From: Chaoming_Li <chaoming_li@xxxxxxxxxxxxxx>
Convert rc routines for addition of RTL8192SE and RTL8192DE code
Signed-off-by: Chaoming_Li <chaoming_li@xxxxxxxxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
rc.c | 213 +++++++++++++++++++++++++++----------------------------------------
rc.h | 10 ++-
2 files changed, 97 insertions(+), 126 deletions(-)
---
Index: wireless-testing/drivers/net/wireless/rtlwifi/rc.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rc.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rc.c
@@ -38,17 +38,14 @@
*CCK11M or OFDM_54M based on wireless mode.
*/
static u8 _rtl_rc_get_highest_rix(struct rtl_priv *rtlpriv,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, bool not_data)
{
struct rtl_mac *rtlmac = rtl_mac(rtlpriv);
-
- /*
- *mgt use 1M, although we have check it
- *before this function use rate_control_send_low,
- *we still check it here
- */
- if (not_data)
- return rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M];
+ struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+ struct rtl_phy *rtlphy = &(rtlpriv->phy);
+ struct rtl_sta_info *sta_entry = NULL;
+ u8 wireless_mode = 0;
/*
*this rate is no use for true rate, firmware
@@ -57,35 +54,78 @@ static u8 _rtl_rc_get_highest_rix(struct
*2.in rtl_get_tcb_desc when we check rate is
* 1M we will not use FW rate but user rate.
*/
- if (rtl_is_special_data(rtlpriv->mac80211.hw, skb, true)) {
- return rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M];
+ if (rtlmac->opmode == NL80211_IFTYPE_AP ||
+ rtlmac->opmode == NL80211_IFTYPE_ADHOC) {
+ if (sta) {
+ sta_entry = (struct rtl_sta_info *) sta->drv_priv;
+ wireless_mode = sta_entry->wireless_mode;
+ } else {
+ return 0;
+ }
} else {
- if (rtlmac->mode == WIRELESS_MODE_B)
- return rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
- else
- return rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
+ wireless_mode = rtlmac->mode;
+ }
+
+ if (rtl_is_special_data(rtlpriv->mac80211.hw, skb, true) ||
+ not_data) {
+ return 0;
+ } else {
+ if (rtlhal->current_bandtype == BAND_ON_2_4G) {
+ if (wireless_mode == WIRELESS_MODE_B) {
+ return B_MODE_MAX_RIX;
+ } else if (wireless_mode == WIRELESS_MODE_G) {
+ return G_MODE_MAX_RIX;
+ } else {
+ if (get_rf_type(rtlphy) != RF_2T2R)
+ return N_MODE_MCS7_RIX;
+ else
+ return N_MODE_MCS15_RIX;
+ }
+ } else {
+ if (wireless_mode == WIRELESS_MODE_A) {
+ return A_MODE_MAX_RIX;
+ } else {
+ if (get_rf_type(rtlphy) != RF_2T2R)
+ return N_MODE_MCS7_RIX;
+ else
+ return N_MODE_MCS15_RIX;
+ }
+ }
}
}
static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv,
+ struct ieee80211_sta *sta,
struct ieee80211_tx_rate *rate,
struct ieee80211_tx_rate_control *txrc,
- u8 tries, u8 rix, int rtsctsenable,
+ u8 tries, char rix, int rtsctsenable,
bool not_data)
{
struct rtl_mac *mac = rtl_mac(rtlpriv);
+ u8 sgi_20 = 0, sgi_40 = 0;
+ if (sta) {
+ sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
+ sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
+ }
rate->count = tries;
- rate->idx = (rix > 0x2) ? rix : 0x2;
+ rate->idx = rix >= 0x00 ? rix : 0x00;
if (!not_data) {
if (txrc->short_preamble)
rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
- if (mac->bw_40)
- rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
- if (mac->sgi_20 || mac->sgi_40)
+ if (mac->opmode == NL80211_IFTYPE_AP ||
+ mac->opmode == NL80211_IFTYPE_ADHOC) {
+ if (sta && (sta->ht_cap.cap &
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40))
+ rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+ } else {
+ if (mac->bw_40)
+ rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+ }
+ if (sgi_20 || sgi_40)
rate->flags |= IEEE80211_TX_RC_SHORT_GI;
- if (mac->ht_enable)
+ if (sta && sta->ht_cap.ht_supported)
rate->flags |= IEEE80211_TX_RC_MCS;
}
}
@@ -97,39 +137,39 @@ static void rtl_get_rate(void *ppriv, st
struct sk_buff *skb = txrc->skb;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rates = tx_info->control.rates;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- __le16 fc = hdr->frame_control;
+ __le16 fc = rtl_get_fc(skb);
u8 try_per_rate, i, rix;
bool not_data = !ieee80211_is_data(fc);
if (rate_control_send_low(sta, priv_sta, txrc))
return;
- rix = _rtl_rc_get_highest_rix(rtlpriv, skb, not_data);
-
+ rix = _rtl_rc_get_highest_rix(rtlpriv, sta, skb, not_data);
try_per_rate = 1;
- _rtl_rc_rate_set_series(rtlpriv, &rates[0], txrc,
+ _rtl_rc_rate_set_series(rtlpriv, sta, &rates[0], txrc,
try_per_rate, rix, 1, not_data);
if (!not_data) {
for (i = 1; i < 4; i++)
- _rtl_rc_rate_set_series(rtlpriv, &rates[i],
+ _rtl_rc_rate_set_series(rtlpriv, sta, &rates[i],
txrc, i, (rix - i), 1,
not_data);
}
}
-static bool _rtl_tx_aggr_check(struct rtl_priv *rtlpriv, u16 tid)
+static bool _rtl_tx_aggr_check(struct rtl_priv *rtlpriv,
+ struct rtl_sta_info *sta_entry, u16 tid)
{
struct rtl_mac *mac = rtl_mac(rtlpriv);
if (mac->act_scanning)
return false;
- if (mac->cnt_after_linked < 3)
+ if (mac->opmode == NL80211_IFTYPE_STATION &&
+ mac->cnt_after_linked < 3)
return false;
- if (mac->tids[tid].agg.agg_state == RTL_AGG_OFF)
+ if (sta_entry->tids[tid].agg.agg_state == RTL_AGG_STOP)
return true;
return false;
@@ -143,11 +183,9 @@ static void rtl_tx_status(void *ppriv,
{
struct rtl_priv *rtlpriv = ppriv;
struct rtl_mac *mac = rtl_mac(rtlpriv);
- struct ieee80211_hdr *hdr;
- __le16 fc;
-
- hdr = (struct ieee80211_hdr *)skb->data;
- fc = hdr->frame_control;
+ struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
+ __le16 fc = rtl_get_fc(skb);
+ struct rtl_sta_info *sta_entry;
if (!priv_sta || !ieee80211_is_data(fc))
return;
@@ -159,17 +197,21 @@ static void rtl_tx_status(void *ppriv,
|| is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
return;
- /* Check if aggregation has to be enabled for this tid */
- if (conf_is_ht(&mac->hw->conf) &&
- !(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
- if (ieee80211_is_data_qos(fc)) {
- u8 *qc, tid;
-
- qc = ieee80211_get_qos_ctl(hdr);
- tid = qc[0] & 0xf;
-
- if (_rtl_tx_aggr_check(rtlpriv, tid))
- ieee80211_start_tx_ba_session(sta, tid, 5000);
+ if (sta) {
+ /* Check if aggregation has to be enabled for this tid */
+ sta_entry = (struct rtl_sta_info *) sta->drv_priv;
+ if ((sta->ht_cap.ht_supported == true) &&
+ !(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
+ if (ieee80211_is_data_qos(fc)) {
+ u8 tid = rtl_get_tid(skb);
+ if (_rtl_tx_aggr_check(rtlpriv, sta_entry,
+ tid)) {
+ sta_entry->tids[tid].agg.agg_state =
+ RTL_AGG_PROGRESS;
+ ieee80211_start_tx_ba_session(sta,
+ tid, 5000);
+ }
+ }
}
}
}
@@ -178,43 +220,6 @@ static void rtl_rate_init(void *ppriv,
struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta)
{
- struct rtl_priv *rtlpriv = ppriv;
- struct rtl_mac *mac = rtl_mac(rtlpriv);
- u8 is_ht = conf_is_ht(&mac->hw->conf);
-
- if ((mac->opmode == NL80211_IFTYPE_STATION) ||
- (mac->opmode == NL80211_IFTYPE_MESH_POINT) ||
- (mac->opmode == NL80211_IFTYPE_ADHOC)) {
-
- switch (sband->band) {
- case IEEE80211_BAND_2GHZ:
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_G;
- if (is_ht)
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- case IEEE80211_BAND_5GHZ:
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_A;
- if (is_ht)
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- ("Invalid band\n"));
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- }
-
- RT_TRACE(rtlpriv, COMP_RATE, DBG_DMESG,
- ("Choosing rate table index: %d\n",
- rtlpriv->rate_priv->cur_ratetab_idx));
-
- }
-
}
static void rtl_rate_update(void *ppriv,
@@ -223,49 +228,6 @@ static void rtl_rate_update(void *ppriv,
u32 changed,
enum nl80211_channel_type oper_chan_type)
{
- struct rtl_priv *rtlpriv = ppriv;
- struct rtl_mac *mac = rtl_mac(rtlpriv);
- struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
- bool oper_cw40 = false, oper_sgi40;
- bool local_cw40 = mac->bw_40;
- bool local_sgi40 = mac->sgi_40;
- u8 is_ht = conf_is_ht(&mac->hw->conf);
-
- if (changed & IEEE80211_RC_HT_CHANGED) {
- if (mac->opmode != NL80211_IFTYPE_STATION)
- return;
-
- if (rtlhal->hw->conf.channel_type == NL80211_CHAN_HT40MINUS ||
- rtlhal->hw->conf.channel_type == NL80211_CHAN_HT40PLUS)
- oper_cw40 = true;
-
- oper_sgi40 = mac->sgi_40;
-
- if ((local_cw40 != oper_cw40) || (local_sgi40 != oper_sgi40)) {
- switch (sband->band) {
- case IEEE80211_BAND_2GHZ:
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_G;
- if (is_ht)
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- case IEEE80211_BAND_5GHZ:
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_A;
- if (is_ht)
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- default:
- RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
- ("Invalid band\n"));
- rtlpriv->rate_priv->cur_ratetab_idx =
- RATR_INX_WIRELESS_NGB;
- break;
- }
- }
- }
}
static void *rtl_rate_alloc(struct ieee80211_hw *hw,
@@ -327,3 +289,4 @@ void rtl_rate_control_unregister(void)
{
ieee80211_rate_control_unregister(&rtl_rate_ops);
}
+
Index: wireless-testing/drivers/net/wireless/rtlwifi/rc.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rc.h
+++ wireless-testing/drivers/net/wireless/rtlwifi/rc.h
@@ -30,11 +30,19 @@
#ifndef __RTL_RC_H__
#define __RTL_RC_H__
+#define B_MODE_MAX_RIX 3
+#define G_MODE_MAX_RIX 11
+#define A_MODE_MAX_RIX 7
+
+/* in mac80211 mcs0-mcs15 is idx0-idx15*/
+#define N_MODE_MCS7_RIX 7
+#define N_MODE_MCS15_RIX 15
+
struct rtl_rate_priv {
- u8 cur_ratetab_idx;
u8 ht_cap;
};
int rtl_rate_control_register(void);
void rtl_rate_control_unregister(void);
#endif
+
--
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