tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fd96a4057bd015d194a4b87e7c149fc2fef3c166 commit: 4721031c3559db8eae61df305f10c00099a7c1d0 [1703/1937] net: move gro definitions to include/net/gro.h config: nios2-defconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4721031c3559db8eae61df305f10c00099a7c1d0 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 4721031c3559db8eae61df305f10c00099a7c1d0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from net/core/skbuff.c:67: include/net/gro.h: In function 'ip6_gro_compute_pseudo': >> include/net/gro.h:413:29: error: implicit declaration of function 'csum_ipv6_magic'; did you mean 'csum_tcpudp_magic'? [-Werror=implicit-function-declaration] 413 | return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr, | ^~~~~~~~~~~~~~~ | csum_tcpudp_magic In file included from net/core/skbuff.c:70: include/net/ip6_checksum.h: At top level: >> include/net/ip6_checksum.h:34:9: error: conflicting types for 'csum_ipv6_magic'; have '__sum16(const struct in6_addr *, const struct in6_addr *, __u32, __u8, __wsum)' {aka 'short unsigned int(const struct in6_addr *, const struct in6_addr *, unsigned int, unsigned char, unsigned int)'} 34 | __sum16 csum_ipv6_magic(const struct in6_addr *saddr, | ^~~~~~~~~~~~~~~ In file included from net/core/skbuff.c:67: include/net/gro.h:413:29: note: previous implicit declaration of 'csum_ipv6_magic' with type 'int()' 413 | return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr, | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from net/core/dev.c:105: include/net/gro.h: In function 'ip6_gro_compute_pseudo': >> include/net/gro.h:413:29: error: implicit declaration of function 'csum_ipv6_magic'; did you mean 'csum_tcpudp_magic'? [-Werror=implicit-function-declaration] 413 | return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr, | ^~~~~~~~~~~~~~~ | csum_tcpudp_magic cc1: some warnings being treated as errors vim +413 include/net/gro.h 408 409 static inline __wsum ip6_gro_compute_pseudo(struct sk_buff *skb, int proto) 410 { 411 const struct ipv6hdr *iph = skb_gro_network_header(skb); 412 > 413 return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr, 414 skb_gro_len(skb), proto, 0)); 415 } 416 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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