target/linux/brcm2708/patches-4.14/950-0317-ifb-fix-packets-checksum.patch

   1 From 258289e9f25dae86004eea357177ac9c372addc7 Mon Sep 17 00:00:00 2001
   2 From: Jon Maxwell <jmaxwell37@gmail.com>
   3 Date: Fri, 25 May 2018 07:38:29 +1000
   4 Subject: [PATCH 317/454] ifb: fix packets checksum
   5
   6 commit b1d2e4e03f92734ff524f96c4b2287133de7a4a3 upstream.
   7
   8 Fixup the checksum for CHECKSUM_COMPLETE when pulling skbs on RX path.
   9 Otherwise we get splats when tc mirred is used to redirect packets to ifb.
  10
  11 Before fix:
  12
  13 nic: hw csum failure
  14
  15 Signed-off-by: Jon Maxwell <jmaxwell37@gmail.com>
  16 Signed-off-by: David S. Miller <davem@davemloft.net>
  17 ---
  18  drivers/net/ifb.c | 2 +-
  19  1 file changed, 1 insertion(+), 1 deletion(-)
  20
  21 --- a/drivers/net/ifb.c
  22 +++ b/drivers/net/ifb.c
  23 @@ -102,7 +102,7 @@ static void ifb_ri_tasklet(unsigned long
  24                 if (!skb->tc_from_ingress) {
  25                         dev_queue_xmit(skb);
  26                 } else {
  27 -                       skb_pull(skb, skb->mac_len);
  28 +                       skb_pull_rcsum(skb, skb->mac_len);
  29                         netif_receive_skb(skb);
  30                 }
  31         }