Commit d55d0d59 authored Aug 31, 2015 by Rafał Miłecki Committed by Johannes Berg Sep 22, 2015

nl80211: put current TX power in interface info



Many drivers implement reading current TX power (using either cfg80211
or ieee80211 op) but userspace can't get it using nl80211. Right now the
only way to access it is to call some wext ioctl.
Let's put TX power in interface info reply (callback is wdev specific)
just like we do with current channel.
To be consistent (e.g. NL80211_CMD_SET_WIPHY) let's use mBm as na unit.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 0edd5fae

net/wireless/nl80211.c

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2404,6 +2404,16 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
	}		}
	}		}

			if (rdev->ops->get_tx_power) {
			int dbm, ret;

			ret = rdev_get_tx_power(rdev, wdev, &dbm);
			if (ret == 0 &&
			nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
			DBM_TO_MBM(dbm)))
			goto nla_put_failure;
			}

	if (wdev->ssid_len) {		if (wdev->ssid_len) {
	if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))		if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
	goto nla_put_failure;		goto nla_put_failure;

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