2 *------------------------------------------------------------------
3 * gtpu_api.c - gtpu api
5 * Copyright (c) 2017 Intel and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/interface.h>
21 #include <vnet/api_errno.h>
22 #include <vnet/feature/feature.h>
23 #include <vnet/fib/fib_table.h>
25 #include <vppinfra/byte_order.h>
26 #include <vlibmemory/api.h>
27 #include <vnet/ip/ip_types_api.h>
28 #include <gtpu/gtpu.h>
30 #include <vnet/format_fns.h>
31 #include <gtpu/gtpu.api_enum.h>
32 #include <gtpu/gtpu.api_types.h>
34 #define REPLY_MSG_ID_BASE gtm->msg_id_base
35 #include <vlibapi/api_helper_macros.h>
38 vl_api_sw_interface_set_gtpu_bypass_t_handler
39 (vl_api_sw_interface_set_gtpu_bypass_t * mp)
41 vl_api_sw_interface_set_gtpu_bypass_reply_t *rmp;
43 u32 sw_if_index = ntohl (mp->sw_if_index);
44 gtpu_main_t *gtm = >pu_main;
46 VALIDATE_SW_IF_INDEX (mp);
48 vnet_int_gtpu_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
49 BAD_SW_IF_INDEX_LABEL;
51 REPLY_MACRO (VL_API_SW_INTERFACE_SET_GTPU_BYPASS_REPLY);
54 static void vl_api_gtpu_add_del_tunnel_t_handler
55 (vl_api_gtpu_add_del_tunnel_t * mp)
57 vl_api_gtpu_add_del_tunnel_reply_t *rmp;
59 ip4_main_t *im = &ip4_main;
60 gtpu_main_t *gtm = >pu_main;
62 uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
65 rv = VNET_API_ERROR_NO_SUCH_FIB;
69 vnet_gtpu_add_del_tunnel_args_t a = {
71 .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
72 .encap_fib_index = p[0],
73 .decap_next_index = ntohl (mp->decap_next_index),
74 .teid = ntohl (mp->teid),
76 ip_address_decode (&mp->dst_address, &a.dst);
77 ip_address_decode (&mp->src_address, &a.src);
79 /* Check src & dst are different */
80 if (ip46_address_cmp (&a.dst, &a.src) == 0)
82 rv = VNET_API_ERROR_SAME_SRC_DST;
85 if (ip46_address_is_multicast (&a.dst) &&
86 !vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
88 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
93 rv = vnet_gtpu_add_del_tunnel (&a, &sw_if_index);
97 REPLY_MACRO2(VL_API_GTPU_ADD_DEL_TUNNEL_REPLY,
99 rmp->sw_if_index = ntohl (sw_if_index);
104 static void send_gtpu_tunnel_details
105 (gtpu_tunnel_t * t, vl_api_registration_t * reg, u32 context)
107 vl_api_gtpu_tunnel_details_t *rmp;
108 gtpu_main_t *gtm = >pu_main;
109 ip4_main_t *im4 = &ip4_main;
110 ip6_main_t *im6 = &ip6_main;
111 u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst);
113 rmp = vl_msg_api_alloc (sizeof (*rmp));
114 clib_memset (rmp, 0, sizeof (*rmp));
115 rmp->_vl_msg_id = ntohs (VL_API_GTPU_TUNNEL_DETAILS + gtm->msg_id_base);
117 ip_address_encode (&t->src, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
119 ip_address_encode (&t->dst, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
123 is_ipv6 ? htonl (im6->fibs[t->encap_fib_index].ft_table_id) :
124 htonl (im4->fibs[t->encap_fib_index].ft_table_id);
125 rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
126 rmp->teid = htonl (t->teid);
127 rmp->decap_next_index = htonl (t->decap_next_index);
128 rmp->sw_if_index = htonl (t->sw_if_index);
129 rmp->context = context;
131 vl_api_send_msg (reg, (u8 *) rmp);
135 vl_api_gtpu_tunnel_dump_t_handler (vl_api_gtpu_tunnel_dump_t * mp)
137 vl_api_registration_t *reg;
138 gtpu_main_t *gtm = >pu_main;
142 reg = vl_api_client_index_to_registration (mp->client_index);
146 sw_if_index = ntohl (mp->sw_if_index);
148 if (~0 == sw_if_index)
151 pool_foreach (t, gtm->tunnels,
153 send_gtpu_tunnel_details(t, reg, mp->context);
159 if ((sw_if_index >= vec_len (gtm->tunnel_index_by_sw_if_index)) ||
160 (~0 == gtm->tunnel_index_by_sw_if_index[sw_if_index]))
164 t = >m->tunnels[gtm->tunnel_index_by_sw_if_index[sw_if_index]];
165 send_gtpu_tunnel_details (t, reg, mp->context);
169 #include <gtpu/gtpu.api.c>
170 static clib_error_t *
171 gtpu_api_hookup (vlib_main_t * vm)
173 gtpu_main_t *gtm = >pu_main;
175 gtm->msg_id_base = setup_message_id_table ();
179 VLIB_API_INIT_FUNCTION (gtpu_api_hookup);
182 * fd.io coding-style-patch-verification: ON
185 * eval: (c-set-style "gnu")