diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/sunrpc/svc_xprt.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/sunrpc/svc_xprt.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/ANDROID_3.4.5/include/linux/sunrpc/svc_xprt.h b/ANDROID_3.4.5/include/linux/sunrpc/svc_xprt.h deleted file mode 100644 index b3f64b12..00000000 --- a/ANDROID_3.4.5/include/linux/sunrpc/svc_xprt.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - * linux/include/linux/sunrpc/svc_xprt.h - * - * RPC server transport I/O - */ - -#ifndef SUNRPC_SVC_XPRT_H -#define SUNRPC_SVC_XPRT_H - -#include <linux/sunrpc/svc.h> - -struct module; - -struct svc_xprt_ops { - struct svc_xprt *(*xpo_create)(struct svc_serv *, - struct net *net, - struct sockaddr *, int, - int); - struct svc_xprt *(*xpo_accept)(struct svc_xprt *); - int (*xpo_has_wspace)(struct svc_xprt *); - int (*xpo_recvfrom)(struct svc_rqst *); - void (*xpo_prep_reply_hdr)(struct svc_rqst *); - int (*xpo_sendto)(struct svc_rqst *); - void (*xpo_release_rqst)(struct svc_rqst *); - void (*xpo_detach)(struct svc_xprt *); - void (*xpo_free)(struct svc_xprt *); -}; - -struct svc_xprt_class { - const char *xcl_name; - struct module *xcl_owner; - struct svc_xprt_ops *xcl_ops; - struct list_head xcl_list; - u32 xcl_max_payload; -}; - -/* - * This is embedded in an object that wants a callback before deleting - * an xprt; intended for use by NFSv4.1, which needs to know when a - * client's tcp connection (and hence possibly a backchannel) goes away. - */ -struct svc_xpt_user { - struct list_head list; - void (*callback)(struct svc_xpt_user *); -}; - -struct svc_xprt { - struct svc_xprt_class *xpt_class; - struct svc_xprt_ops *xpt_ops; - struct kref xpt_ref; - struct list_head xpt_list; - struct list_head xpt_ready; - unsigned long xpt_flags; -#define XPT_BUSY 0 /* enqueued/receiving */ -#define XPT_CONN 1 /* conn pending */ -#define XPT_CLOSE 2 /* dead or dying */ -#define XPT_DATA 3 /* data pending */ -#define XPT_TEMP 4 /* connected transport */ -#define XPT_DEAD 6 /* transport closed */ -#define XPT_CHNGBUF 7 /* need to change snd/rcv buf sizes */ -#define XPT_DEFERRED 8 /* deferred request pending */ -#define XPT_OLD 9 /* used for xprt aging mark+sweep */ -#define XPT_DETACHED 10 /* detached from tempsocks list */ -#define XPT_LISTENER 11 /* listening endpoint */ -#define XPT_CACHE_AUTH 12 /* cache auth info */ - - struct svc_serv *xpt_server; /* service for transport */ - atomic_t xpt_reserved; /* space on outq that is rsvd */ - struct mutex xpt_mutex; /* to serialize sending data */ - spinlock_t xpt_lock; /* protects sk_deferred - * and xpt_auth_cache */ - void *xpt_auth_cache;/* auth cache */ - struct list_head xpt_deferred; /* deferred requests that need - * to be revisted */ - struct sockaddr_storage xpt_local; /* local address */ - size_t xpt_locallen; /* length of address */ - struct sockaddr_storage xpt_remote; /* remote peer's address */ - size_t xpt_remotelen; /* length of address */ - struct rpc_wait_queue xpt_bc_pending; /* backchannel wait queue */ - struct list_head xpt_users; /* callbacks on free */ - - struct net *xpt_net; - struct rpc_xprt *xpt_bc_xprt; /* NFSv4.1 backchannel */ -}; - -static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) -{ - spin_lock(&xpt->xpt_lock); - list_del_init(&u->list); - spin_unlock(&xpt->xpt_lock); -} - -static inline int register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) -{ - spin_lock(&xpt->xpt_lock); - if (test_bit(XPT_CLOSE, &xpt->xpt_flags)) { - /* - * The connection is about to be deleted soon (or, - * worse, may already be deleted--in which case we've - * already notified the xpt_users). - */ - spin_unlock(&xpt->xpt_lock); - return -ENOTCONN; - } - list_add(&u->list, &xpt->xpt_users); - spin_unlock(&xpt->xpt_lock); - return 0; -} - -int svc_reg_xprt_class(struct svc_xprt_class *); -void svc_unreg_xprt_class(struct svc_xprt_class *); -void svc_xprt_init(struct net *, struct svc_xprt_class *, struct svc_xprt *, - struct svc_serv *); -int svc_create_xprt(struct svc_serv *, const char *, struct net *, - const int, const unsigned short, int); -void svc_xprt_enqueue(struct svc_xprt *xprt); -void svc_xprt_received(struct svc_xprt *); -void svc_xprt_put(struct svc_xprt *xprt); -void svc_xprt_copy_addrs(struct svc_rqst *rqstp, struct svc_xprt *xprt); -void svc_close_xprt(struct svc_xprt *xprt); -int svc_port_is_privileged(struct sockaddr *sin); -int svc_print_xprts(char *buf, int maxlen); -struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name, - struct net *net, const sa_family_t af, - const unsigned short port); -int svc_xprt_names(struct svc_serv *serv, char *buf, const int buflen); - -static inline void svc_xprt_get(struct svc_xprt *xprt) -{ - kref_get(&xprt->xpt_ref); -} -static inline void svc_xprt_set_local(struct svc_xprt *xprt, - const struct sockaddr *sa, - const size_t salen) -{ - memcpy(&xprt->xpt_local, sa, salen); - xprt->xpt_locallen = salen; -} -static inline void svc_xprt_set_remote(struct svc_xprt *xprt, - const struct sockaddr *sa, - const size_t salen) -{ - memcpy(&xprt->xpt_remote, sa, salen); - xprt->xpt_remotelen = salen; -} -static inline unsigned short svc_addr_port(const struct sockaddr *sa) -{ - const struct sockaddr_in *sin = (const struct sockaddr_in *)sa; - const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sa; - - switch (sa->sa_family) { - case AF_INET: - return ntohs(sin->sin_port); - case AF_INET6: - return ntohs(sin6->sin6_port); - } - - return 0; -} - -static inline size_t svc_addr_len(const struct sockaddr *sa) -{ - switch (sa->sa_family) { - case AF_INET: - return sizeof(struct sockaddr_in); - case AF_INET6: - return sizeof(struct sockaddr_in6); - } - - return 0; -} - -static inline unsigned short svc_xprt_local_port(const struct svc_xprt *xprt) -{ - return svc_addr_port((const struct sockaddr *)&xprt->xpt_local); -} - -static inline unsigned short svc_xprt_remote_port(const struct svc_xprt *xprt) -{ - return svc_addr_port((const struct sockaddr *)&xprt->xpt_remote); -} - -static inline char *__svc_print_addr(const struct sockaddr *addr, - char *buf, const size_t len) -{ - const struct sockaddr_in *sin = (const struct sockaddr_in *)addr; - const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)addr; - - switch (addr->sa_family) { - case AF_INET: - snprintf(buf, len, "%pI4, port=%u", &sin->sin_addr, - ntohs(sin->sin_port)); - break; - - case AF_INET6: - snprintf(buf, len, "%pI6, port=%u", - &sin6->sin6_addr, - ntohs(sin6->sin6_port)); - break; - - default: - snprintf(buf, len, "unknown address type: %d", addr->sa_family); - break; - } - - return buf; -} -#endif /* SUNRPC_SVC_XPRT_H */ |