@@ -179,6 +179,8 @@ static const char * nl80211_command_to_string(enum nl80211_commands cmd)
C2S(NL80211_CMD_COLOR_CHANGE_COMPLETED)
C2S(NL80211_CMD_SET_FILS_AAD)
C2S(NL80211_CMD_ASSOC_COMEBACK)
+ C2S(NL80211_CMD_ADD_LINK)
+ C2S(NL80211_CMD_REMOVE_LINK)
C2S(__NL80211_CMD_AFTER_LAST)
}
#undef C2S
@@ -323,6 +323,17 @@
* Once the association is done, the driver cleans the FILS AAD data.
*/
+/**
+ * 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
*
@@ -1237,6 +1248,12 @@
* 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_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1481,6 +1498,9 @@ enum nl80211_commands {
NL80211_CMD_ASSOC_COMEBACK,
+ NL80211_CMD_ADD_LINK,
+ NL80211_CMD_REMOVE_LINK,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -2663,6 +2683,24 @@ 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.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3175,6 +3213,16 @@ enum nl80211_attrs {
NL80211_ATTR_EHT_CAPABILITY,
+ 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,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -3229,6 +3277,11 @@ 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
@@ -4851,6 +4904,7 @@ 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_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
@@ -4876,6 +4930,7 @@ enum nl80211_bss {
NL80211_BSS_PARENT_BSSID,
NL80211_BSS_CHAIN_SIGNAL,
NL80211_BSS_FREQUENCY_OFFSET,
+ NL80211_BSS_MLO_LINK_ID,
/* keep last */
__NL80211_BSS_AFTER_LAST,
@@ -5872,7 +5927,7 @@ 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)
This brings in nl80211 definitions as of 2022-07-12. Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> --- src/drivers/driver_nl80211_event.c | 2 ++ src/drivers/nl80211_copy.h | 57 +++++++++++++++++++++++++++++- 2 files changed, 58 insertions(+), 1 deletion(-)