diff options
| author | Laurence Evans <levans@solarflare.com> | 2018-01-25 17:27:02 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-25 16:05:14 -0500 |
| commit | c4f64fcc4d31e7f773cb4eec9d90c40ebb049c14 (patch) | |
| tree | 71a3274bc1437a46cc7a0e78327655f3661103d5 /drivers/net/ethernet/sfc/ptp.c | |
| parent | 6aa47c87cb053670bb636fb2001deb4a868f9486 (diff) | |
| download | linux-c4f64fcc4d31e7f773cb4eec9d90c40ebb049c14.tar.bz2 | |
sfc: simplify RX datapath timestamping
Use timestamp conversion function with correction to avoid duplicate
correction handling.
Signed-off-by: Laurence Evans <levans@solarflare.com>
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/ptp.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ptp.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index cbfc171d90ee..29dbb47b270c 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -586,8 +586,6 @@ static int efx_ptp_get_attributes(struct efx_nic *efx) return -ERANGE; } - ptp->time_format = fmt; - /* MC_CMD_PTP_OP_GET_ATTRIBUTES is an extended version of an older * operation MC_CMD_PTP_OP_GET_TIME_FORMAT that also returns a value * to use for the minimum acceptable corrected synchronization window. @@ -1869,10 +1867,7 @@ void __efx_rx_skb_attach_timestamp(struct efx_channel *channel, u32 diff, carry; struct skb_shared_hwtstamps *timestamps; - pkt_timestamp_minor = (efx_rx_buf_timestamp_minor(efx, - skb_mac_header(skb)) + - (u32) efx->ptp_data->ts_corrections.rx) & - (MINOR_TICKS_PER_SECOND - 1); + pkt_timestamp_minor = efx_rx_buf_timestamp_minor(efx, skb_mac_header(skb)); /* get the difference between the packet and sync timestamps, * modulo one second @@ -1910,8 +1905,10 @@ void __efx_rx_skb_attach_timestamp(struct efx_channel *channel, /* attach the timestamps to the skb */ timestamps = skb_hwtstamps(skb); - timestamps->hwtstamp = - efx_ptp_s27_to_ktime(pkt_timestamp_major, pkt_timestamp_minor); + timestamps->hwtstamp = efx_ptp_s27_to_ktime_correction( + pkt_timestamp_major, + pkt_timestamp_minor, + efx->ptp_data->ts_corrections.rx); } static int efx_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta) |