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;
+}
git.droids-corp.org / dpdk.git / blobdiff