mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 07:22:33 +00:00
5f2a1ac59a
This needs to be refined and reworked before we can safely leave it enabled by default Signed-off-by: Felix Fietkau <nbd@nbd.name>
126 lines
3.5 KiB
Diff
126 lines
3.5 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.c
|
|
@@ -1362,6 +1362,52 @@ static const struct file_operations fops
|
|
.owner = THIS_MODULE
|
|
};
|
|
|
|
+
|
|
+static ssize_t read_file_chan_bw(struct file *file, char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ char buf[32];
|
|
+ unsigned int len;
|
|
+
|
|
+ len = sprintf(buf, "0x%08x\n", common->chan_bw);
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
+}
|
|
+
|
|
+static ssize_t write_file_chan_bw(struct file *file, const char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ unsigned long chan_bw;
|
|
+ char buf[32];
|
|
+ ssize_t len;
|
|
+
|
|
+ len = min(count, sizeof(buf) - 1);
|
|
+ if (copy_from_user(buf, user_buf, len))
|
|
+ return -EFAULT;
|
|
+
|
|
+ buf[len] = '\0';
|
|
+ if (kstrtoul(buf, 0, &chan_bw))
|
|
+ return -EINVAL;
|
|
+
|
|
+ common->chan_bw = chan_bw;
|
|
+ if (!test_bit(ATH_OP_INVALID, &common->op_flags))
|
|
+ ath9k_ops.config(sc->hw, IEEE80211_CONF_CHANGE_CHANNEL);
|
|
+
|
|
+ return count;
|
|
+}
|
|
+
|
|
+static const struct file_operations fops_chanbw = {
|
|
+ .read = read_file_chan_bw,
|
|
+ .write = write_file_chan_bw,
|
|
+ .open = simple_open,
|
|
+ .owner = THIS_MODULE,
|
|
+ .llseek = default_llseek,
|
|
+};
|
|
+
|
|
+
|
|
int ath9k_init_debug(struct ath_hw *ah)
|
|
{
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
@@ -1383,6 +1429,8 @@ int ath9k_init_debug(struct ath_hw *ah)
|
|
|
|
debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
|
|
&fops_eeprom);
|
|
+ debugfs_create_file("chanbw", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
|
|
+ sc, &fops_chanbw);
|
|
debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
|
|
read_file_dma);
|
|
debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
|
|
--- a/drivers/net/wireless/ath/ath.h
|
|
+++ b/drivers/net/wireless/ath/ath.h
|
|
@@ -151,6 +151,7 @@ struct ath_common {
|
|
int debug_mask;
|
|
enum ath_device_state state;
|
|
unsigned long op_flags;
|
|
+ u32 chan_bw;
|
|
|
|
struct ath_ani ani;
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/common.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/common.c
|
|
@@ -296,11 +296,13 @@ EXPORT_SYMBOL(ath9k_cmn_get_hw_crypto_ke
|
|
/*
|
|
* Update internal channel flags.
|
|
*/
|
|
-static void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
|
|
+static void ath9k_cmn_update_ichannel(struct ath_common *common,
|
|
+ struct ath9k_channel *ichan,
|
|
struct cfg80211_chan_def *chandef)
|
|
{
|
|
struct ieee80211_channel *chan = chandef->chan;
|
|
u16 flags = 0;
|
|
+ int width;
|
|
|
|
ichan->channel = chan->center_freq;
|
|
ichan->chan = chan;
|
|
@@ -308,7 +310,19 @@ static void ath9k_cmn_update_ichannel(st
|
|
if (chan->band == NL80211_BAND_5GHZ)
|
|
flags |= CHANNEL_5GHZ;
|
|
|
|
- switch (chandef->width) {
|
|
+ switch (common->chan_bw) {
|
|
+ case 5:
|
|
+ width = NL80211_CHAN_WIDTH_5;
|
|
+ break;
|
|
+ case 10:
|
|
+ width = NL80211_CHAN_WIDTH_10;
|
|
+ break;
|
|
+ default:
|
|
+ width = chandef->width;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ switch (width) {
|
|
case NL80211_CHAN_WIDTH_5:
|
|
flags |= CHANNEL_QUARTER;
|
|
break;
|
|
@@ -341,10 +355,11 @@ struct ath9k_channel *ath9k_cmn_get_chan
|
|
struct cfg80211_chan_def *chandef)
|
|
{
|
|
struct ieee80211_channel *curchan = chandef->chan;
|
|
+ struct ath_common *common = ath9k_hw_common(ah);
|
|
struct ath9k_channel *channel;
|
|
|
|
channel = &ah->channels[curchan->hw_value];
|
|
- ath9k_cmn_update_ichannel(channel, chandef);
|
|
+ ath9k_cmn_update_ichannel(common, channel, chandef);
|
|
|
|
return channel;
|
|
}
|