/* * 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. */ /* *------------------------------------------------------------------ * vxlan_gpe_api.c - iOAM VxLAN-GPE related APIs to create * and maintain profiles *------------------------------------------------------------------ */ #include <vnet/vnet.h> #include <vnet/plugin/plugin.h> #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h> #include <vlibapi/api_helper_macros.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> #include <vnet/format_fns.h> #include <vnet/ip/ip_types_api.h> /* define message IDs */ #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_enum.h> #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_types.h> static void vl_api_vxlan_gpe_ioam_enable_t_handler (vl_api_vxlan_gpe_ioam_enable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_enable_reply_t *rmp; clib_error_t *error; /* Ignoring the profile id as currently a single profile * is supported */ error = vxlan_gpe_ioam_enable (mp->trace_enable, mp->pow_enable, mp->trace_ppc); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_ENABLE_REPLY); } static void vl_api_vxlan_gpe_ioam_disable_t_handler (vl_api_vxlan_gpe_ioam_disable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_disable_reply_t *rmp; clib_error_t *error; /* Ignoring the profile id as currently a single profile * is supported */ error = vxlan_gpe_ioam_disable (0, 0, 0); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_DISABLE_REPLY); } static void vl_api_vxlan_gpe_ioam_vni_enable_t_handler (vl_api_vxlan_gpe_ioam_vni_enable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp; clib_error_t *error; vxlan4_gpe_tunnel_key_t key4; uword *p = NULL; vxlan_gpe_main_t *gm = &vxlan_gpe_main; vxlan_gpe_tunnel_t *t = 0; vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main; u32 vni; if (clib_net_to_host_u32 (mp->local.af) == ADDRESS_IP4 && clib_net_to_host_u32 (mp->remote.af) == ADDRESS_IP4) { clib_memcpy (&key4.local, &mp->local.un.ip4, sizeof (key4.local)); clib_memcpy (&key4.remote, &mp->remote.un.ip4, sizeof (key4.remote)); vni = clib_net_to_host_u32 (mp->vni); key4.vni = clib_host_to_net_u32 (vni << 8); key4.pad = 0; p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4); } else { return; } if (!p) return; t = pool_elt_at_index (gm->tunnels, p[0]); error = vxlan_gpe_ioam_set (t, hm->has_trace_option, hm->has_pot_option, hm->has_ppc_option, 0 /* is_ipv6 */ ); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_ENABLE_REPLY); } static void vl_api_vxlan_gpe_ioam_vni_disable_t_handler (vl_api_vxlan_gpe_ioam_vni_disable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp; clib_error_t *error; vxlan4_gpe_tunnel_key_t key4; uword *p = NULL; vxlan_gpe_main_t *gm = &vxlan_gpe_main; vxlan_gpe_tunnel_t *t = 0; u32 vni; if (clib_net_to_host_u32 (mp->local.af) == ADDRESS_IP4 && clib_net_to_host_u32 (mp->remote.af) == ADDRESS_IP4) { clib_memcpy (&key4.local, &mp->local, sizeof (key4.local)); clib_memcpy (&key4.remote, &mp->remote, sizeof (key4.remote)); vni = clib_net_to_host_u32 (mp->vni); key4.vni = clib_host_to_net_u32 (vni << 8); key4.pad = 0; p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4); } else { return; } if (!p) return; t = pool_elt_at_index (gm->tunnels, p[0]); error = vxlan_gpe_ioam_clear (t, 0, 0, 0, 0); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_DISABLE_REPLY); } static void vl_api_vxlan_gpe_ioam_transit_enable_t_handler (vl_api_vxlan_gpe_ioam_transit_enable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_transit_enable_reply_t *rmp; vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main; ip46_address_t dst_addr; ip_address_decode (&mp->dst_addr, &dst_addr); bool is_ip6 = clib_net_to_host_u32 (mp->dst_addr.af) == ADDRESS_IP6; rv = vxlan_gpe_enable_disable_ioam_for_dest (sm->vlib_main, dst_addr, ntohl (mp->outer_fib_index), is_ip6, 1 /* is_add */ ); REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_TRANSIT_ENABLE_REPLY); } static void vl_api_vxlan_gpe_ioam_transit_disable_t_handler (vl_api_vxlan_gpe_ioam_transit_disable_t * mp) { int rv = 0; vl_api_vxlan_gpe_ioam_transit_disable_reply_t *rmp; vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main; ip46_address_t dst_addr; ip_address_decode (&mp->dst_addr, &dst_addr); bool is_ip6 = clib_net_to_host_u32 (mp->dst_addr.af) == ADDRESS_IP6; rv = vxlan_gpe_ioam_disable_for_dest (sm->vlib_main, dst_addr, ntohl (mp->outer_fib_index), is_ip6); REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_TRANSIT_DISABLE_REPLY); } #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.c> static clib_error_t * ioam_vxlan_gpe_init (vlib_main_t * vm) { vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main; u32 encap_node_index = vxlan_gpe_encap_ioam_v4_node.index; u32 decap_node_index = vxlan_gpe_decap_ioam_v4_node.index; vlib_node_t *vxlan_gpe_encap_node = NULL; vlib_node_t *vxlan_gpe_decap_node = NULL; uword next_node = 0; sm->vlib_main = vm; sm->vnet_main = vnet_get_main (); sm->unix_time_0 = (u32) time (0); /* Store starting time */ sm->vlib_time_0 = vlib_time_now (vm); /* Ask for a correctly-sized block of API message decode slots */ sm->msg_id_base = setup_message_id_table (); /* Hook the ioam-encap node to vxlan-gpe-encap */ vxlan_gpe_encap_node = vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-encap"); sm->encap_v4_next_node = vlib_node_add_next (vm, vxlan_gpe_encap_node->index, encap_node_index); vxlan_gpe_decap_node = vlib_get_node_by_name (vm, (u8 *) "vxlan4-gpe-input"); next_node = vlib_node_add_next (vm, vxlan_gpe_decap_node->index, decap_node_index); vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IOAM, next_node); vec_new (vxlan_gpe_ioam_sw_interface_t, pool_elts (sm->sw_interfaces)); sm->dst_by_ip4 = hash_create_mem (0, sizeof (fib_prefix_t), sizeof (uword)); sm->dst_by_ip6 = hash_create_mem (0, sizeof (fib_prefix_t), sizeof (uword)); vxlan_gpe_ioam_interface_init (); return 0; } VLIB_INIT_FUNCTION (ioam_vxlan_gpe_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */