Hi Callum,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.13-rc6 next-20210617]
[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/Callum-Sinclair/Create-multicast-snooping-sysctl-option/20210617-175212
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 70585216fe7730d9fb5453d3e2804e149d0fe201
config: x86_64-randconfig-r024-20210617 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/4220b6837f4315ff557bd44f7aada23b69e181b6
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Callum-Sinclair/Create-multicast-snooping-sysctl-option/20210617-175212
        git checkout 4220b6837f4315ff557bd44f7aada23b69e181b6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> net/ipv4/devinet.c:2069:4: error: use of undeclared identifier 'IPV4_DEVCONF_NETCONFA_MC_SNOOPING'; did you mean 'IPV4_DEVCONF_MC_SNOOPING'?
                           IPV4_DEVCONF(*devconf, NETCONFA_MC_SNOOPING)) < 0)
                           ^
   include/linux/inetdevice.h:53:45: note: expanded from macro 'IPV4_DEVCONF'
   #define IPV4_DEVCONF(cnf, attr) ((cnf).data[IPV4_DEVCONF_ ## attr - 1])
                                               ^
   <scratch space>:121:1: note: expanded from here
   IPV4_DEVCONF_NETCONFA_MC_SNOOPING
   ^
   include/uapi/linux/ip.h:172:2: note: 'IPV4_DEVCONF_MC_SNOOPING' declared here
           IPV4_DEVCONF_MC_SNOOPING,
           ^
   1 error generated.


vim +2069 net/ipv4/devinet.c

  2028	
  2029	static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex,
  2030					     struct ipv4_devconf *devconf, u32 portid,
  2031					     u32 seq, int event, unsigned int flags,
  2032					     int type)
  2033	{
  2034		struct nlmsghdr  *nlh;
  2035		struct netconfmsg *ncm;
  2036		bool all = false;
  2037	
  2038		nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct netconfmsg),
  2039				flags);
  2040		if (!nlh)
  2041			return -EMSGSIZE;
  2042	
  2043		if (type == NETCONFA_ALL)
  2044			all = true;
  2045	
  2046		ncm = nlmsg_data(nlh);
  2047		ncm->ncm_family = AF_INET;
  2048	
  2049		if (nla_put_s32(skb, NETCONFA_IFINDEX, ifindex) < 0)
  2050			goto nla_put_failure;
  2051	
  2052		if (!devconf)
  2053			goto out;
  2054	
  2055		if ((all || type == NETCONFA_FORWARDING) &&
  2056		    nla_put_s32(skb, NETCONFA_FORWARDING,
  2057				IPV4_DEVCONF(*devconf, FORWARDING)) < 0)
  2058			goto nla_put_failure;
  2059		if ((all || type == NETCONFA_RP_FILTER) &&
  2060		    nla_put_s32(skb, NETCONFA_RP_FILTER,
  2061				IPV4_DEVCONF(*devconf, RP_FILTER)) < 0)
  2062			goto nla_put_failure;
  2063		if ((all || type == NETCONFA_MC_FORWARDING) &&
  2064		    nla_put_s32(skb, NETCONFA_MC_FORWARDING,
  2065				IPV4_DEVCONF(*devconf, MC_FORWARDING)) < 0)
  2066			goto nla_put_failure;
  2067		if ((all || type == NETCONFA_MC_SNOOPING) &&
  2068		    nla_put_s32(skb, NETCONFA_MC_SNOOPING,
> 2069				IPV4_DEVCONF(*devconf, NETCONFA_MC_SNOOPING)) < 0)
  2070			goto nla_put_failure;
  2071		if ((all || type == NETCONFA_BC_FORWARDING) &&
  2072		    nla_put_s32(skb, NETCONFA_BC_FORWARDING,
  2073				IPV4_DEVCONF(*devconf, BC_FORWARDING)) < 0)
  2074			goto nla_put_failure;
  2075		if ((all || type == NETCONFA_PROXY_NEIGH) &&
  2076		    nla_put_s32(skb, NETCONFA_PROXY_NEIGH,
  2077				IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0)
  2078			goto nla_put_failure;
  2079		if ((all || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) &&
  2080		    nla_put_s32(skb, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN,
  2081				IPV4_DEVCONF(*devconf, IGNORE_ROUTES_WITH_LINKDOWN)) < 0)
  2082			goto nla_put_failure;
  2083	
  2084	out:
  2085		nlmsg_end(skb, nlh);
  2086		return 0;
  2087	
  2088	nla_put_failure:
  2089		nlmsg_cancel(skb, nlh);
  2090		return -EMSGSIZE;
  2091	}
  2092	

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