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-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c14
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c4
-rw-r--r--include/net/cfg80211.h3
-rw-r--r--include/uapi/linux/nl80211.h4
-rw-r--r--net/mac80211/cfg.c13
-rw-r--r--net/mac80211/driver-ops.h3
-rw-r--r--net/mac80211/iface.c29
-rw-r--r--net/mac80211/tx.c5
-rw-r--r--net/mac80211/util.c6
-rw-r--r--net/wireless/nl80211.c10
10 files changed, 75 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 12337aac2947..dc50020d746d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -84,6 +84,15 @@ static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
.types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP),
},
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
+ },
};
static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
@@ -164,7 +173,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->chanctx_data_size = sizeof(u16);
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP);
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS |
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 69bbf6fdd2d3..cb34c7895f2a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2169,6 +2169,7 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = {
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
+ { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
static struct ieee80211_iface_combination hwsim_if_comb = {
@@ -2294,7 +2295,8 @@ static int __init init_mac80211_hwsim(void)
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b3b076a46d50..6dd19593e333 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -961,6 +961,7 @@ struct station_info {
* @MONITOR_FLAG_CONTROL: pass control frames
* @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
* @MONITOR_FLAG_COOK_FRAMES: report frames after processing
+ * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address
*/
enum monitor_flags {
MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
@@ -968,6 +969,7 @@ 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,
};
/**
@@ -2867,7 +2869,6 @@ struct cfg80211_cached_keys;
* @mgmt_registrations_lock: lock for the list
* @mtx: mutex used to lock data in this struct, may be used by drivers
* and some API functions require it held
- * @cleanup_work: work struct used for cleanup that can't be done directly
* @beacon_interval: beacon interval used on this device for transmitting
* beacons, 0 when not valid
* @address: The address for this device, valid only if @netdev is %NULL
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 32b060ea5266..5920715278c2 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2428,6 +2428,8 @@ 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
@@ -2439,6 +2441,7 @@ 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,
@@ -3595,6 +3598,7 @@ 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,
};
/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 232edf78d5a9..30622101d3b5 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -73,16 +73,19 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
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);
@@ -2375,7 +2378,9 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
local->dynamic_ps_forced_timeout = timeout;
/* no change, but if automatic follow powersave */
+ sdata_lock(sdata);
__ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
+ sdata_unlock(sdata);
if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 169664c122e2..b931c96a596f 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -146,7 +146,8 @@ static inline int drv_add_interface(struct ieee80211_local *local,
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);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index ceef64426a8d..7cabaf261fed 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -159,7 +159,8 @@ static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
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 ieee80211_local *local, u8 *addr)
((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 net_device *dev, void *addr)
{
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;
@@ -541,7 +550,11 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
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;
@@ -919,7 +932,11 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
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);
@@ -1068,7 +1085,7 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
.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,
};
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9972e07a2f96..34be9336b5d1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -398,13 +398,14 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
if (ieee80211_has_order(hdr->frame_control))
return TX_CONTINUE;
+ if (tx->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
+ info->hw_queue = tx->sdata->vif.cab_queue;
+
/* no stations in PS mode */
if (!atomic_read(&ps->num_sta_ps))
return TX_CONTINUE;
info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
- if (tx->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
- info->hw_queue = tx->sdata->vif.cab_queue;
/* device releases frame after DTIM beacon */
if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING))
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2a8d759324c2..89a83770d152 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -560,6 +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:
@@ -598,6 +601,9 @@ void ieee80211_iterate_active_interfaces_atomic(
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:
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fb6abcb359a1..31d265f36d2c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2227,6 +2227,7 @@ static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
[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)
@@ -2338,6 +2339,10 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
change = true;
}
+ if (flags && (*flags & NL80211_MNTR_FLAG_ACTIVE) &&
+ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
+ return -EOPNOTSUPP;
+
if (change)
err = cfg80211_change_iface(rdev, dev, ntype, flags, &params);
else
@@ -2395,6 +2400,11 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
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, &params);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 06:31:20 +0300