10c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger/****************************************************************************** 20c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 3a8d760668eebc98915383481cb3d9eaf74c2a615Larry Finger * Copyright(c) 2009-2012 Realtek Corporation. 40c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 50c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * This program is free software; you can redistribute it and/or modify it 60c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * under the terms of version 2 of the GNU General Public License as 70c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * published by the Free Software Foundation. 80c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 90c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * This program is distributed in the hope that it will be useful, but WITHOUT 100c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 110c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 120c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * more details. 130c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 140c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * You should have received a copy of the GNU General Public License along with 150c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * this program; if not, write to the Free Software Foundation, Inc., 160c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 170c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 180c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * The full GNU General Public License is included in this distribution in the 190c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * file called LICENSE. 200c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 210c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * Contact Information: 220c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * wlanfae <wlanfae@realtek.com> 230c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 240c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * Hsinchu 300, Taiwan. 250c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 260c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * Larry Finger <Larry.Finger@lwfinger.net> 270c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 280c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *****************************************************************************/ 290c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 300c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger#include "wifi.h" 310c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger#include "base.h" 320c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger#include "rc.h" 330c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 340c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger/* 350c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *Finds the highest rate index we can use 360c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *if skb is special data like DHCP/EAPOL, we set should 370c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *it to lowest rate CCK_1M, otherwise we set rate to 380c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *CCK11M or OFDM_54M based on wireless mode. 390c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger */ 400c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic u8 _rtl_rc_get_highest_rix(struct rtl_priv *rtlpriv, 41c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct ieee80211_sta *sta, 420c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct sk_buff *skb, bool not_data) 430c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 440c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_mac *rtlmac = rtl_mac(rtlpriv); 45c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 46c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct rtl_phy *rtlphy = &(rtlpriv->phy); 47c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct rtl_sta_info *sta_entry = NULL; 48c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li u8 wireless_mode = 0; 490c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 500c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger /* 510c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *this rate is no use for true rate, firmware 520c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *will control rate at all it just used for 530c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *1.show in iwconfig in B/G mode 540c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger *2.in rtl_get_tcb_desc when we check rate is 550c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger * 1M we will not use FW rate but user rate. 560c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger */ 57c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (rtlmac->opmode == NL80211_IFTYPE_AP || 58c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li rtlmac->opmode == NL80211_IFTYPE_ADHOC) { 59c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta) { 60c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li sta_entry = (struct rtl_sta_info *) sta->drv_priv; 61c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li wireless_mode = sta_entry->wireless_mode; 62c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 63c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return 0; 64c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 650c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } else { 66c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li wireless_mode = rtlmac->mode; 67c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 68c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li 69c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (rtl_is_special_data(rtlpriv->mac80211.hw, skb, true) || 70c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li not_data) { 71c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return 0; 72c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 73c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (rtlhal->current_bandtype == BAND_ON_2_4G) { 74c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (wireless_mode == WIRELESS_MODE_B) { 75c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return B_MODE_MAX_RIX; 76c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else if (wireless_mode == WIRELESS_MODE_G) { 77c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return G_MODE_MAX_RIX; 78c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 79c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (get_rf_type(rtlphy) != RF_2T2R) 80c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return N_MODE_MCS7_RIX; 81c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li else 82c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return N_MODE_MCS15_RIX; 83c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 84c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 85c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (wireless_mode == WIRELESS_MODE_A) { 86c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return A_MODE_MAX_RIX; 87c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 88c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (get_rf_type(rtlphy) != RF_2T2R) 89c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return N_MODE_MCS7_RIX; 90c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li else 91c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li return N_MODE_MCS15_RIX; 92c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 93c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 940c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 950c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 960c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 970c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, 98c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct ieee80211_sta *sta, 990c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_tx_rate *rate, 1000c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_tx_rate_control *txrc, 101c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li u8 tries, char rix, int rtsctsenable, 1020c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger bool not_data) 1030c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 1040c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_mac *mac = rtl_mac(rtlpriv); 105c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li u8 sgi_20 = 0, sgi_40 = 0; 1060c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 107c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta) { 108c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 109c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 110c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 1110c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rate->count = tries; 112c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li rate->idx = rix >= 0x00 ? rix : 0x00; 1130c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1140c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (!not_data) { 1150c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (txrc->short_preamble) 1160c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE; 117c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (mac->opmode == NL80211_IFTYPE_AP || 118c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li mac->opmode == NL80211_IFTYPE_ADHOC) { 119c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta && (sta->ht_cap.cap & 120c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 121c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; 122c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } else { 123c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (mac->bw_40) 124c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; 125c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 126c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sgi_20 || sgi_40) 1270c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rate->flags |= IEEE80211_TX_RC_SHORT_GI; 128c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta && sta->ht_cap.ht_supported) 1290c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rate->flags |= IEEE80211_TX_RC_MCS; 1300c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 1310c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 1320c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1330c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_get_rate(void *ppriv, struct ieee80211_sta *sta, 1340c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger void *priv_sta, struct ieee80211_tx_rate_control *txrc) 1350c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 1360c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_priv *rtlpriv = ppriv; 1370c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct sk_buff *skb = txrc->skb; 1380c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 1390c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_tx_rate *rates = tx_info->control.rates; 140c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li __le16 fc = rtl_get_fc(skb); 1410c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger u8 try_per_rate, i, rix; 1420c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger bool not_data = !ieee80211_is_data(fc); 1430c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1440c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (rate_control_send_low(sta, priv_sta, txrc)) 1450c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return; 1460c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 147c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li rix = _rtl_rc_get_highest_rix(rtlpriv, sta, skb, not_data); 1480c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger try_per_rate = 1; 149c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li _rtl_rc_rate_set_series(rtlpriv, sta, &rates[0], txrc, 1500c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger try_per_rate, rix, 1, not_data); 1510c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1520c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (!not_data) { 1530c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger for (i = 1; i < 4; i++) 154c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li _rtl_rc_rate_set_series(rtlpriv, sta, &rates[i], 1550c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger txrc, i, (rix - i), 1, 1560c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger not_data); 1570c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 1580c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 1590c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 160c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Listatic bool _rtl_tx_aggr_check(struct rtl_priv *rtlpriv, 161c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct rtl_sta_info *sta_entry, u16 tid) 1620c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 1630c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_mac *mac = rtl_mac(rtlpriv); 1640c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1650c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (mac->act_scanning) 1660c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return false; 1670c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 168c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (mac->opmode == NL80211_IFTYPE_STATION && 169c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li mac->cnt_after_linked < 3) 1700c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return false; 1710c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 172c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta_entry->tids[tid].agg.agg_state == RTL_AGG_STOP) 1730c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return true; 1740c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1750c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return false; 1760c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 1770c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1780c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger/*mac80211 Rate Control callbacks*/ 1790c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_tx_status(void *ppriv, 1800c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_supported_band *sband, 1810c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_sta *sta, void *priv_sta, 1820c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct sk_buff *skb) 1830c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 1840c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_priv *rtlpriv = ppriv; 1850c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_mac *mac = rtl_mac(rtlpriv); 186c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 187c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li __le16 fc = rtl_get_fc(skb); 188c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li struct rtl_sta_info *sta_entry; 1890c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1900c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (!priv_sta || !ieee80211_is_data(fc)) 1910c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return; 1920c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1930c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (rtl_is_special_data(mac->hw, skb, true)) 1940c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return; 1950c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 1960c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) 1970c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger || is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 1980c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return; 1990c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 200c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (sta) { 201c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li /* Check if aggregation has to be enabled for this tid */ 202c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li sta_entry = (struct rtl_sta_info *) sta->drv_priv; 203e10542c447abf7c840931ff12f7d0dee976ca2eaMike McCormack if ((sta->ht_cap.ht_supported) && 204c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li !(skb->protocol == cpu_to_be16(ETH_P_PAE))) { 205c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (ieee80211_is_data_qos(fc)) { 206c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li u8 tid = rtl_get_tid(skb); 207c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li if (_rtl_tx_aggr_check(rtlpriv, sta_entry, 208c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li tid)) { 209c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li sta_entry->tids[tid].agg.agg_state = 210c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li RTL_AGG_PROGRESS; 211c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li ieee80211_start_tx_ba_session(sta, 212c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li tid, 5000); 213c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 214c6a9de0823e6f1335c93594f7b904f345860dafcChaoming_Li } 2150c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 2160c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 2170c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2180c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2190c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_rate_init(void *ppriv, 2200c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_supported_band *sband, 2210c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_sta *sta, void *priv_sta) 2220c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2230c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2240c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2250c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_rate_update(void *ppriv, 2260c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_supported_band *sband, 2270c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_sta *sta, void *priv_sta, 2280c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger u32 changed, 2290c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger enum nl80211_channel_type oper_chan_type) 2300c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2310c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2320c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2330c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void *rtl_rate_alloc(struct ieee80211_hw *hw, 2340c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct dentry *debugfsdir) 2350c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2360c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_priv *rtlpriv = rtl_priv(hw); 2370c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return rtlpriv; 2380c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2390c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2400c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_rate_free(void *rtlpriv) 2410c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2420c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return; 2430c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2440c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2450c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void *rtl_rate_alloc_sta(void *ppriv, 2460c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_sta *sta, gfp_t gfp) 2470c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2480c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_priv *rtlpriv = ppriv; 2490c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_rate_priv *rate_priv; 2500c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2510c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rate_priv = kzalloc(sizeof(struct rtl_rate_priv), gfp); 2520c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger if (!rate_priv) { 2530c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 254f30d7507a8116e2099a9135c873411db8c0a3dc6Joe Perches "Unable to allocate private rc structure\n"); 2550c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return NULL; 2560c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger } 2570c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2580c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger rtlpriv->rate_priv = rate_priv; 2590c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2600c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return rate_priv; 2610c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2620c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2630c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic void rtl_rate_free_sta(void *rtlpriv, 2640c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct ieee80211_sta *sta, void *priv_sta) 2650c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2660c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger struct rtl_rate_priv *rate_priv = priv_sta; 2670c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger kfree(rate_priv); 2680c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2690c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2700c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerstatic struct rate_control_ops rtl_rate_ops = { 2710c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .module = NULL, 2720c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .name = "rtl_rc", 2730c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .alloc = rtl_rate_alloc, 2740c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .free = rtl_rate_free, 2750c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .alloc_sta = rtl_rate_alloc_sta, 2760c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .free_sta = rtl_rate_free_sta, 2770c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .rate_init = rtl_rate_init, 2780c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .rate_update = rtl_rate_update, 2790c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .tx_status = rtl_tx_status, 2800c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger .get_rate = rtl_get_rate, 2810c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger}; 2820c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2830c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingerint rtl_rate_control_register(void) 2840c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2850c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger return ieee80211_rate_control_register(&rtl_rate_ops); 2860c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 2870c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger 2880c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Fingervoid rtl_rate_control_unregister(void) 2890c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger{ 2900c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger ieee80211_rate_control_unregister(&rtl_rate_ops); 2910c8173385e549f95cd80c3fff5aab87b4f881d8dLarry Finger} 292