tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d3d22efa090e7a5d3691613297aab12c6d2708a commit: fb8629e2cbfce2b695521d6d33d029117ceda007 [6474/7611] net: enetc: add support for software TSO config: riscv-randconfig-c006-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fb8629e2cbfce2b695521d6d33d029117ceda007 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 fb8629e2cbfce2b695521d6d33d029117ceda007 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/net/ethernet/freescale/enetc/enetc.c:452:16: error: implicit declaration of function 'csum_ipv6_magic' [-Werror,-Wimplicit-function-declaration] csum_final = csum_ipv6_magic(&ipv6_hdr(skb)->saddr, ^ drivers/net/ethernet/freescale/enetc/enetc.c:452:16: note: did you mean 'csum_tcpudp_magic'? include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, ^ 1 error generated. vim +/csum_ipv6_magic +452 drivers/net/ethernet/freescale/enetc/enetc.c 436 437 static void enetc_tso_complete_csum(struct enetc_bdr *tx_ring, struct tso_t *tso, 438 struct sk_buff *skb, char *hdr, int len, 439 __wsum sum) 440 { 441 char *l4_hdr = hdr + skb_transport_offset(skb); 442 __sum16 csum_final; 443 444 /* Complete the L4 checksum by appending the pseudo-header to the 445 * already computed checksum. 446 */ 447 if (!tso->ipv6) 448 csum_final = csum_tcpudp_magic(ip_hdr(skb)->saddr, 449 ip_hdr(skb)->daddr, 450 len, ip_hdr(skb)->protocol, sum); 451 else > 452 csum_final = csum_ipv6_magic(&ipv6_hdr(skb)->saddr, 453 &ipv6_hdr(skb)->daddr, 454 len, ipv6_hdr(skb)->nexthdr, sum); 455 456 if (tso->tlen != sizeof(struct udphdr)) { 457 struct tcphdr *tcph = (struct tcphdr *)(l4_hdr); 458 459 tcph->check = csum_final; 460 } else { 461 struct udphdr *udph = (struct udphdr *)(l4_hdr); 462 463 udph->check = csum_final; 464 } 465 } 466 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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