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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