From: Felix Fietkau <nbd@openwrt.org>
To: greearb@candelatech.com
Cc: linux-wireless@vger.kernel.org, ath9k-devel@venema.h4ckr.net
Subject: Re: [PATCH RESEND 11/11] ath9k: Implement rx copy-break.
Date: Mon, 10 Jan 2011 08:19:19 -0700 [thread overview]
Message-ID: <4D2B2377.1070600@openwrt.org> (raw)
In-Reply-To: <1294643513-18820-12-git-send-email-greearb@candelatech.com>
On 2011-01-10 12:11 AM, greearb@candelatech.com wrote:
> From: Ben Greear<greearb@candelatech.com>
>
> This saves us constantly allocating large, multi-page
> skbs. It should fix the order-1 allocation errors reported,
> and in a 60-vif scenario, this significantly decreases CPU
> utilization, and latency, and increases bandwidth.
>
> Signed-off-by: Ben Greear<greearb@candelatech.com>
I think we should use Jouni's approach instead of this patch, as it also
fixes order-1 allocations, but with less data copying involved.
- Felix
WARNING: multiple messages have this Message-ID (diff)
From: Felix Fietkau <nbd@openwrt.org>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] [PATCH RESEND 11/11] ath9k: Implement rx copy-break.
Date: Mon, 10 Jan 2011 08:19:19 -0700 [thread overview]
Message-ID: <4D2B2377.1070600@openwrt.org> (raw)
In-Reply-To: <1294643513-18820-12-git-send-email-greearb@candelatech.com>
On 2011-01-10 12:11 AM, greearb at candelatech.com wrote:
> From: Ben Greear<greearb@candelatech.com>
>
> This saves us constantly allocating large, multi-page
> skbs. It should fix the order-1 allocation errors reported,
> and in a 60-vif scenario, this significantly decreases CPU
> utilization, and latency, and increases bandwidth.
>
> Signed-off-by: Ben Greear<greearb@candelatech.com>
I think we should use Jouni's approach instead of this patch, as it also
fixes order-1 allocations, but with less data copying involved.
- Felix
next prev parent reply other threads:[~2011-01-10 15:19 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-10 7:11 ath9k: Resend all my pending patches greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 01/11] ath9k: Show some live tx-queue values in debugfs greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 02/11] ath9k: Initialize ah->hw greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 03/11] ath9k: Add more information to debugfs xmit file greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 04/11] ath9k: Remove un-used member from ath_node greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 05/11] ath9k: Ensure xmit makes progress greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 06/11] ath9k: Add counters to distinquish AMPDU enqueues greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 07/11] ath9k: Keep track of stations for debugfs greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 08/11] ath9k: More xmit queue debugfs information greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 09/11] ath9k: Try all queues when looking for next packet to send greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-25 21:37 ` John W. Linville
2011-01-25 21:37 ` [ath9k-devel] " John W. Linville
2011-01-25 22:01 ` Ben Greear
2011-01-25 22:01 ` [ath9k-devel] " Ben Greear
2011-01-10 7:11 ` [PATCH RESEND 10/11] ath9k: Restart xmit logic in xmit watchdog greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 7:11 ` [PATCH RESEND 11/11] ath9k: Implement rx copy-break greearb
2011-01-10 7:11 ` [ath9k-devel] " greearb at candelatech.com
2011-01-10 15:19 ` Felix Fietkau [this message]
2011-01-10 15:19 ` Felix Fietkau
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