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nl80211: Allocate QCA vendor subcmds for DFS radar detected and CAC events

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When DFS offloading capability is supported by the driver, the driver
should use these events to indicate when a radar pattern has been
detected, channel availability check (CAC) has been completed, aborted
or finished after the non-occupancy period is over on a DFS channel.

Also, add a new driver.h event to be used by NL80211 to indicate CAC
Started event on a DFS channel.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Ahmad Kholaif 2015-02-10 18:48:39 -08:00 committed by Jouni Malinen
parent f245b45075
commit 480994dafb
3 changed files with 38 additions and 7 deletions
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27
src/common/qca-vendor.h
View file

@ -70,8 +70,25 @@ enum qca_radiotap_vendor_ids {
* supported by the driver. enum qca_wlan_vendor_features defines
* the possible features.
*
* @QCA_NL80211_VENDOR_SUBCMD_CAC_STARTED: Event used by driver, which
* supports DFS offloading, to indicate a channel availability check start.
* @QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED: Event used by driver,
* which supports DFS offloading, to indicate a channel availability check
* start.
*
* @QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED: Event used by driver,
* which supports DFS offloading, to indicate a channel availability check
* completion.
*
* @QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED: Event used by driver,
* which supports DFS offloading, to indicate that the channel availability
* check aborted, no change to the channel status.
*
* @QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED: Event used by
* driver, which supports DFS offloading, to indicate that the
* Non-Occupancy Period for this channel is over, channel becomes usable.
*
* @QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED: Event used by driver,
* which supports DFS offloading, to indicate a radar pattern has been
* detected. The channel is now unusable.
*/
enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
@ -118,7 +135,11 @@ enum qca_nl80211_vendor_subcmds {
/* 53 - reserved for QCA */
QCA_NL80211_VENDOR_SUBCMD_DO_ACS = 54,
QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES = 55,
QCA_NL80211_VENDOR_SUBCMD_CAC_STARTED = 56,
QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED = 56,
QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED = 57,
QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED = 58,
QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED = 59,
QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED = 60,
};

17
src/drivers/driver.h
View file

@ -3763,7 +3763,7 @@ enum wpa_event_type {
EVENT_CONNECT_FAILED_REASON,
/**
* EVENT_RADAR_DETECTED - Notify of radar detection
* EVENT_DFS_RADAR_DETECTED - Notify of radar detection
*
* A radar has been detected on the supplied frequency, hostapd should
* react accordingly (e.g., change channel).
@ -3771,14 +3771,14 @@ enum wpa_event_type {
EVENT_DFS_RADAR_DETECTED,
/**
* EVENT_CAC_FINISHED - Notify that channel availability check has been completed
* EVENT_DFS_CAC_FINISHED - Notify that channel availability check has been completed
*
* After a successful CAC, the channel can be marked clear and used.
*/
EVENT_DFS_CAC_FINISHED,
/**
* EVENT_CAC_ABORTED - Notify that channel availability check has been aborted
* EVENT_DFS_CAC_ABORTED - Notify that channel availability check has been aborted
*
* The CAC was not successful, and the channel remains in the previous
* state. This may happen due to a radar beeing detected or other
@ -3787,7 +3787,7 @@ enum wpa_event_type {
EVENT_DFS_CAC_ABORTED,
/**
* EVENT_DFS_CAC_NOP_FINISHED - Notify that non-occupancy period is over
* EVENT_DFS_NOP_FINISHED - Notify that non-occupancy period is over
*
* The channel which was previously unavailable is now available again.
*/
@ -3836,6 +3836,15 @@ enum wpa_event_type {
* in device.
*/
EVENT_ACS_CHANNEL_SELECTED,
/**
* EVENT_DFS_CAC_STARTED - Notify that channel availability check has
* been started.
*
* This event indicates that channel availability check has been started
* on a DFS frequency by a driver that supports DFS Offload.
*/
EVENT_DFS_CAC_STARTED,
};

1
src/drivers/driver_common.c
View file

@ -79,6 +79,7 @@ const char * event_to_string(enum wpa_event_type event)
E2S(AVOID_FREQUENCIES);
E2S(NEW_PEER_CANDIDATE);
E2S(ACS_CHANNEL_SELECTED);
E2S(DFS_CAC_STARTED);
}
return "UNKNOWN";