summaryrefslogtreecommitdiffstats
path: root/net/sunrpc/xprtsock.c
diff options
context:
space:
mode:
authorChuck Lever <cel@netapp.com>2006-01-03 09:55:51 +0100
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 14:58:56 -0500
commit922004120b10dcb0ce04b55014168e8a7a8c1a0e (patch)
tree4209bbd1043d9ddf09f2f277a65af758aa3631da /net/sunrpc/xprtsock.c
parent35f5a422ce1af836007f811b613c440d0e348e06 (diff)
downloadkernel-crypto-922004120b10dcb0ce04b55014168e8a7a8c1a0e.tar.gz
kernel-crypto-922004120b10dcb0ce04b55014168e8a7a8c1a0e.tar.xz
kernel-crypto-922004120b10dcb0ce04b55014168e8a7a8c1a0e.zip
SUNRPC: transport switch API for setting port number
At some point, transport endpoint addresses will no longer be IPv4. To hide the structure of the rpc_xprt's address field from ULPs and port mappers, add an API for setting the port number during an RPC bind operation. Test-plan: Destructive testing (unplugging the network temporarily). Connectathon with UDP and TCP. NFSv2/3 and NFSv4 mounting should be carefully checked. Probably need to rig a server where certain services aren't running, or that returns an error for some typical operation. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 51f07c9a751..3e889300147 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -921,6 +921,18 @@ static void xs_udp_timer(struct rpc_task *task)
xprt_adjust_cwnd(task, -ETIMEDOUT);
}
+/**
+ * xs_set_port - reset the port number in the remote endpoint address
+ * @xprt: generic transport
+ * @port: new port number
+ *
+ */
+static void xs_set_port(struct rpc_xprt *xprt, unsigned short port)
+{
+ dprintk("RPC: setting port for xprt %p to %u\n", xprt, port);
+ xprt->addr.sin_port = htons(port);
+}
+
static int xs_bindresvport(struct rpc_xprt *xprt, struct socket *sock)
{
struct sockaddr_in myaddr = {
@@ -1161,6 +1173,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
.set_buffer_size = xs_udp_set_buffer_size,
.reserve_xprt = xprt_reserve_xprt_cong,
.release_xprt = xprt_release_xprt_cong,
+ .set_port = xs_set_port,
.connect = xs_connect,
.buf_alloc = rpc_malloc,
.buf_free = rpc_free,
@@ -1175,6 +1188,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
static struct rpc_xprt_ops xs_tcp_ops = {
.reserve_xprt = xprt_reserve_xprt,
.release_xprt = xprt_release_xprt,
+ .set_port = xs_set_port,
.connect = xs_connect,
.buf_alloc = rpc_malloc,
.buf_free = rpc_free,