+++ /dev/null
-/*
- * gbp.h : Group Based Policy
- *
- * Copyright (c) 2018 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 <plugins/gbp/gbp.h>
-#include <plugins/gbp/gbp_bridge_domain.h>
-#include <plugins/gbp/gbp_route_domain.h>
-#include <plugins/gbp/gbp_policy_dpo.h>
-#include <plugins/gbp/gbp_contract.h>
-
-#include <vnet/dpo/load_balance.h>
-#include <vnet/dpo/drop_dpo.h>
-
-char *gbp_contract_error_strings[] = {
-#define _(sym,string) string,
- foreach_gbp_contract_error
-#undef _
-};
-
-/**
- * Single contract DB instance
- */
-gbp_contract_db_t gbp_contract_db;
-
-gbp_contract_t *gbp_contract_pool;
-
-vlib_log_class_t gc_logger;
-
-fib_node_type_t gbp_next_hop_fib_type;
-
-gbp_rule_t *gbp_rule_pool;
-gbp_next_hop_t *gbp_next_hop_pool;
-
-#define GBP_CONTRACT_DBG(...) \
- vlib_log_notice (gc_logger, __VA_ARGS__);
-
-/* Adjacency packet/byte counters indexed by adjacency index. */
-vlib_combined_counter_main_t gbp_contract_permit_counters = {
- .name = "gbp-contracts-permit",
- .stat_segment_name = "/net/gbp/contract/permit",
-};
-
-vlib_combined_counter_main_t gbp_contract_drop_counters = {
- .name = "gbp-contracts-drop",
- .stat_segment_name = "/net/gbp/contract/drop",
-};
-
-index_t
-gbp_rule_alloc (gbp_rule_action_t action,
- gbp_hash_mode_t hash_mode, index_t * nhs)
-{
- gbp_rule_t *gu;
-
- pool_get_zero (gbp_rule_pool, gu);
-
- gu->gu_hash_mode = hash_mode;
- gu->gu_nhs = nhs;
- gu->gu_action = action;
-
- return (gu - gbp_rule_pool);
-}
-
-void
-gbp_rule_free (index_t gui)
-{
- pool_put_index (gbp_rule_pool, gui);
-}
-
-index_t
-gbp_next_hop_alloc (const ip46_address_t * ip,
- index_t grd, const mac_address_t * mac, index_t gbd)
-{
- fib_protocol_t fproto;
- gbp_next_hop_t *gnh;
-
- pool_get_zero (gbp_next_hop_pool, gnh);
-
- fib_node_init (&gnh->gnh_node, gbp_next_hop_fib_type);
-
- ip46_address_copy (&gnh->gnh_ip, ip);
- mac_address_copy (&gnh->gnh_mac, mac);
-
- gnh->gnh_rd = grd;
- gnh->gnh_bd = gbd;
-
- FOR_EACH_FIB_IP_PROTOCOL (fproto) gnh->gnh_ai[fproto] = INDEX_INVALID;
-
- return (gnh - gbp_next_hop_pool);
-}
-
-static inline gbp_next_hop_t *
-gbp_next_hop_get (index_t gui)
-{
- return (pool_elt_at_index (gbp_next_hop_pool, gui));
-}
-
-static void
-gbp_contract_rules_free (index_t * rules)
-{
- index_t *gui, *gnhi;
-
- vec_foreach (gui, rules)
- {
- gbp_policy_node_t pnode;
- fib_protocol_t fproto;
- gbp_next_hop_t *gnh;
- gbp_rule_t *gu;
-
- gu = gbp_rule_get (*gui);
-
- FOR_EACH_GBP_POLICY_NODE (pnode)
- {
- FOR_EACH_FIB_IP_PROTOCOL (fproto)
- {
- dpo_reset (&gu->gu_dpo[pnode][fproto]);
- dpo_reset (&gu->gu_dpo[pnode][fproto]);
- }
- }
-
- vec_foreach (gnhi, gu->gu_nhs)
- {
- fib_protocol_t fproto;
-
- gnh = gbp_next_hop_get (*gnhi);
- gbp_bridge_domain_unlock (gnh->gnh_bd);
- gbp_route_domain_unlock (gnh->gnh_rd);
- gbp_endpoint_child_remove (gnh->gnh_ge, gnh->gnh_sibling);
- gbp_endpoint_unlock (GBP_ENDPOINT_SRC_RR, gnh->gnh_ge);
-
- FOR_EACH_FIB_IP_PROTOCOL (fproto)
- {
- adj_unlock (gnh->gnh_ai[fproto]);
- }
- }
-
- gbp_rule_free (*gui);
- }
- vec_free (rules);
-}
-
-static u8 *
-format_gbp_next_hop (u8 * s, va_list * args)
-{
- index_t gnhi = va_arg (*args, index_t);
- gbp_next_hop_t *gnh;
-
- gnh = gbp_next_hop_get (gnhi);
-
- s = format (s, "%U, %U, %U EP:%d",
- format_mac_address_t, &gnh->gnh_mac,
- format_gbp_bridge_domain, gnh->gnh_bd,
- format_ip46_address, &gnh->gnh_ip, IP46_TYPE_ANY, gnh->gnh_ge);
-
- return (s);
-}
-
-u8 *
-format_gbp_rule_action (u8 * s, va_list * args)
-{
- gbp_rule_action_t action = va_arg (*args, gbp_rule_action_t);
-
- switch (action)
- {
-#define _(v,a) case GBP_RULE_##v: return (format (s, "%s", a));
- foreach_gbp_rule_action
-#undef _
- }
-
- return (format (s, "unknown"));
-}
-
-static u8 *
-format_gbp_hash_mode (u8 * s, va_list * args)
-{
- gbp_hash_mode_t hash_mode = va_arg (*args, gbp_hash_mode_t);
-
- switch (hash_mode)
- {
-#define _(v,a) case GBP_HASH_MODE_##v: return (format (s, "%s", a));
- foreach_gbp_hash_mode
-#undef _
- }
-
- return (format (s, "unknown"));
-}
-
-static u8 *
-format_gbp_policy_node (u8 * s, va_list * args)
-{
- gbp_policy_node_t action = va_arg (*args, gbp_policy_node_t);
-
- switch (action)
- {
-#define _(v,a) case GBP_POLICY_NODE_##v: return (format (s, "%s", a));
- foreach_gbp_policy_node
-#undef _
- }
-
- return (format (s, "unknown"));
-}
-
-static u8 *
-format_gbp_rule (u8 * s, va_list * args)
-{
- index_t gui = va_arg (*args, index_t);
- gbp_policy_node_t pnode;
- fib_protocol_t fproto;
- gbp_rule_t *gu;
- index_t *gnhi;
-
- gu = gbp_rule_get (gui);
- s = format (s, "%U", format_gbp_rule_action, gu->gu_action);
-
- switch (gu->gu_action)
- {
- case GBP_RULE_PERMIT:
- case GBP_RULE_DENY:
- return (s);
- case GBP_RULE_REDIRECT:
- s = format (s, ", %U", format_gbp_hash_mode, gu->gu_hash_mode);
- break;
- }
-
- vec_foreach (gnhi, gu->gu_nhs)
- {
- s = format (s, "\n [%U]", format_gbp_next_hop, *gnhi);
- }
-
- FOR_EACH_GBP_POLICY_NODE (pnode)
- {
- s = format (s, "\n policy-%U", format_gbp_policy_node, pnode);
-
- FOR_EACH_FIB_IP_PROTOCOL (fproto)
- {
- if (dpo_id_is_valid (&gu->gu_dpo[pnode][fproto]))
- {
- s =
- format (s, "\n %U", format_dpo_id,
- &gu->gu_dpo[pnode][fproto], 8);
- }
- }
- }
-
- return (s);
-}
-
-static void
-gbp_contract_mk_adj (gbp_next_hop_t * gnh, fib_protocol_t fproto)
-{
- ethernet_header_t *eth;
- gbp_endpoint_t *ge;
- index_t old_ai;
- u8 *rewrite;
-
- old_ai = gnh->gnh_ai[fproto];
- rewrite = NULL;
- vec_validate (rewrite, sizeof (*eth) - 1);
- eth = (ethernet_header_t *) rewrite;
-
- GBP_CONTRACT_DBG ("...mk-adj: %U", format_gbp_next_hop,
- gnh - gbp_next_hop_pool);
-
- ge = gbp_endpoint_get (gnh->gnh_ge);
-
- eth->type = clib_host_to_net_u16 ((fproto == FIB_PROTOCOL_IP4 ?
- ETHERNET_TYPE_IP4 : ETHERNET_TYPE_IP6));
- mac_address_to_bytes (gbp_route_domain_get_local_mac (), eth->src_address);
- mac_address_to_bytes (&gnh->gnh_mac, eth->dst_address);
-
- gnh->gnh_ai[fproto] =
- adj_nbr_add_or_lock_w_rewrite (fproto,
- fib_proto_to_link (fproto),
- &gnh->gnh_ip,
- gbp_itf_get_sw_if_index (ge->
- ge_fwd.gef_itf),
- rewrite);
-
- adj_unlock (old_ai);
-}
-
-static flow_hash_config_t
-gbp_contract_mk_lb_hp (gbp_hash_mode_t gu_hash_mode)
-{
- switch (gu_hash_mode)
- {
- case GBP_HASH_MODE_SRC_IP:
- return IP_FLOW_HASH_SRC_ADDR;
- case GBP_HASH_MODE_DST_IP:
- return IP_FLOW_HASH_DST_ADDR;
- case GBP_HASH_MODE_SYMMETRIC:
- return (IP_FLOW_HASH_SRC_ADDR | IP_FLOW_HASH_DST_ADDR |
- IP_FLOW_HASH_PROTO | IP_FLOW_HASH_SYMMETRIC);
- }
-
- return 0;
-}
-
-static void
-gbp_contract_mk_lb (index_t gui, fib_protocol_t fproto)
-{
- load_balance_path_t *paths = NULL;
- gbp_policy_node_t pnode;
- gbp_next_hop_t *gnh;
- dpo_proto_t dproto;
- gbp_rule_t *gu;
- u32 ii;
-
- u32 policy_nodes[] = {
- [GBP_POLICY_NODE_L2] = gbp_policy_port_node.index,
- [GBP_POLICY_NODE_IP4] = ip4_gbp_policy_dpo_node.index,
- [GBP_POLICY_NODE_IP6] = ip6_gbp_policy_dpo_node.index,
- };
-
- GBP_CONTRACT_DBG ("..mk-lb: %U", format_gbp_rule, gui);
-
- gu = gbp_rule_get (gui);
- dproto = fib_proto_to_dpo (fproto);
-
- if (GBP_RULE_REDIRECT != gu->gu_action)
- return;
-
- vec_foreach_index (ii, gu->gu_nhs)
- {
- gnh = gbp_next_hop_get (gu->gu_nhs[ii]);
-
- gbp_contract_mk_adj (gnh, FIB_PROTOCOL_IP4);
- gbp_contract_mk_adj (gnh, FIB_PROTOCOL_IP6);
- }
-
- FOR_EACH_GBP_POLICY_NODE (pnode)
- {
- vec_validate (paths, vec_len (gu->gu_nhs) - 1);
-
- vec_foreach_index (ii, gu->gu_nhs)
- {
- gnh = gbp_next_hop_get (gu->gu_nhs[ii]);
-
- paths[ii].path_index = FIB_NODE_INDEX_INVALID;
- paths[ii].path_weight = 1;
- dpo_set (&paths[ii].path_dpo, DPO_ADJACENCY,
- dproto, gnh->gnh_ai[fproto]);
- }
-
- if (!dpo_id_is_valid (&gu->gu_dpo[pnode][fproto]))
- {
- dpo_id_t dpo = DPO_INVALID;
-
- dpo_set (&dpo, DPO_LOAD_BALANCE, dproto,
- load_balance_create (vec_len (paths),
- dproto,
- gbp_contract_mk_lb_hp
- (gu->gu_hash_mode)));
- dpo_stack_from_node (policy_nodes[pnode], &gu->gu_dpo[pnode][fproto],
- &dpo);
- dpo_reset (&dpo);
- }
-
- load_balance_multipath_update (&gu->gu_dpo[pnode][fproto],
- paths, LOAD_BALANCE_FLAG_NONE);
- vec_free (paths);
- }
-}
-
-static void
-gbp_contract_mk_one_lb (index_t gui)
-{
- gbp_contract_mk_lb (gui, FIB_PROTOCOL_IP4);
- gbp_contract_mk_lb (gui, FIB_PROTOCOL_IP6);
-}
-
-static int
-gbp_contract_next_hop_resolve (index_t gui, index_t gnhi)
-{
- gbp_bridge_domain_t *gbd;
- gbp_next_hop_t *gnh;
- ip46_address_t *ips;
- int rv;
-
- ips = NULL;
- gnh = gbp_next_hop_get (gnhi);
- gbd = gbp_bridge_domain_get (gnh->gnh_bd);
-
- gnh->gnh_gu = gui;
- vec_add1 (ips, gnh->gnh_ip);
-
- /*
- * source the endpoint this contract needs to forward via.
- * give ofrwarding details via the spine proxy. if this EP is known
- * to us, then since we source here with a low priority, the learned
- * info will take precedenc.
- */
- rv = gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_RR,
- gbd->gb_uu_fwd_sw_if_index,
- ips,
- &gnh->gnh_mac,
- gnh->gnh_bd, gnh->gnh_rd, SCLASS_INVALID,
- GBP_ENDPOINT_FLAG_NONE, NULL, NULL,
- &gnh->gnh_ge);
-
- if (0 == rv)
- {
- gnh->gnh_sibling = gbp_endpoint_child_add (gnh->gnh_ge,
- gbp_next_hop_fib_type, gnhi);
- }
-
- GBP_CONTRACT_DBG ("..resolve: %d: %d: %U", gui, gnhi, format_gbp_next_hop,
- gnhi);
-
- vec_free (ips);
- return (rv);
-}
-
-static void
-gbp_contract_rule_resolve (index_t gui)
-{
- gbp_rule_t *gu;
- index_t *gnhi;
-
- gu = gbp_rule_get (gui);
-
- GBP_CONTRACT_DBG ("..resolve: %U", format_gbp_rule, gui);
-
- vec_foreach (gnhi, gu->gu_nhs)
- {
- gbp_contract_next_hop_resolve (gui, *gnhi);
- }
-}
-
-static void
-gbp_contract_resolve (index_t * guis)
-{
- index_t *gui;
-
- vec_foreach (gui, guis)
- {
- gbp_contract_rule_resolve (*gui);
- }
-}
-
-static void
-gbp_contract_mk_lbs (index_t * guis)
-{
- index_t *gui;
-
- vec_foreach (gui, guis)
- {
- gbp_contract_mk_one_lb (*gui);
- }
-}
-
-int
-gbp_contract_update (gbp_scope_t scope,
- sclass_t sclass,
- sclass_t dclass,
- u32 acl_index,
- index_t * rules,
- u16 * allowed_ethertypes, u32 * stats_index)
-{
- gbp_main_t *gm = &gbp_main;
- u32 *acl_vec = NULL;
- gbp_contract_t *gc;
- index_t gci;
- uword *p;
-
- gbp_contract_key_t key = {
- .gck_scope = scope,
- .gck_src = sclass,
- .gck_dst = dclass,
- };
-
- if (~0 == gm->gbp_acl_user_id)
- {
- acl_plugin_exports_init (&gm->acl_plugin);
- gm->gbp_acl_user_id =
- gm->acl_plugin.register_user_module ("GBP ACL", "src-epg", "dst-epg");
- }
-
- p = hash_get (gbp_contract_db.gc_hash, key.as_u64);
- if (p != NULL)
- {
- gci = p[0];
- gc = gbp_contract_get (gci);
- gbp_contract_rules_free (gc->gc_rules);
- gbp_main.acl_plugin.put_lookup_context_index (gc->gc_lc_index);
- gc->gc_rules = NULL;
- vec_free (gc->gc_allowed_ethertypes);
- }
- else
- {
- pool_get_zero (gbp_contract_pool, gc);
- gc->gc_key = key;
- gci = gc - gbp_contract_pool;
- hash_set (gbp_contract_db.gc_hash, key.as_u64, gci);
-
- vlib_validate_combined_counter (&gbp_contract_drop_counters, gci);
- vlib_zero_combined_counter (&gbp_contract_drop_counters, gci);
- vlib_validate_combined_counter (&gbp_contract_permit_counters, gci);
- vlib_zero_combined_counter (&gbp_contract_permit_counters, gci);
- }
-
- GBP_CONTRACT_DBG ("update: %U", format_gbp_contract, gci);
-
- gc->gc_rules = rules;
- gc->gc_allowed_ethertypes = allowed_ethertypes;
- gbp_contract_resolve (gc->gc_rules);
- gbp_contract_mk_lbs (gc->gc_rules);
-
- gc->gc_acl_index = acl_index;
- gc->gc_lc_index =
- gm->acl_plugin.get_lookup_context_index (gm->gbp_acl_user_id,
- sclass, dclass);
-
- vec_add1 (acl_vec, gc->gc_acl_index);
- gm->acl_plugin.set_acl_vec_for_context (gc->gc_lc_index, acl_vec);
- vec_free (acl_vec);
-
- *stats_index = gci;
-
- return (0);
-}
-
-int
-gbp_contract_delete (gbp_scope_t scope, sclass_t sclass, sclass_t dclass)
-{
- gbp_contract_key_t key = {
- .gck_scope = scope,
- .gck_src = sclass,
- .gck_dst = dclass,
- };
- gbp_contract_t *gc;
- uword *p;
-
- p = hash_get (gbp_contract_db.gc_hash, key.as_u64);
- if (p != NULL)
- {
- gc = gbp_contract_get (p[0]);
-
- gbp_contract_rules_free (gc->gc_rules);
- gbp_main.acl_plugin.put_lookup_context_index (gc->gc_lc_index);
- vec_free (gc->gc_allowed_ethertypes);
-
- hash_unset (gbp_contract_db.gc_hash, key.as_u64);
- pool_put (gbp_contract_pool, gc);
-
- return (0);
- }
-
- return (VNET_API_ERROR_NO_SUCH_ENTRY);
-}
-
-void
-gbp_contract_walk (gbp_contract_cb_t cb, void *ctx)
-{
- gbp_contract_t *gc;
-
- /* *INDENT-OFF* */
- pool_foreach (gc, gbp_contract_pool)
- {
- if (!cb(gc, ctx))
- break;
- }
- /* *INDENT-ON* */
-}
-
-static clib_error_t *
-gbp_contract_cli (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- sclass_t sclass = SCLASS_INVALID, dclass = SCLASS_INVALID;
- u32 acl_index = ~0, stats_index, scope;
- u8 add = 1;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "add"))
- add = 1;
- else if (unformat (input, "del"))
- add = 0;
- else if (unformat (input, "scope %d", &scope))
- ;
- else if (unformat (input, "sclass %d", &sclass))
- ;
- else if (unformat (input, "dclass %d", &dclass))
- ;
- else if (unformat (input, "acl-index %d", &acl_index))
- ;
- else
- break;
- }
-
- if (SCLASS_INVALID == sclass)
- return clib_error_return (0, "Source EPG-ID must be specified");
- if (SCLASS_INVALID == dclass)
- return clib_error_return (0, "Destination EPG-ID must be specified");
-
- if (add)
- {
- gbp_contract_update (scope, sclass, dclass, acl_index,
- NULL, NULL, &stats_index);
- }
- else
- {
- gbp_contract_delete (scope, sclass, dclass);
- }
-
- return (NULL);
-}
-
-/*?
- * Configure a GBP Contract
- *
- * @cliexpar
- * @cliexstart{set gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (gbp_contract_cli_node, static) =
-{
- .path = "gbp contract",
- .short_help =
- "gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>",
- .function = gbp_contract_cli,
-};
-/* *INDENT-ON* */
-
-static u8 *
-format_gbp_contract_key (u8 * s, va_list * args)
-{
- gbp_contract_key_t *gck = va_arg (*args, gbp_contract_key_t *);
-
- s = format (s, "{%d,%d,%d}", gck->gck_scope, gck->gck_src, gck->gck_dst);
-
- return (s);
-}
-
-u8 *
-format_gbp_contract (u8 * s, va_list * args)
-{
- index_t gci = va_arg (*args, index_t);
- vlib_counter_t counts;
- gbp_contract_t *gc;
- index_t *gui;
- u16 *et;
-
- gc = gbp_contract_get (gci);
-
- s = format (s, "[%d] %U: acl-index:%d",
- gci, format_gbp_contract_key, &gc->gc_key, gc->gc_acl_index);
-
- s = format (s, "\n rules:");
- vec_foreach (gui, gc->gc_rules)
- {
- s = format (s, "\n %d: %U", *gui, format_gbp_rule, *gui);
- }
-
- s = format (s, "\n allowed-ethertypes:");
- s = format (s, "\n [");
- vec_foreach (et, gc->gc_allowed_ethertypes)
- {
- int host_et = clib_net_to_host_u16 (*et);
- if (0 != host_et)
- s = format (s, "0x%x, ", host_et);
- }
- s = format (s, "]");
-
- s = format (s, "\n stats:");
- vlib_get_combined_counter (&gbp_contract_drop_counters, gci, &counts);
- s = format (s, "\n drop:[%Ld:%Ld]", counts.packets, counts.bytes);
- vlib_get_combined_counter (&gbp_contract_permit_counters, gci, &counts);
- s = format (s, "\n permit:[%Ld:%Ld]", counts.packets, counts.bytes);
-
- s = format (s, "]");
-
- return (s);
-}
-
-static clib_error_t *
-gbp_contract_show (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- gbp_contract_t *gc;
- u32 src, dst;
- index_t gci;
-
- src = dst = SCLASS_INVALID;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "src %d", &src))
- ;
- else if (unformat (input, "dst %d", &dst))
- ;
- else
- break;
- }
-
- vlib_cli_output (vm, "Contracts:");
-
- /* *INDENT-OFF* */
- pool_foreach (gc, gbp_contract_pool)
- {
- gci = gc - gbp_contract_pool;
-
- if (SCLASS_INVALID != src && SCLASS_INVALID != dst)
- {
- if (gc->gc_key.gck_src == src &&
- gc->gc_key.gck_dst == dst)
- vlib_cli_output (vm, " %U", format_gbp_contract, gci);
- }
- else if (SCLASS_INVALID != src)
- {
- if (gc->gc_key.gck_src == src)
- vlib_cli_output (vm, " %U", format_gbp_contract, gci);
- }
- else if (SCLASS_INVALID != dst)
- {
- if (gc->gc_key.gck_dst == dst)
- vlib_cli_output (vm, " %U", format_gbp_contract, gci);
- }
- else
- vlib_cli_output (vm, " %U", format_gbp_contract, gci);
- }
- /* *INDENT-ON* */
-
- return (NULL);
-}
-
-/*?
- * Show Group Based Policy Contracts
- *
- * @cliexpar
- * @cliexstart{show gbp contract}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (gbp_contract_show_node, static) = {
- .path = "show gbp contract",
- .short_help = "show gbp contract [src <SRC>] [dst <DST>]\n",
- .function = gbp_contract_show,
-};
-/* *INDENT-ON* */
-
-static fib_node_t *
-gbp_next_hop_get_node (fib_node_index_t index)
-{
- gbp_next_hop_t *gnh;
-
- gnh = gbp_next_hop_get (index);
-
- return (&gnh->gnh_node);
-}
-
-static void
-gbp_next_hop_last_lock_gone (fib_node_t * node)
-{
- ASSERT (0);
-}
-
-static gbp_next_hop_t *
-gbp_next_hop_from_fib_node (fib_node_t * node)
-{
- ASSERT (gbp_next_hop_fib_type == node->fn_type);
- return ((gbp_next_hop_t *) node);
-}
-
-static fib_node_back_walk_rc_t
-gbp_next_hop_back_walk_notify (fib_node_t * node,
- fib_node_back_walk_ctx_t * ctx)
-{
- gbp_next_hop_t *gnh;
-
- gnh = gbp_next_hop_from_fib_node (node);
-
- gbp_contract_mk_one_lb (gnh->gnh_gu);
-
- return (FIB_NODE_BACK_WALK_CONTINUE);
-}
-
-/*
- * The FIB path's graph node virtual function table
- */
-static const fib_node_vft_t gbp_next_hop_vft = {
- .fnv_get = gbp_next_hop_get_node,
- .fnv_last_lock = gbp_next_hop_last_lock_gone,
- .fnv_back_walk = gbp_next_hop_back_walk_notify,
- // .fnv_mem_show = fib_path_memory_show,
-};
-
-static clib_error_t *
-gbp_contract_init (vlib_main_t * vm)
-{
- gc_logger = vlib_log_register_class ("gbp", "con");
- gbp_next_hop_fib_type = fib_node_register_new_type (&gbp_next_hop_vft);
-
- return (NULL);
-}
-
-VLIB_INIT_FUNCTION (gbp_contract_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff