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vmxnet3: use correct tcp hdr length when packet is encapsulated 

[ Upstream commit 8a7f280f29 ]

Commit dacce2be33 ("vmxnet3: add geneve and vxlan tunnel offload
support") added support for encapsulation offload. However, while
calculating tcp hdr length, it does not take into account if the
packet is encapsulated or not.

This patch fixes this issue by using correct reference for inner
tcp header.

Fixes: dacce2be33 ("vmxnet3: add geneve and vxlan tunnel offload support")
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Acked-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ronak Doshi 2020-08-10 09:55:55 -07:00 committed by Greg Kroah-Hartman
parent e07d0ccd7f
commit 8a337428a5
1 changed files with 2 additions and 1 deletions
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3
drivers/net/vmxnet3/vmxnet3_drv.c
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@ -861,7 +861,8 @@ vmxnet3_parse_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
switch (protocol) {
case IPPROTO_TCP:
ctx->l4_hdr_size = tcp_hdrlen(skb);
ctx->l4_hdr_size = skb->encapsulation ? inner_tcp_hdrlen(skb) :
tcp_hdrlen(skb);
break;
case IPPROTO_UDP:
ctx->l4_hdr_size = sizeof(struct udphdr);