Simplify the code by using new helper tcp_v6_gso_csum_prep.
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
drivers/net/ethernet/realtek/r8169_main.c | 26 ++---------------------
1 file changed, 2 insertions(+), 24 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 5a9143b50..75ba10069 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4108,29 +4108,6 @@ static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
}
-/* msdn_giant_send_check()
- * According to the document of microsoft, the TCP Pseudo Header excludes the
- * packet length for IPv6 TCP large packets.
- */
-static int msdn_giant_send_check(struct sk_buff *skb)
-{
- const struct ipv6hdr *ipv6h;
- struct tcphdr *th;
- int ret;
-
- ret = skb_cow_head(skb, 0);
- if (ret)
- return ret;
-
- ipv6h = ipv6_hdr(skb);
- th = tcp_hdr(skb);
-
- th->check = 0;
- th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
-
- return ret;
-}
-
static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts)
{
u32 mss = skb_shinfo(skb)->gso_size;
@@ -4163,9 +4140,10 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
break;
case htons(ETH_P_IPV6):
- if (msdn_giant_send_check(skb))
+ if (skb_cow_head(skb, 0))
return false;
+ tcp_v6_gso_csum_prep(skb, false);
opts[0] |= TD1_GTSENV6;
break;
--
2.25.0
