kernel/drivers/net/ethernet/sfc, branch linux-4.16.y

sfc: mark some unexported symbols as static

2018-01-29T02:59:18Z

efx_default_channel_want_txqs() is only used in efx.c, while efx_ptp_want_txqs() and efx_ptp_channel_type (a struct) are only used in ptp.c. In all cases these symbols should be static. Fixes: 2935e3c38228 ("sfc: on 8000 series use TX queues for TX timestamps") Signed-off-by: Fengguang Wu [ecree@solarflare.com: rewrote commit message] Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: add suffix to large constant in ptp

2018-01-26T15:20:09Z

Fixes: 1280c0f8aafc ("sfc: support second + quarter ns time format for receive datapath") Reported-by: kbuild test robot Signed-off-by: Bert Kenward Signed-off-by: David S. Miller

sfc: support Medford2 frequency adjustment format

2018-01-25T21:05:15Z

Support increased precision frequency adjustment format (FP44) used by Medford2 adapters. Signed-off-by: Laurence Evans Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: support second + quarter ns time format for receive datapath

2018-01-25T21:05:15Z

The time_format that we stash in the PTP data structure is never referenced, so we can remove it. Instead, store the information needed to interpret sync event timestamps. Also rolls in a couple of other related minor PTP fixes. Based on patches by Bert Kenward and Laurence Evans . Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: support separate PTP and general timestamping

2018-01-25T21:05:14Z

Support MC_CMD_PTP_OUT_GET_TIMESTAMP_CORRECTIONS_V2. Extract general timestamp corrections in addition to PTP corrections. Apply receive timestamp corrections for general datapath receive timestamping, and correspondingly for transmit. Signed-off-by: Laurence Evans Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: simplify RX datapath timestamping

2018-01-25T21:05:14Z

Use timestamp conversion function with correction to avoid duplicate correction handling. Signed-off-by: Laurence Evans Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: only advertise TX timestamping if we have the license for it

2018-01-25T21:05:14Z

We check the license for TX hardware timestamping capability. The PTP probe will have enabled PTP sync events from the adapter. If later, at TX queue init, it turns out we do not have the license, we don't need the sync events either. Signed-off-by: Martin Habets Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: on 8000 series use TX queues for TX timestamps

2018-01-25T21:05:14Z

For this we create and use one or more new TX queues on the PTP channel, and enable sync events for it. Based on a patch by Martin Habets . Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: MAC TX timestamp handling on the 8000 series

2018-01-25T21:05:14Z

TX timestamps on 8000 series are supplied from the MAC. This timestamp is only 48 bits long. The high order bits from the last time sync event are used for the top 16 bits. Signed-off-by: Martin Habets Signed-off-by: Edward Cree Signed-off-by: David S. Miller

sfc: only enable TX timestamping if the adapter is licensed for it

2018-01-25T21:05:14Z

If we try to enable the feature and do not have the license for it, the MCPU will refuse and fail our TX queue init. Signed-off-by: Martin Habets Signed-off-by: Edward Cree Signed-off-by: David S. Miller