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ntp: don't require previous HW TX timestamp to wait for another

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Clients sockets are closed immediately after receiving valid response.
Don't wait for the first early HW TX timestamp to enable waiting for
late timestamps. It may take a long time or never come if the HW/driver
is consistently slow. It's a chicken and egg problem.

Instead, simply check if HW timestamping is enabled on at least one
interface. Responses from NTP sources on other interfaces will always be
saved (for 1 millisecond by default).
This commit is contained in:
Miroslav Lichvar
2023-08-08 15:44:25 +02:00
parent 7bc7d00297
commit 3dc9f1ff92
6 changed files with 28 additions and 13 deletions
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ntp_io_linux.h
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@@ -33,6 +33,8 @@ extern void NIO_Linux_Initialise(void);
extern void NIO_Linux_Finalise(void);
extern int NIO_Linux_IsHwTsEnabled(void);
extern int NIO_Linux_SetTimestampSocketOptions(int sock_fd, int client_only, int *events);
extern int NIO_Linux_ProcessMessage(SCK_Message *message, NTP_Local_Address *local_addr,