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Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

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This commit is contained in:
John W. Linville
2014-03-20 11:53:20 -04:00
parent 474a41e94d 73fb08e24a
commit 7eb2450a51
27 changed files with 402 additions and 258 deletions
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86
net/wireless/reg.c
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@@ -91,10 +91,6 @@ static struct regulatory_request __rcu *last_request =
/* To trigger userspace events */
static struct platform_device *reg_pdev;
static const struct device_type reg_device_type = {
.uevent = reg_device_uevent,
};
/*
* Central wireless core regulatory domains, we only need two,
* the current one and a world regulatory domain in case we have no
@@ -244,19 +240,21 @@ static char user_alpha2[2];
module_param(ieee80211_regdom, charp, 0444);
MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
static void reg_kfree_last_request(void)
static void reg_free_request(struct regulatory_request *lr)
{
struct regulatory_request *lr;
lr = get_last_request();
if (lr != &core_request_world && lr)
kfree_rcu(lr, rcu_head);
}
static void reg_update_last_request(struct regulatory_request *request)
{
reg_kfree_last_request();
struct regulatory_request *lr;
lr = get_last_request();
if (lr == request)
return;
reg_free_request(lr);
rcu_assign_pointer(last_request, request);
}
@@ -487,11 +485,16 @@ static inline void reg_regdb_query(const char *alpha2) {}
/*
* This lets us keep regulatory code which is updated on a regulatory
* basis in userspace. Country information is filled in by
* reg_device_uevent
* basis in userspace.
*/
static int call_crda(const char *alpha2)
{
char country[12];
char *env[] = { country, NULL };
snprintf(country, sizeof(country), "COUNTRY=%c%c",
alpha2[0], alpha2[1]);
if (!is_world_regdom((char *) alpha2))
pr_info("Calling CRDA for country: %c%c\n",
alpha2[0], alpha2[1]);
@@ -501,7 +504,7 @@ static int call_crda(const char *alpha2)
/* query internal regulatory database (if it exists) */
reg_regdb_query(alpha2);
return kobject_uevent(&reg_pdev->dev.kobj, KOBJ_CHANGE);
return kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, env);
}
static enum reg_request_treatment
@@ -755,6 +758,9 @@ static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain,
power_rule2->max_antenna_gain);
intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms,
rule2->dfs_cac_ms);
if (!is_valid_reg_rule(intersected_rule))
return -EINVAL;
@@ -1077,6 +1083,14 @@ static void handle_channel(struct wiphy *wiphy,
min_t(int, chan->orig_mag,
MBI_TO_DBI(power_rule->max_antenna_gain));
chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
if (chan->flags & IEEE80211_CHAN_RADAR) {
if (reg_rule->dfs_cac_ms)
chan->dfs_cac_ms = reg_rule->dfs_cac_ms;
else
chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
}
if (chan->orig_mpwr) {
/*
* Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
@@ -2255,9 +2269,9 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
char bw[32];
char bw[32], cac_time[32];
pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n");
for (i = 0; i < rd->n_reg_rules; i++) {
reg_rule = &rd->reg_rules[i];
@@ -2272,23 +2286,32 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
snprintf(bw, sizeof(bw), "%d KHz",
freq_range->max_bandwidth_khz);
if (reg_rule->flags & NL80211_RRF_DFS)
scnprintf(cac_time, sizeof(cac_time), "%u s",
reg_rule->dfs_cac_ms/1000);
else
scnprintf(cac_time, sizeof(cac_time), "N/A");
/*
* There may not be documentation for max antenna gain
* in certain regions
*/
if (power_rule->max_antenna_gain)
pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm)\n",
pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
bw,
power_rule->max_antenna_gain,
power_rule->max_eirp);
power_rule->max_eirp,
cac_time);
else
pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm)\n",
pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
bw,
power_rule->max_eirp);
power_rule->max_eirp,
cac_time);
}
}
@@ -2361,9 +2384,6 @@ static int reg_set_rd_user(const struct ieee80211_regdomain *rd,
{
const struct ieee80211_regdomain *intersected_rd = NULL;
if (is_world_regdom(rd->alpha2))
return -EINVAL;
if (!regdom_changes(rd->alpha2))
return -EALREADY;
@@ -2552,26 +2572,6 @@ int set_regdom(const struct ieee80211_regdomain *rd)
return 0;
}
int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct regulatory_request *lr;
u8 alpha2[2];
bool add = false;
rcu_read_lock();
lr = get_last_request();
if (lr && !lr->processed) {
memcpy(alpha2, lr->alpha2, 2);
add = true;
}
rcu_read_unlock();
if (add)
return add_uevent_var(env, "COUNTRY=%c%c",
alpha2[0], alpha2[1]);
return 0;
}
void wiphy_regulatory_register(struct wiphy *wiphy)
{
struct regulatory_request *lr;
@@ -2622,8 +2622,6 @@ int __init regulatory_init(void)
if (IS_ERR(reg_pdev))
return PTR_ERR(reg_pdev);
reg_pdev->dev.type = &reg_device_type;
spin_lock_init(&reg_requests_lock);
spin_lock_init(&reg_pending_beacons_lock);