From ba905bf432f662cb907fd692a4f160e612c0408b Mon Sep 17 00:00:00 2001 From: Ashok Raj Nagarajan Date: Fri, 29 Mar 2019 16:19:09 +0530 Subject: mac80211: store tx power value from user to station This patch introduce a new driver callback drv_sta_set_txpwr. This API will copy the transmit power value passed from user space and call the driver callback to set the tx power for the station. Co-developed-by: Balaji Pothunoori Signed-off-by: Ashok Raj Nagarajan Signed-off-by: Balaji Pothunoori Signed-off-by: Johannes Berg --- net/mac80211/driver-ops.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'net/mac80211/driver-ops.c') diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index bb886e7db47f..839c0022a29c 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -138,6 +138,27 @@ int drv_sta_state(struct ieee80211_local *local, return ret; } +__must_check +int drv_sta_set_txpwr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return -EIO; + + trace_drv_sta_set_txpwr(local, sdata, &sta->sta); + if (local->ops->sta_set_txpwr) + ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif, + &sta->sta); + trace_drv_return_int(local, ret); + return ret; +} + void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed) -- cgit v1.2.3