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-rw-r--r--net/mac80211/cfg.c19
-rw-r--r--net/mac80211/debugfs_netdev.c4
-rw-r--r--net/mac80211/ieee80211_i.h5
-rw-r--r--net/mac80211/iface.c19
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/mesh.c19
-rw-r--r--net/mac80211/mesh.h14
-rw-r--r--net/mac80211/mesh_plink.c138
-rw-r--r--net/mac80211/mesh_sync.c2
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/scan.c95
-rw-r--r--net/mac80211/sta_info.c12
-rw-r--r--net/mac80211/tx.c2
-rw-r--r--net/mac80211/util.c9
-rw-r--r--net/wireless/nl80211.c3
15 files changed, 229 insertions, 118 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 510a745c3108..70b2af2315a6 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1005,6 +1005,9 @@ static int ieee80211_change_station(struct wiphy *wiphy,
}
if (params->vlan && params->vlan != sta->sdata->dev) {
+ bool prev_4addr = false;
+ bool new_4addr = false;
+
vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
@@ -1020,9 +1023,25 @@ static int ieee80211_change_station(struct wiphy *wiphy,
}
rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
+ new_4addr = true;
+ }
+
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ sta->sdata->u.vlan.sta) {
+ rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
+ prev_4addr = true;
}
sta->sdata = vlansdata;
+
+ if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
+ prev_4addr != new_4addr) {
+ if (new_4addr)
+ atomic_dec(&sta->sdata->bss->num_mcast_sta);
+ else
+ atomic_inc(&sta->sdata->bss->num_mcast_sta);
+ }
+
ieee80211_send_layer2_update(sta);
}
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index e7af5227e322..ea0122dbd2b3 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -394,7 +394,7 @@ static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
/* AP attributes */
-IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
+IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
@@ -540,7 +540,7 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(num_sta_authorized);
+ DEBUGFS_ADD(num_mcast_sta);
DEBUGFS_ADD(num_sta_ps);
DEBUGFS_ADD(dtim_count);
DEBUGFS_ADD(num_buffered_multicast);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index bd7a451b0849..851fb7dc893c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -282,7 +282,7 @@ struct ieee80211_if_ap {
u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
- atomic_t num_sta_authorized; /* number of authorized stations */
+ atomic_t num_mcast_sta; /* number of stations receiving multicast */
int dtim_count;
bool dtim_bc_mc;
};
@@ -803,6 +803,8 @@ struct tpt_led_trigger {
* well be on the operating channel
* @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
* determine if we are on the operating channel or not
+ * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
+ * channel. This should not interrupt normal traffic.
* @SCAN_COMPLETED: Set for our scan work function when the driver reported
* that the scan completed.
* @SCAN_ABORTED: Set for our scan work function when the driver reported
@@ -811,6 +813,7 @@ struct tpt_led_trigger {
enum {
SCAN_SW_SCANNING,
SCAN_HW_SCANNING,
+ SCAN_ONCHANNEL_SCANNING,
SCAN_COMPLETED,
SCAN_ABORTED,
};
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 23d1da376eb3..ba86978dd561 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1031,6 +1031,18 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
ieee80211_debugfs_add_netdev(sdata);
}
+static void ieee80211_clean_sdata(struct ieee80211_sub_if_data *sdata)
+{
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ mesh_path_flush_by_iface(sdata);
+ break;
+
+ default:
+ break;
+ }
+}
+
static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type)
{
@@ -1364,8 +1376,8 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_path_flush_by_iface(sdata);
+ /* clean up type-dependent data */
+ ieee80211_clean_sdata(sdata);
synchronize_rcu();
unregister_netdevice(sdata->dev);
@@ -1386,8 +1398,7 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_path_flush_by_iface(sdata);
+ ieee80211_clean_sdata(sdata);
unregister_netdevice_queue(sdata->dev, &unreg_list);
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index ac79d5e8e0d0..b70f7f09da61 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -47,7 +47,8 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
if (atomic_read(&local->iff_allmultis))
new_flags |= FIF_ALLMULTI;
- if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning))
+ if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning))
new_flags |= FIF_BCN_PRBRESP_PROMISC;
if (local->fif_probe_req || local->probe_req_reg)
@@ -148,6 +149,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
}
if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
test_bit(SCAN_HW_SCANNING, &local->scanning))
power = chan->max_power;
else
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 133c118526fb..598a96a3a051 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -64,18 +64,18 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
/**
* mesh_matches_local - check if the config of a mesh point matches ours
*
- * @ie: information elements of a management frame from the mesh peer
* @sdata: local mesh subif
- * @basic_rates: BSSBasicRateSet of the peer candidate
+ * @ie: information elements of a management frame from the mesh peer
*
* This function checks if the mesh configuration of a mesh point matches the
* local mesh configuration, i.e. if both nodes belong to the same mesh network.
*/
-bool mesh_matches_local(struct ieee802_11_elems *ie,
- struct ieee80211_sub_if_data *sdata, u32 basic_rates)
+bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *ie)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
+ u32 basic_rates = 0;
/*
* As support for each feature is added, check for matching
@@ -96,6 +96,9 @@ bool mesh_matches_local(struct ieee802_11_elems *ie,
(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
goto mismatch;
+ ieee80211_sta_get_rates(local, ie, local->oper_channel->band,
+ &basic_rates);
+
if (sdata->vif.bss_conf.basic_rates != basic_rates)
goto mismatch;
@@ -630,7 +633,6 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee802_11_elems elems;
struct ieee80211_channel *channel;
- u32 supp_rates = 0, basic_rates = 0;
size_t baselen;
int freq;
enum ieee80211_band band = rx_status->band;
@@ -661,12 +663,9 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
- supp_rates = ieee80211_sta_get_rates(local, &elems,
- band, &basic_rates);
-
if (elems.mesh_id && elems.mesh_config &&
- mesh_matches_local(&elems, sdata, basic_rates))
- mesh_neighbour_update(mgmt->sa, supp_rates, sdata, &elems);
+ mesh_matches_local(sdata, &elems))
+ mesh_neighbour_update(sdata, mgmt->sa, &elems);
if (ifmsh->sync_ops)
ifmsh->sync_ops->rx_bcn_presp(sdata,
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 4ad738988801..e3642756f8f4 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -222,8 +222,8 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
char *addr6);
int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
struct ieee80211_sub_if_data *sdata);
-bool mesh_matches_local(struct ieee802_11_elems *ie,
- struct ieee80211_sub_if_data *sdata, u32 basic_rates);
+bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *ie);
void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
void mesh_mgmt_ies_add(struct sk_buff *skb,
struct ieee80211_sub_if_data *sdata);
@@ -276,9 +276,9 @@ int mesh_path_add_gate(struct mesh_path *mpath);
int mesh_path_send_to_gates(struct mesh_path *mpath);
int mesh_gate_num(struct ieee80211_sub_if_data *sdata);
/* Mesh plinks */
-void mesh_neighbour_update(u8 *hw_addr, u32 rates,
- struct ieee80211_sub_if_data *sdata,
- struct ieee802_11_elems *ie);
+void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
+ u8 *hw_addr,
+ struct ieee802_11_elems *ie);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_broken(struct sta_info *sta);
@@ -304,7 +304,6 @@ void mesh_pathtbl_unregister(void);
int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata);
void mesh_path_timer(unsigned long data);
void mesh_path_flush_by_nexthop(struct sta_info *sta);
-void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata);
void mesh_path_discard_frame(struct sk_buff *skb,
struct ieee80211_sub_if_data *sdata);
void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata);
@@ -345,6 +344,7 @@ void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata);
void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata);
void mesh_plink_quiesce(struct sta_info *sta);
void mesh_plink_restart(struct sta_info *sta);
+void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata);
void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata);
#else
#define mesh_allocated 0
@@ -358,6 +358,8 @@ static inline void mesh_plink_quiesce(struct sta_info *sta) {}
static inline void mesh_plink_restart(struct sta_info *sta) {}
static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
{ return false; }
+static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata)
+{}
#endif
#endif /* IEEE80211S_H */
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 9c836e774fbd..1ff2a5c63e43 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -82,20 +82,14 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta)
}
/*
- * NOTE: This is just an alias for sta_info_alloc(), see notes
- * on it in the lifecycle management section!
+ * Allocate mesh sta entry and insert into station table
*/
static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
- u8 *hw_addr, u32 rates,
- struct ieee802_11_elems *elems)
+ u8 *hw_addr)
{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_supported_band *sband;
struct sta_info *sta;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
-
- if (local->num_sta >= MESH_MAX_PLINKS)
+ if (sdata->local->num_sta >= MESH_MAX_PLINKS)
return NULL;
sta = sta_info_alloc(sdata, hw_addr, GFP_KERNEL);
@@ -108,12 +102,8 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
set_sta_flag(sta, WLAN_STA_WME);
- sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- if (elems->ht_cap_elem)
- ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
- elems->ht_cap_elem,
- &sta->sta.ht_cap);
- rate_control_rate_init(sta);
+ if (sta_info_insert(sta))
+ return NULL;
return sta;
}
@@ -274,43 +264,79 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
return 0;
}
-void mesh_neighbour_update(u8 *hw_addr, u32 rates,
- struct ieee80211_sub_if_data *sdata,
- struct ieee802_11_elems *elems)
+/* mesh_peer_init - initialize new mesh peer and return resulting sta_info
+ *
+ * @sdata: local meshif
+ * @addr: peer's address
+ * @elems: IEs from beacon or mesh peering frame
+ *
+ * call under RCU
+ */
+static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata,
+ u8 *addr,
+ struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
+ enum ieee80211_band band = local->oper_channel->band;
+ struct ieee80211_supported_band *sband;
+ u32 rates, basic_rates = 0;
struct sta_info *sta;
- rcu_read_lock();
+ sband = local->hw.wiphy->bands[band];
+ rates = ieee80211_sta_get_rates(local, elems, band, &basic_rates);
- sta = sta_info_get(sdata, hw_addr);
+ sta = sta_info_get(sdata, addr);
if (!sta) {
- rcu_read_unlock();
- /* Userspace handles peer allocation when security is enabled
- * */
- if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)
- cfg80211_notify_new_peer_candidate(sdata->dev, hw_addr,
- elems->ie_start, elems->total_len,
- GFP_KERNEL);
- else
- sta = mesh_plink_alloc(sdata, hw_addr, rates, elems);
+ sta = mesh_plink_alloc(sdata, addr);
if (!sta)
- return;
- if (sta_info_insert_rcu(sta)) {
- rcu_read_unlock();
- return;
- }
+ return NULL;
}
+ spin_lock_bh(&sta->lock);
sta->last_rx = jiffies;
- sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+ sta->sta.supp_rates[band] = rates;
+ if (elems->ht_cap_elem &&
+ sdata->local->_oper_channel_type != NL80211_CHAN_NO_HT)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
+ elems->ht_cap_elem,
+ &sta->sta.ht_cap);
+ else
+ memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap));
+
+ rate_control_rate_init(sta);
+ spin_unlock_bh(&sta->lock);
+
+ return sta;
+}
+
+void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
+ u8 *hw_addr,
+ struct ieee802_11_elems *elems)
+{
+ struct sta_info *sta;
+
+ /* Userspace handles peer allocation when security is enabled */
+ if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) {
+ cfg80211_notify_new_peer_candidate(sdata->dev, hw_addr,
+ elems->ie_start,
+ elems->total_len,
+ GFP_KERNEL);
+ return;
+ }
+
+ rcu_read_lock();
+ sta = mesh_peer_init(sdata, hw_addr, elems);
+ if (!sta)
+ goto out;
+
if (mesh_peer_accepts_plinks(elems) &&
- sta->plink_state == NL80211_PLINK_LISTEN &&
- sdata->u.mesh.accepting_plinks &&
- sdata->u.mesh.mshcfg.auto_open_plinks &&
- rssi_threshold_check(sta, sdata))
+ sta->plink_state == NL80211_PLINK_LISTEN &&
+ sdata->u.mesh.accepting_plinks &&
+ sdata->u.mesh.mshcfg.auto_open_plinks &&
+ rssi_threshold_check(sta, sdata))
mesh_plink_open(sta);
+out:
rcu_read_unlock();
}
@@ -456,7 +482,6 @@ void mesh_plink_block(struct sta_info *sta)
void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt,
size_t len, struct ieee80211_rx_status *rx_status)
{
- struct ieee80211_local *local = sdata->local;
struct ieee802_11_elems elems;
struct sta_info *sta;
enum plink_event event;
@@ -465,7 +490,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
bool deactivated, matches_local = true;
u8 ie_len;
u8 *baseaddr;
- u32 rates, basic_rates = 0;
__le16 plid, llid, reason;
#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
static const char *mplstates[] = {
@@ -560,11 +584,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
/* Now we will figure out the appropriate event... */
event = PLINK_UNDEFINED;
- rates = ieee80211_sta_get_rates(local, &elems,
- rx_status->band, &basic_rates);
-
if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
- (!mesh_matches_local(&elems, sdata, basic_rates))) {
+ !mesh_matches_local(sdata, &elems)) {
matches_local = false;
switch (ftype) {
case WLAN_SP_MESH_PEERING_OPEN:
@@ -587,26 +608,13 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return;
} else if (!sta) {
/* ftype == WLAN_SP_MESH_PEERING_OPEN */
-
- rcu_read_unlock();
-
if (!mesh_plink_free_count(sdata)) {
mpl_dbg("Mesh plink error: no more free plinks\n");
- return;
- }
- sta = mesh_plink_alloc(sdata, mgmt->sa, rates, &elems);
- if (!sta) {
- mpl_dbg("Mesh plink error: plink table full\n");
- return;
- }
- if (sta_info_insert_rcu(sta)) {
rcu_read_unlock();
return;
}
event = OPN_ACPT;
- spin_lock_bh(&sta->lock);
} else if (matches_local) {
- spin_lock_bh(&sta->lock);
switch (ftype) {
case WLAN_SP_MESH_PEERING_OPEN:
if (!mesh_plink_free_count(sdata) ||
@@ -643,12 +651,19 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
break;
default:
mpl_dbg("Mesh plink: unknown frame subtype\n");
- spin_unlock_bh(&sta->lock);
rcu_read_unlock();
return;
}
- } else {
- spin_lock_bh(&sta->lock);
+ }
+
+ if (event == OPN_ACPT) {
+ /* allocate sta entry if necessary and update info */
+ sta = mesh_peer_init(sdata, mgmt->sa, &elems);
+ if (!sta) {
+ mpl_dbg("Mesh plink: failed to init peer!\n");
+ rcu_read_unlock();
+ return;
+ }
}
mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n",
@@ -656,6 +671,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
event);
reason = 0;
+ spin_lock_bh(&sta->lock);
switch (sta->plink_state) {
/* spin_unlock as soon as state is updated at each case */
case NL80211_PLINK_LISTEN:
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index ff60d6bcc631..38d30e8ce6dc 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -195,7 +195,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
spin_unlock_bh(&ifmsh->sync_offset_lock);
} else {
- sta->t_offset_setpoint = sta->t_offset;
+ sta->t_offset_setpoint = sta->t_offset - TOFFSET_SET_MARGIN;
set_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN);
msync_dbg("STA %pM : offset was invalid, "
" sta->t_offset=%lld",
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7cbb4aad0577..d5ac02fe37ff 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -426,6 +426,7 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
if (test_bit(SCAN_HW_SCANNING, &local->scanning) ||
test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
local->sched_scanning)
return ieee80211_scan_rx(rx->sdata, skb);
@@ -2917,6 +2918,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
local->dot11ReceivedFragmentCount++;
if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
test_bit(SCAN_SW_SCANNING, &local->scanning)))
status->rx_flags |= IEEE80211_RX_IN_SCAN;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 45f5aa229efd..8282284f835c 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -401,6 +401,30 @@ void ieee80211_run_deferred_scan(struct ieee80211_local *local)
round_jiffies_relative(0));
}
+static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ int i;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ enum ieee80211_band band = local->hw.conf.channel->band;
+
+ for (i = 0; i < local->scan_req->n_ssids; i++)
+ ieee80211_send_probe_req(
+ sdata, NULL,
+ local->scan_req->ssids[i].ssid,
+ local->scan_req->ssids[i].ssid_len,
+ local->scan_req->ie, local->scan_req->ie_len,
+ local->scan_req->rates[band], false,
+ local->scan_req->no_cck);
+
+ /*
+ * After sending probe requests, wait for probe responses
+ * on the channel.
+ */
+ *next_delay = IEEE80211_CHANNEL_TIME;
+ local->next_scan_state = SCAN_DECISION;
+}
+
static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
{
@@ -451,10 +475,47 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
local->scan_req = req;
local->scan_sdata = sdata;
- if (local->ops->hw_scan)
+ if (local->ops->hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
- else
+ } else if ((req->n_channels == 1) &&
+ (req->channels[0]->center_freq ==
+ local->hw.conf.channel->center_freq)) {
+
+ /* If we are scanning only on the current channel, then
+ * we do not need to stop normal activities
+ */
+ unsigned long next_delay;
+
+ __set_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);
+
+ ieee80211_recalc_idle(local);
+
+ /* Notify driver scan is starting, keep order of operations
+ * same as normal software scan, in case that matters. */
+ drv_sw_scan_start(local);
+
+ ieee80211_configure_filter(local); /* accept probe-responses */
+
+ /* We need to ensure power level is at max for scanning. */
+ ieee80211_hw_config(local, 0);
+
+ if ((req->channels[0]->flags &
+ IEEE80211_CHAN_PASSIVE_SCAN) ||
+ !local->scan_req->n_ssids) {
+ next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+ } else {
+ ieee80211_scan_state_send_probe(local, &next_delay);
+ next_delay = IEEE80211_CHANNEL_TIME;
+ }
+
+ /* Now, just wait a bit and we are all done! */
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work,
+ next_delay);
+ return 0;
+ } else {
+ /* Do normal software scan */
__set_bit(SCAN_SW_SCANNING, &local->scanning);
+ }
ieee80211_recalc_idle(local);
@@ -611,30 +672,6 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
local->next_scan_state = SCAN_SEND_PROBE;
}
-static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
- unsigned long *next_delay)
-{
- int i;
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- enum ieee80211_band band = local->hw.conf.channel->band;
-
- for (i = 0; i < local->scan_req->n_ssids; i++)
- ieee80211_send_probe_req(
- sdata, NULL,
- local->scan_req->ssids[i].ssid,
- local->scan_req->ssids[i].ssid_len,
- local->scan_req->ie, local->scan_req->ie_len,
- local->scan_req->rates[band], false,
- local->scan_req->no_cck);
-
- /*
- * After sending probe requests, wait for probe responses
- * on the channel.
- */
- *next_delay = IEEE80211_CHANNEL_TIME;
- local->next_scan_state = SCAN_DECISION;
-}
-
static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
unsigned long *next_delay)
{
@@ -685,6 +722,12 @@ void ieee80211_scan_work(struct work_struct *work)
sdata = local->scan_sdata;
+ /* When scanning on-channel, the first-callback means completed. */
+ if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) {
+ aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning);
+ goto out_complete;
+ }
+
if (test_and_clear_bit(SCAN_COMPLETED, &local->scanning)) {
aborted = test_and_clear_bit(SCAN_ABORTED, &local->scanning);
goto out_complete;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 7fd7ac48f893..97a9d6639fb9 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1417,15 +1417,19 @@ int sta_info_move_state(struct sta_info *sta,
if (sta->sta_state == IEEE80211_STA_AUTH) {
set_bit(WLAN_STA_ASSOC, &sta->_flags);
} else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
- if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
- atomic_dec(&sta->sdata->u.ap.num_sta_authorized);
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
+ (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ !sta->sdata->u.vlan.sta))
+ atomic_dec(&sta->sdata->bss->num_mcast_sta);
clear_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
}
break;
case IEEE80211_STA_AUTHORIZED:
if (sta->sta_state == IEEE80211_STA_ASSOC) {
- if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
- atomic_inc(&sta->sdata->u.ap.num_sta_authorized);
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
+ (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ !sta->sdata->u.vlan.sta))
+ atomic_inc(&sta->sdata->bss->num_mcast_sta);
set_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
}
break;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 0abbef952c14..44001c7e0e58 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -306,7 +306,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
}
} else if (unlikely(tx->sdata->vif.type == NL80211_IFTYPE_AP &&
ieee80211_is_data(hdr->frame_control) &&
- !atomic_read(&tx->sdata->u.ap.num_sta_authorized))) {
+ !atomic_read(&tx->sdata->u.ap.num_mcast_sta))) {
/*
* No associated STAs - no need to send multicast
* frames.
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 89c1e5b9ba94..d9a747d387f0 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1684,7 +1684,9 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
break;
}
- if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
+ channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20)
ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
/*
@@ -1799,5 +1801,10 @@ int ieee80211_ave_rssi(struct ieee80211_vif *vif)
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) {
+ /* non-managed type inferfaces */
+ return 0;
+ }
return ifmgd->ave_beacon_signal;
}
+EXPORT_SYMBOL_GPL(ieee80211_ave_rssi);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 83d71d6b63a4..d5005c59c472 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5656,6 +5656,9 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
sband,
nla_data(tb[NL80211_TXRATE_LEGACY]),
nla_len(tb[NL80211_TXRATE_LEGACY]));
+ if ((mask.control[band].legacy == 0) &&
+ nla_len(tb[NL80211_TXRATE_LEGACY]))
+ return -EINVAL;
}
if (tb[NL80211_TXRATE_MCS]) {
if (!ht_rateset_to_mask(
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.