diff options
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 10 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 2206789802bf..9201ed778ebc 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4401,6 +4401,16 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) WARN_ON(tx_q->tx_skbuff[first_entry]); csum_insertion = (skb->ip_summed == CHECKSUM_PARTIAL); + /* DWMAC IPs can be synthesized to support tx coe only for a few tx + * queues. In that case, checksum offloading for those queues that don't + * support tx coe needs to fallback to software checksum calculation. + */ + if (csum_insertion && + priv->plat->tx_queues_cfg[queue].coe_unsupported) { + if (unlikely(skb_checksum_help(skb))) + goto dma_map_err; + csum_insertion = !csum_insertion; + } if (likely(priv->extend_desc)) desc = (struct dma_desc *)(tx_q->dma_etx + entry); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 0f28795e581c..a09014c9e7d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -276,6 +276,9 @@ static int stmmac_mtl_setup(struct platform_device *pdev, plat->tx_queues_cfg[queue].use_prio = true; } + plat->tx_queues_cfg[queue].coe_unsupported = + of_property_read_bool(q_node, "snps,coe-unsupported"); + queue++; } if (queue != plat->tx_queues_to_use) { |