diff options
| author | Luciano Coelho <luciano.coelho@intel.com> | 2014-11-07 15:31:35 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-11-10 12:20:14 +0300 |
| commit | f8d7552e945d38bd8d2e9c23aebf98042ce12302 (patch) | |
| tree | 40592740dd326c8a2ebe6818f91d2b823852ca1c /include/uapi/linux/nl80211.h | |
| parent | 127f10ec6069aa0ddc214f14cb424198e1741256 (diff) | |
| download | linux-f8d7552e945d38bd8d2e9c23aebf98042ce12302.tar.xz | |
cfg80211: add channel switch started notification
Add a new NL80211_CH_SWITCH_STARTED_NOTIFY message that can be sent to
the userspace when a channel switch process has started. This allows
userspace to take action, for instance, by requesting other interfaces
to switch channel as necessary.
This patch introduces a function that allows the drivers to send this
notification. It should be used when the driver starts processing a
channel switch initiated by a remote device (eg. when a STA receives a
CSA from the AP) and when it successfully starts a userspace-triggered
channel switch (eg. when hostapd triggers a channel swith in the AP).
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/uapi/linux/nl80211.h')
| -rw-r--r-- | include/uapi/linux/nl80211.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 9b3025e4377a..354163433352 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -645,6 +645,15 @@ * %NL80211_ATTR_IFINDEX is now on %NL80211_ATTR_WIPHY_FREQ and the * attributes determining channel width. * + * @NL80211_CMD_CH_SWITCH_STARTED_NOTIFY: Notify that a channel switch + * has been started on an interface, regardless of the initiator + * (ie. whether it was requested from a remote device or + * initiated on our own). It indicates that + * %NL80211_ATTR_IFINDEX will be on %NL80211_ATTR_WIPHY_FREQ + * after %NL80211_ATTR_CH_SWITCH_COUNT TBTT's. The userspace may + * decide to react to this indication by requesting other + * interfaces to change channel as well. + * * @NL80211_CMD_START_P2P_DEVICE: Start the given P2P Device, identified by * its %NL80211_ATTR_WDEV identifier. It must have been created with * %NL80211_CMD_NEW_INTERFACE previously. After it has been started, the @@ -930,6 +939,8 @@ enum nl80211_commands { NL80211_CMD_JOIN_OCB, NL80211_CMD_LEAVE_OCB, + NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ |