007747a984
When multiple sockets using the SOF_TIMESTAMPING_BIND_PHC flag received
a packet with a hardware timestamp (e.g. multiple PTP instances in
different PTP domains using the UDPv4/v6 multicast or L2 transport),
the timestamps received on some sockets were corrupted due to repeated
conversion of the same timestamp (by the same or different vclocks).
Fix ptp_convert_timestamp() to not modify the shared skb timestamp
and return the converted timestamp as a ktime_t instead. If the
conversion fails, return 0 to not confuse the application with
timestamps corresponding to an unexpected PHC.
Fixes:
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||
|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| ptp_chardev.c | ||
| ptp_clock.c | ||
| ptp_clockmatrix.c | ||
| ptp_clockmatrix.h | ||
| ptp_dte.c | ||
| ptp_idt82p33.c | ||
| ptp_idt82p33.h | ||
| ptp_ines.c | ||
| ptp_kvm_arm.c | ||
| ptp_kvm_common.c | ||
| ptp_kvm_x86.c | ||
| ptp_ocp.c | ||
| ptp_pch.c | ||
| ptp_private.h | ||
| ptp_qoriq.c | ||
| ptp_qoriq_debugfs.c | ||
| ptp_sysfs.c | ||
| ptp_vclock.c | ||
| ptp_vmw.c | ||