答复: [PATCH] net: convert gro_count to bitmask

[Li,Rongqing]

> -----邮件原件-----
> 发件人: Stefano Brivio [mailto:sbri...@redhat.com]
> 发送时间: 2018年7月11日 18:52
> 收件人: Li,Rongqing <lirongq...@baidu.com>
> 抄送: netdev@vger.kernel.org; Eric Dumazet <eduma...@google.com>
> 主题: Re: [PATCH] net: convert gro_count to bitmask
> 
> On Wed, 11 Jul 2018 17:15:53 +0800
> Li RongQing <lirongq...@baidu.com> wrote:
> 
> > @@ -5380,6 +5382,12 @@ static enum gro_result dev_gro_receive(struct
> napi_struct *napi, struct sk_buff
> >     if (grow > 0)
> >             gro_pull_from_frag0(skb, grow);
> >  ok:
> > +   if (napi->gro_hash[hash].count)
> > +           if (!test_bit(hash, &napi->gro_bitmask))
> > +                   set_bit(hash, &napi->gro_bitmask);
> > +   else if (test_bit(hash, &napi->gro_bitmask))
> > +           clear_bit(hash, &napi->gro_bitmask);
> 
> This might not do what you want.
> 
> --

could you show detail ?

-RongQing

> Stefano