netdev - [PATCH 08/14] Phonet: receive path socket lookup

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Message-Id: <1221577694-4513-8-git-send-email-remi.denis-courmont@nokia.com>
Date:	Tue, 16 Sep 2008 18:08:08 +0300
From:	Rémi Denis-Courmont 
	<remi.denis-courmont@...ia.com>
To:	netdev@...r.kernel.org
Subject: [PATCH 08/14] Phonet: receive path socket lookup

This delivers received packet to the right socket, if any.

Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@...ia.com>
---
 include/net/phonet/phonet.h |    1 +
 net/phonet/af_phonet.c      |   13 ++++++++++++-
 2 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index e0fa080..8e7e42d 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -35,6 +35,7 @@
  */
 struct pn_sock {
 	struct sock	sk;
+	int		(*handler)(struct sock *, struct sk_buff *);
 	u16		sobject;
 	u8		resource;
 };
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 12c72e1..317f30c 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -96,7 +96,9 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
 			struct net_device *orig_dev)
 {
 	struct phonethdr *ph;
+	struct sock *sk;
 	struct sockaddr_pn sa;
+	int err;
 	u16 len;
 
 	if (dev_net(dev) != &init_net)
@@ -120,7 +122,15 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (pn_sockaddr_get_addr(&sa) == 0)
 		goto out; /* currently, we cannot be device 0 */
 
-	/* TODO: put packets to sockets backlog */
+	sk = pn_find_sock_by_sa(&sa);
+	if (sk == NULL)
+		goto out;
+
+	/* Push data to the socket (or other sockets connected to it). */
+	err = pn_sk(sk)->handler(sk, skb);
+	sock_put(sk);
+
+	return err ? NET_RX_DROP : NET_RX_SUCCESS;
 
 out:
 	kfree_skb(skb);
@@ -196,6 +206,7 @@ static int __init phonet_init(void)
 {
 	int err;
 
+	phonet_socket_init();
 	err = sock_register(&phonet_proto_family);
 	if (err) {
 		printk(KERN_ALERT
-- 
1.5.4.3

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