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Re: Question of CSA callback

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On Thu, 07 Apr 2011 13:52:08 +0200, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:

On Thu, 2011-04-07 at 13:42 +0200, Arend van Spriel wrote:
Hi Johannes,

Recently I have taken a look at csa switch callback. After looking more
closely I decided to let mac80211 handle this itself, but I noticed
something strange in the interface so maybe you can clarify this.

void (*channel_switch)(struct ieee80211_hw *hw,
		       struct ieee80211_channel_switch *ch_switch);

void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success);

Basically we get a channel switch callback for iee80211_hw and for the
ieee80211_chswitch_done() the driver has to provide a vif. Should the
channel switch also operate on a vif?

Ah, well, no, not right now anyway -- mac80211 doesn't support
multi-channel operation yet.

However, I think this kind of hw offload isn't necessary for your device
at all.

Indeed I concluded we do not need this, but I just wanted to clarify the intended use of the interface.

Gr. AvS
--
"The most merciful thing in the world, I think, is the inability of the human
mind to correlate all its contents." - "The Call of Cthulhu"

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