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Date: Sun, 25 May 2014 09:22:30 -0400
From: Jamal Hadi Salim <jhs@...atatu.com>
To: stephen@...workplumber.org
Cc: netdev@...r.kernel.org, vyasevic@...hat.com,
john.r.fastabend@...el.com, sfeldma@...ulusnetworks.com,
Jamal Hadi Salim <jhs@...atatu.com>
Subject: [PATCH 1/1] iproute2 bridge: bring to par with brctl show macs
From: Jamal Hadi Salim <jhs@...atatu.com>
Example usage with bridge sw1 with two entries (port sw1-p1)
root@...-1:iprtmay24# ./bridge/bridge fdb help
Usage: bridge fdb { add | append | del | replace } ADDR dev DEV
{self|master} [ temp ]
[router] [ dst IPADDR] [ vlan VID ]
[ port PORT] [ vni VNI ] [via DEV]
bridge fdb {show} [ br BRDEV ] [ brport DEV ]
root@...-1:iprtmay24#
root@...-1:iprtmay24#
root@...-1:iprtmay24# bridge fdb show
33:33:00:00:00:01 dev bond0 self permanent
33:33:00:00:00:01 dev dummy0 self permanent
33:33:00:00:00:01 dev ifb0 self permanent
33:33:00:00:00:01 dev ifb1 self permanent
33:33:00:00:00:01 dev eth0 self permanent
01:00:5e:00:00:01 dev eth0 self permanent
33:33:ff:22:01:01 dev eth0 self permanent
33:33:00:00:00:01 dev eth1 self permanent
33:33:00:00:00:01 dev gretap0 self permanent
6e:9a:af:54:70:ff dev sw1-p1 vlan 0 permanent
00:17:42:8a:b4:05 dev sw1-p1 vlan 0 permanent
33:33:00:00:00:01 dev sw1-p1 self permanent
root@...a-1:iprtmay24#
root@...a-1:iprtmay24# bridge fdb show br sw1
6e:9a:af:54:70:ff dev sw1-p1 vlan 0 permanent
00:17:42:8a:b4:05 dev sw1-p1 vlan 0 permanent
Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>
---
bridge/fdb.c | 29 ++++++++++++++++++++++++-----
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/bridge/fdb.c b/bridge/fdb.c
index 9b720e3..01a2d71 100644
--- a/bridge/fdb.c
+++ b/bridge/fdb.c
@@ -33,7 +33,7 @@ static void usage(void)
fprintf(stderr, "Usage: bridge fdb { add | append | del | replace } ADDR dev DEV {self|master} [ temp ]\n"
" [router] [ dst IPADDR] [ vlan VID ]\n"
" [ port PORT] [ vni VNI ] [via DEV]\n");
- fprintf(stderr, " bridge fdb {show} [ dev DEV ]\n");
+ fprintf(stderr, " bridge fdb {show} [ br BRDEV ] [ brport DEV ]\n");
exit(-1);
}
@@ -157,18 +157,35 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
static int fdb_show(int argc, char **argv)
{
+ struct ndmsg ndm = { };
char *filter_dev = NULL;
+ char *br = NULL;
+
+ ndm.ndm_family = PF_BRIDGE;
+ ndm.ndm_state = NUD_NOARP;
while (argc > 0) {
- if (strcmp(*argv, "dev") == 0) {
+ if ((strcmp(*argv, "brport") == 0) || strcmp(*argv, "dev") == 0) {
NEXT_ARG();
- if (filter_dev)
- duparg("dev", *argv);
filter_dev = *argv;
+ } else if (strcmp(*argv, "br") == 0) {
+ NEXT_ARG();
+ br = *argv;
+ } else {
+ if (matches(*argv, "help") == 0)
+ usage();
}
argc--; argv++;
}
+ if (br) {
+ ndm.ndm_ifindex = ll_name_to_index(br);
+ if (ndm.ndm_ifindex == 0) {
+ fprintf(stderr, "Cannot find bridge device \"%s\"\n", br);
+ return -1;
+ }
+ }
+
if (filter_dev) {
filter_index = if_nametoindex(filter_dev);
if (filter_index == 0) {
@@ -176,13 +193,15 @@ static int fdb_show(int argc, char **argv)
filter_dev);
return -1;
}
+
}
- if (rtnl_wilddump_request(&rth, PF_BRIDGE, RTM_GETNEIGH) < 0) {
+ if (rtnl_dump_request(&rth, RTM_GETNEIGH, &ndm, sizeof(struct ndmsg)) < 0) {
perror("Cannot send dump request");
exit(1);
}
+
if (rtnl_dump_filter(&rth, print_fdb, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
--
1.7.9.5
--
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