diff options
Diffstat (limited to 'src/vnet/teib')
-rw-r--r-- | src/vnet/teib/teib.c | 144 | ||||
-rw-r--r-- | src/vnet/teib/teib.h | 18 | ||||
-rw-r--r-- | src/vnet/teib/teib_api.c | 18 | ||||
-rw-r--r-- | src/vnet/teib/teib_cli.c | 20 |
4 files changed, 90 insertions, 110 deletions
diff --git a/src/vnet/teib/teib.c b/src/vnet/teib/teib.c index 0f33d087a50..69ed416b41a 100644 --- a/src/vnet/teib/teib.c +++ b/src/vnet/teib/teib.c @@ -1,7 +1,7 @@ /* - * teib.h: next-hop resolution + * teib.h: Tunnel Endpoint Information Base * - * Copyright (c) 2016 Cisco and/or its affiliates. + * Copyright (c) 2020 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: @@ -23,11 +23,13 @@ typedef struct teib_key_t_ { - ip46_address_t tk_peer; + ip_address_t tk_peer; + u8 __pad[3]; u32 tk_sw_if_index; - fib_protocol_t tk_proto; } __clib_packed teib_key_t; +STATIC_ASSERT_SIZEOF (teib_key_t, 24); + struct teib_entry_t_ { teib_key_t *te_key; @@ -35,7 +37,13 @@ struct teib_entry_t_ u32 te_fib_index; }; -static uword *teib_db[FIB_PROTOCOL_IP_MAX]; +typedef struct teib_db_t_ +{ + u32 td_n_entries[N_AF]; + uword *td_db; +} teib_db_t; + +static teib_db_t teib_db; static teib_entry_t *teib_pool; static teib_vft_t *teib_vfts; static vlib_log_class_t teib_logger; @@ -66,10 +74,10 @@ teib_entry_get_sw_if_index (const teib_entry_t * te) return (te->te_key->tk_sw_if_index); } -fib_protocol_t -teib_entry_get_proto (const teib_entry_t * te) +static ip_address_family_t +teib_entry_get_af (const teib_entry_t * te) { - return (te->te_key->tk_proto); + return (ip_addr_version (&te->te_key->tk_peer)); } u32 @@ -78,7 +86,7 @@ teib_entry_get_fib_index (const teib_entry_t * te) return (te->te_fib_index); } -const ip46_address_t * +const ip_address_t * teib_entry_get_peer (const teib_entry_t * te) { return (&te->te_key->tk_peer); @@ -103,17 +111,15 @@ teib_entry_get (index_t tei) } teib_entry_t * -teib_entry_find (u32 sw_if_index, - fib_protocol_t fproto, const ip46_address_t * peer) +teib_entry_find (u32 sw_if_index, const ip_address_t * peer) { teib_key_t nk = { .tk_peer = *peer, - .tk_proto = fproto, .tk_sw_if_index = sw_if_index, }; uword *p; - p = hash_get_mem (teib_db[fproto], &nk); + p = hash_get_mem (teib_db.td_db, &nk); if (NULL != p) return teib_entry_get (p[0]); @@ -121,26 +127,34 @@ teib_entry_find (u32 sw_if_index, return (NULL); } +teib_entry_t * +teib_entry_find_46 (u32 sw_if_index, + fib_protocol_t fproto, const ip46_address_t * peer) +{ + ip_address_t ip; + + ip_address_from_46 (peer, fproto, &ip); + + return (teib_entry_find (sw_if_index, &ip)); +} + static void -teib_adj_fib_add (fib_protocol_t fproto, - const ip46_address_t * ip, u32 sw_if_index, u32 fib_index) +teib_adj_fib_add (const ip_address_t * ip, u32 sw_if_index, u32 fib_index) { - if (FIB_PROTOCOL_IP6 == fproto && - ip6_address_is_link_local_unicast (&ip->ip6)) + if (AF_IP6 == ip_addr_version (ip) && + ip6_address_is_link_local_unicast (&ip_addr_v6 (ip))) { ip6_ll_prefix_t pfx = { - .ilp_addr = ip->ip6, + .ilp_addr = ip_addr_v6 (ip), .ilp_sw_if_index = sw_if_index, }; ip6_ll_table_entry_update (&pfx, FIB_ROUTE_PATH_FLAG_NONE); } else { - fib_prefix_t pfx = { - .fp_len = (FIB_PROTOCOL_IP4 == fproto ? 32 : 128), - .fp_proto = fproto, - .fp_addr = *ip, - }; + fib_prefix_t pfx; + + ip_address_to_fib_prefix (ip, &pfx); fib_table_entry_path_add (fib_index, &pfx, FIB_SOURCE_ADJ, FIB_ENTRY_FLAG_ATTACHED, fib_proto_to_dpo (pfx.fp_proto), @@ -149,55 +163,51 @@ teib_adj_fib_add (fib_protocol_t fproto, ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE); - if (1 == hash_elts (teib_db[pfx.fp_proto])) + if (0 == teib_db.td_n_entries[ip_addr_version (ip)]++) fib_table_lock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ); } } static void -teib_adj_fib_remove (fib_protocol_t fproto, - ip46_address_t * ip, u32 sw_if_index, u32 fib_index) +teib_adj_fib_remove (ip_address_t * ip, u32 sw_if_index, u32 fib_index) { - if (FIB_PROTOCOL_IP6 == fproto && - ip6_address_is_link_local_unicast (&ip->ip6)) + if (AF_IP6 == ip_addr_version (ip) && + ip6_address_is_link_local_unicast (&ip_addr_v6 (ip))) { ip6_ll_prefix_t pfx = { - .ilp_addr = ip->ip6, + .ilp_addr = ip_addr_v6 (ip), .ilp_sw_if_index = sw_if_index, }; ip6_ll_table_entry_delete (&pfx); } else { - fib_prefix_t pfx = { - .fp_len = (FIB_PROTOCOL_IP4 == fproto ? 32 : 128), - .fp_proto = fproto, - .fp_addr = *ip, - }; + fib_prefix_t pfx; + ip_address_to_fib_prefix (ip, &pfx); fib_table_entry_path_remove (fib_index, &pfx, FIB_SOURCE_ADJ, fib_proto_to_dpo (pfx.fp_proto), &pfx.fp_addr, sw_if_index, ~0, 1, FIB_ROUTE_PATH_FLAG_NONE); - if (0 == hash_elts (teib_db[pfx.fp_proto])) + if (0 == --teib_db.td_n_entries[ip_addr_version (ip)]) fib_table_unlock (fib_index, pfx.fp_proto, FIB_SOURCE_ADJ); } } int teib_entry_add (u32 sw_if_index, - fib_protocol_t fproto, - const ip46_address_t * peer, - u32 nh_table_id, const ip46_address_t * nh) + const ip_address_t * peer, + u32 nh_table_id, const ip_address_t * nh) { fib_protocol_t nh_proto; teib_entry_t *te; u32 fib_index; index_t tei; - nh_proto = (ip46_address_is_ip4 (nh) ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6); + nh_proto = (AF_IP4 == ip_addr_version (nh) ? + FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6); fib_index = fib_table_find (nh_proto, nh_table_id); @@ -206,19 +216,18 @@ teib_entry_add (u32 sw_if_index, return (VNET_API_ERROR_NO_SUCH_FIB); } - te = teib_entry_find (sw_if_index, fproto, peer); + te = teib_entry_find (sw_if_index, peer); if (NULL == te) { teib_key_t nk = { .tk_peer = *peer, - .tk_proto = fproto, .tk_sw_if_index = sw_if_index, }; teib_entry_t *te; u32 fib_index; - fib_index = fib_table_get_index_for_sw_if_index (fproto, sw_if_index); + fib_index = fib_table_get_index_for_sw_if_index (nh_proto, sw_if_index); pool_get_zero (teib_pool, te); @@ -226,16 +235,13 @@ teib_entry_add (u32 sw_if_index, te->te_key = clib_mem_alloc (sizeof (*te->te_key)); clib_memcpy (te->te_key, &nk, sizeof (*te->te_key)); - ip46_address_copy (&te->te_nh.fp_addr, nh); - te->te_nh.fp_proto = fproto; - te->te_nh.fp_len = (te->te_nh.fp_proto == FIB_PROTOCOL_IP4 ? 32 : 128); + ip_address_to_fib_prefix (nh, &te->te_nh); te->te_fib_index = fib_index; - hash_set_mem (teib_db[fproto], te->te_key, tei); + hash_set_mem (teib_db.td_db, te->te_key, tei); /* we how have a /32 in the overlay, add an adj-fib */ - teib_adj_fib_add (te->te_key->tk_proto, - &te->te_key->tk_peer, sw_if_index, fib_index); + teib_adj_fib_add (&te->te_key->tk_peer, sw_if_index, fib_index); TEIB_NOTIFY (te, nv_added); TEIB_TE_INFO (te, "created"); @@ -249,12 +255,11 @@ teib_entry_add (u32 sw_if_index, } int -teib_entry_del (u32 sw_if_index, - fib_protocol_t fproto, const ip46_address_t * peer) +teib_entry_del (u32 sw_if_index, const ip_address_t * peer) { teib_entry_t *te; - te = teib_entry_find (sw_if_index, fproto, peer); + te = teib_entry_find (sw_if_index, peer); if (te != NULL) { @@ -262,12 +267,13 @@ teib_entry_del (u32 sw_if_index, u32 fib_index; - fib_index = fib_table_get_index_for_sw_if_index (fproto, sw_if_index); + fib_index = fib_table_get_index_for_sw_if_index + (ip_address_family_to_fib_proto (ip_addr_version (peer)), + sw_if_index); - teib_adj_fib_remove (te->te_key->tk_proto, - &te->te_key->tk_peer, sw_if_index, fib_index); + teib_adj_fib_remove (&te->te_key->tk_peer, sw_if_index, fib_index); - hash_unset_mem (teib_db[fproto], te->te_key); + hash_unset_mem (teib_db.td_db, te->te_key); TEIB_NOTIFY (te, nv_deleted); @@ -278,9 +284,7 @@ teib_entry_del (u32 sw_if_index, { TEIB_INFO ("no such entry: %U, %U, %U", format_vnet_sw_if_index_name, - vnet_get_main (), sw_if_index, - format_fib_protocol, fproto, - format_ip46_address, peer, IP46_TYPE_ANY); + vnet_get_main (), sw_if_index, format_ip_address, peer); return (VNET_API_ERROR_NO_SUCH_ENTRY); } return 0; @@ -298,8 +302,7 @@ format_teib_entry (u8 * s, va_list * args) s = format (s, "[%d] ", tei); s = format (s, "%U:", format_vnet_sw_if_index_name, vnm, te->te_key->tk_sw_if_index); - s = format (s, " %U:", format_fib_protocol, te->te_key->tk_proto); - s = format (s, "%U", format_ip46_address, + s = format (s, "%U", format_ip_address, &te->te_key->tk_peer, IP46_TYPE_ANY); s = format (s, " via [%d]:%U", fib_table_get_table_id (te->te_fib_index, te->te_nh.fp_proto), @@ -337,7 +340,7 @@ teib_walk_itf (u32 sw_if_index, teib_walk_cb_t fn, void *ctx) static void teib_walk_itf_proto (u32 sw_if_index, - fib_protocol_t fproto, teib_walk_cb_t fn, void *ctx) + ip_address_family_t af, teib_walk_cb_t fn, void *ctx) { index_t tei; @@ -345,7 +348,7 @@ teib_walk_itf_proto (u32 sw_if_index, pool_foreach_index(tei, teib_pool, ({ if (sw_if_index == teib_entry_get_sw_if_index(teib_entry_get(tei)) && - fproto == teib_entry_get_proto(teib_entry_get(tei))) + af == teib_entry_get_af(teib_entry_get(tei))) fn(tei, ctx); })); /* *INDENT-ON* */ @@ -367,11 +370,9 @@ teib_walk_table_bind (index_t tei, void *arg) TEIB_TE_INFO (te, "bind: %d -> %d", ctx->old_fib_index, ctx->new_fib_index); - teib_adj_fib_remove (te->te_key->tk_proto, - &te->te_key->tk_peer, + teib_adj_fib_remove (&te->te_key->tk_peer, te->te_key->tk_sw_if_index, ctx->old_fib_index); - teib_adj_fib_add (te->te_key->tk_proto, - &te->te_key->tk_peer, + teib_adj_fib_add (&te->te_key->tk_peer, te->te_key->tk_sw_if_index, ctx->new_fib_index); return (WALK_CONTINUE); @@ -387,8 +388,7 @@ teib_table_bind_v4 (ip4_main_t * im, .new_fib_index = new_fib_index, }; - teib_walk_itf_proto (sw_if_index, - FIB_PROTOCOL_IP4, teib_walk_table_bind, &ctx); + teib_walk_itf_proto (sw_if_index, AF_IP4, teib_walk_table_bind, &ctx); } static void @@ -401,8 +401,7 @@ teib_table_bind_v6 (ip6_main_t * im, .new_fib_index = new_fib_index, }; - teib_walk_itf_proto (sw_if_index, - FIB_PROTOCOL_IP6, teib_walk_table_bind, &ctx); + teib_walk_itf_proto (sw_if_index, AF_IP6, teib_walk_table_bind, &ctx); } void @@ -414,10 +413,7 @@ teib_register (const teib_vft_t * vft) static clib_error_t * teib_init (vlib_main_t * vm) { - fib_protocol_t fproto; - - FOR_EACH_FIB_IP_PROTOCOL (fproto) - teib_db[fproto] = hash_create_mem (0, sizeof (teib_key_t), sizeof (u32)); + teib_db.td_db = hash_create_mem (0, sizeof (teib_key_t), sizeof (u32)); ip4_table_bind_callback_t cb4 = { .function = teib_table_bind_v4, diff --git a/src/vnet/teib/teib.h b/src/vnet/teib/teib.h index 2a5da76ef93..69fa740f432 100644 --- a/src/vnet/teib/teib.h +++ b/src/vnet/teib/teib.h @@ -36,8 +36,7 @@ typedef struct teib_entry_t_ teib_entry_t; /** accessors for the opaque struct */ extern u32 teib_entry_get_sw_if_index (const teib_entry_t * ne); extern u32 teib_entry_get_fib_index (const teib_entry_t * ne); -extern const ip46_address_t *teib_entry_get_peer (const teib_entry_t * ne); -extern fib_protocol_t teib_entry_get_proto (const teib_entry_t * ne); +extern const ip_address_t *teib_entry_get_peer (const teib_entry_t * ne); extern const fib_prefix_t *teib_entry_get_nh (const teib_entry_t * ne); extern u8 *format_teib_entry (u8 * s, va_list * args); @@ -45,17 +44,16 @@ extern u8 *format_teib_entry (u8 * s, va_list * args); * Create a new TEIB entry */ extern int teib_entry_add (u32 sw_if_index, - fib_protocol_t fproto, - const ip46_address_t * peer, - u32 nh_table_id, const ip46_address_t * nh); + const ip_address_t * peer, + u32 nh_table_id, const ip_address_t * nh); -extern int teib_entry_del (u32 sw_if_index, - fib_protocol_t fproto, - const ip46_address_t * peer); +extern int teib_entry_del (u32 sw_if_index, const ip_address_t * peer); extern teib_entry_t *teib_entry_find (u32 sw_if_index, - fib_protocol_t fproto, - const ip46_address_t * peer); + const ip_address_t * peer); +extern teib_entry_t *teib_entry_find_46 (u32 sw_if_index, + fib_protocol_t fproto, + const ip46_address_t * peer); extern teib_entry_t *teib_entry_get (index_t nei); extern void teib_entry_adj_stack (const teib_entry_t * ne, adj_index_t ai); diff --git a/src/vnet/teib/teib_api.c b/src/vnet/teib/teib_api.c index b885128baf4..2cd56327efb 100644 --- a/src/vnet/teib/teib_api.c +++ b/src/vnet/teib/teib_api.c @@ -39,26 +39,19 @@ static void vl_api_teib_entry_add_del_t_handler (vl_api_teib_entry_add_del_t * mp) { vl_api_teib_entry_add_del_reply_t *rmp; - ip46_address_t nh; - ip_address_t peer; + ip_address_t peer, nh; int rv; VALIDATE_SW_IF_INDEX ((&mp->entry)); ip_address_decode2 (&mp->entry.peer, &peer); - ip_address_decode (&mp->entry.nh, &nh); + ip_address_decode2 (&mp->entry.nh, &nh); if (mp->is_add) rv = teib_entry_add (ntohl (mp->entry.sw_if_index), - ip_address_family_to_fib_proto (ip_addr_version - (&peer)), - &ip_addr_46 (&peer), ntohl (mp->entry.nh_table_id), - &nh); + &peer, ntohl (mp->entry.nh_table_id), &nh); else - rv = teib_entry_del (ntohl (mp->entry.sw_if_index), - ip_address_family_to_fib_proto (ip_addr_version - (&peer)), - &ip_addr_46 (&peer)); + rv = teib_entry_del (ntohl (mp->entry.sw_if_index), &peer); BAD_SW_IF_INDEX_LABEL; @@ -86,8 +79,7 @@ vl_api_teib_send_one (index_t nei, void *arg) ne = teib_entry_get (nei); pfx = teib_entry_get_nh (ne); - ip_address_encode (teib_entry_get_peer (ne), IP46_TYPE_ANY, - &mp->entry.peer); + ip_address_encode2 (teib_entry_get_peer (ne), &mp->entry.peer); ip_address_encode (&pfx->fp_addr, IP46_TYPE_ANY, &mp->entry.nh); mp->entry.nh_table_id = htonl (fib_table_get_table_id diff --git a/src/vnet/teib/teib_cli.c b/src/vnet/teib/teib_cli.c index 63e3645f14a..226b41298ab 100644 --- a/src/vnet/teib/teib_cli.c +++ b/src/vnet/teib/teib_cli.c @@ -20,8 +20,8 @@ teib_add (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; - ip46_address_t nh = ip46_address_initializer; - ip_address_t peer = IP_ADDRESS_V6_ALL_0S; + ip_address_t peer = ip_address_initializer; + ip_address_t nh = ip_address_initializer; u32 sw_if_index, nh_table_id; clib_error_t *error = NULL; int rv; @@ -40,7 +40,7 @@ teib_add (vlib_main_t * vm, ; else if (unformat (line_input, "peer %U", unformat_ip_address, &peer)) ; - else if (unformat (line_input, "nh %U", unformat_ip46_address, &nh)) + else if (unformat (line_input, "nh %U", unformat_ip_address, &nh)) ; else if (unformat (line_input, "nh-table-id %d", &nh_table_id)) ; @@ -64,17 +64,14 @@ teib_add (vlib_main_t * vm, format_unformat_error, line_input); goto done; } - if (ip46_address_is_zero (&nh)) + if (ip_address_is_zero (&nh)) { error = clib_error_return (0, "next-hop required'", format_unformat_error, line_input); goto done; } - rv = teib_entry_add (sw_if_index, - ip_address_family_to_fib_proto (ip_addr_version - (&peer)), - &ip_addr_46 (&peer), nh_table_id, &nh); + rv = teib_entry_add (sw_if_index, &peer, nh_table_id, &nh); if (rv) { @@ -102,7 +99,7 @@ teib_del (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; - ip_address_t peer = IP_ADDRESS_V6_ALL_0S; + ip_address_t peer = ip_address_initializer; clib_error_t *error = NULL; u32 sw_if_index; int rv; @@ -140,10 +137,7 @@ teib_del (vlib_main_t * vm, goto done; } - rv = teib_entry_del (sw_if_index, - ip_address_family_to_fib_proto (ip_addr_version - (&peer)), - &ip_addr_46 (&peer)); + rv = teib_entry_del (sw_if_index, &peer); if (rv) { |