The local link-specific power mode defines the mesh power mode in which the
local STA operates towards the peer STA of the corresponding mesh peering.
The idea behind link-specific power modes it that a node in low power mode may
set a single link to active mode to transport data, without having to notify
the surrounding peers (+ following routing updates, ...). This commit allows
userspace to set these local per-link power modes.
Signed-off-by: Marco Porsch <marco.porsch@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ivan Bezyazychnyy <ivan.bezyazychnyy@xxxxxxxxx>
Signed-off-by: Mike Krinkin <krinkin.m.u@xxxxxxxxx>
---
include/net/cfg80211.h | 2 ++
include/uapi/linux/nl80211.h | 5 +++++
net/mac80211/cfg.c | 4 ++++
net/wireless/nl80211.c | 16 ++++++++++++++++
4 files changed, 27 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index cc61b4b..6eb0a6b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -506,6 +506,7 @@ 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_ps_mode: local link-specific mesh power save mode
*/
struct station_parameters {
u8 *supported_rates;
@@ -521,6 +522,7 @@ struct station_parameters {
struct ieee80211_vht_cap *vht_capa;
u8 uapsd_queues;
u8 max_sp;
+ enum nl80211_mesh_power_mode local_ps_mode;
};
/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index d0efa1e..bd54f21 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1281,6 +1281,9 @@ enum nl80211_commands {
*
* @NL80211_ATTR_SCAN_FLAGS: scan request control flags (u32)
*
+ * @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
*/
@@ -1544,6 +1547,8 @@ enum nl80211_attrs {
NL80211_ATTR_SCAN_FLAGS,
+ NL80211_ATTR_LOCAL_MESH_POWER_MODE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 62564e9..2ed111f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1184,6 +1184,10 @@ static int sta_apply_parameters(struct ieee80211_local *local,
mesh_plink_block(sta);
break;
}
+
+ if (params->local_ps_mode)
+ ieee80211_set_sta_mesh_local_ps_mode(sta,
+ params->local_ps_mode, 0);
#endif
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 3e2aa63..8749d3c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3100,6 +3100,18 @@ 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_u8(
+ info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
+
+ if (pm <= NL80211_MESH_POWER_UNKNOWN ||
+ pm >= __NL80211_MESH_POWER_AFTER_LAST)
+ return -EINVAL;
+
+ params.local_ps_mode =
+ nla_get_u8(info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
+ }
+
switch (dev->ieee80211_ptr->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
@@ -3107,6 +3119,8 @@ 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_ps_mode)
+ err = -EINVAL;
/* TDLS can't be set, ... */
if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
@@ -3149,6 +3163,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
if (params.listen_interval >= 0)
return -EINVAL;
+ if (params.local_ps_mode)
+ err = -EINVAL;
/* reject any changes other than AUTHORIZED */
if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
return -EINVAL;
--
1.7.9.5
--
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