netdev - [PATCH] iproute2: inform user when a neighbor is removed

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Message-Id: <1349424172-5602-1-git-send-email-nicolas.dichtel@6wind.com>
Date:	Fri,  5 Oct 2012 10:02:52 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH] iproute2: inform user when a neighbor is removed

When running 'ip monitor neigh', there is no hint to tell if a neighbor is
updated or deleted.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 ip/ipneigh.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ip/ipneigh.c b/ip/ipneigh.c
index 93cfba2..56e56b2 100644
--- a/ip/ipneigh.c
+++ b/ip/ipneigh.c
@@ -249,6 +249,8 @@ int print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 			return 0;
 	}
 
+	if (n->nlmsg_type == RTM_DELNEIGH)
+		fprintf(fp, "delete ");
 	if (tb[NDA_DST]) {
 		fprintf(fp, "%s ",
 			format_host(r->ndm_family,
-- 
1.7.12

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