SSH_MSG_SYN
msgb_push_u16(msgb, SSH_MSG_SYN);
return src->len >= 2 && get_unaligned_le16(src->ptr) == SSH_MSG_SYN;
if (likely(get_unaligned_le16(src->ptr + i) == SSH_MSG_SYN)) {
if (unlikely(src->ptr[src->len - 1] == (SSH_MSG_SYN & 0xff))) {