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Add QCA vendor interface for reporting station info in unicast event

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Add a QCA vendor command for registering NL80211_CMD_GET_STATION
response as a unicast event when there is a NL80211_CMD_GET_STATION
request from any userspace module.

The driver will send the unicast events with the same netlink port ID
which is used by userspace application for sending the registration
command. If multiple registration commands are received with different
netlink port IDs, the driver will send unicast event with each netlink
port ID separately.

Userspace application can deregister the unicast events with disable
configuration. The registrations will be removed automatically by the
driver when the corresponding netlink socket is closed.

This will help avoid multiple NL80211_CMD_GET_STATION requests from
different userspace applications in short span. The userspace
application which registers for the unicast event can avoid sending
NL80211_CMD_GET_STATION request again if the response is available with
a recently received unicast event.

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
This commit is contained in:
Veerendranath Jakkam 2024-04-09 03:39:47 +05:30 committed by Jouni Malinen
parent 3c79173c32
commit 47d1307d2c
1 changed files with 44 additions and 0 deletions
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44
src/common/qca-vendor.h
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@ -1057,6 +1057,24 @@ enum qca_radiotap_vendor_ids {
* driver to notify user application about the spectral scan completion.
* The attributes used with this subcommand are defined in
* enum qca_wlan_vendor_attr_spectral_scan_complete.
*
* @QCA_NL80211_VENDOR_SUBCMD_ASYNC_GET_STATION: Register for receiving
* %NL80211_CMD_GET_STATION responses as unicast events when there are
* %NL80211_CMD_GET_STATION requests from any userspace module on the same
* interface index with which this command is sent. This command is also
* used as the unicast event to indicate the %NL80211_CMD_GET_STATION
* response. The attributes for this command are defined in
* enum qca_wlan_vendor_async_get_station_attr.
*
* The driver will send the unicast events with same netlink port ID which
* is used by userspace application for sending the registration command.
* If multiple registration commands are received with different netlink
* port IDs, the driver will send unicast events with each netlink port ID
* separately.
*
* Userspace applications can deregister the unicast event reporting with
* disable configuration. The registrations will be removed automatically
* by the driver when the corresponding netlink socket is closed.
*/
enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
@ -1283,6 +1301,7 @@ enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_DISASSOC_PEER = 240,
QCA_NL80211_VENDOR_SUBCMD_ADJUST_TX_POWER = 241,
QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_COMPLETE = 242,
QCA_NL80211_VENDOR_SUBCMD_ASYNC_GET_STATION = 243,
};
/* Compatibility defines for previously used subcmd names.
@ -17045,4 +17064,29 @@ enum qca_wlan_vendor_attr_spectral_scan_complete {
QCA_WLAN_VENDOR_ATTR_SPECTRAL_SCAN_COMPLETE_AFTER_LAST - 1,
};
/**
* enum qca_wlan_vendor_async_get_station_attr - Attribute values for
* %QCA_NL80211_VENDOR_SUBCMD_ASYNC_GET_STATION command.
*
* @QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_CONFIG: 8-bit unsigned value to
* configure the driver to enable/disable reporting
* %QCA_NL80211_VENDOR_SUBCMD_ASYNC_GET_STATION events. 1-Enable, 0-Disable.
* This is required in a command.
*
* @QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_RESPONSE: Nested attribute. This is
* required in %QCA_NL80211_VENDOR_SUBCMD_ASYNC_GET_STATION event.
* This attribute is nested with the station MAC address in %NL80211_ATTR_MAC
* and the station information in %NL80211_ATTR_STA_INFO nested attribute, see
* enum nl80211_sta_info.
*/
enum qca_wlan_vendor_async_get_station_attr {
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_INVALID = 0,
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_CONFIG = 1,
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_RESPONSE = 2,
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_AFTER_LAST,
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_MAX =
QCA_WLAN_VENDOR_ATTR_ASYNC_GET_STATION_AFTER_LAST - 1,
};
#endif /* QCA_VENDOR_H */