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path: root/net/sunrpc/xprtrdma/transport.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/transport.c')
-rw-r--r--net/sunrpc/xprtrdma/transport.c61
1 files changed, 45 insertions, 16 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 2e192baa59f3..54f23b1be986 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -157,12 +157,47 @@ static struct ctl_table sunrpc_table[] = {
static struct rpc_xprt_ops xprt_rdma_procs; /* forward reference */
static void
+xprt_rdma_format_addresses4(struct rpc_xprt *xprt, struct sockaddr *sap)
+{
+ struct sockaddr_in *sin = (struct sockaddr_in *)sap;
+ char buf[20];
+
+ snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
+ xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
+
+ xprt->address_strings[RPC_DISPLAY_NETID] = RPCBIND_NETID_RDMA;
+}
+
+static void
+xprt_rdma_format_addresses6(struct rpc_xprt *xprt, struct sockaddr *sap)
+{
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
+ char buf[40];
+
+ snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
+ xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
+
+ xprt->address_strings[RPC_DISPLAY_NETID] = RPCBIND_NETID_RDMA6;
+}
+
+static void
xprt_rdma_format_addresses(struct rpc_xprt *xprt)
{
struct sockaddr *sap = (struct sockaddr *)
&rpcx_to_rdmad(xprt).addr;
- struct sockaddr_in *sin = (struct sockaddr_in *)sap;
- char buf[64];
+ char buf[128];
+
+ switch (sap->sa_family) {
+ case AF_INET:
+ xprt_rdma_format_addresses4(xprt, sap);
+ break;
+ case AF_INET6:
+ xprt_rdma_format_addresses6(xprt, sap);
+ break;
+ default:
+ pr_err("rpcrdma: Unrecognized address family\n");
+ return;
+ }
(void)rpc_ntop(sap, buf, sizeof(buf));
xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
@@ -170,16 +205,10 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)
snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
- xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
-
- snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
- xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
-
snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
- /* netid */
- xprt->address_strings[RPC_DISPLAY_NETID] = "rdma";
+ xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
}
static void
@@ -377,7 +406,10 @@ xprt_setup_rdma(struct xprt_create *args)
xprt_rdma_connect_worker);
xprt_rdma_format_addresses(xprt);
- xprt->max_payload = rpcrdma_max_payload(new_xprt);
+ xprt->max_payload = new_xprt->rx_ia.ri_ops->ro_maxpages(new_xprt);
+ if (xprt->max_payload == 0)
+ goto out4;
+ xprt->max_payload <<= PAGE_SHIFT;
dprintk("RPC: %s: transport data payload maximum: %zu bytes\n",
__func__, xprt->max_payload);
@@ -552,8 +584,8 @@ xprt_rdma_free(void *buffer)
for (i = 0; req->rl_nchunks;) {
--req->rl_nchunks;
- i += rpcrdma_deregister_external(
- &req->rl_segments[i], r_xprt);
+ i += r_xprt->rx_ia.ri_ops->ro_unmap(r_xprt,
+ &req->rl_segments[i]);
}
rpcrdma_buffer_put(req);
@@ -579,10 +611,7 @@ xprt_rdma_send_request(struct rpc_task *task)
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
int rc = 0;
- if (req->rl_niovs == 0)
- rc = rpcrdma_marshal_req(rqst);
- else if (r_xprt->rx_ia.ri_memreg_strategy != RPCRDMA_ALLPHYSICAL)
- rc = rpcrdma_marshal_chunks(rqst, 0);
+ rc = rpcrdma_marshal_req(rqst);
if (rc < 0)
goto failed_marshal;