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author | Felix Fietkau <nbd@openwrt.org> | 2011-11-19 16:56:44 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2011-11-19 16:56:44 +0000 |
commit | c6f0ca6c006c28a3fc3db8b9e4fb30ef2aee2a28 (patch) | |
tree | ba70329d3a27aec73afb5e570d568719c96ff89a /package/mac80211/patches/513-ath9k_channelbw_debugfs.patch | |
parent | d46e17548bca2a3557ff598b29f993bfca8474b8 (diff) | |
download | mtk-20170518-c6f0ca6c006c28a3fc3db8b9e4fb30ef2aee2a28.zip mtk-20170518-c6f0ca6c006c28a3fc3db8b9e4fb30ef2aee2a28.tar.gz mtk-20170518-c6f0ca6c006c28a3fc3db8b9e4fb30ef2aee2a28.tar.bz2 |
ath9k: allow run-time change of the chanbw debugfs file
SVN-Revision: 29257
Diffstat (limited to 'package/mac80211/patches/513-ath9k_channelbw_debugfs.patch')
-rw-r--r-- | package/mac80211/patches/513-ath9k_channelbw_debugfs.patch | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch index e2cf507..ded102e 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) { |