diff options
Diffstat (limited to 'vnet/vnet/lisp-gpe/lisp_gpe_sub_interface.c')
| -rw-r--r-- | vnet/vnet/lisp-gpe/lisp_gpe_sub_interface.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/vnet/vnet/lisp-gpe/lisp_gpe_sub_interface.c b/vnet/vnet/lisp-gpe/lisp_gpe_sub_interface.c deleted file mode 100644 index 5b69bd157b8..00000000000 --- a/vnet/vnet/lisp-gpe/lisp_gpe_sub_interface.c +++ /dev/null @@ -1,278 +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. - */ -/** - * @file - * @brief LISP sub-interfaces. - * - */ -#include <vnet/lisp-gpe/lisp_gpe_tenant.h> -#include <vnet/lisp-gpe/lisp_gpe_sub_interface.h> -#include <vnet/fib/fib_table.h> -#include <vnet/interface.h> - -/** - * @brief Pool of all l3-sub-interfaces - */ -static lisp_gpe_sub_interface_t *lisp_gpe_sub_interface_pool; - -/** - * A DB of all LISP L3 sub-interfaces. The key is:{VNI,l-RLOC} - */ -static uword *lisp_gpe_sub_interfaces; - -/** - * A DB of all VNET L3 sub-interfaces. The key is:{VNI,l-RLOC} - * Used in the data-plane for interface lookup on decap. - */ -uword *lisp_gpe_sub_interfaces_sw_if_index; - -/** - * The next available sub-interface ID. FIXME - */ -static u32 lisp_gpe_sub_interface_id; - - -static index_t -lisp_gpe_sub_interface_db_find (const ip_address_t * lrloc, u32 vni) -{ - uword *p; - - lisp_gpe_sub_interface_key_t key = { - .local_rloc = *lrloc, - .vni = clib_host_to_net_u32 (vni), - }; - - p = hash_get_mem (lisp_gpe_sub_interfaces, &key); - - if (NULL == p) - return (INDEX_INVALID); - else - return (p[0]); -} - -static void -lisp_gpe_sub_interface_db_insert (const lisp_gpe_sub_interface_t * l3s) -{ - hash_set_mem (lisp_gpe_sub_interfaces, - &l3s->key, l3s - lisp_gpe_sub_interface_pool); - hash_set_mem (lisp_gpe_sub_interfaces_sw_if_index, - &l3s->key, l3s->sw_if_index); -} - -static void -lisp_gpe_sub_interface_db_remove (const lisp_gpe_sub_interface_t * l3s) -{ - hash_unset_mem (lisp_gpe_sub_interfaces, &l3s->key); - hash_unset_mem (lisp_gpe_sub_interfaces_sw_if_index, &l3s->key); -} - -lisp_gpe_sub_interface_t * -lisp_gpe_sub_interface_get_i (index_t l3si) -{ - return (pool_elt_at_index (lisp_gpe_sub_interface_pool, l3si)); -} - -static void -lisp_gpe_sub_interface_set_table (u32 sw_if_index, u32 table_id) -{ - fib_node_index_t fib_index; - - fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, table_id); - ASSERT (FIB_NODE_INDEX_INVALID != fib_index); - - vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index); - ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index; - - fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6, table_id); - ASSERT (FIB_NODE_INDEX_INVALID != fib_index); - - vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index); - ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index; -} - -static void -lisp_gpe_sub_interface_unset_table (u32 sw_if_index, u32 table_id) -{ - ip4_main.fib_index_by_sw_if_index[sw_if_index] = 0; - ip4_sw_interface_enable_disable (sw_if_index, 0); - - ip6_main.fib_index_by_sw_if_index[sw_if_index] = 0; - ip6_sw_interface_enable_disable (sw_if_index, 0); -} - -index_t -lisp_gpe_sub_interface_find_or_create_and_lock (const ip_address_t * lrloc, - u32 overlay_table_id, u32 vni) -{ - lisp_gpe_sub_interface_t *l3s; - index_t l3si; - - l3si = lisp_gpe_sub_interface_db_find (lrloc, clib_host_to_net_u32 (vni)); - - if (INDEX_INVALID == l3si) - { - u32 main_sw_if_index, sub_sw_if_index; - - /* - * find the main interface from the VNI - */ - main_sw_if_index = - lisp_gpe_tenant_l3_iface_add_or_lock (vni, overlay_table_id); - - vnet_sw_interface_t sub_itf_template = { - .type = VNET_SW_INTERFACE_TYPE_SUB, - .flood_class = VNET_FLOOD_CLASS_NORMAL, - .sup_sw_if_index = main_sw_if_index, - .sub.id = lisp_gpe_sub_interface_id++, - }; - - if (NULL != vnet_create_sw_interface (vnet_get_main (), - &sub_itf_template, - &sub_sw_if_index)) - return (INDEX_INVALID); - - pool_get (lisp_gpe_sub_interface_pool, l3s); - memset (l3s, 0, sizeof (*l3s)); - l3s->key = clib_mem_alloc (sizeof (*l3s->key)); - memset (l3s->key, 0, sizeof (*l3s->key)); - - l3s->key->local_rloc = *lrloc; - l3s->key->vni = clib_host_to_net_u32 (vni); - l3s->main_sw_if_index = main_sw_if_index; - l3s->sw_if_index = sub_sw_if_index; - l3s->eid_table_id = overlay_table_id; - - l3si = (l3s - lisp_gpe_sub_interface_pool); - - // FIXME. enable When we get an adj - ip6_sw_interface_enable_disable (l3s->sw_if_index, 1); - ip4_sw_interface_enable_disable (l3s->sw_if_index, 1); - - vnet_sw_interface_set_flags (vnet_get_main (), - l3s->sw_if_index, - VNET_SW_INTERFACE_FLAG_ADMIN_UP); - - lisp_gpe_sub_interface_db_insert (l3s); - } - else - { - l3s = lisp_gpe_sub_interface_get_i (l3si); - l3s->eid_table_id = overlay_table_id; - } - - lisp_gpe_sub_interface_set_table (l3s->sw_if_index, l3s->eid_table_id); - l3s->locks++; - - return (l3si); -} - -void -lisp_gpe_sub_interface_unlock (index_t l3si) -{ - lisp_gpe_sub_interface_t *l3s; - - l3s = lisp_gpe_sub_interface_get_i (l3si); - - l3s->locks--; - - if (0 == l3s->locks) - { - lisp_gpe_sub_interface_unset_table (l3s->sw_if_index, - l3s->eid_table_id); - - lisp_gpe_tenant_l3_iface_unlock (clib_net_to_host_u32 (l3s->key->vni)); - vnet_sw_interface_set_flags (vnet_get_main (), l3s->sw_if_index, 0); - vnet_delete_sub_interface (l3s->sw_if_index); - - lisp_gpe_sub_interface_db_remove (l3s); - - clib_mem_free (l3s->key); - pool_put (lisp_gpe_sub_interface_pool, l3s); - } -} - -const lisp_gpe_sub_interface_t * -lisp_gpe_sub_interface_get (index_t l3si) -{ - return (lisp_gpe_sub_interface_get_i (l3si)); -} - -u8 * -format_lisp_gpe_sub_interface (u8 * s, va_list ap) -{ - lisp_gpe_sub_interface_t *l3s = va_arg (ap, lisp_gpe_sub_interface_t *); - vnet_main_t *vnm = vnet_get_main (); - - s = format (s, "%=16U", - format_vnet_sw_interface_name, - vnm, vnet_get_sw_interface (vnm, l3s->sw_if_index)); - s = format (s, "%=10d", clib_net_to_host_u32 (l3s->key->vni)); - s = format (s, "%=12d", l3s->sw_if_index); - s = format (s, "%U", format_ip_address, &l3s->key->local_rloc); - - return (s); -} - -/** CLI command to show LISP-GPE interfaces. */ -static clib_error_t * -lisp_gpe_sub_interface_show (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - lisp_gpe_sub_interface_t *l3s; - - vlib_cli_output (vm, "%=16s%=10s%=12s%s", "Name", "VNI", "SW IF Index", - "local RLOC"); - - /* *INDENT-OFF* */ - pool_foreach (l3s, lisp_gpe_sub_interface_pool, - ({ - vlib_cli_output (vm, "%U", format_lisp_gpe_sub_interface, l3s); - })); - /* *INDENT-ON* */ - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lisp_gpe_sub_interface_command) = { - .path = "show lisp gpe sub-interface", - .short_help = "show lisp gpe sub-interface", - .function = lisp_gpe_sub_interface_show, -}; -/* *INDENT-ON* */ - -static clib_error_t * -lisp_gpe_sub_interface_module_init (vlib_main_t * vm) -{ - lisp_gpe_sub_interfaces = - hash_create_mem (0, - sizeof (lisp_gpe_sub_interface_key_t), sizeof (uword)); - lisp_gpe_sub_interfaces_sw_if_index = - hash_create_mem (0, - sizeof (lisp_gpe_sub_interface_key_t), sizeof (uword)); - - return (NULL); -} - -VLIB_INIT_FUNCTION (lisp_gpe_sub_interface_module_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |