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From: Johannes Berg <johannes@sipsolutions.net>
To: Arik Nemtsov <arik@wizery.com>
Cc: linux-wireless@vger.kernel.org, Luciano Coelho <coelho@ti.com>
Subject: Re: [PATCH 1/2] mac80211: allow low level drivers to report packet loss
Date: Mon, 18 Apr 2011 14:26:50 +0200	[thread overview]
Message-ID: <1303129610.3588.7.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1303125749-31967-1-git-send-email-arik@wizery.com>

On Mon, 2011-04-18 at 14:22 +0300, Arik Nemtsov wrote:
> Add API that allows low level drivers to notify mac80211 about TX
> packet loss. This is useful when there are FW triggers to notify the
> low level driver about these events.

> +void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
> +{
> +	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
> +	cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
> +				    num_packets, GFP_ATOMIC);

I think it would make more sense to add num_packets to sta->lost_packets
and invoke it only when over the threshold as done in
ieee80211_tx_status(), as then we can share any threshold calculation
improvements.

Also, are you sure? Do you really not get _any_ TX status?

johannes


  parent reply	other threads:[~2011-04-18 12:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-18 11:22 [PATCH 1/2] mac80211: allow low level drivers to report packet loss Arik Nemtsov
2011-04-18 11:22 ` [PATCH 2/2] wl12xx: support FW TX inactivity triggers Arik Nemtsov
2011-04-26  5:02   ` Arik Nemtsov
2011-04-18 12:26 ` Johannes Berg [this message]
2011-04-18 20:44   ` [PATCH 1/2] mac80211: allow low level drivers to report packet loss Arik Nemtsov
2011-04-19 12:36     ` Johannes Berg
2011-04-19 21:54       ` Arik Nemtsov
2011-04-20  8:08         ` Johannes Berg
2011-04-26 19:12           ` John W. Linville
2011-04-26 19:35             ` Arik Nemtsov

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