diff options
| author | Vadim Fedorenko <vadim.fedorenko@linux.dev> | 2025-11-24 21:11:51 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-27 03:56:34 +0300 |
| commit | dadc51871d768268ee29580fcdf21ac51b306c21 (patch) | |
| tree | 7980359727bafe60a655e7faf188d6642cfc1ea6 /drivers/ptp | |
| parent | d51de60b8edb8f333bdf84677ae273b6731ee52c (diff) | |
| download | linux-dadc51871d768268ee29580fcdf21ac51b306c21.tar.xz | |
ptp: ptp_ines: add HW timestamp configuration reporting
The driver partially stores HW timestamping configuration, but missing
pieces can be read from HW. Add callback to report configuration.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-8-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/ptp')
| -rw-r--r-- | drivers/ptp/ptp_ines.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c index 56c798e77f20..790eb42b78db 100644 --- a/drivers/ptp/ptp_ines.c +++ b/drivers/ptp/ptp_ines.c @@ -328,6 +328,28 @@ static u64 ines_find_txts(struct ines_port *port, struct sk_buff *skb) return ns; } +static int ines_hwtstamp_get(struct mii_timestamper *mii_ts, + struct kernel_hwtstamp_config *cfg) +{ + struct ines_port *port = container_of(mii_ts, struct ines_port, mii_ts); + unsigned long flags; + u32 port_conf; + + cfg->rx_filter = port->rxts_enabled ? HWTSTAMP_FILTER_PTP_V2_EVENT + : HWTSTAMP_FILTER_NONE; + if (port->txts_enabled) { + spin_lock_irqsave(&port->lock, flags); + port_conf = ines_read32(port, port_conf); + spin_unlock_irqrestore(&port->lock, flags); + cfg->tx_type = (port_conf & CM_ONE_STEP) ? HWTSTAMP_TX_ONESTEP_P2P + : HWTSTAMP_TX_OFF; + } else { + cfg->tx_type = HWTSTAMP_TX_OFF; + } + + return 0; +} + static int ines_hwtstamp_set(struct mii_timestamper *mii_ts, struct kernel_hwtstamp_config *cfg, struct netlink_ext_ack *extack) @@ -710,6 +732,7 @@ static struct mii_timestamper *ines_ptp_probe_channel(struct device *device, port->mii_ts.rxtstamp = ines_rxtstamp; port->mii_ts.txtstamp = ines_txtstamp; port->mii_ts.hwtstamp_set = ines_hwtstamp_set; + port->mii_ts.hwtstamp_get = ines_hwtstamp_get; port->mii_ts.link_state = ines_link_state; port->mii_ts.ts_info = ines_ts_info; |