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-rw-r--r--net/wireless/Kconfig10
-rw-r--r--net/wireless/core.c6
-rw-r--r--net/wireless/core.h1
-rw-r--r--net/wireless/nl80211.c529
-rw-r--r--net/wireless/reg.c300
-rw-r--r--net/wireless/scan.c61
-rw-r--r--net/wireless/trace.h22
7 files changed, 680 insertions, 249 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 4f5543dd2..da72ed32f 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -174,6 +174,16 @@ config CFG80211_INTERNAL_REGDB
Most distributions have a CRDA package. So if unsure, say N.
+config CFG80211_CRDA_SUPPORT
+ bool "support CRDA" if CFG80211_INTERNAL_REGDB
+ default y
+ depends on CFG80211
+ help
+ You should enable this option unless you know for sure you have no
+ need for it, for example when using internal regdb (above.)
+
+ If unsure, say Y.
+
config CFG80211_WEXT
bool "cfg80211 wireless extensions compatibility" if !CFG80211_WEXT_EXPORT
depends on CFG80211
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 3893409de..b09155156 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -419,6 +419,7 @@ use_default_name:
device_initialize(&rdev->wiphy.dev);
rdev->wiphy.dev.class = &ieee80211_class;
rdev->wiphy.dev.platform_data = rdev;
+ device_enable_async_suspend(&rdev->wiphy.dev);
INIT_LIST_HEAD(&rdev->destroy_list);
spin_lock_init(&rdev->destroy_list_lock);
@@ -460,6 +461,9 @@ use_default_name:
rdev->wiphy.max_num_csa_counters = 1;
+ rdev->wiphy.max_sched_scan_plans = 1;
+ rdev->wiphy.max_sched_scan_plan_interval = U32_MAX;
+
return &rdev->wiphy;
}
EXPORT_SYMBOL(wiphy_new_nm);
@@ -635,7 +639,7 @@ int wiphy_register(struct wiphy *wiphy)
if (WARN_ON(!sband->n_channels))
return -EINVAL;
/*
- * on 60gHz band, there are no legacy rates, so
+ * on 60GHz band, there are no legacy rates, so
* n_bitrates is 0
*/
if (WARN_ON(band != IEEE80211_BAND_60GHZ &&
diff --git a/net/wireless/core.h b/net/wireless/core.h
index b9d5bc8c1..a618b4b86 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -137,6 +137,7 @@ struct cfg80211_internal_bss {
struct list_head list;
struct list_head hidden_list;
struct rb_node rbn;
+ u64 ts_boottime;
unsigned long ts;
unsigned long refcount;
atomic_t hold;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 6a1040daa..75b0d23ee 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3,6 +3,7 @@
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright 2015 Intel Deutschland GmbH
*/
#include <linux/if.h>
@@ -478,6 +479,12 @@ nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
};
+static const struct nla_policy
+nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
+ [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
+};
+
static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct cfg80211_registered_device **rdev,
@@ -1303,7 +1310,13 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
rdev->wiphy.max_sched_scan_ie_len) ||
nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
- rdev->wiphy.max_match_sets))
+ rdev->wiphy.max_match_sets) ||
+ nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
+ rdev->wiphy.max_sched_scan_plans) ||
+ nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
+ rdev->wiphy.max_sched_scan_plan_interval) ||
+ nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
+ rdev->wiphy.max_sched_scan_plan_iterations))
goto nla_put_failure;
if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
@@ -2403,6 +2416,16 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
}
}
+ if (rdev->ops->get_tx_power) {
+ int dbm, ret;
+
+ ret = rdev_get_tx_power(rdev, wdev, &dbm);
+ if (ret == 0 &&
+ nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
+ DBM_TO_MBM(dbm)))
+ goto nla_put_failure;
+ }
+
if (wdev->ssid_len) {
if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
goto nla_put_failure;
@@ -3945,10 +3968,13 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
struct station_parameters *params,
enum cfg80211_station_type statype)
{
- if (params->listen_interval != -1)
+ if (params->listen_interval != -1 &&
+ statype != CFG80211_STA_AP_CLIENT_UNASSOC)
return -EINVAL;
+
if (params->aid &&
- !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
+ !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
+ statype != CFG80211_STA_AP_CLIENT_UNASSOC)
return -EINVAL;
/* When you run into this, adjust the code below for the new flag */
@@ -3998,7 +4024,8 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
}
- if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
+ if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
+ statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
/* reject other things that can't change */
if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
return -EINVAL;
@@ -4010,7 +4037,8 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
return -EINVAL;
}
- if (statype != CFG80211_STA_AP_CLIENT) {
+ if (statype != CFG80211_STA_AP_CLIENT &&
+ statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
if (params->vlan)
return -EINVAL;
}
@@ -4022,6 +4050,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
return -EOPNOTSUPP;
break;
case CFG80211_STA_AP_CLIENT:
+ case CFG80211_STA_AP_CLIENT_UNASSOC:
/* accept only the listed bits */
if (params->sta_flags_mask &
~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
@@ -4219,13 +4248,22 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
memset(&params, 0, sizeof(params));
- params.listen_interval = -1;
-
if (!rdev->ops->change_station)
return -EOPNOTSUPP;
- if (info->attrs[NL80211_ATTR_STA_AID])
- return -EINVAL;
+ /*
+ * AID and listen_interval properties can be set only for unassociated
+ * station. Include these parameters here and will check them in
+ * cfg80211_check_station_change().
+ */
+ if (info->attrs[NL80211_ATTR_PEER_AID])
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
+
+ if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
+ params.listen_interval =
+ nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+ else
+ params.listen_interval = -1;
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
@@ -4252,9 +4290,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
}
- if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
- return -EINVAL;
-
if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
return -EINVAL;
@@ -4918,56 +4953,6 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
return err;
}
-static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
- [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
- [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
- [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
- [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
- [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
- [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
- [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
-};
-
-static int parse_reg_rule(struct nlattr *tb[],
- struct ieee80211_reg_rule *reg_rule)
-{
- struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
- struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
-
- if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
- return -EINVAL;
- if (!tb[NL80211_ATTR_FREQ_RANGE_START])
- return -EINVAL;
- if (!tb[NL80211_ATTR_FREQ_RANGE_END])
- return -EINVAL;
- if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
- return -EINVAL;
- if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
- return -EINVAL;
-
- reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
-
- freq_range->start_freq_khz =
- nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
- freq_range->end_freq_khz =
- nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
- freq_range->max_bandwidth_khz =
- nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
-
- power_rule->max_eirp =
- nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
-
- if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
- power_rule->max_antenna_gain =
- nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
-
- if (tb[NL80211_ATTR_DFS_CAC_TIME])
- reg_rule->dfs_cac_ms =
- nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
-
- return 0;
-}
-
static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
{
char *data = NULL;
@@ -5599,6 +5584,57 @@ out_err:
return err;
}
+#ifdef CONFIG_CFG80211_CRDA_SUPPORT
+static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
+ [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+ [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
+};
+
+static int parse_reg_rule(struct nlattr *tb[],
+ struct ieee80211_reg_rule *reg_rule)
+{
+ struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
+ struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
+
+ if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_START])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_END])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
+ return -EINVAL;
+
+ reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
+
+ freq_range->start_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
+ freq_range->end_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
+ freq_range->max_bandwidth_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
+
+ power_rule->max_eirp =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
+
+ if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
+ power_rule->max_antenna_gain =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
+
+ if (tb[NL80211_ATTR_DFS_CAC_TIME])
+ reg_rule->dfs_cac_ms =
+ nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
+
+ return 0;
+}
+
static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
@@ -5675,6 +5711,7 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
kfree(rd);
return r;
}
+#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
static int validate_scan_freqs(struct nlattr *freqs)
{
@@ -5960,14 +5997,100 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int
+nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
+ struct cfg80211_sched_scan_request *request,
+ struct nlattr **attrs)
+{
+ int tmp, err, i = 0;
+ struct nlattr *attr;
+
+ if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
+ u32 interval;
+
+ /*
+ * If scan plans are not specified,
+ * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
+ * case one scan plan will be set with the specified scan
+ * interval and infinite number of iterations.
+ */
+ if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return -EINVAL;
+
+ interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
+ if (!interval)
+ return -EINVAL;
+
+ request->scan_plans[0].interval =
+ DIV_ROUND_UP(interval, MSEC_PER_SEC);
+ if (!request->scan_plans[0].interval)
+ return -EINVAL;
+
+ if (request->scan_plans[0].interval >
+ wiphy->max_sched_scan_plan_interval)
+ request->scan_plans[0].interval =
+ wiphy->max_sched_scan_plan_interval;
+
+ return 0;
+ }
+
+ nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
+ struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
+
+ if (WARN_ON(i >= n_plans))
+ return -EINVAL;
+
+ err = nla_parse(plan, NL80211_SCHED_SCAN_PLAN_MAX,
+ nla_data(attr), nla_len(attr),
+ nl80211_plan_policy);
+ if (err)
+ return err;
+
+ if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
+ return -EINVAL;
+
+ request->scan_plans[i].interval =
+ nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
+ if (!request->scan_plans[i].interval ||
+ request->scan_plans[i].interval >
+ wiphy->max_sched_scan_plan_interval)
+ return -EINVAL;
+
+ if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
+ request->scan_plans[i].iterations =
+ nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
+ if (!request->scan_plans[i].iterations ||
+ (request->scan_plans[i].iterations >
+ wiphy->max_sched_scan_plan_iterations))
+ return -EINVAL;
+ } else if (i < n_plans - 1) {
+ /*
+ * All scan plans but the last one must specify
+ * a finite number of iterations
+ */
+ return -EINVAL;
+ }
+
+ i++;
+ }
+
+ /*
+ * The last scan plan must not specify the number of
+ * iterations, it is supposed to run infinitely
+ */
+ if (request->scan_plans[n_plans - 1].iterations)
+ return -EINVAL;
+
+ return 0;
+}
+
static struct cfg80211_sched_scan_request *
nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
struct nlattr **attrs)
{
struct cfg80211_sched_scan_request *request;
struct nlattr *attr;
- int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
- u32 interval;
+ int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
enum ieee80211_band band;
size_t ie_len;
struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
@@ -5976,13 +6099,6 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
return ERR_PTR(-EINVAL);
- if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
- return ERR_PTR(-EINVAL);
-
- interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
- if (interval == 0)
- return ERR_PTR(-EINVAL);
-
if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
n_channels = validate_scan_freqs(
attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
@@ -6046,9 +6162,37 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
if (ie_len > wiphy->max_sched_scan_ie_len)
return ERR_PTR(-EINVAL);
+ if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
+ /*
+ * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
+ * each scan plan already specifies its own interval
+ */
+ if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return ERR_PTR(-EINVAL);
+
+ nla_for_each_nested(attr,
+ attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
+ n_plans++;
+ } else {
+ /*
+ * The scan interval attribute is kept for backward
+ * compatibility. If no scan plans are specified and sched scan
+ * interval is specified, one scan plan will be set with this
+ * scan interval and infinite number of iterations.
+ */
+ if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return ERR_PTR(-EINVAL);
+
+ n_plans = 1;
+ }
+
+ if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
+ return ERR_PTR(-EINVAL);
+
request = kzalloc(sizeof(*request)
+ sizeof(*request->ssids) * n_ssids
+ sizeof(*request->match_sets) * n_match_sets
+ + sizeof(*request->scan_plans) * n_plans
+ sizeof(*request->channels) * n_channels
+ ie_len, GFP_KERNEL);
if (!request)
@@ -6076,6 +6220,18 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
}
request->n_match_sets = n_match_sets;
+ if (n_match_sets)
+ request->scan_plans = (void *)(request->match_sets +
+ n_match_sets);
+ else if (request->ie)
+ request->scan_plans = (void *)(request->ie + ie_len);
+ else if (n_ssids)
+ request->scan_plans = (void *)(request->ssids + n_ssids);
+ else
+ request->scan_plans = (void *)(request->channels + n_channels);
+
+ request->n_scan_plans = n_plans;
+
i = 0;
if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
/* user specified, bail out if channel not found */
@@ -6238,7 +6394,10 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
request->delay =
nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
- request->interval = interval;
+ err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
+ if (err)
+ goto out_free;
+
request->scan_start = jiffies;
return request;
@@ -6591,6 +6750,11 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
jiffies_to_msecs(jiffies - intbss->ts)))
goto nla_put_failure;
+ if (intbss->ts_boottime &&
+ nla_put_u64(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
+ intbss->ts_boottime))
+ goto nla_put_failure;
+
switch (rdev->wiphy.signal_type) {
case CFG80211_SIGNAL_TYPE_MBM:
if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
@@ -7777,8 +7941,10 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
if (!(rdev->wiphy.features &
NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
- !(rdev->wiphy.features & NL80211_FEATURE_QUIET))
+ !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) {
+ kzfree(connkeys);
return -EINVAL;
+ }
connect.flags |= ASSOC_REQ_USE_RRM;
}
@@ -8831,7 +8997,7 @@ static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
static int nl80211_send_wowlan_nd(struct sk_buff *msg,
struct cfg80211_sched_scan_request *req)
{
- struct nlattr *nd, *freqs, *matches, *match;
+ struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
int i;
if (!req)
@@ -8841,7 +9007,9 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
if (!nd)
return -ENOBUFS;
- if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, req->interval))
+ if (req->n_scan_plans == 1 &&
+ nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
+ req->scan_plans[0].interval * 1000))
return -ENOBUFS;
if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
@@ -8868,6 +9036,23 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
nla_nest_end(msg, matches);
}
+ scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
+ if (!scan_plans)
+ return -ENOBUFS;
+
+ for (i = 0; i < req->n_scan_plans; i++) {
+ scan_plan = nla_nest_start(msg, i + 1);
+ if (!scan_plan ||
+ nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
+ req->scan_plans[i].interval) ||
+ (req->scan_plans[i].iterations &&
+ nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
+ req->scan_plans[i].iterations)))
+ return -ENOBUFS;
+ nla_nest_end(msg, scan_plan);
+ }
+ nla_nest_end(msg, scan_plans);
+
nla_nest_end(msg, nd);
return 0;
@@ -9320,6 +9505,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (new_triggers.tcp && new_triggers.tcp->sock)
sock_release(new_triggers.tcp->sock);
kfree(new_triggers.tcp);
+ kfree(new_triggers.nd_config);
return err;
}
#endif
@@ -9938,6 +10124,9 @@ static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
if (!wdev->netdev && !wdev->p2p_started)
return -ENETDOWN;
}
+
+ if (!vcmd->doit)
+ return -EOPNOTSUPP;
} else {
wdev = NULL;
}
@@ -9957,6 +10146,193 @@ static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
}
+static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct cfg80211_registered_device **rdev,
+ struct wireless_dev **wdev)
+{
+ u32 vid, subcmd;
+ unsigned int i;
+ int vcmd_idx = -1;
+ int err;
+ void *data = NULL;
+ unsigned int data_len = 0;
+
+ rtnl_lock();
+
+ if (cb->args[0]) {
+ /* subtract the 1 again here */
+ struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
+ struct wireless_dev *tmp;
+
+ if (!wiphy) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ *rdev = wiphy_to_rdev(wiphy);
+ *wdev = NULL;
+
+ if (cb->args[1]) {
+ list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
+ if (tmp->identifier == cb->args[1] - 1) {
+ *wdev = tmp;
+ break;
+ }
+ }
+ }
+
+ /* keep rtnl locked in successful case */
+ return 0;
+ }
+
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ goto out_unlock;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID] ||
+ !nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
+ *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk),
+ nl80211_fam.attrbuf);
+ if (IS_ERR(*wdev))
+ *wdev = NULL;
+
+ *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
+ nl80211_fam.attrbuf);
+ if (IS_ERR(*rdev)) {
+ err = PTR_ERR(*rdev);
+ goto out_unlock;
+ }
+
+ vid = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID]);
+ subcmd = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
+
+ for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
+ const struct wiphy_vendor_command *vcmd;
+
+ vcmd = &(*rdev)->wiphy.vendor_commands[i];
+
+ if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
+ continue;
+
+ if (!vcmd->dumpit) {
+ err = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
+ vcmd_idx = i;
+ break;
+ }
+
+ if (vcmd_idx < 0) {
+ err = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
+ if (nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]) {
+ data = nla_data(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]);
+ data_len = nla_len(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]);
+ }
+
+ /* 0 is the first index - add 1 to parse only once */
+ cb->args[0] = (*rdev)->wiphy_idx + 1;
+ /* add 1 to know if it was NULL */
+ cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
+ cb->args[2] = vcmd_idx;
+ cb->args[3] = (unsigned long)data;
+ cb->args[4] = data_len;
+
+ /* keep rtnl locked in successful case */
+ return 0;
+ out_unlock:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+ unsigned int vcmd_idx;
+ const struct wiphy_vendor_command *vcmd;
+ void *data;
+ int data_len;
+ int err;
+ struct nlattr *vendor_data;
+
+ err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
+ if (err)
+ return err;
+
+ vcmd_idx = cb->args[2];
+ data = (void *)cb->args[3];
+ data_len = cb->args[4];
+ vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
+
+ if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
+ WIPHY_VENDOR_CMD_NEED_NETDEV)) {
+ if (!wdev)
+ return -EINVAL;
+ if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
+ !wdev->netdev)
+ return -EINVAL;
+
+ if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
+ if (wdev->netdev &&
+ !netif_running(wdev->netdev))
+ return -ENETDOWN;
+ if (!wdev->netdev && !wdev->p2p_started)
+ return -ENETDOWN;
+ }
+ }
+
+ while (1) {
+ void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ NL80211_CMD_VENDOR);
+ if (!hdr)
+ break;
+
+ if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ (wdev && nla_put_u64(skb, NL80211_ATTR_WDEV,
+ wdev_id(wdev)))) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA);
+ if (!vendor_data) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
+ (unsigned long *)&cb->args[5]);
+ nla_nest_end(skb, vendor_data);
+
+ if (err == -ENOBUFS || err == -ENOENT) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ } else if (err) {
+ genlmsg_cancel(skb, hdr);
+ goto out;
+ }
+
+ genlmsg_end(skb, hdr);
+ }
+
+ err = skb->len;
+ out:
+ rtnl_unlock();
+ return err;
+}
+
struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
enum nl80211_commands cmd,
enum nl80211_attrs attr,
@@ -10533,6 +10909,7 @@ static const struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_RTNL,
/* can be retrieved by unprivileged users */
},
+#ifdef CONFIG_CFG80211_CRDA_SUPPORT
{
.cmd = NL80211_CMD_SET_REG,
.doit = nl80211_set_reg,
@@ -10540,6 +10917,7 @@ static const struct genl_ops nl80211_ops[] = {
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_RTNL,
},
+#endif
{
.cmd = NL80211_CMD_REQ_SET_REG,
.doit = nl80211_req_set_reg,
@@ -10994,6 +11372,7 @@ static const struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_VENDOR,
.doit = nl80211_vendor_cmd,
+ .dumpit = nl80211_vendor_cmd_dump,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WIPHY |
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2510b2314..06d050da0 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -135,10 +135,7 @@ 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 void restore_regulatory_settings(bool reset_user);
static const struct ieee80211_regdomain *get_cfg80211_regdom(void)
{
@@ -226,9 +223,6 @@ static DECLARE_DELAYED_WORK(reg_check_chans, reg_check_chans_work);
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 = 8,
@@ -262,7 +256,7 @@ static const struct ieee80211_regdomain world_regdom = {
REG_RULE(5745-10, 5825+10, 80, 6, 20,
NL80211_RRF_NO_IR),
- /* IEEE 802.11ad (60gHz), channels 1..3 */
+ /* IEEE 802.11ad (60GHz), channels 1..3 */
REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
}
};
@@ -279,6 +273,9 @@ MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
static void reg_free_request(struct regulatory_request *request)
{
+ if (request == &core_request_world)
+ return;
+
if (request != get_last_request())
kfree(request);
}
@@ -453,68 +450,70 @@ reg_copy_regd(const struct ieee80211_regdomain *src_regd)
}
#ifdef CONFIG_CFG80211_INTERNAL_REGDB
-struct reg_regdb_search_request {
- char alpha2[2];
+struct reg_regdb_apply_request {
struct list_head list;
+ const struct ieee80211_regdomain *regdom;
};
-static LIST_HEAD(reg_regdb_search_list);
-static DEFINE_MUTEX(reg_regdb_search_mutex);
+static LIST_HEAD(reg_regdb_apply_list);
+static DEFINE_MUTEX(reg_regdb_apply_mutex);
-static void reg_regdb_search(struct work_struct *work)
+static void reg_regdb_apply(struct work_struct *work)
{
- struct reg_regdb_search_request *request;
- const struct ieee80211_regdomain *curdom, *regdom = NULL;
- int i;
+ struct reg_regdb_apply_request *request;
rtnl_lock();
- mutex_lock(&reg_regdb_search_mutex);
- while (!list_empty(&reg_regdb_search_list)) {
- request = list_first_entry(&reg_regdb_search_list,
- struct reg_regdb_search_request,
+ mutex_lock(&reg_regdb_apply_mutex);
+ while (!list_empty(&reg_regdb_apply_list)) {
+ request = list_first_entry(&reg_regdb_apply_list,
+ struct reg_regdb_apply_request,
list);
list_del(&request->list);
- for (i = 0; i < reg_regdb_size; i++) {
- curdom = reg_regdb[i];
-
- if (alpha2_equal(request->alpha2, curdom->alpha2)) {
- regdom = reg_copy_regd(curdom);
- break;
- }
- }
-
+ set_regdom(request->regdom, REGD_SOURCE_INTERNAL_DB);
kfree(request);
}
- mutex_unlock(&reg_regdb_search_mutex);
-
- if (!IS_ERR_OR_NULL(regdom))
- set_regdom(regdom, REGD_SOURCE_INTERNAL_DB);
+ mutex_unlock(&reg_regdb_apply_mutex);
rtnl_unlock();
}
-static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
+static DECLARE_WORK(reg_regdb_work, reg_regdb_apply);
-static void reg_regdb_query(const char *alpha2)
+static int reg_query_builtin(const char *alpha2)
{
- struct reg_regdb_search_request *request;
+ const struct ieee80211_regdomain *regdom = NULL;
+ struct reg_regdb_apply_request *request;
+ unsigned int i;
- if (!alpha2)
- return;
+ for (i = 0; i < reg_regdb_size; i++) {
+ if (alpha2_equal(alpha2, reg_regdb[i]->alpha2)) {
+ regdom = reg_regdb[i];
+ break;
+ }
+ }
+
+ if (!regdom)
+ return -ENODATA;
- request = kzalloc(sizeof(struct reg_regdb_search_request), GFP_KERNEL);
+ request = kzalloc(sizeof(struct reg_regdb_apply_request), GFP_KERNEL);
if (!request)
- return;
+ return -ENOMEM;
- memcpy(request->alpha2, alpha2, 2);
+ request->regdom = reg_copy_regd(regdom);
+ if (IS_ERR_OR_NULL(request->regdom)) {
+ kfree(request);
+ return -ENOMEM;
+ }
- mutex_lock(&reg_regdb_search_mutex);
- list_add_tail(&request->list, &reg_regdb_search_list);
- mutex_unlock(&reg_regdb_search_mutex);
+ mutex_lock(&reg_regdb_apply_mutex);
+ list_add_tail(&request->list, &reg_regdb_apply_list);
+ mutex_unlock(&reg_regdb_apply_mutex);
schedule_work(&reg_regdb_work);
+
+ return 0;
}
/* Feel free to add any other sanity checks here */
@@ -525,9 +524,45 @@ static void reg_regdb_size_check(void)
}
#else
static inline void reg_regdb_size_check(void) {}
-static inline void reg_regdb_query(const char *alpha2) {}
+static inline int reg_query_builtin(const char *alpha2)
+{
+ return -ENODATA;
+}
#endif /* CONFIG_CFG80211_INTERNAL_REGDB */
+#ifdef CONFIG_CFG80211_CRDA_SUPPORT
+/* Max number of consecutive attempts to communicate with CRDA */
+#define REG_MAX_CRDA_TIMEOUTS 10
+
+static u32 reg_crda_timeouts;
+
+static void crda_timeout_work(struct work_struct *work);
+static DECLARE_DELAYED_WORK(crda_timeout, crda_timeout_work);
+
+static void crda_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();
+}
+
+static void cancel_crda_timeout(void)
+{
+ cancel_delayed_work(&crda_timeout);
+}
+
+static void cancel_crda_timeout_sync(void)
+{
+ cancel_delayed_work_sync(&crda_timeout);
+}
+
+static void reset_crda_timeouts(void)
+{
+ reg_crda_timeouts = 0;
+}
+
/*
* This lets us keep regulatory code which is updated on a regulatory
* basis in userspace.
@@ -536,13 +571,11 @@ static int call_crda(const char *alpha2)
{
char country[12];
char *env[] = { country, NULL };
+ int ret;
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_debug("Exceeded CRDA call max attempts. Not calling CRDA\n");
return -EINVAL;
@@ -554,18 +587,34 @@ static int call_crda(const char *alpha2)
else
pr_debug("Calling CRDA to update world regulatory domain\n");
- return kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, env);
+ ret = kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, env);
+ if (ret)
+ return ret;
+
+ queue_delayed_work(system_power_efficient_wq,
+ &crda_timeout, msecs_to_jiffies(3142));
+ return 0;
}
+#else
+static inline void cancel_crda_timeout(void) {}
+static inline void cancel_crda_timeout_sync(void) {}
+static inline void reset_crda_timeouts(void) {}
+static inline int call_crda(const char *alpha2)
+{
+ return -ENODATA;
+}
+#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
-static enum reg_request_treatment
-reg_call_crda(struct regulatory_request *request)
+static bool reg_query_database(struct regulatory_request *request)
{
- if (call_crda(request->alpha2))
- return REG_REQ_IGNORE;
+ /* query internal regulatory database (if it exists) */
+ if (reg_query_builtin(request->alpha2) == 0)
+ return true;
- queue_delayed_work(system_power_efficient_wq,
- &reg_timeout, msecs_to_jiffies(3142));
- return REG_REQ_OK;
+ if (call_crda(request->alpha2) == 0)
+ return true;
+
+ return false;
}
bool reg_is_valid_request(const char *alpha2)
@@ -1040,8 +1089,8 @@ freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
return ERR_PTR(-EINVAL);
}
-const struct ieee80211_reg_rule *__freq_reg_info(struct wiphy *wiphy,
- u32 center_freq, u32 min_bw)
+static const struct ieee80211_reg_rule *
+__freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 min_bw)
{
const struct ieee80211_regdomain *regd = reg_get_regdomain(wiphy);
const struct ieee80211_reg_rule *reg_rule = NULL;
@@ -1081,11 +1130,11 @@ const char *reg_initiator_name(enum nl80211_reg_initiator initiator)
}
EXPORT_SYMBOL(reg_initiator_name);
-#ifdef CONFIG_CFG80211_REG_DEBUG
static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
struct ieee80211_channel *chan,
const struct ieee80211_reg_rule *reg_rule)
{
+#ifdef CONFIG_CFG80211_REG_DEBUG
const struct ieee80211_power_rule *power_rule;
const struct ieee80211_freq_range *freq_range;
char max_antenna_gain[32], bw[32];
@@ -1096,7 +1145,7 @@ static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
if (!power_rule->max_antenna_gain)
snprintf(max_antenna_gain, sizeof(max_antenna_gain), "N/A");
else
- snprintf(max_antenna_gain, sizeof(max_antenna_gain), "%d",
+ snprintf(max_antenna_gain, sizeof(max_antenna_gain), "%d mBi",
power_rule->max_antenna_gain);
if (reg_rule->flags & NL80211_RRF_AUTO_BW)
@@ -1110,19 +1159,12 @@ static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
REG_DBG_PRINT("Updating information on frequency %d MHz with regulatory rule:\n",
chan->center_freq);
- REG_DBG_PRINT("%d KHz - %d KHz @ %s), (%s mBi, %d mBm)\n",
+ REG_DBG_PRINT("(%d KHz - %d KHz @ %s), (%s, %d mBm)\n",
freq_range->start_freq_khz, freq_range->end_freq_khz,
bw, max_antenna_gain,
power_rule->max_eirp);
-}
-#else
-static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
- struct ieee80211_channel *chan,
- const struct ieee80211_reg_rule *reg_rule)
-{
- return;
-}
#endif
+}
/*
* Note that right now we assume the desired channel bandwidth
@@ -1311,7 +1353,8 @@ static bool reg_dev_ignore_cell_hint(struct wiphy *wiphy)
return !(wiphy->features & NL80211_FEATURE_CELL_BASE_REG_HINTS);
}
#else
-static int reg_ignore_cell_hint(struct regulatory_request *pending_request)
+static enum reg_request_treatment
+reg_ignore_cell_hint(struct regulatory_request *pending_request)
{
return REG_REQ_IGNORE;
}
@@ -1846,7 +1889,7 @@ static void reg_set_request_processed(void)
need_more_processing = true;
spin_unlock(&reg_requests_lock);
- cancel_delayed_work(&reg_timeout);
+ cancel_crda_timeout();
if (need_more_processing)
schedule_work(&reg_work);
@@ -1858,19 +1901,18 @@ static void reg_set_request_processed(void)
*
* The wireless subsystem can use this function to process
* a regulatory request issued by the regulatory core.
- *
- * Returns one of the different reg request treatment values.
*/
static enum reg_request_treatment
reg_process_hint_core(struct regulatory_request *core_request)
{
+ if (reg_query_database(core_request)) {
+ core_request->intersect = false;
+ core_request->processed = false;
+ reg_update_last_request(core_request);
+ return REG_REQ_OK;
+ }
- core_request->intersect = false;
- core_request->processed = false;
-
- reg_update_last_request(core_request);
-
- return reg_call_crda(core_request);
+ return REG_REQ_IGNORE;
}
static enum reg_request_treatment
@@ -1915,8 +1957,6 @@ __reg_process_hint_user(struct regulatory_request *user_request)
*
* The wireless subsystem can use this function to process
* a regulatory request initiated by userspace.
- *
- * Returns one of the different reg request treatment values.
*/
static enum reg_request_treatment
reg_process_hint_user(struct regulatory_request *user_request)
@@ -1925,20 +1965,20 @@ 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) {
- reg_free_request(user_request);
- return treatment;
- }
+ treatment == REG_REQ_ALREADY_SET)
+ return REG_REQ_IGNORE;
user_request->intersect = treatment == REG_REQ_INTERSECT;
user_request->processed = false;
- reg_update_last_request(user_request);
-
- user_alpha2[0] = user_request->alpha2[0];
- user_alpha2[1] = user_request->alpha2[1];
+ if (reg_query_database(user_request)) {
+ reg_update_last_request(user_request);
+ user_alpha2[0] = user_request->alpha2[0];
+ user_alpha2[1] = user_request->alpha2[1];
+ return REG_REQ_OK;
+ }
- return reg_call_crda(user_request);
+ return REG_REQ_IGNORE;
}
static enum reg_request_treatment
@@ -1986,16 +2026,12 @@ reg_process_hint_driver(struct wiphy *wiphy,
case REG_REQ_OK:
break;
case REG_REQ_IGNORE:
- reg_free_request(driver_request);
- return treatment;
+ return REG_REQ_IGNORE;
case REG_REQ_INTERSECT:
- /* fall through */
case REG_REQ_ALREADY_SET:
regd = reg_copy_regd(get_cfg80211_regdom());
- if (IS_ERR(regd)) {
- reg_free_request(driver_request);
+ if (IS_ERR(regd))
return REG_REQ_IGNORE;
- }
tmp = get_wiphy_regdom(wiphy);
rcu_assign_pointer(wiphy->regd, regd);
@@ -2006,8 +2042,6 @@ reg_process_hint_driver(struct wiphy *wiphy,
driver_request->intersect = treatment == REG_REQ_INTERSECT;
driver_request->processed = false;
- reg_update_last_request(driver_request);
-
/*
* Since CRDA will not be called in this case as we already
* have applied the requested regulatory domain before we just
@@ -2015,11 +2049,17 @@ reg_process_hint_driver(struct wiphy *wiphy,
*/
if (treatment == REG_REQ_ALREADY_SET) {
nl80211_send_reg_change_event(driver_request);
+ reg_update_last_request(driver_request);
reg_set_request_processed();
- return treatment;
+ return REG_REQ_ALREADY_SET;
}
- return reg_call_crda(driver_request);
+ if (reg_query_database(driver_request)) {
+ reg_update_last_request(driver_request);
+ return REG_REQ_OK;
+ }
+
+ return REG_REQ_IGNORE;
}
static enum reg_request_treatment
@@ -2085,12 +2125,11 @@ reg_process_hint_country_ie(struct wiphy *wiphy,
case REG_REQ_OK:
break;
case REG_REQ_IGNORE:
- /* fall through */
+ return REG_REQ_IGNORE;
case REG_REQ_ALREADY_SET:
reg_free_request(country_ie_request);
- return treatment;
+ return REG_REQ_ALREADY_SET;
case REG_REQ_INTERSECT:
- reg_free_request(country_ie_request);
/*
* This doesn't happen yet, not sure we
* ever want to support it for this case.
@@ -2102,9 +2141,12 @@ reg_process_hint_country_ie(struct wiphy *wiphy,
country_ie_request->intersect = false;
country_ie_request->processed = false;
- reg_update_last_request(country_ie_request);
+ if (reg_query_database(country_ie_request)) {
+ reg_update_last_request(country_ie_request);
+ return REG_REQ_OK;
+ }
- return reg_call_crda(country_ie_request);
+ return REG_REQ_IGNORE;
}
/* This processes *all* regulatory hints */
@@ -2118,11 +2160,11 @@ static void reg_process_hint(struct regulatory_request *reg_request)
switch (reg_request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
- reg_process_hint_core(reg_request);
- return;
+ treatment = reg_process_hint_core(reg_request);
+ break;
case NL80211_REGDOM_SET_BY_USER:
- reg_process_hint_user(reg_request);
- return;
+ treatment = reg_process_hint_user(reg_request);
+ break;
case NL80211_REGDOM_SET_BY_DRIVER:
if (!wiphy)
goto out_free;
@@ -2138,6 +2180,12 @@ static void reg_process_hint(struct regulatory_request *reg_request)
goto out_free;
}
+ if (treatment == REG_REQ_IGNORE)
+ goto out_free;
+
+ WARN(treatment != REG_REQ_OK && treatment != REG_REQ_ALREADY_SET,
+ "unexpected treatment value %d\n", treatment);
+
/* This is required so that the orig_* parameters are saved.
* NOTE: treatment must be set for any case that reaches here!
*/
@@ -2345,7 +2393,7 @@ int regulatory_hint_user(const char *alpha2,
request->user_reg_hint_type = user_reg_hint_type;
/* Allow calling CRDA again */
- reg_crda_timeouts = 0;
+ reset_crda_timeouts();
queue_regulatory_request(request);
@@ -2417,7 +2465,7 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
request->initiator = NL80211_REGDOM_SET_BY_DRIVER;
/* Allow calling CRDA again */
- reg_crda_timeouts = 0;
+ reset_crda_timeouts();
queue_regulatory_request(request);
@@ -2473,7 +2521,7 @@ void regulatory_hint_country_ie(struct wiphy *wiphy, enum ieee80211_band band,
request->country_ie_env = env;
/* Allow calling CRDA again */
- reg_crda_timeouts = 0;
+ reset_crda_timeouts();
queue_regulatory_request(request);
request = NULL;
@@ -2874,11 +2922,8 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
}
request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx);
- if (!request_wiphy) {
- queue_delayed_work(system_power_efficient_wq,
- &reg_timeout, 0);
+ if (!request_wiphy)
return -ENODEV;
- }
if (!driver_request->intersect) {
if (request_wiphy->regd)
@@ -2935,11 +2980,8 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd,
}
request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx);
- if (!request_wiphy) {
- queue_delayed_work(system_power_efficient_wq,
- &reg_timeout, 0);
+ if (!request_wiphy)
return -ENODEV;
- }
if (country_ie_request->intersect)
return -EINVAL;
@@ -2966,7 +3008,7 @@ int set_regdom(const struct ieee80211_regdomain *rd,
}
if (regd_src == REGD_SOURCE_CRDA)
- reg_crda_timeouts = 0;
+ reset_crda_timeouts();
lr = get_last_request();
@@ -2987,6 +3029,7 @@ int set_regdom(const struct ieee80211_regdomain *rd,
break;
default:
WARN(1, "invalid initiator %d\n", lr->initiator);
+ kfree(rd);
return -EINVAL;
}
@@ -3123,15 +3166,6 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy)
lr->country_ie_env = ENVIRON_ANY;
}
-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();
-}
-
/*
* See http://www.fcc.gov/document/5-ghz-unlicensed-spectrum-unii, for
* UNII band definitions
@@ -3188,8 +3222,10 @@ int __init regulatory_init(void)
/* We always try to get an update for the static regdomain */
err = regulatory_hint_core(cfg80211_world_regdom->alpha2);
if (err) {
- if (err == -ENOMEM)
+ if (err == -ENOMEM) {
+ platform_device_unregister(reg_pdev);
return err;
+ }
/*
* N.B. kobject_uevent_env() can fail mainly for when we're out
* memory which is handled and propagated appropriately above
@@ -3217,7 +3253,7 @@ void regulatory_exit(void)
struct reg_beacon *reg_beacon, *btmp;
cancel_work_sync(&reg_work);
- cancel_delayed_work_sync(&reg_timeout);
+ cancel_crda_timeout_sync();
cancel_delayed_work_sync(&reg_check_chans);
/* Lock to suppress warnings */
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 3a50aa255..14d5369eb 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -266,8 +266,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
spin_lock_bh(&rdev->bss_lock);
__cfg80211_bss_expire(rdev, request->scan_start);
spin_unlock_bh(&rdev->bss_lock);
- request->scan_start =
- jiffies + msecs_to_jiffies(request->interval);
+ request->scan_start = jiffies;
}
nl80211_send_sched_scan_results(rdev, request->dev);
}
@@ -839,6 +838,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
found->pub.signal = tmp->pub.signal;
found->pub.capability = tmp->pub.capability;
found->ts = tmp->ts;
+ found->ts_boottime = tmp->ts_boottime;
} else {
struct cfg80211_internal_bss *new;
struct cfg80211_internal_bss *hidden;
@@ -938,14 +938,13 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
}
/* Returned bss is reference counted and must be cleaned up appropriately. */
-struct cfg80211_bss*
-cfg80211_inform_bss_width(struct wiphy *wiphy,
- struct ieee80211_channel *rx_channel,
- enum nl80211_bss_scan_width scan_width,
- enum cfg80211_bss_frame_type ftype,
- const u8 *bssid, u64 tsf, u16 capability,
- u16 beacon_interval, const u8 *ie, size_t ielen,
- s32 signal, gfp_t gfp)
+struct cfg80211_bss *
+cfg80211_inform_bss_data(struct wiphy *wiphy,
+ struct cfg80211_inform_bss *data,
+ enum cfg80211_bss_frame_type ftype,
+ const u8 *bssid, u64 tsf, u16 capability,
+ u16 beacon_interval, const u8 *ie, size_t ielen,
+ gfp_t gfp)
{
struct cfg80211_bss_ies *ies;
struct ieee80211_channel *channel;
@@ -957,19 +956,21 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
return NULL;
if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC &&
- (signal < 0 || signal > 100)))
+ (data->signal < 0 || data->signal > 100)))
return NULL;
- channel = cfg80211_get_bss_channel(wiphy, ie, ielen, rx_channel);
+ channel = cfg80211_get_bss_channel(wiphy, ie, ielen, data->chan);
if (!channel)
return NULL;
memcpy(tmp.pub.bssid, bssid, ETH_ALEN);
tmp.pub.channel = channel;
- tmp.pub.scan_width = scan_width;
- tmp.pub.signal = signal;
+ tmp.pub.scan_width = data->scan_width;
+ tmp.pub.signal = data->signal;
tmp.pub.beacon_interval = beacon_interval;
tmp.pub.capability = capability;
+ tmp.ts_boottime = data->boottime_ns;
+
/*
* If we do not know here whether the IEs are from a Beacon or Probe
* Response frame, we need to pick one of the options and only use it
@@ -999,7 +1000,7 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
}
rcu_assign_pointer(tmp.pub.ies, ies);
- signal_valid = abs(rx_channel->center_freq - channel->center_freq) <=
+ signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid);
if (!res)
@@ -1019,15 +1020,15 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss_width);
+EXPORT_SYMBOL(cfg80211_inform_bss_data);
-/* Returned bss is reference counted and must be cleaned up appropriately. */
+/* cfg80211_inform_bss_width_frame helper */
struct cfg80211_bss *
-cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
- struct ieee80211_channel *rx_channel,
- enum nl80211_bss_scan_width scan_width,
- struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal, gfp_t gfp)
+cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
+ struct cfg80211_inform_bss *data,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ gfp_t gfp)
+
{
struct cfg80211_internal_bss tmp = {}, *res;
struct cfg80211_bss_ies *ies;
@@ -1040,8 +1041,7 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
- trace_cfg80211_inform_bss_width_frame(wiphy, rx_channel, scan_width, mgmt,
- len, signal);
+ trace_cfg80211_inform_bss_frame(wiphy, data, mgmt, len);
if (WARN_ON(!mgmt))
return NULL;
@@ -1050,14 +1050,14 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
return NULL;
if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC &&
- (signal < 0 || signal > 100)))
+ (data->signal < 0 || data->signal > 100)))
return NULL;
if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
return NULL;
channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable,
- ielen, rx_channel);
+ ielen, data->chan);
if (!channel)
return NULL;
@@ -1077,12 +1077,13 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN);
tmp.pub.channel = channel;
- tmp.pub.scan_width = scan_width;
- tmp.pub.signal = signal;
+ tmp.pub.scan_width = data->scan_width;
+ tmp.pub.signal = data->signal;
tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
+ tmp.ts_boottime = data->boottime_ns;
- signal_valid = abs(rx_channel->center_freq - channel->center_freq) <=
+ signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid);
if (!res)
@@ -1102,7 +1103,7 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss_width_frame);
+EXPORT_SYMBOL(cfg80211_inform_bss_frame_data);
void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
{
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index a808279a4..0c392d367 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -2670,30 +2670,30 @@ TRACE_EVENT(cfg80211_get_bss,
__entry->privacy)
);
-TRACE_EVENT(cfg80211_inform_bss_width_frame,
- TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *channel,
- enum nl80211_bss_scan_width scan_width,
- struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal),
- TP_ARGS(wiphy, channel, scan_width, mgmt, len, signal),
+TRACE_EVENT(cfg80211_inform_bss_frame,
+ TP_PROTO(struct wiphy *wiphy, struct cfg80211_inform_bss *data,
+ struct ieee80211_mgmt *mgmt, size_t len),
+ TP_ARGS(wiphy, data, mgmt, len),
TP_STRUCT__entry(
WIPHY_ENTRY
CHAN_ENTRY
__field(enum nl80211_bss_scan_width, scan_width)
__dynamic_array(u8, mgmt, len)
__field(s32, signal)
+ __field(u64, ts_boottime)
),
TP_fast_assign(
WIPHY_ASSIGN;
- CHAN_ASSIGN(channel);
- __entry->scan_width = scan_width;
+ CHAN_ASSIGN(data->chan);
+ __entry->scan_width = data->scan_width;
if (mgmt)
memcpy(__get_dynamic_array(mgmt), mgmt, len);
- __entry->signal = signal;
+ __entry->signal = data->signal;
+ __entry->ts_boottime = data->boottime_ns;
),
- TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "(scan_width: %d) signal: %d",
+ TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "(scan_width: %d) signal: %d, tsb:%llu",
WIPHY_PR_ARG, CHAN_PR_ARG, __entry->scan_width,
- __entry->signal)
+ __entry->signal, (unsigned long long)__entry->ts_boottime)
);
DECLARE_EVENT_CLASS(cfg80211_bss_evt,