5 #include <sys/socket.h>
7 #include <netinet/in.h>
8 #include <linux/if_bridge.h>
9 #include <linux/if_ether.h>
12 #include "libnetlink.h"
13 #include "br_common.h"
16 static unsigned int filter_index
;
18 static void usage(void)
20 fprintf(stderr
, "Usage: bridge vlan { add | del } vid VLAN_ID dev DEV [ pvid] [ untagged ]\n");
21 fprintf(stderr
, " [ self ] [ master ]\n");
22 fprintf(stderr
, " bridge vlan { show } [ dev DEV ]\n");
26 static int vlan_modify(int cmd
, int argc
, char **argv
)
36 struct rtattr
*afspec
;
37 struct bridge_vlan_info vinfo
;
38 unsigned short flags
= 0;
40 memset(&vinfo
, 0, sizeof(vinfo
));
41 memset(&req
, 0, sizeof(req
));
43 req
.n
.nlmsg_len
= NLMSG_LENGTH(sizeof(struct ifinfomsg
));
44 req
.n
.nlmsg_flags
= NLM_F_REQUEST
;
45 req
.n
.nlmsg_type
= cmd
;
46 req
.ifm
.ifi_family
= PF_BRIDGE
;
49 if (strcmp(*argv
, "dev") == 0) {
52 } else if (strcmp(*argv
, "vid") == 0) {
55 p
= strchr(*argv
, '-');
61 vinfo
.flags
|= BRIDGE_VLAN_INFO_RANGE_BEGIN
;
65 } else if (strcmp(*argv
, "self") == 0) {
66 flags
|= BRIDGE_FLAGS_SELF
;
67 } else if (strcmp(*argv
, "master") == 0) {
68 flags
|= BRIDGE_FLAGS_MASTER
;
69 } else if (strcmp(*argv
, "pvid") == 0) {
70 vinfo
.flags
|= BRIDGE_VLAN_INFO_PVID
;
71 } else if (strcmp(*argv
, "untagged") == 0) {
72 vinfo
.flags
|= BRIDGE_VLAN_INFO_UNTAGGED
;
74 if (matches(*argv
, "help") == 0) {
81 if (d
== NULL
|| vid
== -1) {
82 fprintf(stderr
, "Device and VLAN ID are required arguments.\n");
86 req
.ifm
.ifi_index
= ll_name_to_index(d
);
87 if (req
.ifm
.ifi_index
== 0) {
88 fprintf(stderr
, "Cannot find bridge device \"%s\"\n", d
);
93 fprintf(stderr
, "Invalid VLAN ID \"%hu\"\n", vid
);
97 if (vinfo
.flags
& BRIDGE_VLAN_INFO_RANGE_BEGIN
) {
98 if (vid_end
== -1 || vid_end
>= 4096 || vid
>= vid_end
) {
99 fprintf(stderr
, "Invalid VLAN range \"%hu-%hu\"\n",
103 if (vinfo
.flags
& BRIDGE_VLAN_INFO_PVID
) {
105 "pvid cannot be configured for a vlan range\n");
110 afspec
= addattr_nest(&req
.n
, sizeof(req
), IFLA_AF_SPEC
);
113 addattr16(&req
.n
, sizeof(req
), IFLA_BRIDGE_FLAGS
, flags
);
117 /* send vlan range start */
118 addattr_l(&req
.n
, sizeof(req
), IFLA_BRIDGE_VLAN_INFO
, &vinfo
,
120 vinfo
.flags
&= ~BRIDGE_VLAN_INFO_RANGE_BEGIN
;
122 /* Now send the vlan range end */
123 vinfo
.flags
|= BRIDGE_VLAN_INFO_RANGE_END
;
125 addattr_l(&req
.n
, sizeof(req
), IFLA_BRIDGE_VLAN_INFO
, &vinfo
,
128 addattr_l(&req
.n
, sizeof(req
), IFLA_BRIDGE_VLAN_INFO
, &vinfo
,
132 addattr_nest_end(&req
.n
, afspec
);
134 if (rtnl_talk(&rth
, &req
.n
, 0, 0, NULL
) < 0)
140 static int print_vlan(const struct sockaddr_nl
*who
,
145 struct ifinfomsg
*ifm
= NLMSG_DATA(n
);
146 int len
= n
->nlmsg_len
;
147 struct rtattr
* tb
[IFLA_MAX
+1];
149 if (n
->nlmsg_type
!= RTM_NEWLINK
) {
150 fprintf(stderr
, "Not RTM_NEWLINK: %08x %08x %08x\n",
151 n
->nlmsg_len
, n
->nlmsg_type
, n
->nlmsg_flags
);
155 len
-= NLMSG_LENGTH(sizeof(*ifm
));
157 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
161 if (ifm
->ifi_family
!= AF_BRIDGE
)
164 if (filter_index
&& filter_index
!= ifm
->ifi_index
)
167 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifm
), len
);
169 /* if AF_SPEC isn't there, vlan table is not preset for this port */
170 if (!tb
[IFLA_AF_SPEC
]) {
171 fprintf(fp
, "%s\tNone\n", ll_index_to_name(ifm
->ifi_index
));
174 struct rtattr
*i
, *list
= tb
[IFLA_AF_SPEC
];
175 int rem
= RTA_PAYLOAD(list
);
177 fprintf(fp
, "%s", ll_index_to_name(ifm
->ifi_index
));
178 for (i
= RTA_DATA(list
); RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
179 struct bridge_vlan_info
*vinfo
;
181 if (i
->rta_type
!= IFLA_BRIDGE_VLAN_INFO
)
185 fprintf(fp
, "\t %hu", vinfo
->vid
);
186 if (vinfo
->flags
& BRIDGE_VLAN_INFO_PVID
)
187 fprintf(fp
, " PVID");
188 if (vinfo
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
)
189 fprintf(fp
, " Egress Untagged");
198 static int vlan_show(int argc
, char **argv
)
200 char *filter_dev
= NULL
;
203 if (strcmp(*argv
, "dev") == 0) {
206 duparg("dev", *argv
);
213 if ((filter_index
= if_nametoindex(filter_dev
)) == 0) {
214 fprintf(stderr
, "Cannot find device \"%s\"\n",
220 if (rtnl_wilddump_req_filter(&rth
, PF_BRIDGE
, RTM_GETLINK
,
221 RTEXT_FILTER_BRVLAN
) < 0) {
222 perror("Cannont send dump request");
226 printf("port\tvlan ids\n");
227 if (rtnl_dump_filter(&rth
, print_vlan
, stdout
) < 0) {
228 fprintf(stderr
, "Dump ternminated\n");
236 int do_vlan(int argc
, char **argv
)
241 if (matches(*argv
, "add") == 0)
242 return vlan_modify(RTM_SETLINK
, argc
-1, argv
+1);
243 if (matches(*argv
, "delete") == 0)
244 return vlan_modify(RTM_DELLINK
, argc
-1, argv
+1);
245 if (matches(*argv
, "show") == 0 ||
246 matches(*argv
, "lst") == 0 ||
247 matches(*argv
, "list") == 0)
248 return vlan_show(argc
-1, argv
+1);
249 if (matches(*argv
, "help") == 0)
252 return vlan_show(0, NULL
);
254 fprintf(stderr
, "Command \"%s\" is unknown, try \"bridge fdb help\".\n", *argv
);