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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[] = {
157static struct rpc_xprt_ops xprt_rdma_procs; /* forward reference */ 157static struct rpc_xprt_ops xprt_rdma_procs; /* forward reference */
158 158
159static void 159static void
160xprt_rdma_format_addresses4(struct rpc_xprt *xprt, struct sockaddr *sap)
161{
162 struct sockaddr_in *sin = (struct sockaddr_in *)sap;
163 char buf[20];
164
165 snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
166 xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
167
168 xprt->address_strings[RPC_DISPLAY_NETID] = RPCBIND_NETID_RDMA;
169}
170
171static void
172xprt_rdma_format_addresses6(struct rpc_xprt *xprt, struct sockaddr *sap)
173{
174 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
175 char buf[40];
176
177 snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
178 xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
179
180 xprt->address_strings[RPC_DISPLAY_NETID] = RPCBIND_NETID_RDMA6;
181}
182
183static void
160xprt_rdma_format_addresses(struct rpc_xprt *xprt) 184xprt_rdma_format_addresses(struct rpc_xprt *xprt)
161{ 185{
162 struct sockaddr *sap = (struct sockaddr *) 186 struct sockaddr *sap = (struct sockaddr *)
163 &rpcx_to_rdmad(xprt).addr; 187 &rpcx_to_rdmad(xprt).addr;
164 struct sockaddr_in *sin = (struct sockaddr_in *)sap; 188 char buf[128];
165 char buf[64]; 189
190 switch (sap->sa_family) {
191 case AF_INET:
192 xprt_rdma_format_addresses4(xprt, sap);
193 break;
194 case AF_INET6:
195 xprt_rdma_format_addresses6(xprt, sap);
196 break;
197 default:
198 pr_err("rpcrdma: Unrecognized address family\n");
199 return;
200 }
166 201
167 (void)rpc_ntop(sap, buf, sizeof(buf)); 202 (void)rpc_ntop(sap, buf, sizeof(buf));
168 xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL); 203 xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
@@ -170,16 +205,10 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)
170 snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap)); 205 snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
171 xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL); 206 xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
172 207
173 xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
174
175 snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
176 xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
177
178 snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap)); 208 snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
179 xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL); 209 xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
180 210
181 /* netid */ 211 xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
182 xprt->address_strings[RPC_DISPLAY_NETID] = "rdma";
183} 212}
184 213
185static void 214static void
@@ -377,7 +406,10 @@ xprt_setup_rdma(struct xprt_create *args)
377 xprt_rdma_connect_worker); 406 xprt_rdma_connect_worker);
378 407
379 xprt_rdma_format_addresses(xprt); 408 xprt_rdma_format_addresses(xprt);
380 xprt->max_payload = rpcrdma_max_payload(new_xprt); 409 xprt->max_payload = new_xprt->rx_ia.ri_ops->ro_maxpages(new_xprt);
410 if (xprt->max_payload == 0)
411 goto out4;
412 xprt->max_payload <<= PAGE_SHIFT;
381 dprintk("RPC: %s: transport data payload maximum: %zu bytes\n", 413 dprintk("RPC: %s: transport data payload maximum: %zu bytes\n",
382 __func__, xprt->max_payload); 414 __func__, xprt->max_payload);
383 415
@@ -552,8 +584,8 @@ xprt_rdma_free(void *buffer)
552 584
553 for (i = 0; req->rl_nchunks;) { 585 for (i = 0; req->rl_nchunks;) {
554 --req->rl_nchunks; 586 --req->rl_nchunks;
555 i += rpcrdma_deregister_external( 587 i += r_xprt->rx_ia.ri_ops->ro_unmap(r_xprt,
556 &req->rl_segments[i], r_xprt); 588 &req->rl_segments[i]);
557 } 589 }
558 590
559 rpcrdma_buffer_put(req); 591 rpcrdma_buffer_put(req);
@@ -579,10 +611,7 @@ xprt_rdma_send_request(struct rpc_task *task)
579 struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); 611 struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
580 int rc = 0; 612 int rc = 0;
581 613
582 if (req->rl_niovs == 0) 614 rc = rpcrdma_marshal_req(rqst);
583 rc = rpcrdma_marshal_req(rqst);
584 else if (r_xprt->rx_ia.ri_memreg_strategy != RPCRDMA_ALLPHYSICAL)
585 rc = rpcrdma_marshal_chunks(rqst, 0);
586 if (rc < 0) 615 if (rc < 0)
587 goto failed_marshal; 616 goto failed_marshal;
588 617