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svc: Make svc_sock the tcp/udp transport

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Make TCP and UDP svc_sock transports, and register them
with the svc transport core.

A transport type (svc_sock) has an svc_xprt as its first member,
and calls svc_xprt_init to initialize this field.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Tom Tucker 2007-12-30 21:07:17 -06:00 committed by J. Bruce Fields
parent 1d8206b97a
commit 360d873864
4 changed files with 38 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/sunrpc/debug.h
View File

@ -20,7 +20,6 @@
#define RPCDBG_BIND 0x0020
#define RPCDBG_SCHED 0x0040
#define RPCDBG_TRANS 0x0080
#define RPCDBG_SVCSOCK 0x0100
#define RPCDBG_SVCXPRT 0x0100
#define RPCDBG_SVCDSP 0x0200
#define RPCDBG_MISC 0x0400

4
include/linux/sunrpc/svcsock.h
View File

@ -10,11 +10,13 @@
#define SUNRPC_SVCSOCK_H
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/svc_xprt.h>
/*
* RPC server socket.
*/
struct svc_sock {
struct svc_xprt sk_xprt;
struct list_head sk_ready; /* list of ready sockets */
struct list_head sk_list; /* list of all sockets */
struct socket * sk_sock; /* berkeley socket layer */
@ -78,6 +80,8 @@ int svc_addsock(struct svc_serv *serv,
int fd,
char *name_return,
int *proto);
void svc_init_xprt_sock(void);
void svc_cleanup_xprt_sock(void);
/*
* svc_makesock socket characteristics

4
net/sunrpc/sunrpc_syms.c
View File

@ -85,7 +85,8 @@ init_sunrpc(void)
#endif
cache_register(&ip_map_cache);
cache_register(&unix_gid_cache);
init_socket_xprt();
svc_init_xprt_sock(); /* svc sock transport */
init_socket_xprt(); /* clnt sock transport */
rpcauth_init_module();
out:
return err;
@ -96,6 +97,7 @@ cleanup_sunrpc(void)
{
rpcauth_remove_module();
cleanup_socket_xprt();
svc_cleanup_xprt_sock();
unregister_rpc_pipefs();
rpc_destroy_mempool();
cache_unregister(&ip_map_cache);

32
net/sunrpc/svcsock.c
View File

@ -75,7 +75,7 @@
*
*/
#define RPCDBG_FACILITY RPCDBG_SVCSOCK
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
static struct svc_sock *svc_setup_socket(struct svc_serv *, struct socket *,
@ -900,12 +900,21 @@ svc_udp_sendto(struct svc_rqst *rqstp)
return error;
}
static struct svc_xprt_ops svc_udp_ops = {
};
static struct svc_xprt_class svc_udp_class = {
.xcl_name = "udp",
.xcl_ops = &svc_udp_ops,
};
static void
svc_udp_init(struct svc_sock *svsk)
{
int one = 1;
mm_segment_t oldfs;
svc_xprt_init(&svc_udp_class, &svsk->sk_xprt);
svsk->sk_sk->sk_data_ready = svc_udp_data_ready;
svsk->sk_sk->sk_write_space = svc_write_space;
svsk->sk_recvfrom = svc_udp_recvfrom;
@ -1344,12 +1353,33 @@ svc_tcp_sendto(struct svc_rqst *rqstp)
return sent;
}
static struct svc_xprt_ops svc_tcp_ops = {
};
static struct svc_xprt_class svc_tcp_class = {
.xcl_name = "tcp",
.xcl_ops = &svc_tcp_ops,
};
void svc_init_xprt_sock(void)
{
svc_reg_xprt_class(&svc_tcp_class);
svc_reg_xprt_class(&svc_udp_class);
}
void svc_cleanup_xprt_sock(void)
{
svc_unreg_xprt_class(&svc_tcp_class);
svc_unreg_xprt_class(&svc_udp_class);
}
static void
svc_tcp_init(struct svc_sock *svsk)
{
struct sock *sk = svsk->sk_sk;
struct tcp_sock *tp = tcp_sk(sk);
svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt);
svsk->sk_recvfrom = svc_tcp_recvfrom;
svsk->sk_sendto = svc_tcp_sendto;