releases/4.4.81/sh_eth-r8a7740-supports-packet-shecksumming.patch

   1 From foo@baz Wed Aug  9 11:19:16 PDT 2017
   2 From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
   3 Date: Thu, 5 Jan 2017 00:29:32 +0300
   4 Subject: sh_eth: R8A7740 supports packet shecksumming
   5
   6 From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
   7
   8
   9 [ Upstream commit 0f1f9cbc04dbb3cc310f70a11cba0cf1f2109d9c ]
  10
  11 The R8A7740 GEther controller supports the packet checksum offloading
  12 but the 'hw_crc' (bad name, I'll fix it) flag isn't set in the R8A7740
  13 data,  thus CSMR isn't cleared...
  14
  15 Fixes: 73a0d907301e ("net: sh_eth: add support R8A7740")
  16 Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
  17 Signed-off-by: David S. Miller <davem@davemloft.net>
  18 Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
  19 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  20 ---
  21  drivers/net/ethernet/renesas/sh_eth.c |    1 +
  22  1 file changed, 1 insertion(+)
  23
  24 --- a/drivers/net/ethernet/renesas/sh_eth.c
  25 +++ b/drivers/net/ethernet/renesas/sh_eth.c
  26 @@ -819,6 +819,7 @@ static struct sh_eth_cpu_data r8a7740_da
  27         .rpadir_value   = 2 << 16,
  28         .no_trimd       = 1,
  29         .no_ade         = 1,
  30 +       .hw_crc         = 1,
  31         .tsu            = 1,
  32         .select_mii     = 1,
  33         .shift_rd0      = 1,