From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 28 Sep 2012 23:07:59 +0000 (+0200)
Subject: system-linux: do not delete kernel-generated ipv6 routes to fix using advertised... 
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=6653b861748719ab58e21a81e01d59d4d8afe10c

system-linux: do not delete kernel-generated ipv6 routes to fix using advertised routes
---

diff --git a/system-linux.c b/system-linux.c
index e1343a5..eb73e95 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -382,8 +382,13 @@ static bool check_ifaddr(struct nlmsghdr *hdr, int ifindex)
 
 static bool check_route(struct nlmsghdr *hdr, int ifindex)
 {
+	struct rtmsg *r = NLMSG_DATA(hdr);
 	struct nlattr *tb[__RTA_MAX];
 
+	if (r->rtm_protocol == RTPROT_KERNEL &&
+	    r->rtm_family == AF_INET6)
+		return false;
+
 	nlmsg_parse(hdr, sizeof(struct rtmsg), tb, __RTA_MAX - 1, NULL);
 	if (!tb[RTA_OIF])
 		return false;