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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <net/if.h>
#include <netinet/in.h>
#include <linux/if_arp.h>
#include "conf-parser.h"
#include "macvlan.h"
#include "macvlan-util.h"
#include "networkd-network.h"
#include "parse-util.h"
DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *req) {
MacVlan *m;
int r;
assert(netdev);
assert(link);
assert(netdev->ifname);
assert(link->network);
if (netdev->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(netdev);
else
m = MACVTAP(netdev);
assert(m);
if (m->mode == NETDEV_MACVLAN_MODE_SOURCE && !set_isempty(m->match_source_mac)) {
const struct ether_addr *mac_addr;
r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MACADDR_MODE, MACVLAN_MACADDR_SET);
if (r < 0)
return r;
r = sd_netlink_message_open_container(req, IFLA_MACVLAN_MACADDR_DATA);
if (r < 0)
return r;
SET_FOREACH(mac_addr, m->match_source_mac) {
r = sd_netlink_message_append_ether_addr(req, IFLA_MACVLAN_MACADDR, mac_addr);
if (r < 0)
return r;
}
r = sd_netlink_message_close_container(req);
if (r < 0)
return r;
}
if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) {
r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode);
if (r < 0)
return r;
}
/* set the nopromisc flag if Promiscuous= of the link is explicitly set to false */
if (m->mode == NETDEV_MACVLAN_MODE_PASSTHRU && link->network->promiscuous == 0) {
r = sd_netlink_message_append_u16(req, IFLA_MACVLAN_FLAGS, MACVLAN_FLAG_NOPROMISC);
if (r < 0)
return r;
}
if (m->bc_queue_length != UINT32_MAX) {
r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_BC_QUEUE_LEN, m->bc_queue_length);
if (r < 0)
return r;
}
return 0;
}
int config_parse_macvlan_broadcast_queue_size(
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) {
MacVlan *m = ASSERT_PTR(userdata);
uint32_t v;
int r;
assert(filename);
assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
m->bc_queue_length = UINT32_MAX;
return 0;
}
r = safe_atou32(rvalue, &v);
if (r < 0) {
log_syntax(unit, LOG_WARNING, filename, line, r,
"Failed to parse BroadcastMulticastQueueLength=%s, ignoring assignment: %m", rvalue);
return 0;
}
if (v == UINT32_MAX) {
log_syntax(unit, LOG_WARNING, filename, line, 0,
"Invalid BroadcastMulticastQueueLength=%s, ignoring assignment: %m", rvalue);
return 0;
}
m->bc_queue_length = v;
return 0;
}
static void macvlan_done(NetDev *n) {
MacVlan *m;
assert(n);
if (n->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(n);
else
m = MACVTAP(n);
assert(m);
set_free(m->match_source_mac);
}
static void macvlan_init(NetDev *n) {
MacVlan *m;
assert(n);
if (n->kind == NETDEV_KIND_MACVLAN)
m = MACVLAN(n);
else
m = MACVTAP(n);
assert(m);
m->mode = _NETDEV_MACVLAN_MODE_INVALID;
m->bc_queue_length = UINT32_MAX;
}
const NetDevVTable macvtap_vtable = {
.object_size = sizeof(MacVlan),
.init = macvlan_init,
.done = macvlan_done,
.sections = NETDEV_COMMON_SECTIONS "MACVTAP\0",
.fill_message_create = netdev_macvlan_fill_message_create,
.create_type = NETDEV_CREATE_STACKED,
.iftype = ARPHRD_ETHER,
.generate_mac = true,
};
const NetDevVTable macvlan_vtable = {
.object_size = sizeof(MacVlan),
.init = macvlan_init,
.done = macvlan_done,
.sections = NETDEV_COMMON_SECTIONS "MACVLAN\0",
.fill_message_create = netdev_macvlan_fill_message_create,
.create_type = NETDEV_CREATE_STACKED,
.iftype = ARPHRD_ETHER,
.generate_mac = true,
};
|
