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authorLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:42:05 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:46:04 +0100
commitf239aed5e674965691846e8ce3f187dd47523689 (patch)
treea153a3125c6e183c73871a8ecaa4b285fed5fbd5 /drivers/net/mlx5
parentbf7567fd2a5b0b28ab724046143c24561d38d015 (diff)
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/mlx5')
-rw-r--r--drivers/net/mlx5/Makefile10
-rw-r--r--drivers/net/mlx5/mlx5.c28
-rw-r--r--drivers/net/mlx5/mlx5.h5
-rw-r--r--drivers/net/mlx5/mlx5_defs.h18
-rw-r--r--drivers/net/mlx5/mlx5_ethdev.c200
-rw-r--r--drivers/net/mlx5/mlx5_fdir.c1
-rw-r--r--drivers/net/mlx5/mlx5_flow.c50
-rw-r--r--drivers/net/mlx5/mlx5_mac.c2
-rw-r--r--drivers/net/mlx5/mlx5_mr.c17
-rw-r--r--drivers/net/mlx5/mlx5_rxmode.c2
-rw-r--r--drivers/net/mlx5/mlx5_rxq.c263
-rw-r--r--drivers/net/mlx5/mlx5_rxtx.c667
-rw-r--r--drivers/net/mlx5/mlx5_rxtx.h297
-rw-r--r--drivers/net/mlx5/mlx5_rxtx_vec_sse.c1417
-rw-r--r--drivers/net/mlx5/mlx5_trigger.c19
-rw-r--r--drivers/net/mlx5/mlx5_txq.c24
16 files changed, 2296 insertions, 724 deletions
diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index c0799591..8736de5d 100644
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -39,6 +39,9 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rxq.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_txq.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rxtx.c
+ifeq ($(CONFIG_RTE_ARCH_X86_64),y)
+SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rxtx_vec_sse.c
+endif
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_trigger.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_ethdev.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_mac.c
@@ -52,7 +55,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_flow.c
# Basic CFLAGS.
CFLAGS += -O3
-CFLAGS += -std=gnu99 -Wall -Wextra
+CFLAGS += -std=c11 -Wall -Wextra
CFLAGS += -g
CFLAGS += -I.
CFLAGS += -D_BSD_SOURCE
@@ -101,6 +104,11 @@ mlx5_autoconf.h.new: FORCE
mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
$Q $(RM) -f -- '$@'
$Q sh -- '$<' '$@' \
+ HAVE_VERBS_IBV_EXP_FLOW_SPEC_ACTION_DROP \
+ infiniband/verbs_exp.h \
+ enum IBV_EXP_FLOW_SPEC_ACTION_DROP \
+ $(AUTOCONF_OUTPUT)
+ $Q sh -- '$<' '$@' \
HAVE_VERBS_IBV_EXP_CQ_COMPRESSED_CQE \
infiniband/verbs_exp.h \
enum IBV_EXP_CQ_COMPRESSED_CQE \
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index bcb2c1b2..b7e50463 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -94,6 +94,12 @@
/* Device parameter to enable hardware TSO offload. */
#define MLX5_TSO "tso"
+/* Device parameter to enable hardware Tx vector. */
+#define MLX5_TX_VEC_EN "tx_vec_en"
+
+/* Device parameter to enable hardware Rx vector. */
+#define MLX5_RX_VEC_EN "rx_vec_en"
+
/* Default PMD specific parameter value. */
#define MLX5_ARG_UNSET (-1)
@@ -105,6 +111,8 @@ struct mlx5_args {
int mpw_hdr_dseg;
int inline_max_packet_sz;
int tso;
+ int tx_vec_en;
+ int rx_vec_en;
};
/**
* Retrieve integer value from environment variable.
@@ -246,8 +254,10 @@ static 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,
+#ifdef HAVE_UPDATE_CQ_CI
.rx_queue_intr_enable = mlx5_rx_intr_enable,
.rx_queue_intr_disable = mlx5_rx_intr_disable,
+#endif
};
static struct {
@@ -322,6 +332,10 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
args->inline_max_packet_sz = tmp;
} else if (strcmp(MLX5_TSO, key) == 0) {
args->tso = !!tmp;
+ } else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
+ args->tx_vec_en = !!tmp;
+ } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
+ args->rx_vec_en = !!tmp;
} else {
WARN("%s: unknown parameter", key);
return -EINVAL;
@@ -351,6 +365,8 @@ mlx5_args(struct mlx5_args *args, struct rte_devargs *devargs)
MLX5_TXQ_MPW_HDR_DSEG_EN,
MLX5_TXQ_MAX_INLINE_LEN,
MLX5_TSO,
+ MLX5_TX_VEC_EN,
+ MLX5_RX_VEC_EN,
NULL,
};
struct rte_kvargs *kvlist;
@@ -406,6 +422,10 @@ mlx5_args_assign(struct priv *priv, struct mlx5_args *args)
priv->inline_max_packet_sz = args->inline_max_packet_sz;
if (args->tso != MLX5_ARG_UNSET)
priv->tso = args->tso;
+ if (args->tx_vec_en != MLX5_ARG_UNSET)
+ priv->tx_vec_en = args->tx_vec_en;
+ if (args->rx_vec_en != MLX5_ARG_UNSET)
+ priv->rx_vec_en = args->rx_vec_en;
}
/**
@@ -551,6 +571,8 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
.mpw_hdr_dseg = MLX5_ARG_UNSET,
.inline_max_packet_sz = MLX5_ARG_UNSET,
.tso = MLX5_ARG_UNSET,
+ .tx_vec_en = MLX5_ARG_UNSET,
+ .rx_vec_en = MLX5_ARG_UNSET,
};
exp_device_attr.comp_mask =
@@ -613,6 +635,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
priv->mps = mps; /* Enable MPW by default if supported. */
priv->cqe_comp = 1; /* Enable compression by default. */
priv->tunnel_en = tunnel_en;
+ /* Enable vector by default if supported. */
+ priv->tx_vec_en = 1;
+ priv->rx_vec_en = 1;
err = mlx5_args(&args, pci_dev->device.devargs);
if (err) {
ERROR("failed to process device arguments: %s",
@@ -786,6 +811,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
eth_dev->device = &pci_dev->device;
rte_eth_copy_pci_info(eth_dev, pci_dev);
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
eth_dev->device->driver = &mlx5_driver.driver;
priv->dev = eth_dev;
eth_dev->dev_ops = &mlx5_dev_ops;
@@ -885,6 +911,8 @@ RTE_INIT(rte_mlx5_pmd_init);
static void
rte_mlx5_pmd_init(void)
{
+ /* Build the static table for ptype conversion. */
+ mlx5_set_ptype_table();
/*
* RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
* huge pages. Calling ibv_fork_init() during init allows
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 1148dee3..43c53841 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -54,6 +54,7 @@
#ifdef PEDANTIC
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
+#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_spinlock.h>
@@ -129,6 +130,9 @@ struct priv {
unsigned int pending_alarm:1; /* An alarm is pending. */
unsigned int tso:1; /* Whether TSO is supported. */
unsigned int tunnel_en:1;
+ unsigned int isolated:1; /* Whether isolated mode is enabled. */
+ unsigned int tx_vec_en:1; /* Whether Tx vector is enabled. */
+ unsigned int rx_vec_en:1; /* Whether Rx vector is enabled. */
/* Whether Tx offloads for tunneled packets are supported. */
unsigned int max_tso_payload_sz; /* Maximum TCP payload for TSO. */
unsigned int txq_inline; /* Maximum packet size for inlining. */
@@ -311,6 +315,7 @@ struct rte_flow *mlx5_flow_create(struct rte_eth_dev *,
int mlx5_flow_destroy(struct rte_eth_dev *, struct rte_flow *,
struct rte_flow_error *);
int mlx5_flow_flush(struct rte_eth_dev *, struct rte_flow_error *);
+int mlx5_flow_isolate(struct rte_eth_dev *, int, struct rte_flow_error *);
int priv_flow_start(struct priv *);
void priv_flow_stop(struct priv *);
int priv_flow_rxq_in_use(struct priv *, struct rxq *);
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index 201bb336..a76bc6f6 100644
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -89,4 +89,22 @@
/* Maximum Packet headers size (L2+L3+L4) for TSO. */
#define MLX5_MAX_TSO_HEADER 128
+/* Default minimum number of Tx queues for vectorized Tx. */
+#define MLX5_VPMD_MIN_TXQS 4
+
+/* Threshold of buffer replenishment for vectorized Rx. */
+#define MLX5_VPMD_RXQ_RPLNSH_THRESH 64U
+
+/* Maximum size of burst for vectorized Rx. */
+#define MLX5_VPMD_RX_MAX_BURST MLX5_VPMD_RXQ_RPLNSH_THRESH
+
+/*
+ * Maximum size of burst for vectorized Tx. This is related to the maximum size
+ * of Enhaned MPW (eMPW) WQE as vectorized Tx is supported with eMPW.
+ */
+#define MLX5_VPMD_TX_MAX_BURST 32U
+
+/* Number of packets vectorized Rx can simultaneously process in a loop. */
+#define MLX5_VPMD_DESCS_PER_LOOP 4
+
#endif /* RTE_PMD_MLX5_DEFS_H_ */
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 3fd22cb8..b0eb3cdf 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -119,6 +119,7 @@ struct ethtool_link_settings {
#define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38
#define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39
#endif
+#define ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32 (SCHAR_MAX)
/**
* Return private structure associated with an Ethernet device.
@@ -661,7 +662,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
unsigned int max;
char ifname[IF_NAMESIZE];
- info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+ info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
priv_lock(priv);
/* FIXME: we should ask the device for these values. */
@@ -715,15 +716,24 @@ mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
static const uint32_t ptypes[] = {
/* refers to rxq_cq_to_pkt_type() */
+ RTE_PTYPE_L2_ETHER,
RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_L4_NONFRAG,
+ RTE_PTYPE_L4_FRAG,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP,
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_INNER_L4_NONFRAG,
+ RTE_PTYPE_INNER_L4_FRAG,
+ RTE_PTYPE_INNER_L4_TCP,
+ RTE_PTYPE_INNER_L4_UDP,
RTE_PTYPE_UNKNOWN
-
};
- if (dev->rx_pkt_burst == mlx5_rx_burst)
+ if (dev->rx_pkt_burst == mlx5_rx_burst ||
+ dev->rx_pkt_burst == mlx5_rx_burst_vec)
return ptypes;
return NULL;
}
@@ -806,9 +816,12 @@ static int
mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete)
{
struct priv *priv = mlx5_get_priv(dev);
- struct ethtool_link_settings edata = {
- .cmd = ETHTOOL_GLINKSETTINGS,
- };
+ __extension__ struct {
+ struct ethtool_link_settings edata;
+ uint32_t link_mode_data[3 *
+ ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32];
+ } ecmd;
+
struct ifreq ifr;
struct rte_eth_link dev_link;
uint64_t sc;
@@ -821,15 +834,23 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete)
memset(&dev_link, 0, sizeof(dev_link));
dev_link.link_status = ((ifr.ifr_flags & IFF_UP) &&
(ifr.ifr_flags & IFF_RUNNING));
- ifr.ifr_data = (void *)&edata;
+ memset(&ecmd, 0, sizeof(ecmd));
+ ecmd.edata.cmd = ETHTOOL_GLINKSETTINGS;
+ ifr.ifr_data = (void *)&ecmd;
+ if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
+ DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s",
+ strerror(errno));
+ return -1;
+ }
+ ecmd.edata.link_mode_masks_nwords = -ecmd.edata.link_mode_masks_nwords;
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s",
strerror(errno));
return -1;
}
- dev_link.link_speed = edata.speed;
- sc = edata.link_mode_masks[0] |
- ((uint64_t)edata.link_mode_masks[1] << 32);
+ dev_link.link_speed = ecmd.edata.speed;
+ sc = ecmd.edata.link_mode_masks[0] |
+ ((uint64_t)ecmd.edata.link_mode_masks[1] << 32);
priv->link_speed_capa = 0;
if (sc & ETHTOOL_LINK_MODE_Autoneg_BIT)
priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
@@ -865,7 +886,7 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete)
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT |
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT))
priv->link_speed_capa |= ETH_LINK_SPEED_100G;
- dev_link.link_duplex = ((edata.duplex == DUPLEX_HALF) ?
+ dev_link.link_duplex = ((ecmd.edata.duplex == DUPLEX_HALF) ?
ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX);
dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
ETH_LINK_SPEED_FIXED);
@@ -903,12 +924,6 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
/**
* DPDK callback to change the MTU.
*
- * Setting the MTU affects hardware MRU (packets larger than the MTU cannot be
- * received). Use this as a hint to enable/disable scattered packets support
- * and improve performance when not needed.
- * Since failure is not an option, reconfiguring queues on the fly is not
- * recommended.
- *
* @param dev
* Pointer to Ethernet device structure.
* @param in_mtu
@@ -921,123 +936,33 @@ int
mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
{
struct priv *priv = dev->data->dev_private;
+ uint16_t kern_mtu;
int ret = 0;
- unsigned int i;
- uint16_t (*rx_func)(void *, struct rte_mbuf **, uint16_t) =
- mlx5_rx_burst;
- unsigned int max_frame_len;
- int rehash;
- int restart = priv->started;
if (mlx5_is_secondary())
return -E_RTE_SECONDARY;
priv_lock(priv);
+ ret = priv_get_mtu(priv, &kern_mtu);
+ if (ret)
+ goto out;
/* Set kernel interface MTU first. */
- if (priv_set_mtu(priv, mtu)) {
- ret = errno;
- WARN("cannot set port %u MTU to %u: %s", priv->port, mtu,
- strerror(ret));
+ ret = priv_set_mtu(priv, mtu);
+ if (ret)
goto out;
- } else
+ ret = priv_get_mtu(priv, &kern_mtu);
+ if (ret)
+ goto out;
+ if (kern_mtu == mtu) {
+ priv->mtu = mtu;
DEBUG("adapter port %u MTU set to %u", priv->port, mtu);
- /* Temporarily replace RX handler with a fake one, assuming it has not
- * been copied elsewhere. */
- dev->rx_pkt_burst = removed_rx_burst;
- /* Make sure everyone has left mlx5_rx_burst() and uses
- * removed_rx_burst() instead. */
- rte_wmb();
- usleep(1000);
- /* MTU does not include header and CRC. */
- max_frame_len = ETHER_HDR_LEN + mtu + ETHER_CRC_LEN;
- /* Check if at least one queue is going to need a SGE update. */
- for (i = 0; i != priv->rxqs_n; ++i) {
- struct rxq *rxq = (*priv->rxqs)[i];
- unsigned int mb_len;
- unsigned int size = RTE_PKTMBUF_HEADROOM + max_frame_len;
- unsigned int sges_n;
-
- if (rxq == NULL)
- continue;
- mb_len = rte_pktmbuf_data_room_size(rxq->mp);
- assert(mb_len >= RTE_PKTMBUF_HEADROOM);
- /*
- * Determine the number of SGEs needed for a full packet
- * and round it to the next power of two.
- */
- sges_n = log2above((size / mb_len) + !!(size % mb_len));
- if (sges_n != rxq->sges_n)
- break;
- }
- /*
- * If all queues have the right number of SGEs, a simple rehash
- * of their buffers is enough, otherwise SGE information can only
- * be updated in a queue by recreating it. All resources that depend
- * on queues (flows, indirection tables) must be recreated as well in
- * that case.
- */
- rehash = (i == priv->rxqs_n);
- if (!rehash) {
- /* Clean up everything as with mlx5_dev_stop(). */
- priv_special_flow_disable_all(priv);
- priv_mac_addrs_disable(priv);
- priv_destroy_hash_rxqs(priv);
- priv_fdir_disable(priv);
- priv_dev_interrupt_handler_uninstall(priv, dev);
}
-recover:
- /* Reconfigure each RX queue. */
- for (i = 0; (i != priv->rxqs_n); ++i) {
- struct rxq *rxq = (*priv->rxqs)[i];
- struct rxq_ctrl *rxq_ctrl =
- container_of(rxq, struct rxq_ctrl, rxq);
- unsigned int mb_len;
- unsigned int tmp;
-
- if (rxq == NULL)
- continue;
- mb_len = rte_pktmbuf_data_room_size(rxq->mp);
- assert(mb_len >= RTE_PKTMBUF_HEADROOM);
- /* Provide new values to rxq_setup(). */
- dev->data->dev_conf.rxmode.jumbo_frame =
- (max_frame_len > ETHER_MAX_LEN);
- dev->data->dev_conf.rxmode.max_rx_pkt_len = max_frame_len;
- if (rehash)
- ret = rxq_rehash(dev, rxq_ctrl);
- else
- ret = rxq_ctrl_setup(dev, rxq_ctrl, 1 << rxq->elts_n,
- rxq_ctrl->socket, NULL, rxq->mp);
- if (!ret)
- continue;
- /* Attempt to roll back in case of error. */
- tmp = (mb_len << rxq->sges_n) - RTE_PKTMBUF_HEADROOM;
- if (max_frame_len != tmp) {
- max_frame_len = tmp;
- goto recover;
- }
- /* Double fault, disable RX. */
- break;
- }
- /*
- * Use a safe RX burst function in case of error, otherwise mimic
- * mlx5_dev_start().
- */
- if (ret) {
- ERROR("unable to reconfigure RX queues, RX disabled");
- rx_func = removed_rx_burst;
- } else if (restart &&
- !rehash &&
- !priv_create_hash_rxqs(priv) &&
- !priv_rehash_flows(priv)) {
- if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_NONE)
- priv_fdir_enable(priv);
- priv_dev_interrupt_handler_install(priv, dev);
- }
- priv->mtu = mtu;
- /* Burst functions can now be called again. */
- rte_wmb();
- dev->rx_pkt_burst = rx_func;
+ priv_unlock(priv);
+ return 0;
out:
+ ret = errno;
+ WARN("cannot set port %u MTU to %u: %s", priv->port, mtu,
+ strerror(ret));
priv_unlock(priv);
assert(ret >= 0);
return -ret;
@@ -1185,7 +1110,7 @@ mlx5_ibv_device_to_pci_addr(const struct ibv_device *device,
/* Extract information. */
if (sscanf(line,
"PCI_SLOT_NAME="
- "%" SCNx16 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n",
+ "%" SCNx32 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n",
&pci_addr->domain,
&pci_addr->bus,
&pci_addr->devid,
@@ -1262,7 +1187,8 @@ mlx5_dev_link_status_handler(void *arg)
ret = priv_dev_link_status_handler(priv, dev);
priv_unlock(priv);
if (ret)
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL,
+ NULL);
}
/**
@@ -1284,7 +1210,8 @@ mlx5_dev_interrupt_handler(void *cb_arg)
ret = priv_dev_link_status_handler(priv, dev);
priv_unlock(priv);
if (ret)
- _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL,
+ NULL);
}
/**
@@ -1584,9 +1511,16 @@ priv_select_tx_function(struct priv *priv)
priv->dev->tx_pkt_burst = mlx5_tx_burst;
/* Select appropriate TX function. */
if (priv->mps == MLX5_MPW_ENHANCED) {
- priv->dev->tx_pkt_burst =
- mlx5_tx_burst_empw;
- DEBUG("selected Enhanced MPW TX function");
+ if (priv_check_vec_tx_support(priv) > 0) {
+ if (priv_check_raw_vec_tx_support(priv) > 0)
+ priv->dev->tx_pkt_burst = mlx5_tx_burst_raw_vec;
+ else
+ priv->dev->tx_pkt_burst = mlx5_tx_burst_vec;
+ DEBUG("selected Enhanced MPW TX vectorized function");
+ } else {
+ priv->dev->tx_pkt_burst = mlx5_tx_burst_empw;
+ DEBUG("selected Enhanced MPW TX function");
+ }
} else if (priv->mps && priv->txq_inline) {
priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline;
DEBUG("selected MPW inline TX function");
@@ -1605,5 +1539,11 @@ priv_select_tx_function(struct priv *priv)
void
priv_select_rx_function(struct priv *priv)
{
- priv->dev->rx_pkt_burst = mlx5_rx_burst;
+ if (priv_check_vec_rx_support(priv) > 0) {
+ priv_prep_vec_rx_function(priv);
+ priv->dev->rx_pkt_burst = mlx5_rx_burst_vec;
+ DEBUG("selected RX vectorized function");
+ } else {
+ priv->dev->rx_pkt_burst = mlx5_rx_burst;
+ }
}
diff --git a/drivers/net/mlx5/mlx5_fdir.c b/drivers/net/mlx5/mlx5_fdir.c
index c8d47489..34a7e69f 100644
--- a/drivers/net/mlx5/mlx5_fdir.c
+++ b/drivers/net/mlx5/mlx5_fdir.c
@@ -1053,6 +1053,7 @@ static const struct rte_flow_ops mlx5_flow_ops = {
.destroy = mlx5_flow_destroy,
.flush = mlx5_flow_flush,
.query = NULL,
+ .isolate = mlx5_flow_isolate,
};
/**
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 8b3957ba..86be9291 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -53,7 +53,11 @@
#include "mlx5_prm.h"
/* Number of Work Queue necessary for the DROP queue. */
+#ifndef HAVE_VERBS_IBV_EXP_FLOW_SPEC_ACTION_DROP
#define MLX5_DROP_WQ_N 4
+#else
+#define MLX5_DROP_WQ_N 1
+#endif
static int
mlx5_flow_create_eth(const struct rte_flow_item *item,
@@ -576,6 +580,10 @@ priv_flow_validate(struct priv *priv,
}
if (action->mark && !flow->ibv_attr && !action->drop)
flow->offset += sizeof(struct ibv_exp_flow_spec_action_tag);
+#ifdef HAVE_VERBS_IBV_EXP_FLOW_SPEC_ACTION_DROP
+ if (!flow->ibv_attr && action->drop)
+ flow->offset += sizeof(struct ibv_exp_flow_spec_action_drop);
+#endif
if (!action->queue && !action->drop) {
rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "no valid action");
@@ -993,6 +1001,10 @@ priv_flow_create_action_queue_drop(struct priv *priv,
struct rte_flow_error *error)
{
struct rte_flow *rte_flow;
+#ifdef HAVE_VERBS_IBV_EXP_FLOW_SPEC_ACTION_DROP
+ struct ibv_exp_flow_spec_action_drop *drop;
+ unsigned int size = sizeof(struct ibv_exp_flow_spec_action_drop);
+#endif
assert(priv->pd);
assert(priv->ctx);
@@ -1003,10 +1015,19 @@ priv_flow_create_action_queue_drop(struct priv *priv,
return NULL;
}
rte_flow->drop = 1;
+#ifdef HAVE_VERBS_IBV_EXP_FLOW_SPEC_ACTION_DROP
+ drop = (void *)((uintptr_t)flow->ibv_attr + flow->offset);
+ *drop = (struct ibv_exp_flow_spec_action_drop){
+ .type = IBV_EXP_FLOW_SPEC_ACTION_DROP,
+ .size = size,
+ };
+ ++flow->ibv_attr->num_of_specs;
+ flow->offset += sizeof(struct ibv_exp_flow_spec_action_drop);
+#endif
rte_flow->ibv_attr = flow->ibv_attr;
- rte_flow->qp = priv->flow_drop_queue->qp;
if (!priv->started)
return rte_flow;
+ rte_flow->qp = priv->flow_drop_queue->qp;
rte_flow->ibv_flow = ibv_exp_create_flow(rte_flow->qp,
rte_flow->ibv_attr);
if (!rte_flow->ibv_flow) {
@@ -1579,3 +1600,30 @@ priv_flow_rxq_in_use(struct priv *priv, struct rxq *rxq)
}
return 0;
}
+
+/**
+ * Isolated mode.
+ *
+ * @see rte_flow_isolate()
+ * @see rte_flow_ops
+ */
+int
+mlx5_flow_isolate(struct rte_eth_dev *dev,
+ int enable,
+ struct rte_flow_error *error)
+{
+ struct priv *priv = dev->data->dev_private;
+
+ priv_lock(priv);
+ if (priv->started) {
+ rte_flow_error_set(error, EBUSY,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "port must be stopped first");
+ priv_unlock(priv);
+ return -rte_errno;
+ }
+ priv->isolated = !!enable;
+ priv_unlock(priv);
+ return 0;
+}
diff --git a/drivers/net/mlx5/mlx5_mac.c b/drivers/net/mlx5/mlx5_mac.c
index 79e0c410..8489ea67 100644
--- a/drivers/net/mlx5/mlx5_mac.c
+++ b/drivers/net/mlx5/mlx5_mac.c
@@ -443,6 +443,8 @@ priv_mac_addrs_enable(struct priv *priv)
unsigned int i;
int ret;
+ if (priv->isolated)
+ return 0;
if (!priv_allow_flow_type(priv, HASH_RXQ_FLOW_TYPE_MAC))
return 0;
for (i = 0; (i != priv->hash_rxqs_n); ++i) {
diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
index 0a363846..28733517 100644
--- a/drivers/net/mlx5/mlx5_mr.c
+++ b/drivers/net/mlx5/mlx5_mr.c
@@ -207,7 +207,8 @@ txq_mp2mr_reg(struct txq *txq, struct rte_mempool *mp, unsigned int idx)
sizeof(txq_ctrl->txq.mp2mr[0])));
}
/* Store the new entry. */
- txq_ctrl->txq.mp2mr[idx].mp = mp;
+ txq_ctrl->txq.mp2mr[idx].start = (uintptr_t)mr->addr;
+ txq_ctrl->txq.mp2mr[idx].end = (uintptr_t)mr->addr + mr->length;
txq_ctrl->txq.mp2mr[idx].mr = mr;
txq_ctrl->txq.mp2mr[idx].lkey = htonl(mr->lkey);
DEBUG("%p: new MR lkey for MP \"%s\" (%p): 0x%08" PRIu32,
@@ -265,18 +266,28 @@ txq_mp2mr_iter(struct rte_mempool *mp, void *arg)
struct txq_mp2mr_mbuf_check_data data = {
.ret = 0,
};
+ uintptr_t start;
+ uintptr_t end;
unsigned int i;
/* Register mempool only if the first element looks like a mbuf. */
if (rte_mempool_obj_iter(mp, txq_mp2mr_mbuf_check, &data) == 0 ||
data.ret == -1)
return;
+ if (mlx5_check_mempool(mp, &start, &end) != 0) {
+ ERROR("mempool %p: not virtually contiguous",
+ (void *)mp);
+ return;
+ }
for (i = 0; (i != RTE_DIM(txq_ctrl->txq.mp2mr)); ++i) {
- if (unlikely(txq_ctrl->txq.mp2mr[i].mp == NULL)) {
+ struct ibv_mr *mr = txq_ctrl->txq.mp2mr[i].mr;
+
+ if (unlikely(mr == NULL)) {
/* Unknown MP, add a new MR for it. */
break;
}
- if (txq_ctrl->txq.mp2mr[i].mp == mp)
+ if (start >= (uintptr_t)mr->addr &&
+ end <= (uintptr_t)mr->addr + mr->length)
return;
}
txq_mp2mr_reg(&txq_ctrl->txq, mp, i);
diff --git a/drivers/net/mlx5/mlx5_rxmode.c b/drivers/net/mlx5/mlx5_rxmode.c
index 173e6e84..a67e5426 100644
--- a/drivers/net/mlx5/mlx5_rxmode.c
+++ b/drivers/net/mlx5/mlx5_rxmode.c
@@ -347,6 +347,8 @@ priv_special_flow_enable_all(struct priv *priv)
{
enum hash_rxq_flow_type flow_type;
+ if (priv->isolated)
+ return 0;
for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC;
flow_type != HASH_RXQ_FLOW_TYPE_MAC;
++flow_type) {
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 2a268398..74387a79 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -363,6 +363,8 @@ priv_create_hash_rxqs(struct priv *priv)
assert(priv->hash_rxqs_n == 0);
assert(priv->pd != NULL);
assert(priv->ctx != NULL);
+ if (priv->isolated)
+ return 0;
if (priv->rxqs_n == 0)
return EINVAL;
assert(priv->rxqs != NULL);
@@ -632,6 +634,32 @@ priv_rehash_flows(struct priv *priv)
}
/**
+ * Unlike regular Rx function, vPMD Rx doesn't replace mbufs immediately when
+ * receiving packets. Instead it replaces later in bulk. In rxq->elts[], entries
+ * from rq_pi to rq_ci are owned by device but the rest is already delivered to
+ * application. In order not to reuse those mbufs by rxq_alloc_elts(), this
+ * function must be called to replace used mbufs.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ */
+static void
+rxq_trim_elts(struct rxq *rxq)
+{
+ const uint16_t q_n = (1 << rxq->elts_n);
+ const uint16_t q_mask = q_n - 1;
+ uint16_t used = q_n - (rxq->rq_ci - rxq->rq_pi);
+ uint16_t i;
+
+ if (!rxq->trim_elts)
+ return;
+ for (i = 0; i < used; ++i)
+ (*rxq->elts)[(rxq->rq_ci + i) & q_mask] = NULL;
+ rxq->trim_elts = 0;
+ return;
+}
+
+/**
* Allocate RX queue elements.
*
* @param rxq_ctrl
@@ -659,15 +687,13 @@ rxq_alloc_elts(struct rxq_ctrl *rxq_ctrl, unsigned int elts_n,
volatile struct mlx5_wqe_data_seg *scat =
&(*rxq_ctrl->rxq.wqes)[i];
- if (pool != NULL) {
- buf = (*pool)[i];
- assert(buf != NULL);
+ buf = (pool != NULL) ? (*pool)[i] : NULL;
+ if (buf != NULL) {
rte_pktmbuf_reset(buf);
rte_pktmbuf_refcnt_update(buf, 1);
} else
buf = rte_pktmbuf_alloc(rxq_ctrl->rxq.mp);
if (buf == NULL) {
- assert(pool == NULL);
ERROR("%p: empty mbuf pool", (void *)rxq_ctrl);
ret = ENOMEM;
goto error;
@@ -722,6 +748,7 @@ rxq_free_elts(struct rxq_ctrl *rxq_ctrl)
{
unsigned int i;
+ rxq_trim_elts(&rxq_ctrl->rxq);
DEBUG("%p: freeing WRs", (void *)rxq_ctrl);
if (rxq_ctrl->rxq.elts == NULL)
return;
@@ -760,72 +787,6 @@ rxq_cleanup(struct rxq_ctrl *rxq_ctrl)
}
/**
- * Reconfigure RX queue buffers.
- *
- * rxq_rehash() does not allocate mbufs, which, if not done from the right
- * thread (such as a control thread), may corrupt the pool.
- * In case of failure, the queue is left untouched.
- *
- * @param dev
- * Pointer to Ethernet device structure.
- * @param rxq_ctrl
- * RX queue pointer.
- *
- * @return
- * 0 on success, errno value on failure.
- */
-int
-rxq_rehash(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl)
-{
- unsigned int elts_n = 1 << rxq_ctrl->rxq.elts_n;
- unsigned int i;
- struct ibv_exp_wq_attr mod;
- int err;
-
- DEBUG("%p: rehashing queue %p with %u SGE(s) per packet",
- (void *)dev, (void *)rxq_ctrl, 1 << rxq_ctrl->rxq.sges_n);
- assert(!(elts_n % (1 << rxq_ctrl->rxq.sges_n)));
- /* From now on, any failure will render the queue unusable.
- * Reinitialize WQ. */
- mod = (struct ibv_exp_wq_attr){
- .attr_mask = IBV_EXP_WQ_ATTR_STATE,
- .wq_state = IBV_EXP_WQS_RESET,
- };
- err = ibv_exp_modify_wq(rxq_ctrl->wq, &mod);
- if (err) {
- ERROR("%p: cannot reset WQ: %s", (void *)dev, strerror(err));
- assert(err > 0);
- return err;
- }
- /* Snatch mbufs from original queue. */
- claim_zero(rxq_alloc_elts(rxq_ctrl, elts_n, rxq_ctrl->rxq.elts));
- for (i = 0; i != elts_n; ++i) {
- struct rte_mbuf *buf = (*rxq_ctrl->rxq.elts)[i];
-
- assert(rte_mbuf_refcnt_read(buf) == 2);
- rte_pktmbuf_free_seg(buf);
- }
- /* Change queue state to ready. */
- mod = (struct ibv_exp_wq_attr){
- .attr_mask = IBV_EXP_WQ_ATTR_STATE,
- .wq_state = IBV_EXP_WQS_RDY,
- };
- err = ibv_exp_modify_wq(rxq_ctrl->wq, &mod);
- if (err) {
- ERROR("%p: WQ state to IBV_EXP_WQS_RDY failed: %s",
- (void *)dev, strerror(err));
- goto error;
- }
- /* Update doorbell counter. */
- rxq_ctrl->rxq.rq_ci = elts_n >> rxq_ctrl->rxq.sges_n;
- rte_wmb();
- *rxq_ctrl->rxq.rq_db = htonl(rxq_ctrl->rxq.rq_ci);
-error:
- assert(err >= 0);
- return err;
-}
-
-/**
* Initialize RX queue.
*
* @param tmpl
@@ -858,6 +819,7 @@ rxq_setup(struct rxq_ctrl *tmpl)
tmpl->rxq.cqe_n = log2above(cq_info.cqe_cnt);
tmpl->rxq.cq_ci = 0;
tmpl->rxq.rq_ci = 0;
+ tmpl->rxq.rq_pi = 0;
tmpl->rxq.cq_db = cq_info.dbrec;
tmpl->rxq.wqes =
(volatile struct mlx5_wqe_data_seg (*)[])
@@ -888,7 +850,7 @@ rxq_setup(struct rxq_ctrl *tmpl)
* @return
* 0 on success, errno value on failure.
*/
-int
+static int
rxq_ctrl_setup(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl,
uint16_t desc, unsigned int socket,
const struct rte_eth_rxconf *conf, struct rte_mempool *mp)
@@ -978,10 +940,10 @@ rxq_ctrl_setup(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl,
if (dev->data->dev_conf.intr_conf.rxq) {
tmpl.channel = ibv_create_comp_channel(priv->ctx);
if (tmpl.channel == NULL) {
- dev->data->dev_conf.intr_conf.rxq = 0;
ret = ENOMEM;
- ERROR("%p: Comp Channel creation failure: %s",
- (void *)dev, strerror(ret));
+ ERROR("%p: Rx interrupt completion channel creation"
+ " failure: %s",
+ (void *)dev, strerror(ret));
goto error;
}
}
@@ -991,7 +953,12 @@ rxq_ctrl_setup(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl,
if (priv->cqe_comp) {
attr.cq.comp_mask |= IBV_EXP_CQ_INIT_ATTR_FLAGS;
attr.cq.flags |= IBV_EXP_CQ_COMPRESSED_CQE;
- cqe_n = (desc * 2) - 1; /* Double the number of CQEs. */
+ /*
+ * For vectorized Rx, it must not be doubled in order to
+ * make cq_ci and rq_ci aligned.
+ */
+ if (rxq_check_vec_support(&tmpl.rxq) < 0)
+ cqe_n = (desc * 2) - 1; /* Double the number of CQEs. */
}
tmpl.cq = ibv_exp_create_cq(priv->ctx, cqe_n, NULL, tmpl.channel, 0,
&attr.cq);
@@ -1101,6 +1068,7 @@ rxq_ctrl_setup(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl,
if (rxq_ctrl->rxq.elts_n) {
assert(1 << rxq_ctrl->rxq.elts_n == desc);
assert(rxq_ctrl->rxq.elts != tmpl.rxq.elts);
+ rxq_trim_elts(&rxq_ctrl->rxq);
ret = rxq_alloc_elts(&tmpl, desc, rxq_ctrl->rxq.elts);
} else
ret = rxq_alloc_elts(&tmpl, desc, NULL);
@@ -1163,6 +1131,7 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
struct priv *priv = dev->data->dev_private;
struct rxq *rxq = (*priv->rxqs)[idx];
struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
+ const uint16_t desc_pad = MLX5_VPMD_DESCS_PER_LOOP; /* For vPMD. */
int ret;
if (mlx5_is_secondary())
@@ -1196,7 +1165,8 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
if (rxq_ctrl->rxq.elts_n != log2above(desc)) {
rxq_ctrl = rte_realloc(rxq_ctrl,
sizeof(*rxq_ctrl) +
- desc * sizeof(struct rte_mbuf *),
+ (desc + desc_pad) *
+ sizeof(struct rte_mbuf *),
RTE_CACHE_LINE_SIZE);
if (!rxq_ctrl) {
ERROR("%p: unable to reallocate queue index %u",
@@ -1207,7 +1177,8 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
}
} else {
rxq_ctrl = rte_calloc_socket("RXQ", 1, sizeof(*rxq_ctrl) +
- desc * sizeof(struct rte_mbuf *),
+ (desc + desc_pad) *
+ sizeof(struct rte_mbuf *),
0, socket);
if (rxq_ctrl == NULL) {
ERROR("%p: unable to allocate queue index %u",
@@ -1224,8 +1195,6 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
DEBUG("%p: adding RX queue %p to list",
(void *)dev, (void *)rxq_ctrl);
(*priv->rxqs)[idx] = &rxq_ctrl->rxq;
- /* Update receive callback. */
- priv_select_rx_function(priv);
}
priv_unlock(priv);
return -ret;
@@ -1310,111 +1279,159 @@ mlx5_rx_burst_secondary_setup(void *dpdk_rxq, struct rte_mbuf **pkts,
}
/**
- * Fill epoll fd list for rxq interrupts.
+ * Allocate queue vector and fill epoll fd list for Rx interrupts.
*
* @param priv
- * Private structure.
+ * Pointer to private structure.
*
* @return
* 0 on success, negative on failure.
*/
int
-priv_intr_efd_enable(struct priv *priv)
+priv_rx_intr_vec_enable(struct priv *priv)
{
unsigned int i;
unsigned int rxqs_n = priv->rxqs_n;
unsigned int n = RTE_MIN(rxqs_n, (uint32_t)RTE_MAX_RXTX_INTR_VEC_ID);
+ unsigned int count = 0;
struct rte_intr_handle *intr_handle = priv->dev->intr_handle;
- if (n == 0)
+ if (!priv->dev->data->dev_conf.intr_conf.rxq)
return 0;
- if (n < rxqs_n) {
- WARN("rxqs num is larger than EAL max interrupt vector "
- "%u > %u unable to supprt rxq interrupts",
- rxqs_n, (uint32_t)RTE_MAX_RXTX_INTR_VEC_ID);
- return -EINVAL;
+ priv_rx_intr_vec_disable(priv);
+ intr_handle->intr_vec = malloc(sizeof(intr_handle->intr_vec[rxqs_n]));
+ if (intr_handle->intr_vec == NULL) {
+ ERROR("failed to allocate memory for interrupt vector,"
+ " Rx interrupts will not be supported");
+ return -ENOMEM;
}
intr_handle->type = RTE_INTR_HANDLE_EXT;
for (i = 0; i != n; ++i) {
struct rxq *rxq = (*priv->rxqs)[i];
struct rxq_ctrl *rxq_ctrl =
container_of(rxq, struct rxq_ctrl, rxq);
- int fd = rxq_ctrl->channel->fd;
+ int fd;
int flags;
int rc;
+ /* Skip queues that cannot request interrupts. */
+ if (!rxq || !rxq_ctrl->channel) {
+ /* Use invalid intr_vec[] index to disable entry. */
+ intr_handle->intr_vec[i] =
+ RTE_INTR_VEC_RXTX_OFFSET +
+ RTE_MAX_RXTX_INTR_VEC_ID;
+ continue;
+ }
+ if (count >= RTE_MAX_RXTX_INTR_VEC_ID) {
+ ERROR("too many Rx queues for interrupt vector size"
+ " (%d), Rx interrupts cannot be enabled",
+ RTE_MAX_RXTX_INTR_VEC_ID);
+ priv_rx_intr_vec_disable(priv);
+ return -1;
+ }
+ fd = rxq_ctrl->channel->fd;
flags = fcntl(fd, F_GETFL);
rc = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
if (rc < 0) {
- WARN("failed to change rxq interrupt file "
- "descriptor %d for queue index %d", fd, i);
+ ERROR("failed to make Rx interrupt file descriptor"
+ " %d non-blocking for queue index %d", fd, i);
+ priv_rx_intr_vec_disable(priv);
return -1;
}
- intr_handle->efds[i] = fd;
+ intr_handle->intr_vec[i] = RTE_INTR_VEC_RXTX_OFFSET + count;
+ intr_handle->efds[count] = fd;
+ count++;
}
- intr_handle->nb_efd = n;
+ if (!count)
+ priv_rx_intr_vec_disable(priv);
+ else
+ intr_handle->nb_efd = count;
return 0;
}
/**
- * Clean epoll fd list for rxq interrupts.
+ * Clean up Rx interrupts handler.
*
* @param priv
- * Private structure.
+ * Pointer to private structure.
*/
void
-priv_intr_efd_disable(struct priv *priv)
+priv_rx_intr_vec_disable(struct priv *priv)
{
struct rte_intr_handle *intr_handle = priv->dev->intr_handle;
rte_intr_free_epoll_fd(intr_handle);
+ free(intr_handle->intr_vec);
+ intr_handle->nb_efd = 0;
+ intr_handle->intr_vec = NULL;
}
+#ifdef HAVE_UPDATE_CQ_CI
+
/**
- * Create and init interrupt vector array.
+ * DPDK callback for Rx queue interrupt enable.
*
- * @param priv
- * Private structure.
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param rx_queue_id
+ * Rx queue number.
*
* @return
* 0 on success, negative on failure.
*/
int
-priv_create_intr_vec(struct priv *priv)
+mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
- unsigned int rxqs_n = priv->rxqs_n;
- unsigned int i;
- struct rte_intr_handle *intr_handle = priv->dev->intr_handle;
+ struct priv *priv = mlx5_get_priv(dev);
+ struct rxq *rxq = (*priv->rxqs)[rx_queue_id];
+ struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
+ int ret;
- if (rxqs_n == 0)
- return 0;
- intr_handle->intr_vec = (int *)
- rte_malloc("intr_vec", rxqs_n * sizeof(int), 0);
- if (intr_handle->intr_vec == NULL) {
- WARN("Failed to allocate memory for intr_vec "
- "rxq interrupt will not be supported");
- return -ENOMEM;
- }
- for (i = 0; i != rxqs_n; ++i) {
- /* 1:1 mapping between rxq and interrupt. */
- intr_handle->intr_vec[i] = RTE_INTR_VEC_RXTX_OFFSET + i;
+ if (!rxq || !rxq_ctrl->channel) {
+ ret = EINVAL;
+ } else {
+ ibv_mlx5_exp_update_cq_ci(rxq_ctrl->cq, rxq->cq_ci);
+ ret = ibv_req_notify_cq(rxq_ctrl->cq, 0);
}
- return 0;
+ if (ret)
+ WARN("unable to arm interrupt on rx queue %d", rx_queue_id);
+ return -ret;
}
/**
- * Destroy init interrupt vector array.
+ * DPDK callback for Rx queue interrupt disable.
*
- * @param priv
- * Private structure.
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param rx_queue_id
+ * Rx queue number.
*
* @return
* 0 on success, negative on failure.
*/
-void
-priv_destroy_intr_vec(struct priv *priv)
+int
+mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
- struct rte_intr_handle *intr_handle = priv->dev->intr_handle;
+ struct priv *priv = mlx5_get_priv(dev);
+ struct rxq *rxq = (*priv->rxqs)[rx_queue_id];
+ struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
+ struct ibv_cq *ev_cq;
+ void *ev_ctx;
+ int ret;
- rte_free(intr_handle->intr_vec);
+ if (!rxq || !rxq_ctrl->channel) {
+ ret = EINVAL;
+ } else {
+ ret = ibv_get_cq_event(rxq_ctrl->cq->channel, &ev_cq, &ev_ctx);
+ if (ret || ev_cq != rxq_ctrl->cq)
+ ret = EINVAL;
+ }
+ if (ret)
+ WARN("unable to disable interrupt on rx queue %d",
+ rx_queue_id);
+ else
+ ibv_ack_cq_events(rxq_ctrl->cq, 1);
+ return -ret;
}
+
+#endif /* HAVE_UPDATE_CQ_CI */
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index de6e0fa4..b07bcd11 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -69,129 +69,131 @@
#include "mlx5_defs.h"
#include "mlx5_prm.h"
-static inline int
-check_cqe(volatile struct mlx5_cqe *cqe,
- unsigned int cqes_n, const uint16_t ci)
- __attribute__((always_inline));
-
-static inline void
-txq_complete(struct txq *txq) __attribute__((always_inline));
+static __rte_always_inline uint32_t
+rxq_cq_to_pkt_type(volatile struct mlx5_cqe *cqe);
-static inline uint32_t
-txq_mp2mr(struct txq *txq, struct rte_mempool *mp)
- __attribute__((always_inline));
-
-static inline void
-mlx5_tx_dbrec(struct txq *txq, volatile struct mlx5_wqe *wqe)
- __attribute__((always_inline));
-
-static inline uint32_t
-rxq_cq_to_pkt_type(volatile struct mlx5_cqe *cqe)
- __attribute__((always_inline));
-
-static inline int
+static __rte_always_inline int
mlx5_rx_poll_len(struct rxq *rxq, volatile struct mlx5_cqe *cqe,
- uint16_t cqe_cnt, uint32_t *rss_hash)
- __attribute__((always_inline));
+ uint16_t cqe_cnt, uint32_t *rss_hash);
-static inline uint32_t
-rxq_cq_to_ol_flags(struct rxq *rxq, volatile struct mlx5_cqe *cqe)
- __attribute__((always_inline));
+static __rte_always_inline uint32_t
+rxq_cq_to_ol_flags(struct rxq *rxq, volatile struct mlx5_cqe *cqe);
-#ifndef NDEBUG
+uint32_t mlx5_ptype_table[] __rte_cache_aligned = {
+ [0xff] = RTE_PTYPE_ALL_MASK, /* Last entry for errored packet. */
+};
/**
- * Verify or set magic value in CQE.
- *
- * @param cqe
- * Pointer to CQE.
+ * Build a table to translate Rx completion flags to packet type.
*
- * @return
- * 0 the first time.
+ * @note: fix mlx5_dev_supported_ptypes_get() if any change here.
*/
-static inline int
-check_cqe_seen(volatile struct mlx5_cqe *cqe)
+void
+mlx5_set_ptype_table(void)
{
- static const uint8_t magic[] = "seen";
- volatile uint8_t (*buf)[sizeof(cqe->rsvd0)] = &cqe->rsvd0;
- int ret = 1;
unsigned int i;
+ uint32_t (*p)[RTE_DIM(mlx5_ptype_table)] = &mlx5_ptype_table;
- for (i = 0; i < sizeof(magic) && i < sizeof(*buf); ++i)
- if (!ret || (*buf)[i] != magic[i]) {
- ret = 0;
- (*buf)[i] = magic[i];
- }
- return ret;
-}
-
-#endif /* NDEBUG */
-
-/**
- * Check whether CQE is valid.
- *
- * @param cqe
- * Pointer to CQE.
- * @param cqes_n
- * Size of completion queue.
- * @param ci
- * Consumer index.
- *
- * @return
- * 0 on success, 1 on failure.
- */
-static inline int
-check_cqe(volatile struct mlx5_cqe *cqe,
- unsigned int cqes_n, const uint16_t ci)
-{
- uint16_t idx = ci & cqes_n;
- uint8_t op_own = cqe->op_own;
- uint8_t op_owner = MLX5_CQE_OWNER(op_own);
- uint8_t op_code = MLX5_CQE_OPCODE(op_own);
-
- if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID)))
- return 1; /* No CQE. */
-#ifndef NDEBUG
- if ((op_code == MLX5_CQE_RESP_ERR) ||
- (op_code == MLX5_CQE_REQ_ERR)) {
- volatile struct mlx5_err_cqe *err_cqe = (volatile void *)cqe;
- uint8_t syndrome = err_cqe->syndrome;
-
- if ((syndrome == MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR) ||
- (syndrome == MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR))
- return 0;
- if (!check_cqe_seen(cqe))
- ERROR("unexpected CQE error %u (0x%02x)"
- " syndrome 0x%02x",
- op_code, op_code, syndrome);
- return 1;
- } else if ((op_code != MLX5_CQE_RESP_SEND) &&
- (op_code != MLX5_CQE_REQ)) {
- if (!check_cqe_seen(cqe))
- ERROR("unexpected CQE opcode %u (0x%02x)",
- op_code, op_code);
- return 1;
- }
-#endif /* NDEBUG */
- return 0;
-}
-
-/**
- * Return the address of the WQE.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param wqe_ci
- * WQE consumer index.
- *
- * @return
- * WQE address.
- */
-static inline uintptr_t *
-tx_mlx5_wqe(struct txq *txq, uint16_t ci)
-{
- ci &= ((1 << txq->wqe_n) - 1);
- return (uintptr_t *)((uintptr_t)txq->wqes + ci * MLX5_WQE_SIZE);
+ /* Last entry must not be overwritten, reserved for errored packet. */
+ for (i = 0; i < RTE_DIM(mlx5_ptype_table) - 1; ++i)
+ (*p)[i] = RTE_PTYPE_UNKNOWN;
+ /*
+ * The index to the array should have:
+ * bit[1:0] = l3_hdr_type
+ * bit[4:2] = l4_hdr_type
+ * bit[5] = ip_frag
+ * bit[6] = tunneled
+ * bit[7] = outer_l3_type
+ */
+ /* L3 */
+ (*p)[0x01] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_NONFRAG;
+ (*p)[0x02] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_NONFRAG;
+ /* Fragmented */
+ (*p)[0x21] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_FRAG;
+ (*p)[0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_FRAG;
+ /* TCP */
+ (*p)[0x05] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0x06] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ /* UDP */
+ (*p)[0x09] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ (*p)[0x0a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ /* Repeat with outer_l3_type being set. Just in case. */
+ (*p)[0x81] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_NONFRAG;
+ (*p)[0x82] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_NONFRAG;
+ (*p)[0xa1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_FRAG;
+ (*p)[0xa2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_FRAG;
+ (*p)[0x85] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0x86] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0x89] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ (*p)[0x8a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ /* Tunneled - L3 */
+ (*p)[0x41] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_NONFRAG;
+ (*p)[0x42] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_NONFRAG;
+ (*p)[0xc1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_NONFRAG;
+ (*p)[0xc2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_NONFRAG;
+ /* Tunneled - Fragmented */
+ (*p)[0x61] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_FRAG;
+ (*p)[0x62] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_FRAG;
+ (*p)[0xe1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_FRAG;
+ (*p)[0xe2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L4_FRAG;
+ /* Tunneled - TCP */
+ (*p)[0x45] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0x46] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0xc5] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ (*p)[0xc6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_TCP;
+ /* Tunneled - UDP */
+ (*p)[0x49] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ (*p)[0x4a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ (*p)[0xc9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
+ (*p)[0xca] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+ RTE_PTYPE_L4_UDP;
}
/**
@@ -251,156 +253,6 @@ mlx5_copy_to_wq(void *dst, const void *src, size_t n,
}
/**
- * Manage TX completions.
- *
- * When sending a burst, mlx5_tx_burst() posts several WRs.
- *
- * @param txq
- * Pointer to TX queue structure.
- */
-static inline void
-txq_complete(struct txq *txq)
-{
- const unsigned int elts_n = 1 << txq->elts_n;
- const unsigned int cqe_n = 1 << txq->cqe_n;
- const unsigned int cqe_cnt = cqe_n - 1;
- uint16_t elts_free = txq->elts_tail;
- uint16_t elts_tail;
- uint16_t cq_ci = txq->cq_ci;
- volatile struct mlx5_cqe *cqe = NULL;
- volatile struct mlx5_wqe_ctrl *ctrl;
-
- do {
- volatile struct mlx5_cqe *tmp;
-
- tmp = &(*txq->cqes)[cq_ci & cqe_cnt];
- if (check_cqe(tmp, cqe_n, cq_ci))
- break;
- cqe = tmp;
-#ifndef NDEBUG
- if (MLX5_CQE_FORMAT(cqe->op_own) == MLX5_COMPRESSED) {
- if (!check_cqe_seen(cqe))
- ERROR("unexpected compressed CQE, TX stopped");
- return;
- }
- if ((MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_RESP_ERR) ||
- (MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_REQ_ERR)) {
- if (!check_cqe_seen(cqe))
- ERROR("unexpected error CQE, TX stopped");
- return;
- }
-#endif /* NDEBUG */
- ++cq_ci;
- } while (1);
- if (unlikely(cqe == NULL))
- return;
- txq->wqe_pi = ntohs(cqe->wqe_counter);
- ctrl = (volatile struct mlx5_wqe_ctrl *)
- tx_mlx5_wqe(txq, txq->wqe_pi);
- elts_tail = ctrl->ctrl3;
- assert(elts_tail < (1 << txq->wqe_n));
- /* Free buffers. */
- while (elts_free != elts_tail) {
- struct rte_mbuf *elt = (*txq->elts)[elts_free];
- unsigned int elts_free_next =
- (elts_free + 1) & (elts_n - 1);
- struct rte_mbuf *elt_next = (*txq->elts)[elts_free_next];
-
-#ifndef NDEBUG
- /* Poisoning. */
- memset(&(*txq->elts)[elts_free],
- 0x66,
- sizeof((*txq->elts)[elts_free]));
-#endif
- RTE_MBUF_PREFETCH_TO_FREE(elt_next);
- /* Only one segment needs to be freed. */
- rte_pktmbuf_free_seg(elt);
- elts_free = elts_free_next;
- }
- txq->cq_ci = cq_ci;
- txq->elts_tail = elts_tail;
- /* Update the consumer index. */
- rte_wmb();
- *txq->cq_db = htonl(cq_ci);
-}
-
-/**
- * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which
- * the cloned mbuf is allocated is returned instead.
- *
- * @param buf
- * Pointer to mbuf.
- *
- * @return
- * Memory pool where data is located for given mbuf.
- */
-static struct rte_mempool *
-txq_mb2mp(struct rte_mbuf *buf)
-{
- if (unlikely(RTE_MBUF_INDIRECT(buf)))
- return rte_mbuf_from_indirect(buf)->pool;
- return buf->pool;
-}
-
-/**
- * Get Memory Region (MR) <-> Memory Pool (MP) association from txq->mp2mr[].
- * Add MP to txq->mp2mr[] if it's not registered yet. If mp2mr[] is full,
- * remove an entry first.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param[in] mp
- * Memory Pool for which a Memory Region lkey must be returned.
- *
- * @return
- * mr->lkey on success, (uint32_t)-1 on failure.
- */
-static inline uint32_t
-txq_mp2mr(struct txq *txq, struct rte_mempool *mp)
-{
- unsigned int i;
- uint32_t lkey = (uint32_t)-1;
-
- for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
- if (unlikely(txq->mp2mr[i].mp == NULL)) {
- /* Unknown MP, add a new MR for it. */
- break;
- }
- if (txq->mp2mr[i].mp == mp) {
- assert(txq->mp2mr[i].lkey != (uint32_t)-1);
- assert(htonl(txq->mp2mr[i].mr->lkey) ==
- txq->mp2mr[i].lkey);
- lkey = txq->mp2mr[i].lkey;
- break;
- }
- }
- if (unlikely(lkey == (uint32_t)-1))
- lkey = txq_mp2mr_reg(txq, mp, i);
- return lkey;
-}
-
-/**
- * Ring TX queue doorbell.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param wqe
- * Pointer to the last WQE posted in the NIC.
- */
-static inline void
-mlx5_tx_dbrec(struct txq *txq, volatile struct mlx5_wqe *wqe)
-{
- uint64_t *dst = (uint64_t *)((uintptr_t)txq->bf_reg);
- volatile uint64_t *src = ((volatile uint64_t *)wqe);
-
- rte_wmb();
- *txq->qp_db = htonl(txq->wqe_ci);
- /* Ensure ordering between DB record and BF copy. */
- rte_wmb();
- *dst = *src;
-}
-
-/**
* DPDK callback to check the status of a tx descriptor.
*
* @param tx_queue
@@ -415,12 +267,10 @@ int
mlx5_tx_descriptor_status(void *tx_queue, uint16_t offset)
{
struct txq *txq = tx_queue;
- const unsigned int elts_n = 1 << txq->elts_n;
- const unsigned int elts_cnt = elts_n - 1;
- unsigned int used;
+ uint16_t used;
- txq_complete(txq);
- used = (txq->elts_head - txq->elts_tail) & elts_cnt;
+ mlx5_tx_complete(txq);
+ used = txq->elts_head - txq->elts_tail;
if (offset < used)
return RTE_ETH_TX_DESC_FULL;
return RTE_ETH_TX_DESC_DONE;
@@ -494,11 +344,12 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
struct txq *txq = (struct txq *)dpdk_txq;
uint16_t elts_head = txq->elts_head;
- const unsigned int elts_n = 1 << txq->elts_n;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
unsigned int i = 0;
unsigned int j = 0;
unsigned int k = 0;
- unsigned int max;
+ uint16_t max_elts;
unsigned int max_inline = txq->max_inline;
const unsigned int inline_en = !!max_inline && txq->inline_en;
uint16_t max_wqe;
@@ -514,10 +365,8 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
/* Prefetch first packet cacheline. */
rte_prefetch0(*pkts);
/* Start processing. */
- txq_complete(txq);
- max = (elts_n - (elts_head - txq->elts_tail));
- if (max > elts_n)
- max -= elts_n;
+ mlx5_tx_complete(txq);
+ max_elts = (elts_n - (elts_head - txq->elts_tail));
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
if (unlikely(!max_wqe))
return 0;
@@ -533,6 +382,7 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
uint16_t ehdr;
uint8_t cs_flags = 0;
uint64_t tso = 0;
+ uint16_t tso_segsz = 0;
#ifdef MLX5_PMD_SOFT_COUNTERS
uint32_t total_length = 0;
#endif
@@ -545,9 +395,9 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
* that one ring entry remains unused.
*/
assert(segs_n);
- if (max < segs_n + 1)
+ if (max_elts < segs_n)
break;
- max -= segs_n;
+ max_elts -= segs_n;
--segs_n;
if (unlikely(--max_wqe == 0))
break;
@@ -566,7 +416,7 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
if (length < (MLX5_WQE_DWORD_SIZE + 2))
break;
/* Update element. */
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head & elts_m] = buf;
/* Prefetch next buffer data. */
if (pkts_n - i > 1)
rte_prefetch0(
@@ -628,6 +478,7 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
tso_header_sz = buf->l2_len + vlan_sz +
buf->l3_len + buf->l4_len;
+ tso_segsz = buf->tso_segsz;
if (is_tunneled && txq->tunnel_en) {
tso_header_sz += buf->outer_l2_len +
@@ -762,7 +613,7 @@ use_dseg:
naddr = htonll(addr);
*dseg = (rte_v128u32_t){
htonl(length),
- txq_mp2mr(txq, txq_mb2mp(buf)),
+ mlx5_tx_mb2mr(txq, buf),
naddr,
naddr >> 32,
};
@@ -801,12 +652,11 @@ next_seg:
naddr = htonll(rte_pktmbuf_mtod(buf, uintptr_t));
*dseg = (rte_v128u32_t){
htonl(length),
- txq_mp2mr(txq, txq_mb2mp(buf)),
+ mlx5_tx_mb2mr(txq, buf),
naddr,
naddr >> 32,
};
- elts_head = (elts_head + 1) & (elts_n - 1);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[++elts_head & elts_m] = buf;
++sg;
/* Advance counter only if all segs are successfully posted. */
if (sg < segs_n)
@@ -814,7 +664,7 @@ next_seg:
else
j += sg;
next_pkt:
- elts_head = (elts_head + 1) & (elts_n - 1);
+ ++elts_head;
++pkts;
++i;
/* Initialize known and common part of the WQE structure. */
@@ -827,7 +677,7 @@ next_pkt:
};
wqe->eseg = (rte_v128u32_t){
0,
- cs_flags | (htons(buf->tso_segsz) << 16),
+ cs_flags | (htons(tso_segsz) << 16),
0,
(ehdr << 16) | htons(tso_header_sz),
};
@@ -857,7 +707,7 @@ next_wqe:
/* Take a shortcut if nothing must be sent. */
if (unlikely((i + k) == 0))
return 0;
- txq->elts_head = (txq->elts_head + i + j) & (elts_n - 1);
+ txq->elts_head += (i + j);
/* Check whether completion threshold has been reached. */
comp = txq->elts_comp + i + j + k;
if (comp >= MLX5_TX_COMP_THRESH) {
@@ -964,10 +814,11 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
struct txq *txq = (struct txq *)dpdk_txq;
uint16_t elts_head = txq->elts_head;
- const unsigned int elts_n = 1 << txq->elts_n;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
unsigned int i = 0;
unsigned int j = 0;
- unsigned int max;
+ uint16_t max_elts;
uint16_t max_wqe;
unsigned int comp;
struct mlx5_mpw mpw = {
@@ -980,16 +831,13 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
rte_prefetch0(tx_mlx5_wqe(txq, txq->wqe_ci));
rte_prefetch0(tx_mlx5_wqe(txq, txq->wqe_ci + 1));
/* Start processing. */
- txq_complete(txq);
- max = (elts_n - (elts_head - txq->elts_tail));
- if (max > elts_n)
- max -= elts_n;
+ mlx5_tx_complete(txq);
+ max_elts = (elts_n - (elts_head - txq->elts_tail));
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
if (unlikely(!max_wqe))
return 0;
do {
struct rte_mbuf *buf = *(pkts++);
- unsigned int elts_head_next;
uint32_t length;
unsigned int segs_n = buf->nb_segs;
uint32_t cs_flags = 0;
@@ -999,12 +847,12 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
* that one ring entry remains unused.
*/
assert(segs_n);
- if (max < segs_n + 1)
+ if (max_elts < segs_n)
break;
/* Do not bother with large packets MPW cannot handle. */
if (segs_n > MLX5_MPW_DSEG_MAX)
break;
- max -= segs_n;
+ max_elts -= segs_n;
--pkts_n;
/* Should we enable HW CKSUM offload */
if (buf->ol_flags &
@@ -1040,17 +888,15 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
volatile struct mlx5_wqe_data_seg *dseg;
uintptr_t addr;
- elts_head_next = (elts_head + 1) & (elts_n - 1);
assert(buf);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head++ & elts_m] = buf;
dseg = mpw.data.dseg[mpw.pkts_n];
addr = rte_pktmbuf_mtod(buf, uintptr_t);
*dseg = (struct mlx5_wqe_data_seg){
.byte_count = htonl(DATA_LEN(buf)),
- .lkey = txq_mp2mr(txq, txq_mb2mp(buf)),
+ .lkey = mlx5_tx_mb2mr(txq, buf),
.addr = htonll(addr),
};
- elts_head = elts_head_next;
#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
length += DATA_LEN(buf);
#endif
@@ -1061,7 +907,6 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
assert(length == mpw.len);
if (mpw.pkts_n == MLX5_MPW_DSEG_MAX)
mlx5_mpw_close(txq, &mpw);
- elts_head = elts_head_next;
#ifdef MLX5_PMD_SOFT_COUNTERS
/* Increment sent bytes counter. */
txq->stats.obytes += length;
@@ -1179,10 +1024,11 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
{
struct txq *txq = (struct txq *)dpdk_txq;
uint16_t elts_head = txq->elts_head;
- const unsigned int elts_n = 1 << txq->elts_n;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
unsigned int i = 0;
unsigned int j = 0;
- unsigned int max;
+ uint16_t max_elts;
uint16_t max_wqe;
unsigned int comp;
unsigned int inline_room = txq->max_inline * RTE_CACHE_LINE_SIZE;
@@ -1208,13 +1054,10 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
rte_prefetch0(tx_mlx5_wqe(txq, txq->wqe_ci));
rte_prefetch0(tx_mlx5_wqe(txq, txq->wqe_ci + 1));
/* Start processing. */
- txq_complete(txq);
- max = (elts_n - (elts_head - txq->elts_tail));
- if (max > elts_n)
- max -= elts_n;
+ mlx5_tx_complete(txq);
+ max_elts = (elts_n - (elts_head - txq->elts_tail));
do {
struct rte_mbuf *buf = *(pkts++);
- unsigned int elts_head_next;
uintptr_t addr;
uint32_t length;
unsigned int segs_n = buf->nb_segs;
@@ -1225,12 +1068,12 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
* that one ring entry remains unused.
*/
assert(segs_n);
- if (max < segs_n + 1)
+ if (max_elts < segs_n)
break;
/* Do not bother with large packets MPW cannot handle. */
if (segs_n > MLX5_MPW_DSEG_MAX)
break;
- max -= segs_n;
+ max_elts -= segs_n;
--pkts_n;
/*
* Compute max_wqe in case less WQE were consumed in previous
@@ -1291,18 +1134,15 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
do {
volatile struct mlx5_wqe_data_seg *dseg;
- elts_head_next =
- (elts_head + 1) & (elts_n - 1);
assert(buf);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head++ & elts_m] = buf;
dseg = mpw.data.dseg[mpw.pkts_n];
addr = rte_pktmbuf_mtod(buf, uintptr_t);
*dseg = (struct mlx5_wqe_data_seg){
.byte_count = htonl(DATA_LEN(buf)),
- .lkey = txq_mp2mr(txq, txq_mb2mp(buf)),
+ .lkey = mlx5_tx_mb2mr(txq, buf),
.addr = htonll(addr),
};
- elts_head = elts_head_next;
#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
length += DATA_LEN(buf);
#endif
@@ -1319,9 +1159,8 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
assert(mpw.state == MLX5_MPW_INL_STATE_OPENED);
assert(length <= inline_room);
assert(length == DATA_LEN(buf));
- elts_head_next = (elts_head + 1) & (elts_n - 1);
addr = rte_pktmbuf_mtod(buf, uintptr_t);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head++ & elts_m] = buf;
/* Maximum number of bytes before wrapping. */
max = ((((uintptr_t)(txq->wqes)) +
(1 << txq->wqe_n) *
@@ -1358,7 +1197,6 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
inline_room -= length;
}
}
- elts_head = elts_head_next;
#ifdef MLX5_PMD_SOFT_COUNTERS
/* Increment sent bytes counter. */
txq->stats.obytes += length;
@@ -1480,10 +1318,11 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
struct txq *txq = (struct txq *)dpdk_txq;
uint16_t elts_head = txq->elts_head;
- const unsigned int elts_n = 1 << txq->elts_n;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
unsigned int i = 0;
unsigned int j = 0;
- unsigned int max_elts;
+ uint16_t max_elts;
uint16_t max_wqe;
unsigned int max_inline = txq->max_inline * RTE_CACHE_LINE_SIZE;
unsigned int mpw_room = 0;
@@ -1496,10 +1335,8 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
if (unlikely(!pkts_n))
return 0;
/* Start processing. */
- txq_complete(txq);
+ mlx5_tx_complete(txq);
max_elts = (elts_n - (elts_head - txq->elts_tail));
- if (max_elts > elts_n)
- max_elts -= elts_n;
/* A CQE slot must always be available. */
assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci));
max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
@@ -1507,7 +1344,6 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
return 0;
do {
struct rte_mbuf *buf = *(pkts++);
- unsigned int elts_head_next;
uintptr_t addr;
uint64_t naddr;
unsigned int n;
@@ -1521,7 +1357,7 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
* that one ring entry remains unused.
*/
assert(segs_n);
- if (max_elts - j < segs_n + 1)
+ if (max_elts - j < segs_n)
break;
/* Do not bother with large packets MPW cannot handle. */
if (segs_n > MLX5_MPW_DSEG_MAX)
@@ -1605,18 +1441,15 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
do {
volatile struct mlx5_wqe_data_seg *dseg;
- elts_head_next =
- (elts_head + 1) & (elts_n - 1);
assert(buf);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head++ & elts_m] = buf;
dseg = mpw.data.dseg[mpw.pkts_n];
addr = rte_pktmbuf_mtod(buf, uintptr_t);
*dseg = (struct mlx5_wqe_data_seg){
.byte_count = htonl(DATA_LEN(buf)),
- .lkey = txq_mp2mr(txq, txq_mb2mp(buf)),
+ .lkey = mlx5_tx_mb2mr(txq, buf),
.addr = htonll(addr),
};
- elts_head = elts_head_next;
#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
length += DATA_LEN(buf);
#endif
@@ -1667,7 +1500,6 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
/* No need to get completion as the entire packet is
* copied to WQ. Free the buf right away.
*/
- elts_head_next = elts_head;
rte_pktmbuf_free_seg(buf);
mpw_room -= (inl_pad + sizeof(inl_hdr) + length);
/* Add pad in the next packet if any. */
@@ -1690,8 +1522,7 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
dseg = (volatile void *)
((uintptr_t)mpw.data.raw +
inl_pad);
- elts_head_next = (elts_head + 1) & (elts_n - 1);
- (*txq->elts)[elts_head] = buf;
+ (*txq->elts)[elts_head++ & elts_m] = buf;
addr = rte_pktmbuf_mtod(buf, uintptr_t);
for (n = 0; n * RTE_CACHE_LINE_SIZE < length; n++)
rte_prefetch2((void *)(addr +
@@ -1699,7 +1530,7 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
naddr = htonll(addr);
*dseg = (rte_v128u32_t) {
htonl(length),
- txq_mp2mr(txq, txq_mb2mp(buf)),
+ mlx5_tx_mb2mr(txq, buf),
naddr,
naddr >> 32,
};
@@ -1710,7 +1541,6 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
mpw_room -= (inl_pad + sizeof(*dseg));
inl_pad = 0;
}
- elts_head = elts_head_next;
#ifdef MLX5_PMD_SOFT_COUNTERS
/* Increment sent bytes counter. */
txq->stats.obytes += length;
@@ -1764,30 +1594,20 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
static inline uint32_t
rxq_cq_to_pkt_type(volatile struct mlx5_cqe *cqe)
{
- uint32_t pkt_type;
- uint16_t flags = ntohs(cqe->hdr_type_etc);
+ uint8_t idx;
+ uint8_t pinfo = cqe->pkt_info;
+ uint16_t ptype = cqe->hdr_type_etc;
- if (cqe->pkt_info & MLX5_CQE_RX_TUNNEL_PACKET) {
- pkt_type =
- TRANSPOSE(flags,
- MLX5_CQE_RX_IPV4_PACKET,
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN) |
- TRANSPOSE(flags,
- MLX5_CQE_RX_IPV6_PACKET,
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN);
- pkt_type |= ((cqe->pkt_info & MLX5_CQE_RX_OUTER_PACKET) ?
- RTE_PTYPE_L3_IPV6_EXT_UNKNOWN :
- RTE_PTYPE_L3_IPV4_EXT_UNKNOWN);
- } else {
- pkt_type =
- TRANSPOSE(flags,
- MLX5_CQE_L3_HDR_TYPE_IPV6,
- RTE_PTYPE_L3_IPV6_EXT_UNKNOWN) |
- TRANSPOSE(flags,
- MLX5_CQE_L3_HDR_TYPE_IPV4,
- RTE_PTYPE_L3_IPV4_EXT_UNKNOWN);
- }
- return pkt_type;
+ /*
+ * The index to the array should have:
+ * bit[1:0] = l3_hdr_type
+ * bit[4:2] = l4_hdr_type
+ * bit[5] = ip_frag
+ * bit[6] = tunneled
+ * bit[7] = outer_l3_type
+ */
+ idx = ((pinfo & 0x3) << 6) | ((ptype & 0xfc00) >> 10);
+ return mlx5_ptype_table[idx];
}
/**
@@ -1819,7 +1639,7 @@ mlx5_rx_poll_len(struct rxq *rxq, volatile struct mlx5_cqe *cqe,
if (zip->ai) {
volatile struct mlx5_mini_cqe8 (*mc)[8] =
(volatile struct mlx5_mini_cqe8 (*)[8])
- (uintptr_t)(&(*rxq->cqes)[zip->ca & cqe_cnt]);
+ (uintptr_t)(&(*rxq->cqes)[zip->ca & cqe_cnt].pkt_info);
len = ntohl((*mc)[zip->ai & 7].byte_cnt);
*rss_hash = ntohl((*mc)[zip->ai & 7].rx_hash_result);
@@ -1867,7 +1687,7 @@ mlx5_rx_poll_len(struct rxq *rxq, volatile struct mlx5_cqe *cqe,
volatile struct mlx5_mini_cqe8 (*mc)[8] =
(volatile struct mlx5_mini_cqe8 (*)[8])
(uintptr_t)(&(*rxq->cqes)[rxq->cq_ci &
- cqe_cnt]);
+ cqe_cnt].pkt_info);
/* Fix endianness. */
zip->cqe_cnt = ntohl(cqe->byte_cnt);
@@ -2018,7 +1838,7 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
pkt = seg;
assert(len >= (rxq->crc_present << 2));
/* Update packet information. */
- pkt->packet_type = 0;
+ pkt->packet_type = rxq_cq_to_pkt_type(cqe);
pkt->ol_flags = 0;
if (rss_hash_res && rxq->rss_hash) {
pkt->hash.rss = rss_hash_res;
@@ -2036,10 +1856,8 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
mlx5_flow_mark_get(mark);
}
}
- if (rxq->csum | rxq->csum_l2tun) {
- pkt->packet_type = rxq_cq_to_pkt_type(cqe);
+ if (rxq->csum | rxq->csum_l2tun)
pkt->ol_flags |= rxq_cq_to_ol_flags(rxq, cqe);
- }
if (rxq->vlan_strip &&
(cqe->hdr_type_etc &
htons(MLX5_CQE_VLAN_STRIPPED))) {
@@ -2054,9 +1872,7 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
DATA_LEN(rep) = DATA_LEN(seg);
PKT_LEN(rep) = PKT_LEN(seg);
SET_DATA_OFF(rep, DATA_OFF(seg));
- NB_SEGS(rep) = NB_SEGS(seg);
PORT(rep) = PORT(seg);
- NEXT(rep) = NULL;
(*rxq->elts)[idx] = rep;
/*
* Fill NIC descriptor with the new buffer. The lkey and size
@@ -2151,75 +1967,70 @@ removed_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
return 0;
}
-/**
- * DPDK callback for rx queue interrupt enable.
- *
- * @param dev
- * Pointer to Ethernet device structure.
- * @param rx_queue_id
- * RX queue number
- *
- * @return
- * 0 on success, negative on failure.
+/*
+ * Vectorized Rx/Tx routines are not compiled in when required vector
+ * instructions are not supported on a target architecture. The following null
+ * stubs are needed for linkage when those are not included outside of this file
+ * (e.g. mlx5_rxtx_vec_sse.c for x86).
*/
-int
-mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+
+uint16_t __attribute__((weak))
+mlx5_tx_burst_raw_vec(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
-#ifdef HAVE_UPDATE_CQ_CI
- struct priv *priv = mlx5_get_priv(dev);
- struct rxq *rxq = (*priv->rxqs)[rx_queue_id];
- struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
- struct ibv_cq *cq = rxq_ctrl->cq;
- uint16_t ci = rxq->cq_ci;
- int ret = 0;
-
- ibv_mlx5_exp_update_cq_ci(cq, ci);
- ret = ibv_req_notify_cq(cq, 0);
-#else
- int ret = -1;
- (void)dev;
- (void)rx_queue_id;
-#endif
- if (ret)
- WARN("unable to arm interrupt on rx queue %d", rx_queue_id);
- return ret;
+ (void)dpdk_txq;
+ (void)pkts;
+ (void)pkts_n;
+ return 0;
}
-/**
- * DPDK callback for rx queue interrupt disable.
- *
- * @param dev
- * Pointer to Ethernet device structure.
- * @param rx_queue_id
- * RX queue number
- *
- * @return
- * 0 on success, negative on failure.
- */
-int
-mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+uint16_t __attribute__((weak))
+mlx5_tx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
{
-#ifdef HAVE_UPDATE_CQ_CI
- struct priv *priv = mlx5_get_priv(dev);
- struct rxq *rxq = (*priv->rxqs)[rx_queue_id];
- struct rxq_ctrl *rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq);
- struct ibv_cq *cq = rxq_ctrl->cq;
- struct ibv_cq *ev_cq;
- void *ev_ctx;
- int ret = 0;
-
- ret = ibv_get_cq_event(cq->channel, &ev_cq, &ev_ctx);
- if (ret || ev_cq != cq)
- ret = -1;
- else
- ibv_ack_cq_events(cq, 1);
-#else
- int ret = -1;
- (void)dev;
- (void)rx_queue_id;
-#endif
- if (ret)
- WARN("unable to disable interrupt on rx queue %d",
- rx_queue_id);
- return ret;
+ (void)dpdk_txq;
+ (void)pkts;
+ (void)pkts_n;
+ return 0;
+}
+
+uint16_t __attribute__((weak))
+mlx5_rx_burst_vec(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ (void)dpdk_rxq;
+ (void)pkts;
+ (void)pkts_n;
+ return 0;
+}
+
+int __attribute__((weak))
+priv_check_raw_vec_tx_support(struct priv *priv)
+{
+ (void)priv;
+ return -ENOTSUP;
+}
+
+int __attribute__((weak))
+priv_check_vec_tx_support(struct priv *priv)
+{
+ (void)priv;
+ return -ENOTSUP;
+}
+
+int __attribute__((weak))
+rxq_check_vec_support(struct rxq *rxq)
+{
+ (void)rxq;
+ return -ENOTSUP;
+}
+
+int __attribute__((weak))
+priv_check_vec_rx_support(struct priv *priv)
+{
+ (void)priv;
+ return -ENOTSUP;
+}
+
+void __attribute__((weak))
+priv_prep_vec_rx_function(struct priv *priv)
+{
+ (void)priv;
}
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 8db8eb14..7de1d108 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -115,10 +115,13 @@ struct rxq {
unsigned int port_id:8;
unsigned int rss_hash:1; /* RSS hash result is enabled. */
unsigned int mark:1; /* Marked flow available on the queue. */
- unsigned int :8; /* Remaining bits. */
+ unsigned int pending_err:1; /* CQE error needs to be handled. */
+ unsigned int trim_elts:1; /* Whether elts needs clean-up. */
+ unsigned int :6; /* Remaining bits. */
volatile uint32_t *rq_db;
volatile uint32_t *cq_db;
uint16_t rq_ci;
+ uint16_t rq_pi;
uint16_t cq_ci;
volatile struct mlx5_wqe_data_seg(*wqes)[];
volatile struct mlx5_cqe(*cqes)[];
@@ -126,6 +129,8 @@ struct rxq {
struct rte_mbuf *(*elts)[];
struct rte_mempool *mp;
struct mlx5_rxq_stats stats;
+ uint64_t mbuf_initializer; /* Default rearm_data for vectorized Rx. */
+ struct rte_mbuf fake_mbuf; /* elts padding for vectorized Rx. */
} __rte_cache_aligned;
/* RX queue control descriptor. */
@@ -240,10 +245,10 @@ struct hash_rxq {
};
/* TX queue descriptor. */
-RTE_STD_C11
+__extension__
struct txq {
- uint16_t elts_head; /* Current index in (*elts)[]. */
- uint16_t elts_tail; /* First element awaiting completion. */
+ uint16_t elts_head; /* Current counter in (*elts)[]. */
+ uint16_t elts_tail; /* Counter of first element awaiting completion. */
uint16_t elts_comp; /* Counter since last completion request. */
uint16_t mpw_comp; /* WQ index since last completion request. */
uint16_t cq_ci; /* Consumer index for completion queue. */
@@ -261,16 +266,19 @@ struct txq {
uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
uint16_t inline_max_packet_sz; /* Max packet size for inlining. */
uint32_t qp_num_8s; /* QP number shifted by 8. */
+ uint32_t flags; /* Flags for Tx Queue. */
volatile struct mlx5_cqe (*cqes)[]; /* Completion queue. */
volatile void *wqes; /* Work queue (use volatile to write into). */
volatile uint32_t *qp_db; /* Work queue doorbell. */
volatile uint32_t *cq_db; /* Completion queue doorbell. */
volatile void *bf_reg; /* Blueflame register. */
struct {
- const struct rte_mempool *mp; /* Cached Memory Pool. */
+ uintptr_t start; /* Start address of MR */
+ uintptr_t end; /* End address of MR */
struct ibv_mr *mr; /* Memory Region (for mp). */
uint32_t lkey; /* htonl(mr->lkey) */
} mp2mr[MLX5_PMD_TX_MP_CACHE]; /* MP to MR translation table. */
+ uint16_t mr_cache_idx; /* Index of last hit entry. */
struct rte_mbuf *(*elts)[]; /* TX elements. */
struct mlx5_txq_stats stats; /* TX queue counters. */
} __rte_cache_aligned;
@@ -298,19 +306,17 @@ int priv_create_hash_rxqs(struct priv *);
void priv_destroy_hash_rxqs(struct priv *);
int priv_allow_flow_type(struct priv *, enum hash_rxq_flow_type);
int priv_rehash_flows(struct priv *);
-int priv_intr_efd_enable(struct priv *priv);
-void priv_intr_efd_disable(struct priv *priv);
-int priv_create_intr_vec(struct priv *priv);
-void priv_destroy_intr_vec(struct priv *priv);
void rxq_cleanup(struct rxq_ctrl *);
-int rxq_rehash(struct rte_eth_dev *, struct rxq_ctrl *);
-int rxq_ctrl_setup(struct rte_eth_dev *, struct rxq_ctrl *, uint16_t,
- unsigned int, const struct rte_eth_rxconf *,
- struct rte_mempool *);
int mlx5_rx_queue_setup(struct rte_eth_dev *, uint16_t, uint16_t, unsigned int,
const struct rte_eth_rxconf *, struct rte_mempool *);
void mlx5_rx_queue_release(void *);
uint16_t mlx5_rx_burst_secondary_setup(void *, struct rte_mbuf **, uint16_t);
+int priv_rx_intr_vec_enable(struct priv *priv);
+void priv_rx_intr_vec_disable(struct priv *priv);
+#ifdef HAVE_UPDATE_CQ_CI
+int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+#endif /* HAVE_UPDATE_CQ_CI */
/* mlx5_txq.c */
@@ -324,6 +330,9 @@ uint16_t mlx5_tx_burst_secondary_setup(void *, struct rte_mbuf **, uint16_t);
/* mlx5_rxtx.c */
+extern uint32_t mlx5_ptype_table[];
+
+void mlx5_set_ptype_table(void);
uint16_t mlx5_tx_burst(void *, struct rte_mbuf **, uint16_t);
uint16_t mlx5_tx_burst_mpw(void *, struct rte_mbuf **, uint16_t);
uint16_t mlx5_tx_burst_mpw_inline(void *, struct rte_mbuf **, uint16_t);
@@ -333,8 +342,16 @@ uint16_t removed_tx_burst(void *, struct rte_mbuf **, uint16_t);
uint16_t removed_rx_burst(void *, struct rte_mbuf **, uint16_t);
int mlx5_rx_descriptor_status(void *, uint16_t);
int mlx5_tx_descriptor_status(void *, uint16_t);
-int mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
-int mlx5_rx_intr_disable(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+
+/* Vectorized version of mlx5_rxtx.c */
+int priv_check_raw_vec_tx_support(struct priv *);
+int priv_check_vec_tx_support(struct priv *);
+int rxq_check_vec_support(struct rxq *);
+int priv_check_vec_rx_support(struct priv *);
+void priv_prep_vec_rx_function(struct priv *);
+uint16_t mlx5_tx_burst_raw_vec(void *, struct rte_mbuf **, uint16_t);
+uint16_t mlx5_tx_burst_vec(void *, struct rte_mbuf **, uint16_t);
+uint16_t mlx5_rx_burst_vec(void *, struct rte_mbuf **, uint16_t);
/* mlx5_mr.c */
@@ -342,4 +359,254 @@ struct ibv_mr *mlx5_mp2mr(struct ibv_pd *, struct rte_mempool *);
void txq_mp2mr_iter(struct rte_mempool *, void *);
uint32_t txq_mp2mr_reg(struct txq *, struct rte_mempool *, unsigned int);
+#ifndef NDEBUG
+/**
+ * Verify or set magic value in CQE.
+ *
+ * @param cqe
+ * Pointer to CQE.
+ *
+ * @return
+ * 0 the first time.
+ */
+static inline int
+check_cqe_seen(volatile struct mlx5_cqe *cqe)
+{
+ static const uint8_t magic[] = "seen";
+ volatile uint8_t (*buf)[sizeof(cqe->rsvd0)] = &cqe->rsvd0;
+ int ret = 1;
+ unsigned int i;
+
+ for (i = 0; i < sizeof(magic) && i < sizeof(*buf); ++i)
+ if (!ret || (*buf)[i] != magic[i]) {
+ ret = 0;
+ (*buf)[i] = magic[i];
+ }
+ return ret;
+}
+#endif /* NDEBUG */
+
+/**
+ * Check whether CQE is valid.
+ *
+ * @param cqe
+ * Pointer to CQE.
+ * @param cqes_n
+ * Size of completion queue.
+ * @param ci
+ * Consumer index.
+ *
+ * @return
+ * 0 on success, 1 on failure.
+ */
+static __rte_always_inline int
+check_cqe(volatile struct mlx5_cqe *cqe,
+ unsigned int cqes_n, const uint16_t ci)
+{
+ uint16_t idx = ci & cqes_n;
+ uint8_t op_own = cqe->op_own;
+ uint8_t op_owner = MLX5_CQE_OWNER(op_own);
+ uint8_t op_code = MLX5_CQE_OPCODE(op_own);
+
+ if (unlikely((op_owner != (!!(idx))) || (op_code == MLX5_CQE_INVALID)))
+ return 1; /* No CQE. */
+#ifndef NDEBUG
+ if ((op_code == MLX5_CQE_RESP_ERR) ||
+ (op_code == MLX5_CQE_REQ_ERR)) {
+ volatile struct mlx5_err_cqe *err_cqe = (volatile void *)cqe;
+ uint8_t syndrome = err_cqe->syndrome;
+
+ if ((syndrome == MLX5_CQE_SYNDROME_LOCAL_LENGTH_ERR) ||
+ (syndrome == MLX5_CQE_SYNDROME_REMOTE_ABORTED_ERR))
+ return 0;
+ if (!check_cqe_seen(cqe))
+ ERROR("unexpected CQE error %u (0x%02x)"
+ " syndrome 0x%02x",
+ op_code, op_code, syndrome);
+ return 1;
+ } else if ((op_code != MLX5_CQE_RESP_SEND) &&
+ (op_code != MLX5_CQE_REQ)) {
+ if (!check_cqe_seen(cqe))
+ ERROR("unexpected CQE opcode %u (0x%02x)",
+ op_code, op_code);
+ return 1;
+ }
+#endif /* NDEBUG */
+ return 0;
+}
+
+/**
+ * Return the address of the WQE.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param wqe_ci
+ * WQE consumer index.
+ *
+ * @return
+ * WQE address.
+ */
+static inline uintptr_t *
+tx_mlx5_wqe(struct txq *txq, uint16_t ci)
+{
+ ci &= ((1 << txq->wqe_n) - 1);
+ return (uintptr_t *)((uintptr_t)txq->wqes + ci * MLX5_WQE_SIZE);
+}
+
+/**
+ * Manage TX completions.
+ *
+ * When sending a burst, mlx5_tx_burst() posts several WRs.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ */
+static __rte_always_inline void
+mlx5_tx_complete(struct txq *txq)
+{
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
+ const unsigned int cqe_n = 1 << txq->cqe_n;
+ const unsigned int cqe_cnt = cqe_n - 1;
+ uint16_t elts_free = txq->elts_tail;
+ uint16_t elts_tail;
+ uint16_t cq_ci = txq->cq_ci;
+ volatile struct mlx5_cqe *cqe = NULL;
+ volatile struct mlx5_wqe_ctrl *ctrl;
+ struct rte_mbuf *m, *free[elts_n];
+ struct rte_mempool *pool = NULL;
+ unsigned int blk_n = 0;
+
+ cqe = &(*txq->cqes)[cq_ci & cqe_cnt];
+ if (unlikely(check_cqe(cqe, cqe_n, cq_ci)))
+ return;
+#ifndef NDEBUG
+ if ((MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_RESP_ERR) ||
+ (MLX5_CQE_OPCODE(cqe->op_own) == MLX5_CQE_REQ_ERR)) {
+ if (!check_cqe_seen(cqe))
+ ERROR("unexpected error CQE, TX stopped");
+ return;
+ }
+#endif /* NDEBUG */
+ ++cq_ci;
+ txq->wqe_pi = ntohs(cqe->wqe_counter);
+ ctrl = (volatile struct mlx5_wqe_ctrl *)
+ tx_mlx5_wqe(txq, txq->wqe_pi);
+ elts_tail = ctrl->ctrl3;
+ assert((elts_tail & elts_m) < (1 << txq->wqe_n));
+ /* Free buffers. */
+ while (elts_free != elts_tail) {
+ m = rte_pktmbuf_prefree_seg((*txq->elts)[elts_free++ & elts_m]);
+ if (likely(m != NULL)) {
+ if (likely(m->pool == pool)) {
+ free[blk_n++] = m;
+ } else {
+ if (likely(pool != NULL))
+ rte_mempool_put_bulk(pool,
+ (void *)free,
+ blk_n);
+ free[0] = m;
+ pool = m->pool;
+ blk_n = 1;
+ }
+ }
+ }
+ if (blk_n)
+ rte_mempool_put_bulk(pool, (void *)free, blk_n);
+#ifndef NDEBUG
+ elts_free = txq->elts_tail;
+ /* Poisoning. */
+ while (elts_free != elts_tail) {
+ memset(&(*txq->elts)[elts_free & elts_m],
+ 0x66,
+ sizeof((*txq->elts)[elts_free & elts_m]));
+ ++elts_free;
+ }
+#endif
+ txq->cq_ci = cq_ci;
+ txq->elts_tail = elts_tail;
+ /* Update the consumer index. */
+ rte_wmb();
+ *txq->cq_db = htonl(cq_ci);
+}
+
+/**
+ * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which
+ * the cloned mbuf is allocated is returned instead.
+ *
+ * @param buf
+ * Pointer to mbuf.
+ *
+ * @return
+ * Memory pool where data is located for given mbuf.
+ */
+static struct rte_mempool *
+mlx5_tx_mb2mp(struct rte_mbuf *buf)
+{
+ if (unlikely(RTE_MBUF_INDIRECT(buf)))
+ return rte_mbuf_from_indirect(buf)->pool;
+ return buf->pool;
+}
+
+/**
+ * Get Memory Region (MR) <-> rte_mbuf association from txq->mp2mr[].
+ * Add MP to txq->mp2mr[] if it's not registered yet. If mp2mr[] is full,
+ * remove an entry first.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param[in] mp
+ * Memory Pool for which a Memory Region lkey must be returned.
+ *
+ * @return
+ * mr->lkey on success, (uint32_t)-1 on failure.
+ */
+static __rte_always_inline uint32_t
+mlx5_tx_mb2mr(struct txq *txq, struct rte_mbuf *mb)
+{
+ uint16_t i = txq->mr_cache_idx;
+ uintptr_t addr = rte_pktmbuf_mtod(mb, uintptr_t);
+
+ assert(i < RTE_DIM(txq->mp2mr));
+ if (likely(txq->mp2mr[i].start <= addr && txq->mp2mr[i].end >= addr))
+ return txq->mp2mr[i].lkey;
+ for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
+ if (unlikely(txq->mp2mr[i].mr == NULL)) {
+ /* Unknown MP, add a new MR for it. */
+ break;
+ }
+ if (txq->mp2mr[i].start <= addr &&
+ txq->mp2mr[i].end >= addr) {
+ assert(txq->mp2mr[i].lkey != (uint32_t)-1);
+ assert(htonl(txq->mp2mr[i].mr->lkey) ==
+ txq->mp2mr[i].lkey);
+ txq->mr_cache_idx = i;
+ return txq->mp2mr[i].lkey;
+ }
+ }
+ txq->mr_cache_idx = 0;
+ return txq_mp2mr_reg(txq, mlx5_tx_mb2mp(mb), i);
+}
+
+/**
+ * Ring TX queue doorbell.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param wqe
+ * Pointer to the last WQE posted in the NIC.
+ */
+static __rte_always_inline void
+mlx5_tx_dbrec(struct txq *txq, volatile struct mlx5_wqe *wqe)
+{
+ uint64_t *dst = (uint64_t *)((uintptr_t)txq->bf_reg);
+ volatile uint64_t *src = ((volatile uint64_t *)wqe);
+
+ rte_wmb();
+ *txq->qp_db = htonl(txq->wqe_ci);
+ /* Ensure ordering between DB record and BF copy. */
+ rte_wmb();
+ *dst = *src;
+}
+
#endif /* RTE_PMD_MLX5_RXTX_H_ */
diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_sse.c b/drivers/net/mlx5/mlx5_rxtx_vec_sse.c
new file mode 100644
index 00000000..8560f745
--- /dev/null
+++ b/drivers/net/mlx5/mlx5_rxtx_vec_sse.c
@@ -0,0 +1,1417 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of 6WIND S.A. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include <smmintrin.h>
+
+/* Verbs header. */
+/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/verbs.h>
+#include <infiniband/mlx5_hw.h>
+#include <infiniband/arch.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+/* DPDK headers don't like -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <rte_mbuf.h>
+#include <rte_mempool.h>
+#include <rte_prefetch.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+#include "mlx5.h"
+#include "mlx5_utils.h"
+#include "mlx5_rxtx.h"
+#include "mlx5_autoconf.h"
+#include "mlx5_defs.h"
+#include "mlx5_prm.h"
+
+#ifndef __INTEL_COMPILER
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
+
+/**
+ * Fill in buffer descriptors in a multi-packet send descriptor.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param dseg
+ * Pointer to buffer descriptor to be writen.
+ * @param pkts
+ * Pointer to array of packets to be sent.
+ * @param n
+ * Number of packets to be filled.
+ */
+static inline void
+txq_wr_dseg_v(struct txq *txq, __m128i *dseg,
+ struct rte_mbuf **pkts, unsigned int n)
+{
+ unsigned int pos;
+ uintptr_t addr;
+ const __m128i shuf_mask_dseg =
+ _mm_set_epi8(8, 9, 10, 11, /* addr, bswap64 */
+ 12, 13, 14, 15,
+ 7, 6, 5, 4, /* lkey */
+ 0, 1, 2, 3 /* length, bswap32 */);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ uint32_t tx_byte = 0;
+#endif
+
+ for (pos = 0; pos < n; ++pos, ++dseg) {
+ __m128i desc;
+ struct rte_mbuf *pkt = pkts[pos];
+
+ addr = rte_pktmbuf_mtod(pkt, uintptr_t);
+ desc = _mm_set_epi32(addr >> 32,
+ addr,
+ mlx5_tx_mb2mr(txq, pkt),
+ DATA_LEN(pkt));
+ desc = _mm_shuffle_epi8(desc, shuf_mask_dseg);
+ _mm_store_si128(dseg, desc);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ tx_byte += DATA_LEN(pkt);
+#endif
+ }
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ txq->stats.obytes += tx_byte;
+#endif
+}
+
+/**
+ * Count the number of continuous single segment packets. The first packet must
+ * be a single segment packet.
+ *
+ * @param pkts
+ * Pointer to array of packets.
+ * @param pkts_n
+ * Number of packets.
+ *
+ * @return
+ * Number of continuous single segment packets.
+ */
+static inline unsigned int
+txq_check_multiseg(struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ unsigned int pos;
+
+ if (!pkts_n)
+ return 0;
+ assert(NB_SEGS(pkts[0]) == 1);
+ /* Count the number of continuous single segment packets. */
+ for (pos = 1; pos < pkts_n; ++pos)
+ if (NB_SEGS(pkts[pos]) > 1)
+ break;
+ return pos;
+}
+
+/**
+ * Count the number of packets having same ol_flags and calculate cs_flags.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param pkts
+ * Pointer to array of packets.
+ * @param pkts_n
+ * Number of packets.
+ * @param cs_flags
+ * Pointer of flags to be returned.
+ *
+ * @return
+ * Number of packets having same ol_flags.
+ */
+static inline unsigned int
+txq_calc_offload(struct txq *txq, struct rte_mbuf **pkts, uint16_t pkts_n,
+ uint8_t *cs_flags)
+{
+ unsigned int pos;
+ const uint64_t ol_mask =
+ PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM |
+ PKT_TX_UDP_CKSUM | PKT_TX_TUNNEL_GRE |
+ PKT_TX_TUNNEL_VXLAN | PKT_TX_OUTER_IP_CKSUM;
+
+ if (!pkts_n)
+ return 0;
+ /* Count the number of packets having same ol_flags. */
+ for (pos = 1; pos < pkts_n; ++pos)
+ if ((pkts[pos]->ol_flags ^ pkts[0]->ol_flags) & ol_mask)
+ break;
+ /* Should open another MPW session for the rest. */
+ if (pkts[0]->ol_flags &
+ (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
+ const uint64_t is_tunneled =
+ pkts[0]->ol_flags &
+ (PKT_TX_TUNNEL_GRE |
+ PKT_TX_TUNNEL_VXLAN);
+
+ if (is_tunneled && txq->tunnel_en) {
+ *cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
+ MLX5_ETH_WQE_L4_INNER_CSUM;
+ if (pkts[0]->ol_flags & PKT_TX_OUTER_IP_CKSUM)
+ *cs_flags |= MLX5_ETH_WQE_L3_CSUM;
+ } else {
+ *cs_flags = MLX5_ETH_WQE_L3_CSUM |
+ MLX5_ETH_WQE_L4_CSUM;
+ }
+ }
+ return pos;
+}
+
+/**
+ * Send multi-segmented packets until it encounters a single segment packet in
+ * the pkts list.
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param pkts
+ * Pointer to array of packets to be sent.
+ * @param pkts_n
+ * Number of packets to be sent.
+ *
+ * @return
+ * Number of packets successfully transmitted (<= pkts_n).
+ */
+static uint16_t
+txq_scatter_v(struct txq *txq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ uint16_t elts_head = txq->elts_head;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
+ const uint16_t wq_n = 1 << txq->wqe_n;
+ const uint16_t wq_mask = wq_n - 1;
+ const unsigned int nb_dword_per_wqebb =
+ MLX5_WQE_SIZE / MLX5_WQE_DWORD_SIZE;
+ const unsigned int nb_dword_in_hdr =
+ sizeof(struct mlx5_wqe) / MLX5_WQE_DWORD_SIZE;
+ unsigned int n;
+ volatile struct mlx5_wqe *wqe = NULL;
+
+ assert(elts_n > pkts_n);
+ mlx5_tx_complete(txq);
+ if (unlikely(!pkts_n))
+ return 0;
+ for (n = 0; n < pkts_n; ++n) {
+ struct rte_mbuf *buf = pkts[n];
+ unsigned int segs_n = buf->nb_segs;
+ unsigned int ds = nb_dword_in_hdr;
+ unsigned int len = PKT_LEN(buf);
+ uint16_t wqe_ci = txq->wqe_ci;
+ const __m128i shuf_mask_ctrl =
+ _mm_set_epi8(15, 14, 13, 12,
+ 8, 9, 10, 11, /* bswap32 */
+ 4, 5, 6, 7, /* bswap32 */
+ 0, 1, 2, 3 /* bswap32 */);
+ uint8_t cs_flags = 0;
+ uint16_t max_elts;
+ uint16_t max_wqe;
+ __m128i *t_wqe, *dseg;
+ __m128i ctrl;
+
+ assert(segs_n);
+ max_elts = elts_n - (elts_head - txq->elts_tail);
+ max_wqe = wq_n - (txq->wqe_ci - txq->wqe_pi);
+ /*
+ * A MPW session consumes 2 WQEs at most to
+ * include MLX5_MPW_DSEG_MAX pointers.
+ */
+ if (segs_n == 1 ||
+ max_elts < segs_n || max_wqe < 2)
+ break;
+ wqe = &((volatile struct mlx5_wqe64 *)
+ txq->wqes)[wqe_ci & wq_mask].hdr;
+ if (buf->ol_flags &
+ (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
+ const uint64_t is_tunneled = buf->ol_flags &
+ (PKT_TX_TUNNEL_GRE |
+ PKT_TX_TUNNEL_VXLAN);
+
+ if (is_tunneled && txq->tunnel_en) {
+ cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
+ MLX5_ETH_WQE_L4_INNER_CSUM;
+ if (buf->ol_flags & PKT_TX_OUTER_IP_CKSUM)
+ cs_flags |= MLX5_ETH_WQE_L3_CSUM;
+ } else {
+ cs_flags = MLX5_ETH_WQE_L3_CSUM |
+ MLX5_ETH_WQE_L4_CSUM;
+ }
+ }
+ /* Title WQEBB pointer. */
+ t_wqe = (__m128i *)wqe;
+ dseg = (__m128i *)(wqe + 1);
+ do {
+ if (!(ds++ % nb_dword_per_wqebb)) {
+ dseg = (__m128i *)
+ &((volatile struct mlx5_wqe64 *)
+ txq->wqes)[++wqe_ci & wq_mask];
+ }
+ txq_wr_dseg_v(txq, dseg++, &buf, 1);
+ (*txq->elts)[elts_head++ & elts_m] = buf;
+ buf = buf->next;
+ } while (--segs_n);
+ ++wqe_ci;
+ /* Fill CTRL in the header. */
+ ctrl = _mm_set_epi32(0, 0, txq->qp_num_8s | ds,
+ MLX5_OPC_MOD_MPW << 24 |
+ txq->wqe_ci << 8 | MLX5_OPCODE_TSO);
+ ctrl = _mm_shuffle_epi8(ctrl, shuf_mask_ctrl);
+ _mm_store_si128(t_wqe, ctrl);
+ /* Fill ESEG in the header. */
+ _mm_store_si128(t_wqe + 1,
+ _mm_set_epi16(0, 0, 0, 0,
+ htons(len), cs_flags,
+ 0, 0));
+ txq->wqe_ci = wqe_ci;
+ }
+ if (!n)
+ return 0;
+ txq->elts_comp += (uint16_t)(elts_head - txq->elts_head);
+ txq->elts_head = elts_head;
+ if (txq->elts_comp >= MLX5_TX_COMP_THRESH) {
+ wqe->ctrl[2] = htonl(8);
+ wqe->ctrl[3] = txq->elts_head;
+ txq->elts_comp = 0;
+ ++txq->cq_pi;
+ }
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ txq->stats.opackets += n;
+#endif
+ mlx5_tx_dbrec(txq, wqe);
+ return n;
+}
+
+/**
+ * Send burst of packets with Enhanced MPW. If it encounters a multi-seg packet,
+ * it returns to make it processed by txq_scatter_v(). All the packets in
+ * the pkts list should be single segment packets having same offload flags.
+ * This must be checked by txq_check_multiseg() and txq_calc_offload().
+ *
+ * @param txq
+ * Pointer to TX queue structure.
+ * @param pkts
+ * Pointer to array of packets to be sent.
+ * @param pkts_n
+ * Number of packets to be sent (<= MLX5_VPMD_TX_MAX_BURST).
+ * @param cs_flags
+ * Checksum offload flags to be written in the descriptor.
+ *
+ * @return
+ * Number of packets successfully transmitted (<= pkts_n).
+ */
+static inline uint16_t
+txq_burst_v(struct txq *txq, struct rte_mbuf **pkts, uint16_t pkts_n,
+ uint8_t cs_flags)
+{
+ struct rte_mbuf **elts;
+ uint16_t elts_head = txq->elts_head;
+ const uint16_t elts_n = 1 << txq->elts_n;
+ const uint16_t elts_m = elts_n - 1;
+ const unsigned int nb_dword_per_wqebb =
+ MLX5_WQE_SIZE / MLX5_WQE_DWORD_SIZE;
+ const unsigned int nb_dword_in_hdr =
+ sizeof(struct mlx5_wqe) / MLX5_WQE_DWORD_SIZE;
+ unsigned int n = 0;
+ unsigned int pos;
+ uint16_t max_elts;
+ uint16_t max_wqe;
+ uint32_t comp_req = 0;
+ const uint16_t wq_n = 1 << txq->wqe_n;
+ const uint16_t wq_mask = wq_n - 1;
+ uint16_t wq_idx = txq->wqe_ci & wq_mask;
+ volatile struct mlx5_wqe64 *wq =
+ &((volatile struct mlx5_wqe64 *)txq->wqes)[wq_idx];
+ volatile struct mlx5_wqe *wqe = (volatile struct mlx5_wqe *)wq;
+ const __m128i shuf_mask_ctrl =
+ _mm_set_epi8(15, 14, 13, 12,
+ 8, 9, 10, 11, /* bswap32 */
+ 4, 5, 6, 7, /* bswap32 */
+ 0, 1, 2, 3 /* bswap32 */);
+ __m128i *t_wqe, *dseg;
+ __m128i ctrl;
+
+ /* Make sure all packets can fit into a single WQE. */
+ assert(elts_n > pkts_n);
+ mlx5_tx_complete(txq);
+ max_elts = (elts_n - (elts_head - txq->elts_tail));
+ max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
+ pkts_n = RTE_MIN((unsigned int)RTE_MIN(pkts_n, max_wqe), max_elts);
+ if (unlikely(!pkts_n))
+ return 0;
+ elts = &(*txq->elts)[elts_head & elts_m];
+ /* Loop for available tailroom first. */
+ n = RTE_MIN(elts_n - (elts_head & elts_m), pkts_n);
+ for (pos = 0; pos < (n & -2); pos += 2)
+ _mm_storeu_si128((__m128i *)&elts[pos],
+ _mm_loadu_si128((__m128i *)&pkts[pos]));
+ if (n & 1)
+ elts[pos] = pkts[pos];
+ /* Check if it crosses the end of the queue. */
+ if (unlikely(n < pkts_n)) {
+ elts = &(*txq->elts)[0];
+ for (pos = 0; pos < pkts_n - n; ++pos)
+ elts[pos] = pkts[n + pos];
+ }
+ txq->elts_head += pkts_n;
+ /* Save title WQEBB pointer. */
+ t_wqe = (__m128i *)wqe;
+ dseg = (__m128i *)(wqe + 1);
+ /* Calculate the number of entries to the end. */
+ n = RTE_MIN(
+ (wq_n - wq_idx) * nb_dword_per_wqebb - nb_dword_in_hdr,
+ pkts_n);
+ /* Fill DSEGs. */
+ txq_wr_dseg_v(txq, dseg, pkts, n);
+ /* Check if it crosses the end of the queue. */
+ if (n < pkts_n) {
+ dseg = (__m128i *)txq->wqes;
+ txq_wr_dseg_v(txq, dseg, &pkts[n], pkts_n - n);
+ }
+ if (txq->elts_comp + pkts_n < MLX5_TX_COMP_THRESH) {
+ txq->elts_comp += pkts_n;
+ } else {
+ /* Request a completion. */
+ txq->elts_comp = 0;
+ ++txq->cq_pi;
+ comp_req = 8;
+ }
+ /* Fill CTRL in the header. */
+ ctrl = _mm_set_epi32(txq->elts_head, comp_req,
+ txq->qp_num_8s | (pkts_n + 2),
+ MLX5_OPC_MOD_ENHANCED_MPSW << 24 |
+ txq->wqe_ci << 8 | MLX5_OPCODE_ENHANCED_MPSW);
+ ctrl = _mm_shuffle_epi8(ctrl, shuf_mask_ctrl);
+ _mm_store_si128(t_wqe, ctrl);
+ /* Fill ESEG in the header. */
+ _mm_store_si128(t_wqe + 1,
+ _mm_set_epi8(0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, cs_flags,
+ 0, 0, 0, 0));
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ txq->stats.opackets += pkts_n;
+#endif
+ txq->wqe_ci += (nb_dword_in_hdr + pkts_n + (nb_dword_per_wqebb - 1)) /
+ nb_dword_per_wqebb;
+ /* Ring QP doorbell. */
+ mlx5_tx_dbrec(txq, wqe);
+ return pkts_n;
+}
+
+/**
+ * DPDK callback for vectorized TX.
+ *
+ * @param dpdk_txq
+ * Generic pointer to TX queue structure.
+ * @param[in] pkts
+ * Packets to transmit.
+ * @param pkts_n
+ * Number of packets in array.
+ *
+ * @return
+ * Number of packets successfully transmitted (<= pkts_n).
+ */
+uint16_t
+mlx5_tx_burst_raw_vec(void *dpdk_txq, struct rte_mbuf **pkts,
+ uint16_t pkts_n)
+{
+ struct txq *txq = (struct txq *)dpdk_txq;
+ uint16_t nb_tx = 0;
+
+ while (pkts_n > nb_tx) {
+ uint16_t n;
+ uint16_t ret;
+
+ n = RTE_MIN((uint16_t)(pkts_n - nb_tx), MLX5_VPMD_TX_MAX_BURST);
+ ret = txq_burst_v(txq, &pkts[nb_tx], n, 0);
+ nb_tx += ret;
+ if (!ret)
+ break;
+ }
+ return nb_tx;
+}
+
+/**
+ * DPDK callback for vectorized TX with multi-seg packets and offload.
+ *
+ * @param dpdk_txq
+ * Generic pointer to TX queue structure.
+ * @param[in] pkts
+ * Packets to transmit.
+ * @param pkts_n
+ * Number of packets in array.
+ *
+ * @return
+ * Number of packets successfully transmitted (<= pkts_n).
+ */
+uint16_t
+mlx5_tx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ struct txq *txq = (struct txq *)dpdk_txq;
+ uint16_t nb_tx = 0;
+
+ while (pkts_n > nb_tx) {
+ uint8_t cs_flags = 0;
+ uint16_t n;
+ uint16_t ret;
+
+ /* Transmit multi-seg packets in the head of pkts list. */
+ if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS) &&
+ NB_SEGS(pkts[nb_tx]) > 1)
+ nb_tx += txq_scatter_v(txq,
+ &pkts[nb_tx],
+ pkts_n - nb_tx);
+ n = RTE_MIN((uint16_t)(pkts_n - nb_tx), MLX5_VPMD_TX_MAX_BURST);
+ if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS))
+ n = txq_check_multiseg(&pkts[nb_tx], n);
+ if (!(txq->flags & ETH_TXQ_FLAGS_NOOFFLOADS))
+ n = txq_calc_offload(txq, &pkts[nb_tx], n, &cs_flags);
+ ret = txq_burst_v(txq, &pkts[nb_tx], n, cs_flags);
+ nb_tx += ret;
+ if (!ret)
+ break;
+ }
+ return nb_tx;
+}
+
+/**
+ * Store free buffers to RX SW ring.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param pkts
+ * Pointer to array of packets to be stored.
+ * @param pkts_n
+ * Number of packets to be stored.
+ */
+static inline void
+rxq_copy_mbuf_v(struct rxq *rxq, struct rte_mbuf **pkts, uint16_t n)
+{
+ const uint16_t q_mask = (1 << rxq->elts_n) - 1;
+ struct rte_mbuf **elts = &(*rxq->elts)[rxq->rq_pi & q_mask];
+ unsigned int pos;
+ uint16_t p = n & -2;
+
+ for (pos = 0; pos < p; pos += 2) {
+ __m128i mbp;
+
+ mbp = _mm_loadu_si128((__m128i *)&elts[pos]);
+ _mm_storeu_si128((__m128i *)&pkts[pos], mbp);
+ }
+ if (n & 1)
+ pkts[pos] = elts[pos];
+}
+
+/**
+ * Replenish buffers for RX in bulk.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param n
+ * Number of buffers to be replenished.
+ */
+static inline void
+rxq_replenish_bulk_mbuf(struct rxq *rxq, uint16_t n)
+{
+ const uint16_t q_n = 1 << rxq->elts_n;
+ const uint16_t q_mask = q_n - 1;
+ const uint16_t elts_idx = rxq->rq_ci & q_mask;
+ struct rte_mbuf **elts = &(*rxq->elts)[elts_idx];
+ volatile struct mlx5_wqe_data_seg *wq = &(*rxq->wqes)[elts_idx];
+ unsigned int i;
+
+ assert(n >= MLX5_VPMD_RXQ_RPLNSH_THRESH);
+ assert(n <= (uint16_t)(q_n - (rxq->rq_ci - rxq->rq_pi)));
+ assert(MLX5_VPMD_RXQ_RPLNSH_THRESH > MLX5_VPMD_DESCS_PER_LOOP);
+ /* Not to cross queue end. */
+ n = RTE_MIN(n - MLX5_VPMD_DESCS_PER_LOOP, q_n - elts_idx);
+ if (rte_mempool_get_bulk(rxq->mp, (void *)elts, n) < 0) {
+ rxq->stats.rx_nombuf += n;
+ return;
+ }
+ for (i = 0; i < n; ++i)
+ wq[i].addr = htonll((uintptr_t)elts[i]->buf_addr +
+ RTE_PKTMBUF_HEADROOM);
+ rxq->rq_ci += n;
+ rte_wmb();
+ *rxq->rq_db = htonl(rxq->rq_ci);
+}
+
+/**
+ * Decompress a compressed completion and fill in mbufs in RX SW ring with data
+ * extracted from the title completion descriptor.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param cq
+ * Pointer to completion array having a compressed completion at first.
+ * @param elts
+ * Pointer to SW ring to be filled. The first mbuf has to be pre-built from
+ * the title completion descriptor to be copied to the rest of mbufs.
+ */
+static inline void
+rxq_cq_decompress_v(struct rxq *rxq,
+ volatile struct mlx5_cqe *cq,
+ struct rte_mbuf **elts)
+{
+ volatile struct mlx5_mini_cqe8 *mcq = (void *)(cq + 1);
+ struct rte_mbuf *t_pkt = elts[0]; /* Title packet is pre-built. */
+ unsigned int pos;
+ unsigned int i;
+ unsigned int inv = 0;
+ /* Mask to shuffle from extracted mini CQE to mbuf. */
+ const __m128i shuf_mask1 =
+ _mm_set_epi8(0, 1, 2, 3, /* rss, bswap32 */
+ -1, -1, /* skip vlan_tci */
+ 6, 7, /* data_len, bswap16 */
+ -1, -1, 6, 7, /* pkt_len, bswap16 */
+ -1, -1, -1, -1 /* skip packet_type */);
+ const __m128i shuf_mask2 =
+ _mm_set_epi8(8, 9, 10, 11, /* rss, bswap32 */
+ -1, -1, /* skip vlan_tci */
+ 14, 15, /* data_len, bswap16 */
+ -1, -1, 14, 15, /* pkt_len, bswap16 */
+ -1, -1, -1, -1 /* skip packet_type */);
+ /* Restore the compressed count. Must be 16 bits. */
+ const uint16_t mcqe_n = t_pkt->data_len +
+ (rxq->crc_present * ETHER_CRC_LEN);
+ const __m128i rearm =
+ _mm_loadu_si128((__m128i *)&t_pkt->rearm_data);
+ const __m128i rxdf =
+ _mm_loadu_si128((__m128i *)&t_pkt->rx_descriptor_fields1);
+ const __m128i crc_adj =
+ _mm_set_epi16(0, 0, 0,
+ rxq->crc_present * ETHER_CRC_LEN,
+ 0,
+ rxq->crc_present * ETHER_CRC_LEN,
+ 0, 0);
+ const uint32_t flow_tag = t_pkt->hash.fdir.hi;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i ones = _mm_cmpeq_epi32(zero, zero);
+ uint32_t rcvd_byte = 0;
+ /* Mask to shuffle byte_cnt to add up stats. Do bswap16 for all. */
+ const __m128i len_shuf_mask =
+ _mm_set_epi8(-1, -1, -1, -1,
+ -1, -1, -1, -1,
+ 14, 15, 6, 7,
+ 10, 11, 2, 3);
+#endif
+
+ /* Compile time sanity check for this function. */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, hash) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12);
+ /*
+ * A. load mCQEs into a 128bit register.
+ * B. store rearm data to mbuf.
+ * C. combine data from mCQEs with rx_descriptor_fields1.
+ * D. store rx_descriptor_fields1.
+ * E. store flow tag (rte_flow mark).
+ */
+ for (pos = 0; pos < mcqe_n; ) {
+ __m128i mcqe1, mcqe2;
+ __m128i rxdf1, rxdf2;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ __m128i byte_cnt, invalid_mask;
+#endif
+
+ if (!(pos & 0x7) && pos + 8 < mcqe_n)
+ rte_prefetch0((void *)(cq + pos + 8));
+ /* A.1 load mCQEs into a 128bit register. */
+ mcqe1 = _mm_loadu_si128((__m128i *)&mcq[pos % 8]);
+ mcqe2 = _mm_loadu_si128((__m128i *)&mcq[pos % 8 + 2]);
+ /* B.1 store rearm data to mbuf. */
+ _mm_storeu_si128((__m128i *)&elts[pos]->rearm_data, rearm);
+ _mm_storeu_si128((__m128i *)&elts[pos + 1]->rearm_data, rearm);
+ /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
+ rxdf1 = _mm_shuffle_epi8(mcqe1, shuf_mask1);
+ rxdf2 = _mm_shuffle_epi8(mcqe1, shuf_mask2);
+ rxdf1 = _mm_sub_epi16(rxdf1, crc_adj);
+ rxdf2 = _mm_sub_epi16(rxdf2, crc_adj);
+ rxdf1 = _mm_blend_epi16(rxdf1, rxdf, 0x23);
+ rxdf2 = _mm_blend_epi16(rxdf2, rxdf, 0x23);
+ /* D.1 store rx_descriptor_fields1. */
+ _mm_storeu_si128((__m128i *)
+ &elts[pos]->rx_descriptor_fields1,
+ rxdf1);
+ _mm_storeu_si128((__m128i *)
+ &elts[pos + 1]->rx_descriptor_fields1,
+ rxdf2);
+ /* B.1 store rearm data to mbuf. */
+ _mm_storeu_si128((__m128i *)&elts[pos + 2]->rearm_data, rearm);
+ _mm_storeu_si128((__m128i *)&elts[pos + 3]->rearm_data, rearm);
+ /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
+ rxdf1 = _mm_shuffle_epi8(mcqe2, shuf_mask1);
+ rxdf2 = _mm_shuffle_epi8(mcqe2, shuf_mask2);
+ rxdf1 = _mm_sub_epi16(rxdf1, crc_adj);
+ rxdf2 = _mm_sub_epi16(rxdf2, crc_adj);
+ rxdf1 = _mm_blend_epi16(rxdf1, rxdf, 0x23);
+ rxdf2 = _mm_blend_epi16(rxdf2, rxdf, 0x23);
+ /* D.1 store rx_descriptor_fields1. */
+ _mm_storeu_si128((__m128i *)
+ &elts[pos + 2]->rx_descriptor_fields1,
+ rxdf1);
+ _mm_storeu_si128((__m128i *)
+ &elts[pos + 3]->rx_descriptor_fields1,
+ rxdf2);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ invalid_mask = _mm_set_epi64x(0,
+ (mcqe_n - pos) *
+ sizeof(uint16_t) * 8);
+ invalid_mask = _mm_sll_epi64(ones, invalid_mask);
+ mcqe1 = _mm_srli_si128(mcqe1, 4);
+ byte_cnt = _mm_blend_epi16(mcqe1, mcqe2, 0xcc);
+ byte_cnt = _mm_shuffle_epi8(byte_cnt, len_shuf_mask);
+ byte_cnt = _mm_andnot_si128(invalid_mask, byte_cnt);
+ byte_cnt = _mm_hadd_epi16(byte_cnt, zero);
+ rcvd_byte += _mm_cvtsi128_si64(_mm_hadd_epi16(byte_cnt, zero));
+#endif
+ if (rxq->mark) {
+ /* E.1 store flow tag (rte_flow mark). */
+ elts[pos]->hash.fdir.hi = flow_tag;
+ elts[pos + 1]->hash.fdir.hi = flow_tag;
+ elts[pos + 2]->hash.fdir.hi = flow_tag;
+ elts[pos + 3]->hash.fdir.hi = flow_tag;
+ }
+ pos += MLX5_VPMD_DESCS_PER_LOOP;
+ /* Move to next CQE and invalidate consumed CQEs. */
+ if (!(pos & 0x7) && pos < mcqe_n) {
+ mcq = (void *)(cq + pos);
+ for (i = 0; i < 8; ++i)
+ cq[inv++].op_own = MLX5_CQE_INVALIDATE;
+ }
+ }
+ /* Invalidate the rest of CQEs. */
+ for (; inv < mcqe_n; ++inv)
+ cq[inv].op_own = MLX5_CQE_INVALIDATE;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ rxq->stats.ipackets += mcqe_n;
+ rxq->stats.ibytes += rcvd_byte;
+#endif
+ rxq->cq_ci += mcqe_n;
+}
+
+/**
+ * Calculate packet type and offload flag for mbuf and store it.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param cqes[4]
+ * Array of four 16bytes completions extracted from the original completion
+ * descriptor.
+ * @param op_err
+ * Opcode vector having responder error status. Each field is 4B.
+ * @param pkts
+ * Pointer to array of packets to be filled.
+ */
+static inline void
+rxq_cq_to_ptype_oflags_v(struct rxq *rxq, __m128i cqes[4], __m128i op_err,
+ struct rte_mbuf **pkts)
+{
+ __m128i pinfo0, pinfo1;
+ __m128i pinfo, ptype;
+ __m128i ol_flags = _mm_set1_epi32(rxq->rss_hash * PKT_RX_RSS_HASH);
+ __m128i cv_flags;
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i ptype_mask =
+ _mm_set_epi32(0xfd06, 0xfd06, 0xfd06, 0xfd06);
+ const __m128i ptype_ol_mask =
+ _mm_set_epi32(0x106, 0x106, 0x106, 0x106);
+ const __m128i pinfo_mask =
+ _mm_set_epi32(0x3, 0x3, 0x3, 0x3);
+ const __m128i cv_flag_sel =
+ _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0,
+ (uint8_t)((PKT_RX_IP_CKSUM_GOOD |
+ PKT_RX_L4_CKSUM_GOOD) >> 1),
+ 0,
+ (uint8_t)(PKT_RX_L4_CKSUM_GOOD >> 1),
+ 0,
+ (uint8_t)(PKT_RX_IP_CKSUM_GOOD >> 1),
+ (uint8_t)(PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED),
+ 0);
+ const __m128i cv_mask =
+ _mm_set_epi32(PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED);
+ const __m128i mbuf_init =
+ _mm_loadl_epi64((__m128i *)&rxq->mbuf_initializer);
+ __m128i rearm0, rearm1, rearm2, rearm3;
+
+ /* Extract pkt_info field. */
+ pinfo0 = _mm_unpacklo_epi32(cqes[0], cqes[1]);
+ pinfo1 = _mm_unpacklo_epi32(cqes[2], cqes[3]);
+ pinfo = _mm_unpacklo_epi64(pinfo0, pinfo1);
+ /* Extract hdr_type_etc field. */
+ pinfo0 = _mm_unpackhi_epi32(cqes[0], cqes[1]);
+ pinfo1 = _mm_unpackhi_epi32(cqes[2], cqes[3]);
+ ptype = _mm_unpacklo_epi64(pinfo0, pinfo1);
+ if (rxq->mark) {
+ const __m128i pinfo_ft_mask =
+ _mm_set_epi32(0xffffff00, 0xffffff00,
+ 0xffffff00, 0xffffff00);
+ const __m128i fdir_flags = _mm_set1_epi32(PKT_RX_FDIR);
+ const __m128i fdir_id_flags = _mm_set1_epi32(PKT_RX_FDIR_ID);
+ __m128i flow_tag, invalid_mask;
+
+ flow_tag = _mm_and_si128(pinfo, pinfo_ft_mask);
+ /* Check if flow tag is non-zero then set PKT_RX_FDIR. */
+ invalid_mask = _mm_cmpeq_epi32(flow_tag, zero);
+ ol_flags = _mm_or_si128(ol_flags,
+ _mm_andnot_si128(invalid_mask,
+ fdir_flags));
+ /* Mask out invalid entries. */
+ flow_tag = _mm_andnot_si128(invalid_mask, flow_tag);
+ /* Check if flow tag MLX5_FLOW_MARK_DEFAULT. */
+ ol_flags = _mm_or_si128(ol_flags,
+ _mm_andnot_si128(
+ _mm_cmpeq_epi32(flow_tag,
+ pinfo_ft_mask),
+ fdir_id_flags));
+ }
+ /*
+ * Merge the two fields to generate the following:
+ * bit[1] = l3_ok
+ * bit[2] = l4_ok
+ * bit[8] = cv
+ * bit[11:10] = l3_hdr_type
+ * bit[14:12] = l4_hdr_type
+ * bit[15] = ip_frag
+ * bit[16] = tunneled
+ * bit[17] = outer_l3_type
+ */
+ ptype = _mm_and_si128(ptype, ptype_mask);
+ pinfo = _mm_and_si128(pinfo, pinfo_mask);
+ pinfo = _mm_slli_epi32(pinfo, 16);
+ /* Make pinfo has merged fields for ol_flags calculation. */
+ pinfo = _mm_or_si128(ptype, pinfo);
+ ptype = _mm_srli_epi32(pinfo, 10);
+ ptype = _mm_packs_epi32(ptype, zero);
+ /* Errored packets will have RTE_PTYPE_ALL_MASK. */
+ op_err = _mm_srli_epi16(op_err, 8);
+ ptype = _mm_or_si128(ptype, op_err);
+ pkts[0]->packet_type = mlx5_ptype_table[_mm_extract_epi8(ptype, 0)];
+ pkts[1]->packet_type = mlx5_ptype_table[_mm_extract_epi8(ptype, 2)];
+ pkts[2]->packet_type = mlx5_ptype_table[_mm_extract_epi8(ptype, 4)];
+ pkts[3]->packet_type = mlx5_ptype_table[_mm_extract_epi8(ptype, 6)];
+ /* Fill flags for checksum and VLAN. */
+ pinfo = _mm_and_si128(pinfo, ptype_ol_mask);
+ pinfo = _mm_shuffle_epi8(cv_flag_sel, pinfo);
+ /* Locate checksum flags at byte[2:1] and merge with VLAN flags. */
+ cv_flags = _mm_slli_epi32(pinfo, 9);
+ cv_flags = _mm_or_si128(pinfo, cv_flags);
+ /* Move back flags to start from byte[0]. */
+ cv_flags = _mm_srli_epi32(cv_flags, 8);
+ /* Mask out garbage bits. */
+ cv_flags = _mm_and_si128(cv_flags, cv_mask);
+ /* Merge to ol_flags. */
+ ol_flags = _mm_or_si128(ol_flags, cv_flags);
+ /* Merge mbuf_init and ol_flags. */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, rearm_data) + 8);
+ rearm0 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(ol_flags, 8), 0x30);
+ rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(ol_flags, 4), 0x30);
+ rearm2 = _mm_blend_epi16(mbuf_init, ol_flags, 0x30);
+ rearm3 = _mm_blend_epi16(mbuf_init, _mm_srli_si128(ol_flags, 4), 0x30);
+ /* Write 8B rearm_data and 8B ol_flags. */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, rearm_data) !=
+ RTE_ALIGN(offsetof(struct rte_mbuf, rearm_data), 16));
+ _mm_store_si128((__m128i *)&pkts[0]->rearm_data, rearm0);
+ _mm_store_si128((__m128i *)&pkts[1]->rearm_data, rearm1);
+ _mm_store_si128((__m128i *)&pkts[2]->rearm_data, rearm2);
+ _mm_store_si128((__m128i *)&pkts[3]->rearm_data, rearm3);
+}
+
+/**
+ * Skip error packets.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param[out] pkts
+ * Array to store received packets.
+ * @param pkts_n
+ * Maximum number of packets in array.
+ *
+ * @return
+ * Number of packets successfully received (<= pkts_n).
+ */
+static uint16_t
+rxq_handle_pending_error(struct rxq *rxq, struct rte_mbuf **pkts,
+ uint16_t pkts_n)
+{
+ uint16_t n = 0;
+ unsigned int i;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ uint32_t err_bytes = 0;
+#endif
+
+ for (i = 0; i < pkts_n; ++i) {
+ struct rte_mbuf *pkt = pkts[i];
+
+ if (pkt->packet_type == RTE_PTYPE_ALL_MASK) {
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ err_bytes += PKT_LEN(pkt);
+#endif
+ rte_pktmbuf_free_seg(pkt);
+ } else {
+ pkts[n++] = pkt;
+ }
+ }
+ rxq->stats.idropped += (pkts_n - n);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ /* Correct counters of errored completions. */
+ rxq->stats.ipackets -= (pkts_n - n);
+ rxq->stats.ibytes -= err_bytes;
+#endif
+ rxq->pending_err = 0;
+ return n;
+}
+
+/**
+ * Receive burst of packets. An errored completion also consumes a mbuf, but the
+ * packet_type is set to be RTE_PTYPE_ALL_MASK. Marked mbufs should be freed
+ * before returning to application.
+ *
+ * @param rxq
+ * Pointer to RX queue structure.
+ * @param[out] pkts
+ * Array to store received packets.
+ * @param pkts_n
+ * Maximum number of packets in array.
+ *
+ * @return
+ * Number of packets received including errors (<= pkts_n).
+ */
+static inline uint16_t
+rxq_burst_v(struct rxq *rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ const uint16_t q_n = 1 << rxq->cqe_n;
+ const uint16_t q_mask = q_n - 1;
+ volatile struct mlx5_cqe *cq;
+ struct rte_mbuf **elts;
+ unsigned int pos;
+ uint64_t n;
+ uint16_t repl_n;
+ uint64_t comp_idx = MLX5_VPMD_DESCS_PER_LOOP;
+ uint16_t nocmp_n = 0;
+ uint16_t rcvd_pkt = 0;
+ unsigned int cq_idx = rxq->cq_ci & q_mask;
+ unsigned int elts_idx;
+ unsigned int ownership = !!(rxq->cq_ci & (q_mask + 1));
+ const __m128i owner_check =
+ _mm_set_epi64x(0x0100000001000000LL, 0x0100000001000000LL);
+ const __m128i opcode_check =
+ _mm_set_epi64x(0xf0000000f0000000LL, 0xf0000000f0000000LL);
+ const __m128i format_check =
+ _mm_set_epi64x(0x0c0000000c000000LL, 0x0c0000000c000000LL);
+ const __m128i resp_err_check =
+ _mm_set_epi64x(0xe0000000e0000000LL, 0xe0000000e0000000LL);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ uint32_t rcvd_byte = 0;
+ /* Mask to shuffle byte_cnt to add up stats. Do bswap16 for all. */
+ const __m128i len_shuf_mask =
+ _mm_set_epi8(-1, -1, -1, -1,
+ -1, -1, -1, -1,
+ 12, 13, 8, 9,
+ 4, 5, 0, 1);
+#endif
+ /* Mask to shuffle from extracted CQE to mbuf. */
+ const __m128i shuf_mask =
+ _mm_set_epi8(-1, 3, 2, 1, /* fdir.hi */
+ 12, 13, 14, 15, /* rss, bswap32 */
+ 10, 11, /* vlan_tci, bswap16 */
+ 4, 5, /* data_len, bswap16 */
+ -1, -1, /* zero out 2nd half of pkt_len */
+ 4, 5 /* pkt_len, bswap16 */);
+ /* Mask to blend from the last Qword to the first DQword. */
+ const __m128i blend_mask =
+ _mm_set_epi8(-1, -1, -1, -1,
+ -1, -1, -1, -1,
+ 0, 0, 0, 0,
+ 0, 0, 0, -1);
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i ones = _mm_cmpeq_epi32(zero, zero);
+ const __m128i crc_adj =
+ _mm_set_epi16(0, 0, 0, 0, 0,
+ rxq->crc_present * ETHER_CRC_LEN,
+ 0,
+ rxq->crc_present * ETHER_CRC_LEN);
+ const __m128i flow_mark_adj = _mm_set_epi32(rxq->mark * (-1), 0, 0, 0);
+
+ /* Compile time sanity check for this function. */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, pkt_info) != 0);
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, rx_hash_res) !=
+ offsetof(struct mlx5_cqe, pkt_info) + 12);
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, rsvd1) +
+ sizeof(((struct mlx5_cqe *)0)->rsvd1) !=
+ offsetof(struct mlx5_cqe, hdr_type_etc));
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, vlan_info) !=
+ offsetof(struct mlx5_cqe, hdr_type_etc) + 2);
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, rsvd2) +
+ sizeof(((struct mlx5_cqe *)0)->rsvd2) !=
+ offsetof(struct mlx5_cqe, byte_cnt));
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, sop_drop_qpn) !=
+ RTE_ALIGN(offsetof(struct mlx5_cqe, sop_drop_qpn), 8));
+ RTE_BUILD_BUG_ON(offsetof(struct mlx5_cqe, op_own) !=
+ offsetof(struct mlx5_cqe, sop_drop_qpn) + 7);
+ assert(rxq->sges_n == 0);
+ assert(rxq->cqe_n == rxq->elts_n);
+ cq = &(*rxq->cqes)[cq_idx];
+ rte_prefetch0(cq);
+ rte_prefetch0(cq + 1);
+ rte_prefetch0(cq + 2);
+ rte_prefetch0(cq + 3);
+ pkts_n = RTE_MIN(pkts_n, MLX5_VPMD_RX_MAX_BURST);
+ /*
+ * Order of indexes:
+ * rq_ci >= cq_ci >= rq_pi
+ * Definition of indexes:
+ * rq_ci - cq_ci := # of buffers owned by HW (posted).
+ * cq_ci - rq_pi := # of buffers not returned to app (decompressed).
+ * N - (rq_ci - rq_pi) := # of buffers consumed (to be replenished).
+ */
+ repl_n = q_n - (rxq->rq_ci - rxq->rq_pi);
+ if (repl_n >= MLX5_VPMD_RXQ_RPLNSH_THRESH)
+ rxq_replenish_bulk_mbuf(rxq, repl_n);
+ /* See if there're unreturned mbufs from compressed CQE. */
+ rcvd_pkt = rxq->cq_ci - rxq->rq_pi;
+ if (rcvd_pkt > 0) {
+ rcvd_pkt = RTE_MIN(rcvd_pkt, pkts_n);
+ rxq_copy_mbuf_v(rxq, pkts, rcvd_pkt);
+ rxq->rq_pi += rcvd_pkt;
+ pkts += rcvd_pkt;
+ }
+ elts_idx = rxq->rq_pi & q_mask;
+ elts = &(*rxq->elts)[elts_idx];
+ /* Not to overflow pkts array. */
+ pkts_n = RTE_ALIGN_FLOOR(pkts_n - rcvd_pkt, MLX5_VPMD_DESCS_PER_LOOP);
+ /* Not to cross queue end. */
+ pkts_n = RTE_MIN(pkts_n, q_n - elts_idx);
+ if (!pkts_n)
+ return rcvd_pkt;
+ /* At this point, there shouldn't be any remained packets. */
+ assert(rxq->rq_pi == rxq->cq_ci);
+ /*
+ * A. load first Qword (8bytes) in one loop.
+ * B. copy 4 mbuf pointers from elts ring to returing pkts.
+ * C. load remained CQE data and extract necessary fields.
+ * Final 16bytes cqes[] extracted from original 64bytes CQE has the
+ * following structure:
+ * struct {
+ * uint8_t pkt_info;
+ * uint8_t flow_tag[3];
+ * uint16_t byte_cnt;
+ * uint8_t rsvd4;
+ * uint8_t op_own;
+ * uint16_t hdr_type_etc;
+ * uint16_t vlan_info;
+ * uint32_t rx_has_res;
+ * } c;
+ * D. fill in mbuf.
+ * E. get valid CQEs.
+ * F. find compressed CQE.
+ */
+ for (pos = 0;
+ pos < pkts_n;
+ pos += MLX5_VPMD_DESCS_PER_LOOP) {
+ __m128i cqes[MLX5_VPMD_DESCS_PER_LOOP];
+ __m128i cqe_tmp1, cqe_tmp2;
+ __m128i pkt_mb0, pkt_mb1, pkt_mb2, pkt_mb3;
+ __m128i op_own, op_own_tmp1, op_own_tmp2;
+ __m128i opcode, owner_mask, invalid_mask;
+ __m128i comp_mask;
+ __m128i mask;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ __m128i byte_cnt;
+#endif
+ __m128i mbp1, mbp2;
+ __m128i p = _mm_set_epi16(0, 0, 0, 0, 3, 2, 1, 0);
+ unsigned int p1, p2, p3;
+
+ /* Prefetch next 4 CQEs. */
+ if (pkts_n - pos >= 2 * MLX5_VPMD_DESCS_PER_LOOP) {
+ rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP]);
+ rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 1]);
+ rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 2]);
+ rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 3]);
+ }
+ /* A.0 do not cross the end of CQ. */
+ mask = _mm_set_epi64x(0, (pkts_n - pos) * sizeof(uint16_t) * 8);
+ mask = _mm_sll_epi64(ones, mask);
+ p = _mm_andnot_si128(mask, p);
+ /* A.1 load cqes. */
+ p3 = _mm_extract_epi16(p, 3);
+ cqes[3] = _mm_loadl_epi64((__m128i *)
+ &cq[pos + p3].sop_drop_qpn);
+ rte_compiler_barrier();
+ p2 = _mm_extract_epi16(p, 2);
+ cqes[2] = _mm_loadl_epi64((__m128i *)
+ &cq[pos + p2].sop_drop_qpn);
+ rte_compiler_barrier();
+ /* B.1 load mbuf pointers. */
+ mbp1 = _mm_loadu_si128((__m128i *)&elts[pos]);
+ mbp2 = _mm_loadu_si128((__m128i *)&elts[pos + 2]);
+ /* A.1 load a block having op_own. */
+ p1 = _mm_extract_epi16(p, 1);
+ cqes[1] = _mm_loadl_epi64((__m128i *)
+ &cq[pos + p1].sop_drop_qpn);
+ rte_compiler_barrier();
+ cqes[0] = _mm_loadl_epi64((__m128i *)
+ &cq[pos].sop_drop_qpn);
+ /* B.2 copy mbuf pointers. */
+ _mm_storeu_si128((__m128i *)&pkts[pos], mbp1);
+ _mm_storeu_si128((__m128i *)&pkts[pos + 2], mbp2);
+ rte_compiler_barrier();
+ /* C.1 load remained CQE data and extract necessary fields. */
+ cqe_tmp2 = _mm_load_si128((__m128i *)&cq[pos + p3]);
+ cqe_tmp1 = _mm_load_si128((__m128i *)&cq[pos + p2]);
+ cqes[3] = _mm_blendv_epi8(cqes[3], cqe_tmp2, blend_mask);
+ cqes[2] = _mm_blendv_epi8(cqes[2], cqe_tmp1, blend_mask);
+ cqe_tmp2 = _mm_loadu_si128((__m128i *)&cq[pos + p3].rsvd1[3]);
+ cqe_tmp1 = _mm_loadu_si128((__m128i *)&cq[pos + p2].rsvd1[3]);
+ cqes[3] = _mm_blend_epi16(cqes[3], cqe_tmp2, 0x30);
+ cqes[2] = _mm_blend_epi16(cqes[2], cqe_tmp1, 0x30);
+ cqe_tmp2 = _mm_loadl_epi64((__m128i *)&cq[pos + p3].rsvd2[10]);
+ cqe_tmp1 = _mm_loadl_epi64((__m128i *)&cq[pos + p2].rsvd2[10]);
+ cqes[3] = _mm_blend_epi16(cqes[3], cqe_tmp2, 0x04);
+ cqes[2] = _mm_blend_epi16(cqes[2], cqe_tmp1, 0x04);
+ /* C.2 generate final structure for mbuf with swapping bytes. */
+ pkt_mb3 = _mm_shuffle_epi8(cqes[3], shuf_mask);
+ pkt_mb2 = _mm_shuffle_epi8(cqes[2], shuf_mask);
+ /* C.3 adjust CRC length. */
+ pkt_mb3 = _mm_sub_epi16(pkt_mb3, crc_adj);
+ pkt_mb2 = _mm_sub_epi16(pkt_mb2, crc_adj);
+ /* C.4 adjust flow mark. */
+ pkt_mb3 = _mm_add_epi32(pkt_mb3, flow_mark_adj);
+ pkt_mb2 = _mm_add_epi32(pkt_mb2, flow_mark_adj);
+ /* D.1 fill in mbuf - rx_descriptor_fields1. */
+ _mm_storeu_si128((void *)&pkts[pos + 3]->pkt_len, pkt_mb3);
+ _mm_storeu_si128((void *)&pkts[pos + 2]->pkt_len, pkt_mb2);
+ /* E.1 extract op_own field. */
+ op_own_tmp2 = _mm_unpacklo_epi32(cqes[2], cqes[3]);
+ /* C.1 load remained CQE data and extract necessary fields. */
+ cqe_tmp2 = _mm_load_si128((__m128i *)&cq[pos + p1]);
+ cqe_tmp1 = _mm_load_si128((__m128i *)&cq[pos]);
+ cqes[1] = _mm_blendv_epi8(cqes[1], cqe_tmp2, blend_mask);
+ cqes[0] = _mm_blendv_epi8(cqes[0], cqe_tmp1, blend_mask);
+ cqe_tmp2 = _mm_loadu_si128((__m128i *)&cq[pos + p1].rsvd1[3]);
+ cqe_tmp1 = _mm_loadu_si128((__m128i *)&cq[pos].rsvd1[3]);
+ cqes[1] = _mm_blend_epi16(cqes[1], cqe_tmp2, 0x30);
+ cqes[0] = _mm_blend_epi16(cqes[0], cqe_tmp1, 0x30);
+ cqe_tmp2 = _mm_loadl_epi64((__m128i *)&cq[pos + p1].rsvd2[10]);
+ cqe_tmp1 = _mm_loadl_epi64((__m128i *)&cq[pos].rsvd2[10]);
+ cqes[1] = _mm_blend_epi16(cqes[1], cqe_tmp2, 0x04);
+ cqes[0] = _mm_blend_epi16(cqes[0], cqe_tmp1, 0x04);
+ /* C.2 generate final structure for mbuf with swapping bytes. */
+ pkt_mb1 = _mm_shuffle_epi8(cqes[1], shuf_mask);
+ pkt_mb0 = _mm_shuffle_epi8(cqes[0], shuf_mask);
+ /* C.3 adjust CRC length. */
+ pkt_mb1 = _mm_sub_epi16(pkt_mb1, crc_adj);
+ pkt_mb0 = _mm_sub_epi16(pkt_mb0, crc_adj);
+ /* C.4 adjust flow mark. */
+ pkt_mb1 = _mm_add_epi32(pkt_mb1, flow_mark_adj);
+ pkt_mb0 = _mm_add_epi32(pkt_mb0, flow_mark_adj);
+ /* E.1 extract op_own byte. */
+ op_own_tmp1 = _mm_unpacklo_epi32(cqes[0], cqes[1]);
+ op_own = _mm_unpackhi_epi64(op_own_tmp1, op_own_tmp2);
+ /* D.1 fill in mbuf - rx_descriptor_fields1. */
+ _mm_storeu_si128((void *)&pkts[pos + 1]->pkt_len, pkt_mb1);
+ _mm_storeu_si128((void *)&pkts[pos]->pkt_len, pkt_mb0);
+ /* E.2 flip owner bit to mark CQEs from last round. */
+ owner_mask = _mm_and_si128(op_own, owner_check);
+ if (ownership)
+ owner_mask = _mm_xor_si128(owner_mask, owner_check);
+ owner_mask = _mm_cmpeq_epi32(owner_mask, owner_check);
+ owner_mask = _mm_packs_epi32(owner_mask, zero);
+ /* E.3 get mask for invalidated CQEs. */
+ opcode = _mm_and_si128(op_own, opcode_check);
+ invalid_mask = _mm_cmpeq_epi32(opcode_check, opcode);
+ invalid_mask = _mm_packs_epi32(invalid_mask, zero);
+ /* E.4 mask out beyond boundary. */
+ invalid_mask = _mm_or_si128(invalid_mask, mask);
+ /* E.5 merge invalid_mask with invalid owner. */
+ invalid_mask = _mm_or_si128(invalid_mask, owner_mask);
+ /* F.1 find compressed CQE format. */
+ comp_mask = _mm_and_si128(op_own, format_check);
+ comp_mask = _mm_cmpeq_epi32(comp_mask, format_check);
+ comp_mask = _mm_packs_epi32(comp_mask, zero);
+ /* F.2 mask out invalid entries. */
+ comp_mask = _mm_andnot_si128(invalid_mask, comp_mask);
+ comp_idx = _mm_cvtsi128_si64(comp_mask);
+ /* F.3 get the first compressed CQE. */
+ comp_idx = comp_idx ?
+ __builtin_ctzll(comp_idx) /
+ (sizeof(uint16_t) * 8) :
+ MLX5_VPMD_DESCS_PER_LOOP;
+ /* E.6 mask out entries after the compressed CQE. */
+ mask = _mm_set_epi64x(0, comp_idx * sizeof(uint16_t) * 8);
+ mask = _mm_sll_epi64(ones, mask);
+ invalid_mask = _mm_or_si128(invalid_mask, mask);
+ /* E.7 count non-compressed valid CQEs. */
+ n = _mm_cvtsi128_si64(invalid_mask);
+ n = n ? __builtin_ctzll(n) / (sizeof(uint16_t) * 8) :
+ MLX5_VPMD_DESCS_PER_LOOP;
+ nocmp_n += n;
+ /* D.2 get the final invalid mask. */
+ mask = _mm_set_epi64x(0, n * sizeof(uint16_t) * 8);
+ mask = _mm_sll_epi64(ones, mask);
+ invalid_mask = _mm_or_si128(invalid_mask, mask);
+ /* D.3 check error in opcode. */
+ opcode = _mm_cmpeq_epi32(resp_err_check, opcode);
+ opcode = _mm_packs_epi32(opcode, zero);
+ opcode = _mm_andnot_si128(invalid_mask, opcode);
+ /* D.4 mark if any error is set */
+ rxq->pending_err |= !!_mm_cvtsi128_si64(opcode);
+ /* D.5 fill in mbuf - rearm_data and packet_type. */
+ rxq_cq_to_ptype_oflags_v(rxq, cqes, opcode, &pkts[pos]);
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ /* Add up received bytes count. */
+ byte_cnt = _mm_shuffle_epi8(op_own, len_shuf_mask);
+ byte_cnt = _mm_andnot_si128(invalid_mask, byte_cnt);
+ byte_cnt = _mm_hadd_epi16(byte_cnt, zero);
+ rcvd_byte += _mm_cvtsi128_si64(_mm_hadd_epi16(byte_cnt, zero));
+#endif
+ /*
+ * Break the loop unless more valid CQE is expected, or if
+ * there's a compressed CQE.
+ */
+ if (n != MLX5_VPMD_DESCS_PER_LOOP)
+ break;
+ }
+ /* If no new CQE seen, return without updating cq_db. */
+ if (unlikely(!nocmp_n && comp_idx == MLX5_VPMD_DESCS_PER_LOOP))
+ return rcvd_pkt;
+ /* Update the consumer indexes for non-compressed CQEs. */
+ assert(nocmp_n <= pkts_n);
+ rxq->cq_ci += nocmp_n;
+ rxq->rq_pi += nocmp_n;
+ rcvd_pkt += nocmp_n;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+ rxq->stats.ipackets += nocmp_n;
+ rxq->stats.ibytes += rcvd_byte;
+#endif
+ /* Decompress the last CQE if compressed. */
+ if (comp_idx < MLX5_VPMD_DESCS_PER_LOOP && comp_idx == n) {
+ assert(comp_idx == (nocmp_n % MLX5_VPMD_DESCS_PER_LOOP));
+ rxq_cq_decompress_v(rxq, &cq[nocmp_n], &elts[nocmp_n]);
+ /* Return more packets if needed. */
+ if (nocmp_n < pkts_n) {
+ uint16_t n = rxq->cq_ci - rxq->rq_pi;
+
+ n = RTE_MIN(n, pkts_n - nocmp_n);
+ rxq_copy_mbuf_v(rxq, &pkts[nocmp_n], n);
+ rxq->rq_pi += n;
+ rcvd_pkt += n;
+ }
+ }
+ rte_wmb();
+ *rxq->cq_db = htonl(rxq->cq_ci);
+ return rcvd_pkt;
+}
+
+/**
+ * DPDK callback for vectorized RX.
+ *
+ * @param dpdk_rxq
+ * Generic pointer to RX queue structure.
+ * @param[out] pkts
+ * Array to store received packets.
+ * @param pkts_n
+ * Maximum number of packets in array.
+ *
+ * @return
+ * Number of packets successfully received (<= pkts_n).
+ */
+uint16_t
+mlx5_rx_burst_vec(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+ struct rxq *rxq = dpdk_rxq;
+ uint16_t nb_rx;
+
+ nb_rx = rxq_burst_v(rxq, pkts, pkts_n);
+ if (unlikely(rxq->pending_err))
+ nb_rx = rxq_handle_pending_error(rxq, pkts, nb_rx);
+ return nb_rx;
+}
+
+/**
+ * Check Tx queue flags are set for raw vectorized Tx.
+ *
+ * @param priv
+ * Pointer to private structure.
+ *
+ * @return
+ * 1 if supported, negative errno value if not.
+ */
+int __attribute__((cold))
+priv_check_raw_vec_tx_support(struct priv *priv)
+{
+ uint16_t i;
+
+ /* All the configured queues should support. */
+ for (i = 0; i < priv->txqs_n; ++i) {
+ struct txq *txq = (*priv->txqs)[i];
+
+ if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS) ||
+ !(txq->flags & ETH_TXQ_FLAGS_NOOFFLOADS))
+ break;
+ }
+ if (i != priv->txqs_n)
+ return -ENOTSUP;
+ return 1;
+}
+
+/**
+ * Check a device can support vectorized TX.
+ *
+ * @param priv
+ * Pointer to private structure.
+ *
+ * @return
+ * 1 if supported, negative errno value if not.
+ */
+int __attribute__((cold))
+priv_check_vec_tx_support(struct priv *priv)
+{
+ if (!priv->tx_vec_en ||
+ priv->txqs_n > MLX5_VPMD_MIN_TXQS ||
+ priv->mps != MLX5_MPW_ENHANCED ||
+ priv->tso)
+ return -ENOTSUP;
+ return 1;
+}
+
+/**
+ * Check a RX queue can support vectorized RX.
+ *
+ * @param rxq
+ * Pointer to RX queue.
+ *
+ * @return
+ * 1 if supported, negative errno value if not.
+ */
+int __attribute__((cold))
+rxq_check_vec_support(struct rxq *rxq)
+{
+ struct rxq_ctrl *ctrl = container_of(rxq, struct rxq_ctrl, rxq);
+
+ if (!ctrl->priv->rx_vec_en || rxq->sges_n != 0)
+ return -ENOTSUP;
+ return 1;
+}
+
+/**
+ * Check a device can support vectorized RX.
+ *
+ * @param priv
+ * Pointer to private structure.
+ *
+ * @return
+ * 1 if supported, negative errno value if not.
+ */
+int __attribute__((cold))
+priv_check_vec_rx_support(struct priv *priv)
+{
+ uint16_t i;
+
+ if (!priv->rx_vec_en)
+ return -ENOTSUP;
+ /* All the configured queues should support. */
+ for (i = 0; i < priv->rxqs_n; ++i) {
+ struct rxq *rxq = (*priv->rxqs)[i];
+
+ if (rxq_check_vec_support(rxq) < 0)
+ break;
+ }
+ if (i != priv->rxqs_n)
+ return -ENOTSUP;
+ return 1;
+}
+
+/**
+ * Prepare for vectorized RX.
+ *
+ * @param priv
+ * Pointer to private structure.
+ */
+void
+priv_prep_vec_rx_function(struct priv *priv)
+{
+ uint16_t i;
+
+ for (i = 0; i < priv->rxqs_n; ++i) {
+ struct rxq *rxq = (*priv->rxqs)[i];
+ struct rte_mbuf *mbuf_init = &rxq->fake_mbuf;
+ const uint16_t desc = 1 << rxq->elts_n;
+ int j;
+
+ assert(rxq->elts_n == rxq->cqe_n);
+ /* Initialize default rearm_data for vPMD. */
+ mbuf_init->data_off = RTE_PKTMBUF_HEADROOM;
+ rte_mbuf_refcnt_set(mbuf_init, 1);
+ mbuf_init->nb_segs = 1;
+ mbuf_init->port = rxq->port_id;
+ /*
+ * prevent compiler reordering:
+ * rearm_data covers previous fields.
+ */
+ rte_compiler_barrier();
+ rxq->mbuf_initializer =
+ *(uint64_t *)&mbuf_init->rearm_data;
+ /* Padding with a fake mbuf for vectorized Rx. */
+ for (j = 0; j < MLX5_VPMD_DESCS_PER_LOOP; ++j)
+ (*rxq->elts)[desc + j] = &rxq->fake_mbuf;
+ /* Mark that it need to be cleaned up for rxq_alloc_elts(). */
+ rxq->trim_elts = 1;
+ }
+}
diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index 8c5aa691..595a9e06 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -72,6 +72,9 @@ mlx5_dev_start(struct rte_eth_dev *dev)
priv_unlock(priv);
return 0;
}
+ /* Update Rx/Tx callback. */
+ priv_select_tx_function(priv);
+ priv_select_rx_function(priv);
DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
err = priv_create_hash_rxqs(priv);
if (!err)
@@ -94,12 +97,13 @@ mlx5_dev_start(struct rte_eth_dev *dev)
(void *)priv, strerror(err));
goto error;
}
- priv_dev_interrupt_handler_install(priv, dev);
- if (dev->data->dev_conf.intr_conf.rxq) {
- err = priv_intr_efd_enable(priv);
- if (!err)
- err = priv_create_intr_vec(priv);
+ err = priv_rx_intr_vec_enable(priv);
+ if (err) {
+ ERROR("%p: RX interrupt vector creation failed",
+ (void *)priv);
+ goto error;
}
+ priv_dev_interrupt_handler_install(priv, dev);
priv_xstats_init(priv);
priv_unlock(priv);
return 0;
@@ -140,11 +144,8 @@ mlx5_dev_stop(struct rte_eth_dev *dev)
priv_destroy_hash_rxqs(priv);
priv_fdir_disable(priv);
priv_flow_stop(priv);
+ priv_rx_intr_vec_disable(priv);
priv_dev_interrupt_handler_uninstall(priv, dev);
- if (priv->dev->data->dev_conf.intr_conf.rxq) {
- priv_destroy_intr_vec(priv);
- priv_intr_efd_disable(priv);
- }
priv->started = 0;
priv_unlock(priv);
}
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index bf72468d..98aaa7ca 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -64,7 +64,6 @@
#include "mlx5.h"
#include "mlx5_rxtx.h"
#include "mlx5_autoconf.h"
-#include "mlx5_defs.h"
/**
* Allocate TX queue elements.
@@ -103,9 +102,10 @@ txq_alloc_elts(struct txq_ctrl *txq_ctrl, unsigned int elts_n)
static void
txq_free_elts(struct txq_ctrl *txq_ctrl)
{
- unsigned int elts_n = 1 << txq_ctrl->txq.elts_n;
- unsigned int elts_head = txq_ctrl->txq.elts_head;
- unsigned int elts_tail = txq_ctrl->txq.elts_tail;
+ const uint16_t elts_n = 1 << txq_ctrl->txq.elts_n;
+ const uint16_t elts_m = elts_n - 1;
+ uint16_t elts_head = txq_ctrl->txq.elts_head;
+ uint16_t elts_tail = txq_ctrl->txq.elts_tail;
struct rte_mbuf *(*elts)[elts_n] = txq_ctrl->txq.elts;
DEBUG("%p: freeing WRs", (void *)txq_ctrl);
@@ -114,18 +114,17 @@ txq_free_elts(struct txq_ctrl *txq_ctrl)
txq_ctrl->txq.elts_comp = 0;
while (elts_tail != elts_head) {
- struct rte_mbuf *elt = (*elts)[elts_tail];
+ struct rte_mbuf *elt = (*elts)[elts_tail & elts_m];
assert(elt != NULL);
rte_pktmbuf_free_seg(elt);
#ifndef NDEBUG
/* Poisoning. */
- memset(&(*elts)[elts_tail],
+ memset(&(*elts)[elts_tail & elts_m],
0x77,
- sizeof((*elts)[elts_tail]));
+ sizeof((*elts)[elts_tail & elts_m]));
#endif
- if (++elts_tail == elts_n)
- elts_tail = 0;
+ ++elts_tail;
}
}
@@ -149,9 +148,8 @@ txq_cleanup(struct txq_ctrl *txq_ctrl)
if (txq_ctrl->cq != NULL)
claim_zero(ibv_destroy_cq(txq_ctrl->cq));
for (i = 0; (i != RTE_DIM(txq_ctrl->txq.mp2mr)); ++i) {
- if (txq_ctrl->txq.mp2mr[i].mp == NULL)
+ if (txq_ctrl->txq.mp2mr[i].mr == NULL)
break;
- assert(txq_ctrl->txq.mp2mr[i].mr != NULL);
claim_zero(ibv_dereg_mr(txq_ctrl->txq.mp2mr[i].mr));
}
memset(txq_ctrl, 0, sizeof(*txq_ctrl));
@@ -244,7 +242,7 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl,
ERROR("MLX5_ENABLE_CQE_COMPRESSION must never be set");
goto error;
}
- (void)conf; /* Thresholds configuration (ignored). */
+ tmpl.txq.flags = conf->txq_flags;
assert(desc > MLX5_TX_COMP_THRESH);
tmpl.txq.elts_n = log2above(desc);
if (priv->mps == MLX5_MPW_ENHANCED)
@@ -497,8 +495,6 @@ mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
DEBUG("%p: adding TX queue %p to list",
(void *)dev, (void *)txq_ctrl);
(*priv->txqs)[idx] = &txq_ctrl->txq;
- /* Update send callback. */
- priv_select_tx_function(priv);
}
priv_unlock(priv);
return -ret;