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-rw-r--r--net/wireless/core.c106
-rw-r--r--net/wireless/core.h33
-rw-r--r--net/wireless/lib80211_crypt_wep.c3
-rw-r--r--net/wireless/mesh.c23
-rw-r--r--net/wireless/mlme.c19
-rw-r--r--net/wireless/nl80211.c790
-rw-r--r--net/wireless/nl80211.h11
-rw-r--r--net/wireless/reg.c74
-rw-r--r--net/wireless/scan.c77
-rw-r--r--net/wireless/sysfs.c2
-rw-r--r--net/wireless/util.c126
11 files changed, 1191 insertions, 73 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index fe01de29bfe8..c22ef3492ee6 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -46,6 +46,11 @@ static struct dentry *ieee80211_debugfs_dir;
/* for the cleanup, scan and event works */
struct workqueue_struct *cfg80211_wq;
+static bool cfg80211_disable_40mhz_24ghz;
+module_param(cfg80211_disable_40mhz_24ghz, bool, 0644);
+MODULE_PARM_DESC(cfg80211_disable_40mhz_24ghz,
+ "Disable 40MHz support in the 2.4GHz band");
+
/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
@@ -365,7 +370,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
-
+ INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results);
#ifdef CONFIG_CFG80211_WEXT
rdev->wiphy.wext = &cfg80211_wext_handler;
#endif
@@ -411,6 +416,67 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
}
EXPORT_SYMBOL(wiphy_new);
+static int wiphy_verify_combinations(struct wiphy *wiphy)
+{
+ const struct ieee80211_iface_combination *c;
+ int i, j;
+
+ /* If we have combinations enforce them */
+ if (wiphy->n_iface_combinations)
+ wiphy->flags |= WIPHY_FLAG_ENFORCE_COMBINATIONS;
+
+ for (i = 0; i < wiphy->n_iface_combinations; i++) {
+ u32 cnt = 0;
+ u16 all_iftypes = 0;
+
+ c = &wiphy->iface_combinations[i];
+
+ /* Combinations with just one interface aren't real */
+ if (WARN_ON(c->max_interfaces < 2))
+ return -EINVAL;
+
+ /* Need at least one channel */
+ if (WARN_ON(!c->num_different_channels))
+ return -EINVAL;
+
+ if (WARN_ON(!c->n_limits))
+ return -EINVAL;
+
+ for (j = 0; j < c->n_limits; j++) {
+ u16 types = c->limits[j].types;
+
+ /*
+ * interface types shouldn't overlap, this is
+ * used in cfg80211_can_change_interface()
+ */
+ if (WARN_ON(types & all_iftypes))
+ return -EINVAL;
+ all_iftypes |= types;
+
+ if (WARN_ON(!c->limits[j].max))
+ return -EINVAL;
+
+ /* Shouldn't list software iftypes in combinations! */
+ if (WARN_ON(wiphy->software_iftypes & types))
+ return -EINVAL;
+
+ cnt += c->limits[j].max;
+ /*
+ * Don't advertise an unsupported type
+ * in a combination.
+ */
+ if (WARN_ON((wiphy->interface_modes & types) != types))
+ return -EINVAL;
+ }
+
+ /* You can't even choose that many! */
+ if (WARN_ON(cnt < c->max_interfaces))
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int wiphy_register(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
@@ -439,6 +505,10 @@ int wiphy_register(struct wiphy *wiphy)
if (WARN_ON(ifmodes != wiphy->interface_modes))
wiphy->interface_modes = ifmodes;
+ res = wiphy_verify_combinations(wiphy);
+ if (res)
+ return res;
+
/* sanity check supported bands/channels */
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
sband = wiphy->bands[band];
@@ -451,6 +521,18 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
/*
+ * Since cfg80211_disable_40mhz_24ghz is global, we can
+ * modify the sband's ht data even if the driver uses a
+ * global structure for that.
+ */
+ if (cfg80211_disable_40mhz_24ghz &&
+ band == IEEE80211_BAND_2GHZ &&
+ sband->ht_cap.ht_supported) {
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
+ }
+
+ /*
* Since we use a u32 for rate bitmaps in
* ieee80211_get_response_rate, we cannot
* have more than 32 legacy rates.
@@ -476,6 +558,13 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
}
+ if (rdev->wiphy.wowlan.n_patterns) {
+ if (WARN_ON(!rdev->wiphy.wowlan.pattern_min_len ||
+ rdev->wiphy.wowlan.pattern_min_len >
+ rdev->wiphy.wowlan.pattern_max_len))
+ return -EINVAL;
+ }
+
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
@@ -614,6 +703,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
mutex_destroy(&rdev->devlist_mtx);
list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
cfg80211_put_bss(&scan->pub);
+ cfg80211_rdev_free_wowlan(rdev);
kfree(rdev);
}
@@ -647,6 +737,11 @@ static void wdev_cleanup_work(struct work_struct *work)
___cfg80211_scan_done(rdev, true);
}
+ if (WARN_ON(rdev->sched_scan_req &&
+ rdev->sched_scan_req->dev == wdev->netdev)) {
+ __cfg80211_stop_sched_scan(rdev, false);
+ }
+
cfg80211_unlock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
@@ -668,6 +763,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
struct net_device *dev = ndev;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev;
+ int ret;
if (!wdev)
return NOTIFY_DONE;
@@ -734,6 +830,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
+ cfg80211_lock_rdev(rdev);
+ __cfg80211_stop_sched_scan(rdev, false);
+ cfg80211_unlock_rdev(rdev);
+
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.ie);
@@ -752,6 +852,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
default:
break;
}
+ wdev->beacon_interval = 0;
break;
case NETDEV_DOWN:
dev_hold(dev);
@@ -858,6 +959,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
return notifier_from_errno(-EOPNOTSUPP);
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
+ ret = cfg80211_can_add_interface(rdev, wdev->iftype);
+ if (ret)
+ return notifier_from_errno(ret);
break;
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 26a0a084e16b..bf0fb40e3c8b 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -60,8 +60,10 @@ struct cfg80211_registered_device {
struct rb_root bss_tree;
u32 bss_generation;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
+ struct cfg80211_sched_scan_request *sched_scan_req;
unsigned long suspend_at;
struct work_struct scan_done_wk;
+ struct work_struct sched_scan_results_wk;
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
@@ -70,6 +72,8 @@ struct cfg80211_registered_device {
struct work_struct conn_work;
struct work_struct event_work;
+ struct cfg80211_wowlan *wowlan;
+
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
@@ -89,6 +93,18 @@ bool wiphy_idx_valid(int wiphy_idx)
return wiphy_idx >= 0;
}
+static inline void
+cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
+{
+ int i;
+
+ if (!rdev->wowlan)
+ return;
+ for (i = 0; i < rdev->wowlan->n_patterns; i++)
+ kfree(rdev->wowlan->patterns[i].mask);
+ kfree(rdev->wowlan->patterns);
+ kfree(rdev->wowlan);
+}
extern struct workqueue_struct *cfg80211_wq;
extern struct mutex cfg80211_mutex;
@@ -397,12 +413,26 @@ void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
void cfg80211_sme_disassoc(struct net_device *dev, int idx);
void __cfg80211_scan_done(struct work_struct *wk);
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
+void __cfg80211_sched_scan_results(struct work_struct *wk);
+int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
+ bool driver_initiated);
void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
struct net_device *dev, enum nl80211_iftype ntype,
u32 *flags, struct vif_params *params);
void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
+int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ enum nl80211_iftype iftype);
+
+static inline int
+cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
+ enum nl80211_iftype iftype)
+{
+ return cfg80211_can_change_interface(rdev, NULL, iftype);
+}
+
struct ieee80211_channel *
rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
int freq, enum nl80211_channel_type channel_type);
@@ -412,6 +442,9 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
u16 cfg80211_calculate_bitrate(struct rate_info *rate);
+int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
+ u32 beacon_int);
+
#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
#else
diff --git a/net/wireless/lib80211_crypt_wep.c b/net/wireless/lib80211_crypt_wep.c
index e2e88878ba35..2f265e033ae2 100644
--- a/net/wireless/lib80211_crypt_wep.c
+++ b/net/wireless/lib80211_crypt_wep.c
@@ -96,13 +96,12 @@ static int lib80211_wep_build_iv(struct sk_buff *skb, int hdr_len,
u8 *key, int keylen, void *priv)
{
struct lib80211_wep_data *wep = priv;
- u32 klen, len;
+ u32 klen;
u8 *pos;
if (skb_headroom(skb) < 4 || skb->len < hdr_len)
return -1;
- len = skb->len - hdr_len;
pos = skb_push(skb, 4);
memmove(pos, pos + 4, hdr_len);
pos += hdr_len;
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 73e39c171ffb..5c116083eeca 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,5 +1,6 @@
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
+#include "nl80211.h"
#include "core.h"
/* Default values, timeouts in ms */
@@ -53,8 +54,9 @@ const struct mesh_config default_mesh_config = {
const struct mesh_setup default_mesh_setup = {
.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
- .vendor_ie = NULL,
- .vendor_ie_len = 0,
+ .ie = NULL,
+ .ie_len = 0,
+ .is_secure = false,
};
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
@@ -72,6 +74,10 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
+ setup->is_secure)
+ return -EOPNOTSUPP;
+
if (wdev->mesh_id_len)
return -EALREADY;
@@ -105,6 +111,19 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
return err;
}
+void cfg80211_notify_new_peer_candidate(struct net_device *dev,
+ const u8 *macaddr, const u8* ie, u8 ie_len, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
+ return;
+
+ nl80211_send_new_peer_candidate(wiphy_to_dev(wdev->wiphy), dev,
+ macaddr, ie, ie_len, gfp);
+}
+EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
+
static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index aa5df8865ff7..493b939970cd 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -770,6 +770,15 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
}
EXPORT_SYMBOL(cfg80211_new_sta);
+void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
+{
+ struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_del_sta);
+
struct cfg80211_mgmt_registration {
struct list_head list;
@@ -954,6 +963,16 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
err = -EINVAL;
break;
+ case NL80211_IFTYPE_MESH_POINT:
+ if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
+ err = -EINVAL;
+ break;
+ }
+ /*
+ * check for mesh DA must be done by driver as
+ * cfg80211 doesn't track the stations
+ */
+ break;
default:
err = -EOPNOTSUPP;
break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4ebce4284e9d..2222ce08ee91 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -124,6 +124,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
[NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
.len = NL80211_HT_CAPABILITY_LEN },
@@ -172,6 +173,9 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
[NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
[NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
+ [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
};
/* policy for the key attributes */
@@ -193,6 +197,15 @@ nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
[NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
};
+/* policy for WoWLAN attributes */
+static const struct nla_policy
+nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
+ [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
+};
+
/* ifidx get helper */
static int nl80211_get_ifidx(struct netlink_callback *cb)
{
@@ -533,6 +546,7 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_MESH_POINT:
break;
case NL80211_IFTYPE_ADHOC:
if (!wdev->current_bss)
@@ -550,6 +564,88 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
return 0;
}
+static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
+{
+ struct nlattr *nl_modes = nla_nest_start(msg, attr);
+ int i;
+
+ if (!nl_modes)
+ goto nla_put_failure;
+
+ i = 0;
+ while (ifmodes) {
+ if (ifmodes & 1)
+ NLA_PUT_FLAG(msg, i);
+ ifmodes >>= 1;
+ i++;
+ }
+
+ nla_nest_end(msg, nl_modes);
+ return 0;
+
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_put_iface_combinations(struct wiphy *wiphy,
+ struct sk_buff *msg)
+{
+ struct nlattr *nl_combis;
+ int i, j;
+
+ nl_combis = nla_nest_start(msg,
+ NL80211_ATTR_INTERFACE_COMBINATIONS);
+ if (!nl_combis)
+ goto nla_put_failure;
+
+ for (i = 0; i < wiphy->n_iface_combinations; i++) {
+ const struct ieee80211_iface_combination *c;
+ struct nlattr *nl_combi, *nl_limits;
+
+ c = &wiphy->iface_combinations[i];
+
+ nl_combi = nla_nest_start(msg, i + 1);
+ if (!nl_combi)
+ goto nla_put_failure;
+
+ nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
+ if (!nl_limits)
+ goto nla_put_failure;
+
+ for (j = 0; j < c->n_limits; j++) {
+ struct nlattr *nl_limit;
+
+ nl_limit = nla_nest_start(msg, j + 1);
+ if (!nl_limit)
+ goto nla_put_failure;
+ NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX,
+ c->limits[j].max);
+ if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
+ c->limits[j].types))
+ goto nla_put_failure;
+ nla_nest_end(msg, nl_limit);
+ }
+
+ nla_nest_end(msg, nl_limits);
+
+ if (c->beacon_int_infra_match)
+ NLA_PUT_FLAG(msg,
+ NL80211_IFACE_COMB_STA_AP_BI_MATCH);
+ NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
+ c->num_different_channels);
+ NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM,
+ c->max_interfaces);
+
+ nla_nest_end(msg, nl_combi);
+ }
+
+ nla_nest_end(msg, nl_combis);
+
+ return 0;
+nla_put_failure:
+ return -ENOBUFS;
+}
+
static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *dev)
{
@@ -557,13 +653,11 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct nlattr *nl_bands, *nl_band;
struct nlattr *nl_freqs, *nl_freq;
struct nlattr *nl_rates, *nl_rate;
- struct nlattr *nl_modes;
struct nlattr *nl_cmds;
enum ieee80211_band band;
struct ieee80211_channel *chan;
struct ieee80211_rate *rate;
int i;
- u16 ifmodes = dev->wiphy.interface_modes;
const struct ieee80211_txrx_stypes *mgmt_stypes =
dev->wiphy.mgmt_stypes;
@@ -594,6 +688,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
+ if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH);
NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
sizeof(u32) * dev->wiphy.n_cipher_suites,
@@ -621,20 +717,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
}
}
- nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
- if (!nl_modes)
+ if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
+ dev->wiphy.interface_modes))
goto nla_put_failure;
- i = 0;
- while (ifmodes) {
- if (ifmodes & 1)
- NLA_PUT_FLAG(msg, i);
- ifmodes >>= 1;
- i++;
- }
-
- nla_nest_end(msg, nl_modes);
-
nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
if (!nl_bands)
goto nla_put_failure;
@@ -746,6 +832,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
}
CMD(set_channel, SET_CHANNEL);
CMD(set_wds_peer, SET_WDS_PEER);
+ if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
+ CMD(sched_scan_start, START_SCHED_SCAN);
#undef CMD
@@ -818,6 +906,42 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
nla_nest_end(msg, nl_ifs);
}
+ if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
+ struct nlattr *nl_wowlan;
+
+ nl_wowlan = nla_nest_start(msg,
+ NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
+ if (!nl_wowlan)
+ goto nla_put_failure;
+
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (dev->wiphy.wowlan.n_patterns) {
+ struct nl80211_wowlan_pattern_support pat = {
+ .max_patterns = dev->wiphy.wowlan.n_patterns,
+ .min_pattern_len =
+ dev->wiphy.wowlan.pattern_min_len,
+ .max_pattern_len =
+ dev->wiphy.wowlan.pattern_max_len,
+ };
+ NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
+ sizeof(pat), &pat);
+ }
+
+ nla_nest_end(msg, nl_wowlan);
+ }
+
+ if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
+ dev->wiphy.software_iftypes))
+ goto nla_put_failure;
+
+ if (nl80211_put_iface_combinations(&dev->wiphy, msg))
+ goto nla_put_failure;
+
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -1679,14 +1803,6 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out;
- if (!(rdev->wiphy.flags &
- WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS)) {
- if (!key.def_uni || !key.def_multi) {
- err = -EOPNOTSUPP;
- goto out;
- }
- }
-
err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx,
key.def_uni, key.def_multi);
@@ -1837,8 +1953,9 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
struct beacon_parameters *info);
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
struct beacon_parameters params;
- int haveinfo = 0;
+ int haveinfo = 0, err;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]))
return -EINVAL;
@@ -1847,6 +1964,8 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
+ memset(&params, 0, sizeof(params));
+
switch (info->genlhdr->cmd) {
case NL80211_CMD_NEW_BEACON:
/* these are required for NEW_BEACON */
@@ -1855,6 +1974,15 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
!info->attrs[NL80211_ATTR_BEACON_HEAD])
return -EINVAL;
+ params.interval =
+ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
+ params.dtim_period =
+ nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
+
+ err = cfg80211_validate_beacon_int(rdev, params.interval);
+ if (err)
+ return err;
+
call = rdev->ops->add_beacon;
break;
case NL80211_CMD_SET_BEACON:
@@ -1868,20 +1996,6 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
if (!call)
return -EOPNOTSUPP;
- memset(&params, 0, sizeof(params));
-
- if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
- params.interval =
- nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
- haveinfo = 1;
- }
-
- if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
- params.dtim_period =
- nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
- haveinfo = 1;
- }
-
if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
params.head_len =
@@ -1899,13 +2013,18 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
if (!haveinfo)
return -EINVAL;
- return call(&rdev->wiphy, dev, &params);
+ err = call(&rdev->wiphy, dev, &params);
+ if (!err && params.interval)
+ wdev->beacon_interval = params.interval;
+ return err;
}
static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
if (!rdev->ops->del_beacon)
return -EOPNOTSUPP;
@@ -1914,7 +2033,10 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- return rdev->ops->del_beacon(&rdev->wiphy, dev);
+ err = rdev->ops->del_beacon(&rdev->wiphy, dev);
+ if (!err)
+ wdev->beacon_interval = 0;
+ return err;
}
static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
@@ -1922,6 +2044,7 @@ static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
[NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
[NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
[NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
};
static int parse_station_flags(struct genl_info *info,
@@ -2002,7 +2125,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
- struct nlattr *sinfoattr;
+ struct nlattr *sinfoattr, *bss_param;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
if (!hdr)
@@ -2016,6 +2139,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
if (!sinfoattr)
goto nla_put_failure;
+ if (sinfo->filled & STATION_INFO_CONNECTED_TIME)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME,
+ sinfo->connected_time);
if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
sinfo->inactive_time);
@@ -2062,6 +2188,25 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
if (sinfo->filled & STATION_INFO_TX_FAILED)
NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed);
+ if (sinfo->filled & STATION_INFO_BSS_PARAM) {
+ bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
+ if (!bss_param)
+ goto nla_put_failure;
+
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
+ NLA_PUT_FLAG(msg,
+ NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
+ NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
+ sinfo->bss_param.dtim_period);
+ NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
+ sinfo->bss_param.beacon_interval);
+
+ nla_nest_end(msg, bss_param);
+ }
nla_nest_end(msg, sinfoattr);
return genlmsg_end(msg, hdr);
@@ -2190,6 +2335,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
memset(&params, 0, sizeof(params));
params.listen_interval = -1;
+ params.plink_state = -1;
if (info->attrs[NL80211_ATTR_STA_AID])
return -EINVAL;
@@ -2221,6 +2367,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+ if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
+ params.plink_state =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
+
err = get_vlan(info, rdev, &params.vlan);
if (err)
goto out;
@@ -2260,9 +2410,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
err = -EINVAL;
if (params.listen_interval >= 0)
err = -EINVAL;
- if (params.supported_rates)
- err = -EINVAL;
- if (params.sta_flags_mask)
+ if (params.sta_flags_mask &
+ ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_MFP) |
+ BIT(NL80211_STA_FLAG_AUTHORIZED)))
err = -EINVAL;
break;
default:
@@ -2324,11 +2475,16 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+ if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
+ params.plink_action =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+
if (parse_station_flags(info, &params))
return -EINVAL;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
@@ -2804,8 +2960,10 @@ static const struct nla_policy
nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
- [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE] = { .type = NLA_BINARY,
+ [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
};
static int nl80211_parse_mesh_config(struct genl_info *info,
@@ -2906,14 +3064,17 @@ static int nl80211_parse_mesh_setup(struct genl_info *info,
IEEE80211_PATH_METRIC_VENDOR :
IEEE80211_PATH_METRIC_AIRTIME;
- if (tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]) {
+
+ if (tb[NL80211_MESH_SETUP_IE]) {
struct nlattr *ieattr =
- tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE];
+ tb[NL80211_MESH_SETUP_IE];
if (!is_valid_ie_attr(ieattr))
return -EINVAL;
- setup->vendor_ie = nla_data(ieattr);
- setup->vendor_ie_len = nla_len(ieattr);
+ setup->ie = nla_data(ieattr);
+ setup->ie_len = nla_len(ieattr);
}
+ setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
+ setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
return 0;
}
@@ -3282,6 +3443,188 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_start_sched_scan(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_sched_scan_request *request;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_ssid *ssid;
+ struct ieee80211_channel *channel;
+ struct nlattr *attr;
+ struct wiphy *wiphy;
+ int err, tmp, n_ssids = 0, n_channels, i;
+ u32 interval;
+ enum ieee80211_band band;
+ size_t ie_len;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
+ !rdev->ops->sched_scan_start)
+ return -EOPNOTSUPP;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (rdev->sched_scan_req)
+ return -EINPROGRESS;
+
+ if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return -EINVAL;
+
+ interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
+ if (interval == 0)
+ return -EINVAL;
+
+ wiphy = &rdev->wiphy;
+
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ n_channels = validate_scan_freqs(
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
+ if (!n_channels)
+ return -EINVAL;
+ } else {
+ n_channels = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+ if (wiphy->bands[band])
+ n_channels += wiphy->bands[band]->n_channels;
+ }
+
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ tmp)
+ n_ssids++;
+
+ if (n_ssids > wiphy->max_scan_ssids)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_IE])
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ else
+ ie_len = 0;
+
+ if (ie_len > wiphy->max_scan_ie_len)
+ return -EINVAL;
+
+ request = kzalloc(sizeof(*request)
+ + sizeof(*ssid) * n_ssids
+ + sizeof(channel) * n_channels
+ + ie_len, GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ if (n_ssids)
+ request->ssids = (void *)&request->channels[n_channels];
+ request->n_ssids = n_ssids;
+ if (ie_len) {
+ if (request->ssids)
+ request->ie = (void *)(request->ssids + n_ssids);
+ else
+ request->ie = (void *)(request->channels + n_channels);
+ }
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ /* user specified, bail out if channel not found */
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
+ tmp) {
+ struct ieee80211_channel *chan;
+
+ chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+
+ if (!chan) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ /* ignore disabled channels */
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ } else {
+ /* all channels */
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ int j;
+ if (!wiphy->bands[band])
+ continue;
+ for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
+ struct ieee80211_channel *chan;
+
+ chan = &wiphy->bands[band]->channels[j];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ }
+ }
+
+ if (!i) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ request->n_channels = i;
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ tmp) {
+ if (request->ssids[i].ssid_len >
+ IEEE80211_MAX_SSID_LEN) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ memcpy(request->ssids[i].ssid, nla_data(attr),
+ nla_len(attr));
+ request->ssids[i].ssid_len = nla_len(attr);
+ i++;
+ }
+ }
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ memcpy((void *)request->ie,
+ nla_data(info->attrs[NL80211_ATTR_IE]),
+ request->ie_len);
+ }
+
+ request->dev = dev;
+ request->wiphy = &rdev->wiphy;
+ request->interval = interval;
+
+ err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request);
+ if (!err) {
+ rdev->sched_scan_req = request;
+ nl80211_send_sched_scan(rdev, dev,
+ NL80211_CMD_START_SCHED_SCAN);
+ goto out;
+ }
+
+out_free:
+ kfree(request);
+out:
+ return err;
+}
+
+static int nl80211_stop_sched_scan(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
+ !rdev->ops->sched_scan_stop)
+ return -EOPNOTSUPP;
+
+ return __cfg80211_stop_sched_scan(rdev, false);
+}
+
static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
@@ -4780,6 +5123,194 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
return cfg80211_leave_mesh(rdev, dev);
}
+static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct sk_buff *msg;
+ void *hdr;
+
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_WOWLAN);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (rdev->wowlan) {
+ struct nlattr *nl_wowlan;
+
+ nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
+ if (!nl_wowlan)
+ goto nla_put_failure;
+
+ if (rdev->wowlan->any)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+ if (rdev->wowlan->disconnect)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+ if (rdev->wowlan->magic_pkt)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (rdev->wowlan->n_patterns) {
+ struct nlattr *nl_pats, *nl_pat;
+ int i, pat_len;
+
+ nl_pats = nla_nest_start(msg,
+ NL80211_WOWLAN_TRIG_PKT_PATTERN);
+ if (!nl_pats)
+ goto nla_put_failure;
+
+ for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+ nl_pat = nla_nest_start(msg, i + 1);
+ if (!nl_pat)
+ goto nla_put_failure;
+ pat_len = rdev->wowlan->patterns[i].pattern_len;
+ NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK,
+ DIV_ROUND_UP(pat_len, 8),
+ rdev->wowlan->patterns[i].mask);
+ NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
+ pat_len,
+ rdev->wowlan->patterns[i].pattern);
+ nla_nest_end(msg, nl_pat);
+ }
+ nla_nest_end(msg, nl_pats);
+ }
+
+ nla_nest_end(msg, nl_wowlan);
+ }
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
+ struct cfg80211_wowlan no_triggers = {};
+ struct cfg80211_wowlan new_triggers = {};
+ struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
+ int err, i;
+
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
+ goto no_triggers;
+
+ err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
+ nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+ nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+ nl80211_wowlan_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_WOWLAN_TRIG_ANY]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
+ return -EINVAL;
+ new_triggers.any = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
+ return -EINVAL;
+ new_triggers.disconnect = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
+ return -EINVAL;
+ new_triggers.magic_pkt = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
+ struct nlattr *pat;
+ int n_patterns = 0;
+ int rem, pat_len, mask_len;
+ struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
+
+ nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+ rem)
+ n_patterns++;
+ if (n_patterns > wowlan->n_patterns)
+ return -EINVAL;
+
+ new_triggers.patterns = kcalloc(n_patterns,
+ sizeof(new_triggers.patterns[0]),
+ GFP_KERNEL);
+ if (!new_triggers.patterns)
+ return -ENOMEM;
+
+ new_triggers.n_patterns = n_patterns;
+ i = 0;
+
+ nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+ rem) {
+ nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
+ nla_data(pat), nla_len(pat), NULL);
+ err = -EINVAL;
+ if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
+ !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
+ goto error;
+ pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
+ mask_len = DIV_ROUND_UP(pat_len, 8);
+ if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
+ mask_len)
+ goto error;
+ if (pat_len > wowlan->pattern_max_len ||
+ pat_len < wowlan->pattern_min_len)
+ goto error;
+
+ new_triggers.patterns[i].mask =
+ kmalloc(mask_len + pat_len, GFP_KERNEL);
+ if (!new_triggers.patterns[i].mask) {
+ err = -ENOMEM;
+ goto error;
+ }
+ new_triggers.patterns[i].pattern =
+ new_triggers.patterns[i].mask + mask_len;
+ memcpy(new_triggers.patterns[i].mask,
+ nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
+ mask_len);
+ new_triggers.patterns[i].pattern_len = pat_len;
+ memcpy(new_triggers.patterns[i].pattern,
+ nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
+ pat_len);
+ i++;
+ }
+ }
+
+ if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
+ struct cfg80211_wowlan *ntrig;
+ ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
+ GFP_KERNEL);
+ if (!ntrig) {
+ err = -ENOMEM;
+ goto error;
+ }
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = ntrig;
+ } else {
+ no_triggers:
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = NULL;
+ }
+
+ return 0;
+ error:
+ for (i = 0; i < new_triggers.n_patterns; i++)
+ kfree(new_triggers.patterns[i].mask);
+ kfree(new_triggers.patterns);
+ return err;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -5064,6 +5595,22 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_scan,
},
{
+ .cmd = NL80211_CMD_START_SCHED_SCAN,
+ .doit = nl80211_start_sched_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_STOP_SCHED_SCAN,
+ .doit = nl80211_stop_sched_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
.cmd = NL80211_CMD_AUTHENTICATE,
.doit = nl80211_authenticate,
.policy = nl80211_policy,
@@ -5278,6 +5825,22 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_GET_WOWLAN,
+ .doit = nl80211_get_wowlan,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WOWLAN,
+ .doit = nl80211_set_wowlan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -5373,6 +5936,28 @@ static int nl80211_send_scan_msg(struct sk_buff *msg,
return -EMSGSIZE;
}
+static int
+nl80211_send_sched_scan_msg(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ u32 pid, u32 seq, int flags, u32 cmd)
+{
+ void *hdr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
struct net_device *netdev)
{
@@ -5430,6 +6015,43 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
nl80211_scan_mcgrp.id, GFP_KERNEL);
}
+void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 cmd)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
/*
* This can happen on global regulatory changes or device specific settings
* based on custom world regulatory domains.
@@ -5785,6 +6407,44 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *macaddr, const u8* ie, u8 ie_len,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr);
+ if (ie_len && ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
enum nl80211_key_type key_type, int key_id,
@@ -5966,6 +6626,40 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
nl80211_mlme_mcgrp.id, gfp);
}
+void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 nlpid,
int freq, const u8 *buf, size_t len, gfp_t gfp)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index e3f7fa886966..2f1bfb87a651 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -12,6 +12,10 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
+void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 cmd);
+void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev);
void nl80211_send_reg_change_event(struct regulatory_request *request);
void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
@@ -50,6 +54,10 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
const u8 *ie, size_t ie_len, bool from_ap);
+void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *macaddr, const u8* ie, u8 ie_len,
+ gfp_t gfp);
void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
@@ -79,6 +87,9 @@ void nl80211_send_remain_on_channel_cancel(
void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *mac_addr,
struct station_info *sinfo, gfp_t gfp);
+void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ gfp_t gfp);
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 nlpid, int freq,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ab801a1097b2..1ad0f39fe091 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -106,6 +106,9 @@ struct reg_beacon {
static void reg_todo(struct work_struct *work);
static DECLARE_WORK(reg_work, reg_todo);
+static void reg_timeout_work(struct work_struct *work);
+static DECLARE_DELAYED_WORK(reg_timeout, reg_timeout_work);
+
/* We keep a static world regulatory domain in case of the absence of CRDA */
static const struct ieee80211_regdomain world_regdom = {
.n_reg_rules = 5,
@@ -669,11 +672,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy,
for (i = 0; i < regd->n_reg_rules; i++) {
const struct ieee80211_reg_rule *rr;
const struct ieee80211_freq_range *fr = NULL;
- const struct ieee80211_power_rule *pr = NULL;
rr = &regd->reg_rules[i];
fr = &rr->freq_range;
- pr = &rr->power_rule;
/*
* We only need to know if one frequency rule was
@@ -1330,6 +1331,9 @@ static void reg_set_request_processed(void)
need_more_processing = true;
spin_unlock(&reg_requests_lock);
+ if (last_request->initiator == NL80211_REGDOM_SET_BY_USER)
+ cancel_delayed_work_sync(&reg_timeout);
+
if (need_more_processing)
schedule_work(&reg_work);
}
@@ -1440,8 +1444,18 @@ static void reg_process_hint(struct regulatory_request *reg_request)
r = __regulatory_hint(wiphy, reg_request);
/* This is required so that the orig_* parameters are saved */
if (r == -EALREADY && wiphy &&
- wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
+ wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
wiphy_update_regulatory(wiphy, initiator);
+ return;
+ }
+
+ /*
+ * We only time out user hints, given that they should be the only
+ * source of bogus requests.
+ */
+ if (r != -EALREADY &&
+ reg_request->initiator == NL80211_REGDOM_SET_BY_USER)
+ schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
}
/*
@@ -1744,6 +1758,8 @@ static void restore_regulatory_settings(bool reset_user)
{
char alpha2[2];
struct reg_beacon *reg_beacon, *btmp;
+ struct regulatory_request *reg_request, *tmp;
+ LIST_HEAD(tmp_reg_req_list);
mutex_lock(&cfg80211_mutex);
mutex_lock(&reg_mutex);
@@ -1751,6 +1767,25 @@ static void restore_regulatory_settings(bool reset_user)
reset_regdomains();
restore_alpha2(alpha2, reset_user);
+ /*
+ * If there's any pending requests we simply
+ * stash them to a temporary pending queue and
+ * add then after we've restored regulatory
+ * settings.
+ */
+ spin_lock(&reg_requests_lock);
+ if (!list_empty(&reg_requests_list)) {
+ list_for_each_entry_safe(reg_request, tmp,
+ &reg_requests_list, list) {
+ if (reg_request->initiator !=
+ NL80211_REGDOM_SET_BY_USER)
+ continue;
+ list_del(&reg_request->list);
+ list_add_tail(&reg_request->list, &tmp_reg_req_list);
+ }
+ }
+ spin_unlock(&reg_requests_lock);
+
/* Clear beacon hints */
spin_lock_bh(&reg_pending_beacons_lock);
if (!list_empty(&reg_pending_beacons)) {
@@ -1785,8 +1820,31 @@ static void restore_regulatory_settings(bool reset_user)
*/
if (is_an_alpha2(alpha2))
regulatory_hint_user(user_alpha2);
-}
+ if (list_empty(&tmp_reg_req_list))
+ return;
+
+ mutex_lock(&cfg80211_mutex);
+ mutex_lock(&reg_mutex);
+
+ spin_lock(&reg_requests_lock);
+ list_for_each_entry_safe(reg_request, tmp, &tmp_reg_req_list, list) {
+ REG_DBG_PRINT("Adding request for country %c%c back "
+ "into the queue\n",
+ reg_request->alpha2[0],
+ reg_request->alpha2[1]);
+ list_del(&reg_request->list);
+ list_add_tail(&reg_request->list, &reg_requests_list);
+ }
+ spin_unlock(&reg_requests_lock);
+
+ mutex_unlock(&reg_mutex);
+ mutex_unlock(&cfg80211_mutex);
+
+ REG_DBG_PRINT("Kicking the queue\n");
+
+ schedule_work(&reg_work);
+}
void regulatory_hint_disconnect(void)
{
@@ -2125,6 +2183,13 @@ out:
mutex_unlock(&reg_mutex);
}
+static void reg_timeout_work(struct work_struct *work)
+{
+ REG_DBG_PRINT("Timeout while waiting for CRDA to reply, "
+ "restoring regulatory settings");
+ restore_regulatory_settings(true);
+}
+
int __init regulatory_init(void)
{
int err = 0;
@@ -2178,6 +2243,7 @@ void /* __init_or_exit */ regulatory_exit(void)
struct reg_beacon *reg_beacon, *btmp;
cancel_work_sync(&reg_work);
+ cancel_delayed_work_sync(&reg_timeout);
mutex_lock(&cfg80211_mutex);
mutex_lock(&reg_mutex);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index fbf6f33ae4d0..73a441d237b5 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -93,6 +93,69 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
}
EXPORT_SYMBOL(cfg80211_scan_done);
+void __cfg80211_sched_scan_results(struct work_struct *wk)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rdev = container_of(wk, struct cfg80211_registered_device,
+ sched_scan_results_wk);
+
+ cfg80211_lock_rdev(rdev);
+
+ /* we don't have sched_scan_req anymore if the scan is stopping */
+ if (rdev->sched_scan_req)
+ nl80211_send_sched_scan_results(rdev,
+ rdev->sched_scan_req->dev);
+
+ cfg80211_unlock_rdev(rdev);
+}
+
+void cfg80211_sched_scan_results(struct wiphy *wiphy)
+{
+ /* ignore if we're not scanning */
+ if (wiphy_to_dev(wiphy)->sched_scan_req)
+ queue_work(cfg80211_wq,
+ &wiphy_to_dev(wiphy)->sched_scan_results_wk);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_results);
+
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ cfg80211_lock_rdev(rdev);
+ __cfg80211_stop_sched_scan(rdev, true);
+ cfg80211_unlock_rdev(rdev);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
+
+int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
+ bool driver_initiated)
+{
+ int err;
+ struct net_device *dev;
+
+ ASSERT_RDEV_LOCK(rdev);
+
+ if (!rdev->sched_scan_req)
+ return 0;
+
+ dev = rdev->sched_scan_req->dev;
+
+ if (!driver_initiated) {
+ err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
+ if (err)
+ return err;
+ }
+
+ nl80211_send_sched_scan(rdev, dev, NL80211_CMD_SCHED_SCAN_STOPPED);
+
+ kfree(rdev->sched_scan_req);
+ rdev->sched_scan_req = NULL;
+
+ return err;
+}
+
static void bss_release(struct kref *ref)
{
struct cfg80211_internal_bss *bss;
@@ -210,7 +273,7 @@ static bool is_mesh(struct cfg80211_bss *a,
{
const u8 *ie;
- if (!is_zero_ether_addr(a->bssid))
+ if (!WLAN_CAPABILITY_IS_MBSS(a->capability))
return false;
ie = cfg80211_find_ie(WLAN_EID_MESH_ID,
@@ -248,11 +311,7 @@ static int cmp_bss(struct cfg80211_bss *a,
if (a->channel != b->channel)
return b->channel->center_freq - a->channel->center_freq;
- r = memcmp(a->bssid, b->bssid, ETH_ALEN);
- if (r)
- return r;
-
- if (is_zero_ether_addr(a->bssid)) {
+ if (WLAN_CAPABILITY_IS_MBSS(a->capability | b->capability)) {
r = cmp_ies(WLAN_EID_MESH_ID,
a->information_elements,
a->len_information_elements,
@@ -267,6 +326,10 @@ static int cmp_bss(struct cfg80211_bss *a,
b->len_information_elements);
}
+ r = memcmp(a->bssid, b->bssid, ETH_ALEN);
+ if (r)
+ return r;
+
return cmp_ies(WLAN_EID_SSID,
a->information_elements,
a->len_information_elements,
@@ -407,7 +470,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
res->ts = jiffies;
- if (is_zero_ether_addr(res->pub.bssid)) {
+ if (WLAN_CAPABILITY_IS_MBSS(res->pub.capability)) {
/* must be mesh, verify */
meshid = cfg80211_find_ie(WLAN_EID_MESH_ID,
res->pub.information_elements,
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 4294fa22bb2d..c6e4ca6a7d2e 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,7 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
if (rdev->ops->suspend) {
rtnl_lock();
- ret = rdev->ops->suspend(&rdev->wiphy);
+ ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
rtnl_unlock();
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6a750bc6bcfe..f0536d44d43c 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -544,7 +544,8 @@ EXPORT_SYMBOL(ieee80211_data_from_8023);
void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
const u8 *addr, enum nl80211_iftype iftype,
- const unsigned int extra_headroom)
+ const unsigned int extra_headroom,
+ bool has_80211_header)
{
struct sk_buff *frame = NULL;
u16 ethertype;
@@ -553,14 +554,18 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
int remaining, err;
u8 dst[ETH_ALEN], src[ETH_ALEN];
- err = ieee80211_data_to_8023(skb, addr, iftype);
- if (err)
- goto out;
+ if (has_80211_header) {
+ err = ieee80211_data_to_8023(skb, addr, iftype);
+ if (err)
+ goto out;
- /* skip the wrapping header */
- eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr));
- if (!eth)
- goto out;
+ /* skip the wrapping header */
+ eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr));
+ if (!eth)
+ goto out;
+ } else {
+ eth = (struct ethhdr *) skb->data;
+ }
while (skb != frame) {
u8 padding;
@@ -803,6 +808,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
if (ntype != otype) {
+ err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
+ ntype);
+ if (err)
+ return err;
+
dev->ieee80211_ptr->use_4addr = false;
dev->ieee80211_ptr->mesh_id_up_len = 0;
@@ -896,3 +906,103 @@ u16 cfg80211_calculate_bitrate(struct rate_info *rate)
/* do NOT round down here */
return (bitrate + 50000) / 100000;
}
+
+int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
+ u32 beacon_int)
+{
+ struct wireless_dev *wdev;
+ int res = 0;
+
+ if (!beacon_int)
+ return -EINVAL;
+
+ mutex_lock(&rdev->devlist_mtx);
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (!wdev->beacon_interval)
+ continue;
+ if (wdev->beacon_interval != beacon_int) {
+ res = -EINVAL;
+ break;
+ }
+ }
+
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return res;
+}
+
+int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ enum nl80211_iftype iftype)
+{
+ struct wireless_dev *wdev_iter;
+ int num[NUM_NL80211_IFTYPES];
+ int total = 1;
+ int i, j;
+
+ ASSERT_RTNL();
+
+ /* Always allow software iftypes */
+ if (rdev->wiphy.software_iftypes & BIT(iftype))
+ return 0;
+
+ /*
+ * Drivers will gradually all set this flag, until all
+ * have it we only enforce for those that set it.
+ */
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_ENFORCE_COMBINATIONS))
+ return 0;
+
+ memset(num, 0, sizeof(num));
+
+ num[iftype] = 1;
+
+ mutex_lock(&rdev->devlist_mtx);
+ list_for_each_entry(wdev_iter, &rdev->netdev_list, list) {
+ if (wdev_iter == wdev)
+ continue;
+ if (!netif_running(wdev_iter->netdev))
+ continue;
+
+ if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
+ continue;
+
+ num[wdev_iter->iftype]++;
+ total++;
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+
+ for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) {
+ const struct ieee80211_iface_combination *c;
+ struct ieee80211_iface_limit *limits;
+
+ c = &rdev->wiphy.iface_combinations[i];
+
+ limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits,
+ GFP_KERNEL);
+ if (!limits)
+ return -ENOMEM;
+ if (total > c->max_interfaces)
+ goto cont;
+
+ for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) {
+ if (rdev->wiphy.software_iftypes & BIT(iftype))
+ continue;
+ for (j = 0; j < c->n_limits; j++) {
+ if (!(limits[j].types & iftype))
+ continue;
+ if (limits[j].max < num[iftype])
+ goto cont;
+ limits[j].max -= num[iftype];
+ }
+ }
+ /* yay, it fits */
+ kfree(limits);
+ return 0;
+ cont:
+ kfree(limits);
+ }
+
+ return -EBUSY;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 09:26:01 +0000