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| author | Felix Fietkau <nbd@openwrt.org> | 2011-07-01 16:11:53 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-07-01 16:11:53 +0000 |
| commit | 9f38d4402bede0c35bb8f4814e577dc0b0a2f184 (patch) | |
| tree | 4bf9b95218186084c7074f9f17d247820a445768 | |
| parent | aca1b3010123c518d8d9be58b0a5c947642c33ff (diff) | |
| download | mtk-20170518-9f38d4402bede0c35bb8f4814e577dc0b0a2f184.zip mtk-20170518-9f38d4402bede0c35bb8f4814e577dc0b0a2f184.tar.gz mtk-20170518-9f38d4402bede0c35bb8f4814e577dc0b0a2f184.tar.bz2 | |
ath9k: add a small hack to make changing the channel bandwidth to 5/10 mhz available through debugfs - does not work on all chipsets and is not recommended for production use yet
SVN-Revision: 27340
| -rw-r--r-- | package/mac80211/patches/540-ath9k_channelbw_debugfs.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/package/mac80211/patches/540-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/540-ath9k_channelbw_debugfs.patch new file mode 100644 index 0000000..9c2c014 --- /dev/null +++ b/package/mac80211/patches/540-ath9k_channelbw_debugfs.patch @@ -0,0 +1,54 @@ +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -586,6 +586,7 @@ struct ath_softc { + struct ieee80211_hw *hw; + struct device *dev; + ++ u32 chan_bw; + int chan_idx; + int chan_is_ht; + struct survey_info *cur_survey; +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -1281,6 +1281,9 @@ 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); ++ + sc->debug.regidx = 0; + return 0; + } +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -226,6 +226,7 @@ static int ath_set_channel(struct ath_so + bool fastcc = true, stopped; + struct ieee80211_channel *channel = hw->conf.channel; + struct ath9k_hw_cal_data *caldata = NULL; ++ u32 oldflags; + int r; + + if (sc->sc_flags & SC_OP_INVALID) +@@ -268,6 +269,21 @@ static int ath_set_channel(struct ath_so + if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL)) + fastcc = false; + ++ oldflags = hchan->channelFlags; ++ switch (sc->chan_bw) { ++ case 5: ++ hchan->channelFlags &= ~CHANNEL_HALF; ++ hchan->channelFlags |= CHANNEL_QUARTER; ++ break; ++ case 10: ++ hchan->channelFlags &= ~CHANNEL_QUARTER; ++ hchan->channelFlags |= CHANNEL_HALF; ++ break; ++ } ++ ++ if (oldflags != hchan->channelFlags) ++ fastcc = false; ++ + if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) + caldata = &sc->caldata; + |