From 52404881984e2d447f920a23e3bb63262dfc77f3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Wed, 3 Dec 2008 15:42:56 -0800 Subject: Phonet: basic net namespace support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- net/phonet/socket.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'net/phonet/socket.c') diff --git a/net/phonet/socket.c b/net/phonet/socket.c index d817401..c75aa5c 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -57,7 +57,7 @@ static struct { * Find address based on socket address, match only certain fields. * Also grab sock if it was found. Remember to sock_put it later. */ -struct sock *pn_find_sock_by_sa(const struct sockaddr_pn *spn) +struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn) { struct hlist_node *node; struct sock *sknode; @@ -71,6 +71,8 @@ struct sock *pn_find_sock_by_sa(const struct sockaddr_pn *spn) struct pn_sock *pn = pn_sk(sknode); BUG_ON(!pn->sobject); /* unbound socket */ + if (!net_eq(sock_net(sknode), net)) + continue; if (pn_port(obj)) { /* Look up socket by port */ if (pn_port(pn->sobject) != pn_port(obj)) @@ -130,7 +132,7 @@ static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len) handle = pn_sockaddr_get_object((struct sockaddr_pn *)addr); saddr = pn_addr(handle); - if (saddr && phonet_address_lookup(saddr)) + if (saddr && phonet_address_lookup(sock_net(sk), saddr)) return -EADDRNOTAVAIL; lock_sock(sk); @@ -361,6 +363,7 @@ static DEFINE_MUTEX(port_mutex); int pn_sock_get_port(struct sock *sk, unsigned short sport) { static int port_cur; + struct net *net = sock_net(sk); struct pn_sock *pn = pn_sk(sk); struct sockaddr_pn try_sa; struct sock *tmpsk; @@ -381,7 +384,7 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport) port_cur = pmin; pn_sockaddr_set_port(&try_sa, port_cur); - tmpsk = pn_find_sock_by_sa(&try_sa); + tmpsk = pn_find_sock_by_sa(net, &try_sa); if (tmpsk == NULL) { sport = port_cur; goto found; @@ -391,7 +394,7 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport) } else { /* try to find specific port */ pn_sockaddr_set_port(&try_sa, sport); - tmpsk = pn_find_sock_by_sa(&try_sa); + tmpsk = pn_find_sock_by_sa(net, &try_sa); if (tmpsk == NULL) /* No sock there! We can use that port... */ goto found; -- cgit v1.1 From be677730a0ccb6bedced6f65f2ba8f57a3c607ba Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Wed, 17 Dec 2008 15:48:31 -0800 Subject: Phonet: use atomic for packet TX window MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GPRS TX flow control won't need to lock the underlying socket anymore. Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- net/phonet/socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/phonet/socket.c') diff --git a/net/phonet/socket.c b/net/phonet/socket.c index c75aa5c..ada2a35 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -227,7 +227,7 @@ static unsigned int pn_socket_poll(struct file *file, struct socket *sock, if (!mask && sk->sk_state == TCP_CLOSE_WAIT) return POLLHUP; - if (sk->sk_state == TCP_ESTABLISHED && pn->tx_credits) + if (sk->sk_state == TCP_ESTABLISHED && atomic_read(&pn->tx_credits)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; return mask; -- cgit v1.1