From 3b1c5a5307fb5277f395efdcf330c064d79df07d Mon Sep 17 00:00:00 2001 From: Marco Porsch Date: Mon, 7 Jan 2013 16:04:52 +0100 Subject: [PATCH] {cfg,nl}80211: mesh power mode primitives and userspace access Add the nl80211_mesh_power_mode enumeration which holds possible values for the mesh power mode. These modes are unknown, active, light sleep and deep sleep. Add power_mode entry to the mesh config structure to hold the user-configured default mesh power mode. This value will be used for new peer links. Add the dot11MeshAwakeWindowDuration value to the mesh config. The awake window is a duration in TU describing how long the STA will stay awake after transmitting its beacon in PS mode. Add access routines to: - get/set local link-specific power mode (STA) - get remote STA's link-specific power mode (STA) - get remote STA's non-peer power mode (STA) - get/set default mesh power mode (mesh config) - get/set mesh awake window duration (mesh config) All config changes may be done at mesh runtime and take effect immediately. Signed-off-by: Marco Porsch Signed-off-by: Ivan Bezyazychnyy Signed-off-by: Mike Krinkin [fix commit message line length, error handling in set station] Signed-off-by: Johannes Berg --- include/net/cfg80211.h | 21 ++++++++++++++++ include/uapi/linux/nl80211.h | 47 ++++++++++++++++++++++++++++++++++++ net/wireless/mesh.c | 3 +++ net/wireless/nl80211.c | 43 ++++++++++++++++++++++++++++++++- 4 files changed, 113 insertions(+), 1 deletion(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 516aded3697f..d9f08f65f7a5 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -610,6 +610,8 @@ enum station_parameters_apply_mask { * @sta_modify_mask: bitmap indicating which parameters changed * (for those that don't have a natural "no change" value), * see &enum station_parameters_apply_mask + * @local_pm: local link-specific mesh power save mode (no change when set + * to unknown) */ struct station_parameters { u8 *supported_rates; @@ -625,6 +627,7 @@ struct station_parameters { struct ieee80211_vht_cap *vht_capa; u8 uapsd_queues; u8 max_sp; + enum nl80211_mesh_power_mode local_pm; }; /** @@ -655,6 +658,9 @@ struct station_parameters { * @STATION_INFO_STA_FLAGS: @sta_flags filled * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled * @STATION_INFO_T_OFFSET: @t_offset filled + * @STATION_INFO_LOCAL_PM: @local_pm filled + * @STATION_INFO_PEER_PM: @peer_pm filled + * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled */ enum station_info_flags { STATION_INFO_INACTIVE_TIME = 1<<0, @@ -678,6 +684,9 @@ enum station_info_flags { STATION_INFO_STA_FLAGS = 1<<18, STATION_INFO_BEACON_LOSS_COUNT = 1<<19, STATION_INFO_T_OFFSET = 1<<20, + STATION_INFO_LOCAL_PM = 1<<21, + STATION_INFO_PEER_PM = 1<<22, + STATION_INFO_NONPEER_PM = 1<<23, }; /** @@ -791,6 +800,9 @@ struct sta_bss_parameters { * @sta_flags: station flags mask & values * @beacon_loss_count: Number of times beacon loss event has triggered. * @t_offset: Time offset of the station relative to this host. + * @local_pm: local mesh STA power save mode + * @peer_pm: peer mesh STA power save mode + * @nonpeer_pm: non-peer mesh STA power save mode */ struct station_info { u32 filled; @@ -820,6 +832,9 @@ struct station_info { u32 beacon_loss_count; s64 t_offset; + enum nl80211_mesh_power_mode local_pm; + enum nl80211_mesh_power_mode peer_pm; + enum nl80211_mesh_power_mode nonpeer_pm; /* * Note: Add a new enum station_info_flags value for each new field and @@ -995,6 +1010,10 @@ struct bss_parameters { * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs) * during which a mesh STA can send only one Action frame containing * a PREQ element for root path confirmation. + * @power_mode: The default mesh power save mode which will be the initial + * setting for new peer links. + * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake + * after transmitting its beacon. */ struct mesh_config { u16 dot11MeshRetryTimeout; @@ -1022,6 +1041,8 @@ struct mesh_config { u32 dot11MeshHWMPactivePathToRootTimeout; u16 dot11MeshHWMProotInterval; u16 dot11MeshHWMPconfirmationInterval; + enum nl80211_mesh_power_mode power_mode; + u16 dot11MeshAwakeWindowDuration; }; /** diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 547017100a30..6c4f703ae890 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1310,6 +1310,9 @@ enum nl80211_commands { * if not given in START_AP 0 is assumed, if not given in SET_BSS * no change is made. * + * @NL80211_ATTR_LOCAL_MESH_POWER_MODE: local mesh STA link-specific power mode + * defined in &enum nl80211_mesh_power_mode. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -1580,6 +1583,8 @@ enum nl80211_attrs { NL80211_ATTR_P2P_CTWINDOW, NL80211_ATTR_P2P_OPPPS, + NL80211_ATTR_LOCAL_MESH_POWER_MODE, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -1838,6 +1843,10 @@ enum nl80211_sta_bss_param { * @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update. * @NL80211_STA_INFO_BEACON_LOSS: count of times beacon loss was detected (u32) * @NL80211_STA_INFO_T_OFFSET: timing offset with respect to this STA (s64) + * @NL80211_STA_INFO_LOCAL_PM: local mesh STA link-specific power mode + * @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode + * @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards + * non-peer STA * @__NL80211_STA_INFO_AFTER_LAST: internal * @NL80211_STA_INFO_MAX: highest possible station info attribute */ @@ -1862,6 +1871,9 @@ enum nl80211_sta_info { NL80211_STA_INFO_STA_FLAGS, NL80211_STA_INFO_BEACON_LOSS, NL80211_STA_INFO_T_OFFSET, + NL80211_STA_INFO_LOCAL_PM, + NL80211_STA_INFO_PEER_PM, + NL80211_STA_INFO_NONPEER_PM, /* keep last */ __NL80211_STA_INFO_AFTER_LAST, @@ -2252,6 +2264,34 @@ enum nl80211_mntr_flags { NL80211_MNTR_FLAG_MAX = __NL80211_MNTR_FLAG_AFTER_LAST - 1 }; +/** + * enum nl80211_mesh_power_mode - mesh power save modes + * + * @NL80211_MESH_POWER_UNKNOWN: The mesh power mode of the mesh STA is + * not known or has not been set yet. + * @NL80211_MESH_POWER_ACTIVE: Active mesh power mode. The mesh STA is + * in Awake state all the time. + * @NL80211_MESH_POWER_LIGHT_SLEEP: Light sleep mode. The mesh STA will + * alternate between Active and Doze states, but will wake up for + * neighbor's beacons. + * @NL80211_MESH_POWER_DEEP_SLEEP: Deep sleep mode. The mesh STA will + * alternate between Active and Doze states, but may not wake up + * for neighbor's beacons. + * + * @__NL80211_MESH_POWER_AFTER_LAST - internal use + * @NL80211_MESH_POWER_MAX - highest possible power save level + */ + +enum nl80211_mesh_power_mode { + NL80211_MESH_POWER_UNKNOWN, + NL80211_MESH_POWER_ACTIVE, + NL80211_MESH_POWER_LIGHT_SLEEP, + NL80211_MESH_POWER_DEEP_SLEEP, + + __NL80211_MESH_POWER_AFTER_LAST, + NL80211_MESH_POWER_MAX = __NL80211_MESH_POWER_AFTER_LAST - 1 +}; + /** * enum nl80211_meshconf_params - mesh configuration parameters * @@ -2346,6 +2386,11 @@ enum nl80211_mntr_flags { * (in TUs) during which a mesh STA can send only one Action frame * containing a PREQ element for root path confirmation. * + * @NL80211_MESHCONF_POWER_MODE: Default mesh power mode for new peer links. + * type &enum nl80211_mesh_power_mode (u32) + * + * @NL80211_MESHCONF_AWAKE_WINDOW: awake window duration (in TUs) + * * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use */ enum nl80211_meshconf_params { @@ -2375,6 +2420,8 @@ enum nl80211_meshconf_params { NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, + NL80211_MESHCONF_POWER_MODE, + NL80211_MESHCONF_AWAKE_WINDOW, /* keep last */ __NL80211_MESHCONF_ATTR_AFTER_LAST, diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 0fe8ceb5444e..55957a284f6c 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -46,6 +46,7 @@ #define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units (=TUs) */ #define MESH_DEFAULT_DTIM_PERIOD 2 +#define MESH_DEFAULT_AWAKE_WINDOW 10 /* in 1024 us units (=TUs) */ const struct mesh_config default_mesh_config = { .dot11MeshRetryTimeout = MESH_RET_T, @@ -72,6 +73,8 @@ const struct mesh_config default_mesh_config = { .dot11MeshHWMPactivePathToRootTimeout = MESH_PATH_TO_ROOT_TIMEOUT, .dot11MeshHWMProotInterval = MESH_ROOT_INTERVAL, .dot11MeshHWMPconfirmationInterval = MESH_ROOT_CONFIRMATION_INTERVAL, + .power_mode = NL80211_MESH_POWER_ACTIVE, + .dot11MeshAwakeWindowDuration = MESH_DEFAULT_AWAKE_WINDOW, }; const struct mesh_setup default_mesh_setup = { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index d5842eb35aec..1a7a710fe9bf 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3001,6 +3001,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, sinfo->beacon_loss_count)) goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_LOCAL_PM) && + nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, + sinfo->local_pm)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_PEER_PM) && + nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, + sinfo->peer_pm)) + goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_NONPEER_PM) && + nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, + sinfo->nonpeer_pm)) + goto nla_put_failure; if (sinfo->filled & STATION_INFO_BSS_PARAM) { bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); if (!bss_param) @@ -3206,6 +3218,17 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) params.plink_state = nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); + if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { + enum nl80211_mesh_power_mode pm = nla_get_u32( + info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); + + if (pm <= NL80211_MESH_POWER_UNKNOWN || + pm > NL80211_MESH_POWER_MAX) + return -EINVAL; + + params.local_pm = pm; + } + switch (dev->ieee80211_ptr->iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: @@ -3213,6 +3236,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) /* disallow mesh-specific things */ if (params.plink_action) return -EINVAL; + if (params.local_pm) + return -EINVAL; /* TDLS can't be set, ... */ if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) @@ -3265,6 +3290,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) /* disallow things sta doesn't support */ if (params.plink_action) return -EINVAL; + if (params.local_pm) + return -EINVAL; /* reject any changes other than AUTHORIZED */ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) return -EINVAL; @@ -3922,7 +3949,11 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, cur_params.dot11MeshHWMProotInterval) || nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, - cur_params.dot11MeshHWMPconfirmationInterval)) + cur_params.dot11MeshHWMPconfirmationInterval) || + nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, + cur_params.power_mode) || + nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, + cur_params.dot11MeshAwakeWindowDuration)) goto nla_put_failure; nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); @@ -3961,6 +3992,8 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, + [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, + [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, }; static const struct nla_policy @@ -4088,6 +4121,14 @@ do { \ 1, 65535, mask, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, + NL80211_MESH_POWER_ACTIVE, + NL80211_MESH_POWER_MAX, + mask, NL80211_MESHCONF_POWER_MODE, + nla_get_u32); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, + 0, 65535, mask, + NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); if (mask_out) *mask_out = mask; -- 2.20.1