2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 *------------------------------------------------------------------
17 * vxlan_gpe_api.c - iOAM VxLAN-GPE related APIs to create
18 * and maintain profiles
19 *------------------------------------------------------------------
22 #include <vnet/vnet.h>
23 #include <vnet/plugin/plugin.h>
24 #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
25 #include <vlibapi/api_helper_macros.h>
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
28 #include <vnet/format_fns.h>
29 #include <vnet/ip/ip_types_api.h>
30 #include <vnet/udp/udp_local.h>
32 /* define message IDs */
33 #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_enum.h>
34 #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api_types.h>
36 static void vl_api_vxlan_gpe_ioam_enable_t_handler
37 (vl_api_vxlan_gpe_ioam_enable_t * mp)
40 vl_api_vxlan_gpe_ioam_enable_reply_t *rmp;
43 /* Ignoring the profile id as currently a single profile
46 vxlan_gpe_ioam_enable (mp->trace_enable, mp->pow_enable, mp->trace_ppc);
49 clib_error_report (error);
50 rv = clib_error_get_code (error);
53 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_ENABLE_REPLY);
56 static void vl_api_vxlan_gpe_ioam_disable_t_handler
57 (vl_api_vxlan_gpe_ioam_disable_t * mp)
60 vl_api_vxlan_gpe_ioam_disable_reply_t *rmp;
63 /* Ignoring the profile id as currently a single profile
65 error = vxlan_gpe_ioam_disable (0, 0, 0);
68 clib_error_report (error);
69 rv = clib_error_get_code (error);
72 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_DISABLE_REPLY);
75 static void vl_api_vxlan_gpe_ioam_vni_enable_t_handler
76 (vl_api_vxlan_gpe_ioam_vni_enable_t * mp)
79 vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp;
81 vxlan4_gpe_tunnel_key_t key4;
83 vxlan_gpe_main_t *gm = &vxlan_gpe_main;
84 vxlan_gpe_tunnel_t *t = 0;
85 vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
89 if (clib_net_to_host_u32 (mp->local.af) == ADDRESS_IP4 &&
90 clib_net_to_host_u32 (mp->remote.af) == ADDRESS_IP4)
92 clib_memcpy (&key4.local, &mp->local.un.ip4, sizeof (key4.local));
93 clib_memcpy (&key4.remote, &mp->remote.un.ip4, sizeof (key4.remote));
94 vni = clib_net_to_host_u32 (mp->vni);
95 key4.vni = clib_host_to_net_u32 (vni << 8);
96 key4.port = clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE);
98 p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
108 t = pool_elt_at_index (gm->tunnels, p[0]);
110 error = vxlan_gpe_ioam_set (t, hm->has_trace_option,
112 hm->has_ppc_option, 0 /* is_ipv6 */ );
117 clib_error_report (error);
118 rv = clib_error_get_code (error);
121 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_ENABLE_REPLY);
125 static void vl_api_vxlan_gpe_ioam_vni_disable_t_handler
126 (vl_api_vxlan_gpe_ioam_vni_disable_t * mp)
129 vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp;
131 vxlan4_gpe_tunnel_key_t key4;
133 vxlan_gpe_main_t *gm = &vxlan_gpe_main;
134 vxlan_gpe_tunnel_t *t = 0;
138 if (clib_net_to_host_u32 (mp->local.af) == ADDRESS_IP4 &&
139 clib_net_to_host_u32 (mp->remote.af) == ADDRESS_IP4)
141 clib_memcpy (&key4.local, &mp->local, sizeof (key4.local));
142 clib_memcpy (&key4.remote, &mp->remote, sizeof (key4.remote));
143 vni = clib_net_to_host_u32 (mp->vni);
144 key4.vni = clib_host_to_net_u32 (vni << 8);
145 key4.port = clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE);
147 p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
157 t = pool_elt_at_index (gm->tunnels, p[0]);
159 error = vxlan_gpe_ioam_clear (t, 0, 0, 0, 0);
164 clib_error_report (error);
165 rv = clib_error_get_code (error);
169 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_DISABLE_REPLY);
172 static void vl_api_vxlan_gpe_ioam_transit_enable_t_handler
173 (vl_api_vxlan_gpe_ioam_transit_enable_t * mp)
176 vl_api_vxlan_gpe_ioam_transit_enable_reply_t *rmp;
177 vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
178 ip46_address_t dst_addr;
180 ip_address_decode (&mp->dst_addr, &dst_addr);
181 bool is_ip6 = clib_net_to_host_u32 (mp->dst_addr.af) == ADDRESS_IP6;
182 rv = vxlan_gpe_enable_disable_ioam_for_dest (sm->vlib_main,
184 ntohl (mp->outer_fib_index),
185 is_ip6, 1 /* is_add */ );
187 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_TRANSIT_ENABLE_REPLY);
190 static void vl_api_vxlan_gpe_ioam_transit_disable_t_handler
191 (vl_api_vxlan_gpe_ioam_transit_disable_t * mp)
194 vl_api_vxlan_gpe_ioam_transit_disable_reply_t *rmp;
195 vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
196 ip46_address_t dst_addr;
198 ip_address_decode (&mp->dst_addr, &dst_addr);
199 bool is_ip6 = clib_net_to_host_u32 (mp->dst_addr.af) == ADDRESS_IP6;
200 rv = vxlan_gpe_ioam_disable_for_dest (sm->vlib_main,
202 ntohl (mp->outer_fib_index), is_ip6);
203 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_TRANSIT_DISABLE_REPLY);
206 #include <ioam/lib-vxlan-gpe/ioam_vxlan_gpe.api.c>
207 static clib_error_t *
208 ioam_vxlan_gpe_init (vlib_main_t * vm)
210 vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
211 u32 encap_node_index = vxlan_gpe_encap_ioam_v4_node.index;
212 u32 decap_node_index = vxlan_gpe_decap_ioam_v4_node.index;
213 vlib_node_t *vxlan_gpe_encap_node = NULL;
214 vlib_node_t *vxlan_gpe_decap_node = NULL;
218 sm->vnet_main = vnet_get_main ();
219 sm->unix_time_0 = (u32) time (0); /* Store starting time */
220 sm->vlib_time_0 = vlib_time_now (vm);
222 /* Ask for a correctly-sized block of API message decode slots */
223 sm->msg_id_base = setup_message_id_table ();
225 /* Hook the ioam-encap node to vxlan-gpe-encap */
226 vxlan_gpe_encap_node = vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-encap");
227 sm->encap_v4_next_node =
228 vlib_node_add_next (vm, vxlan_gpe_encap_node->index, encap_node_index);
230 vxlan_gpe_decap_node =
231 vlib_get_node_by_name (vm, (u8 *) "vxlan4-gpe-input");
233 vlib_node_add_next (vm, vxlan_gpe_decap_node->index, decap_node_index);
234 vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IOAM, next_node);
236 vec_new (vxlan_gpe_ioam_sw_interface_t, pool_elts (sm->sw_interfaces));
237 sm->dst_by_ip4 = hash_create_mem (0, sizeof (fib_prefix_t), sizeof (uword));
239 sm->dst_by_ip6 = hash_create_mem (0, sizeof (fib_prefix_t), sizeof (uword));
241 vxlan_gpe_ioam_interface_init ();
246 VLIB_INIT_FUNCTION (ioam_vxlan_gpe_init);
249 * fd.io coding-style-patch-verification: ON
252 * eval: (c-set-style "gnu")