diff options
Diffstat (limited to 'package/mac80211/patches/523-mac80211_configure_antenna_gain.patch')
-rw-r--r-- | package/mac80211/patches/523-mac80211_configure_antenna_gain.patch | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/package/mac80211/patches/523-mac80211_configure_antenna_gain.patch b/package/mac80211/patches/523-mac80211_configure_antenna_gain.patch deleted file mode 100644 index 759812bfd7..0000000000 --- a/package/mac80211/patches/523-mac80211_configure_antenna_gain.patch +++ /dev/null @@ -1,162 +0,0 @@ ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -997,6 +997,7 @@ enum ieee80211_smps_mode { - * - * @power_level: requested transmit power (in dBm), backward compatibility - * value only that is set to the minimum of all interfaces -+ * @max_antenna_gain: maximum antenna gain adjusted by user config (in dBi) - * - * @chandef: the channel definition to tune to - * @radar_enabled: whether radar detection is enabled -@@ -1018,6 +1019,7 @@ struct ieee80211_conf { - u32 flags; - int power_level, dynamic_ps_timeout; - int max_sleep_period; -+ int max_antenna_gain; - - u16 listen_interval; - u8 ps_dtim_period; ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -1126,6 +1126,7 @@ struct ieee80211_local { - int dynamic_ps_forced_timeout; - - int user_power_level; /* in dBm, for all interfaces */ -+ int user_antenna_gain; /* in dBi */ - - enum ieee80211_smps_mode smps_mode; - ---- a/include/uapi/linux/nl80211.h -+++ b/include/uapi/linux/nl80211.h -@@ -1736,6 +1736,8 @@ enum nl80211_attrs { - - NL80211_ATTR_PEER_AID, - -+ NL80211_ATTR_WIPHY_ANTENNA_GAIN, -+ - /* add attributes here, update the policy in nl80211.c */ - - __NL80211_ATTR_AFTER_LAST, ---- a/net/wireless/nl80211.c -+++ b/net/wireless/nl80211.c -@@ -349,6 +349,7 @@ static const struct nla_policy nl80211_p - [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, -+ [NL80211_ATTR_WIPHY_ANTENNA_GAIN] = { .type = NLA_U32 }, - }; - - /* policy for the key attributes */ -@@ -1953,6 +1954,22 @@ static int nl80211_set_wiphy(struct sk_b - goto bad_res; - } - -+ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_GAIN]) { -+ int idx, dbi = 0; -+ -+ if (!rdev->ops->set_antenna_gain) { -+ result = -EOPNOTSUPP; -+ goto bad_res; -+ } -+ -+ idx = NL80211_ATTR_WIPHY_ANTENNA_GAIN; -+ dbi = nla_get_u32(info->attrs[idx]); -+ -+ result = rdev->ops->set_antenna_gain(&rdev->wiphy, dbi); -+ if (result) -+ goto bad_res; -+ } -+ - if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && - info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { - u32 tx_ant, rx_ant; ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -2283,6 +2283,19 @@ static int ieee80211_get_tx_power(struct - return 0; - } - -+static int ieee80211_set_antenna_gain(struct wiphy *wiphy, int dbi) -+{ -+ struct ieee80211_local *local = wiphy_priv(wiphy); -+ -+ if (dbi < 0) -+ return -EINVAL; -+ -+ local->user_antenna_gain = dbi; -+ ieee80211_hw_config(local, 0); -+ -+ return 0; -+} -+ - static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, - const u8 *addr) - { -@@ -3484,6 +3497,7 @@ struct cfg80211_ops mac80211_config_ops - .set_wiphy_params = ieee80211_set_wiphy_params, - .set_tx_power = ieee80211_set_tx_power, - .get_tx_power = ieee80211_get_tx_power, -+ .set_antenna_gain = ieee80211_set_antenna_gain, - .set_wds_peer = ieee80211_set_wds_peer, - .rfkill_poll = ieee80211_rfkill_poll, - CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) ---- a/include/net/cfg80211.h -+++ b/include/net/cfg80211.h -@@ -1942,6 +1942,7 @@ struct cfg80211_update_ft_ies_params { - * (as advertised by the nl80211 feature flag.) - * @get_tx_power: store the current TX power into the dbm variable; - * return 0 if successful -+ * @set_antenna_gain: set antenna gain to reduce maximum tx power if necessary - * - * @set_wds_peer: set the WDS peer for a WDS interface - * -@@ -2161,6 +2162,7 @@ struct cfg80211_ops { - enum nl80211_tx_power_setting type, int mbm); - int (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev, - int *dbm); -+ int (*set_antenna_gain)(struct wiphy *wiphy, int dbi); - - int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev, - const u8 *addr); ---- a/net/mac80211/main.c -+++ b/net/mac80211/main.c -@@ -101,7 +101,7 @@ static u32 ieee80211_hw_conf_chan(struct - struct ieee80211_sub_if_data *sdata; - struct cfg80211_chan_def chandef = {}; - u32 changed = 0; -- int power; -+ int power, ant_gain, max_power; - u32 offchannel_flag; - - offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; -@@ -165,8 +165,21 @@ static u32 ieee80211_hw_conf_chan(struct - } - rcu_read_unlock(); - -- if (local->hw.conf.power_level != power) { -+ max_power = chandef.chan->max_reg_power; -+ ant_gain = chandef.chan->max_antenna_gain; -+ if (local->user_antenna_gain > 0) { -+ if (local->user_antenna_gain > ant_gain) { -+ max_power -= local->user_antenna_gain - ant_gain; -+ ant_gain = 0; -+ } else -+ ant_gain -= local->user_antenna_gain; -+ power = min(power, max_power); -+ } -+ -+ if (local->hw.conf.power_level != power || -+ local->hw.conf.max_antenna_gain != ant_gain) { - changed |= IEEE80211_CONF_CHANGE_POWER; -+ local->hw.conf.max_antenna_gain = ant_gain; - local->hw.cur_power_level = power; - local->hw.conf.power_level = power; - } -@@ -597,6 +610,7 @@ struct ieee80211_hw *ieee80211_alloc_hw( - IEEE80211_RADIOTAP_MCS_HAVE_BW; - local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | - IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; -+ local->user_antenna_gain = 0; - local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; - local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; - local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |