Hi Kuniyuki, 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/Kuniyuki-Iwashima/tcp-Clean-up-reverse-xmas-tree-in-cookie_v-46-_check/20231122-030405 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20231121190134.73447-1-kuniyu%40amazon.com patch subject: [PATCH v3 bpf-next 11/11] selftest: bpf: Test bpf_sk_assign_tcp_reqsk(). compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311222353.3MM8wxm0-lkp@xxxxxxxxx/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 <yujie.liu@xxxxxxxxx> | Closes: https://lore.kernel.org/r/202311222353.3MM8wxm0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> progs/test_tcp_custom_syncookie.c:63:31: error: field has incomplete type 'struct tcp_cookie_attributes' 63 | struct tcp_cookie_attributes attr; | ^ tools/testing/selftests/bpf/bpf_kfuncs.h:60:8: note: forward declaration of 'struct tcp_cookie_attributes' 60 | struct tcp_cookie_attributes; | ^ >> progs/test_tcp_custom_syncookie.c:514:57: error: use of undeclared identifier 'BPF_F_CURRENT_NETNS'; did you mean 'BPF_F_CURRENT_CPU'? 514 | skc = bpf_skc_lookup_tcp(ctx->skb, &tuple, tuple_size, BPF_F_CURRENT_NETNS, 0); | ^~~~~~~~~~~~~~~~~~~ | BPF_F_CURRENT_CPU /tools/include/vmlinux.h:104429:2: note: 'BPF_F_CURRENT_CPU' declared here 104429 | BPF_F_CURRENT_CPU = 4294967295ULL, | ^ 2 errors generated. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
