MESSAGE_HANDSHAKE_COOKIE
dst->header.type = cpu_to_le32(MESSAGE_HANDSHAKE_COOKIE);
if (SKB_TYPE_LE32(skb) == cpu_to_le32(MESSAGE_HANDSHAKE_COOKIE)) {
if (SKB_TYPE_LE32(skb) == cpu_to_le32(MESSAGE_HANDSHAKE_COOKIE) &&
case cpu_to_le32(MESSAGE_HANDSHAKE_COOKIE): {