LVS
lvs-devel
Google
 
Web LinuxVirtualServer.org

Re: [PATCH] ipvs: change type of delta and previous_delta in ip_vs_seq.

To: zhang kai <zhangkaiheb@xxxxxxx>
Subject: Re: [PATCH] ipvs: change type of delta and previous_delta in ip_vs_seq.
Cc: Wensong Zhang <wensong@xxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx
From: Julian Anastasov <ja@xxxxxx>
Date: Tue, 20 Aug 2019 13:00:43 +0300 (EEST)
        Hello,

        Cc list trimmed...

On Tue, 20 Aug 2019, zhang kai wrote:

> In NAT forwarding mode, Applications may decrease the size of packets,
> and TCP sequences will get smaller, so both of variables will be negetive
> values in this case.

        As long as nobody cares about their sign, the type should not
matter. You can not solve all signed/unsigned mismatches with such
small patch. Or you are seeing some problem, may be in debug?

> 
> Signed-off-by: zhang kai <zhangkaiheb@xxxxxxx>
> ---
>  include/net/ip_vs.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
> index 3759167f91f5..de7e75063c7c 100644
> --- a/include/net/ip_vs.h
> +++ b/include/net/ip_vs.h
> @@ -346,8 +346,8 @@ enum ip_vs_sctp_states {
>   */
>  struct ip_vs_seq {
>       __u32                   init_seq;       /* Add delta from this seq */
> -     __u32                   delta;          /* Delta in sequence numbers */
> -     __u32                   previous_delta; /* Delta in sequence numbers
> +     __s32                   delta;          /* Delta in sequence numbers */
> +     __s32                   previous_delta; /* Delta in sequence numbers
>                                                * before last resized pkt */
>  };
>  
> -- 
> 2.17.1

Regards

--
Julian Anastasov <ja@xxxxxx>

<Prev in Thread] Current Thread [Next in Thread>