ath9k: fix sleep mode handling issues, should improve client mode reliability (backpo...

[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 513-ath9k_channelbw_debugfs.patch

diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
index 4ac3e1c3d3abd1acb1c58674019e2671e7f864db..523b380cefa6def7ee5a019fb5a5dff6cf8b9b1d 100644 (file)
--- a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -585,6 +585,7 @@ struct ath_softc {
+@@ -591,6 +591,7 @@ struct ath_softc {
        struct ieee80211_hw *hw;
        struct device *dev;
  
@@ -8,33 +8,101 @@
        int chan_idx;
        int chan_is_ht;
        struct survey_info *cur_survey;
+@@ -655,6 +656,7 @@ struct ath_softc {
+       u8 ant_tx, ant_rx;
+ };
+ 
++int ath9k_config(struct ieee80211_hw *hw, u32 changed);
+ void ath9k_tasklet(unsigned long data);
+ int ath_cabq_update(struct ath_softc *);
+ 
 --- a/drivers/net/wireless/ath/ath9k/debug.c
 +++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -1693,6 +1693,9 @@ int ath9k_init_debug(struct ath_hw *ah)
+@@ -1663,6 +1663,50 @@ 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;
++      char buf[32];
++      unsigned int len;
++
++      len = sprintf(buf, "0x%08x\n", sc->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;
++      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 (strict_strtoul(buf, 0, &chan_bw))
++              return -EINVAL;
++
++      sc->chan_bw = chan_bw;
++      if (!(sc->sc_flags & SC_OP_INVALID))
++              ath9k_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 = ath9k_debugfs_open,
++      .owner = THIS_MODULE,
++      .llseek = default_llseek,
++};
++
++
+ int ath9k_init_debug(struct ath_hw *ah)
+ {
+       struct ath_common *common = ath9k_hw_common(ah);
+@@ -1724,6 +1768,9 @@ int ath9k_init_debug(struct ath_hw *ah)
        debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
                            &fops_eeprom);
  
-+      debugfs_create_u32("chanbw", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-+                         &sc->chan_bw);
++      debugfs_create_file("chanbw", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
++                          sc, &fops_chanbw);
 +
        sc->debug.regidx = 0;
        memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
        sc->debug.sampidx = 0;
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1636,9 +1636,10 @@ static int ath9k_config(struct ieee80211
+@@ -1564,7 +1564,7 @@ static void ath9k_disable_ps(struct ath_
  
-       if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ }
+ 
+-static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
++int ath9k_config(struct ieee80211_hw *hw, u32 changed)
+ {
+       struct ath_softc *sc = hw->priv;
+       struct ath_hw *ah = sc->sc_ah;
+@@ -1623,9 +1623,11 @@ static int ath9k_config(struct ieee80211
+ 
+       if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
                struct ieee80211_channel *curchan = hw->conf.channel;
--              struct ath9k_channel old_chan;
-+              struct ath9k_channel old_chan, *hchan;
++              struct ath9k_channel *hchan;
                int pos = curchan->hw_value;
                int old_pos = -1;
-+              u32 oldflags;
                unsigned long flags;
++              u32 oldflags;
  
                if (ah->curchan)
-@@ -1691,7 +1692,23 @@ static int ath9k_config(struct ieee80211
+                       old_pos = ah->curchan - &ah->channels[0];
+@@ -1674,7 +1676,23 @@ static int ath9k_config(struct ieee80211
                        memset(&sc->survey[pos], 0, sizeof(struct survey_info));
                }
  
@@ -61,9 +129,9 @@
                        return -EINVAL;
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1509,6 +1509,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
-           (AR_SREV_9300_20_OR_LATER(ah) && IS_CHAN_5GHZ(chan)))
-               bChannelChange = false;
+@@ -1609,6 +1609,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+           caldata->rtt_hist.num_readings)
+               allow_fbs = true;
  
 +      if (!ah->curchan || ((ah->curchan->channelFlags ^ chan->channelFlags) &
 +          (CHANNEL_HALF | CHANNEL_QUARTER)))