---

yaml
---
r: 341694
b: refs/heads/master
c: aeaf6e9
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd90b29d757827ab12d6669292612308ec249532
+refs/heads/master: aeaf6e9d2f49d793d3eb8c1af4095cf25e061b94

trunk/include/net/ipv6.h

@@ -271,6 +271,15 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
 
 extern bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb);
 
+static inline bool ipv6_accept_ra(struct inet6_dev *idev)
+{
+	/* If forwarding is enabled, RA are not accepted unless the special
+	 * hybrid mode (accept_ra=2) is enabled.
+	 */
+	return idev->cnf.forwarding ? idev->cnf.accept_ra == 2 :
+	    idev->cnf.accept_ra;
+}
+
 #if IS_ENABLED(CONFIG_IPV6)
 static inline int ip6_frag_nqueues(struct net *net)
 {

trunk/net/ipv6/addrconf.c

@@ -3150,8 +3150,7 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
 	   router advertisements, start sending router solicitations.
 	 */
 
-	if (((ifp->idev->cnf.accept_ra == 1 && !ifp->idev->cnf.forwarding) ||
-	     ifp->idev->cnf.accept_ra == 2) &&
+	if (ipv6_accept_ra(ifp->idev) &&
 	    ifp->idev->cnf.rtr_solicits > 0 &&
 	    (dev->flags&IFF_LOOPBACK) == 0 &&
 	    (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {

trunk/net/ipv6/ndisc.c

@@ -1032,18 +1032,6 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt)
 	rtnl_set_sk_err(net, RTNLGRP_ND_USEROPT, err);
 }
 
-static inline int accept_ra(struct inet6_dev *in6_dev)
-{
-	/*
-	 * If forwarding is enabled, RA are not accepted unless the special
-	 * hybrid mode (accept_ra=2) is enabled.
-	 */
-	if (in6_dev->cnf.forwarding && in6_dev->cnf.accept_ra < 2)
-		return 0;
-
-	return in6_dev->cnf.accept_ra;
-}
-
 static void ndisc_router_discovery(struct sk_buff *skb)
 {
 	struct ra_msg *ra_msg = (struct ra_msg *)skb_transport_header(skb);
@@ -1091,7 +1079,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 		return;
 	}
 
-	if (!accept_ra(in6_dev))
+	if (!ipv6_accept_ra(in6_dev))
 		goto skip_linkparms;
 
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -1247,7 +1235,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 			     NEIGH_UPDATE_F_ISROUTER);
 	}
 
-	if (!accept_ra(in6_dev))
+	if (!ipv6_accept_ra(in6_dev))
 		goto out;
 
 #ifdef CONFIG_IPV6_ROUTE_INFO