diff options
Diffstat (limited to 'target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c')
| -rw-r--r-- | target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c index c5c6e3b6b7..de54868cad 100644 --- a/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c +++ b/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.c @@ -1129,23 +1129,16 @@ static int rtl838x_eth_tx(struct sk_buff *skb, struct net_device *dev) /* Check for DSA tagging at the end of the buffer */ if (netdev_uses_dsa(dev) && skb->data[len-4] == 0x80 && skb->data[len-3] > 0 - && skb->data[len-3] < 28 && skb->data[len-2] == 0x10 + && skb->data[len-3] < priv->cpu_port && skb->data[len-2] == 0x10 && skb->data[len-1] == 0x00) { /* Reuse tag space for CRC if possible */ dest_port = skb->data[len-3]; + skb->data[len-4] = skb->data[len-3] = skb->data[len-2] = skb->data[len-1] = 0x00; len -= 4; } len += 4; // Add space for CRC - // On RTL8380 SoCs, the packet needs extra padding - if (priv->family_id == RTL8380_FAMILY_ID) { - if (len < ETH_ZLEN) - len = ETH_ZLEN; // SoC not automatically padding to ETH_ZLEN - else - len += 4; - } - if (skb_padto(skb, len)) { ret = NETDEV_TX_OK; goto txdone; @@ -1158,6 +1151,11 @@ static int rtl838x_eth_tx(struct sk_buff *skb, struct net_device *dev) h = &ring->tx_header[q][ring->c_tx[q]]; h->size = len; h->len = len; + // On RTL8380 SoCs, small packet lengths being sent need adjustments + if (priv->family_id == RTL8380_FAMILY_ID) { + if (len < ETH_ZLEN - 4) + h->len -= 4; + } priv->r->create_tx_header(h, dest_port, skb->priority >> 1); |