[congwang:sockmap1 1/7] net/ipv4/tcp_bpf.c:563:31: error: 'sock_map_unhash' undeclared

[congwang:sockmap1 1/7] net/ipv4/tcp_bpf.c:563:31: error: 'sock_map_unhash' undeclared

[kernel test robot]

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tree:   https://github.com/congwang/linux.git sockmap1
head:   b2dfda210226f6718a7bab6ba27fca4958cf5fde
commit: ade71f1d50ccf7cbbd5fcd8bd741d9142c7dca77 [1/7] bpf: clean up sockmap related Kconfigs
config: arm-randconfig-r005-20210215 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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/congwang/linux/commit/ade71f1d50ccf7cbbd5fcd8bd741d9142c7dca77
        git remote add congwang https://github.com/congwang/linux.git
        git fetch --no-tags congwang sockmap1
        git checkout ade71f1d50ccf7cbbd5fcd8bd741d9142c7dca77
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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/tcp_bpf.c: In function 'tcp_bpf_rebuild_protos':
>> net/ipv4/tcp_bpf.c:563:31: error: 'sock_map_unhash' undeclared (first use in this function)
     563 |  prot[TCP_BPF_BASE].unhash  = sock_map_unhash;
         |                               ^~~~~~~~~~~~~~~
   net/ipv4/tcp_bpf.c:563:31: note: each undeclared identifier is reported only once for each function it appears in
>> net/ipv4/tcp_bpf.c:564:30: error: 'sock_map_close' undeclared (first use in this function); did you mean 'sk_msg_clone'?
     564 |  prot[TCP_BPF_BASE].close  = sock_map_close;
         |                              ^~~~~~~~~~~~~~
         |                              sk_msg_clone
--
   net/ipv4/udp_bpf.c: In function 'udp_bpf_rebuild_protos':
>> net/ipv4/udp_bpf.c:21:17: error: 'sock_map_unhash' undeclared (first use in this function)
      21 |  prot->unhash = sock_map_unhash;
         |                 ^~~~~~~~~~~~~~~
   net/ipv4/udp_bpf.c:21:17: note: each undeclared identifier is reported only once for each function it appears in
>> net/ipv4/udp_bpf.c:22:17: error: 'sock_map_close' undeclared (first use in this function); did you mean 'sk_msg_clone'?
      22 |  prot->close  = sock_map_close;
         |                 ^~~~~~~~~~~~~~
         |                 sk_msg_clone


vim +/sock_map_unhash +563 net/ipv4/tcp_bpf.c

604326b41a6fb9 Daniel Borkmann 2018-10-13  558  
604326b41a6fb9 Daniel Borkmann 2018-10-13  559  static void tcp_bpf_rebuild_protos(struct proto prot[TCP_BPF_NUM_CFGS],
604326b41a6fb9 Daniel Borkmann 2018-10-13  560  				   struct proto *base)
604326b41a6fb9 Daniel Borkmann 2018-10-13  561  {
604326b41a6fb9 Daniel Borkmann 2018-10-13  562  	prot[TCP_BPF_BASE]			= *base;
f747632b608f90 Lorenz Bauer    2020-03-09 @563  	prot[TCP_BPF_BASE].unhash		= sock_map_unhash;
f747632b608f90 Lorenz Bauer    2020-03-09 @564  	prot[TCP_BPF_BASE].close		= sock_map_close;
604326b41a6fb9 Daniel Borkmann 2018-10-13  565  	prot[TCP_BPF_BASE].recvmsg		= tcp_bpf_recvmsg;
604326b41a6fb9 Daniel Borkmann 2018-10-13  566  	prot[TCP_BPF_BASE].stream_memory_read	= tcp_bpf_stream_read;
604326b41a6fb9 Daniel Borkmann 2018-10-13  567  
604326b41a6fb9 Daniel Borkmann 2018-10-13  568  	prot[TCP_BPF_TX]			= prot[TCP_BPF_BASE];
604326b41a6fb9 Daniel Borkmann 2018-10-13  569  	prot[TCP_BPF_TX].sendmsg		= tcp_bpf_sendmsg;
604326b41a6fb9 Daniel Borkmann 2018-10-13  570  	prot[TCP_BPF_TX].sendpage		= tcp_bpf_sendpage;
604326b41a6fb9 Daniel Borkmann 2018-10-13  571  }
604326b41a6fb9 Daniel Borkmann 2018-10-13  572  

:::::: The code at line 563 was first introduced by commit
:::::: f747632b608f90217a4e9ebb1deba8a37612aa32 bpf: sockmap: Move generic sockmap hooks from BPF TCP

:::::: TO: Lorenz Bauer <lmb@cloudflare.com>
:::::: CC: Daniel Borkmann <daniel@iogearbox.net>

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

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