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authorPavel Emelyanov <xemul@parallels.com>2010-10-05 15:53:08 +0400
committerJ. Bruce Fields <bfields@redhat.com>2010-10-19 10:48:15 -0400
commitbeb59b68280d9779cc16591115547678d1c74a66 (patch)
tree12e6bd18bba78f67793d6a99522705f2e9e72d77 /net/sunrpc
parent573018c07e040b2c3f3cb8251f66fa4a5cb7425d (diff)
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sunrpc: Merge the xs_bind code
There's the only difference betseen the xs_bind4 and the xs_bind6 - the size of sockaddr structure they use. Fortunatelly its size can be indirectly get from the transport. Change since v1: * use sockaddr_storage instead of sockaddr * use rpc_set_port instead of manual port assigning Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> [bfields@redhat.com: fix address family initialization] Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtsock.c66
1 files changed, 19 insertions, 47 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7fdf2bb956a9..fc1e76788120 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1534,23 +1534,18 @@ static unsigned short xs_next_srcport(struct sock_xprt *transport, unsigned shor
return xprt_max_resvport;
return --port;
}
-
-static int xs_bind4(struct sock_xprt *transport, struct socket *sock)
+static int xs_bind(struct sock_xprt *transport, struct socket *sock)
{
- struct sockaddr_in myaddr = {
- .sin_family = AF_INET,
- };
- struct sockaddr_in *sa;
+ struct sockaddr_storage myaddr;
int err, nloop = 0;
unsigned short port = xs_get_srcport(transport);
unsigned short last;
- sa = (struct sockaddr_in *)&transport->srcaddr;
- myaddr.sin_addr = sa->sin_addr;
+ memcpy(&myaddr, &transport->srcaddr, transport->xprt.addrlen);
do {
- myaddr.sin_port = htons(port);
- err = kernel_bind(sock, (struct sockaddr *) &myaddr,
- sizeof(myaddr));
+ rpc_set_port((struct sockaddr *)&myaddr, port);
+ err = kernel_bind(sock, (struct sockaddr *)&myaddr,
+ transport->xprt.addrlen);
if (port == 0)
break;
if (err == 0) {
@@ -1562,44 +1557,19 @@ static int xs_bind4(struct sock_xprt *transport, struct socket *sock)
if (port > last)
nloop++;
} while (err == -EADDRINUSE && nloop != 2);
- dprintk("RPC: %s %pI4:%u: %s (%d)\n",
- __func__, &myaddr.sin_addr,
- port, err ? "failed" : "ok", err);
- return err;
-}
-
-static int xs_bind6(struct sock_xprt *transport, struct socket *sock)
-{
- struct sockaddr_in6 myaddr = {
- .sin6_family = AF_INET6,
- };
- struct sockaddr_in6 *sa;
- int err, nloop = 0;
- unsigned short port = xs_get_srcport(transport);
- unsigned short last;
- sa = (struct sockaddr_in6 *)&transport->srcaddr;
- myaddr.sin6_addr = sa->sin6_addr;
- do {
- myaddr.sin6_port = htons(port);
- err = kernel_bind(sock, (struct sockaddr *) &myaddr,
- sizeof(myaddr));
- if (port == 0)
- break;
- if (err == 0) {
- transport->srcport = port;
- break;
- }
- last = port;
- port = xs_next_srcport(transport, port);
- if (port > last)
- nloop++;
- } while (err == -EADDRINUSE && nloop != 2);
- dprintk("RPC: xs_bind6 %pI6:%u: %s (%d)\n",
- &myaddr.sin6_addr, port, err ? "failed" : "ok", err);
+ if (myaddr.ss_family == PF_INET)
+ dprintk("RPC: %s %pI4:%u: %s (%d)\n", __func__,
+ &((struct sockaddr_in *)&myaddr)->sin_addr,
+ port, err ? "failed" : "ok", err);
+ else
+ dprintk("RPC: %s %pI6:%u: %s (%d)\n", __func__,
+ &((struct sockaddr_in6 *)&myaddr)->sin6_addr,
+ port, err ? "failed" : "ok", err);
return err;
}
+
#ifdef CONFIG_DEBUG_LOCK_ALLOC
static struct lock_class_key xs_key[2];
static struct lock_class_key xs_slock_key[2];
@@ -1643,9 +1613,10 @@ static struct socket *xs_create_sock4(struct rpc_xprt *xprt,
protocol, -err);
goto out;
}
+ transport->srcaddr.ss_family = AF_INET;
xs_reclassify_socket4(sock);
- if (xs_bind4(transport, sock)) {
+ if (xs_bind(transport, sock)) {
sock_release(sock);
goto out;
}
@@ -1667,9 +1638,10 @@ static struct socket *xs_create_sock6(struct rpc_xprt *xprt,
protocol, -err);
goto out;
}
+ transport->srcaddr.ss_family = AF_INET6;
xs_reclassify_socket6(sock);
- if (xs_bind6(transport, sock)) {
+ if (xs_bind(transport, sock)) {
sock_release(sock);
goto out;
}