/* Flow memory reclaim mode. */
#define MLX5_RECLAIM_MEM "reclaim_mem_mode"
+/* The default memory allocator used in PMD. */
+#define MLX5_SYS_MEM_EN "sys_mem_en"
+
static const char *MZ_MLX5_PMD_SHARED_DATA = "mlx5_pmd_shared_data";
/* Shared memory between primary and secondary processes. */
mlx5_ipool_destroy(sh->ipool[i]);
}
+/*
+ * Check if dynamic flex parser for eCPRI already exists.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * true on exists, false on not.
+ */
+bool
+mlx5_flex_parser_ecpri_exist(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];
+
+ 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;
+
+ 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(ERR, "Failed to query sample IDs.");
+ return (rte_errno == 0) ? -ENODEV : -rte_errno;
+ }
+ prf->offset[0] = 0x0;
+ prf->offset[1] = sizeof(uint32_t);
+ prf->ids[0] = ids[0];
+ prf->ids[1] = ids[1];
+ return 0;
+}
+
+/*
+ * 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 shared device context. If there is multiport device the
* master and representors will share this context, if there is single
err = ENOMEM;
goto error;
}
+ sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, 0);
+ if (!sh->tx_uar) {
+ DRV_LOG(ERR, "Failed to allocate DevX UAR.");
+ err = ENOMEM;
+ goto error;
+ }
}
sh->flow_id_pool = mlx5_flow_id_pool_alloc
((1 << HAIRPIN_FLOW_ID_BITS) - 1);
pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
return sh;
error:
+ 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);
sh->cnt_id_tbl = NULL;
}
+ if (sh->tx_uar) {
+ mlx5_glue->devx_free_uar(sh->tx_uar);
+ sh->tx_uar = NULL;
+ }
if (sh->tis)
claim_zero(mlx5_devx_cmd_destroy(sh->tis));
if (sh->td)
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;
+ }
if (sh->pd)
claim_zero(mlx5_glue->dealloc_pd(sh->pd));
if (sh->tis)
claim_zero(mlx5_glue->close_device(sh->ctx));
if (sh->flow_id_pool)
mlx5_flow_id_pool_release(sh->flow_id_pool);
+ pthread_mutex_destroy(&sh->txpp.mutex);
rte_free(sh);
exit:
pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
rte_wmb();
/* Disable datapath on secondary process. */
mlx5_mp_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);
return -rte_errno;
}
config->reclaim_mode = tmp;
+ } else if (strcmp(MLX5_SYS_MEM_EN, key) == 0) {
+ config->sys_mem_en = !!tmp;
} else {
DRV_LOG(WARNING, "%s: unknown parameter", key);
rte_errno = EINVAL;
MLX5_CLASS_ARG_NAME,
MLX5_HP_BUF_SIZE,
MLX5_RECLAIM_MEM,
+ MLX5_SYS_MEM_EN,
NULL,
};
struct rte_kvargs *kvlist;
git.droids-corp.org / dpdk.git / blobdiff