net/i40e: optimize flow director memory management
[dpdk.git] / drivers / net / mlx5 / mlx5_utils.c
index c92914c..bf67192 100644 (file)
@@ -20,7 +20,7 @@ mlx5_hlist_create(const char *name, uint32_t size)
        if (!rte_is_power_of_2(size)) {
                act_size = rte_align32pow2(size);
                DRV_LOG(WARNING, "Size 0x%" PRIX32 " is not power of 2, will "
-                       "be aligned to 0x%" PRIX32 ".\n", size, act_size);
+                       "be aligned to 0x%" PRIX32 ".", size, act_size);
        } else {
                act_size = size;
        }
@@ -29,7 +29,7 @@ mlx5_hlist_create(const char *name, uint32_t size)
        /* Using zmalloc, then no need to initialize the heads. */
        h = rte_zmalloc(name, alloc_size, RTE_CACHE_LINE_SIZE);
        if (!h) {
-               DRV_LOG(ERR, "No memory for hash list %s creation\n",
+               DRV_LOG(ERR, "No memory for hash list %s creation",
                        name ? name : "None");
                return NULL;
        }
@@ -37,7 +37,7 @@ mlx5_hlist_create(const char *name, uint32_t size)
                snprintf(h->name, MLX5_HLIST_NAMESIZE, "%s", name);
        h->table_sz = act_size;
        h->mask = act_size - 1;
-       DRV_LOG(DEBUG, "Hash list with %s size 0x%" PRIX32 " is created.\n",
+       DRV_LOG(DEBUG, "Hash list with %s size 0x%" PRIX32 " is created.",
                h->name, act_size);
        return h;
 }
@@ -132,16 +132,69 @@ mlx5_ipool_unlock(struct mlx5_indexed_pool *pool)
                rte_spinlock_unlock(&pool->lock);
 }
 
+static inline uint32_t
+mlx5_trunk_idx_get(struct mlx5_indexed_pool *pool, uint32_t entry_idx)
+{
+       struct mlx5_indexed_pool_config *cfg = &pool->cfg;
+       uint32_t trunk_idx = 0;
+       uint32_t i;
+
+       if (!cfg->grow_trunk)
+               return entry_idx / cfg->trunk_size;
+       if (entry_idx >= pool->grow_tbl[cfg->grow_trunk - 1]) {
+               trunk_idx = (entry_idx - pool->grow_tbl[cfg->grow_trunk - 1]) /
+                           (cfg->trunk_size << (cfg->grow_shift *
+                           cfg->grow_trunk)) + cfg->grow_trunk;
+       } else {
+               for (i = 0; i < cfg->grow_trunk; i++) {
+                       if (entry_idx < pool->grow_tbl[i])
+                               break;
+               }
+               trunk_idx = i;
+       }
+       return trunk_idx;
+}
+
+static inline uint32_t
+mlx5_trunk_size_get(struct mlx5_indexed_pool *pool, uint32_t trunk_idx)
+{
+       struct mlx5_indexed_pool_config *cfg = &pool->cfg;
+
+       return cfg->trunk_size << (cfg->grow_shift *
+              (trunk_idx > cfg->grow_trunk ? cfg->grow_trunk : trunk_idx));
+}
+
+static inline uint32_t
+mlx5_trunk_idx_offset_get(struct mlx5_indexed_pool *pool, uint32_t trunk_idx)
+{
+       struct mlx5_indexed_pool_config *cfg = &pool->cfg;
+       uint32_t offset = 0;
+
+       if (!trunk_idx)
+               return 0;
+       if (!cfg->grow_trunk)
+               return cfg->trunk_size * trunk_idx;
+       if (trunk_idx < cfg->grow_trunk)
+               offset = pool->grow_tbl[trunk_idx - 1];
+       else
+               offset = pool->grow_tbl[cfg->grow_trunk - 1] +
+                        (cfg->trunk_size << (cfg->grow_shift *
+                        cfg->grow_trunk)) * (trunk_idx - cfg->grow_trunk);
+       return offset;
+}
+
 struct mlx5_indexed_pool *
 mlx5_ipool_create(struct mlx5_indexed_pool_config *cfg)
 {
        struct mlx5_indexed_pool *pool;
+       uint32_t i;
 
        if (!cfg || !cfg->size || (!cfg->malloc ^ !cfg->free) ||
            (cfg->trunk_size && ((cfg->trunk_size & (cfg->trunk_size - 1)) ||
            ((__builtin_ffs(cfg->trunk_size) + TRUNK_IDX_BITS) > 32))))
                return NULL;
-       pool = rte_zmalloc("mlx5_ipool", sizeof(*pool), RTE_CACHE_LINE_SIZE);
+       pool = rte_zmalloc("mlx5_ipool", sizeof(*pool) + cfg->grow_trunk *
+                               sizeof(pool->grow_tbl[0]), RTE_CACHE_LINE_SIZE);
        if (!pool)
                return NULL;
        pool->cfg = *cfg;
@@ -154,6 +207,15 @@ mlx5_ipool_create(struct mlx5_indexed_pool_config *cfg)
        pool->free_list = TRUNK_INVALID;
        if (pool->cfg.need_lock)
                rte_spinlock_init(&pool->lock);
+       /*
+        * Initialize the dynamic grow trunk size lookup table to have a quick
+        * lookup for the trunk entry index offset.
+        */
+       for (i = 0; i < cfg->grow_trunk; i++) {
+               pool->grow_tbl[i] = cfg->trunk_size << (cfg->grow_shift * i);
+               if (i > 0)
+                       pool->grow_tbl[i] += pool->grow_tbl[i - 1];
+       }
        return pool;
 }
 
@@ -164,6 +226,7 @@ mlx5_ipool_grow(struct mlx5_indexed_pool *pool)
        struct mlx5_indexed_trunk **trunk_tmp;
        struct mlx5_indexed_trunk **p;
        size_t trunk_size = 0;
+       size_t data_size;
        size_t bmp_size;
        uint32_t idx;
 
@@ -191,25 +254,36 @@ mlx5_ipool_grow(struct mlx5_indexed_pool *pool)
                        pool->cfg.free(trunk_tmp);
                pool->n_trunk += n_grow;
        }
-       idx = pool->n_trunk_valid;
+       if (!pool->cfg.release_mem_en) {
+               idx = pool->n_trunk_valid;
+       } else {
+               /* Find the first available slot in trunk list */
+               for (idx = 0; idx < pool->n_trunk; idx++)
+                       if (pool->trunks[idx] == NULL)
+                               break;
+       }
        trunk_size += sizeof(*trunk);
-       bmp_size = rte_bitmap_get_memory_footprint(pool->cfg.trunk_size);
-       trunk_size += pool->cfg.trunk_size * pool->cfg.size + bmp_size;
+       data_size = mlx5_trunk_size_get(pool, idx);
+       bmp_size = rte_bitmap_get_memory_footprint(data_size);
+       /* rte_bitmap requires memory cacheline aligned. */
+       trunk_size += RTE_CACHE_LINE_ROUNDUP(data_size * pool->cfg.size);
+       trunk_size += bmp_size;
        trunk = pool->cfg.malloc(pool->cfg.type, trunk_size,
                                 RTE_CACHE_LINE_SIZE, rte_socket_id());
        if (!trunk)
                return -ENOMEM;
        pool->trunks[idx] = trunk;
        trunk->idx = idx;
-       trunk->free = pool->cfg.trunk_size;
+       trunk->free = data_size;
        trunk->prev = TRUNK_INVALID;
        trunk->next = TRUNK_INVALID;
        MLX5_ASSERT(pool->free_list == TRUNK_INVALID);
        pool->free_list = idx;
        /* Mark all entries as available. */
-       trunk->bmp = rte_bitmap_init_with_all_set(pool->cfg.trunk_size,
-                    &trunk->data[pool->cfg.trunk_size  * pool->cfg.size],
+       trunk->bmp = rte_bitmap_init_with_all_set(data_size, &trunk->data
+                    [RTE_CACHE_LINE_ROUNDUP(data_size * pool->cfg.size)],
                     bmp_size);
+       MLX5_ASSERT(trunk->bmp);
        pool->n_trunk_valid++;
 #ifdef POOL_DEBUG
        pool->trunk_new++;
@@ -244,10 +318,10 @@ mlx5_ipool_malloc(struct mlx5_indexed_pool *pool, uint32_t *idx)
        MLX5_ASSERT(slab);
        iidx += __builtin_ctzll(slab);
        MLX5_ASSERT(iidx != UINT32_MAX);
-       MLX5_ASSERT(iidx < pool->cfg.trunk_size);
+       MLX5_ASSERT(iidx < mlx5_trunk_size_get(pool, trunk->idx));
        rte_bitmap_clear(trunk->bmp, iidx);
        p = &trunk->data[iidx * pool->cfg.size];
-       iidx += trunk->idx * pool->cfg.trunk_size;
+       iidx += mlx5_trunk_idx_offset_get(pool, trunk->idx);
        iidx += 1; /* non-zero index. */
        trunk->free--;
 #ifdef POOL_DEBUG
@@ -286,21 +360,46 @@ mlx5_ipool_free(struct mlx5_indexed_pool *pool, uint32_t idx)
 {
        struct mlx5_indexed_trunk *trunk;
        uint32_t trunk_idx;
+       uint32_t entry_idx;
 
        if (!idx)
                return;
        idx -= 1;
        mlx5_ipool_lock(pool);
-       trunk_idx = idx / pool->cfg.trunk_size;
-       if (trunk_idx >= pool->n_trunk_valid)
+       trunk_idx = mlx5_trunk_idx_get(pool, idx);
+       if ((!pool->cfg.release_mem_en && trunk_idx >= pool->n_trunk_valid) ||
+           (pool->cfg.release_mem_en && trunk_idx >= pool->n_trunk))
                goto out;
        trunk = pool->trunks[trunk_idx];
-       if (!trunk || trunk_idx != trunk->idx ||
-           rte_bitmap_get(trunk->bmp, idx % pool->cfg.trunk_size))
+       if (!trunk)
+               goto out;
+       entry_idx = idx - mlx5_trunk_idx_offset_get(pool, trunk->idx);
+       if (trunk_idx != trunk->idx ||
+           rte_bitmap_get(trunk->bmp, entry_idx))
                goto out;
-       rte_bitmap_set(trunk->bmp, idx % pool->cfg.trunk_size);
+       rte_bitmap_set(trunk->bmp, entry_idx);
        trunk->free++;
-       if (trunk->free == 1) {
+       if (pool->cfg.release_mem_en && trunk->free == mlx5_trunk_size_get
+          (pool, trunk->idx)) {
+               if (pool->free_list == trunk->idx)
+                       pool->free_list = trunk->next;
+               if (trunk->next != TRUNK_INVALID)
+                       pool->trunks[trunk->next]->prev = trunk->prev;
+               if (trunk->prev != TRUNK_INVALID)
+                       pool->trunks[trunk->prev]->next = trunk->next;
+               pool->cfg.free(trunk);
+               pool->trunks[trunk_idx] = NULL;
+               pool->n_trunk_valid--;
+#ifdef POOL_DEBUG
+               pool->trunk_avail--;
+               pool->trunk_free++;
+#endif
+               if (pool->n_trunk_valid == 0) {
+                       pool->cfg.free(pool->trunks);
+                       pool->trunks = NULL;
+                       pool->n_trunk = 0;
+               }
+       } else if (trunk->free == 1) {
                /* Put into free trunk list head. */
                MLX5_ASSERT(pool->free_list != trunk->idx);
                trunk->next = pool->free_list;
@@ -326,19 +425,24 @@ mlx5_ipool_get(struct mlx5_indexed_pool *pool, uint32_t idx)
        struct mlx5_indexed_trunk *trunk;
        void *p = NULL;
        uint32_t trunk_idx;
+       uint32_t entry_idx;
 
        if (!idx)
                return NULL;
        idx -= 1;
        mlx5_ipool_lock(pool);
-       trunk_idx = idx / pool->cfg.trunk_size;
-       if (trunk_idx >= pool->n_trunk_valid)
+       trunk_idx = mlx5_trunk_idx_get(pool, idx);
+       if ((!pool->cfg.release_mem_en && trunk_idx >= pool->n_trunk_valid) ||
+           (pool->cfg.release_mem_en && trunk_idx >= pool->n_trunk))
                goto out;
        trunk = pool->trunks[trunk_idx];
-       if (!trunk || trunk_idx != trunk->idx ||
-           rte_bitmap_get(trunk->bmp, idx % pool->cfg.trunk_size))
+       if (!trunk)
+               goto out;
+       entry_idx = idx - mlx5_trunk_idx_offset_get(pool, trunk->idx);
+       if (trunk_idx != trunk->idx ||
+           rte_bitmap_get(trunk->bmp, entry_idx))
                goto out;
-       p = &trunk->data[(idx % pool->cfg.trunk_size) * pool->cfg.size];
+       p = &trunk->data[entry_idx * pool->cfg.size];
 out:
        mlx5_ipool_unlock(pool);
        return p;
@@ -378,3 +482,279 @@ mlx5_ipool_dump(struct mlx5_indexed_pool *pool)
               pool->trunk_empty, pool->trunk_avail, pool->trunk_free);
 #endif
 }
+
+struct mlx5_l3t_tbl *
+mlx5_l3t_create(enum mlx5_l3t_type type)
+{
+       struct mlx5_l3t_tbl *tbl;
+       struct mlx5_indexed_pool_config l3t_ip_cfg = {
+               .trunk_size = 16,
+               .grow_trunk = 6,
+               .grow_shift = 1,
+               .need_lock = 0,
+               .release_mem_en = 1,
+               .malloc = rte_malloc_socket,
+               .free = rte_free,
+       };
+
+       if (type >= MLX5_L3T_TYPE_MAX) {
+               rte_errno = EINVAL;
+               return NULL;
+       }
+       tbl = rte_zmalloc(NULL, sizeof(struct mlx5_l3t_tbl), 1);
+       if (!tbl) {
+               rte_errno = ENOMEM;
+               return NULL;
+       }
+       tbl->type = type;
+       switch (type) {
+       case MLX5_L3T_TYPE_WORD:
+               l3t_ip_cfg.size = sizeof(struct mlx5_l3t_entry_word) +
+                                 sizeof(uint16_t) * MLX5_L3T_ET_SIZE;
+               l3t_ip_cfg.type = "mlx5_l3t_e_tbl_w";
+               break;
+       case MLX5_L3T_TYPE_DWORD:
+               l3t_ip_cfg.size = sizeof(struct mlx5_l3t_entry_dword) +
+                                 sizeof(uint32_t) * MLX5_L3T_ET_SIZE;
+               l3t_ip_cfg.type = "mlx5_l3t_e_tbl_dw";
+               break;
+       case MLX5_L3T_TYPE_QWORD:
+               l3t_ip_cfg.size = sizeof(struct mlx5_l3t_entry_qword) +
+                                 sizeof(uint64_t) * MLX5_L3T_ET_SIZE;
+               l3t_ip_cfg.type = "mlx5_l3t_e_tbl_qw";
+               break;
+       default:
+               l3t_ip_cfg.size = sizeof(struct mlx5_l3t_entry_ptr) +
+                                 sizeof(void *) * MLX5_L3T_ET_SIZE;
+               l3t_ip_cfg.type = "mlx5_l3t_e_tbl_tpr";
+               break;
+       }
+       tbl->eip = mlx5_ipool_create(&l3t_ip_cfg);
+       if (!tbl->eip) {
+               rte_errno = ENOMEM;
+               rte_free(tbl);
+               tbl = NULL;
+       }
+       return tbl;
+}
+
+void
+mlx5_l3t_destroy(struct mlx5_l3t_tbl *tbl)
+{
+       struct mlx5_l3t_level_tbl *g_tbl, *m_tbl;
+       uint32_t i, j;
+
+       if (!tbl)
+               return;
+       g_tbl = tbl->tbl;
+       if (g_tbl) {
+               for (i = 0; i < MLX5_L3T_GT_SIZE; i++) {
+                       m_tbl = g_tbl->tbl[i];
+                       if (!m_tbl)
+                               continue;
+                       for (j = 0; j < MLX5_L3T_MT_SIZE; j++) {
+                               if (!m_tbl->tbl[j])
+                                       continue;
+                               MLX5_ASSERT(!((struct mlx5_l3t_entry_word *)
+                                           m_tbl->tbl[j])->ref_cnt);
+                               mlx5_ipool_free(tbl->eip,
+                                               ((struct mlx5_l3t_entry_word *)
+                                               m_tbl->tbl[j])->idx);
+                               m_tbl->tbl[j] = 0;
+                               if (!(--m_tbl->ref_cnt))
+                                       break;
+                       }
+                       MLX5_ASSERT(!m_tbl->ref_cnt);
+                       rte_free(g_tbl->tbl[i]);
+                       g_tbl->tbl[i] = 0;
+                       if (!(--g_tbl->ref_cnt))
+                               break;
+               }
+               MLX5_ASSERT(!g_tbl->ref_cnt);
+               rte_free(tbl->tbl);
+               tbl->tbl = 0;
+       }
+       mlx5_ipool_destroy(tbl->eip);
+       rte_free(tbl);
+}
+
+uint32_t
+mlx5_l3t_get_entry(struct mlx5_l3t_tbl *tbl, uint32_t idx,
+                  union mlx5_l3t_data *data)
+{
+       struct mlx5_l3t_level_tbl *g_tbl, *m_tbl;
+       void *e_tbl;
+       uint32_t entry_idx;
+
+       g_tbl = tbl->tbl;
+       if (!g_tbl)
+               return -1;
+       m_tbl = g_tbl->tbl[(idx >> MLX5_L3T_GT_OFFSET) & MLX5_L3T_GT_MASK];
+       if (!m_tbl)
+               return -1;
+       e_tbl = m_tbl->tbl[(idx >> MLX5_L3T_MT_OFFSET) & MLX5_L3T_MT_MASK];
+       if (!e_tbl)
+               return -1;
+       entry_idx = idx & MLX5_L3T_ET_MASK;
+       switch (tbl->type) {
+       case MLX5_L3T_TYPE_WORD:
+               data->word = ((struct mlx5_l3t_entry_word *)e_tbl)->entry
+                            [entry_idx];
+               break;
+       case MLX5_L3T_TYPE_DWORD:
+               data->dword = ((struct mlx5_l3t_entry_dword *)e_tbl)->entry
+                            [entry_idx];
+               break;
+       case MLX5_L3T_TYPE_QWORD:
+               data->qword = ((struct mlx5_l3t_entry_qword *)e_tbl)->entry
+                             [entry_idx];
+               break;
+       default:
+               data->ptr = ((struct mlx5_l3t_entry_ptr *)e_tbl)->entry
+                           [entry_idx];
+               break;
+       }
+       return 0;
+}
+
+void
+mlx5_l3t_clear_entry(struct mlx5_l3t_tbl *tbl, uint32_t idx)
+{
+       struct mlx5_l3t_level_tbl *g_tbl, *m_tbl;
+       struct mlx5_l3t_entry_word *w_e_tbl;
+       struct mlx5_l3t_entry_dword *dw_e_tbl;
+       struct mlx5_l3t_entry_qword *qw_e_tbl;
+       struct mlx5_l3t_entry_ptr *ptr_e_tbl;
+       void *e_tbl;
+       uint32_t entry_idx;
+       uint64_t ref_cnt;
+
+       g_tbl = tbl->tbl;
+       if (!g_tbl)
+               return;
+       m_tbl = g_tbl->tbl[(idx >> MLX5_L3T_GT_OFFSET) & MLX5_L3T_GT_MASK];
+       if (!m_tbl)
+               return;
+       e_tbl = m_tbl->tbl[(idx >> MLX5_L3T_MT_OFFSET) & MLX5_L3T_MT_MASK];
+       if (!e_tbl)
+               return;
+       entry_idx = idx & MLX5_L3T_ET_MASK;
+       switch (tbl->type) {
+       case MLX5_L3T_TYPE_WORD:
+               w_e_tbl = (struct mlx5_l3t_entry_word *)e_tbl;
+               w_e_tbl->entry[entry_idx] = 0;
+               ref_cnt = --w_e_tbl->ref_cnt;
+               break;
+       case MLX5_L3T_TYPE_DWORD:
+               dw_e_tbl = (struct mlx5_l3t_entry_dword *)e_tbl;
+               dw_e_tbl->entry[entry_idx] = 0;
+               ref_cnt = --dw_e_tbl->ref_cnt;
+               break;
+       case MLX5_L3T_TYPE_QWORD:
+               qw_e_tbl = (struct mlx5_l3t_entry_qword *)e_tbl;
+               qw_e_tbl->entry[entry_idx] = 0;
+               ref_cnt = --qw_e_tbl->ref_cnt;
+               break;
+       default:
+               ptr_e_tbl = (struct mlx5_l3t_entry_ptr *)e_tbl;
+               ptr_e_tbl->entry[entry_idx] = NULL;
+               ref_cnt = --ptr_e_tbl->ref_cnt;
+               break;
+       }
+       if (!ref_cnt) {
+               mlx5_ipool_free(tbl->eip,
+                               ((struct mlx5_l3t_entry_word *)e_tbl)->idx);
+               m_tbl->tbl[(idx >> MLX5_L3T_MT_OFFSET) & MLX5_L3T_MT_MASK] =
+                                                                       NULL;
+               if (!(--m_tbl->ref_cnt)) {
+                       rte_free(m_tbl);
+                       g_tbl->tbl
+                       [(idx >> MLX5_L3T_GT_OFFSET) & MLX5_L3T_GT_MASK] = NULL;
+                       if (!(--g_tbl->ref_cnt)) {
+                               rte_free(g_tbl);
+                               tbl->tbl = 0;
+                       }
+               }
+       }
+}
+
+uint32_t
+mlx5_l3t_set_entry(struct mlx5_l3t_tbl *tbl, uint32_t idx,
+                  union mlx5_l3t_data *data)
+{
+       struct mlx5_l3t_level_tbl *g_tbl, *m_tbl;
+       struct mlx5_l3t_entry_word *w_e_tbl;
+       struct mlx5_l3t_entry_dword *dw_e_tbl;
+       struct mlx5_l3t_entry_qword *qw_e_tbl;
+       struct mlx5_l3t_entry_ptr *ptr_e_tbl;
+       void *e_tbl;
+       uint32_t entry_idx, tbl_idx = 0;
+
+       /* Check the global table, create it if empty. */
+       g_tbl = tbl->tbl;
+       if (!g_tbl) {
+               g_tbl = rte_zmalloc(NULL, sizeof(struct mlx5_l3t_level_tbl) +
+                                   sizeof(void *) * MLX5_L3T_GT_SIZE, 1);
+               if (!g_tbl) {
+                       rte_errno = ENOMEM;
+                       return -1;
+               }
+               tbl->tbl = g_tbl;
+       }
+       /*
+        * Check the middle table, create it if empty. Ref_cnt will be
+        * increased if new sub table created.
+        */
+       m_tbl = g_tbl->tbl[(idx >> MLX5_L3T_GT_OFFSET) & MLX5_L3T_GT_MASK];
+       if (!m_tbl) {
+               m_tbl = rte_zmalloc(NULL, sizeof(struct mlx5_l3t_level_tbl) +
+                                   sizeof(void *) * MLX5_L3T_MT_SIZE, 1);
+               if (!m_tbl) {
+                       rte_errno = ENOMEM;
+                       return -1;
+               }
+               g_tbl->tbl[(idx >> MLX5_L3T_GT_OFFSET) & MLX5_L3T_GT_MASK] =
+                                                                       m_tbl;
+               g_tbl->ref_cnt++;
+       }
+       /*
+        * Check the entry table, create it if empty. Ref_cnt will be
+        * increased if new sub entry table created.
+        */
+       e_tbl = m_tbl->tbl[(idx >> MLX5_L3T_MT_OFFSET) & MLX5_L3T_MT_MASK];
+       if (!e_tbl) {
+               e_tbl = mlx5_ipool_zmalloc(tbl->eip, &tbl_idx);
+               if (!e_tbl) {
+                       rte_errno = ENOMEM;
+                       return -1;
+               }
+               ((struct mlx5_l3t_entry_word *)e_tbl)->idx = tbl_idx;
+               m_tbl->tbl[(idx >> MLX5_L3T_MT_OFFSET) & MLX5_L3T_MT_MASK] =
+                                                                       e_tbl;
+               m_tbl->ref_cnt++;
+       }
+       entry_idx = idx & MLX5_L3T_ET_MASK;
+       switch (tbl->type) {
+       case MLX5_L3T_TYPE_WORD:
+               w_e_tbl = (struct mlx5_l3t_entry_word *)e_tbl;
+               w_e_tbl->entry[entry_idx] = data->word;
+               w_e_tbl->ref_cnt++;
+               break;
+       case MLX5_L3T_TYPE_DWORD:
+               dw_e_tbl = (struct mlx5_l3t_entry_dword *)e_tbl;
+               dw_e_tbl->entry[entry_idx] = data->dword;
+               dw_e_tbl->ref_cnt++;
+               break;
+       case MLX5_L3T_TYPE_QWORD:
+               qw_e_tbl = (struct mlx5_l3t_entry_qword *)e_tbl;
+               qw_e_tbl->entry[entry_idx] = data->qword;
+               qw_e_tbl->ref_cnt++;
+               break;
+       default:
+               ptr_e_tbl = (struct mlx5_l3t_entry_ptr *)e_tbl;
+               ptr_e_tbl->entry[entry_idx] = data->ptr;
+               ptr_e_tbl->ref_cnt++;
+               break;
+       }
+       return 0;
+}