net/mlx5: fix flow shared action destroy error code
[dpdk.git] / drivers / net / mlx5 / mlx5_flow_dv.c
index 3d69957..aa21ff9 100644 (file)
@@ -1217,6 +1217,7 @@ flow_dv_convert_action_set_meta
 
        if (reg < 0)
                return reg;
+       MLX5_ASSERT(reg != REG_NON);
        /*
         * In datapath code there is no endianness
         * coversions for perfromance reasons, all
@@ -1438,6 +1439,10 @@ flow_dv_validate_item_meta(struct rte_eth_dev *dev __rte_unused,
                reg = flow_dv_get_metadata_reg(dev, attr, error);
                if (reg < 0)
                        return reg;
+               if (reg == REG_NON)
+                       return rte_flow_error_set(error, ENOTSUP,
+                                       RTE_FLOW_ERROR_TYPE_ITEM, item,
+                                       "unavalable extended metadata register");
                if (reg == REG_B)
                        return rte_flow_error_set(error, ENOTSUP,
                                          RTE_FLOW_ERROR_TYPE_ITEM, item,
@@ -2446,6 +2451,10 @@ flow_dv_validate_action_set_meta(struct rte_eth_dev *dev,
        reg = flow_dv_get_metadata_reg(dev, attr, error);
        if (reg < 0)
                return reg;
+       if (reg == REG_NON)
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
+                                         "unavalable extended metadata register");
        if (reg != REG_A && reg != REG_B) {
                struct mlx5_priv *priv = dev->data->dev_private;
 
@@ -2865,13 +2874,25 @@ flow_dv_encap_decap_resource_register
        struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_dev_ctx_shared *sh = priv->sh;
        struct mlx5_hlist_entry *entry;
-       union mlx5_flow_encap_decap_key encap_decap_key = {
+       union {
+               struct {
+                       uint32_t ft_type:8;
+                       uint32_t refmt_type:8;
+                       /*
+                        * Header reformat actions can be shared between
+                        * non-root tables. One bit to indicate non-root
+                        * table or not.
+                        */
+                       uint32_t is_root:1;
+                       uint32_t reserve:15;
+               };
+               uint32_t v32;
+       } encap_decap_key = {
                {
                        .ft_type = resource->ft_type,
                        .refmt_type = resource->reformat_type,
-                       .buf_size = resource->size,
-                       .table_level = !!dev_flow->dv.group,
-                       .cksum = 0,
+                       .is_root = !!dev_flow->dv.group,
+                       .reserve = 0,
                }
        };
        struct mlx5_flow_cb_ctx ctx = {
@@ -2880,9 +2901,14 @@ flow_dv_encap_decap_resource_register
        };
 
        resource->flags = dev_flow->dv.group ? 0 : 1;
-       encap_decap_key.cksum = __rte_raw_cksum(resource->buf,
-                                               resource->size, 0);
-       resource->entry.key = encap_decap_key.v64;
+       resource->entry.key =  __rte_raw_cksum(&encap_decap_key.v32,
+                                              sizeof(encap_decap_key.v32), 0);
+       if (resource->reformat_type !=
+           MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2 &&
+           resource->size)
+               resource->entry.key = __rte_raw_cksum(resource->buf,
+                                                     resource->size,
+                                                     resource->entry.key);
        entry = mlx5_hlist_register(sh->encaps_decaps, resource->entry.key,
                                    &ctx);
        if (!entry)
@@ -7454,6 +7480,7 @@ flow_dv_translate_item_meta(struct rte_eth_dev *dev,
                reg = flow_dv_get_metadata_reg(dev, attr, NULL);
                if (reg < 0)
                        return;
+               MLX5_ASSERT(reg != REG_NON);
                /*
                 * In datapath code there is no endianness
                 * coversions for perfromance reasons, all
@@ -7858,7 +7885,7 @@ flow_dv_translate_item_ecpri(struct rte_eth_dev *dev, void *matcher,
                            prog_sample_field_value_0);
        /* Already big endian (network order) in the header. */
        *(uint32_t *)dw_m = ecpri_m->hdr.common.u32;
-       *(uint32_t *)dw_v = ecpri_v->hdr.common.u32;
+       *(uint32_t *)dw_v = ecpri_v->hdr.common.u32 & ecpri_m->hdr.common.u32;
        /* Sample#0, used for matching type, offset 0. */
        MLX5_SET(fte_match_set_misc4, misc4_m,
                 prog_sample_field_id_0, samples[0]);
@@ -7880,7 +7907,8 @@ flow_dv_translate_item_ecpri(struct rte_eth_dev *dev, void *matcher,
                        dw_v = MLX5_ADDR_OF(fte_match_set_misc4, misc4_v,
                                            prog_sample_field_value_1);
                        *(uint32_t *)dw_m = ecpri_m->hdr.dummy[0];
-                       *(uint32_t *)dw_v = ecpri_v->hdr.dummy[0];
+                       *(uint32_t *)dw_v = ecpri_v->hdr.dummy[0] &
+                                           ecpri_m->hdr.dummy[0];
                        /* Sample#1, to match message body, offset 4. */
                        MLX5_SET(fte_match_set_misc4, misc4_m,
                                 prog_sample_field_id_1, samples[1]);
@@ -8740,6 +8768,7 @@ flow_dv_sample_create_cb(struct mlx5_cache_list *list __rte_unused,
                goto error;
        }
        cache_resource->idx = idx;
+       cache_resource->dev = dev;
        return &cache_resource->entry;
 error:
        if (cache_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB &&
@@ -8902,6 +8931,7 @@ flow_dv_dest_array_create_cb(struct mlx5_cache_list *list __rte_unused,
                goto error;
        }
        cache_resource->idx = res_idx;
+       cache_resource->dev = dev;
        for (idx = 0; idx < resource->num_of_dest; idx++)
                mlx5_free(dest_attr[idx]);
        return &cache_resource->entry;
@@ -9449,12 +9479,14 @@ flow_dv_age_pool_create(struct rte_eth_dev *dev,
  *
  * @param[in] dev
  *   Pointer to the Ethernet device structure.
+ * @param[out] error
+ *   Pointer to the error structure.
  *
  * @return
  *   Index to ASO age action on success, 0 otherwise and rte_errno is set.
  */
 static uint32_t
-flow_dv_aso_age_alloc(struct rte_eth_dev *dev)
+flow_dv_aso_age_alloc(struct rte_eth_dev *dev, struct rte_flow_error *error)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
        const struct mlx5_aso_age_pool *pool;
@@ -9469,7 +9501,9 @@ flow_dv_aso_age_alloc(struct rte_eth_dev *dev)
                LIST_REMOVE(age_free, next);
        } else if (!flow_dv_age_pool_create(dev, &age_free)) {
                rte_spinlock_unlock(&mng->free_sl);
-               return 0; /* 0 is an error.*/
+               rte_flow_error_set(error, rte_errno, RTE_FLOW_ERROR_TYPE_ACTION,
+                                  NULL, "failed to create ASO age pool");
+               return 0; /* 0 is an error. */
        }
        rte_spinlock_unlock(&mng->free_sl);
        pool = container_of
@@ -9477,15 +9511,33 @@ flow_dv_aso_age_alloc(struct rte_eth_dev *dev)
                  (age_free - age_free->offset), const struct mlx5_aso_age_pool,
                                                                       actions);
        if (!age_free->dr_action) {
-               age_free->dr_action = mlx5_glue->dr_action_create_flow_hit
-                                               (pool->flow_hit_aso_obj->obj,
-                                                age_free->offset, REG_C_5);
+               int reg_c = mlx5_flow_get_reg_id(dev, MLX5_ASO_FLOW_HIT, 0,
+                                                error);
+
+               if (reg_c < 0) {
+                       rte_flow_error_set(error, rte_errno,
+                                          RTE_FLOW_ERROR_TYPE_ACTION,
+                                          NULL, "failed to get reg_c "
+                                          "for ASO flow hit");
+                       return 0; /* 0 is an error. */
+               }
+#ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
+               age_free->dr_action = mlx5_glue->dv_create_flow_action_aso
+                               (priv->sh->rx_domain,
+                                pool->flow_hit_aso_obj->obj, age_free->offset,
+                                MLX5DV_DR_ACTION_FLAGS_ASO_FIRST_HIT_SET,
+                                (reg_c - REG_C_0));
+#endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
                if (!age_free->dr_action) {
                        rte_errno = errno;
                        rte_spinlock_lock(&mng->free_sl);
                        LIST_INSERT_HEAD(&mng->free, age_free, next);
                        rte_spinlock_unlock(&mng->free_sl);
-                       return 0; /* 0 is an error.*/
+                       rte_flow_error_set(error, rte_errno,
+                                          RTE_FLOW_ERROR_TYPE_ACTION,
+                                          NULL, "failed to create ASO "
+                                          "flow hit action");
+                       return 0; /* 0 is an error. */
                }
        }
        __atomic_store_n(&age_free->refcnt, 1, __ATOMIC_RELAXED);
@@ -9499,18 +9551,21 @@ flow_dv_aso_age_alloc(struct rte_eth_dev *dev)
  *   Pointer to rte_eth_dev structure.
  * @param[in] age
  *   Pointer to the aging action configuration.
+ * @param[out] error
+ *   Pointer to the error structure.
  *
  * @return
  *   Index to flow counter on success, 0 otherwise.
  */
 static uint32_t
 flow_dv_translate_create_aso_age(struct rte_eth_dev *dev,
-                                const struct rte_flow_action_age *age)
+                                const struct rte_flow_action_age *age,
+                                struct rte_flow_error *error)
 {
        uint32_t age_idx = 0;
        struct mlx5_aso_age_action *aso_age;
 
-       age_idx = flow_dv_aso_age_alloc(dev);
+       age_idx = flow_dv_aso_age_alloc(dev, error);
        if (!age_idx)
                return 0;
        aso_age = flow_aso_age_get_by_idx(dev, age_idx);
@@ -9822,7 +9877,7 @@ flow_dv_translate(struct rte_eth_dev *dev,
                case RTE_FLOW_ACTION_TYPE_AGE:
                        if (priv->sh->flow_hit_aso_en && attr->group) {
                                flow->age = flow_dv_translate_create_aso_age
-                                               (dev, action->conf);
+                                               (dev, action->conf, error);
                                if (!flow->age)
                                        return rte_flow_error_set
                                                (error, rte_errno,
@@ -11028,13 +11083,13 @@ flow_dv_fate_resource_release(struct rte_eth_dev *dev,
 }
 
 void
-flow_dv_sample_remove_cb(struct mlx5_cache_list *list,
+flow_dv_sample_remove_cb(struct mlx5_cache_list *list __rte_unused,
                         struct mlx5_cache_entry *entry)
 {
-       struct rte_eth_dev *dev = list->ctx;
-       struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_flow_dv_sample_resource *cache_resource =
                        container_of(entry, typeof(*cache_resource), entry);
+       struct rte_eth_dev *dev = cache_resource->dev;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        if (cache_resource->verbs_action)
                claim_zero(mlx5_glue->destroy_flow_action
@@ -11083,13 +11138,13 @@ flow_dv_sample_resource_release(struct rte_eth_dev *dev,
 }
 
 void
-flow_dv_dest_array_remove_cb(struct mlx5_cache_list *list,
+flow_dv_dest_array_remove_cb(struct mlx5_cache_list *list __rte_unused,
                             struct mlx5_cache_entry *entry)
 {
-       struct rte_eth_dev *dev = list->ctx;
-       struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_flow_dv_dest_array_resource *cache_resource =
                        container_of(entry, typeof(*cache_resource), entry);
+       struct rte_eth_dev *dev = cache_resource->dev;
+       struct mlx5_priv *priv = dev->data->dev_private;
        uint32_t i = 0;
 
        MLX5_ASSERT(cache_resource->action);
@@ -11303,20 +11358,26 @@ __flow_dv_action_rss_hrxqs_release(struct rte_eth_dev *dev,
  */
 static int
 __flow_dv_action_rss_setup(struct rte_eth_dev *dev,
-                       uint32_t action_idx,
-                       struct mlx5_shared_action_rss *action,
-                       struct rte_flow_error *error)
+                          uint32_t action_idx,
+                          struct mlx5_shared_action_rss *action,
+                          struct rte_flow_error *error)
 {
        struct mlx5_flow_rss_desc rss_desc = { 0 };
        size_t i;
        int err;
 
+       if (mlx5_ind_table_obj_setup(dev, action->ind_tbl)) {
+               return rte_flow_error_set(error, rte_errno,
+                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                         "cannot setup indirection table");
+       }
        memcpy(rss_desc.key, action->origin.key, MLX5_RSS_HASH_KEY_LEN);
        rss_desc.key_len = MLX5_RSS_HASH_KEY_LEN;
        rss_desc.const_q = action->origin.queue;
        rss_desc.queue_num = action->origin.queue_num;
        /* Set non-zero value to indicate a shared RSS. */
        rss_desc.shared_rss = action_idx;
+       rss_desc.ind_tbl = action->ind_tbl;
        for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
                uint32_t hrxq_idx;
                uint64_t hash_fields = mlx5_rss_hash_fields[i];
@@ -11342,6 +11403,8 @@ __flow_dv_action_rss_setup(struct rte_eth_dev *dev,
 error_hrxq_new:
        err = rte_errno;
        __flow_dv_action_rss_hrxqs_release(dev, action);
+       if (!mlx5_ind_table_obj_release(dev, action->ind_tbl, true))
+               action->ind_tbl = NULL;
        rte_errno = err;
        return -rte_errno;
 }
@@ -11394,7 +11457,18 @@ __flow_dv_action_rss_create(struct rte_eth_dev *dev,
                                   "rss action number out of range");
                goto error_rss_init;
        }
-       shared_action->queue = queue;
+       shared_action->ind_tbl = mlx5_malloc(MLX5_MEM_ZERO,
+                                            sizeof(*shared_action->ind_tbl),
+                                            0, SOCKET_ID_ANY);
+       if (!shared_action->ind_tbl) {
+               rte_flow_error_set(error, ENOMEM,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "cannot allocate resource memory");
+               goto error_rss_init;
+       }
+       memcpy(queue, rss->queue, queue_size);
+       shared_action->ind_tbl->queues = queue;
+       shared_action->ind_tbl->queues_n = rss->queue_num;
        origin = &shared_action->origin;
        origin->func = rss->func;
        origin->level = rss->level;
@@ -11405,11 +11479,11 @@ __flow_dv_action_rss_create(struct rte_eth_dev *dev,
        memcpy(shared_action->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
        origin->key = &shared_action->key[0];
        origin->key_len = MLX5_RSS_HASH_KEY_LEN;
-       memcpy(shared_action->queue, rss->queue, queue_size);
-       origin->queue = shared_action->queue;
+       origin->queue = queue;
        origin->queue_num = rss->queue_num;
        if (__flow_dv_action_rss_setup(dev, idx, shared_action, error))
                goto error_rss_init;
+       rte_spinlock_init(&shared_action->action_rss_sl);
        __atomic_add_fetch(&shared_action->refcnt, 1, __ATOMIC_RELAXED);
        rte_spinlock_lock(&priv->shared_act_sl);
        ILIST_INSERT(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
@@ -11417,9 +11491,12 @@ __flow_dv_action_rss_create(struct rte_eth_dev *dev,
        rte_spinlock_unlock(&priv->shared_act_sl);
        return idx;
 error_rss_init:
-       if (shared_action)
+       if (shared_action) {
+               if (shared_action->ind_tbl)
+                       mlx5_free(shared_action->ind_tbl);
                mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
                                idx);
+       }
        if (queue)
                mlx5_free(queue);
        return 0;
@@ -11449,6 +11526,7 @@ __flow_dv_action_rss_release(struct rte_eth_dev *dev, uint32_t idx,
            mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
        uint32_t old_refcnt = 1;
        int remaining;
+       uint16_t *queue = NULL;
 
        if (!shared_rss)
                return rte_flow_error_set(error, EINVAL,
@@ -11456,18 +11534,26 @@ __flow_dv_action_rss_release(struct rte_eth_dev *dev, uint32_t idx,
                                          "invalid shared action");
        remaining = __flow_dv_action_rss_hrxqs_release(dev, shared_rss);
        if (remaining)
-               return rte_flow_error_set(error, ETOOMANYREFS,
+               return rte_flow_error_set(error, EBUSY,
                                          RTE_FLOW_ERROR_TYPE_ACTION,
                                          NULL,
                                          "shared rss hrxq has references");
+       queue = shared_rss->ind_tbl->queues;
+       remaining = mlx5_ind_table_obj_release(dev, shared_rss->ind_tbl, true);
+       if (remaining)
+               return rte_flow_error_set(error, EBUSY,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "shared rss indirection table has"
+                                         " references");
        if (!__atomic_compare_exchange_n(&shared_rss->refcnt, &old_refcnt,
                                         0, 0, __ATOMIC_ACQUIRE,
                                         __ATOMIC_RELAXED))
-               return rte_flow_error_set(error, ETOOMANYREFS,
+               return rte_flow_error_set(error, EBUSY,
                                          RTE_FLOW_ERROR_TYPE_ACTION,
                                          NULL,
                                          "shared rss has references");
-       rte_free(shared_rss->queue);
+       mlx5_free(queue);
        rte_spinlock_lock(&priv->shared_act_sl);
        ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
                     &priv->rss_shared_actions, idx, shared_rss, next);
@@ -11512,7 +11598,7 @@ flow_dv_action_create(struct rte_eth_dev *dev,
                       MLX5_SHARED_ACTION_TYPE_OFFSET) | ret;
                break;
        case RTE_FLOW_ACTION_TYPE_AGE:
-               ret = flow_dv_translate_create_aso_age(dev, action->conf);
+               ret = flow_dv_translate_create_aso_age(dev, action->conf, err);
                idx = (MLX5_SHARED_ACTION_TYPE_AGE <<
                       MLX5_SHARED_ACTION_TYPE_OFFSET) | ret;
                if (ret) {
@@ -11605,11 +11691,9 @@ __flow_dv_action_rss_update(struct rte_eth_dev *dev, uint32_t idx,
        struct mlx5_priv *priv = dev->data->dev_private;
        struct mlx5_shared_action_rss *shared_rss =
            mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
-       size_t i;
-       int ret;
+       int ret = 0;
        void *queue = NULL;
-       const uint8_t *rss_key;
-       uint32_t rss_key_len;
+       uint16_t *queue_old = NULL;
        uint32_t queue_size = action_conf->queue_num * sizeof(uint16_t);
 
        if (!shared_rss)
@@ -11624,42 +11708,24 @@ __flow_dv_action_rss_update(struct rte_eth_dev *dev, uint32_t idx,
                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
                                          NULL,
                                          "cannot allocate resource memory");
-       if (action_conf->key) {
-               rss_key = action_conf->key;
-               rss_key_len = action_conf->key_len;
+       memcpy(queue, action_conf->queue, queue_size);
+       MLX5_ASSERT(shared_rss->ind_tbl);
+       rte_spinlock_lock(&shared_rss->action_rss_sl);
+       queue_old = shared_rss->ind_tbl->queues;
+       ret = mlx5_ind_table_obj_modify(dev, shared_rss->ind_tbl,
+                                       queue, action_conf->queue_num, true);
+       if (ret) {
+               mlx5_free(queue);
+               ret = rte_flow_error_set(error, rte_errno,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "cannot update indirection table");
        } else {
-               rss_key = rss_hash_default_key;
-               rss_key_len = MLX5_RSS_HASH_KEY_LEN;
+               mlx5_free(queue_old);
+               shared_rss->origin.queue = queue;
+               shared_rss->origin.queue_num = action_conf->queue_num;
        }
-       for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
-               uint32_t hrxq_idx;
-               uint64_t hash_fields = mlx5_rss_hash_fields[i];
-               int tunnel;
-
-               for (tunnel = 0; tunnel < 2; tunnel++) {
-                       hrxq_idx = __flow_dv_action_rss_hrxq_lookup
-                                       (dev, idx, hash_fields, tunnel);
-                       MLX5_ASSERT(hrxq_idx);
-                       ret = mlx5_hrxq_modify
-                               (dev, hrxq_idx,
-                                rss_key, rss_key_len,
-                                hash_fields,
-                                action_conf->queue, action_conf->queue_num);
-                       if (ret) {
-                               mlx5_free(queue);
-                               return rte_flow_error_set
-                                       (error, rte_errno,
-                                        RTE_FLOW_ERROR_TYPE_ACTION, NULL,
-                                        "cannot update hash queue");
-                       }
-               }
-       }
-       mlx5_free(shared_rss->queue);
-       shared_rss->queue = queue;
-       memcpy(shared_rss->queue, action_conf->queue, queue_size);
-       shared_rss->origin.queue = shared_rss->queue;
-       shared_rss->origin.queue_num = action_conf->queue_num;
-       return 0;
+       rte_spinlock_unlock(&shared_rss->action_rss_sl);
+       return ret;
 }
 
 /**