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|
--- a/nl80211.h
+++ b/nl80211.h
@@ -324,6 +324,17 @@
*/
/**
+ * DOC: Multi-Link Operation
+ *
+ * In Multi-Link Operation, a connection between to MLDs utilizes multiple
+ * links. To use this in nl80211, various commands and responses now need
+ * to or will include the new %NL80211_ATTR_MLO_LINKS attribute.
+ * Additionally, various commands that need to operate on a specific link
+ * now need to be given the %NL80211_ATTR_MLO_LINK_ID attribute, e.g. to
+ * use %NL80211_CMD_START_AP or similar functions.
+ */
+
+/**
* enum nl80211_commands - supported nl80211 commands
*
* @NL80211_CMD_UNSPEC: unspecified command to catch errors
@@ -366,14 +377,22 @@
* the non-transmitting interfaces are deleted as well.
*
* @NL80211_CMD_GET_KEY: Get sequence counter information for a key specified
- * by %NL80211_ATTR_KEY_IDX and/or %NL80211_ATTR_MAC.
+ * by %NL80211_ATTR_KEY_IDX and/or %NL80211_ATTR_MAC. %NL80211_ATTR_MAC
+ * represents peer's MLD address for MLO pairwise key. For MLO group key,
+ * the link is identified by %NL80211_ATTR_MLO_LINK_ID.
* @NL80211_CMD_SET_KEY: Set key attributes %NL80211_ATTR_KEY_DEFAULT,
* %NL80211_ATTR_KEY_DEFAULT_MGMT, or %NL80211_ATTR_KEY_THRESHOLD.
+ * For MLO connection, the link to set default key is identified by
+ * %NL80211_ATTR_MLO_LINK_ID.
* @NL80211_CMD_NEW_KEY: add a key with given %NL80211_ATTR_KEY_DATA,
* %NL80211_ATTR_KEY_IDX, %NL80211_ATTR_MAC, %NL80211_ATTR_KEY_CIPHER,
- * and %NL80211_ATTR_KEY_SEQ attributes.
+ * and %NL80211_ATTR_KEY_SEQ attributes. %NL80211_ATTR_MAC represents
+ * peer's MLD address for MLO pairwise key. The link to add MLO
+ * group key is identified by %NL80211_ATTR_MLO_LINK_ID.
* @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_IDX
- * or %NL80211_ATTR_MAC.
+ * or %NL80211_ATTR_MAC. %NL80211_ATTR_MAC represents peer's MLD address
+ * for MLO pairwise key. The link to delete group key is identified by
+ * %NL80211_ATTR_MLO_LINK_ID.
*
* @NL80211_CMD_GET_BEACON: (not used)
* @NL80211_CMD_SET_BEACON: change the beacon on an access point interface
@@ -753,6 +772,13 @@
* %NL80211_ATTR_CSA_C_OFFSETS_TX is an array of offsets to CSA
* counters which will be updated to the current value. This attribute
* is used during CSA period.
+ * For TX on an MLD, the frequency can be omitted and the link ID be
+ * specified, or if transmitting to a known peer MLD (with MLD addresses
+ * in the frame) both can be omitted and the link will be selected by
+ * lower layers.
+ * For RX notification, %NL80211_ATTR_RX_HW_TIMESTAMP may be included to
+ * indicate the frame RX timestamp and %NL80211_ATTR_TX_HW_TIMESTAMP may
+ * be included to indicate the ack TX timestamp.
* @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
* command may be used with the corresponding cookie to cancel the wait
* time if it is known that it is no longer necessary. This command is
@@ -763,7 +789,9 @@
* transmitted with %NL80211_CMD_FRAME. %NL80211_ATTR_COOKIE identifies
* the TX command and %NL80211_ATTR_FRAME includes the contents of the
* frame. %NL80211_ATTR_ACK flag is included if the recipient acknowledged
- * the frame.
+ * the frame. %NL80211_ATTR_TX_HW_TIMESTAMP may be included to indicate the
+ * tx timestamp and %NL80211_ATTR_RX_HW_TIMESTAMP may be included to
+ * indicate the ack RX timestamp.
* @NL80211_CMD_ACTION_TX_STATUS: Alias for @NL80211_CMD_FRAME_TX_STATUS for
* backward compatibility.
*
@@ -1108,6 +1136,12 @@
* has been received. %NL80211_ATTR_FRAME is used to specify the
* frame contents. The frame is the raw EAPoL data, without ethernet or
* 802.11 headers.
+ * For an MLD transmitter, the %NL80211_ATTR_MLO_LINK_ID may be given and
+ * its effect will depend on the destination: If the destination is known
+ * to be an MLD, this will be used as a hint to select the link to transmit
+ * the frame on. If the destination is not an MLD, this will select both
+ * the link to transmit on and the source address will be set to the link
+ * address of that link.
* When used as an event indication %NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
* %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT and %NL80211_ATTR_MAC are added
* indicating the protocol type of the received frame; whether the frame
@@ -1237,6 +1271,16 @@
* to describe the BSSID address of the AP and %NL80211_ATTR_TIMEOUT to
* specify the timeout value.
*
+ * @NL80211_CMD_ADD_LINK: Add a new link to an interface. The
+ * %NL80211_ATTR_MLO_LINK_ID attribute is used for the new link.
+ * @NL80211_CMD_REMOVE_LINK: Remove a link from an interface. This may come
+ * without %NL80211_ATTR_MLO_LINK_ID as an easy way to remove all links
+ * in preparation for e.g. roaming to a regular (non-MLO) AP.
+ *
+ * @NL80211_CMD_ADD_LINK_STA: Add a link to an MLD station
+ * @NL80211_CMD_MODIFY_LINK_STA: Modify a link of an MLD station
+ * @NL80211_CMD_REMOVE_LINK_STA: Remove a link of an MLD station
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1481,6 +1525,13 @@ enum nl80211_commands {
NL80211_CMD_ASSOC_COMEBACK,
+ NL80211_CMD_ADD_LINK,
+ NL80211_CMD_REMOVE_LINK,
+
+ NL80211_CMD_ADD_LINK_STA,
+ NL80211_CMD_MODIFY_LINK_STA,
+ NL80211_CMD_REMOVE_LINK_STA,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -2340,8 +2391,10 @@ enum nl80211_commands {
*
* @NL80211_ATTR_IFTYPE_EXT_CAPA: Nested attribute of the following attributes:
* %NL80211_ATTR_IFTYPE, %NL80211_ATTR_EXT_CAPA,
- * %NL80211_ATTR_EXT_CAPA_MASK, to specify the extended capabilities per
- * interface type.
+ * %NL80211_ATTR_EXT_CAPA_MASK, to specify the extended capabilities and
+ * other interface-type specific capabilities per interface type. For MLO,
+ * %NL80211_ATTR_EML_CAPABILITY and %NL80211_ATTR_MLD_CAPA_AND_OPS are
+ * present.
*
* @NL80211_ATTR_MU_MIMO_GROUP_DATA: array of 24 bytes that defines a MU-MIMO
* groupID for monitor mode.
@@ -2663,6 +2716,44 @@ enum nl80211_commands {
* association request when used with NL80211_CMD_NEW_STATION). Can be set
* only if %NL80211_STA_FLAG_WME is set.
*
+ * @NL80211_ATTR_MLO_LINK_ID: A (u8) link ID for use with MLO, to be used with
+ * various commands that need a link ID to operate.
+ * @NL80211_ATTR_MLO_LINKS: A nested array of links, each containing some
+ * per-link information and a link ID.
+ * @NL80211_ATTR_MLD_ADDR: An MLD address, used with various commands such as
+ * authenticate/associate.
+ *
+ * @NL80211_ATTR_MLO_SUPPORT: Flag attribute to indicate user space supports MLO
+ * connection. Used with %NL80211_CMD_CONNECT. If this attribute is not
+ * included in NL80211_CMD_CONNECT drivers must not perform MLO connection.
+ *
+ * @NL80211_ATTR_MAX_NUM_AKM_SUITES: U16 attribute. Indicates maximum number of
+ * AKM suites allowed for %NL80211_CMD_CONNECT, %NL80211_CMD_ASSOCIATE and
+ * %NL80211_CMD_START_AP in %NL80211_CMD_GET_WIPHY response. If this
+ * attribute is not present userspace shall consider maximum number of AKM
+ * suites allowed as %NL80211_MAX_NR_AKM_SUITES which is the legacy maximum
+ * number prior to the introduction of this attribute.
+ *
+ * @NL80211_ATTR_EML_CAPABILITY: EML Capability information (u16)
+ * @NL80211_ATTR_MLD_CAPA_AND_OPS: MLD Capabilities and Operations (u16)
+ *
+ * @NL80211_ATTR_TX_HW_TIMESTAMP: Hardware timestamp for TX operation in
+ * nanoseconds (u64). This is the device clock timestamp so it will
+ * probably reset when the device is stopped or the firmware is reset.
+ * When used with %NL80211_CMD_FRAME_TX_STATUS, indicates the frame TX
+ * timestamp. When used with %NL80211_CMD_FRAME RX notification, indicates
+ * the ack TX timestamp.
+ * @NL80211_ATTR_RX_HW_TIMESTAMP: Hardware timestamp for RX operation in
+ * nanoseconds (u64). This is the device clock timestamp so it will
+ * probably reset when the device is stopped or the firmware is reset.
+ * When used with %NL80211_CMD_FRAME_TX_STATUS, indicates the ack RX
+ * timestamp. When used with %NL80211_CMD_FRAME RX notification, indicates
+ * the incoming frame RX timestamp.
+ * @NL80211_ATTR_TD_BITMAP: Transition Disable bitmap, for subsequent
+ * (re)associations.
+ * @NL80211_ATTR_WIPHY_ANTENNA_GAIN: Configured antenna gain. Used to reduce
+ * transmit power to stay within regulatory limits. u32, dBi.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3177,6 +3268,23 @@ enum nl80211_attrs {
NL80211_ATTR_DISABLE_EHT,
+ NL80211_ATTR_MLO_LINKS,
+ NL80211_ATTR_MLO_LINK_ID,
+ NL80211_ATTR_MLD_ADDR,
+
+ NL80211_ATTR_MLO_SUPPORT,
+
+ NL80211_ATTR_MAX_NUM_AKM_SUITES,
+
+ NL80211_ATTR_EML_CAPABILITY,
+ NL80211_ATTR_MLD_CAPA_AND_OPS,
+
+ NL80211_ATTR_TX_HW_TIMESTAMP,
+ NL80211_ATTR_RX_HW_TIMESTAMP,
+ NL80211_ATTR_TD_BITMAP,
+
+ NL80211_ATTR_WIPHY_ANTENNA_GAIN,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -3231,6 +3339,11 @@ enum nl80211_attrs {
#define NL80211_HE_MIN_CAPABILITY_LEN 16
#define NL80211_HE_MAX_CAPABILITY_LEN 54
#define NL80211_MAX_NR_CIPHER_SUITES 5
+
+/*
+ * NL80211_MAX_NR_AKM_SUITES is obsolete when %NL80211_ATTR_MAX_NUM_AKM_SUITES
+ * present in %NL80211_CMD_GET_WIPHY response.
+ */
#define NL80211_MAX_NR_AKM_SUITES 2
#define NL80211_EHT_MIN_CAPABILITY_LEN 13
#define NL80211_EHT_MAX_CAPABILITY_LEN 51
@@ -4853,6 +4966,8 @@ enum nl80211_bss_scan_width {
* Contains a nested array of signal strength attributes (u8, dBm),
* using the nesting index as the antenna number.
* @NL80211_BSS_FREQUENCY_OFFSET: frequency offset in KHz
+ * @NL80211_BSS_MLO_LINK_ID: MLO link ID of the BSS (u8).
+ * @NL80211_BSS_MLD_ADDR: MLD address of this BSS if connected to it.
* @__NL80211_BSS_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
@@ -4878,6 +4993,8 @@ enum nl80211_bss {
NL80211_BSS_PARENT_BSSID,
NL80211_BSS_CHAIN_SIGNAL,
NL80211_BSS_FREQUENCY_OFFSET,
+ NL80211_BSS_MLO_LINK_ID,
+ NL80211_BSS_MLD_ADDR,
/* keep last */
__NL80211_BSS_AFTER_LAST,
@@ -5874,7 +5991,7 @@ enum nl80211_ap_sme_features {
* @NL80211_FEATURE_INACTIVITY_TIMER: This driver takes care of freeing up
* the connected inactive stations in AP mode.
* @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
- * to work properly to suppport receiving regulatory hints from
+ * to work properly to support receiving regulatory hints from
* cellular base stations.
* @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
* here to reserve the value for API/ABI compatibility)
@@ -6174,6 +6291,14 @@ enum nl80211_feature_flags {
* @NL80211_EXT_FEATURE_RADAR_BACKGROUND: Device supports background radar/CAC
* detection.
*
+ * @NL80211_EXT_FEATURE_POWERED_ADDR_CHANGE: Device can perform a MAC address
+ * change without having to bring the underlying network device down
+ * first. For example, in station mode this can be used to vary the
+ * origin MAC address prior to a connection to a new AP for privacy
+ * or other reasons. Note that certain driver specific restrictions
+ * might apply, e.g. no scans in progress, no offchannel operations
+ * in progress, and no active connections.
+ *
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -6241,6 +6366,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_BSS_COLOR,
NL80211_EXT_FEATURE_FILS_CRYPTO_OFFLOAD,
NL80211_EXT_FEATURE_RADAR_BACKGROUND,
+ NL80211_EXT_FEATURE_POWERED_ADDR_CHANGE,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,
|
