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Code cleanup, not functional change.

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This avoids taking a pointer of a packed structure which allows simpler
compilation of the userland stack.

MFC after:	1 week
This commit is contained in:
Michael Tuexen 2017-10-14 10:02:59 +00:00
parent bf3341233e
commit 8c8e10b763
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=324615
6 changed files with 20 additions and 30 deletions
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4
sys/netinet/sctp_constants.h
View File

@ -97,10 +97,6 @@ __FBSDID("$FreeBSD$");
*/
#define SCTP_DEFAULT_VRF_SIZE 4
/* constants for rto calc */
#define sctp_align_safe_nocopy 0
#define sctp_align_unsafe_makecopy 1
/* JRS - Values defined for the HTCP algorithm */
#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */

3
sys/netinet/sctp_indata.c
View File

@ -3058,7 +3058,6 @@ sctp_process_segment_range(struct sctp_tcb *stcb, struct sctp_tmit_chunk **p_tp1
&stcb->asoc,
tp1->whoTo,
&tp1->sent_rcv_time,
sctp_align_safe_nocopy,
SCTP_RTT_FROM_DATA);
*rto_ok = 0;
}
@ -4030,7 +4029,6 @@ sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack,
sctp_calculate_rto(stcb,
asoc, tp1->whoTo,
&tp1->sent_rcv_time,
sctp_align_safe_nocopy,
SCTP_RTT_FROM_DATA);
rto_ok = 0;
}
@ -4636,7 +4634,6 @@ sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup,
sctp_calculate_rto(stcb,
asoc, tp1->whoTo,
&tp1->sent_rcv_time,
sctp_align_safe_nocopy,
SCTP_RTT_FROM_DATA);
rto_ok = 0;
}

19
sys/netinet/sctp_input.c
View File

@ -517,7 +517,7 @@ sctp_process_init_ack(struct mbuf *m, int iphlen, int offset,
asoc->primary_destination, SCTP_FROM_SCTP_INPUT + SCTP_LOC_3);
/* calculate the RTO */
net->RTO = sctp_calculate_rto(stcb, asoc, net, &asoc->time_entered, sctp_align_safe_nocopy,
net->RTO = sctp_calculate_rto(stcb, asoc, net, &asoc->time_entered,
SCTP_RTT_FROM_NON_DATA);
retval = sctp_send_cookie_echo(m, offset, stcb, net);
if (retval < 0) {
@ -639,7 +639,7 @@ sctp_handle_heartbeat_ack(struct sctp_heartbeat_chunk *cp,
tv.tv_sec = cp->heartbeat.hb_info.time_value_1;
tv.tv_usec = cp->heartbeat.hb_info.time_value_2;
/* Now lets do a RTO with this */
r_net->RTO = sctp_calculate_rto(stcb, &stcb->asoc, r_net, &tv, sctp_align_safe_nocopy,
r_net->RTO = sctp_calculate_rto(stcb, &stcb->asoc, r_net, &tv,
SCTP_RTT_FROM_NON_DATA);
if (!(r_net->dest_state & SCTP_ADDR_REACHABLE)) {
r_net->dest_state |= SCTP_ADDR_REACHABLE;
@ -1487,6 +1487,7 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
struct sctp_init_ack_chunk *initack_cp, initack_buf;
struct sctp_nets *net;
struct mbuf *op_err;
struct timeval old;
int init_offset, initack_offset, i;
int retval;
int spec_flag = 0;
@ -1647,10 +1648,11 @@ sctp_process_cookie_existing(struct mbuf *m, int iphlen, int offset,
* since we did not send a HB make sure we don't
* double things
*/
old.tv_sec = cookie->time_entered.tv_sec;
old.tv_usec = cookie->time_entered.tv_usec;
net->hb_responded = 1;
net->RTO = sctp_calculate_rto(stcb, asoc, net,
&cookie->time_entered,
sctp_align_unsafe_makecopy,
&old,
SCTP_RTT_FROM_NON_DATA);
if (stcb->asoc.sctp_autoclose_ticks &&
@ -2367,10 +2369,13 @@ sctp_process_cookie_new(struct mbuf *m, int iphlen, int offset,
}
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
if ((netp != NULL) && (*netp != NULL)) {
struct timeval old;
/* calculate the RTT and set the encaps port */
old.tv_sec = cookie->time_entered.tv_sec;
old.tv_usec = cookie->time_entered.tv_usec;
(*netp)->RTO = sctp_calculate_rto(stcb, asoc, *netp,
&cookie->time_entered, sctp_align_unsafe_makecopy,
SCTP_RTT_FROM_NON_DATA);
&old, SCTP_RTT_FROM_NON_DATA);
}
/* respond with a COOKIE-ACK */
sctp_send_cookie_ack(stcb);
@ -2936,7 +2941,7 @@ sctp_handle_cookie_ack(struct sctp_cookie_ack_chunk *cp SCTP_UNUSED,
SCTP_STAT_INCR_GAUGE32(sctps_currestab);
if (asoc->overall_error_count == 0) {
net->RTO = sctp_calculate_rto(stcb, asoc, net,
&asoc->time_entered, sctp_align_safe_nocopy,
&asoc->time_entered,
SCTP_RTT_FROM_NON_DATA);
}
(void)SCTP_GETTIME_TIMEVAL(&asoc->time_entered);

5
sys/netinet/sctp_output.c
View File

@ -5501,6 +5501,7 @@ sctp_send_initiate_ack(struct sctp_inpcb *inp, struct sctp_tcb *stcb,
struct sctp_paramhdr *ph;
union sctp_sockstore *over_addr;
struct sctp_scoping scp;
struct timeval now;
#ifdef INET
struct sockaddr_in *dst4 = (struct sockaddr_in *)dst;
struct sockaddr_in *src4 = (struct sockaddr_in *)src;
@ -5601,7 +5602,9 @@ sctp_send_initiate_ack(struct sctp_inpcb *inp, struct sctp_tcb *stcb,
memset(&stc, 0, sizeof(struct sctp_state_cookie));
/* the time I built cookie */
(void)SCTP_GETTIME_TIMEVAL(&stc.time_entered);
(void)SCTP_GETTIME_TIMEVAL(&now);
stc.time_entered.tv_sec = now.tv_sec;
stc.time_entered.tv_usec = now.tv_usec;
/* populate any tie tags */
if (asoc != NULL) {

17
sys/netinet/sctputil.c
View File

@ -2422,8 +2422,8 @@ uint32_t
sctp_calculate_rto(struct sctp_tcb *stcb,
struct sctp_association *asoc,
struct sctp_nets *net,
struct timeval *told,
int safe, int rtt_from_sack)
struct timeval *old,
int rtt_from_sack)
{
/*-
* given an association and the starting time of the current RTT
@ -2432,19 +2432,8 @@ sctp_calculate_rto(struct sctp_tcb *stcb,
int32_t rtt; /* RTT in ms */
uint32_t new_rto;
int first_measure = 0;
struct timeval now, then, *old;
struct timeval now;
/* Copy it out for sparc64 */
if (safe == sctp_align_unsafe_makecopy) {
old = &then;
memcpy(&then, told, sizeof(struct timeval));
} else if (safe == sctp_align_safe_nocopy) {
old = told;
} else {
/* error */
SCTP_PRINTF("Huh, bad rto calc call\n");
return (0);
}
/************************/
/* 1. calculate new RTT */
/************************/

2
sys/netinet/sctputil.h
View File

@ -135,7 +135,7 @@ void
uint32_t
sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *,
struct sctp_nets *, struct timeval *, int, int);
struct sctp_nets *, struct timeval *, int);
uint32_t sctp_calculate_len(struct mbuf *);