Re: [RFC PATCH bpf-next 4/5] bpf: add smc negotiator support in BPF struct_ops

Re: [RFC PATCH bpf-next 4/5] bpf: add smc negotiator support in BPF struct_ops

[kernel test robot]

Hi Wythe,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

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

url:    https://github.com/intel-lab-lkp/linux/commits/D-Wythe/net-smc-move-smc_sock-related-structure-definition/20230406-233148
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/1680795034-86384-5-git-send-email-alibuda%40linux.alibaba.com
patch subject: [RFC PATCH bpf-next 4/5] bpf: add smc negotiator support in BPF struct_ops
config: i386-randconfig-a001-20230403 (https://download.01.org/0day-ci/archive/20230407/202304070405.Zgl8WMAW-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://github.com/intel-lab-lkp/linux/commit/4b65a6397e28b562750d5c411994667c30002963
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review D-Wythe/net-smc-move-smc_sock-related-structure-definition/20230406-233148
        git checkout 4b65a6397e28b562750d5c411994667c30002963
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304070405.Zgl8WMAW-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/bpf/bpf_struct_ops.c:85:
>> kernel/bpf/bpf_struct_ops_types.h:14:1: error: field has incomplete type 'struct smc_sock_negotiator_ops'
   BPF_STRUCT_OPS_TYPE(smc_sock_negotiator_ops)
   ^
   kernel/bpf/bpf_struct_ops.c:83:15: note: expanded from macro 'BPF_STRUCT_OPS_TYPE'
           struct _name data ____cacheline_aligned_in_smp;         \
                        ^
   include/net/smc.h:299:15: note: forward declaration of 'struct smc_sock_negotiator_ops'
           const struct smc_sock_negotiator_ops *negotiator_ops;
                        ^
   1 error generated.


vim +14 kernel/bpf/bpf_struct_ops_types.h

     3	
     4	#ifdef CONFIG_BPF_JIT
     5	#ifdef CONFIG_NET
     6	BPF_STRUCT_OPS_TYPE(bpf_dummy_ops)
     7	#endif
     8	#ifdef CONFIG_INET
     9	#include <net/tcp.h>
    10	BPF_STRUCT_OPS_TYPE(tcp_congestion_ops)
    11	#endif
    12	#if IS_ENABLED(CONFIG_SMC)
    13	#include <net/smc.h>
  > 14	BPF_STRUCT_OPS_TYPE(smc_sock_negotiator_ops)

-- 
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https://github.com/intel/lkp-tests