netdev - [bpf-next,v2 5/6] selftests/bpf: bpf_tcp_gen_syncookie->bpf

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Message-Id: <20190729165918.92933-6-ppenkov.kernel@gmail.com>
Date:   Mon, 29 Jul 2019 09:59:17 -0700
From:   Petar Penkov <ppenkov.kernel@...il.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        edumazet@...gle.com, lmb@...udflare.com, sdf@...gle.com,
        toke@...hat.com, Petar Penkov <ppenkov@...gle.com>
Subject: [bpf-next,v2 5/6] selftests/bpf: bpf_tcp_gen_syncookie->bpf_helpers

From: Petar Penkov <ppenkov@...gle.com>

Expose bpf_tcp_gen_syncookie to selftests.

Signed-off-by: Petar Penkov <ppenkov@...gle.com>
Reviewed-by: Lorenz Bauer <lmb@...udflare.com>
---
 tools/testing/selftests/bpf/bpf_helpers.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index f804f210244e..120aa86c58d3 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -228,6 +228,9 @@ static void *(*bpf_sk_storage_get)(void *map, struct bpf_sock *sk,
 static int (*bpf_sk_storage_delete)(void *map, struct bpf_sock *sk) =
 	(void *)BPF_FUNC_sk_storage_delete;
 static int (*bpf_send_signal)(unsigned sig) = (void *)BPF_FUNC_send_signal;
+static long long (*bpf_tcp_gen_syncookie)(struct bpf_sock *sk, void *ip,
+					  int ip_len, void *tcp, int tcp_len) =
+	(void *) BPF_FUNC_tcp_gen_syncookie;
 
 /* llvm builtin functions that eBPF C program may use to
  * emit BPF_LD_ABS and BPF_LD_IND instructions
-- 
2.22.0.709.g102302147b-goog