This patch conforms the rate scaling flows according to the new mac80211's
HT framework
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-4965-rs.c | 93 +++++++++++++++++-----------
1 files changed, 57 insertions(+), 36 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index 9b213a1..cdaf45a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -440,15 +440,14 @@ static inline void rs_toggle_antenna(struct iwl_rate *new_rate,
}
}
-static inline u8 rs_use_green(struct iwl_priv *priv)
+static inline u8 rs_use_green(struct iwl_priv *priv,
+ struct ieee80211_conf *conf)
{
#ifdef CONFIG_IWL4965_HT
- if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht)
- return 0;
-
- return ((priv->current_assoc_ht.is_green_field) &&
- !(priv->current_assoc_ht.operating_mode & 0x4));
-#endif /*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);
+#endif /* CONFIG_IWL4965_HT */
return 0;
}
@@ -888,6 +887,8 @@ static inline u8 rs_is_both_ant_supp(u8 valid_antenna)
static int rs_switch_to_mimo(struct iwl_priv *priv,
struct iwl_rate_scale_priv *lq_data,
+ struct ieee80211_conf *conf,
+ struct sta_info *sta,
struct iwl_scale_tbl_info *tbl, int index)
{
#ifdef CONFIG_IWL4965_HT
@@ -895,7 +896,8 @@ static int rs_switch_to_mimo(struct iwl_priv *priv,
s32 rate;
s8 is_green = lq_data->is_green;
- if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht)
+ if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
+ !sta->ht_info.ht_supported)
return -1;
IWL_DEBUG_HT("LQ: try to switch to MIMO\n");
@@ -903,7 +905,7 @@ static int rs_switch_to_mimo(struct iwl_priv *priv,
rs_get_supported_rates(lq_data, NULL, tbl->lq_type,
&rate_mask);
- if (priv->current_assoc_ht.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC)
+ if (priv->current_ht_config.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC)
return -1;
if (!rs_is_both_ant_supp(lq_data->antenna))
@@ -911,17 +913,18 @@ static int rs_switch_to_mimo(struct iwl_priv *priv,
tbl->is_dup = lq_data->is_dup;
tbl->action = 0;
- if (priv->current_channel_width == IWL_CHANNEL_WIDTH_40MHZ)
+ if (priv->current_ht_config.supported_chan_width
+ == IWL_CHANNEL_WIDTH_40MHZ)
tbl->is_fat = 1;
else
tbl->is_fat = 0;
if (tbl->is_fat) {
- if (priv->current_assoc_ht.sgf & HT_SHORT_GI_40MHZ_ONLY)
+ if (priv->current_ht_config.sgf & HT_SHORT_GI_40MHZ_ONLY)
tbl->is_SGI = 1;
else
tbl->is_SGI = 0;
- } else if (priv->current_assoc_ht.sgf & HT_SHORT_GI_20MHZ_ONLY)
+ } else if (priv->current_ht_config.sgf & HT_SHORT_GI_20MHZ_ONLY)
tbl->is_SGI = 1;
else
tbl->is_SGI = 0;
@@ -944,6 +947,8 @@ static int rs_switch_to_mimo(struct iwl_priv *priv,
static int rs_switch_to_siso(struct iwl_priv *priv,
struct iwl_rate_scale_priv *lq_data,
+ struct ieee80211_conf *conf,
+ struct sta_info *sta,
struct iwl_scale_tbl_info *tbl, int index)
{
#ifdef CONFIG_IWL4965_HT
@@ -952,7 +957,8 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
s32 rate;
IWL_DEBUG_HT("LQ: try to switch to SISO\n");
- if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht)
+ if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
+ !sta->ht_info.ht_supported)
return -1;
tbl->is_dup = lq_data->is_dup;
@@ -961,17 +967,18 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
rs_get_supported_rates(lq_data, NULL, tbl->lq_type,
&rate_mask);
- if (priv->current_channel_width == IWL_CHANNEL_WIDTH_40MHZ)
+ if (priv->current_ht_config.supported_chan_width
+ == IWL_CHANNEL_WIDTH_40MHZ)
tbl->is_fat = 1;
else
tbl->is_fat = 0;
if (tbl->is_fat) {
- if (priv->current_assoc_ht.sgf & HT_SHORT_GI_40MHZ_ONLY)
+ if (priv->current_ht_config.sgf & HT_SHORT_GI_40MHZ_ONLY)
tbl->is_SGI = 1;
else
tbl->is_SGI = 0;
- } else if (priv->current_assoc_ht.sgf & HT_SHORT_GI_20MHZ_ONLY)
+ } else if (priv->current_ht_config.sgf & HT_SHORT_GI_20MHZ_ONLY)
tbl->is_SGI = 1;
else
tbl->is_SGI = 0;
@@ -998,6 +1005,8 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
static int rs_move_legacy_other(struct iwl_priv *priv,
struct iwl_rate_scale_priv *lq_data,
+ struct ieee80211_conf *conf,
+ struct sta_info *sta,
int index)
{
int ret = 0;
@@ -1037,8 +1046,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
search_tbl->lq_type = LQ_SISO;
search_tbl->is_SGI = 0;
search_tbl->is_fat = 0;
- ret = rs_switch_to_siso(priv, lq_data, search_tbl,
- index);
+ ret = rs_switch_to_siso(priv, lq_data, conf, sta,
+ search_tbl, index);
if (!ret) {
lq_data->search_better_tbl = 1;
lq_data->action_counter = 0;
@@ -1053,8 +1062,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
search_tbl->is_SGI = 0;
search_tbl->is_fat = 0;
search_tbl->antenna_type = ANT_BOTH;
- ret = rs_switch_to_mimo(priv, lq_data, search_tbl,
- index);
+ ret = rs_switch_to_mimo(priv, lq_data, conf, sta,
+ search_tbl, index);
if (!ret) {
lq_data->search_better_tbl = 1;
lq_data->action_counter = 0;
@@ -1082,6 +1091,8 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
static int rs_move_siso_to_other(struct iwl_priv *priv,
struct iwl_rate_scale_priv *lq_data,
+ struct ieee80211_conf *conf,
+ struct sta_info *sta,
int index)
{
int ret;
@@ -1122,8 +1133,8 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
search_tbl->is_SGI = 0;
search_tbl->is_fat = 0;
search_tbl->antenna_type = ANT_BOTH;
- ret = rs_switch_to_mimo(priv, lq_data, search_tbl,
- index);
+ ret = rs_switch_to_mimo(priv, lq_data, conf, sta,
+ search_tbl, index);
if (!ret) {
lq_data->search_better_tbl = 1;
goto out;
@@ -1172,6 +1183,8 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
static int rs_move_mimo_to_other(struct iwl_priv *priv,
struct iwl_rate_scale_priv *lq_data,
+ struct ieee80211_conf *conf,
+ struct sta_info *sta,
int index)
{
int ret;
@@ -1199,8 +1212,8 @@ static int rs_move_mimo_to_other(struct iwl_priv *priv,
else
search_tbl->antenna_type = ANT_AUX;
- ret = rs_switch_to_siso(priv, lq_data, search_tbl,
- index);
+ ret = rs_switch_to_siso(priv, lq_data, conf, sta,
+ search_tbl, index);
if (!ret) {
lq_data->search_better_tbl = 1;
goto out;
@@ -1307,6 +1320,9 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
struct sta_info *sta)
{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw *hw = local_to_hw(local);
+ struct ieee80211_conf *conf = &hw->conf;
int low = IWL_RATE_INVALID;
int high = IWL_RATE_INVALID;
int index;
@@ -1545,11 +1561,11 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
lq_data->last_tpt = current_tpt;
if (is_legacy(tbl->lq_type))
- rs_move_legacy_other(priv, lq_data, index);
+ rs_move_legacy_other(priv, lq_data, conf, sta, index);
else if (is_siso(tbl->lq_type))
- rs_move_siso_to_other(priv, lq_data, index);
+ rs_move_siso_to_other(priv, lq_data, conf, sta, index);
else
- rs_move_mimo_to_other(priv, lq_data, index);
+ rs_move_mimo_to_other(priv, lq_data, conf, sta, index);
if (lq_data->search_better_tbl) {
tbl = &(lq_data->lq_info[(1 - lq_data->active_tbl)]);
@@ -1569,7 +1585,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
if (is_legacy(tbl1->lq_type) &&
#ifdef CONFIG_IWL4965_HT
- !priv->current_assoc_ht.is_ht &&
+ (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) &&
#endif
(lq_data->action_counter >= 1)) {
lq_data->action_counter = 0;
@@ -1613,6 +1629,7 @@ out:
static void rs_initialize_lq(struct iwl_priv *priv,
+ struct ieee80211_conf *conf,
struct sta_info *sta)
{
int i;
@@ -1620,7 +1637,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
struct iwl_scale_tbl_info *tbl;
u8 active_tbl = 0;
int rate_idx;
- u8 use_green = rs_use_green(priv);
+ u8 use_green = rs_use_green(priv, conf);
struct iwl_rate mcs_rate;
if (!sta || !sta->rate_ctrl_priv)
@@ -1689,6 +1706,7 @@ static struct ieee80211_rate *rs_get_rate(void *priv_rate,
int i;
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct sta_info *sta;
u16 fc;
@@ -1732,7 +1750,7 @@ static struct ieee80211_rate *rs_get_rate(void *priv_rate,
lq->lq.sta_id = sta_id;
lq->lq.rs_table[0].rate_n_flags = 0;
lq->ibss_sta_added = 1;
- rs_initialize_lq(priv, sta);
+ rs_initialize_lq(priv, conf, sta);
}
if (!lq->ibss_sta_added)
goto done;
@@ -1772,6 +1790,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
struct sta_info *sta)
{
int i, j;
+ struct ieee80211_conf *conf = &local->hw.conf;
struct ieee80211_hw_mode *mode = local->oper_hw_mode;
struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
struct iwl_rate_scale_priv *crl = priv_sta;
@@ -1827,19 +1846,21 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
crl->is_dup = 0;
crl->valid_antenna = priv->valid_antenna;
crl->antenna = priv->antenna;
- crl->is_green = rs_use_green(priv);
+ crl->is_green = rs_use_green(priv, conf);
crl->active_rate = priv->active_rate;
crl->active_rate &= ~(0x1000);
crl->active_rate_basic = priv->active_rate_basic;
crl->phymode = priv->phymode;
#ifdef CONFIG_IWL4965_HT
- crl->active_siso_rate = (priv->current_assoc_ht.supp_rates[0] << 1);
- crl->active_siso_rate |= (priv->current_assoc_ht.supp_rates[0] & 0x1);
+ crl->active_siso_rate = (priv->current_ht_config.supp_mcs_set[0] << 1);
+ crl->active_siso_rate |=
+ (priv->current_ht_config.supp_mcs_set[0] & 0x1);
crl->active_siso_rate &= ~((u16)0x2);
crl->active_siso_rate = crl->active_siso_rate << IWL_FIRST_OFDM_RATE;
- crl->active_mimo_rate = (priv->current_assoc_ht.supp_rates[1] << 1);
- crl->active_mimo_rate |= (priv->current_assoc_ht.supp_rates[1] & 0x1);
+ crl->active_mimo_rate = (priv->current_ht_config.supp_mcs_set[1] << 1);
+ crl->active_mimo_rate |=
+ (priv->current_ht_config.supp_mcs_set[1] & 0x1);
crl->active_mimo_rate &= ~((u16)0x2);
crl->active_mimo_rate = crl->active_mimo_rate << IWL_FIRST_OFDM_RATE;
IWL_DEBUG_HT("MIMO RATE 0x%X SISO MASK 0x%X\n", crl->active_siso_rate,
@@ -1852,7 +1873,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
if (priv->assoc_station_added)
priv->lq_mngr.lq_ready = 1;
- rs_initialize_lq(priv, sta);
+ rs_initialize_lq(priv, conf, sta);
}
static void rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
--
1.5.3.3
---------------------------------------------------------------------
Intel Israel (74) Limited
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