netdev - [PATCH v3 iproute2 4/4] bridge/fdb: display link netns id

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Message-Id: <1424190639-5333-4-git-send-email-nicolas.dichtel@6wind.com>
Date:	Tue, 17 Feb 2015 17:30:39 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH v3 iproute2 4/4] bridge/fdb: display link netns id

When this attribute is set, it means that the i/o part of the related netdevice
is in another netns.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
v3: rebase on master branch
v2: new in the series

 bridge/fdb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bridge/fdb.c b/bridge/fdb.c
index c01a5020de63..6941edd90f90 100644
--- a/bridge/fdb.c
+++ b/bridge/fdb.c
@@ -131,12 +131,16 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 		if (ifindex) {
 			char ifname[IF_NAMESIZE];
 
-			if (if_indextoname(ifindex, ifname))
+			if (!tb[NDA_LINK_NETNSID] &&
+			    if_indextoname(ifindex, ifname))
 				fprintf(fp, "via %s ", ifname);
 			else
 				fprintf(fp, "via ifindex %u ", ifindex);
 		}
 	}
+	if (tb[NDA_LINK_NETNSID])
+		fprintf(fp, "link-netnsid %d ",
+			rta_getattr_u32(tb[NDA_LINK_NETNSID]));
 
 	if (show_stats && tb[NDA_CACHEINFO]) {
 		struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
-- 
2.2.2

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