netdev - [PATCH iproute2 2/2] ip: remove NLM_F

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Message-Id: <1350996176-4000-2-git-send-email-nicolas.dichtel@6wind.com>
Date:	Tue, 23 Oct 2012 14:42:56 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org, joe@...ches.com, bernat@...fy.cx,
	eric.dumazet@...il.com, yoshfuji@...ux-ipv6.org,
	davem@...emloft.net, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH iproute2 2/2] ip: remove NLM_F_EXCL in case of ECMPv6 routes

ECMPv6 routes are added each one after the other by the kernel, so we should
avoid to set the flag NLM_F_EXCL.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 ip/iproute.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ip/iproute.c b/ip/iproute.c
index c60156f..799a70e 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -694,8 +694,11 @@ int parse_nexthops(struct nlmsghdr *n, struct rtmsg *r, int argc, char **argv)
 		rtnh = RTNH_NEXT(rtnh);
 	}
 
-	if (rta->rta_len > RTA_LENGTH(0))
+	if (rta->rta_len > RTA_LENGTH(0)) {
 		addattr_l(n, 1024, RTA_MULTIPATH, RTA_DATA(rta), RTA_PAYLOAD(rta));
+		if (r->rtm_family == AF_INET6)
+			n->nlmsg_flags &= ~NLM_F_EXCL;
+	}
 	return 0;
 }
 
-- 
1.7.12

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