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Add QCA vendor subcommand to request audio transport switch

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Add a new sub command QCA_NL80211_VENDOR_SUBCMD_AUDIO_TRANSPORT_SWITCH
to request the audio data transport switch in both the command and event
path. This is used when two or more audio data transports are available
between peers.

Signed-off-by: Purushottam Kushwaha <quic_pkushwah@quicinc.com>
This commit is contained in:
Purushottam Kushwaha 2023-04-04 17:41:56 +05:30 committed by Jouni Malinen
parent 7e0e69cfea
commit e1ab680c98
1 changed files with 120 additions and 1 deletions
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121
src/common/qca-vendor.h
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@ -1132,6 +1132,39 @@ enum qca_radiotap_vendor_ids {
* Uses the attributes defined in * Uses the attributes defined in
* enum qca_wlan_vendor_attr_tdls_disc_rsp_ext. * enum qca_wlan_vendor_attr_tdls_disc_rsp_ext.
* *
* @QCA_NL80211_VENDOR_SUBCMD_AUDIO_TRANSPORT_SWITCH: This vendor subcommand is
* used to configure and indicate the audio transport switch in both
* command and event paths. This is used when two or more audio transports
* (e.g., WLAN and Bluetooth) are available between peers.
*
* If the driver needs to perform operations like scan, connection,
* roaming, RoC, etc. and AP concurrency policy is set to either
* QCA_WLAN_CONCURRENT_AP_POLICY_GAMING_AUDIO or
* QCA_WLAN_CONCURRENT_AP_POLICY_LOSSLESS_AUDIO_STREAMING, the driver sends
* audio transport switch event to userspace. Userspace application upon
* receiving the event, can try to switch to the requested audio transport.
* The userspace uses this command to send the status of transport
* switching (either confirm or reject) to the driver using this
* subcommand. The driver continues with the pending operation either upon
* receiving the command from userspace or after waiting for a timeout from
* sending the event to userspace. The driver can request userspace to
* switch to WLAN upon availability of WLAN audio transport once after the
* concurrent operations are completed.
*
* Userspace can also request audio transport switch from non-WLAN to WLAN
* using this subcommand to the driver. The driver can accept or reject
* depending on other concurrent operations in progress. The driver returns
* success if it can allow audio transport when it receives the command or
* appropriate kernel error code otherwise. Userspace indicates the audio
* transport switch from WLAN to non-WLAN using this subcommand and the
* driver can do other concurrent operations without needing to send any
* event to userspace. This subcommand is used by userspace only when the
* driver advertises support for
* QCA_WLAN_VENDOR_FEATURE_ENHANCED_AUDIO_EXPERIENCE_OVER_WLAN.
*
* The attributes used with this command are defined in enum
* qca_wlan_vendor_attr_audio_transport_switch.
*
* @QCA_NL80211_VENDOR_SUBCMD_TX_LATENCY: This vendor subcommand is used to * @QCA_NL80211_VENDOR_SUBCMD_TX_LATENCY: This vendor subcommand is used to
* configure, retrieve, and report per-link transmit latency statistics. * configure, retrieve, and report per-link transmit latency statistics.
* *
@ -1452,7 +1485,7 @@ enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_TID_TO_LINK_MAP = 229, QCA_NL80211_VENDOR_SUBCMD_TID_TO_LINK_MAP = 229,
QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG = 230, QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG = 230,
QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT = 231, QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT = 231,
/* 232 - reserved for QCA */ QCA_NL80211_VENDOR_SUBCMD_AUDIO_TRANSPORT_SWITCH = 232,
QCA_NL80211_VENDOR_SUBCMD_TX_LATENCY = 233, QCA_NL80211_VENDOR_SUBCMD_TX_LATENCY = 233,
/* 234 - reserved for QCA */ /* 234 - reserved for QCA */
QCA_NL80211_VENDOR_SUBCMD_SDWF_PHY_OPS = 235, QCA_NL80211_VENDOR_SUBCMD_SDWF_PHY_OPS = 235,
@ -18047,4 +18080,90 @@ enum qca_wlan_vendor_attr_usd {
QCA_WLAN_VENDOR_ATTR_USD_AFTER_LAST - 1, QCA_WLAN_VENDOR_ATTR_USD_AFTER_LAST - 1,
}; };
/**
* enum qca_wlan_audio_transport_switch_type - Represents the possible transport
* switch types.
*
* @QCA_WLAN_AUDIO_TRANSPORT_SWITCH_TYPE_NON_WLAN: Request to route audio data
* via non-WLAN transport (e.g., Bluetooth).
*
* @QCA_WLAN_AUDIO_TRANSPORT_SWITCH_TYPE_WLAN: Request to route audio data via
* WLAN transport.
*/
enum qca_wlan_audio_transport_switch_type {
QCA_WLAN_AUDIO_TRANSPORT_SWITCH_TYPE_NON_WLAN = 0,
QCA_WLAN_AUDIO_TRANSPORT_SWITCH_TYPE_WLAN = 1,
};
/**
* enum qca_wlan_audio_transport_switch_status - Represents the status of audio
* transport switch request.
*
* @QCA_WLAN_AUDIO_TRANSPORT_SWITCH_STATUS_REJECTED: Request to switch transport
* has been rejected. For example, when transport switch is requested from WLAN
* to non-WLAN transport, user space modules and peers would evaluate the switch
* request and may not be ready for switch and hence switch to non-WLAN
* transport gets rejected.
*
* @QCA_WLAN_AUDIO_TRANSPORT_SWITCH_STATUS_COMPLETED: Request to switch
* transport has been completed. This is sent only in the command path. For
* example, when the driver had requested for audio transport switch and
* userspace modules as well as peers are ready for the switch, userspace module
* switches the transport and sends the subcommand with status completed to the
* driver.
*/
enum qca_wlan_audio_transport_switch_status {
QCA_WLAN_AUDIO_TRANSPORT_SWITCH_STATUS_REJECTED = 0,
QCA_WLAN_AUDIO_TRANSPORT_SWITCH_STATUS_COMPLETED = 1,
};
/**
* enum qca_wlan_audio_transport_switch_reason - Represents the reason of audio
* transport switch request.
*
* @QCA_WLAN_AUDIO_TRANSPORT_SWITCH_REASON_TERMINATING: Requester transport is
* terminating. After this indication, requester module may not be available to
* process further request on its transport. For example, to handle a high
* priority concurrent interface, WLAN transport needs to terminate and hence
* indicates switch to a non-WLAN transport with reason terminating. User space
* modules switch to non-WLAN immediately without waiting for further
* confirmation.
*/
enum qca_wlan_audio_transport_switch_reason {
QCA_WLAN_AUDIO_TRANSPORT_SWITCH_REASON_TERMINATING = 0,
};
/**
* enum qca_wlan_vendor_attr_audio_transport_switch - Attributes used by
* %QCA_NL80211_VENDOR_SUBCMD_AUDIO_TRANSPORT_SWITCH vendor command.
*
* @QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_TYPE: u8 attribute. Indicates
* the transport switch type from one of the values in enum
* qca_wlan_audio_transport_switch_type. This is mandatory attribute in both
* command and event path. This attribute is included in both requests and
* responses.
*
* @QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_STATUS: u8 attribute. Indicates
* the transport switch status from one of the values in enum
* qca_wlan_audio_transport_switch_status. This is optional attribute and used
* in both command and event path. This attribute must not be included in
* requests.
*
* @QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_REASON: u8 attribute. Indicates
* the transport switch reason from one of the values in enum
* qca_wlan_audio_transport_switch_reason. This is optional attribute and used
* in both command and event path.
*/
enum qca_wlan_vendor_attr_audio_transport_switch {
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_INVALID = 0,
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_TYPE = 1,
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_STATUS = 2,
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_REASON = 3,
/* keep last */
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_AFTER_LAST,
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_MAX =
QCA_WLAN_VENDOR_ATTR_AUDIO_TRANSPORT_SWITCH_AFTER_LAST - 1,
};
#endif /* QCA_VENDOR_H */ #endif /* QCA_VENDOR_H */