On Wed, 2006-06-28 at 14:42 +1000, Herbert Xu wrote:
> On Tue, Jun 27, 2006 at 09:37:01PM -0700, Michael Chan wrote:

> > @@ -56,6 +55,9 @@ static inline void TCP_ECN_send(struct s
> >                     if (tp->ecn_flags&TCP_ECN_QUEUE_CWR) {
> >                             tp->ecn_flags &= ~TCP_ECN_QUEUE_CWR;
> >                             skb->h.th->cwr = 1;
> > +                           if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
> > +                                   skb_shinfo(skb)->gso_type |=
> > +                                           SKB_GSO_TCPV4_ECN;
> 
> As a byte-pincher I must suggest that you turn this check into something
> like 
> 
>                               if (skb_shinfo(skb)->gso_type)
> 
> or even
> 
>                               if (skb_shinfo(skb)->gso_size)
> 
Assuming that we'll later have GSO_TCPV6, isn't it better to check for
TCPV4 explicitly now?  Or just change it later when necessary.

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