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authorLinus Torvalds <torvalds@linux-foundation.org>2008-02-01 22:31:28 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-01 22:31:28 -0500
commit63e9b66e29357dd12e8b1d3ebf7036e7591f81e3 (patch)
tree5aa6a70a8f4bbf306e2825a1e2fa2660c2c1c187 /include
parent687fcdf741e4a268c2c7bac8b3734de761bb9719 (diff)
parentea339d46b93c7b16e067a29aad1812f7a389815a (diff)
Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux
* 'for-linus' of git://linux-nfs.org/~bfields/linux: (100 commits) SUNRPC: RPC program information is stored in unsigned integers SUNRPC: Move exported symbol definitions after function declaration part 2 NLM: tear down RPC clients in nlm_shutdown_hosts SUNRPC: spin svc_rqst initialization to its own function nfsd: more careful input validation in nfsctl write methods lockd: minor log message fix knfsd: don't bother mapping putrootfh enoent to eperm rdma: makefile rdma: ONCRPC RDMA protocol marshalling rdma: SVCRDMA sendto rdma: SVCRDMA recvfrom rdma: SVCRDMA Core Transport Services rdma: SVCRDMA Transport Module rdma: SVCRMDA Header File svc: Add svc_xprt_names service to replace svc_sock_names knfsd: Support adding transports by writing portlist file svc: Add svc API that queries for a transport instance svc: Add /proc/sys/sunrpc/transport files svc: Add transport hdr size for defer/revisit svc: Move the xprt independent code to the svc_xprt.c file ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/lockd/lockd.h9
-rw-r--r--include/linux/lockd/xdr.h4
-rw-r--r--include/linux/nfsd/Kbuild1
-rw-r--r--include/linux/nfsd/auth.h27
-rw-r--r--include/linux/nfsd/cache.h4
-rw-r--r--include/linux/nfsd/export.h2
-rw-r--r--include/linux/nfsd/nfsd.h5
-rw-r--r--include/linux/nfsd/syscall.h1
-rw-r--r--include/linux/nfsd/xdr.h14
-rw-r--r--include/linux/nfsd/xdr3.h16
-rw-r--r--include/linux/nfsd/xdr4.h2
-rw-r--r--include/linux/nfsd_idmap.h11
-rw-r--r--include/linux/sunrpc/cache.h4
-rw-r--r--include/linux/sunrpc/debug.h2
-rw-r--r--include/linux/sunrpc/svc.h10
-rw-r--r--include/linux/sunrpc/svc_rdma.h262
-rw-r--r--include/linux/sunrpc/svc_xprt.h159
-rw-r--r--include/linux/sunrpc/svcsock.h43
-rw-r--r--include/linux/sunrpc/xdr.h3
19 files changed, 475 insertions, 104 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index e2d1ce36b367..4babb2a129ac 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -173,14 +173,17 @@ void nlmclnt_next_cookie(struct nlm_cookie *);
173/* 173/*
174 * Host cache 174 * Host cache
175 */ 175 */
176struct nlm_host * nlmclnt_lookup_host(const struct sockaddr_in *, int, int, const char *, int); 176struct nlm_host *nlmclnt_lookup_host(const struct sockaddr_in *, int, int,
177struct nlm_host * nlmsvc_lookup_host(struct svc_rqst *, const char *, int); 177 const char *, unsigned int);
178struct nlm_host *nlmsvc_lookup_host(struct svc_rqst *, const char *,
179 unsigned int);
178struct rpc_clnt * nlm_bind_host(struct nlm_host *); 180struct rpc_clnt * nlm_bind_host(struct nlm_host *);
179void nlm_rebind_host(struct nlm_host *); 181void nlm_rebind_host(struct nlm_host *);
180struct nlm_host * nlm_get_host(struct nlm_host *); 182struct nlm_host * nlm_get_host(struct nlm_host *);
181void nlm_release_host(struct nlm_host *); 183void nlm_release_host(struct nlm_host *);
182void nlm_shutdown_hosts(void); 184void nlm_shutdown_hosts(void);
183extern void nlm_host_rebooted(const struct sockaddr_in *, const char *, int, u32); 185extern void nlm_host_rebooted(const struct sockaddr_in *, const char *,
186 unsigned int, u32);
184void nsm_release(struct nsm_handle *); 187void nsm_release(struct nsm_handle *);
185 188
186 189
diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h
index 83a1f9f6237b..df18fa053bcd 100644
--- a/include/linux/lockd/xdr.h
+++ b/include/linux/lockd/xdr.h
@@ -29,7 +29,7 @@ struct svc_rqst;
29/* Lock info passed via NLM */ 29/* Lock info passed via NLM */
30struct nlm_lock { 30struct nlm_lock {
31 char * caller; 31 char * caller;
32 int len; /* length of "caller" */ 32 unsigned int len; /* length of "caller" */
33 struct nfs_fh fh; 33 struct nfs_fh fh;
34 struct xdr_netobj oh; 34 struct xdr_netobj oh;
35 u32 svid; 35 u32 svid;
@@ -78,7 +78,7 @@ struct nlm_res {
78 */ 78 */
79struct nlm_reboot { 79struct nlm_reboot {
80 char * mon; 80 char * mon;
81 int len; 81 unsigned int len;
82 u32 state; 82 u32 state;
83 __be32 addr; 83 __be32 addr;
84 __be32 vers; 84 __be32 vers;
diff --git a/include/linux/nfsd/Kbuild b/include/linux/nfsd/Kbuild
index d9c5455808e5..e726fc3a4375 100644
--- a/include/linux/nfsd/Kbuild
+++ b/include/linux/nfsd/Kbuild
@@ -4,4 +4,3 @@ unifdef-y += stats.h
4unifdef-y += syscall.h 4unifdef-y += syscall.h
5unifdef-y += nfsfh.h 5unifdef-y += nfsfh.h
6unifdef-y += debug.h 6unifdef-y += debug.h
7unifdef-y += auth.h
diff --git a/include/linux/nfsd/auth.h b/include/linux/nfsd/auth.h
deleted file mode 100644
index 0fb9f7212195..000000000000
--- a/include/linux/nfsd/auth.h
+++ /dev/null
@@ -1,27 +0,0 @@
1/*
2 * include/linux/nfsd/auth.h
3 *
4 * nfsd-specific authentication stuff.
5 * uid/gid mapping not yet implemented.
6 *
7 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
8 */
9
10#ifndef LINUX_NFSD_AUTH_H
11#define LINUX_NFSD_AUTH_H
12
13#ifdef __KERNEL__
14
15#define nfsd_luid(rq, uid) ((u32)(uid))
16#define nfsd_lgid(rq, gid) ((u32)(gid))
17#define nfsd_ruid(rq, uid) ((u32)(uid))
18#define nfsd_rgid(rq, gid) ((u32)(gid))
19
20/*
21 * Set the current process's fsuid/fsgid etc to those of the NFS
22 * client user
23 */
24int nfsd_setuser(struct svc_rqst *, struct svc_export *);
25
26#endif /* __KERNEL__ */
27#endif /* LINUX_NFSD_AUTH_H */
diff --git a/include/linux/nfsd/cache.h b/include/linux/nfsd/cache.h
index 007480cd6a60..7b5d784cc858 100644
--- a/include/linux/nfsd/cache.h
+++ b/include/linux/nfsd/cache.h
@@ -72,8 +72,8 @@ enum {
72 */ 72 */
73#define RC_DELAY (HZ/5) 73#define RC_DELAY (HZ/5)
74 74
75void nfsd_cache_init(void); 75int nfsd_reply_cache_init(void);
76void nfsd_cache_shutdown(void); 76void nfsd_reply_cache_shutdown(void);
77int nfsd_cache_lookup(struct svc_rqst *, int); 77int nfsd_cache_lookup(struct svc_rqst *, int);
78void nfsd_cache_update(struct svc_rqst *, int, __be32 *); 78void nfsd_cache_update(struct svc_rqst *, int, __be32 *);
79 79
diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index bcb7abafbca9..3a1687251367 100644
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -122,7 +122,7 @@ __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp);
122/* 122/*
123 * Function declarations 123 * Function declarations
124 */ 124 */
125void nfsd_export_init(void); 125int nfsd_export_init(void);
126void nfsd_export_shutdown(void); 126void nfsd_export_shutdown(void);
127void nfsd_export_flush(void); 127void nfsd_export_flush(void);
128void exp_readlock(void); 128void exp_readlock(void);
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index 604a0d786bc6..8caf4c4f64e6 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -20,7 +20,6 @@
20#include <linux/nfsd/debug.h> 20#include <linux/nfsd/debug.h>
21#include <linux/nfsd/nfsfh.h> 21#include <linux/nfsd/nfsfh.h>
22#include <linux/nfsd/export.h> 22#include <linux/nfsd/export.h>
23#include <linux/nfsd/auth.h>
24#include <linux/nfsd/stats.h> 23#include <linux/nfsd/stats.h>
25/* 24/*
26 * nfsd version 25 * nfsd version
@@ -70,9 +69,9 @@ void nfsd_racache_shutdown(void);
70int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp, 69int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
71 struct svc_export **expp); 70 struct svc_export **expp);
72__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *, 71__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
73 const char *, int, struct svc_fh *); 72 const char *, unsigned int, struct svc_fh *);
74__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *, 73__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
75 const char *, int, 74 const char *, unsigned int,
76 struct svc_export **, struct dentry **); 75 struct svc_export **, struct dentry **);
77__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *, 76__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
78 struct iattr *, int, time_t); 77 struct iattr *, int, time_t);
diff --git a/include/linux/nfsd/syscall.h b/include/linux/nfsd/syscall.h
index 8bcddccb6c42..4e439765b705 100644
--- a/include/linux/nfsd/syscall.h
+++ b/include/linux/nfsd/syscall.h
@@ -18,7 +18,6 @@
18#include <linux/nfsd/const.h> 18#include <linux/nfsd/const.h>
19#include <linux/nfsd/export.h> 19#include <linux/nfsd/export.h>
20#include <linux/nfsd/nfsfh.h> 20#include <linux/nfsd/nfsfh.h>
21#include <linux/nfsd/auth.h>
22 21
23/* 22/*
24 * Version of the syscall interface 23 * Version of the syscall interface
diff --git a/include/linux/nfsd/xdr.h b/include/linux/nfsd/xdr.h
index 67885d5e6e50..a0132ef58f21 100644
--- a/include/linux/nfsd/xdr.h
+++ b/include/linux/nfsd/xdr.h
@@ -23,7 +23,7 @@ struct nfsd_sattrargs {
23struct nfsd_diropargs { 23struct nfsd_diropargs {
24 struct svc_fh fh; 24 struct svc_fh fh;
25 char * name; 25 char * name;
26 int len; 26 unsigned int len;
27}; 27};
28 28
29struct nfsd_readargs { 29struct nfsd_readargs {
@@ -43,17 +43,17 @@ struct nfsd_writeargs {
43struct nfsd_createargs { 43struct nfsd_createargs {
44 struct svc_fh fh; 44 struct svc_fh fh;
45 char * name; 45 char * name;
46 int len; 46 unsigned int len;
47 struct iattr attrs; 47 struct iattr attrs;
48}; 48};
49 49
50struct nfsd_renameargs { 50struct nfsd_renameargs {
51 struct svc_fh ffh; 51 struct svc_fh ffh;
52 char * fname; 52 char * fname;
53 int flen; 53 unsigned int flen;
54 struct svc_fh tfh; 54 struct svc_fh tfh;
55 char * tname; 55 char * tname;
56 int tlen; 56 unsigned int tlen;
57}; 57};
58 58
59struct nfsd_readlinkargs { 59struct nfsd_readlinkargs {
@@ -65,15 +65,15 @@ struct nfsd_linkargs {
65 struct svc_fh ffh; 65 struct svc_fh ffh;
66 struct svc_fh tfh; 66 struct svc_fh tfh;
67 char * tname; 67 char * tname;
68 int tlen; 68 unsigned int tlen;
69}; 69};
70 70
71struct nfsd_symlinkargs { 71struct nfsd_symlinkargs {
72 struct svc_fh ffh; 72 struct svc_fh ffh;
73 char * fname; 73 char * fname;
74 int flen; 74 unsigned int flen;
75 char * tname; 75 char * tname;
76 int tlen; 76 unsigned int tlen;
77 struct iattr attrs; 77 struct iattr attrs;
78}; 78};
79 79
diff --git a/include/linux/nfsd/xdr3.h b/include/linux/nfsd/xdr3.h
index 89d9d6061a62..421eddd65a25 100644
--- a/include/linux/nfsd/xdr3.h
+++ b/include/linux/nfsd/xdr3.h
@@ -21,7 +21,7 @@ struct nfsd3_sattrargs {
21struct nfsd3_diropargs { 21struct nfsd3_diropargs {
22 struct svc_fh fh; 22 struct svc_fh fh;
23 char * name; 23 char * name;
24 int len; 24 unsigned int len;
25}; 25};
26 26
27struct nfsd3_accessargs { 27struct nfsd3_accessargs {
@@ -48,7 +48,7 @@ struct nfsd3_writeargs {
48struct nfsd3_createargs { 48struct nfsd3_createargs {
49 struct svc_fh fh; 49 struct svc_fh fh;
50 char * name; 50 char * name;
51 int len; 51 unsigned int len;
52 int createmode; 52 int createmode;
53 struct iattr attrs; 53 struct iattr attrs;
54 __be32 * verf; 54 __be32 * verf;
@@ -57,7 +57,7 @@ struct nfsd3_createargs {
57struct nfsd3_mknodargs { 57struct nfsd3_mknodargs {
58 struct svc_fh fh; 58 struct svc_fh fh;
59 char * name; 59 char * name;
60 int len; 60 unsigned int len;
61 __u32 ftype; 61 __u32 ftype;
62 __u32 major, minor; 62 __u32 major, minor;
63 struct iattr attrs; 63 struct iattr attrs;
@@ -66,10 +66,10 @@ struct nfsd3_mknodargs {
66struct nfsd3_renameargs { 66struct nfsd3_renameargs {
67 struct svc_fh ffh; 67 struct svc_fh ffh;
68 char * fname; 68 char * fname;
69 int flen; 69 unsigned int flen;
70 struct svc_fh tfh; 70 struct svc_fh tfh;
71 char * tname; 71 char * tname;
72 int tlen; 72 unsigned int tlen;
73}; 73};
74 74
75struct nfsd3_readlinkargs { 75struct nfsd3_readlinkargs {
@@ -81,15 +81,15 @@ struct nfsd3_linkargs {
81 struct svc_fh ffh; 81 struct svc_fh ffh;
82 struct svc_fh tfh; 82 struct svc_fh tfh;
83 char * tname; 83 char * tname;
84 int tlen; 84 unsigned int tlen;
85}; 85};
86 86
87struct nfsd3_symlinkargs { 87struct nfsd3_symlinkargs {
88 struct svc_fh ffh; 88 struct svc_fh ffh;
89 char * fname; 89 char * fname;
90 int flen; 90 unsigned int flen;
91 char * tname; 91 char * tname;
92 int tlen; 92 unsigned int tlen;
93 struct iattr attrs; 93 struct iattr attrs;
94}; 94};
95 95
diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h
index b0ddfb41c790..27bd3e38ec5a 100644
--- a/include/linux/nfsd/xdr4.h
+++ b/include/linux/nfsd/xdr4.h
@@ -441,7 +441,7 @@ void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
441void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op); 441void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
442__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, 442__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
443 struct dentry *dentry, __be32 *buffer, int *countp, 443 struct dentry *dentry, __be32 *buffer, int *countp,
444 u32 *bmval, struct svc_rqst *); 444 u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
445extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, 445extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
446 struct nfsd4_compound_state *, 446 struct nfsd4_compound_state *,
447 struct nfsd4_setclientid *setclid); 447 struct nfsd4_setclientid *setclid);
diff --git a/include/linux/nfsd_idmap.h b/include/linux/nfsd_idmap.h
index e82746fcad14..d4a2ac18bd4c 100644
--- a/include/linux/nfsd_idmap.h
+++ b/include/linux/nfsd_idmap.h
@@ -44,11 +44,16 @@
44#define IDMAP_NAMESZ 128 44#define IDMAP_NAMESZ 128
45 45
46#ifdef CONFIG_NFSD_V4 46#ifdef CONFIG_NFSD_V4
47void nfsd_idmap_init(void); 47int nfsd_idmap_init(void);
48void nfsd_idmap_shutdown(void); 48void nfsd_idmap_shutdown(void);
49#else 49#else
50static inline void nfsd_idmap_init(void) {}; 50static inline int nfsd_idmap_init(void)
51static inline void nfsd_idmap_shutdown(void) {}; 51{
52 return 0;
53}
54static inline void nfsd_idmap_shutdown(void)
55{
56}
52#endif 57#endif
53 58
54int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *); 59int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index bd7a6b0a87af..03547d6abee5 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -169,8 +169,8 @@ extern int cache_check(struct cache_detail *detail,
169extern void cache_flush(void); 169extern void cache_flush(void);
170extern void cache_purge(struct cache_detail *detail); 170extern void cache_purge(struct cache_detail *detail);
171#define NEVER (0x7FFFFFFF) 171#define NEVER (0x7FFFFFFF)
172extern void cache_register(struct cache_detail *cd); 172extern int cache_register(struct cache_detail *cd);
173extern int cache_unregister(struct cache_detail *cd); 173extern void cache_unregister(struct cache_detail *cd);
174 174
175extern void qword_add(char **bpp, int *lp, char *str); 175extern void qword_add(char **bpp, int *lp, char *str);
176extern void qword_addhex(char **bpp, int *lp, char *buf, int blen); 176extern void qword_addhex(char **bpp, int *lp, char *buf, int blen);
diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
index 3912cf16361e..10709cbe96fd 100644
--- a/include/linux/sunrpc/debug.h
+++ b/include/linux/sunrpc/debug.h
@@ -20,7 +20,7 @@
20#define RPCDBG_BIND 0x0020 20#define RPCDBG_BIND 0x0020
21#define RPCDBG_SCHED 0x0040 21#define RPCDBG_SCHED 0x0040
22#define RPCDBG_TRANS 0x0080 22#define RPCDBG_TRANS 0x0080
23#define RPCDBG_SVCSOCK 0x0100 23#define RPCDBG_SVCXPRT 0x0100
24#define RPCDBG_SVCDSP 0x0200 24#define RPCDBG_SVCDSP 0x0200
25#define RPCDBG_MISC 0x0400 25#define RPCDBG_MISC 0x0400
26#define RPCDBG_CACHE 0x0800 26#define RPCDBG_CACHE 0x0800
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 8531a70da73d..64c771056187 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -204,7 +204,7 @@ union svc_addr_u {
204struct svc_rqst { 204struct svc_rqst {
205 struct list_head rq_list; /* idle list */ 205 struct list_head rq_list; /* idle list */
206 struct list_head rq_all; /* all threads list */ 206 struct list_head rq_all; /* all threads list */
207 struct svc_sock * rq_sock; /* socket */ 207 struct svc_xprt * rq_xprt; /* transport ptr */
208 struct sockaddr_storage rq_addr; /* peer address */ 208 struct sockaddr_storage rq_addr; /* peer address */
209 size_t rq_addrlen; 209 size_t rq_addrlen;
210 210
@@ -214,9 +214,10 @@ struct svc_rqst {
214 struct auth_ops * rq_authop; /* authentication flavour */ 214 struct auth_ops * rq_authop; /* authentication flavour */
215 u32 rq_flavor; /* pseudoflavor */ 215 u32 rq_flavor; /* pseudoflavor */
216 struct svc_cred rq_cred; /* auth info */ 216 struct svc_cred rq_cred; /* auth info */
217 struct sk_buff * rq_skbuff; /* fast recv inet buffer */ 217 void * rq_xprt_ctxt; /* transport specific context ptr */
218 struct svc_deferred_req*rq_deferred; /* deferred request we are replaying */ 218 struct svc_deferred_req*rq_deferred; /* deferred request we are replaying */
219 219
220 size_t rq_xprt_hlen; /* xprt header len */
220 struct xdr_buf rq_arg; 221 struct xdr_buf rq_arg;
221 struct xdr_buf rq_res; 222 struct xdr_buf rq_res;
222 struct page * rq_pages[RPCSVC_MAXPAGES]; 223 struct page * rq_pages[RPCSVC_MAXPAGES];
@@ -317,11 +318,12 @@ static inline void svc_free_res_pages(struct svc_rqst *rqstp)
317 318
318struct svc_deferred_req { 319struct svc_deferred_req {
319 u32 prot; /* protocol (UDP or TCP) */ 320 u32 prot; /* protocol (UDP or TCP) */
320 struct svc_sock *svsk; 321 struct svc_xprt *xprt;
321 struct sockaddr_storage addr; /* where reply must go */ 322 struct sockaddr_storage addr; /* where reply must go */
322 size_t addrlen; 323 size_t addrlen;
323 union svc_addr_u daddr; /* where reply must come from */ 324 union svc_addr_u daddr; /* where reply must come from */
324 struct cache_deferred_req handle; 325 struct cache_deferred_req handle;
326 size_t xprt_hlen;
325 int argslen; 327 int argslen;
326 __be32 args[0]; 328 __be32 args[0];
327}; 329};
@@ -382,6 +384,8 @@ struct svc_procedure {
382 */ 384 */
383struct svc_serv * svc_create(struct svc_program *, unsigned int, 385struct svc_serv * svc_create(struct svc_program *, unsigned int,
384 void (*shutdown)(struct svc_serv*)); 386 void (*shutdown)(struct svc_serv*));
387struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
388 struct svc_pool *pool);
385int svc_create_thread(svc_thread_fn, struct svc_serv *); 389int svc_create_thread(svc_thread_fn, struct svc_serv *);
386void svc_exit_thread(struct svc_rqst *); 390void svc_exit_thread(struct svc_rqst *);
387struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int, 391struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int,
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
new file mode 100644
index 000000000000..c11bbcc081f9
--- /dev/null
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -0,0 +1,262 @@
1/*
2 * Copyright (c) 2005-2006 Network Appliance, Inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the BSD-type
8 * license below:
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials provided
20 * with the distribution.
21 *
22 * Neither the name of the Network Appliance, Inc. nor the names of
23 * its contributors may be used to endorse or promote products
24 * derived from this software without specific prior written
25 * permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 *
39 * Author: Tom Tucker <tom@opengridcomputing.com>
40 */
41
42#ifndef SVC_RDMA_H
43#define SVC_RDMA_H
44#include <linux/sunrpc/xdr.h>
45#include <linux/sunrpc/svcsock.h>
46#include <linux/sunrpc/rpc_rdma.h>
47#include <rdma/ib_verbs.h>
48#include <rdma/rdma_cm.h>
49#define SVCRDMA_DEBUG
50
51/* RPC/RDMA parameters and stats */
52extern unsigned int svcrdma_ord;
53extern unsigned int svcrdma_max_requests;
54extern unsigned int svcrdma_max_req_size;
55
56extern atomic_t rdma_stat_recv;
57extern atomic_t rdma_stat_read;
58extern atomic_t rdma_stat_write;
59extern atomic_t rdma_stat_sq_starve;
60extern atomic_t rdma_stat_rq_starve;
61extern atomic_t rdma_stat_rq_poll;
62extern atomic_t rdma_stat_rq_prod;
63extern atomic_t rdma_stat_sq_poll;
64extern atomic_t rdma_stat_sq_prod;
65
66#define RPCRDMA_VERSION 1
67
68/*
69 * Contexts are built when an RDMA request is created and are a
70 * record of the resources that can be recovered when the request
71 * completes.
72 */
73struct svc_rdma_op_ctxt {
74 struct svc_rdma_op_ctxt *next;
75 struct xdr_buf arg;
76 struct list_head dto_q;
77 enum ib_wr_opcode wr_op;
78 enum ib_wc_status wc_status;
79 u32 byte_len;
80 struct svcxprt_rdma *xprt;
81 unsigned long flags;
82 enum dma_data_direction direction;
83 int count;
84 struct ib_sge sge[RPCSVC_MAXPAGES];
85 struct page *pages[RPCSVC_MAXPAGES];
86};
87
88#define RDMACTXT_F_READ_DONE 1
89#define RDMACTXT_F_LAST_CTXT 2
90
91struct svcxprt_rdma {
92 struct svc_xprt sc_xprt; /* SVC transport structure */
93 struct rdma_cm_id *sc_cm_id; /* RDMA connection id */
94 struct list_head sc_accept_q; /* Conn. waiting accept */
95 int sc_ord; /* RDMA read limit */
96 wait_queue_head_t sc_read_wait;
97 int sc_max_sge;
98
99 int sc_sq_depth; /* Depth of SQ */
100 atomic_t sc_sq_count; /* Number of SQ WR on queue */
101
102 int sc_max_requests; /* Depth of RQ */
103 int sc_max_req_size; /* Size of each RQ WR buf */
104
105 struct ib_pd *sc_pd;
106
107 struct svc_rdma_op_ctxt *sc_ctxt_head;
108 int sc_ctxt_cnt;
109 int sc_ctxt_bump;
110 int sc_ctxt_max;
111 spinlock_t sc_ctxt_lock;
112 struct list_head sc_rq_dto_q;
113 spinlock_t sc_rq_dto_lock;
114 struct ib_qp *sc_qp;
115 struct ib_cq *sc_rq_cq;
116 struct ib_cq *sc_sq_cq;
117 struct ib_mr *sc_phys_mr; /* MR for server memory */
118
119 spinlock_t sc_lock; /* transport lock */
120
121 wait_queue_head_t sc_send_wait; /* SQ exhaustion waitlist */
122 unsigned long sc_flags;
123 struct list_head sc_dto_q; /* DTO tasklet I/O pending Q */
124 struct list_head sc_read_complete_q;
125 spinlock_t sc_read_complete_lock;
126};
127/* sc_flags */
128#define RDMAXPRT_RQ_PENDING 1
129#define RDMAXPRT_SQ_PENDING 2
130#define RDMAXPRT_CONN_PENDING 3
131
132#define RPCRDMA_LISTEN_BACKLOG 10
133/* The default ORD value is based on two outstanding full-size writes with a
134 * page size of 4k, or 32k * 2 ops / 4k = 16 outstanding RDMA_READ. */
135#define RPCRDMA_ORD (64/4)
136#define RPCRDMA_SQ_DEPTH_MULT 8
137#define RPCRDMA_MAX_THREADS 16
138#define RPCRDMA_MAX_REQUESTS 16
139#define RPCRDMA_MAX_REQ_SIZE 4096
140
141/* svc_rdma_marshal.c */
142extern void svc_rdma_rcl_chunk_counts(struct rpcrdma_read_chunk *,
143 int *, int *);
144extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
145extern int svc_rdma_xdr_decode_deferred_req(struct svc_rqst *);
146extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
147 struct rpcrdma_msg *,
148 enum rpcrdma_errcode, u32 *);
149extern void svc_rdma_xdr_encode_write_list(struct rpcrdma_msg *, int);
150extern void svc_rdma_xdr_encode_reply_array(struct rpcrdma_write_array *, int);
151extern void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *, int,
152 u32, u64, u32);
153extern void svc_rdma_xdr_encode_reply_header(struct svcxprt_rdma *,
154 struct rpcrdma_msg *,
155 struct rpcrdma_msg *,
156 enum rpcrdma_proc);
157extern int svc_rdma_xdr_get_reply_hdr_len(struct rpcrdma_msg *);
158
159/* svc_rdma_recvfrom.c */
160extern int svc_rdma_recvfrom(struct svc_rqst *);
161
162/* svc_rdma_sendto.c */
163extern int svc_rdma_sendto(struct svc_rqst *);
164
165/* svc_rdma_transport.c */
166extern int svc_rdma_send(struct svcxprt_rdma *, struct ib_send_wr *);
167extern int svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
168 enum rpcrdma_errcode);
169struct page *svc_rdma_get_page(void);
170extern int svc_rdma_post_recv(struct svcxprt_rdma *);
171extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
172extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *);
173extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int);
174extern void svc_sq_reap(struct svcxprt_rdma *);
175extern void svc_rq_reap(struct svcxprt_rdma *);
176extern struct svc_xprt_class svc_rdma_class;
177extern void svc_rdma_prep_reply_hdr(struct svc_rqst *);
178
179/* svc_rdma.c */
180extern int svc_rdma_init(void);
181extern void svc_rdma_cleanup(void);
182
183/*
184 * Returns the address of the first read chunk or <nul> if no read chunk is
185 * present
186 */
187static inline struct rpcrdma_read_chunk *
188svc_rdma_get_read_chunk(struct rpcrdma_msg *rmsgp)
189{
190 struct rpcrdma_read_chunk *ch =
191 (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
192
193 if (ch->rc_discrim == 0)
194 return NULL;
195
196 return ch;
197}
198
199/*
200 * Returns the address of the first read write array element or <nul> if no
201 * write array list is present
202 */
203static inline struct rpcrdma_write_array *
204svc_rdma_get_write_array(struct rpcrdma_msg *rmsgp)
205{
206 if (rmsgp->rm_body.rm_chunks[0] != 0
207 || rmsgp->rm_body.rm_chunks[1] == 0)
208 return NULL;
209
210 return (struct rpcrdma_write_array *)&rmsgp->rm_body.rm_chunks[1];
211}
212
213/*
214 * Returns the address of the first reply array element or <nul> if no
215 * reply array is present
216 */
217static inline struct rpcrdma_write_array *
218svc_rdma_get_reply_array(struct rpcrdma_msg *rmsgp)
219{
220 struct rpcrdma_read_chunk *rch;
221 struct rpcrdma_write_array *wr_ary;
222 struct rpcrdma_write_array *rp_ary;
223
224 /* XXX: Need to fix when reply list may occur with read-list and/or
225 * write list */
226 if (rmsgp->rm_body.rm_chunks[0] != 0 ||
227 rmsgp->rm_body.rm_chunks[1] != 0)
228 return NULL;
229
230 rch = svc_rdma_get_read_chunk(rmsgp);
231 if (rch) {
232 while (rch->rc_discrim)
233 rch++;
234
235 /* The reply list follows an empty write array located
236 * at 'rc_position' here. The reply array is at rc_target.
237 */
238 rp_ary = (struct rpcrdma_write_array *)&rch->rc_target;
239
240 goto found_it;
241 }
242
243 wr_ary = svc_rdma_get_write_array(rmsgp);
244 if (wr_ary) {
245 rp_ary = (struct rpcrdma_write_array *)
246 &wr_ary->
247 wc_array[wr_ary->wc_nchunks].wc_target.rs_length;
248
249 goto found_it;
250 }
251
252 /* No read list, no write list */
253 rp_ary = (struct rpcrdma_write_array *)
254 &rmsgp->rm_body.rm_chunks[2];
255
256 found_it:
257 if (rp_ary->wc_discrim == 0)
258 return NULL;
259
260 return rp_ary;
261}
262#endif
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
new file mode 100644
index 000000000000..6fd7b016517f
--- /dev/null
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -0,0 +1,159 @@
1/*
2 * linux/include/linux/sunrpc/svc_xprt.h
3 *
4 * RPC server transport I/O
5 */
6
7#ifndef SUNRPC_SVC_XPRT_H
8#define SUNRPC_SVC_XPRT_H
9
10#include <linux/sunrpc/svc.h>
11#include <linux/module.h>
12
13struct svc_xprt_ops {
14 struct svc_xprt *(*xpo_create)(struct svc_serv *,
15 struct sockaddr *, int,
16 int);
17 struct svc_xprt *(*xpo_accept)(struct svc_xprt *);
18 int (*xpo_has_wspace)(struct svc_xprt *);
19 int (*xpo_recvfrom)(struct svc_rqst *);
20 void (*xpo_prep_reply_hdr)(struct svc_rqst *);
21 int (*xpo_sendto)(struct svc_rqst *);
22 void (*xpo_release_rqst)(struct svc_rqst *);
23 void (*xpo_detach)(struct svc_xprt *);
24 void (*xpo_free)(struct svc_xprt *);
25};
26
27struct svc_xprt_class {
28 const char *xcl_name;
29 struct module *xcl_owner;
30 struct svc_xprt_ops *xcl_ops;
31 struct list_head xcl_list;
32 u32 xcl_max_payload;
33};
34
35struct svc_xprt {
36 struct svc_xprt_class *xpt_class;
37 struct svc_xprt_ops *xpt_ops;
38 struct kref xpt_ref;
39 struct list_head xpt_list;
40 struct list_head xpt_ready;
41 unsigned long xpt_flags;
42#define XPT_BUSY 0 /* enqueued/receiving */
43#define XPT_CONN 1 /* conn pending */
44#define XPT_CLOSE 2 /* dead or dying */
45#define XPT_DATA 3 /* data pending */
46#define XPT_TEMP 4 /* connected transport */
47#define XPT_DEAD 6 /* transport closed */
48#define XPT_CHNGBUF 7 /* need to change snd/rcv buf sizes */
49#define XPT_DEFERRED 8 /* deferred request pending */
50#define XPT_OLD 9 /* used for xprt aging mark+sweep */
51#define XPT_DETACHED 10 /* detached from tempsocks list */
52#define XPT_LISTENER 11 /* listening endpoint */
53#define XPT_CACHE_AUTH 12 /* cache auth info */
54
55 struct svc_pool *xpt_pool; /* current pool iff queued */
56 struct svc_serv *xpt_server; /* service for transport */
57 atomic_t xpt_reserved; /* space on outq that is rsvd */
58 struct mutex xpt_mutex; /* to serialize sending data */
59 spinlock_t xpt_lock; /* protects sk_deferred
60 * and xpt_auth_cache */
61 void *xpt_auth_cache;/* auth cache */
62 struct list_head xpt_deferred; /* deferred requests that need
63 * to be revisted */
64 struct sockaddr_storage xpt_local; /* local address */
65 size_t xpt_locallen; /* length of address */
66 struct sockaddr_storage xpt_remote; /* remote peer's address */
67 size_t xpt_remotelen; /* length of address */
68};
69
70int svc_reg_xprt_class(struct svc_xprt_class *);
71void svc_unreg_xprt_class(struct svc_xprt_class *);
72void svc_xprt_init(struct svc_xprt_class *, struct svc_xprt *,
73 struct svc_serv *);
74int svc_create_xprt(struct svc_serv *, char *, unsigned short, int);
75void svc_xprt_enqueue(struct svc_xprt *xprt);
76void svc_xprt_received(struct svc_xprt *);
77void svc_xprt_put(struct svc_xprt *xprt);
78void svc_xprt_copy_addrs(struct svc_rqst *rqstp, struct svc_xprt *xprt);
79void svc_close_xprt(struct svc_xprt *xprt);
80void svc_delete_xprt(struct svc_xprt *xprt);
81int svc_port_is_privileged(struct sockaddr *sin);
82int svc_print_xprts(char *buf, int maxlen);
83struct svc_xprt *svc_find_xprt(struct svc_serv *, char *, int, int);
84int svc_xprt_names(struct svc_serv *serv, char *buf, int buflen);
85
86static inline void svc_xprt_get(struct svc_xprt *xprt)
87{
88 kref_get(&xprt->xpt_ref);
89}
90static inline void svc_xprt_set_local(struct svc_xprt *xprt,
91 struct sockaddr *sa, int salen)
92{
93 memcpy(&xprt->xpt_local, sa, salen);
94 xprt->xpt_locallen = salen;
95}
96static inline void svc_xprt_set_remote(struct svc_xprt *xprt,
97 struct sockaddr *sa, int salen)
98{
99 memcpy(&xprt->xpt_remote, sa, salen);
100 xprt->xpt_remotelen = salen;
101}
102static inline unsigned short svc_addr_port(struct sockaddr *sa)
103{
104 unsigned short ret = 0;
105 switch (sa->sa_family) {
106 case AF_INET:
107 ret = ntohs(((struct sockaddr_in *)sa)->sin_port);
108 break;
109 case AF_INET6:
110 ret = ntohs(((struct sockaddr_in6 *)sa)->sin6_port);
111 break;
112 }
113 return ret;
114}
115
116static inline size_t svc_addr_len(struct sockaddr *sa)
117{
118 switch (sa->sa_family) {
119 case AF_INET:
120 return sizeof(struct sockaddr_in);
121 case AF_INET6:
122 return sizeof(struct sockaddr_in6);
123 }
124 return -EAFNOSUPPORT;
125}
126
127static inline unsigned short svc_xprt_local_port(struct svc_xprt *xprt)
128{
129 return svc_addr_port((struct sockaddr *)&xprt->xpt_local);
130}
131
132static inline unsigned short svc_xprt_remote_port(struct svc_xprt *xprt)
133{
134 return svc_addr_port((struct sockaddr *)&xprt->xpt_remote);
135}
136
137static inline char *__svc_print_addr(struct sockaddr *addr,
138 char *buf, size_t len)
139{
140 switch (addr->sa_family) {
141 case AF_INET:
142 snprintf(buf, len, "%u.%u.%u.%u, port=%u",
143 NIPQUAD(((struct sockaddr_in *) addr)->sin_addr),
144 ntohs(((struct sockaddr_in *) addr)->sin_port));
145 break;
146
147 case AF_INET6:
148 snprintf(buf, len, "%x:%x:%x:%x:%x:%x:%x:%x, port=%u",
149 NIP6(((struct sockaddr_in6 *) addr)->sin6_addr),
150 ntohs(((struct sockaddr_in6 *) addr)->sin6_port));
151 break;
152
153 default:
154 snprintf(buf, len, "unknown address type: %d", addr->sa_family);
155 break;
156 }
157 return buf;
158}
159#endif /* SUNRPC_SVC_XPRT_H */
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index a53e0fa855d2..206f092ad4c7 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -10,42 +10,16 @@
10#define SUNRPC_SVCSOCK_H 10#define SUNRPC_SVCSOCK_H
11 11
12#include <linux/sunrpc/svc.h> 12#include <linux/sunrpc/svc.h>
13#include <linux/sunrpc/svc_xprt.h>
13 14
14/* 15/*
15 * RPC server socket. 16 * RPC server socket.
16 */ 17 */
17struct svc_sock { 18struct svc_sock {
18 struct list_head sk_ready; /* list of ready sockets */ 19 struct svc_xprt sk_xprt;
19 struct list_head sk_list; /* list of all sockets */
20 struct socket * sk_sock; /* berkeley socket layer */ 20 struct socket * sk_sock; /* berkeley socket layer */
21 struct sock * sk_sk; /* INET layer */ 21 struct sock * sk_sk; /* INET layer */
22 22
23 struct svc_pool * sk_pool; /* current pool iff queued */
24 struct svc_serv * sk_server; /* service for this socket */
25 atomic_t sk_inuse; /* use count */
26 unsigned long sk_flags;
27#define SK_BUSY 0 /* enqueued/receiving */
28#define SK_CONN 1 /* conn pending */
29#define SK_CLOSE 2 /* dead or dying */
30#define SK_DATA 3 /* data pending */
31#define SK_TEMP 4 /* temp (TCP) socket */
32#define SK_DEAD 6 /* socket closed */
33#define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */
34#define SK_DEFERRED 8 /* request on sk_deferred */
35#define SK_OLD 9 /* used for temp socket aging mark+sweep */
36#define SK_DETACHED 10 /* detached from tempsocks list */
37
38 atomic_t sk_reserved; /* space on outq that is reserved */
39
40 spinlock_t sk_lock; /* protects sk_deferred and
41 * sk_info_authunix */
42 struct list_head sk_deferred; /* deferred requests that need to
43 * be revisted */
44 struct mutex sk_mutex; /* to serialize sending data */
45
46 int (*sk_recvfrom)(struct svc_rqst *rqstp);
47 int (*sk_sendto)(struct svc_rqst *rqstp);
48
49 /* We keep the old state_change and data_ready CB's here */ 23 /* We keep the old state_change and data_ready CB's here */
50 void (*sk_ostate)(struct sock *); 24 void (*sk_ostate)(struct sock *);
51 void (*sk_odata)(struct sock *, int bytes); 25 void (*sk_odata)(struct sock *, int bytes);
@@ -54,21 +28,12 @@ struct svc_sock {
54 /* private TCP part */ 28 /* private TCP part */
55 int sk_reclen; /* length of record */ 29 int sk_reclen; /* length of record */
56 int sk_tcplen; /* current read length */ 30 int sk_tcplen; /* current read length */
57 time_t sk_lastrecv; /* time of last received request */
58
59 /* cache of various info for TCP sockets */
60 void *sk_info_authunix;
61
62 struct sockaddr_storage sk_local; /* local address */
63 struct sockaddr_storage sk_remote; /* remote peer's address */
64 int sk_remotelen; /* length of address */
65}; 31};
66 32
67/* 33/*
68 * Function prototypes. 34 * Function prototypes.
69 */ 35 */
70int svc_makesock(struct svc_serv *, int, unsigned short, int flags); 36void svc_close_all(struct list_head *);
71void svc_force_close_socket(struct svc_sock *);
72int svc_recv(struct svc_rqst *, long); 37int svc_recv(struct svc_rqst *, long);
73int svc_send(struct svc_rqst *); 38int svc_send(struct svc_rqst *);
74void svc_drop(struct svc_rqst *); 39void svc_drop(struct svc_rqst *);
@@ -78,6 +43,8 @@ int svc_addsock(struct svc_serv *serv,
78 int fd, 43 int fd,
79 char *name_return, 44 char *name_return,
80 int *proto); 45 int *proto);
46void svc_init_xprt_sock(void);
47void svc_cleanup_xprt_sock(void);
81 48
82/* 49/*
83 * svc_makesock socket characteristics 50 * svc_makesock socket characteristics
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 0751c9464d0f..e4057d729f03 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -112,7 +112,8 @@ struct xdr_buf {
112__be32 *xdr_encode_opaque_fixed(__be32 *p, const void *ptr, unsigned int len); 112__be32 *xdr_encode_opaque_fixed(__be32 *p, const void *ptr, unsigned int len);
113__be32 *xdr_encode_opaque(__be32 *p, const void *ptr, unsigned int len); 113__be32 *xdr_encode_opaque(__be32 *p, const void *ptr, unsigned int len);
114__be32 *xdr_encode_string(__be32 *p, const char *s); 114__be32 *xdr_encode_string(__be32 *p, const char *s);
115__be32 *xdr_decode_string_inplace(__be32 *p, char **sp, int *lenp, int maxlen); 115__be32 *xdr_decode_string_inplace(__be32 *p, char **sp, unsigned int *lenp,
116 unsigned int maxlen);
116__be32 *xdr_encode_netobj(__be32 *p, const struct xdr_netobj *); 117__be32 *xdr_encode_netobj(__be32 *p, const struct xdr_netobj *);
117__be32 *xdr_decode_netobj(__be32 *p, struct xdr_netobj *); 118__be32 *xdr_decode_netobj(__be32 *p, struct xdr_netobj *);
118 119