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| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2020-04-18 23:10:44 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-04-18 20:20:11 -0700 |
| commit | 0623b98b41cd16073ee15f35e058194313e6dc51 (patch) | |
| tree | 889c1b93f70aaece776af856fb0d9e14f32c771b | |
| parent | r8169: use rtl8169_set_features in rtl8169_init_one (diff) | |
| download | wireguard-linux-0623b98b41cd16073ee15f35e058194313e6dc51.tar.xz wireguard-linux-0623b98b41cd16073ee15f35e058194313e6dc51.zip | |
r8169: improve rtl8169_tso_csum_v2
Simplify the code and avoid the overhead of calling vlan_get_protocol().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index e8c55b795c76..2cd2b038e4eb 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4127,25 +4127,20 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, struct sk_buff *skb, u32 *opts) { u32 transport_offset = (u32)skb_transport_offset(skb); - u32 mss = skb_shinfo(skb)->gso_size; + struct skb_shared_info *shinfo = skb_shinfo(skb); + u32 mss = shinfo->gso_size; if (mss) { - switch (vlan_get_protocol(skb)) { - case htons(ETH_P_IP): + if (shinfo->gso_type & SKB_GSO_TCPV4) { opts[0] |= TD1_GTSENV4; - break; - - case htons(ETH_P_IPV6): + } else if (shinfo->gso_type & SKB_GSO_TCPV6) { if (skb_cow_head(skb, 0)) return false; tcp_v6_gso_csum_prep(skb); opts[0] |= TD1_GTSENV6; - break; - - default: + } else { WARN_ON_ONCE(1); - break; } opts[0] |= transport_offset << GTTCPHO_SHIFT; |