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ntp: add PTP rxfilter

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Setting rxfilter to ptp enables timestamping of PTPv2 packets (UDP or
all transports). It will be needed for NTP-over-PTP support.
This commit is contained in:
Miroslav Lichvar
2021-08-18 10:44:48 +02:00
parent b2c2132e4b
commit 2f1d5d9255
4 changed files with 13 additions and 0 deletions
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8
ntp_io_linux.c
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@@ -189,6 +189,14 @@ add_interface(CNF_HwTsInterface *conf_iface)
rx_filter = HWTSTAMP_FILTER_NTP_ALL;
break;
#endif
case CNF_HWTS_RXFILTER_PTP:
if (ts_info.rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT))
rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
else if (ts_info.rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_EVENT))
rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
else
rx_filter = HWTSTAMP_FILTER_NONE;
break;
default:
rx_filter = HWTSTAMP_FILTER_ALL;
break;