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authorJames Bottomley <jejb@sparkweed.localdomain>2006-09-23 22:03:52 -0400
committerJames Bottomley <jejb@sparkweed.localdomain>2006-09-23 22:03:52 -0400
commit1aedf2ccc60fade26c46fae12e28664d0da3f199 (patch)
treed91083e3079f1ddb942a382ac2b5a7525570ad59 /include/linux/sunrpc/xprt.h
parentdfdc58ba354adb80d67c99f7be84f95a8e02e466 (diff)
parent1ab9dd0902df4f4ff56fbf672220549090ab28ba (diff)
Merge mulgrave-w:git/linux-2.6
Conflicts: include/linux/blkdev.h Trivial merge to incorporate tag prototypes.
Diffstat (limited to 'include/linux/sunrpc/xprt.h')
-rw-r--r--include/linux/sunrpc/xprt.h52
1 files changed, 49 insertions, 3 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 3a0cca255b76..bdeba8538c71 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -12,6 +12,7 @@
12#include <linux/uio.h> 12#include <linux/uio.h>
13#include <linux/socket.h> 13#include <linux/socket.h>
14#include <linux/in.h> 14#include <linux/in.h>
15#include <linux/kref.h>
15#include <linux/sunrpc/sched.h> 16#include <linux/sunrpc/sched.h>
16#include <linux/sunrpc/xdr.h> 17#include <linux/sunrpc/xdr.h>
17 18
@@ -51,6 +52,14 @@ struct rpc_timeout {
51 unsigned char to_exponential; 52 unsigned char to_exponential;
52}; 53};
53 54
55enum rpc_display_format_t {
56 RPC_DISPLAY_ADDR = 0,
57 RPC_DISPLAY_PORT,
58 RPC_DISPLAY_PROTO,
59 RPC_DISPLAY_ALL,
60 RPC_DISPLAY_MAX,
61};
62
54struct rpc_task; 63struct rpc_task;
55struct rpc_xprt; 64struct rpc_xprt;
56struct seq_file; 65struct seq_file;
@@ -103,8 +112,10 @@ struct rpc_rqst {
103 112
104struct rpc_xprt_ops { 113struct rpc_xprt_ops {
105 void (*set_buffer_size)(struct rpc_xprt *xprt, size_t sndsize, size_t rcvsize); 114 void (*set_buffer_size)(struct rpc_xprt *xprt, size_t sndsize, size_t rcvsize);
115 char * (*print_addr)(struct rpc_xprt *xprt, enum rpc_display_format_t format);
106 int (*reserve_xprt)(struct rpc_task *task); 116 int (*reserve_xprt)(struct rpc_task *task);
107 void (*release_xprt)(struct rpc_xprt *xprt, struct rpc_task *task); 117 void (*release_xprt)(struct rpc_xprt *xprt, struct rpc_task *task);
118 void (*rpcbind)(struct rpc_task *task);
108 void (*set_port)(struct rpc_xprt *xprt, unsigned short port); 119 void (*set_port)(struct rpc_xprt *xprt, unsigned short port);
109 void (*connect)(struct rpc_task *task); 120 void (*connect)(struct rpc_task *task);
110 void * (*buf_alloc)(struct rpc_task *task, size_t size); 121 void * (*buf_alloc)(struct rpc_task *task, size_t size);
@@ -119,12 +130,14 @@ struct rpc_xprt_ops {
119}; 130};
120 131
121struct rpc_xprt { 132struct rpc_xprt {
133 struct kref kref; /* Reference count */
122 struct rpc_xprt_ops * ops; /* transport methods */ 134 struct rpc_xprt_ops * ops; /* transport methods */
123 struct socket * sock; /* BSD socket layer */ 135 struct socket * sock; /* BSD socket layer */
124 struct sock * inet; /* INET layer */ 136 struct sock * inet; /* INET layer */
125 137
126 struct rpc_timeout timeout; /* timeout parms */ 138 struct rpc_timeout timeout; /* timeout parms */
127 struct sockaddr_in addr; /* server address */ 139 struct sockaddr_storage addr; /* server address */
140 size_t addrlen; /* size of server address */
128 int prot; /* IP protocol */ 141 int prot; /* IP protocol */
129 142
130 unsigned long cong; /* current congestion */ 143 unsigned long cong; /* current congestion */
@@ -138,6 +151,7 @@ struct rpc_xprt {
138 unsigned int tsh_size; /* size of transport specific 151 unsigned int tsh_size; /* size of transport specific
139 header */ 152 header */
140 153
154 struct rpc_wait_queue binding; /* requests waiting on rpcbind */
141 struct rpc_wait_queue sending; /* requests waiting to send */ 155 struct rpc_wait_queue sending; /* requests waiting to send */
142 struct rpc_wait_queue resend; /* requests waiting to resend */ 156 struct rpc_wait_queue resend; /* requests waiting to resend */
143 struct rpc_wait_queue pending; /* requests in flight */ 157 struct rpc_wait_queue pending; /* requests in flight */
@@ -205,6 +219,8 @@ struct rpc_xprt {
205 void (*old_data_ready)(struct sock *, int); 219 void (*old_data_ready)(struct sock *, int);
206 void (*old_state_change)(struct sock *); 220 void (*old_state_change)(struct sock *);
207 void (*old_write_space)(struct sock *); 221 void (*old_write_space)(struct sock *);
222
223 char * address_strings[RPC_DISPLAY_MAX];
208}; 224};
209 225
210#define XPRT_LAST_FRAG (1 << 0) 226#define XPRT_LAST_FRAG (1 << 0)
@@ -217,12 +233,12 @@ struct rpc_xprt {
217/* 233/*
218 * Transport operations used by ULPs 234 * Transport operations used by ULPs
219 */ 235 */
220struct rpc_xprt * xprt_create_proto(int proto, struct sockaddr_in *addr, struct rpc_timeout *to);
221void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr); 236void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr);
222 237
223/* 238/*
224 * Generic internal transport functions 239 * Generic internal transport functions
225 */ 240 */
241struct rpc_xprt * xprt_create_transport(int proto, struct sockaddr *addr, size_t size, struct rpc_timeout *toparms);
226void xprt_connect(struct rpc_task *task); 242void xprt_connect(struct rpc_task *task);
227void xprt_reserve(struct rpc_task *task); 243void xprt_reserve(struct rpc_task *task);
228int xprt_reserve_xprt(struct rpc_task *task); 244int xprt_reserve_xprt(struct rpc_task *task);
@@ -234,7 +250,8 @@ int xprt_adjust_timeout(struct rpc_rqst *req);
234void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task); 250void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
235void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task); 251void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
236void xprt_release(struct rpc_task *task); 252void xprt_release(struct rpc_task *task);
237int xprt_destroy(struct rpc_xprt *xprt); 253struct rpc_xprt * xprt_get(struct rpc_xprt *xprt);
254void xprt_put(struct rpc_xprt *xprt);
238 255
239static inline u32 *xprt_skip_transport_header(struct rpc_xprt *xprt, u32 *p) 256static inline u32 *xprt_skip_transport_header(struct rpc_xprt *xprt, u32 *p)
240{ 257{
@@ -269,6 +286,8 @@ int xs_setup_tcp(struct rpc_xprt *xprt, struct rpc_timeout *to);
269#define XPRT_CONNECTED (1) 286#define XPRT_CONNECTED (1)
270#define XPRT_CONNECTING (2) 287#define XPRT_CONNECTING (2)
271#define XPRT_CLOSE_WAIT (3) 288#define XPRT_CLOSE_WAIT (3)
289#define XPRT_BOUND (4)
290#define XPRT_BINDING (5)
272 291
273static inline void xprt_set_connected(struct rpc_xprt *xprt) 292static inline void xprt_set_connected(struct rpc_xprt *xprt)
274{ 293{
@@ -312,6 +331,33 @@ static inline int xprt_test_and_set_connecting(struct rpc_xprt *xprt)
312 return test_and_set_bit(XPRT_CONNECTING, &xprt->state); 331 return test_and_set_bit(XPRT_CONNECTING, &xprt->state);
313} 332}
314 333
334static inline void xprt_set_bound(struct rpc_xprt *xprt)
335{
336 test_and_set_bit(XPRT_BOUND, &xprt->state);
337}
338
339static inline int xprt_bound(struct rpc_xprt *xprt)
340{
341 return test_bit(XPRT_BOUND, &xprt->state);
342}
343
344static inline void xprt_clear_bound(struct rpc_xprt *xprt)
345{
346 clear_bit(XPRT_BOUND, &xprt->state);
347}
348
349static inline void xprt_clear_binding(struct rpc_xprt *xprt)
350{
351 smp_mb__before_clear_bit();
352 clear_bit(XPRT_BINDING, &xprt->state);
353 smp_mb__after_clear_bit();
354}
355
356static inline int xprt_test_and_set_binding(struct rpc_xprt *xprt)
357{
358 return test_and_set_bit(XPRT_BINDING, &xprt->state);
359}
360
315#endif /* __KERNEL__*/ 361#endif /* __KERNEL__*/
316 362
317#endif /* _LINUX_SUNRPC_XPRT_H */ 363#endif /* _LINUX_SUNRPC_XPRT_H */