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Add QCA vendor interface to transport CFR data using netlink events

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Add QCA vendor interface to configure the driver which transport mode to
use for sending CFR data to userspace. Currently, relayfs and netlink
event modes are supported.

Signed-off-by: Vamsi Krishna <vamsin@codeaurora.org>
This commit is contained in:
Vamsi Krishna 2021-04-28 18:05:14 +05:30 committed by Jouni Malinen
parent da3335c925
commit 39a1d55b76
1 changed files with 43 additions and 1 deletions
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44
src/common/qca-vendor.h
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@ -512,7 +512,9 @@ enum qca_radiotap_vendor_ids {
* @QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG: This command is used to
* configure parameters per peer to capture Channel Frequency Response
* (CFR) and enable Periodic CFR capture. The attributes for this command
* are defined in enum qca_wlan_vendor_peer_cfr_capture_attr.
* are defined in enum qca_wlan_vendor_peer_cfr_capture_attr. This command
* can also be used to send CFR data from the driver to userspace when
* netlink events are used to send CFR data.
*
* @QCA_NL80211_VENDOR_SUBCMD_THROUGHPUT_CHANGE_EVENT: Event to indicate changes
* in throughput dynamically. The driver estimates the throughput based on
@ -9039,6 +9041,22 @@ enum qca_wlan_vendor_attr_roam_scan {
QCA_WLAN_VENDOR_ATTR_ROAM_SCAN_AFTER_LAST - 1,
};
/**
* enum qca_wlan_vendor_cfr_data_transport_modes - Defines QCA vendor CFR data
* transport modes and is used by the attribute
* QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_TRANSPORT_MODE as a part of the vendor
* command QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG.
* @QCA_WLAN_VENDOR_CFR_DATA_RELAY_FS: Use relayfs to send CFR data.
* @QCA_WLAN_VENDOR_CFR_DATA_NETLINK_EVENTS: Use netlink events to send CFR
* data. The data shall be encapsulated within
* QCA_WLAN_VENDOR_ATTR_PEER_CFR_RESP_DATA along with the vendor sub command
* QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG as an asynchronous event.
*/
enum qca_wlan_vendor_cfr_data_transport_modes {
QCA_WLAN_VENDOR_CFR_DATA_RELAY_FS = 0,
QCA_WLAN_VENDOR_CFR_DATA_NETLINK_EVENTS = 1,
};
/**
* enum qca_wlan_vendor_cfr_method - QCA vendor CFR methods used by
* attribute QCA_WLAN_VENDOR_ATTR_PEER_CFR_METHOD as part of vendor
@ -9229,6 +9247,27 @@ enum qca_wlan_vendor_cfr_capture_type {
* MAC for CFR capture. This is a bitmask in which each bit represents the
* corresponding Data frame subtype value per IEEE Std 802.11-2016,
* 9.2.4.1.3 Type and Subtype subfields. This is for CFR version 2 only.
*
* @QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_TRANSPORT_MODE: Optional (u8)
* Userspace can use this attribute to specify the driver about which transport
* mode shall be used by the driver to send CFR data to userspace. Uses values
* from enum qca_wlan_vendor_cfr_data_transport_modes. When this attribute is
* not present, the driver shall use the default transport mechanism which is
* QCA_WLAN_VENDOR_CFR_DATA_RELAY_FS.
*
* @QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_RECEIVER_PID: Optional (u32)
* Userspace can use this attribute to specify the nl port id of the application
* which receives the CFR data and processes it further so that the drivers can
* unicast the netlink events to a specific application. Optionally included
* when QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_TRANSPORT_MODE is set to
* QCA_WLAN_VENDOR_CFR_DATA_NETLINK_EVENTS, not required otherwise. The drivers
* shall multicast the netlink events when this attribute is not included.
*
* @QCA_WLAN_VENDOR_ATTR_PEER_CFR_RESP_DATA: Required (NLA_BINARY).
* This attribute will be used by the driver to encapsulate and send CFR data
* to userspace along with QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG as an
* asynchronous event when the driver is configured to send CFR data using
* netlink events with %QCA_WLAN_VENDOR_CFR_DATA_NETLINK_EVENTS.
*/
enum qca_wlan_vendor_peer_cfr_capture_attr {
QCA_WLAN_VENDOR_ATTR_PEER_CFR_CAPTURE_INVALID = 0,
@ -9257,6 +9296,9 @@ enum qca_wlan_vendor_peer_cfr_capture_attr {
QCA_WLAN_VENDOR_ATTR_PEER_CFR_GROUP_MGMT_FILTER = 23,
QCA_WLAN_VENDOR_ATTR_PEER_CFR_GROUP_CTRL_FILTER = 24,
QCA_WLAN_VENDOR_ATTR_PEER_CFR_GROUP_DATA_FILTER = 25,
QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_TRANSPORT_MODE = 26,
QCA_WLAN_VENDOR_ATTR_PEER_CFR_DATA_RECEIVER_PID = 27,
QCA_WLAN_VENDOR_ATTR_PEER_CFR_RESP_DATA = 28,
/* Keep last */
QCA_WLAN_VENDOR_ATTR_PEER_CFR_AFTER_LAST,