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authorChuck Lever2007-08-06 11:57:53 -0400
committerTrond Myklebust2007-10-09 17:16:21 -0400
commit8f9d5b1a2e717fb9e0c4d2c60a224ecce905bd23 (patch)
treeb72df915b34688c3b20b7b622b1eb738852259f6 /net/sunrpc
parent68e220bd5c9fc52d8029275cd42e08f573ce3600 (diff)
SUNRPC: Add IPv6 address support to net/sunrpc/xprtsock.c
Finalize support for setting up RPC client transports to remote RPC services addressed via IPv6. Based on work done by Gilles Quillard at Bull Open Source. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtsock.c57
1 files changed, 47 insertions, 10 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index cc4db1763aa4..d9e65765f6c4 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -13,6 +13,9 @@
* (C) 1999 Trond Myklebust <trond.myklebust@fys.uio.no>
*
* IP socket transport implementation, (C) 2005 Chuck Lever <cel@netapp.com>
+ *
+ * IPv6 support contributed by Gilles Quillard, Bull Open Source, 2005.
+ * <gilles.quillard@bull.net>
*/
#include <linux/types.h>
@@ -1780,6 +1783,7 @@ static struct rpc_xprt *xs_setup_xprt(struct rpc_xprtsock_create *args, unsigned
*/
struct rpc_xprt *xs_setup_udp(struct rpc_xprtsock_create *args)
{
+ struct sockaddr *addr = args->dstaddr;
struct rpc_xprt *xprt;
struct sock_xprt *transport;
@@ -1788,15 +1792,11 @@ struct rpc_xprt *xs_setup_udp(struct rpc_xprtsock_create *args)
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
- if (ntohs(((struct sockaddr_in *)args->dstaddr)->sin_port) != 0)
- xprt_set_bound(xprt);
-
xprt->prot = IPPROTO_UDP;
xprt->tsh_size = 0;
/* XXX: header size can vary due to auth type, IPv6, etc. */
xprt->max_payload = (1U << 16) - (MAX_HEADER << 3);
- INIT_DELAYED_WORK(&transport->connect_worker, xs_udp_connect_worker4);
xprt->bind_timeout = XS_BIND_TO;
xprt->connect_timeout = XS_UDP_CONN_TO;
xprt->reestablish_timeout = XS_UDP_REEST_TO;
@@ -1809,7 +1809,28 @@ struct rpc_xprt *xs_setup_udp(struct rpc_xprtsock_create *args)
else
xprt_set_timeout(&xprt->timeout, 5, 5 * HZ);
- xs_format_ipv4_peer_addresses(xprt);
+ switch (addr->sa_family) {
+ case AF_INET:
+ if (((struct sockaddr_in *)addr)->sin_port != htons(0))
+ xprt_set_bound(xprt);
+
+ INIT_DELAYED_WORK(&transport->connect_worker,
+ xs_udp_connect_worker4);
+ xs_format_ipv4_peer_addresses(xprt);
+ break;
+ case AF_INET6:
+ if (((struct sockaddr_in6 *)addr)->sin6_port != htons(0))
+ xprt_set_bound(xprt);
+
+ INIT_DELAYED_WORK(&transport->connect_worker,
+ xs_udp_connect_worker6);
+ xs_format_ipv6_peer_addresses(xprt);
+ break;
+ default:
+ kfree(xprt);
+ return ERR_PTR(-EAFNOSUPPORT);
+ }
+
dprintk("RPC: set up transport to address %s\n",
xprt->address_strings[RPC_DISPLAY_ALL]);
@@ -1823,6 +1844,7 @@ struct rpc_xprt *xs_setup_udp(struct rpc_xprtsock_create *args)
*/
struct rpc_xprt *xs_setup_tcp(struct rpc_xprtsock_create *args)
{
+ struct sockaddr *addr = args->dstaddr;
struct rpc_xprt *xprt;
struct sock_xprt *transport;
@@ -1831,14 +1853,10 @@ struct rpc_xprt *xs_setup_tcp(struct rpc_xprtsock_create *args)
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
- if (ntohs(((struct sockaddr_in *)args->dstaddr)->sin_port) != 0)
- xprt_set_bound(xprt);
-
xprt->prot = IPPROTO_TCP;
xprt->tsh_size = sizeof(rpc_fraghdr) / sizeof(u32);
xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
- INIT_DELAYED_WORK(&transport->connect_worker, xs_tcp_connect_worker4);
xprt->bind_timeout = XS_BIND_TO;
xprt->connect_timeout = XS_TCP_CONN_TO;
xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
@@ -1851,7 +1869,26 @@ struct rpc_xprt *xs_setup_tcp(struct rpc_xprtsock_create *args)
else
xprt_set_timeout(&xprt->timeout, 2, 60 * HZ);
- xs_format_ipv4_peer_addresses(xprt);
+ switch (addr->sa_family) {
+ case AF_INET:
+ if (((struct sockaddr_in *)addr)->sin_port != htons(0))
+ xprt_set_bound(xprt);
+
+ INIT_DELAYED_WORK(&transport->connect_worker, xs_tcp_connect_worker4);
+ xs_format_ipv4_peer_addresses(xprt);
+ break;
+ case AF_INET6:
+ if (((struct sockaddr_in6 *)addr)->sin6_port != htons(0))
+ xprt_set_bound(xprt);
+
+ INIT_DELAYED_WORK(&transport->connect_worker, xs_tcp_connect_worker6);
+ xs_format_ipv6_peer_addresses(xprt);
+ break;
+ default:
+ kfree(xprt);
+ return ERR_PTR(-EAFNOSUPPORT);
+ }
+
dprintk("RPC: set up transport to address %s\n",
xprt->address_strings[RPC_DISPLAY_ALL]);