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sctp: cleanup

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Do not put a variable in the stcb for passing it to a function.
Just use a parameter of the function. No functional change intended.

MFC after:	1 week
This commit is contained in:
Michael Tuexen 2023-08-14 12:27:39 +02:00
parent 85a775e61b
commit 749a7fb588
3 changed files with 15 additions and 32 deletions
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9
sys/netinet/sctp_indata.c
View File

@ -5491,9 +5491,8 @@ sctp_handle_forward_tsn(struct sctp_tcb *stcb,
struct sctp_association *asoc;
uint32_t new_cum_tsn, gap;
unsigned int i, fwd_sz, m_size;
uint32_t str_seq;
struct sctp_stream_in *strm;
struct sctp_queued_to_read *control, *ncontrol, *sv;
struct sctp_queued_to_read *control, *ncontrol;
asoc = &stcb->asoc;
if ((fwd_sz = ntohs(fwd->ch.chunk_length)) < sizeof(struct sctp_forward_tsn_chunk)) {
@ -5674,9 +5673,7 @@ sctp_handle_forward_tsn(struct sctp_tcb *stcb,
TAILQ_FOREACH(control, &stcb->sctp_ep->read_queue, next) {
if ((control->sinfo_stream == sid) &&
(SCTP_MID_EQ(asoc->idata_supported, control->mid, mid))) {
str_seq = (sid << 16) | (0x0000ffff & mid);
control->pdapi_aborted = 1;
sv = stcb->asoc.control_pdapi;
control->end_added = 1;
if (control->on_strm_q == SCTP_ON_ORDERED) {
TAILQ_REMOVE(&strm->inqueue, control, next_instrm);
@ -5699,13 +5696,11 @@ sctp_handle_forward_tsn(struct sctp_tcb *stcb,
#endif
}
control->on_strm_q = 0;
stcb->asoc.control_pdapi = control;
sctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,
stcb,
SCTP_PARTIAL_DELIVERY_ABORTED,
(void *)&str_seq,
(void *)control,
SCTP_SO_NOT_LOCKED);
stcb->asoc.control_pdapi = sv;
break;
} else if ((control->sinfo_stream == sid) &&
SCTP_MID_GT(asoc->idata_supported, control->mid, mid)) {

11
sys/netinet/sctp_pcb.c
View File

@ -4777,20 +4777,15 @@ sctp_free_assoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int from_inpcbfre
* added right after this
* msg.
*/
uint32_t strseq;
stcb->asoc.control_pdapi = sq;
strseq = (sq->sinfo_stream << 16) | (sq->mid & 0x0000ffff);
sctp_ulp_notify(SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION,
stcb,
SCTP_PARTIAL_DELIVERY_ABORTED,
(void *)&strseq,
(void *)sq,
SCTP_SO_LOCKED);
stcb->asoc.control_pdapi = NULL;
}
/* Add an end to wake them */
sq->end_added = 1;
}
/* Add an end to wake them */
sq->end_added = 1;
}
}
SCTP_INP_READ_UNLOCK(inp);

27
sys/netinet/sctputil.c
View File

@ -3642,7 +3642,8 @@ sctp_notify_adaptation_layer(struct sctp_tcb *stcb)
static void
sctp_notify_partial_delivery_indication(struct sctp_tcb *stcb, uint32_t error,
uint32_t val, int so_locked)
struct sctp_queued_to_read *aborted_control,
int so_locked)
{
struct mbuf *m_notify;
struct sctp_pdapi_event *pdapi;
@ -3655,6 +3656,7 @@ sctp_notify_partial_delivery_indication(struct sctp_tcb *stcb, uint32_t error,
return;
}
KASSERT(aborted_control != NULL, ("aborted_control is NULL"));
SCTP_INP_READ_LOCK_ASSERT(stcb->sctp_ep);
m_notify = sctp_get_mbuf_for_msg(sizeof(struct sctp_pdapi_event), 0, M_NOWAIT, 1, MT_DATA);
@ -3668,8 +3670,8 @@ sctp_notify_partial_delivery_indication(struct sctp_tcb *stcb, uint32_t error,
pdapi->pdapi_flags = 0;
pdapi->pdapi_length = sizeof(struct sctp_pdapi_event);
pdapi->pdapi_indication = error;
pdapi->pdapi_stream = (val >> 16);
pdapi->pdapi_seq = (val & 0x0000ffff);
pdapi->pdapi_stream = aborted_control->sinfo_stream;
pdapi->pdapi_seq = (uint16_t)aborted_control->mid;
pdapi->pdapi_assoc_id = sctp_get_associd(stcb);
SCTP_BUF_LEN(m_notify) = sizeof(struct sctp_pdapi_event);
@ -3695,12 +3697,7 @@ sctp_notify_partial_delivery_indication(struct sctp_tcb *stcb, uint32_t error,
sctp_sblog(sb, control->do_not_ref_stcb ? NULL : stcb, SCTP_LOG_SBRESULT, 0);
}
control->end_added = 1;
if (stcb->asoc.control_pdapi)
TAILQ_INSERT_AFTER(&stcb->sctp_ep->read_queue, stcb->asoc.control_pdapi, control, next);
else {
/* we really should not see this case */
TAILQ_INSERT_TAIL(&stcb->sctp_ep->read_queue, control, next);
}
TAILQ_INSERT_AFTER(&stcb->sctp_ep->read_queue, aborted_control, control, next);
if (stcb->sctp_ep && stcb->sctp_socket) {
/* This should always be the case */
sctp_sorwakeup(stcb->sctp_ep, stcb->sctp_socket);
@ -4136,14 +4133,10 @@ sctp_ulp_notify(uint32_t notification, struct sctp_tcb *stcb,
(struct sctp_tmit_chunk *)data, so_locked);
break;
case SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION:
{
uint32_t val;
val = *((uint32_t *)data);
sctp_notify_partial_delivery_indication(stcb, error, val, so_locked);
break;
}
sctp_notify_partial_delivery_indication(stcb, error,
(struct sctp_queued_to_read *)data,
so_locked);
break;
case SCTP_NOTIFY_ASSOC_LOC_ABORTED:
if ((SCTP_GET_STATE(stcb) == SCTP_STATE_COOKIE_WAIT) ||
(SCTP_GET_STATE(stcb) == SCTP_STATE_COOKIE_ECHOED)) {