From: Felix Fietkau Date: Sat, 19 Nov 2011 16:56:44 +0000 (+0000) Subject: ath9k: allow run-time change of the chanbw debugfs file X-Git-Tag: reboot~15469 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c6f0ca6c006c28a3fc3db8b9e4fb30ef2aee2a28;p=oweals%2Fopenwrt.git 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 e2cf507b68..ded102e144 100644 --- 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 a8eb8a6cf3..760f4d754e 100644 --- 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 0831392ea8..10dde1bf9c 100644 --- 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);