struct rate_info txrate;
struct rate_info rxrate;
u32 rx_packets;
-@@ -4027,6 +4041,17 @@ bool cfg80211_reg_can_beacon(struct wiph
+@@ -954,6 +968,7 @@ enum monitor_flags {
+ MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
+ MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
+ MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
++ MONITOR_FLAG_ACTIVE = 1<<NL80211_MNTR_FLAG_ACTIVE,
+ };
+
+ /**
+@@ -4027,6 +4042,17 @@ bool cfg80211_reg_can_beacon(struct wiph
void cfg80211_ch_switch_notify(struct net_device *dev,
struct cfg80211_chan_def *chandef);
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
-@@ -444,7 +444,7 @@ static void sta_set_sinfo(struct sta_inf
+@@ -73,16 +73,19 @@ static int ieee80211_change_iface(struct
+ struct ieee80211_local *local = sdata->local;
+
+ if (ieee80211_sdata_running(sdata)) {
++ u32 mask = MONITOR_FLAG_COOK_FRAMES |
++ MONITOR_FLAG_ACTIVE;
++
+ /*
+- * Prohibit MONITOR_FLAG_COOK_FRAMES to be
+- * changed while the interface is up.
++ * Prohibit MONITOR_FLAG_COOK_FRAMES and
++ * MONITOR_FLAG_ACTIVE to be changed while the
++ * interface is up.
+ * Else we would need to add a lot of cruft
+ * to update everything:
+ * cooked_mntrs, monitor and all fif_* counters
+ * reconfigure hardware
+ */
+- if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
+- (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
++ if ((*flags & mask) != (sdata->u.mntr_flags & mask))
+ return -EBUSY;
+
+ ieee80211_adjust_monitor_flags(sdata, -1);
+@@ -444,7 +447,7 @@ static void sta_set_sinfo(struct sta_inf
struct ieee80211_local *local = sdata->local;
struct timespec uptime;
u64 packets = 0;
sinfo->generation = sdata->local->sta_generation;
-@@ -488,6 +488,17 @@ static void sta_set_sinfo(struct sta_inf
+@@ -488,6 +491,17 @@ static void sta_set_sinfo(struct sta_inf
sinfo->signal = (s8)sta->last_signal;
sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
sta_set_rate_info_rx(sta, &sinfo->rxrate);
-@@ -1052,6 +1063,7 @@ static int ieee80211_stop_ap(struct wiph
+@@ -1052,6 +1066,7 @@ static int ieee80211_stop_ap(struct wiph
ieee80211_free_keys(sdata);
sdata->vif.bss_conf.enable_beacon = false;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
-@@ -2416,9 +2428,22 @@ static int ieee80211_set_bitrate_mask(st
+@@ -2416,9 +2431,22 @@ static int ieee80211_set_bitrate_mask(st
}
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
-@@ -450,7 +450,6 @@ int ieee80211_do_open(struct wireless_de
+@@ -159,7 +159,8 @@ static int ieee80211_change_mtu(struct n
+ return 0;
+ }
+
+-static int ieee80211_verify_mac(struct ieee80211_local *local, u8 *addr)
++static int ieee80211_verify_mac(struct ieee80211_local *local, u8 *addr,
++ bool check_dup)
+ {
+ struct ieee80211_sub_if_data *sdata;
+ u64 new, mask, tmp;
+@@ -179,10 +180,13 @@ static int ieee80211_verify_mac(struct i
+ ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
+ ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
+
++ if (!check_dup)
++ return ret;
+
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+- if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
++ if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
++ !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
+ continue;
+
+ m = sdata->vif.addr;
+@@ -204,12 +208,17 @@ static int ieee80211_change_mac(struct n
+ {
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct sockaddr *sa = addr;
++ bool check_dup = true;
+ int ret;
+
+ if (ieee80211_sdata_running(sdata))
+ return -EBUSY;
+
+- ret = ieee80211_verify_mac(sdata->local, sa->sa_data);
++ if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
++ !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
++ check_dup = false;
++
++ ret = ieee80211_verify_mac(sdata->local, sa->sa_data, check_dup);
+ if (ret)
+ return ret;
+
+@@ -450,7 +459,6 @@ int ieee80211_do_open(struct wireless_de
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
-@@ -474,6 +473,9 @@ int ieee80211_do_open(struct wireless_de
+@@ -474,6 +482,9 @@ int ieee80211_do_open(struct wireless_de
master->control_port_protocol;
sdata->control_port_no_encrypt =
master->control_port_no_encrypt;
break;
}
case NL80211_IFTYPE_AP:
-@@ -609,30 +611,8 @@ int ieee80211_do_open(struct wireless_de
+@@ -538,7 +549,11 @@ int ieee80211_do_open(struct wireless_de
+ break;
+ }
+
+- if (local->monitors == 0 && local->open_count == 0) {
++ if (sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE) {
++ res = drv_add_interface(local, sdata);
++ if (res)
++ goto err_stop;
++ } else if (local->monitors == 0 && local->open_count == 0) {
+ res = ieee80211_add_virtual_monitor(local);
+ if (res)
+ goto err_stop;
+@@ -609,30 +624,8 @@ int ieee80211_do_open(struct wireless_de
set_bit(SDATA_STATE_RUNNING, &sdata->state);
/*
* set_multicast_list will be invoked by the networking core
-@@ -653,7 +633,11 @@ int ieee80211_do_open(struct wireless_de
+@@ -653,7 +646,11 @@ int ieee80211_do_open(struct wireless_de
ieee80211_recalc_ps(local, -1);
unsigned long flags;
int n_acs = IEEE80211_NUM_ACS;
int ac;
-@@ -1092,6 +1076,74 @@ static void ieee80211_if_setup(struct ne
+@@ -916,7 +913,11 @@ static void ieee80211_do_stop(struct iee
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+- break;
++
++ if (!(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
++ break;
++
++ /* fall through */
+ default:
+ if (going_down)
+ drv_remove_interface(local, sdata);
+@@ -1075,7 +1076,7 @@ static const struct net_device_ops ieee8
+ .ndo_start_xmit = ieee80211_monitor_start_xmit,
+ .ndo_set_rx_mode = ieee80211_set_multicast_list,
+ .ndo_change_mtu = ieee80211_change_mtu,
+- .ndo_set_mac_address = eth_mac_addr,
++ .ndo_set_mac_address = ieee80211_change_mac,
+ .ndo_select_queue = ieee80211_monitor_select_queue,
+ };
+
+@@ -1092,6 +1093,74 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -1196,6 +1248,9 @@ static void ieee80211_iface_work(struct
+@@ -1196,6 +1265,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
default:
WARN(1, "frame for unexpected interface type");
break;
-@@ -1718,6 +1773,15 @@ void ieee80211_remove_interfaces(struct
+@@ -1718,6 +1790,15 @@ void ieee80211_remove_interfaces(struct
ASSERT_RTNL();
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
return ret;
}
-@@ -660,7 +661,7 @@ void ieee80211_queue_delayed_work(struct
+@@ -559,6 +560,9 @@ void ieee80211_iterate_active_interfaces
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MONITOR:
++ if (!(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
++ continue;
++ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ continue;
+ default:
+@@ -597,6 +601,9 @@ void ieee80211_iterate_active_interfaces
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MONITOR:
++ if (!(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
++ continue;
++ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ continue;
+ default:
+@@ -660,7 +667,7 @@ void ieee80211_queue_delayed_work(struct
}
EXPORT_SYMBOL(ieee80211_queue_delayed_work);
struct ieee802_11_elems *elems,
u64 filter, u32 crc)
{
-@@ -668,6 +669,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+@@ -668,6 +675,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start
u8 *pos = start;
bool calc_crc = filter != 0;
DECLARE_BITMAP(seen_elems, 256);
bitmap_zero(seen_elems, 256);
memset(elems, 0, sizeof(*elems));
-@@ -715,6 +717,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+@@ -715,6 +723,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start
case WLAN_EID_COUNTRY:
case WLAN_EID_PWR_CONSTRAINT:
case WLAN_EID_TIMEOUT_INTERVAL:
if (test_bit(id, seen_elems)) {
elems->parse_error = true;
left -= elen;
-@@ -862,6 +870,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+@@ -862,6 +876,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start
}
elems->ch_switch_ie = (void *)pos;
break;
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
+@@ -2395,6 +2401,8 @@ enum nl80211_survey_info {
+ * @NL80211_MNTR_FLAG_OTHER_BSS: disable BSSID filtering
+ * @NL80211_MNTR_FLAG_COOK_FRAMES: report frames after processing.
+ * overrides all other flags.
++ * @NL80211_MNTR_FLAG_ACTIVE: use the configured MAC address
++ * and ACK incoming unicast packets.
+ *
+ * @__NL80211_MNTR_FLAG_AFTER_LAST: internal use
+ * @NL80211_MNTR_FLAG_MAX: highest possible monitor flag
+@@ -2406,6 +2414,7 @@ enum nl80211_mntr_flags {
+ NL80211_MNTR_FLAG_CONTROL,
+ NL80211_MNTR_FLAG_OTHER_BSS,
+ NL80211_MNTR_FLAG_COOK_FRAMES,
++ NL80211_MNTR_FLAG_ACTIVE,
+
+ /* keep last */
+ __NL80211_MNTR_FLAG_AFTER_LAST,
+@@ -3557,6 +3566,7 @@ enum nl80211_feature_flags {
+ NL80211_FEATURE_ADVERTISE_CHAN_LIMITS = 1 << 14,
+ NL80211_FEATURE_FULL_AP_CLIENT_STATE = 1 << 15,
+ NL80211_FEATURE_USERSPACE_MPM = 1 << 16,
++ NL80211_FEATURE_ACTIVE_MONITOR = 1 << 17,
+ };
+
+ /**
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -358,6 +358,8 @@ struct sta_info *sta_info_alloc(struct i
kfree(sta);
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
-@@ -3367,6 +3367,32 @@ static bool nl80211_put_sta_rate(struct
+@@ -2270,6 +2270,7 @@ static const struct nla_policy mntr_flag
+ [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
++ [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
+ };
+
+ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
+@@ -2381,6 +2382,10 @@ static int nl80211_set_interface(struct
+ change = true;
+ }
+
++ if ((*flags & NL80211_MNTR_FLAG_ACTIVE) &&
++ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
++ return -EOPNOTSUPP;
++
+ if (change)
+ err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
+ else
+@@ -2438,6 +2443,11 @@ static int nl80211_new_interface(struct
+ err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
+ info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
+ &flags);
++
++ if (!err && (flags & NL80211_MNTR_FLAG_ACTIVE) &&
++ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
++ return -EOPNOTSUPP;
++
+ wdev = rdev_add_virtual_intf(rdev,
+ nla_data(info->attrs[NL80211_ATTR_IFNAME]),
+ type, err ? NULL : &flags, ¶ms);
+@@ -3367,6 +3377,32 @@ static bool nl80211_put_sta_rate(struct
return true;
}
static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
int flags,
struct cfg80211_registered_device *rdev,
-@@ -3402,7 +3428,7 @@ static int nl80211_send_station(struct s
+@@ -3402,7 +3438,7 @@ static int nl80211_send_station(struct s
(u32)sinfo->rx_bytes))
goto nla_put_failure;
if ((sinfo->filled & (STATION_INFO_TX_BYTES |
nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
(u32)sinfo->tx_bytes))
goto nla_put_failure;
-@@ -3438,6 +3464,18 @@ static int nl80211_send_station(struct s
+@@ -3438,6 +3474,18 @@ static int nl80211_send_station(struct s
default:
break;
}
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+@@ -776,6 +777,8 @@ void ath9k_set_hw_capab(struct ath_softc
+ if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt)
+ hw->flags |= IEEE80211_HW_MFP_CAPABLE;
+
++ hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
++
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -125,24 +125,6 @@ static void ath_tx_queue_tid(struct ath_
REG_WRITE(ah, AR_DMISC(q),
AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
else
+--- a/net/mac80211/driver-ops.h
++++ b/net/mac80211/driver-ops.h
+@@ -146,7 +146,8 @@ static inline int drv_add_interface(stru
+
+ if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
+- !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))))
++ !(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF) &&
++ !(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))))
+ return -EINVAL;
+
+ trace_drv_add_interface(local, sdata);