.src),
+ &encap->ipv6.src);
+ if (encap->mask & FLOW_TCF_ENCAP_IPV6_DST)
+ mnl_attr_put(nlh, IFA_ADDRESS,
+ sizeof(encap->ipv6.dst),
+ &encap->ipv6.dst);
+ }
+ if (!flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL))
+ return 0;
+ return rte_flow_error_set(error, rte_errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "netlink: cannot complete IFA request"
+ " (ip addr add)");
+}
+
+/**
+ * Emit Netlink message to add/remove neighbor.
+ *
+ * @param[in] tcf
+ * Libmnl socket context object.
+ * @param[in] encap
+ * Encapsulation properties (destination address).
+ * @param[in] ifindex
+ * Network interface.
+ * @param[in] enable
+ * Toggle between add and remove.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_tcf_rule_neigh(struct mlx5_flow_tcf_context *tcf,
+ const struct flow_tcf_vxlan_encap *encap,
+ unsigned int ifindex,
+ bool enable,
+ struct rte_flow_error *error)
+{
+ struct nlmsghdr *nlh;
+ struct ndmsg *ndm;
+ alignas(struct nlmsghdr)
+ uint8_t buf[mnl_nlmsg_size(sizeof(*ndm) + 128)];
+
+ nlh = mnl_nlmsg_put_header(buf);
+ nlh->nlmsg_type = enable ? RTM_NEWNEIGH : RTM_DELNEIGH;
+ nlh->nlmsg_flags =
+ NLM_F_REQUEST | (enable ? NLM_F_CREATE | NLM_F_REPLACE : 0);
+ nlh->nlmsg_seq = 0;
+ ndm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ndm));
+ ndm->ndm_ifindex = ifindex;
+ ndm->ndm_state = NUD_PERMANENT;
+ ndm->ndm_flags = 0;
+ ndm->ndm_type = 0;
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_DST) {
+ ndm->ndm_family = AF_INET;
+ mnl_attr_put_u32(nlh, NDA_DST, encap->ipv4.dst);
+ } else {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_DST);
+ ndm->ndm_family = AF_INET6;
+ mnl_attr_put(nlh, NDA_DST, sizeof(encap->ipv6.dst),
+ &encap->ipv6.dst);
+ }
+ if (encap->mask & FLOW_TCF_ENCAP_ETH_SRC && enable)
+ DRV_LOG(WARNING,
+ "outer ethernet source address cannot be "
+ "forced for VXLAN encapsulation");
+ if (encap->mask & FLOW_TCF_ENCAP_ETH_DST)
+ mnl_attr_put(nlh, NDA_LLADDR, sizeof(encap->eth.dst),
+ &encap->eth.dst);
+ if (!flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL))
+ return 0;
+ return rte_flow_error_set(error, rte_errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "netlink: cannot complete ND request"
+ " (ip neigh)");
+}
+
+/**
+ * Manage the local IP addresses and their peers IP addresses on the
+ * outer interface for encapsulation purposes. The kernel searches the
+ * appropriate device for tunnel egress traffic using the outer source
+ * IP, this IP should be assigned to the outer network device, otherwise
+ * kernel rejects the rule.
+ *
+ * Adds or removes the addresses using the Netlink command like this:
+ * ip addr add <src_ip> peer <dst_ip> scope link dev <ifouter>
+ *
+ * The addresses are local to the netdev ("scope link"), this reduces
+ * the risk of conflicts. Note that an implicit route is maintained by
+ * the kernel due to the presence of a peer address (IFA_ADDRESS).
+ *
+ * @param[in] tcf
+ * Libmnl socket context object.
+ * @param[in] vtep
+ * VTEP object, contains rule database and ifouter index.
+ * @param[in] dev_flow
+ * Flow object, contains the tunnel parameters (for encap only).
+ * @param[in] enable
+ * Toggle between add and remove.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_tcf_encap_local(struct mlx5_flow_tcf_context *tcf,
+ struct tcf_vtep *vtep,
+ struct mlx5_flow *dev_flow,
+ bool enable,
+ struct rte_flow_error *error)
+{
+ const struct flow_tcf_vxlan_encap *encap = dev_flow->tcf.vxlan_encap;
+ struct tcf_local_rule *rule;
+ bool found = false;
+ int ret;
+
+ assert(encap);
+ assert(encap->hdr.type == FLOW_TCF_TUNACT_VXLAN_ENCAP);
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_SRC) {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV4_DST);
+ LIST_FOREACH(rule, &vtep->local, next) {
+ if (rule->mask & FLOW_TCF_ENCAP_IPV4_SRC &&
+ encap->ipv4.src == rule->ipv4.src &&
+ encap->ipv4.dst == rule->ipv4.dst) {
+ found = true;
+ break;
+ }
+ }
+ } else {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_SRC);
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_DST);
+ LIST_FOREACH(rule, &vtep->local, next) {
+ if (rule->mask & FLOW_TCF_ENCAP_IPV6_SRC &&
+ !memcmp(&encap->ipv6.src, &rule->ipv6.src,
+ sizeof(encap->ipv6.src)) &&
+ !memcmp(&encap->ipv6.dst, &rule->ipv6.dst,
+ sizeof(encap->ipv6.dst))) {
+ found = true;
+ break;
+ }
+ }
+ }
+ if (found) {
+ if (enable) {
+ rule->refcnt++;
+ return 0;
+ }
+ if (!rule->refcnt || !--rule->refcnt) {
+ LIST_REMOVE(rule, next);
+ return flow_tcf_rule_local(tcf, encap,
+ vtep->ifouter, false, error);
+ }
+ return 0;
+ }
+ if (!enable) {
+ DRV_LOG(WARNING, "disabling not existing local rule");
+ rte_flow_error_set(error, ENOENT,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "disabling not existing local rule");
+ return -ENOENT;
+ }
+ rule = rte_zmalloc(__func__, sizeof(struct tcf_local_rule),
+ alignof(struct tcf_local_rule));
+ if (!rule) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "unable to allocate memory for local rule");
+ return -rte_errno;
+ }
+ *rule = (struct tcf_local_rule){.refcnt = 0,
+ .mask = 0,
+ };
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_SRC) {
+ rule->mask = FLOW_TCF_ENCAP_IPV4_SRC
+ | FLOW_TCF_ENCAP_IPV4_DST;
+ rule->ipv4.src = encap->ipv4.src;
+ rule->ipv4.dst = encap->ipv4.dst;
+ } else {
+ rule->mask = FLOW_TCF_ENCAP_IPV6_SRC
+ | FLOW_TCF_ENCAP_IPV6_DST;
+ memcpy(&rule->ipv6.src, &encap->ipv6.src, IPV6_ADDR_LEN);
+ memcpy(&rule->ipv6.dst, &encap->ipv6.dst, IPV6_ADDR_LEN);
+ }
+ ret = flow_tcf_rule_local(tcf, encap, vtep->ifouter, true, error);
+ if (ret) {
+ rte_free(rule);
+ return ret;
+ }
+ rule->refcnt++;
+ LIST_INSERT_HEAD(&vtep->local, rule, next);
+ return 0;
+}
+
+/**
+ * Manage the destination MAC/IP addresses neigh database, kernel uses
+ * this one to determine the destination MAC address within encapsulation
+ * header. Adds or removes the entries using the Netlink command like this:
+ * ip neigh add dev <ifouter> lladdr <dst_mac> to <dst_ip> nud permanent
+ *
+ * @param[in] tcf
+ * Libmnl socket context object.
+ * @param[in] vtep
+ * VTEP object, contains rule database and ifouter index.
+ * @param[in] dev_flow
+ * Flow object, contains the tunnel parameters (for encap only).
+ * @param[in] enable
+ * Toggle between add and remove.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+flow_tcf_encap_neigh(struct mlx5_flow_tcf_context *tcf,
+ struct tcf_vtep *vtep,
+ struct mlx5_flow *dev_flow,
+ bool enable,
+ struct rte_flow_error *error)
+{
+ const struct flow_tcf_vxlan_encap *encap = dev_flow->tcf.vxlan_encap;
+ struct tcf_neigh_rule *rule;
+ bool found = false;
+ int ret;
+
+ assert(encap);
+ assert(encap->hdr.type == FLOW_TCF_TUNACT_VXLAN_ENCAP);
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_DST) {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV4_SRC);
+ LIST_FOREACH(rule, &vtep->neigh, next) {
+ if (rule->mask & FLOW_TCF_ENCAP_IPV4_DST &&
+ encap->ipv4.dst == rule->ipv4.dst) {
+ found = true;
+ break;
+ }
+ }
+ } else {
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_SRC);
+ assert(encap->mask & FLOW_TCF_ENCAP_IPV6_DST);
+ LIST_FOREACH(rule, &vtep->neigh, next) {
+ if (rule->mask & FLOW_TCF_ENCAP_IPV6_DST &&
+ !memcmp(&encap->ipv6.dst, &rule->ipv6.dst,
+ sizeof(encap->ipv6.dst))) {
+ found = true;
+ break;
+ }
+ }
+ }
+ if (found) {
+ if (memcmp(&encap->eth.dst, &rule->eth,
+ sizeof(encap->eth.dst))) {
+ DRV_LOG(WARNING, "Destination MAC differs"
+ " in neigh rule");
+ rte_flow_error_set(error, EEXIST,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "Different MAC address"
+ " neigh rule for the same"
+ " destination IP");
+ return -EEXIST;
+ }
+ if (enable) {
+ rule->refcnt++;
+ return 0;
+ }
+ if (!rule->refcnt || !--rule->refcnt) {
+ LIST_REMOVE(rule, next);
+ return flow_tcf_rule_neigh(tcf, encap,
+ vtep->ifouter,
+ false, error);
+ }
+ return 0;
+ }
+ if (!enable) {
+ DRV_LOG(WARNING, "Disabling not existing neigh rule");
+ rte_flow_error_set(error, ENOENT,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "unable to allocate memory for neigh rule");
+ return -ENOENT;
+ }
+ rule = rte_zmalloc(__func__, sizeof(struct tcf_neigh_rule),
+ alignof(struct tcf_neigh_rule));
+ if (!rule) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "unable to allocate memory for neigh rule");
+ return -rte_errno;
+ }
+ *rule = (struct tcf_neigh_rule){.refcnt = 0,
+ .mask = 0,
+ };
+ if (encap->mask & FLOW_TCF_ENCAP_IPV4_DST) {
+ rule->mask = FLOW_TCF_ENCAP_IPV4_DST;
+ rule->ipv4.dst = encap->ipv4.dst;
+ } else {
+ rule->mask = FLOW_TCF_ENCAP_IPV6_DST;
+ memcpy(&rule->ipv6.dst, &encap->ipv6.dst, IPV6_ADDR_LEN);
+ }
+ memcpy(&rule->eth, &encap->eth.dst, sizeof(rule->eth));
+ ret = flow_tcf_rule_neigh(tcf, encap, vtep->ifouter, true, error);
+ if (ret) {
+ rte_free(rule);
+ return ret;
+ }
+ rule->refcnt++;
+ LIST_INSERT_HEAD(&vtep->neigh, rule, next);
+ return 0;
+}
+
+/* VTEP device list is shared between PMD port instances. */
+static LIST_HEAD(, tcf_vtep) vtep_list_vxlan = LIST_HEAD_INITIALIZER();
+static pthread_mutex_t vtep_list_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+/**
+ * Deletes VTEP network device.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] vtep
+ * Object represinting the network device to delete. Memory
+ * allocated for this object is freed by routine.
+ */
+static void
+flow_tcf_vtep_delete(struct mlx5_flow_tcf_context *tcf,
+ struct tcf_vtep *vtep)
+{
+ struct nlmsghdr *nlh;
+ struct ifinfomsg *ifm;
+ alignas(struct nlmsghdr)
+ uint8_t buf[mnl_nlmsg_size(MNL_ALIGN(sizeof(*ifm))) +
+ MNL_BUF_EXTRA_SPACE];
+ int ret;
+
+ assert(!vtep->refcnt);
+ /* Delete only ifaces those we actually created. */
+ if (vtep->created && vtep->ifindex) {
+ DRV_LOG(INFO, "VTEP delete (%d)", vtep->ifindex);
+ nlh = mnl_nlmsg_put_header(buf);
+ nlh->nlmsg_type = RTM_DELLINK;
+ nlh->nlmsg_flags = NLM_F_REQUEST;
+ ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
+ ifm->ifi_family = AF_UNSPEC;
+ ifm->ifi_index = vtep->ifindex;
+ assert(sizeof(buf) >= nlh->nlmsg_len);
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+ if (ret)
+ DRV_LOG(WARNING, "netlink: error deleting vxlan"
+ " encap/decap ifindex %u",
+ ifm->ifi_index);
+ }
+ rte_free(vtep);
+}
+
+/**
+ * Creates VTEP network device.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifouter
+ * Outer interface to attach new-created VXLAN device
+ * If zero the VXLAN device will not be attached to any device.
+ * These VTEPs are used for decapsulation and can be precreated
+ * and shared between processes.
+ * @param[in] port
+ * UDP port of created VTEP device.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * Pointer to created device structure on success,
+ * NULL otherwise and rte_errno is set.
+ */
+#ifdef HAVE_IFLA_VXLAN_COLLECT_METADATA
+static struct tcf_vtep*
+flow_tcf_vtep_create(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifouter,
+ uint16_t port, struct rte_flow_error *error)
+{
+ struct tcf_vtep *vtep;
+ struct nlmsghdr *nlh;
+ struct ifinfomsg *ifm;
+ char name[sizeof(MLX5_VXLAN_DEVICE_PFX) + 24];
+ alignas(struct nlmsghdr)
+ uint8_t buf[mnl_nlmsg_size(sizeof(*ifm)) +
+ SZ_NLATTR_DATA_OF(sizeof(name)) +
+ SZ_NLATTR_NEST * 2 +
+ SZ_NLATTR_STRZ_OF("vxlan") +
+ SZ_NLATTR_DATA_OF(sizeof(uint32_t)) +
+ SZ_NLATTR_DATA_OF(sizeof(uint16_t)) +
+ SZ_NLATTR_DATA_OF(sizeof(uint8_t)) * 3 +
+ MNL_BUF_EXTRA_SPACE];
+ struct nlattr *na_info;
+ struct nlattr *na_vxlan;
+ rte_be16_t vxlan_port = rte_cpu_to_be_16(port);
+ int ret;
+
+ vtep = rte_zmalloc(__func__, sizeof(*vtep), alignof(struct tcf_vtep));
+ if (!vtep) {
+ rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "unable to allocate memory for VTEP");
+ return NULL;
+ }
+ *vtep = (struct tcf_vtep){
+ .port = port,
+ .local = LIST_HEAD_INITIALIZER(),
+ .neigh = LIST_HEAD_INITIALIZER(),
+ };
+ memset(buf, 0, sizeof(buf));
+ nlh = mnl_nlmsg_put_header(buf);
+ nlh->nlmsg_type = RTM_NEWLINK;
+ nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;
+ ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
+ ifm->ifi_family = AF_UNSPEC;
+ ifm->ifi_type = 0;
+ ifm->ifi_index = 0;
+ ifm->ifi_flags = IFF_UP;
+ ifm->ifi_change = 0xffffffff;
+ snprintf(name, sizeof(name), "%s%u", MLX5_VXLAN_DEVICE_PFX, port);
+ mnl_attr_put_strz(nlh, IFLA_IFNAME, name);
+ na_info = mnl_attr_nest_start(nlh, IFLA_LINKINFO);
+ assert(na_info);
+ mnl_attr_put_strz(nlh, IFLA_INFO_KIND, "vxlan");
+ na_vxlan = mnl_attr_nest_start(nlh, IFLA_INFO_DATA);
+ if (ifouter)
+ mnl_attr_put_u32(nlh, IFLA_VXLAN_LINK, ifouter);
+ assert(na_vxlan);
+ mnl_attr_put_u8(nlh, IFLA_VXLAN_COLLECT_METADATA, 1);
+ mnl_attr_put_u8(nlh, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
+ mnl_attr_put_u8(nlh, IFLA_VXLAN_LEARNING, 0);
+ mnl_attr_put_u16(nlh, IFLA_VXLAN_PORT, vxlan_port);
+ mnl_attr_nest_end(nlh, na_vxlan);
+ mnl_attr_nest_end(nlh, na_info);
+ assert(sizeof(buf) >= nlh->nlmsg_len);
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+ if (ret) {
+ DRV_LOG(WARNING,
+ "netlink: VTEP %s create failure (%d)",
+ name, rte_errno);
+ if (rte_errno != EEXIST || ifouter)
+ /*
+ * Some unhandled error occurred or device is
+ * for encapsulation and cannot be shared.
+ */
+ goto error;
+ } else {
+ /*
+ * Mark device we actually created.
+ * We should explicitly delete
+ * when we do not need it anymore.
+ */
+ vtep->created = 1;
+ }
+ /* Try to get ifindex of created of pre-existing device. */
+ ret = if_nametoindex(name);
+ if (!ret) {
+ DRV_LOG(WARNING,
+ "VTEP %s failed to get index (%d)", name, errno);
+ rte_flow_error_set
+ (error, -errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "netlink: failed to retrieve VTEP ifindex");
+ goto error;
+ }
+ vtep->ifindex = ret;
+ vtep->ifouter = ifouter;
+ memset(buf, 0, sizeof(buf));
+ nlh = mnl_nlmsg_put_header(buf);
+ nlh->nlmsg_type = RTM_NEWLINK;
+ nlh->nlmsg_flags = NLM_F_REQUEST;
+ ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
+ ifm->ifi_family = AF_UNSPEC;
+ ifm->ifi_type = 0;
+ ifm->ifi_index = vtep->ifindex;
+ ifm->ifi_flags = IFF_UP;
+ ifm->ifi_change = IFF_UP;
+ ret = flow_tcf_nl_ack(tcf, nlh, 0, NULL, NULL);
+ if (ret) {
+ rte_flow_error_set(error, -errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "netlink: failed to set VTEP link up");
+ DRV_LOG(WARNING, "netlink: VTEP %s set link up failure (%d)",
+ name, rte_errno);
+ goto clean;
+ }
+ ret = mlx5_flow_tcf_init(tcf, vtep->ifindex, error);
+ if (ret) {
+ DRV_LOG(WARNING, "VTEP %s init failure (%d)", name, rte_errno);
+ goto clean;
+ }
+ DRV_LOG(INFO, "VTEP create (%d, %d)", vtep->port, vtep->ifindex);
+ vtep->refcnt = 1;
+ return vtep;
+clean:
+ flow_tcf_vtep_delete(tcf, vtep);
+ return NULL;
+error:
+ rte_free(vtep);
+ return NULL;
+}
+#else
+static struct tcf_vtep*
+flow_tcf_vtep_create(struct mlx5_flow_tcf_context *tcf __rte_unused,
+ unsigned int ifouter __rte_unused,
+ uint16_t port __rte_unused,
+ struct rte_flow_error *error)
+{
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "netlink: failed to create VTEP, "
+ "vxlan metadata are not supported by kernel");
+ return NULL;
+}
+#endif /* HAVE_IFLA_VXLAN_COLLECT_METADATA */
+
+/**
+ * Acquire target interface index for VXLAN tunneling decapsulation.
+ * In order to share the UDP port within the other interfaces the
+ * VXLAN device created as not attached to any interface (if created).
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] dev_flow
+ * Flow tcf object with tunnel structure pointer set.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ * @return
+ * Interface descriptor pointer on success,
+ * NULL otherwise and rte_errno is set.
+ */
+static struct tcf_vtep*
+flow_tcf_decap_vtep_acquire(struct mlx5_flow_tcf_context *tcf,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct tcf_vtep *vtep;
+ uint16_t port = dev_flow->tcf.vxlan_decap->udp_port;
+
+ LIST_FOREACH(vtep, &vtep_list_vxlan, next) {
+ if (vtep->port == port)
+ break;
+ }
+ if (vtep && vtep->ifouter) {
+ rte_flow_error_set(error, -errno,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Failed to create decap VTEP with specified"
+ " UDP port, atatched device exists");
+ return NULL;
+ }
+ if (vtep) {
+ /* Device exists, just increment the reference counter. */
+ vtep->refcnt++;
+ assert(vtep->ifindex);
+ return vtep;
+ }
+ /* No decapsulation device exists, try to create the new one. */
+ vtep = flow_tcf_vtep_create(tcf, 0, port, error);
+ if (vtep)
+ LIST_INSERT_HEAD(&vtep_list_vxlan, vtep, next);
+ return vtep;
+}
+
+/**
+ * Aqcuire target interface index for VXLAN tunneling encapsulation.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifouter
+ * Network interface index to attach VXLAN encap device to.
+ * @param[in] dev_flow
+ * Flow tcf object with tunnel structure pointer set.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ * @return
+ * Interface descriptor pointer on success,
+ * NULL otherwise and rte_errno is set.
+ */
+static struct tcf_vtep*
+flow_tcf_encap_vtep_acquire(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifouter,
+ struct mlx5_flow *dev_flow __rte_unused,
+ struct rte_flow_error *error)
+{
+ static uint16_t encap_port = MLX5_VXLAN_PORT_MIN - 1;
+ struct tcf_vtep *vtep;
+ int ret;
+
+ assert(ifouter);
+ /* Look whether the attached VTEP for encap is created. */
+ LIST_FOREACH(vtep, &vtep_list_vxlan, next) {
+ if (vtep->ifouter == ifouter)
+ break;
+ }
+ if (vtep) {
+ /* VTEP already exists, just increment the reference. */
+ vtep->refcnt++;
+ } else {
+ uint16_t pcnt;
+
+ /* Not found, we should create the new attached VTEP. */
+ flow_tcf_encap_iface_cleanup(tcf, ifouter);
+ flow_tcf_encap_local_cleanup(tcf, ifouter);
+ flow_tcf_encap_neigh_cleanup(tcf, ifouter);
+ for (pcnt = 0; pcnt <= (MLX5_VXLAN_PORT_MAX
+ - MLX5_VXLAN_PORT_MIN); pcnt++) {
+ encap_port++;
+ /* Wraparound the UDP port index. */
+ if (encap_port < MLX5_VXLAN_PORT_MIN ||
+ encap_port > MLX5_VXLAN_PORT_MAX)
+ encap_port = MLX5_VXLAN_PORT_MIN;
+ /* Check whether UDP port is in already in use. */
+ LIST_FOREACH(vtep, &vtep_list_vxlan, next) {
+ if (vtep->port == encap_port)
+ break;
+ }
+ if (vtep) {
+ /* Port is in use, try the next one. */
+ vtep = NULL;
+ continue;
+ }
+ vtep = flow_tcf_vtep_create(tcf, ifouter,
+ encap_port, error);
+ if (vtep) {
+ LIST_INSERT_HEAD(&vtep_list_vxlan, vtep, next);
+ break;
+ }
+ if (rte_errno != EEXIST)
+ break;
+ }
+ if (!vtep)
+ return NULL;
+ }
+ assert(vtep->ifouter == ifouter);
+ assert(vtep->ifindex);
+ /* Create local ipaddr with peer to specify the outer IPs. */
+ ret = flow_tcf_encap_local(tcf, vtep, dev_flow, true, error);
+ if (!ret) {
+ /* Create neigh rule to specify outer destination MAC. */
+ ret = flow_tcf_encap_neigh(tcf, vtep, dev_flow, true, error);
+ if (ret)
+ flow_tcf_encap_local(tcf, vtep,
+ dev_flow, false, error);
+ }
+ if (ret) {
+ if (--vtep->refcnt == 0)
+ flow_tcf_vtep_delete(tcf, vtep);
+ return NULL;
+ }
+ return vtep;
}
/**
+ * Acquires target interface index for tunneling of any type.
+ * Creates the new VTEP if needed.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] ifouter
+ * Network interface index to attach VXLAN encap device to.
+ * @param[in] dev_flow
+ * Flow tcf object with tunnel structure pointer set.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ * @return
+ * Interface descriptor pointer on success,
+ * NULL otherwise and rte_errno is set.
+ */
+static struct tcf_vtep*
+flow_tcf_vtep_acquire(struct mlx5_flow_tcf_context *tcf,
+ unsigned int ifouter,
+ struct mlx5_flow *dev_flow,
+ struct rte_flow_error *error)
+{
+ struct tcf_vtep *vtep = NULL;
+
+ assert(dev_flow->tcf.tunnel);
+ pthread_mutex_lock(&vtep_list_mutex);
+ switch (dev_flow->tcf.tunnel->type) {
+ case FLOW_TCF_TUNACT_VXLAN_ENCAP:
+ vtep = flow_tcf_encap_vtep_acquire(tcf, ifouter,
+ dev_flow, error);
+ break;
+ case FLOW_TCF_TUNACT_VXLAN_DECAP:
+ vtep = flow_tcf_decap_vtep_acquire(tcf, dev_flow, error);
+ break;
+ default:
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "unsupported tunnel type");
+ break;
+ }
+ pthread_mutex_unlock(&vtep_list_mutex);
+ return vtep;
+}
+
+/**
+ * Release tunneling interface by ifindex. Decrements reference
+ * counter and actually removes the device if counter is zero.
+ *
+ * @param[in] tcf
+ * Context object initialized by mlx5_flow_tcf_context_create().
+ * @param[in] vtep
+ * VTEP device descriptor structure.
+ * @param[in] dev_flow
+ * Flow tcf object with tunnel structure pointer set.
+ */
+static void
+flow_tcf_vtep_release(struct mlx5_flow_tcf_context *tcf,
+ struct tcf_vtep *vtep,
+ struct mlx5_flow *dev_flow)
+{
+ assert(dev_flow->tcf.tunnel);
+ pthread_mutex_lock(&vtep_list_mutex);
+ switch (dev_flow->tcf.tunnel->type) {
+ case FLOW_TCF_TUNACT_VXLAN_DECAP:
+ break;
+ case FLOW_TCF_TUNACT_VXLAN_ENCAP:
+ /* Remove the encap ancillary rules first. */
+ flow_tcf_encap_neigh(tcf, vtep, dev_flow, false, NULL);
+ flow_tcf_encap_local(tcf, vtep, dev_flow, false, NULL);
+ break;
+ default:
+ assert(false);
+ DRV_LOG(WARNING, "Unsupported tunnel type");
+ break;
+ }
+ assert(vtep->refcnt);
+ if (--vtep->refcnt == 0) {
+ LIST_REMOVE(vtep, next);
+ flow_tcf_vtep_delete(tcf, vtep);
+ }
+ pthread_mutex_unlock(&vtep_list_mutex);
+}
+
+
+/**
* Apply flow to E-Switch by sending Netlink message.
*
* @param[in] dev
@@ -2267,11 +5098,35 @@ flow_tcf_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
dev_flow = LIST_FIRST(&flow->dev_flows);
/* E-Switch flow can't be expanded. */
assert(!LIST_NEXT(dev_flow, next));
+ if (dev_flow->tcf.applied)
+ return 0;
nlh = dev_flow->tcf.nlh;
nlh->nlmsg_type = RTM_NEWTFILTER;
nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;
- if (!flow_tcf_nl_ack(ctx, nlh))
+ if (dev_flow->tcf.tunnel) {
+ /*
+ * Replace the interface index, target for
+ * encapsulation, source for decapsulation.
+ */
+ assert(!dev_flow->tcf.tunnel->vtep);
+ assert(dev_flow->tcf.tunnel->ifindex_ptr);
+ /* Acquire actual VTEP device when rule is being applied. */
+ dev_flow->tcf.tunnel->vtep =
+ flow_tcf_vtep_acquire(ctx,
+ dev_flow->tcf.tunnel->ifindex_org,
+ dev_flow, error);
+ if (!dev_flow->tcf.tunnel->vtep)
+ return -rte_errno;
+ DRV_LOG(INFO, "Replace ifindex: %d->%d",
+ dev_flow->tcf.tunnel->vtep->ifindex,
+ dev_flow->tcf.tunnel->ifindex_org);
+ *dev_flow->tcf.tunnel->ifindex_ptr =
+ dev_flow->tcf.tunnel->vtep->ifindex;
+ }
+ if (!flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL)) {
+ dev_flow->tcf.applied = 1;
return 0;
+ }
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"netlink: failed to create TC flow rule");
@@ -2295,21 +5150,25 @@ flow_tcf_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
if (!flow)
return;
- if (flow->counter) {
- if (--flow->counter->ref_cnt == 0) {
- rte_free(flow->counter);
- flow->counter = NULL;
- }
- }
dev_flow = LIST_FIRST(&flow->dev_flows);
if (!dev_flow)
return;
/* E-Switch flow can't be expanded. */
assert(!LIST_NEXT(dev_flow, next));
- nlh = dev_flow->tcf.nlh;
- nlh->nlmsg_type = RTM_DELTFILTER;
- nlh->nlmsg_flags = NLM_F_REQUEST;
- flow_tcf_nl_ack(ctx, nlh);
+ if (dev_flow->tcf.applied) {
+ nlh = dev_flow->tcf.nlh;
+ nlh->nlmsg_type = RTM_DELTFILTER;
+ nlh->nlmsg_flags = NLM_F_REQUEST;
+ flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL);
+ if (dev_flow->tcf.tunnel) {
+ assert(dev_flow->tcf.tunnel->vtep);
+ flow_tcf_vtep_release(ctx,
+ dev_flow->tcf.tunnel->vtep,
+ dev_flow);
+ dev_flow->tcf.tunnel->vtep = NULL;
+ }
+ dev_flow->tcf.applied = 0;
+ }
}
/**
@@ -2328,6 +5187,12 @@ flow_tcf_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
if (!flow)
return;
flow_tcf_remove(dev, flow);
+ if (flow->counter) {
+ if (--flow->counter->ref_cnt == 0) {
+ rte_free(flow->counter);
+ flow->counter = NULL;
+ }
+ }
dev_flow = LIST_FIRST(&flow->dev_flows);
if (!dev_flow)
return;
@@ -2830,7 +5695,9 @@ mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
struct nlmsghdr *nlh;
struct tcmsg *tcm;
alignas(struct nlmsghdr)
- uint8_t buf[mnl_nlmsg_size(sizeof(*tcm) + 128)];
+ uint8_t buf[mnl_nlmsg_size(sizeof(*tcm)) +
+ SZ_NLATTR_STRZ_OF("ingress") +
+ MNL_BUF_EXTRA_SPACE];
/* Destroy existing ingress qdisc and everything attached to it. */
nlh = mnl_nlmsg_put_header(buf);
@@ -2841,8 +5708,9 @@ mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
tcm->tcm_ifindex = ifindex;
tcm->tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);
tcm->tcm_parent = TC_H_INGRESS;
+ assert(sizeof(buf) >= nlh->nlmsg_len);
/* Ignore errors when qdisc is already absent. */
- if (flow_tcf_nl_ack(ctx, nlh) &&
+ if (flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL) &&
rte_errno != EINVAL && rte_errno != ENOENT)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
@@ -2858,7 +5726,8 @@ mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx,
tcm->tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);
tcm->tcm_parent = TC_H_INGRESS;
mnl_attr_put_strz_check(nlh, sizeof(buf), TCA_KIND, "ingress");
- if (flow_tcf_nl_ack(ctx, nlh))
+ assert(sizeof(buf) >= nlh->nlmsg_len);
+ if (flow_tcf_nl_ack(ctx, nlh, 0, NULL, NULL))
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"netlink: failed to create ingress"
diff --git a/drivers/net/mlx5/mlx5_flow_verbs.c b/drivers/net/mlx5/mlx5_flow_verbs.c
index 81bc39f9..699cc88c 100644
--- a/drivers/net/mlx5/mlx5_flow_verbs.c
+++ b/drivers/net/mlx5/mlx5_flow_verbs.c
@@ -33,6 +33,9 @@
#include "mlx5_glue.h"
#include "mlx5_flow.h"
+#define VERBS_SPEC_INNER(item_flags) \
+ (!!((item_flags) & MLX5_FLOW_LAYER_TUNNEL) ? IBV_FLOW_SPEC_INNER : 0)
+
/**
* Create Verbs flow counter with Verbs library.
*
@@ -231,27 +234,26 @@ flow_verbs_counter_query(struct rte_eth_dev *dev __rte_unused,
}
/**
- * Add a verbs item specification into @p flow.
+ * Add a verbs item specification into @p verbs.
*
- * @param[in, out] flow
- * Pointer to flow structure.
+ * @param[out] verbs
+ * Pointer to verbs structure.
* @param[in] src
* Create specification.
* @param[in] size
* Size in bytes of the specification to copy.
*/
static void
-flow_verbs_spec_add(struct mlx5_flow *flow, void *src, unsigned int size)
+flow_verbs_spec_add(struct mlx5_flow_verbs *verbs, void *src, unsigned int size)
{
- struct mlx5_flow_verbs *verbs = &flow->verbs;
+ void *dst;
- if (verbs->specs) {
- void *dst;
-
- dst = (void *)(verbs->specs + verbs->size);
- memcpy(dst, src, size);
- ++verbs->attr->num_of_specs;
- }
+ if (!verbs)
+ return;
+ assert(verbs->specs);
+ dst = (void *)(verbs->specs + verbs->size);
+ memcpy(dst, src, size);
+ ++verbs->attr->num_of_specs;
verbs->size += size;
}
@@ -260,24 +262,23 @@ flow_verbs_spec_add(struct mlx5_flow *flow, void *src, unsigned int size)
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
* @param[in] item_flags
- * Bit field with all detected items.
- * @param[in, out] dev_flow
- * Pointer to dev_flow structure.
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_eth(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_eth(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags)
{
const struct rte_flow_item_eth *spec = item->spec;
const struct rte_flow_item_eth *mask = item->mask;
- const int tunnel = !!(*item_flags & MLX5_FLOW_LAYER_TUNNEL);
const unsigned int size = sizeof(struct ibv_flow_spec_eth);
struct ibv_flow_spec_eth eth = {
- .type = IBV_FLOW_SPEC_ETH | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
.size = size,
};
@@ -298,11 +299,8 @@ flow_verbs_translate_item_eth(const struct rte_flow_item *item,
eth.val.src_mac[i] &= eth.mask.src_mac[i];
}
eth.val.ether_type &= eth.mask.ether_type;
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L2;
}
- flow_verbs_spec_add(dev_flow, &eth, size);
- *item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
- MLX5_FLOW_LAYER_OUTER_L2;
+ flow_verbs_spec_add(&dev_flow->verbs, &eth, size);
}
/**
@@ -344,24 +342,24 @@ flow_verbs_item_vlan_update(struct ibv_flow_attr *attr,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
- * @param[in] item
- * Item specification.
- * @param[in, out] item_flags
- * Bit mask that holds all detected items.
* @param[in, out] dev_flow
* Pointer to dev_flow structure.
+ * @param[in] item
+ * Item specification.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_vlan(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_vlan(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags)
{
const struct rte_flow_item_vlan *spec = item->spec;
const struct rte_flow_item_vlan *mask = item->mask;
unsigned int size = sizeof(struct ibv_flow_spec_eth);
- const int tunnel = !!(*item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
struct ibv_flow_spec_eth eth = {
- .type = IBV_FLOW_SPEC_ETH | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ .type = IBV_FLOW_SPEC_ETH | VERBS_SPEC_INNER(item_flags),
.size = size,
};
const uint32_t l2m = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
@@ -377,16 +375,10 @@ flow_verbs_translate_item_vlan(const struct rte_flow_item *item,
eth.mask.ether_type = mask->inner_type;
eth.val.ether_type &= eth.mask.ether_type;
}
- if (!(*item_flags & l2m)) {
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L2;
- flow_verbs_spec_add(dev_flow, &eth, size);
- } else {
+ if (!(item_flags & l2m))
+ flow_verbs_spec_add(&dev_flow->verbs, &eth, size);
+ else
flow_verbs_item_vlan_update(dev_flow->verbs.attr, &eth);
- size = 0; /* Only an update is done in eth specification. */
- }
- *item_flags |= tunnel ?
- (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_VLAN) :
- (MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_OUTER_VLAN);
}
/**
@@ -394,32 +386,28 @@ flow_verbs_translate_item_vlan(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_ipv4(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_ipv4(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags)
{
const struct rte_flow_item_ipv4 *spec = item->spec;
const struct rte_flow_item_ipv4 *mask = item->mask;
- const int tunnel = !!(*item_flags & MLX5_FLOW_LAYER_TUNNEL);
unsigned int size = sizeof(struct ibv_flow_spec_ipv4_ext);
struct ibv_flow_spec_ipv4_ext ipv4 = {
- .type = IBV_FLOW_SPEC_IPV4_EXT |
- (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ .type = IBV_FLOW_SPEC_IPV4_EXT | VERBS_SPEC_INNER(item_flags),
.size = size,
};
if (!mask)
mask = &rte_flow_item_ipv4_mask;
- *item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV4;
if (spec) {
ipv4.val = (struct ibv_flow_ipv4_ext_filter){
.src_ip = spec->hdr.src_addr,
@@ -439,12 +427,7 @@ flow_verbs_translate_item_ipv4(const struct rte_flow_item *item,
ipv4.val.proto &= ipv4.mask.proto;
ipv4.val.tos &= ipv4.mask.tos;
}
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, tunnel,
- MLX5_IPV4_LAYER_TYPES,
- MLX5_IPV4_IBV_RX_HASH);
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L3;
- flow_verbs_spec_add(dev_flow, &ipv4, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &ipv4, size);
}
/**
@@ -452,31 +435,28 @@ flow_verbs_translate_item_ipv4(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_ipv6(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_ipv6(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags)
{
const struct rte_flow_item_ipv6 *spec = item->spec;
const struct rte_flow_item_ipv6 *mask = item->mask;
- const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
unsigned int size = sizeof(struct ibv_flow_spec_ipv6);
struct ibv_flow_spec_ipv6 ipv6 = {
- .type = IBV_FLOW_SPEC_IPV6 | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ .type = IBV_FLOW_SPEC_IPV6 | VERBS_SPEC_INNER(item_flags),
.size = size,
};
if (!mask)
mask = &rte_flow_item_ipv6_mask;
- *item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV6;
if (spec) {
unsigned int i;
uint32_t vtc_flow_val;
@@ -516,12 +496,7 @@ flow_verbs_translate_item_ipv6(const struct rte_flow_item *item,
ipv6.val.next_hdr &= ipv6.mask.next_hdr;
ipv6.val.hop_limit &= ipv6.mask.hop_limit;
}
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, tunnel,
- MLX5_IPV6_LAYER_TYPES,
- MLX5_IPV6_IBV_RX_HASH);
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L3;
- flow_verbs_spec_add(dev_flow, &ipv6, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &ipv6, size);
}
/**
@@ -529,46 +504,38 @@ flow_verbs_translate_item_ipv6(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_udp(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_tcp(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags __rte_unused)
{
- const struct rte_flow_item_udp *spec = item->spec;
- const struct rte_flow_item_udp *mask = item->mask;
- const int tunnel = !!(*item_flags & MLX5_FLOW_LAYER_TUNNEL);
+ const struct rte_flow_item_tcp *spec = item->spec;
+ const struct rte_flow_item_tcp *mask = item->mask;
unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
- struct ibv_flow_spec_tcp_udp udp = {
- .type = IBV_FLOW_SPEC_UDP | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ struct ibv_flow_spec_tcp_udp tcp = {
+ .type = IBV_FLOW_SPEC_TCP | VERBS_SPEC_INNER(item_flags),
.size = size,
};
if (!mask)
- mask = &rte_flow_item_udp_mask;
- *item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
- MLX5_FLOW_LAYER_OUTER_L4_UDP;
+ mask = &rte_flow_item_tcp_mask;
if (spec) {
- udp.val.dst_port = spec->hdr.dst_port;
- udp.val.src_port = spec->hdr.src_port;
- udp.mask.dst_port = mask->hdr.dst_port;
- udp.mask.src_port = mask->hdr.src_port;
+ tcp.val.dst_port = spec->hdr.dst_port;
+ tcp.val.src_port = spec->hdr.src_port;
+ tcp.mask.dst_port = mask->hdr.dst_port;
+ tcp.mask.src_port = mask->hdr.src_port;
/* Remove unwanted bits from values. */
- udp.val.src_port &= udp.mask.src_port;
- udp.val.dst_port &= udp.mask.dst_port;
+ tcp.val.src_port &= tcp.mask.src_port;
+ tcp.val.dst_port &= tcp.mask.dst_port;
}
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, tunnel, ETH_RSS_UDP,
- (IBV_RX_HASH_SRC_PORT_UDP |
- IBV_RX_HASH_DST_PORT_UDP));
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L4;
- flow_verbs_spec_add(dev_flow, &udp, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &tcp, size);
}
/**
@@ -576,46 +543,38 @@ flow_verbs_translate_item_udp(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_tcp(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_udp(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags __rte_unused)
{
- const struct rte_flow_item_tcp *spec = item->spec;
- const struct rte_flow_item_tcp *mask = item->mask;
- const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
+ const struct rte_flow_item_udp *spec = item->spec;
+ const struct rte_flow_item_udp *mask = item->mask;
unsigned int size = sizeof(struct ibv_flow_spec_tcp_udp);
- struct ibv_flow_spec_tcp_udp tcp = {
- .type = IBV_FLOW_SPEC_TCP | (tunnel ? IBV_FLOW_SPEC_INNER : 0),
+ struct ibv_flow_spec_tcp_udp udp = {
+ .type = IBV_FLOW_SPEC_UDP | VERBS_SPEC_INNER(item_flags),
.size = size,
};
if (!mask)
- mask = &rte_flow_item_tcp_mask;
- *item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
- MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ mask = &rte_flow_item_udp_mask;
if (spec) {
- tcp.val.dst_port = spec->hdr.dst_port;
- tcp.val.src_port = spec->hdr.src_port;
- tcp.mask.dst_port = mask->hdr.dst_port;
- tcp.mask.src_port = mask->hdr.src_port;
+ udp.val.dst_port = spec->hdr.dst_port;
+ udp.val.src_port = spec->hdr.src_port;
+ udp.mask.dst_port = mask->hdr.dst_port;
+ udp.mask.src_port = mask->hdr.src_port;
/* Remove unwanted bits from values. */
- tcp.val.src_port &= tcp.mask.src_port;
- tcp.val.dst_port &= tcp.mask.dst_port;
+ udp.val.src_port &= udp.mask.src_port;
+ udp.val.dst_port &= udp.mask.dst_port;
}
- dev_flow->verbs.hash_fields |=
- mlx5_flow_hashfields_adjust(dev_flow, tunnel, ETH_RSS_TCP,
- (IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP));
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L4;
- flow_verbs_spec_add(dev_flow, &tcp, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &udp, size);
}
/**
@@ -623,17 +582,17 @@ flow_verbs_translate_item_tcp(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_vxlan(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_vxlan(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags __rte_unused)
{
const struct rte_flow_item_vxlan *spec = item->spec;
const struct rte_flow_item_vxlan *mask = item->mask;
@@ -657,9 +616,7 @@ flow_verbs_translate_item_vxlan(const struct rte_flow_item *item,
/* Remove unwanted bits from values. */
vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
}
- flow_verbs_spec_add(dev_flow, &vxlan, size);
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L2;
- *item_flags |= MLX5_FLOW_LAYER_VXLAN;
+ flow_verbs_spec_add(&dev_flow->verbs, &vxlan, size);
}
/**
@@ -667,17 +624,17 @@ flow_verbs_translate_item_vxlan(const struct rte_flow_item *item,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_vxlan_gpe(const struct rte_flow_item *item,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_vxlan_gpe(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item,
+ uint64_t item_flags __rte_unused)
{
const struct rte_flow_item_vxlan_gpe *spec = item->spec;
const struct rte_flow_item_vxlan_gpe *mask = item->mask;
@@ -701,9 +658,7 @@ flow_verbs_translate_item_vxlan_gpe(const struct rte_flow_item *item,
/* Remove unwanted bits from values. */
vxlan_gpe.val.tunnel_id &= vxlan_gpe.mask.tunnel_id;
}
- flow_verbs_spec_add(dev_flow, &vxlan_gpe, size);
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L2;
- *item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
+ flow_verbs_spec_add(&dev_flow->verbs, &vxlan_gpe, size);
}
/**
@@ -763,17 +718,17 @@ flow_verbs_item_gre_ip_protocol_update(struct ibv_flow_attr *attr,
* the input is valid and that there is space to insert the requested item
* into the flow.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_gre(const struct rte_flow_item *item __rte_unused,
- uint64_t *item_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_item_gre(struct mlx5_flow *dev_flow,
+ const struct rte_flow_item *item __rte_unused,
+ uint64_t item_flags)
{
struct mlx5_flow_verbs *verbs = &dev_flow->verbs;
#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
@@ -804,7 +759,7 @@ flow_verbs_translate_item_gre(const struct rte_flow_item *item __rte_unused,
tunnel.val.key &= tunnel.mask.key;
}
#endif
- if (*item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
+ if (item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
flow_verbs_item_gre_ip_protocol_update(verbs->attr,
IBV_FLOW_SPEC_IPV4_EXT,
IPPROTO_GRE);
@@ -812,9 +767,7 @@ flow_verbs_translate_item_gre(const struct rte_flow_item *item __rte_unused,
flow_verbs_item_gre_ip_protocol_update(verbs->attr,
IBV_FLOW_SPEC_IPV6,
IPPROTO_GRE);
- flow_verbs_spec_add(dev_flow, &tunnel, size);
- verbs->attr->priority = MLX5_PRIORITY_MAP_L2;
- *item_flags |= MLX5_FLOW_LAYER_GRE;
+ flow_verbs_spec_add(verbs, &tunnel, size);
}
/**
@@ -822,17 +775,17 @@ flow_verbs_translate_item_gre(const struct rte_flow_item *item __rte_unused,
* the input is valid and that there is space to insert the requested action
* into the flow. This function also return the action that was added.
*
+ * @param[in, out] dev_flow
+ * Pointer to dev_flow structure.
* @param[in] item
* Item specification.
- * @param[in, out] item_flags
- * Bit mask that marks all detected items.
- * @param[in, out] dev_flow
- * Pointer to sepacific flow structure.
+ * @param[in] item_flags
+ * Parsed item flags.
*/
static void
-flow_verbs_translate_item_mpls(const struct rte_flow_item *item __rte_unused,
- uint64_t *action_flags __rte_unused,
- struct mlx5_flow *dev_flow __rte_unused)
+flow_verbs_translate_item_mpls(struct mlx5_flow *dev_flow __rte_unused,
+ const struct rte_flow_item *item __rte_unused,
+ uint64_t item_flags __rte_unused)
{
#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
const struct rte_flow_item_mpls *spec = item->spec;
@@ -851,25 +804,24 @@ flow_verbs_translate_item_mpls(const struct rte_flow_item *item __rte_unused,
/* Remove unwanted bits from values. */
mpls.val.label &= mpls.mask.label;
}
- flow_verbs_spec_add(dev_flow, &mpls, size);
- dev_flow->verbs.attr->priority = MLX5_PRIORITY_MAP_L2;
- *action_flags |= MLX5_FLOW_LAYER_MPLS;
+ flow_verbs_spec_add(&dev_flow->verbs, &mpls, size);
#endif
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
- * @param[in, out] action_flags
- * Pointer to the detected actions.
* @param[in] dev_flow
* Pointer to mlx5_flow.
+ * @param[in] action
+ * Action configuration.
*/
static void
-flow_verbs_translate_action_drop(uint64_t *action_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_action_drop
+ (struct mlx5_flow *dev_flow,
+ const struct rte_flow_action *action __rte_unused)
{
unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
struct ibv_flow_spec_action_drop drop = {
@@ -877,26 +829,22 @@ flow_verbs_translate_action_drop(uint64_t *action_flags,
.size = size,
};
- flow_verbs_spec_add(dev_flow, &drop, size);
- *action_flags |= MLX5_FLOW_ACTION_DROP;
+ flow_verbs_spec_add(&dev_flow->verbs, &drop, size);
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
- * @param[in] action
- * Action configuration.
- * @param[in, out] action_flags
- * Pointer to the detected actions.
* @param[in] dev_flow
* Pointer to mlx5_flow.
+ * @param[in] action
+ * Action configuration.
*/
static void
-flow_verbs_translate_action_queue(const struct rte_flow_action *action,
- uint64_t *action_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_action_queue(struct mlx5_flow *dev_flow,
+ const struct rte_flow_action *action)
{
const struct rte_flow_action_queue *queue = action->conf;
struct rte_flow *flow = dev_flow->flow;
@@ -904,13 +852,12 @@ flow_verbs_translate_action_queue(const struct rte_flow_action *action,
if (flow->queue)
(*flow->queue)[0] = queue->index;
flow->rss.queue_num = 1;
- *action_flags |= MLX5_FLOW_ACTION_QUEUE;
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
* @param[in] action
* Action configuration.
@@ -920,40 +867,39 @@ flow_verbs_translate_action_queue(const struct rte_flow_action *action,
* Pointer to mlx5_flow.
*/
static void
-flow_verbs_translate_action_rss(const struct rte_flow_action *action,
- uint64_t *action_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_action_rss(struct mlx5_flow *dev_flow,
+ const struct rte_flow_action *action)
{
const struct rte_flow_action_rss *rss = action->conf;
+ const uint8_t *rss_key;
struct rte_flow *flow = dev_flow->flow;
if (flow->queue)
memcpy((*flow->queue), rss->queue,
rss->queue_num * sizeof(uint16_t));
flow->rss.queue_num = rss->queue_num;
- memcpy(flow->key, rss->key, MLX5_RSS_HASH_KEY_LEN);
- flow->rss.types = rss->types;
+ /* NULL RSS key indicates default RSS key. */
+ rss_key = !rss->key ? rss_hash_default_key : rss->key;
+ memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+ /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
+ flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
flow->rss.level = rss->level;
- *action_flags |= MLX5_FLOW_ACTION_RSS;
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
- * @param[in] action
- * Action configuration.
- * @param[in, out] action_flags
- * Pointer to the detected actions.
* @param[in] dev_flow
* Pointer to mlx5_flow.
+ * @param[in] action
+ * Action configuration.
*/
static void
flow_verbs_translate_action_flag
- (const struct rte_flow_action *action __rte_unused,
- uint64_t *action_flags,
- struct mlx5_flow *dev_flow)
+ (struct mlx5_flow *dev_flow,
+ const struct rte_flow_action *action __rte_unused)
{
unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
struct ibv_flow_spec_action_tag tag = {
@@ -961,87 +907,44 @@ flow_verbs_translate_action_flag
.size = size,
.tag_id = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT),
};
- *action_flags |= MLX5_FLOW_ACTION_MARK;
- flow_verbs_spec_add(dev_flow, &tag, size);
-}
-/**
- * Update verbs specification to modify the flag to mark.
- *
- * @param[in, out] verbs
- * Pointer to the mlx5_flow_verbs structure.
- * @param[in] mark_id
- * Mark identifier to replace the flag.
- */
-static void
-flow_verbs_mark_update(struct mlx5_flow_verbs *verbs, uint32_t mark_id)
-{
- struct ibv_spec_header *hdr;
- int i;
-
- if (!verbs)
- return;
- /* Update Verbs specification. */
- hdr = (struct ibv_spec_header *)verbs->specs;
- if (!hdr)
- return;
- for (i = 0; i != verbs->attr->num_of_specs; ++i) {
- if (hdr->type == IBV_FLOW_SPEC_ACTION_TAG) {
- struct ibv_flow_spec_action_tag *t =
- (struct ibv_flow_spec_action_tag *)hdr;
-
- t->tag_id = mlx5_flow_mark_set(mark_id);
- }
- hdr = (struct ibv_spec_header *)((uintptr_t)hdr + hdr->size);
- }
+ flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
- * @param[in] action
- * Action configuration.
- * @param[in, out] action_flags
- * Pointer to the detected actions.
* @param[in] dev_flow
* Pointer to mlx5_flow.
+ * @param[in] action
+ * Action configuration.
*/
static void
-flow_verbs_translate_action_mark(const struct rte_flow_action *action,
- uint64_t *action_flags,
- struct mlx5_flow *dev_flow)
+flow_verbs_translate_action_mark(struct mlx5_flow *dev_flow,
+ const struct rte_flow_action *action)
{
const struct rte_flow_action_mark *mark = action->conf;
unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
struct ibv_flow_spec_action_tag tag = {
.type = IBV_FLOW_SPEC_ACTION_TAG,
.size = size,
+ .tag_id = mlx5_flow_mark_set(mark->id),
};
- struct mlx5_flow_verbs *verbs = &dev_flow->verbs;
- if (*action_flags & MLX5_FLOW_ACTION_FLAG) {
- flow_verbs_mark_update(verbs, mark->id);
- size = 0;
- } else {
- tag.tag_id = mlx5_flow_mark_set(mark->id);
- flow_verbs_spec_add(dev_flow, &tag, size);
- }
- *action_flags |= MLX5_FLOW_ACTION_MARK;
+ flow_verbs_spec_add(&dev_flow->verbs, &tag, size);
}
/**
* Convert the @p action into a Verbs specification. This function assumes that
* the input is valid and that there is space to insert the requested action
- * into the flow. This function also return the action that was added.
+ * into the flow.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] action
* Action configuration.
- * @param[in, out] action_flags
- * Pointer to the detected actions.
* @param[in] dev_flow
* Pointer to mlx5_flow.
* @param[out] error
@@ -1051,10 +954,9 @@ flow_verbs_translate_action_mark(const struct rte_flow_action *action,
* 0 On success else a negative errno value is returned and rte_errno is set.
*/
static int
-flow_verbs_translate_action_count(struct rte_eth_dev *dev,
+flow_verbs_translate_action_count(struct mlx5_flow *dev_flow,
const struct rte_flow_action *action,
- uint64_t *action_flags,
- struct mlx5_flow *dev_flow,
+ struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
const struct rte_flow_action_count *count = action->conf;
@@ -1078,13 +980,12 @@ flow_verbs_translate_action_count(struct rte_eth_dev *dev,
"cannot get counter"
" context.");
}
- *action_flags |= MLX5_FLOW_ACTION_COUNT;
#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
counter.counter_set_handle = flow->counter->cs->handle;
- flow_verbs_spec_add(dev_flow, &counter, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
counter.counters = flow->counter->cs;
- flow_verbs_spec_add(dev_flow, &counter, size);
+ flow_verbs_spec_add(&dev_flow->verbs, &counter, size);
#endif
return 0;
}
@@ -1116,7 +1017,6 @@ flow_verbs_validate(struct rte_eth_dev *dev,
int ret;
uint64_t action_flags = 0;
uint64_t item_flags = 0;
- int tunnel = 0;
uint8_t next_protocol = 0xff;
if (items == NULL)
@@ -1125,9 +1025,9 @@ flow_verbs_validate(struct rte_eth_dev *dev,
if (ret < 0)
return ret;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int ret = 0;
- tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
@@ -1144,8 +1044,10 @@ flow_verbs_validate(struct rte_eth_dev *dev,
error);
if (ret < 0)
return ret;
- item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
- MLX5_FLOW_LAYER_OUTER_VLAN;
+ item_flags |= tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
+ MLX5_FLOW_LAYER_INNER_VLAN) :
+ (MLX5_FLOW_LAYER_OUTER_L2 |
+ MLX5_FLOW_LAYER_OUTER_VLAN);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
ret = mlx5_flow_validate_item_ipv4(items, item_flags,
@@ -1307,23 +1209,18 @@ flow_verbs_validate(struct rte_eth_dev *dev,
/**
* Calculate the required bytes that are needed for the action part of the verbs
- * flow, in addtion returns bit-fields with all the detected action, in order to
- * avoid another interation over the actions.
+ * flow.
*
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] action_flags
- * Pointer to the detected actions.
*
* @return
* The size of the memory needed for all actions.
*/
static int
-flow_verbs_get_actions_and_size(const struct rte_flow_action actions[],
- uint64_t *action_flags)
+flow_verbs_get_actions_size(const struct rte_flow_action actions[])
{
int size = 0;
- uint64_t detected_actions = 0;
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
switch (actions->type) {
@@ -1331,125 +1228,89 @@ flow_verbs_get_actions_and_size(const struct rte_flow_action actions[],
break;
case RTE_FLOW_ACTION_TYPE_FLAG:
size += sizeof(struct ibv_flow_spec_action_tag);
- detected_actions |= MLX5_FLOW_ACTION_FLAG;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
size += sizeof(struct ibv_flow_spec_action_tag);
- detected_actions |= MLX5_FLOW_ACTION_MARK;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
size += sizeof(struct ibv_flow_spec_action_drop);
- detected_actions |= MLX5_FLOW_ACTION_DROP;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
- detected_actions |= MLX5_FLOW_ACTION_QUEUE;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
- detected_actions |= MLX5_FLOW_ACTION_RSS;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
size += sizeof(struct ibv_flow_spec_counter_action);
#endif
- detected_actions |= MLX5_FLOW_ACTION_COUNT;
break;
default:
break;
}
}
- *action_flags = detected_actions;
return size;
}
/**
* Calculate the required bytes that are needed for the item part of the verbs
- * flow, in addtion returns bit-fields with all the detected action, in order to
- * avoid another interation over the actions.
+ * flow.
*
- * @param[in] actions
+ * @param[in] items
* Pointer to the list of items.
- * @param[in, out] item_flags
- * Pointer to the detected items.
*
* @return
* The size of the memory needed for all items.
*/
static int
-flow_verbs_get_items_and_size(const struct rte_flow_item items[],
- uint64_t *item_flags)
+flow_verbs_get_items_size(const struct rte_flow_item items[])
{
int size = 0;
- uint64_t detected_items = 0;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
- int tunnel = !!(detected_items & MLX5_FLOW_LAYER_TUNNEL);
-
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
case RTE_FLOW_ITEM_TYPE_ETH:
size += sizeof(struct ibv_flow_spec_eth);
- detected_items |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
- MLX5_FLOW_LAYER_OUTER_L2;
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
size += sizeof(struct ibv_flow_spec_eth);
- detected_items |= tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
- MLX5_FLOW_LAYER_OUTER_VLAN;
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
size += sizeof(struct ibv_flow_spec_ipv4_ext);
- detected_items |= tunnel ?
- MLX5_FLOW_LAYER_INNER_L3_IPV4 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV4;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
size += sizeof(struct ibv_flow_spec_ipv6);
- detected_items |= tunnel ?
- MLX5_FLOW_LAYER_INNER_L3_IPV6 :
- MLX5_FLOW_LAYER_OUTER_L3_IPV6;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
size += sizeof(struct ibv_flow_spec_tcp_udp);
- detected_items |= tunnel ?
- MLX5_FLOW_LAYER_INNER_L4_UDP :
- MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
case RTE_FLOW_ITEM_TYPE_TCP:
size += sizeof(struct ibv_flow_spec_tcp_udp);
- detected_items |= tunnel ?
- MLX5_FLOW_LAYER_INNER_L4_TCP :
- MLX5_FLOW_LAYER_OUTER_L4_TCP;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
size += sizeof(struct ibv_flow_spec_tunnel);
- detected_items |= MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
size += sizeof(struct ibv_flow_spec_tunnel);
- detected_items |= MLX5_FLOW_LAYER_VXLAN_GPE;
break;
#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
case RTE_FLOW_ITEM_TYPE_GRE:
size += sizeof(struct ibv_flow_spec_gre);
- detected_items |= MLX5_FLOW_LAYER_GRE;
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
size += sizeof(struct ibv_flow_spec_mpls);
- detected_items |= MLX5_FLOW_LAYER_MPLS;
break;
#else
case RTE_FLOW_ITEM_TYPE_GRE:
size += sizeof(struct ibv_flow_spec_tunnel);
- detected_items |= MLX5_FLOW_LAYER_TUNNEL;
break;
#endif
default:
break;
}
}
- *item_flags = detected_items;
return size;
}
@@ -1464,10 +1325,6 @@ flow_verbs_get_items_and_size(const struct rte_flow_item items[],
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
- * @param[out] item_flags
- * Pointer to bit mask of all items detected.
- * @param[out] action_flags
- * Pointer to bit mask of all actions detected.
* @param[out] error
* Pointer to the error structure.
*
@@ -1479,15 +1336,13 @@ static struct mlx5_flow *
flow_verbs_prepare(const struct rte_flow_attr *attr __rte_unused,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
- uint64_t *item_flags,
- uint64_t *action_flags,
struct rte_flow_error *error)
{
uint32_t size = sizeof(struct mlx5_flow) + sizeof(struct ibv_flow_attr);
struct mlx5_flow *flow;
- size += flow_verbs_get_actions_and_size(actions, action_flags);
- size += flow_verbs_get_items_and_size(items, item_flags);
+ size += flow_verbs_get_actions_size(actions);
+ size += flow_verbs_get_items_size(items);
flow = rte_calloc(__func__, 1, size, 0);
if (!flow) {
rte_flow_error_set(error, ENOMEM,
@@ -1528,50 +1383,48 @@ flow_verbs_translate(struct rte_eth_dev *dev,
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
- uint64_t action_flags = 0;
+ struct rte_flow *flow = dev_flow->flow;
uint64_t item_flags = 0;
+ uint64_t action_flags = 0;
uint64_t priority = attr->priority;
+ uint32_t subpriority = 0;
struct priv *priv = dev->data->dev_private;
if (priority == MLX5_FLOW_PRIO_RSVD)
priority = priv->config.flow_prio - 1;
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
int ret;
+
switch (actions->type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_FLAG:
- flow_verbs_translate_action_flag(actions,
- &action_flags,
- dev_flow);
+ flow_verbs_translate_action_flag(dev_flow, actions);
+ action_flags |= MLX5_FLOW_ACTION_FLAG;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
- flow_verbs_translate_action_mark(actions,
- &action_flags,
- dev_flow);
+ flow_verbs_translate_action_mark(dev_flow, actions);
+ action_flags |= MLX5_FLOW_ACTION_MARK;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
- flow_verbs_translate_action_drop(&action_flags,
- dev_flow);
+ flow_verbs_translate_action_drop(dev_flow, actions);
+ action_flags |= MLX5_FLOW_ACTION_DROP;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
- flow_verbs_translate_action_queue(actions,
- &action_flags,
- dev_flow);
+ flow_verbs_translate_action_queue(dev_flow, actions);
+ action_flags |= MLX5_FLOW_ACTION_QUEUE;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
- flow_verbs_translate_action_rss(actions,
- &action_flags,
- dev_flow);
+ flow_verbs_translate_action_rss(dev_flow, actions);
+ action_flags |= MLX5_FLOW_ACTION_RSS;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
- ret = flow_verbs_translate_action_count(dev,
+ ret = flow_verbs_translate_action_count(dev_flow,
actions,
- &action_flags,
- dev_flow,
- error);
+ dev, error);
if (ret < 0)
return ret;
+ action_flags |= MLX5_FLOW_ACTION_COUNT;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
@@ -1580,51 +1433,100 @@ flow_verbs_translate(struct rte_eth_dev *dev,
"action not supported");
}
}
- /* Device flow should have action flags by flow_drv_prepare(). */
- assert(dev_flow->flow->actions == action_flags);
+ flow->actions = action_flags;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+ int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
+
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
case RTE_FLOW_ITEM_TYPE_ETH:
- flow_verbs_translate_item_eth(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_eth(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
+ MLX5_FLOW_LAYER_OUTER_L2;
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
- flow_verbs_translate_item_vlan(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_vlan(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
+ MLX5_FLOW_LAYER_INNER_VLAN) :
+ (MLX5_FLOW_LAYER_OUTER_L2 |
+ MLX5_FLOW_LAYER_OUTER_VLAN);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
- flow_verbs_translate_item_ipv4(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_ipv4(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->verbs.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV4_LAYER_TYPES,
+ MLX5_IPV4_IBV_RX_HASH);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV4;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
- flow_verbs_translate_item_ipv6(items, &item_flags,
- dev_flow);
- break;
- case RTE_FLOW_ITEM_TYPE_UDP:
- flow_verbs_translate_item_udp(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_ipv6(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L3;
+ dev_flow->verbs.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel,
+ MLX5_IPV6_LAYER_TYPES,
+ MLX5_IPV6_IBV_RX_HASH);
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
+ MLX5_FLOW_LAYER_OUTER_L3_IPV6;
break;
case RTE_FLOW_ITEM_TYPE_TCP:
- flow_verbs_translate_item_tcp(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_tcp(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->verbs.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_TCP,
+ (IBV_RX_HASH_SRC_PORT_TCP |
+ IBV_RX_HASH_DST_PORT_TCP));
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
+ MLX5_FLOW_LAYER_OUTER_L4_TCP;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ flow_verbs_translate_item_udp(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L4;
+ dev_flow->verbs.hash_fields |=
+ mlx5_flow_hashfields_adjust
+ (dev_flow, tunnel, ETH_RSS_UDP,
+ (IBV_RX_HASH_SRC_PORT_UDP |
+ IBV_RX_HASH_DST_PORT_UDP));
+ item_flags |= tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
+ MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
- flow_verbs_translate_item_vxlan(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_vxlan(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
- flow_verbs_translate_item_vxlan_gpe(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_vxlan_gpe(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= MLX5_FLOW_LAYER_VXLAN_GPE;
break;
case RTE_FLOW_ITEM_TYPE_GRE:
- flow_verbs_translate_item_gre(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_gre(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= MLX5_FLOW_LAYER_GRE;
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
- flow_verbs_translate_item_mpls(items, &item_flags,
- dev_flow);
+ flow_verbs_translate_item_mpls(dev_flow, items,
+ item_flags);
+ subpriority = MLX5_PRIORITY_MAP_L2;
+ item_flags |= MLX5_FLOW_LAYER_MPLS;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
@@ -1633,9 +1535,9 @@ flow_verbs_translate(struct rte_eth_dev *dev,
"item not supported");
}
}
+ dev_flow->layers = item_flags;
dev_flow->verbs.attr->priority =
- mlx5_flow_adjust_priority(dev, priority,
- dev_flow->verbs.attr->priority);
+ mlx5_flow_adjust_priority(dev, priority, subpriority);
return 0;
}
@@ -1669,10 +1571,6 @@ flow_verbs_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
verbs->hrxq = NULL;
}
}
- if (flow->counter) {
- flow_verbs_counter_release(flow->counter);
- flow->counter = NULL;
- }
}
/**
@@ -1696,6 +1594,10 @@ flow_verbs_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
LIST_REMOVE(dev_flow, next);
rte_free(dev_flow);
}
+ if (flow->counter) {
+ flow_verbs_counter_release(flow->counter);
+ flow->counter = NULL;
+ }
}
/**
diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c
index 1afb114f..dd10ad6d 100644
--- a/drivers/net/mlx5/mlx5_glue.c
+++ b/drivers/net/mlx5/mlx5_glue.c
@@ -174,6 +174,17 @@ mlx5_glue_destroy_flow(struct ibv_flow *flow_id)
return ibv_destroy_flow(flow_id);
}
+static int
+mlx5_glue_destroy_flow_action(struct ibv_flow_action *action)
+{
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ return ibv_destroy_flow_action(action);
+#else
+ (void)action;
+ return ENOTSUP;
+#endif
+}
+
static struct ibv_qp *
mlx5_glue_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr)
{
@@ -444,6 +455,30 @@ mlx5_glue_dv_destroy_flow_matcher(struct mlx5dv_flow_matcher *matcher)
#endif
}
+static struct ibv_flow_action *
+mlx5_glue_dv_create_flow_action_packet_reformat
+ (struct ibv_context *ctx,
+ size_t data_sz,
+ void *data,
+ enum mlx5dv_flow_action_packet_reformat_type reformat_type,
+ enum mlx5dv_flow_table_type ft_type)
+{
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ return mlx5dv_create_flow_action_packet_reformat(ctx,
+ data_sz,
+ data,
+ reformat_type,
+ ft_type);
+#else
+ (void)ctx;
+ (void)data_sz;
+ (void)data;
+ (void)reformat_type;
+ (void)ft_type;
+ return NULL;
+#endif
+}
+
alignas(RTE_CACHE_LINE_SIZE)
const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
.version = MLX5_GLUE_VERSION,
@@ -470,6 +505,7 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
.modify_wq = mlx5_glue_modify_wq,
.create_flow = mlx5_glue_create_flow,
.destroy_flow = mlx5_glue_destroy_flow,
+ .destroy_flow_action = mlx5_glue_destroy_flow_action,
.create_qp = mlx5_glue_create_qp,
.create_qp_ex = mlx5_glue_create_qp_ex,
.destroy_qp = mlx5_glue_destroy_qp,
@@ -497,4 +533,6 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
.dv_create_flow_matcher = mlx5_glue_dv_create_flow_matcher,
.dv_destroy_flow_matcher = mlx5_glue_dv_destroy_flow_matcher,
.dv_create_flow = mlx5_glue_dv_create_flow,
+ .dv_create_flow_action_packet_reformat =
+ mlx5_glue_dv_create_flow_action_packet_reformat,
};
diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h
index 44bfefed..2d92ba8b 100644
--- a/drivers/net/mlx5/mlx5_glue.h
+++ b/drivers/net/mlx5/mlx5_glue.h
@@ -50,6 +50,9 @@ struct mlx5dv_flow_matcher;
struct mlx5dv_flow_matcher_attr;
struct mlx5dv_flow_action_attr;
struct mlx5dv_flow_match_parameters;
+struct ibv_flow_action;
+enum mlx5dv_flow_action_packet_reformat_type { packet_reformat_type = 0, };
+enum mlx5dv_flow_table_type { flow_table_type = 0, };
#endif
/* LIB_GLUE_VERSION must be updated every time this structure is modified. */
@@ -91,6 +94,7 @@ struct mlx5_glue {
struct ibv_flow *(*create_flow)(struct ibv_qp *qp,
struct ibv_flow_attr *flow);
int (*destroy_flow)(struct ibv_flow *flow_id);
+ int (*destroy_flow_action)(struct ibv_flow_action *action);
struct ibv_qp *(*create_qp)(struct ibv_pd *pd,
struct ibv_qp_init_attr *qp_init_attr);
struct ibv_qp *(*create_qp_ex)
@@ -154,6 +158,12 @@ struct mlx5_glue {
struct mlx5dv_flow_match_parameters *match_value,
size_t num_actions,
struct mlx5dv_flow_action_attr *actions_attr);
+ struct ibv_flow_action *(*dv_create_flow_action_packet_reformat)
+ (struct ibv_context *ctx,
+ size_t data_sz,
+ void *data,
+ enum mlx5dv_flow_action_packet_reformat_type reformat_type,
+ enum mlx5dv_flow_table_type ft_type);
};
const struct mlx5_glue *mlx5_glue;
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index ed993ea6..eef48502 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -841,6 +841,12 @@ mlx5_rxq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
" timestamp",
dev->data->port_id);
}
+#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
+ if (config->cqe_pad) {
+ attr.cq.mlx5.comp_mask |= MLX5DV_CQ_INIT_ATTR_MASK_FLAGS;
+ attr.cq.mlx5.flags |= MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD;
+ }
+#endif
tmpl->cq = mlx5_glue->cq_ex_to_cq
(mlx5_glue->dv_create_cq(priv->ctx, &attr.cq.ibv,
&attr.cq.mlx5));
@@ -1758,6 +1764,8 @@ mlx5_ind_table_ibv_verify(struct rte_eth_dev *dev)
* first queue index will be taken for the indirection table.
* @param queues_n
* Number of queues.
+ * @param tunnel
+ * Tunnel type.
*
* @return
* The Verbs object initialised, NULL otherwise and rte_errno is set.
@@ -1773,6 +1781,9 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
struct mlx5_hrxq *hrxq;
struct mlx5_ind_table_ibv *ind_tbl;
struct ibv_qp *qp;
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+ struct mlx5dv_qp_init_attr qp_init_attr = {0};
+#endif
int err;
queues_n = hash_fields ? queues_n : 1;
@@ -1783,11 +1794,21 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
rte_errno = ENOMEM;
return NULL;
}
- if (!rss_key_len) {
- rss_key_len = MLX5_RSS_HASH_KEY_LEN;
- rss_key = rss_hash_default_key;
- }
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+ if (tunnel) {
+ qp_init_attr.comp_mask =
+ MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS;
+ qp_init_attr.create_flags = MLX5DV_QP_CREATE_TUNNEL_OFFLOADS;
+ }
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ if (dev->data->dev_conf.lpbk_mode) {
+ /* Allow packet sent from NIC loop back w/o source MAC check. */
+ qp_init_attr.comp_mask |=
+ MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS;
+ qp_init_attr.create_flags |=
+ MLX5DV_QP_CREATE_TIR_ALLOW_SELF_LOOPBACK_UC;
+ }
+#endif
qp = mlx5_glue->dv_create_qp
(priv->ctx,
&(struct ibv_qp_init_attr_ex){
@@ -1798,21 +1819,14 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
IBV_QP_INIT_ATTR_RX_HASH,
.rx_hash_conf = (struct ibv_rx_hash_conf){
.rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ,
- .rx_hash_key_len = rss_key_len ? rss_key_len :
- MLX5_RSS_HASH_KEY_LEN,
- .rx_hash_key = rss_key ?
- (void *)(uintptr_t)rss_key :
- rss_hash_default_key,
+ .rx_hash_key_len = rss_key_len,
+ .rx_hash_key = (void *)(uintptr_t)rss_key,
.rx_hash_fields_mask = hash_fields,
},
.rwq_ind_tbl = ind_tbl->ind_table,
.pd = priv->pd,
},
- &(struct mlx5dv_qp_init_attr){
- .comp_mask = tunnel ?
- MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS : 0,
- .create_flags = MLX5DV_QP_CREATE_TUNNEL_OFFLOADS,
- });
+ &qp_init_attr);
#else
qp = mlx5_glue->create_qp_ex
(priv->ctx,
@@ -1824,11 +1838,8 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
IBV_QP_INIT_ATTR_RX_HASH,
.rx_hash_conf = (struct ibv_rx_hash_conf){
.rx_hash_function = IBV_RX_HASH_FUNC_TOEPLITZ,
- .rx_hash_key_len = rss_key_len ? rss_key_len :
- MLX5_RSS_HASH_KEY_LEN,
- .rx_hash_key = rss_key ?
- (void *)(uintptr_t)rss_key :
- rss_hash_default_key,
+ .rx_hash_key_len = rss_key_len,
+ .rx_hash_key = (void *)(uintptr_t)rss_key,
.rx_hash_fields_mask = hash_fields,
},
.rwq_ind_tbl = ind_tbl->ind_table,
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 24a054d5..6eceea5f 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -417,20 +417,17 @@ mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset)
}
/**
- * DPDK callback to check the status of a rx descriptor.
+ * Internal function to compute the number of used descriptors in an RX queue
*
- * @param rx_queue
- * The rx queue.
- * @param[in] offset
- * The index of the descriptor in the ring.
+ * @param rxq
+ * The Rx queue.
*
* @return
- * The status of the tx descriptor.
+ * The number of used rx descriptor.
*/
-int
-mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset)
+static uint32_t
+rx_queue_count(struct mlx5_rxq_data *rxq)
{
- struct mlx5_rxq_data *rxq = rx_queue;
struct rxq_zip *zip = &rxq->zip;
volatile struct mlx5_cqe *cqe;
const unsigned int cqe_n = (1 << rxq->cqe_n);
@@ -461,12 +458,73 @@ mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset)
cqe = &(*rxq->cqes)[cq_ci & cqe_cnt];
}
used = RTE_MIN(used, (1U << rxq->elts_n) - 1);
- if (offset < used)
+ return used;
+}
+
+/**
+ * DPDK callback to check the status of a rx descriptor.
+ *
+ * @param rx_queue
+ * The Rx queue.
+ * @param[in] offset
+ * The index of the descriptor in the ring.
+ *
+ * @return
+ * The status of the tx descriptor.
+ */
+int
+mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct mlx5_rxq_data *rxq = rx_queue;
+ struct mlx5_rxq_ctrl *rxq_ctrl =
+ container_of(rxq, struct mlx5_rxq_ctrl, rxq);
+ struct rte_eth_dev *dev = ETH_DEV(rxq_ctrl->priv);
+
+ if (dev->rx_pkt_burst != mlx5_rx_burst) {
+ rte_errno = ENOTSUP;
+ return -rte_errno;
+ }
+ if (offset >= (1 << rxq->elts_n)) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ if (offset < rx_queue_count(rxq))
return RTE_ETH_RX_DESC_DONE;
return RTE_ETH_RX_DESC_AVAIL;
}
/**
+ * DPDK callback to get the number of used descriptors in a RX queue
+ *
+ * @param dev
+ * Pointer to the device structure.
+ *
+ * @param rx_queue_id
+ * The Rx queue.
+ *
+ * @return
+ * The number of used rx descriptor.
+ * -EINVAL if the queue is invalid
+ */
+uint32_t
+mlx5_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct mlx5_rxq_data *rxq;
+
+ if (dev->rx_pkt_burst != mlx5_rx_burst) {
+ rte_errno = ENOTSUP;
+ return -rte_errno;
+ }
+ rxq = (*priv->rxqs)[rx_queue_id];
+ if (!rxq) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ return rx_queue_count(rxq);
+}
+
+/**
* DPDK callback for TX.
*
* @param dpdk_txq
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 1db468c3..1b6200f6 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -345,6 +345,7 @@ uint16_t removed_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts,
uint16_t pkts_n);
int mlx5_rx_descriptor_status(void *rx_queue, uint16_t offset);
int mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset);
+uint32_t mlx5_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id);
/* Vectorized version of mlx5_rxtx.c */
int mlx5_check_raw_vec_tx_support(struct rte_eth_dev *dev);
diff --git a/drivers/net/mlx5/mlx5_rxtx_vec.c b/drivers/net/mlx5/mlx5_rxtx_vec.c
index 1453f4ff..340292ad 100644
--- a/drivers/net/mlx5/mlx5_rxtx_vec.c
+++ b/drivers/net/mlx5/mlx5_rxtx_vec.c
@@ -277,7 +277,7 @@ mlx5_check_vec_tx_support(struct rte_eth_dev *dev)
uint64_t offloads = dev->data->dev_conf.txmode.offloads;
if (!priv->config.tx_vec_en ||
- priv->txqs_n > MLX5_VPMD_MIN_TXQS ||
+ priv->txqs_n > (unsigned int)priv->config.txqs_vec ||
priv->config.mps != MLX5_MPW_ENHANCED ||
offloads & ~MLX5_VEC_TX_OFFLOAD_CAP)
return -ENOTSUP;