Hello.
On 08/13/2013 11:28 AM, Hayes Wang wrote:
Enable tx checksum.
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 63 +++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 58 insertions(+), 5 deletions(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index c6c5aa2..5d9d949 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
[...]
@@ -964,6 +971,51 @@ err1:
return -ENOMEM;
}
+static void
+r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, struct sk_buff *skb)
+{
[...]
+ if (ip_protocol == IPPROTO_TCP) {
+ opts2 |= TCP_CS;
+ opts2 |= (skb_transport_offset(skb) & 0x7fff) << 17;
+ } else if (ip_protocol == IPPROTO_UDP) {
+ opts2 |= UDP_CS;
+ } else
+ WARN_ON_ONCE(1);
Stange, why *else if* branch has {} and *else* don't. It should, according
to Documentation/CodingStyle.
+
+ desc->opts2 = cpu_to_le32(opts2);
+ }
+}
+
WBR, Sergei
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