diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_ptp.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_ptp.c b/drivers/net/ethernet/google/gve/gve_ptp.c index e96247c9d68d..073677d82ee8 100644 --- a/drivers/net/ethernet/google/gve/gve_ptp.c +++ b/drivers/net/ethernet/google/gve/gve_ptp.c @@ -26,6 +26,19 @@ int gve_clock_nic_ts_read(struct gve_priv *priv) return 0; } +static int gve_ptp_gettimex64(struct ptp_clock_info *info, + struct timespec64 *ts, + struct ptp_system_timestamp *sts) +{ + return -EOPNOTSUPP; +} + +static int gve_ptp_settime64(struct ptp_clock_info *info, + const struct timespec64 *ts) +{ + return -EOPNOTSUPP; +} + static long gve_ptp_do_aux_work(struct ptp_clock_info *info) { const struct gve_ptp *ptp = container_of(info, struct gve_ptp, info); @@ -47,6 +60,8 @@ out: static const struct ptp_clock_info gve_ptp_caps = { .owner = THIS_MODULE, .name = "gve clock", + .gettimex64 = gve_ptp_gettimex64, + .settime64 = gve_ptp_settime64, .do_aux_work = gve_ptp_do_aux_work, }; @@ -118,9 +133,21 @@ int gve_init_clock(struct gve_priv *priv) err = -ENOMEM; goto release_ptp; } + err = gve_clock_nic_ts_read(priv); + if (err) { + dev_err(&priv->pdev->dev, "failed to read NIC clock %d\n", err); + goto release_nic_ts_report; + } + ptp_schedule_worker(priv->ptp->clock, + msecs_to_jiffies(GVE_NIC_TS_SYNC_INTERVAL_MS)); return 0; +release_nic_ts_report: + dma_free_coherent(&priv->pdev->dev, + sizeof(struct gve_nic_ts_report), + priv->nic_ts_report, priv->nic_ts_report_bus); + priv->nic_ts_report = NULL; release_ptp: gve_ptp_release(priv); return err; |