diff options
4 files changed, 156 insertions, 130 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c index d9f66faa619e..e87cf498c77b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c @@ -683,10 +683,10 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher, return 0; } -static int dr_matcher_connect(struct mlx5dr_domain *dmn, - struct mlx5dr_matcher_rx_tx *curr_nic_matcher, - struct mlx5dr_matcher_rx_tx *next_nic_matcher, - struct mlx5dr_matcher_rx_tx *prev_nic_matcher) +static int dr_nic_matcher_connect(struct mlx5dr_domain *dmn, + struct mlx5dr_matcher_rx_tx *curr_nic_matcher, + struct mlx5dr_matcher_rx_tx *next_nic_matcher, + struct mlx5dr_matcher_rx_tx *prev_nic_matcher) { struct mlx5dr_table_rx_tx *nic_tbl = curr_nic_matcher->nic_tbl; struct mlx5dr_domain_rx_tx *nic_dmn = nic_tbl->nic_dmn; @@ -742,58 +742,50 @@ static int dr_matcher_connect(struct mlx5dr_domain *dmn, return 0; } -static int dr_matcher_add_to_tbl(struct mlx5dr_matcher *matcher) +int mlx5dr_matcher_add_to_tbl_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_matcher_rx_tx *nic_matcher) { - struct mlx5dr_matcher *next_matcher, *prev_matcher, *tmp_matcher; - struct mlx5dr_table *tbl = matcher->tbl; - struct mlx5dr_domain *dmn = tbl->dmn; + struct mlx5dr_matcher_rx_tx *next_nic_matcher, *prev_nic_matcher, *tmp_nic_matcher; + struct mlx5dr_table_rx_tx *nic_tbl = nic_matcher->nic_tbl; bool first = true; int ret; - next_matcher = NULL; - list_for_each_entry(tmp_matcher, &tbl->matcher_list, list_node) { - if (tmp_matcher->prio >= matcher->prio) { - next_matcher = tmp_matcher; + /* If the nic matcher is already on its parent nic table list, + * then it is already connected to the chain of nic matchers. + */ + if (!list_empty(&nic_matcher->list_node)) + return 0; + + next_nic_matcher = NULL; + list_for_each_entry(tmp_nic_matcher, &nic_tbl->nic_matcher_list, list_node) { + if (tmp_nic_matcher->prio >= nic_matcher->prio) { + next_nic_matcher = tmp_nic_matcher; break; } first = false; } - prev_matcher = NULL; - if (next_matcher && !first) - prev_matcher = list_prev_entry(next_matcher, list_node); + prev_nic_matcher = NULL; + if (next_nic_matcher && !first) + prev_nic_matcher = list_prev_entry(next_nic_matcher, list_node); else if (!first) - prev_matcher = list_last_entry(&tbl->matcher_list, - struct mlx5dr_matcher, - list_node); - - if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB || - dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX) { - ret = dr_matcher_connect(dmn, &matcher->rx, - next_matcher ? &next_matcher->rx : NULL, - prev_matcher ? &prev_matcher->rx : NULL); - if (ret) - return ret; - } + prev_nic_matcher = list_last_entry(&nic_tbl->nic_matcher_list, + struct mlx5dr_matcher_rx_tx, + list_node); - if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB || - dmn->type == MLX5DR_DOMAIN_TYPE_NIC_TX) { - ret = dr_matcher_connect(dmn, &matcher->tx, - next_matcher ? &next_matcher->tx : NULL, - prev_matcher ? &prev_matcher->tx : NULL); - if (ret) - return ret; - } + ret = dr_nic_matcher_connect(dmn, nic_matcher, + next_nic_matcher, prev_nic_matcher); + if (ret) + return ret; - if (prev_matcher) - list_add(&matcher->list_node, &prev_matcher->list_node); - else if (next_matcher) - list_add_tail(&matcher->list_node, - &next_matcher->list_node); + if (prev_nic_matcher) + list_add(&nic_matcher->list_node, &prev_nic_matcher->list_node); + else if (next_nic_matcher) + list_add_tail(&nic_matcher->list_node, &next_nic_matcher->list_node); else - list_add(&matcher->list_node, &tbl->matcher_list); + list_add(&nic_matcher->list_node, &nic_matcher->nic_tbl->nic_matcher_list); - return 0; + return ret; } static void dr_matcher_uninit_nic(struct mlx5dr_matcher_rx_tx *nic_matcher) @@ -852,6 +844,9 @@ static int dr_matcher_init_nic(struct mlx5dr_matcher *matcher, struct mlx5dr_domain *dmn = matcher->tbl->dmn; int ret; + nic_matcher->prio = matcher->prio; + INIT_LIST_HEAD(&nic_matcher->list_node); + ret = dr_matcher_set_all_ste_builders(matcher, nic_matcher); if (ret) return ret; @@ -979,6 +974,20 @@ static int dr_matcher_init(struct mlx5dr_matcher *matcher, return ret; } +static void dr_matcher_add_to_dbg_list(struct mlx5dr_matcher *matcher) +{ + mutex_lock(&matcher->tbl->dmn->dump_info.dbg_mutex); + list_add(&matcher->list_node, &matcher->tbl->matcher_list); + mutex_unlock(&matcher->tbl->dmn->dump_info.dbg_mutex); +} + +static void dr_matcher_remove_from_dbg_list(struct mlx5dr_matcher *matcher) +{ + mutex_lock(&matcher->tbl->dmn->dump_info.dbg_mutex); + list_del(&matcher->list_node); + mutex_unlock(&matcher->tbl->dmn->dump_info.dbg_mutex); +} + struct mlx5dr_matcher * mlx5dr_matcher_create(struct mlx5dr_table *tbl, u32 priority, @@ -1007,16 +1016,12 @@ mlx5dr_matcher_create(struct mlx5dr_table *tbl, if (ret) goto free_matcher; - ret = dr_matcher_add_to_tbl(matcher); - if (ret) - goto matcher_uninit; + dr_matcher_add_to_dbg_list(matcher); mlx5dr_domain_unlock(tbl->dmn); return matcher; -matcher_uninit: - dr_matcher_uninit(matcher); free_matcher: mlx5dr_domain_unlock(tbl->dmn); kfree(matcher); @@ -1025,10 +1030,10 @@ dec_ref: return NULL; } -static int dr_matcher_disconnect(struct mlx5dr_domain *dmn, - struct mlx5dr_table_rx_tx *nic_tbl, - struct mlx5dr_matcher_rx_tx *next_nic_matcher, - struct mlx5dr_matcher_rx_tx *prev_nic_matcher) +static int dr_matcher_disconnect_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_table_rx_tx *nic_tbl, + struct mlx5dr_matcher_rx_tx *next_nic_matcher, + struct mlx5dr_matcher_rx_tx *prev_nic_matcher) { struct mlx5dr_domain_rx_tx *nic_dmn = nic_tbl->nic_dmn; struct mlx5dr_htbl_connect_info info; @@ -1055,43 +1060,34 @@ static int dr_matcher_disconnect(struct mlx5dr_domain *dmn, &info, true); } -static int dr_matcher_remove_from_tbl(struct mlx5dr_matcher *matcher) +int mlx5dr_matcher_remove_from_tbl_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_matcher_rx_tx *nic_matcher) { - struct mlx5dr_matcher *prev_matcher, *next_matcher; - struct mlx5dr_table *tbl = matcher->tbl; - struct mlx5dr_domain *dmn = tbl->dmn; - int ret = 0; + struct mlx5dr_matcher_rx_tx *prev_nic_matcher, *next_nic_matcher; + struct mlx5dr_table_rx_tx *nic_tbl = nic_matcher->nic_tbl; + int ret; - if (list_is_last(&matcher->list_node, &tbl->matcher_list)) - next_matcher = NULL; - else - next_matcher = list_next_entry(matcher, list_node); + /* If the nic matcher is not on its parent nic table list, + * then it is detached - no need to disconnect it. + */ + if (list_empty(&nic_matcher->list_node)) + return 0; - if (matcher->list_node.prev == &tbl->matcher_list) - prev_matcher = NULL; + if (list_is_last(&nic_matcher->list_node, &nic_tbl->nic_matcher_list)) + next_nic_matcher = NULL; else - prev_matcher = list_prev_entry(matcher, list_node); - - if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB || - dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX) { - ret = dr_matcher_disconnect(dmn, &tbl->rx, - next_matcher ? &next_matcher->rx : NULL, - prev_matcher ? &prev_matcher->rx : NULL); - if (ret) - return ret; - } + next_nic_matcher = list_next_entry(nic_matcher, list_node); - if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB || - dmn->type == MLX5DR_DOMAIN_TYPE_NIC_TX) { - ret = dr_matcher_disconnect(dmn, &tbl->tx, - next_matcher ? &next_matcher->tx : NULL, - prev_matcher ? &prev_matcher->tx : NULL); - if (ret) - return ret; - } + if (nic_matcher->list_node.prev == &nic_tbl->nic_matcher_list) + prev_nic_matcher = NULL; + else + prev_nic_matcher = list_prev_entry(nic_matcher, list_node); - list_del(&matcher->list_node); + ret = dr_matcher_disconnect_nic(dmn, nic_tbl, next_nic_matcher, prev_nic_matcher); + if (ret) + return ret; + list_del_init(&nic_matcher->list_node); return 0; } @@ -1104,7 +1100,7 @@ int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher) mlx5dr_domain_lock(tbl->dmn); - dr_matcher_remove_from_tbl(matcher); + dr_matcher_remove_from_dbg_list(matcher); dr_matcher_uninit(matcher); refcount_dec(&matcher->tbl->refcount); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c index 43e7fe85cbc7..b4374578425b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c @@ -990,8 +990,20 @@ static bool dr_rule_verify(struct mlx5dr_matcher *matcher, static int dr_rule_destroy_rule_nic(struct mlx5dr_rule *rule, struct mlx5dr_rule_rx_tx *nic_rule) { + /* Check if this nic rule was actually created, or was it skipped + * and only the other type of the RX/TX nic rule was created. + */ + if (!nic_rule->last_rule_ste) + return 0; + mlx5dr_domain_nic_lock(nic_rule->nic_matcher->nic_tbl->nic_dmn); dr_rule_clean_rule_members(rule, nic_rule); + + nic_rule->nic_matcher->rules--; + if (!nic_rule->nic_matcher->rules) + mlx5dr_matcher_remove_from_tbl_nic(rule->matcher->tbl->dmn, + nic_rule->nic_matcher); + mlx5dr_domain_nic_unlock(nic_rule->nic_matcher->nic_tbl->nic_dmn); return 0; @@ -1098,24 +1110,28 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule, mlx5dr_domain_nic_lock(nic_dmn); + ret = mlx5dr_matcher_add_to_tbl_nic(dmn, nic_matcher); + if (ret) + goto free_hw_ste; + ret = mlx5dr_matcher_select_builders(matcher, nic_matcher, dr_rule_get_ipv(¶m->outer), dr_rule_get_ipv(¶m->inner)); if (ret) - goto free_hw_ste; + goto remove_from_nic_tbl; /* Set the tag values inside the ste array */ ret = mlx5dr_ste_build_ste_arr(matcher, nic_matcher, param, hw_ste_arr); if (ret) - goto free_hw_ste; + goto remove_from_nic_tbl; /* Set the actions values/addresses inside the ste array */ ret = mlx5dr_actions_build_ste_arr(matcher, nic_matcher, actions, num_actions, hw_ste_arr, &new_hw_ste_arr_sz); if (ret) - goto free_hw_ste; + goto remove_from_nic_tbl; cur_htbl = nic_matcher->s_htbl; @@ -1162,6 +1178,8 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule, if (htbl) mlx5dr_htbl_put(htbl); + nic_matcher->rules++; + mlx5dr_domain_nic_unlock(nic_dmn); kfree(hw_ste_arr); @@ -1175,6 +1193,10 @@ free_rule: list_del(&ste_info->send_list); kfree(ste_info); } + +remove_from_nic_tbl: + mlx5dr_matcher_remove_from_tbl_nic(dmn, nic_matcher); + free_hw_ste: mlx5dr_domain_nic_unlock(nic_dmn); kfree(hw_ste_arr); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c index 1d6b43a52c58..8ca110643cc0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c @@ -3,69 +3,66 @@ #include "dr_types.h" -int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl, - struct mlx5dr_action *action) +static int dr_table_set_miss_action_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_table_rx_tx *nic_tbl, + struct mlx5dr_action *action) { - struct mlx5dr_matcher *last_matcher = NULL; + struct mlx5dr_matcher_rx_tx *last_nic_matcher = NULL; struct mlx5dr_htbl_connect_info info; struct mlx5dr_ste_htbl *last_htbl; int ret; + if (!list_empty(&nic_tbl->nic_matcher_list)) + last_nic_matcher = list_last_entry(&nic_tbl->nic_matcher_list, + struct mlx5dr_matcher_rx_tx, + list_node); + + if (last_nic_matcher) + last_htbl = last_nic_matcher->e_anchor; + else + last_htbl = nic_tbl->s_anchor; + + if (action) + nic_tbl->default_icm_addr = + nic_tbl->nic_dmn->type == DR_DOMAIN_NIC_TYPE_RX ? + action->dest_tbl->tbl->rx.s_anchor->chunk->icm_addr : + action->dest_tbl->tbl->tx.s_anchor->chunk->icm_addr; + else + nic_tbl->default_icm_addr = nic_tbl->nic_dmn->default_icm_addr; + + info.type = CONNECT_MISS; + info.miss_icm_addr = nic_tbl->default_icm_addr; + + ret = mlx5dr_ste_htbl_init_and_postsend(dmn, nic_tbl->nic_dmn, + last_htbl, &info, true); + if (ret) + mlx5dr_dbg(dmn, "Failed to set NIC RX/TX miss action, ret %d\n", ret); + + return ret; +} + +int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl, + struct mlx5dr_action *action) +{ + int ret; + if (action && action->action_type != DR_ACTION_TYP_FT) return -EOPNOTSUPP; mlx5dr_domain_lock(tbl->dmn); - if (!list_empty(&tbl->matcher_list)) - last_matcher = list_last_entry(&tbl->matcher_list, - struct mlx5dr_matcher, - list_node); - if (tbl->dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX || tbl->dmn->type == MLX5DR_DOMAIN_TYPE_FDB) { - if (last_matcher) - last_htbl = last_matcher->rx.e_anchor; - else - last_htbl = tbl->rx.s_anchor; - - tbl->rx.default_icm_addr = action ? - action->dest_tbl->tbl->rx.s_anchor->chunk->icm_addr : - tbl->rx.nic_dmn->default_icm_addr; - - info.type = CONNECT_MISS; - info.miss_icm_addr = tbl->rx.default_icm_addr; - - ret = mlx5dr_ste_htbl_init_and_postsend(tbl->dmn, - tbl->rx.nic_dmn, - last_htbl, - &info, true); - if (ret) { - mlx5dr_dbg(tbl->dmn, "Failed to set RX miss action, ret %d\n", ret); + ret = dr_table_set_miss_action_nic(tbl->dmn, &tbl->rx, action); + if (ret) goto out; - } } if (tbl->dmn->type == MLX5DR_DOMAIN_TYPE_NIC_TX || tbl->dmn->type == MLX5DR_DOMAIN_TYPE_FDB) { - if (last_matcher) - last_htbl = last_matcher->tx.e_anchor; - else - last_htbl = tbl->tx.s_anchor; - - tbl->tx.default_icm_addr = action ? - action->dest_tbl->tbl->tx.s_anchor->chunk->icm_addr : - tbl->tx.nic_dmn->default_icm_addr; - - info.type = CONNECT_MISS; - info.miss_icm_addr = tbl->tx.default_icm_addr; - - ret = mlx5dr_ste_htbl_init_and_postsend(tbl->dmn, - tbl->tx.nic_dmn, - last_htbl, &info, true); - if (ret) { - mlx5dr_dbg(tbl->dmn, "Failed to set TX miss action, ret %d\n", ret); + ret = dr_table_set_miss_action_nic(tbl->dmn, &tbl->tx, action); + if (ret) goto out; - } } /* Release old action */ @@ -122,6 +119,8 @@ static int dr_table_init_nic(struct mlx5dr_domain *dmn, struct mlx5dr_htbl_connect_info info; int ret; + INIT_LIST_HEAD(&nic_tbl->nic_matcher_list); + nic_tbl->default_icm_addr = nic_dmn->default_icm_addr; nic_tbl->s_anchor = mlx5dr_ste_htbl_alloc(dmn->ste_icm_pool, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index 21a9b07ba327..1b3d484b99be 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -911,6 +911,7 @@ struct mlx5dr_table_rx_tx { struct mlx5dr_ste_htbl *s_anchor; struct mlx5dr_domain_rx_tx *nic_dmn; u64 default_icm_addr; + struct list_head nic_matcher_list; }; struct mlx5dr_table { @@ -938,6 +939,9 @@ struct mlx5dr_matcher_rx_tx { u8 num_of_builders_arr[DR_RULE_IPV_MAX][DR_RULE_IPV_MAX]; u64 default_icm_addr; struct mlx5dr_table_rx_tx *nic_tbl; + u32 prio; + struct list_head list_node; + u32 rules; }; struct mlx5dr_matcher { @@ -1119,6 +1123,11 @@ static inline void mlx5dr_domain_unlock(struct mlx5dr_domain *dmn) mlx5dr_domain_nic_unlock(&dmn->info.rx); } +int mlx5dr_matcher_add_to_tbl_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_matcher_rx_tx *nic_matcher); +int mlx5dr_matcher_remove_from_tbl_nic(struct mlx5dr_domain *dmn, + struct mlx5dr_matcher_rx_tx *nic_matcher); + int mlx5dr_matcher_select_builders(struct mlx5dr_matcher *matcher, struct mlx5dr_matcher_rx_tx *nic_matcher, enum mlx5dr_ipv outer_ipv, |