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authorHeiner Kallweit <hkallweit1@gmail.com>2020-02-18 23:12:52 +0300
committerDavid S. Miller <davem@davemloft.net>2020-02-19 22:21:00 +0300
commit2344120dd713122028abd434985351631ce4b2b0 (patch)
treebc6ab69407a9a4dc89802b6c0953e0972f5d13ad /drivers/net/usb
parent1eb2c576efcf930f58e3054b8890bf96d9caa474 (diff)
downloadlinux-2344120dd713122028abd434985351631ce4b2b0.tar.xz
r8152: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c26
1 files changed, 2 insertions, 24 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 78ddbaf6401b..709578f4d060 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1948,29 +1948,6 @@ drop:
}
}
-/* 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 inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
{
if (skb_vlan_tag_present(skb)) {
@@ -2016,10 +1993,11 @@ static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
break;
case htons(ETH_P_IPV6):
- if (msdn_giant_send_check(skb)) {
+ if (skb_cow_head(skb, 0)) {
ret = TX_CSUM_TSO;
goto unavailable;
}
+ tcp_v6_gso_csum_prep(skb);
opts1 |= GTSENDV6;
break;