*
* @param rxq_obj
* DevX Rx queue object.
+ * @param type
+ * Type of change queue state.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_devx_modify_rq(struct mlx5_rxq_obj *rxq_obj, bool is_start)
+mlx5_devx_modify_rq(struct mlx5_rxq_obj *rxq_obj, uint8_t type)
{
struct mlx5_devx_modify_rq_attr rq_attr;
memset(&rq_attr, 0, sizeof(rq_attr));
- if (is_start) {
+ switch (type) {
+ case MLX5_RXQ_MOD_ERR2RST:
+ rq_attr.rq_state = MLX5_RQC_STATE_ERR;
+ rq_attr.state = MLX5_RQC_STATE_RST;
+ break;
+ case MLX5_RXQ_MOD_RST2RDY:
rq_attr.rq_state = MLX5_RQC_STATE_RST;
rq_attr.state = MLX5_RQC_STATE_RDY;
- } else {
+ break;
+ case MLX5_RXQ_MOD_RDY2ERR:
+ rq_attr.rq_state = MLX5_RQC_STATE_RDY;
+ rq_attr.state = MLX5_RQC_STATE_ERR;
+ break;
+ case MLX5_RXQ_MOD_RDY2RST:
rq_attr.rq_state = MLX5_RQC_STATE_RDY;
rq_attr.state = MLX5_RQC_STATE_RST;
+ break;
+ default:
+ break;
}
return mlx5_devx_cmd_modify_rq(rxq_obj->rq, &rq_attr);
}
+/**
+ * Modify SQ using DevX API.
+ *
+ * @param txq_obj
+ * DevX Tx queue object.
+ * @param type
+ * Type of change queue state.
+ * @param dev_port
+ * Unnecessary.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_devx_modify_sq(struct mlx5_txq_obj *obj, enum mlx5_txq_modify_type type,
+ uint8_t dev_port)
+{
+ struct mlx5_devx_modify_sq_attr msq_attr = { 0 };
+ int ret;
+
+ if (type != MLX5_TXQ_MOD_RST2RDY) {
+ /* Change queue state to reset. */
+ if (type == MLX5_TXQ_MOD_ERR2RDY)
+ msq_attr.sq_state = MLX5_SQC_STATE_ERR;
+ else
+ msq_attr.sq_state = MLX5_SQC_STATE_RDY;
+ msq_attr.state = MLX5_SQC_STATE_RST;
+ ret = mlx5_devx_cmd_modify_sq(obj->sq_devx, &msq_attr);
+ if (ret) {
+ DRV_LOG(ERR, "Cannot change the Tx SQ state to RESET"
+ " %s", strerror(errno));
+ rte_errno = errno;
+ return ret;
+ }
+ }
+ if (type != MLX5_TXQ_MOD_RDY2RST) {
+ /* Change queue state to ready. */
+ msq_attr.sq_state = MLX5_SQC_STATE_RST;
+ msq_attr.state = MLX5_SQC_STATE_RDY;
+ ret = mlx5_devx_cmd_modify_sq(obj->sq_devx, &msq_attr);
+ if (ret) {
+ DRV_LOG(ERR, "Cannot change the Tx SQ state to READY"
+ " %s", strerror(errno));
+ rte_errno = errno;
+ return ret;
+ }
+ }
+ /*
+ * The dev_port variable is relevant only in Verbs API, and there is a
+ * pointer that points to this function and a parallel function in verbs
+ * intermittently, so they should have the same parameters.
+ */
+ (void)dev_port;
+ return 0;
+}
+
/**
* Release the resources allocated for an RQ DevX object.
*
* DevX Rx queue object.
*/
static void
-rxq_release_devx_rq_resources(struct mlx5_rxq_ctrl *rxq_ctrl)
+mlx5_rxq_release_devx_rq_resources(struct mlx5_rxq_ctrl *rxq_ctrl)
{
struct mlx5_devx_dbr_page *dbr_page = rxq_ctrl->rq_dbrec_page;
* DevX Rx queue object.
*/
static void
-rxq_release_devx_cq_resources(struct mlx5_rxq_ctrl *rxq_ctrl)
+mlx5_rxq_release_devx_cq_resources(struct mlx5_rxq_ctrl *rxq_ctrl)
{
struct mlx5_devx_dbr_page *dbr_page = rxq_ctrl->cq_dbrec_page;
{
MLX5_ASSERT(rxq_obj);
MLX5_ASSERT(rxq_obj->rq);
- if (rxq_obj->type == MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN) {
- mlx5_devx_modify_rq(rxq_obj, false);
+ if (rxq_obj->rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN) {
+ mlx5_devx_modify_rq(rxq_obj, MLX5_RXQ_MOD_RDY2RST);
claim_zero(mlx5_devx_cmd_destroy(rxq_obj->rq));
} else {
MLX5_ASSERT(rxq_obj->devx_cq);
if (rxq_obj->devx_channel)
mlx5_glue->devx_destroy_event_channel
(rxq_obj->devx_channel);
- rxq_release_devx_rq_resources(rxq_obj->rxq_ctrl);
- rxq_release_devx_cq_resources(rxq_obj->rxq_ctrl);
+ mlx5_rxq_release_devx_rq_resources(rxq_obj->rxq_ctrl);
+ mlx5_rxq_release_devx_cq_resources(rxq_obj->rxq_ctrl);
}
}
* The DevX RQ object initialized, NULL otherwise and rte_errno is set.
*/
static struct mlx5_devx_obj *
-rxq_create_devx_rq_resources(struct rte_eth_dev *dev, uint16_t idx)
+mlx5_rxq_create_devx_rq_resources(struct rte_eth_dev *dev, uint16_t idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
goto error;
return rq;
error:
- rxq_release_devx_rq_resources(rxq_ctrl);
+ mlx5_rxq_release_devx_rq_resources(rxq_ctrl);
return NULL;
}
* The DevX CQ object initialized, NULL otherwise and rte_errno is set.
*/
static struct mlx5_devx_obj *
-rxq_create_devx_cq_resources(struct rte_eth_dev *dev, uint16_t idx)
+mlx5_rxq_create_devx_cq_resources(struct rte_eth_dev *dev, uint16_t idx)
{
struct mlx5_devx_obj *cq_obj = 0;
struct mlx5_devx_cq_attr cq_attr = { 0 };
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
size_t page_size = rte_mem_page_size();
- uint32_t lcore = (uint32_t)rte_lcore_to_cpu_id(-1);
unsigned int cqe_n = mlx5_rxq_cqe_num(rxq_data);
struct mlx5_devx_dbr_page *dbr_page;
int64_t dbr_offset;
- uint32_t eqn = 0;
void *buf = NULL;
uint16_t event_nums[1] = {0};
uint32_t log_cqe_n;
}
if (priv->config.cqe_comp && !rxq_data->hw_timestamp &&
!rxq_data->lro) {
- cq_attr.cqe_comp_en = MLX5DV_CQ_INIT_ATTR_MASK_COMPRESSED_CQE;
-#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+ cq_attr.cqe_comp_en = 1u;
cq_attr.mini_cqe_res_format =
mlx5_rxq_mprq_enabled(rxq_data) ?
- MLX5DV_CQE_RES_FORMAT_CSUM_STRIDX :
- MLX5DV_CQE_RES_FORMAT_HASH;
-#else
- cq_attr.mini_cqe_res_format = MLX5DV_CQE_RES_FORMAT_HASH;
-#endif
+ MLX5_CQE_RESP_FORMAT_CSUM_STRIDX :
+ MLX5_CQE_RESP_FORMAT_HASH;
/*
* For vectorized Rx, it must not be doubled in order to
* make cq_ci and rq_ci aligned.
"Port %u Rx CQE compression is disabled for LRO.",
dev->data->port_id);
}
-#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
if (priv->config.cqe_pad)
- cq_attr.cqe_size = MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD;
-#endif
+ cq_attr.cqe_size = MLX5_CQE_SIZE_128B;
log_cqe_n = log2above(cqe_n);
cq_size = sizeof(struct mlx5_cqe) * (1 << log_cqe_n);
- /* Query the EQN for this core. */
- if (mlx5_glue->devx_query_eqn(priv->sh->ctx, lcore, &eqn)) {
- DRV_LOG(ERR, "Failed to query EQN for CQ.");
- goto error;
- }
- cq_attr.eqn = eqn;
buf = rte_calloc_socket(__func__, 1, cq_size, page_size,
rxq_ctrl->socket);
if (!buf) {
rxq_data->cq_uar =
mlx5_os_get_devx_uar_base_addr(priv->sh->devx_rx_uar);
/* Create CQ using DevX API. */
+ cq_attr.eqn = priv->sh->eqn;
cq_attr.uar_page_id =
mlx5_os_get_devx_uar_page_id(priv->sh->devx_rx_uar);
cq_attr.q_umem_id = mlx5_os_get_umem_id(rxq_ctrl->cq_umem);
error:
if (cq_obj)
mlx5_devx_cmd_destroy(cq_obj);
- rxq_release_devx_cq_resources(rxq_ctrl);
+ mlx5_rxq_release_devx_cq_resources(rxq_ctrl);
return NULL;
}
MLX5_ASSERT(rxq_data);
MLX5_ASSERT(tmpl);
- tmpl->type = MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN;
tmpl->rxq_ctrl = rxq_ctrl;
attr.hairpin = 1;
max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz;
MLX5_ASSERT(tmpl);
if (rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN)
return mlx5_rxq_obj_hairpin_new(dev, idx);
- tmpl->type = MLX5_RXQ_OBJ_TYPE_DEVX_RQ;
tmpl->rxq_ctrl = rxq_ctrl;
if (rxq_ctrl->irq) {
int devx_ev_flag =
tmpl->fd = mlx5_os_get_devx_channel_fd(tmpl->devx_channel);
}
/* Create CQ using DevX API. */
- tmpl->devx_cq = rxq_create_devx_cq_resources(dev, idx);
+ tmpl->devx_cq = mlx5_rxq_create_devx_cq_resources(dev, idx);
if (!tmpl->devx_cq) {
DRV_LOG(ERR, "Failed to create CQ.");
goto error;
}
/* Create RQ using DevX API. */
- tmpl->rq = rxq_create_devx_rq_resources(dev, idx);
+ tmpl->rq = mlx5_rxq_create_devx_rq_resources(dev, idx);
if (!tmpl->rq) {
DRV_LOG(ERR, "Port %u Rx queue %u RQ creation failure.",
dev->data->port_id, idx);
goto error;
}
/* Change queue state to ready. */
- ret = mlx5_devx_modify_rq(tmpl, true);
+ ret = mlx5_devx_modify_rq(tmpl, MLX5_RXQ_MOD_RST2RDY);
if (ret)
goto error;
rxq_data->cq_arm_sn = 0;
claim_zero(mlx5_devx_cmd_destroy(tmpl->devx_cq));
if (tmpl->devx_channel)
mlx5_glue->devx_destroy_event_channel(tmpl->devx_channel);
- rxq_release_devx_rq_resources(rxq_ctrl);
- rxq_release_devx_cq_resources(rxq_ctrl);
+ mlx5_rxq_release_devx_rq_resources(rxq_ctrl);
+ mlx5_rxq_release_devx_cq_resources(rxq_ctrl);
rte_errno = ret; /* Restore rte_errno. */
return -rte_errno;
}
/**
- * Create an indirection table.
+ * Create RQT using DevX API as a filed of indirection table.
*
* @param dev
* Pointer to Ethernet device.
- * @param queues
- * Queues entering in the indirection table.
- * @param queues_n
- * Number of queues in the array.
+ * @param log_n
+ * Log of number of queues in the array.
+ * @param ind_tbl
+ * DevX indirection table object.
*
* @return
- * The DevX object initialized, NULL otherwise and rte_errno is set.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
-static struct mlx5_ind_table_obj *
-mlx5_devx_ind_table_obj_new(struct rte_eth_dev *dev, const uint16_t *queues,
- uint32_t queues_n)
+static int
+mlx5_devx_ind_table_new(struct rte_eth_dev *dev, const unsigned int log_n,
+ struct mlx5_ind_table_obj *ind_tbl)
{
struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_ind_table_obj *ind_tbl;
struct mlx5_devx_rqt_attr *rqt_attr = NULL;
- const unsigned int rqt_n = 1 << (rte_is_power_of_2(queues_n) ?
- log2above(queues_n) :
- log2above(priv->config.ind_table_max_size));
- unsigned int i = 0, j = 0, k = 0;
-
- ind_tbl = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ind_tbl) +
- queues_n * sizeof(uint16_t), 0, SOCKET_ID_ANY);
- if (!ind_tbl) {
- rte_errno = ENOMEM;
- return NULL;
- }
- ind_tbl->type = MLX5_IND_TBL_TYPE_DEVX;
+ const unsigned int rqt_n = 1 << log_n;
+ unsigned int i, j;
+
+ MLX5_ASSERT(ind_tbl);
rqt_attr = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt_attr) +
rqt_n * sizeof(uint32_t), 0, SOCKET_ID_ANY);
if (!rqt_attr) {
DRV_LOG(ERR, "Port %u cannot allocate RQT resources.",
dev->data->port_id);
rte_errno = ENOMEM;
- goto error;
+ return -rte_errno;
}
rqt_attr->rqt_max_size = priv->config.ind_table_max_size;
rqt_attr->rqt_actual_size = rqt_n;
- for (i = 0; i != queues_n; ++i) {
- struct mlx5_rxq_ctrl *rxq = mlx5_rxq_get(dev, queues[i]);
- if (!rxq) {
- mlx5_free(rqt_attr);
- goto error;
- }
- rqt_attr->rq_list[i] = rxq->obj->rq->id;
- ind_tbl->queues[i] = queues[i];
+ for (i = 0; i != ind_tbl->queues_n; ++i) {
+ struct mlx5_rxq_data *rxq = (*priv->rxqs)[ind_tbl->queues[i]];
+ struct mlx5_rxq_ctrl *rxq_ctrl =
+ container_of(rxq, struct mlx5_rxq_ctrl, rxq);
+
+ rqt_attr->rq_list[i] = rxq_ctrl->obj->rq->id;
}
- k = i; /* Retain value of i for use in error case. */
- for (j = 0; k != rqt_n; ++k, ++j)
- rqt_attr->rq_list[k] = rqt_attr->rq_list[j];
+ MLX5_ASSERT(i > 0);
+ for (j = 0; i != rqt_n; ++j, ++i)
+ rqt_attr->rq_list[i] = rqt_attr->rq_list[j];
ind_tbl->rqt = mlx5_devx_cmd_create_rqt(priv->sh->ctx, rqt_attr);
mlx5_free(rqt_attr);
if (!ind_tbl->rqt) {
DRV_LOG(ERR, "Port %u cannot create DevX RQT.",
dev->data->port_id);
rte_errno = errno;
- goto error;
+ return -rte_errno;
}
- ind_tbl->queues_n = queues_n;
- rte_atomic32_inc(&ind_tbl->refcnt);
- LIST_INSERT_HEAD(&priv->ind_tbls, ind_tbl, next);
- return ind_tbl;
-error:
- for (j = 0; j < i; j++)
- mlx5_rxq_release(dev, ind_tbl->queues[j]);
- mlx5_free(ind_tbl);
- DEBUG("Port %u cannot create indirection table.", dev->data->port_id);
- return NULL;
+ return 0;
}
/**
* Indirection table to release.
*/
static void
-mlx5_devx_ind_table_obj_destroy(struct mlx5_ind_table_obj *ind_tbl)
+mlx5_devx_ind_table_destroy(struct mlx5_ind_table_obj *ind_tbl)
{
claim_zero(mlx5_devx_cmd_destroy(ind_tbl->rqt));
}
+/**
+ * Create an Rx Hash queue.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param hrxq
+ * Pointer to Rx Hash queue.
+ * @param tunnel
+ * Tunnel type.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_devx_hrxq_new(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq,
+ int tunnel __rte_unused)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_ind_table_obj *ind_tbl = hrxq->ind_table;
+ struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[ind_tbl->queues[0]];
+ struct mlx5_rxq_ctrl *rxq_ctrl =
+ container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
+ struct mlx5_devx_tir_attr tir_attr;
+ const uint8_t *rss_key = hrxq->rss_key;
+ uint64_t hash_fields = hrxq->hash_fields;
+ bool lro = true;
+ uint32_t i;
+ int err;
+
+ /* Enable TIR LRO only if all the queues were configured for. */
+ for (i = 0; i < ind_tbl->queues_n; ++i) {
+ if (!(*priv->rxqs)[ind_tbl->queues[i]]->lro) {
+ lro = false;
+ break;
+ }
+ }
+ memset(&tir_attr, 0, sizeof(tir_attr));
+ tir_attr.disp_type = MLX5_TIRC_DISP_TYPE_INDIRECT;
+ tir_attr.rx_hash_fn = MLX5_RX_HASH_FN_TOEPLITZ;
+ tir_attr.tunneled_offload_en = !!tunnel;
+ /* If needed, translate hash_fields bitmap to PRM format. */
+ if (hash_fields) {
+ struct mlx5_rx_hash_field_select *rx_hash_field_select = NULL;
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+ rx_hash_field_select = hash_fields & IBV_RX_HASH_INNER ?
+ &tir_attr.rx_hash_field_selector_inner :
+ &tir_attr.rx_hash_field_selector_outer;
+#else
+ rx_hash_field_select = &tir_attr.rx_hash_field_selector_outer;
+#endif
+ /* 1 bit: 0: IPv4, 1: IPv6. */
+ rx_hash_field_select->l3_prot_type =
+ !!(hash_fields & MLX5_IPV6_IBV_RX_HASH);
+ /* 1 bit: 0: TCP, 1: UDP. */
+ rx_hash_field_select->l4_prot_type =
+ !!(hash_fields & MLX5_UDP_IBV_RX_HASH);
+ /* Bitmask which sets which fields to use in RX Hash. */
+ rx_hash_field_select->selected_fields =
+ ((!!(hash_fields & MLX5_L3_SRC_IBV_RX_HASH)) <<
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP) |
+ (!!(hash_fields & MLX5_L3_DST_IBV_RX_HASH)) <<
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_DST_IP |
+ (!!(hash_fields & MLX5_L4_SRC_IBV_RX_HASH)) <<
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT |
+ (!!(hash_fields & MLX5_L4_DST_IBV_RX_HASH)) <<
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT;
+ }
+ if (rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN)
+ tir_attr.transport_domain = priv->sh->td->id;
+ else
+ tir_attr.transport_domain = priv->sh->tdn;
+ memcpy(tir_attr.rx_hash_toeplitz_key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+ tir_attr.indirect_table = ind_tbl->rqt->id;
+ if (dev->data->dev_conf.lpbk_mode)
+ tir_attr.self_lb_block = MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
+ if (lro) {
+ tir_attr.lro_timeout_period_usecs = priv->config.lro.timeout;
+ tir_attr.lro_max_msg_sz = priv->max_lro_msg_size;
+ tir_attr.lro_enable_mask = MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO |
+ MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO;
+ }
+ hrxq->tir = mlx5_devx_cmd_create_tir(priv->sh->ctx, &tir_attr);
+ if (!hrxq->tir) {
+ DRV_LOG(ERR, "Port %u cannot create DevX TIR.",
+ dev->data->port_id);
+ rte_errno = errno;
+ goto error;
+ }
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ hrxq->action = mlx5_glue->dv_create_flow_action_dest_devx_tir
+ (hrxq->tir->obj);
+ if (!hrxq->action) {
+ rte_errno = errno;
+ goto error;
+ }
+#endif
+ return 0;
+error:
+ err = rte_errno; /* Save rte_errno before cleanup. */
+ if (hrxq->tir)
+ claim_zero(mlx5_devx_cmd_destroy(hrxq->tir));
+ rte_errno = err; /* Restore rte_errno. */
+ return -rte_errno;
+}
+
+/**
+ * Destroy a DevX TIR object.
+ *
+ * @param hrxq
+ * Hash Rx queue to release its tir.
+ */
+static void
+mlx5_devx_tir_destroy(struct mlx5_hrxq *hrxq)
+{
+ claim_zero(mlx5_devx_cmd_destroy(hrxq->tir));
+}
+
+/**
+ * Create a DevX drop action for Rx Hash queue.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_devx_drop_action_create(struct rte_eth_dev *dev)
+{
+ (void)dev;
+ DRV_LOG(ERR, "DevX drop action is not supported yet.");
+ rte_errno = ENOTSUP;
+ return -rte_errno;
+}
+
+/**
+ * Release a drop hash Rx queue.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ */
+static void
+mlx5_devx_drop_action_destroy(struct rte_eth_dev *dev)
+{
+ (void)dev;
+ DRV_LOG(ERR, "DevX drop action is not supported yet.");
+ rte_errno = ENOTSUP;
+}
+
+/**
+ * Create the Tx hairpin queue object.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * Queue index in DPDK Tx queue array.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_txq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
+ struct mlx5_txq_ctrl *txq_ctrl =
+ container_of(txq_data, struct mlx5_txq_ctrl, txq);
+ struct mlx5_devx_create_sq_attr attr = { 0 };
+ struct mlx5_txq_obj *tmpl = txq_ctrl->obj;
+ uint32_t max_wq_data;
+
+ MLX5_ASSERT(txq_data);
+ MLX5_ASSERT(tmpl);
+ tmpl->txq_ctrl = txq_ctrl;
+ attr.hairpin = 1;
+ attr.tis_lst_sz = 1;
+ max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz;
+ /* Jumbo frames > 9KB should be supported, and more packets. */
+ if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) {
+ if (priv->config.log_hp_size > max_wq_data) {
+ DRV_LOG(ERR, "Total data size %u power of 2 is "
+ "too large for hairpin.",
+ priv->config.log_hp_size);
+ rte_errno = ERANGE;
+ return -rte_errno;
+ }
+ attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size;
+ } else {
+ attr.wq_attr.log_hairpin_data_sz =
+ (max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ?
+ max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE;
+ }
+ /* Set the packets number to the maximum value for performance. */
+ attr.wq_attr.log_hairpin_num_packets =
+ attr.wq_attr.log_hairpin_data_sz -
+ MLX5_HAIRPIN_QUEUE_STRIDE;
+ attr.tis_num = priv->sh->tis->id;
+ tmpl->sq = mlx5_devx_cmd_create_sq(priv->sh->ctx, &attr);
+ if (!tmpl->sq) {
+ DRV_LOG(ERR,
+ "Port %u tx hairpin queue %u can't create SQ object.",
+ dev->data->port_id, idx);
+ rte_errno = errno;
+ return -rte_errno;
+ }
+ return 0;
+}
+
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+/**
+ * Release DevX SQ resources.
+ *
+ * @param txq_obj
+ * DevX Tx queue object.
+ */
+static void
+mlx5_txq_release_devx_sq_resources(struct mlx5_txq_obj *txq_obj)
+{
+ if (txq_obj->sq_devx)
+ claim_zero(mlx5_devx_cmd_destroy(txq_obj->sq_devx));
+ if (txq_obj->sq_umem)
+ claim_zero(mlx5_glue->devx_umem_dereg(txq_obj->sq_umem));
+ if (txq_obj->sq_buf)
+ mlx5_free(txq_obj->sq_buf);
+ if (txq_obj->sq_dbrec_page)
+ claim_zero(mlx5_release_dbr(&txq_obj->txq_ctrl->priv->dbrpgs,
+ mlx5_os_get_umem_id
+ (txq_obj->sq_dbrec_page->umem),
+ txq_obj->sq_dbrec_offset));
+}
+
+/**
+ * Release DevX Tx CQ resources.
+ *
+ * @param txq_obj
+ * DevX Tx queue object.
+ */
+static void
+mlx5_txq_release_devx_cq_resources(struct mlx5_txq_obj *txq_obj)
+{
+ if (txq_obj->cq_devx)
+ claim_zero(mlx5_devx_cmd_destroy(txq_obj->cq_devx));
+ if (txq_obj->cq_umem)
+ claim_zero(mlx5_glue->devx_umem_dereg(txq_obj->cq_umem));
+ if (txq_obj->cq_buf)
+ mlx5_free(txq_obj->cq_buf);
+ if (txq_obj->cq_dbrec_page)
+ claim_zero(mlx5_release_dbr(&txq_obj->txq_ctrl->priv->dbrpgs,
+ mlx5_os_get_umem_id
+ (txq_obj->cq_dbrec_page->umem),
+ txq_obj->cq_dbrec_offset));
+}
+
+/**
+ * Destroy the Tx queue DevX object.
+ *
+ * @param txq_obj
+ * Txq object to destroy.
+ */
+static void
+mlx5_txq_release_devx_resources(struct mlx5_txq_obj *txq_obj)
+{
+ mlx5_txq_release_devx_cq_resources(txq_obj);
+ mlx5_txq_release_devx_sq_resources(txq_obj);
+}
+
+/**
+ * Create a DevX CQ object and its resources for an Tx queue.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * Queue index in DPDK Tx queue array.
+ *
+ * @return
+ * Number of CQEs in CQ, 0 otherwise and rte_errno is set.
+ */
+static uint32_t
+mlx5_txq_create_devx_cq_resources(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
+ struct mlx5_txq_ctrl *txq_ctrl =
+ container_of(txq_data, struct mlx5_txq_ctrl, txq);
+ struct mlx5_txq_obj *txq_obj = txq_ctrl->obj;
+ struct mlx5_devx_cq_attr cq_attr = { 0 };
+ struct mlx5_cqe *cqe;
+ size_t page_size;
+ size_t alignment;
+ uint32_t cqe_n;
+ uint32_t i;
+ int ret;
+
+ MLX5_ASSERT(txq_data);
+ MLX5_ASSERT(txq_obj);
+ page_size = rte_mem_page_size();
+ if (page_size == (size_t)-1) {
+ DRV_LOG(ERR, "Failed to get mem page size.");
+ rte_errno = ENOMEM;
+ return 0;
+ }
+ /* Allocate memory buffer for CQEs. */
+ alignment = MLX5_CQE_BUF_ALIGNMENT;
+ if (alignment == (size_t)-1) {
+ DRV_LOG(ERR, "Failed to get CQE buf alignment.");
+ rte_errno = ENOMEM;
+ return 0;
+ }
+ /* Create the Completion Queue. */
+ cqe_n = (1UL << txq_data->elts_n) / MLX5_TX_COMP_THRESH +
+ 1 + MLX5_TX_COMP_THRESH_INLINE_DIV;
+ cqe_n = 1UL << log2above(cqe_n);
+ if (cqe_n > UINT16_MAX) {
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u requests to many CQEs %u.",
+ dev->data->port_id, txq_data->idx, cqe_n);
+ rte_errno = EINVAL;
+ return 0;
+ }
+ txq_obj->cq_buf = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO,
+ cqe_n * sizeof(struct mlx5_cqe),
+ alignment,
+ priv->sh->numa_node);
+ if (!txq_obj->cq_buf) {
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u cannot allocate memory (CQ).",
+ dev->data->port_id, txq_data->idx);
+ rte_errno = ENOMEM;
+ return 0;
+ }
+ /* Register allocated buffer in user space with DevX. */
+ txq_obj->cq_umem = mlx5_glue->devx_umem_reg(priv->sh->ctx,
+ (void *)txq_obj->cq_buf,
+ cqe_n * sizeof(struct mlx5_cqe),
+ IBV_ACCESS_LOCAL_WRITE);
+ if (!txq_obj->cq_umem) {
+ rte_errno = errno;
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u cannot register memory (CQ).",
+ dev->data->port_id, txq_data->idx);
+ goto error;
+ }
+ /* Allocate doorbell record for completion queue. */
+ txq_obj->cq_dbrec_offset = mlx5_get_dbr(priv->sh->ctx,
+ &priv->dbrpgs,
+ &txq_obj->cq_dbrec_page);
+ if (txq_obj->cq_dbrec_offset < 0) {
+ rte_errno = errno;
+ DRV_LOG(ERR, "Failed to allocate CQ door-bell.");
+ goto error;
+ }
+ cq_attr.cqe_size = (sizeof(struct mlx5_cqe) == 128) ?
+ MLX5_CQE_SIZE_128B : MLX5_CQE_SIZE_64B;
+ cq_attr.uar_page_id = mlx5_os_get_devx_uar_page_id(priv->sh->tx_uar);
+ cq_attr.eqn = priv->sh->eqn;
+ cq_attr.q_umem_valid = 1;
+ cq_attr.q_umem_offset = (uintptr_t)txq_obj->cq_buf % page_size;
+ cq_attr.q_umem_id = mlx5_os_get_umem_id(txq_obj->cq_umem);
+ cq_attr.db_umem_valid = 1;
+ cq_attr.db_umem_offset = txq_obj->cq_dbrec_offset;
+ cq_attr.db_umem_id = mlx5_os_get_umem_id(txq_obj->cq_dbrec_page->umem);
+ cq_attr.log_cq_size = rte_log2_u32(cqe_n);
+ cq_attr.log_page_size = rte_log2_u32(page_size);
+ /* Create completion queue object with DevX. */
+ txq_obj->cq_devx = mlx5_devx_cmd_create_cq(priv->sh->ctx, &cq_attr);
+ if (!txq_obj->cq_devx) {
+ rte_errno = errno;
+ DRV_LOG(ERR, "Port %u Tx queue %u CQ creation failure.",
+ dev->data->port_id, idx);
+ goto error;
+ }
+ /* Initial fill CQ buffer with invalid CQE opcode. */
+ cqe = (struct mlx5_cqe *)txq_obj->cq_buf;
+ for (i = 0; i < cqe_n; i++) {
+ cqe->op_own = (MLX5_CQE_INVALID << 4) | MLX5_CQE_OWNER_MASK;
+ ++cqe;
+ }
+ return cqe_n;
+error:
+ ret = rte_errno;
+ mlx5_txq_release_devx_cq_resources(txq_obj);
+ rte_errno = ret;
+ return 0;
+}
+
+/**
+ * Create a SQ object and its resources using DevX.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * Queue index in DPDK Tx queue array.
+ *
+ * @return
+ * Number of WQEs in SQ, 0 otherwise and rte_errno is set.
+ */
+static uint32_t
+mlx5_txq_create_devx_sq_resources(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
+ struct mlx5_txq_ctrl *txq_ctrl =
+ container_of(txq_data, struct mlx5_txq_ctrl, txq);
+ struct mlx5_txq_obj *txq_obj = txq_ctrl->obj;
+ struct mlx5_devx_create_sq_attr sq_attr = { 0 };
+ size_t page_size;
+ uint32_t wqe_n;
+ int ret;
+
+ MLX5_ASSERT(txq_data);
+ MLX5_ASSERT(txq_obj);
+ page_size = rte_mem_page_size();
+ if (page_size == (size_t)-1) {
+ DRV_LOG(ERR, "Failed to get mem page size.");
+ rte_errno = ENOMEM;
+ return 0;
+ }
+ wqe_n = RTE_MIN(1UL << txq_data->elts_n,
+ (uint32_t)priv->sh->device_attr.max_qp_wr);
+ txq_obj->sq_buf = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO,
+ wqe_n * sizeof(struct mlx5_wqe),
+ page_size, priv->sh->numa_node);
+ if (!txq_obj->sq_buf) {
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u cannot allocate memory (SQ).",
+ dev->data->port_id, txq_data->idx);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ /* Register allocated buffer in user space with DevX. */
+ txq_obj->sq_umem = mlx5_glue->devx_umem_reg
+ (priv->sh->ctx,
+ (void *)txq_obj->sq_buf,
+ wqe_n * sizeof(struct mlx5_wqe),
+ IBV_ACCESS_LOCAL_WRITE);
+ if (!txq_obj->sq_umem) {
+ rte_errno = errno;
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u cannot register memory (SQ).",
+ dev->data->port_id, txq_data->idx);
+ goto error;
+ }
+ /* Allocate doorbell record for send queue. */
+ txq_obj->sq_dbrec_offset = mlx5_get_dbr(priv->sh->ctx,
+ &priv->dbrpgs,
+ &txq_obj->sq_dbrec_page);
+ if (txq_obj->sq_dbrec_offset < 0) {
+ rte_errno = errno;
+ DRV_LOG(ERR, "Failed to allocate SQ door-bell.");
+ goto error;
+ }
+ sq_attr.tis_lst_sz = 1;
+ sq_attr.tis_num = priv->sh->tis->id;
+ sq_attr.state = MLX5_SQC_STATE_RST;
+ sq_attr.cqn = txq_obj->cq_devx->id;
+ sq_attr.flush_in_error_en = 1;
+ sq_attr.allow_multi_pkt_send_wqe = !!priv->config.mps;
+ sq_attr.allow_swp = !!priv->config.swp;
+ sq_attr.min_wqe_inline_mode = priv->config.hca_attr.vport_inline_mode;
+ sq_attr.wq_attr.uar_page =
+ mlx5_os_get_devx_uar_page_id(priv->sh->tx_uar);
+ sq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC;
+ sq_attr.wq_attr.pd = priv->sh->pdn;
+ sq_attr.wq_attr.log_wq_stride = rte_log2_u32(MLX5_WQE_SIZE);
+ sq_attr.wq_attr.log_wq_sz = log2above(wqe_n);
+ sq_attr.wq_attr.dbr_umem_valid = 1;
+ sq_attr.wq_attr.dbr_addr = txq_obj->sq_dbrec_offset;
+ sq_attr.wq_attr.dbr_umem_id =
+ mlx5_os_get_umem_id(txq_obj->sq_dbrec_page->umem);
+ sq_attr.wq_attr.wq_umem_valid = 1;
+ sq_attr.wq_attr.wq_umem_id = mlx5_os_get_umem_id(txq_obj->sq_umem);
+ sq_attr.wq_attr.wq_umem_offset = (uintptr_t)txq_obj->sq_buf % page_size;
+ /* Create Send Queue object with DevX. */
+ txq_obj->sq_devx = mlx5_devx_cmd_create_sq(priv->sh->ctx, &sq_attr);
+ if (!txq_obj->sq_devx) {
+ rte_errno = errno;
+ DRV_LOG(ERR, "Port %u Tx queue %u SQ creation failure.",
+ dev->data->port_id, idx);
+ goto error;
+ }
+ return wqe_n;
+error:
+ ret = rte_errno;
+ mlx5_txq_release_devx_sq_resources(txq_obj);
+ rte_errno = ret;
+ return 0;
+}
+#endif
+
+/**
+ * Create the Tx queue DevX object.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * Queue index in DPDK Tx queue array.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_txq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
+ struct mlx5_txq_ctrl *txq_ctrl =
+ container_of(txq_data, struct mlx5_txq_ctrl, txq);
+
+ if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN)
+ return mlx5_txq_obj_hairpin_new(dev, idx);
+#ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
+ DRV_LOG(ERR, "Port %u Tx queue %u cannot create with DevX, no UAR.",
+ dev->data->port_id, idx);
+ rte_errno = ENOMEM;
+ return -rte_errno;
+#else
+ struct mlx5_dev_ctx_shared *sh = priv->sh;
+ struct mlx5_txq_obj *txq_obj = txq_ctrl->obj;
+ void *reg_addr;
+ uint32_t cqe_n;
+ uint32_t wqe_n;
+ int ret = 0;
+
+ MLX5_ASSERT(txq_data);
+ MLX5_ASSERT(txq_obj);
+ txq_obj->txq_ctrl = txq_ctrl;
+ txq_obj->dev = dev;
+ cqe_n = mlx5_txq_create_devx_cq_resources(dev, idx);
+ if (!cqe_n) {
+ rte_errno = errno;
+ goto error;
+ }
+ txq_data->cqe_n = log2above(cqe_n);
+ txq_data->cqe_s = 1 << txq_data->cqe_n;
+ txq_data->cqe_m = txq_data->cqe_s - 1;
+ txq_data->cqes = (volatile struct mlx5_cqe *)txq_obj->cq_buf;
+ txq_data->cq_ci = 0;
+ txq_data->cq_pi = 0;
+ txq_data->cq_db = (volatile uint32_t *)(txq_obj->cq_dbrec_page->dbrs +
+ txq_obj->cq_dbrec_offset);
+ *txq_data->cq_db = 0;
+ /* Create Send Queue object with DevX. */
+ wqe_n = mlx5_txq_create_devx_sq_resources(dev, idx);
+ if (!wqe_n) {
+ rte_errno = errno;
+ goto error;
+ }
+ /* Create the Work Queue. */
+ txq_data->wqe_n = log2above(wqe_n);
+ txq_data->wqe_s = 1 << txq_data->wqe_n;
+ txq_data->wqe_m = txq_data->wqe_s - 1;
+ txq_data->wqes = (struct mlx5_wqe *)txq_obj->sq_buf;
+ txq_data->wqes_end = txq_data->wqes + txq_data->wqe_s;
+ txq_data->wqe_ci = 0;
+ txq_data->wqe_pi = 0;
+ txq_data->wqe_comp = 0;
+ txq_data->wqe_thres = txq_data->wqe_s / MLX5_TX_COMP_THRESH_INLINE_DIV;
+ txq_data->qp_db = (volatile uint32_t *)
+ (txq_obj->sq_dbrec_page->dbrs +
+ txq_obj->sq_dbrec_offset +
+ MLX5_SND_DBR * sizeof(uint32_t));
+ *txq_data->qp_db = 0;
+ txq_data->qp_num_8s = txq_obj->sq_devx->id << 8;
+ /* Change Send Queue state to Ready-to-Send. */
+ ret = mlx5_devx_modify_sq(txq_obj, MLX5_TXQ_MOD_RST2RDY, 0);
+ if (ret) {
+ rte_errno = errno;
+ DRV_LOG(ERR,
+ "Port %u Tx queue %u SQ state to SQC_STATE_RDY failed.",
+ dev->data->port_id, idx);
+ goto error;
+ }
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ /*
+ * If using DevX need to query and store TIS transport domain value.
+ * This is done once per port.
+ * Will use this value on Rx, when creating matching TIR.
+ */
+ if (!priv->sh->tdn)
+ priv->sh->tdn = priv->sh->td->id;
+#endif
+ MLX5_ASSERT(sh->tx_uar);
+ reg_addr = mlx5_os_get_devx_uar_reg_addr(sh->tx_uar);
+ MLX5_ASSERT(reg_addr);
+ txq_ctrl->bf_reg = reg_addr;
+ txq_ctrl->uar_mmap_offset =
+ mlx5_os_get_devx_uar_mmap_offset(sh->tx_uar);
+ txq_uar_init(txq_ctrl);
+ return 0;
+error:
+ ret = rte_errno; /* Save rte_errno before cleanup. */
+ mlx5_txq_release_devx_resources(txq_obj);
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
+#endif
+}
+
+/**
+ * Release an Tx DevX queue object.
+ *
+ * @param txq_obj
+ * DevX Tx queue object.
+ */
+void
+mlx5_txq_devx_obj_release(struct mlx5_txq_obj *txq_obj)
+{
+ MLX5_ASSERT(txq_obj);
+ if (txq_obj->txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
+ if (txq_obj->tis)
+ claim_zero(mlx5_devx_cmd_destroy(txq_obj->tis));
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+ } else {
+ mlx5_txq_release_devx_resources(txq_obj);
+#endif
+ }
+}
+
struct mlx5_obj_ops devx_obj_ops = {
.rxq_obj_modify_vlan_strip = mlx5_rxq_obj_modify_rq_vlan_strip,
.rxq_obj_new = mlx5_rxq_devx_obj_new,
.rxq_event_get = mlx5_rx_devx_get_event,
.rxq_obj_modify = mlx5_devx_modify_rq,
.rxq_obj_release = mlx5_rxq_devx_obj_release,
- .ind_table_obj_new = mlx5_devx_ind_table_obj_new,
- .ind_table_obj_destroy = mlx5_devx_ind_table_obj_destroy,
+ .ind_table_new = mlx5_devx_ind_table_new,
+ .ind_table_destroy = mlx5_devx_ind_table_destroy,
+ .hrxq_new = mlx5_devx_hrxq_new,
+ .hrxq_destroy = mlx5_devx_tir_destroy,
+ .drop_action_create = mlx5_devx_drop_action_create,
+ .drop_action_destroy = mlx5_devx_drop_action_destroy,
+ .txq_obj_new = mlx5_txq_devx_obj_new,
+ .txq_obj_modify = mlx5_devx_modify_sq,
+ .txq_obj_release = mlx5_txq_devx_obj_release,
};