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From: Jiri Benc [mailto:[EMAIL PROTECTED]
Sent: Wednesday, January 10, 2007 6:20 PM
To: Jan Kiszka
Cc: netdev@vger.kernel.org; Ivo Van Doorn;
[EMAIL PROTECTED]; Jouni Malinen; Simon Barber
Subject: Re: d80211: How does TX flow control work?
On Mon, 08 Jan 2007 21:18:48 +0100, Jan Kiszka wrote:
>
On Mon, 08 Jan 2007 21:18:48 +0100, Jan Kiszka wrote:
> The actual problem was meanwhile identified: shorewall happened to
> overwrite the queueing discipline of wmaster0 with pfifo_fast. I found
> the magic knob to tell shorewall to no longer do this (at least until I
> want to manage traffic cont
Jan Kiszka wrote:
> Jan Kiszka wrote:
>> Jiri Benc wrote:
>>> On Wed, 03 Jan 2007 19:10:01 +0100, Jan Kiszka wrote:
BUG: warning at
/usr/src/rt2x00/rt2x00/ieee80211/ieee80211.c:1256/ieee80211_tx()
ieee80211_master_start_xmit+0x105/0x430 [80211]
__ip_ct_refresh_acct+0x4d/0x
Jan Kiszka wrote:
> Jiri Benc wrote:
>> On Wed, 03 Jan 2007 19:10:01 +0100, Jan Kiszka wrote:
>>> BUG: warning at
>>> /usr/src/rt2x00/rt2x00/ieee80211/ieee80211.c:1256/ieee80211_tx()
>>> ieee80211_master_start_xmit+0x105/0x430 [80211]
>>> __ip_ct_refresh_acct+0x4d/0x60
>>> tcp_packet+0x941/
Jiri Benc wrote:
> On Wed, 03 Jan 2007 19:10:01 +0100, Jan Kiszka wrote:
>> BUG: warning at
>> /usr/src/rt2x00/rt2x00/ieee80211/ieee80211.c:1256/ieee80211_tx()
>> ieee80211_master_start_xmit+0x105/0x430 [80211]
>> __ip_ct_refresh_acct+0x4d/0x60
>> tcp_packet+0x941/0x970 qdisc_restart+0x92
On Wed, 03 Jan 2007 19:10:01 +0100, Jan Kiszka wrote:
> BUG: warning at
> /usr/src/rt2x00/rt2x00/ieee80211/ieee80211.c:1256/ieee80211_tx()
> ieee80211_master_start_xmit+0x105/0x430 [80211]
> __ip_ct_refresh_acct+0x4d/0x60
> tcp_packet+0x941/0x970 qdisc_restart+0x92/0x100
> dev_queue_xmi
Jiri Benc wrote:
> On Tue, 02 Jan 2007 14:08:21 +0100, Jan Kiszka wrote:
>
>> What I (think to) understand is that a low-level drivers call
>> ieee80211_stop_queue() if they run out of buffers. That flips a
>> per-queue bit (IEEE80211_LINK_STATE_XOFF), prevents that any further
>> frame is pass
On Tue, 02 Jan 2007 14:08:21 +0100, Jan Kiszka wrote:
> What I (think to) understand is that a low-level drivers call
> ieee80211_stop_queue() if they run out of buffers. That flips a
> per-queue bit (IEEE80211_LINK_STATE_XOFF), prevents that any further
> frame is passed to the low-level TX routin
Hi,
can someone explain how TX flow control in d80211 is supposed to work? I
failed to understand the full design so far.
What I (think to) understand is that a low-level drivers call
ieee80211_stop_queue() if they run out of buffers. That flips a
per-queue bit (IEEE80211_LINK_STATE_XOFF), preven
