diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeon_ep/octep_main.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeon_ep/octep_main.c | 68 |
1 files changed, 64 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index f22fd309a78f..bbfc06581e77 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -822,6 +822,7 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct octep_device *oct = netdev_priv(netdev); + netdev_features_t feat = netdev->features; struct octep_tx_sglist_desc *sglist; struct octep_tx_buffer *tx_buffer; struct octep_tx_desc_hw *hw_desc; @@ -855,8 +856,9 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, tx_buffer->skb = skb; ih = &hw_desc->ih; - ih->tlen = skb->len; - ih->pkind = oct->pkind; + ih->pkind = oct->conf->fw_info.pkind; + ih->fsz = oct->conf->fw_info.fsz; + ih->tlen = skb->len + ih->fsz; if (!nr_frags) { tx_buffer->gather = 0; @@ -903,6 +905,19 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, hw_desc->dptr = tx_buffer->sglist_dma; } + if (oct->conf->fw_info.tx_ol_flags) { + if ((feat & (NETIF_F_TSO)) && (skb_is_gso(skb))) { + hw_desc->txm.ol_flags = OCTEP_TX_OFFLOAD_CKSUM; + hw_desc->txm.ol_flags |= OCTEP_TX_OFFLOAD_TSO; + hw_desc->txm.gso_size = skb_shinfo(skb)->gso_size; + hw_desc->txm.gso_segs = skb_shinfo(skb)->gso_segs; + } else if (feat & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { + hw_desc->txm.ol_flags = OCTEP_TX_OFFLOAD_CKSUM; + } + /* due to ESR txm will be swapped by hw */ + hw_desc->txm64[0] = (__force u64)cpu_to_be64(hw_desc->txm64[0]); + } + xmit_more = netdev_xmit_more(); __netdev_tx_sent_queue(iq->netdev_q, skb->len, xmit_more); @@ -1067,6 +1082,41 @@ static int octep_change_mtu(struct net_device *netdev, int new_mtu) return err; } +static int octep_set_features(struct net_device *dev, netdev_features_t features) +{ + struct octep_ctrl_net_offloads offloads = { 0 }; + struct octep_device *oct = netdev_priv(dev); + int err; + + /* We only support features received from firmware */ + if ((features & dev->hw_features) != features) + return -EINVAL; + + if (features & NETIF_F_TSO) + offloads.tx_offloads |= OCTEP_TX_OFFLOAD_TSO; + + if (features & NETIF_F_TSO6) + offloads.tx_offloads |= OCTEP_TX_OFFLOAD_TSO; + + if (features & NETIF_F_IP_CSUM) + offloads.tx_offloads |= OCTEP_TX_OFFLOAD_CKSUM; + + if (features & NETIF_F_IPV6_CSUM) + offloads.tx_offloads |= OCTEP_TX_OFFLOAD_CKSUM; + + if (features & NETIF_F_RXCSUM) + offloads.rx_offloads |= OCTEP_RX_OFFLOAD_CKSUM; + + err = octep_ctrl_net_set_offloads(oct, + OCTEP_CTRL_NET_INVALID_VFID, + &offloads, + true); + if (!err) + dev->features = features; + + return err; +} + static const struct net_device_ops octep_netdev_ops = { .ndo_open = octep_open, .ndo_stop = octep_stop, @@ -1075,6 +1125,7 @@ static const struct net_device_ops octep_netdev_ops = { .ndo_tx_timeout = octep_tx_timeout, .ndo_set_mac_address = octep_set_mac, .ndo_change_mtu = octep_change_mtu, + .ndo_set_features = octep_set_features, }; /** @@ -1222,7 +1273,6 @@ int octep_device_setup(struct octep_device *oct) goto unsupported_dev; } - oct->pkind = CFG_GET_IQ_PKIND(oct->conf); ret = octep_ctrl_net_init(oct); if (ret) @@ -1381,7 +1431,11 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netif_carrier_off(netdev); netdev->hw_features = NETIF_F_SG; - netdev->features |= netdev->hw_features; + if (OCTEP_TX_IP_CSUM(octep_dev->conf->fw_info.tx_ol_flags)) + netdev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); + + if (OCTEP_RX_IP_CSUM(octep_dev->conf->fw_info.rx_ol_flags)) + netdev->hw_features |= NETIF_F_RXCSUM; max_rx_pktlen = octep_ctrl_net_get_mtu(octep_dev, OCTEP_CTRL_NET_INVALID_VFID); if (max_rx_pktlen < 0) { @@ -1394,6 +1448,12 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->max_mtu = max_rx_pktlen - (ETH_HLEN + ETH_FCS_LEN); netdev->mtu = OCTEP_DEFAULT_MTU; + if (OCTEP_TX_TSO(octep_dev->conf->fw_info.tx_ol_flags)) { + netdev->hw_features |= NETIF_F_TSO; + netif_set_tso_max_size(netdev, netdev->max_mtu); + } + + netdev->features |= netdev->hw_features; err = octep_ctrl_net_get_mac_addr(octep_dev, OCTEP_CTRL_NET_INVALID_VFID, octep_dev->mac_addr); if (err) { |