netdev - Re: [PATCH 1/2]: [NET_SCHED]: Make all rate based scheduler work with TSO.

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Message-ID: <46D9103B.7090905@trash.net>
Date:	Sat, 01 Sep 2007 09:09:47 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	jdb@...x.dk
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 1/2]: [NET_SCHED]: Make all rate based scheduler work
 with	TSO.

Jesper Dangaard Brouer wrote:
> commit 6fdc0f061be94f5e297650961360fb7a9d1cc85d
> Author: Jesper Dangaard Brouer <hawk@...x.dk>
> Date:   Thu Aug 30 17:53:42 2007 +0200
> 
>     [NET_SCHED]: Make all rate based scheduler work with TSO.
>     
>      Change L2T (length to time) macros, in all rate based schedulers, to
>      call a common function qdisc_l2t() that does the rate table lookup.
>      This function handles if the packet size lookup is larger than the
>      rate table, which often occurs with TSO enabled.


It still won't work properly with TSO (TBF for example already drops
oversized packets during ->enqueue), but its a good cleanup anyway.

 > +#define L2T(p,L)   ((p)->tcfp_R_tab, L)
 > +#define L2T_P(p,L) ((p)->tcfp_P_tab, L)


I'd prefer to get rid of these L2T macros completely.
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