netdev - Re: [PATCH] net: emac: emac gigabit ethernet controller driver

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Date:	Tue, 8 Dec 2015 07:37:03 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Gilad Avidov <gavidov@...eaurora.org>
Cc:	kbuild-all@...org, gregkh@...uxfoundation.org,
	netdev@...r.kernel.org, sdharia@...eaurora.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	vikrams@...eaurora.org, shankerd@...eaurora.org,
	Gilad Avidov <gavidov@...eaurora.org>
Subject: Re: [PATCH] net: emac: emac gigabit ethernet controller driver

Hi Gilad,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4-rc4 next-20151207]

url:    https://github.com/0day-ci/linux/commits/Gilad-Avidov/net-emac-emac-gigabit-ethernet-controller-driver/20151208-070026
config: openrisc-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   drivers/net/ethernet/qualcomm/emac/emac-mac.c: In function 'emac_tso_csum':
>> drivers/net/ethernet/qualcomm/emac/emac-mac.c:2086:4: error: implicit declaration of function 'csum_ipv6_magic'

vim +/csum_ipv6_magic +2086 drivers/net/ethernet/qualcomm/emac/emac-mac.c

  2080				union emac_tpd extra_tpd;
  2081	
  2082				memset(tpd, 0, sizeof(*tpd));
  2083				memset(&extra_tpd, 0, sizeof(extra_tpd));
  2084	
  2085				ipv6_hdr(skb)->payload_len = 0;
> 2086				tcp_hdr(skb)->check = ~csum_ipv6_magic(
  2087							&ipv6_hdr(skb)->saddr,
  2088							&ipv6_hdr(skb)->daddr,
  2089							0, IPPROTO_TCP, 0);

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