From 8f9d5b1a2e717fb9e0c4d2c60a224ecce905bd23 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 6 Aug 2007 11:57:53 -0400 Subject: [PATCH] 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 Cc: Aurelien Charbon Signed-off-by: Trond Myklebust --- net/sunrpc/xprtsock.c | 57 +++++++++++++++++++++++++++++++++++-------- 1 file changed, 47 insertions(+), 10 deletions(-) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index cc4db1763a..d9e65765f6 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -13,6 +13,9 @@ * (C) 1999 Trond Myklebust * * IP socket transport implementation, (C) 2005 Chuck Lever + * + * IPv6 support contributed by Gilles Quillard, Bull Open Source, 2005. + * */ #include @@ -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]); -- 2.39.5