When some failure occurrs in the flow_hw_create_ctrl_tables(), the "rte_flow_error" should be set properly with all needed information. Then the rte_errno and the "message" will reflect the actual failure.
This will also solve the crash when trying to access the "message". Fixes: 1939eb6f660c ("net/mlx5: support flow port action with HWS") Fixes: 483181f7b6dd ("net/mlx5: support device control of representor matching") Fixes: ddb68e47331e ("net/mlx5: add extended metadata mode for HWS") Cc: dsosnow...@nvidia.com Cc: sta...@dpdk.org Signed-off-by: Bing Zhao <bi...@nvidia.com> Reviewed-by: Suanming Mou <suanmi...@nvidia.com> Acked-by: Ori Kam <or...@nvidia.com> --- v2: add CC stable --- drivers/net/mlx5/mlx5_flow_hw.c | 176 +++++++++++++++++++------------- 1 file changed, 106 insertions(+), 70 deletions(-) diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c index 87584c1e94..4163fe23e6 100644 --- a/drivers/net/mlx5/mlx5_flow_hw.c +++ b/drivers/net/mlx5/mlx5_flow_hw.c @@ -5421,7 +5421,7 @@ flow_hw_pattern_template_create(struct rte_eth_dev *dev, struct rte_flow_pattern_template *it; struct rte_flow_item *copied_items = NULL; const struct rte_flow_item *tmpl_items; - uint64_t orig_item_nb; + uint32_t orig_item_nb; struct rte_flow_item port = { .type = RTE_FLOW_ITEM_TYPE_REPRESENTED_PORT, .mask = &rte_flow_item_ethdev_mask, @@ -6242,12 +6242,15 @@ flow_hw_esw_mgr_regc_marker(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow pattern template on success, NULL otherwise. */ static struct rte_flow_pattern_template * -flow_hw_create_ctrl_esw_mgr_pattern_template(struct rte_eth_dev *dev) +flow_hw_create_ctrl_esw_mgr_pattern_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_pattern_template_attr attr = { .relaxed_matching = 0, @@ -6277,7 +6280,7 @@ flow_hw_create_ctrl_esw_mgr_pattern_template(struct rte_eth_dev *dev) }, }; - return flow_hw_pattern_template_create(dev, &attr, items, NULL); + return flow_hw_pattern_template_create(dev, &attr, items, error); } /** @@ -6290,12 +6293,15 @@ flow_hw_create_ctrl_esw_mgr_pattern_template(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow pattern template on success, NULL otherwise. */ static struct rte_flow_pattern_template * -flow_hw_create_ctrl_regc_sq_pattern_template(struct rte_eth_dev *dev) +flow_hw_create_ctrl_regc_sq_pattern_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_pattern_template_attr attr = { .relaxed_matching = 0, @@ -6328,7 +6334,7 @@ flow_hw_create_ctrl_regc_sq_pattern_template(struct rte_eth_dev *dev) }, }; - return flow_hw_pattern_template_create(dev, &attr, items, NULL); + return flow_hw_pattern_template_create(dev, &attr, items, error); } /** @@ -6338,12 +6344,15 @@ flow_hw_create_ctrl_regc_sq_pattern_template(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow pattern template on success, NULL otherwise. */ static struct rte_flow_pattern_template * -flow_hw_create_ctrl_port_pattern_template(struct rte_eth_dev *dev) +flow_hw_create_ctrl_port_pattern_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_pattern_template_attr attr = { .relaxed_matching = 0, @@ -6362,7 +6371,7 @@ flow_hw_create_ctrl_port_pattern_template(struct rte_eth_dev *dev) }, }; - return flow_hw_pattern_template_create(dev, &attr, items, NULL); + return flow_hw_pattern_template_create(dev, &attr, items, error); } /* @@ -6372,12 +6381,15 @@ flow_hw_create_ctrl_port_pattern_template(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow pattern template on success, NULL otherwise. */ static struct rte_flow_pattern_template * -flow_hw_create_tx_default_mreg_copy_pattern_template(struct rte_eth_dev *dev) +flow_hw_create_tx_default_mreg_copy_pattern_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_pattern_template_attr tx_pa_attr = { .relaxed_matching = 0, @@ -6398,10 +6410,8 @@ flow_hw_create_tx_default_mreg_copy_pattern_template(struct rte_eth_dev *dev) .type = RTE_FLOW_ITEM_TYPE_END, }, }; - struct rte_flow_error drop_err; - RTE_SET_USED(drop_err); - return flow_hw_pattern_template_create(dev, &tx_pa_attr, eth_all, &drop_err); + return flow_hw_pattern_template_create(dev, &tx_pa_attr, eth_all, error); } /** @@ -6412,12 +6422,15 @@ flow_hw_create_tx_default_mreg_copy_pattern_template(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow actions template on success, NULL otherwise. */ static struct rte_flow_actions_template * -flow_hw_create_ctrl_regc_jump_actions_template(struct rte_eth_dev *dev) +flow_hw_create_ctrl_regc_jump_actions_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { uint32_t marker_mask = flow_hw_esw_mgr_regc_marker_mask(dev); uint32_t marker_bits = flow_hw_esw_mgr_regc_marker(dev); @@ -6484,7 +6497,7 @@ flow_hw_create_ctrl_regc_jump_actions_template(struct rte_eth_dev *dev) set_reg_v.dst.offset = rte_bsf32(marker_mask); rte_memcpy(set_reg_v.src.value, &marker_bits, sizeof(marker_bits)); rte_memcpy(set_reg_m.src.value, &marker_mask, sizeof(marker_mask)); - return flow_hw_actions_template_create(dev, &attr, actions_v, actions_m, NULL); + return flow_hw_actions_template_create(dev, &attr, actions_v, actions_m, error); } /** @@ -6496,13 +6509,16 @@ flow_hw_create_ctrl_regc_jump_actions_template(struct rte_eth_dev *dev) * Pointer to Ethernet device. * @param group * Destination group for this action template. + * @param error + * Pointer to error structure. * * @return * Pointer to flow actions template on success, NULL otherwise. */ static struct rte_flow_actions_template * flow_hw_create_ctrl_jump_actions_template(struct rte_eth_dev *dev, - uint32_t group) + uint32_t group, + struct rte_flow_error *error) { struct rte_flow_actions_template_attr attr = { .transfer = 1, @@ -6532,8 +6548,8 @@ flow_hw_create_ctrl_jump_actions_template(struct rte_eth_dev *dev, } }; - return flow_hw_actions_template_create(dev, &attr, actions_v, actions_m, - NULL); + return flow_hw_actions_template_create(dev, &attr, actions_v, + actions_m, error); } /** @@ -6542,12 +6558,15 @@ flow_hw_create_ctrl_jump_actions_template(struct rte_eth_dev *dev, * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow action template on success, NULL otherwise. */ static struct rte_flow_actions_template * -flow_hw_create_ctrl_port_actions_template(struct rte_eth_dev *dev) +flow_hw_create_ctrl_port_actions_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_actions_template_attr attr = { .transfer = 1, @@ -6577,8 +6596,7 @@ flow_hw_create_ctrl_port_actions_template(struct rte_eth_dev *dev) } }; - return flow_hw_actions_template_create(dev, &attr, actions_v, actions_m, - NULL); + return flow_hw_actions_template_create(dev, &attr, actions_v, actions_m, error); } /* @@ -6587,12 +6605,15 @@ flow_hw_create_ctrl_port_actions_template(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return * Pointer to flow actions template on success, NULL otherwise. */ static struct rte_flow_actions_template * -flow_hw_create_tx_default_mreg_copy_actions_template(struct rte_eth_dev *dev) +flow_hw_create_tx_default_mreg_copy_actions_template(struct rte_eth_dev *dev, + struct rte_flow_error *error) { struct rte_flow_actions_template_attr tx_act_attr = { .egress = 1, @@ -6657,11 +6678,9 @@ flow_hw_create_tx_default_mreg_copy_actions_template(struct rte_eth_dev *dev) .type = RTE_FLOW_ACTION_TYPE_END, }, }; - struct rte_flow_error drop_err; - RTE_SET_USED(drop_err); return flow_hw_actions_template_create(dev, &tx_act_attr, actions, - masks, &drop_err); + masks, error); } /** @@ -6674,6 +6693,8 @@ flow_hw_create_tx_default_mreg_copy_actions_template(struct rte_eth_dev *dev) * Pointer to flow pattern template. * @param at * Pointer to flow actions template. + * @param error + * Pointer to error structure. * * @return * Pointer to flow table on success, NULL otherwise. @@ -6681,7 +6702,8 @@ flow_hw_create_tx_default_mreg_copy_actions_template(struct rte_eth_dev *dev) static struct rte_flow_template_table* flow_hw_create_ctrl_sq_miss_root_table(struct rte_eth_dev *dev, struct rte_flow_pattern_template *it, - struct rte_flow_actions_template *at) + struct rte_flow_actions_template *at, + struct rte_flow_error *error) { struct rte_flow_template_table_attr attr = { .flow_attr = { @@ -6698,7 +6720,7 @@ flow_hw_create_ctrl_sq_miss_root_table(struct rte_eth_dev *dev, .external = false, }; - return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, NULL); + return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, error); } @@ -6712,6 +6734,8 @@ flow_hw_create_ctrl_sq_miss_root_table(struct rte_eth_dev *dev, * Pointer to flow pattern template. * @param at * Pointer to flow actions template. + * @param error + * Pointer to error structure. * * @return * Pointer to flow table on success, NULL otherwise. @@ -6719,7 +6743,8 @@ flow_hw_create_ctrl_sq_miss_root_table(struct rte_eth_dev *dev, static struct rte_flow_template_table* flow_hw_create_ctrl_sq_miss_table(struct rte_eth_dev *dev, struct rte_flow_pattern_template *it, - struct rte_flow_actions_template *at) + struct rte_flow_actions_template *at, + struct rte_flow_error *error) { struct rte_flow_template_table_attr attr = { .flow_attr = { @@ -6736,7 +6761,7 @@ flow_hw_create_ctrl_sq_miss_table(struct rte_eth_dev *dev, .external = false, }; - return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, NULL); + return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, error); } /* @@ -6748,6 +6773,8 @@ flow_hw_create_ctrl_sq_miss_table(struct rte_eth_dev *dev, * Pointer to flow pattern template. * @param at * Pointer to flow actions template. + * @param error + * Pointer to error structure. * * @return * Pointer to flow table on success, NULL otherwise. @@ -6755,7 +6782,8 @@ flow_hw_create_ctrl_sq_miss_table(struct rte_eth_dev *dev, static struct rte_flow_template_table* flow_hw_create_tx_default_mreg_copy_table(struct rte_eth_dev *dev, struct rte_flow_pattern_template *pt, - struct rte_flow_actions_template *at) + struct rte_flow_actions_template *at, + struct rte_flow_error *error) { struct rte_flow_template_table_attr tx_tbl_attr = { .flow_attr = { @@ -6769,14 +6797,8 @@ flow_hw_create_tx_default_mreg_copy_table(struct rte_eth_dev *dev, .attr = tx_tbl_attr, .external = false, }; - struct rte_flow_error drop_err = { - .type = RTE_FLOW_ERROR_TYPE_NONE, - .cause = NULL, - .message = NULL, - }; - RTE_SET_USED(drop_err); - return flow_hw_table_create(dev, &tx_tbl_cfg, &pt, 1, &at, 1, &drop_err); + return flow_hw_table_create(dev, &tx_tbl_cfg, &pt, 1, &at, 1, error); } /** @@ -6789,6 +6811,8 @@ flow_hw_create_tx_default_mreg_copy_table(struct rte_eth_dev *dev, * Pointer to flow pattern template. * @param at * Pointer to flow actions template. + * @param error + * Pointer to error structure. * * @return * Pointer to flow table on success, NULL otherwise. @@ -6796,7 +6820,8 @@ flow_hw_create_tx_default_mreg_copy_table(struct rte_eth_dev *dev, static struct rte_flow_template_table * flow_hw_create_ctrl_jump_table(struct rte_eth_dev *dev, struct rte_flow_pattern_template *it, - struct rte_flow_actions_template *at) + struct rte_flow_actions_template *at, + struct rte_flow_error *error) { struct rte_flow_template_table_attr attr = { .flow_attr = { @@ -6813,7 +6838,7 @@ flow_hw_create_ctrl_jump_table(struct rte_eth_dev *dev, .external = false, }; - return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, NULL); + return flow_hw_table_create(dev, &cfg, &it, 1, &at, 1, error); } /** @@ -6822,12 +6847,14 @@ flow_hw_create_ctrl_jump_table(struct rte_eth_dev *dev, * * @param dev * Pointer to Ethernet device. + * @param error + * Pointer to error structure. * * @return - * 0 on success, EINVAL otherwise + * 0 on success, negative values otherwise */ static __rte_unused int -flow_hw_create_ctrl_tables(struct rte_eth_dev *dev) +flow_hw_create_ctrl_tables(struct rte_eth_dev *dev, struct rte_flow_error *error) { struct mlx5_priv *priv = dev->data->dev_private; struct rte_flow_pattern_template *esw_mgr_items_tmpl = NULL; @@ -6840,96 +6867,107 @@ flow_hw_create_ctrl_tables(struct rte_eth_dev *dev) struct rte_flow_actions_template *tx_meta_actions_tmpl = NULL; uint32_t xmeta = priv->sh->config.dv_xmeta_en; uint32_t repr_matching = priv->sh->config.repr_matching; + int ret; /* Create templates and table for default SQ miss flow rules - root table. */ - esw_mgr_items_tmpl = flow_hw_create_ctrl_esw_mgr_pattern_template(dev); + esw_mgr_items_tmpl = flow_hw_create_ctrl_esw_mgr_pattern_template(dev, error); if (!esw_mgr_items_tmpl) { DRV_LOG(ERR, "port %u failed to create E-Switch Manager item" " template for control flows", dev->data->port_id); - goto error; + goto err; } - regc_jump_actions_tmpl = flow_hw_create_ctrl_regc_jump_actions_template(dev); + regc_jump_actions_tmpl = flow_hw_create_ctrl_regc_jump_actions_template(dev, error); if (!regc_jump_actions_tmpl) { DRV_LOG(ERR, "port %u failed to create REG_C set and jump action template" " for control flows", dev->data->port_id); - goto error; + goto err; } MLX5_ASSERT(priv->hw_esw_sq_miss_root_tbl == NULL); priv->hw_esw_sq_miss_root_tbl = flow_hw_create_ctrl_sq_miss_root_table - (dev, esw_mgr_items_tmpl, regc_jump_actions_tmpl); + (dev, esw_mgr_items_tmpl, regc_jump_actions_tmpl, error); if (!priv->hw_esw_sq_miss_root_tbl) { DRV_LOG(ERR, "port %u failed to create table for default sq miss (root table)" " for control flows", dev->data->port_id); - goto error; + goto err; } /* Create templates and table for default SQ miss flow rules - non-root table. */ - regc_sq_items_tmpl = flow_hw_create_ctrl_regc_sq_pattern_template(dev); + regc_sq_items_tmpl = flow_hw_create_ctrl_regc_sq_pattern_template(dev, error); if (!regc_sq_items_tmpl) { DRV_LOG(ERR, "port %u failed to create SQ item template for" " control flows", dev->data->port_id); - goto error; + goto err; } - port_actions_tmpl = flow_hw_create_ctrl_port_actions_template(dev); + port_actions_tmpl = flow_hw_create_ctrl_port_actions_template(dev, error); if (!port_actions_tmpl) { DRV_LOG(ERR, "port %u failed to create port action template" " for control flows", dev->data->port_id); - goto error; + goto err; } MLX5_ASSERT(priv->hw_esw_sq_miss_tbl == NULL); priv->hw_esw_sq_miss_tbl = flow_hw_create_ctrl_sq_miss_table(dev, regc_sq_items_tmpl, - port_actions_tmpl); + port_actions_tmpl, error); if (!priv->hw_esw_sq_miss_tbl) { DRV_LOG(ERR, "port %u failed to create table for default sq miss (non-root table)" " for control flows", dev->data->port_id); - goto error; + goto err; } /* Create templates and table for default FDB jump flow rules. */ - port_items_tmpl = flow_hw_create_ctrl_port_pattern_template(dev); + port_items_tmpl = flow_hw_create_ctrl_port_pattern_template(dev, error); if (!port_items_tmpl) { DRV_LOG(ERR, "port %u failed to create SQ item template for" " control flows", dev->data->port_id); - goto error; + goto err; } jump_one_actions_tmpl = flow_hw_create_ctrl_jump_actions_template - (dev, MLX5_HW_LOWEST_USABLE_GROUP); + (dev, MLX5_HW_LOWEST_USABLE_GROUP, error); if (!jump_one_actions_tmpl) { DRV_LOG(ERR, "port %u failed to create jump action template" " for control flows", dev->data->port_id); - goto error; + goto err; } MLX5_ASSERT(priv->hw_esw_zero_tbl == NULL); priv->hw_esw_zero_tbl = flow_hw_create_ctrl_jump_table(dev, port_items_tmpl, - jump_one_actions_tmpl); + jump_one_actions_tmpl, + error); if (!priv->hw_esw_zero_tbl) { DRV_LOG(ERR, "port %u failed to create table for default jump to group 1" " for control flows", dev->data->port_id); - goto error; + goto err; } /* Create templates and table for default Tx metadata copy flow rule. */ if (!repr_matching && xmeta == MLX5_XMETA_MODE_META32_HWS) { - tx_meta_items_tmpl = flow_hw_create_tx_default_mreg_copy_pattern_template(dev); + tx_meta_items_tmpl = + flow_hw_create_tx_default_mreg_copy_pattern_template(dev, error); if (!tx_meta_items_tmpl) { DRV_LOG(ERR, "port %u failed to Tx metadata copy pattern" " template for control flows", dev->data->port_id); - goto error; + goto err; } - tx_meta_actions_tmpl = flow_hw_create_tx_default_mreg_copy_actions_template(dev); + tx_meta_actions_tmpl = + flow_hw_create_tx_default_mreg_copy_actions_template(dev, error); if (!tx_meta_actions_tmpl) { DRV_LOG(ERR, "port %u failed to Tx metadata copy actions" " template for control flows", dev->data->port_id); - goto error; + goto err; } MLX5_ASSERT(priv->hw_tx_meta_cpy_tbl == NULL); - priv->hw_tx_meta_cpy_tbl = flow_hw_create_tx_default_mreg_copy_table(dev, - tx_meta_items_tmpl, tx_meta_actions_tmpl); + priv->hw_tx_meta_cpy_tbl = + flow_hw_create_tx_default_mreg_copy_table(dev, tx_meta_items_tmpl, + tx_meta_actions_tmpl, error); if (!priv->hw_tx_meta_cpy_tbl) { DRV_LOG(ERR, "port %u failed to create table for default" " Tx metadata copy flow rule", dev->data->port_id); - goto error; + goto err; } } return 0; -error: +err: + /* Do not overwrite the rte_errno. */ + ret = -rte_errno; + if (ret == 0) + ret = rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, + "Failed to create control tables."); if (priv->hw_esw_zero_tbl) { flow_hw_table_destroy(dev, priv->hw_esw_zero_tbl, NULL); priv->hw_esw_zero_tbl = NULL; @@ -6958,7 +6996,7 @@ flow_hw_create_ctrl_tables(struct rte_eth_dev *dev) flow_hw_pattern_template_destroy(dev, regc_sq_items_tmpl, NULL); if (esw_mgr_items_tmpl) flow_hw_pattern_template_destroy(dev, esw_mgr_items_tmpl, NULL); - return -EINVAL; + return ret; } static void @@ -7834,11 +7872,9 @@ flow_hw_configure(struct rte_eth_dev *dev, NULL, "Failed to create vport actions."); goto err; } - ret = flow_hw_create_ctrl_tables(dev); - if (ret) { - rte_errno = -ret; + ret = flow_hw_create_ctrl_tables(dev, error); + if (ret) goto err; - } } if (!priv->shared_host) flow_hw_create_send_to_kernel_actions(priv); -- 2.34.1