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authorDamjan Marion <damarion@cisco.com>2016-10-25 18:53:41 +0200
committerFlorin Coras <florin.coras@gmail.com>2016-10-26 14:52:00 +0000
commitf530a5526a1f501462ff4247a5bb38e80c13678d (patch)
treed8c6661467f561411197d6d7dbd5f3b551a78bb1 /vnet
parent6398397125e1d37a9f9463351e537eb4012baba7 (diff)
dpdk: remove support for dpdk 16.04
This also removes old DPDK vhost-user code which doesn't help much with DPDK 16.07 or newer. Change-Id: Ic996df1eaccc33acd3fa6cabeaf7381a672c2a90 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'vnet')
-rw-r--r--vnet/Makefile.am1
-rw-r--r--vnet/vnet/devices/dpdk/cli.c5
-rw-r--r--vnet/vnet/devices/dpdk/device.c178
-rw-r--r--vnet/vnet/devices/dpdk/dpdk.h101
-rw-r--r--vnet/vnet/devices/dpdk/dpdk_priv.h5
-rw-r--r--vnet/vnet/devices/dpdk/format.c69
-rw-r--r--vnet/vnet/devices/dpdk/init.c40
-rw-r--r--vnet/vnet/devices/dpdk/node.c64
-rw-r--r--vnet/vnet/devices/dpdk/vhost_user.c2140
-rw-r--r--vnet/vnet/devices/virtio/vhost-user.c2
10 files changed, 3 insertions, 2602 deletions
diff --git a/vnet/Makefile.am b/vnet/Makefile.am
index 56baf40715b..1c5d5b51781 100644
--- a/vnet/Makefile.am
+++ b/vnet/Makefile.am
@@ -660,7 +660,6 @@ libvnet_la_SOURCES += \
vnet/devices/dpdk/init.c \
vnet/devices/dpdk/node.c \
vnet/devices/dpdk/hqos.c \
- vnet/devices/dpdk/vhost_user.c \
vnet/devices/dpdk/cli.c
nobase_include_HEADERS += \
diff --git a/vnet/vnet/devices/dpdk/cli.c b/vnet/vnet/devices/dpdk/cli.c
index 2683030658a..fbd1637e654 100644
--- a/vnet/vnet/devices/dpdk/cli.c
+++ b/vnet/vnet/devices/dpdk/cli.c
@@ -169,13 +169,8 @@ show_dpdk_buffer (vlib_main_t * vm, unformat_input_t * input,
rmp = vm->buffer_main->pktmbuf_pools[i];
if (rmp)
{
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 7, 0, 0)
unsigned count = rte_mempool_avail_count (rmp);
unsigned free_count = rte_mempool_in_use_count (rmp);
-#else
- unsigned count = rte_mempool_count (rmp);
- unsigned free_count = rte_mempool_free_count (rmp);
-#endif
vlib_cli_output (vm,
"name=\"%s\" available = %7d allocated = %7d total = %7d\n",
diff --git a/vnet/vnet/devices/dpdk/device.c b/vnet/vnet/devices/dpdk/device.c
index 5f884a4a400..411380633e7 100644
--- a/vnet/vnet/devices/dpdk/device.c
+++ b/vnet/vnet/devices/dpdk/device.c
@@ -323,8 +323,7 @@ static_always_inline
* This device only supports one TX queue,
* and we're running multi-threaded...
*/
- if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_VHOST_USER) == 0 &&
- xd->lockp != 0))
+ if (PREDICT_FALSE (xd->lockp != 0))
{
queue_id = queue_id % xd->tx_q_used;
while (__sync_lock_test_and_set (xd->lockp[queue_id], 1))
@@ -405,132 +404,13 @@ static_always_inline
n_retry = (rv == xd->nb_tx_desc - tx_tail) ? 1 : 0;
}
}
-#if DPDK_VHOST_USER
- else if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- u32 offset = 0;
- if (xd->need_txlock)
- {
- queue_id = 0;
- while (__sync_lock_test_and_set (xd->lockp[queue_id], 1));
- }
- else
- {
- dpdk_device_and_queue_t *dq;
- vec_foreach (dq, dm->devices_by_cpu[vm->cpu_index])
- {
- if (xd->device_index == dq->device)
- break;
- }
- assert (dq);
- offset = dq->queue_id * VIRTIO_QNUM;
- }
- if (PREDICT_TRUE (tx_head > tx_tail))
- {
- int i;
- u32 bytes = 0;
- struct rte_mbuf **pkts = &tx_vector[tx_tail];
- for (i = 0; i < (tx_head - tx_tail); i++)
- {
- struct rte_mbuf *buff = pkts[i];
- bytes += rte_pktmbuf_data_len (buff);
- }
-
- /* no wrap, transmit in one burst */
- rv =
- rte_vhost_enqueue_burst (&xd->vu_vhost_dev,
- offset + VIRTIO_RXQ,
- &tx_vector[tx_tail],
- (uint16_t) (tx_head - tx_tail));
- if (PREDICT_TRUE (rv > 0))
- {
- dpdk_vu_vring *vring =
- &(xd->vu_intf->vrings[offset + VIRTIO_TXQ]);
- vring->packets += rv;
- vring->bytes += bytes;
-
- if (dpdk_vhost_user_want_interrupt
- (xd, offset + VIRTIO_RXQ))
- {
- vring = &(xd->vu_intf->vrings[offset + VIRTIO_RXQ]);
- vring->n_since_last_int += rv;
-
- f64 now = vlib_time_now (vm);
- if (vring->int_deadline < now ||
- vring->n_since_last_int >
- dm->conf->vhost_coalesce_frames)
- dpdk_vhost_user_send_interrupt (vm, xd,
- offset + VIRTIO_RXQ);
- }
-
- int c = rv;
- while (c--)
- rte_pktmbuf_free (tx_vector[tx_tail + c]);
- }
- }
- else
- {
- /*
- * If we transmitted everything we wanted, then allow 1 retry
- * so we can try to transmit the rest. If we didn't transmit
- * everything, stop now.
- */
- int i;
- u32 bytes = 0;
- struct rte_mbuf **pkts = &tx_vector[tx_tail];
- for (i = 0; i < (xd->nb_tx_desc - tx_tail); i++)
- {
- struct rte_mbuf *buff = pkts[i];
- bytes += rte_pktmbuf_data_len (buff);
- }
- rv =
- rte_vhost_enqueue_burst (&xd->vu_vhost_dev,
- offset + VIRTIO_RXQ,
- &tx_vector[tx_tail],
- (uint16_t) (xd->nb_tx_desc -
- tx_tail));
-
- if (PREDICT_TRUE (rv > 0))
- {
- dpdk_vu_vring *vring =
- &(xd->vu_intf->vrings[offset + VIRTIO_TXQ]);
- vring->packets += rv;
- vring->bytes += bytes;
-
- if (dpdk_vhost_user_want_interrupt
- (xd, offset + VIRTIO_RXQ))
- {
- vring = &(xd->vu_intf->vrings[offset + VIRTIO_RXQ]);
- vring->n_since_last_int += rv;
-
- f64 now = vlib_time_now (vm);
- if (vring->int_deadline < now ||
- vring->n_since_last_int >
- dm->conf->vhost_coalesce_frames)
- dpdk_vhost_user_send_interrupt (vm, xd,
- offset + VIRTIO_RXQ);
- }
-
- int c = rv;
- while (c--)
- rte_pktmbuf_free (tx_vector[tx_tail + c]);
- }
-
- n_retry = (rv == xd->nb_tx_desc - tx_tail) ? 1 : 0;
- }
-
- if (xd->need_txlock)
- *xd->lockp[queue_id] = 0;
- }
-#endif
else
{
ASSERT (0);
rv = 0;
}
- if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_VHOST_USER) == 0 &&
- xd->lockp != 0))
+ if (PREDICT_FALSE (xd->lockp != 0))
*xd->lockp[queue_id] = 0;
if (PREDICT_FALSE (rv < 0))
@@ -919,26 +799,6 @@ dpdk_interface_tx (vlib_main_t * vm,
return tx_pkts;
}
-static int
-dpdk_device_renumber (vnet_hw_interface_t * hi, u32 new_dev_instance)
-{
-#if DPDK_VHOST_USER
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
-
- if (!xd || (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER) == 0)
- {
- clib_warning
- ("cannot renumber non-vhost-user interface (sw_if_index: %d)",
- hi->sw_if_index);
- return 0;
- }
-
- xd->vu_if_id = new_dev_instance;
-#endif
- return 0;
-}
-
static void
dpdk_clear_hw_interface_counters (u32 instance)
{
@@ -956,17 +816,6 @@ dpdk_clear_hw_interface_counters (u32 instance)
vec_len (xd->last_cleared_xstats) *
sizeof (xd->last_cleared_xstats[0]));
-#if DPDK_VHOST_USER
- if (PREDICT_FALSE (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER))
- {
- int i;
- for (i = 0; i < xd->rx_q_used * VIRTIO_QNUM; i++)
- {
- xd->vu_intf->vrings[i].packets = 0;
- xd->vu_intf->vrings[i].bytes = 0;
- }
- }
-#endif
}
static clib_error_t *
@@ -978,28 +827,6 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
dpdk_device_t *xd = vec_elt_at_index (dm->devices, hif->dev_instance);
int rv = 0;
-#if DPDK_VHOST_USER
- if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- if (is_up)
- {
- if (xd->vu_is_running)
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index,
- VNET_HW_INTERFACE_FLAG_LINK_UP |
- ETH_LINK_FULL_DUPLEX);
- xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP;
- }
- else
- {
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
- xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP;
- }
-
- return 0;
- }
-#endif
-
-
if (is_up)
{
f64 now = vlib_time_now (dm->vlib_main);
@@ -1148,7 +975,6 @@ VNET_DEVICE_CLASS (dpdk_device_class) = {
.subif_add_del_function = dpdk_subif_add_del_function,
.rx_redirect_to_node = dpdk_set_interface_next_node,
.no_flatten_output_chains = 1,
- .name_renumber = dpdk_device_renumber,
.mac_addr_change_function = dpdk_set_mac_address,
};
diff --git a/vnet/vnet/devices/dpdk/dpdk.h b/vnet/vnet/devices/dpdk/dpdk.h
index f216a27019d..c2ea579a6fe 100644
--- a/vnet/vnet/devices/dpdk/dpdk.h
+++ b/vnet/vnet/devices/dpdk/dpdk.h
@@ -50,7 +50,6 @@
#include <rte_sched.h>
#include <vnet/unix/pcap.h>
-#include <vnet/devices/virtio/vhost-user.h>
#if CLIB_DEBUG > 0
#define always_inline static inline
@@ -58,12 +57,6 @@
#define always_inline static inline __attribute__ ((__always_inline__))
#endif
-#if RTE_VERSION < RTE_VERSION_NUM(16, 7, 0, 0)
-#define DPDK_VHOST_USER 1
-#else
-#define DPDK_VHOST_USER 0
-#endif
-
#include <vlib/pci/pci.h>
#define NB_MBUF (16<<10)
@@ -131,40 +124,6 @@ typedef struct
u32 total_packet_cnt;
} dpdk_efd_agent_t;
-#if DPDK_VHOST_USER
-typedef struct
-{
- int callfd;
- int kickfd;
- int errfd;
- int enabled;
- u32 callfd_idx;
- u32 n_since_last_int;
- f64 int_deadline;
- u64 packets;
- u64 bytes;
-} dpdk_vu_vring;
-
-typedef struct
-{
- u32 is_up;
- u32 unix_fd;
- u32 unix_file_index;
- u32 client_fd;
- char sock_filename[256];
- int sock_errno;
- u8 sock_is_server;
- u8 active;
-
- u64 feature_mask;
- u32 num_vrings;
- dpdk_vu_vring vrings[VHOST_MAX_QUEUE_PAIRS * 2];
- u64 region_addr[VHOST_MEMORY_MAX_NREGIONS];
- u32 region_fd[VHOST_MEMORY_MAX_NREGIONS];
- u64 region_offset[VHOST_MEMORY_MAX_NREGIONS];
-} dpdk_vu_intf_t;
-#endif
-
typedef void (*dpdk_flowcontrol_callback_t) (vlib_main_t * vm,
u32 hw_if_index, u32 n_packets);
@@ -236,7 +195,6 @@ typedef struct
#define DPDK_DEVICE_FLAG_PROMISC (1 << 1)
#define DPDK_DEVICE_FLAG_PMD (1 << 2)
-#define DPDK_DEVICE_FLAG_VHOST_USER (1 << 4)
#define DPDK_DEVICE_FLAG_HAVE_SUBIF (1 << 5)
#define DPDK_DEVICE_FLAG_HQOS (1 << 6)
@@ -260,14 +218,6 @@ typedef struct
dpdk_device_hqos_per_worker_thread_t *hqos_wt;
dpdk_device_hqos_per_hqos_thread_t *hqos_ht;
-#if DPDK_VHOST_USER
- /* vhost-user related */
- u32 vu_if_id;
- struct virtio_net vu_vhost_dev;
- u32 vu_is_running;
- dpdk_vu_intf_t *vu_intf;
-#endif
-
/* af_packet */
u8 af_packet_port_id;
@@ -277,18 +227,12 @@ typedef struct
struct rte_eth_stats stats;
struct rte_eth_stats last_stats;
struct rte_eth_stats last_cleared_stats;
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 7, 0, 0)
struct rte_eth_xstat *xstats;
struct rte_eth_xstat *last_cleared_xstats;
-#else
- struct rte_eth_xstats *xstats;
- struct rte_eth_xstats *last_cleared_xstats;
-#endif
f64 time_last_stats_update;
dpdk_port_type_t port_type;
dpdk_efd_agent_t efd_agent;
- u8 need_txlock; /* Used by VNET_DPDK_DEV_VHOST_USER */
} dpdk_device_t;
#define DPDK_STATS_POLL_INTERVAL (10.0)
@@ -420,13 +364,6 @@ typedef struct
*/
u8 interface_name_format_decimal;
- /* virtio vhost-user switch */
- u8 use_virtio_vhost;
-
- /* vhost-user coalescence frames config */
- u32 vhost_coalesce_frames;
- f64 vhost_coalesce_time;
-
/* per-device config */
dpdk_device_config_t default_devconf;
dpdk_device_config_t *dev_confs;
@@ -478,8 +415,6 @@ typedef struct
uword *vu_sw_if_index_by_sock_fd;
u32 *vu_inactive_interfaces_device_index;
- u32 next_vu_if_id;
-
/* efd (early-fast-discard) settings */
dpdk_efd_t efd;
@@ -611,14 +546,6 @@ void dpdk_efd_update_counters (dpdk_device_t * xd, u32 n_buffers,
u32 is_efd_discardable (vlib_thread_main_t * tm, vlib_buffer_t * b0,
struct rte_mbuf *mb);
-#if DPDK_VHOST_USER
-/* dpdk vhost-user interrupt management */
-u8 dpdk_vhost_user_want_interrupt (dpdk_device_t * xd, int idx);
-void dpdk_vhost_user_send_interrupt (vlib_main_t * vm, dpdk_device_t * xd,
- int idx);
-#endif
-
-
static inline u64
vnet_get_aggregate_rx_packets (void)
{
@@ -646,34 +573,6 @@ void efd_config (u32 enabled,
void post_sw_interface_set_flags (vlib_main_t * vm, u32 sw_if_index,
u32 flags);
-#if DPDK_VHOST_USER
-typedef struct vhost_user_memory vhost_user_memory_t;
-
-void dpdk_vhost_user_process_init (void **ctx);
-void dpdk_vhost_user_process_cleanup (void *ctx);
-uword dpdk_vhost_user_process_if (vlib_main_t * vm, dpdk_device_t * xd,
- void *ctx);
-
-// vhost-user calls
-int dpdk_vhost_user_create_if (vnet_main_t * vnm, vlib_main_t * vm,
- const char *sock_filename,
- u8 is_server,
- u32 * sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance,
- u8 * hwaddr);
-int dpdk_vhost_user_modify_if (vnet_main_t * vnm, vlib_main_t * vm,
- const char *sock_filename,
- u8 is_server,
- u32 sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance);
-int dpdk_vhost_user_delete_if (vnet_main_t * vnm, vlib_main_t * vm,
- u32 sw_if_index);
-int dpdk_vhost_user_dump_ifs (vnet_main_t * vnm, vlib_main_t * vm,
- vhost_user_intf_details_t ** out_vuids);
-#endif
-
u32 dpdk_get_admin_up_down_in_progress (void);
u32 dpdk_num_mbufs (void);
diff --git a/vnet/vnet/devices/dpdk/dpdk_priv.h b/vnet/vnet/devices/dpdk/dpdk_priv.h
index fd4f2d7ed0b..eb13df2c643 100644
--- a/vnet/vnet/devices/dpdk/dpdk_priv.h
+++ b/vnet/vnet/devices/dpdk/dpdk_priv.h
@@ -23,22 +23,19 @@
#define DPDK_NB_TX_DESC_40GE 1024
#define DPDK_NB_RX_DESC_ENIC 1024
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 7, 0, 0)
#define I40E_DEV_ID_SFP_XL710 0x1572
#define I40E_DEV_ID_QSFP_A 0x1583
#define I40E_DEV_ID_QSFP_B 0x1584
#define I40E_DEV_ID_QSFP_C 0x1585
#define I40E_DEV_ID_10G_BASE_T 0x1586
#define I40E_DEV_ID_VF 0x154C
-#endif
/* These args appear by themselves */
#define foreach_eal_double_hyphen_predicate_arg \
_(no-shconf) \
_(no-hpet) \
_(no-huge) \
-_(vmware-tsc-map) \
-_(virtio-vhost)
+_(vmware-tsc-map)
#define foreach_eal_single_hyphen_mandatory_arg \
_(coremask, c) \
diff --git a/vnet/vnet/devices/dpdk/format.c b/vnet/vnet/devices/dpdk/format.c
index 5865174990b..4a4f8080f9e 100644
--- a/vnet/vnet/devices/dpdk/format.c
+++ b/vnet/vnet/devices/dpdk/format.c
@@ -165,12 +165,6 @@ format_dpdk_device_name (u8 * s, va_list * args)
else
devname_format = "%s%x/%x/%x";
-#if DPDK_VHOST_USER
- if (dm->devices[i].flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- return format (s, "VirtualEthernet0/0/%d", dm->devices[i].vu_if_id);
- }
-#endif
switch (dm->devices[i].port_type)
{
case VNET_DPDK_PORT_TYPE_ETH_1G:
@@ -219,11 +213,6 @@ format_dpdk_device_type (u8 * s, va_list * args)
char *dev_type;
u32 i = va_arg (*args, u32);
- if (dm->devices[i].flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- return format (s, "vhost-user interface");
- }
-
switch (dm->devices[i].pmd)
{
case VNET_DPDK_PMD_E1000EM:
@@ -444,13 +433,6 @@ format_dpdk_device (u8 * s, va_list * args)
format_dpdk_rss_hf_name, di.flow_type_rss_offloads);
}
- if (verbose && xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- s = format (s, "%Uqueue size (max): rx %d (%d) tx %d (%d)\n",
- format_white_space, indent + 2,
- xd->rx_q_used, xd->rx_q_used, xd->tx_q_used, xd->tx_q_used);
- }
-
s = format (s, "%Urx queues %d, rx desc %d, tx queues %d, tx desc %d\n",
format_white_space, indent + 2,
xd->rx_q_used, xd->nb_rx_desc, xd->tx_q_used, xd->nb_tx_desc);
@@ -475,15 +457,11 @@ format_dpdk_device (u8 * s, va_list * args)
u8 *xs = 0;
u32 i = 0;
-#if RTE_VERSION < RTE_VERSION_NUM(16, 7, 0, 0)
- struct rte_eth_xstats *xstat, *last_xstat;
-#else
struct rte_eth_xstat *xstat, *last_xstat;
struct rte_eth_xstat_name *xstat_names = 0;
int len = rte_eth_xstats_get_names (xd->device_index, NULL, 0);
vec_validate (xstat_names, len - 1);
rte_eth_xstats_get_names (xd->device_index, xstat_names, len);
-#endif
ASSERT (vec_len (xd->xstats) == vec_len (xd->last_cleared_xstats));
@@ -498,11 +476,7 @@ format_dpdk_device (u8 * s, va_list * args)
if (verbose == 2 || (verbose && delta))
{
/* format_c_identifier doesn't like c strings inside vector */
-#if RTE_VERSION < RTE_VERSION_NUM(16, 7, 0, 0)
- u8 * name = format(0,"%s", xstat->name);
-#else
u8 * name = format(0,"%s", xstat_names[i].name);
-#endif
xs = format(xs, "\n%U%-38U%16Ld",
format_white_space, indent + 4,
format_c_identifier, name, delta);
@@ -511,50 +485,7 @@ format_dpdk_device (u8 * s, va_list * args)
}
/* *INDENT-ON* */
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 7, 0, 0)
vec_free (xstat_names);
-#endif
-
-#if DPDK_VHOST_USER
- if (verbose && xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- int i;
- for (i = 0; i < xd->rx_q_used * VIRTIO_QNUM; i++)
- {
- u8 *name;
- if (verbose == 2 || xd->vu_intf->vrings[i].packets)
- {
- if (i & 1)
- {
- name = format (NULL, "tx q%d packets", i >> 1);
- }
- else
- {
- name = format (NULL, "rx q%d packets", i >> 1);
- }
- xs = format (xs, "\n%U%-38U%16Ld",
- format_white_space, indent + 4,
- format_c_identifier, name,
- xd->vu_intf->vrings[i].packets);
- vec_free (name);
-
- if (i & 1)
- {
- name = format (NULL, "tx q%d bytes", i >> 1);
- }
- else
- {
- name = format (NULL, "rx q%d bytes", i >> 1);
- }
- xs = format (xs, "\n%U%-38U%16Ld",
- format_white_space, indent + 4,
- format_c_identifier, name,
- xd->vu_intf->vrings[i].bytes);
- vec_free (name);
- }
- }
- }
-#endif
if (xs)
{
diff --git a/vnet/vnet/devices/dpdk/init.c b/vnet/vnet/devices/dpdk/init.c
index 8077ef8071e..7045e454048 100644
--- a/vnet/vnet/devices/dpdk/init.c
+++ b/vnet/vnet/devices/dpdk/init.c
@@ -221,7 +221,6 @@ dpdk_device_lock_init (dpdk_device_t * xd)
CLIB_CACHE_LINE_BYTES);
memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
}
- xd->need_txlock = 1;
}
void
@@ -233,7 +232,6 @@ dpdk_device_lock_free (dpdk_device_t * xd)
clib_mem_free ((void *) xd->lockp[q]);
vec_free (xd->lockp);
xd->lockp = 0;
- xd->need_txlock = 0;
}
static clib_error_t *
@@ -795,9 +793,6 @@ dpdk_lib_init (dpdk_main_t * dm)
clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
dm->conf->num_mbufs, nb_desc);
- /* init next vhost-user if index */
- dm->next_vu_if_id = 0;
-
return 0;
}
@@ -993,9 +988,6 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
- // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
- conf->use_virtio_vhost = 1;
-
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
/* Prime the pump */
@@ -1053,18 +1045,6 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
;
else if (unformat (input, "socket-mem %s", &socket_mem))
;
- else
- if (unformat
- (input, "vhost-user-coalesce-frames %d",
- &conf->vhost_coalesce_frames))
- ;
- else
- if (unformat
- (input, "vhost-user-coalesce-time %f",
- &conf->vhost_coalesce_time))
- ;
- else if (unformat (input, "enable-vhost-user"))
- conf->use_virtio_vhost = 0;
else if (unformat (input, "no-pci"))
{
no_pci = 1;
@@ -1527,9 +1507,6 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
ethernet_main_t *em = &ethernet_main;
dpdk_device_t *xd;
vlib_thread_main_t *tm = vlib_get_thread_main ();
-#if DPDK_VHOST_USER
- void *vu_state;
-#endif
int i;
error = dpdk_lib_init (dm);
@@ -1554,10 +1531,6 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
if (error)
clib_error_report (error);
-#if DPDK_VHOST_USER
- dpdk_vhost_user_process_init (&vu_state);
-#endif
-
tm->worker_thread_release = 1;
f64 now = vlib_time_now (vm);
@@ -1680,18 +1653,9 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
dpdk_update_link_state (xd, now);
-#if DPDK_VHOST_USER
- if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- if (dpdk_vhost_user_process_if (vm, xd, vu_state) != 0)
- continue;
-#endif
}
}
-#if DPDK_VHOST_USER
- dpdk_vhost_user_process_cleanup (vu_state);
-#endif
-
return 0;
}
@@ -1768,10 +1732,6 @@ dpdk_init (vlib_main_t * vm)
dm->efd.consec_full_frames_hi_thresh =
DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
- /* vhost-user coalescence frames defaults */
- dm->conf->vhost_coalesce_frames = 32;
- dm->conf->vhost_coalesce_time = 1e-3;
-
/* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
dm->buffer_flags_template =
(VLIB_BUFFER_TOTAL_LENGTH_VALID
diff --git a/vnet/vnet/devices/dpdk/node.c b/vnet/vnet/devices/dpdk/node.c
index d1db5e23165..a58c8d51917 100644
--- a/vnet/vnet/devices/dpdk/node.c
+++ b/vnet/vnet/devices/dpdk/node.c
@@ -303,70 +303,6 @@ dpdk_rx_burst (dpdk_main_t * dm, dpdk_device_t * xd, u16 queue_id)
break;
}
}
-#if DPDK_VHOST_USER
- else if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- vlib_main_t *vm = vlib_get_main ();
- vlib_buffer_main_t *bm = vm->buffer_main;
- unsigned socket_id = rte_socket_id ();
- u32 offset = 0;
-
- offset = queue_id * VIRTIO_QNUM;
-
- struct vhost_virtqueue *vq =
- xd->vu_vhost_dev.virtqueue[offset + VIRTIO_TXQ];
-
- if (PREDICT_FALSE (!vq->enabled))
- return 0;
-
- struct rte_mbuf **pkts = xd->rx_vectors[queue_id];
- while (n_left)
- {
- n_this_chunk = rte_vhost_dequeue_burst (&xd->vu_vhost_dev,
- offset + VIRTIO_TXQ,
- bm->pktmbuf_pools
- [socket_id],
- pkts + n_buffers, n_left);
- n_buffers += n_this_chunk;
- n_left -= n_this_chunk;
- if (n_this_chunk == 0)
- break;
- }
-
- int i;
- u32 bytes = 0;
- for (i = 0; i < n_buffers; i++)
- {
- struct rte_mbuf *buff = pkts[i];
- bytes += rte_pktmbuf_data_len (buff);
- }
-
- f64 now = vlib_time_now (vm);
-
- dpdk_vu_vring *vring = NULL;
- /* send pending interrupts if needed */
- if (dpdk_vhost_user_want_interrupt (xd, offset + VIRTIO_TXQ))
- {
- vring = &(xd->vu_intf->vrings[offset + VIRTIO_TXQ]);
- vring->n_since_last_int += n_buffers;
-
- if ((vring->n_since_last_int && (vring->int_deadline < now))
- || (vring->n_since_last_int > dm->conf->vhost_coalesce_frames))
- dpdk_vhost_user_send_interrupt (vm, xd, offset + VIRTIO_TXQ);
- }
-
- vring = &(xd->vu_intf->vrings[offset + VIRTIO_RXQ]);
- vring->packets += n_buffers;
- vring->bytes += bytes;
-
- if (dpdk_vhost_user_want_interrupt (xd, offset + VIRTIO_RXQ))
- {
- if (vring->n_since_last_int && (vring->int_deadline < now))
- dpdk_vhost_user_send_interrupt (vm, xd, offset + VIRTIO_RXQ);
- }
-
- }
-#endif
else
{
ASSERT (0);
diff --git a/vnet/vnet/devices/dpdk/vhost_user.c b/vnet/vnet/devices/dpdk/vhost_user.c
deleted file mode 100644
index e37dfde1f73..00000000000
--- a/vnet/vnet/devices/dpdk/vhost_user.c
+++ /dev/null
@@ -1,2140 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <assert.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/stat.h>
-#include <sys/vfs.h>
-
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-
-#include <vnet/vnet.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/error.h>
-#include <vppinfra/format.h>
-
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/dpdk/dpdk.h>
-
-#include <vnet/devices/virtio/vhost-user.h>
-
-#define VHOST_USER_DEBUG_SOCKET 0
-
-#if VHOST_USER_DEBUG_SOCKET == 1
-#define DBG_SOCK(args...) clib_warning(args);
-#else
-#define DBG_SOCK(args...)
-#endif
-
-#if DPDK_VHOST_USER
-
-/* *INDENT-OFF* */
-static const char *vhost_message_str[] __attribute__ ((unused)) =
-{
- [VHOST_USER_NONE] = "VHOST_USER_NONE",
- [VHOST_USER_GET_FEATURES] = "VHOST_USER_GET_FEATURES",
- [VHOST_USER_SET_FEATURES] = "VHOST_USER_SET_FEATURES",
- [VHOST_USER_SET_OWNER] = "VHOST_USER_SET_OWNER",
- [VHOST_USER_RESET_OWNER] = "VHOST_USER_RESET_OWNER",
- [VHOST_USER_SET_MEM_TABLE] = "VHOST_USER_SET_MEM_TABLE",
- [VHOST_USER_SET_LOG_BASE] = "VHOST_USER_SET_LOG_BASE",
- [VHOST_USER_SET_LOG_FD] = "VHOST_USER_SET_LOG_FD",
- [VHOST_USER_SET_VRING_NUM] = "VHOST_USER_SET_VRING_NUM",
- [VHOST_USER_SET_VRING_ADDR] = "VHOST_USER_SET_VRING_ADDR",
- [VHOST_USER_SET_VRING_BASE] = "VHOST_USER_SET_VRING_BASE",
- [VHOST_USER_GET_VRING_BASE] = "VHOST_USER_GET_VRING_BASE",
- [VHOST_USER_SET_VRING_KICK] = "VHOST_USER_SET_VRING_KICK",
- [VHOST_USER_SET_VRING_CALL] = "VHOST_USER_SET_VRING_CALL",
- [VHOST_USER_SET_VRING_ERR] = "VHOST_USER_SET_VRING_ERR",
- [VHOST_USER_GET_PROTOCOL_FEATURES] = "VHOST_USER_GET_PROTOCOL_FEATURES",
- [VHOST_USER_SET_PROTOCOL_FEATURES] = "VHOST_USER_SET_PROTOCOL_FEATURES",
- [VHOST_USER_GET_QUEUE_NUM] = "VHOST_USER_GET_QUEUE_NUM",
- [VHOST_USER_SET_VRING_ENABLE] = "VHOST_USER_SET_VRING_ENABLE",
-};
-/* *INDENT-ON* */
-
-static int dpdk_vhost_user_set_vring_enable (u32 hw_if_index,
- u8 idx, int enable);
-
-/*
- * DPDK vhost-user functions
- */
-
-/* portions taken from dpdk
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * 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 Intel Corporation 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.
- */
-
-
-static uword
-qva_to_vva (struct virtio_net *dev, uword qemu_va)
-{
- struct virtio_memory_regions *region;
- uword vhost_va = 0;
- uint32_t regionidx = 0;
-
- /* Find the region where the address lives. */
- for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++)
- {
- region = &dev->mem->regions[regionidx];
- if ((qemu_va >= region->userspace_address) &&
- (qemu_va <= region->userspace_address + region->memory_size))
- {
- vhost_va = qemu_va + region->guest_phys_address +
- region->address_offset - region->userspace_address;
- break;
- }
- }
- return vhost_va;
-}
-
-static dpdk_device_t *
-dpdk_vhost_user_device_from_hw_if_index (u32 hw_if_index)
-{
- vnet_main_t *vnm = vnet_get_main ();
- dpdk_main_t *dm = &dpdk_main;
- vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
- dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
-
- if ((xd->flags DPDK_DEVICE_FLAG_VHOST_USER) == 0)
- return 0;
-
- return xd;
-}
-
-static dpdk_device_t *
-dpdk_vhost_user_device_from_sw_if_index (u32 sw_if_index)
-{
- vnet_main_t *vnm = vnet_get_main ();
- vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
- ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
-
- return dpdk_vhost_user_device_from_hw_if_index (sw->hw_if_index);
-}
-
-static void
-stop_processing_packets (u32 hw_if_index, u8 idx)
-{
- dpdk_device_t *xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index);
- assert (xd);
- xd->vu_vhost_dev.virtqueue[idx]->enabled = 0;
-}
-
-static void
-disable_interface (dpdk_device_t * xd)
-{
- u8 idx;
- int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- for (idx = 0; idx < numqs; idx++)
- xd->vu_vhost_dev.virtqueue[idx]->enabled = 0;
-
- xd->vu_is_running = 0;
-}
-
-static inline void *
-map_guest_mem (dpdk_device_t * xd, uword addr)
-{
- dpdk_vu_intf_t *vui = xd->vu_intf;
- struct virtio_memory *mem = xd->vu_vhost_dev.mem;
- int i;
- for (i = 0; i < mem->nregions; i++)
- {
- if ((mem->regions[i].guest_phys_address <= addr) &&
- ((mem->regions[i].guest_phys_address +
- mem->regions[i].memory_size) > addr))
- {
- return (void *) ((uword) vui->region_addr[i] + addr -
- (uword) mem->regions[i].guest_phys_address);
- }
- }
- DBG_SOCK ("failed to map guest mem addr %lx", addr);
- return 0;
-}
-
-static clib_error_t *
-dpdk_create_vhost_user_if_internal (u32 * hw_if_index, u32 if_id, u8 * hwaddr)
-{
- dpdk_main_t *dm = &dpdk_main;
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vnet_sw_interface_t *sw;
- clib_error_t *error;
- dpdk_device_and_queue_t *dq;
- int num_qpairs = 1;
- dpdk_vu_intf_t *vui = NULL;
-
- num_qpairs = dm->use_rss < 1 ? 1 : tm->n_vlib_mains;
-
- dpdk_device_t *xd = NULL;
- u8 addr[6];
- int j;
-
- vlib_worker_thread_barrier_sync (vm);
-
- int inactive_cnt = vec_len (dm->vu_inactive_interfaces_device_index);
- // if there are any inactive ifaces
- if (inactive_cnt > 0)
- {
- // take last
- u32 vui_idx = dm->vu_inactive_interfaces_device_index[inactive_cnt - 1];
- if (vec_len (dm->devices) > vui_idx)
- {
- xd = vec_elt_at_index (dm->devices, vui_idx);
- if (xd->flags & DPDK_DEVICE_FLAG_VHOST_USER)
- {
- DBG_SOCK
- ("reusing inactive vhost-user interface sw_if_index %d",
- xd->vlib_sw_if_index);
- }
- else
- {
- clib_warning
- ("error: inactive vhost-user interface sw_if_index %d not VHOST_USER type!",
- xd->vlib_sw_if_index);
- // reset so new interface is created
- xd = NULL;
- }
- }
- // "remove" from inactive list
- _vec_len (dm->vu_inactive_interfaces_device_index) -= 1;
- }
-
- if (xd)
- {
- // existing interface used - do not overwrite if_id if not needed
- if (if_id != (u32) ~ 0)
- xd->vu_if_id = if_id;
-
- // reset virtqueues
- vui = xd->vu_intf;
- for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++)
- {
- memset (xd->vu_vhost_dev.virtqueue[j], 0,
- sizeof (struct vhost_virtqueue));
- xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->backend = -1;
- vui->vrings[j].packets = 0;
- vui->vrings[j].bytes = 0;
- }
-
- // reset lockp
- dpdk_device_lock_free (xd);
- dpdk_device_lock_init (xd);
-
- // reset tx vectors
- for (j = 0; j < tm->n_vlib_mains; j++)
- {
- vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
- sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->tx_vectors[j]);
- }
-
- // reset rx vector
- for (j = 0; j < xd->rx_q_used; j++)
- {
- vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
- CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->rx_vectors[j]);
- }
- }
- else
- {
- // vui was not retrieved from inactive ifaces - create new
- vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
- xd->flags |= DPDK_DEVICE_FLAG_VHOST_USER;
- xd->rx_q_used = num_qpairs;
- xd->tx_q_used = num_qpairs;
- xd->vu_vhost_dev.virt_qp_nb = num_qpairs;
-
- vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
- CLIB_CACHE_LINE_BYTES);
-
- if (if_id == (u32) ~ 0)
- xd->vu_if_id = dm->next_vu_if_id++;
- else
- xd->vu_if_id = if_id;
-
- xd->device_index = xd - dm->devices;
- xd->per_interface_next_index = ~0;
- xd->vu_intf = clib_mem_alloc (sizeof (*(xd->vu_intf)));
-
- xd->vu_vhost_dev.mem = clib_mem_alloc (sizeof (struct virtio_memory) +
- VHOST_MEMORY_MAX_NREGIONS *
- sizeof (struct
- virtio_memory_regions));
-
- /* Will be set when guest sends VHOST_USER_SET_MEM_TABLE cmd */
- xd->vu_vhost_dev.mem->nregions = 0;
-
- /*
- * New virtqueue structure is an array of VHOST_MAX_QUEUE_PAIRS * 2
- * We need to allocate numq pairs.
- */
- vui = xd->vu_intf;
- for (j = 0; j < num_qpairs * VIRTIO_QNUM; j++)
- {
- xd->vu_vhost_dev.virtqueue[j] =
- clib_mem_alloc (sizeof (struct vhost_virtqueue));
- memset (xd->vu_vhost_dev.virtqueue[j], 0,
- sizeof (struct vhost_virtqueue));
- xd->vu_vhost_dev.virtqueue[j]->kickfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->callfd = -1;
- xd->vu_vhost_dev.virtqueue[j]->backend = -1;
- vui->vrings[j].packets = 0;
- vui->vrings[j].bytes = 0;
- }
-
- dpdk_device_lock_init (xd);
-
- DBG_SOCK
- ("tm->n_vlib_mains: %d. TX %d, RX: %d, num_qpairs: %d, Lock: %p",
- tm->n_vlib_mains, xd->tx_q_used, xd->rx_q_used, num_qpairs,
- xd->lockp);
-
- vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
- CLIB_CACHE_LINE_BYTES);
-
- for (j = 0; j < tm->n_vlib_mains; j++)
- {
- vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
- sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->tx_vectors[j]);
- }
-
- // reset rx vector
- for (j = 0; j < xd->rx_q_used; j++)
- {
- vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
- CLIB_CACHE_LINE_BYTES);
- vec_reset_length (xd->rx_vectors[j]);
- }
-
- }
- /*
- * Generate random MAC address for the interface
- */
- if (hwaddr)
- {
- clib_memcpy (addr, hwaddr, sizeof (addr));
- }
- else
- {
- f64 now = vlib_time_now (vm);
- u32 rnd;
- rnd = (u32) (now * 1e6);
- rnd = random_u32 (&rnd);
-
- clib_memcpy (addr + 2, &rnd, sizeof (rnd));
- addr[0] = 2;
- addr[1] = 0xfe;
- }
-
- error = ethernet_register_interface
- (dm->vnet_main, dpdk_device_class.index, xd->device_index,
- /* ethernet address */ addr,
- &xd->vlib_hw_if_index, 0);
-
- if (error)
- return error;
-
- sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
- xd->vlib_sw_if_index = sw->sw_if_index;
-
- *hw_if_index = xd->vlib_hw_if_index;
-
- DBG_SOCK ("xd->device_index: %d, dm->input_cpu_count: %d, "
- "dm->input_cpu_first_index: %d\n", xd->device_index,
- dm->input_cpu_count, dm->input_cpu_first_index);
-
- int q, next_cpu = 0;
- for (q = 0; q < num_qpairs; q++)
- {
- int cpu = dm->input_cpu_first_index + (next_cpu % dm->input_cpu_count);
-
- unsigned lcore = vlib_worker_threads[cpu].lcore_id;
- vec_validate (xd->cpu_socket_id_by_queue, q);
- xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id (lcore);
-
- vec_add2 (dm->devices_by_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = q;
- DBG_SOCK ("CPU for %d = %d. QID: %d", *hw_if_index, cpu, dq->queue_id);
-
- // start polling if it was not started yet (because of no phys ifaces)
- if (tm->n_vlib_mains == 1
- && dpdk_input_node.state != VLIB_NODE_STATE_POLLING)
- vlib_node_set_state (vm, dpdk_input_node.index,
- VLIB_NODE_STATE_POLLING);
-
- if (tm->n_vlib_mains > 1)
- vlib_node_set_state (vlib_mains[cpu], dpdk_input_node.index,
- VLIB_NODE_STATE_POLLING);
- next_cpu++;
- }
-
- vlib_worker_thread_barrier_release (vm);
- return 0;
-}
-
-static long
-get_huge_page_size (int fd)
-{
- struct statfs s;
- fstatfs (fd, &s);
- return s.f_bsize;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_protocol_features (u32 hw_if_index, u64 prot_features)
-{
- dpdk_device_t *xd;
- xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index);
- assert (xd);
- xd->vu_vhost_dev.protocol_features = prot_features;
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_get_features (u32 hw_if_index, u64 * features)
-{
- *features = rte_vhost_feature_get ();
-
-#define OFFLOAD_FEATURES ((1ULL << VIRTIO_NET_F_HOST_TSO4) | \
- (1ULL << VIRTIO_NET_F_HOST_TSO6) | \
- (1ULL << VIRTIO_NET_F_CSUM) | \
- (1ULL << VIRTIO_NET_F_GUEST_CSUM) | \
- (1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
- (1ULL << VIRTIO_NET_F_GUEST_TSO6))
-
- /* These are not suppoted as bridging/tunneling VHOST
- * interfaces with hardware interfaces/drivers that does
- * not support offloading breaks L4 traffic.
- */
- *features &= (~OFFLOAD_FEATURES);
-
- DBG_SOCK ("supported features: 0x%lx", *features);
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_features (u32 hw_if_index, u64 features)
-{
- dpdk_device_t *xd;
- u16 hdr_len = sizeof (struct virtio_net_hdr);
-
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- xd->vu_vhost_dev.features = features;
-
- if (xd->vu_vhost_dev.features & (1 << VIRTIO_NET_F_MRG_RXBUF))
- hdr_len = sizeof (struct virtio_net_hdr_mrg_rxbuf);
-
- int numqs = VIRTIO_QNUM;
- u8 idx;
- int prot_feature = features & (1ULL << VHOST_USER_F_PROTOCOL_FEATURES);
- numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- for (idx = 0; idx < numqs; idx++)
- {
- xd->vu_vhost_dev.virtqueue[idx]->vhost_hlen = hdr_len;
- /*
- * Spec says, if F_PROTOCOL_FEATURE is not set by the
- * slave, then all the vrings should start off as
- * enabled. If slave negotiates F_PROTOCOL_FEATURE, then
- * slave is responsible to enable it.
- */
- if (!prot_feature)
- dpdk_vhost_user_set_vring_enable (hw_if_index, idx, 1);
- }
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_mem_table (u32 hw_if_index, vhost_user_memory_t * vum,
- int fd[])
-{
- struct virtio_memory *mem;
- int i;
- dpdk_device_t *xd;
- dpdk_vu_intf_t *vui;
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- vui = xd->vu_intf;
- mem = xd->vu_vhost_dev.mem;
-
- mem->nregions = vum->nregions;
-
- for (i = 0; i < mem->nregions; i++)
- {
- u64 mapped_size, mapped_address;
-
- mem->regions[i].guest_phys_address = vum->regions[i].guest_phys_addr;
- mem->regions[i].guest_phys_address_end =
- vum->regions[i].guest_phys_addr + vum->regions[i].memory_size;
- mem->regions[i].memory_size = vum->regions[i].memory_size;
- mem->regions[i].userspace_address = vum->regions[i].userspace_addr;
-
- mapped_size = mem->regions[i].memory_size + vum->regions[i].mmap_offset;
- mapped_address =
- pointer_to_uword (mmap
- (NULL, mapped_size, PROT_READ | PROT_WRITE,
- MAP_SHARED, fd[i], 0));
-
- if (uword_to_pointer (mapped_address, void *) == MAP_FAILED)
- {
- clib_warning ("mmap error");
- return 0;
- }
-
- mapped_address += vum->regions[i].mmap_offset;
- vui->region_addr[i] = mapped_address;
- vui->region_fd[i] = fd[i];
- vui->region_offset[i] = vum->regions[i].mmap_offset;
- mem->regions[i].address_offset =
- mapped_address - mem->regions[i].guest_phys_address;
-
- DBG_SOCK ("map memory region %d addr 0x%lx off 0x%lx len 0x%lx",
- i, vui->region_addr[i], vui->region_offset[i], mapped_size);
-
- if (vum->regions[i].guest_phys_addr == 0)
- {
- mem->base_address = vum->regions[i].userspace_addr;
- mem->mapped_address = mem->regions[i].address_offset;
- }
- }
-
- disable_interface (xd);
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_vring_num (u32 hw_if_index, u8 idx, u32 num)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
-
- DBG_SOCK ("idx %u num %u", idx, num);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
- vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->size = num;
-
- stop_processing_packets (hw_if_index, idx);
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_vring_addr (u32 hw_if_index, u8 idx, uword desc,
- uword used, uword avail, uword log)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
-
- DBG_SOCK ("idx %u desc 0x%lx used 0x%lx avail 0x%lx log 0x%lx",
- idx, desc, used, avail, log);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
- vq = xd->vu_vhost_dev.virtqueue[idx];
-
- vq->desc = (struct vring_desc *) qva_to_vva (&xd->vu_vhost_dev, desc);
- vq->used = (struct vring_used *) qva_to_vva (&xd->vu_vhost_dev, used);
- vq->avail = (struct vring_avail *) qva_to_vva (&xd->vu_vhost_dev, avail);
- vq->log_guest_addr = log;
-
- if (!(vq->desc && vq->used && vq->avail))
- {
- clib_warning ("falied to set vring addr");
- }
-
- if (vq->last_used_idx != vq->used->idx)
- {
- clib_warning ("last_used_idx (%u) and vq->used->idx (%u) mismatches; "
- "some packets maybe resent for Tx and dropped for Rx",
- vq->last_used_idx, vq->used->idx);
- vq->last_used_idx = vq->used->idx;
- vq->last_used_idx_res = vq->used->idx;
- }
-
- /*
- * Inform the guest that there is no need to inform (kick) the
- * host when it adds buffers. kick results in vmexit and will
- * incur performance degradation.
- *
- * The below function sets a flag in used table. Therefore,
- * should be initialized after initializing vq->used.
- */
- rte_vhost_enable_guest_notification (&xd->vu_vhost_dev, idx, 0);
- stop_processing_packets (hw_if_index, idx);
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_get_vring_base (u32 hw_if_index, u8 idx, u32 * num)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- vq = xd->vu_vhost_dev.virtqueue[idx];
- *num = vq->last_used_idx;
-
-/*
- * From spec:
- * Client must start ring upon receiving a kick
- * (that is, detecting that file descriptor is readable)
- * on the descriptor specified by VHOST_USER_SET_VRING_KICK,
- * and stop ring upon receiving VHOST_USER_GET_VRING_BASE.
- */
- DBG_SOCK ("Stopping vring Q %u of device %d", idx, hw_if_index);
- dpdk_vu_intf_t *vui = xd->vu_intf;
-
- /* if there is old fd, delete it */
- if (vui->vrings[idx].callfd > 0)
- {
- unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
- vui->vrings[idx].callfd_idx);
- unix_file_del (&unix_main, uf);
- }
-
- vui->vrings[idx].enabled = 0; /* Reset local copy */
- vui->vrings[idx].callfd = -1; /* Reset FD */
- vq->enabled = 0;
- vq->desc = NULL;
- vq->used = NULL;
- vq->avail = NULL;
- vq->log_guest_addr = 0;
-
- /* Check if all Qs are disabled */
- int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- for (idx = 0; idx < numqs; idx++)
- {
- if (xd->vu_vhost_dev.virtqueue[idx]->enabled)
- break;
- }
-
- /* If all vrings are disabed then disable device */
- if (idx == numqs)
- {
- DBG_SOCK ("Device %d disabled", hw_if_index);
- xd->vu_is_running = 0;
- }
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_vring_base (u32 hw_if_index, u8 idx, u32 num)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
-
- DBG_SOCK ("idx %u num %u", idx, num);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->last_used_idx = num;
- vq->last_used_idx_res = num;
-
- stop_processing_packets (hw_if_index, idx);
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_vring_kick (u32 hw_if_index, u8 idx, int fd)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- dpdk_vu_vring *vring;
- struct vhost_virtqueue *vq0, *vq1, *vq;
- int index, vu_is_running = 0;
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->kickfd = fd;
-
- vring = &xd->vu_intf->vrings[idx];
- vq->enabled = (vq->desc && vq->avail && vq->used && vring->enabled) ? 1 : 0;
-
- /*
- * Set xd->vu_is_running if at least one pair of
- * RX/TX queues are enabled.
- */
- int numqs = VIRTIO_QNUM;
- numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
-
- for (index = 0; index < numqs; index += 2)
- {
- vq0 = xd->vu_vhost_dev.virtqueue[index]; /* RX */
- vq1 = xd->vu_vhost_dev.virtqueue[index + 1]; /* TX */
- if (vq0->enabled && vq1->enabled)
- {
- vu_is_running = 1;
- break;
- }
- }
- DBG_SOCK ("SET_VRING_KICK - idx %d, running %d, fd: %d",
- idx, vu_is_running, fd);
-
- xd->vu_is_running = vu_is_running;
- if (xd->vu_is_running && xd->admin_up)
- {
- vnet_hw_interface_set_flags (dm->vnet_main,
- xd->vlib_hw_if_index,
- VNET_HW_INTERFACE_FLAG_LINK_UP |
- ETH_LINK_FULL_DUPLEX);
- }
-
- return 0;
-}
-
-static int
-dpdk_vhost_user_set_vring_enable (u32 hw_if_index, u8 idx, int enable)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
- dpdk_vu_intf_t *vui;
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- vui = xd->vu_intf;
- /*
- * Guest vhost driver wrongly enables queue before
- * setting the vring address. Therefore, save a
- * local copy. Reflect it in vq structure if addresses
- * are set. If not, vq will be enabled when vring
- * is kicked.
- */
- vui->vrings[idx].enabled = enable; /* Save local copy */
-
- int numqs = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- while (numqs--)
- {
- if (!vui->vrings[numqs].enabled)
- break;
- }
-
- if (numqs == -1) /* All Qs are enabled */
- xd->need_txlock = 0;
- else
- xd->need_txlock = 1;
-
- vq = xd->vu_vhost_dev.virtqueue[idx];
- if (vq->desc && vq->avail && vq->used)
- xd->vu_vhost_dev.virtqueue[idx]->enabled = enable;
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_callfd_read_ready (unix_file_t * uf)
-{
- __attribute__ ((unused)) int n;
- u8 buff[8];
- n = read (uf->file_descriptor, ((char *) &buff), 8);
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_set_vring_call (u32 hw_if_index, u8 idx, int fd)
-{
- dpdk_device_t *xd;
- struct vhost_virtqueue *vq;
- unix_file_t template = { 0 };
-
- DBG_SOCK ("SET_VRING_CALL - idx %d, fd %d", idx, fd);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_index)))
- {
- clib_warning ("not a vhost-user interface");
- return 0;
- }
-
- dpdk_vu_intf_t *vui = xd->vu_intf;
-
- /* if there is old fd, delete it */
- if (vui->vrings[idx].callfd > -1)
- {
- unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
- vui->vrings[idx].callfd_idx);
- unix_file_del (&unix_main, uf);
- }
- vui->vrings[idx].callfd = fd;
- template.read_function = dpdk_vhost_user_callfd_read_ready;
- template.file_descriptor = fd;
- vui->vrings[idx].callfd_idx = unix_file_add (&unix_main, &template);
-
- vq = xd->vu_vhost_dev.virtqueue[idx];
- vq->callfd = -1; /* We use locally saved vring->callfd; */
-
- return 0;
-}
-
-u8
-dpdk_vhost_user_want_interrupt (dpdk_device_t * xd, int idx)
-{
- dpdk_vu_intf_t *vui = xd->vu_intf;
- ASSERT (vui != NULL);
-
- if (PREDICT_FALSE (vui->num_vrings <= 0))
- return 0;
-
- dpdk_vu_vring *vring = &(vui->vrings[idx]);
- struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
-
- /* return if vm is interested in interrupts */
- return (vring->callfd > -1)
- && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT);
-}
-
-void
-dpdk_vhost_user_send_interrupt (vlib_main_t * vm, dpdk_device_t * xd, int idx)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_vu_intf_t *vui = xd->vu_intf;
- ASSERT (vui != NULL);
-
- if (PREDICT_FALSE (vui->num_vrings <= 0))
- return;
-
- dpdk_vu_vring *vring = &(vui->vrings[idx]);
- struct vhost_virtqueue *vq = xd->vu_vhost_dev.virtqueue[idx];
-
- /* if vm is interested in interrupts */
- if ((vring->callfd > -1)
- && !(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT))
- {
- eventfd_write (vring->callfd, (eventfd_t) 1);
- vring->n_since_last_int = 0;
- vring->int_deadline =
- vlib_time_now (vm) + dm->conf->vhost_coalesce_time;
- }
-}
-
-/*
- * vhost-user interface management functions
- */
-
-// initialize vui with specified attributes
-static void
-dpdk_vhost_user_vui_init (vnet_main_t * vnm,
- dpdk_device_t * xd, int sockfd,
- const char *sock_filename,
- u8 is_server, u64 feature_mask, u32 * sw_if_index)
-{
- int q;
- dpdk_vu_intf_t *vui = xd->vu_intf;
- memset (vui, 0, sizeof (*vui));
-
- vui->unix_fd = sockfd;
- vui->num_vrings = xd->vu_vhost_dev.virt_qp_nb * VIRTIO_QNUM;
- DBG_SOCK ("dpdk_vhost_user_vui_init VRINGS: %d", vui->num_vrings);
- vui->sock_is_server = is_server;
- strncpy (vui->sock_filename, sock_filename,
- ARRAY_LEN (vui->sock_filename) - 1);
- vui->sock_errno = 0;
- vui->is_up = 0;
- vui->feature_mask = feature_mask;
- vui->active = 1;
- vui->unix_file_index = ~0;
-
- for (q = 0; q < vui->num_vrings; q++)
- {
- vui->vrings[q].enabled = 0;
- vui->vrings[q].callfd = -1;
- vui->vrings[q].kickfd = -1;
- }
-
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
-
- if (sw_if_index)
- *sw_if_index = xd->vlib_sw_if_index;
-}
-
-// register vui and start polling on it
-static void
-dpdk_vhost_user_vui_register (vlib_main_t * vm, dpdk_device_t * xd)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_vu_intf_t *vui = xd->vu_intf;
-
- hash_set (dm->vu_sw_if_index_by_listener_fd, vui->unix_fd,
- xd->vlib_sw_if_index);
-}
-
-static void
-dpdk_unmap_all_mem_regions (dpdk_device_t * xd)
-{
- int i, r;
- dpdk_vu_intf_t *vui = xd->vu_intf;
- struct virtio_memory *mem = xd->vu_vhost_dev.mem;
-
- for (i = 0; i < mem->nregions; i++)
- {
- if (vui->region_addr[i] != -1)
- {
-
- long page_sz = get_huge_page_size (vui->region_fd[i]);
-
- ssize_t map_sz = RTE_ALIGN_CEIL (mem->regions[i].memory_size +
- vui->region_offset[i], page_sz);
-
- r =
- munmap ((void *) (vui->region_addr[i] - vui->region_offset[i]),
- map_sz);
-
- DBG_SOCK
- ("unmap memory region %d addr 0x%lx off 0x%lx len 0x%lx page_sz 0x%x",
- i, vui->region_addr[i], vui->region_offset[i], map_sz, page_sz);
-
- vui->region_addr[i] = -1;
-
- if (r == -1)
- {
- clib_unix_warning ("failed to unmap memory region");
- }
- close (vui->region_fd[i]);
- }
- }
- mem->nregions = 0;
-}
-
-static inline void
-dpdk_vhost_user_if_disconnect (dpdk_device_t * xd)
-{
- dpdk_vu_intf_t *vui = xd->vu_intf;
- vnet_main_t *vnm = vnet_get_main ();
- dpdk_main_t *dm = &dpdk_main;
- struct vhost_virtqueue *vq;
- int q;
-
- xd->admin_up = 0;
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0);
-
- if (vui->unix_file_index != ~0)
- {
- unix_file_del (&unix_main, unix_main.file_pool + vui->unix_file_index);
- vui->unix_file_index = ~0;
- }
-
- hash_unset (dm->vu_sw_if_index_by_sock_fd, vui->unix_fd);
- hash_unset (dm->vu_sw_if_index_by_listener_fd, vui->unix_fd);
- close (vui->unix_fd);
- vui->unix_fd = -1;
- vui->is_up = 0;
-
- for (q = 0; q < vui->num_vrings; q++)
- {
- vq = xd->vu_vhost_dev.virtqueue[q];
- if (vui->vrings[q].callfd > -1)
- {
- unix_file_t *uf = pool_elt_at_index (unix_main.file_pool,
- vui->vrings[q].callfd_idx);
- unix_file_del (&unix_main, uf);
- }
-
- if (vui->vrings[q].kickfd > -1)
- {
- close (vui->vrings[q].kickfd);
- vui->vrings[q].kickfd = -1;
- }
-
- vui->vrings[q].enabled = 0; /* Reset local copy */
- vui->vrings[q].callfd = -1; /* Reset FD */
- vq->enabled = 0;
- vq->log_guest_addr = 0;
- vq->desc = NULL;
- vq->used = NULL;
- vq->avail = NULL;
- }
- xd->vu_is_running = 0;
-
- dpdk_unmap_all_mem_regions (xd);
- DBG_SOCK ("interface ifindex %d disconnected", xd->vlib_sw_if_index);
-}
-
-static clib_error_t *
-dpdk_vhost_user_socket_read (unix_file_t * uf)
-{
- int n;
- int fd, number_of_fds = 0;
- int fds[VHOST_MEMORY_MAX_NREGIONS];
- vhost_user_msg_t msg;
- struct msghdr mh;
- struct iovec iov[1];
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- dpdk_vu_intf_t *vui;
- struct cmsghdr *cmsg;
- uword *p;
- u8 q;
- vnet_main_t *vnm = vnet_get_main ();
-
- p = hash_get (dm->vu_sw_if_index_by_sock_fd, uf->file_descriptor);
- if (p == 0)
- {
- DBG_SOCK ("FD %d doesn't belong to any interface", uf->file_descriptor);
- return 0;
- }
- else
- xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
-
- ASSERT (xd != NULL);
- vui = xd->vu_intf;
-
- char control[CMSG_SPACE (VHOST_MEMORY_MAX_NREGIONS * sizeof (int))];
-
- memset (&mh, 0, sizeof (mh));
- memset (control, 0, sizeof (control));
-
- /* set the payload */
- iov[0].iov_base = (void *) &msg;
- iov[0].iov_len = VHOST_USER_MSG_HDR_SZ;
-
- mh.msg_iov = iov;
- mh.msg_iovlen = 1;
- mh.msg_control = control;
- mh.msg_controllen = sizeof (control);
-
- n = recvmsg (uf->file_descriptor, &mh, 0);
-
- if (n != VHOST_USER_MSG_HDR_SZ)
- goto close_socket;
-
- if (mh.msg_flags & MSG_CTRUNC)
- {
- goto close_socket;
- }
-
- cmsg = CMSG_FIRSTHDR (&mh);
-
- if (cmsg && (cmsg->cmsg_len > 0) && (cmsg->cmsg_level == SOL_SOCKET) &&
- (cmsg->cmsg_type == SCM_RIGHTS) &&
- (cmsg->cmsg_len - CMSG_LEN (0) <=
- VHOST_MEMORY_MAX_NREGIONS * sizeof (int)))
- {
- number_of_fds = (cmsg->cmsg_len - CMSG_LEN (0)) / sizeof (int);
- clib_memcpy (fds, CMSG_DATA (cmsg), number_of_fds * sizeof (int));
- }
-
- /* version 1, no reply bit set */
- if ((msg.flags & 7) != 1)
- {
- DBG_SOCK ("malformed message received. closing socket");
- goto close_socket;
- }
-
- {
- int rv __attribute__ ((unused));
- /* $$$$ pay attention to rv */
- rv = read (uf->file_descriptor, ((char *) &msg) + n, msg.size);
- }
-
- DBG_SOCK ("VPP VHOST message %s", vhost_message_str[msg.request]);
- switch (msg.request)
- {
- case VHOST_USER_GET_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_GET_FEATURES", xd->vlib_hw_if_index);
-
- msg.flags |= VHOST_USER_REPLY_MASK;
-
- dpdk_vhost_user_get_features (xd->vlib_hw_if_index, &msg.u64);
- msg.u64 &= vui->feature_mask;
- msg.size = sizeof (msg.u64);
- break;
-
- case VHOST_USER_SET_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_SET_FEATURES features 0x%016lx",
- xd->vlib_hw_if_index, msg.u64);
-
- dpdk_vhost_user_set_features (xd->vlib_hw_if_index, msg.u64);
- break;
-
- case VHOST_USER_SET_MEM_TABLE:
- DBG_SOCK ("if %d msg VHOST_USER_SET_MEM_TABLE nregions %d",
- xd->vlib_hw_if_index, msg.memory.nregions);
-
- if ((msg.memory.nregions < 1) ||
- (msg.memory.nregions > VHOST_MEMORY_MAX_NREGIONS))
- {
-
- DBG_SOCK ("number of mem regions must be between 1 and %i",
- VHOST_MEMORY_MAX_NREGIONS);
-
- goto close_socket;
- }
-
- if (msg.memory.nregions != number_of_fds)
- {
- DBG_SOCK ("each memory region must have FD");
- goto close_socket;
- }
-
- /* Unmap previously configured memory if necessary */
- dpdk_unmap_all_mem_regions (xd);
-
- dpdk_vhost_user_set_mem_table (xd->vlib_hw_if_index, &msg.memory, fds);
- break;
-
- case VHOST_USER_SET_VRING_NUM:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_NUM idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
-
- if ((msg.state.num > 32768) || /* maximum ring size is 32768 */
- (msg.state.num == 0) || /* it cannot be zero */
- (msg.state.num % 2)) /* must be power of 2 */
- goto close_socket;
-
- dpdk_vhost_user_set_vring_num (xd->vlib_hw_if_index, msg.state.index,
- msg.state.num);
- break;
-
- case VHOST_USER_SET_VRING_ADDR:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ADDR idx %d",
- xd->vlib_hw_if_index, msg.state.index);
-
- dpdk_vhost_user_set_vring_addr (xd->vlib_hw_if_index, msg.state.index,
- msg.addr.desc_user_addr,
- msg.addr.used_user_addr,
- msg.addr.avail_user_addr,
- msg.addr.log_guest_addr);
- break;
-
- case VHOST_USER_SET_OWNER:
- DBG_SOCK ("if %d msg VHOST_USER_SET_OWNER", xd->vlib_hw_if_index);
- break;
-
- case VHOST_USER_RESET_OWNER:
- DBG_SOCK ("if %d msg VHOST_USER_RESET_OWNER", xd->vlib_hw_if_index);
- break;
-
- case VHOST_USER_SET_VRING_CALL:
- q = (u8) (msg.u64 & 0xFF);
-
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_CALL u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
-
- if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
- fd = fds[0];
- }
- else
- {
- fd = -1;
- }
- dpdk_vhost_user_set_vring_call (xd->vlib_hw_if_index, q, fd);
-
- break;
-
- case VHOST_USER_SET_VRING_KICK:
-
- q = (u8) (msg.u64 & 0xFF);
-
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_KICK u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
-
- if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
-
- if (vui->vrings[q].kickfd > -1)
- close (vui->vrings[q].kickfd);
-
- vui->vrings[q].kickfd = fds[0];
- }
- else
- vui->vrings[q].kickfd = -1;
-
- dpdk_vhost_user_set_vring_kick (xd->vlib_hw_if_index, q,
- vui->vrings[q].kickfd);
- break;
-
- case VHOST_USER_SET_VRING_ERR:
-
- q = (u8) (msg.u64 & 0xFF);
-
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ERR u64 %lx, idx: %d",
- xd->vlib_hw_if_index, msg.u64, q);
-
- if (!(msg.u64 & 0x100))
- {
- if (number_of_fds != 1)
- goto close_socket;
-
- fd = fds[0];
- }
- else
- fd = -1;
-
- vui->vrings[q].errfd = fd;
- break;
-
- case VHOST_USER_SET_VRING_BASE:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_BASE idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
-
- dpdk_vhost_user_set_vring_base (xd->vlib_hw_if_index, msg.state.index,
- msg.state.num);
- break;
-
- case VHOST_USER_GET_VRING_BASE:
- DBG_SOCK ("if %d msg VHOST_USER_GET_VRING_BASE idx %d num %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
-
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof (msg.state);
-
- dpdk_vhost_user_get_vring_base (xd->vlib_hw_if_index, msg.state.index,
- &msg.state.num);
- break;
-
- case VHOST_USER_NONE:
- DBG_SOCK ("if %d msg VHOST_USER_NONE", xd->vlib_hw_if_index);
- break;
-
- case VHOST_USER_SET_LOG_BASE:
- DBG_SOCK ("if %d msg VHOST_USER_SET_LOG_BASE", xd->vlib_hw_if_index);
-
- if (msg.size != sizeof (msg.log))
- {
- DBG_SOCK
- ("invalid msg size for VHOST_USER_SET_LOG_BASE: %u instead of %lu",
- msg.size, sizeof (msg.log));
- goto close_socket;
- }
-
- if (!
- (xd->vu_vhost_dev.protocol_features & (1 <<
- VHOST_USER_PROTOCOL_F_LOG_SHMFD)))
- {
- DBG_SOCK
- ("VHOST_USER_PROTOCOL_F_LOG_SHMFD not set but VHOST_USER_SET_LOG_BASE received");
- goto close_socket;
- }
-
- fd = fds[0];
- /* align size to 2M page */
- long page_sz = get_huge_page_size (fd);
- ssize_t map_sz =
- RTE_ALIGN_CEIL (msg.log.size + msg.log.offset, page_sz);
-
- void *addr = mmap (0, map_sz, PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
-
- DBG_SOCK ("map log region addr 0 len 0x%lx off 0x%lx fd %d mapped %p",
- map_sz, msg.log.offset, fd, addr);
-
- if (addr == MAP_FAILED)
- {
- clib_warning ("failed to map memory. errno is %d", errno);
- goto close_socket;
- }
-
- xd->vu_vhost_dev.log_base += pointer_to_uword (addr) + msg.log.offset;
- xd->vu_vhost_dev.log_size = msg.log.size;
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof (msg.u64);
- break;
-
- case VHOST_USER_SET_LOG_FD:
- DBG_SOCK ("if %d msg VHOST_USER_SET_LOG_FD", xd->vlib_hw_if_index);
- break;
-
- case VHOST_USER_GET_PROTOCOL_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_GET_PROTOCOL_FEATURES",
- xd->vlib_hw_if_index);
-
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.u64 = VHOST_USER_PROTOCOL_FEATURES;
- DBG_SOCK ("VHOST_USER_PROTOCOL_FEATURES: %llx",
- VHOST_USER_PROTOCOL_FEATURES);
- msg.size = sizeof (msg.u64);
- break;
-
- case VHOST_USER_SET_PROTOCOL_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_SET_PROTOCOL_FEATURES",
- xd->vlib_hw_if_index);
-
- DBG_SOCK ("VHOST_USER_SET_PROTOCOL_FEATURES: 0x%lx", msg.u64);
- dpdk_vhost_user_set_protocol_features (xd->vlib_hw_if_index, msg.u64);
- break;
-
- case VHOST_USER_SET_VRING_ENABLE:
- DBG_SOCK ("%d VPP VHOST_USER_SET_VRING_ENABLE IDX: %d, Enable: %d",
- xd->vlib_hw_if_index, msg.state.index, msg.state.num);
- dpdk_vhost_user_set_vring_enable
- (xd->vlib_hw_if_index, msg.state.index, msg.state.num);
- break;
-
- case VHOST_USER_GET_QUEUE_NUM:
- DBG_SOCK ("if %d msg VHOST_USER_GET_QUEUE_NUM:", xd->vlib_hw_if_index);
-
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.u64 = xd->vu_vhost_dev.virt_qp_nb;
- msg.size = sizeof (msg.u64);
- break;
-
- default:
- DBG_SOCK ("unknown vhost-user message %d received. closing socket",
- msg.request);
- goto close_socket;
- }
-
- /* if we have pointers to descriptor table, go up */
- if (!vui->is_up &&
- xd->vu_vhost_dev.virtqueue[VHOST_NET_VRING_IDX_TX]->desc &&
- xd->vu_vhost_dev.virtqueue[VHOST_NET_VRING_IDX_RX]->desc)
- {
-
- DBG_SOCK ("interface %d connected", xd->vlib_sw_if_index);
-
- vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index,
- VNET_HW_INTERFACE_FLAG_LINK_UP);
- vui->is_up = 1;
- xd->admin_up = 1;
- }
-
- /* if we need to reply */
- if (msg.flags & VHOST_USER_REPLY_MASK)
- {
- n =
- send (uf->file_descriptor, &msg, VHOST_USER_MSG_HDR_SZ + msg.size, 0);
- if (n != (msg.size + VHOST_USER_MSG_HDR_SZ))
- goto close_socket;
- }
-
- return 0;
-
-close_socket:
- DBG_SOCK ("error: close_socket");
- dpdk_vhost_user_if_disconnect (xd);
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_socket_error (unix_file_t * uf)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- uword *p;
-
- p = hash_get (dm->vu_sw_if_index_by_sock_fd, uf->file_descriptor);
- if (p == 0)
- {
- DBG_SOCK ("FD %d doesn't belong to any interface", uf->file_descriptor);
- return 0;
- }
- else
- xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
-
- dpdk_vhost_user_if_disconnect (xd);
- return 0;
-}
-
-static clib_error_t *
-dpdk_vhost_user_socksvr_accept_ready (unix_file_t * uf)
-{
- int client_fd, client_len;
- struct sockaddr_un client;
- unix_file_t template = { 0 };
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd = NULL;
- dpdk_vu_intf_t *vui;
- uword *p;
-
- p = hash_get (dm->vu_sw_if_index_by_listener_fd, uf->file_descriptor);
- if (p == 0)
- {
- DBG_SOCK ("fd %d doesn't belong to any interface", uf->file_descriptor);
- return 0;
- }
-
- xd = dpdk_vhost_user_device_from_sw_if_index (p[0]);
- ASSERT (xd != NULL);
- vui = xd->vu_intf;
-
- client_len = sizeof (client);
- client_fd = accept (uf->file_descriptor,
- (struct sockaddr *) &client,
- (socklen_t *) & client_len);
-
- if (client_fd < 0)
- return clib_error_return_unix (0, "accept");
-
- template.read_function = dpdk_vhost_user_socket_read;
- template.error_function = dpdk_vhost_user_socket_error;
- template.file_descriptor = client_fd;
- vui->unix_file_index = unix_file_add (&unix_main, &template);
-
- vui->client_fd = client_fd;
- hash_set (dm->vu_sw_if_index_by_sock_fd, vui->client_fd,
- xd->vlib_sw_if_index);
-
- return 0;
-}
-
-// init server socket on specified sock_filename
-static int
-dpdk_vhost_user_init_server_sock (const char *sock_filename, int *sockfd)
-{
- int rv = 0;
- struct sockaddr_un un = { };
- int fd;
- /* create listening socket */
- fd = socket (AF_UNIX, SOCK_STREAM, 0);
-
- if (fd < 0)
- {
- return VNET_API_ERROR_SYSCALL_ERROR_1;
- }
-
- un.sun_family = AF_UNIX;
- strcpy ((char *) un.sun_path, (char *) sock_filename);
-
- /* remove if exists */
- unlink ((char *) sock_filename);
-
- if (bind (fd, (struct sockaddr *) &un, sizeof (un)) == -1)
- {
- rv = VNET_API_ERROR_SYSCALL_ERROR_2;
- goto error;
- }
-
- if (listen (fd, 1) == -1)
- {
- rv = VNET_API_ERROR_SYSCALL_ERROR_3;
- goto error;
- }
-
- unix_file_t template = { 0 };
- template.read_function = dpdk_vhost_user_socksvr_accept_ready;
- template.file_descriptor = fd;
- unix_file_add (&unix_main, &template);
- *sockfd = fd;
- return rv;
-
-error:
- close (fd);
- return rv;
-}
-
-/*
- * vhost-user interface control functions used from vpe api
- */
-
-int
-dpdk_vhost_user_create_if (vnet_main_t * vnm, vlib_main_t * vm,
- const char *sock_filename,
- u8 is_server,
- u32 * sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance, u8 * hwaddr)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- u32 hw_if_idx = ~0;
- int sockfd = -1;
- int rv = 0;
-
- // using virtio vhost user?
- if (dm->conf->use_virtio_vhost)
- {
- return vhost_user_create_if (vnm, vm, sock_filename, is_server,
- sw_if_index, feature_mask, renumber,
- custom_dev_instance, hwaddr);
- }
-
- if (is_server)
- {
- if ((rv =
- dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0)
- {
- return rv;
- }
- }
-
- if (renumber)
- {
- // set next vhost-user if id if custom one is higher or equal
- if (custom_dev_instance >= dm->next_vu_if_id)
- dm->next_vu_if_id = custom_dev_instance + 1;
-
- dpdk_create_vhost_user_if_internal (&hw_if_idx, custom_dev_instance,
- hwaddr);
- }
- else
- dpdk_create_vhost_user_if_internal (&hw_if_idx, (u32) ~ 0, hwaddr);
- DBG_SOCK ("dpdk vhost-user interface created hw_if_index %d", hw_if_idx);
-
- xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_idx);
- ASSERT (xd != NULL);
-
- dpdk_vhost_user_vui_init (vnm, xd, sockfd, sock_filename, is_server,
- feature_mask, sw_if_index);
-
- dpdk_vhost_user_vui_register (vm, xd);
- return rv;
-}
-
-int
-dpdk_vhost_user_modify_if (vnet_main_t * vnm, vlib_main_t * vm,
- const char *sock_filename,
- u8 is_server,
- u32 sw_if_index,
- u64 feature_mask,
- u8 renumber, u32 custom_dev_instance)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- dpdk_vu_intf_t *vui = NULL;
- u32 sw_if_idx = ~0;
- int sockfd = -1;
- int rv = 0;
-
- // using virtio vhost user?
- if (dm->conf->use_virtio_vhost)
- {
- return vhost_user_modify_if (vnm, vm, sock_filename, is_server,
- sw_if_index, feature_mask, renumber,
- custom_dev_instance);
- }
-
- xd = dpdk_vhost_user_device_from_sw_if_index (sw_if_index);
-
- if (xd == NULL)
- return VNET_API_ERROR_INVALID_SW_IF_INDEX;
-
- vui = xd->vu_intf;
-
- // interface is inactive
- vui->active = 0;
- // disconnect interface sockets
- dpdk_vhost_user_if_disconnect (xd);
-
- if (is_server)
- {
- if ((rv =
- dpdk_vhost_user_init_server_sock (sock_filename, &sockfd)) != 0)
- {
- return rv;
- }
- }
-
- dpdk_vhost_user_vui_init (vnm, xd, sockfd, sock_filename, is_server,
- feature_mask, &sw_if_idx);
-
- if (renumber)
- {
- vnet_interface_name_renumber (sw_if_idx, custom_dev_instance);
- }
-
- dpdk_vhost_user_vui_register (vm, xd);
-
- return rv;
-}
-
-int
-dpdk_vhost_user_delete_if (vnet_main_t * vnm, vlib_main_t * vm,
- u32 sw_if_index)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd = NULL;
- dpdk_vu_intf_t *vui;
- int rv = 0;
-
- // using virtio vhost user?
- if (dm->conf->use_virtio_vhost)
- {
- return vhost_user_delete_if (vnm, vm, sw_if_index);
- }
-
- xd = dpdk_vhost_user_device_from_sw_if_index (sw_if_index);
-
- if (xd == NULL)
- return VNET_API_ERROR_INVALID_SW_IF_INDEX;
-
- vui = xd->vu_intf;
-
- // interface is inactive
- vui->active = 0;
- // disconnect interface sockets
- dpdk_vhost_user_if_disconnect (xd);
- // add to inactive interface list
- vec_add1 (dm->vu_inactive_interfaces_device_index, xd->device_index);
-
- ethernet_delete_interface (vnm, xd->vlib_hw_if_index);
- DBG_SOCK ("deleted (deactivated) vhost-user interface sw_if_index %d",
- sw_if_index);
-
- return rv;
-}
-
-int
-dpdk_vhost_user_dump_ifs (vnet_main_t * vnm, vlib_main_t * vm,
- vhost_user_intf_details_t ** out_vuids)
-{
- int rv = 0;
- dpdk_main_t *dm = &dpdk_main;
- dpdk_device_t *xd;
- dpdk_vu_intf_t *vui;
- struct virtio_net *vhost_dev;
- vhost_user_intf_details_t *r_vuids = NULL;
- vhost_user_intf_details_t *vuid = NULL;
- u32 *hw_if_indices = 0;
- vnet_hw_interface_t *hi;
- u8 *s = NULL;
- int i;
-
- if (!out_vuids)
- return -1;
-
- // using virtio vhost user?
- if (dm->conf->use_virtio_vhost)
- {
- return vhost_user_dump_ifs (vnm, vm, out_vuids);
- }
-
- vec_foreach (xd, dm->devices)
- {
- if ((xd->flags & DPDK_DEVICE_FLAG_VHOST_USER) && xd->vu_intf->active)
- vec_add1 (hw_if_indices, xd->vlib_hw_if_index);
- }
-
- for (i = 0; i < vec_len (hw_if_indices); i++)
- {
- hi = vnet_get_hw_interface (vnm, hw_if_indices[i]);
- xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_indices[i]);
- if (!xd)
- {
- clib_warning ("invalid vhost-user interface hw_if_index %d",
- hw_if_indices[i]);
- continue;
- }
-
- vui = xd->vu_intf;
- ASSERT (vui != NULL);
- vhost_dev = &xd->vu_vhost_dev;
- u32 virtio_net_hdr_sz = (vui->num_vrings > 0 ?
- vhost_dev->virtqueue[0]->vhost_hlen : 0);
-
- vec_add2 (r_vuids, vuid, 1);
- vuid->sw_if_index = xd->vlib_sw_if_index;
- vuid->virtio_net_hdr_sz = virtio_net_hdr_sz;
- vuid->features = vhost_dev->features;
- vuid->is_server = vui->sock_is_server;
- vuid->num_regions =
- (vhost_dev->mem != NULL ? vhost_dev->mem->nregions : 0);
- vuid->sock_errno = vui->sock_errno;
- strncpy ((char *) vuid->sock_filename, (char *) vui->sock_filename,
- ARRAY_LEN (vuid->sock_filename) - 1);
-
- s = format (s, "%v%c", hi->name, 0);
-
- strncpy ((char *) vuid->if_name, (char *) s,
- ARRAY_LEN (vuid->if_name) - 1);
- _vec_len (s) = 0;
- }
-
- vec_free (s);
- vec_free (hw_if_indices);
-
- *out_vuids = r_vuids;
-
- return rv;
-}
-
-/*
- * Processing functions called from dpdk process fn
- */
-
-typedef struct
-{
- struct sockaddr_un sun;
- int sockfd;
- unix_file_t template;
- uword *event_data;
-} dpdk_vu_process_state;
-
-void
-dpdk_vhost_user_process_init (void **ctx)
-{
- dpdk_vu_process_state *state =
- clib_mem_alloc (sizeof (dpdk_vu_process_state));
- memset (state, 0, sizeof (*state));
- state->sockfd = socket (AF_UNIX, SOCK_STREAM, 0);
- state->sun.sun_family = AF_UNIX;
- state->template.read_function = dpdk_vhost_user_socket_read;
- state->template.error_function = dpdk_vhost_user_socket_error;
- state->event_data = 0;
- *ctx = state;
-}
-
-void
-dpdk_vhost_user_process_cleanup (void *ctx)
-{
- clib_mem_free (ctx);
-}
-
-uword
-dpdk_vhost_user_process_if (vlib_main_t * vm, dpdk_device_t * xd, void *ctx)
-{
- dpdk_main_t *dm = &dpdk_main;
- dpdk_vu_process_state *state = (dpdk_vu_process_state *) ctx;
- dpdk_vu_intf_t *vui = xd->vu_intf;
-
- if (vui->sock_is_server || !vui->active)
- return 0;
-
- if (vui->unix_fd == -1)
- {
- /* try to connect */
- strncpy (state->sun.sun_path, (char *) vui->sock_filename,
- sizeof (state->sun.sun_path) - 1);
-
- if (connect
- (state->sockfd, (struct sockaddr *) &(state->sun),
- sizeof (struct sockaddr_un)) == 0)
- {
- vui->sock_errno = 0;
- vui->unix_fd = state->sockfd;
- state->template.file_descriptor = state->sockfd;
- vui->unix_file_index =
- unix_file_add (&unix_main, &(state->template));
- hash_set (dm->vu_sw_if_index_by_sock_fd, state->sockfd,
- xd->vlib_sw_if_index);
-
- state->sockfd = socket (AF_UNIX, SOCK_STREAM, 0);
- if (state->sockfd < 0)
- return -1;
- }
- else
- {
- vui->sock_errno = errno;
- }
- }
- else
- {
- /* check if socket is alive */
- int error = 0;
- socklen_t len = sizeof (error);
- int retval =
- getsockopt (vui->unix_fd, SOL_SOCKET, SO_ERROR, &error, &len);
-
- if (retval)
- dpdk_vhost_user_if_disconnect (xd);
- }
- return 0;
-}
-#endif
-
-/*
- * CLI functions
- */
-
-static clib_error_t *
-dpdk_vhost_user_connect_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
-#if DPDK_VHOST_USER
- dpdk_main_t *dm = &dpdk_main;
- unformat_input_t _line_input, *line_input = &_line_input;
- u8 *sock_filename = NULL;
- u32 sw_if_index;
- u8 is_server = 0;
- u64 feature_mask = (u64) ~ 0;
- u8 renumber = 0;
- u32 custom_dev_instance = ~0;
- u8 hwaddr[6];
- u8 *hw = NULL;
-
- if (dm->conf->use_virtio_vhost)
- {
-#endif
- return vhost_user_connect_command_fn (vm, input, cmd);
-#if DPDK_VHOST_USER
- }
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "socket %s", &sock_filename))
- ;
- else if (unformat (line_input, "server"))
- is_server = 1;
- else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
- ;
- else
- if (unformat
- (line_input, "hwaddr %U", unformat_ethernet_address, hwaddr))
- hw = hwaddr;
- else if (unformat (line_input, "renumber %d", &custom_dev_instance))
- {
- renumber = 1;
- }
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
- unformat_free (line_input);
-
- vnet_main_t *vnm = vnet_get_main ();
- if (sock_filename == NULL)
- return clib_error_return (0, "missing socket file");
-
- dpdk_vhost_user_create_if (vnm, vm, (char *) sock_filename,
- is_server, &sw_if_index, feature_mask,
- renumber, custom_dev_instance, hw);
-
- vec_free (sock_filename);
- vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index);
- return 0;
-#endif
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (dpdk_vhost_user_connect_command, static) = {
- .path = "create vhost-user",
- .short_help = "create vhost-user socket <socket-filename> [server] [feature-mask <hex>] [renumber <dev_instance>]",
- .function = dpdk_vhost_user_connect_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-dpdk_vhost_user_delete_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- dpdk_main_t *dm = &dpdk_main;
- clib_error_t *error = 0;
- unformat_input_t _line_input, *line_input = &_line_input;
- u32 sw_if_index = ~0;
-
- if (dm->conf->use_virtio_vhost)
- {
- return vhost_user_delete_command_fn (vm, input, cmd);
- }
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "sw_if_index %d", &sw_if_index))
- ;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
- unformat_free (line_input);
-
- if (sw_if_index == ~0)
- {
- error = clib_error_return (0, "invalid sw_if_index",
- format_unformat_error, input);
- return error;
- }
-
- vnet_main_t *vnm = vnet_get_main ();
-
-#if DPDK_VHOST_USER
- dpdk_vhost_user_delete_if (vnm, vm, sw_if_index);
-#else
- vhost_user_delete_if (vnm, vm, sw_if_index);
-#endif
-
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (dpdk_vhost_user_delete_command, static) = {
- .path = "delete vhost-user",
- .short_help = "delete vhost-user sw_if_index <nn>",
- .function = dpdk_vhost_user_delete_command_fn,
-};
-/* *INDENT-ON* */
-
-#define foreach_dpdk_vhost_feature \
- _ (VIRTIO_NET_F_MRG_RXBUF) \
- _ (VIRTIO_NET_F_CTRL_VQ) \
- _ (VIRTIO_NET_F_CTRL_RX)
-
-static clib_error_t *
-show_dpdk_vhost_user_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
-#if DPDK_VHOST_USER
- clib_error_t *error = 0;
- dpdk_main_t *dm = &dpdk_main;
- vnet_main_t *vnm = vnet_get_main ();
- dpdk_device_t *xd;
- dpdk_vu_intf_t *vui;
- struct virtio_net *vhost_dev;
- u32 hw_if_index, *hw_if_indices = 0;
- vnet_hw_interface_t *hi;
- int i, j, q;
- int show_descr = 0;
- struct virtio_memory *mem;
- struct feat_struct
- {
- u8 bit;
- char *str;
- };
- struct feat_struct *feat_entry;
-
- static struct feat_struct feat_array[] = {
-#define _(f) { .str = #f, .bit = f, },
- foreach_dpdk_vhost_feature
-#undef _
- {.str = NULL}
- };
-
- if (dm->conf->use_virtio_vhost)
- {
-#endif
- return show_vhost_user_command_fn (vm, input, cmd);
-#if DPDK_VHOST_USER
- }
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
- {
- vec_add1 (hw_if_indices, hw_if_index);
- vlib_cli_output (vm, "add %d", hw_if_index);
- }
- else if (unformat (input, "descriptors") || unformat (input, "desc"))
- show_descr = 1;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- goto done;
- }
- }
- if (vec_len (hw_if_indices) == 0)
- {
- vec_foreach (xd, dm->devices)
- {
- if ((xd->flags DPDK_DEVICE_FLAG_VHOST_USER) && xd->vu_intf->active)
- vec_add1 (hw_if_indices, xd->vlib_hw_if_index);
- }
- }
-
- vlib_cli_output (vm, "DPDK vhost-user interfaces");
- vlib_cli_output (vm, "Global:\n coalesce frames %d time %e\n\n",
- dm->conf->vhost_coalesce_frames,
- dm->conf->vhost_coalesce_time);
-
- for (i = 0; i < vec_len (hw_if_indices); i++)
- {
- hi = vnet_get_hw_interface (vnm, hw_if_indices[i]);
-
- if (!(xd = dpdk_vhost_user_device_from_hw_if_index (hw_if_indices[i])))
- {
- error = clib_error_return (0, "not dpdk vhost-user interface: '%s'",
- hi->name);
- goto done;
- }
- vui = xd->vu_intf;
- vhost_dev = &xd->vu_vhost_dev;
- mem = vhost_dev->mem;
- u32 virtio_net_hdr_sz = (vui->num_vrings > 0 ?
- vhost_dev->virtqueue[0]->vhost_hlen : 0);
-
- vlib_cli_output (vm, "Interface: %v (ifindex %d)",
- hi->name, hw_if_indices[i]);
-
- vlib_cli_output (vm, "virtio_net_hdr_sz %d\n features (0x%llx): \n",
- virtio_net_hdr_sz, xd->vu_vhost_dev.features);
-
- feat_entry = (struct feat_struct *) &feat_array;
- while (feat_entry->str)
- {
- if (xd->vu_vhost_dev.features & (1 << feat_entry->bit))
- vlib_cli_output (vm, " %s (%d)", feat_entry->str,
- feat_entry->bit);
- feat_entry++;
- }
-
- vlib_cli_output (vm, "\n");
-
- vlib_cli_output (vm, " socket filename %s type %s errno \"%s\"\n\n",
- vui->sock_filename,
- vui->sock_is_server ? "server" : "client",
- strerror (vui->sock_errno));
-
- vlib_cli_output (vm, " Memory regions (total %d)\n", mem->nregions);
-
- if (mem->nregions)
- {
- vlib_cli_output (vm,
- " region fd guest_phys_addr memory_size userspace_addr mmap_offset mmap_addr\n");
- vlib_cli_output (vm,
- " ====== ===== ================== ================== ================== ================== ==================\n");
- }
- for (j = 0; j < mem->nregions; j++)
- {
- vlib_cli_output (vm,
- " %d %-5d 0x%016lx 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n",
- j, vui->region_fd[j],
- mem->regions[j].guest_phys_address,
- mem->regions[j].memory_size,
- mem->regions[j].userspace_address,
- mem->regions[j].address_offset,
- vui->region_addr[j]);
- }
- for (q = 0; q < vui->num_vrings; q++)
- {
- struct vhost_virtqueue *vq = vhost_dev->virtqueue[q];
- const char *qtype = (q & 1) ? "TX" : "RX";
-
- vlib_cli_output (vm, "\n Virtqueue %d (%s)\n", q / 2, qtype);
-
- vlib_cli_output (vm,
- " qsz %d last_used_idx %d last_used_idx_res %d\n",
- vq->size, vq->last_used_idx,
- vq->last_used_idx_res);
-
- if (vq->avail && vq->used)
- vlib_cli_output (vm,
- " avail.flags %x avail.idx %d used.flags %x used.idx %d\n",
- vq->avail->flags, vq->avail->idx,
- vq->used->flags, vq->used->idx);
-
- vlib_cli_output (vm, " kickfd %d callfd %d errfd %d enabled %d\n",
- vq->kickfd, vq->callfd, vui->vrings[q].errfd,
- vq->enabled);
-
- if (show_descr && vq->enabled)
- {
- vlib_cli_output (vm, "\n descriptor table:\n");
- vlib_cli_output (vm,
- " id addr len flags next user_addr\n");
- vlib_cli_output (vm,
- " ===== ================== ===== ====== ===== ==================\n");
- for (j = 0; j < vq->size; j++)
- {
- vlib_cli_output (vm,
- " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
- j, vq->desc[j].addr, vq->desc[j].len,
- vq->desc[j].flags, vq->desc[j].next,
- pointer_to_uword (map_guest_mem
- (xd, vq->desc[j].addr)));
- }
- }
- }
- vlib_cli_output (vm, "\n");
- }
-done:
- vec_free (hw_if_indices);
- return error;
-#endif
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_vhost_user_command, static) = {
- .path = "show vhost-user",
- .short_help = "show vhost-user interface",
- .function = show_dpdk_vhost_user_command_fn,
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/vnet/vnet/devices/virtio/vhost-user.c b/vnet/vnet/devices/virtio/vhost-user.c
index a3dacd13b42..fd3cd21f859 100644
--- a/vnet/vnet/devices/virtio/vhost-user.c
+++ b/vnet/vnet/devices/virtio/vhost-user.c
@@ -2416,7 +2416,6 @@ done:
* CLI functions
*/
-#if DPDK == 0
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vhost_user_connect_command, static) = {
.path = "create vhost-user",
@@ -2436,7 +2435,6 @@ VLIB_CLI_COMMAND (show_vhost_user_command, static) = {
.function = show_vhost_user_command_fn,
};
/* *INDENT-ON* */
-#endif
static clib_error_t *
vhost_user_config (vlib_main_t * vm, unformat_input_t * input)