diff options
Diffstat (limited to 'drivers/net/ethernet/realtek')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 52a9e2d2fc73..7e1b68b19d60 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -539,11 +539,11 @@ enum rtl_tx_desc_bit_1 { TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */ TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */ #define GTTCPHO_SHIFT 18 -#define GTTCPHO_MAX 0x7fU +#define GTTCPHO_MAX 0x7f /* Second doubleword. */ #define TCPHO_SHIFT 18 -#define TCPHO_MAX 0x3ffU +#define TCPHO_MAX 0x3ff #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */ TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */ TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */ @@ -5534,11 +5534,6 @@ static void r8169_csum_workaround(struct rtl8169_private *tp, } while (segs); dev_consume_skb_any(skb); - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (skb_checksum_help(skb) < 0) - goto drop; - - rtl8169_start_xmit(skb, tp->dev); } else { drop: tp->dev->stats.tx_dropped++; @@ -5595,13 +5590,6 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, u32 mss = skb_shinfo(skb)->gso_size; if (mss) { - if (transport_offset > GTTCPHO_MAX) { - netif_warn(tp, tx_err, tp->dev, - "Invalid transport offset 0x%x for TSO\n", - transport_offset); - return false; - } - switch (vlan_get_protocol(skb)) { case htons(ETH_P_IP): opts[0] |= TD1_GTSENV4; @@ -5624,16 +5612,6 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, } else if (skb->ip_summed == CHECKSUM_PARTIAL) { u8 ip_protocol; - if (unlikely(rtl_test_hw_pad_bug(tp, skb))) - return !(skb_checksum_help(skb) || eth_skb_pad(skb)); - - if (transport_offset > TCPHO_MAX) { - netif_warn(tp, tx_err, tp->dev, - "Invalid transport offset 0x%x\n", - transport_offset); - return false; - } - switch (vlan_get_protocol(skb)) { case htons(ETH_P_IP): opts[1] |= TD1_IPv4_CS; @@ -5790,6 +5768,39 @@ err_stop_0: return NETDEV_TX_BUSY; } +static netdev_features_t rtl8169_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features) +{ + int transport_offset = skb_transport_offset(skb); + struct rtl8169_private *tp = netdev_priv(dev); + + if (skb_is_gso(skb)) { + if (transport_offset > GTTCPHO_MAX && + rtl_chip_supports_csum_v2(tp)) + features &= ~NETIF_F_ALL_TSO; + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (skb->len < ETH_ZLEN) { + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + case RTL_GIGA_MAC_VER_34: + features &= ~NETIF_F_CSUM_MASK; + break; + default: + break; + } + } + + if (transport_offset > TCPHO_MAX && + rtl_chip_supports_csum_v2(tp)) + features &= ~NETIF_F_CSUM_MASK; + } + + return vlan_features_check(skb, features); +} + static void rtl8169_pcierr_interrupt(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -6546,6 +6557,7 @@ static const struct net_device_ops rtl_netdev_ops = { .ndo_stop = rtl8169_close, .ndo_get_stats64 = rtl8169_get_stats64, .ndo_start_xmit = rtl8169_start_xmit, + .ndo_features_check = rtl8169_features_check, .ndo_tx_timeout = rtl8169_tx_timeout, .ndo_validate_addr = eth_validate_addr, .ndo_change_mtu = rtl8169_change_mtu, |