diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/cfg80211.h | 36 | ||||
| -rw-r--r-- | include/uapi/linux/nl80211.h | 30 |
2 files changed, 55 insertions, 11 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index cb13789ebaef..4456491132cd 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1620,6 +1620,17 @@ struct cfg80211_sched_scan_plan { }; /** + * struct cfg80211_bss_select_adjust - BSS selection with RSSI adjustment. + * + * @band: band of BSS which should match for RSSI level adjustment. + * @delta: value of RSSI level adjustment. + */ +struct cfg80211_bss_select_adjust { + enum nl80211_band band; + s8 delta; +}; + +/** * struct cfg80211_sched_scan_request - scheduled scan request description * * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans) @@ -1654,6 +1665,16 @@ struct cfg80211_sched_scan_plan { * cycle. The driver may ignore this parameter and start * immediately (or at any other time), if this feature is not * supported. + * @relative_rssi_set: Indicates whether @relative_rssi is set or not. + * @relative_rssi: Relative RSSI threshold in dB to restrict scan result + * reporting in connected state to cases where a matching BSS is determined + * to have better or slightly worse RSSI than the current connected BSS. + * The relative RSSI threshold values are ignored in disconnected state. + * @rssi_adjust: delta dB of RSSI preference to be given to the BSSs that belong + * to the specified band while deciding whether a better BSS is reported + * using @relative_rssi. If delta is a negative number, the BSSs that + * belong to the specified band will be penalized by delta dB in relative + * comparisions. */ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; @@ -1673,6 +1694,10 @@ struct cfg80211_sched_scan_request { u8 mac_addr[ETH_ALEN] __aligned(2); u8 mac_addr_mask[ETH_ALEN] __aligned(2); + bool relative_rssi_set; + s8 relative_rssi; + struct cfg80211_bss_select_adjust rssi_adjust; + /* internal */ struct wiphy *wiphy; struct net_device *dev; @@ -1981,17 +2006,6 @@ struct cfg80211_ibss_params { }; /** - * struct cfg80211_bss_select_adjust - BSS selection with RSSI adjustment. - * - * @band: band of BSS which should match for RSSI level adjustment. - * @delta: value of RSSI level adjustment. - */ -struct cfg80211_bss_select_adjust { - enum nl80211_band band; - s8 delta; -}; - -/** * struct cfg80211_bss_selection - connection parameters for BSS selection. * * @behaviour: requested BSS selection behaviour. diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 908886c83894..6b17feb5e839 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1982,6 +1982,20 @@ enum nl80211_commands { * @NL80211_ATTR_BSSID: The BSSID of the AP. Note that %NL80211_ATTR_MAC is also * used in various commands/events for specifying the BSSID. * + * @NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI: Relative RSSI threshold by which + * other BSSs has to be better or slightly worse than the current + * connected BSS so that they get reported to user space. + * This will give an opportunity to userspace to consider connecting to + * other matching BSSs which have better or slightly worse RSSI than + * the current connected BSS by using an offloaded operation to avoid + * unnecessary wakeups. + * + * @NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST: When present the RSSI level for BSSs in + * the specified band is to be adjusted before doing + * %NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI based comparision to figure out + * better BSSs. The attribute value is a packed structure + * value as specified by &struct nl80211_bss_select_rssi_adjust. + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2388,6 +2402,9 @@ enum nl80211_attrs { NL80211_ATTR_BSSID, + NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, + NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -3080,6 +3097,13 @@ enum nl80211_reg_rule_attr { * how this API was implemented in the past. Also, due to the same problem, * the only way to create a matchset with only an RSSI filter (with this * attribute) is if there's only a single matchset with the RSSI attribute. + * @NL80211_SCHED_SCAN_MATCH_ATTR_RELATIVE_RSSI: Flag indicating whether + * %NL80211_SCHED_SCAN_MATCH_ATTR_RSSI to be used as absolute RSSI or + * relative to current bss's RSSI. + * @NL80211_SCHED_SCAN_MATCH_ATTR_RSSI_ADJUST: When present the RSSI level for + * BSS-es in the specified band is to be adjusted before doing + * RSSI-based BSS selection. The attribute value is a packed structure + * value as specified by &struct nl80211_bss_select_rssi_adjust. * @NL80211_SCHED_SCAN_MATCH_ATTR_MAX: highest scheduled scan filter * attribute number currently defined * @__NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST: internal use @@ -3089,6 +3113,8 @@ enum nl80211_sched_scan_match_attr { NL80211_SCHED_SCAN_MATCH_ATTR_SSID, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, + NL80211_SCHED_SCAN_MATCH_ATTR_RELATIVE_RSSI, + NL80211_SCHED_SCAN_MATCH_ATTR_RSSI_ADJUST, /* keep last */ __NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST, @@ -4703,6 +4729,9 @@ enum nl80211_feature_flags { * in @NL80211_CMD_FRAME while not associated. * @NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED: This driver supports * randomized TA in @NL80211_CMD_FRAME while associated. + * @NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI: The driver supports sched_scan + * for reporting BSSs with better RSSI than the current connected BSS + * (%NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI). * * @NUM_NL80211_EXT_FEATURES: number of extended features. * @MAX_NL80211_EXT_FEATURES: highest extended feature index. @@ -4720,6 +4749,7 @@ enum nl80211_ext_feature_index { NL80211_EXT_FEATURE_FILS_STA, NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA, NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED, + NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI, /* add new features before the definition below */ NUM_NL80211_EXT_FEATURES, |