Date: Thu, 7 May 2020 03:14:00 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r360761 - stable/11/sys/netinet Message-ID: <202005070314.0473E0Ln026523@repo.freebsd.org>
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Author: tuexen Date: Thu May 7 03:14:00 2020 New Revision: 360761 URL: https://svnweb.freebsd.org/changeset/base/360761 Log: MFC r357705: Cleanup timer handling Submitted by: Taylor Brandstetter Modified: stable/11/sys/netinet/sctp_indata.c stable/11/sys/netinet/sctp_output.c stable/11/sys/netinet/sctp_pcb.c stable/11/sys/netinet/sctputil.c stable/11/sys/netinet/sctputil.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/sctp_indata.c ============================================================================== --- stable/11/sys/netinet/sctp_indata.c Thu May 7 03:12:07 2020 (r360760) +++ stable/11/sys/netinet/sctp_indata.c Thu May 7 03:14:00 2020 (r360761) @@ -2661,7 +2661,8 @@ sctp_sack_check(struct sctp_tcb *stcb, int was_a_gap) * is pending, we got our first packet OR * there are gaps or duplicates. */ - (void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer); + sctp_timer_stop(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL, + SCTP_FROM_SCTP_INDATA + SCTP_LOC_19); sctp_send_sack(stcb, SCTP_SO_NOT_LOCKED); } } else { Modified: stable/11/sys/netinet/sctp_output.c ============================================================================== --- stable/11/sys/netinet/sctp_output.c Thu May 7 03:12:07 2020 (r360760) +++ stable/11/sys/netinet/sctp_output.c Thu May 7 03:14:00 2020 (r360761) @@ -10068,7 +10068,8 @@ do_it_again: */ if (SCTP_OS_TIMER_PENDING(&stcb->asoc.dack_timer.timer)) { sctp_send_sack(stcb, so_locked); - (void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer); + sctp_timer_stop(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL, + SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_3); } while (asoc->sent_queue_retran_cnt) { /*- @@ -10597,7 +10598,7 @@ sctp_send_sack(struct sctp_tcb *stcb, int so_locked if (stcb->asoc.delayed_ack) { sctp_timer_stop(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL, - SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_3); + SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_4); sctp_timer_start(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL); } else { @@ -10666,7 +10667,7 @@ sctp_send_sack(struct sctp_tcb *stcb, int so_locked if (stcb->asoc.delayed_ack) { sctp_timer_stop(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL, - SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_4); + SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_5); sctp_timer_start(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL); } else { @@ -12824,7 +12825,7 @@ sctp_lower_sosend(struct socket *so, if (control) { if (sctp_process_cmsgs_for_init(stcb, control, &error)) { sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, - SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_5); + SCTP_FROM_SCTP_OUTPUT + SCTP_LOC_6); hold_tcblock = 0; stcb = NULL; goto out_unlocked; Modified: stable/11/sys/netinet/sctp_pcb.c ============================================================================== --- stable/11/sys/netinet/sctp_pcb.c Thu May 7 03:12:07 2020 (r360760) +++ stable/11/sys/netinet/sctp_pcb.c Thu May 7 03:14:00 2020 (r360761) @@ -3547,7 +3547,6 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, } if (cnt) { /* Ok we have someone out there that will kill us */ - (void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer); #ifdef SCTP_LOG_CLOSING sctp_log_closing(inp, NULL, 3); #endif @@ -3566,7 +3565,6 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, if ((inp->refcount) || (being_refed) || (inp->sctp_flags & SCTP_PCB_FLAGS_CLOSE_IP)) { - (void)SCTP_OS_TIMER_STOP(&inp->sctp_ep.signature_change.timer); #ifdef SCTP_LOG_CLOSING sctp_log_closing(inp, NULL, 4); #endif @@ -4764,35 +4762,8 @@ sctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tc return (0); } } - /* now clean up any other timers */ - (void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer); - asoc->dack_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer); - /*- - * For stream reset we don't blast this unless - * it is a str-reset timer, it might be the - * free-asoc timer which we DON'T want to - * disturb. - */ - if (asoc->strreset_timer.type == SCTP_TIMER_TYPE_STRRESET) - asoc->strreset_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer); - asoc->asconf_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer); - asoc->autoclose_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer); - asoc->shut_guard_timer.self = NULL; - /* Mobility adaptation */ - (void)SCTP_OS_TIMER_STOP(&asoc->delete_prim_timer.timer); - asoc->delete_prim_timer.self = NULL; - TAILQ_FOREACH(net, &asoc->nets, sctp_next) { - (void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer); - net->rxt_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer); - net->pmtu_timer.self = NULL; - (void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer); - net->hb_timer.self = NULL; - } + /* Now clean up any other timers */ + sctp_stop_association_timers(stcb, false); /* Now the read queue needs to be cleaned up (only once) */ if ((stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0) { SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_ABOUT_TO_BE_FREED); @@ -4960,19 +4931,8 @@ sctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tc /* * Now restop the timers to be sure this is paranoia at is finest! */ - (void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->shut_guard_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer); - TAILQ_FOREACH(net, &asoc->nets, sctp_next) { - (void)SCTP_OS_TIMER_STOP(&net->rxt_timer.timer); - (void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer); - (void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer); - } + sctp_stop_association_timers(stcb, true); - asoc->strreset_timer.type = SCTP_TIMER_TYPE_NONE; /* * The chunk lists and such SHOULD be empty but we check them just * in case. @@ -7036,7 +6996,8 @@ sctp_drain_mbufs(struct sctp_tcb *stcb) * asoc->highest_tsn_inside_map? */ asoc->last_revoke_count = cnt; - (void)SCTP_OS_TIMER_STOP(&stcb->asoc.dack_timer.timer); + sctp_timer_stop(SCTP_TIMER_TYPE_RECV, stcb->sctp_ep, stcb, NULL, + SCTP_FROM_SCTP_PCB + SCTP_LOC_16); /* sa_ignore NO_NULL_CHK */ sctp_send_sack(stcb, SCTP_SO_NOT_LOCKED); sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_DRAIN, SCTP_SO_NOT_LOCKED); Modified: stable/11/sys/netinet/sctputil.c ============================================================================== --- stable/11/sys/netinet/sctputil.c Thu May 7 03:12:07 2020 (r360760) +++ stable/11/sys/netinet/sctputil.c Thu May 7 03:14:00 2020 (r360761) @@ -777,18 +777,66 @@ sctp_audit_log(uint8_t ev, uint8_t fd) void sctp_stop_timers_for_shutdown(struct sctp_tcb *stcb) { - struct sctp_association *asoc; + struct sctp_inpcb *inp; struct sctp_nets *net; - asoc = &stcb->asoc; + inp = stcb->sctp_ep; - (void)SCTP_OS_TIMER_STOP(&asoc->dack_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->strreset_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->asconf_timer.timer); - (void)SCTP_OS_TIMER_STOP(&asoc->autoclose_timer.timer); - TAILQ_FOREACH(net, &asoc->nets, sctp_next) { - (void)SCTP_OS_TIMER_STOP(&net->pmtu_timer.timer); - (void)SCTP_OS_TIMER_STOP(&net->hb_timer.timer); + sctp_timer_stop(SCTP_TIMER_TYPE_RECV, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_12); + sctp_timer_stop(SCTP_TIMER_TYPE_STRRESET, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_13); + sctp_timer_stop(SCTP_TIMER_TYPE_ASCONF, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_14); + sctp_timer_stop(SCTP_TIMER_TYPE_AUTOCLOSE, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_15); + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_16); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_17); + } +} + +void +sctp_stop_association_timers(struct sctp_tcb *stcb, bool stop_assoc_kill_timer) +{ + struct sctp_inpcb *inp; + struct sctp_nets *net; + + inp = stcb->sctp_ep; + sctp_timer_stop(SCTP_TIMER_TYPE_RECV, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_18); + sctp_timer_stop(SCTP_TIMER_TYPE_STRRESET, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_19); + if (stop_assoc_kill_timer) { + sctp_timer_stop(SCTP_TIMER_TYPE_ASOCKILL, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_20); + } + sctp_timer_stop(SCTP_TIMER_TYPE_ASCONF, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_21); + sctp_timer_stop(SCTP_TIMER_TYPE_AUTOCLOSE, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_22); + sctp_timer_stop(SCTP_TIMER_TYPE_SHUTDOWNGUARD, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_23); + /* Mobility adaptation */ + sctp_timer_stop(SCTP_TIMER_TYPE_PRIM_DELETED, inp, stcb, NULL, + SCTP_FROM_SCTPUTIL + SCTP_LOC_24); + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + sctp_timer_stop(SCTP_TIMER_TYPE_SEND, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_25); + sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_26); + sctp_timer_stop(SCTP_TIMER_TYPE_SHUTDOWN, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_27); + sctp_timer_stop(SCTP_TIMER_TYPE_COOKIE, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_28); + sctp_timer_stop(SCTP_TIMER_TYPE_SHUTDOWNACK, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_29); + sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_30); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, + SCTP_FROM_SCTPUTIL + SCTP_LOC_31); } } Modified: stable/11/sys/netinet/sctputil.h ============================================================================== --- stable/11/sys/netinet/sctputil.h Thu May 7 03:12:07 2020 (r360760) +++ stable/11/sys/netinet/sctputil.h Thu May 7 03:14:00 2020 (r360761) @@ -162,6 +162,9 @@ sctp_pull_off_control_to_new_inp(struct sctp_inpcb *ol void sctp_stop_timers_for_shutdown(struct sctp_tcb *); +/* Stop all timers for association and remote addresses. */ +void sctp_stop_association_timers(struct sctp_tcb *, bool); + void sctp_report_all_outbound(struct sctp_tcb *, uint16_t, int, int #if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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