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Code cleanups.

Browse Source 
MFC after: 3 days
This commit is contained in:
Michael Tuexen 2013-07-03 18:48:43 +00:00
parent ff0b75b897
commit 56f778aadf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=252585
4 changed files with 105 additions and 101 deletions
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2
sys/netinet/sctp_indata.c
View File

@ -1729,7 +1729,6 @@ sctp_process_a_data_chunk(struct sctp_tcb *stcb, struct sctp_association *asoc,
sctp_alloc_a_readq(stcb, control);
sctp_build_readq_entry_mac(control, stcb, asoc->context, net, tsn,
protocol_id,
stcb->asoc.context,
strmno, strmseq,
chunk_flags,
dmbuf);
@ -1857,7 +1856,6 @@ sctp_process_a_data_chunk(struct sctp_tcb *stcb, struct sctp_association *asoc,
sctp_alloc_a_readq(stcb, control);
sctp_build_readq_entry_mac(control, stcb, asoc->context, net, tsn,
protocol_id,
stcb->asoc.context,
strmno, strmseq,
chunk_flags,
dmbuf);

4
sys/netinet/sctp_indata.h
View File

@ -47,14 +47,14 @@ sctp_build_readq_entry(struct sctp_tcb *stcb,
struct mbuf *dm);
#define sctp_build_readq_entry_mac(_ctl, in_it, a, net, tsn, ppid, context, stream_no, stream_seq, flags, dm) do { \
#define sctp_build_readq_entry_mac(_ctl, in_it, context, net, tsn, ppid, stream_no, stream_seq, flags, dm) do { \
if (_ctl) { \
atomic_add_int(&((net)->ref_count), 1); \
(_ctl)->sinfo_stream = stream_no; \
(_ctl)->sinfo_ssn = stream_seq; \
(_ctl)->sinfo_flags = (flags << 8); \
(_ctl)->sinfo_ppid = ppid; \
(_ctl)->sinfo_context = a; \
(_ctl)->sinfo_context = context; \
(_ctl)->sinfo_timetolive = 0; \
(_ctl)->sinfo_tsn = tsn; \
(_ctl)->sinfo_cumtsn = tsn; \

58
sys/netinet/sctp_input.c
View File

@ -1028,12 +1028,13 @@ sctp_handle_shutdown_ack(struct sctp_shutdown_ack_chunk *cp SCTP_UNUSED,
SCTP_SOCKET_UNLOCK(so, 1);
#endif
}
/* are the queues empty? */
#ifdef INVARIANTS
if (!TAILQ_EMPTY(&asoc->send_queue) ||
!TAILQ_EMPTY(&asoc->sent_queue) ||
!stcb->asoc.ss_functions.sctp_ss_is_empty(stcb, asoc)) {
sctp_report_all_outbound(stcb, 0, 0, SCTP_SO_NOT_LOCKED);
panic("Queues are not empty when handling SHUTDOWN-ACK");
}
#endif
/* stop the timer */
sctp_timer_stop(SCTP_TIMER_TYPE_SHUTDOWN, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_INPUT + SCTP_LOC_9);
/* send SHUTDOWN-COMPLETE */
@ -1875,9 +1876,14 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
cookie->tie_tag_peer_vtag != 0) {
struct sctpasochead *head;
#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
struct socket *so;
#endif
if (asoc->peer_supports_nat) {
/*
* This is a gross gross hack. just call the
* This is a gross gross hack. Just call the
* cookie_new code since we are allowing a duplicate
* association. I hope this works...
*/
@ -1939,6 +1945,10 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
asoc->mapping_array_size);
}
SCTP_TCB_UNLOCK(stcb);
#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
so = SCTP_INP_SO(stcb->sctp_ep);
SCTP_SOCKET_LOCK(so, 1);
#endif
SCTP_INP_INFO_WLOCK();
SCTP_INP_WLOCK(stcb->sctp_ep);
SCTP_TCB_LOCK(stcb);
@ -1946,7 +1956,7 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
/* send up all the data */
SCTP_TCB_SEND_LOCK(stcb);
sctp_report_all_outbound(stcb, 0, 1, SCTP_SO_NOT_LOCKED);
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;
stcb->asoc.strmout[i].stream_no = i;
@ -1968,11 +1978,15 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
*/
LIST_INSERT_HEAD(head, stcb, sctp_asocs);
/* process the INIT info (peer's info) */
SCTP_TCB_SEND_UNLOCK(stcb);
SCTP_INP_WUNLOCK(stcb->sctp_ep);
SCTP_INP_INFO_WUNLOCK();
#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
SCTP_SOCKET_UNLOCK(so, 1);
#endif
asoc->total_flight = 0;
asoc->total_flight_count = 0;
/* process the INIT info (peer's info) */
retval = sctp_process_init(init_cp, stcb);
if (retval < 0) {
if (how_indx < sizeof(asoc->cookie_how))
@ -3196,13 +3210,14 @@ sctp_handle_shutdown_complete(struct sctp_shutdown_complete_chunk *cp SCTP_UNUSE
/* notify upper layer protocol */
if (stcb->sctp_socket) {
sctp_ulp_notify(SCTP_NOTIFY_ASSOC_DOWN, stcb, 0, NULL, SCTP_SO_NOT_LOCKED);
/* are the queues empty? they should be */
if (!TAILQ_EMPTY(&asoc->send_queue) ||
!TAILQ_EMPTY(&asoc->sent_queue) ||
!stcb->asoc.ss_functions.sctp_ss_is_empty(stcb, asoc)) {
sctp_report_all_outbound(stcb, 0, 0, SCTP_SO_NOT_LOCKED);
}
}
#ifdef INVARIANTS
if (!TAILQ_EMPTY(&asoc->send_queue) ||
!TAILQ_EMPTY(&asoc->sent_queue) ||
!stcb->asoc.ss_functions.sctp_ss_is_empty(stcb, asoc)) {
panic("Queues are not empty when handling SHUTDOWN-COMPLETE");
}
#endif
/* stop the timer */
sctp_timer_stop(SCTP_TIMER_TYPE_SHUTDOWNACK, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_INPUT + SCTP_LOC_22);
SCTP_STAT_INCR_COUNTER32(sctps_shutdown);
@ -3491,18 +3506,13 @@ sctp_reset_in_stream(struct sctp_tcb *stcb, uint32_t number_entries, uint16_t *
}
static void
sctp_reset_out_streams(struct sctp_tcb *stcb, int number_entries, uint16_t * list)
sctp_reset_out_streams(struct sctp_tcb *stcb, uint32_t number_entries, uint16_t * list)
{
int i;
uint32_t i;
uint16_t temp;
if (number_entries == 0) {
for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
stcb->asoc.strmout[i].next_sequence_send = 0;
}
} else if (number_entries) {
if (number_entries > 0) {
for (i = 0; i < number_entries; i++) {
uint16_t temp;
temp = ntohs(list[i]);
if (temp >= stcb->asoc.streamoutcnt) {
/* no such stream */
@ -3510,6 +3520,10 @@ sctp_reset_out_streams(struct sctp_tcb *stcb, int number_entries, uint16_t * lis
}
stcb->asoc.strmout[temp].next_sequence_send = 0;
}
} else {
for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
stcb->asoc.strmout[i].next_sequence_send = 0;
}
}
sctp_ulp_notify(SCTP_NOTIFY_STR_RESET_SEND, stcb, number_entries, (void *)list, SCTP_SO_NOT_LOCKED);
}
@ -3596,7 +3610,7 @@ sctp_handle_stream_reset_response(struct sctp_tcb *stcb,
struct sctp_association *asoc = &stcb->asoc;
struct sctp_tmit_chunk *chk;
struct sctp_stream_reset_out_request *srparam;
int number_entries;
uint32_t number_entries;
if (asoc->stream_reset_outstanding == 0) {
/* duplicate */

142
sys/netinet/sctp_pcb.c
View File

@ -4451,23 +4451,21 @@ sctp_delete_from_timewait(uint32_t tag, uint16_t lport, uint16_t rport)
int i;
chain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];
if (!LIST_EMPTY(chain)) {
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
found = 1;
break;
}
}
if (found)
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
found = 1;
break;
}
}
if (found)
break;
}
}
@ -4481,19 +4479,17 @@ sctp_is_in_timewait(uint32_t tag, uint16_t lport, uint16_t rport)
SCTP_INP_INFO_WLOCK();
chain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];
if (!LIST_EMPTY(chain)) {
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
found = 1;
break;
}
}
if (found)
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
found = 1;
break;
}
}
if (found)
break;
}
SCTP_INP_INFO_WUNLOCK();
return (found);
@ -4515,42 +4511,40 @@ sctp_add_vtag_to_timewait(uint32_t tag, uint32_t time, uint16_t lport, uint16_t
(void)SCTP_GETTIME_TIMEVAL(&now);
chain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];
set = 0;
if (!LIST_EMPTY(chain)) {
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
/* Block(s) present, lets find space, and expire on the fly */
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == 0) &&
!set) {
twait_block->vtag_block[i].tv_sec_at_expire =
now.tv_sec + time;
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if ((twait_block->vtag_block[i].v_tag == 0) &&
!set) {
twait_block->vtag_block[i].tv_sec_at_expire =
now.tv_sec + time;
twait_block->vtag_block[i].v_tag = tag;
twait_block->vtag_block[i].lport = lport;
twait_block->vtag_block[i].rport = rport;
set = 1;
} else if ((twait_block->vtag_block[i].v_tag) &&
((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {
/* Audit expires this guy */
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
if (set == 0) {
/* Reuse it for my new tag */
twait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;
twait_block->vtag_block[i].v_tag = tag;
twait_block->vtag_block[i].lport = lport;
twait_block->vtag_block[i].rport = rport;
set = 1;
} else if ((twait_block->vtag_block[i].v_tag) &&
((long)twait_block->vtag_block[i].tv_sec_at_expire < now.tv_sec)) {
/* Audit expires this guy */
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
if (set == 0) {
/* Reuse it for my new tag */
twait_block->vtag_block[i].tv_sec_at_expire = now.tv_sec + time;
twait_block->vtag_block[i].v_tag = tag;
twait_block->vtag_block[i].lport = lport;
twait_block->vtag_block[i].rport = rport;
set = 1;
}
}
}
if (set) {
/*
* We only do up to the block where we can
* place our tag for audits
*/
break;
}
}
if (set) {
/*
* We only do up to the block where we can place our
* tag for audits
*/
break;
}
}
/* Need to add a new block to chain */
@ -6700,30 +6694,28 @@ sctp_is_vtag_good(uint32_t tag, uint16_t lport, uint16_t rport, struct timeval *
chain = &SCTP_BASE_INFO(vtag_timewait)[(tag % SCTP_STACK_VTAG_HASH_SIZE)];
/* Now what about timed wait ? */
if (!LIST_EMPTY(chain)) {
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
/*
* Block(s) are present, lets see if we have this tag in the
* list
*/
LIST_FOREACH(twait_block, chain, sctp_nxt_tagblock) {
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if (twait_block->vtag_block[i].v_tag == 0) {
/* not used */
continue;
} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <
now->tv_sec) {
/* Audit expires this guy */
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
} else if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
/* Bad tag, sorry :< */
SCTP_INP_INFO_RUNLOCK();
return (0);
}
for (i = 0; i < SCTP_NUMBER_IN_VTAG_BLOCK; i++) {
if (twait_block->vtag_block[i].v_tag == 0) {
/* not used */
continue;
} else if ((long)twait_block->vtag_block[i].tv_sec_at_expire <
now->tv_sec) {
/* Audit expires this guy */
twait_block->vtag_block[i].tv_sec_at_expire = 0;
twait_block->vtag_block[i].v_tag = 0;
twait_block->vtag_block[i].lport = 0;
twait_block->vtag_block[i].rport = 0;
} else if ((twait_block->vtag_block[i].v_tag == tag) &&
(twait_block->vtag_block[i].lport == lport) &&
(twait_block->vtag_block[i].rport == rport)) {
/* Bad tag, sorry :< */
SCTP_INP_INFO_RUNLOCK();
return (0);
}
}
}