diff options
| author | Horatiu Vultur <horatiu.vultur@microchip.com> | 2022-12-03 13:43:48 +0300 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-12-06 15:26:43 +0300 |
| commit | 72df3489fb10324e30616d278ea9b37a8a801b6f (patch) | |
| tree | 51c4c3f3abb5582a07f999a43308e0d82fb4f048 /drivers/net/ethernet/microchip/lan966x/lan966x_main.c | |
| parent | 6009b61f80e0b87b06f56a9bf16a32b6f562f822 (diff) | |
| download | linux-72df3489fb10324e30616d278ea9b37a8a801b6f.tar.xz | |
net: lan966x: Add ptp trap rules
Currently lan966x, doesn't allow to run PTP over interfaces that are
part of the bridge. The reason is when the lan966x was receiving a
PTP frame (regardless if L2/IPv4/IPv6) the HW it would flood this
frame.
Now that it is possible to add VCAP rules to the HW, such to trap these
frames to the CPU, it is possible to run PTP also over interfaces that
are part of the bridge.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/microchip/lan966x/lan966x_main.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c index f6092983d028..cadde20505ba 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c @@ -443,11 +443,22 @@ static int lan966x_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct lan966x_port *port = netdev_priv(dev); + int err; + + if (cmd == SIOCSHWTSTAMP) { + err = lan966x_ptp_setup_traps(port, ifr); + if (err) + return err; + } if (!phy_has_hwtstamp(dev->phydev) && port->lan966x->ptp) { switch (cmd) { case SIOCSHWTSTAMP: - return lan966x_ptp_hwtstamp_set(port, ifr); + err = lan966x_ptp_hwtstamp_set(port, ifr); + if (err) + lan966x_ptp_del_traps(port); + + return err; case SIOCGHWTSTAMP: return lan966x_ptp_hwtstamp_get(port, ifr); } @@ -456,7 +467,11 @@ static int lan966x_port_ioctl(struct net_device *dev, struct ifreq *ifr, if (!dev->phydev) return -ENODEV; - return phy_mii_ioctl(dev->phydev, ifr, cmd); + err = phy_mii_ioctl(dev->phydev, ifr, cmd); + if (err && cmd == SIOCSHWTSTAMP) + lan966x_ptp_del_traps(port); + + return err; } static const struct net_device_ops lan966x_port_netdev_ops = { |