r8169: improve rtl8169_tso_csum_v2 (0623b98b) · Commits · 戴 / test

drivers/net/ethernet/realtek/r8169_main.c

+5 −10

Original line number	Diff line number	Diff line
		@@ -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;