* Pointer to mlx5 device attributes.
*
* @return
- * 0 on success, non zero error number otherwise
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_os_get_dev_attr(struct mlx5_common_device *cdev,
memset(device_attr, 0, sizeof(*device_attr));
err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
- if (err)
- return err;
+ if (err) {
+ rte_errno = errno;
+ return -rte_errno;
+ }
device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
device_attr->max_sge = attr_ex.orig_attr.max_sge;
struct mlx5dv_context dv_attr = { .comp_mask = 0 };
err = mlx5_glue->dv_query_device(ctx, &dv_attr);
- if (err)
- return err;
+ if (err) {
+ rte_errno = errno;
+ return -rte_errno;
+ }
device_attr->flags = dv_attr.flags;
device_attr->comp_mask = dv_attr.comp_mask;
strlcpy(device_attr->fw_ver, attr_ex.orig_attr.fw_ver,
sizeof(device_attr->fw_ver));
- return err;
+ return 0;
}
/**
mlx5_dev_close(eth_dev);
return NULL;
}
- /*
- * Some parameters ("tx_db_nc" in particularly) are needed in
- * advance to create dv/verbs device context. We proceed the
- * devargs here to get ones, and later proceed devargs again
- * to override some hardware settings.
- */
+ /* Process parameters. */
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;
+ return NULL;
}
+ sh = mlx5_alloc_shared_dev_ctx(spawn, config);
+ if (!sh)
+ return NULL;
+ /* Update final values for devargs before check sibling config. */
if (config->dv_miss_info) {
if (switch_info->master || switch_info->representor)
config->dv_xmeta_en = MLX5_XMETA_MODE_META16;
}
- sh = mlx5_alloc_shared_dev_ctx(spawn, config);
- if (!sh)
- return NULL;
+#if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
+ if (config->dv_flow_en) {
+ DRV_LOG(WARNING, "DV flow is not supported.");
+ config->dv_flow_en = 0;
+ }
+#endif
+#ifdef HAVE_MLX5DV_DR_ESWITCH
+ if (!(sh->cdev->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
+ if (!config->dv_esw_en &&
+ config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
+ DRV_LOG(WARNING,
+ "Metadata mode %u is not supported (no E-Switch).",
+ config->dv_xmeta_en);
+ config->dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
+ }
+ /* Check sibling device configurations. */
+ err = mlx5_dev_check_sibling_config(sh, config, dpdk_dev);
+ if (err)
+ goto error;
#ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
config->dest_tir = 1;
#endif
mprq_caps.max_single_wqe_log_num_of_strides;
}
#endif
- /* Rx CQE compression is enabled by default. */
- config->cqe_comp = 1;
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
config->tunnel_en = dv_attr.tunnel_offloads_caps &
DRV_LOG(DEBUG, "dev_port-%u new domain_id=%u\n",
priv->dev_port, priv->domain_id);
}
- /* Override some values set by hardware configuration. */
- mlx5_args(config, dpdk_dev->devargs);
- /* Update final values for devargs before check sibling config. */
-#if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
- if (config->dv_flow_en) {
- DRV_LOG(WARNING, "DV flow is not supported.");
- config->dv_flow_en = 0;
- }
-#endif
-#ifdef HAVE_MLX5DV_DR_ESWITCH
- if (!(sh->cdev->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
- 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;
- }
- /* Check sibling device configurations. */
- err = mlx5_dev_check_sibling_config(priv, config, dpdk_dev);
- 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",
{
memset(config, 0, sizeof(*config));
config->mps = MLX5_ARG_UNSET;
+ config->cqe_comp = 1;
config->rx_vec_en = 1;
config->txq_inline_max = MLX5_ARG_UNSET;
config->txq_inline_min = MLX5_ARG_UNSET;