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authorAndrew Lunn <andrew@lunn.ch>2018-07-18 23:38:24 +0300
committerDavid S. Miller <davem@davemloft.net>2018-07-19 01:05:38 +0300
commit48cb5e03d58b7179dd8e71c1e8e068630b440b1c (patch)
treeb80598d9bbb17ae9c441c1a596139777de650a44 /drivers/net/dsa/mv88e6xxx/hwtstamp.c
parentffc705de86e28e7a6e6f8d2e0be73c4181b37b4b (diff)
downloadlinux-48cb5e03d58b7179dd8e71c1e8e068630b440b1c.tar.xz
net: dsa: mv88e6xxx: Abstract supported PTP filters
The 6165 only supports layer L2 PTP, where as the more modern devices also support UDP and UDPv6, i.e. L4. Abstract the supported receive filters. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/hwtstamp.c')
-rw-r--r--drivers/net/dsa/mv88e6xxx/hwtstamp.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.c b/drivers/net/dsa/mv88e6xxx/hwtstamp.c
index 1378c9d102a1..0307704e0063 100644
--- a/drivers/net/dsa/mv88e6xxx/hwtstamp.c
+++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.c
@@ -61,7 +61,11 @@ static int mv88e6xxx_ptp_write(struct mv88e6xxx_chip *chip, int addr,
int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port,
struct ethtool_ts_info *info)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ const struct mv88e6xxx_ptp_ops *ptp_ops;
+ struct mv88e6xxx_chip *chip;
+
+ chip = ds->priv;
+ ptp_ops = chip->info->ops->ptp_ops;
if (!chip->info->ptp_support)
return -EOPNOTSUPP;
@@ -74,17 +78,7 @@ int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port,
info->tx_types =
(1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON);
- info->rx_filters =
- (1 << HWTSTAMP_FILTER_NONE) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
- (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
- (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ);
+ info->rx_filters = ptp_ops->rx_filters;
return 0;
}
@@ -119,6 +113,14 @@ static int mv88e6xxx_set_hwtstamp_config(struct mv88e6xxx_chip *chip, int port,
/* The switch supports timestamping both L2 and L4; one cannot be
* disabled independently of the other.
*/
+
+ if (!(BIT(config->rx_filter) & ptp_ops->rx_filters)) {
+ config->rx_filter = HWTSTAMP_FILTER_NONE;
+ dev_dbg(chip->dev, "Unsupported rx_filter %d\n",
+ config->rx_filter);
+ return -ERANGE;
+ }
+
switch (config->rx_filter) {
case HWTSTAMP_FILTER_NONE:
tstamp_enable = false;