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rack: Fix a common typo in comments and a sysctl description

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- s/multipler/multiplier/

MFC after:	3 days
This commit is contained in:
Gordon Bergling 2022-06-04 17:56:56 +02:00
parent eb3f25b413
commit 32a01b2b86
1 changed files with 10 additions and 10 deletions
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20
sys/netinet/tcp_stacks/rack.c
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@ -310,8 +310,8 @@ static int32_t rack_gp_per_bw_mul_down = 4; /* 4% */
static int32_t rack_gp_rtt_maxmul = 3; /* 3 x maxmin */
static int32_t rack_gp_rtt_minmul = 1; /* minrtt + (minrtt/mindiv) is lower rtt */
static int32_t rack_gp_rtt_mindiv = 4; /* minrtt + (minrtt * minmul/mindiv) is lower rtt */
static int32_t rack_gp_decrease_per = 20; /* 20% decrease in multipler */
static int32_t rack_gp_increase_per = 2; /* 2% increase in multipler */
static int32_t rack_gp_decrease_per = 20; /* 20% decrease in multiplier */
static int32_t rack_gp_increase_per = 2; /* 2% increase in multiplier */
static int32_t rack_per_lower_bound = 50; /* Don't allow to drop below this multiplier */
static int32_t rack_per_upper_bound_ss = 0; /* Don't allow SS to grow above this */
static int32_t rack_per_upper_bound_ca = 0; /* Don't allow CA to grow above this */
@ -1107,7 +1107,7 @@ rack_init_sysctls(void)
SYSCTL_CHILDREN(rack_timely),
OID_AUTO, "rtt_max_mul", CTLFLAG_RW,
&rack_gp_rtt_maxmul, 3,
"Rack timely multipler of lowest rtt for rtt_max");
"Rack timely multiplier of lowest rtt for rtt_max");
SYSCTL_ADD_S32(&rack_sysctl_ctx,
SYSCTL_CHILDREN(rack_timely),
OID_AUTO, "rtt_min_div", CTLFLAG_RW,
@ -3110,7 +3110,7 @@ rack_bw_can_be_raised(struct tcp_rack *rack, uint64_t cur_bw, uint64_t last_bw_e
* rate to push us faster there is no sense of
* increasing.
*
* We first caculate our actual pacing rate (ss or ca multipler
* We first caculate our actual pacing rate (ss or ca multiplier
* times our cur_bw).
*
* Then we take the last measured rate and multipy by our
@ -3863,7 +3863,7 @@ rack_update_multiplier(struct tcp_rack *rack, int32_t timely_says, uint64_t last
(rack->use_fixed_rate) ||
(rack->in_probe_rtt) ||
(rack->rc_always_pace == 0)) {
/* No dynamic GP multipler in play */
/* No dynamic GP multiplier in play */
return;
}
losses = rack->r_ctl.rc_loss_count - rack->r_ctl.rc_loss_at_start;
@ -4030,7 +4030,7 @@ rack_make_timely_judgement(struct tcp_rack *rack, uint32_t rtt, int32_t rtt_diff
log_rtt_a_diff |= (uint32_t)rtt_diff;
if (rtt >= (get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) *
rack_gp_rtt_maxmul)) {
/* Reduce the b/w multipler */
/* Reduce the b/w multiplier */
timely_says = 2;
log_mult = get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) * rack_gp_rtt_maxmul;
log_mult <<= 32;
@ -4041,7 +4041,7 @@ rack_make_timely_judgement(struct tcp_rack *rack, uint32_t rtt, int32_t rtt_diff
} else if (rtt <= (get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) +
((get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) * rack_gp_rtt_minmul) /
max(rack_gp_rtt_mindiv , 1)))) {
/* Increase the b/w multipler */
/* Increase the b/w multiplier */
log_mult = get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) +
((get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt) * rack_gp_rtt_minmul) /
max(rack_gp_rtt_mindiv , 1));
@ -4068,13 +4068,13 @@ rack_make_timely_judgement(struct tcp_rack *rack, uint32_t rtt, int32_t rtt_diff
if (rtt_diff <= 0) {
/*
* Rttdiff is less than zero, increase the
* b/w multipler (its 0 or negative)
* b/w multiplier (its 0 or negative)
*/
timely_says = 0;
rack_log_timely(rack, timely_says, log_mult,
get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt), log_rtt_a_diff, __LINE__, 6);
} else {
/* Reduce the b/w multipler */
/* Reduce the b/w multiplier */
timely_says = 1;
rack_log_timely(rack, timely_says, log_mult,
get_filter_value_small(&rack->r_ctl.rc_gp_min_rtt), log_rtt_a_diff, __LINE__, 7);
@ -9854,7 +9854,7 @@ rack_check_bottom_drag(struct tcpcb *tp,
*
* This means we need to boost the b/w in
* addition to any earlier boosting of
* the multipler.
* the multiplier.
*/
rack->rc_dragged_bottom = 1;
rack_validate_multipliers_at_or_above100(rack);