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Diffstat (limited to 'vnet/vnet/adj/adj.c')
-rw-r--r-- | vnet/vnet/adj/adj.c | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/vnet/vnet/adj/adj.c b/vnet/vnet/adj/adj.c deleted file mode 100644 index e740c4cb79b..00000000000 --- a/vnet/vnet/adj/adj.c +++ /dev/null @@ -1,454 +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/adj/adj.h> -#include <vnet/adj/adj_internal.h> -#include <vnet/adj/adj_glean.h> -#include <vnet/adj/adj_midchain.h> -#include <vnet/fib/fib_node_list.h> - -/* - * Special Adj with index zero. we need to define this since the v4 mtrie - * assumes an index of 0 implies the ply is empty. therefore all 'real' - * adjs need a non-zero index. - */ -static ip_adjacency_t *special_v4_miss_adj_with_index_zero; - -/* Adjacency packet/byte counters indexed by adjacency index. */ -vlib_combined_counter_main_t adjacency_counters; - -/* - * the single adj pool - */ -ip_adjacency_t *adj_pool; - -always_inline void -adj_poison (ip_adjacency_t * adj) -{ - if (CLIB_DEBUG > 0) - { - memset (adj, 0xfe, sizeof (adj[0])); - } -} - -ip_adjacency_t * -adj_alloc (fib_protocol_t proto) -{ - ip_adjacency_t *adj; - - pool_get(adj_pool, adj); - - adj_poison(adj); - - /* Make sure certain fields are always initialized. */ - /* Validate adjacency counters. */ - vlib_validate_combined_counter(&adjacency_counters, - adj_get_index(adj)); - - adj->rewrite_header.sw_if_index = ~0; - adj->mcast_group_index = ~0; - adj->saved_lookup_next_index = 0; - adj->n_adj = 1; - adj->lookup_next_index = 0; - - fib_node_init(&adj->ia_node, - FIB_NODE_TYPE_ADJ); - adj->ia_nh_proto = proto; - adj->ia_flags = 0; - - ip4_main.lookup_main.adjacency_heap = adj_pool; - ip6_main.lookup_main.adjacency_heap = adj_pool; - - return (adj); -} - -static int -adj_index_is_special (adj_index_t adj_index) -{ - if (ADJ_INDEX_INVALID == adj_index) - return (!0); - - return (0); -} - -/** - * @brief Pretty print helper function for formatting specific adjacencies. - * @param s - input string to format - * @param args - other args passed to format function such as: - * - vnet_main_t - * - ip_lookup_main_t - * - adj_index - */ -u8 * -format_ip_adjacency (u8 * s, va_list * args) -{ - format_ip_adjacency_flags_t fiaf; - ip_adjacency_t * adj; - u32 adj_index; - - adj_index = va_arg (*args, u32); - fiaf = va_arg (*args, format_ip_adjacency_flags_t); - adj = adj_get(adj_index); - - switch (adj->lookup_next_index) - { - case IP_LOOKUP_NEXT_REWRITE: - s = format (s, "%U", format_adj_nbr, adj_index, 0); - break; - case IP_LOOKUP_NEXT_ARP: - s = format (s, "%U", format_adj_nbr_incomplete, adj_index, 0); - break; - case IP_LOOKUP_NEXT_GLEAN: - s = format (s, "%U", format_adj_glean, adj_index, 0); - break; - case IP_LOOKUP_NEXT_MIDCHAIN: - s = format (s, "%U", format_adj_midchain, adj_index, 2); - break; - default: - break; - } - - if (fiaf & FORMAT_IP_ADJACENCY_DETAIL) - { - s = format (s, "\n locks:%d", adj->ia_node.fn_locks); - s = format (s, " node:[%d]:%U", - adj->rewrite_header.node_index, - format_vlib_node_name, vlib_get_main(), - adj->rewrite_header.node_index); - s = format (s, " next:[%d]:%U", - adj->rewrite_header.next_index, - format_vlib_next_node_name, - vlib_get_main(), - adj->rewrite_header.node_index, - adj->rewrite_header.next_index); - s = format(s, "\n children:\n "); - s = fib_node_children_format(adj->ia_node.fn_children, s); - } - - return s; -} - -/* - * adj_last_lock_gone - * - * last lock/reference to the adj has gone, we no longer need it. - */ -static void -adj_last_lock_gone (ip_adjacency_t *adj) -{ - vlib_main_t * vm = vlib_get_main(); - - ASSERT(0 == fib_node_list_get_size(adj->ia_node.fn_children)); - ADJ_DBG(adj, "last-lock-gone"); - - vlib_worker_thread_barrier_sync (vm); - - switch (adj->lookup_next_index) - { - case IP_LOOKUP_NEXT_MIDCHAIN: - dpo_reset(&adj->sub_type.midchain.next_dpo); - /* FALL THROUGH */ - case IP_LOOKUP_NEXT_ARP: - case IP_LOOKUP_NEXT_REWRITE: - /* - * complete and incomplete nbr adjs - */ - adj_nbr_remove(adj_get_index(adj), - adj->ia_nh_proto, - adj->ia_link, - &adj->sub_type.nbr.next_hop, - adj->rewrite_header.sw_if_index); - break; - case IP_LOOKUP_NEXT_GLEAN: - adj_glean_remove(adj->ia_nh_proto, - adj->rewrite_header.sw_if_index); - break; - default: - /* - * type not stored in any DB from which we need to remove it - */ - break; - } - - vlib_worker_thread_barrier_release(vm); - - fib_node_deinit(&adj->ia_node); - pool_put(adj_pool, adj); -} - -void -adj_lock (adj_index_t adj_index) -{ - ip_adjacency_t *adj; - - if (adj_index_is_special(adj_index)) - { - return; - } - - adj = adj_get(adj_index); - ASSERT(adj); - - ADJ_DBG(adj, "lock"); - fib_node_lock(&adj->ia_node); -} - -void -adj_unlock (adj_index_t adj_index) -{ - ip_adjacency_t *adj; - - if (adj_index_is_special(adj_index)) - { - return; - } - - adj = adj_get(adj_index); - ASSERT(adj); - - ADJ_DBG(adj, "unlock"); - ASSERT(adj); - - fib_node_unlock(&adj->ia_node); -} - -u32 -adj_child_add (adj_index_t adj_index, - fib_node_type_t child_type, - fib_node_index_t child_index) -{ - ASSERT(ADJ_INDEX_INVALID != adj_index); - if (adj_index_is_special(adj_index)) - { - return (~0); - } - - return (fib_node_child_add(FIB_NODE_TYPE_ADJ, - adj_index, - child_type, - child_index)); -} - -void -adj_child_remove (adj_index_t adj_index, - u32 sibling_index) -{ - if (adj_index_is_special(adj_index)) - { - return; - } - - fib_node_child_remove(FIB_NODE_TYPE_ADJ, - adj_index, - sibling_index); -} - -/** - * @brief Return the link type of the adjacency - */ -vnet_link_t -adj_get_link_type (adj_index_t ai) -{ - const ip_adjacency_t *adj; - - adj = adj_get(ai); - - return (adj->ia_link); -} - -/** - * @brief Return the sw interface index of the adjacency. - */ -u32 -adj_get_sw_if_index (adj_index_t ai) -{ - const ip_adjacency_t *adj; - - adj = adj_get(ai); - - return (adj->rewrite_header.sw_if_index); -} - -/** - * @brief Return the link type of the adjacency - */ -const u8* -adj_get_rewrite (adj_index_t ai) -{ - vnet_rewrite_header_t *rw; - ip_adjacency_t *adj; - - adj = adj_get(ai); - rw = &adj->rewrite_header; - - ASSERT (rw->data_bytes != 0xfefe); - - return (rw->data - rw->data_bytes); -} - -static fib_node_t * -adj_get_node (fib_node_index_t index) -{ - ip_adjacency_t *adj; - - adj = adj_get(index); - - return (&adj->ia_node); -} - -#define ADJ_FROM_NODE(_node) \ - ((ip_adjacency_t*)((char*)_node - STRUCT_OFFSET_OF(ip_adjacency_t, ia_node))) - -static void -adj_node_last_lock_gone (fib_node_t *node) -{ - adj_last_lock_gone(ADJ_FROM_NODE(node)); -} - -static fib_node_back_walk_rc_t -adj_back_walk_notify (fib_node_t *node, - fib_node_back_walk_ctx_t *ctx) -{ - /* - * Que pasa. yo soj en el final! - */ - ASSERT(0); - - return (FIB_NODE_BACK_WALK_CONTINUE); -} - -/* - * Adjacency's graph node virtual function table - */ -static const fib_node_vft_t adj_vft = { - .fnv_get = adj_get_node, - .fnv_last_lock = adj_node_last_lock_gone, - .fnv_back_walk = adj_back_walk_notify, -}; - -static clib_error_t * -adj_module_init (vlib_main_t * vm) -{ - fib_node_register_type(FIB_NODE_TYPE_ADJ, &adj_vft); - - adj_nbr_module_init(); - adj_glean_module_init(); - adj_midchain_module_init(); - - /* - * one special adj to reserve index 0 - */ - special_v4_miss_adj_with_index_zero = adj_alloc(FIB_PROTOCOL_IP4); - - return (NULL); -} - -VLIB_INIT_FUNCTION (adj_module_init); - -static clib_error_t * -adj_show (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - adj_index_t ai = ADJ_INDEX_INVALID; - u32 sw_if_index = ~0; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "%d", &ai)) - ; - else if (unformat (input, "%U", - unformat_vnet_sw_interface, vnet_get_main(), - &sw_if_index)) - ; - else - break; - } - - if (ADJ_INDEX_INVALID != ai) - { - if (pool_is_free_index(adj_pool, ai)) - { - vlib_cli_output (vm, "adjacency %d invalid", ai); - return 0; - } - - vlib_cli_output (vm, "[@%d] %U", - ai, - format_ip_adjacency, ai, - FORMAT_IP_ADJACENCY_DETAIL); - } - else - { - /* *INDENT-OFF* */ - pool_foreach_index(ai, adj_pool, - ({ - if (~0 != sw_if_index && - sw_if_index != adj_get_sw_if_index(ai)) - { - } - else - { - vlib_cli_output (vm, "[@%d] %U", - ai, - format_ip_adjacency, ai, - FORMAT_IP_ADJACENCY_NONE); - } - })); - /* *INDENT-ON* */ - } - - return 0; -} - -/*? - * Show all adjacencies. - * @cliexpar - * @cliexstart{sh adj} - * [@0] - * [@1] glean: loop0 - * [@2] ipv4 via 1.0.0.2 loop0: IP4: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * [@3] mpls via 1.0.0.2 loop0: MPLS_UNICAST: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * [@4] ipv4 via 1.0.0.3 loop0: IP4: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * [@5] mpls via 1.0.0.3 loop0: MPLS_UNICAST: 00:00:22:aa:bb:cc -> 00:00:11:aa:bb:cc - * @cliexend - ?*/ -VLIB_CLI_COMMAND (adj_show_command, static) = { - .path = "show adj", - .short_help = "show adj [<adj_index>] [interface]", - .function = adj_show, -}; - -/* - * DEPRECATED: DO NOT USE - */ -ip_adjacency_t * -ip_add_adjacency (ip_lookup_main_t * lm, - ip_adjacency_t * copy_adj, - u32 n_adj, - u32 * adj_index_return) -{ - ip_adjacency_t * adj; - - ASSERT(1==n_adj); - - adj = adj_alloc(FIB_PROTOCOL_IP4); - - if (copy_adj) - *adj = *copy_adj; - - *adj_index_return = adj_get_index(adj); - return adj; -} |