netdev - Re: [PATCH net-next v3 04/14] net-timestamp: introduce TS_SCHED_OPT

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Message-ID: <202410290852.PLcWZ1Yo-lkp@intel.com>
Date: Tue, 29 Oct 2024 09:04:36 +0800
From: kernel test robot <lkp@...el.com>
To: Jason Xing <kerneljasonxing@...il.com>, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	dsahern@...nel.org, willemdebruijn.kernel@...il.com,
	willemb@...gle.com, ast@...nel.org, daniel@...earbox.net,
	andrii@...nel.org, martin.lau@...ux.dev, eddyz87@...il.com,
	song@...nel.org, yonghong.song@...ux.dev, john.fastabend@...il.com,
	kpsingh@...nel.org, sdf@...ichev.me, haoluo@...gle.com,
	jolsa@...nel.org, shuah@...nel.org, ykolal@...com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	bpf@...r.kernel.org, netdev@...r.kernel.org,
	Jason Xing <kernelxing@...cent.com>
Subject: Re: [PATCH net-next v3 04/14] net-timestamp: introduce
 TS_SCHED_OPT_CB to generate dev xmit timestamp

Hi Jason,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Jason-Xing/net-timestamp-reorganize-in-skb_tstamp_tx_output/20241028-192036
base:   net-next/main
patch link:    https://lore.kernel.org/r/20241028110535.82999-5-kerneljasonxing%40gmail.com
patch subject: [PATCH net-next v3 04/14] net-timestamp: introduce TS_SCHED_OPT_CB to generate dev xmit timestamp
config: arm64-randconfig-001-20241029 (https://download.01.org/0day-ci/archive/20241029/202410290852.PLcWZ1Yo-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241029/202410290852.PLcWZ1Yo-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410290852.PLcWZ1Yo-lkp@intel.com/

All errors (new ones prefixed by >>):

>> net/core/skbuff.c:5640:2: error: call to undeclared function 'BPF_CGROUP_RUN_PROG_SOCK_OPS_SK'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    5640 |         BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(&sock_ops, sk);
         |         ^
   1 error generated.


vim +/BPF_CGROUP_RUN_PROG_SOCK_OPS_SK +5640 net/core/skbuff.c

  5624	
  5625	static void timestamp_call_bpf(struct sock *sk, int op, u32 nargs, u32 *args)
  5626	{
  5627		struct bpf_sock_ops_kern sock_ops;
  5628	
  5629		memset(&sock_ops, 0, offsetof(struct bpf_sock_ops_kern, temp));
  5630		if (sk_fullsock(sk)) {
  5631			sock_ops.is_fullsock = 1;
  5632			sock_owned_by_me(sk);
  5633		}
  5634	
  5635		sock_ops.sk = sk;
  5636		sock_ops.op = op;
  5637		if (nargs > 0)
  5638			memcpy(sock_ops.args, args, nargs * sizeof(*args));
  5639	
> 5640		BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(&sock_ops, sk);
  5641	}
  5642	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki