diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-04-13 16:04:28 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-04-13 16:04:28 -0700 |
| commit | 800e68c44ffe71f9715f745b38fd1af6910b3773 (patch) | |
| tree | 898caef9a109e429776e65c1083d1503207bebed /drivers/net/ethernet/freescale/enetc | |
| parent | 4033eaa68af6e3e9a8ec3819a9369d29aee8a2c4 (diff) | |
| parent | 829cca4d1783088e43bace57a555044cc937c554 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
tools/testing/selftests/net/config
62199e3f1658 ("selftests: net: Add VXLAN MDB test")
3a0385be133e ("selftests: add the missing CONFIG_IP_SCTP in net config")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc_ethtool.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index da9d4b310fcd..838750a03cf6 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -989,6 +989,20 @@ static int enetc_get_mm(struct net_device *ndev, struct ethtool_mm_state *state) return 0; } +/* FIXME: Workaround for the link partner's verification failing if ENETC + * priorly received too much express traffic. The documentation doesn't + * suggest this is needed. + */ +static void enetc_restart_emac_rx(struct enetc_si *si) +{ + u32 val = enetc_port_rd(&si->hw, ENETC_PM0_CMD_CFG); + + enetc_port_wr(&si->hw, ENETC_PM0_CMD_CFG, val & ~ENETC_PM0_RX_EN); + + if (val & ENETC_PM0_RX_EN) + enetc_port_wr(&si->hw, ENETC_PM0_CMD_CFG, val); +} + static int enetc_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg, struct netlink_ext_ack *extack) { @@ -1040,6 +1054,8 @@ static int enetc_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg, enetc_port_wr(hw, ENETC_MMCSR, val); + enetc_restart_emac_rx(priv->si); + mutex_unlock(&priv->mm_lock); return 0; |