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-rw-r--r--net/dccp/dccp.h186
1 files changed, 90 insertions, 96 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 708e75bf623d..30948784dd58 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -53,7 +53,7 @@ extern struct inet_hashinfo dccp_hashinfo;
53 53
54extern struct percpu_counter dccp_orphan_count; 54extern struct percpu_counter dccp_orphan_count;
55 55
56extern void dccp_time_wait(struct sock *sk, int state, int timeo); 56void dccp_time_wait(struct sock *sk, int state, int timeo);
57 57
58/* 58/*
59 * Set safe upper bounds for header and option length. Since Data Offset is 8 59 * Set safe upper bounds for header and option length. Since Data Offset is 8
@@ -224,114 +224,108 @@ static inline void dccp_csum_outgoing(struct sk_buff *skb)
224 skb->csum = skb_checksum(skb, 0, (cov > skb->len)? skb->len : cov, 0); 224 skb->csum = skb_checksum(skb, 0, (cov > skb->len)? skb->len : cov, 0);
225} 225}
226 226
227extern void dccp_v4_send_check(struct sock *sk, struct sk_buff *skb); 227void dccp_v4_send_check(struct sock *sk, struct sk_buff *skb);
228 228
229extern int dccp_retransmit_skb(struct sock *sk); 229int dccp_retransmit_skb(struct sock *sk);
230 230
231extern void dccp_send_ack(struct sock *sk); 231void dccp_send_ack(struct sock *sk);
232extern void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb, 232void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
233 struct request_sock *rsk); 233 struct request_sock *rsk);
234 234
235extern void dccp_send_sync(struct sock *sk, const u64 seq, 235void dccp_send_sync(struct sock *sk, const u64 seq,
236 const enum dccp_pkt_type pkt_type); 236 const enum dccp_pkt_type pkt_type);
237 237
238/* 238/*
239 * TX Packet Dequeueing Interface 239 * TX Packet Dequeueing Interface
240 */ 240 */
241extern void dccp_qpolicy_push(struct sock *sk, struct sk_buff *skb); 241void dccp_qpolicy_push(struct sock *sk, struct sk_buff *skb);
242extern bool dccp_qpolicy_full(struct sock *sk); 242bool dccp_qpolicy_full(struct sock *sk);
243extern void dccp_qpolicy_drop(struct sock *sk, struct sk_buff *skb); 243void dccp_qpolicy_drop(struct sock *sk, struct sk_buff *skb);
244extern struct sk_buff *dccp_qpolicy_top(struct sock *sk); 244struct sk_buff *dccp_qpolicy_top(struct sock *sk);
245extern struct sk_buff *dccp_qpolicy_pop(struct sock *sk); 245struct sk_buff *dccp_qpolicy_pop(struct sock *sk);
246extern bool dccp_qpolicy_param_ok(struct sock *sk, __be32 param); 246bool dccp_qpolicy_param_ok(struct sock *sk, __be32 param);
247 247
248/* 248/*
249 * TX Packet Output and TX Timers 249 * TX Packet Output and TX Timers
250 */ 250 */
251extern void dccp_write_xmit(struct sock *sk); 251void dccp_write_xmit(struct sock *sk);
252extern void dccp_write_space(struct sock *sk); 252void dccp_write_space(struct sock *sk);
253extern void dccp_flush_write_queue(struct sock *sk, long *time_budget); 253void dccp_flush_write_queue(struct sock *sk, long *time_budget);
254 254
255extern void dccp_init_xmit_timers(struct sock *sk); 255void dccp_init_xmit_timers(struct sock *sk);
256static inline void dccp_clear_xmit_timers(struct sock *sk) 256static inline void dccp_clear_xmit_timers(struct sock *sk)
257{ 257{
258 inet_csk_clear_xmit_timers(sk); 258 inet_csk_clear_xmit_timers(sk);
259} 259}
260 260
261extern unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu); 261unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu);
262 262
263extern const char *dccp_packet_name(const int type); 263const char *dccp_packet_name(const int type);
264 264
265extern void dccp_set_state(struct sock *sk, const int state); 265void dccp_set_state(struct sock *sk, const int state);
266extern void dccp_done(struct sock *sk); 266void dccp_done(struct sock *sk);
267 267
268extern int dccp_reqsk_init(struct request_sock *rq, struct dccp_sock const *dp, 268int dccp_reqsk_init(struct request_sock *rq, struct dccp_sock const *dp,
269 struct sk_buff const *skb); 269 struct sk_buff const *skb);
270 270
271extern int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb); 271int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb);
272 272
273extern struct sock *dccp_create_openreq_child(struct sock *sk, 273struct sock *dccp_create_openreq_child(struct sock *sk,
274 const struct request_sock *req, 274 const struct request_sock *req,
275 const struct sk_buff *skb); 275 const struct sk_buff *skb);
276 276
277extern int dccp_v4_do_rcv(struct sock *sk, struct sk_buff *skb); 277int dccp_v4_do_rcv(struct sock *sk, struct sk_buff *skb);
278 278
279extern struct sock *dccp_v4_request_recv_sock(struct sock *sk, 279struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
280 struct sk_buff *skb, 280 struct request_sock *req,
281 struct request_sock *req, 281 struct dst_entry *dst);
282 struct dst_entry *dst); 282struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
283extern struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb, 283 struct request_sock *req,
284 struct request_sock *req, 284 struct request_sock **prev);
285 struct request_sock **prev);
286 285
287extern int dccp_child_process(struct sock *parent, struct sock *child, 286int dccp_child_process(struct sock *parent, struct sock *child,
288 struct sk_buff *skb); 287 struct sk_buff *skb);
289extern int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, 288int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
290 struct dccp_hdr *dh, unsigned int len); 289 struct dccp_hdr *dh, unsigned int len);
291extern int dccp_rcv_established(struct sock *sk, struct sk_buff *skb, 290int dccp_rcv_established(struct sock *sk, struct sk_buff *skb,
292 const struct dccp_hdr *dh, const unsigned int len); 291 const struct dccp_hdr *dh, const unsigned int len);
293 292
294extern int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized); 293int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized);
295extern void dccp_destroy_sock(struct sock *sk); 294void dccp_destroy_sock(struct sock *sk);
296 295
297extern void dccp_close(struct sock *sk, long timeout); 296void dccp_close(struct sock *sk, long timeout);
298extern struct sk_buff *dccp_make_response(struct sock *sk, 297struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
299 struct dst_entry *dst, 298 struct request_sock *req);
300 struct request_sock *req);
301 299
302extern int dccp_connect(struct sock *sk); 300int dccp_connect(struct sock *sk);
303extern int dccp_disconnect(struct sock *sk, int flags); 301int dccp_disconnect(struct sock *sk, int flags);
304extern int dccp_getsockopt(struct sock *sk, int level, int optname, 302int dccp_getsockopt(struct sock *sk, int level, int optname,
305 char __user *optval, int __user *optlen); 303 char __user *optval, int __user *optlen);
306extern int dccp_setsockopt(struct sock *sk, int level, int optname, 304int dccp_setsockopt(struct sock *sk, int level, int optname,
307 char __user *optval, unsigned int optlen); 305 char __user *optval, unsigned int optlen);
308#ifdef CONFIG_COMPAT 306#ifdef CONFIG_COMPAT
309extern int compat_dccp_getsockopt(struct sock *sk, 307int compat_dccp_getsockopt(struct sock *sk, int level, int optname,
310 int level, int optname, 308 char __user *optval, int __user *optlen);
311 char __user *optval, int __user *optlen); 309int compat_dccp_setsockopt(struct sock *sk, int level, int optname,
312extern int compat_dccp_setsockopt(struct sock *sk, 310 char __user *optval, unsigned int optlen);
313 int level, int optname,
314 char __user *optval, unsigned int optlen);
315#endif 311#endif
316extern int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg); 312int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
317extern int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, 313int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
318 struct msghdr *msg, size_t size); 314 size_t size);
319extern int dccp_recvmsg(struct kiocb *iocb, struct sock *sk, 315int dccp_recvmsg(struct kiocb *iocb, struct sock *sk,
320 struct msghdr *msg, size_t len, int nonblock, 316 struct msghdr *msg, size_t len, int nonblock, int flags,
321 int flags, int *addr_len); 317 int *addr_len);
322extern void dccp_shutdown(struct sock *sk, int how); 318void dccp_shutdown(struct sock *sk, int how);
323extern int inet_dccp_listen(struct socket *sock, int backlog); 319int inet_dccp_listen(struct socket *sock, int backlog);
324extern unsigned int dccp_poll(struct file *file, struct socket *sock, 320unsigned int dccp_poll(struct file *file, struct socket *sock,
325 poll_table *wait); 321 poll_table *wait);
326extern int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, 322int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
327 int addr_len); 323
328 324struct sk_buff *dccp_ctl_make_reset(struct sock *sk, struct sk_buff *skb);
329extern struct sk_buff *dccp_ctl_make_reset(struct sock *sk, 325int dccp_send_reset(struct sock *sk, enum dccp_reset_codes code);
330 struct sk_buff *skb); 326void dccp_send_close(struct sock *sk, const int active);
331extern int dccp_send_reset(struct sock *sk, enum dccp_reset_codes code); 327int dccp_invalid_packet(struct sk_buff *skb);
332extern void dccp_send_close(struct sock *sk, const int active); 328u32 dccp_sample_rtt(struct sock *sk, long delta);
333extern int dccp_invalid_packet(struct sk_buff *skb);
334extern u32 dccp_sample_rtt(struct sock *sk, long delta);
335 329
336static inline int dccp_bad_service_code(const struct sock *sk, 330static inline int dccp_bad_service_code(const struct sock *sk,
337 const __be32 service) 331 const __be32 service)
@@ -475,25 +469,25 @@ static inline int dccp_ack_pending(const struct sock *sk)
475 return dccp_ackvec_pending(sk) || inet_csk_ack_scheduled(sk); 469 return dccp_ackvec_pending(sk) || inet_csk_ack_scheduled(sk);
476} 470}
477 471
478extern int dccp_feat_signal_nn_change(struct sock *sk, u8 feat, u64 nn_val); 472int dccp_feat_signal_nn_change(struct sock *sk, u8 feat, u64 nn_val);
479extern int dccp_feat_finalise_settings(struct dccp_sock *dp); 473int dccp_feat_finalise_settings(struct dccp_sock *dp);
480extern int dccp_feat_server_ccid_dependencies(struct dccp_request_sock *dreq); 474int dccp_feat_server_ccid_dependencies(struct dccp_request_sock *dreq);
481extern int dccp_feat_insert_opts(struct dccp_sock*, struct dccp_request_sock*, 475int dccp_feat_insert_opts(struct dccp_sock*, struct dccp_request_sock*,
482 struct sk_buff *skb); 476 struct sk_buff *skb);
483extern int dccp_feat_activate_values(struct sock *sk, struct list_head *fn); 477int dccp_feat_activate_values(struct sock *sk, struct list_head *fn);
484extern void dccp_feat_list_purge(struct list_head *fn_list); 478void dccp_feat_list_purge(struct list_head *fn_list);
485 479
486extern int dccp_insert_options(struct sock *sk, struct sk_buff *skb); 480int dccp_insert_options(struct sock *sk, struct sk_buff *skb);
487extern int dccp_insert_options_rsk(struct dccp_request_sock*, struct sk_buff*); 481int dccp_insert_options_rsk(struct dccp_request_sock *, struct sk_buff *);
488extern int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed); 482int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed);
489extern u32 dccp_timestamp(void); 483u32 dccp_timestamp(void);
490extern void dccp_timestamping_init(void); 484void dccp_timestamping_init(void);
491extern int dccp_insert_option(struct sk_buff *skb, unsigned char option, 485int dccp_insert_option(struct sk_buff *skb, unsigned char option,
492 const void *value, unsigned char len); 486 const void *value, unsigned char len);
493 487
494#ifdef CONFIG_SYSCTL 488#ifdef CONFIG_SYSCTL
495extern int dccp_sysctl_init(void); 489int dccp_sysctl_init(void);
496extern void dccp_sysctl_exit(void); 490void dccp_sysctl_exit(void);
497#else 491#else
498static inline int dccp_sysctl_init(void) 492static inline int dccp_sysctl_init(void)
499{ 493{