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authorGuy Cohen <guy.cohen@intel.com>2008-04-23 17:15:02 -0700
committerJohn W. Linville <linville@tuxdriver.com>2008-05-07 15:02:19 -0400
commitf935a6daa07ac78a35d1513fc61c88774b628a4c (patch)
treec9c62623098c3da46ec61b22128919ff5a9e17e8
parent69fdb3090846de1cdc4fcb4f7e74533f5acbfa98 (diff)
iwlwifi: rate sacaling fixes
1. Fixing support for tx in antenna C 2. Enable stay_in_column expiration after 2 seconds Signed-off-by: Guy Cohen <guy.cohen@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-hw.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-rs.c25
2 files changed, 15 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
index 0c132b93d903..4f45093ab3ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
@@ -1356,9 +1356,9 @@ static inline u8 iwl4965_hw_get_rate(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0xFF;
}
-static inline u16 iwl4965_hw_get_rate_n_flags(__le32 rate_n_flags)
+static inline u32 iwl4965_hw_get_rate_n_flags(__le32 rate_n_flags)
{
- return le32_to_cpu(rate_n_flags) & 0xFFFF;
+ return le32_to_cpu(rate_n_flags) & 0x1FFFF;
}
static inline __le32 iwl4965_hw_set_rate_n_flags(u8 rate, u16 flags)
{
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index 469c143297ec..5129d57ed591 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -620,17 +620,21 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
}
/* FIXME:RS: in 4965 we don't use greenfield at all */
-static inline u8 rs_use_green(struct iwl_priv *priv,
- struct ieee80211_conf *conf)
+/* FIXME:RS: don't use greenfield for now in TX */
+/* #ifdef CONFIG_IWL4965_HT */
+#if 0
+static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
{
-#ifdef CONFIG_IWL4965_HT
return ((conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) &&
priv->current_ht_config.is_green_field &&
!priv->current_ht_config.non_GF_STA_present);
+}
#else
+static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
+{
return 0;
-#endif /* CONFIG_IWL4965_HT */
}
+#endif /* CONFIG_IWL4965_HT */
/**
* rs_get_supported_rates - get the available rates
@@ -1058,7 +1062,7 @@ static void rs_set_expected_tpt_table(struct iwl4965_lq_sta *lq_sta,
static s32 rs_get_best_rate(struct iwl_priv *priv,
struct iwl4965_lq_sta *lq_sta,
struct iwl4965_scale_tbl_info *tbl, /* "search" */
- u16 rate_mask, s8 index, s8 rate)
+ u16 rate_mask, s8 index)
{
/* "active" values */
struct iwl4965_scale_tbl_info *active_tbl =
@@ -1071,6 +1075,7 @@ static s32 rs_get_best_rate(struct iwl_priv *priv,
s32 new_rate, high, low, start_hi;
u16 high_low;
+ s8 rate = index;
new_rate = high = low = start_hi = IWL_RATE_INVALID;
@@ -1197,7 +1202,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
rs_set_expected_tpt_table(lq_sta, tbl);
- rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index, index);
+ rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index);
IWL_DEBUG_RATE("LQ: MIMO2 best rate %d mask %X\n", rate, rate_mask);
@@ -1270,7 +1275,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
tbl->is_SGI = 0; /*11n spec: no SGI in SISO+Greenfield*/
rs_set_expected_tpt_table(lq_sta, tbl);
- rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index, index);
+ rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index);
IWL_DEBUG_RATE("LQ: get best rate %d mask %X\n", rate, rate_mask);
if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) {
@@ -1284,7 +1289,6 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
return 0;
#else
return -1;
-
#endif /*CONFIG_IWL4965_HT */
}
@@ -1311,7 +1315,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
for (; ;) {
switch (tbl->action) {
case IWL_LEGACY_SWITCH_ANTENNA:
- IWL_DEBUG_RATE("LQ Legacy toggle Antenna\n");
+ IWL_DEBUG_RATE("LQ: Legacy toggle Antenna\n");
lq_sta->action_counter++;
@@ -1580,9 +1584,6 @@ static void rs_stay_in_table(struct iwl4965_lq_sta *lq_sta)
(unsigned long)(lq_sta->flush_timer +
IWL_RATE_SCALE_FLUSH_INTVL));
- /* For now, disable the elapsed time criterion */
- flush_interval_passed = 0;
-
/*
* Check if we should allow search for new modulation mode.
* If many frames have failed or succeeded, or we've used