net: stmmac: modify default value of tx-frames
the default value of tx-frames is 25, it's too late when passing tstamp to stack, then the ptp4l will fail: ptp4l -i eth0 -f gPTP.cfg -m ptp4l: selected /dev/ptp0 as PTP clock ptp4l: port 1: INITIALIZING to LISTENING on INITIALIZE ptp4l: port 0: INITIALIZING to LISTENING on INITIALIZE ptp4l: port 1: link up ptp4l: timed out while polling for tx timestamp ptp4l: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l: port 1: send peer delay response failed ptp4l: port 1: LISTENING to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l tests pass when changing the tx-frames from 25 to 1 with ethtool -C option. It should be fine to set tx-frames default value to 1, so ptp4l will pass by default. Signed-off-by: Biao Huang <biao.huang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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