/* To trigger userspace events */
static struct platform_device *reg_pdev;
-static struct device_type reg_device_type = {
+static const struct device_type reg_device_type = {
.uevent = reg_device_uevent,
};
return alpha2_equal(lr->alpha2, alpha2);
}
+static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy)
+{
+ struct regulatory_request *lr = get_last_request();
+
+ /*
+ * Follow the driver's regulatory domain, if present, unless a country
+ * IE has been processed or a user wants to help complaince further
+ */
+ if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ lr->initiator != NL80211_REGDOM_SET_BY_USER &&
+ wiphy->regd)
+ return get_wiphy_regdom(wiphy);
+
+ return get_cfg80211_regdom();
+}
+
+unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
+ const struct ieee80211_reg_rule *rule)
+{
+ const struct ieee80211_freq_range *freq_range = &rule->freq_range;
+ const struct ieee80211_freq_range *freq_range_tmp;
+ const struct ieee80211_reg_rule *tmp;
+ u32 start_freq, end_freq, idx, no;
+
+ for (idx = 0; idx < rd->n_reg_rules; idx++)
+ if (rule == &rd->reg_rules[idx])
+ break;
+
+ if (idx == rd->n_reg_rules)
+ return 0;
+
+ /* get start_freq */
+ no = idx;
+
+ while (no) {
+ tmp = &rd->reg_rules[--no];
+ freq_range_tmp = &tmp->freq_range;
+
+ if (freq_range_tmp->end_freq_khz < freq_range->start_freq_khz)
+ break;
+
+ freq_range = freq_range_tmp;
+ }
+
+ start_freq = freq_range->start_freq_khz;
+
+ /* get end_freq */
+ freq_range = &rule->freq_range;
+ no = idx;
+
+ while (no < rd->n_reg_rules - 1) {
+ tmp = &rd->reg_rules[++no];
+ freq_range_tmp = &tmp->freq_range;
+
+ if (freq_range_tmp->start_freq_khz > freq_range->end_freq_khz)
+ break;
+
+ freq_range = freq_range_tmp;
+ }
+
+ end_freq = freq_range->end_freq_khz;
+
+ return end_freq - start_freq;
+}
+
/* Sanity check on a regulatory rule */
static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
{
* Helper for regdom_intersect(), this does the real
* mathematical intersection fun
*/
-static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1,
+static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
+ const struct ieee80211_regdomain *rd2,
+ const struct ieee80211_reg_rule *rule1,
const struct ieee80211_reg_rule *rule2,
struct ieee80211_reg_rule *intersected_rule)
{
struct ieee80211_freq_range *freq_range;
const struct ieee80211_power_rule *power_rule1, *power_rule2;
struct ieee80211_power_rule *power_rule;
- u32 freq_diff;
+ u32 freq_diff, max_bandwidth1, max_bandwidth2;
freq_range1 = &rule1->freq_range;
freq_range2 = &rule2->freq_range;
freq_range2->start_freq_khz);
freq_range->end_freq_khz = min(freq_range1->end_freq_khz,
freq_range2->end_freq_khz);
- freq_range->max_bandwidth_khz = min(freq_range1->max_bandwidth_khz,
- freq_range2->max_bandwidth_khz);
+
+ max_bandwidth1 = freq_range1->max_bandwidth_khz;
+ max_bandwidth2 = freq_range2->max_bandwidth_khz;
+
+ if (rule1->flags & NL80211_RRF_AUTO_BW)
+ max_bandwidth1 = reg_get_max_bandwidth(rd1, rule1);
+ if (rule2->flags & NL80211_RRF_AUTO_BW)
+ max_bandwidth2 = reg_get_max_bandwidth(rd2, rule2);
+
+ freq_range->max_bandwidth_khz = min(max_bandwidth1, max_bandwidth2);
+
+ intersected_rule->flags = rule1->flags | rule2->flags;
+
+ /*
+ * In case NL80211_RRF_AUTO_BW requested for both rules
+ * set AUTO_BW in intersected rule also. Next we will
+ * calculate BW correctly in handle_channel function.
+ * In other case remove AUTO_BW flag while we calculate
+ * maximum bandwidth correctly and auto calculation is
+ * not required.
+ */
+ if ((rule1->flags & NL80211_RRF_AUTO_BW) &&
+ (rule2->flags & NL80211_RRF_AUTO_BW))
+ intersected_rule->flags |= NL80211_RRF_AUTO_BW;
+ else
+ intersected_rule->flags &= ~NL80211_RRF_AUTO_BW;
freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz;
if (freq_range->max_bandwidth_khz > freq_diff)
power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain,
power_rule2->max_antenna_gain);
- intersected_rule->flags = rule1->flags | rule2->flags;
-
if (!is_valid_reg_rule(intersected_rule))
return -EINVAL;
rule1 = &rd1->reg_rules[x];
for (y = 0; y < rd2->n_reg_rules; y++) {
rule2 = &rd2->reg_rules[y];
- if (!reg_rules_intersect(rule1, rule2, &dummy_rule))
+ if (!reg_rules_intersect(rd1, rd2, rule1, rule2,
+ &dummy_rule))
num_rules++;
}
}
* a memcpy()
*/
intersected_rule = &rd->reg_rules[rule_idx];
- r = reg_rules_intersect(rule1, rule2, intersected_rule);
+ r = reg_rules_intersect(rd1, rd2, rule1, rule2,
+ intersected_rule);
/*
* No need to memset here the intersected rule here as
* we're not using the stack anymore
u32 center_freq)
{
const struct ieee80211_regdomain *regd;
- struct regulatory_request *lr = get_last_request();
- /*
- * Follow the driver's regulatory domain, if present, unless a country
- * IE has been processed or a user wants to help complaince further
- */
- if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
- lr->initiator != NL80211_REGDOM_SET_BY_USER &&
- wiphy->regd)
- regd = get_wiphy_regdom(wiphy);
- else
- regd = get_cfg80211_regdom();
+ regd = reg_get_regdomain(wiphy);
return freq_reg_info_regd(wiphy, center_freq, regd);
}
EXPORT_SYMBOL(reg_initiator_name);
#ifdef CONFIG_CFG80211_REG_DEBUG
-static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
+ struct ieee80211_channel *chan,
const struct ieee80211_reg_rule *reg_rule)
{
const struct ieee80211_power_rule *power_rule;
const struct ieee80211_freq_range *freq_range;
- char max_antenna_gain[32];
+ char max_antenna_gain[32], bw[32];
power_rule = ®_rule->power_rule;
freq_range = ®_rule->freq_range;
if (!power_rule->max_antenna_gain)
- snprintf(max_antenna_gain, 32, "N/A");
+ snprintf(max_antenna_gain, sizeof(max_antenna_gain), "N/A");
else
- snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain);
+ snprintf(max_antenna_gain, sizeof(max_antenna_gain), "%d",
+ power_rule->max_antenna_gain);
+
+ if (reg_rule->flags & NL80211_RRF_AUTO_BW)
+ snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO",
+ freq_range->max_bandwidth_khz,
+ reg_get_max_bandwidth(regd, reg_rule));
+ else
+ snprintf(bw, sizeof(bw), "%d KHz",
+ freq_range->max_bandwidth_khz);
REG_DBG_PRINT("Updating information on frequency %d MHz with regulatory rule:\n",
chan->center_freq);
- REG_DBG_PRINT("%d KHz - %d KHz @ %d KHz), (%s mBi, %d mBm)\n",
+ REG_DBG_PRINT("%d KHz - %d KHz @ %s), (%s mBi, %d mBm)\n",
freq_range->start_freq_khz, freq_range->end_freq_khz,
- freq_range->max_bandwidth_khz, max_antenna_gain,
+ bw, max_antenna_gain,
power_rule->max_eirp);
}
#else
-static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd,
+ struct ieee80211_channel *chan,
const struct ieee80211_reg_rule *reg_rule)
{
return;
const struct ieee80211_freq_range *freq_range = NULL;
struct wiphy *request_wiphy = NULL;
struct regulatory_request *lr = get_last_request();
+ const struct ieee80211_regdomain *regd;
+ u32 max_bandwidth_khz;
request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
return;
}
- chan_reg_rule_print_dbg(chan, reg_rule);
+ regd = reg_get_regdomain(wiphy);
+ chan_reg_rule_print_dbg(regd, chan, reg_rule);
power_rule = ®_rule->power_rule;
freq_range = ®_rule->freq_range;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40))
+ max_bandwidth_khz = freq_range->max_bandwidth_khz;
+ /* Check if auto calculation requested */
+ if (reg_rule->flags & NL80211_RRF_AUTO_BW)
+ max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
+
+ if (max_bandwidth_khz < MHZ_TO_KHZ(40))
bw_flags = IEEE80211_CHAN_NO_HT40;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80))
+ if (max_bandwidth_khz < MHZ_TO_KHZ(80))
bw_flags |= IEEE80211_CHAN_NO_80MHZ;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160))
+ if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
+ u32 max_bandwidth_khz;
reg_rule = freq_reg_info_regd(wiphy, MHZ_TO_KHZ(chan->center_freq),
regd);
return;
}
- chan_reg_rule_print_dbg(chan, reg_rule);
+ chan_reg_rule_print_dbg(regd, chan, reg_rule);
power_rule = ®_rule->power_rule;
freq_range = ®_rule->freq_range;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40))
+ max_bandwidth_khz = freq_range->max_bandwidth_khz;
+ /* Check if auto calculation requested */
+ if (reg_rule->flags & NL80211_RRF_AUTO_BW)
+ max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
+
+ if (max_bandwidth_khz < MHZ_TO_KHZ(40))
bw_flags = IEEE80211_CHAN_NO_HT40;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80))
+ if (max_bandwidth_khz < MHZ_TO_KHZ(80))
bw_flags |= IEEE80211_CHAN_NO_80MHZ;
- if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160))
+ if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags;
struct wiphy *wiphy = NULL;
enum reg_request_treatment treatment;
- if (WARN_ON(!reg_request->alpha2))
- return;
-
if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
- if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) {
- kfree(reg_request);
- return;
- }
-
switch (reg_request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
reg_process_hint_core(reg_request);
if (treatment == REG_REQ_OK ||
treatment == REG_REQ_ALREADY_SET)
return;
- schedule_delayed_work(®_timeout, msecs_to_jiffies(3142));
+ queue_delayed_work(system_power_efficient_wq,
+ ®_timeout, msecs_to_jiffies(3142));
return;
case NL80211_REGDOM_SET_BY_DRIVER:
+ if (!wiphy)
+ goto out_free;
treatment = reg_process_hint_driver(wiphy, reg_request);
break;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+ if (!wiphy)
+ goto out_free;
treatment = reg_process_hint_country_ie(wiphy, reg_request);
break;
default:
WARN(1, "invalid initiator %d\n", reg_request->initiator);
- return;
+ goto out_free;
}
/* This is required so that the orig_* parameters are saved */
if (treatment == REG_REQ_ALREADY_SET && wiphy &&
wiphy->regulatory_flags & REGULATORY_STRICT_REG)
wiphy_update_regulatory(wiphy, reg_request->initiator);
+
+ return;
+
+out_free:
+ kfree(reg_request);
}
/*
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];
pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
freq_range = ®_rule->freq_range;
power_rule = ®_rule->power_rule;
+ if (reg_rule->flags & NL80211_RRF_AUTO_BW)
+ snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO",
+ freq_range->max_bandwidth_khz,
+ reg_get_max_bandwidth(rd, reg_rule));
+ else
+ snprintf(bw, sizeof(bw), "%d KHz",
+ freq_range->max_bandwidth_khz);
+
/*
* There may not be documentation for max antenna gain
* in certain regions
*/
if (power_rule->max_antenna_gain)
- pr_info(" (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n",
+ pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
- freq_range->max_bandwidth_khz,
+ bw,
power_rule->max_antenna_gain,
power_rule->max_eirp);
else
- pr_info(" (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n",
+ pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
- freq_range->max_bandwidth_khz,
+ bw,
power_rule->max_eirp);
}
}
request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx);
if (!request_wiphy) {
- schedule_delayed_work(®_timeout, 0);
+ queue_delayed_work(system_power_efficient_wq,
+ ®_timeout, 0);
return -ENODEV;
}
request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx);
if (!request_wiphy) {
- schedule_delayed_work(®_timeout, 0);
+ queue_delayed_work(system_power_efficient_wq,
+ ®_timeout, 0);
return -ENODEV;
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff