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ntp: add TX error to dispersion

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This commit is contained in:
Miroslav Lichvar 2016-12-07 18:32:55 +01:00
parent e62a39cafe
commit 859e0c2323
1 changed files with 5 additions and 4 deletions
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9
ntp_core.c
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@ -855,6 +855,7 @@ transmit_packet(NTP_Mode my_mode, /* The mode this machine wants to be */
NTP_Packet message;
int auth_len, mac_len, length, ret, precision;
struct timespec local_receive, local_transmit;
double smooth_offset, local_transmit_err;
NTP_int64 ts_fuzz;
/* Parameters read from reference module */
@ -862,7 +863,7 @@ transmit_packet(NTP_Mode my_mode, /* The mode this machine wants to be */
NTP_Leap leap_status;
uint32_t our_ref_id;
struct timespec our_ref_time;
double our_root_delay, our_root_dispersion, smooth_offset;
double our_root_delay, our_root_dispersion;
/* Don't reply with version higher than ours */
if (version > NTP_VERSION) {
@ -956,7 +957,7 @@ transmit_packet(NTP_Mode my_mode, /* The mode this machine wants to be */
/* Transmit - this our local time right now! Also, we might need to
store this for our own use later, next time we receive a message
from the source we're sending to now. */
LCL_ReadCookedTime(&local_transmit, NULL);
LCL_ReadCookedTime(&local_transmit, &local_transmit_err);
if (smooth_time)
UTI_AddDoubleToTimespec(&local_transmit, smooth_offset, &local_transmit);
@ -1006,7 +1007,7 @@ transmit_packet(NTP_Mode my_mode, /* The mode this machine wants to be */
if (local_tx) {
local_tx->ts = local_transmit;
local_tx->err = 0.0;
local_tx->err = local_transmit_err;
local_tx->source = NTP_TS_DAEMON;
}
@ -1438,7 +1439,7 @@ receive_packet(NCR_Instance inst, NTP_Local_Address *local_addr,
skew = (source_freq_hi - source_freq_lo) / 2.0;
/* and then calculate peer dispersion */
dispersion = precision + rx_ts_err + skew * fabs(local_interval);
dispersion = precision + inst->local_tx.err + rx_ts_err + skew * fabs(local_interval);
/* Additional tests required to pass before accumulating the sample */