From: Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>,
linux-wireless@vger.kernel.org,
Simon Wunderlich <siwu@hrz.tu-chemnitz.de>,
Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Subject: Re: [PATCHv2 2/5] nl80211/cfg80211: add channel switch command
Date: Tue, 18 Jun 2013 17:18:06 +0200 [thread overview]
Message-ID: <20130618151806.GB27492@pandem0nium> (raw)
In-Reply-To: <1371567030.8318.34.camel@jlt4.sipsolutions.net>
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On Tue, Jun 18, 2013 at 04:50:30PM +0200, Johannes Berg wrote:
>
> > + * @NL80211_CMD_CHANNEL_SWITCH: Perform a channel switch by announcing the
> > + * the new channel information (Channel Switch Announcement - CSA)
> > + * in the beacon for some time (as defined in the
> > + * %NL80211_ATTR_CH_SWITCH_COUNT parameter) and then change to the
> > + * new channel. Userspace provides the new channel information (using
> > + * %NL80211_ATTR_WIPHY_FREQ and the attributes determining channel
> > + * width). %NL80211_ATTR_CH_SWITCH_BLOCK_TX may be supplied to inform
> > + * other station that transmission must be blocked until the channel
> > + * switch is complete.
>
> We probably need a flag to indicate that the command is available, since
> mac80211 might implement it but not all drivers will?
Yeah ... shall we announce it as CMD() in nl80211_send_wiphy()? Or feature
flag?
Cheers,
Simon
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next prev parent reply other threads:[~2013-06-18 15:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-14 12:15 [PATCHv2 0/5] add master channel switch announcement support Simon Wunderlich
2013-06-14 12:15 ` [PATCHv2 1/5] nl80211: use attributes to parse beacons Simon Wunderlich
2013-06-18 13:56 ` Johannes Berg
2013-06-14 12:15 ` [PATCHv2 2/5] nl80211/cfg80211: add channel switch command Simon Wunderlich
2013-06-18 14:48 ` Johannes Berg
2013-06-18 15:14 ` Simon Wunderlich
2013-06-18 15:21 ` Johannes Berg
2013-06-18 14:50 ` Johannes Berg
2013-06-18 15:18 ` Simon Wunderlich [this message]
2013-06-18 15:20 ` Johannes Berg
2013-06-14 12:15 ` [PATCHv2 3/5] mac80211: add functions to duplicate a cfg80211_beacon Simon Wunderlich
2013-06-18 14:49 ` Johannes Berg
2013-06-18 15:20 ` Simon Wunderlich
2013-06-14 12:15 ` [PATCHv2 4/5] mac80211: add channel switch command and beacon callbacks Simon Wunderlich
2013-06-18 15:00 ` Johannes Berg
2013-06-18 17:27 ` Simon Wunderlich
2013-06-14 12:15 ` [PATCHv2 5/5] ath9k: enable CSA functionality in ath9k Simon Wunderlich
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