From 0f626c98fd10330da0420029a1c4fa35e39fb873 Mon Sep 17 00:00:00 2001 From: Saket Kumar Bhaskar Date: Mon, 7 Jul 2025 12:47:35 +0530 Subject: [PATCH] selftests/bpf: Set CONFIG_PACKET=y for selftests BPF selftest fails to build with below error: CLNG-BPF [test_progs] lsm_cgroup.bpf.o progs/lsm_cgroup.c:105:21: error: variable has incomplete type 'struct sockaddr_ll' 105 | struct sockaddr_ll sa = {}; | ^ progs/lsm_cgroup.c:105:9: note: forward declaration of 'struct sockaddr_ll' 105 | struct sockaddr_ll sa = {}; | ^ 1 error generated. lsm_cgroup selftest requires sockaddr_ll structure which is not there in vmlinux.h when the kernel is built with CONFIG_PACKET=m. Enabling CONFIG_PACKET=y ensures that sockaddr_ll is available in vmlinux, allowing it to be captured in the generated vmlinux.h for bpf selftests. Reported-by: Sachin P Bappalige Signed-off-by: Saket Kumar Bhaskar Acked-by: Daniel Borkmann Link: https://lore.kernel.org/r/20250707071735.705137-1-skb99@linux.ibm.com Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/config | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index f74e1ea0ad3b6..7247833fe623b 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -105,6 +105,7 @@ CONFIG_IP_NF_IPTABLES=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_FILTER=y CONFIG_NF_NAT=y +CONFIG_PACKET=y CONFIG_RC_CORE=y CONFIG_SECURITY=y CONFIG_SECURITYFS=y -- 2.47.2