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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2022-12-05 08:22:31 +0300 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-12-07 13:57:58 +0300 |
| commit | 6b30cfa86ee703dc75743d56b078661753a18da3 (patch) | |
| tree | 63e47355fafcdc5eaed8e58c6ba2f3c21ad70397 | |
| parent | 29d1e85f45e03c9fd1b8985f983f33c021e130c8 (diff) | |
| download | linux-6b30cfa86ee703dc75743d56b078661753a18da3.tar.xz | |
net: dsa: microchip: enable MTU normalization for KSZ8795 and KSZ9477 compatible switches
KSZ8795 and KSZ9477 compatible series of switches use global max frame
size configuration register. So, enable MTU normalization for this reason.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8795.c | 2 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index d01bfd609130..060e41b9b6ef 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1357,6 +1357,8 @@ int ksz8_setup(struct dsa_switch *ds) struct ksz_device *dev = ds->priv; int i; + ds->mtu_enforcement_ingress = true; + ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_FLOW_CTRL, true); /* Enable automatic fast aging when link changed detected. */ diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index f6e7968ab105..47b54ecf2c6f 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1134,6 +1134,8 @@ int ksz9477_setup(struct dsa_switch *ds) struct ksz_device *dev = ds->priv; int ret = 0; + ds->mtu_enforcement_ingress = true; + /* Required for port partitioning. */ ksz9477_cfg32(dev, REG_SW_QM_CTRL__4, UNICAST_VLAN_BOUNDARY, true); |