diff options
author | David S. Miller <davem@davemloft.net> | 2008-03-28 04:48:56 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2008-03-28 04:48:56 +0300 |
commit | 8e8e43843ba3ced0c657cbc0fdb10644ec60f772 (patch) | |
tree | e64954326ced9c365c52c256f01b5f9fb1bcae66 /net/ipv6/ndisc.c | |
parent | ed85f2c3b2b72bd20f617ac749f5c22be8d0f66e (diff) | |
parent | 50fd4407b8bfbde7c1a0bfe4f24de7df37164342 (diff) | |
download | linux-8e8e43843ba3ced0c657cbc0fdb10644ec60f772.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/usb/rndis_host.c
drivers/net/wireless/b43/dma.c
net/ipv6/ndisc.c
Diffstat (limited to 'net/ipv6/ndisc.c')
-rw-r--r-- | net/ipv6/ndisc.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index b4d8e331432e..e77b74edfd63 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -661,6 +661,20 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb) } } +static struct pneigh_entry *pndisc_check_router(struct net_device *dev, + struct in6_addr *addr, int *is_router) +{ + struct pneigh_entry *n; + + read_lock_bh(&nd_tbl.lock); + n = __pneigh_lookup(&nd_tbl, dev_net(dev), addr, dev); + if (n != NULL) + *is_router = (n->flags & NTF_ROUTER); + read_unlock_bh(&nd_tbl.lock); + + return n; +} + static void ndisc_recv_ns(struct sk_buff *skb) { struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb); @@ -677,7 +691,7 @@ static void ndisc_recv_ns(struct sk_buff *skb) struct pneigh_entry *pneigh = NULL; int dad = ipv6_addr_any(saddr); int inc; - int is_router; + int is_router = 0; if (ipv6_addr_is_multicast(&msg->target)) { ND_PRINTK2(KERN_WARNING @@ -776,8 +790,8 @@ static void ndisc_recv_ns(struct sk_buff *skb) if (ipv6_chk_acast_addr(dev_net(dev), dev, &msg->target) || (idev->cnf.forwarding && (ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) && - (pneigh = pneigh_lookup(&nd_tbl, dev_net(dev), - &msg->target, dev, 0)) != NULL)) { + (pneigh = pndisc_check_router(dev, &msg->target, + &is_router)) != NULL)) { if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) && skb->pkt_type != PACKET_HOST && inc != 0 && @@ -798,7 +812,7 @@ static void ndisc_recv_ns(struct sk_buff *skb) goto out; } - is_router = !!(pneigh ? pneigh->flags & NTF_ROUTER : idev->cnf.forwarding); + is_router = !!(pneigh ? is_router : idev->cnf.forwarding); if (dad) { struct in6_addr maddr; |