Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on nf-next/master]

url:    
https://github.com/0day-ci/linux/commits/wenxu-ucloud-cn/netfilter-nf_nat_proto-add-nf_nat_bridge_ops-support/20190709-070304
base:   
https://kernel.googlesource.com/pub/scm/linux/kernel/git/pablo/nf-next.git 
master
config: x86_64-randconfig-s1-07091425 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-9) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>

All errors (new ones prefixed by >>):

   net/netfilter/nf_nat_proto.c: In function 'nf_nat_bridge_in':
>> net/netfilter/nf_nat_proto.c:1048:10: error: implicit declaration of 
>> function 'nf_nat_ipv6_in'; did you mean 'nf_nat_ipv4_in'? 
>> [-Werror=implicit-function-declaration]
      return nf_nat_ipv6_in(priv, skb, state);
             ^~~~~~~~~~~~~~
             nf_nat_ipv4_in
   net/netfilter/nf_nat_proto.c: In function 'nf_nat_bridge_out':
>> net/netfilter/nf_nat_proto.c:1062:10: error: implicit declaration of 
>> function 'nf_nat_ipv6_out'; did you mean 'nf_nat_ipv4_out'? 
>> [-Werror=implicit-function-declaration]
      return nf_nat_ipv6_out(priv, skb, state);
             ^~~~~~~~~~~~~~~
             nf_nat_ipv4_out
   cc1: some warnings being treated as errors

vim +1048 net/netfilter/nf_nat_proto.c

  1038  
  1039  #if defined(CONFIG_NF_TABLES_BRIDGE) && IS_ENABLED(CONFIG_NFT_NAT)
  1040  static unsigned int
  1041  nf_nat_bridge_in(void *priv, struct sk_buff *skb,
  1042                   const struct nf_hook_state *state)
  1043  {
  1044          switch (skb->protocol) {
  1045          case htons(ETH_P_IP):
  1046                  return nf_nat_ipv4_in(priv, skb, state);
  1047          case htons(ETH_P_IPV6):
> 1048                  return nf_nat_ipv6_in(priv, skb, state);
  1049          default:
  1050                  return NF_ACCEPT;
  1051          }
  1052  }
  1053  
  1054  static unsigned int
  1055  nf_nat_bridge_out(void *priv, struct sk_buff *skb,
  1056                    const struct nf_hook_state *state)
  1057  {
  1058          switch (skb->protocol) {
  1059          case htons(ETH_P_IP):
  1060                  return nf_nat_ipv4_out(priv, skb, state);
  1061          case htons(ETH_P_IPV6):
> 1062                  return nf_nat_ipv6_out(priv, skb, state);
  1063          default:
  1064                  return NF_ACCEPT;
  1065          }
  1066  }
  1067  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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