- /* Override some values set by hardware configuration. */
- mlx5_args(config, dpdk_dev->devargs);
- /* 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;
- }
-#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",
- (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
- config->ind_table_max_size =
- sh->device_attr.max_rwq_indirection_table_size;
- /*
- * Remove this check once DPDK supports larger/variable
- * indirection tables.
- */
- if (config->ind_table_max_size > (unsigned int)RTE_ETH_RSS_RETA_SIZE_512)
- config->ind_table_max_size = RTE_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);
-#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.max_tso > 0 &&
- (sh->device_attr.tso_supported_qpts &
- (1 << IBV_QPT_RAW_PACKET)));
- if (config->tso)
- config->tso_max_payload_sz = sh->device_attr.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 ? "legacy " : "",
- config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
- if (sh->devx) {
- config->hca_attr = sh->cdev->config.hca_attr;
- sh->steering_format_version =
- config->hca_attr.steering_format_version;
- /* 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);
- DRV_LOG(DEBUG, "LRO minimal size of TCP segment "
- "required for coalescing is %d bytes",
- config->hca_attr.lro_min_mss_size);
- }