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Phonet: implement per-socket destination/peer address

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Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont 2011-02-24 23:14:57 +00:00 committed by David S. Miller
parent 96241544ca
commit a8059512b1
3 changed files with 17 additions and 7 deletions
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1
include/net/phonet/phonet.h
View File

@ -36,6 +36,7 @@
struct pn_sock {
struct sock sk;
u16 sobject;
u16 dobject;
u8 resource;
};

19
net/phonet/af_phonet.c
View File

@ -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;

4
net/phonet/socket.c
View File

@ -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,