diff options
Diffstat (limited to 'sys/netinet/sctp_structs.h')
| -rw-r--r-- | sys/netinet/sctp_structs.h | 85 |
1 files changed, 81 insertions, 4 deletions
diff --git a/sys/netinet/sctp_structs.h b/sys/netinet/sctp_structs.h index 3274860..f4d7835 100644 --- a/sys/netinet/sctp_structs.h +++ b/sys/netinet/sctp_structs.h @@ -144,13 +144,36 @@ struct sctp_asconf_iterator { int cnt; }; - struct sctp_net_route { sctp_rtentry_t *ro_rt; union sctp_sockstore _l_addr; /* remote peer addr */ struct sctp_ifa *_s_addr; /* our selected src addr */ }; +struct htcp { + uint16_t alpha; /* Fixed point arith, << 7 */ + uint8_t beta; /* Fixed point arith, << 7 */ + uint8_t modeswitch; /* Delay modeswitch until we had at least one + * congestion event */ + uint32_t last_cong; /* Time since last congestion event end */ + uint32_t undo_last_cong; + uint16_t bytes_acked; + uint32_t bytecount; + uint32_t minRTT; + uint32_t maxRTT; + + uint32_t undo_maxRTT; + uint32_t undo_old_maxB; + + /* Bandwidth estimation */ + uint32_t minB; + uint32_t maxB; + uint32_t old_maxB; + uint32_t Bi; + uint32_t lasttime; +}; + + struct sctp_nets { TAILQ_ENTRY(sctp_nets) sctp_next; /* next link */ @@ -198,6 +221,12 @@ struct sctp_nets { unsigned int net_ack2; /* + * JRS - 5/8/07 - Variable to track last time a destination was + * active for CMT PF + */ + uint32_t last_active; + + /* * CMT variables (iyengar@cis.udel.edu) */ uint32_t this_sack_highest_newack; /* tracks highest TSN newly @@ -263,9 +292,9 @@ struct sctp_nets { * rtx-pseudo-cumack has been received */ uint8_t window_probe; /* Doing a window probe? */ uint8_t RTO_measured; /* Have we done the first measure */ -#ifdef SCTP_HIGH_SPEED uint8_t last_hs_used; /* index into the last HS table entry we used */ -#endif + /* JRS - struct used in HTCP algorithm */ + struct htcp htcp_ca; }; @@ -462,7 +491,15 @@ struct sctp_tsn_log { uint16_t flgs; }; - +#define SCTP_FS_SPEC_LOG_SIZE 200 +struct sctp_fs_spec_log { + uint32_t sent; + uint32_t total_flight; + uint32_t tsn; + uint16_t book; + uint8_t incr; + uint8_t decr; +}; /* This struct is here to cut out the compatiabilty * pad that bulks up both the inp and stcb. The non @@ -483,6 +520,31 @@ struct sctp_nonpad_sndrcvinfo { }; /* + * JRS - Structure to hold function pointers to the functions responsible + * for congestion control. + */ + +struct sctp_cc_functions { + void (*sctp_set_initial_cc_param) (struct sctp_tcb *stcb, struct sctp_nets *net); + void (*sctp_cwnd_update_after_sack) (struct sctp_tcb *stcb, + struct sctp_association *asoc, + int accum_moved, int reneged_all, int will_exit); + void (*sctp_cwnd_update_after_fr) (struct sctp_tcb *stcb, + struct sctp_association *asoc); + void (*sctp_cwnd_update_after_timeout) (struct sctp_tcb *stcb, + struct sctp_nets *net); + void (*sctp_cwnd_update_after_ecn_echo) (struct sctp_tcb *stcb, + struct sctp_nets *net); + void (*sctp_cwnd_update_after_packet_dropped) (struct sctp_tcb *stcb, + struct sctp_nets *net, struct sctp_pktdrop_chunk *cp, + uint32_t * bottle_bw, uint32_t * on_queue); + void (*sctp_cwnd_update_after_output) (struct sctp_tcb *stcb, + struct sctp_nets *net, int burst_limit); + void (*sctp_cwnd_update_after_fr_timer) (struct sctp_inpcb *inp, + struct sctp_tcb *stcb, struct sctp_nets *net); +}; + +/* * Here we have information about each individual association that we track. * We probably in production would be more dynamic. But for ease of * implementation we will have a fixed array that we hunt for in a linear @@ -598,6 +660,14 @@ struct sctp_association { /* queue of chunks waiting to be sent into the local stack */ struct sctp_readhead pending_reply_queue; + /* JRS - the congestion control functions are in this struct */ + struct sctp_cc_functions cc_functions; + /* + * JRS - value to store the currently loaded congestion control + * module + */ + uint32_t congestion_control_module; + uint32_t vrf_id; uint32_t cookie_preserve_req; @@ -696,6 +766,11 @@ struct sctp_association { uint16_t tsn_in_wrapped; uint16_t tsn_out_wrapped; #endif /* SCTP_ASOCLOG_OF_TSNS */ +#ifdef SCTP_FS_SPEC_LOG + struct sctp_fs_spec_log fslog[SCTP_FS_SPEC_LOG_SIZE]; + uint16_t fs_index; +#endif + /* * window state information and smallest MTU that I use to bound * segmentation @@ -926,6 +1001,8 @@ struct sctp_association { uint8_t sctp_cmt_on_off; uint8_t iam_blocking; uint8_t cookie_how[8]; + /* JRS 5/21/07 - CMT PF variable */ + uint8_t sctp_cmt_pf; /* * The mapping array is used to track out of order sequences above * last_acked_seq. 0 indicates packet missing 1 indicates packet |
