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From: Larry Finger <Larry.Finger@lwfinger.net>
To: Andi Kleen <andi@firstfloor.org>
Cc: Michael Buesch <mb@bu3sch.de>,
	linux-wireless@vger.kernel.org,
	John Linville <linville@tuxdriver.com>
Subject: Re: rate instability in wireless stack
Date: Sun, 04 Jan 2009 18:29:25 -0600	[thread overview]
Message-ID: <49615465.4090604@lwfinger.net> (raw)
In-Reply-To: <20090104174123.GW496@one.firstfloor.org>

Andi,

Andi Kleen wrote:
> 
> Anyways with PID i get between 1Mbit/s and 5.5Mbit/s, most of the
> time 1Mbit/s. So it's not really much better.


Does this patch help? Recently mac80211 changed from expecting tries
to retries, and I don't think rtl8180 got changed.

Larry

===============
Index: wireless-testing/drivers/net/wireless/rtl818x/rtl8180_dev.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtl818x/rtl8180_dev.c
+++ wireless-testing/drivers/net/wireless/rtl818x/rtl8180_dev.c
@@ -188,7 +188,7 @@ static void rtl8180_handle_tx(struct iee
 		    (flags & RTL818X_TX_DESC_FLAG_TX_OK))
 			info->flags |= IEEE80211_TX_STAT_ACK;

-		info->status.rates[0].count = (flags & 0xFF) + 1;
+		info->status.rates[0].count = (flags & 0xFF);

 		ieee80211_tx_status_irqsafe(dev, skb);
 		if (ring->entries - skb_queue_len(&ring->queue) == 2)

-------



  reply	other threads:[~2009-01-05  0:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-04 16:46 rate instability in wireless stack Andi Kleen
2009-01-04 16:36 ` Michael Buesch
2009-01-04 17:41   ` Andi Kleen
2009-01-05  0:29     ` Larry Finger [this message]
2009-01-05  2:53       ` Andi Kleen
2009-01-05  3:55         ` Larry Finger
2009-01-05  5:02           ` Andi Kleen
2009-01-05  4:59             ` Larry Finger
2009-01-05  5:48               ` Andi Kleen
2009-01-05  5:51                 ` Larry Finger
2009-01-05  8:17                   ` Johannes Berg
2009-01-05 12:54                     ` Andi Kleen
2009-01-05 13:32                 ` Felix Fietkau
2009-01-05 14:23                   ` Andi Kleen
2009-01-05 14:41                     ` Felix Fietkau
2009-01-05 15:24                       ` Andi Kleen
2009-01-05 15:25                         ` Felix Fietkau
2009-01-05 16:35                           ` Andi Kleen
2009-01-05 16:36                             ` Felix Fietkau
2009-01-05 17:11                               ` Andi Kleen
2009-01-05 17:01                                 ` Felix Fietkau
2009-01-05 19:33                                   ` Hin-Tak Leung
2009-01-05 20:16                                     ` Larry Finger
2009-01-05  4:22         ` Larry Finger
  -- strict thread matches above, loose matches on Subject: below --
2009-01-07  6:46 Martín Ernesto Barreyro

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