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net: airoha: Move min/max packet len configuration in airoha_dev_open()

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In order to align max allowed packet size to the configured mtu, move
REG_GDM_LEN_CFG configuration in airoha_dev_open routine.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250304-airoha-eth-rx-sg-v1-1-283ebc61120e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2025-03-04 15:21:08 +01:00 committed by Jakub Kicinski
parent f732549eb3
commit 54d989d58d
1 changed files with 7 additions and 7 deletions
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14
drivers/net/ethernet/airoha/airoha_eth.c
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@ -138,15 +138,10 @@ static void airoha_fe_maccr_init(struct airoha_eth *eth)
{
int p;
for (p = 1; p <= ARRAY_SIZE(eth->ports); p++) {
for (p = 1; p <= ARRAY_SIZE(eth->ports); p++)
airoha_fe_set(eth, REG_GDM_FWD_CFG(p),
GDM_TCP_CKSUM | GDM_UDP_CKSUM | GDM_IP4_CKSUM |
GDM_DROP_CRC_ERR);
airoha_fe_rmw(eth, REG_GDM_LEN_CFG(p),
GDM_SHORT_LEN_MASK | GDM_LONG_LEN_MASK,
FIELD_PREP(GDM_SHORT_LEN_MASK, 60) |
FIELD_PREP(GDM_LONG_LEN_MASK, 4004));
}
airoha_fe_rmw(eth, REG_CDM1_VLAN_CTRL, CDM1_VLAN_MASK,
FIELD_PREP(CDM1_VLAN_MASK, 0x8100));
@ -1520,9 +1515,9 @@ static void airoha_update_hw_stats(struct airoha_gdm_port *port)
static int airoha_dev_open(struct net_device *dev)
{
int err, len = ETH_HLEN + dev->mtu + ETH_FCS_LEN;
struct airoha_gdm_port *port = netdev_priv(dev);
struct airoha_qdma *qdma = port->qdma;
int err;
netif_tx_start_all_queues(dev);
err = airoha_set_vip_for_gdm_port(port, true);
@ -1536,6 +1531,11 @@ static int airoha_dev_open(struct net_device *dev)
airoha_fe_clear(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
GDM_STAG_EN_MASK);
airoha_fe_rmw(qdma->eth, REG_GDM_LEN_CFG(port->id),
GDM_SHORT_LEN_MASK | GDM_LONG_LEN_MASK,
FIELD_PREP(GDM_SHORT_LEN_MASK, 60) |
FIELD_PREP(GDM_LONG_LEN_MASK, len));
airoha_qdma_set(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);