ath9k: allow run-time change of the chanbw debugfs file

SVN-Revision: 29257

diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
index e2cf507b68b96cd99af65eaff2c2b6cfca5548f2..ded102e1447900ddbd21a16760b9124c63c6cafd 100644 (file)
--- a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
@@ -8,20 +8,88 @@
        int chan_idx;
        int chan_is_ht;
        struct survey_info *cur_survey;
+@@ -654,6 +655,7 @@ 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
-@@ -1724,6 +1724,9 @@ 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->ps_idle)
++              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
+@@ -1554,7 +1554,7 @@ static void ath9k_disable_ps(struct ath_
+ 
+ }
+ 
+-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;
 @@ -1606,9 +1606,10 @@ static int ath9k_config(struct ieee80211
  
        if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {

diff --git a/package/mac80211/patches/531-ath9k_cur_txpower.patch b/package/mac80211/patches/531-ath9k_cur_txpower.patch
index a8eb8a6cf36c9c13174f419dd444f8694146d740..760f4d754e108b318a5652c800d79c4bb43d2f60 100644 (file)
--- a/package/mac80211/patches/531-ath9k_cur_txpower.patch
+++ b/package/mac80211/patches/531-ath9k_cur_txpower.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1684,6 +1684,8 @@ static int ath9k_config(struct ieee80211
+@@ -1684,6 +1684,8 @@ int ath9k_config(struct ieee80211_hw *hw
                        return -EINVAL;
                }
  
@@ -9,7 +9,7 @@
                /*
                 * The most recent snapshot of channel->noisefloor for the old
                 * channel is only available after the hardware reset. Copy it to
-@@ -1699,6 +1701,7 @@ static int ath9k_config(struct ieee80211
+@@ -1699,6 +1701,7 @@ int ath9k_config(struct ieee80211_hw *hw
                sc->config.txpowlimit = 2 * conf->power_level;
                ath9k_cmn_update_txpow(ah, sc->curtxpow,
                                       sc->config.txpowlimit, &sc->curtxpow);

diff --git a/package/mac80211/patches/540-ath9k_limit_qlen.patch b/package/mac80211/patches/540-ath9k_limit_qlen.patch
index 0831392ea84d2a6289576780056c74f20847c569..10dde1bf9c22bc759c4a71c2e7f0825928562dda 100644 (file)
--- a/package/mac80211/patches/540-ath9k_limit_qlen.patch
+++ b/package/mac80211/patches/540-ath9k_limit_qlen.patch
@@ -20,7 +20,7 @@
        spinlock_t txbuflock;
 --- a/drivers/net/wireless/ath/ath9k/debug.c
 +++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -1685,6 +1685,10 @@ int ath9k_init_debug(struct ath_hw *ah)
+@@ -1729,6 +1729,10 @@ int ath9k_init_debug(struct ath_hw *ah)
                            sc, &fops_wiphy);
        debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
                            &fops_xmit);