diff options
Diffstat (limited to 'vnet/vnet/lisp-gpe/lisp_gpe_tenant.c')
-rw-r--r-- | vnet/vnet/lisp-gpe/lisp_gpe_tenant.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/vnet/vnet/lisp-gpe/lisp_gpe_tenant.c b/vnet/vnet/lisp-gpe/lisp_gpe_tenant.c deleted file mode 100644 index 6abb7731830..00000000000 --- a/vnet/vnet/lisp-gpe/lisp_gpe_tenant.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <vnet/lisp-gpe/lisp_gpe_tenant.h> - -/** - * The pool of all tenants - */ -static lisp_gpe_tenant_t *lisp_gpe_tenant_pool; - -/** - * The hash table of all tenants: key:{VNI}. - */ -uword *lisp_gpe_tenant_db; - -static lisp_gpe_tenant_t * -lisp_gpe_tenant_find (u32 vni) -{ - uword *p; - - p = hash_get (lisp_gpe_tenant_db, vni); - - if (NULL == p) - return (NULL); - - return (pool_elt_at_index (lisp_gpe_tenant_pool, p[0])); -} - -static lisp_gpe_tenant_t * -lisp_gpe_tenant_find_or_create_i (u32 vni) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find (vni); - - if (NULL == lt) - { - pool_get (lisp_gpe_tenant_pool, lt); - memset (lt, 0, sizeof (*lt)); - - lt->lt_vni = vni; - lt->lt_table_id = ~0; - lt->lt_bd_id = ~0; - - hash_set (lisp_gpe_tenant_db, vni, lt - lisp_gpe_tenant_pool); - } - - return (lt); -} - -/** - * @brief Find or create a tenant for the given VNI - */ -u32 -lisp_gpe_tenant_find_or_create (u32 vni) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find (vni); - - if (NULL == lt) - { - lt = lisp_gpe_tenant_find_or_create_i (vni); - } - - return (lt - lisp_gpe_tenant_pool); -} - -/** - * @brief If there are no more locks/users of te tenant, then delete it - */ -static void -lisp_gpe_tenant_delete_if_empty (lisp_gpe_tenant_t * lt) -{ - int i; - - for (i = 0; i < LISP_GPE_TENANT_LOCK_NUM; i++) - { - if (lt->lt_locks[i]) - return; - } - - hash_unset (lisp_gpe_tenant_db, lt->lt_vni); - pool_put (lisp_gpe_tenant_pool, lt); -} - -/** - * @brief Add/create and lock a new or find and lock the existing L3 - * interface for the tenant - * - * @paran vni The tenant's VNI - * @param table_id the Tenant's L3 table ID. - * - * @return the SW IF index of the L3 interface - */ -u32 -lisp_gpe_tenant_l3_iface_add_or_lock (u32 vni, u32 table_id) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find_or_create_i (vni); - - if (~0 == lt->lt_table_id) - lt->lt_table_id = table_id; - - ASSERT (lt->lt_table_id == table_id); - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L3_IFACE]) - { - /* create the l3 interface since there are currently no users of it */ - lt->lt_l3_sw_if_index = - lisp_gpe_add_l3_iface (&lisp_gpe_main, vni, table_id); - } - - lt->lt_locks[LISP_GPE_TENANT_LOCK_L3_IFACE]++; - - return (lt->lt_l3_sw_if_index); -} - -/** - * @brief Release the lock held on the tenant's L3 interface - */ -void -lisp_gpe_tenant_l3_iface_unlock (u32 vni) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find (vni); - - if (NULL == lt) - { - clib_warning ("No tenant for VNI %d", vni); - return; - } - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L3_IFACE]) - { - clib_warning ("No L3 interface for tenant VNI %d", vni); - return; - } - - lt->lt_locks[LISP_GPE_TENANT_LOCK_L3_IFACE]--; - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L3_IFACE]) - { - /* the last user has gone, so delete the l3 interface */ - lisp_gpe_del_l3_iface (&lisp_gpe_main, vni, lt->lt_table_id); - } - - /* - * If there are no more locks on any tenant managed resource, then - * this tenant is toast. - */ - lisp_gpe_tenant_delete_if_empty (lt); -} - -/** - * @brief Add/create and lock a new or find and lock the existing L2 - * interface for the tenant - * - * @paran vni The tenant's VNI - * @param table_id the Tenant's L2 Bridge Domain ID. - * - * @return the SW IF index of the L2 interface - */ -u32 -lisp_gpe_tenant_l2_iface_add_or_lock (u32 vni, u32 bd_id) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find_or_create_i (vni); - - if (NULL == lt) - { - clib_warning ("No tenant for VNI %d", vni); - return ~0; - } - - if (~0 == lt->lt_bd_id) - lt->lt_bd_id = bd_id; - - ASSERT (lt->lt_bd_id == bd_id); - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L2_IFACE]) - { - /* create the l2 interface since there are currently no users of it */ - lt->lt_l2_sw_if_index = - lisp_gpe_add_l2_iface (&lisp_gpe_main, vni, bd_id); - } - - lt->lt_locks[LISP_GPE_TENANT_LOCK_L2_IFACE]++; - - return (lt->lt_l2_sw_if_index); -} - -/** - * @brief Release the lock held on the tenant's L3 interface - */ -void -lisp_gpe_tenant_l2_iface_unlock (u32 vni) -{ - lisp_gpe_tenant_t *lt; - - lt = lisp_gpe_tenant_find (vni); - - if (NULL == lt) - { - clib_warning ("No tenant for VNI %d", vni); - return; - } - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L2_IFACE]) - { - clib_warning ("No L2 interface for tenant VNI %d", vni); - return; - } - - lt->lt_locks[LISP_GPE_TENANT_LOCK_L2_IFACE]--; - - if (0 == lt->lt_locks[LISP_GPE_TENANT_LOCK_L2_IFACE]) - { - /* the last user has gone, so delete the l2 interface */ - lisp_gpe_del_l2_iface (&lisp_gpe_main, vni, lt->lt_bd_id); - } - - /* - * If there are no more locks on any tenant managed resource, then - * this tenant is toast. - */ - lisp_gpe_tenant_delete_if_empty (lt); -} - -/** - * @brief get a const pointer to the tenant object - */ -const lisp_gpe_tenant_t * -lisp_gpe_tenant_get (u32 index) -{ - return (pool_elt_at_index (lisp_gpe_tenant_pool, index)); -} - -/** - * @brief Flush/delete ALL the tenants - */ -void -lisp_gpe_tenant_flush (void) -{ - lisp_gpe_tenant_t *lt; - - /* *INDENT-OFF* */ - pool_foreach(lt, lisp_gpe_tenant_pool, - ({ - lisp_gpe_tenant_l2_iface_unlock(lt->lt_vni); - lisp_gpe_tenant_l3_iface_unlock(lt->lt_vni); - })); - /* *INDENT-ON* */ -} - -/** - * @brif Show/display one tenant - */ -static u8 * -format_lisp_gpe_tenant (u8 * s, va_list ap) -{ - const lisp_gpe_tenant_t *lt = va_arg (ap, lisp_gpe_tenant_t *); - - s = format (s, "VNI:%d ", lt->lt_vni); - - if (lt->lt_table_id != ~0) - { - s = format (s, "VRF:%d ", lt->lt_table_id); - s = format (s, "L3-SW-IF:%d ", lt->lt_l3_sw_if_index); - } - - if (lt->lt_bd_id != ~0) - { - s = format (s, "BD-ID:%d ", lt->lt_bd_id); - s = format (s, "L2-SW-IF:%d ", lt->lt_l2_sw_if_index); - } - - return (s); -} - -/** - * @brief CLI command to show LISP-GPE tenant. - */ -static clib_error_t * -lisp_gpe_tenant_show (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - lisp_gpe_tenant_t *lt; - - /* *INDENT-OFF* */ - pool_foreach (lt, lisp_gpe_tenant_pool, - ({ - vlib_cli_output (vm, "%U", format_lisp_gpe_tenant, lt); - })); - /* *INDENT-ON* */ - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lisp_gpe_tenant_command) = { - .path = "show lisp gpe tenant", - .short_help = "show lisp gpe tenant", - .function = lisp_gpe_tenant_show, -}; -/* *INDENT-ON* */ - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |