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Message-ID: <202112091907.6iLel0c9-lkp@intel.com>
Date:   Thu, 9 Dec 2021 19:57:38 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sun Shouxin <sunshouxin@...natelecom.cn>, j.vosburgh@...il.com,
        vfalico@...il.com, andy@...yhouse.net, davem@...emloft.net,
        kuba@...nel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        huyd12@...natelecom.cn
Subject: Re: [PATCH] net: bonding: Add support for IPV6 ns/na

Hi Sun,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.16-rc4 next-20211208]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Sun-Shouxin/net-bonding-Add-support-for-IPV6-ns-na/20211209-150108
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2a987e65025e2b79c6d453b78cb5985ac6e5eb26
config: riscv-randconfig-c006-20211209 (https://download.01.org/0day-ci/archive/20211209/202112091907.6iLel0c9-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
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://github.com/0day-ci/linux/commit/ab724c314fcdcaa60e70c590850b2ce57430d7fa
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sun-Shouxin/net-bonding-Add-support-for-IPV6-ns-na/20211209-150108
        git checkout ab724c314fcdcaa60e70c590850b2ce57430d7fa
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/net/bonding/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/net/bonding/bond_alb.c:1307:26: error: implicit declaration of function 'csum_ipv6_magic' [-Werror,-Wimplicit-function-declaration]
                           icmp6h->icmp6_cksum = csum_ipv6_magic(&ip6hdr->saddr,
                                                 ^
   drivers/net/bonding/bond_alb.c:1307:26: 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 +1307 drivers/net/bonding/bond_alb.c

  1272	
  1273	static void alb_change_nd_option(struct sk_buff *skb, void *data)
  1274	{
  1275		struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
  1276		struct nd_opt_hdr *nd_opt = (struct nd_opt_hdr *)msg->opt;
  1277		struct net_device *dev = skb->dev;
  1278		struct icmp6hdr *icmp6h = icmp6_hdr(skb);
  1279		struct ipv6hdr *ip6hdr = ipv6_hdr(skb);
  1280		u8 *lladdr = NULL;
  1281		u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
  1282					offsetof(struct nd_msg, opt));
  1283	
  1284		while (ndoptlen) {
  1285			int l;
  1286	
  1287			switch (nd_opt->nd_opt_type) {
  1288			case ND_OPT_SOURCE_LL_ADDR:
  1289			case ND_OPT_TARGET_LL_ADDR:
  1290			lladdr = ndisc_opt_addr_data(nd_opt, dev);
  1291			break;
  1292	
  1293			default:
  1294			break;
  1295			}
  1296	
  1297			l = nd_opt->nd_opt_len << 3;
  1298	
  1299			if (ndoptlen < l || l == 0)
  1300				return;
  1301	
  1302			if (lladdr) {
  1303				memcpy(lladdr, data, dev->addr_len);
  1304				lladdr = NULL;
  1305				icmp6h->icmp6_cksum = 0;
  1306	
> 1307				icmp6h->icmp6_cksum = csum_ipv6_magic(&ip6hdr->saddr,
  1308								      &ip6hdr->daddr,
  1309							ntohs(ip6hdr->payload_len),
  1310							IPPROTO_ICMPV6,
  1311							csum_partial(icmp6h,
  1312								     ntohs(ip6hdr->payload_len), 0));
  1313				lladdr = NULL;
  1314			}
  1315			ndoptlen -= l;
  1316			nd_opt = ((void *)nd_opt) + l;
  1317		}
  1318	}
  1319	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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