diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2017-12-15 04:57:06 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-01-16 19:19:46 +0300 |
| commit | 20035edf3c349638a679cbc8e861d81fbc104b53 (patch) | |
| tree | 0787be1da1d9264f036ac2e1ef047b9801667018 /net/sunrpc/xprtrdma | |
| parent | dd229cee4ed2617ccddc0937608728cd87c934c2 (diff) | |
| download | linux-20035edf3c349638a679cbc8e861d81fbc104b53.tar.xz | |
xprtrdma: Support IPv6 in xprt_rdma_set_port
Clean up a harmless oversight. xprtrdma's ->set_port method has
never properly supported IPv6.
This issue has never been a problem because NFS/RDMA mounts have
always required "port=20049", thus so far, rpcbind is not invoked
for these mounts.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 8ba0aa8c566f..cebcd027d085 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -474,14 +474,34 @@ xprt_rdma_close(struct rpc_xprt *xprt) rpcrdma_ep_disconnect(ep, ia); } +/** + * xprt_rdma_set_port - update server port with rpcbind result + * @xprt: controlling RPC transport + * @port: new port value + * + * Transport connect status is unchanged. + */ static void xprt_rdma_set_port(struct rpc_xprt *xprt, u16 port) { - struct sockaddr_in *sap; + struct sockaddr *sap = (struct sockaddr *)&xprt->addr; + char buf[8]; + + dprintk("RPC: %s: setting port for xprt %p (%s:%s) to %u\n", + __func__, xprt, + xprt->address_strings[RPC_DISPLAY_ADDR], + xprt->address_strings[RPC_DISPLAY_PORT], + port); + + rpc_set_port(sap, port); - sap = (struct sockaddr_in *)&xprt->addr; - sap->sin_port = htons(port); - dprintk("RPC: %s: %u\n", __func__, port); + kfree(xprt->address_strings[RPC_DISPLAY_PORT]); + snprintf(buf, sizeof(buf), "%u", port); + xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL); + + kfree(xprt->address_strings[RPC_DISPLAY_HEX_PORT]); + snprintf(buf, sizeof(buf), "%4hx", port); + xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL); } /** |