DWS/chrony
1
0
Fork 0
mirror of https://gitlab.com/chrony/chrony.git synced 2025-12-03 21:05:06 -05:00
Code Issues Packages Projects Releases Wiki Activity

ntp: make socket resume timeout configurable

Browse Source 
In some cases even the new timeout of 1 millisecond is not sufficient to
get all HW TX timestamps. Add a new directive to allow users to
specify longer timeouts.
This commit is contained in:
Miroslav Lichvar
2023-03-09 11:09:33 +01:00
parent ccebec3eb6
commit ab776ed9d8
4 changed files with 42 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
ntp_io_linux.c
View File

@@ -91,8 +91,6 @@ static int permanent_ts_options;
suspend reading of packets from the receive queue until a HW transmit
timestamp is received from the error queue or a timeout reached. */
#define RESUME_TIMEOUT 0.001
struct HwTsSocket {
int sock_fd;
int suspended;
@@ -546,15 +544,16 @@ static void
suspend_socket(int sock_fd)
{
struct HwTsSocket *ts_sock = get_hw_ts_socket(sock_fd, 1);
double timeout = CNF_GetHwTsTimeout();
if (!ts_sock)
if (!ts_sock || timeout <= 0.0)
return;
/* Remove previous timeout if there is one */
SCH_RemoveTimeout(ts_sock->timeout_id);
ts_sock->suspended = 1;
ts_sock->timeout_id = SCH_AddTimeoutByDelay(RESUME_TIMEOUT, resume_timeout, ts_sock);
ts_sock->timeout_id = SCH_AddTimeoutByDelay(timeout, resume_timeout, ts_sock);
SCH_SetFileHandlerEvent(ts_sock->sock_fd, SCH_FILE_INPUT, 0);
DEBUG_LOG("Suspended RX processing fd=%d", ts_sock->sock_fd);