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-rw-r--r--net/wireless/Kconfig10
-rw-r--r--net/wireless/ibss.c4
-rw-r--r--net/wireless/mlme.c6
-rw-r--r--net/wireless/nl80211.c98
-rw-r--r--net/wireless/rdev-ops.h5
-rw-r--r--net/wireless/reg.c145
-rw-r--r--net/wireless/reg.h24
-rw-r--r--net/wireless/scan.c302
-rw-r--r--net/wireless/sme.c90
-rw-r--r--net/wireless/trace.h41
-rw-r--r--net/wireless/util.c171
-rw-r--r--net/wireless/wext-compat.c18
-rw-r--r--net/wireless/wext-compat.h6
-rw-r--r--net/wireless/wext-sme.c2
14 files changed, 713 insertions, 209 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 29c8675f9a11..4f5543dd2524 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -175,13 +175,21 @@ config CFG80211_INTERNAL_REGDB
Most distributions have a CRDA package. So if unsure, say N.
config CFG80211_WEXT
- bool "cfg80211 wireless extensions compatibility"
+ bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
depends on CFG80211
select WEXT_CORE
+ default y if CFG80211_WEXT_EXPORT
help
Enable this option if you need old userspace for wireless
extensions with cfg80211-based drivers.
+config CFG80211_WEXT_EXPORT
+ bool
+ depends on CFG80211
+ help
+ Drivers should select this option if they require cfg80211's
+ wext compatibility symbols to be exported.
+
config LIB80211
tristate
default n
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index e24fc585c883..4c55fab9b4e4 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -30,7 +30,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
return;
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0,
- WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
+ IEEE80211_BSS_TYPE_IBSS, IEEE80211_PRIVACY_ANY);
if (WARN_ON(!bss))
return;
@@ -533,7 +533,7 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
else if (wdev->wext.ibss.bssid)
memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
else
- memset(ap_addr->sa_data, 0, ETH_ALEN);
+ eth_zero_addr(ap_addr->sa_data);
wdev_unlock(wdev);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 2c52b59e43f3..7aae329e2b4e 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -229,7 +229,8 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
return -EALREADY;
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
- WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ IEEE80211_BSS_TYPE_ESS,
+ IEEE80211_PRIVACY_ANY);
if (!req.bss)
return -ENOENT;
@@ -296,7 +297,8 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
rdev->wiphy.vht_capa_mod_mask);
req->bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
- WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ IEEE80211_BSS_TYPE_ESS,
+ IEEE80211_PRIVACY_ANY);
if (!req->bss)
return -ENOENT;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b6f84f6a2a09..dd78445c7d50 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -399,6 +399,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
[NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
[NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
+ [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -1098,8 +1099,6 @@ static int nl80211_send_wowlan(struct sk_buff *msg,
if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
return -ENOBUFS;
- /* TODO: send wowlan net detect */
-
nla_nest_end(msg, nl_wowlan);
return 0;
@@ -2668,7 +2667,8 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev = rdev_add_virtual_intf(rdev,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
- type, err ? NULL : &flags, &params);
+ NET_NAME_USER, type, err ? NULL : &flags,
+ &params);
if (WARN_ON(!wdev)) {
nlmsg_free(msg);
return -EPROTO;
@@ -4968,7 +4968,10 @@ static int parse_reg_rule(struct nlattr *tb[],
static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
{
char *data = NULL;
+ bool is_indoor;
enum nl80211_user_reg_hint_type user_reg_hint_type;
+ u32 owner_nlportid;
+
/*
* You should only get this when cfg80211 hasn't yet initialized
@@ -4994,7 +4997,15 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
return regulatory_hint_user(data, user_reg_hint_type);
case NL80211_USER_REG_HINT_INDOOR:
- return regulatory_hint_indoor_user();
+ if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
+ owner_nlportid = info->snd_portid;
+ is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
+ } else {
+ owner_nlportid = 0;
+ is_indoor = true;
+ }
+
+ return regulatory_hint_indoor(is_indoor, owner_nlportid);
default:
return -EINVAL;
}
@@ -5275,7 +5286,7 @@ do { \
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
0, 65535, mask,
NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
- FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff,
mask, NL80211_MESHCONF_PLINK_TIMEOUT,
nla_get_u32);
if (mask_out)
@@ -5653,7 +5664,7 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
}
}
- r = set_regdom(rd);
+ r = set_regdom(rd, REGD_SOURCE_CRDA);
/* set_regdom took ownership */
rd = NULL;
@@ -5693,8 +5704,8 @@ static int nl80211_parse_random_mac(struct nlattr **attrs,
int i;
if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
- memset(mac_addr, 0, ETH_ALEN);
- memset(mac_addr_mask, 0, ETH_ALEN);
+ eth_zero_addr(mac_addr);
+ eth_zero_addr(mac_addr_mask);
mac_addr[0] = 0x2;
mac_addr_mask[0] = 0x3;
@@ -7275,8 +7286,18 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
break;
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_40:
- if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
- break;
+ if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
+ return -EINVAL;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_160:
+ if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
+ return -EINVAL;
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_VHT_IBSS))
+ return -EINVAL;
+ break;
default:
return -EINVAL;
}
@@ -7389,8 +7410,8 @@ static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
static struct sk_buff *
__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
- int approxlen, u32 portid, u32 seq,
- enum nl80211_commands cmd,
+ struct wireless_dev *wdev, int approxlen,
+ u32 portid, u32 seq, enum nl80211_commands cmd,
enum nl80211_attrs attr,
const struct nl80211_vendor_cmd_info *info,
gfp_t gfp)
@@ -7421,6 +7442,16 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
goto nla_put_failure;
}
+ if (wdev) {
+ if (nla_put_u64(skb, NL80211_ATTR_WDEV,
+ wdev_id(wdev)))
+ goto nla_put_failure;
+ if (wdev->netdev &&
+ nla_put_u32(skb, NL80211_ATTR_IFINDEX,
+ wdev->netdev->ifindex))
+ goto nla_put_failure;
+ }
+
data = nla_nest_start(skb, attr);
((void **)skb->cb)[0] = rdev;
@@ -7435,6 +7466,7 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
}
struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
enum nl80211_commands cmd,
enum nl80211_attrs attr,
int vendor_event_idx,
@@ -7460,7 +7492,7 @@ struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
return NULL;
}
- return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
+ return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0,
cmd, attr, info, gfp);
}
EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
@@ -8761,8 +8793,8 @@ static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
if (!nl_tcp)
return -ENOBUFS;
- if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
- nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
+ if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
+ nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
@@ -8808,6 +8840,9 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, req->interval))
return -ENOBUFS;
+ if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
+ return -ENOBUFS;
+
freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
if (!freqs)
return -ENOBUFS;
@@ -8993,8 +9028,8 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
cfg = kzalloc(size, GFP_KERNEL);
if (!cfg)
return -ENOMEM;
- cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
- cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
+ cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
+ cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
ETH_ALEN);
if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
@@ -9094,6 +9129,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
int err, i;
bool prev_enabled = rdev->wiphy.wowlan_config;
+ bool regular = false;
if (!wowlan)
return -EOPNOTSUPP;
@@ -9121,12 +9157,14 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
return -EINVAL;
new_triggers.disconnect = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
return -EINVAL;
new_triggers.magic_pkt = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
@@ -9136,24 +9174,28 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
return -EINVAL;
new_triggers.gtk_rekey_failure = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
return -EINVAL;
new_triggers.eap_identity_req = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
return -EINVAL;
new_triggers.four_way_handshake = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
return -EINVAL;
new_triggers.rfkill_release = true;
+ regular = true;
}
if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
@@ -9162,6 +9204,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
int rem, pat_len, mask_len, pkt_offset;
struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
+ regular = true;
+
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem)
n_patterns++;
@@ -9223,6 +9267,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
}
if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
+ regular = true;
err = nl80211_parse_wowlan_tcp(
rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
&new_triggers);
@@ -9231,6 +9276,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
}
if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
+ regular = true;
err = nl80211_parse_wowlan_nd(
rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
&new_triggers);
@@ -9238,6 +9284,17 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
}
+ /* The 'any' trigger means the device continues operating more or less
+ * as in its normal operation mode and wakes up the host on most of the
+ * normal interrupts (like packet RX, ...)
+ * It therefore makes little sense to combine with the more constrained
+ * wakeup trigger modes.
+ */
+ if (new_triggers.any && regular) {
+ err = -EINVAL;
+ goto error;
+ }
+
ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
if (!ntrig) {
err = -ENOMEM;
@@ -9906,7 +9963,7 @@ struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
if (WARN_ON(!rdev->cur_cmd_info))
return NULL;
- return __cfg80211_alloc_vendor_skb(rdev, approxlen,
+ return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
rdev->cur_cmd_info->snd_portid,
rdev->cur_cmd_info->snd_seq,
cmd, attr, NULL, GFP_KERNEL);
@@ -12775,6 +12832,11 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
rcu_read_unlock();
+ /*
+ * It is possible that the user space process that is controlling the
+ * indoor setting disappeared, so notify the regulatory core.
+ */
+ regulatory_netlink_notify(notify->portid);
return NOTIFY_OK;
}
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 35cfb7134bdb..c6e83a7468c0 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -35,13 +35,14 @@ static inline void rdev_set_wakeup(struct cfg80211_registered_device *rdev,
static inline struct wireless_dev
*rdev_add_virtual_intf(struct cfg80211_registered_device *rdev, char *name,
+ unsigned char name_assign_type,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct wireless_dev *ret;
trace_rdev_add_virtual_intf(&rdev->wiphy, name, type);
- ret = rdev->ops->add_virtual_intf(&rdev->wiphy, name, type, flags,
- params);
+ ret = rdev->ops->add_virtual_intf(&rdev->wiphy, name, name_assign_type,
+ type, flags, params);
trace_rdev_return_wdev(&rdev->wiphy, ret);
return ret;
}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 48dfc7b4e981..0e347f888fe9 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -82,17 +82,12 @@
* be intersected with the current one.
* @REG_REQ_ALREADY_SET: the regulatory request will not change the current
* regulatory settings, and no further processing is required.
- * @REG_REQ_USER_HINT_HANDLED: a non alpha2 user hint was handled and no
- * further processing is required, i.e., not need to update last_request
- * etc. This should be used for user hints that do not provide an alpha2
- * but some other type of regulatory hint, i.e., indoor operation.
*/
enum reg_request_treatment {
REG_REQ_OK,
REG_REQ_IGNORE,
REG_REQ_INTERSECT,
REG_REQ_ALREADY_SET,
- REG_REQ_USER_HINT_HANDLED,
};
static struct regulatory_request core_request_world = {
@@ -133,9 +128,17 @@ static int reg_num_devs_support_basehint;
* State variable indicating if the platform on which the devices
* are attached is operating in an indoor environment. The state variable
* is relevant for all registered devices.
- * (protected by RTNL)
*/
static bool reg_is_indoor;
+static spinlock_t reg_indoor_lock;
+
+/* Used to track the userspace process controlling the indoor setting */
+static u32 reg_is_indoor_portid;
+
+/* Max number of consecutive attempts to communicate with CRDA */
+#define REG_MAX_CRDA_TIMEOUTS 10
+
+static u32 reg_crda_timeouts;
static const struct ieee80211_regdomain *get_cfg80211_regdom(void)
{
@@ -487,7 +490,7 @@ static void reg_regdb_search(struct work_struct *work)
mutex_unlock(&reg_regdb_search_mutex);
if (!IS_ERR_OR_NULL(regdom))
- set_regdom(regdom);
+ set_regdom(regdom, REGD_SOURCE_INTERNAL_DB);
rtnl_unlock();
}
@@ -537,15 +540,20 @@ static int call_crda(const char *alpha2)
snprintf(country, sizeof(country), "COUNTRY=%c%c",
alpha2[0], alpha2[1]);
+ /* query internal regulatory database (if it exists) */
+ reg_regdb_query(alpha2);
+
+ if (reg_crda_timeouts > REG_MAX_CRDA_TIMEOUTS) {
+ pr_info("Exceeded CRDA call max attempts. Not calling CRDA\n");
+ return -EINVAL;
+ }
+
if (!is_world_regdom((char *) alpha2))
pr_info("Calling CRDA for country: %c%c\n",
alpha2[0], alpha2[1]);
else
pr_info("Calling CRDA to update world regulatory domain\n");
- /* query internal regulatory database (if it exists) */
- reg_regdb_query(alpha2);
-
return kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, env);
}
@@ -554,6 +562,9 @@ reg_call_crda(struct regulatory_request *request)
{
if (call_crda(request->alpha2))
return REG_REQ_IGNORE;
+
+ queue_delayed_work(system_power_efficient_wq,
+ &reg_timeout, msecs_to_jiffies(3142));
return REG_REQ_OK;
}
@@ -1248,13 +1259,6 @@ static bool reg_request_cell_base(struct regulatory_request *request)
return request->user_reg_hint_type == NL80211_USER_REG_HINT_CELL_BASE;
}
-static bool reg_request_indoor(struct regulatory_request *request)
-{
- if (request->initiator != NL80211_REGDOM_SET_BY_USER)
- return false;
- return request->user_reg_hint_type == NL80211_USER_REG_HINT_INDOOR;
-}
-
bool reg_last_request_cell_base(void)
{
return reg_request_cell_base(get_last_request());
@@ -1800,8 +1804,7 @@ static void reg_set_request_processed(void)
need_more_processing = true;
spin_unlock(&reg_requests_lock);
- if (lr->initiator == NL80211_REGDOM_SET_BY_USER)
- cancel_delayed_work(&reg_timeout);
+ cancel_delayed_work(&reg_timeout);
if (need_more_processing)
schedule_work(&reg_work);
@@ -1833,11 +1836,6 @@ __reg_process_hint_user(struct regulatory_request *user_request)
{
struct regulatory_request *lr = get_last_request();
- if (reg_request_indoor(user_request)) {
- reg_is_indoor = true;
- return REG_REQ_USER_HINT_HANDLED;
- }
-
if (reg_request_cell_base(user_request))
return reg_ignore_cell_hint(user_request);
@@ -1885,8 +1883,7 @@ reg_process_hint_user(struct regulatory_request *user_request)
treatment = __reg_process_hint_user(user_request);
if (treatment == REG_REQ_IGNORE ||
- treatment == REG_REQ_ALREADY_SET ||
- treatment == REG_REQ_USER_HINT_HANDLED) {
+ treatment == REG_REQ_ALREADY_SET) {
reg_free_request(user_request);
return treatment;
}
@@ -1947,7 +1944,6 @@ reg_process_hint_driver(struct wiphy *wiphy,
case REG_REQ_OK:
break;
case REG_REQ_IGNORE:
- case REG_REQ_USER_HINT_HANDLED:
reg_free_request(driver_request);
return treatment;
case REG_REQ_INTERSECT:
@@ -2047,7 +2043,6 @@ reg_process_hint_country_ie(struct wiphy *wiphy,
case REG_REQ_OK:
break;
case REG_REQ_IGNORE:
- case REG_REQ_USER_HINT_HANDLED:
/* fall through */
case REG_REQ_ALREADY_SET:
reg_free_request(country_ie_request);
@@ -2086,11 +2081,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
case NL80211_REGDOM_SET_BY_USER:
treatment = reg_process_hint_user(reg_request);
if (treatment == REG_REQ_IGNORE ||
- treatment == REG_REQ_ALREADY_SET ||
- treatment == REG_REQ_USER_HINT_HANDLED)
+ treatment == REG_REQ_ALREADY_SET)
return;
- queue_delayed_work(system_power_efficient_wq,
- &reg_timeout, msecs_to_jiffies(3142));
return;
case NL80211_REGDOM_SET_BY_DRIVER:
if (!wiphy)
@@ -2177,6 +2169,13 @@ static void reg_process_pending_hints(void)
}
reg_process_hint(reg_request);
+
+ lr = get_last_request();
+
+ spin_lock(&reg_requests_lock);
+ if (!list_empty(&reg_requests_list) && lr && lr->processed)
+ schedule_work(&reg_work);
+ spin_unlock(&reg_requests_lock);
}
/* Processes beacon hints -- this has nothing to do with country IEs */
@@ -2304,27 +2303,58 @@ int regulatory_hint_user(const char *alpha2,
request->initiator = NL80211_REGDOM_SET_BY_USER;
request->user_reg_hint_type = user_reg_hint_type;
+ /* Allow calling CRDA again */
+ reg_crda_timeouts = 0;
+
queue_regulatory_request(request);
return 0;
}
-int regulatory_hint_indoor_user(void)
+int regulatory_hint_indoor(bool is_indoor, u32 portid)
{
- struct regulatory_request *request;
+ spin_lock(&reg_indoor_lock);
- request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL);
- if (!request)
- return -ENOMEM;
+ /* It is possible that more than one user space process is trying to
+ * configure the indoor setting. To handle such cases, clear the indoor
+ * setting in case that some process does not think that the device
+ * is operating in an indoor environment. In addition, if a user space
+ * process indicates that it is controlling the indoor setting, save its
+ * portid, i.e., make it the owner.
+ */
+ reg_is_indoor = is_indoor;
+ if (reg_is_indoor) {
+ if (!reg_is_indoor_portid)
+ reg_is_indoor_portid = portid;
+ } else {
+ reg_is_indoor_portid = 0;
+ }
- request->wiphy_idx = WIPHY_IDX_INVALID;
- request->initiator = NL80211_REGDOM_SET_BY_USER;
- request->user_reg_hint_type = NL80211_USER_REG_HINT_INDOOR;
- queue_regulatory_request(request);
+ spin_unlock(&reg_indoor_lock);
+
+ if (!is_indoor)
+ reg_check_channels();
return 0;
}
+void regulatory_netlink_notify(u32 portid)
+{
+ spin_lock(&reg_indoor_lock);
+
+ if (reg_is_indoor_portid != portid) {
+ spin_unlock(&reg_indoor_lock);
+ return;
+ }
+
+ reg_is_indoor = false;
+ reg_is_indoor_portid = 0;
+
+ spin_unlock(&reg_indoor_lock);
+
+ reg_check_channels();
+}
+
/* Driver hints */
int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
{
@@ -2345,6 +2375,9 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
request->alpha2[1] = alpha2[1];
request->initiator = NL80211_REGDOM_SET_BY_DRIVER;
+ /* Allow calling CRDA again */
+ reg_crda_timeouts = 0;
+
queue_regulatory_request(request);
return 0;
@@ -2398,6 +2431,9 @@ void regulatory_hint_country_ie(struct wiphy *wiphy, enum ieee80211_band band,
request->initiator = NL80211_REGDOM_SET_BY_COUNTRY_IE;
request->country_ie_env = env;
+ /* Allow calling CRDA again */
+ reg_crda_timeouts = 0;
+
queue_regulatory_request(request);
request = NULL;
out:
@@ -2486,13 +2522,22 @@ static void restore_regulatory_settings(bool reset_user)
char alpha2[2];
char world_alpha2[2];
struct reg_beacon *reg_beacon, *btmp;
- struct regulatory_request *reg_request, *tmp;
LIST_HEAD(tmp_reg_req_list);
struct cfg80211_registered_device *rdev;
ASSERT_RTNL();
- reg_is_indoor = false;
+ /*
+ * Clear the indoor setting in case that it is not controlled by user
+ * space, as otherwise there is no guarantee that the device is still
+ * operating in an indoor environment.
+ */
+ spin_lock(&reg_indoor_lock);
+ if (reg_is_indoor && !reg_is_indoor_portid) {
+ reg_is_indoor = false;
+ reg_check_channels();
+ }
+ spin_unlock(&reg_indoor_lock);
reset_regdomains(true, &world_regdom);
restore_alpha2(alpha2, reset_user);
@@ -2504,11 +2549,7 @@ static void restore_regulatory_settings(bool reset_user)
* settings.
*/
spin_lock(&reg_requests_lock);
- list_for_each_entry_safe(reg_request, tmp, &reg_requests_list, list) {
- if (reg_request->initiator != NL80211_REGDOM_SET_BY_USER)
- continue;
- list_move_tail(&reg_request->list, &tmp_reg_req_list);
- }
+ list_splice_tail_init(&reg_requests_list, &tmp_reg_req_list);
spin_unlock(&reg_requests_lock);
/* Clear beacon hints */
@@ -2871,7 +2912,8 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd,
* multiple drivers can be ironed out later. Caller must've already
* kmalloc'd the rd structure.
*/
-int set_regdom(const struct ieee80211_regdomain *rd)
+int set_regdom(const struct ieee80211_regdomain *rd,
+ enum ieee80211_regd_source regd_src)
{
struct regulatory_request *lr;
bool user_reset = false;
@@ -2882,6 +2924,9 @@ int set_regdom(const struct ieee80211_regdomain *rd)
return -EINVAL;
}
+ if (regd_src == REGD_SOURCE_CRDA)
+ reg_crda_timeouts = 0;
+
lr = get_last_request();
/* Note that this doesn't update the wiphys, this is done below */
@@ -3041,6 +3086,7 @@ static void reg_timeout_work(struct work_struct *work)
{
REG_DBG_PRINT("Timeout while waiting for CRDA to reply, restoring regulatory settings\n");
rtnl_lock();
+ reg_crda_timeouts++;
restore_regulatory_settings(true);
rtnl_unlock();
}
@@ -3089,6 +3135,7 @@ int __init regulatory_init(void)
spin_lock_init(&reg_requests_lock);
spin_lock_init(&reg_pending_beacons_lock);
+ spin_lock_init(&reg_indoor_lock);
reg_regdb_size_check();
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index 4b45d6e61d24..9f495d76eca0 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -16,6 +16,11 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+enum ieee80211_regd_source {
+ REGD_SOURCE_INTERNAL_DB,
+ REGD_SOURCE_CRDA,
+};
+
extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
bool reg_is_valid_request(const char *alpha2);
@@ -25,7 +30,20 @@ enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy);
int regulatory_hint_user(const char *alpha2,
enum nl80211_user_reg_hint_type user_reg_hint_type);
-int regulatory_hint_indoor_user(void);
+
+/**
+ * regulatory_hint_indoor - hint operation in indoor env. or not
+ * @is_indoor: if true indicates that user space thinks that the
+ * device is operating in an indoor environment.
+ * @portid: the netlink port ID on which the hint was given.
+ */
+int regulatory_hint_indoor(bool is_indoor, u32 portid);
+
+/**
+ * regulatory_netlink_notify - notify on released netlink socket
+ * @portid: the netlink socket port ID
+ */
+void regulatory_netlink_notify(u32 portid);
void wiphy_regulatory_register(struct wiphy *wiphy);
void wiphy_regulatory_deregister(struct wiphy *wiphy);
@@ -33,7 +51,9 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy);
int __init regulatory_init(void);
void regulatory_exit(void);
-int set_regdom(const struct ieee80211_regdomain *rd);
+int set_regdom(const struct ieee80211_regdomain *rd,
+ enum ieee80211_regd_source regd_src);
+
unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
const struct ieee80211_reg_rule *rule);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index c705c3e2b751..3a50aa2553bf 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -531,24 +531,78 @@ static int cmp_bss(struct cfg80211_bss *a,
}
}
+static bool cfg80211_bss_type_match(u16 capability,
+ enum ieee80211_band band,
+ enum ieee80211_bss_type bss_type)
+{
+ bool ret = true;
+ u16 mask, val;
+
+ if (bss_type == IEEE80211_BSS_TYPE_ANY)
+ return ret;
+
+ if (band == IEEE80211_BAND_60GHZ) {
+ mask = WLAN_CAPABILITY_DMG_TYPE_MASK;
+ switch (bss_type) {
+ case IEEE80211_BSS_TYPE_ESS:
+ val = WLAN_CAPABILITY_DMG_TYPE_AP;
+ break;
+ case IEEE80211_BSS_TYPE_PBSS:
+ val = WLAN_CAPABILITY_DMG_TYPE_PBSS;
+ break;
+ case IEEE80211_BSS_TYPE_IBSS:
+ val = WLAN_CAPABILITY_DMG_TYPE_IBSS;
+ break;
+ default:
+ return false;
+ }
+ } else {
+ mask = WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS;
+ switch (bss_type) {
+ case IEEE80211_BSS_TYPE_ESS:
+ val = WLAN_CAPABILITY_ESS;
+ break;
+ case IEEE80211_BSS_TYPE_IBSS:
+ val = WLAN_CAPABILITY_IBSS;
+ break;
+ case IEEE80211_BSS_TYPE_MBSS:
+ val = 0;
+ break;
+ default:
+ return false;
+ }
+ }
+
+ ret = ((capability & mask) == val);
+ return ret;
+}
+
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
const u8 *bssid,
const u8 *ssid, size_t ssid_len,
- u16 capa_mask, u16 capa_val)
+ enum ieee80211_bss_type bss_type,
+ enum ieee80211_privacy privacy)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct cfg80211_internal_bss *bss, *res = NULL;
unsigned long now = jiffies;
+ int bss_privacy;
- trace_cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, capa_mask,
- capa_val);
+ trace_cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, bss_type,
+ privacy);
spin_lock_bh(&rdev->bss_lock);
list_for_each_entry(bss, &rdev->bss_list, list) {
- if ((bss->pub.capability & capa_mask) != capa_val)
+ if (!cfg80211_bss_type_match(bss->pub.capability,
+ bss->pub.channel->band, bss_type))
+ continue;
+
+ bss_privacy = (bss->pub.capability & WLAN_CAPABILITY_PRIVACY);
+ if ((privacy == IEEE80211_PRIVACY_ON && !bss_privacy) ||
+ (privacy == IEEE80211_PRIVACY_OFF && bss_privacy))
continue;
if (channel && bss->pub.channel != channel)
continue;
@@ -896,6 +950,7 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
struct cfg80211_bss_ies *ies;
struct ieee80211_channel *channel;
struct cfg80211_internal_bss tmp = {}, *res;
+ int bss_type;
bool signal_valid;
if (WARN_ON(!wiphy))
@@ -950,8 +1005,15 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
if (!res)
return NULL;
- if (res->pub.capability & WLAN_CAPABILITY_ESS)
- regulatory_hint_found_beacon(wiphy, channel, gfp);
+ if (channel->band == IEEE80211_BAND_60GHZ) {
+ bss_type = res->pub.capability & WLAN_CAPABILITY_DMG_TYPE_MASK;
+ if (bss_type == WLAN_CAPABILITY_DMG_TYPE_AP ||
+ bss_type == WLAN_CAPABILITY_DMG_TYPE_PBSS)
+ regulatory_hint_found_beacon(wiphy, channel, gfp);
+ } else {
+ if (res->pub.capability & WLAN_CAPABILITY_ESS)
+ regulatory_hint_found_beacon(wiphy, channel, gfp);
+ }
trace_cfg80211_return_bss(&res->pub);
/* cfg80211_bss_update gives us a referenced result */
@@ -973,6 +1035,7 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
bool signal_valid;
size_t ielen = len - offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
+ int bss_type;
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
@@ -1025,8 +1088,15 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
if (!res)
return NULL;
- if (res->pub.capability & WLAN_CAPABILITY_ESS)
- regulatory_hint_found_beacon(wiphy, channel, gfp);
+ if (channel->band == IEEE80211_BAND_60GHZ) {
+ bss_type = res->pub.capability & WLAN_CAPABILITY_DMG_TYPE_MASK;
+ if (bss_type == WLAN_CAPABILITY_DMG_TYPE_AP ||
+ bss_type == WLAN_CAPABILITY_DMG_TYPE_PBSS)
+ regulatory_hint_found_beacon(wiphy, channel, gfp);
+ } else {
+ if (res->pub.capability & WLAN_CAPABILITY_ESS)
+ regulatory_hint_found_beacon(wiphy, channel, gfp);
+ }
trace_cfg80211_return_bss(&res->pub);
/* cfg80211_bss_update gives us a referenced result */
@@ -1237,17 +1307,17 @@ int cfg80211_wext_siwscan(struct net_device *dev,
kfree(creq);
return err;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
+EXPORT_WEXT_HANDLER(cfg80211_wext_siwscan);
-static void ieee80211_scan_add_ies(struct iw_request_info *info,
- const struct cfg80211_bss_ies *ies,
- char **current_ev, char *end_buf)
+static char *ieee80211_scan_add_ies(struct iw_request_info *info,
+ const struct cfg80211_bss_ies *ies,
+ char *current_ev, char *end_buf)
{
const u8 *pos, *end, *next;
struct iw_event iwe;
if (!ies)
- return;
+ return current_ev;
/*
* If needed, fragment the IEs buffer (at IE boundaries) into short
@@ -1264,10 +1334,11 @@ static void ieee80211_scan_add_ies(struct iw_request_info *info,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = next - pos;
- *current_ev = iwe_stream_add_point(info, *current_ev,
- end_buf, &iwe,
- (void *)pos);
-
+ current_ev = iwe_stream_add_point_check(info, current_ev,
+ end_buf, &iwe,
+ (void *)pos);
+ if (IS_ERR(current_ev))
+ return current_ev;
pos = next;
}
@@ -1275,10 +1346,14 @@ static void ieee80211_scan_add_ies(struct iw_request_info *info,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = end - pos;
- *current_ev = iwe_stream_add_point(info, *current_ev,
- end_buf, &iwe,
- (void *)pos);
+ current_ev = iwe_stream_add_point_check(info, current_ev,
+ end_buf, &iwe,
+ (void *)pos);
+ if (IS_ERR(current_ev))
+ return current_ev;
}
+
+ return current_ev;
}
static char *
@@ -1289,7 +1364,8 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
const struct cfg80211_bss_ies *ies;
struct iw_event iwe;
const u8 *ie;
- u8 *buf, *cfg, *p;
+ u8 buf[50];
+ u8 *cfg, *p, *tmp;
int rem, i, sig;
bool ismesh = false;
@@ -1297,22 +1373,28 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, bss->pub.bssid, ETH_ALEN);
- current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
- IW_EV_ADDR_LEN);
+ current_ev = iwe_stream_add_event_check(info, current_ev, end_buf, &iwe,
+ IW_EV_ADDR_LEN);
+ if (IS_ERR(current_ev))
+ return current_ev;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = ieee80211_frequency_to_channel(bss->pub.channel->center_freq);
iwe.u.freq.e = 0;
- current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
- IW_EV_FREQ_LEN);
+ current_ev = iwe_stream_add_event_check(info, current_ev, end_buf, &iwe,
+ IW_EV_FREQ_LEN);
+ if (IS_ERR(current_ev))
+ return current_ev;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = bss->pub.channel->center_freq;
iwe.u.freq.e = 6;
- current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
- IW_EV_FREQ_LEN);
+ current_ev = iwe_stream_add_event_check(info, current_ev, end_buf, &iwe,
+ IW_EV_FREQ_LEN);
+ if (IS_ERR(current_ev))
+ return current_ev;
if (wiphy->signal_type != CFG80211_SIGNAL_TYPE_NONE) {
memset(&iwe, 0, sizeof(iwe));
@@ -1341,8 +1423,11 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
/* not reached */
break;
}
- current_ev = iwe_stream_add_event(info, current_ev, end_buf,
- &iwe, IW_EV_QUAL_LEN);
+ current_ev = iwe_stream_add_event_check(info, current_ev,
+ end_buf, &iwe,
+ IW_EV_QUAL_LEN);
+ if (IS_ERR(current_ev))
+ return current_ev;
}
memset(&iwe, 0, sizeof(iwe));
@@ -1352,8 +1437,10 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
- current_ev = iwe_stream_add_point(info, current_ev, end_buf,
- &iwe, "");
+ current_ev = iwe_stream_add_point_check(info, current_ev, end_buf,
+ &iwe, "");
+ if (IS_ERR(current_ev))
+ return current_ev;
rcu_read_lock();
ies = rcu_dereference(bss->pub.ies);
@@ -1371,66 +1458,91 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
iwe.cmd = SIOCGIWESSID;
iwe.u.data.length = ie[1];
iwe.u.data.flags = 1;
- current_ev = iwe_stream_add_point(info, current_ev, end_buf,
- &iwe, (u8 *)ie + 2);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf, &iwe,
+ (u8 *)ie + 2);
+ if (IS_ERR(current_ev))
+ goto unlock;
break;
case WLAN_EID_MESH_ID:
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWESSID;
iwe.u.data.length = ie[1];
iwe.u.data.flags = 1;
- current_ev = iwe_stream_add_point(info, current_ev, end_buf,
- &iwe, (u8 *)ie + 2);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf, &iwe,
+ (u8 *)ie + 2);
+ if (IS_ERR(current_ev))
+ goto unlock;
break;
case WLAN_EID_MESH_CONFIG:
ismesh = true;
if (ie[1] != sizeof(struct ieee80211_meshconf_ie))
break;
- buf = kmalloc(50, GFP_ATOMIC);
- if (!buf)
- break;
cfg = (u8 *)ie + 2;
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "Mesh Network Path Selection Protocol ID: "
"0x%02X", cfg[0]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Path Selection Metric ID: 0x%02X",
cfg[1]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Congestion Control Mode ID: 0x%02X",
cfg[2]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Synchronization ID: 0x%02X", cfg[3]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Authentication ID: 0x%02X", cfg[4]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Formation Info: 0x%02X", cfg[5]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
sprintf(buf, "Capabilities: 0x%02X", cfg[6]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf,
- &iwe, buf);
- kfree(buf);
+ current_ev = iwe_stream_add_point_check(info,
+ current_ev,
+ end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
break;
case WLAN_EID_SUPP_RATES:
case WLAN_EID_EXT_SUPP_RATES:
@@ -1445,8 +1557,14 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
for (i = 0; i < ie[1]; i++) {
iwe.u.bitrate.value =
((ie[i + 2] & 0x7f) * 500000);
+ tmp = p;
p = iwe_stream_add_value(info, current_ev, p,
- end_buf, &iwe, IW_EV_PARAM_LEN);
+ end_buf, &iwe,
+ IW_EV_PARAM_LEN);
+ if (p == tmp) {
+ current_ev = ERR_PTR(-E2BIG);
+ goto unlock;
+ }
}
current_ev = p;
break;
@@ -1465,31 +1583,35 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
- current_ev = iwe_stream_add_event(info, current_ev, end_buf,
- &iwe, IW_EV_UINT_LEN);
- }
-
- buf = kmalloc(31, GFP_ATOMIC);
- if (buf) {
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "tsf=%016llx", (unsigned long long)(ies->tsf));
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev, end_buf,
- &iwe, buf);
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, " Last beacon: %ums ago",
- elapsed_jiffies_msecs(bss->ts));
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(info, current_ev,
- end_buf, &iwe, buf);
- kfree(buf);
+ current_ev = iwe_stream_add_event_check(info, current_ev,
+ end_buf, &iwe,
+ IW_EV_UINT_LEN);
+ if (IS_ERR(current_ev))
+ goto unlock;
}
- ieee80211_scan_add_ies(info, ies, &current_ev, end_buf);
+ memset(&iwe, 0, sizeof(iwe));
+ iwe.cmd = IWEVCUSTOM;
+ sprintf(buf, "tsf=%016llx", (unsigned long long)(ies->tsf));
+ iwe.u.data.length = strlen(buf);
+ current_ev = iwe_stream_add_point_check(info, current_ev, end_buf,
+ &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
+ memset(&iwe, 0, sizeof(iwe));
+ iwe.cmd = IWEVCUSTOM;
+ sprintf(buf, " Last beacon: %ums ago",
+ elapsed_jiffies_msecs(bss->ts));
+ iwe.u.data.length = strlen(buf);
+ current_ev = iwe_stream_add_point_check(info, current_ev,
+ end_buf, &iwe, buf);
+ if (IS_ERR(current_ev))
+ goto unlock;
+
+ current_ev = ieee80211_scan_add_ies(info, ies, current_ev, end_buf);
+
+ unlock:
rcu_read_unlock();
-
return current_ev;
}
@@ -1501,19 +1623,27 @@ static int ieee80211_scan_results(struct cfg80211_registered_device *rdev,
char *current_ev = buf;
char *end_buf = buf + len;
struct cfg80211_internal_bss *bss;
+ int err = 0;
spin_lock_bh(&rdev->bss_lock);
cfg80211_bss_expire(rdev);
list_for_each_entry(bss, &rdev->bss_list, list) {
if (buf + len - current_ev <= IW_EV_ADDR_LEN) {
- spin_unlock_bh(&rdev->bss_lock);
- return -E2BIG;
+ err = -E2BIG;
+ break;
}
current_ev = ieee80211_bss(&rdev->wiphy, info, bss,
current_ev, end_buf);
+ if (IS_ERR(current_ev)) {
+ err = PTR_ERR(current_ev);
+ break;
+ }
}
spin_unlock_bh(&rdev->bss_lock);
+
+ if (err)
+ return err;
return current_ev - buf;
}
@@ -1545,5 +1675,5 @@ int cfg80211_wext_giwscan(struct net_device *dev,
return res;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwscan);
#endif
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0ab3711c79a0..d11454f87bac 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -42,7 +42,7 @@ struct cfg80211_conn {
CFG80211_CONN_CONNECTED,
} state;
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
- u8 *ie;
+ const u8 *ie;
size_t ie_len;
bool auto_auth, prev_bssid_valid;
};
@@ -257,19 +257,15 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct cfg80211_bss *bss;
- u16 capa = WLAN_CAPABILITY_ESS;
ASSERT_WDEV_LOCK(wdev);
- if (wdev->conn->params.privacy)
- capa |= WLAN_CAPABILITY_PRIVACY;
-
bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel,
wdev->conn->params.bssid,
wdev->conn->params.ssid,
wdev->conn->params.ssid_len,
- WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
- capa);
+ IEEE80211_BSS_TYPE_ESS,
+ IEEE80211_PRIVACY(wdev->conn->params.privacy));
if (!bss)
return NULL;
@@ -427,6 +423,62 @@ void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
schedule_work(&rdev->conn_work);
}
+static int cfg80211_sme_get_conn_ies(struct wireless_dev *wdev,
+ const u8 *ies, size_t ies_len,
+ const u8 **out_ies, size_t *out_ies_len)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ u8 *buf;
+ size_t offs;
+
+ if (!rdev->wiphy.extended_capabilities_len ||
+ (ies && cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY, ies, ies_len))) {
+ *out_ies = kmemdup(ies, ies_len, GFP_KERNEL);
+ if (!*out_ies)
+ return -ENOMEM;
+ *out_ies_len = ies_len;
+ return 0;
+ }
+
+ buf = kmalloc(ies_len + rdev->wiphy.extended_capabilities_len + 2,
+ GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ if (ies_len) {
+ static const u8 before_extcapa[] = {
+ /* not listing IEs expected to be created by driver */
+ WLAN_EID_RSN,
+ WLAN_EID_QOS_CAPA,
+ WLAN_EID_RRM_ENABLED_CAPABILITIES,
+ WLAN_EID_MOBILITY_DOMAIN,
+ WLAN_EID_SUPPORTED_REGULATORY_CLASSES,
+ WLAN_EID_BSS_COEX_2040,
+ };
+
+ offs = ieee80211_ie_split(ies, ies_len, before_extcapa,
+ ARRAY_SIZE(before_extcapa), 0);
+ memcpy(buf, ies, offs);
+ /* leave a whole for extended capabilities IE */
+ memcpy(buf + offs + rdev->wiphy.extended_capabilities_len + 2,
+ ies + offs, ies_len - offs);
+ } else {
+ offs = 0;
+ }
+
+ /* place extended capabilities IE (with only driver capabilities) */
+ buf[offs] = WLAN_EID_EXT_CAPABILITY;
+ buf[offs + 1] = rdev->wiphy.extended_capabilities_len;
+ memcpy(buf + offs + 2,
+ rdev->wiphy.extended_capabilities,
+ rdev->wiphy.extended_capabilities_len);
+
+ *out_ies = buf;
+ *out_ies_len = ies_len + rdev->wiphy.extended_capabilities_len + 2;
+
+ return 0;
+}
+
static int cfg80211_sme_connect(struct wireless_dev *wdev,
struct cfg80211_connect_params *connect,
const u8 *prev_bssid)
@@ -457,16 +509,14 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev,
memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN);
}
- if (connect->ie) {
- wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
- GFP_KERNEL);
- wdev->conn->params.ie = wdev->conn->ie;
- if (!wdev->conn->ie) {
- kfree(wdev->conn);
- wdev->conn = NULL;
- return -ENOMEM;
- }
+ if (cfg80211_sme_get_conn_ies(wdev, connect->ie, connect->ie_len,
+ &wdev->conn->ie,
+ &wdev->conn->params.ie_len)) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
+ return -ENOMEM;
}
+ wdev->conn->params.ie = wdev->conn->ie;
if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
wdev->conn->auto_auth = true;
@@ -637,8 +687,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
WARN_ON_ONCE(!wiphy_to_rdev(wdev->wiphy)->ops->connect);
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
- WLAN_CAPABILITY_ESS,
- WLAN_CAPABILITY_ESS);
+ IEEE80211_BSS_TYPE_ESS,
+ IEEE80211_PRIVACY_ANY);
if (bss)
cfg80211_hold_bss(bss_from_pub(bss));
}
@@ -795,8 +845,8 @@ void cfg80211_roamed(struct net_device *dev,
struct cfg80211_bss *bss;
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid,
- wdev->ssid_len, WLAN_CAPABILITY_ESS,
- WLAN_CAPABILITY_ESS);
+ wdev->ssid_len,
+ IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
if (WARN_ON(!bss))
return;
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index b17b3692f8c2..af3617c9879e 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -7,6 +7,7 @@
#include <linux/tracepoint.h>
#include <linux/rtnetlink.h>
+#include <linux/etherdevice.h>
#include <net/cfg80211.h>
#include "core.h"
@@ -15,7 +16,7 @@
if (given_mac) \
memcpy(__entry->entry_mac, given_mac, ETH_ALEN); \
else \
- memset(__entry->entry_mac, 0, ETH_ALEN); \
+ eth_zero_addr(__entry->entry_mac); \
} while (0)
#define MAC_PR_FMT "%pM"
#define MAC_PR_ARG(entry_mac) (__entry->entry_mac)
@@ -627,6 +628,7 @@ DECLARE_EVENT_CLASS(station_add_change,
__field(u8, plink_state)
__field(u8, uapsd_queues)
__array(u8, ht_capa, (int)sizeof(struct ieee80211_ht_cap))
+ __array(char, vlan, IFNAMSIZ)
),
TP_fast_assign(
WIPHY_ASSIGN;
@@ -644,16 +646,19 @@ DECLARE_EVENT_CLASS(station_add_change,
if (params->ht_capa)
memcpy(__entry->ht_capa, params->ht_capa,
sizeof(struct ieee80211_ht_cap));
+ memset(__entry->vlan, 0, sizeof(__entry->vlan));
+ if (params->vlan)
+ memcpy(__entry->vlan, params->vlan->name, IFNAMSIZ);
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT
", station flags mask: %u, station flags set: %u, "
"station modify mask: %u, listen interval: %d, aid: %u, "
- "plink action: %u, plink state: %u, uapsd queues: %u",
+ "plink action: %u, plink state: %u, uapsd queues: %u, vlan:%s",
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac),
__entry->sta_flags_mask, __entry->sta_flags_set,
__entry->sta_modify_mask, __entry->listen_interval,
__entry->aid, __entry->plink_action, __entry->plink_state,
- __entry->uapsd_queues)
+ __entry->uapsd_queues, __entry->vlan)
);
DEFINE_EVENT(station_add_change, rdev_add_station,
@@ -1077,7 +1082,7 @@ TRACE_EVENT(rdev_auth,
if (req->bss)
MAC_ASSIGN(bssid, req->bss->bssid);
else
- memset(__entry->bssid, 0, ETH_ALEN);
+ eth_zero_addr(__entry->bssid);
__entry->auth_type = req->auth_type;
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", auth type: %d, bssid: " MAC_PR_FMT,
@@ -1103,7 +1108,7 @@ TRACE_EVENT(rdev_assoc,
if (req->bss)
MAC_ASSIGN(bssid, req->bss->bssid);
else
- memset(__entry->bssid, 0, ETH_ALEN);
+ eth_zero_addr(__entry->bssid);
MAC_ASSIGN(prev_bssid, req->prev_bssid);
__entry->use_mfp = req->use_mfp;
__entry->flags = req->flags;
@@ -1153,7 +1158,7 @@ TRACE_EVENT(rdev_disassoc,
if (req->bss)
MAC_ASSIGN(bssid, req->bss->bssid);
else
- memset(__entry->bssid, 0, ETH_ALEN);
+ eth_zero_addr(__entry->bssid);
__entry->reason_code = req->reason_code;
__entry->local_state_change = req->local_state_change;
),
@@ -2636,28 +2641,30 @@ DEFINE_EVENT(wiphy_only_evt, cfg80211_sched_scan_stopped,
TRACE_EVENT(cfg80211_get_bss,
TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *channel,
const u8 *bssid, const u8 *ssid, size_t ssid_len,
- u16 capa_mask, u16 capa_val),
- TP_ARGS(wiphy, channel, bssid, ssid, ssid_len, capa_mask, capa_val),
+ enum ieee80211_bss_type bss_type,
+ enum ieee80211_privacy privacy),
+ TP_ARGS(wiphy, channel, bssid, ssid, ssid_len, bss_type, privacy),
TP_STRUCT__entry(
WIPHY_ENTRY
CHAN_ENTRY
MAC_ENTRY(bssid)
__dynamic_array(u8, ssid, ssid_len)
- __field(u16, capa_mask)
- __field(u16, capa_val)
+ __field(enum ieee80211_bss_type, bss_type)
+ __field(enum ieee80211_privacy, privacy)
),
TP_fast_assign(
WIPHY_ASSIGN;
CHAN_ASSIGN(channel);
MAC_ASSIGN(bssid, bssid);
memcpy(__get_dynamic_array(ssid), ssid, ssid_len);
- __entry->capa_mask = capa_mask;
- __entry->capa_val = capa_val;
- ),
- TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT ", " MAC_PR_FMT ", buf: %#.2x, "
- "capa_mask: %d, capa_val: %u", WIPHY_PR_ARG, CHAN_PR_ARG,
- MAC_PR_ARG(bssid), ((u8 *)__get_dynamic_array(ssid))[0],
- __entry->capa_mask, __entry->capa_val)
+ __entry->bss_type = bss_type;
+ __entry->privacy = privacy;
+ ),
+ TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT ", " MAC_PR_FMT
+ ", buf: %#.2x, bss_type: %d, privacy: %d",
+ WIPHY_PR_ARG, CHAN_PR_ARG, MAC_PR_ARG(bssid),
+ ((u8 *)__get_dynamic_array(ssid))[0], __entry->bss_type,
+ __entry->privacy)
);
TRACE_EVENT(cfg80211_inform_bss_width_frame,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6903dbdcb8c1..70051ab52f4f 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1290,12 +1290,54 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
}
EXPORT_SYMBOL(cfg80211_get_p2p_attr);
+static bool ieee80211_id_in_list(const u8 *ids, int n_ids, u8 id)
+{
+ int i;
+
+ for (i = 0; i < n_ids; i++)
+ if (ids[i] == id)
+ return true;
+ return false;
+}
+
+size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
+ const u8 *ids, int n_ids,
+ const u8 *after_ric, int n_after_ric,
+ size_t offset)
+{
+ size_t pos = offset;
+
+ while (pos < ielen && ieee80211_id_in_list(ids, n_ids, ies[pos])) {
+ if (ies[pos] == WLAN_EID_RIC_DATA && n_after_ric) {
+ pos += 2 + ies[pos + 1];
+
+ while (pos < ielen &&
+ !ieee80211_id_in_list(after_ric, n_after_ric,
+ ies[pos]))
+ pos += 2 + ies[pos + 1];
+ } else {
+ pos += 2 + ies[pos + 1];
+ }
+ }
+
+ return pos;
+}
+EXPORT_SYMBOL(ieee80211_ie_split_ric);
+
+size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
+ const u8 *ids, int n_ids, size_t offset)
+{
+ return ieee80211_ie_split_ric(ies, ielen, ids, n_ids, NULL, 0, offset);
+}
+EXPORT_SYMBOL(ieee80211_ie_split);
+
bool ieee80211_operating_class_to_band(u8 operating_class,
enum ieee80211_band *band)
{
switch (operating_class) {
case 112:
case 115 ... 127:
+ case 128 ... 130:
*band = IEEE80211_BAND_5GHZ;
return true;
case 81:
@@ -1313,6 +1355,135 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
}
EXPORT_SYMBOL(ieee80211_operating_class_to_band);
+bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
+ u8 *op_class)
+{
+ u8 vht_opclass;
+ u16 freq = chandef->center_freq1;
+
+ if (freq >= 2412 && freq <= 2472) {
+ if (chandef->width > NL80211_CHAN_WIDTH_40)
+ return false;
+
+ /* 2.407 GHz, channels 1..13 */
+ if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ if (freq > chandef->chan->center_freq)
+ *op_class = 83; /* HT40+ */
+ else
+ *op_class = 84; /* HT40- */
+ } else {
+ *op_class = 81;
+ }
+
+ return true;
+ }
+
+ if (freq == 2484) {
+ if (chandef->width > NL80211_CHAN_WIDTH_40)
+ return false;
+
+ *op_class = 82; /* channel 14 */
+ return true;
+ }
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_80:
+ vht_opclass = 128;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ vht_opclass = 129;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ vht_opclass = 130;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ case NL80211_CHAN_WIDTH_5:
+ return false; /* unsupported for now */
+ default:
+ vht_opclass = 0;
+ break;
+ }
+
+ /* 5 GHz, channels 36..48 */
+ if (freq >= 5180 && freq <= 5240) {
+ if (vht_opclass) {
+ *op_class = vht_opclass;
+ } else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ if (freq > chandef->chan->center_freq)
+ *op_class = 116;
+ else
+ *op_class = 117;
+ } else {
+ *op_class = 115;
+ }
+
+ return true;
+ }
+
+ /* 5 GHz, channels 52..64 */
+ if (freq >= 5260 && freq <= 5320) {
+ if (vht_opclass) {
+ *op_class = vht_opclass;
+ } else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ if (freq > chandef->chan->center_freq)
+ *op_class = 119;
+ else
+ *op_class = 120;
+ } else {
+ *op_class = 118;
+ }
+
+ return true;
+ }
+
+ /* 5 GHz, channels 100..144 */
+ if (freq >= 5500 && freq <= 5720) {
+ if (vht_opclass) {
+ *op_class = vht_opclass;
+ } else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ if (freq > chandef->chan->center_freq)
+ *op_class = 122;
+ else
+ *op_class = 123;
+ } else {
+ *op_class = 121;
+ }
+
+ return true;
+ }
+
+ /* 5 GHz, channels 149..169 */
+ if (freq >= 5745 && freq <= 5845) {
+ if (vht_opclass) {
+ *op_class = vht_opclass;
+ } else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+ if (freq > chandef->chan->center_freq)
+ *op_class = 126;
+ else
+ *op_class = 127;
+ } else if (freq <= 5805) {
+ *op_class = 124;
+ } else {
+ *op_class = 125;
+ }
+
+ return true;
+ }
+
+ /* 56.16 GHz, channel 1..4 */
+ if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 4) {
+ if (chandef->width >= NL80211_CHAN_WIDTH_40)
+ return false;
+
+ *op_class = 180;
+ return true;
+ }
+
+ /* not supported yet */
+ return false;
+}
+EXPORT_SYMBOL(ieee80211_chandef_to_operating_class);
+
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int)
{
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 5b24d39d7903..fff1bef6ed6d 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -63,7 +63,7 @@ int cfg80211_wext_giwname(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwname);
int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
u32 *mode, char *extra)
@@ -99,7 +99,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
return cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
+EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode);
int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
u32 *mode, char *extra)
@@ -134,7 +134,7 @@ int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
}
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode);
int cfg80211_wext_giwrange(struct net_device *dev,
@@ -248,7 +248,7 @@ int cfg80211_wext_giwrange(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange);
/**
@@ -303,7 +303,7 @@ int cfg80211_wext_siwrts(struct net_device *dev,
return err;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
+EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts);
int cfg80211_wext_giwrts(struct net_device *dev,
struct iw_request_info *info,
@@ -317,7 +317,7 @@ int cfg80211_wext_giwrts(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts);
int cfg80211_wext_siwfrag(struct net_device *dev,
struct iw_request_info *info,
@@ -343,7 +343,7 @@ int cfg80211_wext_siwfrag(struct net_device *dev,
return err;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
+EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag);
int cfg80211_wext_giwfrag(struct net_device *dev,
struct iw_request_info *info,
@@ -357,7 +357,7 @@ int cfg80211_wext_giwfrag(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag);
static int cfg80211_wext_siwretry(struct net_device *dev,
struct iw_request_info *info,
@@ -427,7 +427,7 @@ int cfg80211_wext_giwretry(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
+EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry);
static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool pairwise,
diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h
index ebcacca2f731..94c7405a5413 100644
--- a/net/wireless/wext-compat.h
+++ b/net/wireless/wext-compat.h
@@ -4,6 +4,12 @@
#include <net/iw_handler.h>
#include <linux/wireless.h>
+#ifdef CONFIG_CFG80211_WEXT_EXPORT
+#define EXPORT_WEXT_HANDLER(h) EXPORT_SYMBOL_GPL(h)
+#else
+#define EXPORT_WEXT_HANDLER(h)
+#endif /* CONFIG_CFG80211_WEXT_EXPORT */
+
int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *freq, char *extra);
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 368611c05739..a4e8af3321d2 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -322,7 +322,7 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
if (wdev->current_bss)
memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
else
- memset(ap_addr->sa_data, 0, ETH_ALEN);
+ eth_zero_addr(ap_addr->sa_data);
wdev_unlock(wdev);
return 0;
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