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authorRémi Denis-Courmont <remi.denis-courmont@nokia.com>2010-09-15 12:30:13 +0000
committerDavid S. Miller <davem@davemloft.net>2010-09-15 21:31:33 -0700
commitb6a563b2af4ec5b0363cf89869ba234c0e2cd3da (patch)
treede4a7c16d3dc1efb93401b1862a94b7777f66523 /net
parent7417fa83c1a8b75a03bd9b9b358999f38e771eab (diff)
downloadlinux-b6a563b2af4ec5b0363cf89869ba234c0e2cd3da.tar.bz2
Phonet: look up the resource routing table when forwarding
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/phonet/af_phonet.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 73aee7f2fcdc..fd95beb72f5d 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -251,6 +251,16 @@ int pn_skb_send(struct sock *sk, struct sk_buff *skb,
else if (phonet_address_lookup(net, daddr) == 0) {
dev = phonet_device_get(net);
skb->pkt_type = PACKET_LOOPBACK;
+ } else if (pn_sockaddr_get_object(target) == 0) {
+ /* Resource routing (small race until phonet_rcv()) */
+ struct sock *sk = pn_find_sock_by_res(net,
+ target->spn_resource);
+ if (sk) {
+ sock_put(sk);
+ dev = phonet_device_get(net);
+ skb->pkt_type = PACKET_LOOPBACK;
+ } else
+ dev = phonet_route_output(net, daddr);
} else
dev = phonet_route_output(net, daddr);
@@ -383,6 +393,13 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
goto out;
}
+ /* resource routing */
+ if (pn_sockaddr_get_object(&sa) == 0) {
+ struct sock *sk = pn_find_sock_by_res(net, sa.spn_resource);
+ if (sk)
+ return sk_receive_skb(sk, skb, 0);
+ }
+
/* check if we are the destination */
if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
/* Phonet packet input */