SUNRPC: export per-transport rpcbind netid's

The rpcbind (v3+) netid is provided by each RPC client transport. This fixes
an omission in IPv6 rpcbind client support, and enables future extension.

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 902a9c0..513b065 100644 (file)
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -56,6 +56,7 @@ enum rpc_display_format_t {
        RPC_DISPLAY_HEX_ADDR,
        RPC_DISPLAY_HEX_PORT,
        RPC_DISPLAY_UNIVERSAL_ADDR,
+       RPC_DISPLAY_NETID,
        RPC_DISPLAY_MAX,
 };
 

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index b028a0e..6f0af08 100644 (file)
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -388,8 +388,7 @@ void rpcb_getport_async(struct rpc_task *task)
        map->r_prot = xprt->prot;
        map->r_port = 0;
        map->r_xprt = xprt_get(xprt);
-       map->r_netid = (xprt->prot == IPPROTO_TCP) ? RPCBIND_NETID_TCP :
-                                                    RPCBIND_NETID_UDP;
+       map->r_netid = rpc_peeraddr2str(clnt, RPC_DISPLAY_NETID);
        memcpy(map->r_addr,
               rpc_peeraddr2str(rpcb_clnt, RPC_DISPLAY_UNIVERSAL_ADDR),
               sizeof(map->r_addr));

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7a154e4..5bdce8f 100644 (file)
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -337,6 +337,10 @@ static void xs_format_ipv4_peer_addresses(struct rpc_xprt *xprt)
                                ntohs(addr->sin_port) & 0xff);
        }
        xprt->address_strings[RPC_DISPLAY_UNIVERSAL_ADDR] = buf;
+
+       xprt->address_strings[RPC_DISPLAY_NETID] =
+               kstrdup(xprt->prot == IPPROTO_UDP ?
+                       RPCBIND_NETID_UDP : RPCBIND_NETID_TCP, GFP_KERNEL);
 }
 
 static void xs_format_ipv6_peer_addresses(struct rpc_xprt *xprt)
@@ -398,6 +402,10 @@ static void xs_format_ipv6_peer_addresses(struct rpc_xprt *xprt)
                                ntohs(addr->sin6_port) & 0xff);
        }
        xprt->address_strings[RPC_DISPLAY_UNIVERSAL_ADDR] = buf;
+
+       xprt->address_strings[RPC_DISPLAY_NETID] =
+               kstrdup(xprt->prot == IPPROTO_UDP ?
+                       RPCBIND_NETID_UDP6 : RPCBIND_NETID_TCP6, GFP_KERNEL);
 }
 
 static void xs_free_peer_addresses(struct rpc_xprt *xprt)