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ath5k: add various pending tx power fixes, vastly improves stability and performance with various cards

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33014 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-08-06 15:33:24 +00:00
parent e239ce6719
commit d87203afbf
3 changed files with 140 additions and 91 deletions
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223
package/mac80211/patches/300-pending_work.patch
View File

@ -1,5 +1,16 @@
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -210,8 +210,8 @@ ath5k_config(struct ieee80211_hw *hw, u3
}
if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
- (ah->power_level != conf->power_level)) {
- ah->power_level = conf->power_level;
+ (ah->ah_txpower.txp_requested != conf->power_level)) {
+ ah->ah_txpower.txp_requested = conf->power_level;
/* Half dB steps */
ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2));
@@ -622,7 +622,7 @@ ath5k_conf_tx(struct ieee80211_hw *hw, s
qi.tqi_aifs = params->aifs;
qi.tqi_cw_min = params->cw_min;
@ -4256,113 +4267,151 @@
default:
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1418,6 +1418,7 @@ struct ath5k_hw {
s16 txp_min_pwr;
s16 txp_max_pwr;
s16 txp_cur_pwr;
+ s16 txp_user_pwr;
/* Values in 0.5dB units */
s16 txp_offset;
s16 txp_ofdm;
@@ -1331,7 +1331,6 @@ struct ath5k_hw {
unsigned int nexttbtt; /* next beacon time in TU */
struct ath5k_txq *cabq; /* content after beacon */
- int power_level; /* Requested tx power in dBm */
bool assoc; /* associate state */
bool enable_beacon; /* true if beacons are on */
@@ -1425,6 +1424,7 @@ struct ath5k_hw {
/* Value in dB units */
s16 txp_cck_ofdm_pwr_delta;
bool txp_setup;
+ int txp_requested; /* Requested tx power in dBm */
} ah_txpower;
struct ath5k_nfcal_hist ah_nfcal_hist;
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -2953,6 +2953,9 @@ ath5k_init(struct ieee80211_hw *hw)
hw->queues = 1;
@@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
if (!ath5k_is_standard_channel(ch, band))
continue;
+ channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
+
count++;
}
+ /* init tx_power setting to maximum */
+ ah->ah_txpower.txp_user_pwr = AR5K_TUNE_MAX_TXPOWER;
+
tasklet_init(&ah->rxtq, ath5k_tasklet_rx, (unsigned long)ah);
tasklet_init(&ah->txtq, ath5k_tasklet_tx, (unsigned long)ah);
tasklet_init(&ah->beacontq, ath5k_tasklet_beacon, (unsigned long)ah);
@@ -725,7 +727,7 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, s
ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
ieee80211_get_hdrlen_from_skb(skb), padsize,
get_hw_packet_type(skb),
- (ah->power_level * 2),
+ (ah->ah_txpower.txp_requested * 2),
hw_rate,
info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags,
cts_rate, duration);
@@ -1780,7 +1782,8 @@ ath5k_beacon_setup(struct ath5k_hw *ah,
ds->ds_data = bf->skbaddr;
ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
ieee80211_get_hdrlen_from_skb(skb), padsize,
- AR5K_PKT_TYPE_BEACON, (ah->power_level * 2),
+ AR5K_PKT_TYPE_BEACON,
+ (ah->ah_txpower.txp_requested * 2),
ieee80211_get_tx_rate(ah->hw, info)->hw_value,
1, AR5K_TXKEYIX_INVALID,
antenna, flags, 0, 0);
--- a/drivers/net/wireless/ath/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
@@ -1484,7 +1484,7 @@ ath5k_eeprom_read_target_rate_pwr_info(s
case AR5K_EEPROM_MODE_11A:
offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version);
rate_pcal_info = ee->ee_rate_tpwr_a;
- ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN;
+ ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_RATE_CHAN;
break;
case AR5K_EEPROM_MODE_11B:
offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version);
--- a/drivers/net/wireless/ath/ath5k/eeprom.h
+++ b/drivers/net/wireless/ath/ath5k/eeprom.h
@@ -182,6 +182,7 @@
#define AR5K_EEPROM_EEP_DELTA 10
#define AR5K_EEPROM_N_MODES 3
#define AR5K_EEPROM_N_5GHZ_CHAN 10
+#define AR5K_EEPROM_N_5GHZ_RATE_CHAN 8
#define AR5K_EEPROM_N_2GHZ_CHAN 3
#define AR5K_EEPROM_N_2GHZ_CHAN_2413 4
#define AR5K_EEPROM_N_2GHZ_CHAN_MAX 4
@@ -524,7 +524,7 @@ ath5k_eeprom_read_freq_list(struct ath5k
freq1 = val & 0xff;
if (!freq1)
- break;
+ continue;
pc[i++].freq = ath5k_eeprom_bin2freq(ee,
freq1, mode);
@@ -532,7 +532,7 @@ ath5k_eeprom_read_freq_list(struct ath5k
freq2 = (val >> 8) & 0xff;
if (!freq2)
- break;
+ continue;
pc[i++].freq = ath5k_eeprom_bin2freq(ee,
freq2, mode);
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -3585,14 +3585,12 @@ ath5k_setup_rate_powertable(struct ath5k
* ath5k_hw_txpower() - Set transmission power limit for a given channel
* @ah: The &struct ath5k_hw
* @channel: The &struct ieee80211_channel
- * @txpower: Requested tx power in 0.5dB steps
*
* Combines all of the above to set the requested tx power limit
- * on hw.
+ * on hw to ah->ah_txpower.txp_user_pwr.
*/
static int
-ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
- u8 txpower)
+ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel)
@@ -3518,6 +3518,7 @@ ath5k_setup_rate_powertable(struct ath5k
{
struct ath5k_rate_pcal_info rate_info;
struct ieee80211_channel *curr_channel = ah->ah_current_channel;
@@ -3600,11 +3598,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
u8 type;
int ret;
unsigned int i;
u16 *rates;
+ s16 rate_idx_scaled = 0;
- if (txpower > AR5K_TUNE_MAX_TXPOWER) {
- ATH5K_ERR(ah, "invalid tx power: %u\n", txpower);
- return -EINVAL;
- }
-
ee_mode = ath5k_eeprom_mode_from_channel(channel);
if (ee_mode < 0) {
ATH5K_ERR(ah,
@@ -3669,7 +3662,7 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
ath5k_get_rate_pcal_data(ah, channel, &rate_info);
/* max_pwr is power level we got from driver/user in 0.5dB
* units, switch to 0.25dB units so we can compare */
@@ -3564,20 +3565,32 @@ ath5k_setup_rate_powertable(struct ath5k
for (i = 8; i <= 15; i++)
rates[i] -= ah->ah_txpower.txp_cck_ofdm_gainf_delta;
/* Setup rate power table */
- ath5k_setup_rate_powertable(ah, txpower, &rate_info, ee_mode);
+ ath5k_setup_rate_powertable(ah, ah->ah_txpower.txp_user_pwr, &rate_info, ee_mode);
/* Write rate power table on hw */
ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) |
@@ -3719,8 +3712,16 @@ ath5k_hw_set_txpower_limit(struct ath5k_
{
ATH5K_DBG(ah, ATH5K_DEBUG_TXPOWER,
"changing txpower to %d\n", txpower);
+ if (txpower) {
+ ah->ah_txpower.txp_user_pwr = txpower;
- return ath5k_hw_txpower(ah, ah->ah_current_channel, txpower);
+ if (ah->ah_txpower.txp_user_pwr > AR5K_TUNE_MAX_TXPOWER) {
+ ATH5K_ERR(ah, "invalid tx power: %u\n", ah->ah_txpower.txp_user_pwr);
+ return -EINVAL;
+ }
+ }
+ /* Save min/max and current tx power for this channel
+ * in 0.25dB units.
+ *
+ * Note: We use rates[0] for current tx power because
+ * it covers most of the rates, in most cases. It's our
+ * tx power limit and what the user expects to see. */
+ ah->ah_txpower.txp_min_pwr = 2 * rates[7];
+ ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
+
+ return ath5k_hw_txpower(ah, ah->ah_current_channel);
+ /* Set max txpower for correct OFDM operation on all rates
+ * -that is the txpower for 54Mbit-, it's used for the PAPD
+ * gain probe and it's in 0.5dB units */
+ ah->ah_txpower.txp_ofdm = rates[7];
+
/* Now that we have all rates setup use table offset to
* match the power range set by user with the power indices
* on PCDAC/PDADC table */
for (i = 0; i < 16; i++) {
- rates[i] += ah->ah_txpower.txp_offset;
+ rate_idx_scaled = rates[i] + ah->ah_txpower.txp_offset;
/* Don't get out of bounds */
- if (rates[i] > 63)
- rates[i] = 63;
+ if (rate_idx_scaled > 63)
+ rate_idx_scaled = 63;
+ if (rate_idx_scaled < 0)
+ rate_idx_scaled = 0;
+ rates[i] = rate_idx_scaled;
}
-
- /* Min/max in 0.25dB units */
- ah->ah_txpower.txp_min_pwr = 2 * rates[7];
- ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
- ah->ah_txpower.txp_ofdm = rates[7];
}
@@ -3791,8 +3792,8 @@ ath5k_hw_phy_init(struct ath5k_hw *ah, s
@@ -3641,10 +3654,17 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
if (!ah->ah_txpower.txp_setup ||
(channel->hw_value != curr_channel->hw_value) ||
(channel->center_freq != curr_channel->center_freq)) {
- /* Reset TX power values */
+ /* Reset TX power values but preserve requested
+ * tx power from above */
+ int requested_txpower = ah->ah_txpower.txp_requested;
+
memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
+
+ /* Restore TPC setting and requested tx power */
ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
+ ah->ah_txpower.txp_requested = requested_txpower;
+
/* Calculate the powertable */
ret = ath5k_setup_channel_powertable(ah, channel,
ee_mode, type);
@@ -3791,8 +3811,9 @@ ath5k_hw_phy_init(struct ath5k_hw *ah, s
* RF buffer settings on 5211/5212+ so that we
* properly set curve indices.
*/
- ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_cur_pwr ?
- ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER);
+ ret = ath5k_hw_txpower(ah, channel);
+
+ ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_requested ?
+ ah->ah_txpower.txp_requested * 2 :
+ AR5K_TUNE_MAX_TXPOWER);
if (ret)
return ret;

6
package/mac80211/patches/411-ath5k_allow_adhoc_and_ap.patch
View File

@ -18,7 +18,7 @@
goto end;
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1875,7 +1875,7 @@ ath5k_beacon_send(struct ath5k_hw *ah)
@@ -1878,7 +1878,7 @@ ath5k_beacon_send(struct ath5k_hw *ah)
}
if ((ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs +
@ -27,7 +27,7 @@
ah->opmode == NL80211_IFTYPE_MESH_POINT) {
u64 tsf = ath5k_hw_get_tsf64(ah);
u32 tsftu = TSF_TO_TU(tsf);
@@ -1961,7 +1961,7 @@ ath5k_beacon_update_timers(struct ath5k_
@@ -1964,7 +1964,7 @@ ath5k_beacon_update_timers(struct ath5k_
intval = ah->bintval & AR5K_BEACON_PERIOD;
if (ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs
@ -36,7 +36,7 @@
intval /= ATH_BCBUF; /* staggered multi-bss beacons */
if (intval < 15)
ATH5K_WARN(ah, "intval %u is too low, min 15\n",
@@ -2426,6 +2426,7 @@ static const struct ieee80211_iface_limi
@@ -2429,6 +2429,7 @@ static const struct ieee80211_iface_limi
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif