1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
*------------------------------------------------------------------
* gtpu_api.c - gtpu api
*
* Copyright (c) 2017 Intel 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/interface.h>
#include <vnet/api_errno.h>
#include <vnet/feature/feature.h>
#include <vnet/fib/fib_table.h>
#include <vppinfra/byte_order.h>
#include <vlibmemory/api.h>
#include <vnet/ip/ip_types_api.h>
#include <gtpu/gtpu.h>
#include <vnet/format_fns.h>
#include <gtpu/gtpu.api_enum.h>
#include <gtpu/gtpu.api_types.h>
#define REPLY_MSG_ID_BASE gtm->msg_id_base
#include <vlibapi/api_helper_macros.h>
static void
vl_api_sw_interface_set_gtpu_bypass_t_handler
(vl_api_sw_interface_set_gtpu_bypass_t * mp)
{
vl_api_sw_interface_set_gtpu_bypass_reply_t *rmp;
int rv = 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
gtpu_main_t *gtm = >pu_main;
VALIDATE_SW_IF_INDEX (mp);
vnet_int_gtpu_bypass_mode (sw_if_index, mp->is_ipv6, mp->enable);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_GTPU_BYPASS_REPLY);
}
static void vl_api_gtpu_add_del_tunnel_t_handler
(vl_api_gtpu_add_del_tunnel_t * mp)
{
vl_api_gtpu_add_del_tunnel_reply_t *rmp;
int rv = 0;
ip4_main_t *im = &ip4_main;
gtpu_main_t *gtm = >pu_main;
uword *p = hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id));
if (!p)
{
rv = VNET_API_ERROR_NO_SUCH_FIB;
goto out;
}
vnet_gtpu_add_del_tunnel_args_t a = {
.is_add = mp->is_add,
.mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
.encap_fib_index = p[0],
.decap_next_index = ntohl (mp->decap_next_index),
.teid = ntohl (mp->teid),
};
ip_address_decode (&mp->dst_address, &a.dst);
ip_address_decode (&mp->src_address, &a.src);
/* Check src & dst are different */
if (ip46_address_cmp (&a.dst, &a.src) == 0)
{
rv = VNET_API_ERROR_SAME_SRC_DST;
goto out;
}
if (ip46_address_is_multicast (&a.dst) &&
!vnet_sw_if_index_is_api_valid (a.mcast_sw_if_index))
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
goto out;
}
u32 sw_if_index = ~0;
rv = vnet_gtpu_add_del_tunnel (&a, &sw_if_index);
out:
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_GTPU_ADD_DEL_TUNNEL_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
/* *INDENT-ON* */
}
static void send_gtpu_tunnel_details
(gtpu_tunnel_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_gtpu_tunnel_details_t *rmp;
gtpu_main_t *gtm = >pu_main;
ip4_main_t *im4 = &ip4_main;
ip6_main_t *im6 = &ip6_main;
u8 is_ipv6 = !ip46_address_is_ip4 (&t->dst);
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_GTPU_TUNNEL_DETAILS + gtm->msg_id_base);
ip_address_encode (&t->src, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
&rmp->src_address);
ip_address_encode (&t->dst, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
&rmp->dst_address);
rmp->encap_vrf_id =
is_ipv6 ? htonl (im6->fibs[t->encap_fib_index].ft_table_id) :
htonl (im4->fibs[t->encap_fib_index].ft_table_id);
rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
rmp->teid = htonl (t->teid);
rmp->decap_next_index = htonl (t->decap_next_index);
rmp->sw_if_index = htonl (t->sw_if_index);
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_gtpu_tunnel_dump_t_handler (vl_api_gtpu_tunnel_dump_t * mp)
{
vl_api_registration_t *reg;
gtpu_main_t *gtm = >pu_main;
gtpu_tunnel_t *t;
u32 sw_if_index;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
sw_if_index = ntohl (mp->sw_if_index);
if (~0 == sw_if_index)
{
/* *INDENT-OFF* */
pool_foreach (t, gtm->tunnels,
({
send_gtpu_tunnel_details(t, reg, mp->context);
}));
/* *INDENT-ON* */
}
else
{
if ((sw_if_index >= vec_len (gtm->tunnel_index_by_sw_if_index)) ||
(~0 == gtm->tunnel_index_by_sw_if_index[sw_if_index]))
{
return;
}
t = >m->tunnels[gtm->tunnel_index_by_sw_if_index[sw_if_index]];
send_gtpu_tunnel_details (t, reg, mp->context);
}
}
#include <gtpu/gtpu.api.c>
static clib_error_t *
gtpu_api_hookup (vlib_main_t * vm)
{
gtpu_main_t *gtm = >pu_main;
gtm->msg_id_base = setup_message_id_table ();
return 0;
}
VLIB_API_INIT_FUNCTION (gtpu_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
