Commit 69f41a78 authored by Alexei Starovoitov's avatar Alexei Starovoitov Committed by Andrii Nakryiko
Browse files

selftests/bpf: Add tracing tests for walking skb and req. 



Add tracing tests for walking skb->sk and req->sk.

Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Acked-by: default avatarDavid Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230404045029.82870-9-alexei.starovoitov@gmail.com
parent afeebf9f

tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c

+16 −0
Original line number Diff line number Diff line
@@ -92,4 +92,20 @@ int BPF_PROG(inet_csk_accept, struct sock *sk, int flags, int *err, bool kern, 
	return 0;

}



SEC("tp_btf/tcp_retransmit_synack")

int BPF_PROG(tcp_retransmit_synack, struct sock* sk, struct request_sock* req)

{

	/* load only test */

	bpf_sk_storage_get(&sk_stg_map, sk, 0, 0);

	bpf_sk_storage_get(&sk_stg_map, req->sk, 0, 0);

	return 0;

}



SEC("tp_btf/tcp_bad_csum")

int BPF_PROG(tcp_bad_csum, struct sk_buff* skb)

{

	bpf_sk_storage_get(&sk_stg_map, skb->sk, 0, 0);

	return 0;

}



char _license[] SEC("license") = "GPL";