Re: [PATCH 1/3] Optimize seq_sorter function for colo-compare

[Li Zhijian <lizhijian@cn.fujitsu.com>]

On 9/19/20 11:10 AM, leirao wrote:
> The seq of tcp has been filled in fill_pkt_tcp_info, it
> can be used directly here.
>
> Signed-off-by: leirao <lei.rao@intel.com>
Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com>


> ---
>   net/colo-compare.c | 6 +-----
>   1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/net/colo-compare.c b/net/colo-compare.c
> index 3a45d64..86980ce 100644
> --- a/net/colo-compare.c
> +++ b/net/colo-compare.c
> @@ -196,11 +196,7 @@ static void colo_compare_inconsistency_notify(CompareState *s)
>   
>   static gint seq_sorter(Packet *a, Packet *b, gpointer data)
>   {
> -    struct tcp_hdr *atcp, *btcp;
> -
> -    atcp = (struct tcp_hdr *)(a->transport_header);
> -    btcp = (struct tcp_hdr *)(b->transport_header);
> -    return ntohl(atcp->th_seq) - ntohl(btcp->th_seq);
> +    return a->tcp_seq - b->tcp_seq;
>   }
>   
>   static void fill_pkt_tcp_info(void *data, uint32_t *max_ack)