diff options
author | tuexen <tuexen@FreeBSD.org> | 2014-08-22 20:26:20 +0000 |
---|---|---|
committer | tuexen <tuexen@FreeBSD.org> | 2014-08-22 20:26:20 +0000 |
commit | 9db28b75f0aec8ddfe352de0c5b8e13dd51c5cb1 (patch) | |
tree | 64ab7500bf3f6439dd3918dce4d107163abc3e86 | |
parent | fcd4ba9eaabfa53f01ae9c54fc6bdbfd9a91ffa1 (diff) | |
download | FreeBSD-src-9db28b75f0aec8ddfe352de0c5b8e13dd51c5cb1.zip FreeBSD-src-9db28b75f0aec8ddfe352de0c5b8e13dd51c5cb1.tar.gz |
MFC r269945:
Add support for the SCTP_PR_STREAM_STATUS and SCTP_PR_ASSOC_STATUS
socket options. This includes managing the correspoing stat counters.
Add the SCTP_DETAILED_STR_STATS kernel option to control per policy
counters on every stream. The default is off and only an aggregated
counter is available. This is sufficient for the RTCWeb usecase.
-rw-r--r-- | lib/libc/net/sctp_sys_calls.c | 6 | ||||
-rw-r--r-- | sys/conf/options | 1 | ||||
-rw-r--r-- | sys/netinet/sctp.h | 2 | ||||
-rw-r--r-- | sys/netinet/sctp_input.c | 14 | ||||
-rw-r--r-- | sys/netinet/sctp_output.c | 28 | ||||
-rw-r--r-- | sys/netinet/sctp_structs.h | 10 | ||||
-rw-r--r-- | sys/netinet/sctp_uio.h | 19 | ||||
-rw-r--r-- | sys/netinet/sctp_usrreq.c | 66 | ||||
-rw-r--r-- | sys/netinet/sctputil.c | 33 |
9 files changed, 176 insertions, 3 deletions
diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c index 6a57061..91527c3 100644 --- a/lib/libc/net/sctp_sys_calls.c +++ b/lib/libc/net/sctp_sys_calls.c @@ -377,6 +377,12 @@ sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) case SCTP_ENABLE_STREAM_RESET: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; + case SCTP_PR_STREAM_STATUS: + ((struct sctp_prstatus *)arg)->sprstat_assoc_id = id; + break; + case SCTP_PR_ASSOC_STATUS: + ((struct sctp_prstatus *)arg)->sprstat_assoc_id = id; + break; default: break; } diff --git a/sys/conf/options b/sys/conf/options index e24e8ff..33ce752 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -459,6 +459,7 @@ SCTP_LTRACE_ERRORS opt_sctp.h # Log to KTR error returns. SCTP_USE_PERCPU_STAT opt_sctp.h # Use per cpu stats. SCTP_MCORE_INPUT opt_sctp.h # Have multiple input threads for input mbufs SCTP_LOCAL_TRACE_BUF opt_sctp.h # Use tracebuffer exported via sysctl +SCTP_DETAILED_STR_STATS opt_sctp.h # Use per PR-SCTP policy stream stats # # # diff --git a/sys/netinet/sctp.h b/sys/netinet/sctp.h index c2497a7..9b795ed 100644 --- a/sys/netinet/sctp.h +++ b/sys/netinet/sctp.h @@ -140,6 +140,8 @@ struct sctp_paramhdr { #define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ #define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ #define SCTP_TIMEOUTS 0x00000106 +#define SCTP_PR_STREAM_STATUS 0x00000107 +#define SCTP_PR_ASSOC_STATUS 0x00000108 /* * user socket options: BSD implementation specific diff --git a/sys/netinet/sctp_input.c b/sys/netinet/sctp_input.c index 49503c5..420148d 100644 --- a/sys/netinet/sctp_input.c +++ b/sys/netinet/sctp_input.c @@ -1469,6 +1469,11 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset, int spec_flag = 0; uint32_t how_indx; +#if defined(SCTP_DETAILED_STR_STATS) + int j; + +#endif + net = *netp; /* I know that the TCB is non-NULL from the caller */ asoc = &stcb->asoc; @@ -1931,6 +1936,15 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset, sctp_report_all_outbound(stcb, 0, 1, SCTP_SO_LOCKED); for (i = 0; i < stcb->asoc.streamoutcnt; i++) { stcb->asoc.strmout[i].chunks_on_queues = 0; +#if defined(SCTP_DETAILED_STR_STATS) + for (j = 0; j < SCTP_PR_SCTP_MAX + 1; j++) { + asoc->strmout[i].abandoned_sent[j] = 0; + asoc->strmout[i].abandoned_unsent[j] = 0; + } +#else + asoc->strmout[i].abandoned_sent[0] = 0; + asoc->strmout[i].abandoned_unsent[0] = 0; +#endif stcb->asoc.strmout[i].stream_no = i; stcb->asoc.strmout[i].next_sequence_send = 0; stcb->asoc.strmout[i].last_msg_incomplete = 0; diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c index b9b8573..e1a6a03 100644 --- a/sys/netinet/sctp_output.c +++ b/sys/netinet/sctp_output.c @@ -3618,6 +3618,11 @@ sctp_process_cmsgs_for_init(struct sctp_tcb *stcb, struct mbuf *control, int *er struct sctp_stream_out *tmp_str; unsigned int i; +#if defined(SCTP_DETAILED_STR_STATS) + int j; + +#endif + /* Default is NOT correct */ SCTPDBG(SCTP_DEBUG_OUTPUT1, "Ok, default:%d pre_open:%d\n", stcb->asoc.streamoutcnt, stcb->asoc.pre_open_streams); @@ -3638,6 +3643,15 @@ sctp_process_cmsgs_for_init(struct sctp_tcb *stcb, struct mbuf *control, int *er TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); stcb->asoc.strmout[i].chunks_on_queues = 0; stcb->asoc.strmout[i].next_sequence_send = 0; +#if defined(SCTP_DETAILED_STR_STATS) + for (j = 0; j < SCTP_PR_SCTP_MAX + 1; j++) { + stcb->asoc.strmout[i].abandoned_sent[j] = 0; + stcb->asoc.strmout[i].abandoned_unsent[j] = 0; + } +#else + stcb->asoc.strmout[i].abandoned_sent[0] = 0; + stcb->asoc.strmout[i].abandoned_unsent[0] = 0; +#endif stcb->asoc.strmout[i].stream_no = i; stcb->asoc.strmout[i].last_msg_incomplete = 0; stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL); @@ -11923,6 +11937,11 @@ sctp_send_str_reset_req(struct sctp_tcb *stcb, struct sctp_stream_queue_pending *sp, *nsp; int i; +#if defined(SCTP_DETAILED_STR_STATS) + int j; + +#endif + oldstream = stcb->asoc.strmout; /* get some more */ SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, @@ -11968,6 +11987,15 @@ sctp_send_str_reset_req(struct sctp_tcb *stcb, for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + adding_o); i++) { TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); stcb->asoc.strmout[i].chunks_on_queues = 0; +#if defined(SCTP_DETAILED_STR_STATS) + for (j = 0; j < SCTP_PR_SCTP_MAX + 1; j++) { + stcb->asoc.strmout[i].abandoned_sent[j] = 0; + stcb->asoc.strmout[i].abandoned_unsent[j] = 0; + } +#else + stcb->asoc.strmout[i].abandoned_sent[0] = 0; + stcb->asoc.strmout[i].abandoned_unsent[0] = 0; +#endif stcb->asoc.strmout[i].next_sequence_send = 0x0; stcb->asoc.strmout[i].stream_no = i; stcb->asoc.strmout[i].last_msg_incomplete = 0; diff --git a/sys/netinet/sctp_structs.h b/sys/netinet/sctp_structs.h index 9be8614..24c456c 100644 --- a/sys/netinet/sctp_structs.h +++ b/sys/netinet/sctp_structs.h @@ -587,6 +587,14 @@ struct sctp_stream_out { struct sctp_streamhead outqueue; union scheduling_parameters ss_params; uint32_t chunks_on_queues; +#if defined(SCTP_DETAILED_STR_STATS) + uint32_t abandoned_unsent[SCTP_PR_SCTP_MAX + 1]; + uint32_t abandoned_sent[SCTP_PR_SCTP_MAX + 1]; +#else + /* Only the aggregation */ + uint32_t abandoned_unsent[1]; + uint32_t abandoned_sent[1]; +#endif uint16_t stream_no; uint16_t next_sequence_send; /* next one I expect to send out */ uint8_t last_msg_incomplete; @@ -1211,6 +1219,8 @@ struct sctp_association { uint32_t timoshutdownack; struct timeval start_time; struct timeval discontinuity_time; + uint64_t abandoned_unsent[SCTP_PR_SCTP_MAX + 1]; + uint64_t abandoned_sent[SCTP_PR_SCTP_MAX + 1]; }; #endif diff --git a/sys/netinet/sctp_uio.h b/sys/netinet/sctp_uio.h index 1295391..300062a 100644 --- a/sys/netinet/sctp_uio.h +++ b/sys/netinet/sctp_uio.h @@ -249,18 +249,23 @@ struct sctp_snd_all_completes { SCTP_SACK_IMMEDIATELY)) != 0) /* for the endpoint */ -/* The lower byte is an enumeration of PR-SCTP policies */ +/* The lower four bits is an enumeration of PR-SCTP policies */ #define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */ #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */ #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */ #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */ +#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX +#define SCTP_PR_SCTP_ALL 0x000f/* Used for aggregated stats */ #define PR_SCTP_POLICY(x) ((x) & 0x0f) -#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) +#define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ + (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) -#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) +#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX) +#define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) + /* Stat's */ struct sctp_pcbinfo { uint32_t ep_count; @@ -720,6 +725,14 @@ struct sctp_udpencaps { uint16_t sue_port; }; +struct sctp_prstatus { + sctp_assoc_t sprstat_assoc_id; + uint16_t sprstat_sid; + uint16_t sprstat_policy; + uint64_t sprstat_abandoned_unsent; + uint64_t sprstat_abandoned_sent; +}; + struct sctp_cwnd_args { struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */ uint32_t cwnd_new_value;/* cwnd in k */ diff --git a/sys/netinet/sctp_usrreq.c b/sys/netinet/sctp_usrreq.c index 1d49ef5..da22c1f 100644 --- a/sys/netinet/sctp_usrreq.c +++ b/sys/netinet/sctp_usrreq.c @@ -3510,6 +3510,72 @@ flags_out: } break; } + case SCTP_PR_STREAM_STATUS: + { + struct sctp_prstatus *sprstat; + uint16_t sid; + uint16_t policy; + + SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); + SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); + + sid = sprstat->sprstat_sid; + policy = sprstat->sprstat_policy; +#if defined(SCTP_DETAILED_STR_STATS) + if ((stcb != NULL) && + (policy != SCTP_PR_SCTP_NONE) && + (sid < stcb->asoc.streamoutcnt) && + ((policy == SCTP_PR_SCTP_ALL) || + (PR_SCTP_VALID_POLICY(policy)))) { +#else + if ((stcb != NULL) && + (policy != SCTP_PR_SCTP_NONE) && + (sid < stcb->asoc.streamoutcnt) && + (policy == SCTP_PR_SCTP_ALL)) { +#endif + if (policy == SCTP_PR_SCTP_ALL) { + sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; + sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; + } else { + sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; + sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; + } + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_prstatus); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_PR_ASSOC_STATUS: + { + struct sctp_prstatus *sprstat; + uint16_t policy; + + SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); + SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); + + policy = sprstat->sprstat_policy; + if ((stcb != NULL) && + (policy != SCTP_PR_SCTP_NONE) && + ((policy == SCTP_PR_SCTP_ALL) || + (PR_SCTP_VALID_POLICY(policy)))) { + if (policy == SCTP_PR_SCTP_ALL) { + sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; + sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; + } else { + sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; + sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; + } + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_prstatus); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } default: SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); error = ENOPROTOOPT; diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c index d2a1f8f..6bb1001 100644 --- a/sys/netinet/sctputil.c +++ b/sys/netinet/sctputil.c @@ -896,6 +896,11 @@ sctp_init_asoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, */ int i; +#if defined(SCTP_DETAILED_STR_STATS) + int j; + +#endif + asoc = &stcb->asoc; /* init all variables to a known value. */ SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_INUSE); @@ -1056,6 +1061,15 @@ sctp_init_asoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, asoc->strmout[i].next_sequence_send = 0x0; TAILQ_INIT(&asoc->strmout[i].outqueue); asoc->strmout[i].chunks_on_queues = 0; +#if defined(SCTP_DETAILED_STR_STATS) + for (j = 0; j < SCTP_PR_SCTP_MAX + 1; j++) { + asoc->strmout[i].abandoned_sent[j] = 0; + asoc->strmout[i].abandoned_unsent[j] = 0; + } +#else + asoc->strmout[i].abandoned_sent[0] = 0; + asoc->strmout[i].abandoned_unsent[0] = 0; +#endif asoc->strmout[i].stream_no = i; asoc->strmout[i].last_msg_incomplete = 0; asoc->ss_functions.sctp_ss_init_stream(&asoc->strmout[i], NULL); @@ -1111,6 +1125,10 @@ sctp_init_asoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, asoc->timoshutdownack = 0; (void)SCTP_GETTIME_TIMEVAL(&asoc->start_time); asoc->discontinuity_time = asoc->start_time; + for (i = 0; i < SCTP_PR_SCTP_MAX + 1; i++) { + asoc->abandoned_unsent[i] = 0; + asoc->abandoned_sent[i] = 0; + } /* * sa_ignore MEMLEAK {memory is put in the assoc mapping array and * freed later when the association is freed. @@ -4713,6 +4731,21 @@ sctp_release_pr_sctp_chunk(struct sctp_tcb *stcb, struct sctp_tmit_chunk *tp1, stream = tp1->rec.data.stream_number; seq = tp1->rec.data.stream_seq; + if (sent || !(tp1->rec.data.rcv_flags & SCTP_DATA_FIRST_FRAG)) { + stcb->asoc.abandoned_sent[0]++; + stcb->asoc.abandoned_sent[PR_SCTP_POLICY(tp1->flags)]++; + stcb->asoc.strmout[stream].abandoned_sent[0]++; +#if defined(SCTP_DETAILED_STR_STATS) + stcb->asoc.strmout[stream].abandoned_sent[PR_SCTP_POLICY(tp1->flags)]++; +#endif + } else { + stcb->asoc.abandoned_unsent[0]++; + stcb->asoc.abandoned_unsent[PR_SCTP_POLICY(tp1->flags)]++; + stcb->asoc.strmout[stream].abandoned_unsent[0]++; +#if defined(SCTP_DETAILED_STR_STATS) + stcb->asoc.strmout[stream].abandoned_unsent[PR_SCTP_POLICY(tp1->flags)]++; +#endif + } do { ret_sz += tp1->book_size; if (tp1->data != NULL) { |