Commit a06bf42f authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Alexei Starovoitov
Browse files

selftests/bpf: Test wire_len/gso_segs in BPF_PROG_TEST_RUN 



Make sure we can pass arbitrary data in wire_len/gso_segs.

Signed-off-by: default avatarStanislav Fomichev <sdf@google.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarMartin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191213223028.161282-2-sdf@google.com
parent 850a88cc

tools/testing/selftests/bpf/prog_tests/skb_ctx.c

+2 −0
Original line number Diff line number Diff line
@@ -11,6 +11,8 @@ void test_skb_ctx(void) 
		.cb[4] = 5,

		.priority = 6,

		.tstamp = 7,

		.wire_len = 100,

		.gso_segs = 8,

	};

	struct bpf_prog_test_run_attr tattr = {

		.data_in = &pkt_v4,

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

+5 −0
Original line number Diff line number Diff line
@@ -18,5 +18,10 @@ int process(struct __sk_buff *skb) 
	skb->priority++;

	skb->tstamp++;



	if (skb->wire_len != 100)

		return 1;

	if (skb->gso_segs != 8)

		return 1;



	return 0;

}

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