diff options
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c')
| -rw-r--r-- | plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c | 773 |
1 files changed, 0 insertions, 773 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c b/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c deleted file mode 100644 index 6c04d9af..00000000 --- a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c +++ /dev/null @@ -1,773 +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/vxlan-gpe/vxlan_gpe.h> -#include <vnet/vxlan-gpe/vxlan_gpe_packet.h> -#include <vnet/ip/format.h> -#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h> -#include <vnet/fib/ip6_fib.h> -#include <vnet/fib/ip4_fib.h> -#include <vnet/fib/fib_entry.h> - -vxlan_gpe_ioam_main_t vxlan_gpe_ioam_main; - -int -vxlan_gpe_ioam_set_rewrite (vxlan_gpe_tunnel_t * t, int has_trace_option, - int has_pot_option, int has_ppc_option, - u8 ipv6_set) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - u32 size; - vxlan_gpe_ioam_hdr_t *vxlan_gpe_ioam_hdr; - u8 *current; - u8 trace_data_size = 0; - u8 pot_data_size = 0; - - if (has_trace_option == 0 && has_pot_option == 0) - return -1; - - /* Work out how much space we need */ - size = sizeof (vxlan_gpe_ioam_hdr_t); - - if (has_trace_option - && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] != 0) - { - size += sizeof (vxlan_gpe_ioam_option_t); - size += hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE]; - } - if (has_pot_option - && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0) - { - size += sizeof (vxlan_gpe_ioam_option_t); - size += hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]; - } - - t->rewrite_size = size; - - if (!ipv6_set) - { - vxlan4_gpe_rewrite (t, size, VXLAN_GPE_PROTOCOL_IOAM, - hm->encap_v4_next_node); - vxlan_gpe_ioam_hdr = - (vxlan_gpe_ioam_hdr_t *) (t->rewrite + - sizeof (ip4_vxlan_gpe_header_t)); - } - else - { - vxlan6_gpe_rewrite (t, size, VXLAN_GPE_PROTOCOL_IOAM, - VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP); - vxlan_gpe_ioam_hdr = - (vxlan_gpe_ioam_hdr_t *) (t->rewrite + - sizeof (ip6_vxlan_gpe_header_t)); - } - - - vxlan_gpe_ioam_hdr->type = VXLAN_GPE_PROTOCOL_IOAM; - /* Length of the header in octets */ - vxlan_gpe_ioam_hdr->length = size; - vxlan_gpe_ioam_hdr->protocol = t->protocol; - current = (u8 *) vxlan_gpe_ioam_hdr + sizeof (vxlan_gpe_ioam_hdr_t); - - if (has_trace_option - && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] != 0) - { - if (0 != hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] (current, - &trace_data_size)) - return -1; - current += trace_data_size; - } - if (has_pot_option - && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0) - { - pot_data_size = - hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]; - if (0 == - hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] - (current, &pot_data_size)) - current += pot_data_size; - } - - return 0; -} - -int -vxlan_gpe_ioam_clear_rewrite (vxlan_gpe_tunnel_t * t, int has_trace_option, - int has_pot_option, int has_ppc_option, - u8 ipv6_set) -{ - - t->rewrite_size = 0; - - if (!ipv6_set) - { - vxlan4_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP); - } - else - { - vxlan6_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP); - } - - - return 0; -} - -clib_error_t * -vxlan_gpe_ioam_clear (vxlan_gpe_tunnel_t * t, - int has_trace_option, int has_pot_option, - int has_ppc_option, u8 ipv6_set) -{ - int rv; - rv = vxlan_gpe_ioam_clear_rewrite (t, 0, 0, 0, 0); - - if (rv == 0) - { - return (0); - } - else - { - return clib_error_return_code (0, rv, 0, - "vxlan_gpe_ioam_clear_rewrite returned %d", - rv); - } - -} - - -clib_error_t * -vxlan_gpe_ioam_set (vxlan_gpe_tunnel_t * t, - int has_trace_option, int has_pot_option, - int has_ppc_option, u8 ipv6_set) -{ - int rv; - rv = vxlan_gpe_ioam_set_rewrite (t, has_trace_option, - has_pot_option, has_ppc_option, ipv6_set); - - if (rv == 0) - { - return (0); - } - else - { - return clib_error_return_code (0, rv, 0, - "vxlan_gpe_ioam_set_rewrite returned %d", - rv); - } - -} - -static void -vxlan_gpe_set_clear_output_feature_on_intf (vlib_main_t * vm, - u32 sw_if_index0, u8 is_add) -{ - - - - vnet_feature_enable_disable ("ip4-output", "vxlan-gpe-transit-ioam", - sw_if_index0, is_add, - 0 /* void *feature_config */ , - 0 /* u32 n_feature_config_bytes */ ); - return; -} - -void -vxlan_gpe_clear_output_feature_on_all_intfs (vlib_main_t * vm) -{ - vnet_sw_interface_t *si = 0; - vnet_main_t *vnm = vnet_get_main (); - vnet_interface_main_t *im = &vnm->interface_main; - - pool_foreach (si, im->sw_interfaces, ( - { - vxlan_gpe_set_clear_output_feature_on_intf - (vm, si->sw_if_index, 0); - })); - return; -} - - -extern fib_forward_chain_type_t -fib_entry_get_default_chain_type (const fib_entry_t * fib_entry); - -int -vxlan_gpe_enable_disable_ioam_for_dest (vlib_main_t * vm, - ip46_address_t dst_addr, - u32 outer_fib_index, - u8 is_ipv4, u8 is_add) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - u32 fib_index0 = 0; - u32 sw_if_index0 = ~0; - - fib_node_index_t fei = ~0; - fib_entry_t *fib_entry; - u32 adj_index0; - ip_adjacency_t *adj0; - fib_prefix_t fib_prefix; - //fib_forward_chain_type_t fct; - load_balance_t *lb_m, *lb_b; - const dpo_id_t *dpo0, *dpo1; - u32 i, j; - //vnet_hw_interface_t *hw; - - if (is_ipv4) - { - memset (&fib_prefix, 0, sizeof (fib_prefix_t)); - fib_prefix.fp_len = 32; - fib_prefix.fp_proto = FIB_PROTOCOL_IP4; - fib_prefix.fp_addr = dst_addr; - } - else - { - return 0; - } - - fei = fib_table_lookup (fib_index0, &fib_prefix); - fib_entry = fib_entry_get (fei); - - //fct = fib_entry_get_default_chain_type (fib_entry); - - if (!dpo_id_is_valid (&fib_entry->fe_lb /*[fct] */ )) - { - return (-1); - } - - lb_m = load_balance_get (fib_entry->fe_lb /*[fct] */ .dpoi_index); - - for (i = 0; i < lb_m->lb_n_buckets; i++) - { - dpo0 = load_balance_get_bucket_i (lb_m, i); - - if (dpo0->dpoi_type == DPO_LOAD_BALANCE) - { - lb_b = load_balance_get (dpo0->dpoi_index); - - for (j = 0; j < lb_b->lb_n_buckets; j++) - { - dpo1 = load_balance_get_bucket_i (lb_b, j); - - if (dpo1->dpoi_type == DPO_ADJACENCY) - { - adj_index0 = dpo1->dpoi_index; - - if (ADJ_INDEX_INVALID == adj_index0) - { - continue; - } - - adj0 = - ip_get_adjacency (&(ip4_main.lookup_main), adj_index0); - sw_if_index0 = adj0->rewrite_header.sw_if_index; - - if (~0 == sw_if_index0) - { - continue; - } - - - if (is_add) - { - vnet_feature_enable_disable ("ip4-output", - "vxlan-gpe-transit-ioam", - sw_if_index0, is_add, 0 - /* void *feature_config */ - , 0 /* u32 n_feature_config_bytes */ - ); - - vec_validate_init_empty (hm->bool_ref_by_sw_if_index, - sw_if_index0, ~0); - hm->bool_ref_by_sw_if_index[sw_if_index0] = 1; - } - else - { - hm->bool_ref_by_sw_if_index[sw_if_index0] = ~0; - } - } - } - } - } - - if (is_ipv4) - { - - uword *t = NULL; - vxlan_gpe_ioam_dest_tunnels_t *t1; - fib_prefix_t key4, *key4_copy; - hash_pair_t *hp; - memset (&key4, 0, sizeof (key4)); - key4.fp_proto = FIB_PROTOCOL_IP4; - key4.fp_addr.ip4.as_u32 = fib_prefix.fp_addr.ip4.as_u32; - t = hash_get_mem (hm->dst_by_ip4, &key4); - if (is_add) - { - if (t) - { - return 0; - } - pool_get_aligned (hm->dst_tunnels, t1, CLIB_CACHE_LINE_BYTES); - memset (t1, 0, sizeof (*t1)); - t1->fp_proto = FIB_PROTOCOL_IP4; - t1->dst_addr.ip4.as_u32 = fib_prefix.fp_addr.ip4.as_u32; - key4_copy = clib_mem_alloc (sizeof (*key4_copy)); - clib_memcpy (key4_copy, &key4, sizeof (*key4_copy)); - hash_set_mem (hm->dst_by_ip4, key4_copy, t1 - hm->dst_tunnels); - /* - * Attach to the FIB entry for the VxLAN-GPE destination - * and become its child. The dest route will invoke a callback - * when the fib entry changes, it can be used to - * re-program the output feature on the egress interface. - */ - - const fib_prefix_t tun_dst_pfx = { - .fp_len = 32, - .fp_proto = FIB_PROTOCOL_IP4, - .fp_addr = {.ip4 = t1->dst_addr.ip4,} - }; - - t1->fib_entry_index = - fib_table_entry_special_add (outer_fib_index, - &tun_dst_pfx, - FIB_SOURCE_RR, - FIB_ENTRY_FLAG_NONE, - ADJ_INDEX_INVALID); - t1->sibling_index = - fib_entry_child_add (t1->fib_entry_index, - hm->fib_entry_type, t1 - hm->dst_tunnels); - t1->outer_fib_index = outer_fib_index; - - } - else - { - if (!t) - { - return 0; - } - t1 = pool_elt_at_index (hm->dst_tunnels, t[0]); - hp = hash_get_pair (hm->dst_by_ip4, &key4); - key4_copy = (void *) (hp->key); - hash_unset_mem (hm->dst_by_ip4, &key4); - clib_mem_free (key4_copy); - pool_put (hm->dst_tunnels, t1); - } - } - else - { - // TBD for IPv6 - } - - return 0; -} - -void -vxlan_gpe_refresh_output_feature_on_all_dest (void) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - vxlan_gpe_ioam_dest_tunnels_t *t; - u32 i; - if (pool_elts (hm->dst_tunnels) == 0) - return; - vxlan_gpe_clear_output_feature_on_all_intfs (hm->vlib_main); - i = vec_len (hm->bool_ref_by_sw_if_index); - vec_free (hm->bool_ref_by_sw_if_index); - vec_validate_init_empty (hm->bool_ref_by_sw_if_index, i, ~0); - pool_foreach (t, hm->dst_tunnels, ( - { - vxlan_gpe_enable_disable_ioam_for_dest - (hm->vlib_main, - t->dst_addr, - t->outer_fib_index, - (t->fp_proto == FIB_PROTOCOL_IP4), 1 - /* is_add */ - ); - } - )); - return; -} - -void -vxlan_gpe_clear_output_feature_on_select_intfs (void) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - u32 sw_if_index0 = 0; - for (sw_if_index0 = 0; - sw_if_index0 < vec_len (hm->bool_ref_by_sw_if_index); sw_if_index0++) - { - if (hm->bool_ref_by_sw_if_index[sw_if_index0] == 0xFF) - { - vxlan_gpe_set_clear_output_feature_on_intf - (hm->vlib_main, sw_if_index0, 0); - } - } - - return; -} - -static clib_error_t * -vxlan_gpe_set_ioam_rewrite_command_fn (vlib_main_t * - vm, - unformat_input_t - * input, vlib_cli_command_t * cmd) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - ip46_address_t local, remote; - u8 local_set = 0; - u8 remote_set = 0; - u8 ipv4_set = 0; - u8 ipv6_set = 0; - u32 vni; - u8 vni_set = 0; - u8 disable = 0; - clib_error_t *rv = 0; - vxlan4_gpe_tunnel_key_t key4; - vxlan6_gpe_tunnel_key_t key6; - uword *p; - vxlan_gpe_main_t *gm = &vxlan_gpe_main; - vxlan_gpe_tunnel_t *t = 0; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "local %U", unformat_ip4_address, &local.ip4)) - { - local_set = 1; - ipv4_set = 1; - } - else - if (unformat (input, "remote %U", unformat_ip4_address, &remote.ip4)) - { - remote_set = 1; - ipv4_set = 1; - } - else if (unformat (input, "local %U", unformat_ip6_address, &local.ip6)) - { - local_set = 1; - ipv6_set = 1; - } - else - if (unformat (input, "remote %U", unformat_ip6_address, &remote.ip6)) - { - remote_set = 1; - ipv6_set = 1; - } - else if (unformat (input, "vni %d", &vni)) - vni_set = 1; - else if (unformat (input, "disable")) - disable = 1; - else - break; - } - - if (local_set == 0) - return clib_error_return (0, "tunnel local address not specified"); - if (remote_set == 0) - return clib_error_return (0, "tunnel remote address not specified"); - if (ipv4_set && ipv6_set) - return clib_error_return (0, "both IPv4 and IPv6 addresses specified"); - if ((ipv4_set - && memcmp (&local.ip4, &remote.ip4, - sizeof (local.ip4)) == 0) || (ipv6_set - && - memcmp - (&local.ip6, - &remote.ip6, - sizeof (local.ip6)) == 0)) - return clib_error_return (0, "src and dst addresses are identical"); - if (vni_set == 0) - return clib_error_return (0, "vni not specified"); - if (!ipv6_set) - { - key4.local = local.ip4.as_u32; - key4.remote = remote.ip4.as_u32; - key4.vni = clib_host_to_net_u32 (vni << 8); - key4.pad = 0; - p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4); - } - else - { - key6.local.as_u64[0] = local.ip6.as_u64[0]; - key6.local.as_u64[1] = local.ip6.as_u64[1]; - key6.remote.as_u64[0] = remote.ip6.as_u64[0]; - key6.remote.as_u64[1] = remote.ip6.as_u64[1]; - key6.vni = clib_host_to_net_u32 (vni << 8); - p = hash_get_mem (gm->vxlan6_gpe_tunnel_by_key, &key6); - } - - if (!p) - return clib_error_return (0, "VxLAN Tunnel not found"); - t = pool_elt_at_index (gm->tunnels, p[0]); - if (!disable) - { - rv = - vxlan_gpe_ioam_set (t, hm->has_trace_option, - hm->has_pot_option, hm->has_ppc_option, ipv6_set); - } - else - { - rv = vxlan_gpe_ioam_clear (t, 0, 0, 0, 0); - } - return rv; -} - - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (vxlan_gpe_set_ioam_rewrite_cmd, static) = { - .path = "set vxlan-gpe-ioam", - .short_help = "set vxlan-gpe-ioam vxlan <src-ip> <dst_ip> <vnid> [disable]", - .function = vxlan_gpe_set_ioam_rewrite_command_fn, -}; -/* *INDENT-ON* */ - - - -clib_error_t * -vxlan_gpe_ioam_enable (int has_trace_option, - int has_pot_option, int has_ppc_option) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - hm->has_trace_option = has_trace_option; - hm->has_pot_option = has_pot_option; - hm->has_ppc_option = has_ppc_option; - if (hm->has_trace_option) - { - vxlan_gpe_trace_profile_setup (); - } - - return 0; -} - -clib_error_t * -vxlan_gpe_ioam_disable (int - has_trace_option, - int has_pot_option, int has_ppc_option) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - hm->has_trace_option = has_trace_option; - hm->has_pot_option = has_pot_option; - hm->has_ppc_option = has_ppc_option; - if (!hm->has_trace_option) - { - vxlan_gpe_trace_profile_cleanup (); - } - - return 0; -} - -void -vxlan_gpe_set_next_override (uword next) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - hm->decap_v4_next_override = next; - return; -} - -static clib_error_t * -vxlan_gpe_set_ioam_flags_command_fn (vlib_main_t * vm, - unformat_input_t - * input, vlib_cli_command_t * cmd) -{ - int has_trace_option = 0; - int has_pot_option = 0; - int has_ppc_option = 0; - clib_error_t *rv = 0; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "trace")) - has_trace_option = 1; - else if (unformat (input, "pot")) - has_pot_option = 1; - else if (unformat (input, "ppc encap")) - has_ppc_option = PPC_ENCAP; - else if (unformat (input, "ppc decap")) - has_ppc_option = PPC_DECAP; - else if (unformat (input, "ppc none")) - has_ppc_option = PPC_NONE; - else - break; - } - - - rv = - vxlan_gpe_ioam_enable (has_trace_option, has_pot_option, has_ppc_option); - return rv; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (vxlan_gpe_set_ioam_flags_cmd, static) = -{ -.path = "set vxlan-gpe-ioam rewrite", -.short_help = "set vxlan-gpe-ioam [trace] [pot] [ppc <encap|decap>]", -.function = vxlan_gpe_set_ioam_flags_command_fn,}; -/* *INDENT-ON* */ - - -int vxlan_gpe_ioam_disable_for_dest - (vlib_main_t * vm, ip46_address_t dst_addr, u32 outer_fib_index, - u8 ipv4_set) -{ - vxlan_gpe_ioam_dest_tunnels_t *t; - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - - vxlan_gpe_enable_disable_ioam_for_dest (hm->vlib_main, - dst_addr, outer_fib_index, ipv4_set, - 0); - if (pool_elts (hm->dst_tunnels) == 0) - { - vxlan_gpe_clear_output_feature_on_select_intfs (); - return 0; - } - - pool_foreach (t, hm->dst_tunnels, ( - { - vxlan_gpe_enable_disable_ioam_for_dest - (hm->vlib_main, - t->dst_addr, - t->outer_fib_index, - (t->fp_proto == - FIB_PROTOCOL_IP4), 1 /* is_add */ ); - } - )); - vxlan_gpe_clear_output_feature_on_select_intfs (); - return (0); - -} - -static clib_error_t *vxlan_gpe_set_ioam_transit_rewrite_command_fn - (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - ip46_address_t dst_addr; - u8 dst_addr_set = 0; - u8 ipv4_set = 0; - u8 ipv6_set = 0; - u8 disable = 0; - clib_error_t *rv = 0; - u32 outer_fib_index = 0; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "dst-ip %U", unformat_ip4_address, &dst_addr.ip4)) - { - dst_addr_set = 1; - ipv4_set = 1; - } - else - if (unformat - (input, "dst-ip %U", unformat_ip6_address, &dst_addr.ip6)) - { - dst_addr_set = 1; - ipv6_set = 1; - } - else if (unformat (input, "outer-fib-index %d", &outer_fib_index)) - { - } - - else if (unformat (input, "disable")) - disable = 1; - else - break; - } - - if (dst_addr_set == 0) - return clib_error_return (0, "tunnel destination address not specified"); - if (ipv4_set && ipv6_set) - return clib_error_return (0, "both IPv4 and IPv6 addresses specified"); - if (!disable) - { - vxlan_gpe_enable_disable_ioam_for_dest (hm->vlib_main, - dst_addr, outer_fib_index, - ipv4_set, 1); - } - else - { - vxlan_gpe_ioam_disable_for_dest - (vm, dst_addr, outer_fib_index, ipv4_set); - } - return rv; -} - - /* *INDENT-OFF* */ -VLIB_CLI_COMMAND (vxlan_gpe_set_ioam_transit_rewrite_cmd, static) = { - .path = "set vxlan-gpe-ioam-transit", - .short_help = "set vxlan-gpe-ioam-transit dst-ip <dst_ip> [outer-fib-index <outer_fib_index>] [disable]", - .function = vxlan_gpe_set_ioam_transit_rewrite_command_fn, -}; -/* *INDENT-ON* */ - -clib_error_t *clear_vxlan_gpe_ioam_rewrite_command_fn - (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) -{ - return (vxlan_gpe_ioam_disable (0, 0, 0)); -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (vxlan_gpe_clear_ioam_flags_cmd, static) = -{ -.path = "clear vxlan-gpe-ioam rewrite", -.short_help = "clear vxlan-gpe-ioam rewrite", -.function = clear_vxlan_gpe_ioam_rewrite_command_fn, -}; -/* *INDENT-ON* */ - - -/** - * Function definition to backwalk a FIB node - */ -static fib_node_back_walk_rc_t -vxlan_gpe_ioam_back_walk (fib_node_t * node, fib_node_back_walk_ctx_t * ctx) -{ - vxlan_gpe_refresh_output_feature_on_all_dest (); - return (FIB_NODE_BACK_WALK_CONTINUE); -} - -/** - * Function definition to get a FIB node from its index - */ -static fib_node_t * -vxlan_gpe_ioam_fib_node_get (fib_node_index_t index) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - return (&hm->node); -} - -/** - * Function definition to inform the FIB node that its last lock has gone. - */ -static void -vxlan_gpe_ioam_last_lock_gone (fib_node_t * node) -{ - ASSERT (0); -} - - -/* - * Virtual function table registered by MPLS GRE tunnels - * for participation in the FIB object graph. - */ -const static fib_node_vft_t vxlan_gpe_ioam_vft = { - .fnv_get = vxlan_gpe_ioam_fib_node_get, - .fnv_last_lock = vxlan_gpe_ioam_last_lock_gone, - .fnv_back_walk = vxlan_gpe_ioam_back_walk, -}; - -void -vxlan_gpe_ioam_interface_init (void) -{ - vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; - hm->fib_entry_type = fib_node_register_new_type (&vxlan_gpe_ioam_vft); - return; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |