Re: [PATCH] CHROMIUMOS: mac80211: Increase retry attempts for nullfunc probes

[Johannes Berg <johannes@xxxxxxxxxxxxxxxx>]

On Fri, 2012-05-18 at 13:49 -0700, Gary Morain wrote:
> When a nullfunc probe fails for lack of an ACK, it is retried
> almost immediately.  The current setting of 2 retries completes
> in about 4 ms.  If an AP is off-channel scanning, this is not
> enough time for the AP to return to the operating channel and
> ACK the nullfunc.  As a result, the client disconnects when the
> AP is still there and operating.

AP is off-channel, scanning? It can't be unless it's a GO and then you
have GO powersave, right?

> -static int max_nullfunc_tries = 2;
> +static int max_nullfunc_tries = 100;

100? That seems insanely high compared to the other one.

johannes

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