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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2022 07:33:31.3200 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3df53130-f5fa-43af-a1a3-08da34b2e145 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.234]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT059.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR12MB3282 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch adds the support of meter action for yellow meter policy flow, so can use meter action for both green and yellow policy flows in meter hierarchy. Currently must use the same meter within one meter policy. Packets passing green/yellow policy flow will have previous meter color of green/yellow in subsequent meter. Signed-off-by: Shun Hao Acked-by: Matan Azard --- drivers/net/mlx5/mlx5.c | 8 ++- drivers/net/mlx5/mlx5.h | 8 ++- drivers/net/mlx5/mlx5_flow_dv.c | 100 ++++++++++++++++++++++------- drivers/net/mlx5/mlx5_flow_meter.c | 57 +++++++++++----- 4 files changed, 132 insertions(+), 41 deletions(-) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 72b1e35673..f0988712df 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -686,10 +686,14 @@ mlx5_aso_flow_mtrs_mng_close(struct mlx5_dev_ctx_shared *sh) #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO for (i = 0; i < MLX5_ASO_MTRS_PER_POOL; i++) { aso_mtr = &mtr_pool->mtrs[i]; - if (aso_mtr->fm.meter_action) + if (aso_mtr->fm.meter_action_g) claim_zero (mlx5_glue->destroy_flow_action - (aso_mtr->fm.meter_action)); + (aso_mtr->fm.meter_action_g)); + if (aso_mtr->fm.meter_action_y) + claim_zero + (mlx5_glue->destroy_flow_action + (aso_mtr->fm.meter_action_y)); } #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */ claim_zero(mlx5_devx_cmd_destroy diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index c92ce6b527..ef755ee8cf 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -869,8 +869,10 @@ struct mlx5_flow_meter_info { /**< Use count. */ struct mlx5_indexed_pool *flow_ipool; /**< Index pool for flow id. */ - void *meter_action; + void *meter_action_g; /**< Flow meter action. */ + void *meter_action_y; + /**< Flow meter action for yellow init_color. */ }; /* PPS(packets per second) map to BPS(Bytes per second). @@ -1873,6 +1875,10 @@ struct mlx5_flow_meter_policy *mlx5_flow_meter_policy_find (struct rte_eth_dev *dev, uint32_t policy_id, uint32_t *policy_idx); +struct mlx5_flow_meter_info * +mlx5_flow_meter_hierarchy_next_meter(struct mlx5_priv *priv, + struct mlx5_flow_meter_policy *policy, + uint32_t *mtr_idx); struct mlx5_flow_meter_policy * mlx5_flow_meter_hierarchy_get_final_policy(struct rte_eth_dev *dev, struct mlx5_flow_meter_policy *policy); diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index f9c56204c4..ee7a32acc8 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -6534,13 +6534,13 @@ flow_dv_mtr_alloc(struct rte_eth_dev *dev) struct mlx5_aso_mtr_pool, mtrs[mtr_free->offset]); mtr_idx = MLX5_MAKE_MTR_IDX(pool->index, mtr_free->offset); - if (!mtr_free->fm.meter_action) { + if (!mtr_free->fm.meter_action_g) { #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO struct rte_flow_error error; uint8_t reg_id; reg_id = mlx5_flow_get_reg_id(dev, MLX5_MTR_COLOR, 0, &error); - mtr_free->fm.meter_action = + mtr_free->fm.meter_action_g = mlx5_glue->dv_create_flow_action_aso (priv->sh->rx_domain, pool->devx_obj->obj, @@ -6548,7 +6548,7 @@ flow_dv_mtr_alloc(struct rte_eth_dev *dev) (1 << MLX5_FLOW_COLOR_GREEN), reg_id - REG_C_0); #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */ - if (!mtr_free->fm.meter_action) { + if (!mtr_free->fm.meter_action_g) { flow_dv_aso_mtr_release_to_pool(dev, mtr_idx); return 0; } @@ -13401,7 +13401,7 @@ flow_dv_translate(struct rte_eth_dev *dev, NULL, "Failed to get meter in flow."); /* Set the meter action. */ dev_flow->dv.actions[actions_n++] = - wks->fm->meter_action; + wks->fm->meter_action_g; action_flags |= MLX5_FLOW_ACTION_METER; break; case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP: @@ -15427,7 +15427,7 @@ __flow_dv_destroy_sub_policy_rules(struct rte_eth_dev *dev, for (i = 0; i < RTE_COLORS; i++) { next_fm = NULL; - if (i == RTE_COLOR_GREEN && policy && + if (i <= RTE_COLOR_YELLOW && policy && policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR) next_fm = mlx5_flow_meter_find(priv, policy->act_cnt[i].next_mtr_id, NULL); @@ -15551,6 +15551,51 @@ flow_dv_destroy_mtr_policy_acts(struct rte_eth_dev *dev, mtr_policy->dr_drop_action[j] = NULL; } +/** + * Create yellow action for color aware meter. + * + * @param[in] dev + * Pointer to the Ethernet device structure. + * @param[in] fm + * Meter information table. + * @param[out] error + * Perform verbose error reporting if not NULL. Initialized in case of + * error only. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +static int +__flow_dv_create_mtr_yellow_action(struct rte_eth_dev *dev, + struct mlx5_flow_meter_info *fm, + struct rte_mtr_error *error) +{ +#ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO + struct mlx5_priv *priv = dev->data->dev_private; + struct rte_flow_error flow_err; + struct mlx5_aso_mtr *aso_mtr; + struct mlx5_aso_mtr_pool *pool; + uint8_t reg_id; + + aso_mtr = container_of(fm, struct mlx5_aso_mtr, fm); + pool = container_of(aso_mtr, struct mlx5_aso_mtr_pool, mtrs[aso_mtr->offset]); + reg_id = mlx5_flow_get_reg_id(dev, MLX5_MTR_COLOR, 0, &flow_err); + fm->meter_action_y = + mlx5_glue->dv_create_flow_action_aso(priv->sh->rx_domain, + pool->devx_obj->obj, + aso_mtr->offset, + (1 << MLX5_FLOW_COLOR_YELLOW), + reg_id - REG_C_0); +#else + RTE_SET_USED(dev); +#endif + if (!fm->meter_action_y) { + return -rte_mtr_error_set(error, EINVAL, RTE_MTR_ERROR_TYPE_MTR_ID, NULL, + "Fail to create yellow meter action."); + } + return 0; +} + /** * Create policy action per domain, lock free, * (mutex should be acquired by caller). @@ -15870,7 +15915,7 @@ __flow_dv_create_domain_policy_acts(struct rte_eth_dev *dev, break; } /* - * No need to check meter hierarchy for Y or R colors + * No need to check meter hierarchy for R colors * here since it is done in the validation stage. */ case RTE_FLOW_ACTION_TYPE_METER: @@ -15921,6 +15966,10 @@ __flow_dv_create_domain_policy_acts(struct rte_eth_dev *dev, action_flags |= MLX5_FLOW_ACTION_SET_TAG; } + if (i == RTE_COLOR_YELLOW && next_fm->color_aware && + !next_fm->meter_action_y) + if (__flow_dv_create_mtr_yellow_action(dev, next_fm, error)) + return -rte_errno; act_cnt->fate_action = MLX5_FLOW_FATE_MTR; act_cnt->next_mtr_id = next_fm->meter_id; act_cnt->next_sub_policy = NULL; @@ -16519,7 +16568,7 @@ __flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev, struct mlx5_flow_dv_tag_resource *tag; struct mlx5_flow_dv_port_id_action_resource *port_action; struct mlx5_hrxq *hrxq; - struct mlx5_flow_meter_info *next_fm = NULL; + struct mlx5_flow_meter_info *next_fm[RTE_COLORS] = {NULL}; struct mlx5_flow_meter_policy *next_policy; struct mlx5_flow_meter_sub_policy *next_sub_policy; struct mlx5_flow_tbl_data_entry *tbl_data; @@ -16540,30 +16589,31 @@ __flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev, acts[i].actions_n = 1; continue; } - if (i == RTE_COLOR_GREEN && - mtr_policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR) { + if (mtr_policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR) { struct rte_flow_attr attr = { .transfer = transfer }; - next_fm = mlx5_flow_meter_find(priv, + next_fm[i] = mlx5_flow_meter_find(priv, mtr_policy->act_cnt[i].next_mtr_id, NULL); - if (!next_fm) { + if (!next_fm[i]) { DRV_LOG(ERR, "Failed to get next hierarchy meter."); goto err_exit; } - if (mlx5_flow_meter_attach(priv, next_fm, + if (mlx5_flow_meter_attach(priv, next_fm[i], &attr, &error)) { DRV_LOG(ERR, "%s", error.message); - next_fm = NULL; + next_fm[i] = NULL; goto err_exit; } /* Meter action must be the first for TX. */ if (mtr_first) { acts[i].dv_actions[acts[i].actions_n] = - next_fm->meter_action; + (next_fm[i]->color_aware && i == RTE_COLOR_YELLOW) ? + next_fm[i]->meter_action_y : + next_fm[i]->meter_action_g; acts[i].actions_n++; } } @@ -16621,14 +16671,16 @@ __flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev, acts[i].actions_n++; break; case MLX5_FLOW_FATE_MTR: - if (!next_fm) { + if (!next_fm[i]) { DRV_LOG(ERR, "No next hierarchy meter."); goto err_exit; } if (!mtr_first) { acts[i].dv_actions[acts[i].actions_n] = - next_fm->meter_action; + (next_fm[i]->color_aware && i == RTE_COLOR_YELLOW) ? + next_fm[i]->meter_action_y : + next_fm[i]->meter_action_g; acts[i].actions_n++; } if (mtr_policy->act_cnt[i].next_sub_policy) { @@ -16637,7 +16689,7 @@ __flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev, } else { next_policy = mlx5_flow_meter_policy_find(dev, - next_fm->policy_id, NULL); + next_fm[i]->policy_id, NULL); MLX5_ASSERT(next_policy); next_sub_policy = next_policy->sub_policys[domain][0]; @@ -16664,8 +16716,9 @@ __flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev, } return 0; err_exit: - if (next_fm) - mlx5_flow_meter_detach(priv, next_fm); + for (i = 0; i < RTE_COLORS; i++) + if (next_fm[i]) + mlx5_flow_meter_detach(priv, next_fm[i]); return -1; } @@ -17181,8 +17234,9 @@ flow_dv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev, DRV_LOG(ERR, "Exceed max meter number in hierarchy."); return NULL; } - next_fm = mlx5_flow_meter_find(priv, - mtr_policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, NULL); + rte_spinlock_lock(&mtr_policy->sl); + next_fm = mlx5_flow_meter_hierarchy_next_meter(priv, mtr_policy, NULL); + rte_spinlock_unlock(&mtr_policy->sl); if (!next_fm) { DRV_LOG(ERR, "Failed to get next meter in hierarchy."); return NULL; @@ -17330,11 +17384,11 @@ flow_dv_meter_hierarchy_rule_create(struct rte_eth_dev *dev, struct mlx5_flow_tbl_data_entry, tbl); act_cnt = &mtr_policy->act_cnt[i]; if (mtr_first) { - acts.dv_actions[0] = next_fm->meter_action; + acts.dv_actions[0] = next_fm->meter_action_g; acts.dv_actions[1] = act_cnt->modify_hdr->action; } else { acts.dv_actions[0] = act_cnt->modify_hdr->action; - acts.dv_actions[1] = next_fm->meter_action; + acts.dv_actions[1] = next_fm->meter_action_g; } acts.dv_actions[2] = tbl_data->jump.action; acts.actions_n = 3; diff --git a/drivers/net/mlx5/mlx5_flow_meter.c b/drivers/net/mlx5/mlx5_flow_meter.c index b52de70afa..22f6ca7faf 100644 --- a/drivers/net/mlx5/mlx5_flow_meter.c +++ b/drivers/net/mlx5/mlx5_flow_meter.c @@ -611,6 +611,36 @@ mlx5_flow_meter_policy_find(struct rte_eth_dev *dev, return NULL; } +/** + * Get the next meter from one meter's policy in hierarchy chain. + * Lock free, mutex should be acquired by caller. + * + * @param[in] priv + * Pointer to mlx5_priv. + * @param[in] policy + * Pointer to flow meter policy. + * @param[out] mtr_idx + * Pointer to Meter index. + * + * @return + * Pointer to the next meter, or NULL when fail. + */ +struct mlx5_flow_meter_info * +mlx5_flow_meter_hierarchy_next_meter(struct mlx5_priv *priv, + struct mlx5_flow_meter_policy *policy, + uint32_t *mtr_idx) +{ + int i; + + for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) { + if (policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR) + return mlx5_flow_meter_find(priv, + policy->act_cnt[i].next_mtr_id, + mtr_idx); + } + return NULL; +} + /** * Get the last meter's policy from one meter's policy in hierarchy. * @@ -631,8 +661,9 @@ mlx5_flow_meter_hierarchy_get_final_policy(struct rte_eth_dev *dev, struct mlx5_flow_meter_policy *next_policy = policy; while (next_policy->is_hierarchy) { - next_fm = mlx5_flow_meter_find(priv, - next_policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, NULL); + rte_spinlock_lock(&next_policy->sl); + next_fm = mlx5_flow_meter_hierarchy_next_meter(priv, next_policy, NULL); + rte_spinlock_unlock(&next_policy->sl); if (!next_fm || next_fm->def_policy) return NULL; next_policy = mlx5_flow_meter_policy_find(dev, @@ -1105,9 +1136,9 @@ mlx5_flow_meter_action_modify(struct mlx5_priv *priv, ebs_mantissa, val); } /* Apply modifications to meter only if it was created. */ - if (fm->meter_action) { + if (fm->meter_action_g) { ret = mlx5_glue->dv_modify_flow_action_meter - (fm->meter_action, &mod_attr, + (fm->meter_action_g, &mod_attr, rte_cpu_to_be_64(modify_bits)); if (ret) return ret; @@ -1908,7 +1939,7 @@ mlx5_flow_meter_attach(struct mlx5_priv *priv, rte_spinlock_unlock(&fm->sl); } else { rte_spinlock_lock(&fm->sl); - if (fm->meter_action) { + if (fm->meter_action_g) { if (fm->shared && attr->transfer == fm->transfer && attr->ingress == fm->ingress && @@ -1928,9 +1959,9 @@ mlx5_flow_meter_attach(struct mlx5_priv *priv, fm->transfer = attr->transfer; fm->ref_cnt = 1; /* This also creates the meter object. */ - fm->meter_action = mlx5_flow_meter_action_create(priv, + fm->meter_action_g = mlx5_flow_meter_action_create(priv, fm); - if (!fm->meter_action) { + if (!fm->meter_action_g) { fm->ref_cnt = 0; fm->ingress = 0; fm->egress = 0; @@ -1962,8 +1993,8 @@ mlx5_flow_meter_detach(struct mlx5_priv *priv, rte_spinlock_lock(&fm->sl); MLX5_ASSERT(fm->ref_cnt); if (--fm->ref_cnt == 0 && !priv->sh->meter_aso_en) { - mlx5_glue->destroy_flow_action(fm->meter_action); - fm->meter_action = NULL; + mlx5_glue->destroy_flow_action(fm->meter_action_g); + fm->meter_action_g = NULL; fm->ingress = 0; fm->egress = 0; fm->transfer = 0; @@ -2040,9 +2071,7 @@ mlx5_flow_meter_flush_hierarchy(struct rte_eth_dev *dev, MLX5_ASSERT(policy); while (!fm->ref_cnt && policy->is_hierarchy) { policy_id = fm->policy_id; - next_fm = mlx5_flow_meter_find(priv, - policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, - &next_mtr_idx); + next_fm = mlx5_flow_meter_hierarchy_next_meter(priv, policy, &next_mtr_idx); if (next_fm) { next_policy = mlx5_flow_meter_policy_find(dev, next_fm->policy_id, @@ -2120,9 +2149,7 @@ mlx5_flow_meter_flush_all_hierarchies(struct rte_eth_dev *dev, policy = sub_policy->main_policy; if (!policy || !policy->is_hierarchy || policy->ref_cnt) continue; - next_fm = mlx5_flow_meter_find(priv, - policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, - &mtr_idx); + next_fm = mlx5_flow_meter_hierarchy_next_meter(priv, policy, &mtr_idx); if (__mlx5_flow_meter_policy_delete(dev, i, policy, error, true)) return -rte_mtr_error_set(error, -- 2.20.0