SUNRPC: Remove ->xpo_secure_port()

There's no need for the cost of this extra virtual function call
during every RPC transaction: the RQ_SECURE bit can be set properly
in ->xpo_recvfrom() instead.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

include/linux/sunrpc/svc_xprt.h

@@ -26,7 +26,6 @@ struct svc_xprt_ops {
 	void		(*xpo_release_rqst)(struct svc_rqst *);
 	void		(*xpo_detach)(struct svc_xprt *);
 	void		(*xpo_free)(struct svc_xprt *);
-	void		(*xpo_secure_port)(struct svc_rqst *rqstp);
 	void		(*xpo_kill_temp_xprt)(struct svc_xprt *);
 	void		(*xpo_start_tls)(struct svc_xprt *);
 };

net/sunrpc/svc_xprt.c

@@ -886,7 +886,6 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 
 	clear_bit(XPT_OLD, &xprt->xpt_flags);
 
-	xprt->xpt_ops->xpo_secure_port(rqstp);
 	rqstp->rq_chandle.defer = svc_defer;
 
 	if (serv->sv_stats)

net/sunrpc/svcsock.c

@@ -508,6 +508,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
 	if (serv->sv_stats)
 		serv->sv_stats->netudpcnt++;
 
+	svc_sock_secure_port(rqstp);
 	svc_xprt_received(rqstp->rq_xprt);
 	return len;
 
@@ -636,7 +637,6 @@ static const struct svc_xprt_ops svc_udp_ops = {
 	.xpo_free = svc_sock_free,
 	.xpo_has_wspace = svc_udp_has_wspace,
 	.xpo_accept = svc_udp_accept,
-	.xpo_secure_port = svc_sock_secure_port,
 	.xpo_kill_temp_xprt = svc_udp_kill_temp_xprt,
 };
 
@@ -1028,6 +1028,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
 	if (serv->sv_stats)
 		serv->sv_stats->nettcpcnt++;
 
+	svc_sock_secure_port(rqstp);
 	svc_xprt_received(rqstp->rq_xprt);
 	return rqstp->rq_arg.len;
 
@@ -1209,7 +1210,6 @@ static const struct svc_xprt_ops svc_tcp_ops = {
 	.xpo_free = svc_sock_free,
 	.xpo_has_wspace = svc_tcp_has_wspace,
 	.xpo_accept = svc_tcp_accept,
-	.xpo_secure_port = svc_sock_secure_port,
 	.xpo_kill_temp_xprt = svc_tcp_kill_temp_xprt,
 };
 

net/sunrpc/xprtrdma/svc_rdma_recvfrom.c

@@ -847,6 +847,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
 	rqstp->rq_xprt_ctxt = ctxt;
 	rqstp->rq_prot = IPPROTO_MAX;
 	svc_xprt_copy_addrs(rqstp, xprt);
+	set_bit(RQ_SECURE, &rqstp->rq_flags);
 	return rqstp->rq_arg.len;
 
 out_err:

net/sunrpc/xprtrdma/svc_rdma_transport.c

@@ -73,7 +73,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt);
 static void svc_rdma_detach(struct svc_xprt *xprt);
 static void svc_rdma_free(struct svc_xprt *xprt);
 static int svc_rdma_has_wspace(struct svc_xprt *xprt);
-static void svc_rdma_secure_port(struct svc_rqst *);
 static void svc_rdma_kill_temp_xprt(struct svc_xprt *);
 
 static const struct svc_xprt_ops svc_rdma_ops = {
@@ -86,7 +85,6 @@ static const struct svc_xprt_ops svc_rdma_ops = {
 	.xpo_free = svc_rdma_free,
 	.xpo_has_wspace = svc_rdma_has_wspace,
 	.xpo_accept = svc_rdma_accept,
-	.xpo_secure_port = svc_rdma_secure_port,
 	.xpo_kill_temp_xprt = svc_rdma_kill_temp_xprt,
 };
 
@@ -600,11 +598,6 @@ static int svc_rdma_has_wspace(struct svc_xprt *xprt)
 	return 1;
 }
 
-static void svc_rdma_secure_port(struct svc_rqst *rqstp)
-{
-	set_bit(RQ_SECURE, &rqstp->rq_flags);
-}
-
 static void svc_rdma_kill_temp_xprt(struct svc_xprt *xprt)
 {
 }