From a8059512b120362b15424f152b2548fe8b11bd0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Thu, 24 Feb 2011 23:14:57 +0000
Subject: [PATCH] Phonet: implement per-socket destination/peer address
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/net/phonet/phonet.h | 1 +
net/phonet/af_phonet.c | 19 ++++++++++++++-----
net/phonet/socket.c | 4 ++--
3 files changed, 17 insertions(+), 7 deletions(-)
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index 5395e09187df..68e509750caa 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -36,6 +36,7 @@
struct pn_sock {
struct sock sk;
u16 sobject;
+ u16 dobject;
u8 resource;
};
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 1072b2c19d31..30cc676c35fd 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -110,6 +110,7 @@ static int pn_socket_create(struct net *net, struct socket *sock, int protocol,
sk->sk_protocol = protocol;
pn = pn_sk(sk);
pn->sobject = 0;
+ pn->dobject = 0;
pn->resource = 0;
sk->sk_prot->init(sk);
err = 0;
@@ -242,8 +243,18 @@ int pn_skb_send(struct sock *sk, struct sk_buff *skb,
struct net_device *dev;
struct pn_sock *pn = pn_sk(sk);
int err;
- u16 src;
- u8 daddr = pn_sockaddr_get_addr(target), saddr = PN_NO_ADDR;
+ u16 src, dst;
+ u8 daddr, saddr, res;
+
+ src = pn->sobject;
+ if (target != NULL) {
+ dst = pn_sockaddr_get_object(target);
+ res = pn_sockaddr_get_resource(target);
+ } else {
+ dst = pn->dobject;
+ res = pn->resource;
+ }
+ daddr = pn_addr(dst);
err = -EHOSTUNREACH;
if (sk->sk_bound_dev_if)
@@ -271,12 +282,10 @@ int pn_skb_send(struct sock *sk, struct sk_buff *skb,
if (saddr == PN_NO_ADDR)
goto drop;
- src = pn->sobject;
if (!pn_addr(src))
src = pn_object(saddr, pn_obj(src));
- err = pn_send(skb, dev, pn_sockaddr_get_object(target),
- src, pn_sockaddr_get_resource(target), 0);
+ err = pn_send(skb, dev, dst, src, res, 0);
dev_put(dev);
return err;
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index ceb5143f5ef9..65a03338769e 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -633,8 +633,8 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, "%2d %04X:%04X:%02X %02X %08X:%08X %5d %lu "
"%d %p %d%n",
- sk->sk_protocol, pn->sobject, 0, pn->resource,
- sk->sk_state,
+ sk->sk_protocol, pn->sobject, pn->dobject,
+ pn->resource, sk->sk_state,
sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
sock_i_uid(sk), sock_i_ino(sk),
atomic_read(&sk->sk_refcnt), sk,
--
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