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-rw-r--r--include/linux/nl80211.h9
-rw-r--r--net/wireless/nl80211.c31
2 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 07aa046..2c87016 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -725,6 +725,12 @@ enum nl80211_commands {
* @NL80211_ATTR_AP_ISOLATE: (AP mode) Do not forward traffic between stations
* connected to this BSS.
*
+ * @NL80211_ATTR_WIPHY_TX_POWER_SETTING: Transmit power setting type. See
+ * &enum nl80211_tx_power_setting for possible values.
+ * @NL80211_ATTR_WIPHY_TX_POWER_LEVEL: Transmit power level in signed mBm units.
+ * This is used in association with @NL80211_ATTR_WIPHY_TX_POWER_SETTING
+ * for non-automatic settings.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -882,6 +888,9 @@ enum nl80211_attrs {
NL80211_ATTR_AP_ISOLATE,
+ NL80211_ATTR_WIPHY_TX_POWER_SETTING,
+ NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 41529ac..a999fc1 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -153,6 +153,9 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
[NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
[NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
+
+ [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
};
/* policy for the attributes */
@@ -869,6 +872,34 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
goto bad_res;
}
+ if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
+ enum nl80211_tx_power_setting type;
+ int idx, mbm = 0;
+
+ if (!rdev->ops->set_tx_power) {
+ return -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
+ type = nla_get_u32(info->attrs[idx]);
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
+ (type != NL80211_TX_POWER_AUTOMATIC)) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ if (type != NL80211_TX_POWER_AUTOMATIC) {
+ idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
+ mbm = nla_get_u32(info->attrs[idx]);
+ }
+
+ result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm);
+ if (result)
+ goto bad_res;
+ }
+
changed = 0;
if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
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