2 * iplink_vlan.c VLAN device support
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Patrick McHardy <kaber@trash.net>
10 * Arnd Bergmann <arnd@arndb.de>
16 #include <sys/socket.h>
17 #include <linux/if_link.h>
21 #include "ip_common.h"
23 static void explain(void)
26 "Usage: ... macvlan mode { private | vepa | bridge | passthru }\n"
30 static int mode_arg(void)
32 fprintf(stderr
, "Error: argument of \"mode\" must be \"private\", "
33 "\"vepa\", \"bridge\" or \"passthru\" \n");
37 static int macvlan_parse_opt(struct link_util
*lu
, int argc
, char **argv
,
41 if (matches(*argv
, "mode") == 0) {
45 if (strcmp(*argv
, "private") == 0)
46 mode
= MACVLAN_MODE_PRIVATE
;
47 else if (strcmp(*argv
, "vepa") == 0)
48 mode
= MACVLAN_MODE_VEPA
;
49 else if (strcmp(*argv
, "bridge") == 0)
50 mode
= MACVLAN_MODE_BRIDGE
;
51 else if (strcmp(*argv
, "passthru") == 0)
52 mode
= MACVLAN_MODE_PASSTHRU
;
56 addattr32(n
, 1024, IFLA_MACVLAN_MODE
, mode
);
57 } else if (matches(*argv
, "help") == 0) {
61 fprintf(stderr
, "macvlan: unknown option \"%s\"?\n", *argv
);
71 static void macvlan_print_opt(struct link_util
*lu
, FILE *f
, struct rtattr
*tb
[])
78 if (!tb
[IFLA_MACVLAN_MODE
] ||
79 RTA_PAYLOAD(tb
[IFLA_MACVLAN_MODE
]) < sizeof(__u32
))
82 mode
= rta_getattr_u32(tb
[IFLA_VLAN_ID
]);
83 fprintf(f
, " mode %s ",
84 mode
== MACVLAN_MODE_PRIVATE
? "private"
85 : mode
== MACVLAN_MODE_VEPA
? "vepa"
86 : mode
== MACVLAN_MODE_BRIDGE
? "bridge"
87 : mode
== MACVLAN_MODE_PASSTHRU
? "passthru"
91 struct link_util macvlan_link_util
= {
93 .maxattr
= IFLA_MACVLAN_MAX
,
94 .parse_opt
= macvlan_parse_opt
,
95 .print_opt
= macvlan_print_opt
,