Phonet: implement per-socket destination/peer address
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index 5395e09..68e5097 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 1072b2c..30cc676 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -110,6 +110,7 @@
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 @@
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 @@
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 ceb5143..65a0333 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -633,8 +633,8 @@
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,