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

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From: Rémi Denis-Courmont
Date: Tuesday, September 16, 2008 - 8:08 am

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

Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@nokia.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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Messages in current thread:
[PATCH 00/14] [RFC] Phonet protocol stack, Rémi, (Tue Sep 16, 7:57 am)
[PATCH 01/14] Phonet global definitions, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 02/14] Phonet: add CONFIG_PHONET, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 03/14] Phonet: build the net/phonet/ directory, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 04/14] Phonet: PF_PHONET protocol family support, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 05/14] Phonet: network device and address handling, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 06/14] Phonet: Netlink interface, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 07/14] Phonet: common socket glue, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 08/14] Phonet: receive path socket lookup, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 09/14] Phonet: allocate and initialize new sockets, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 10/14] Phonet: Phonet datagram transport protocol, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 11/14] Phonet: provide MAC header operations, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 12/14] Phonet: proc interface for port range, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 13/14] Phonet: emit errors when a packet cannot be ..., Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
[PATCH 14/14] Phonet: kernel documentation, Rémi Denis-Courmont, (Tue Sep 16, 8:08 am)
Re: [PATCH 02/14] Phonet: add CONFIG_PHONET, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:06 am)
Re: [PATCH 03/14] Phonet: build the net/phonet/ directory, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:06 am)
Re: [PATCH 04/14] Phonet: PF_PHONET protocol family support, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:17 am)
Re: [PATCH 05/14] Phonet: network device and address handling, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:41 am)
Re: [PATCH 07/14] Phonet: common socket glue, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:50 am)
Re: [PATCH 08/14] Phonet: receive path socket lookup, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:52 am)
Re: [PATCH 09/14] Phonet: allocate and initialize new sockets, Arnaldo Carvalho de Melo, (Tue Sep 16, 9:53 am)
Re: [PATCH 10/14] Phonet: Phonet datagram transport protocol, Arnaldo Carvalho de Melo, (Tue Sep 16, 10:06 am)
Re: [PATCH 13/14] Phonet: emit errors when a packet cannot ..., Arnaldo Carvalho de Melo, (Tue Sep 16, 10:11 am)
Re: [PATCH 09/14] Phonet: allocate and initialize new sockets, Pavel Emelyanov, (Tue Sep 16, 11:42 am)
Re: [PATCH 00/14] [RFC] Phonet protocol stack, Marcel Holtmann, (Tue Sep 16, 1:09 pm)
Re: [PATCH 00/14] [RFC] Phonet protocol stack, Dan Williams, (Tue Sep 16, 9:15 pm)
Re: [PATCH 01/14] Phonet global definitions, Simon Horman, (Tue Sep 16, 9:31 pm)
Re: [PATCH 01/14] Phonet global definitions, Rémi, (Wed Sep 17, 4:05 am)
Re: [PATCH 00/14] [RFC] Phonet protocol stack, Rémi, (Wed Sep 17, 6:52 am)
Re: [PATCH 00/14] [RFC] Phonet protocol stack, Rémi, (Fri Sep 19, 12:25 am)
[PATCH]: net: Use hton[sl]() was Re: [PATCH 10/14] Phonet: ..., Arnaldo Carvalho de Melo, (Fri Sep 19, 8:24 am)