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authorChuck Lever <chuck.lever@oracle.com>2015-08-03 13:02:41 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-08-05 16:21:26 -0400
commit5231eb9773c61a2a17590eabcadf4aecf44100bd (patch)
tree824c396307b3b3b87102195b5c0ff52f67767dbe
parent74d33293e467df61de1b1d8b2fbe29e550dec33b (diff)
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xprtrdma: Make xprt_setup_rdma() agnostic to family of server address
In particular, recognize when an IPv6 connection is bound. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--net/sunrpc/xprtrdma/transport.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 680f888a9ddd..d737300ebc42 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -175,10 +175,8 @@ xprt_rdma_format_addresses6(struct rpc_xprt *xprt, struct sockaddr *sap)
}
static void
-xprt_rdma_format_addresses(struct rpc_xprt *xprt)
+xprt_rdma_format_addresses(struct rpc_xprt *xprt, struct sockaddr *sap)
{
- struct sockaddr *sap = (struct sockaddr *)
- &rpcx_to_rdmad(xprt).addr;
char buf[128];
switch (sap->sa_family) {
@@ -302,7 +300,7 @@ xprt_setup_rdma(struct xprt_create *args)
struct rpc_xprt *xprt;
struct rpcrdma_xprt *new_xprt;
struct rpcrdma_ep *new_ep;
- struct sockaddr_in *sin;
+ struct sockaddr *sap;
int rc;
if (args->addrlen > sizeof(xprt->addr)) {
@@ -333,26 +331,20 @@ xprt_setup_rdma(struct xprt_create *args)
* Set up RDMA-specific connect data.
*/
- /* Put server RDMA address in local cdata */
- memcpy(&cdata.addr, args->dstaddr, args->addrlen);
+ sap = (struct sockaddr *)&cdata.addr;
+ memcpy(sap, args->dstaddr, args->addrlen);
/* Ensure xprt->addr holds valid server TCP (not RDMA)
* address, for any side protocols which peek at it */
xprt->prot = IPPROTO_TCP;
xprt->addrlen = args->addrlen;
- memcpy(&xprt->addr, &cdata.addr, xprt->addrlen);
+ memcpy(&xprt->addr, sap, xprt->addrlen);
- sin = (struct sockaddr_in *)&cdata.addr;
- if (ntohs(sin->sin_port) != 0)
+ if (rpc_get_port(sap))
xprt_set_bound(xprt);
- dprintk("RPC: %s: %pI4:%u\n",
- __func__, &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-
- /* Set max requests */
cdata.max_requests = xprt->max_reqs;
- /* Set some length limits */
cdata.rsize = RPCRDMA_MAX_SEGS * PAGE_SIZE; /* RDMA write max */
cdata.wsize = RPCRDMA_MAX_SEGS * PAGE_SIZE; /* RDMA read max */
@@ -375,8 +367,7 @@ xprt_setup_rdma(struct xprt_create *args)
new_xprt = rpcx_to_rdmax(xprt);
- rc = rpcrdma_ia_open(new_xprt, (struct sockaddr *) &cdata.addr,
- xprt_rdma_memreg_strategy);
+ rc = rpcrdma_ia_open(new_xprt, sap, xprt_rdma_memreg_strategy);
if (rc)
goto out1;
@@ -409,7 +400,7 @@ xprt_setup_rdma(struct xprt_create *args)
INIT_DELAYED_WORK(&new_xprt->rx_connect_worker,
xprt_rdma_connect_worker);
- xprt_rdma_format_addresses(xprt);
+ xprt_rdma_format_addresses(xprt, sap);
xprt->max_payload = new_xprt->rx_ia.ri_ops->ro_maxpages(new_xprt);
if (xprt->max_payload == 0)
goto out4;
@@ -420,6 +411,9 @@ xprt_setup_rdma(struct xprt_create *args)
if (!try_module_get(THIS_MODULE))
goto out4;
+ dprintk("RPC: %s: %s:%s\n", __func__,
+ xprt->address_strings[RPC_DISPLAY_ADDR],
+ xprt->address_strings[RPC_DISPLAY_PORT]);
return xprt;
out4: