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linux-next/include/soc/mscc
Yangbo Lu 39e5308b32 net: mscc: ocelot: support PTP Sync one-step timestamping
Although HWTSTAMP_TX_ONESTEP_SYNC existed in ioctl for hardware timestamp
configuration, the PTP Sync one-step timestamping had never been supported.

This patch is to truely support it.

- ocelot_port_txtstamp_request()
  This function handles tx timestamp request by storing
  ptp_cmd(tx timestamp type) in OCELOT_SKB_CB(skb)->ptp_cmd,
  and additionally for two-step timestamp storing ts_id in
  OCELOT_SKB_CB(clone)->ptp_cmd.

- ocelot_ptp_rew_op()
  During xmit, this function is called to get rew_op (rewriter option) by
  checking skb->cb for tx timestamp request, and configure to transmitting.

Non-onestep-Sync packet with one-step timestamp request falls back to use
two-step timestamp.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-27 14:10:15 -07:00
..
ocelot_ana.h net: mscc: ocelot: fix fields offset in SG_CONFIG_REG_3 2020-09-24 20:00:40 -07:00
ocelot_dev.h net: mscc: ocelot: convert port registers to regmap 2020-07-13 17:40:01 -07:00
ocelot_hsio.h
ocelot_ptp.h time64.h: Consolidated PSEC_PER_SEC definition 2021-04-06 16:32:17 -07:00
ocelot_qsys.h net: mscc: ocelot: add ops for decoding watermark threshold and occupancy 2021-01-15 20:02:34 -08:00
ocelot_sys.h net: mscc: ocelot: convert SYS_PAUSE_CFG register access to regfield 2020-07-13 17:40:02 -07:00
ocelot_vcap.h net: dsa: felix: perform switch setup for tag_8021q 2021-01-29 21:25:27 -08:00
ocelot.h net: mscc: ocelot: support PTP Sync one-step timestamping 2021-04-27 14:10:15 -07:00