aboutsummaryrefslogtreecommitdiffstats
path: root/net/phonet
diff options
context:
space:
mode:
authorRémi Denis-Courmont <remi.denis-courmont@nokia.com>2009-10-14 00:48:27 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-14 15:04:15 -0700
commitf14001fcd7bd03983c872810a3b11af4148bae72 (patch)
tree11b283fe73d751f584d34b684fbfcb077c37f096 /net/phonet
parent67ca0e5fa884f483d655ef19f22ad8509138dd3e (diff)
Phonet: deliver broadcast packets to broadcast sockets
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/af_phonet.c6
-rw-r--r--net/phonet/socket.c21
2 files changed, 27 insertions, 0 deletions
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index c711d58b4bb5..b113fe00c154 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -369,6 +369,12 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
pn_skb_get_dst_sockaddr(skb, &sa);
+ /* check if this is broadcasted */
+ if (pn_sockaddr_get_addr(&sa) == PNADDR_BROADCAST) {
+ pn_deliver_sock_broadcast(net, skb);
+ goto out;
+ }
+
/* check if we are the destination */
if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
/* Phonet packet input */
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index aa5b5a972bff..8c84190f22de 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -94,7 +94,28 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
spin_unlock_bh(&pnsocks.lock);
return rval;
+}
+
+/* Deliver a broadcast packet (only in bottom-half) */
+void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb)
+{
+ struct hlist_node *node;
+ struct sock *sknode;
+
+ spin_lock(&pnsocks.lock);
+ sk_for_each(sknode, node, &pnsocks.hlist) {
+ struct sk_buff *clone;
+
+ if (!net_eq(sock_net(sknode), net))
+ continue;
+ if (!sock_flag(sknode, SOCK_BROADCAST))
+ continue;
+ clone = skb_clone(skb, GFP_ATOMIC);
+ if (clone)
+ sk_receive_skb(sknode, clone, 0);
+ }
+ spin_unlock(&pnsocks.lock);
}
void pn_sock_hash(struct sock *sk)

Privacy Policy