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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>
steinar/wifi_calib_4_9_kernel
Chuck Lever 2015-08-03 13:02:41 -04:00 committed by Anna Schumaker
parent 74d33293e4
commit 5231eb9773
1 changed files with 11 additions and 17 deletions
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28
net/sunrpc/xprtrdma/transport.c
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@ -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: