#include <stddef.h>
#include <unistd.h>
#include <string.h>
-#include <assert.h>
-#include <dlfcn.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/mman.h>
#include <linux/rtnetlink.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>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
-
#include <rte_malloc.h>
#include <rte_ethdev_driver.h>
#include <rte_ethdev_pci.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
#include <rte_common.h>
-#include <rte_config.h>
#include <rte_kvargs.h>
#include <rte_rwlock.h>
#include <rte_spinlock.h>
#include <rte_string_fns.h>
#include <rte_alarm.h>
+#include <mlx5_glue.h>
+#include <mlx5_devx_cmds.h>
+#include <mlx5_common.h>
+#include <mlx5_common_os.h>
+#include <mlx5_common_mp.h>
+#include <mlx5_common_pci.h>
+#include <mlx5_malloc.h>
+
+#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_utils.h"
#include "mlx5_rxtx.h"
#include "mlx5_autoconf.h"
-#include "mlx5_defs.h"
-#include "mlx5_glue.h"
#include "mlx5_mr.h"
#include "mlx5_flow.h"
+#include "rte_pmd_mlx5.h"
/* Device parameter to enable RX completion queue compression. */
#define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
/* Device parameter to configure log 2 of the number of strides for MPRQ. */
#define MLX5_RX_MPRQ_LOG_STRIDE_NUM "mprq_log_stride_num"
+/* Device parameter to configure log 2 of the stride size for MPRQ. */
+#define MLX5_RX_MPRQ_LOG_STRIDE_SIZE "mprq_log_stride_size"
+
/* Device parameter to limit the size of memcpy'd packet for MPRQ. */
#define MLX5_RX_MPRQ_MAX_MEMCPY_LEN "mprq_max_memcpy_len"
/* Device parameter to enable multi-packet send WQEs. */
#define MLX5_TXQ_MPW_EN "txq_mpw_en"
+/*
+ * Device parameter to force doorbell register mapping
+ * to non-cahed region eliminating the extra write memory barrier.
+ */
+#define MLX5_TX_DB_NC "tx_db_nc"
+
/*
* Device parameter to include 2 dsegs in the title WQEBB.
* Deprecated, ignored.
*/
#define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
+/*
+ * Device parameter to enable Tx scheduling on timestamps
+ * and specify the packet pacing granularity in nanoseconds.
+ */
+#define MLX5_TX_PP "tx_pp"
+
+/*
+ * Device parameter to specify skew in nanoseconds on Tx datapath,
+ * it represents the time between SQ start WQE processing and
+ * appearing actual packet data on the wire.
+ */
+#define MLX5_TX_SKEW "tx_skew"
+
/*
* Device parameter to enable hardware Tx vector.
* Deprecated, ignored (no vectorized Tx routines anymore).
/* Enable extensive flow metadata support. */
#define MLX5_DV_XMETA_EN "dv_xmeta_en"
+/* Device parameter to let the user manage the lacp traffic of bonded device */
+#define MLX5_LACP_BY_USER "lacp_by_user"
+
/* Activate Netlink support in VF mode. */
#define MLX5_VF_NL_EN "vf_nl_en"
/* Configure timeout of LRO session (in microseconds). */
#define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec"
-#ifndef HAVE_IBV_MLX5_MOD_MPW
-#define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
-#define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
-#endif
+/*
+ * Device parameter to configure the total data buffer size for a single
+ * hairpin queue (logarithm value).
+ */
+#define MLX5_HP_BUF_SIZE "hp_buf_log_sz"
-#ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
-#define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
-#endif
+/* Flow memory reclaim mode. */
+#define MLX5_RECLAIM_MEM "reclaim_mem_mode"
-static const char *MZ_MLX5_PMD_SHARED_DATA = "mlx5_pmd_shared_data";
+/* The default memory allocator used in PMD. */
+#define MLX5_SYS_MEM_EN "sys_mem_en"
+/* Decap will be used or not. */
+#define MLX5_DECAP_EN "decap_en"
/* Shared memory between primary and secondary processes. */
struct mlx5_shared_data *mlx5_shared_data;
-/* Spinlock for mlx5_shared_data allocation. */
-static rte_spinlock_t mlx5_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
-
-/* Process local data for secondary processes. */
-static struct mlx5_local_data mlx5_local_data;
-
/** Driver-specific log messages type. */
int mlx5_logtype;
-/** Data associated with devices to spawn. */
-struct mlx5_dev_spawn_data {
- uint32_t ifindex; /**< Network interface index. */
- uint32_t max_port; /**< IB device maximal port index. */
- uint32_t ibv_port; /**< IB device physical port index. */
- int pf_bond; /**< bonding device PF index. < 0 - no bonding */
- struct mlx5_switch_info info; /**< Switch information. */
- struct ibv_device *ibv_dev; /**< Associated IB device. */
- struct rte_eth_dev *eth_dev; /**< Associated Ethernet device. */
- struct rte_pci_device *pci_dev; /**< Backend PCI device. */
+static LIST_HEAD(, mlx5_dev_ctx_shared) mlx5_dev_ctx_list =
+ LIST_HEAD_INITIALIZER();
+static pthread_mutex_t mlx5_dev_ctx_list_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static const struct mlx5_indexed_pool_config mlx5_ipool_cfg[] = {
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ {
+ .size = sizeof(struct mlx5_flow_dv_encap_decap_resource),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_encap_decap_ipool",
+ },
+ {
+ .size = sizeof(struct mlx5_flow_dv_push_vlan_action_resource),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_push_vlan_ipool",
+ },
+ {
+ .size = sizeof(struct mlx5_flow_dv_tag_resource),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_tag_ipool",
+ },
+ {
+ .size = sizeof(struct mlx5_flow_dv_port_id_action_resource),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_port_id_ipool",
+ },
+ {
+ .size = sizeof(struct mlx5_flow_tbl_data_entry),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_jump_ipool",
+ },
+#endif
+ {
+ .size = sizeof(struct mlx5_flow_meter),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_meter_ipool",
+ },
+ {
+ .size = sizeof(struct mlx5_flow_mreg_copy_resource),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_mcp_ipool",
+ },
+ {
+ .size = (sizeof(struct mlx5_hrxq) + MLX5_RSS_HASH_KEY_LEN),
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_hrxq_ipool",
+ },
+ {
+ /*
+ * MLX5_IPOOL_MLX5_FLOW size varies for DV and VERBS flows.
+ * It set in run time according to PCI function configuration.
+ */
+ .size = 0,
+ .trunk_size = 64,
+ .grow_trunk = 3,
+ .grow_shift = 2,
+ .need_lock = 0,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "mlx5_flow_handle_ipool",
+ },
+ {
+ .size = sizeof(struct rte_flow),
+ .trunk_size = 4096,
+ .need_lock = 1,
+ .release_mem_en = 1,
+ .malloc = mlx5_malloc,
+ .free = mlx5_free,
+ .type = "rte_flow_ipool",
+ },
};
-static LIST_HEAD(, mlx5_ibv_shared) mlx5_ibv_list = LIST_HEAD_INITIALIZER();
-static pthread_mutex_t mlx5_ibv_list_mutex = PTHREAD_MUTEX_INITIALIZER;
#define MLX5_FLOW_MIN_ID_POOL_SIZE 512
#define MLX5_ID_GENERATION_ARRAY_FACTOR 16
+#define MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE 4096
+
/**
* Allocate ID pool structure.
*
+ * @param[in] max_id
+ * The maximum id can be allocated from the pool.
+ *
* @return
* Pointer to pool object, NULL value otherwise.
*/
struct mlx5_flow_id_pool *
-mlx5_flow_id_pool_alloc(void)
+mlx5_flow_id_pool_alloc(uint32_t max_id)
{
struct mlx5_flow_id_pool *pool;
void *mem;
- pool = rte_zmalloc("id pool allocation", sizeof(*pool),
- RTE_CACHE_LINE_SIZE);
+ pool = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*pool),
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
if (!pool) {
DRV_LOG(ERR, "can't allocate id pool");
rte_errno = ENOMEM;
return NULL;
}
- mem = rte_zmalloc("", MLX5_FLOW_MIN_ID_POOL_SIZE * sizeof(uint32_t),
- RTE_CACHE_LINE_SIZE);
+ mem = mlx5_malloc(MLX5_MEM_ZERO,
+ MLX5_FLOW_MIN_ID_POOL_SIZE * sizeof(uint32_t),
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
if (!mem) {
DRV_LOG(ERR, "can't allocate mem for id pool");
rte_errno = ENOMEM;
pool->curr = pool->free_arr;
pool->last = pool->free_arr + MLX5_FLOW_MIN_ID_POOL_SIZE;
pool->base_index = 0;
+ pool->max_id = max_id;
return pool;
error:
- rte_free(pool);
+ mlx5_free(pool);
return NULL;
}
void
mlx5_flow_id_pool_release(struct mlx5_flow_id_pool *pool)
{
- rte_free(pool->free_arr);
- rte_free(pool);
+ mlx5_free(pool->free_arr);
+ mlx5_free(pool);
}
/**
mlx5_flow_id_get(struct mlx5_flow_id_pool *pool, uint32_t *id)
{
if (pool->curr == pool->free_arr) {
- if (pool->base_index == UINT32_MAX) {
+ if (pool->base_index == pool->max_id) {
rte_errno = ENOMEM;
DRV_LOG(ERR, "no free id");
return -rte_errno;
if (pool->curr == pool->last) {
size = pool->curr - pool->free_arr;
size2 = size * MLX5_ID_GENERATION_ARRAY_FACTOR;
- assert(size2 > size);
- mem = rte_malloc("", size2 * sizeof(uint32_t), 0);
+ MLX5_ASSERT(size2 > size);
+ mem = mlx5_malloc(0, size2 * sizeof(uint32_t), 0,
+ SOCKET_ID_ANY);
if (!mem) {
DRV_LOG(ERR, "can't allocate mem for id pool");
rte_errno = ENOMEM;
return -rte_errno;
}
memcpy(mem, pool->free_arr, size * sizeof(uint32_t));
- rte_free(pool->free_arr);
+ mlx5_free(pool->free_arr);
pool->free_arr = mem;
pool->curr = pool->free_arr + size;
pool->last = pool->free_arr + size2;
return 0;
}
+/**
+ * Initialize the shared aging list information per port.
+ *
+ * @param[in] sh
+ * Pointer to mlx5_dev_ctx_shared object.
+ */
+static void
+mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh)
+{
+ uint32_t i;
+ struct mlx5_age_info *age_info;
+
+ for (i = 0; i < sh->max_port; i++) {
+ age_info = &sh->port[i].age_info;
+ age_info->flags = 0;
+ TAILQ_INIT(&age_info->aged_counters);
+ rte_spinlock_init(&age_info->aged_sl);
+ MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
+ }
+}
+
/**
* Initialize the counters management structure.
*
* @param[in] sh
- * Pointer to mlx5_ibv_shared object to free
+ * Pointer to mlx5_dev_ctx_shared object to free
*/
static void
-mlx5_flow_counters_mng_init(struct mlx5_ibv_shared *sh)
+mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh)
{
- uint8_t i;
+ int i;
+ memset(&sh->cmng, 0, sizeof(sh->cmng));
TAILQ_INIT(&sh->cmng.flow_counters);
- for (i = 0; i < RTE_DIM(sh->cmng.ccont); ++i)
+ for (i = 0; i < MLX5_CCONT_TYPE_MAX; ++i) {
+ sh->cmng.ccont[i].min_id = MLX5_CNT_BATCH_OFFSET;
+ sh->cmng.ccont[i].max_id = -1;
+ sh->cmng.ccont[i].last_pool_idx = POOL_IDX_INVALID;
TAILQ_INIT(&sh->cmng.ccont[i].pool_list);
+ rte_spinlock_init(&sh->cmng.ccont[i].resize_sl);
+ TAILQ_INIT(&sh->cmng.ccont[i].counters);
+ rte_spinlock_init(&sh->cmng.ccont[i].csl);
+ }
}
/**
LIST_REMOVE(mng, next);
claim_zero(mlx5_devx_cmd_destroy(mng->dm));
claim_zero(mlx5_glue->devx_umem_dereg(mng->umem));
- rte_free(mem);
+ mlx5_free(mem);
}
/**
* Close and release all the resources of the counters management.
*
* @param[in] sh
- * Pointer to mlx5_ibv_shared object to free.
+ * Pointer to mlx5_dev_ctx_shared object to free.
*/
static void
-mlx5_flow_counters_mng_close(struct mlx5_ibv_shared *sh)
+mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh)
{
struct mlx5_counter_stats_mem_mng *mng;
- uint8_t i;
+ int i;
int j;
int retries = 1024;
break;
rte_pause();
}
- for (i = 0; i < RTE_DIM(sh->cmng.ccont); ++i) {
+ for (i = 0; i < MLX5_CCONT_TYPE_MAX; ++i) {
struct mlx5_flow_counter_pool *pool;
- uint32_t batch = !!(i % 2);
+ uint32_t batch = !!(i > 1);
if (!sh->cmng.ccont[i].pools)
continue;
pool = TAILQ_FIRST(&sh->cmng.ccont[i].pool_list);
while (pool) {
- if (batch) {
- if (pool->min_dcs)
- claim_zero
- (mlx5_devx_cmd_destroy(pool->min_dcs));
- }
+ if (batch && pool->min_dcs)
+ claim_zero(mlx5_devx_cmd_destroy
+ (pool->min_dcs));
for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) {
- if (pool->counters_raw[j].action)
+ if (MLX5_POOL_GET_CNT(pool, j)->action)
claim_zero
- (mlx5_glue->destroy_flow_action
- (pool->counters_raw[j].action));
- if (!batch && pool->counters_raw[j].dcs)
+ (mlx5_glue->destroy_flow_action
+ (MLX5_POOL_GET_CNT
+ (pool, j)->action));
+ if (!batch && MLX5_GET_POOL_CNT_EXT
+ (pool, j)->dcs)
claim_zero(mlx5_devx_cmd_destroy
- (pool->counters_raw[j].dcs));
+ (MLX5_GET_POOL_CNT_EXT
+ (pool, j)->dcs));
}
- TAILQ_REMOVE(&sh->cmng.ccont[i].pool_list, pool,
- next);
- rte_free(pool);
+ TAILQ_REMOVE(&sh->cmng.ccont[i].pool_list, pool, next);
+ mlx5_free(pool);
pool = TAILQ_FIRST(&sh->cmng.ccont[i].pool_list);
}
- rte_free(sh->cmng.ccont[i].pools);
+ mlx5_free(sh->cmng.ccont[i].pools);
}
mng = LIST_FIRST(&sh->cmng.mem_mngs);
while (mng) {
}
/**
- * Extract pdn of PD object using DV API.
+ * Initialize the flow resources' indexed mempool.
+ *
+ * @param[in] sh
+ * Pointer to mlx5_dev_ctx_shared object.
+ * @param[in] sh
+ * Pointer to user dev config.
+ */
+static void
+mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh,
+ const struct mlx5_dev_config *config)
+{
+ uint8_t i;
+ struct mlx5_indexed_pool_config cfg;
+
+ for (i = 0; i < MLX5_IPOOL_MAX; ++i) {
+ cfg = mlx5_ipool_cfg[i];
+ switch (i) {
+ default:
+ break;
+ /*
+ * Set MLX5_IPOOL_MLX5_FLOW ipool size
+ * according to PCI function flow configuration.
+ */
+ case MLX5_IPOOL_MLX5_FLOW:
+ cfg.size = config->dv_flow_en ?
+ sizeof(struct mlx5_flow_handle) :
+ MLX5_FLOW_HANDLE_VERBS_SIZE;
+ break;
+ }
+ if (config->reclaim_mode)
+ cfg.release_mem_en = 1;
+ sh->ipool[i] = mlx5_ipool_create(&cfg);
+ }
+}
+
+/**
+ * Release the flow resources' indexed mempool.
+ *
+ * @param[in] sh
+ * Pointer to mlx5_dev_ctx_shared object.
+ */
+static void
+mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh)
+{
+ uint8_t i;
+
+ for (i = 0; i < MLX5_IPOOL_MAX; ++i)
+ mlx5_ipool_destroy(sh->ipool[i]);
+}
+
+/*
+ * Check if dynamic flex parser for eCPRI already exists.
*
- * @param[in] pd
- * Pointer to the verbs PD object.
- * @param[out] pdn
- * Pointer to the PD object number variable.
+ * @param dev
+ * Pointer to Ethernet device structure.
*
* @return
- * 0 on success, error value otherwise.
+ * true on exists, false on not.
*/
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
-static int
-mlx5_get_pdn(struct ibv_pd *pd __rte_unused, uint32_t *pdn __rte_unused)
+bool
+mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev)
{
- struct mlx5dv_obj obj;
- struct mlx5dv_pd pd_info;
- int ret = 0;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_flex_parser_profiles *prf =
+ &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
+
+ return !!prf->obj;
+}
+
+/*
+ * Allocation of a flex parser for eCPRI. Once created, this parser related
+ * resources will be held until the device is closed.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_flex_parser_profiles *prf =
+ &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
+ struct mlx5_devx_graph_node_attr node = {
+ .modify_field_select = 0,
+ };
+ uint32_t ids[8];
+ int ret;
- obj.pd.in = pd;
- obj.pd.out = &pd_info;
- ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
+ if (!priv->config.hca_attr.parse_graph_flex_node) {
+ DRV_LOG(ERR, "Dynamic flex parser is not supported "
+ "for device %s.", priv->dev_data->name);
+ return -ENOTSUP;
+ }
+ node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED;
+ /* 8 bytes now: 4B common header + 4B message body header. */
+ node.header_length_base_value = 0x8;
+ /* After MAC layer: Ether / VLAN. */
+ node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC;
+ /* Type of compared condition should be 0xAEFE in the L2 layer. */
+ node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI;
+ /* Sample #0: type in common header. */
+ node.sample[0].flow_match_sample_en = 1;
+ /* Fixed offset. */
+ node.sample[0].flow_match_sample_offset_mode = 0x0;
+ /* Only the 2nd byte will be used. */
+ node.sample[0].flow_match_sample_field_base_offset = 0x0;
+ /* Sample #1: message payload. */
+ node.sample[1].flow_match_sample_en = 1;
+ /* Fixed offset. */
+ node.sample[1].flow_match_sample_offset_mode = 0x0;
+ /*
+ * Only the first two bytes will be used right now, and its offset will
+ * start after the common header that with the length of a DW(u32).
+ */
+ node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t);
+ prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->ctx, &node);
+ if (!prf->obj) {
+ DRV_LOG(ERR, "Failed to create flex parser node object.");
+ return (rte_errno == 0) ? -ENODEV : -rte_errno;
+ }
+ prf->num = 2;
+ ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num);
if (ret) {
- DRV_LOG(DEBUG, "Fail to get PD object info");
- return ret;
+ DRV_LOG(ERR, "Failed to query sample IDs.");
+ return (rte_errno == 0) ? -ENODEV : -rte_errno;
}
- *pdn = pd_info.pdn;
+ prf->offset[0] = 0x0;
+ prf->offset[1] = sizeof(uint32_t);
+ prf->ids[0] = ids[0];
+ prf->ids[1] = ids[1];
return 0;
}
-#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
+
+/*
+ * Destroy the flex parser node, including the parser itself, input / output
+ * arcs and DW samples. Resources could be reused then.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+static void
+mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_flex_parser_profiles *prf =
+ &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
+
+ if (prf->obj)
+ mlx5_devx_cmd_destroy(prf->obj);
+ prf->obj = NULL;
+}
+
+/*
+ * Allocate Rx and Tx UARs in robust fashion.
+ * This routine handles the following UAR allocation issues:
+ *
+ * - tries to allocate the UAR with the most appropriate memory
+ * mapping type from the ones supported by the host
+ *
+ * - tries to allocate the UAR with non-NULL base address
+ * OFED 5.0.x and Upstream rdma_core before v29 returned the NULL as
+ * UAR base address if UAR was not the first object in the UAR page.
+ * It caused the PMD failure and we should try to get another UAR
+ * till we get the first one with non-NULL base address returned.
+ */
+static int
+mlx5_alloc_rxtx_uars(struct mlx5_dev_ctx_shared *sh,
+ const struct mlx5_dev_config *config)
+{
+ uint32_t uar_mapping, retry;
+ int err = 0;
+
+ for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
+#ifdef MLX5DV_UAR_ALLOC_TYPE_NC
+ /* Control the mapping type according to the settings. */
+ uar_mapping = (config->dbnc == MLX5_TXDB_NCACHED) ?
+ MLX5DV_UAR_ALLOC_TYPE_NC :
+ MLX5DV_UAR_ALLOC_TYPE_BF;
+#else
+ RTE_SET_USED(config);
+ /*
+ * It seems we have no way to control the memory mapping type
+ * for the UAR, the default "Write-Combining" type is supposed.
+ * The UAR initialization on queue creation queries the
+ * actual mapping type done by Verbs/kernel and setups the
+ * PMD datapath accordingly.
+ */
+ uar_mapping = 0;
+#endif
+ sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, uar_mapping);
+#ifdef MLX5DV_UAR_ALLOC_TYPE_NC
+ if (!sh->tx_uar &&
+ uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
+ if (config->dbnc == MLX5_TXDB_CACHED ||
+ config->dbnc == MLX5_TXDB_HEURISTIC)
+ DRV_LOG(WARNING, "Devarg tx_db_nc setting "
+ "is not supported by DevX");
+ /*
+ * In some environments like virtual machine
+ * the Write Combining mapped might be not supported
+ * and UAR allocation fails. We try "Non-Cached"
+ * mapping for the case. The tx_burst routines take
+ * the UAR mapping type into account on UAR setup
+ * on queue creation.
+ */
+ DRV_LOG(WARNING, "Failed to allocate Tx DevX UAR (BF)");
+ uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
+ sh->tx_uar = mlx5_glue->devx_alloc_uar
+ (sh->ctx, uar_mapping);
+ } else if (!sh->tx_uar &&
+ uar_mapping == MLX5DV_UAR_ALLOC_TYPE_NC) {
+ if (config->dbnc == MLX5_TXDB_NCACHED)
+ DRV_LOG(WARNING, "Devarg tx_db_nc settings "
+ "is not supported by DevX");
+ /*
+ * If Verbs/kernel does not support "Non-Cached"
+ * try the "Write-Combining".
+ */
+ DRV_LOG(WARNING, "Failed to allocate Tx DevX UAR (NC)");
+ uar_mapping = MLX5DV_UAR_ALLOC_TYPE_BF;
+ sh->tx_uar = mlx5_glue->devx_alloc_uar
+ (sh->ctx, uar_mapping);
+ }
+#endif
+ if (!sh->tx_uar) {
+ DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (BF/NC)");
+ err = ENOMEM;
+ goto exit;
+ }
+ if (sh->tx_uar->base_addr)
+ break;
+ /*
+ * The UARs are allocated by rdma_core within the
+ * IB device context, on context closure all UARs
+ * will be freed, should be no memory/object leakage.
+ */
+ DRV_LOG(WARNING, "Retrying to allocate Tx DevX UAR");
+ sh->tx_uar = NULL;
+ }
+ /* Check whether we finally succeeded with valid UAR allocation. */
+ if (!sh->tx_uar) {
+ DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (NULL base)");
+ err = ENOMEM;
+ goto exit;
+ }
+ for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
+ uar_mapping = 0;
+ sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
+ (sh->ctx, uar_mapping);
+#ifdef MLX5DV_UAR_ALLOC_TYPE_NC
+ if (!sh->devx_rx_uar &&
+ uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
+ /*
+ * Rx UAR is used to control interrupts only,
+ * should be no datapath noticeable impact,
+ * can try "Non-Cached" mapping safely.
+ */
+ DRV_LOG(WARNING, "Failed to allocate Rx DevX UAR (BF)");
+ uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
+ sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
+ (sh->ctx, uar_mapping);
+ }
+#endif
+ if (!sh->devx_rx_uar) {
+ DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (BF/NC)");
+ err = ENOMEM;
+ goto exit;
+ }
+ if (sh->devx_rx_uar->base_addr)
+ break;
+ /*
+ * The UARs are allocated by rdma_core within the
+ * IB device context, on context closure all UARs
+ * will be freed, should be no memory/object leakage.
+ */
+ DRV_LOG(WARNING, "Retrying to allocate Rx DevX UAR");
+ sh->devx_rx_uar = NULL;
+ }
+ /* Check whether we finally succeeded with valid UAR allocation. */
+ if (!sh->devx_rx_uar) {
+ DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (NULL base)");
+ err = ENOMEM;
+ }
+exit:
+ return err;
+}
/**
- * Allocate shared IB device context. If there is multiport device the
+ * Allocate shared device context. If there is multiport device the
* master and representors will share this context, if there is single
- * port dedicated IB device, the context will be used by only given
+ * port dedicated device, the context will be used by only given
* port due to unification.
*
- * Routine first searches the context for the specified IB device name,
+ * Routine first searches the context for the specified device name,
* if found the shared context assumed and reference counter is incremented.
* If no context found the new one is created and initialized with specified
- * IB device context and parameters.
+ * device context and parameters.
*
* @param[in] spawn
- * Pointer to the IB device attributes (name, port, etc).
+ * Pointer to the device attributes (name, port, etc).
+ * @param[in] config
+ * Pointer to device configuration structure.
*
* @return
- * Pointer to mlx5_ibv_shared object on success,
+ * Pointer to mlx5_dev_ctx_shared object on success,
* otherwise NULL and rte_errno is set.
*/
-static struct mlx5_ibv_shared *
-mlx5_alloc_shared_ibctx(const struct mlx5_dev_spawn_data *spawn)
+struct mlx5_dev_ctx_shared *
+mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
+ const struct mlx5_dev_config *config)
{
- struct mlx5_ibv_shared *sh;
+ struct mlx5_dev_ctx_shared *sh;
int err = 0;
uint32_t i;
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
struct mlx5_devx_tis_attr tis_attr = { 0 };
-#endif
-assert(spawn);
+ MLX5_ASSERT(spawn);
/* Secondary process should not create the shared context. */
- assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
- pthread_mutex_lock(&mlx5_ibv_list_mutex);
+ MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
+ pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
/* Search for IB context by device name. */
- LIST_FOREACH(sh, &mlx5_ibv_list, next) {
- if (!strcmp(sh->ibdev_name, spawn->ibv_dev->name)) {
+ LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) {
+ if (!strcmp(sh->ibdev_name,
+ mlx5_os_get_dev_device_name(spawn->phys_dev))) {
sh->refcnt++;
goto exit;
}
}
/* No device found, we have to create new shared context. */
- assert(spawn->max_port);
- sh = rte_zmalloc("ethdev shared ib context",
- sizeof(struct mlx5_ibv_shared) +
+ MLX5_ASSERT(spawn->max_port);
+ sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
+ sizeof(struct mlx5_dev_ctx_shared) +
spawn->max_port *
- sizeof(struct mlx5_ibv_shared_port),
- RTE_CACHE_LINE_SIZE);
+ sizeof(struct mlx5_dev_shared_port),
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
if (!sh) {
DRV_LOG(ERR, "shared context allocation failure");
rte_errno = ENOMEM;
goto exit;
}
- /* Try to open IB device with DV first, then usual Verbs. */
- errno = 0;
- sh->ctx = mlx5_glue->dv_open_device(spawn->ibv_dev);
- if (sh->ctx) {
- sh->devx = 1;
- DRV_LOG(DEBUG, "DevX is supported");
- } else {
- sh->ctx = mlx5_glue->open_device(spawn->ibv_dev);
- if (!sh->ctx) {
- err = errno ? errno : ENODEV;
- goto error;
- }
- DRV_LOG(DEBUG, "DevX is NOT supported");
- }
- err = mlx5_glue->query_device_ex(sh->ctx, NULL, &sh->device_attr);
+ err = mlx5_os_open_device(spawn, config, sh);
+ if (!sh->ctx)
+ goto error;
+ err = mlx5_os_get_dev_attr(sh->ctx, &sh->device_attr);
if (err) {
- DRV_LOG(DEBUG, "ibv_query_device_ex() failed");
+ DRV_LOG(DEBUG, "mlx5_os_get_dev_attr() failed");
goto error;
}
sh->refcnt = 1;
sh->max_port = spawn->max_port;
- strncpy(sh->ibdev_name, sh->ctx->device->name,
- sizeof(sh->ibdev_name));
- strncpy(sh->ibdev_path, sh->ctx->device->ibdev_path,
- sizeof(sh->ibdev_path));
- pthread_mutex_init(&sh->intr_mutex, NULL);
+ strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->ctx),
+ sizeof(sh->ibdev_name) - 1);
+ strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->ctx),
+ sizeof(sh->ibdev_path) - 1);
/*
* Setting port_id to max unallowed value means
* there is no interrupt subhandler installed for
err = ENOMEM;
goto error;
}
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
if (sh->devx) {
- err = mlx5_get_pdn(sh->pd, &sh->pdn);
+ err = mlx5_os_get_pdn(sh->pd, &sh->pdn);
if (err) {
DRV_LOG(ERR, "Fail to extract pdn from PD");
goto error;
err = ENOMEM;
goto error;
}
+ err = mlx5_alloc_rxtx_uars(sh, config);
+ if (err)
+ goto error;
+ MLX5_ASSERT(sh->tx_uar && sh->tx_uar->base_addr);
+ MLX5_ASSERT(sh->devx_rx_uar && sh->devx_rx_uar->base_addr);
}
- sh->flow_id_pool = mlx5_flow_id_pool_alloc();
+ sh->flow_id_pool = mlx5_flow_id_pool_alloc
+ ((1 << HAIRPIN_FLOW_ID_BITS) - 1);
if (!sh->flow_id_pool) {
DRV_LOG(ERR, "can't create flow id pool");
err = ENOMEM;
goto error;
}
-#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
+#ifndef RTE_ARCH_64
+ /* Initialize UAR access locks for 32bit implementations. */
+ rte_spinlock_init(&sh->uar_lock_cq);
+ for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
+ rte_spinlock_init(&sh->uar_lock[i]);
+#endif
/*
* Once the device is added to the list of memory event
* callback, its global MR cache table cannot be expanded
* At this point the device is not added to the memory
* event list yet, context is just being created.
*/
- err = mlx5_mr_btree_init(&sh->mr.cache,
+ err = mlx5_mr_btree_init(&sh->share_cache.cache,
MLX5_MR_BTREE_CACHE_N * 2,
spawn->pci_dev->device.numa_node);
if (err) {
err = rte_errno;
goto error;
}
+ mlx5_os_set_reg_mr_cb(&sh->share_cache.reg_mr_cb,
+ &sh->share_cache.dereg_mr_cb);
+ mlx5_os_dev_shared_handler_install(sh);
+ sh->cnt_id_tbl = mlx5_l3t_create(MLX5_L3T_TYPE_DWORD);
+ if (!sh->cnt_id_tbl) {
+ err = rte_errno;
+ goto error;
+ }
+ mlx5_flow_aging_init(sh);
mlx5_flow_counters_mng_init(sh);
+ mlx5_flow_ipool_create(sh, config);
/* Add device to memory callback list. */
rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
LIST_INSERT_HEAD(&mlx5_shared_data->mem_event_cb_list,
sh, mem_event_cb);
rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
/* Add context to the global device list. */
- LIST_INSERT_HEAD(&mlx5_ibv_list, sh, next);
+ LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next);
exit:
- pthread_mutex_unlock(&mlx5_ibv_list_mutex);
+ pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
return sh;
error:
- pthread_mutex_unlock(&mlx5_ibv_list_mutex);
- assert(sh);
+ pthread_mutex_destroy(&sh->txpp.mutex);
+ pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
+ MLX5_ASSERT(sh);
+ if (sh->cnt_id_tbl)
+ mlx5_l3t_destroy(sh->cnt_id_tbl);
if (sh->tis)
claim_zero(mlx5_devx_cmd_destroy(sh->tis));
if (sh->td)
claim_zero(mlx5_devx_cmd_destroy(sh->td));
+ if (sh->devx_rx_uar)
+ mlx5_glue->devx_free_uar(sh->devx_rx_uar);
+ if (sh->tx_uar)
+ mlx5_glue->devx_free_uar(sh->tx_uar);
if (sh->pd)
claim_zero(mlx5_glue->dealloc_pd(sh->pd));
if (sh->ctx)
claim_zero(mlx5_glue->close_device(sh->ctx));
if (sh->flow_id_pool)
mlx5_flow_id_pool_release(sh->flow_id_pool);
- rte_free(sh);
- assert(err > 0);
+ mlx5_free(sh);
+ MLX5_ASSERT(err > 0);
rte_errno = err;
return NULL;
}
* all allocated resources and close handles.
*
* @param[in] sh
- * Pointer to mlx5_ibv_shared object to free
+ * Pointer to mlx5_dev_ctx_shared object to free
*/
-static void
-mlx5_free_shared_ibctx(struct mlx5_ibv_shared *sh)
+void
+mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh)
{
- pthread_mutex_lock(&mlx5_ibv_list_mutex);
-#ifndef NDEBUG
+ pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
+#ifdef RTE_LIBRTE_MLX5_DEBUG
/* Check the object presence in the list. */
- struct mlx5_ibv_shared *lctx;
+ struct mlx5_dev_ctx_shared *lctx;
- LIST_FOREACH(lctx, &mlx5_ibv_list, next)
+ LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next)
if (lctx == sh)
break;
- assert(lctx);
+ MLX5_ASSERT(lctx);
if (lctx != sh) {
DRV_LOG(ERR, "Freeing non-existing shared IB context");
goto exit;
}
#endif
- assert(sh);
- assert(sh->refcnt);
+ MLX5_ASSERT(sh);
+ MLX5_ASSERT(sh->refcnt);
/* Secondary process should not free the shared context. */
- assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+ MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
if (--sh->refcnt)
goto exit;
- /* Release created Memory Regions. */
- mlx5_mr_release(sh);
/* Remove from memory callback device list. */
rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
LIST_REMOVE(sh, mem_event_cb);
rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
+ /* Release created Memory Regions. */
+ mlx5_mr_release_cache(&sh->share_cache);
/* Remove context from the global device list. */
LIST_REMOVE(sh, next);
+ pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
/*
* Ensure there is no async event handler installed.
* Only primary process handles async device events.
**/
mlx5_flow_counters_mng_close(sh);
- assert(!sh->intr_cnt);
- if (sh->intr_cnt)
- mlx5_intr_callback_unregister
- (&sh->intr_handle, mlx5_dev_interrupt_handler, sh);
-#ifdef HAVE_MLX5_DEVX_ASYNC_SUPPORT
- if (sh->devx_intr_cnt) {
- if (sh->intr_handle_devx.fd)
- rte_intr_callback_unregister(&sh->intr_handle_devx,
- mlx5_dev_interrupt_handler_devx, sh);
- if (sh->devx_comp)
- mlx5dv_devx_destroy_cmd_comp(sh->devx_comp);
+ mlx5_flow_ipool_destroy(sh);
+ mlx5_os_dev_shared_handler_uninstall(sh);
+ if (sh->cnt_id_tbl) {
+ mlx5_l3t_destroy(sh->cnt_id_tbl);
+ sh->cnt_id_tbl = NULL;
+ }
+ if (sh->tx_uar) {
+ mlx5_glue->devx_free_uar(sh->tx_uar);
+ sh->tx_uar = NULL;
}
-#endif
- pthread_mutex_destroy(&sh->intr_mutex);
if (sh->pd)
claim_zero(mlx5_glue->dealloc_pd(sh->pd));
if (sh->tis)
claim_zero(mlx5_devx_cmd_destroy(sh->tis));
if (sh->td)
claim_zero(mlx5_devx_cmd_destroy(sh->td));
+ if (sh->devx_rx_uar)
+ mlx5_glue->devx_free_uar(sh->devx_rx_uar);
if (sh->ctx)
claim_zero(mlx5_glue->close_device(sh->ctx));
if (sh->flow_id_pool)
mlx5_flow_id_pool_release(sh->flow_id_pool);
- rte_free(sh);
+ pthread_mutex_destroy(&sh->txpp.mutex);
+ mlx5_free(sh);
+ return;
exit:
- pthread_mutex_unlock(&mlx5_ibv_list_mutex);
+ pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
+}
+
+/**
+ * Destroy table hash list and all the root entries per domain.
+ *
+ * @param[in] priv
+ * Pointer to the private device data structure.
+ */
+void
+mlx5_free_table_hash_list(struct mlx5_priv *priv)
+{
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
+ struct mlx5_flow_tbl_data_entry *tbl_data;
+ union mlx5_flow_tbl_key table_key = {
+ {
+ .table_id = 0,
+ .reserved = 0,
+ .domain = 0,
+ .direction = 0,
+ }
+ };
+ struct mlx5_hlist_entry *pos;
+
+ if (!sh->flow_tbls)
+ return;
+ pos = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64);
+ if (pos) {
+ tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
+ entry);
+ MLX5_ASSERT(tbl_data);
+ mlx5_hlist_remove(sh->flow_tbls, pos);
+ mlx5_free(tbl_data);
+ }
+ table_key.direction = 1;
+ pos = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64);
+ if (pos) {
+ tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
+ entry);
+ MLX5_ASSERT(tbl_data);
+ mlx5_hlist_remove(sh->flow_tbls, pos);
+ mlx5_free(tbl_data);
+ }
+ table_key.direction = 0;
+ table_key.domain = 1;
+ pos = mlx5_hlist_lookup(sh->flow_tbls, table_key.v64);
+ if (pos) {
+ tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
+ entry);
+ MLX5_ASSERT(tbl_data);
+ mlx5_hlist_remove(sh->flow_tbls, pos);
+ mlx5_free(tbl_data);
+ }
+ mlx5_hlist_destroy(sh->flow_tbls, NULL, NULL);
}
/**
- * Initialize DR related data within private structure.
- * Routine checks the reference counter and does actual
- * resources creation/initialization only if counter is zero.
+ * Initialize flow table hash list and create the root tables entry
+ * for each domain.
*
* @param[in] priv
* Pointer to the private device data structure.
* @return
* Zero on success, positive error code otherwise.
*/
-static int
-mlx5_alloc_shared_dr(struct mlx5_priv *priv)
+int
+mlx5_alloc_table_hash_list(struct mlx5_priv *priv)
{
-#ifdef HAVE_MLX5DV_DR
- struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
+ char s[MLX5_HLIST_NAMESIZE];
int err = 0;
- void *domain;
- assert(sh);
- if (sh->dv_refcnt) {
- /* Shared DV/DR structures is already initialized. */
- sh->dv_refcnt++;
- priv->dr_shared = 1;
- return 0;
+ MLX5_ASSERT(sh);
+ snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
+ sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE);
+ if (!sh->flow_tbls) {
+ DRV_LOG(ERR, "flow tables with hash creation failed.");
+ err = ENOMEM;
+ return err;
}
- /* Reference counter is zero, we should initialize structures. */
- domain = mlx5_glue->dr_create_domain(sh->ctx,
- MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
- if (!domain) {
- DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
- err = errno;
+#ifndef HAVE_MLX5DV_DR
+ /*
+ * In case we have not DR support, the zero tables should be created
+ * because DV expect to see them even if they cannot be created by
+ * RDMA-CORE.
+ */
+ union mlx5_flow_tbl_key table_key = {
+ {
+ .table_id = 0,
+ .reserved = 0,
+ .domain = 0,
+ .direction = 0,
+ }
+ };
+ struct mlx5_flow_tbl_data_entry *tbl_data = mlx5_malloc(MLX5_MEM_ZERO,
+ sizeof(*tbl_data), 0,
+ SOCKET_ID_ANY);
+
+ if (!tbl_data) {
+ err = ENOMEM;
goto error;
}
- sh->rx_domain = domain;
- domain = mlx5_glue->dr_create_domain(sh->ctx,
- MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
- if (!domain) {
- DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
- err = errno;
+ tbl_data->entry.key = table_key.v64;
+ err = mlx5_hlist_insert(sh->flow_tbls, &tbl_data->entry);
+ if (err)
+ goto error;
+ rte_atomic32_init(&tbl_data->tbl.refcnt);
+ rte_atomic32_inc(&tbl_data->tbl.refcnt);
+ table_key.direction = 1;
+ tbl_data = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tbl_data), 0,
+ SOCKET_ID_ANY);
+ if (!tbl_data) {
+ err = ENOMEM;
goto error;
}
- pthread_mutex_init(&sh->dv_mutex, NULL);
- sh->tx_domain = domain;
-#ifdef HAVE_MLX5DV_DR_ESWITCH
- if (priv->config.dv_esw_en) {
- domain = mlx5_glue->dr_create_domain
- (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
- if (!domain) {
- DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
- err = errno;
- goto error;
- }
- sh->fdb_domain = domain;
- sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
+ tbl_data->entry.key = table_key.v64;
+ err = mlx5_hlist_insert(sh->flow_tbls, &tbl_data->entry);
+ if (err)
+ goto error;
+ rte_atomic32_init(&tbl_data->tbl.refcnt);
+ rte_atomic32_inc(&tbl_data->tbl.refcnt);
+ table_key.direction = 0;
+ table_key.domain = 1;
+ tbl_data = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tbl_data), 0,
+ SOCKET_ID_ANY);
+ if (!tbl_data) {
+ err = ENOMEM;
+ goto error;
}
-#endif
- sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
- sh->dv_refcnt++;
- priv->dr_shared = 1;
- return 0;
-
+ tbl_data->entry.key = table_key.v64;
+ err = mlx5_hlist_insert(sh->flow_tbls, &tbl_data->entry);
+ if (err)
+ goto error;
+ rte_atomic32_init(&tbl_data->tbl.refcnt);
+ rte_atomic32_inc(&tbl_data->tbl.refcnt);
+ return err;
error:
- /* Rollback the created objects. */
- if (sh->rx_domain) {
- mlx5_glue->dr_destroy_domain(sh->rx_domain);
- sh->rx_domain = NULL;
- }
- if (sh->tx_domain) {
- mlx5_glue->dr_destroy_domain(sh->tx_domain);
- sh->tx_domain = NULL;
- }
- if (sh->fdb_domain) {
- mlx5_glue->dr_destroy_domain(sh->fdb_domain);
- sh->fdb_domain = NULL;
- }
- if (sh->esw_drop_action) {
- mlx5_glue->destroy_flow_action(sh->esw_drop_action);
- sh->esw_drop_action = NULL;
- }
- if (sh->pop_vlan_action) {
- mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
- sh->pop_vlan_action = NULL;
- }
+ mlx5_free_table_hash_list(priv);
+#endif /* HAVE_MLX5DV_DR */
return err;
-#else
- (void)priv;
- return 0;
-#endif
}
/**
- * Destroy DR related data within private structure.
- *
- * @param[in] priv
- * Pointer to the private device data structure.
- */
-static void
-mlx5_free_shared_dr(struct mlx5_priv *priv)
-{
-#ifdef HAVE_MLX5DV_DR
- struct mlx5_ibv_shared *sh;
-
- if (!priv->dr_shared)
- return;
- priv->dr_shared = 0;
- sh = priv->sh;
- assert(sh);
- assert(sh->dv_refcnt);
- if (sh->dv_refcnt && --sh->dv_refcnt)
- return;
- if (sh->rx_domain) {
- mlx5_glue->dr_destroy_domain(sh->rx_domain);
- sh->rx_domain = NULL;
- }
- if (sh->tx_domain) {
- mlx5_glue->dr_destroy_domain(sh->tx_domain);
- sh->tx_domain = NULL;
- }
-#ifdef HAVE_MLX5DV_DR_ESWITCH
- if (sh->fdb_domain) {
- mlx5_glue->dr_destroy_domain(sh->fdb_domain);
- sh->fdb_domain = NULL;
- }
- if (sh->esw_drop_action) {
- mlx5_glue->destroy_flow_action(sh->esw_drop_action);
- sh->esw_drop_action = NULL;
- }
-#endif
- if (sh->pop_vlan_action) {
- mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
- sh->pop_vlan_action = NULL;
- }
- pthread_mutex_destroy(&sh->dv_mutex);
-#else
- (void)priv;
-#endif
-}
-
-/**
- * Initialize shared data between primary and secondary process.
- *
- * A memzone is reserved by primary process and secondary processes attach to
- * the memzone.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_init_shared_data(void)
-{
- const struct rte_memzone *mz;
- int ret = 0;
-
- rte_spinlock_lock(&mlx5_shared_data_lock);
- if (mlx5_shared_data == NULL) {
- if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
- /* Allocate shared memory. */
- mz = rte_memzone_reserve(MZ_MLX5_PMD_SHARED_DATA,
- sizeof(*mlx5_shared_data),
- SOCKET_ID_ANY, 0);
- if (mz == NULL) {
- DRV_LOG(ERR,
- "Cannot allocate mlx5 shared data");
- ret = -rte_errno;
- goto error;
- }
- mlx5_shared_data = mz->addr;
- memset(mlx5_shared_data, 0, sizeof(*mlx5_shared_data));
- rte_spinlock_init(&mlx5_shared_data->lock);
- } else {
- /* Lookup allocated shared memory. */
- mz = rte_memzone_lookup(MZ_MLX5_PMD_SHARED_DATA);
- if (mz == NULL) {
- DRV_LOG(ERR,
- "Cannot attach mlx5 shared data");
- ret = -rte_errno;
- goto error;
- }
- mlx5_shared_data = mz->addr;
- memset(&mlx5_local_data, 0, sizeof(mlx5_local_data));
- }
- }
-error:
- rte_spinlock_unlock(&mlx5_shared_data_lock);
- return ret;
-}
-
-/**
- * Retrieve integer value from environment variable.
+ * Retrieve integer value from environment variable.
*
* @param[in] name
* Environment variable name.
return atoi(val);
}
-/**
- * Verbs callback to allocate a memory. This function should allocate the space
- * according to the size provided residing inside a huge page.
- * Please note that all allocation must respect the alignment from libmlx5
- * (i.e. currently sysconf(_SC_PAGESIZE)).
- *
- * @param[in] size
- * The size in bytes of the memory to allocate.
- * @param[in] data
- * A pointer to the callback data.
- *
- * @return
- * Allocated buffer, NULL otherwise and rte_errno is set.
- */
-static void *
-mlx5_alloc_verbs_buf(size_t size, void *data)
-{
- struct mlx5_priv *priv = data;
- void *ret;
- size_t alignment = sysconf(_SC_PAGESIZE);
- unsigned int socket = SOCKET_ID_ANY;
-
- if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
- const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
-
- socket = ctrl->socket;
- } else if (priv->verbs_alloc_ctx.type ==
- MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
- const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
-
- socket = ctrl->socket;
- }
- assert(data != NULL);
- ret = rte_malloc_socket(__func__, size, alignment, socket);
- if (!ret && size)
- rte_errno = ENOMEM;
- return ret;
-}
-
-/**
- * Verbs callback to free a memory.
- *
- * @param[in] ptr
- * A pointer to the memory to free.
- * @param[in] data
- * A pointer to the callback data.
- */
-static void
-mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
-{
- assert(data != NULL);
- rte_free(ptr);
-}
-
/**
* DPDK callback to add udp tunnel port
*
mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
struct rte_eth_udp_tunnel *udp_tunnel)
{
- assert(udp_tunnel != NULL);
+ MLX5_ASSERT(udp_tunnel != NULL);
if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
udp_tunnel->udp_port == 4789)
return 0;
*/
ppriv_size =
sizeof(struct mlx5_proc_priv) + priv->txqs_n * sizeof(void *);
- ppriv = rte_malloc_socket("mlx5_proc_priv", ppriv_size,
- RTE_CACHE_LINE_SIZE, dev->device->numa_node);
+ ppriv = mlx5_malloc(MLX5_MEM_RTE, ppriv_size, RTE_CACHE_LINE_SIZE,
+ dev->device->numa_node);
if (!ppriv) {
rte_errno = ENOMEM;
return -rte_errno;
{
if (!dev->process_private)
return;
- rte_free(dev->process_private);
+ mlx5_free(dev->process_private);
dev->process_private = NULL;
}
* @param dev
* Pointer to Ethernet device structure.
*/
-static void
+void
mlx5_dev_close(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
int ret;
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ /* Check if process_private released. */
+ if (!dev->process_private)
+ return;
+ mlx5_tx_uar_uninit_secondary(dev);
+ mlx5_proc_priv_uninit(dev);
+ rte_eth_dev_release_port(dev);
+ return;
+ }
+ if (!priv->sh)
+ return;
DRV_LOG(DEBUG, "port %u closing device \"%s\"",
dev->data->port_id,
- ((priv->sh->ctx != NULL) ? priv->sh->ctx->device->name : ""));
- /* In case mlx5_dev_stop() has not been called. */
- mlx5_dev_interrupt_handler_uninstall(dev);
- mlx5_dev_interrupt_handler_devx_uninstall(dev);
+ ((priv->sh->ctx != NULL) ?
+ mlx5_os_get_ctx_device_name(priv->sh->ctx) : ""));
+ /*
+ * If default mreg copy action is removed at the stop stage,
+ * the search will return none and nothing will be done anymore.
+ */
+ mlx5_flow_stop_default(dev);
mlx5_traffic_disable(dev);
- mlx5_flow_flush(dev, NULL);
+ /*
+ * If all the flows are already flushed in the device stop stage,
+ * then this will return directly without any action.
+ */
+ mlx5_flow_list_flush(dev, &priv->flows, true);
+ mlx5_flow_meter_flush(dev, NULL);
+ /* Free the intermediate buffers for flow creation. */
+ mlx5_flow_free_intermediate(dev);
/* Prevent crashes when queues are still in use. */
dev->rx_pkt_burst = removed_rx_burst;
dev->tx_pkt_burst = removed_tx_burst;
rte_wmb();
/* Disable datapath on secondary process. */
- mlx5_mp_req_stop_rxtx(dev);
+ mlx5_mp_os_req_stop_rxtx(dev);
+ /* Free the eCPRI flex parser resource. */
+ mlx5_flex_parser_ecpri_release(dev);
if (priv->rxqs != NULL) {
/* XXX race condition if mlx5_rx_burst() is still running. */
usleep(1000);
if (priv->mreg_cp_tbl)
mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
mlx5_mprq_free_mp(dev);
- mlx5_free_shared_dr(priv);
+ mlx5_os_free_shared_dr(priv);
if (priv->rss_conf.rss_key != NULL)
- rte_free(priv->rss_conf.rss_key);
+ mlx5_free(priv->rss_conf.rss_key);
if (priv->reta_idx != NULL)
- rte_free(priv->reta_idx);
+ mlx5_free(priv->reta_idx);
if (priv->config.vf)
- mlx5_nl_mac_addr_flush(dev);
+ mlx5_nl_mac_addr_flush(priv->nl_socket_route, mlx5_ifindex(dev),
+ dev->data->mac_addrs,
+ MLX5_MAX_MAC_ADDRESSES, priv->mac_own);
if (priv->nl_socket_route >= 0)
close(priv->nl_socket_route);
if (priv->nl_socket_rdma >= 0)
close(priv->nl_socket_rdma);
if (priv->vmwa_context)
mlx5_vlan_vmwa_exit(priv->vmwa_context);
- if (priv->sh) {
- /*
- * Free the shared context in last turn, because the cleanup
- * routines above may use some shared fields, like
- * mlx5_nl_mac_addr_flush() uses ibdev_path for retrieveing
- * ifindex if Netlink fails.
- */
- mlx5_free_shared_ibctx(priv->sh);
- priv->sh = NULL;
- }
ret = mlx5_hrxq_verify(dev);
if (ret)
DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
if (ret)
DRV_LOG(WARNING, "port %u some flows still remain",
dev->data->port_id);
+ /*
+ * Free the shared context in last turn, because the cleanup
+ * routines above may use some shared fields, like
+ * mlx5_nl_mac_addr_flush() uses ibdev_path for retrieveing
+ * ifindex if Netlink fails.
+ */
+ mlx5_free_shared_dev_ctx(priv->sh);
if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
unsigned int c = 0;
uint16_t port_id;
dev->data->mac_addrs = NULL;
}
-const struct eth_dev_ops mlx5_dev_ops = {
- .dev_configure = mlx5_dev_configure,
- .dev_start = mlx5_dev_start,
- .dev_stop = mlx5_dev_stop,
- .dev_set_link_down = mlx5_set_link_down,
- .dev_set_link_up = mlx5_set_link_up,
- .dev_close = mlx5_dev_close,
- .promiscuous_enable = mlx5_promiscuous_enable,
- .promiscuous_disable = mlx5_promiscuous_disable,
- .allmulticast_enable = mlx5_allmulticast_enable,
- .allmulticast_disable = mlx5_allmulticast_disable,
- .link_update = mlx5_link_update,
- .stats_get = mlx5_stats_get,
- .stats_reset = mlx5_stats_reset,
- .xstats_get = mlx5_xstats_get,
- .xstats_reset = mlx5_xstats_reset,
- .xstats_get_names = mlx5_xstats_get_names,
- .fw_version_get = mlx5_fw_version_get,
- .dev_infos_get = mlx5_dev_infos_get,
- .read_clock = mlx5_read_clock,
- .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
- .vlan_filter_set = mlx5_vlan_filter_set,
- .rx_queue_setup = mlx5_rx_queue_setup,
- .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
- .tx_queue_setup = mlx5_tx_queue_setup,
- .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
- .rx_queue_release = mlx5_rx_queue_release,
- .tx_queue_release = mlx5_tx_queue_release,
- .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
- .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
- .mac_addr_remove = mlx5_mac_addr_remove,
- .mac_addr_add = mlx5_mac_addr_add,
- .mac_addr_set = mlx5_mac_addr_set,
- .set_mc_addr_list = mlx5_set_mc_addr_list,
- .mtu_set = mlx5_dev_set_mtu,
- .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
- .vlan_offload_set = mlx5_vlan_offload_set,
- .reta_update = mlx5_dev_rss_reta_update,
- .reta_query = mlx5_dev_rss_reta_query,
- .rss_hash_update = mlx5_rss_hash_update,
- .rss_hash_conf_get = mlx5_rss_hash_conf_get,
- .filter_ctrl = mlx5_dev_filter_ctrl,
- .rx_descriptor_status = mlx5_rx_descriptor_status,
- .tx_descriptor_status = mlx5_tx_descriptor_status,
- .rx_queue_count = mlx5_rx_queue_count,
- .rx_queue_intr_enable = mlx5_rx_intr_enable,
- .rx_queue_intr_disable = mlx5_rx_intr_disable,
- .is_removed = mlx5_is_removed,
- .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
- .get_module_info = mlx5_get_module_info,
- .get_module_eeprom = mlx5_get_module_eeprom,
- .hairpin_cap_get = mlx5_hairpin_cap_get,
- .mtr_ops_get = mlx5_flow_meter_ops_get,
-};
-
-/* Available operations from secondary process. */
-static const struct eth_dev_ops mlx5_dev_sec_ops = {
- .stats_get = mlx5_stats_get,
- .stats_reset = mlx5_stats_reset,
- .xstats_get = mlx5_xstats_get,
- .xstats_reset = mlx5_xstats_reset,
- .xstats_get_names = mlx5_xstats_get_names,
- .fw_version_get = mlx5_fw_version_get,
- .dev_infos_get = mlx5_dev_infos_get,
- .rx_descriptor_status = mlx5_rx_descriptor_status,
- .tx_descriptor_status = mlx5_tx_descriptor_status,
- .get_module_info = mlx5_get_module_info,
- .get_module_eeprom = mlx5_get_module_eeprom,
-};
-
-/* Available operations in flow isolated mode. */
-const struct eth_dev_ops mlx5_dev_ops_isolate = {
- .dev_configure = mlx5_dev_configure,
- .dev_start = mlx5_dev_start,
- .dev_stop = mlx5_dev_stop,
- .dev_set_link_down = mlx5_set_link_down,
- .dev_set_link_up = mlx5_set_link_up,
- .dev_close = mlx5_dev_close,
- .promiscuous_enable = mlx5_promiscuous_enable,
- .promiscuous_disable = mlx5_promiscuous_disable,
- .allmulticast_enable = mlx5_allmulticast_enable,
- .allmulticast_disable = mlx5_allmulticast_disable,
- .link_update = mlx5_link_update,
- .stats_get = mlx5_stats_get,
- .stats_reset = mlx5_stats_reset,
- .xstats_get = mlx5_xstats_get,
- .xstats_reset = mlx5_xstats_reset,
- .xstats_get_names = mlx5_xstats_get_names,
- .fw_version_get = mlx5_fw_version_get,
- .dev_infos_get = mlx5_dev_infos_get,
- .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
- .vlan_filter_set = mlx5_vlan_filter_set,
- .rx_queue_setup = mlx5_rx_queue_setup,
- .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
- .tx_queue_setup = mlx5_tx_queue_setup,
- .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
- .rx_queue_release = mlx5_rx_queue_release,
- .tx_queue_release = mlx5_tx_queue_release,
- .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
- .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
- .mac_addr_remove = mlx5_mac_addr_remove,
- .mac_addr_add = mlx5_mac_addr_add,
- .mac_addr_set = mlx5_mac_addr_set,
- .set_mc_addr_list = mlx5_set_mc_addr_list,
- .mtu_set = mlx5_dev_set_mtu,
- .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
- .vlan_offload_set = mlx5_vlan_offload_set,
- .filter_ctrl = mlx5_dev_filter_ctrl,
- .rx_descriptor_status = mlx5_rx_descriptor_status,
- .tx_descriptor_status = mlx5_tx_descriptor_status,
- .rx_queue_intr_enable = mlx5_rx_intr_enable,
- .rx_queue_intr_disable = mlx5_rx_intr_disable,
- .is_removed = mlx5_is_removed,
- .get_module_info = mlx5_get_module_info,
- .get_module_eeprom = mlx5_get_module_eeprom,
- .hairpin_cap_get = mlx5_hairpin_cap_get,
- .mtr_ops_get = mlx5_flow_meter_ops_get,
-};
-
/**
* Verify and store value for device argument.
*
mlx5_args_check(const char *key, const char *val, void *opaque)
{
struct mlx5_dev_config *config = opaque;
- unsigned long tmp;
+ unsigned long mod;
+ signed long tmp;
/* No-op, port representors are processed in mlx5_dev_spawn(). */
if (!strcmp(MLX5_REPRESENTOR, key))
return 0;
errno = 0;
- tmp = strtoul(val, NULL, 0);
+ tmp = strtol(val, NULL, 0);
if (errno) {
rte_errno = errno;
DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
return -rte_errno;
}
+ if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) {
+ /* Negative values are acceptable for some keys only. */
+ rte_errno = EINVAL;
+ DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
+ return -rte_errno;
+ }
+ mod = tmp >= 0 ? tmp : -tmp;
if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
config->cqe_comp = !!tmp;
} else if (strcmp(MLX5_RXQ_CQE_PAD_EN, key) == 0) {
config->mprq.enabled = !!tmp;
} else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
config->mprq.stride_num_n = tmp;
+ } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) {
+ config->mprq.stride_size_n = tmp;
} else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) {
config->mprq.max_memcpy_len = tmp;
} else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) {
DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
config->mps = !!tmp;
+ } else if (strcmp(MLX5_TX_DB_NC, key) == 0) {
+ if (tmp != MLX5_TXDB_CACHED &&
+ tmp != MLX5_TXDB_NCACHED &&
+ tmp != MLX5_TXDB_HEURISTIC) {
+ DRV_LOG(ERR, "invalid Tx doorbell "
+ "mapping parameter");
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ config->dbnc = tmp;
} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
} else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
config->txq_inline_mpw = tmp;
} else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
+ } else if (strcmp(MLX5_TX_PP, key) == 0) {
+ if (!mod) {
+ DRV_LOG(ERR, "Zero Tx packet pacing parameter");
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ config->tx_pp = tmp;
+ } else if (strcmp(MLX5_TX_SKEW, key) == 0) {
+ config->tx_skew = tmp;
} else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
config->rx_vec_en = !!tmp;
} else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) {
if (tmp != MLX5_XMETA_MODE_LEGACY &&
tmp != MLX5_XMETA_MODE_META16 &&
tmp != MLX5_XMETA_MODE_META32) {
- DRV_LOG(WARNING, "invalid extensive "
- "metadata parameter");
+ DRV_LOG(ERR, "invalid extensive "
+ "metadata parameter");
rte_errno = EINVAL;
return -rte_errno;
}
config->dv_xmeta_en = tmp;
+ } else if (strcmp(MLX5_LACP_BY_USER, key) == 0) {
+ config->lacp_by_user = !!tmp;
} else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
config->mr_ext_memseg_en = !!tmp;
} else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
config->max_dump_files_num = tmp;
} else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
config->lro.timeout = tmp;
+ } else if (strcmp(MLX5_CLASS_ARG_NAME, key) == 0) {
+ DRV_LOG(DEBUG, "class argument is %s.", val);
+ } else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) {
+ config->log_hp_size = tmp;
+ } else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) {
+ if (tmp != MLX5_RCM_NONE &&
+ tmp != MLX5_RCM_LIGHT &&
+ tmp != MLX5_RCM_AGGR) {
+ DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val);
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ config->reclaim_mode = tmp;
+ } else if (strcmp(MLX5_SYS_MEM_EN, key) == 0) {
+ config->sys_mem_en = !!tmp;
+ } else if (strcmp(MLX5_DECAP_EN, key) == 0) {
+ config->decap_en = !!tmp;
} else {
DRV_LOG(WARNING, "%s: unknown parameter", key);
rte_errno = EINVAL;
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
-static int
+int
mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
{
const char **params = (const char *[]){
MLX5_RXQ_PKT_PAD_EN,
MLX5_RX_MPRQ_EN,
MLX5_RX_MPRQ_LOG_STRIDE_NUM,
+ MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
MLX5_RXQS_MIN_MPRQ,
MLX5_TXQ_INLINE,
MLX5_TXQ_MPW_EN,
MLX5_TXQ_MPW_HDR_DSEG_EN,
MLX5_TXQ_MAX_INLINE_LEN,
+ MLX5_TX_DB_NC,
+ MLX5_TX_PP,
+ MLX5_TX_SKEW,
MLX5_TX_VEC_EN,
MLX5_RX_VEC_EN,
MLX5_L3_VXLAN_EN,
MLX5_DV_ESW_EN,
MLX5_DV_FLOW_EN,
MLX5_DV_XMETA_EN,
+ MLX5_LACP_BY_USER,
MLX5_MR_EXT_MEMSEG_EN,
MLX5_REPRESENTOR,
MLX5_MAX_DUMP_FILES_NUM,
MLX5_LRO_TIMEOUT_USEC,
+ MLX5_CLASS_ARG_NAME,
+ MLX5_HP_BUF_SIZE,
+ MLX5_RECLAIM_MEM,
+ MLX5_SYS_MEM_EN,
+ MLX5_DECAP_EN,
NULL,
};
struct rte_kvargs *kvlist;
return 0;
}
-static struct rte_pci_driver mlx5_driver;
-
-/**
- * PMD global initialization.
- *
- * Independent from individual device, this function initializes global
- * per-PMD data structures distinguishing primary and secondary processes.
- * Hence, each initialization is called once per a process.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_init_once(void)
-{
- struct mlx5_shared_data *sd;
- struct mlx5_local_data *ld = &mlx5_local_data;
- int ret = 0;
-
- if (mlx5_init_shared_data())
- return -rte_errno;
- sd = mlx5_shared_data;
- assert(sd);
- rte_spinlock_lock(&sd->lock);
- switch (rte_eal_process_type()) {
- case RTE_PROC_PRIMARY:
- if (sd->init_done)
- break;
- LIST_INIT(&sd->mem_event_cb_list);
- rte_rwlock_init(&sd->mem_event_rwlock);
- rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
- mlx5_mr_mem_event_cb, NULL);
- ret = mlx5_mp_init_primary();
- if (ret)
- goto out;
- sd->init_done = true;
- break;
- case RTE_PROC_SECONDARY:
- if (ld->init_done)
- break;
- ret = mlx5_mp_init_secondary();
- if (ret)
- goto out;
- ++sd->secondary_cnt;
- ld->init_done = true;
- break;
- default:
- break;
- }
-out:
- rte_spinlock_unlock(&sd->lock);
- return ret;
-}
-
/**
* Configures the minimal amount of data to inline into WQE
* while sending packets.
* key is specified in devargs
* - if DevX is enabled the inline mode is queried from the
* device (HCA attributes and NIC vport context if needed).
- * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4LX
+ * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx
* and none (0 bytes) for other NICs
*
* @param spawn
* @param config
* Device configuration parameters.
*/
-static void
+void
mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
struct mlx5_dev_config *config)
{
* @param [in] dev
* Pointer to Ethernet device.
*/
-static void
+void
mlx5_set_metadata_mask(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
uint32_t meta, mark, reg_c0;
reg_c0 = ~priv->vport_meta_mask;
default:
meta = 0;
mark = 0;
- assert(false);
+ MLX5_ASSERT(false);
break;
}
if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask);
}
-/**
- * Allocate page of door-bells and register it using DevX API.
- *
- * @param [in] dev
- * Pointer to Ethernet device.
- *
- * @return
- * Pointer to new page on success, NULL otherwise.
- */
-static struct mlx5_devx_dbr_page *
-mlx5_alloc_dbr_page(struct rte_eth_dev *dev)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_devx_dbr_page *page;
-
- /* Allocate space for door-bell page and management data. */
- page = rte_calloc_socket(__func__, 1, sizeof(struct mlx5_devx_dbr_page),
- RTE_CACHE_LINE_SIZE, dev->device->numa_node);
- if (!page) {
- DRV_LOG(ERR, "port %u cannot allocate dbr page",
- dev->data->port_id);
- return NULL;
- }
- /* Register allocated memory. */
- page->umem = mlx5_glue->devx_umem_reg(priv->sh->ctx, page->dbrs,
- MLX5_DBR_PAGE_SIZE, 0);
- if (!page->umem) {
- DRV_LOG(ERR, "port %u cannot umem reg dbr page",
- dev->data->port_id);
- rte_free(page);
- return NULL;
- }
- return page;
-}
-
-/**
- * Find the next available door-bell, allocate new page if needed.
- *
- * @param [in] dev
- * Pointer to Ethernet device.
- * @param [out] dbr_page
- * Door-bell page containing the page data.
- *
- * @return
- * Door-bell address offset on success, a negative error value otherwise.
- */
-int64_t
-mlx5_get_dbr(struct rte_eth_dev *dev, struct mlx5_devx_dbr_page **dbr_page)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_devx_dbr_page *page = NULL;
- uint32_t i, j;
-
- LIST_FOREACH(page, &priv->dbrpgs, next)
- if (page->dbr_count < MLX5_DBR_PER_PAGE)
- break;
- if (!page) { /* No page with free door-bell exists. */
- page = mlx5_alloc_dbr_page(dev);
- if (!page) /* Failed to allocate new page. */
- return (-1);
- LIST_INSERT_HEAD(&priv->dbrpgs, page, next);
- }
- /* Loop to find bitmap part with clear bit. */
- for (i = 0;
- i < MLX5_DBR_BITMAP_SIZE && page->dbr_bitmap[i] == UINT64_MAX;
- i++)
- ; /* Empty. */
- /* Find the first clear bit. */
- j = rte_bsf64(~page->dbr_bitmap[i]);
- assert(i < (MLX5_DBR_PER_PAGE / 64));
- page->dbr_bitmap[i] |= (1 << j);
- page->dbr_count++;
- *dbr_page = page;
- return (((i * 64) + j) * sizeof(uint64_t));
-}
-
-/**
- * Release a door-bell record.
- *
- * @param [in] dev
- * Pointer to Ethernet device.
- * @param [in] umem_id
- * UMEM ID of page containing the door-bell record to release.
- * @param [in] offset
- * Offset of door-bell record in page.
- *
- * @return
- * 0 on success, a negative error value otherwise.
- */
-int32_t
-mlx5_release_dbr(struct rte_eth_dev *dev, uint32_t umem_id, uint64_t offset)
+int
+rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_devx_dbr_page *page = NULL;
- int ret = 0;
-
- LIST_FOREACH(page, &priv->dbrpgs, next)
- /* Find the page this address belongs to. */
- if (page->umem->umem_id == umem_id)
- break;
- if (!page)
- return -EINVAL;
- page->dbr_count--;
- if (!page->dbr_count) {
- /* Page not used, free it and remove from list. */
- LIST_REMOVE(page, next);
- if (page->umem)
- ret = -mlx5_glue->devx_umem_dereg(page->umem);
- rte_free(page);
- } else {
- /* Mark in bitmap that this door-bell is not in use. */
- offset /= MLX5_DBR_SIZE;
- int i = offset / 64;
- int j = offset % 64;
+ static const char *const dynf_names[] = {
+ RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
+ RTE_MBUF_DYNFLAG_METADATA_NAME,
+ RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME
+ };
+ unsigned int i;
- page->dbr_bitmap[i] &= ~(1 << j);
+ if (n < RTE_DIM(dynf_names))
+ return -ENOMEM;
+ for (i = 0; i < RTE_DIM(dynf_names); i++) {
+ if (names[i] == NULL)
+ return -EINVAL;
+ strcpy(names[i], dynf_names[i]);
}
- return ret;
+ return RTE_DIM(dynf_names);
}
/**
- * Check sibling device configurations.
+ * Comparison callback to sort device data.
*
- * Sibling devices sharing the Infiniband device context
- * should have compatible configurations. This regards
- * representors and bonding slaves.
+ * This is meant to be used with qsort().
*
- * @param priv
- * Private device descriptor.
- * @param config
- * Configuration of the device is going to be created.
+ * @param a[in]
+ * Pointer to pointer to first data object.
+ * @param b[in]
+ * Pointer to pointer to second data object.
*
* @return
- * 0 on success, EINVAL otherwise
+ * 0 if both objects are equal, less than 0 if the first argument is less
+ * than the second, greater than 0 otherwise.
*/
-static int
+int
mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
struct mlx5_dev_config *config)
{
- struct mlx5_ibv_shared *sh = priv->sh;
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_dev_config *sh_conf = NULL;
uint16_t port_id;
- assert(sh);
+ MLX5_ASSERT(sh);
/* Nothing to compare for the single/first device. */
if (sh->refcnt == 1)
return 0;
}
return 0;
}
+
/**
- * Spawn an Ethernet device from Verbs information.
+ * Look for the ethernet device belonging to mlx5 driver.
*
- * @param dpdk_dev
- * Backing DPDK device.
- * @param spawn
- * Verbs device parameters (name, port, switch_info) to spawn.
- * @param config
- * Device configuration parameters.
+ * @param[in] port_id
+ * port_id to start looking for device.
+ * @param[in] pci_dev
+ * Pointer to the hint PCI device. When device is being probed
+ * the its siblings (master and preceding representors might
+ * not have assigned driver yet (because the mlx5_os_pci_probe()
+ * is not completed yet, for this case match on hint PCI
+ * device may be used to detect sibling device.
*
* @return
- * A valid Ethernet device object on success, NULL otherwise and rte_errno
- * is set. The following errors are defined:
+ * port_id of found device, RTE_MAX_ETHPORT if not found.
+ */
+uint16_t
+mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev)
+{
+ while (port_id < RTE_MAX_ETHPORTS) {
+ struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+
+ if (dev->state != RTE_ETH_DEV_UNUSED &&
+ dev->device &&
+ (dev->device == &pci_dev->device ||
+ (dev->device->driver &&
+ dev->device->driver->name &&
+ !strcmp(dev->device->driver->name, MLX5_DRIVER_NAME))))
+ break;
+ port_id++;
+ }
+ if (port_id >= RTE_MAX_ETHPORTS)
+ return RTE_MAX_ETHPORTS;
+ return port_id;
+}
+
+/**
+ * DPDK callback to remove a PCI device.
+ *
+ * This function removes all Ethernet devices belong to a given PCI device.
+ *
+ * @param[in] pci_dev
+ * Pointer to the PCI device.
*
- * EBUSY: device is not supposed to be spawned.
- * EEXIST: device is already spawned
+ * @return
+ * 0 on success, the function cannot fail.
*/
-static struct rte_eth_dev *
-mlx5_dev_spawn(struct rte_device *dpdk_dev,
- struct mlx5_dev_spawn_data *spawn,
- struct mlx5_dev_config config)
+static int
+mlx5_pci_remove(struct rte_pci_device *pci_dev)
{
- const struct mlx5_switch_info *switch_info = &spawn->info;
- struct mlx5_ibv_shared *sh = NULL;
- struct ibv_port_attr port_attr;
- struct mlx5dv_context dv_attr = { .comp_mask = 0 };
- struct rte_eth_dev *eth_dev = NULL;
- struct mlx5_priv *priv = NULL;
- int err = 0;
- unsigned int hw_padding = 0;
- unsigned int mps;
- unsigned int cqe_comp;
- unsigned int cqe_pad = 0;
- unsigned int tunnel_en = 0;
- unsigned int mpls_en = 0;
- unsigned int swp = 0;
- unsigned int mprq = 0;
- unsigned int mprq_min_stride_size_n = 0;
- unsigned int mprq_max_stride_size_n = 0;
- unsigned int mprq_min_stride_num_n = 0;
- unsigned int mprq_max_stride_num_n = 0;
- struct rte_ether_addr mac;
- char name[RTE_ETH_NAME_MAX_LEN];
- int own_domain_id = 0;
uint16_t port_id;
- unsigned int i;
-#ifdef HAVE_MLX5DV_DR_DEVX_PORT
- struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
-#endif
-
- /* Determine if this port representor is supposed to be spawned. */
- if (switch_info->representor && dpdk_dev->devargs) {
- struct rte_eth_devargs eth_da;
- err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
- if (err) {
- rte_errno = -err;
- DRV_LOG(ERR, "failed to process device arguments: %s",
- strerror(rte_errno));
- return NULL;
- }
- for (i = 0; i < eth_da.nb_representor_ports; ++i)
- if (eth_da.representor_ports[i] ==
- (uint16_t)switch_info->port_name)
- break;
- if (i == eth_da.nb_representor_ports) {
- rte_errno = EBUSY;
- return NULL;
- }
- }
- /* Build device name. */
- if (spawn->pf_bond < 0) {
- /* Single device. */
- if (!switch_info->representor)
- strlcpy(name, dpdk_dev->name, sizeof(name));
- else
- snprintf(name, sizeof(name), "%s_representor_%u",
- dpdk_dev->name, switch_info->port_name);
- } else {
- /* Bonding device. */
- if (!switch_info->representor)
- snprintf(name, sizeof(name), "%s_%s",
- dpdk_dev->name, spawn->ibv_dev->name);
- else
- snprintf(name, sizeof(name), "%s_%s_representor_%u",
- dpdk_dev->name, spawn->ibv_dev->name,
- switch_info->port_name);
- }
- /* check if the device is already spawned */
- if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
- rte_errno = EEXIST;
- return NULL;
- }
- DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
- eth_dev = rte_eth_dev_attach_secondary(name);
- if (eth_dev == NULL) {
- DRV_LOG(ERR, "can not attach rte ethdev");
- rte_errno = ENOMEM;
- return NULL;
- }
- eth_dev->device = dpdk_dev;
- eth_dev->dev_ops = &mlx5_dev_sec_ops;
- err = mlx5_proc_priv_init(eth_dev);
- if (err)
- return NULL;
- /* Receive command fd from primary process */
- err = mlx5_mp_req_verbs_cmd_fd(eth_dev);
- if (err < 0)
- return NULL;
- /* Remap UAR for Tx queues. */
- err = mlx5_tx_uar_init_secondary(eth_dev, err);
- if (err)
- return NULL;
+ RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) {
/*
- * Ethdev pointer is still required as input since
- * the primary device is not accessible from the
- * secondary process.
+ * mlx5_dev_close() is not registered to secondary process,
+ * call the close function explicitly for secondary process.
*/
- eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
- eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
- return eth_dev;
- }
- sh = mlx5_alloc_shared_ibctx(spawn);
- if (!sh)
- return NULL;
- config.devx = sh->devx;
-#ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
- config.dest_tir = 1;
-#endif
-#ifdef HAVE_IBV_MLX5_MOD_SWP
- dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
-#endif
- /*
- * Multi-packet send is supported by ConnectX-4 Lx PF as well
- * as all ConnectX-5 devices.
- */
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
- dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
-#endif
-#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
- dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
-#endif
- mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
- if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
- if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
- DRV_LOG(DEBUG, "enhanced MPW is supported");
- mps = MLX5_MPW_ENHANCED;
- } else {
- DRV_LOG(DEBUG, "MPW is supported");
- mps = MLX5_MPW;
- }
- } else {
- DRV_LOG(DEBUG, "MPW isn't supported");
- mps = MLX5_MPW_DISABLED;
- }
-#ifdef HAVE_IBV_MLX5_MOD_SWP
- if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
- swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
- DRV_LOG(DEBUG, "SWP support: %u", swp);
-#endif
- config.swp = !!swp;
-#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
- if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
- struct mlx5dv_striding_rq_caps mprq_caps =
- dv_attr.striding_rq_caps;
-
- DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
- mprq_caps.min_single_stride_log_num_of_bytes);
- DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
- mprq_caps.max_single_stride_log_num_of_bytes);
- DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
- mprq_caps.min_single_wqe_log_num_of_strides);
- DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
- mprq_caps.max_single_wqe_log_num_of_strides);
- DRV_LOG(DEBUG, "\tsupported_qpts: %d",
- mprq_caps.supported_qpts);
- DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
- mprq = 1;
- mprq_min_stride_size_n =
- mprq_caps.min_single_stride_log_num_of_bytes;
- mprq_max_stride_size_n =
- mprq_caps.max_single_stride_log_num_of_bytes;
- mprq_min_stride_num_n =
- mprq_caps.min_single_wqe_log_num_of_strides;
- mprq_max_stride_num_n =
- mprq_caps.max_single_wqe_log_num_of_strides;
- config.mprq.stride_num_n = RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
- mprq_min_stride_num_n);
- }
-#endif
- if (RTE_CACHE_LINE_SIZE == 128 &&
- !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
- cqe_comp = 0;
- else
- cqe_comp = 1;
- config.cqe_comp = cqe_comp;
-#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
- /* Whether device supports 128B Rx CQE padding. */
- cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
- (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
-#endif
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
- if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
- tunnel_en = ((dv_attr.tunnel_offloads_caps &
- MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
- (dv_attr.tunnel_offloads_caps &
- MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE));
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+ mlx5_dev_close(&rte_eth_devices[port_id]);
+ else
+ rte_eth_dev_close(port_id);
}
- DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
- tunnel_en ? "" : "not ");
-#else
- DRV_LOG(WARNING,
- "tunnel offloading disabled due to old OFED/rdma-core version");
-#endif
- config.tunnel_en = tunnel_en;
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
- mpls_en = ((dv_attr.tunnel_offloads_caps &
- MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
- (dv_attr.tunnel_offloads_caps &
- MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
- DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
- mpls_en ? "" : "not ");
-#else
- DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
- " old OFED/rdma-core version or firmware configuration");
-#endif
- config.mpls_en = mpls_en;
- /* Check port status. */
- err = mlx5_glue->query_port(sh->ctx, spawn->ibv_port, &port_attr);
- if (err) {
- DRV_LOG(ERR, "port query failed: %s", strerror(err));
- goto error;
- }
- if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
- DRV_LOG(ERR, "port is not configured in Ethernet mode");
- err = EINVAL;
- goto error;
- }
- if (port_attr.state != IBV_PORT_ACTIVE)
- DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
- mlx5_glue->port_state_str(port_attr.state),
- port_attr.state);
- /* Allocate private eth device data. */
- priv = rte_zmalloc("ethdev private structure",
- sizeof(*priv),
- RTE_CACHE_LINE_SIZE);
- if (priv == NULL) {
- DRV_LOG(ERR, "priv allocation failure");
- err = ENOMEM;
- goto error;
- }
- priv->sh = sh;
- priv->ibv_port = spawn->ibv_port;
- priv->pci_dev = spawn->pci_dev;
- priv->mtu = RTE_ETHER_MTU;
-#ifndef RTE_ARCH_64
- /* Initialize UAR access locks for 32bit implementations. */
- rte_spinlock_init(&priv->uar_lock_cq);
- for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
- rte_spinlock_init(&priv->uar_lock[i]);
-#endif
- /* Some internal functions rely on Netlink sockets, open them now. */
- priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
- priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
- priv->nl_sn = 0;
- priv->representor = !!switch_info->representor;
- priv->master = !!switch_info->master;
- priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
- priv->vport_meta_tag = 0;
- priv->vport_meta_mask = 0;
- priv->pf_bond = spawn->pf_bond;
-#ifdef HAVE_MLX5DV_DR_DEVX_PORT
- /*
- * The DevX port query API is implemented. E-Switch may use
- * either vport or reg_c[0] metadata register to match on
- * vport index. The engaged part of metadata register is
- * defined by mask.
- */
- if (switch_info->representor || switch_info->master) {
- devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
- MLX5DV_DEVX_PORT_MATCH_REG_C_0;
- err = mlx5_glue->devx_port_query(sh->ctx, spawn->ibv_port,
- &devx_port);
- if (err) {
- DRV_LOG(WARNING,
- "can't query devx port %d on device %s",
- spawn->ibv_port, spawn->ibv_dev->name);
- devx_port.comp_mask = 0;
- }
- }
- if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
- priv->vport_meta_tag = devx_port.reg_c_0.value;
- priv->vport_meta_mask = devx_port.reg_c_0.mask;
- if (!priv->vport_meta_mask) {
- DRV_LOG(ERR, "vport zero mask for port %d"
- " on bonding device %s",
- spawn->ibv_port, spawn->ibv_dev->name);
- err = ENOTSUP;
- goto error;
- }
- if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
- DRV_LOG(ERR, "invalid vport tag for port %d"
- " on bonding device %s",
- spawn->ibv_port, spawn->ibv_dev->name);
- err = ENOTSUP;
- goto error;
- }
- } else if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
- priv->vport_id = devx_port.vport_num;
- } else if (spawn->pf_bond >= 0) {
- DRV_LOG(ERR, "can't deduce vport index for port %d"
- " on bonding device %s",
- spawn->ibv_port, spawn->ibv_dev->name);
- err = ENOTSUP;
- goto error;
- } else {
- /* Suppose vport index in compatible way. */
- priv->vport_id = switch_info->representor ?
- switch_info->port_name + 1 : -1;
- }
-#else
- /*
- * Kernel/rdma_core support single E-Switch per PF configurations
- * only and vport_id field contains the vport index for
- * associated VF, which is deduced from representor port name.
- * For example, let's have the IB device port 10, it has
- * attached network device eth0, which has port name attribute
- * pf0vf2, we can deduce the VF number as 2, and set vport index
- * as 3 (2+1). This assigning schema should be changed if the
- * multiple E-Switch instances per PF configurations or/and PCI
- * subfunctions are added.
- */
- priv->vport_id = switch_info->representor ?
- switch_info->port_name + 1 : -1;
-#endif
- /* representor_id field keeps the unmodified VF index. */
- priv->representor_id = switch_info->representor ?
- switch_info->port_name : -1;
- /*
- * Look for sibling devices in order to reuse their switch domain
- * if any, otherwise allocate one.
- */
- MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
- const struct mlx5_priv *opriv =
- rte_eth_devices[port_id].data->dev_private;
-
- if (!opriv ||
- opriv->sh != priv->sh ||
- opriv->domain_id ==
- RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
- continue;
- priv->domain_id = opriv->domain_id;
- break;
- }
- if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
- err = rte_eth_switch_domain_alloc(&priv->domain_id);
- if (err) {
- err = rte_errno;
- DRV_LOG(ERR, "unable to allocate switch domain: %s",
- strerror(rte_errno));
- goto error;
- }
- own_domain_id = 1;
- }
- err = mlx5_args(&config, dpdk_dev->devargs);
- if (err) {
- err = rte_errno;
- DRV_LOG(ERR, "failed to process device arguments: %s",
- strerror(rte_errno));
- goto error;
- }
- err = mlx5_dev_check_sibling_config(priv, &config);
- if (err)
- goto error;
- config.hw_csum = !!(sh->device_attr.device_cap_flags_ex &
- IBV_DEVICE_RAW_IP_CSUM);
- DRV_LOG(DEBUG, "checksum offloading is %ssupported",
- (config.hw_csum ? "" : "not "));
-#if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
- !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
- DRV_LOG(DEBUG, "counters are not supported");
-#endif
-#ifndef HAVE_IBV_FLOW_DV_SUPPORT
- if (config.dv_flow_en) {
- DRV_LOG(WARNING, "DV flow is not supported");
- config.dv_flow_en = 0;
- }
-#endif
- config.ind_table_max_size =
- sh->device_attr.rss_caps.max_rwq_indirection_table_size;
- /*
- * Remove this check once DPDK supports larger/variable
- * indirection tables.
- */
- if (config.ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
- config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
- DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
- config.ind_table_max_size);
- config.hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
- IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
- DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
- (config.hw_vlan_strip ? "" : "not "));
- config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
- IBV_RAW_PACKET_CAP_SCATTER_FCS);
- DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
- (config.hw_fcs_strip ? "" : "not "));
-#if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
- hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
-#elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
- hw_padding = !!(sh->device_attr.device_cap_flags_ex &
- IBV_DEVICE_PCI_WRITE_END_PADDING);
-#endif
- if (config.hw_padding && !hw_padding) {
- DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
- config.hw_padding = 0;
- } else if (config.hw_padding) {
- DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
- }
- config.tso = (sh->device_attr.tso_caps.max_tso > 0 &&
- (sh->device_attr.tso_caps.supported_qpts &
- (1 << IBV_QPT_RAW_PACKET)));
- if (config.tso)
- config.tso_max_payload_sz = sh->device_attr.tso_caps.max_tso;
- /*
- * MPW is disabled by default, while the Enhanced MPW is enabled
- * by default.
- */
- if (config.mps == MLX5_ARG_UNSET)
- config.mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
- MLX5_MPW_DISABLED;
- else
- config.mps = config.mps ? mps : MLX5_MPW_DISABLED;
- DRV_LOG(INFO, "%sMPS is %s",
- config.mps == MLX5_MPW_ENHANCED ? "enhanced " : "",
- config.mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
- if (config.cqe_comp && !cqe_comp) {
- DRV_LOG(WARNING, "Rx CQE compression isn't supported");
- config.cqe_comp = 0;
- }
- if (config.cqe_pad && !cqe_pad) {
- DRV_LOG(WARNING, "Rx CQE padding isn't supported");
- config.cqe_pad = 0;
- } else if (config.cqe_pad) {
- DRV_LOG(INFO, "Rx CQE padding is enabled");
- }
- if (config.devx) {
- priv->counter_fallback = 0;
- err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config.hca_attr);
- if (err) {
- err = -err;
- goto error;
- }
- if (!config.hca_attr.flow_counters_dump)
- priv->counter_fallback = 1;
-#ifndef HAVE_IBV_DEVX_ASYNC
- priv->counter_fallback = 1;
-#endif
- if (priv->counter_fallback)
- DRV_LOG(INFO, "Use fall-back DV counter management");
- /* Check for LRO support. */
- if (config.dest_tir && config.hca_attr.lro_cap &&
- config.dv_flow_en) {
- /* TBD check tunnel lro caps. */
- config.lro.supported = config.hca_attr.lro_cap;
- DRV_LOG(DEBUG, "Device supports LRO");
- /*
- * If LRO timeout is not configured by application,
- * use the minimal supported value.
- */
- if (!config.lro.timeout)
- config.lro.timeout =
- config.hca_attr.lro_timer_supported_periods[0];
- DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
- config.lro.timeout);
- }
-#if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
- if (config.hca_attr.qos.sup && config.hca_attr.qos.srtcm_sup &&
- config.dv_flow_en) {
- uint8_t reg_c_mask =
- config.hca_attr.qos.flow_meter_reg_c_ids;
- /*
- * Meter needs two REG_C's for color match and pre-sfx
- * flow match. Here get the REG_C for color match.
- * REG_C_0 and REG_C_1 is reserved for metadata feature.
- */
- reg_c_mask &= 0xfc;
- if (__builtin_popcount(reg_c_mask) < 1) {
- priv->mtr_en = 0;
- DRV_LOG(WARNING, "No available register for"
- " meter.");
- } else {
- priv->mtr_color_reg = ffs(reg_c_mask) - 1 +
- REG_C_0;
- priv->mtr_en = 1;
- DRV_LOG(DEBUG, "The REG_C meter uses is %d",
- priv->mtr_color_reg);
- }
- }
-#endif
- }
- if (config.mprq.enabled && mprq) {
- if (config.mprq.stride_num_n > mprq_max_stride_num_n ||
- config.mprq.stride_num_n < mprq_min_stride_num_n) {
- config.mprq.stride_num_n =
- RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
- mprq_min_stride_num_n);
- DRV_LOG(WARNING,
- "the number of strides"
- " for Multi-Packet RQ is out of range,"
- " setting default value (%u)",
- 1 << config.mprq.stride_num_n);
- }
- config.mprq.min_stride_size_n = mprq_min_stride_size_n;
- config.mprq.max_stride_size_n = mprq_max_stride_size_n;
- } else if (config.mprq.enabled && !mprq) {
- DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
- config.mprq.enabled = 0;
- }
- if (config.max_dump_files_num == 0)
- config.max_dump_files_num = 128;
- eth_dev = rte_eth_dev_allocate(name);
- if (eth_dev == NULL) {
- DRV_LOG(ERR, "can not allocate rte ethdev");
- err = ENOMEM;
- goto error;
- }
- /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
- eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
- if (priv->representor) {
- eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
- eth_dev->data->representor_id = priv->representor_id;
- }
- /*
- * Store associated network device interface index. This index
- * is permanent throughout the lifetime of device. So, we may store
- * the ifindex here and use the cached value further.
- */
- assert(spawn->ifindex);
- priv->if_index = spawn->ifindex;
- eth_dev->data->dev_private = priv;
- priv->dev_data = eth_dev->data;
- eth_dev->data->mac_addrs = priv->mac;
- eth_dev->device = dpdk_dev;
- /* Configure the first MAC address by default. */
- if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
- DRV_LOG(ERR,
- "port %u cannot get MAC address, is mlx5_en"
- " loaded? (errno: %s)",
- eth_dev->data->port_id, strerror(rte_errno));
- err = ENODEV;
- goto error;
- }
- DRV_LOG(INFO,
- "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
- eth_dev->data->port_id,
- mac.addr_bytes[0], mac.addr_bytes[1],
- mac.addr_bytes[2], mac.addr_bytes[3],
- mac.addr_bytes[4], mac.addr_bytes[5]);
-#ifndef NDEBUG
- {
- char ifname[IF_NAMESIZE];
-
- if (mlx5_get_ifname(eth_dev, &ifname) == 0)
- DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
- eth_dev->data->port_id, ifname);
- else
- DRV_LOG(DEBUG, "port %u ifname is unknown",
- eth_dev->data->port_id);
- }
-#endif
- /* Get actual MTU if possible. */
- err = mlx5_get_mtu(eth_dev, &priv->mtu);
- if (err) {
- err = rte_errno;
- goto error;
- }
- DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
- priv->mtu);
- /* Initialize burst functions to prevent crashes before link-up. */
- eth_dev->rx_pkt_burst = removed_rx_burst;
- eth_dev->tx_pkt_burst = removed_tx_burst;
- eth_dev->dev_ops = &mlx5_dev_ops;
- /* Register MAC address. */
- claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
- if (config.vf && config.vf_nl_en)
- mlx5_nl_mac_addr_sync(eth_dev);
- TAILQ_INIT(&priv->flows);
- TAILQ_INIT(&priv->ctrl_flows);
- TAILQ_INIT(&priv->flow_meter_profiles);
- /* Hint libmlx5 to use PMD allocator for data plane resources */
- struct mlx5dv_ctx_allocators alctr = {
- .alloc = &mlx5_alloc_verbs_buf,
- .free = &mlx5_free_verbs_buf,
- .data = priv,
- };
- mlx5_glue->dv_set_context_attr(sh->ctx,
- MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
- (void *)((uintptr_t)&alctr));
- /* Bring Ethernet device up. */
- DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
- eth_dev->data->port_id);
- mlx5_set_link_up(eth_dev);
- /*
- * Even though the interrupt handler is not installed yet,
- * interrupts will still trigger on the async_fd from
- * Verbs context returned by ibv_open_device().
- */
- mlx5_link_update(eth_dev, 0);
-#ifdef HAVE_MLX5DV_DR_ESWITCH
- if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
- (switch_info->representor || switch_info->master)))
- config.dv_esw_en = 0;
-#else
- config.dv_esw_en = 0;
-#endif
- /* Detect minimal data bytes to inline. */
- mlx5_set_min_inline(spawn, &config);
- /* Store device configuration on private structure. */
- priv->config = config;
- /* Create context for virtual machine VLAN workaround. */
- priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
- if (config.dv_flow_en) {
- err = mlx5_alloc_shared_dr(priv);
- if (err)
- goto error;
- priv->qrss_id_pool = mlx5_flow_id_pool_alloc();
- if (!priv->qrss_id_pool) {
- DRV_LOG(ERR, "can't create flow id pool");
- err = ENOMEM;
- goto error;
- }
- }
- /* Supported Verbs flow priority number detection. */
- err = mlx5_flow_discover_priorities(eth_dev);
- if (err < 0) {
- err = -err;
- goto error;
- }
- priv->config.flow_prio = err;
- if (!priv->config.dv_esw_en &&
- priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
- DRV_LOG(WARNING, "metadata mode %u is not supported "
- "(no E-Switch)", priv->config.dv_xmeta_en);
- priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
- }
- mlx5_set_metadata_mask(eth_dev);
- if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
- !priv->sh->dv_regc0_mask) {
- DRV_LOG(ERR, "metadata mode %u is not supported "
- "(no metadata reg_c[0] is available)",
- priv->config.dv_xmeta_en);
- err = ENOTSUP;
- goto error;
- }
- /* Query availibility of metadata reg_c's. */
- err = mlx5_flow_discover_mreg_c(eth_dev);
- if (err < 0) {
- err = -err;
- goto error;
- }
- if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
- DRV_LOG(DEBUG,
- "port %u extensive metadata register is not supported",
- eth_dev->data->port_id);
- if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
- DRV_LOG(ERR, "metadata mode %u is not supported "
- "(no metadata registers available)",
- priv->config.dv_xmeta_en);
- err = ENOTSUP;
- goto error;
- }
- }
- if (priv->config.dv_flow_en &&
- priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
- mlx5_flow_ext_mreg_supported(eth_dev) &&
- priv->sh->dv_regc0_mask) {
- priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
- MLX5_FLOW_MREG_HTABLE_SZ);
- if (!priv->mreg_cp_tbl) {
- err = ENOMEM;
- goto error;
- }
- }
- return eth_dev;
-error:
- if (priv) {
- if (priv->mreg_cp_tbl)
- mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
- if (priv->sh)
- mlx5_free_shared_dr(priv);
- if (priv->nl_socket_route >= 0)
- close(priv->nl_socket_route);
- if (priv->nl_socket_rdma >= 0)
- close(priv->nl_socket_rdma);
- if (priv->vmwa_context)
- mlx5_vlan_vmwa_exit(priv->vmwa_context);
- if (priv->qrss_id_pool)
- mlx5_flow_id_pool_release(priv->qrss_id_pool);
- if (own_domain_id)
- claim_zero(rte_eth_switch_domain_free(priv->domain_id));
- rte_free(priv);
- if (eth_dev != NULL)
- eth_dev->data->dev_private = NULL;
- }
- if (eth_dev != NULL) {
- /* mac_addrs must not be freed alone because part of dev_private */
- eth_dev->data->mac_addrs = NULL;
- rte_eth_dev_release_port(eth_dev);
- }
- if (sh)
- mlx5_free_shared_ibctx(sh);
- assert(err > 0);
- rte_errno = err;
- return NULL;
-}
-
-/**
- * Comparison callback to sort device data.
- *
- * This is meant to be used with qsort().
- *
- * @param a[in]
- * Pointer to pointer to first data object.
- * @param b[in]
- * Pointer to pointer to second data object.
- *
- * @return
- * 0 if both objects are equal, less than 0 if the first argument is less
- * than the second, greater than 0 otherwise.
- */
-static int
-mlx5_dev_spawn_data_cmp(const void *a, const void *b)
-{
- const struct mlx5_switch_info *si_a =
- &((const struct mlx5_dev_spawn_data *)a)->info;
- const struct mlx5_switch_info *si_b =
- &((const struct mlx5_dev_spawn_data *)b)->info;
- int ret;
-
- /* Master device first. */
- ret = si_b->master - si_a->master;
- if (ret)
- return ret;
- /* Then representor devices. */
- ret = si_b->representor - si_a->representor;
- if (ret)
- return ret;
- /* Unidentified devices come last in no specific order. */
- if (!si_a->representor)
- return 0;
- /* Order representors by name. */
- return si_a->port_name - si_b->port_name;
-}
-
-/**
- * Match PCI information for possible slaves of bonding device.
- *
- * @param[in] ibv_dev
- * Pointer to Infiniband device structure.
- * @param[in] pci_dev
- * Pointer to PCI device structure to match PCI address.
- * @param[in] nl_rdma
- * Netlink RDMA group socket handle.
- *
- * @return
- * negative value if no bonding device found, otherwise
- * positive index of slave PF in bonding.
- */
-static int
-mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
- const struct rte_pci_device *pci_dev,
- int nl_rdma)
-{
- char ifname[IF_NAMESIZE + 1];
- unsigned int ifindex;
- unsigned int np, i;
- FILE *file = NULL;
- int pf = -1;
-
- /*
- * Try to get master device name. If something goes
- * wrong suppose the lack of kernel support and no
- * bonding devices.
- */
- if (nl_rdma < 0)
- return -1;
- if (!strstr(ibv_dev->name, "bond"))
- return -1;
- np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
- if (!np)
- return -1;
- /*
- * The Master device might not be on the predefined
- * port (not on port index 1, it is not garanted),
- * we have to scan all Infiniband device port and
- * find master.
- */
- for (i = 1; i <= np; ++i) {
- /* Check whether Infiniband port is populated. */
- ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
- if (!ifindex)
- continue;
- if (!if_indextoname(ifindex, ifname))
- continue;
- /* Try to read bonding slave names from sysfs. */
- MKSTR(slaves,
- "/sys/class/net/%s/master/bonding/slaves", ifname);
- file = fopen(slaves, "r");
- if (file)
- break;
- }
- if (!file)
- return -1;
- /* Use safe format to check maximal buffer length. */
- assert(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
- while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
- char tmp_str[IF_NAMESIZE + 32];
- struct rte_pci_addr pci_addr;
- struct mlx5_switch_info info;
-
- /* Process slave interface names in the loop. */
- snprintf(tmp_str, sizeof(tmp_str),
- "/sys/class/net/%s", ifname);
- if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
- DRV_LOG(WARNING, "can not get PCI address"
- " for netdev \"%s\"", ifname);
- continue;
- }
- if (pci_dev->addr.domain != pci_addr.domain ||
- pci_dev->addr.bus != pci_addr.bus ||
- pci_dev->addr.devid != pci_addr.devid ||
- pci_dev->addr.function != pci_addr.function)
- continue;
- /* Slave interface PCI address match found. */
- fclose(file);
- snprintf(tmp_str, sizeof(tmp_str),
- "/sys/class/net/%s/phys_port_name", ifname);
- file = fopen(tmp_str, "rb");
- if (!file)
- break;
- info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
- if (fscanf(file, "%32s", tmp_str) == 1)
- mlx5_translate_port_name(tmp_str, &info);
- if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
- info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
- pf = info.port_name;
- break;
- }
- if (file)
- fclose(file);
- return pf;
-}
-
-/**
- * DPDK callback to register a PCI device.
- *
- * This function spawns Ethernet devices out of a given PCI device.
- *
- * @param[in] pci_drv
- * PCI driver structure (mlx5_driver).
- * @param[in] pci_dev
- * PCI device information.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
- struct rte_pci_device *pci_dev)
-{
- struct ibv_device **ibv_list;
- /*
- * Number of found IB Devices matching with requested PCI BDF.
- * nd != 1 means there are multiple IB devices over the same
- * PCI device and we have representors and master.
- */
- unsigned int nd = 0;
- /*
- * Number of found IB device Ports. nd = 1 and np = 1..n means
- * we have the single multiport IB device, and there may be
- * representors attached to some of found ports.
- */
- unsigned int np = 0;
- /*
- * Number of DPDK ethernet devices to Spawn - either over
- * multiple IB devices or multiple ports of single IB device.
- * Actually this is the number of iterations to spawn.
- */
- unsigned int ns = 0;
- /*
- * Bonding device
- * < 0 - no bonding device (single one)
- * >= 0 - bonding device (value is slave PF index)
- */
- int bd = -1;
- struct mlx5_dev_spawn_data *list = NULL;
- struct mlx5_dev_config dev_config;
- int ret;
-
- ret = mlx5_init_once();
- if (ret) {
- DRV_LOG(ERR, "unable to init PMD global data: %s",
- strerror(rte_errno));
- return -rte_errno;
- }
- assert(pci_drv == &mlx5_driver);
- errno = 0;
- ibv_list = mlx5_glue->get_device_list(&ret);
- if (!ibv_list) {
- rte_errno = errno ? errno : ENOSYS;
- DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
- return -rte_errno;
- }
- /*
- * First scan the list of all Infiniband devices to find
- * matching ones, gathering into the list.
- */
- struct ibv_device *ibv_match[ret + 1];
- int nl_route = mlx5_nl_init(NETLINK_ROUTE);
- int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
- unsigned int i;
-
- while (ret-- > 0) {
- struct rte_pci_addr pci_addr;
-
- DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
- bd = mlx5_device_bond_pci_match
- (ibv_list[ret], pci_dev, nl_rdma);
- if (bd >= 0) {
- /*
- * Bonding device detected. Only one match is allowed,
- * the bonding is supported over multi-port IB device,
- * there should be no matches on representor PCI
- * functions or non VF LAG bonding devices with
- * specified address.
- */
- if (nd) {
- DRV_LOG(ERR,
- "multiple PCI match on bonding device"
- "\"%s\" found", ibv_list[ret]->name);
- rte_errno = ENOENT;
- ret = -rte_errno;
- goto exit;
- }
- DRV_LOG(INFO, "PCI information matches for"
- " slave %d bonding device \"%s\"",
- bd, ibv_list[ret]->name);
- ibv_match[nd++] = ibv_list[ret];
- break;
- }
- if (mlx5_dev_to_pci_addr
- (ibv_list[ret]->ibdev_path, &pci_addr))
- continue;
- if (pci_dev->addr.domain != pci_addr.domain ||
- pci_dev->addr.bus != pci_addr.bus ||
- pci_dev->addr.devid != pci_addr.devid ||
- pci_dev->addr.function != pci_addr.function)
- continue;
- DRV_LOG(INFO, "PCI information matches for device \"%s\"",
- ibv_list[ret]->name);
- ibv_match[nd++] = ibv_list[ret];
- }
- ibv_match[nd] = NULL;
- if (!nd) {
- /* No device matches, just complain and bail out. */
- DRV_LOG(WARNING,
- "no Verbs device matches PCI device " PCI_PRI_FMT ","
- " are kernel drivers loaded?",
- pci_dev->addr.domain, pci_dev->addr.bus,
- pci_dev->addr.devid, pci_dev->addr.function);
- rte_errno = ENOENT;
- ret = -rte_errno;
- goto exit;
- }
- if (nd == 1) {
- /*
- * Found single matching device may have multiple ports.
- * Each port may be representor, we have to check the port
- * number and check the representors existence.
- */
- if (nl_rdma >= 0)
- np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
- if (!np)
- DRV_LOG(WARNING, "can not get IB device \"%s\""
- " ports number", ibv_match[0]->name);
- if (bd >= 0 && !np) {
- DRV_LOG(ERR, "can not get ports"
- " for bonding device");
- rte_errno = ENOENT;
- ret = -rte_errno;
- goto exit;
- }
- }
-#ifndef HAVE_MLX5DV_DR_DEVX_PORT
- if (bd >= 0) {
- /*
- * This may happen if there is VF LAG kernel support and
- * application is compiled with older rdma_core library.
- */
- DRV_LOG(ERR,
- "No kernel/verbs support for VF LAG bonding found.");
- rte_errno = ENOTSUP;
- ret = -rte_errno;
- goto exit;
- }
-#endif
- /*
- * Now we can determine the maximal
- * amount of devices to be spawned.
- */
- list = rte_zmalloc("device spawn data",
- sizeof(struct mlx5_dev_spawn_data) *
- (np ? np : nd),
- RTE_CACHE_LINE_SIZE);
- if (!list) {
- DRV_LOG(ERR, "spawn data array allocation failure");
- rte_errno = ENOMEM;
- ret = -rte_errno;
- goto exit;
- }
- if (bd >= 0 || np > 1) {
- /*
- * Single IB device with multiple ports found,
- * it may be E-Switch master device and representors.
- * We have to perform identification trough the ports.
- */
- assert(nl_rdma >= 0);
- assert(ns == 0);
- assert(nd == 1);
- assert(np);
- for (i = 1; i <= np; ++i) {
- list[ns].max_port = np;
- list[ns].ibv_port = i;
- list[ns].ibv_dev = ibv_match[0];
- list[ns].eth_dev = NULL;
- list[ns].pci_dev = pci_dev;
- list[ns].pf_bond = bd;
- list[ns].ifindex = mlx5_nl_ifindex
- (nl_rdma, list[ns].ibv_dev->name, i);
- if (!list[ns].ifindex) {
- /*
- * No network interface index found for the
- * specified port, it means there is no
- * representor on this port. It's OK,
- * there can be disabled ports, for example
- * if sriov_numvfs < sriov_totalvfs.
- */
- continue;
- }
- ret = -1;
- if (nl_route >= 0)
- ret = mlx5_nl_switch_info
- (nl_route,
- list[ns].ifindex,
- &list[ns].info);
- if (ret || (!list[ns].info.representor &&
- !list[ns].info.master)) {
- /*
- * We failed to recognize representors with
- * Netlink, let's try to perform the task
- * with sysfs.
- */
- ret = mlx5_sysfs_switch_info
- (list[ns].ifindex,
- &list[ns].info);
- }
- if (!ret && bd >= 0) {
- switch (list[ns].info.name_type) {
- case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
- if (list[ns].info.port_name == bd)
- ns++;
- break;
- case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
- if (list[ns].info.pf_num == bd)
- ns++;
- break;
- default:
- break;
- }
- continue;
- }
- if (!ret && (list[ns].info.representor ^
- list[ns].info.master))
- ns++;
- }
- if (!ns) {
- DRV_LOG(ERR,
- "unable to recognize master/representors"
- " on the IB device with multiple ports");
- rte_errno = ENOENT;
- ret = -rte_errno;
- goto exit;
- }
- } else {
- /*
- * The existence of several matching entries (nd > 1) means
- * port representors have been instantiated. No existing Verbs
- * call nor sysfs entries can tell them apart, this can only
- * be done through Netlink calls assuming kernel drivers are
- * recent enough to support them.
- *
- * In the event of identification failure through Netlink,
- * try again through sysfs, then:
- *
- * 1. A single IB device matches (nd == 1) with single
- * port (np=0/1) and is not a representor, assume
- * no switch support.
- *
- * 2. Otherwise no safe assumptions can be made;
- * complain louder and bail out.
- */
- np = 1;
- for (i = 0; i != nd; ++i) {
- memset(&list[ns].info, 0, sizeof(list[ns].info));
- list[ns].max_port = 1;
- list[ns].ibv_port = 1;
- list[ns].ibv_dev = ibv_match[i];
- list[ns].eth_dev = NULL;
- list[ns].pci_dev = pci_dev;
- list[ns].pf_bond = -1;
- list[ns].ifindex = 0;
- if (nl_rdma >= 0)
- list[ns].ifindex = mlx5_nl_ifindex
- (nl_rdma, list[ns].ibv_dev->name, 1);
- if (!list[ns].ifindex) {
- char ifname[IF_NAMESIZE];
-
- /*
- * Netlink failed, it may happen with old
- * ib_core kernel driver (before 4.16).
- * We can assume there is old driver because
- * here we are processing single ports IB
- * devices. Let's try sysfs to retrieve
- * the ifindex. The method works for
- * master device only.
- */
- if (nd > 1) {
- /*
- * Multiple devices found, assume
- * representors, can not distinguish
- * master/representor and retrieve
- * ifindex via sysfs.
- */
- continue;
- }
- ret = mlx5_get_master_ifname
- (ibv_match[i]->ibdev_path, &ifname);
- if (!ret)
- list[ns].ifindex =
- if_nametoindex(ifname);
- if (!list[ns].ifindex) {
- /*
- * No network interface index found
- * for the specified device, it means
- * there it is neither representor
- * nor master.
- */
- continue;
- }
- }
- ret = -1;
- if (nl_route >= 0)
- ret = mlx5_nl_switch_info
- (nl_route,
- list[ns].ifindex,
- &list[ns].info);
- if (ret || (!list[ns].info.representor &&
- !list[ns].info.master)) {
- /*
- * We failed to recognize representors with
- * Netlink, let's try to perform the task
- * with sysfs.
- */
- ret = mlx5_sysfs_switch_info
- (list[ns].ifindex,
- &list[ns].info);
- }
- if (!ret && (list[ns].info.representor ^
- list[ns].info.master)) {
- ns++;
- } else if ((nd == 1) &&
- !list[ns].info.representor &&
- !list[ns].info.master) {
- /*
- * Single IB device with
- * one physical port and
- * attached network device.
- * May be SRIOV is not enabled
- * or there is no representors.
- */
- DRV_LOG(INFO, "no E-Switch support detected");
- ns++;
- break;
- }
- }
- if (!ns) {
- DRV_LOG(ERR,
- "unable to recognize master/representors"
- " on the multiple IB devices");
- rte_errno = ENOENT;
- ret = -rte_errno;
- goto exit;
- }
- }
- assert(ns);
- /*
- * Sort list to probe devices in natural order for users convenience
- * (i.e. master first, then representors from lowest to highest ID).
- */
- qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
- /* Default configuration. */
- dev_config = (struct mlx5_dev_config){
- .hw_padding = 0,
- .mps = MLX5_ARG_UNSET,
- .rx_vec_en = 1,
- .txq_inline_max = MLX5_ARG_UNSET,
- .txq_inline_min = MLX5_ARG_UNSET,
- .txq_inline_mpw = MLX5_ARG_UNSET,
- .txqs_inline = MLX5_ARG_UNSET,
- .vf_nl_en = 1,
- .mr_ext_memseg_en = 1,
- .mprq = {
- .enabled = 0, /* Disabled by default. */
- .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
- .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
- .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
- },
- .dv_esw_en = 1,
- };
- /* Device specific configuration. */
- switch (pci_dev->id.device_id) {
- case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
- case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
- dev_config.vf = 1;
- break;
- default:
- break;
- }
- for (i = 0; i != ns; ++i) {
- uint32_t restore;
-
- list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
- &list[i],
- dev_config);
- if (!list[i].eth_dev) {
- if (rte_errno != EBUSY && rte_errno != EEXIST)
- break;
- /* Device is disabled or already spawned. Ignore it. */
- continue;
- }
- restore = list[i].eth_dev->data->dev_flags;
- rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
- /* Restore non-PCI flags cleared by the above call. */
- list[i].eth_dev->data->dev_flags |= restore;
- mlx5_dev_interrupt_handler_devx_install(list[i].eth_dev);
- rte_eth_dev_probing_finish(list[i].eth_dev);
- }
- if (i != ns) {
- DRV_LOG(ERR,
- "probe of PCI device " PCI_PRI_FMT " aborted after"
- " encountering an error: %s",
- pci_dev->addr.domain, pci_dev->addr.bus,
- pci_dev->addr.devid, pci_dev->addr.function,
- strerror(rte_errno));
- ret = -rte_errno;
- /* Roll back. */
- while (i--) {
- if (!list[i].eth_dev)
- continue;
- mlx5_dev_close(list[i].eth_dev);
- /* mac_addrs must not be freed because in dev_private */
- list[i].eth_dev->data->mac_addrs = NULL;
- claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
- }
- /* Restore original error. */
- rte_errno = -ret;
- } else {
- ret = 0;
- }
-exit:
- /*
- * Do the routine cleanup:
- * - close opened Netlink sockets
- * - free allocated spawn data array
- * - free the Infiniband device list
- */
- if (nl_rdma >= 0)
- close(nl_rdma);
- if (nl_route >= 0)
- close(nl_route);
- if (list)
- rte_free(list);
- assert(ibv_list);
- mlx5_glue->free_device_list(ibv_list);
- return ret;
-}
-
-/**
- * Look for the ethernet device belonging to mlx5 driver.
- *
- * @param[in] port_id
- * port_id to start looking for device.
- * @param[in] pci_dev
- * Pointer to the hint PCI device. When device is being probed
- * the its siblings (master and preceding representors might
- * not have assigned driver yet (because the mlx5_pci_probe()
- * is not completed yet, for this case match on hint PCI
- * device may be used to detect sibling device.
- *
- * @return
- * port_id of found device, RTE_MAX_ETHPORT if not found.
- */
-uint16_t
-mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev)
-{
- while (port_id < RTE_MAX_ETHPORTS) {
- struct rte_eth_dev *dev = &rte_eth_devices[port_id];
-
- if (dev->state != RTE_ETH_DEV_UNUSED &&
- dev->device &&
- (dev->device == &pci_dev->device ||
- (dev->device->driver &&
- dev->device->driver->name &&
- !strcmp(dev->device->driver->name, MLX5_DRIVER_NAME))))
- break;
- port_id++;
- }
- if (port_id >= RTE_MAX_ETHPORTS)
- return RTE_MAX_ETHPORTS;
- return port_id;
-}
-
-/**
- * DPDK callback to remove a PCI device.
- *
- * This function removes all Ethernet devices belong to a given PCI device.
- *
- * @param[in] pci_dev
- * Pointer to the PCI device.
- *
- * @return
- * 0 on success, the function cannot fail.
- */
-static int
-mlx5_pci_remove(struct rte_pci_device *pci_dev)
-{
- uint16_t port_id;
-
- RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device)
- rte_eth_dev_close(port_id);
return 0;
}
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF)
},
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX6LX)
+ },
{
.vendor_id = 0
}
};
-static struct rte_pci_driver mlx5_driver = {
- .driver = {
- .name = MLX5_DRIVER_NAME
+static struct mlx5_pci_driver mlx5_driver = {
+ .driver_class = MLX5_CLASS_NET,
+ .pci_driver = {
+ .driver = {
+ .name = MLX5_DRIVER_NAME,
+ },
+ .id_table = mlx5_pci_id_map,
+ .probe = mlx5_os_pci_probe,
+ .remove = mlx5_pci_remove,
+ .dma_map = mlx5_dma_map,
+ .dma_unmap = mlx5_dma_unmap,
+ .drv_flags = PCI_DRV_FLAGS,
},
- .id_table = mlx5_pci_id_map,
- .probe = mlx5_pci_probe,
- .remove = mlx5_pci_remove,
- .dma_map = mlx5_dma_map,
- .dma_unmap = mlx5_dma_unmap,
- .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV |
- RTE_PCI_DRV_PROBE_AGAIN,
};
-#ifdef RTE_IBVERBS_LINK_DLOPEN
-
-/**
- * Suffix RTE_EAL_PMD_PATH with "-glue".
- *
- * This function performs a sanity check on RTE_EAL_PMD_PATH before
- * suffixing its last component.
- *
- * @param buf[out]
- * Output buffer, should be large enough otherwise NULL is returned.
- * @param size
- * Size of @p out.
- *
- * @return
- * Pointer to @p buf or @p NULL in case suffix cannot be appended.
- */
-static char *
-mlx5_glue_path(char *buf, size_t size)
-{
- static const char *const bad[] = { "/", ".", "..", NULL };
- const char *path = RTE_EAL_PMD_PATH;
- size_t len = strlen(path);
- size_t off;
- int i;
-
- while (len && path[len - 1] == '/')
- --len;
- for (off = len; off && path[off - 1] != '/'; --off)
- ;
- for (i = 0; bad[i]; ++i)
- if (!strncmp(path + off, bad[i], (int)(len - off)))
- goto error;
- i = snprintf(buf, size, "%.*s-glue", (int)len, path);
- if (i == -1 || (size_t)i >= size)
- goto error;
- return buf;
-error:
- DRV_LOG(ERR,
- "unable to append \"-glue\" to last component of"
- " RTE_EAL_PMD_PATH (\"" RTE_EAL_PMD_PATH "\"),"
- " please re-configure DPDK");
- return NULL;
-}
-
-/**
- * Initialization routine for run-time dependency on rdma-core.
- */
-static int
-mlx5_glue_init(void)
-{
- char glue_path[sizeof(RTE_EAL_PMD_PATH) - 1 + sizeof("-glue")];
- const char *path[] = {
- /*
- * A basic security check is necessary before trusting
- * MLX5_GLUE_PATH, which may override RTE_EAL_PMD_PATH.
- */
- (geteuid() == getuid() && getegid() == getgid() ?
- getenv("MLX5_GLUE_PATH") : NULL),
- /*
- * When RTE_EAL_PMD_PATH is set, use its glue-suffixed
- * variant, otherwise let dlopen() look up libraries on its
- * own.
- */
- (*RTE_EAL_PMD_PATH ?
- mlx5_glue_path(glue_path, sizeof(glue_path)) : ""),
- };
- unsigned int i = 0;
- void *handle = NULL;
- void **sym;
- const char *dlmsg;
-
- while (!handle && i != RTE_DIM(path)) {
- const char *end;
- size_t len;
- int ret;
-
- if (!path[i]) {
- ++i;
- continue;
- }
- end = strpbrk(path[i], ":;");
- if (!end)
- end = path[i] + strlen(path[i]);
- len = end - path[i];
- ret = 0;
- do {
- char name[ret + 1];
-
- ret = snprintf(name, sizeof(name), "%.*s%s" MLX5_GLUE,
- (int)len, path[i],
- (!len || *(end - 1) == '/') ? "" : "/");
- if (ret == -1)
- break;
- if (sizeof(name) != (size_t)ret + 1)
- continue;
- DRV_LOG(DEBUG, "looking for rdma-core glue as \"%s\"",
- name);
- handle = dlopen(name, RTLD_LAZY);
- break;
- } while (1);
- path[i] = end + 1;
- if (!*end)
- ++i;
- }
- if (!handle) {
- rte_errno = EINVAL;
- dlmsg = dlerror();
- if (dlmsg)
- DRV_LOG(WARNING, "cannot load glue library: %s", dlmsg);
- goto glue_error;
- }
- sym = dlsym(handle, "mlx5_glue");
- if (!sym || !*sym) {
- rte_errno = EINVAL;
- dlmsg = dlerror();
- if (dlmsg)
- DRV_LOG(ERR, "cannot resolve glue symbol: %s", dlmsg);
- goto glue_error;
- }
- mlx5_glue = *sym;
- return 0;
-glue_error:
- if (handle)
- dlclose(handle);
- DRV_LOG(WARNING,
- "cannot initialize PMD due to missing run-time dependency on"
- " rdma-core libraries (libibverbs, libmlx5)");
- return -rte_errno;
-}
-
-#endif
+/* Initialize driver log type. */
+RTE_LOG_REGISTER(mlx5_logtype, pmd.net.mlx5, NOTICE)
/**
* Driver initialization routine.
*/
RTE_INIT(rte_mlx5_pmd_init)
{
- /* Initialize driver log type. */
- mlx5_logtype = rte_log_register("pmd.net.mlx5");
- if (mlx5_logtype >= 0)
- rte_log_set_level(mlx5_logtype, RTE_LOG_NOTICE);
-
+ mlx5_common_init();
/* Build the static tables for Verbs conversion. */
mlx5_set_ptype_table();
mlx5_set_cksum_table();
mlx5_set_swp_types_table();
- /*
- * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
- * huge pages. Calling ibv_fork_init() during init allows
- * applications to use fork() safely for purposes other than
- * using this PMD, which is not supported in forked processes.
- */
- setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
- /* Match the size of Rx completion entry to the size of a cacheline. */
- if (RTE_CACHE_LINE_SIZE == 128)
- setenv("MLX5_CQE_SIZE", "128", 0);
- /*
- * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to
- * cleanup all the Verbs resources even when the device was removed.
- */
- setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1);
-#ifdef RTE_IBVERBS_LINK_DLOPEN
- if (mlx5_glue_init())
- return;
- assert(mlx5_glue);
-#endif
-#ifndef NDEBUG
- /* Glue structure must not contain any NULL pointers. */
- {
- unsigned int i;
-
- for (i = 0; i != sizeof(*mlx5_glue) / sizeof(void *); ++i)
- assert(((const void *const *)mlx5_glue)[i]);
- }
-#endif
- if (strcmp(mlx5_glue->version, MLX5_GLUE_VERSION)) {
- DRV_LOG(ERR,
- "rdma-core glue \"%s\" mismatch: \"%s\" is required",
- mlx5_glue->version, MLX5_GLUE_VERSION);
- return;
- }
- mlx5_glue->fork_init();
- rte_pci_register(&mlx5_driver);
+ if (mlx5_glue)
+ mlx5_pci_driver_register(&mlx5_driver);
}
RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
git.droids-corp.org / dpdk.git / blobdiff