Signed-off-by: Shashidhar Lakkavalli <slakkavalli@xxxxxxxxx>
Signed-off-by: John Crispin <john@xxxxxxxxxxx>
---
include/net/cfg80211.h | 15 +++++++++++++
include/net/mac80211.h | 4 ++++
include/uapi/linux/nl80211.h | 27 +++++++++++++++++++++++
net/mac80211/cfg.c | 5 ++++-
net/wireless/nl80211.c | 42 ++++++++++++++++++++++++++++++++++++
5 files changed, 92 insertions(+), 1 deletion(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 044c519a008f..3f67f01b5f7a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -249,6 +249,19 @@ struct ieee80211_rate {
u16 hw_value, hw_value_short;
};
+/**
+ * struct ieee80211_he_obss_pd - AP settings for spatial reuse
+ *
+ * @enable: is the feature enabled.
+ * @min_offset: minimal tx power offset an associated station shall use
+ * @max_offset: maximum tx power offset an associated station shall use
+ */
+struct ieee80211_he_obss_pd {
+ bool enable;
+ u32 min_offset;
+ u32 max_offset;
+};
+
/**
* struct ieee80211_sta_ht_cap - STA's HT capabilities
*
@@ -878,6 +891,7 @@ enum cfg80211_ap_settings_flags {
* @vht_required: stations must support VHT
* @twt_responder: Enable Target Wait Time
* @flags: flags, as defined in enum cfg80211_ap_settings_flags
+ * @he_obss_pd: OBSS Packet Detection settings
*/
struct cfg80211_ap_settings {
struct cfg80211_chan_def chandef;
@@ -905,6 +919,7 @@ struct cfg80211_ap_settings {
bool ht_required, vht_required;
bool twt_responder;
u32 flags;
+ struct ieee80211_he_obss_pd he_obss_pd;
};
/**
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a8e2381c9954..d81eea9140e5 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -318,6 +318,7 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder
* functionality changed for this BSS (AP mode).
* @BSS_CHANGED_TWT: TWT status changed
+ * @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed.
*
*/
enum ieee80211_bss_change {
@@ -349,6 +350,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_MCAST_RATE = 1<<25,
BSS_CHANGED_FTM_RESPONDER = 1<<26,
BSS_CHANGED_TWT = 1<<27,
+ BSS_CHANGED_HE_OBSS_PD = 1<<28,
/* when adding here, make sure to change ieee80211_reconfig */
};
@@ -603,6 +605,7 @@ struct ieee80211_ftm_responder_params {
* nontransmitted BSSIDs
* @profile_periodicity: the least number of beacon frames need to be received
* in order to discover all the nontransmitted BSSIDs in the set.
+ * @he_obss_pd: OBSS Packet Detection parameters.
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@@ -664,6 +667,7 @@ struct ieee80211_bss_conf {
u8 bssid_indicator;
bool ema_ap;
u8 profile_periodicity;
+ struct ieee80211_he_obss_pd he_obss_pd;
};
/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 07d3f1949f96..78f3326ae0ea 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2310,6 +2310,9 @@ enum nl80211_commands {
*
* @NL80211_ATTR_TWT_RESPONDER: Enable target wait time responder support.
*
+ * @NL80211_ATTR_HE_OBSS_PD: nested attribute for OBSS Packet Detection
+ * functionality.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2763,6 +2766,8 @@ enum nl80211_attrs {
NL80211_ATTR_TWT_RESPONDER,
+ NL80211_ATTR_HE_OBSS_PD,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -6390,4 +6395,26 @@ enum nl80211_peer_measurement_ftm_resp {
NL80211_PMSR_FTM_RESP_ATTR_MAX = NUM_NL80211_PMSR_FTM_RESP_ATTR - 1
};
+/**
+ * enum nl80211_he_spr - spatial reuse attributes
+ * @__NL80211_HE_OBSS_PD_ATTR_INVALID: Invalid
+ *
+ * @NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET: the OBSS PD minimum tx power offset.
+ * @NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET: the OBSS PD maximum tx power offset.
+ *
+ * @__NL80211_HE_OBSS_PD_ATTR_LAST: Internal
+ * @NL80211_HE_OBSS_PD_ATTR_MAX: highest spiatl reuse attribute.
+ */
+enum nl80211_he_spr_attributes {
+ __NL80211_HE_OBSS_PD_ATTR_INVALID,
+
+ NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET,
+ NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET,
+
+ /* keep last */
+ __NL80211_ATTR_HE_OBSS_PD_LAST,
+ NL80211_HE_OBSS_PD_ATTR_MAX = __NL80211_ATTR_HE_OBSS_PD_LAST - 1,
+};
+
+
#endif /* __LINUX_NL80211_H */
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 8be2f32fedfc..742b62187a4c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -940,7 +940,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
BSS_CHANGED_SSID |
BSS_CHANGED_P2P_PS |
BSS_CHANGED_TXPOWER |
- BSS_CHANGED_TWT;
+ BSS_CHANGED_TWT |
+ BSS_CHANGED_HE_OBSS_PD;
int err;
int prev_beacon_int;
@@ -1011,6 +1012,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.bss_conf.enable_beacon = true;
sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
sdata->vif.bss_conf.twt_responder = params->twt_responder;
+ memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
+ sizeof(struct ieee80211_he_obss_pd));
sdata->vif.bss_conf.ssid_len = params->ssid_len;
if (params->ssid_len)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b4dbb6b56853..266636ce3803 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -542,6 +542,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
[NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
[NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
+ [NL80211_ATTR_HE_OBSS_PD] = { .type = NLA_NESTED },
};
/* policy for the key attributes */
@@ -4253,6 +4254,40 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
return 0;
}
+static const struct nla_policy
+ he_spr_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
+ [NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET] = { .type = NLA_U32 },
+ [NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET] = { .type = NLA_U32 },
+};
+
+static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
+ struct ieee80211_he_obss_pd *he_obss_pd)
+{
+ struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
+ int err;
+
+ err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
+ he_spr_policy, NULL);
+ if (err)
+ return err;
+
+ if (!tb[NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET] ||
+ !tb[NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET])
+ return -EINVAL;
+
+ he_obss_pd->min_offset =
+ nla_get_u32(tb[NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET]);
+ he_obss_pd->max_offset =
+ nla_get_u32(tb[NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET]);
+
+ if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
+ return -EINVAL;
+
+ he_obss_pd->enable = true;
+
+ return 0;
+}
+
static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
const u8 *rates)
{
@@ -4536,6 +4571,13 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.twt_responder =
nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
+ if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
+ err = nl80211_parse_he_obss_pd(info->attrs[NL80211_ATTR_HE_OBSS_PD],
+ ¶ms.he_obss_pd);
+ if (err)
+ return err;
+ }
+
nl80211_calculate_ap_params(¶ms);
if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
--
2.20.1
