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path: root/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c71
1 files changed, 32 insertions, 39 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
index 054609c634a2..21c99ad7ef59 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (C) 2016 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "mt76x02.h"
@@ -283,7 +272,7 @@ static bool mt76x02_dfs_check_hw_pulse(struct mt76x02_dev *dev,
if (!pulse->period || !pulse->w1)
return false;
- switch (dev->dfs_pd.region) {
+ switch (dev->mt76.region) {
case NL80211_DFS_FCC:
if (pulse->engine > 3)
break;
@@ -318,8 +307,8 @@ static bool mt76x02_dfs_check_hw_pulse(struct mt76x02_dev *dev,
pulse->period <= 100100);
break;
case NL80211_DFS_JP:
- if (dev->mt76.chandef.chan->center_freq >= 5250 &&
- dev->mt76.chandef.chan->center_freq <= 5350) {
+ if (dev->mphy.chandef.chan->center_freq >= 5250 &&
+ dev->mphy.chandef.chan->center_freq <= 5350) {
/* JPW53 */
if (pulse->w1 <= 130)
ret = (pulse->period >= 28360 &&
@@ -440,11 +429,11 @@ static int mt76x02_dfs_create_sequence(struct mt76x02_dev *dev,
{
struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
struct mt76x02_dfs_sw_detector_params *sw_params;
- u32 width_delta, with_sum, factor, cur_pri;
+ u32 width_delta, with_sum;
struct mt76x02_dfs_sequence seq, *seq_p;
struct mt76x02_dfs_event_rb *event_rb;
struct mt76x02_dfs_event *cur_event;
- int i, j, end, pri;
+ int i, j, end, pri, factor, cur_pri;
event_rb = event->engine == 2 ? &dfs_pd->event_rb[1]
: &dfs_pd->event_rb[0];
@@ -457,7 +446,7 @@ static int mt76x02_dfs_create_sequence(struct mt76x02_dev *dev,
with_sum = event->width + cur_event->width;
sw_params = &dfs_pd->sw_dpd_params;
- switch (dev->dfs_pd.region) {
+ switch (dev->mt76.region) {
case NL80211_DFS_FCC:
case NL80211_DFS_JP:
if (with_sum < 600)
@@ -528,7 +517,7 @@ static u16 mt76x02_dfs_add_event_to_sequence(struct mt76x02_dev *dev,
struct mt76x02_dfs_sw_detector_params *sw_params;
struct mt76x02_dfs_sequence *seq, *tmp_seq;
u16 max_seq_len = 0;
- u32 factor, pri;
+ int factor, pri;
sw_params = &dfs_pd->sw_dpd_params;
list_for_each_entry_safe(seq, tmp_seq, &dfs_pd->sequences, head) {
@@ -620,14 +609,15 @@ static void mt76x02_dfs_check_event_window(struct mt76x02_dev *dev)
}
}
-static void mt76x02_dfs_tasklet(unsigned long arg)
+static void mt76x02_dfs_tasklet(struct tasklet_struct *t)
{
- struct mt76x02_dev *dev = (struct mt76x02_dev *)arg;
- struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
+ struct mt76x02_dfs_pattern_detector *dfs_pd = from_tasklet(dfs_pd, t,
+ dfs_tasklet);
+ struct mt76x02_dev *dev = container_of(dfs_pd, typeof(*dev), dfs_pd);
u32 engine_mask;
int i;
- if (test_bit(MT76_SCANNING, &dev->mt76.state))
+ if (test_bit(MT76_SCANNING, &dev->mphy.state))
goto out;
if (time_is_before_jiffies(dfs_pd->last_sw_check +
@@ -640,7 +630,7 @@ static void mt76x02_dfs_tasklet(unsigned long arg)
radar_detected = mt76x02_dfs_check_detection(dev);
if (radar_detected) {
/* sw detector rx radar pattern */
- ieee80211_radar_detected(dev->mt76.hw);
+ ieee80211_radar_detected(dev->mt76.hw, NULL);
mt76x02_dfs_detector_reset(dev);
return;
@@ -668,7 +658,7 @@ static void mt76x02_dfs_tasklet(unsigned long arg)
/* hw detector rx radar pattern */
dfs_pd->stats[i].hw_pattern++;
- ieee80211_radar_detected(dev->mt76.hw);
+ ieee80211_radar_detected(dev->mt76.hw, NULL);
mt76x02_dfs_detector_reset(dev);
return;
@@ -685,7 +675,7 @@ static void mt76x02_dfs_init_sw_detector(struct mt76x02_dev *dev)
{
struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
- switch (dev->dfs_pd.region) {
+ switch (dev->mt76.region) {
case NL80211_DFS_FCC:
dfs_pd->sw_dpd_params.max_pri = MT_DFS_FCC_MAX_PRI;
dfs_pd->sw_dpd_params.min_pri = MT_DFS_FCC_MIN_PRI;
@@ -713,7 +703,7 @@ static void mt76x02_dfs_set_bbp_params(struct mt76x02_dev *dev)
u8 i, shift;
u32 data;
- switch (dev->mt76.chandef.width) {
+ switch (dev->mphy.chandef.width) {
case NL80211_CHAN_WIDTH_40:
shift = MT_DFS_NUM_ENGINES;
break;
@@ -725,7 +715,7 @@ static void mt76x02_dfs_set_bbp_params(struct mt76x02_dev *dev)
break;
}
- switch (dev->dfs_pd.region) {
+ switch (dev->mt76.region) {
case NL80211_DFS_FCC:
radar_specs = &fcc_radar_specs[shift];
break;
@@ -733,8 +723,8 @@ static void mt76x02_dfs_set_bbp_params(struct mt76x02_dev *dev)
radar_specs = &etsi_radar_specs[shift];
break;
case NL80211_DFS_JP:
- if (dev->mt76.chandef.chan->center_freq >= 5250 &&
- dev->mt76.chandef.chan->center_freq <= 5350)
+ if (dev->mphy.chandef.chan->center_freq >= 5250 &&
+ dev->mphy.chandef.chan->center_freq <= 5350)
radar_specs = &jp_w53_radar_specs[shift];
else
radar_specs = &jp_w56_radar_specs[shift];
@@ -833,10 +823,7 @@ EXPORT_SYMBOL_GPL(mt76x02_phy_dfs_adjust_agc);
void mt76x02_dfs_init_params(struct mt76x02_dev *dev)
{
- struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
-
- if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
- dev->dfs_pd.region != NL80211_DFS_UNSET) {
+ if (mt76_phy_dfs_state(&dev->mphy) > MT_DFS_STATE_DISABLED) {
mt76x02_dfs_init_sw_detector(dev);
mt76x02_dfs_set_bbp_params(dev);
/* enable debug mode */
@@ -869,10 +856,9 @@ void mt76x02_dfs_init_detector(struct mt76x02_dev *dev)
INIT_LIST_HEAD(&dfs_pd->sequences);
INIT_LIST_HEAD(&dfs_pd->seq_pool);
- dfs_pd->region = NL80211_DFS_UNSET;
+ dev->mt76.region = NL80211_DFS_UNSET;
dfs_pd->last_sw_check = jiffies;
- tasklet_init(&dfs_pd->dfs_tasklet, mt76x02_dfs_tasklet,
- (unsigned long)dev);
+ tasklet_setup(&dfs_pd->dfs_tasklet, mt76x02_dfs_tasklet);
}
static void
@@ -881,12 +867,19 @@ mt76x02_dfs_set_domain(struct mt76x02_dev *dev,
{
struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
- if (dfs_pd->region != region) {
+ mutex_lock(&dev->mt76.mutex);
+ if (dev->mt76.region != region) {
tasklet_disable(&dfs_pd->dfs_tasklet);
- dfs_pd->region = region;
+
+ dev->ed_monitor = dev->ed_monitor_enabled &&
+ region == NL80211_DFS_ETSI;
+ mt76x02_edcca_init(dev);
+
+ dev->mt76.region = region;
mt76x02_dfs_init_params(dev);
tasklet_enable(&dfs_pd->dfs_tasklet);
}
+ mutex_unlock(&dev->mt76.mutex);
}
void mt76x02_regd_notifier(struct wiphy *wiphy,