2 * Copyright (c) 2021 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 #include <pnat/pnat.api_enum.h>
17 #include <pnat/pnat.api_types.h>
18 #include <vlibmemory/api.h>
19 #include <vnet/fib/fib_table.h>
20 #include <vnet/ip/ip.h>
21 #include <vnet/ip/ip_types_api.h>
22 #include <vnet/ip/reass/ip4_sv_reass.h>
23 #include <vnet/ip/reass/ip6_full_reass.h>
24 #include <vnet/ip/reass/ip6_sv_reass.h>
25 #include <vpp/app/version.h>
28 * This file contains the API handlers for the pnat.api
31 #define REPLY_MSG_ID_BASE pm->msg_id_base
32 #include <vlibapi/api_helper_macros.h>
34 static void vl_api_pnat_binding_add_t_handler(vl_api_pnat_binding_add_t *mp) {
35 pnat_main_t *pm = &pnat_main;
36 vl_api_pnat_binding_add_reply_t *rmp;
38 int rv = pnat_binding_add(&mp->match, &mp->rewrite, &binding_index);
39 REPLY_MACRO2_END(VL_API_PNAT_BINDING_ADD_REPLY,
40 ({ rmp->binding_index = binding_index; }));
44 vl_api_pnat_binding_attach_t_handler(vl_api_pnat_binding_attach_t *mp) {
45 pnat_main_t *pm = &pnat_main;
46 vl_api_pnat_binding_attach_reply_t *rmp;
49 VALIDATE_SW_IF_INDEX_END(mp);
52 pnat_binding_attach(mp->sw_if_index, mp->attachment, mp->binding_index);
55 REPLY_MACRO_END(VL_API_PNAT_BINDING_ATTACH_REPLY);
59 vl_api_pnat_binding_detach_t_handler(vl_api_pnat_binding_detach_t *mp) {
60 pnat_main_t *pm = &pnat_main;
61 vl_api_pnat_binding_detach_reply_t *rmp;
64 VALIDATE_SW_IF_INDEX_END(mp);
67 pnat_binding_detach(mp->sw_if_index, mp->attachment, mp->binding_index);
70 REPLY_MACRO_END(VL_API_PNAT_BINDING_DETACH_REPLY);
73 static void vl_api_pnat_binding_del_t_handler(vl_api_pnat_binding_del_t *mp) {
74 pnat_main_t *pm = &pnat_main;
75 vl_api_pnat_binding_del_reply_t *rmp;
76 int rv = pnat_binding_del(mp->binding_index);
77 REPLY_MACRO_END(VL_API_PNAT_BINDING_DEL_REPLY);
81 * Workaround for a bug in vppapigen that doesn't register the endian handler
82 * for _details messages. When that's fixed it should be possible to use
83 * REPLY_MACRO_DETAILS4_END and not have to care about endian-ness in the
87 #include <pnat/pnat.api.h>
89 static void send_bindings_details(u32 index, vl_api_registration_t *rp,
91 pnat_main_t *pm = &pnat_main;
92 vl_api_pnat_bindings_details_t *rmp;
93 pnat_translation_t *t = pool_elt_at_index(pm->translations, index);
95 /* Make sure every field is initiated (or don't skip the clib_memset()) */
97 REPLY_MACRO_DETAILS4(VL_API_PNAT_BINDINGS_DETAILS, rp, context, ({
98 rmp->match = t->match;
99 rmp->rewrite = t->rewrite;
101 /* Endian hack until apigen registers _details
102 * endian functions */
103 vl_api_pnat_bindings_details_t_endian(rmp);
104 rmp->_vl_msg_id = htons(rmp->_vl_msg_id);
105 rmp->context = htonl(rmp->context);
109 static void vl_api_pnat_bindings_get_t_handler(vl_api_pnat_bindings_get_t *mp) {
110 pnat_main_t *pm = &pnat_main;
111 vl_api_pnat_bindings_get_reply_t *rmp;
115 if (pool_elts(pm->translations) == 0) {
116 REPLY_MACRO(VL_API_PNAT_BINDINGS_GET_REPLY);
121 * "cursor" comes from the get call, and allows client to continue a dump
123 REPLY_AND_DETAILS_MACRO(VL_API_PNAT_BINDINGS_GET_REPLY, pm->translations, ({
124 send_bindings_details(cursor, rp, mp->context);
128 static void send_interfaces_details(u32 index, vl_api_registration_t *rp,
130 pnat_main_t *pm = &pnat_main;
131 vl_api_pnat_interfaces_details_t *rmp;
132 pnat_interface_t *i = pool_elt_at_index(pm->interfaces, index);
134 /* Make sure every field is initiated (or don't skip the clib_memset()) */
136 REPLY_MACRO_DETAILS4(
137 VL_API_PNAT_INTERFACES_DETAILS, rp, context, ({
138 rmp->sw_if_index = i->sw_if_index;
139 clib_memcpy(rmp->enabled, i->enabled, sizeof(rmp->enabled));
140 clib_memcpy(rmp->lookup_mask, i->lookup_mask,
141 sizeof(rmp->lookup_mask));
143 /* Endian hack until apigen registers _details
144 * endian functions */
145 vl_api_pnat_interfaces_details_t_endian(rmp);
146 rmp->_vl_msg_id = htons(rmp->_vl_msg_id);
147 rmp->context = htonl(rmp->context);
152 vl_api_pnat_interfaces_get_t_handler(vl_api_pnat_interfaces_get_t *mp) {
153 pnat_main_t *pm = &pnat_main;
154 vl_api_pnat_interfaces_get_reply_t *rmp;
158 if (pool_elts(pm->interfaces) == 0) {
159 REPLY_MACRO(VL_API_PNAT_INTERFACES_GET_REPLY);
164 * "cursor" comes from the get call, and allows client to continue a dump
166 REPLY_AND_DETAILS_MACRO(
167 VL_API_PNAT_INTERFACES_GET_REPLY, pm->interfaces,
168 ({ send_interfaces_details(cursor, rp, mp->context); }));
171 /* API definitions */
172 #include <vnet/format_fns.h>
173 #include <pnat/pnat.api.c>
175 /* Set up the API message handling tables */
176 clib_error_t *pnat_plugin_api_hookup(vlib_main_t *vm) {
177 pnat_main_t *pm = &pnat_main;
179 pm->msg_id_base = setup_message_id_table();
185 * Register the plugin and hook up the API
187 #include <vnet/plugin/plugin.h>
188 VLIB_PLUGIN_REGISTER() = {
189 .version = VPP_BUILD_VER,
190 .description = "Policy 1:1 NAT",
193 clib_error_t *pnat_init(vlib_main_t *vm) {
194 pnat_main_t *pm = &pnat_main;
195 memset(pm, 0, sizeof(*pm));
197 return pnat_plugin_api_hookup(vm);
200 VLIB_INIT_FUNCTION(pnat_init);