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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-01-23 11:51:05 +02:00

[backfire] merge r24195

git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@24233 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2010-12-03 23:49:48 +00:00
parent 721b6073c5
commit 5f1097202b
4 changed files with 95 additions and 0 deletions

View File

@ -0,0 +1,30 @@
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1105,6 +1105,18 @@ errout:
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);
@@ -1150,7 +1162,7 @@ static void ndisc_router_discovery(struc
skb->dev->name);
return;
}
- if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra) {
+ if (!accept_ra(in6_dev)) {
in6_dev_put(in6_dev);
return;
}

View File

@ -0,0 +1,12 @@
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2839,7 +2839,8 @@ static void addrconf_dad_completed(struc
start sending router solicitations.
*/
- if (ifp->idev->cnf.forwarding == 0 &&
+ if ((ifp->idev->cnf.forwarding == 0 ||
+ ifp->idev->cnf.forwarding == 2) &&
ifp->idev->cnf.rtr_solicits > 0 &&
(dev->flags&IFF_LOOPBACK) == 0 &&
(ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {

View File

@ -0,0 +1,41 @@
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1105,6 +1105,18 @@ errout:
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);
@@ -1158,8 +1170,7 @@ static void ndisc_router_discovery(struc
return;
}
- /* skip route and link configuration on routers */
- if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+ if (!accept_ra(in6_dev))
goto skip_linkparms;
#ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -1309,8 +1320,7 @@ skip_linkparms:
NEIGH_UPDATE_F_ISROUTER);
}
- /* skip route and link configuration on routers */
- if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+ if (!accept_ra(in6_dev))
goto out;
#ifdef CONFIG_IPV6_ROUTE_INFO

View File

@ -0,0 +1,12 @@
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2888,7 +2888,8 @@ static void addrconf_dad_completed(struc
start sending router solicitations.
*/
- if (ifp->idev->cnf.forwarding == 0 &&
+ if ((ifp->idev->cnf.forwarding == 0 ||
+ ifp->idev->cnf.forwarding == 2) &&
ifp->idev->cnf.rtr_solicits > 0 &&
(dev->flags&IFF_LOOPBACK) == 0 &&
(ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {