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Diffstat (limited to 'src/vnet/nhrp/nhrp.c')
| -rw-r--r-- | src/vnet/nhrp/nhrp.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/vnet/nhrp/nhrp.c b/src/vnet/nhrp/nhrp.c deleted file mode 100644 index 11d2c2be027..00000000000 --- a/src/vnet/nhrp/nhrp.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * nhrp.h: next-hop resolution - * - * 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/nhrp/nhrp.h> -#include <vnet/fib/fib_table.h> -#include <vnet/adj/adj_midchain.h> - -typedef struct nhrp_key_t_ -{ - ip46_address_t nk_peer; - u32 nk_sw_if_index; -} nhrp_key_t; - -struct nhrp_entry_t_ -{ - nhrp_key_t *ne_key; - fib_prefix_t ne_nh; - u32 ne_fib_index; -}; - -static uword *nhrp_db; -static nhrp_entry_t *nhrp_pool; -static nhrp_vft_t *nhrp_vfts; - -#define NHRP_NOTIFY(_ne, _fn) { \ - nhrp_vft_t *_vft; \ - vec_foreach(_vft, nhrp_vfts) { \ - if (_vft->_fn) { \ - _vft->_fn(_ne); \ - } \ - } \ -} - -u32 -nhrp_entry_get_sw_if_index (const nhrp_entry_t * ne) -{ - return (ne->ne_key->nk_sw_if_index); -} - -u32 -nhrp_entry_get_fib_index (const nhrp_entry_t * ne) -{ - return (ne->ne_fib_index); -} - -const ip46_address_t * -nhrp_entry_get_peer (const nhrp_entry_t * ne) -{ - return (&ne->ne_key->nk_peer); -} - -const fib_prefix_t * -nhrp_entry_get_nh (const nhrp_entry_t * ne) -{ - return (&ne->ne_nh); -} - -void -nhrp_entry_adj_stack (const nhrp_entry_t * ne, adj_index_t ai) -{ - adj_midchain_delegate_stack (ai, ne->ne_fib_index, &ne->ne_nh); -} - -nhrp_entry_t * -nhrp_entry_get (index_t nei) -{ - return pool_elt_at_index (nhrp_pool, nei); -} - -nhrp_entry_t * -nhrp_entry_find (u32 sw_if_index, const ip46_address_t * peer) -{ - nhrp_key_t nk = { - .nk_peer = *peer, - .nk_sw_if_index = sw_if_index, - }; - uword *p; - - p = hash_get_mem (nhrp_db, &nk); - - if (NULL != p) - return nhrp_entry_get (p[0]); - - return (NULL); -} - -int -nhrp_entry_add (u32 sw_if_index, - const ip46_address_t * peer, - u32 nh_table_id, const ip46_address_t * nh) -{ - fib_protocol_t fproto; - nhrp_entry_t *ne; - u32 fib_index; - index_t nei; - - fproto = (ip46_address_is_ip4 (nh) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6); - - fib_index = fib_table_find (fproto, nh_table_id); - - if (~0 == fib_index) - { - return (VNET_API_ERROR_NO_SUCH_FIB); - } - - ne = nhrp_entry_find (sw_if_index, peer); - - if (NULL == ne) - { - nhrp_key_t nk = { - .nk_peer = *peer, - .nk_sw_if_index = sw_if_index, - }; - nhrp_entry_t *ne; - - pool_get_zero (nhrp_pool, ne); - - nei = ne - nhrp_pool; - ne->ne_key = clib_mem_alloc (sizeof (*ne->ne_key)); - clib_memcpy (ne->ne_key, &nk, sizeof (*ne->ne_key)); - - ip46_address_copy (&ne->ne_nh.fp_addr, nh); - ne->ne_nh.fp_proto = fproto; - ne->ne_nh.fp_len = (ne->ne_nh.fp_proto == FIB_PROTOCOL_IP4 ? 32 : 128); - ne->ne_fib_index = fib_index; - - hash_set_mem (nhrp_db, ne->ne_key, nei); - - NHRP_NOTIFY (ne, nv_added); - } - else - return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS); - - return 0; -} - -int -nhrp_entry_del (u32 sw_if_index, const ip46_address_t * peer) -{ - nhrp_entry_t *ne; - - ne = nhrp_entry_find (sw_if_index, peer); - - if (ne != NULL) - { - hash_unset_mem (nhrp_db, ne->ne_key); - - NHRP_NOTIFY (ne, nv_deleted); - - clib_mem_free (ne->ne_key); - pool_put (nhrp_pool, ne); - } - else - return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS); - - return 0; -} - -u8 * -format_nhrp_entry (u8 * s, va_list * args) -{ - index_t nei = va_arg (*args, index_t); - vnet_main_t *vnm = vnet_get_main (); - nhrp_entry_t *ne; - - ne = nhrp_entry_get (nei); - - s = format (s, "[%d] ", nei); - s = format (s, "%U:", format_vnet_sw_if_index_name, - vnm, ne->ne_key->nk_sw_if_index); - s = format (s, " %U", format_ip46_address, - &ne->ne_key->nk_peer, IP46_TYPE_ANY); - s = format (s, " via [%d]:%U", - fib_table_get_table_id (ne->ne_fib_index, ne->ne_nh.fp_proto), - format_fib_prefix, &ne->ne_nh); - - return (s); -} - -void -nhrp_walk (nhrp_walk_cb_t fn, void *ctx) -{ - index_t nei; - - /* *INDENT-OFF* */ - pool_foreach_index(nei, nhrp_pool, - ({ - fn(nei, ctx); - })); - /* *INDENT-ON* */ -} - -void -nhrp_walk_itf (u32 sw_if_index, nhrp_walk_cb_t fn, void *ctx) -{ - index_t nei; - - /* *INDENT-OFF* */ - pool_foreach_index(nei, nhrp_pool, - ({ - if (sw_if_index == nhrp_entry_get_sw_if_index(nhrp_entry_get(nei))) - fn(nei, ctx); - })); - /* *INDENT-ON* */ -} - -void -nhrp_register (const nhrp_vft_t * vft) -{ - vec_add1 (nhrp_vfts, *vft); -} - -static clib_error_t * -nhrp_init (vlib_main_t * vm) -{ - nhrp_db = hash_create_mem (0, sizeof (nhrp_key_t), sizeof (u32)); - - return (NULL); -} - -VLIB_INIT_FUNCTION (nhrp_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |