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-rw-r--r--include/linux/dccp.h51
1 files changed, 4 insertions, 47 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 61734e27abb7..7434a8353e23 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -355,46 +355,6 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
355 return __dccp_hdr_len(dccp_hdr(skb)); 355 return __dccp_hdr_len(dccp_hdr(skb));
356} 356}
357 357
358
359/* initial values for each feature */
360#define DCCPF_INITIAL_SEQUENCE_WINDOW 100
361#define DCCPF_INITIAL_ACK_RATIO 2
362#define DCCPF_INITIAL_CCID DCCPC_CCID2
363/* FIXME: for now we're default to 1 but it should really be 0 */
364#define DCCPF_INITIAL_SEND_NDP_COUNT 1
365
366/**
367 * struct dccp_minisock - Minimal DCCP connection representation
368 *
369 * Will be used to pass the state from dccp_request_sock to dccp_sock.
370 *
371 * @dccpms_sequence_window - Sequence Window Feature (section 7.5.2)
372 * @dccpms_pending - List of features being negotiated
373 * @dccpms_conf -
374 */
375struct dccp_minisock {
376 __u64 dccpms_sequence_window;
377 struct list_head dccpms_pending;
378 struct list_head dccpms_conf;
379};
380
381struct dccp_opt_conf {
382 __u8 *dccpoc_val;
383 __u8 dccpoc_len;
384};
385
386struct dccp_opt_pend {
387 struct list_head dccpop_node;
388 __u8 dccpop_type;
389 __u8 dccpop_feat;
390 __u8 *dccpop_val;
391 __u8 dccpop_len;
392 int dccpop_conf;
393 struct dccp_opt_conf *dccpop_sc;
394};
395
396extern void dccp_minisock_init(struct dccp_minisock *dmsk);
397
398/** 358/**
399 * struct dccp_request_sock - represent DCCP-specific connection request 359 * struct dccp_request_sock - represent DCCP-specific connection request
400 * @dreq_inet_rsk: structure inherited from 360 * @dreq_inet_rsk: structure inherited from
@@ -483,13 +443,14 @@ struct dccp_ackvec;
483 * @dccps_timestamp_time - time of receiving latest @dccps_timestamp_echo 443 * @dccps_timestamp_time - time of receiving latest @dccps_timestamp_echo
484 * @dccps_l_ack_ratio - feature-local Ack Ratio 444 * @dccps_l_ack_ratio - feature-local Ack Ratio
485 * @dccps_r_ack_ratio - feature-remote Ack Ratio 445 * @dccps_r_ack_ratio - feature-remote Ack Ratio
446 * @dccps_l_seq_win - local Sequence Window (influences ack number validity)
447 * @dccps_r_seq_win - remote Sequence Window (influences seq number validity)
486 * @dccps_pcslen - sender partial checksum coverage (via sockopt) 448 * @dccps_pcslen - sender partial checksum coverage (via sockopt)
487 * @dccps_pcrlen - receiver partial checksum coverage (via sockopt) 449 * @dccps_pcrlen - receiver partial checksum coverage (via sockopt)
488 * @dccps_send_ndp_count - local Send NDP Count feature (7.7.2) 450 * @dccps_send_ndp_count - local Send NDP Count feature (7.7.2)
489 * @dccps_ndp_count - number of Non Data Packets since last data packet 451 * @dccps_ndp_count - number of Non Data Packets since last data packet
490 * @dccps_mss_cache - current value of MSS (path MTU minus header sizes) 452 * @dccps_mss_cache - current value of MSS (path MTU minus header sizes)
491 * @dccps_rate_last - timestamp for rate-limiting DCCP-Sync (RFC 4340, 7.5.4) 453 * @dccps_rate_last - timestamp for rate-limiting DCCP-Sync (RFC 4340, 7.5.4)
492 * @dccps_minisock - associated minisock (accessed via dccp_msk)
493 * @dccps_featneg - tracks feature-negotiation state (mostly during handshake) 454 * @dccps_featneg - tracks feature-negotiation state (mostly during handshake)
494 * @dccps_hc_rx_ackvec - rx half connection ack vector 455 * @dccps_hc_rx_ackvec - rx half connection ack vector
495 * @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection) 456 * @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection)
@@ -523,12 +484,13 @@ struct dccp_sock {
523 __u32 dccps_timestamp_time; 484 __u32 dccps_timestamp_time;
524 __u16 dccps_l_ack_ratio; 485 __u16 dccps_l_ack_ratio;
525 __u16 dccps_r_ack_ratio; 486 __u16 dccps_r_ack_ratio;
487 __u64 dccps_l_seq_win:48;
488 __u64 dccps_r_seq_win:48;
526 __u8 dccps_pcslen:4; 489 __u8 dccps_pcslen:4;
527 __u8 dccps_pcrlen:4; 490 __u8 dccps_pcrlen:4;
528 __u8 dccps_send_ndp_count:1; 491 __u8 dccps_send_ndp_count:1;
529 __u64 dccps_ndp_count:48; 492 __u64 dccps_ndp_count:48;
530 unsigned long dccps_rate_last; 493 unsigned long dccps_rate_last;
531 struct dccp_minisock dccps_minisock;
532 struct list_head dccps_featneg; 494 struct list_head dccps_featneg;
533 struct dccp_ackvec *dccps_hc_rx_ackvec; 495 struct dccp_ackvec *dccps_hc_rx_ackvec;
534 struct ccid *dccps_hc_rx_ccid; 496 struct ccid *dccps_hc_rx_ccid;
@@ -546,11 +508,6 @@ static inline struct dccp_sock *dccp_sk(const struct sock *sk)
546 return (struct dccp_sock *)sk; 508 return (struct dccp_sock *)sk;
547} 509}
548 510
549static inline struct dccp_minisock *dccp_msk(const struct sock *sk)
550{
551 return (struct dccp_minisock *)&dccp_sk(sk)->dccps_minisock;
552}
553
554static inline const char *dccp_role(const struct sock *sk) 511static inline const char *dccp_role(const struct sock *sk)
555{ 512{
556 switch (dccp_sk(sk)->dccps_role) { 513 switch (dccp_sk(sk)->dccps_role) {