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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2014 Susant Sahani <susant@redhat.com>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/ether.h>
#include <arpa/inet.h>
#include <net/if.h>
#include "sd-rtnl.h"
#include "networkd-netdev-vxlan.h"
#include "networkd-link.h"
#include "conf-parser.h"
#include "missing.h"
static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
VxLan *v = VXLAN(netdev);
int r;
assert(netdev);
assert(v);
assert(link);
assert(m);
if (v->id <= VXLAN_VID_MAX) {
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, v->id);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_ID attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_GROUP attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_LINK attribute: %s",
strerror(-r));
return r;
}
if(v->ttl) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_TTL attribute: %s",
strerror(-r));
return r;
}
}
if(v->tos) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, v->tos);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_TOS attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_LEARNING attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_RSC attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_PROXY attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_L2MISS attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_L3MISS attribute: %s",
strerror(-r));
return r;
}
if(v->fdb_ageing) {
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_AGEING attribute: %s",
strerror(-r));
return r;
}
}
return r;
}
int config_parse_vxlan_group_address(const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
VxLan *v = userdata;
union in_addr_union *addr = data, buffer;
int r, f;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = in_addr_from_string_auto(rvalue, &f, &buffer);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"vxlan multicast group address is invalid, ignoring assignment: %s", rvalue);
return 0;
}
if(v->family != AF_UNSPEC && v->family != f) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"vxlan multicast group incompatible, ignoring assignment: %s", rvalue);
return 0;
}
v->family = f;
*addr = buffer;
return 0;
}
static int netdev_vxlan_verify(NetDev *netdev, const char *filename) {
VxLan *v = VXLAN(netdev);
assert(netdev);
assert(v);
assert(filename);
if (v->id > VXLAN_VID_MAX) {
log_warning("VXLAN without valid Id configured in %s. Ignoring", filename);
return -EINVAL;
}
return 0;
}
static void vxlan_init(NetDev *netdev) {
VxLan *v = VXLAN(netdev);
assert(netdev);
assert(v);
v->id = VXLAN_VID_MAX + 1;
v->learning = true;
}
const NetDevVTable vxlan_vtable = {
.object_size = sizeof(VxLan),
.init = vxlan_init,
.sections = "Match\0NetDev\0VXLAN\0",
.fill_message_create = netdev_vxlan_fill_message_create,
.create_type = NETDEV_CREATE_STACKED,
.config_verify = netdev_vxlan_verify,
};
|
