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openwrt-xburst/package/mac80211/patches/419-mac80211-remove-antenna-sel.patch

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mac80211: add rate control rewrite and enhance the performance of the minstrel algorithm for non-mrr configurations git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-10-11 04:33:09 +03:00
Subject: mac80211: kill hw.conf.antenna_sel_{rx,tx}
Never actually used.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
drivers/net/wireless/b43/main.c | 25 +++----------------------
drivers/net/wireless/b43legacy/main.c | 18 ++----------------
drivers/net/wireless/p54/p54common.c | 3 +--
drivers/net/wireless/rt2x00/rt2x00config.c | 20 ++++----------------
drivers/net/wireless/rt2x00/rt2x00dev.c | 6 ++----
include/net/mac80211.h | 7 +------
net/mac80211/debugfs.c | 8 --------
net/mac80211/ieee80211_i.h | 2 --
net/mac80211/tx.c | 1 -
9 files changed, 13 insertions(+), 77 deletions(-)
--- everything.orig/net/mac80211/debugfs.c 2008-10-08 22:35:20.000000000 +0200
+++ everything/net/mac80211/debugfs.c 2008-10-08 22:35:26.000000000 +0200
@@ -47,10 +47,6 @@ static const struct file_operations name
DEBUGFS_READONLY_FILE(frequency, 20, "%d",
local->hw.conf.channel->center_freq);
-DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
- local->hw.conf.antenna_sel_tx);
-DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
- local->hw.conf.antenna_sel_rx);
DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
local->rts_threshold);
DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
@@ -202,8 +198,6 @@ void debugfs_hw_add(struct ieee80211_loc
local->debugfs.keys = debugfs_create_dir("keys", phyd);
DEBUGFS_ADD(frequency);
- DEBUGFS_ADD(antenna_sel_tx);
- DEBUGFS_ADD(antenna_sel_rx);
DEBUGFS_ADD(rts_threshold);
DEBUGFS_ADD(fragmentation_threshold);
DEBUGFS_ADD(short_retry_limit);
@@ -258,8 +252,6 @@ void debugfs_hw_add(struct ieee80211_loc
void debugfs_hw_del(struct ieee80211_local *local)
{
DEBUGFS_DEL(frequency);
- DEBUGFS_DEL(antenna_sel_tx);
- DEBUGFS_DEL(antenna_sel_rx);
DEBUGFS_DEL(rts_threshold);
DEBUGFS_DEL(fragmentation_threshold);
DEBUGFS_DEL(short_retry_limit);
--- everything.orig/net/mac80211/ieee80211_i.h 2008-10-08 22:35:01.000000000 +0200
+++ everything/net/mac80211/ieee80211_i.h 2008-10-08 22:35:10.000000000 +0200
@@ -727,8 +727,6 @@ struct ieee80211_local {
struct dentry *rcdir;
struct dentry *rcname;
struct dentry *frequency;
- struct dentry *antenna_sel_tx;
- struct dentry *antenna_sel_rx;
struct dentry *rts_threshold;
struct dentry *fragmentation_threshold;
struct dentry *short_retry_limit;
--- everything.orig/include/net/mac80211.h 2008-10-08 22:35:30.000000000 +0200
+++ everything/include/net/mac80211.h 2008-10-08 22:39:56.000000000 +0200
@@ -324,7 +324,7 @@ struct ieee80211_tx_altrate {
* @flags: transmit info flags, defined above
* @band: TBD
* @tx_rate_idx: TBD
- * @antenna_sel_tx: TBD
+ * @antenna_sel_tx: antenna to use, 0 for automatic diversity
* @control: union for control data
* @status: union for status data
* @driver_data: array of driver_data pointers
@@ -474,9 +474,6 @@ static inline int __deprecated __IEEE802
* @listen_interval: listen interval in units of beacon interval
* @flags: configuration flags defined above
* @power_level: requested transmit power (in dBm)
- * @antenna_sel_tx: transmit antenna selection, 0: default/diversity,
- * 1/2: antenna 0/1
- * @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx
* @ht_cap: describes current self configuration of 802.11n HT capabilities
* @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters
* @channel: the channel to tune to
@@ -488,8 +485,6 @@ struct ieee80211_conf {
u16 listen_interval;
u32 flags;
int power_level;
- u8 antenna_sel_tx;
- u8 antenna_sel_rx;
struct ieee80211_channel *channel;
--- everything.orig/net/mac80211/tx.c 2008-10-08 22:37:05.000000000 +0200
+++ everything/net/mac80211/tx.c 2008-10-08 22:37:22.000000000 +0200
@@ -1975,7 +1975,6 @@ struct sk_buff *ieee80211_beacon_get(str
sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
- info->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
info->control.retry_limit = 1;
out:
--- everything.orig/drivers/net/wireless/b43/main.c 2008-10-08 22:40:06.000000000 +0200
+++ everything/drivers/net/wireless/b43/main.c 2008-10-08 22:40:45.000000000 +0200
@@ -1339,25 +1339,6 @@ u8 b43_ieee80211_antenna_sanitize(struct
return antenna_nr;
}
-static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna)
-{
- antenna = b43_ieee80211_antenna_sanitize(dev, antenna);
- switch (antenna) {
- case 0: /* default/diversity */
- return B43_ANTENNA_DEFAULT;
- case 1: /* Antenna 0 */
- return B43_ANTENNA0;
- case 2: /* Antenna 1 */
- return B43_ANTENNA1;
- case 3: /* Antenna 2 */
- return B43_ANTENNA2;
- case 4: /* Antenna 3 */
- return B43_ANTENNA3;
- default:
- return B43_ANTENNA_DEFAULT;
- }
-}
-
/* Convert a b43 antenna number value to the PHY TX control value. */
static u16 b43_antenna_to_phyctl(int antenna)
{
@@ -1399,7 +1380,7 @@ static void b43_write_beacon_template(st
len, ram_offset, shm_size_offset, rate);
/* Write the PHY TX control parameters. */
- antenna = b43_antenna_from_ieee80211(dev, info->antenna_sel_tx);
+ antenna = B43_ANTENNA_DEFAULT;
antenna = b43_antenna_to_phyctl(antenna);
ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
/* We can't send beacons with short preamble. Would get PHY errors. */
@@ -3399,9 +3380,9 @@ static int b43_op_config(struct ieee8021
}
/* Antennas for RX and management frame TX. */
- antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_tx);
+ antenna = B43_ANTENNA_DEFAULT;
b43_mgmtframe_txantenna(dev, antenna);
- antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx);
+ antenna = B43_ANTENNA_DEFAULT;
if (phy->ops->set_rx_antenna)
phy->ops->set_rx_antenna(dev, antenna);
--- everything.orig/drivers/net/wireless/b43legacy/main.c 2008-10-08 22:41:36.000000000 +0200
+++ everything/drivers/net/wireless/b43legacy/main.c 2008-10-08 22:41:59.000000000 +0200
@@ -2556,20 +2556,6 @@ init_failure:
return err;
}
-static int b43legacy_antenna_from_ieee80211(u8 antenna)
-{
- switch (antenna) {
- case 0: /* default/diversity */
- return B43legacy_ANTENNA_DEFAULT;
- case 1: /* Antenna 0 */
- return B43legacy_ANTENNA0;
- case 2: /* Antenna 1 */
- return B43legacy_ANTENNA1;
- default:
- return B43legacy_ANTENNA_DEFAULT;
- }
-}
-
static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
struct ieee80211_conf *conf)
{
@@ -2583,8 +2569,8 @@ static int b43legacy_op_dev_config(struc
int err = 0;
u32 savedirqs;
- antenna_tx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_tx);
- antenna_rx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_rx);
+ antenna_tx = B43legacy_ANTENNA_DEFAULT;
+ antenna_rx = B43legacy_ANTENNA_DEFAULT;
mutex_lock(&wl->mutex);
dev = wl->current_dev;
--- everything.orig/drivers/net/wireless/p54/p54common.c 2008-10-08 22:43:54.000000000 +0200
+++ everything/drivers/net/wireless/p54/p54common.c 2008-10-08 22:44:12.000000000 +0200
@@ -1211,8 +1211,7 @@ static int p54_config(struct ieee80211_h
struct p54_common *priv = dev->priv;
mutex_lock(&priv->conf_mutex);
- priv->rx_antenna = (conf->antenna_sel_rx == 0) ?
- 2 : conf->antenna_sel_tx - 1;
+ priv->rx_antenna = 2; /* automatic */
priv->output_power = conf->power_level << 2;
ret = p54_set_freq(dev, cpu_to_le16(conf->channel->center_freq));
p54_set_vdcf(dev);
--- everything.orig/drivers/net/wireless/rt2x00/rt2x00config.c 2008-10-08 22:44:57.000000000 +0200
+++ everything/drivers/net/wireless/rt2x00/rt2x00config.c 2008-10-08 22:45:36.000000000 +0200
@@ -199,23 +199,15 @@ void rt2x00lib_config(struct rt2x00_dev
* to work with untill the link tuner decides that an antenna
* switch should be performed.
*/
- if (!conf->antenna_sel_rx &&
- default_ant->rx != ANTENNA_SW_DIVERSITY &&
+ if (default_ant->rx != ANTENNA_SW_DIVERSITY &&
default_ant->rx != active_ant->rx)
flags |= CONFIG_UPDATE_ANTENNA;
- else if (conf->antenna_sel_rx &&
- conf->antenna_sel_rx != active_ant->rx)
- flags |= CONFIG_UPDATE_ANTENNA;
else if (active_ant->rx == ANTENNA_SW_DIVERSITY)
flags |= CONFIG_UPDATE_ANTENNA;
- if (!conf->antenna_sel_tx &&
- default_ant->tx != ANTENNA_SW_DIVERSITY &&
+ if (default_ant->tx != ANTENNA_SW_DIVERSITY &&
default_ant->tx != active_ant->tx)
flags |= CONFIG_UPDATE_ANTENNA;
- else if (conf->antenna_sel_tx &&
- conf->antenna_sel_tx != active_ant->tx)
- flags |= CONFIG_UPDATE_ANTENNA;
else if (active_ant->tx == ANTENNA_SW_DIVERSITY)
flags |= CONFIG_UPDATE_ANTENNA;
@@ -252,18 +244,14 @@ config:
}
if (flags & CONFIG_UPDATE_ANTENNA) {
- if (conf->antenna_sel_rx)
- libconf.ant.rx = conf->antenna_sel_rx;
- else if (default_ant->rx != ANTENNA_SW_DIVERSITY)
+ if (default_ant->rx != ANTENNA_SW_DIVERSITY)
libconf.ant.rx = default_ant->rx;
else if (active_ant->rx == ANTENNA_SW_DIVERSITY)
libconf.ant.rx = ANTENNA_B;
else
libconf.ant.rx = active_ant->rx;
- if (conf->antenna_sel_tx)
- libconf.ant.tx = conf->antenna_sel_tx;
- else if (default_ant->tx != ANTENNA_SW_DIVERSITY)
+ if (default_ant->tx != ANTENNA_SW_DIVERSITY)
libconf.ant.tx = default_ant->tx;
else if (active_ant->tx == ANTENNA_SW_DIVERSITY)
libconf.ant.tx = ANTENNA_B;
--- everything.orig/drivers/net/wireless/rt2x00/rt2x00dev.c 2008-10-08 22:44:28.000000000 +0200
+++ everything/drivers/net/wireless/rt2x00/rt2x00dev.c 2008-10-08 22:44:43.000000000 +0200
@@ -249,11 +249,9 @@ static void rt2x00lib_evaluate_antenna(s
rt2x00dev->link.ant.flags &= ~ANTENNA_RX_DIVERSITY;
rt2x00dev->link.ant.flags &= ~ANTENNA_TX_DIVERSITY;
- if (rt2x00dev->hw->conf.antenna_sel_rx == 0 &&
- rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
+ if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
rt2x00dev->link.ant.flags |= ANTENNA_RX_DIVERSITY;
- if (rt2x00dev->hw->conf.antenna_sel_tx == 0 &&
- rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
+ if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
rt2x00dev->link.ant.flags |= ANTENNA_TX_DIVERSITY;
if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) &&
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