1dad0d04fSFariya Fatima /** 2dad0d04fSFariya Fatima * Copyright (c) 2014 Redpine Signals Inc. 3dad0d04fSFariya Fatima * 4dad0d04fSFariya Fatima * Permission to use, copy, modify, and/or distribute this software for any 5dad0d04fSFariya Fatima * purpose with or without fee is hereby granted, provided that the above 6dad0d04fSFariya Fatima * copyright notice and this permission notice appear in all copies. 7dad0d04fSFariya Fatima * 8dad0d04fSFariya Fatima * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9dad0d04fSFariya Fatima * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10dad0d04fSFariya Fatima * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11dad0d04fSFariya Fatima * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12dad0d04fSFariya Fatima * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13dad0d04fSFariya Fatima * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14dad0d04fSFariya Fatima * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15dad0d04fSFariya Fatima */ 16dad0d04fSFariya Fatima 17dad0d04fSFariya Fatima #include <linux/etherdevice.h> 18dad0d04fSFariya Fatima #include "rsi_debugfs.h" 19dad0d04fSFariya Fatima #include "rsi_mgmt.h" 20b6c8d06cSKarun Eagalapati #include "rsi_sdio.h" 21dad0d04fSFariya Fatima #include "rsi_common.h" 22ce86893fSKarun Eagalapati #include "rsi_ps.h" 23dad0d04fSFariya Fatima 24dad0d04fSFariya Fatima static const struct ieee80211_channel rsi_2ghz_channels[] = { 2557fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2412, 26dad0d04fSFariya Fatima .hw_value = 1 }, /* Channel 1 */ 2757fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2417, 28dad0d04fSFariya Fatima .hw_value = 2 }, /* Channel 2 */ 2957fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2422, 30dad0d04fSFariya Fatima .hw_value = 3 }, /* Channel 3 */ 3157fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2427, 32dad0d04fSFariya Fatima .hw_value = 4 }, /* Channel 4 */ 3357fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2432, 34dad0d04fSFariya Fatima .hw_value = 5 }, /* Channel 5 */ 3557fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2437, 36dad0d04fSFariya Fatima .hw_value = 6 }, /* Channel 6 */ 3757fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2442, 38dad0d04fSFariya Fatima .hw_value = 7 }, /* Channel 7 */ 3957fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2447, 40dad0d04fSFariya Fatima .hw_value = 8 }, /* Channel 8 */ 4157fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2452, 42dad0d04fSFariya Fatima .hw_value = 9 }, /* Channel 9 */ 4357fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2457, 44dad0d04fSFariya Fatima .hw_value = 10 }, /* Channel 10 */ 4557fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2462, 46dad0d04fSFariya Fatima .hw_value = 11 }, /* Channel 11 */ 4757fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2467, 48dad0d04fSFariya Fatima .hw_value = 12 }, /* Channel 12 */ 4957fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2472, 50dad0d04fSFariya Fatima .hw_value = 13 }, /* Channel 13 */ 5157fbcce3SJohannes Berg { .band = NL80211_BAND_2GHZ, .center_freq = 2484, 52dad0d04fSFariya Fatima .hw_value = 14 }, /* Channel 14 */ 53dad0d04fSFariya Fatima }; 54dad0d04fSFariya Fatima 55dad0d04fSFariya Fatima static const struct ieee80211_channel rsi_5ghz_channels[] = { 5657fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5180, 57dad0d04fSFariya Fatima .hw_value = 36, }, /* Channel 36 */ 5857fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5200, 59dad0d04fSFariya Fatima .hw_value = 40, }, /* Channel 40 */ 6057fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5220, 61dad0d04fSFariya Fatima .hw_value = 44, }, /* Channel 44 */ 6257fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5240, 63dad0d04fSFariya Fatima .hw_value = 48, }, /* Channel 48 */ 6457fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5260, 65dad0d04fSFariya Fatima .hw_value = 52, }, /* Channel 52 */ 6657fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5280, 67dad0d04fSFariya Fatima .hw_value = 56, }, /* Channel 56 */ 6857fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5300, 69dad0d04fSFariya Fatima .hw_value = 60, }, /* Channel 60 */ 7057fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5320, 71dad0d04fSFariya Fatima .hw_value = 64, }, /* Channel 64 */ 7257fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5500, 73dad0d04fSFariya Fatima .hw_value = 100, }, /* Channel 100 */ 7457fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5520, 75dad0d04fSFariya Fatima .hw_value = 104, }, /* Channel 104 */ 7657fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5540, 77dad0d04fSFariya Fatima .hw_value = 108, }, /* Channel 108 */ 7857fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5560, 79dad0d04fSFariya Fatima .hw_value = 112, }, /* Channel 112 */ 8057fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5580, 81dad0d04fSFariya Fatima .hw_value = 116, }, /* Channel 116 */ 8257fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5600, 83dad0d04fSFariya Fatima .hw_value = 120, }, /* Channel 120 */ 8457fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5620, 85dad0d04fSFariya Fatima .hw_value = 124, }, /* Channel 124 */ 8657fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5640, 87dad0d04fSFariya Fatima .hw_value = 128, }, /* Channel 128 */ 8857fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5660, 89dad0d04fSFariya Fatima .hw_value = 132, }, /* Channel 132 */ 9057fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5680, 91dad0d04fSFariya Fatima .hw_value = 136, }, /* Channel 136 */ 9257fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5700, 93dad0d04fSFariya Fatima .hw_value = 140, }, /* Channel 140 */ 9457fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5745, 95dad0d04fSFariya Fatima .hw_value = 149, }, /* Channel 149 */ 9657fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5765, 97dad0d04fSFariya Fatima .hw_value = 153, }, /* Channel 153 */ 9857fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5785, 99dad0d04fSFariya Fatima .hw_value = 157, }, /* Channel 157 */ 10057fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5805, 101dad0d04fSFariya Fatima .hw_value = 161, }, /* Channel 161 */ 10257fbcce3SJohannes Berg { .band = NL80211_BAND_5GHZ, .center_freq = 5825, 103dad0d04fSFariya Fatima .hw_value = 165, }, /* Channel 165 */ 104dad0d04fSFariya Fatima }; 105dad0d04fSFariya Fatima 106dad0d04fSFariya Fatima struct ieee80211_rate rsi_rates[12] = { 107dad0d04fSFariya Fatima { .bitrate = STD_RATE_01 * 5, .hw_value = RSI_RATE_1 }, 108dad0d04fSFariya Fatima { .bitrate = STD_RATE_02 * 5, .hw_value = RSI_RATE_2 }, 109dad0d04fSFariya Fatima { .bitrate = STD_RATE_5_5 * 5, .hw_value = RSI_RATE_5_5 }, 110dad0d04fSFariya Fatima { .bitrate = STD_RATE_11 * 5, .hw_value = RSI_RATE_11 }, 111dad0d04fSFariya Fatima { .bitrate = STD_RATE_06 * 5, .hw_value = RSI_RATE_6 }, 112dad0d04fSFariya Fatima { .bitrate = STD_RATE_09 * 5, .hw_value = RSI_RATE_9 }, 113dad0d04fSFariya Fatima { .bitrate = STD_RATE_12 * 5, .hw_value = RSI_RATE_12 }, 114dad0d04fSFariya Fatima { .bitrate = STD_RATE_18 * 5, .hw_value = RSI_RATE_18 }, 115dad0d04fSFariya Fatima { .bitrate = STD_RATE_24 * 5, .hw_value = RSI_RATE_24 }, 116dad0d04fSFariya Fatima { .bitrate = STD_RATE_36 * 5, .hw_value = RSI_RATE_36 }, 117dad0d04fSFariya Fatima { .bitrate = STD_RATE_48 * 5, .hw_value = RSI_RATE_48 }, 118dad0d04fSFariya Fatima { .bitrate = STD_RATE_54 * 5, .hw_value = RSI_RATE_54 }, 119dad0d04fSFariya Fatima }; 120dad0d04fSFariya Fatima 121dad0d04fSFariya Fatima const u16 rsi_mcsrates[8] = { 122dad0d04fSFariya Fatima RSI_RATE_MCS0, RSI_RATE_MCS1, RSI_RATE_MCS2, RSI_RATE_MCS3, 123dad0d04fSFariya Fatima RSI_RATE_MCS4, RSI_RATE_MCS5, RSI_RATE_MCS6, RSI_RATE_MCS7 124dad0d04fSFariya Fatima }; 125dad0d04fSFariya Fatima 1266da1e00aSPrameela Rani Garnepudi static const u32 rsi_max_ap_stas[16] = { 1276da1e00aSPrameela Rani Garnepudi 32, /* 1 - Wi-Fi alone */ 1286da1e00aSPrameela Rani Garnepudi 0, /* 2 */ 1296da1e00aSPrameela Rani Garnepudi 0, /* 3 */ 1306da1e00aSPrameela Rani Garnepudi 0, /* 4 - BT EDR alone */ 1316da1e00aSPrameela Rani Garnepudi 4, /* 5 - STA + BT EDR */ 1326da1e00aSPrameela Rani Garnepudi 32, /* 6 - AP + BT EDR */ 1336da1e00aSPrameela Rani Garnepudi 0, /* 7 */ 1346da1e00aSPrameela Rani Garnepudi 0, /* 8 - BT LE alone */ 1356da1e00aSPrameela Rani Garnepudi 4, /* 9 - STA + BE LE */ 1366da1e00aSPrameela Rani Garnepudi 0, /* 10 */ 1376da1e00aSPrameela Rani Garnepudi 0, /* 11 */ 1386da1e00aSPrameela Rani Garnepudi 0, /* 12 */ 1396da1e00aSPrameela Rani Garnepudi 1, /* 13 - STA + BT Dual */ 1406da1e00aSPrameela Rani Garnepudi 4, /* 14 - AP + BT Dual */ 1416da1e00aSPrameela Rani Garnepudi }; 1426da1e00aSPrameela Rani Garnepudi 143421eedffSPrameela Rani Garnepudi static const struct ieee80211_iface_limit rsi_iface_limits[] = { 144421eedffSPrameela Rani Garnepudi { 145421eedffSPrameela Rani Garnepudi .max = 1, 146421eedffSPrameela Rani Garnepudi .types = BIT(NL80211_IFTYPE_STATION), 147421eedffSPrameela Rani Garnepudi }, 148421eedffSPrameela Rani Garnepudi { 149421eedffSPrameela Rani Garnepudi .max = 1, 150421eedffSPrameela Rani Garnepudi .types = BIT(NL80211_IFTYPE_AP) | 151421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_P2P_CLIENT) | 152421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_P2P_GO), 153421eedffSPrameela Rani Garnepudi }, 154421eedffSPrameela Rani Garnepudi { 155421eedffSPrameela Rani Garnepudi .max = 1, 156421eedffSPrameela Rani Garnepudi .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 157421eedffSPrameela Rani Garnepudi }, 158421eedffSPrameela Rani Garnepudi }; 159421eedffSPrameela Rani Garnepudi 160421eedffSPrameela Rani Garnepudi static const struct ieee80211_iface_combination rsi_iface_combinations[] = { 161421eedffSPrameela Rani Garnepudi { 162421eedffSPrameela Rani Garnepudi .num_different_channels = 1, 163421eedffSPrameela Rani Garnepudi .max_interfaces = 3, 164421eedffSPrameela Rani Garnepudi .limits = rsi_iface_limits, 165421eedffSPrameela Rani Garnepudi .n_limits = ARRAY_SIZE(rsi_iface_limits), 166421eedffSPrameela Rani Garnepudi }, 167421eedffSPrameela Rani Garnepudi }; 168421eedffSPrameela Rani Garnepudi 169dad0d04fSFariya Fatima /** 170dad0d04fSFariya Fatima * rsi_is_cipher_wep() - This function determines if the cipher is WEP or not. 171dad0d04fSFariya Fatima * @common: Pointer to the driver private structure. 172dad0d04fSFariya Fatima * 173dad0d04fSFariya Fatima * Return: If cipher type is WEP, a value of 1 is returned, else 0. 174dad0d04fSFariya Fatima */ 175dad0d04fSFariya Fatima 176dad0d04fSFariya Fatima bool rsi_is_cipher_wep(struct rsi_common *common) 177dad0d04fSFariya Fatima { 178dad0d04fSFariya Fatima if (((common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP104) || 179dad0d04fSFariya Fatima (common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP40)) && 180dad0d04fSFariya Fatima (!common->secinfo.ptk_cipher)) 181dad0d04fSFariya Fatima return true; 182dad0d04fSFariya Fatima else 183dad0d04fSFariya Fatima return false; 184dad0d04fSFariya Fatima } 185dad0d04fSFariya Fatima 186dad0d04fSFariya Fatima /** 187dad0d04fSFariya Fatima * rsi_register_rates_channels() - This function registers channels and rates. 188dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 189dad0d04fSFariya Fatima * @band: Operating band to be set. 190dad0d04fSFariya Fatima * 191dad0d04fSFariya Fatima * Return: None. 192dad0d04fSFariya Fatima */ 193dad0d04fSFariya Fatima static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) 194dad0d04fSFariya Fatima { 195dad0d04fSFariya Fatima struct ieee80211_supported_band *sbands = &adapter->sbands[band]; 196dad0d04fSFariya Fatima void *channels = NULL; 197dad0d04fSFariya Fatima 19857fbcce3SJohannes Berg if (band == NL80211_BAND_2GHZ) { 199dad0d04fSFariya Fatima channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL); 200dad0d04fSFariya Fatima memcpy(channels, 201dad0d04fSFariya Fatima rsi_2ghz_channels, 202dad0d04fSFariya Fatima sizeof(rsi_2ghz_channels)); 20357fbcce3SJohannes Berg sbands->band = NL80211_BAND_2GHZ; 204dad0d04fSFariya Fatima sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels); 205dad0d04fSFariya Fatima sbands->bitrates = rsi_rates; 206dad0d04fSFariya Fatima sbands->n_bitrates = ARRAY_SIZE(rsi_rates); 207dad0d04fSFariya Fatima } else { 208dad0d04fSFariya Fatima channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL); 209dad0d04fSFariya Fatima memcpy(channels, 210dad0d04fSFariya Fatima rsi_5ghz_channels, 211dad0d04fSFariya Fatima sizeof(rsi_5ghz_channels)); 21257fbcce3SJohannes Berg sbands->band = NL80211_BAND_5GHZ; 213dad0d04fSFariya Fatima sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels); 214dad0d04fSFariya Fatima sbands->bitrates = &rsi_rates[4]; 215dad0d04fSFariya Fatima sbands->n_bitrates = ARRAY_SIZE(rsi_rates) - 4; 216dad0d04fSFariya Fatima } 217dad0d04fSFariya Fatima 218dad0d04fSFariya Fatima sbands->channels = channels; 219dad0d04fSFariya Fatima 220dad0d04fSFariya Fatima memset(&sbands->ht_cap, 0, sizeof(struct ieee80211_sta_ht_cap)); 221dad0d04fSFariya Fatima sbands->ht_cap.ht_supported = true; 222dad0d04fSFariya Fatima sbands->ht_cap.cap = (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 223dad0d04fSFariya Fatima IEEE80211_HT_CAP_SGI_20 | 224dad0d04fSFariya Fatima IEEE80211_HT_CAP_SGI_40); 225e8c58e7aSJahnavi Meher sbands->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 226dad0d04fSFariya Fatima sbands->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 227dad0d04fSFariya Fatima sbands->ht_cap.mcs.rx_mask[0] = 0xff; 228dad0d04fSFariya Fatima sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 229dad0d04fSFariya Fatima /* sbands->ht_cap.mcs.rx_highest = 0x82; */ 230dad0d04fSFariya Fatima } 231dad0d04fSFariya Fatima 232dad0d04fSFariya Fatima /** 23319d2e619SJahnavi Meher * rsi_mac80211_detach() - This function is used to de-initialize the 234dad0d04fSFariya Fatima * Mac80211 stack. 235dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 236dad0d04fSFariya Fatima * 237dad0d04fSFariya Fatima * Return: None. 238dad0d04fSFariya Fatima */ 239dad0d04fSFariya Fatima void rsi_mac80211_detach(struct rsi_hw *adapter) 240dad0d04fSFariya Fatima { 241dad0d04fSFariya Fatima struct ieee80211_hw *hw = adapter->hw; 242b022539dSPrameela Rani Garnepudi enum nl80211_band band; 243dad0d04fSFariya Fatima 244dad0d04fSFariya Fatima if (hw) { 245dad0d04fSFariya Fatima ieee80211_stop_queues(hw); 246dad0d04fSFariya Fatima ieee80211_unregister_hw(hw); 247dad0d04fSFariya Fatima ieee80211_free_hw(hw); 248dad0d04fSFariya Fatima } 249dad0d04fSFariya Fatima 250b022539dSPrameela Rani Garnepudi for (band = 0; band < NUM_NL80211_BANDS; band++) { 251b022539dSPrameela Rani Garnepudi struct ieee80211_supported_band *sband = 252b022539dSPrameela Rani Garnepudi &adapter->sbands[band]; 253b022539dSPrameela Rani Garnepudi 254b022539dSPrameela Rani Garnepudi kfree(sband->channels); 255b022539dSPrameela Rani Garnepudi } 256b022539dSPrameela Rani Garnepudi 257b022539dSPrameela Rani Garnepudi #ifdef CONFIG_RSI_DEBUGFS 258dad0d04fSFariya Fatima rsi_remove_dbgfs(adapter); 259b022539dSPrameela Rani Garnepudi kfree(adapter->dfsentry); 260b022539dSPrameela Rani Garnepudi #endif 261dad0d04fSFariya Fatima } 262dad0d04fSFariya Fatima EXPORT_SYMBOL_GPL(rsi_mac80211_detach); 263dad0d04fSFariya Fatima 264dad0d04fSFariya Fatima /** 265dad0d04fSFariya Fatima * rsi_indicate_tx_status() - This function indicates the transmit status. 266dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 267dad0d04fSFariya Fatima * @skb: Pointer to the socket buffer structure. 268dad0d04fSFariya Fatima * @status: Status 269dad0d04fSFariya Fatima * 270dad0d04fSFariya Fatima * Return: None. 271dad0d04fSFariya Fatima */ 272dad0d04fSFariya Fatima void rsi_indicate_tx_status(struct rsi_hw *adapter, 273dad0d04fSFariya Fatima struct sk_buff *skb, 274dad0d04fSFariya Fatima int status) 275dad0d04fSFariya Fatima { 276dad0d04fSFariya Fatima struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2775059afacSPrameela Rani Garnepudi struct skb_info *tx_params; 278dad0d04fSFariya Fatima 2795059afacSPrameela Rani Garnepudi if (!adapter->hw) { 2805059afacSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "##### No MAC #####\n"); 2815059afacSPrameela Rani Garnepudi return; 2825059afacSPrameela Rani Garnepudi } 283dad0d04fSFariya Fatima 284dad0d04fSFariya Fatima if (!status) 285dad0d04fSFariya Fatima info->flags |= IEEE80211_TX_STAT_ACK; 286dad0d04fSFariya Fatima 2875059afacSPrameela Rani Garnepudi tx_params = (struct skb_info *)info->driver_data; 2885059afacSPrameela Rani Garnepudi skb_pull(skb, tx_params->internal_hdr_size); 2895059afacSPrameela Rani Garnepudi memset(info->driver_data, 0, IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 2905059afacSPrameela Rani Garnepudi 291dad0d04fSFariya Fatima ieee80211_tx_status_irqsafe(adapter->hw, skb); 292dad0d04fSFariya Fatima } 293dad0d04fSFariya Fatima 294dad0d04fSFariya Fatima /** 295dad0d04fSFariya Fatima * rsi_mac80211_tx() - This is the handler that 802.11 module calls for each 296dad0d04fSFariya Fatima * transmitted frame.SKB contains the buffer starting 297dad0d04fSFariya Fatima * from the IEEE 802.11 header. 298dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 299dad0d04fSFariya Fatima * @control: Pointer to the ieee80211_tx_control structure 300dad0d04fSFariya Fatima * @skb: Pointer to the socket buffer structure. 301dad0d04fSFariya Fatima * 302dad0d04fSFariya Fatima * Return: None 303dad0d04fSFariya Fatima */ 304dad0d04fSFariya Fatima static void rsi_mac80211_tx(struct ieee80211_hw *hw, 305dad0d04fSFariya Fatima struct ieee80211_tx_control *control, 306dad0d04fSFariya Fatima struct sk_buff *skb) 307dad0d04fSFariya Fatima { 308dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 309dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 310dad0d04fSFariya Fatima 311dad0d04fSFariya Fatima rsi_core_xmit(common, skb); 312dad0d04fSFariya Fatima } 313dad0d04fSFariya Fatima 314dad0d04fSFariya Fatima /** 315dad0d04fSFariya Fatima * rsi_mac80211_start() - This is first handler that 802.11 module calls, since 316dad0d04fSFariya Fatima * the driver init is complete by then, just 317dad0d04fSFariya Fatima * returns success. 318dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 319dad0d04fSFariya Fatima * 320dad0d04fSFariya Fatima * Return: 0 as success. 321dad0d04fSFariya Fatima */ 322dad0d04fSFariya Fatima static int rsi_mac80211_start(struct ieee80211_hw *hw) 323dad0d04fSFariya Fatima { 324dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 325dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 326dad0d04fSFariya Fatima 327edba3532SPavani Muthyala rsi_dbg(ERR_ZONE, "===> Interface UP <===\n"); 328dad0d04fSFariya Fatima mutex_lock(&common->mutex); 329b6c8d06cSKarun Eagalapati if (common->hibernate_resume) { 330b6c8d06cSKarun Eagalapati common->reinit_hw = true; 331b6c8d06cSKarun Eagalapati adapter->host_intf_ops->reinit_device(adapter); 332b6c8d06cSKarun Eagalapati wait_for_completion(&adapter->priv->wlan_init_completion); 333b6c8d06cSKarun Eagalapati } 334dad0d04fSFariya Fatima common->iface_down = false; 335edba3532SPavani Muthyala wiphy_rfkill_start_polling(hw->wiphy); 336e6d64284SPrameela Rani Garnepudi rsi_send_rx_filter_frame(common, 0); 337edba3532SPavani Muthyala mutex_unlock(&common->mutex); 338e6d64284SPrameela Rani Garnepudi 339dad0d04fSFariya Fatima return 0; 340dad0d04fSFariya Fatima } 341dad0d04fSFariya Fatima 342dad0d04fSFariya Fatima /** 343dad0d04fSFariya Fatima * rsi_mac80211_stop() - This is the last handler that 802.11 module calls. 344dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 345dad0d04fSFariya Fatima * 346dad0d04fSFariya Fatima * Return: None. 347dad0d04fSFariya Fatima */ 348dad0d04fSFariya Fatima static void rsi_mac80211_stop(struct ieee80211_hw *hw) 349dad0d04fSFariya Fatima { 350dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 351dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 352dad0d04fSFariya Fatima 353edba3532SPavani Muthyala rsi_dbg(ERR_ZONE, "===> Interface DOWN <===\n"); 354dad0d04fSFariya Fatima mutex_lock(&common->mutex); 355dad0d04fSFariya Fatima common->iface_down = true; 356edba3532SPavani Muthyala wiphy_rfkill_stop_polling(hw->wiphy); 35786583258SPrameela Rani Garnepudi 35886583258SPrameela Rani Garnepudi /* Block all rx frames */ 35986583258SPrameela Rani Garnepudi rsi_send_rx_filter_frame(common, 0xffff); 36086583258SPrameela Rani Garnepudi 361dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 362dad0d04fSFariya Fatima } 363dad0d04fSFariya Fatima 364b8bd3a43SPrameela Rani Garnepudi static int rsi_map_intf_mode(enum nl80211_iftype vif_type) 365b8bd3a43SPrameela Rani Garnepudi { 366b8bd3a43SPrameela Rani Garnepudi switch (vif_type) { 367b8bd3a43SPrameela Rani Garnepudi case NL80211_IFTYPE_STATION: 368b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_STA; 369b8bd3a43SPrameela Rani Garnepudi case NL80211_IFTYPE_AP: 370b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_AP; 371b8bd3a43SPrameela Rani Garnepudi case NL80211_IFTYPE_P2P_DEVICE: 372b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_P2P_CLIENT; 373b8bd3a43SPrameela Rani Garnepudi case NL80211_IFTYPE_P2P_CLIENT: 374b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_P2P_CLIENT; 375b8bd3a43SPrameela Rani Garnepudi case NL80211_IFTYPE_P2P_GO: 376b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_P2P_GO; 377b8bd3a43SPrameela Rani Garnepudi default: 378b8bd3a43SPrameela Rani Garnepudi return RSI_OPMODE_UNSUPPORTED; 379b8bd3a43SPrameela Rani Garnepudi } 380b8bd3a43SPrameela Rani Garnepudi } 381b8bd3a43SPrameela Rani Garnepudi 382dad0d04fSFariya Fatima /** 383dad0d04fSFariya Fatima * rsi_mac80211_add_interface() - This function is called when a netdevice 384dad0d04fSFariya Fatima * attached to the hardware is enabled. 385dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 386dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 387dad0d04fSFariya Fatima * 388dad0d04fSFariya Fatima * Return: ret: 0 on success, negative error code on failure. 389dad0d04fSFariya Fatima */ 390dad0d04fSFariya Fatima static int rsi_mac80211_add_interface(struct ieee80211_hw *hw, 391dad0d04fSFariya Fatima struct ieee80211_vif *vif) 392dad0d04fSFariya Fatima { 393dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 394dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 395b8bd3a43SPrameela Rani Garnepudi struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv; 39603c34c0dSPrameela Rani Garnepudi enum opmode intf_mode; 397b8bd3a43SPrameela Rani Garnepudi enum vap_status vap_status; 398b8bd3a43SPrameela Rani Garnepudi int vap_idx = -1, i; 399dad0d04fSFariya Fatima 400db07971dSKarun Eagalapati vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 401dad0d04fSFariya Fatima mutex_lock(&common->mutex); 40203c34c0dSPrameela Rani Garnepudi 403b8bd3a43SPrameela Rani Garnepudi intf_mode = rsi_map_intf_mode(vif->type); 404b8bd3a43SPrameela Rani Garnepudi if (intf_mode == RSI_OPMODE_UNSUPPORTED) { 405dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, 406dad0d04fSFariya Fatima "%s: Interface type %d not supported\n", __func__, 407dad0d04fSFariya Fatima vif->type); 408b8bd3a43SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 409b8bd3a43SPrameela Rani Garnepudi return -EOPNOTSUPP; 410dad0d04fSFariya Fatima } 411b8bd3a43SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_P2P_DEVICE) || 412b8bd3a43SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT) || 413b8bd3a43SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) 414b8bd3a43SPrameela Rani Garnepudi common->p2p_enabled = true; 41503c34c0dSPrameela Rani Garnepudi 416b8bd3a43SPrameela Rani Garnepudi /* Get free vap index */ 417b8bd3a43SPrameela Rani Garnepudi for (i = 0; i < RSI_MAX_VIFS; i++) { 418b8bd3a43SPrameela Rani Garnepudi if (!adapter->vifs[i]) { 419b8bd3a43SPrameela Rani Garnepudi vap_idx = i; 420b8bd3a43SPrameela Rani Garnepudi break; 421b8bd3a43SPrameela Rani Garnepudi } 422b8bd3a43SPrameela Rani Garnepudi } 423b8bd3a43SPrameela Rani Garnepudi if (vap_idx < 0) { 424b8bd3a43SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Reject: Max VAPs reached\n"); 425b8bd3a43SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 426b8bd3a43SPrameela Rani Garnepudi return -EOPNOTSUPP; 427b8bd3a43SPrameela Rani Garnepudi } 428b8bd3a43SPrameela Rani Garnepudi vif_info->vap_id = vap_idx; 429b8bd3a43SPrameela Rani Garnepudi adapter->vifs[vap_idx] = vif; 430b8bd3a43SPrameela Rani Garnepudi adapter->sc_nvifs++; 431b8bd3a43SPrameela Rani Garnepudi vap_status = VAP_ADD; 432b8bd3a43SPrameela Rani Garnepudi 433b8bd3a43SPrameela Rani Garnepudi if (rsi_set_vap_capabilities(common, intf_mode, vif->addr, 434b8bd3a43SPrameela Rani Garnepudi vif_info->vap_id, vap_status)) { 43503c34c0dSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Failed to set VAP capabilities\n"); 436b8bd3a43SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 437b8bd3a43SPrameela Rani Garnepudi return -EINVAL; 43803c34c0dSPrameela Rani Garnepudi } 43903c34c0dSPrameela Rani Garnepudi 440b8bd3a43SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 441b8bd3a43SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 44203c34c0dSPrameela Rani Garnepudi rsi_send_rx_filter_frame(common, DISALLOW_BEACONS); 44303c34c0dSPrameela Rani Garnepudi common->min_rate = RSI_RATE_AUTO; 44403c34c0dSPrameela Rani Garnepudi for (i = 0; i < common->max_stations; i++) 44503c34c0dSPrameela Rani Garnepudi common->stations[i].sta = NULL; 44603c34c0dSPrameela Rani Garnepudi } 44703c34c0dSPrameela Rani Garnepudi 448dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 449dad0d04fSFariya Fatima 450b8bd3a43SPrameela Rani Garnepudi return 0; 451dad0d04fSFariya Fatima } 452dad0d04fSFariya Fatima 453dad0d04fSFariya Fatima /** 454dad0d04fSFariya Fatima * rsi_mac80211_remove_interface() - This function notifies driver that an 455dad0d04fSFariya Fatima * interface is going down. 456dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 457dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 458dad0d04fSFariya Fatima * 459dad0d04fSFariya Fatima * Return: None. 460dad0d04fSFariya Fatima */ 461dad0d04fSFariya Fatima static void rsi_mac80211_remove_interface(struct ieee80211_hw *hw, 462dad0d04fSFariya Fatima struct ieee80211_vif *vif) 463dad0d04fSFariya Fatima { 464dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 465dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 46675ca0049SPrameela Rani Garnepudi enum opmode opmode; 467b8bd3a43SPrameela Rani Garnepudi int i; 46875ca0049SPrameela Rani Garnepudi 46975ca0049SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Remove Interface Called\n"); 470dad0d04fSFariya Fatima 471dad0d04fSFariya Fatima mutex_lock(&common->mutex); 47275ca0049SPrameela Rani Garnepudi 47375ca0049SPrameela Rani Garnepudi if (adapter->sc_nvifs <= 0) { 47475ca0049SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 47575ca0049SPrameela Rani Garnepudi return; 47677364aaeSPrameela Rani Garnepudi } 477dad0d04fSFariya Fatima 478b8bd3a43SPrameela Rani Garnepudi opmode = rsi_map_intf_mode(vif->type); 479b8bd3a43SPrameela Rani Garnepudi if (opmode == RSI_OPMODE_UNSUPPORTED) { 480b8bd3a43SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Opmode error : %d\n", opmode); 48175ca0049SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 48275ca0049SPrameela Rani Garnepudi return; 48375ca0049SPrameela Rani Garnepudi } 484b8bd3a43SPrameela Rani Garnepudi for (i = 0; i < RSI_MAX_VIFS; i++) { 485b8bd3a43SPrameela Rani Garnepudi if (!adapter->vifs[i]) 486b8bd3a43SPrameela Rani Garnepudi continue; 487b8bd3a43SPrameela Rani Garnepudi if (vif == adapter->vifs[i]) { 48875ca0049SPrameela Rani Garnepudi rsi_set_vap_capabilities(common, opmode, vif->addr, 489b8bd3a43SPrameela Rani Garnepudi i, VAP_DELETE); 49075ca0049SPrameela Rani Garnepudi adapter->sc_nvifs--; 491b8bd3a43SPrameela Rani Garnepudi adapter->vifs[i] = NULL; 492b8bd3a43SPrameela Rani Garnepudi } 493b8bd3a43SPrameela Rani Garnepudi } 494dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 495dad0d04fSFariya Fatima } 496dad0d04fSFariya Fatima 497dad0d04fSFariya Fatima /** 498686a2541SJahnavi Meher * rsi_channel_change() - This function is a performs the checks 499686a2541SJahnavi Meher * required for changing a channel and sets 500686a2541SJahnavi Meher * the channel accordingly. 501686a2541SJahnavi Meher * @hw: Pointer to the ieee80211_hw structure. 502686a2541SJahnavi Meher * 503686a2541SJahnavi Meher * Return: 0 on success, negative error code on failure. 504686a2541SJahnavi Meher */ 505686a2541SJahnavi Meher static int rsi_channel_change(struct ieee80211_hw *hw) 506686a2541SJahnavi Meher { 507686a2541SJahnavi Meher struct rsi_hw *adapter = hw->priv; 508686a2541SJahnavi Meher struct rsi_common *common = adapter->priv; 509686a2541SJahnavi Meher int status = -EOPNOTSUPP; 510686a2541SJahnavi Meher struct ieee80211_channel *curchan = hw->conf.chandef.chan; 511686a2541SJahnavi Meher u16 channel = curchan->hw_value; 512df771911SPrameela Rani Garnepudi struct ieee80211_vif *vif; 513df771911SPrameela Rani Garnepudi struct ieee80211_bss_conf *bss; 514df771911SPrameela Rani Garnepudi bool assoc = false; 515df771911SPrameela Rani Garnepudi int i; 516686a2541SJahnavi Meher 517686a2541SJahnavi Meher rsi_dbg(INFO_ZONE, 518686a2541SJahnavi Meher "%s: Set channel: %d MHz type: %d channel_no %d\n", 519686a2541SJahnavi Meher __func__, curchan->center_freq, 520686a2541SJahnavi Meher curchan->flags, channel); 521686a2541SJahnavi Meher 522df771911SPrameela Rani Garnepudi for (i = 0; i < RSI_MAX_VIFS; i++) { 523df771911SPrameela Rani Garnepudi vif = adapter->vifs[i]; 524df771911SPrameela Rani Garnepudi if (!vif) 525df771911SPrameela Rani Garnepudi continue; 526df771911SPrameela Rani Garnepudi if (vif->type == NL80211_IFTYPE_STATION) { 527df771911SPrameela Rani Garnepudi bss = &vif->bss_conf; 528686a2541SJahnavi Meher if (bss->assoc) { 529df771911SPrameela Rani Garnepudi assoc = true; 530df771911SPrameela Rani Garnepudi break; 531df771911SPrameela Rani Garnepudi } 532df771911SPrameela Rani Garnepudi } 533df771911SPrameela Rani Garnepudi } 534df771911SPrameela Rani Garnepudi if (assoc) { 535686a2541SJahnavi Meher if (!common->hw_data_qs_blocked && 536df771911SPrameela Rani Garnepudi (rsi_get_connected_channel(vif) != channel)) { 537686a2541SJahnavi Meher rsi_dbg(INFO_ZONE, "blk data q %d\n", channel); 538686a2541SJahnavi Meher if (!rsi_send_block_unblock_frame(common, true)) 539686a2541SJahnavi Meher common->hw_data_qs_blocked = true; 540686a2541SJahnavi Meher } 541686a2541SJahnavi Meher } 542686a2541SJahnavi Meher 543df771911SPrameela Rani Garnepudi status = rsi_band_check(common, curchan); 544686a2541SJahnavi Meher if (!status) 54561d10842SPrameela Rani Garnepudi status = rsi_set_channel(adapter->priv, curchan); 546686a2541SJahnavi Meher 547df771911SPrameela Rani Garnepudi if (assoc) { 548686a2541SJahnavi Meher if (common->hw_data_qs_blocked && 549df771911SPrameela Rani Garnepudi (rsi_get_connected_channel(vif) == channel)) { 550686a2541SJahnavi Meher rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel); 551686a2541SJahnavi Meher if (!rsi_send_block_unblock_frame(common, false)) 552686a2541SJahnavi Meher common->hw_data_qs_blocked = false; 553686a2541SJahnavi Meher } 554686a2541SJahnavi Meher } 555686a2541SJahnavi Meher 556686a2541SJahnavi Meher return status; 557686a2541SJahnavi Meher } 558686a2541SJahnavi Meher 559686a2541SJahnavi Meher /** 5608b36de8cSPrameela Rani Garnepudi * rsi_config_power() - This function configures tx power to device 5618b36de8cSPrameela Rani Garnepudi * @hw: Pointer to the ieee80211_hw structure. 5628b36de8cSPrameela Rani Garnepudi * 5638b36de8cSPrameela Rani Garnepudi * Return: 0 on success, negative error code on failure. 5648b36de8cSPrameela Rani Garnepudi */ 5658b36de8cSPrameela Rani Garnepudi static int rsi_config_power(struct ieee80211_hw *hw) 5668b36de8cSPrameela Rani Garnepudi { 5678b36de8cSPrameela Rani Garnepudi struct rsi_hw *adapter = hw->priv; 5688b36de8cSPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 5698b36de8cSPrameela Rani Garnepudi struct ieee80211_conf *conf = &hw->conf; 5708b36de8cSPrameela Rani Garnepudi 5718b36de8cSPrameela Rani Garnepudi if (adapter->sc_nvifs <= 0) { 5728b36de8cSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "%s: No virtual interface found\n", __func__); 5738b36de8cSPrameela Rani Garnepudi return -EINVAL; 5748b36de8cSPrameela Rani Garnepudi } 5758b36de8cSPrameela Rani Garnepudi 5768b36de8cSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, 5778b36de8cSPrameela Rani Garnepudi "%s: Set tx power: %d dBM\n", __func__, conf->power_level); 5788b36de8cSPrameela Rani Garnepudi 5798b36de8cSPrameela Rani Garnepudi if (conf->power_level == common->tx_power) 5808b36de8cSPrameela Rani Garnepudi return 0; 5818b36de8cSPrameela Rani Garnepudi 5828b36de8cSPrameela Rani Garnepudi common->tx_power = conf->power_level; 5838b36de8cSPrameela Rani Garnepudi 5848b36de8cSPrameela Rani Garnepudi return rsi_send_radio_params_update(common); 5858b36de8cSPrameela Rani Garnepudi } 5868b36de8cSPrameela Rani Garnepudi 5878b36de8cSPrameela Rani Garnepudi /** 588dad0d04fSFariya Fatima * rsi_mac80211_config() - This function is a handler for configuration 589dad0d04fSFariya Fatima * requests. The stack calls this function to 590dad0d04fSFariya Fatima * change hardware configuration, e.g., channel. 591dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 592dad0d04fSFariya Fatima * @changed: Changed flags set. 593dad0d04fSFariya Fatima * 594dad0d04fSFariya Fatima * Return: 0 on success, negative error code on failure. 595dad0d04fSFariya Fatima */ 596dad0d04fSFariya Fatima static int rsi_mac80211_config(struct ieee80211_hw *hw, 597dad0d04fSFariya Fatima u32 changed) 598dad0d04fSFariya Fatima { 599dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 600dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 601ce86893fSKarun Eagalapati struct ieee80211_conf *conf = &hw->conf; 602dad0d04fSFariya Fatima int status = -EOPNOTSUPP; 603dad0d04fSFariya Fatima 604dad0d04fSFariya Fatima mutex_lock(&common->mutex); 605dad0d04fSFariya Fatima 606686a2541SJahnavi Meher if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 607686a2541SJahnavi Meher status = rsi_channel_change(hw); 608686a2541SJahnavi Meher 6098b36de8cSPrameela Rani Garnepudi /* tx power */ 6108b36de8cSPrameela Rani Garnepudi if (changed & IEEE80211_CONF_CHANGE_POWER) { 6118b36de8cSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "%s: Configuring Power\n", __func__); 6128b36de8cSPrameela Rani Garnepudi status = rsi_config_power(hw); 6138b36de8cSPrameela Rani Garnepudi } 6148b36de8cSPrameela Rani Garnepudi 615ce86893fSKarun Eagalapati /* Power save parameters */ 616efe877aaSPrameela Rani Garnepudi if (changed & IEEE80211_CONF_CHANGE_PS) { 617cbbfdd6cSAmitkumar Karwar struct ieee80211_vif *vif, *sta_vif = NULL; 618ce86893fSKarun Eagalapati unsigned long flags; 619efe877aaSPrameela Rani Garnepudi int i, set_ps = 1; 620ce86893fSKarun Eagalapati 621efe877aaSPrameela Rani Garnepudi for (i = 0; i < RSI_MAX_VIFS; i++) { 622efe877aaSPrameela Rani Garnepudi vif = adapter->vifs[i]; 623efe877aaSPrameela Rani Garnepudi if (!vif) 624efe877aaSPrameela Rani Garnepudi continue; 625efe877aaSPrameela Rani Garnepudi /* Don't go to power save if AP vap exists */ 626efe877aaSPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 627efe877aaSPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 628efe877aaSPrameela Rani Garnepudi set_ps = 0; 629efe877aaSPrameela Rani Garnepudi break; 630efe877aaSPrameela Rani Garnepudi } 631cbbfdd6cSAmitkumar Karwar if ((vif->type == NL80211_IFTYPE_STATION || 632cbbfdd6cSAmitkumar Karwar vif->type == NL80211_IFTYPE_P2P_CLIENT) && 633cbbfdd6cSAmitkumar Karwar (!sta_vif || vif->bss_conf.assoc)) 634cbbfdd6cSAmitkumar Karwar sta_vif = vif; 635efe877aaSPrameela Rani Garnepudi } 636cbbfdd6cSAmitkumar Karwar if (set_ps && sta_vif) { 637ce86893fSKarun Eagalapati spin_lock_irqsave(&adapter->ps_lock, flags); 638ce86893fSKarun Eagalapati if (conf->flags & IEEE80211_CONF_PS) 639cbbfdd6cSAmitkumar Karwar rsi_enable_ps(adapter, sta_vif); 640ce86893fSKarun Eagalapati else 641cbbfdd6cSAmitkumar Karwar rsi_disable_ps(adapter, sta_vif); 642ce86893fSKarun Eagalapati spin_unlock_irqrestore(&adapter->ps_lock, flags); 643ce86893fSKarun Eagalapati } 644efe877aaSPrameela Rani Garnepudi } 645ce86893fSKarun Eagalapati 64680a88ecfSKarun Eagalapati /* RTS threshold */ 64780a88ecfSKarun Eagalapati if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 64880a88ecfSKarun Eagalapati rsi_dbg(INFO_ZONE, "RTS threshold\n"); 64980a88ecfSKarun Eagalapati if ((common->rts_threshold) <= IEEE80211_MAX_RTS_THRESHOLD) { 65080a88ecfSKarun Eagalapati rsi_dbg(INFO_ZONE, 65180a88ecfSKarun Eagalapati "%s: Sending vap updates....\n", __func__); 65280a88ecfSKarun Eagalapati status = rsi_send_vap_dynamic_update(common); 65380a88ecfSKarun Eagalapati } 65480a88ecfSKarun Eagalapati } 655dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 656dad0d04fSFariya Fatima 657dad0d04fSFariya Fatima return status; 658dad0d04fSFariya Fatima } 659dad0d04fSFariya Fatima 660dad0d04fSFariya Fatima /** 661dad0d04fSFariya Fatima * rsi_get_connected_channel() - This function is used to get the current 662dad0d04fSFariya Fatima * connected channel number. 663dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 664dad0d04fSFariya Fatima * 665dad0d04fSFariya Fatima * Return: Current connected AP's channel number is returned. 666dad0d04fSFariya Fatima */ 667df771911SPrameela Rani Garnepudi u16 rsi_get_connected_channel(struct ieee80211_vif *vif) 668dad0d04fSFariya Fatima { 669df771911SPrameela Rani Garnepudi struct ieee80211_bss_conf *bss; 670df771911SPrameela Rani Garnepudi struct ieee80211_channel *channel; 671df771911SPrameela Rani Garnepudi 672df771911SPrameela Rani Garnepudi if (!vif) 673df771911SPrameela Rani Garnepudi return 0; 674df771911SPrameela Rani Garnepudi 675df771911SPrameela Rani Garnepudi bss = &vif->bss_conf; 676df771911SPrameela Rani Garnepudi channel = bss->chandef.chan; 677df771911SPrameela Rani Garnepudi 678df771911SPrameela Rani Garnepudi if (!channel) 679df771911SPrameela Rani Garnepudi return 0; 680df771911SPrameela Rani Garnepudi 681dad0d04fSFariya Fatima return channel->hw_value; 682dad0d04fSFariya Fatima } 683dad0d04fSFariya Fatima 684df771911SPrameela Rani Garnepudi static void rsi_switch_channel(struct rsi_hw *adapter, 685df771911SPrameela Rani Garnepudi struct ieee80211_vif *vif) 686df771911SPrameela Rani Garnepudi { 687df771911SPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 688df771911SPrameela Rani Garnepudi struct ieee80211_channel *channel; 689df771911SPrameela Rani Garnepudi 690df771911SPrameela Rani Garnepudi if (common->iface_down) 691df771911SPrameela Rani Garnepudi return; 692df771911SPrameela Rani Garnepudi if (!vif) 693df771911SPrameela Rani Garnepudi return; 694df771911SPrameela Rani Garnepudi 695df771911SPrameela Rani Garnepudi channel = vif->bss_conf.chandef.chan; 696df771911SPrameela Rani Garnepudi 697df771911SPrameela Rani Garnepudi if (!channel) 698df771911SPrameela Rani Garnepudi return; 699df771911SPrameela Rani Garnepudi 700df771911SPrameela Rani Garnepudi rsi_band_check(common, channel); 701df771911SPrameela Rani Garnepudi rsi_set_channel(common, channel); 702df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Switched to channel - %d\n", channel->hw_value); 703dad0d04fSFariya Fatima } 704dad0d04fSFariya Fatima 705dad0d04fSFariya Fatima /** 706dad0d04fSFariya Fatima * rsi_mac80211_bss_info_changed() - This function is a handler for config 707dad0d04fSFariya Fatima * requests related to BSS parameters that 708dad0d04fSFariya Fatima * may vary during BSS's lifespan. 709dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 710dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 711dad0d04fSFariya Fatima * @bss_conf: Pointer to the ieee80211_bss_conf structure. 712dad0d04fSFariya Fatima * @changed: Changed flags set. 713dad0d04fSFariya Fatima * 714dad0d04fSFariya Fatima * Return: None. 715dad0d04fSFariya Fatima */ 716dad0d04fSFariya Fatima static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw, 717dad0d04fSFariya Fatima struct ieee80211_vif *vif, 718dad0d04fSFariya Fatima struct ieee80211_bss_conf *bss_conf, 719dad0d04fSFariya Fatima u32 changed) 720dad0d04fSFariya Fatima { 721dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 722dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 723ce86893fSKarun Eagalapati struct ieee80211_bss_conf *bss = &vif->bss_conf; 724ce86893fSKarun Eagalapati struct ieee80211_conf *conf = &hw->conf; 725e6d64284SPrameela Rani Garnepudi u16 rx_filter_word = 0; 726dad0d04fSFariya Fatima 727dad0d04fSFariya Fatima mutex_lock(&common->mutex); 728dad0d04fSFariya Fatima if (changed & BSS_CHANGED_ASSOC) { 729dad0d04fSFariya Fatima rsi_dbg(INFO_ZONE, "%s: Changed Association status: %d\n", 730dad0d04fSFariya Fatima __func__, bss_conf->assoc); 731e6d64284SPrameela Rani Garnepudi if (bss_conf->assoc) { 732e6d64284SPrameela Rani Garnepudi /* Send the RX filter frame */ 733e6d64284SPrameela Rani Garnepudi rx_filter_word = (ALLOW_DATA_ASSOC_PEER | 734e6d64284SPrameela Rani Garnepudi ALLOW_CTRL_ASSOC_PEER | 735e6d64284SPrameela Rani Garnepudi ALLOW_MGMT_ASSOC_PEER); 736e6d64284SPrameela Rani Garnepudi rsi_send_rx_filter_frame(common, rx_filter_word); 737e6d64284SPrameela Rani Garnepudi } 738dad0d04fSFariya Fatima rsi_inform_bss_status(common, 739b8bd3a43SPrameela Rani Garnepudi RSI_OPMODE_STA, 740dad0d04fSFariya Fatima bss_conf->assoc, 741dad0d04fSFariya Fatima bss_conf->bssid, 742dad0d04fSFariya Fatima bss_conf->qos, 7433528608fSPrameela Rani Garnepudi bss_conf->aid, 7444fd6c476SPrameela Rani Garnepudi NULL, 0, 7454fd6c476SPrameela Rani Garnepudi bss_conf->assoc_capability, vif); 746ce86893fSKarun Eagalapati adapter->ps_info.dtim_interval_duration = bss->dtim_period; 747ce86893fSKarun Eagalapati adapter->ps_info.listen_interval = conf->listen_interval; 748db07971dSKarun Eagalapati 749db07971dSKarun Eagalapati /* If U-APSD is updated, send ps parameters to firmware */ 750db07971dSKarun Eagalapati if (bss->assoc) { 751db07971dSKarun Eagalapati if (common->uapsd_bitmap) { 752db07971dSKarun Eagalapati rsi_dbg(INFO_ZONE, "Configuring UAPSD\n"); 753efe877aaSPrameela Rani Garnepudi rsi_conf_uapsd(adapter, vif); 754db07971dSKarun Eagalapati } 755db07971dSKarun Eagalapati } else { 756db07971dSKarun Eagalapati common->uapsd_bitmap = 0; 757db07971dSKarun Eagalapati } 758dad0d04fSFariya Fatima } 759686a2541SJahnavi Meher 760686a2541SJahnavi Meher if (changed & BSS_CHANGED_CQM) { 761686a2541SJahnavi Meher common->cqm_info.last_cqm_event_rssi = 0; 762686a2541SJahnavi Meher common->cqm_info.rssi_thold = bss_conf->cqm_rssi_thold; 763686a2541SJahnavi Meher common->cqm_info.rssi_hyst = bss_conf->cqm_rssi_hyst; 764686a2541SJahnavi Meher rsi_dbg(INFO_ZONE, "RSSI throld & hysteresis are: %d %d\n", 765686a2541SJahnavi Meher common->cqm_info.rssi_thold, 766686a2541SJahnavi Meher common->cqm_info.rssi_hyst); 767686a2541SJahnavi Meher } 768d26a9559SPrameela Rani Garnepudi 769d26a9559SPrameela Rani Garnepudi if ((changed & BSS_CHANGED_BEACON_ENABLED) && 770af756872SPrameela Rani Garnepudi ((vif->type == NL80211_IFTYPE_AP) || 771af756872SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO))) { 772d26a9559SPrameela Rani Garnepudi if (bss->enable_beacon) { 773d26a9559SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "===> BEACON ENABLED <===\n"); 774d26a9559SPrameela Rani Garnepudi common->beacon_enabled = 1; 775d26a9559SPrameela Rani Garnepudi } else { 776d26a9559SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "===> BEACON DISABLED <===\n"); 777d26a9559SPrameela Rani Garnepudi common->beacon_enabled = 0; 778d26a9559SPrameela Rani Garnepudi } 779d26a9559SPrameela Rani Garnepudi } 780d26a9559SPrameela Rani Garnepudi 781dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 782dad0d04fSFariya Fatima } 783dad0d04fSFariya Fatima 784dad0d04fSFariya Fatima /** 785dad0d04fSFariya Fatima * rsi_mac80211_conf_filter() - This function configure the device's RX filter. 786dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 787dad0d04fSFariya Fatima * @changed: Changed flags set. 788dad0d04fSFariya Fatima * @total_flags: Total initial flags set. 789dad0d04fSFariya Fatima * @multicast: Multicast. 790dad0d04fSFariya Fatima * 791dad0d04fSFariya Fatima * Return: None. 792dad0d04fSFariya Fatima */ 793dad0d04fSFariya Fatima static void rsi_mac80211_conf_filter(struct ieee80211_hw *hw, 794dad0d04fSFariya Fatima u32 changed_flags, 795dad0d04fSFariya Fatima u32 *total_flags, 796dad0d04fSFariya Fatima u64 multicast) 797dad0d04fSFariya Fatima { 798dad0d04fSFariya Fatima /* Not doing much here as of now */ 799dad0d04fSFariya Fatima *total_flags &= RSI_SUPP_FILTERS; 800dad0d04fSFariya Fatima } 801dad0d04fSFariya Fatima 802dad0d04fSFariya Fatima /** 803dad0d04fSFariya Fatima * rsi_mac80211_conf_tx() - This function configures TX queue parameters 804dad0d04fSFariya Fatima * (EDCF (aifs, cw_min, cw_max), bursting) 805dad0d04fSFariya Fatima * for a hardware TX queue. 806dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure 807dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 808dad0d04fSFariya Fatima * @queue: Queue number. 809dad0d04fSFariya Fatima * @params: Pointer to ieee80211_tx_queue_params structure. 810dad0d04fSFariya Fatima * 811dad0d04fSFariya Fatima * Return: 0 on success, negative error code on failure. 812dad0d04fSFariya Fatima */ 813dad0d04fSFariya Fatima static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw, 814dad0d04fSFariya Fatima struct ieee80211_vif *vif, u16 queue, 815dad0d04fSFariya Fatima const struct ieee80211_tx_queue_params *params) 816dad0d04fSFariya Fatima { 817dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 818dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 819dad0d04fSFariya Fatima u8 idx = 0; 820dad0d04fSFariya Fatima 821dad0d04fSFariya Fatima if (queue >= IEEE80211_NUM_ACS) 822dad0d04fSFariya Fatima return 0; 823dad0d04fSFariya Fatima 824dad0d04fSFariya Fatima rsi_dbg(INFO_ZONE, 825dad0d04fSFariya Fatima "%s: Conf queue %d, aifs: %d, cwmin: %d cwmax: %d, txop: %d\n", 826dad0d04fSFariya Fatima __func__, queue, params->aifs, 827dad0d04fSFariya Fatima params->cw_min, params->cw_max, params->txop); 828dad0d04fSFariya Fatima 829dad0d04fSFariya Fatima mutex_lock(&common->mutex); 830dad0d04fSFariya Fatima /* Map into the way the f/w expects */ 831dad0d04fSFariya Fatima switch (queue) { 832dad0d04fSFariya Fatima case IEEE80211_AC_VO: 833dad0d04fSFariya Fatima idx = VO_Q; 834dad0d04fSFariya Fatima break; 835dad0d04fSFariya Fatima case IEEE80211_AC_VI: 836dad0d04fSFariya Fatima idx = VI_Q; 837dad0d04fSFariya Fatima break; 838dad0d04fSFariya Fatima case IEEE80211_AC_BE: 839dad0d04fSFariya Fatima idx = BE_Q; 840dad0d04fSFariya Fatima break; 841dad0d04fSFariya Fatima case IEEE80211_AC_BK: 842dad0d04fSFariya Fatima idx = BK_Q; 843dad0d04fSFariya Fatima break; 844dad0d04fSFariya Fatima default: 845dad0d04fSFariya Fatima idx = BE_Q; 846dad0d04fSFariya Fatima break; 847dad0d04fSFariya Fatima } 848dad0d04fSFariya Fatima 849dad0d04fSFariya Fatima memcpy(&common->edca_params[idx], 850dad0d04fSFariya Fatima params, 851dad0d04fSFariya Fatima sizeof(struct ieee80211_tx_queue_params)); 852db07971dSKarun Eagalapati 853db07971dSKarun Eagalapati if (params->uapsd) 854db07971dSKarun Eagalapati common->uapsd_bitmap |= idx; 855db07971dSKarun Eagalapati else 856db07971dSKarun Eagalapati common->uapsd_bitmap &= (~idx); 857db07971dSKarun Eagalapati 858dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 859dad0d04fSFariya Fatima 860dad0d04fSFariya Fatima return 0; 861dad0d04fSFariya Fatima } 862dad0d04fSFariya Fatima 863dad0d04fSFariya Fatima /** 864dad0d04fSFariya Fatima * rsi_hal_key_config() - This function loads the keys into the firmware. 865dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 866dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 867dad0d04fSFariya Fatima * @key: Pointer to the ieee80211_key_conf structure. 868dad0d04fSFariya Fatima * 869fc438672SDan Carpenter * Return: status: 0 on success, negative error codes on failure. 870dad0d04fSFariya Fatima */ 871dad0d04fSFariya Fatima static int rsi_hal_key_config(struct ieee80211_hw *hw, 872dad0d04fSFariya Fatima struct ieee80211_vif *vif, 87338ef6235SPrameela Rani Garnepudi struct ieee80211_key_conf *key, 87438ef6235SPrameela Rani Garnepudi struct ieee80211_sta *sta) 875dad0d04fSFariya Fatima { 876dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 87738ef6235SPrameela Rani Garnepudi struct rsi_sta *rsta = NULL; 878dad0d04fSFariya Fatima int status; 879dad0d04fSFariya Fatima u8 key_type; 88038ef6235SPrameela Rani Garnepudi s16 sta_id = 0; 881dad0d04fSFariya Fatima 882dad0d04fSFariya Fatima if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 883dad0d04fSFariya Fatima key_type = RSI_PAIRWISE_KEY; 884dad0d04fSFariya Fatima else 885dad0d04fSFariya Fatima key_type = RSI_GROUP_KEY; 886dad0d04fSFariya Fatima 887dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Cipher 0x%x key_type: %d key_len: %d\n", 888dad0d04fSFariya Fatima __func__, key->cipher, key_type, key->keylen); 889dad0d04fSFariya Fatima 8904671c209SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 8914671c209SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 89238ef6235SPrameela Rani Garnepudi if (sta) { 89338ef6235SPrameela Rani Garnepudi rsta = rsi_find_sta(adapter->priv, sta->addr); 89438ef6235SPrameela Rani Garnepudi if (rsta) 89538ef6235SPrameela Rani Garnepudi sta_id = rsta->sta_id; 89638ef6235SPrameela Rani Garnepudi } 89738ef6235SPrameela Rani Garnepudi adapter->priv->key = key; 89838ef6235SPrameela Rani Garnepudi } else { 899dad0d04fSFariya Fatima if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) || 900dad0d04fSFariya Fatima (key->cipher == WLAN_CIPHER_SUITE_WEP40)) { 901dad0d04fSFariya Fatima status = rsi_hal_load_key(adapter->priv, 902dad0d04fSFariya Fatima key->key, 903dad0d04fSFariya Fatima key->keylen, 904dad0d04fSFariya Fatima RSI_PAIRWISE_KEY, 905dad0d04fSFariya Fatima key->keyidx, 90638ef6235SPrameela Rani Garnepudi key->cipher, 907eac4eed3SPrameela Rani Garnepudi sta_id, 908eac4eed3SPrameela Rani Garnepudi vif); 909dad0d04fSFariya Fatima if (status) 910dad0d04fSFariya Fatima return status; 911dad0d04fSFariya Fatima } 91238ef6235SPrameela Rani Garnepudi } 91338ef6235SPrameela Rani Garnepudi 914e1fd7ceeSGustavo A. R. Silva status = rsi_hal_load_key(adapter->priv, 915dad0d04fSFariya Fatima key->key, 916dad0d04fSFariya Fatima key->keylen, 917dad0d04fSFariya Fatima key_type, 918dad0d04fSFariya Fatima key->keyidx, 91938ef6235SPrameela Rani Garnepudi key->cipher, 920eac4eed3SPrameela Rani Garnepudi sta_id, 921eac4eed3SPrameela Rani Garnepudi vif); 9224fd6c476SPrameela Rani Garnepudi if (status) 9234fd6c476SPrameela Rani Garnepudi return status; 9244fd6c476SPrameela Rani Garnepudi 9254fd6c476SPrameela Rani Garnepudi if (vif->type == NL80211_IFTYPE_STATION && key->key && 9264fd6c476SPrameela Rani Garnepudi (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 9274fd6c476SPrameela Rani Garnepudi key->cipher == WLAN_CIPHER_SUITE_WEP40)) { 9284fd6c476SPrameela Rani Garnepudi if (!rsi_send_block_unblock_frame(adapter->priv, false)) 9294fd6c476SPrameela Rani Garnepudi adapter->priv->hw_data_qs_blocked = false; 9304fd6c476SPrameela Rani Garnepudi } 9314fd6c476SPrameela Rani Garnepudi 9324fd6c476SPrameela Rani Garnepudi return 0; 933dad0d04fSFariya Fatima } 934dad0d04fSFariya Fatima 935dad0d04fSFariya Fatima /** 936dad0d04fSFariya Fatima * rsi_mac80211_set_key() - This function sets type of key to be loaded. 937dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 938dad0d04fSFariya Fatima * @cmd: enum set_key_cmd. 939dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 940dad0d04fSFariya Fatima * @sta: Pointer to the ieee80211_sta structure. 941dad0d04fSFariya Fatima * @key: Pointer to the ieee80211_key_conf structure. 942dad0d04fSFariya Fatima * 943dad0d04fSFariya Fatima * Return: status: 0 on success, negative error code on failure. 944dad0d04fSFariya Fatima */ 945dad0d04fSFariya Fatima static int rsi_mac80211_set_key(struct ieee80211_hw *hw, 946dad0d04fSFariya Fatima enum set_key_cmd cmd, 947dad0d04fSFariya Fatima struct ieee80211_vif *vif, 948dad0d04fSFariya Fatima struct ieee80211_sta *sta, 949dad0d04fSFariya Fatima struct ieee80211_key_conf *key) 950dad0d04fSFariya Fatima { 951dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 952dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 953dad0d04fSFariya Fatima struct security_info *secinfo = &common->secinfo; 954dad0d04fSFariya Fatima int status; 955dad0d04fSFariya Fatima 956dad0d04fSFariya Fatima mutex_lock(&common->mutex); 957dad0d04fSFariya Fatima switch (cmd) { 958dad0d04fSFariya Fatima case SET_KEY: 959dad0d04fSFariya Fatima secinfo->security_enable = true; 96038ef6235SPrameela Rani Garnepudi status = rsi_hal_key_config(hw, vif, key, sta); 961dad0d04fSFariya Fatima if (status) { 962dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 963dad0d04fSFariya Fatima return status; 964dad0d04fSFariya Fatima } 965dad0d04fSFariya Fatima 966dad0d04fSFariya Fatima if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 967dad0d04fSFariya Fatima secinfo->ptk_cipher = key->cipher; 968dad0d04fSFariya Fatima else 969dad0d04fSFariya Fatima secinfo->gtk_cipher = key->cipher; 970dad0d04fSFariya Fatima 971dad0d04fSFariya Fatima key->hw_key_idx = key->keyidx; 972dad0d04fSFariya Fatima key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 973dad0d04fSFariya Fatima 974dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: RSI set_key\n", __func__); 975dad0d04fSFariya Fatima break; 976dad0d04fSFariya Fatima 977dad0d04fSFariya Fatima case DISABLE_KEY: 97838ef6235SPrameela Rani Garnepudi if (vif->type == NL80211_IFTYPE_STATION) 979dad0d04fSFariya Fatima secinfo->security_enable = false; 980dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: RSI del key\n", __func__); 981dad0d04fSFariya Fatima memset(key, 0, sizeof(struct ieee80211_key_conf)); 98238ef6235SPrameela Rani Garnepudi status = rsi_hal_key_config(hw, vif, key, sta); 983dad0d04fSFariya Fatima break; 984dad0d04fSFariya Fatima 985dad0d04fSFariya Fatima default: 986dad0d04fSFariya Fatima status = -EOPNOTSUPP; 987dad0d04fSFariya Fatima break; 988dad0d04fSFariya Fatima } 989dad0d04fSFariya Fatima 990dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 991dad0d04fSFariya Fatima return status; 992dad0d04fSFariya Fatima } 993dad0d04fSFariya Fatima 994dad0d04fSFariya Fatima /** 995dad0d04fSFariya Fatima * rsi_mac80211_ampdu_action() - This function selects the AMPDU action for 996dad0d04fSFariya Fatima * the corresponding mlme_action flag and 997dad0d04fSFariya Fatima * informs the f/w regarding this. 998dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 999dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 100050ea05efSSara Sharon * @params: Pointer to A-MPDU action parameters 1001dad0d04fSFariya Fatima * 1002dad0d04fSFariya Fatima * Return: status: 0 on success, negative error code on failure. 1003dad0d04fSFariya Fatima */ 1004dad0d04fSFariya Fatima static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, 1005dad0d04fSFariya Fatima struct ieee80211_vif *vif, 100650ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1007dad0d04fSFariya Fatima { 1008dad0d04fSFariya Fatima int status = -EOPNOTSUPP; 1009dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 1010dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 101132be57a6SPrameela Rani Garnepudi struct rsi_sta *rsta = NULL; 101232be57a6SPrameela Rani Garnepudi u16 seq_no = 0, seq_start = 0; 1013dad0d04fSFariya Fatima u8 ii = 0; 101450ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 101532be57a6SPrameela Rani Garnepudi u8 sta_id = 0; 101650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 101750ea05efSSara Sharon u16 tid = params->tid; 101850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 101950ea05efSSara Sharon u8 buf_size = params->buf_size; 1020dad0d04fSFariya Fatima 1021dad0d04fSFariya Fatima for (ii = 0; ii < RSI_MAX_VIFS; ii++) { 1022dad0d04fSFariya Fatima if (vif == adapter->vifs[ii]) 1023dad0d04fSFariya Fatima break; 1024dad0d04fSFariya Fatima } 1025dad0d04fSFariya Fatima 1026dad0d04fSFariya Fatima mutex_lock(&common->mutex); 102732be57a6SPrameela Rani Garnepudi 1028dad0d04fSFariya Fatima if (ssn != NULL) 1029dad0d04fSFariya Fatima seq_no = *ssn; 1030dad0d04fSFariya Fatima 1031c7245c09SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 1032c7245c09SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 103332be57a6SPrameela Rani Garnepudi rsta = rsi_find_sta(common, sta->addr); 103432be57a6SPrameela Rani Garnepudi if (!rsta) { 103532be57a6SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "No station mapped\n"); 10360270639eSDan Carpenter status = 0; 10370270639eSDan Carpenter goto unlock; 103832be57a6SPrameela Rani Garnepudi } 103932be57a6SPrameela Rani Garnepudi sta_id = rsta->sta_id; 104032be57a6SPrameela Rani Garnepudi } 104132be57a6SPrameela Rani Garnepudi 104232be57a6SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, 104332be57a6SPrameela Rani Garnepudi "%s: AMPDU action tid=%d ssn=0x%x, buf_size=%d sta_id=%d\n", 104432be57a6SPrameela Rani Garnepudi __func__, tid, seq_no, buf_size, sta_id); 104532be57a6SPrameela Rani Garnepudi 1046dad0d04fSFariya Fatima switch (action) { 1047dad0d04fSFariya Fatima case IEEE80211_AMPDU_RX_START: 1048dad0d04fSFariya Fatima status = rsi_send_aggregation_params_frame(common, 1049dad0d04fSFariya Fatima tid, 1050dad0d04fSFariya Fatima seq_no, 1051dad0d04fSFariya Fatima buf_size, 105232be57a6SPrameela Rani Garnepudi STA_RX_ADDBA_DONE, 105332be57a6SPrameela Rani Garnepudi sta_id); 1054dad0d04fSFariya Fatima break; 1055dad0d04fSFariya Fatima 1056dad0d04fSFariya Fatima case IEEE80211_AMPDU_RX_STOP: 1057dad0d04fSFariya Fatima status = rsi_send_aggregation_params_frame(common, 1058dad0d04fSFariya Fatima tid, 1059dad0d04fSFariya Fatima 0, 1060dad0d04fSFariya Fatima buf_size, 106132be57a6SPrameela Rani Garnepudi STA_RX_DELBA, 106232be57a6SPrameela Rani Garnepudi sta_id); 1063dad0d04fSFariya Fatima break; 1064dad0d04fSFariya Fatima 1065dad0d04fSFariya Fatima case IEEE80211_AMPDU_TX_START: 1066c7245c09SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_STATION) || 1067c7245c09SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT)) 1068dad0d04fSFariya Fatima common->vif_info[ii].seq_start = seq_no; 1069c7245c09SPrameela Rani Garnepudi else if ((vif->type == NL80211_IFTYPE_AP) || 1070c7245c09SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) 107132be57a6SPrameela Rani Garnepudi rsta->seq_start[tid] = seq_no; 1072dad0d04fSFariya Fatima ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 10735f407acbSJahnavi Meher status = 0; 1074dad0d04fSFariya Fatima break; 1075dad0d04fSFariya Fatima 1076dad0d04fSFariya Fatima case IEEE80211_AMPDU_TX_STOP_CONT: 1077dad0d04fSFariya Fatima case IEEE80211_AMPDU_TX_STOP_FLUSH: 1078dad0d04fSFariya Fatima case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1079dad0d04fSFariya Fatima status = rsi_send_aggregation_params_frame(common, 1080dad0d04fSFariya Fatima tid, 1081dad0d04fSFariya Fatima seq_no, 1082dad0d04fSFariya Fatima buf_size, 108332be57a6SPrameela Rani Garnepudi STA_TX_DELBA, 108432be57a6SPrameela Rani Garnepudi sta_id); 1085dad0d04fSFariya Fatima if (!status) 1086dad0d04fSFariya Fatima ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1087dad0d04fSFariya Fatima break; 1088dad0d04fSFariya Fatima 1089dad0d04fSFariya Fatima case IEEE80211_AMPDU_TX_OPERATIONAL: 1090c7245c09SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_STATION) || 1091c7245c09SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT)) 109232be57a6SPrameela Rani Garnepudi seq_start = common->vif_info[ii].seq_start; 1093c7245c09SPrameela Rani Garnepudi else if ((vif->type == NL80211_IFTYPE_AP) || 1094c7245c09SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) 109532be57a6SPrameela Rani Garnepudi seq_start = rsta->seq_start[tid]; 1096dad0d04fSFariya Fatima status = rsi_send_aggregation_params_frame(common, 1097dad0d04fSFariya Fatima tid, 109832be57a6SPrameela Rani Garnepudi seq_start, 1099dad0d04fSFariya Fatima buf_size, 110032be57a6SPrameela Rani Garnepudi STA_TX_ADDBA_DONE, 110132be57a6SPrameela Rani Garnepudi sta_id); 1102dad0d04fSFariya Fatima break; 1103dad0d04fSFariya Fatima 1104dad0d04fSFariya Fatima default: 1105dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Uknown AMPDU action\n", __func__); 1106dad0d04fSFariya Fatima break; 1107dad0d04fSFariya Fatima } 1108dad0d04fSFariya Fatima 11090270639eSDan Carpenter unlock: 1110dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 1111dad0d04fSFariya Fatima return status; 1112dad0d04fSFariya Fatima } 1113dad0d04fSFariya Fatima 1114dad0d04fSFariya Fatima /** 1115dad0d04fSFariya Fatima * rsi_mac80211_set_rts_threshold() - This function sets rts threshold value. 1116dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 1117dad0d04fSFariya Fatima * @value: Rts threshold value. 1118dad0d04fSFariya Fatima * 1119dad0d04fSFariya Fatima * Return: 0 on success. 1120dad0d04fSFariya Fatima */ 1121dad0d04fSFariya Fatima static int rsi_mac80211_set_rts_threshold(struct ieee80211_hw *hw, 1122dad0d04fSFariya Fatima u32 value) 1123dad0d04fSFariya Fatima { 1124dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 1125dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 1126dad0d04fSFariya Fatima 1127dad0d04fSFariya Fatima mutex_lock(&common->mutex); 1128dad0d04fSFariya Fatima common->rts_threshold = value; 1129dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 1130dad0d04fSFariya Fatima 1131dad0d04fSFariya Fatima return 0; 1132dad0d04fSFariya Fatima } 1133dad0d04fSFariya Fatima 1134dad0d04fSFariya Fatima /** 1135dad0d04fSFariya Fatima * rsi_mac80211_set_rate_mask() - This function sets bitrate_mask to be used. 1136dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure 1137dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 1138dad0d04fSFariya Fatima * @mask: Pointer to the cfg80211_bitrate_mask structure. 1139dad0d04fSFariya Fatima * 1140dad0d04fSFariya Fatima * Return: 0 on success. 1141dad0d04fSFariya Fatima */ 1142dad0d04fSFariya Fatima static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw, 1143dad0d04fSFariya Fatima struct ieee80211_vif *vif, 1144dad0d04fSFariya Fatima const struct cfg80211_bitrate_mask *mask) 1145dad0d04fSFariya Fatima { 1146dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 1147dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 114857fbcce3SJohannes Berg enum nl80211_band band = hw->conf.chandef.chan->band; 1149dad0d04fSFariya Fatima 1150dad0d04fSFariya Fatima mutex_lock(&common->mutex); 115185af5bf8SJahnavi Meher common->fixedrate_mask[band] = 0; 1152dad0d04fSFariya Fatima 115385af5bf8SJahnavi Meher if (mask->control[band].legacy == 0xfff) { 115485af5bf8SJahnavi Meher common->fixedrate_mask[band] = 115585af5bf8SJahnavi Meher (mask->control[band].ht_mcs[0] << 12); 1156dad0d04fSFariya Fatima } else { 115785af5bf8SJahnavi Meher common->fixedrate_mask[band] = 115885af5bf8SJahnavi Meher mask->control[band].legacy; 1159dad0d04fSFariya Fatima } 1160dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 1161dad0d04fSFariya Fatima 1162dad0d04fSFariya Fatima return 0; 1163dad0d04fSFariya Fatima } 1164dad0d04fSFariya Fatima 1165dad0d04fSFariya Fatima /** 1166686a2541SJahnavi Meher * rsi_perform_cqm() - This function performs cqm. 1167686a2541SJahnavi Meher * @common: Pointer to the driver private structure. 1168686a2541SJahnavi Meher * @bssid: pointer to the bssid. 1169686a2541SJahnavi Meher * @rssi: RSSI value. 1170686a2541SJahnavi Meher */ 1171686a2541SJahnavi Meher static void rsi_perform_cqm(struct rsi_common *common, 1172686a2541SJahnavi Meher u8 *bssid, 1173af756872SPrameela Rani Garnepudi s8 rssi, 1174af756872SPrameela Rani Garnepudi struct ieee80211_vif *vif) 1175686a2541SJahnavi Meher { 1176686a2541SJahnavi Meher s8 last_event = common->cqm_info.last_cqm_event_rssi; 1177686a2541SJahnavi Meher int thold = common->cqm_info.rssi_thold; 1178686a2541SJahnavi Meher u32 hyst = common->cqm_info.rssi_hyst; 1179686a2541SJahnavi Meher enum nl80211_cqm_rssi_threshold_event event; 1180686a2541SJahnavi Meher 1181686a2541SJahnavi Meher if (rssi < thold && (last_event == 0 || rssi < (last_event - hyst))) 1182686a2541SJahnavi Meher event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 1183686a2541SJahnavi Meher else if (rssi > thold && 1184686a2541SJahnavi Meher (last_event == 0 || rssi > (last_event + hyst))) 1185686a2541SJahnavi Meher event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; 1186686a2541SJahnavi Meher else 1187686a2541SJahnavi Meher return; 1188686a2541SJahnavi Meher 1189686a2541SJahnavi Meher common->cqm_info.last_cqm_event_rssi = rssi; 1190686a2541SJahnavi Meher rsi_dbg(INFO_ZONE, "CQM: Notifying event: %d\n", event); 1191af756872SPrameela Rani Garnepudi ieee80211_cqm_rssi_notify(vif, event, rssi, GFP_KERNEL); 1192686a2541SJahnavi Meher 1193686a2541SJahnavi Meher return; 1194686a2541SJahnavi Meher } 1195686a2541SJahnavi Meher 1196686a2541SJahnavi Meher /** 1197dad0d04fSFariya Fatima * rsi_fill_rx_status() - This function fills rx status in 1198dad0d04fSFariya Fatima * ieee80211_rx_status structure. 1199dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 1200dad0d04fSFariya Fatima * @skb: Pointer to the socket buffer structure. 1201dad0d04fSFariya Fatima * @common: Pointer to the driver private structure. 1202dad0d04fSFariya Fatima * @rxs: Pointer to the ieee80211_rx_status structure. 1203dad0d04fSFariya Fatima * 1204dad0d04fSFariya Fatima * Return: None. 1205dad0d04fSFariya Fatima */ 1206dad0d04fSFariya Fatima static void rsi_fill_rx_status(struct ieee80211_hw *hw, 1207dad0d04fSFariya Fatima struct sk_buff *skb, 1208dad0d04fSFariya Fatima struct rsi_common *common, 1209dad0d04fSFariya Fatima struct ieee80211_rx_status *rxs) 1210dad0d04fSFariya Fatima { 1211eac4eed3SPrameela Rani Garnepudi struct rsi_hw *adapter = common->priv; 1212eac4eed3SPrameela Rani Garnepudi struct ieee80211_vif *vif; 1213eac4eed3SPrameela Rani Garnepudi struct ieee80211_bss_conf *bss = NULL; 1214dad0d04fSFariya Fatima struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 1215dad0d04fSFariya Fatima struct skb_info *rx_params = (struct skb_info *)info->driver_data; 1216dad0d04fSFariya Fatima struct ieee80211_hdr *hdr; 1217dad0d04fSFariya Fatima char rssi = rx_params->rssi; 1218dad0d04fSFariya Fatima u8 hdrlen = 0; 1219dad0d04fSFariya Fatima u8 channel = rx_params->channel; 1220dad0d04fSFariya Fatima s32 freq; 1221eac4eed3SPrameela Rani Garnepudi int i; 1222dad0d04fSFariya Fatima 1223dad0d04fSFariya Fatima hdr = ((struct ieee80211_hdr *)(skb->data)); 1224dad0d04fSFariya Fatima hdrlen = ieee80211_hdrlen(hdr->frame_control); 1225dad0d04fSFariya Fatima 1226dad0d04fSFariya Fatima memset(info, 0, sizeof(struct ieee80211_tx_info)); 1227dad0d04fSFariya Fatima 1228dad0d04fSFariya Fatima rxs->signal = -(rssi); 1229dad0d04fSFariya Fatima 1230aabd3ad4SJahnavi Meher rxs->band = common->band; 1231dad0d04fSFariya Fatima 1232dad0d04fSFariya Fatima freq = ieee80211_channel_to_frequency(channel, rxs->band); 1233dad0d04fSFariya Fatima 1234dad0d04fSFariya Fatima if (freq) 1235dad0d04fSFariya Fatima rxs->freq = freq; 1236dad0d04fSFariya Fatima 1237dad0d04fSFariya Fatima if (ieee80211_has_protected(hdr->frame_control)) { 1238dad0d04fSFariya Fatima if (rsi_is_cipher_wep(common)) { 1239dad0d04fSFariya Fatima memmove(skb->data + 4, skb->data, hdrlen); 1240dad0d04fSFariya Fatima skb_pull(skb, 4); 1241dad0d04fSFariya Fatima } else { 1242dad0d04fSFariya Fatima memmove(skb->data + 8, skb->data, hdrlen); 1243dad0d04fSFariya Fatima skb_pull(skb, 8); 1244dad0d04fSFariya Fatima rxs->flag |= RX_FLAG_MMIC_STRIPPED; 1245dad0d04fSFariya Fatima } 1246dad0d04fSFariya Fatima rxs->flag |= RX_FLAG_DECRYPTED; 1247dad0d04fSFariya Fatima rxs->flag |= RX_FLAG_IV_STRIPPED; 1248dad0d04fSFariya Fatima } 1249686a2541SJahnavi Meher 1250eac4eed3SPrameela Rani Garnepudi for (i = 0; i < RSI_MAX_VIFS; i++) { 1251eac4eed3SPrameela Rani Garnepudi vif = adapter->vifs[i]; 1252eac4eed3SPrameela Rani Garnepudi if (!vif) 1253eac4eed3SPrameela Rani Garnepudi continue; 1254af756872SPrameela Rani Garnepudi if (vif->type == NL80211_IFTYPE_STATION) { 1255eac4eed3SPrameela Rani Garnepudi bss = &vif->bss_conf; 1256af756872SPrameela Rani Garnepudi break; 1257af756872SPrameela Rani Garnepudi } 1258eac4eed3SPrameela Rani Garnepudi } 1259eac4eed3SPrameela Rani Garnepudi if (!bss) 1260eac4eed3SPrameela Rani Garnepudi return; 1261686a2541SJahnavi Meher /* CQM only for connected AP beacons, the RSSI is a weighted avg */ 1262686a2541SJahnavi Meher if (bss->assoc && !(memcmp(bss->bssid, hdr->addr2, ETH_ALEN))) { 1263686a2541SJahnavi Meher if (ieee80211_is_beacon(hdr->frame_control)) 1264af756872SPrameela Rani Garnepudi rsi_perform_cqm(common, hdr->addr2, rxs->signal, vif); 1265686a2541SJahnavi Meher } 1266686a2541SJahnavi Meher 1267686a2541SJahnavi Meher return; 1268dad0d04fSFariya Fatima } 1269dad0d04fSFariya Fatima 1270dad0d04fSFariya Fatima /** 1271dad0d04fSFariya Fatima * rsi_indicate_pkt_to_os() - This function sends recieved packet to mac80211. 1272dad0d04fSFariya Fatima * @common: Pointer to the driver private structure. 1273dad0d04fSFariya Fatima * @skb: Pointer to the socket buffer structure. 1274dad0d04fSFariya Fatima * 1275dad0d04fSFariya Fatima * Return: None. 1276dad0d04fSFariya Fatima */ 1277dad0d04fSFariya Fatima void rsi_indicate_pkt_to_os(struct rsi_common *common, 1278dad0d04fSFariya Fatima struct sk_buff *skb) 1279dad0d04fSFariya Fatima { 1280dad0d04fSFariya Fatima struct rsi_hw *adapter = common->priv; 1281dad0d04fSFariya Fatima struct ieee80211_hw *hw = adapter->hw; 1282dad0d04fSFariya Fatima struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); 1283dad0d04fSFariya Fatima 1284dad0d04fSFariya Fatima if ((common->iface_down) || (!adapter->sc_nvifs)) { 1285dad0d04fSFariya Fatima dev_kfree_skb(skb); 1286dad0d04fSFariya Fatima return; 1287dad0d04fSFariya Fatima } 1288dad0d04fSFariya Fatima 1289dad0d04fSFariya Fatima /* filling in the ieee80211_rx_status flags */ 1290dad0d04fSFariya Fatima rsi_fill_rx_status(hw, skb, common, rx_status); 1291dad0d04fSFariya Fatima 1292dad0d04fSFariya Fatima ieee80211_rx_irqsafe(hw, skb); 1293dad0d04fSFariya Fatima } 1294dad0d04fSFariya Fatima 1295dad0d04fSFariya Fatima static void rsi_set_min_rate(struct ieee80211_hw *hw, 1296dad0d04fSFariya Fatima struct ieee80211_sta *sta, 1297dad0d04fSFariya Fatima struct rsi_common *common) 1298dad0d04fSFariya Fatima { 1299dad0d04fSFariya Fatima u8 band = hw->conf.chandef.chan->band; 1300dad0d04fSFariya Fatima u8 ii; 1301dad0d04fSFariya Fatima u32 rate_bitmap; 1302dad0d04fSFariya Fatima bool matched = false; 1303dad0d04fSFariya Fatima 1304dad0d04fSFariya Fatima common->bitrate_mask[band] = sta->supp_rates[band]; 1305dad0d04fSFariya Fatima 1306dad0d04fSFariya Fatima rate_bitmap = (common->fixedrate_mask[band] & sta->supp_rates[band]); 1307dad0d04fSFariya Fatima 1308dad0d04fSFariya Fatima if (rate_bitmap & 0xfff) { 1309dad0d04fSFariya Fatima /* Find out the min rate */ 1310dad0d04fSFariya Fatima for (ii = 0; ii < ARRAY_SIZE(rsi_rates); ii++) { 1311dad0d04fSFariya Fatima if (rate_bitmap & BIT(ii)) { 1312dad0d04fSFariya Fatima common->min_rate = rsi_rates[ii].hw_value; 1313dad0d04fSFariya Fatima matched = true; 1314dad0d04fSFariya Fatima break; 1315dad0d04fSFariya Fatima } 1316dad0d04fSFariya Fatima } 1317dad0d04fSFariya Fatima } 1318dad0d04fSFariya Fatima 1319dad0d04fSFariya Fatima common->vif_info[0].is_ht = sta->ht_cap.ht_supported; 1320dad0d04fSFariya Fatima 1321dad0d04fSFariya Fatima if ((common->vif_info[0].is_ht) && (rate_bitmap >> 12)) { 1322dad0d04fSFariya Fatima for (ii = 0; ii < ARRAY_SIZE(rsi_mcsrates); ii++) { 1323dad0d04fSFariya Fatima if ((rate_bitmap >> 12) & BIT(ii)) { 1324dad0d04fSFariya Fatima common->min_rate = rsi_mcsrates[ii]; 1325dad0d04fSFariya Fatima matched = true; 1326dad0d04fSFariya Fatima break; 1327dad0d04fSFariya Fatima } 1328dad0d04fSFariya Fatima } 1329dad0d04fSFariya Fatima } 1330dad0d04fSFariya Fatima 1331dad0d04fSFariya Fatima if (!matched) 1332dad0d04fSFariya Fatima common->min_rate = 0xffff; 1333dad0d04fSFariya Fatima } 1334dad0d04fSFariya Fatima 1335dad0d04fSFariya Fatima /** 1336dad0d04fSFariya Fatima * rsi_mac80211_sta_add() - This function notifies driver about a peer getting 1337dad0d04fSFariya Fatima * connected. 1338dad0d04fSFariya Fatima * @hw: pointer to the ieee80211_hw structure. 1339dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 1340dad0d04fSFariya Fatima * @sta: Pointer to the ieee80211_sta structure. 1341dad0d04fSFariya Fatima * 1342fc438672SDan Carpenter * Return: 0 on success, negative error codes on failure. 1343dad0d04fSFariya Fatima */ 1344dad0d04fSFariya Fatima static int rsi_mac80211_sta_add(struct ieee80211_hw *hw, 1345dad0d04fSFariya Fatima struct ieee80211_vif *vif, 1346dad0d04fSFariya Fatima struct ieee80211_sta *sta) 1347dad0d04fSFariya Fatima { 1348dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 1349dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 13503528608fSPrameela Rani Garnepudi bool sta_exist = false; 13513528608fSPrameela Rani Garnepudi struct rsi_sta *rsta; 13520270639eSDan Carpenter int status = 0; 13533528608fSPrameela Rani Garnepudi 13543528608fSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Station Add: %pM\n", sta->addr); 1355dad0d04fSFariya Fatima 1356dad0d04fSFariya Fatima mutex_lock(&common->mutex); 1357dad0d04fSFariya Fatima 13584671c209SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 13594671c209SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 13603528608fSPrameela Rani Garnepudi u8 cnt; 13613528608fSPrameela Rani Garnepudi int sta_idx = -1; 13623528608fSPrameela Rani Garnepudi int free_index = -1; 1363dad0d04fSFariya Fatima 13643528608fSPrameela Rani Garnepudi /* Check if max stations reached */ 13653528608fSPrameela Rani Garnepudi if (common->num_stations >= common->max_stations) { 13663528608fSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Reject: Max Stations exists\n"); 13670270639eSDan Carpenter status = -EOPNOTSUPP; 13680270639eSDan Carpenter goto unlock; 13693528608fSPrameela Rani Garnepudi } 13703528608fSPrameela Rani Garnepudi for (cnt = 0; cnt < common->max_stations; cnt++) { 13713528608fSPrameela Rani Garnepudi rsta = &common->stations[cnt]; 13723528608fSPrameela Rani Garnepudi 13733528608fSPrameela Rani Garnepudi if (!rsta->sta) { 13743528608fSPrameela Rani Garnepudi if (free_index < 0) 13753528608fSPrameela Rani Garnepudi free_index = cnt; 13763528608fSPrameela Rani Garnepudi continue; 13773528608fSPrameela Rani Garnepudi } 13783528608fSPrameela Rani Garnepudi if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) { 13793528608fSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Station exists\n"); 13803528608fSPrameela Rani Garnepudi sta_idx = cnt; 13813528608fSPrameela Rani Garnepudi sta_exist = true; 13823528608fSPrameela Rani Garnepudi break; 13833528608fSPrameela Rani Garnepudi } 13843528608fSPrameela Rani Garnepudi } 13853528608fSPrameela Rani Garnepudi if (!sta_exist) { 13863528608fSPrameela Rani Garnepudi if (free_index >= 0) 13873528608fSPrameela Rani Garnepudi sta_idx = free_index; 13883528608fSPrameela Rani Garnepudi } 13893528608fSPrameela Rani Garnepudi if (sta_idx < 0) { 13903528608fSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, 13913528608fSPrameela Rani Garnepudi "%s: Some problem reaching here...\n", 13923528608fSPrameela Rani Garnepudi __func__); 13930270639eSDan Carpenter status = -EINVAL; 13940270639eSDan Carpenter goto unlock; 13953528608fSPrameela Rani Garnepudi } 13963528608fSPrameela Rani Garnepudi rsta = &common->stations[sta_idx]; 13973528608fSPrameela Rani Garnepudi rsta->sta = sta; 13983528608fSPrameela Rani Garnepudi rsta->sta_id = sta_idx; 13993528608fSPrameela Rani Garnepudi for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) 14003528608fSPrameela Rani Garnepudi rsta->start_tx_aggr[cnt] = false; 14013528608fSPrameela Rani Garnepudi for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) 14023528608fSPrameela Rani Garnepudi rsta->seq_start[cnt] = 0; 14033528608fSPrameela Rani Garnepudi if (!sta_exist) { 14043528608fSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "New Station\n"); 14053528608fSPrameela Rani Garnepudi 14063528608fSPrameela Rani Garnepudi /* Send peer notify to device */ 14073528608fSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Indicate bss status to device\n"); 1408b8bd3a43SPrameela Rani Garnepudi rsi_inform_bss_status(common, RSI_OPMODE_AP, 1, 1409b8bd3a43SPrameela Rani Garnepudi sta->addr, sta->wme, sta->aid, 14104fd6c476SPrameela Rani Garnepudi sta, sta_idx, 0, vif); 14113528608fSPrameela Rani Garnepudi 141238ef6235SPrameela Rani Garnepudi if (common->key) { 141338ef6235SPrameela Rani Garnepudi struct ieee80211_key_conf *key = common->key; 141438ef6235SPrameela Rani Garnepudi 141538ef6235SPrameela Rani Garnepudi if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) || 141638ef6235SPrameela Rani Garnepudi (key->cipher == WLAN_CIPHER_SUITE_WEP40)) 141738ef6235SPrameela Rani Garnepudi rsi_hal_load_key(adapter->priv, 141838ef6235SPrameela Rani Garnepudi key->key, 141938ef6235SPrameela Rani Garnepudi key->keylen, 142038ef6235SPrameela Rani Garnepudi RSI_PAIRWISE_KEY, 142138ef6235SPrameela Rani Garnepudi key->keyidx, 142238ef6235SPrameela Rani Garnepudi key->cipher, 1423eac4eed3SPrameela Rani Garnepudi sta_idx, 1424eac4eed3SPrameela Rani Garnepudi vif); 142538ef6235SPrameela Rani Garnepudi } 142638ef6235SPrameela Rani Garnepudi 14273528608fSPrameela Rani Garnepudi common->num_stations++; 14283528608fSPrameela Rani Garnepudi } 1429dad0d04fSFariya Fatima } 1430dad0d04fSFariya Fatima 14314671c209SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_STATION) || 14324671c209SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT)) { 14333528608fSPrameela Rani Garnepudi rsi_set_min_rate(hw, sta, common); 14343528608fSPrameela Rani Garnepudi if (sta->ht_cap.ht_supported) { 14353528608fSPrameela Rani Garnepudi common->vif_info[0].is_ht = true; 14363528608fSPrameela Rani Garnepudi common->bitrate_mask[NL80211_BAND_2GHZ] = 14373528608fSPrameela Rani Garnepudi sta->supp_rates[NL80211_BAND_2GHZ]; 14383528608fSPrameela Rani Garnepudi if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) || 14393528608fSPrameela Rani Garnepudi (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) 14403528608fSPrameela Rani Garnepudi common->vif_info[0].sgi = true; 1441dad0d04fSFariya Fatima ieee80211_start_tx_ba_session(sta, 0, 0); 14423528608fSPrameela Rani Garnepudi } 14433528608fSPrameela Rani Garnepudi } 1444dad0d04fSFariya Fatima 14450270639eSDan Carpenter unlock: 1446dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 1447dad0d04fSFariya Fatima 14480270639eSDan Carpenter return status; 1449dad0d04fSFariya Fatima } 1450dad0d04fSFariya Fatima 1451dad0d04fSFariya Fatima /** 1452dad0d04fSFariya Fatima * rsi_mac80211_sta_remove() - This function notifies driver about a peer 1453dad0d04fSFariya Fatima * getting disconnected. 1454dad0d04fSFariya Fatima * @hw: Pointer to the ieee80211_hw structure. 1455dad0d04fSFariya Fatima * @vif: Pointer to the ieee80211_vif structure. 1456dad0d04fSFariya Fatima * @sta: Pointer to the ieee80211_sta structure. 1457dad0d04fSFariya Fatima * 1458fc438672SDan Carpenter * Return: 0 on success, negative error codes on failure. 1459dad0d04fSFariya Fatima */ 1460dad0d04fSFariya Fatima static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw, 1461dad0d04fSFariya Fatima struct ieee80211_vif *vif, 1462dad0d04fSFariya Fatima struct ieee80211_sta *sta) 1463dad0d04fSFariya Fatima { 1464dad0d04fSFariya Fatima struct rsi_hw *adapter = hw->priv; 1465dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 1466571b050bSPrameela Rani Garnepudi struct ieee80211_bss_conf *bss = &vif->bss_conf; 1467571b050bSPrameela Rani Garnepudi struct rsi_sta *rsta; 1468571b050bSPrameela Rani Garnepudi 1469571b050bSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Station Remove: %pM\n", sta->addr); 1470dad0d04fSFariya Fatima 1471dad0d04fSFariya Fatima mutex_lock(&common->mutex); 1472e6d64284SPrameela Rani Garnepudi 14734671c209SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 14744671c209SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 1475571b050bSPrameela Rani Garnepudi u8 sta_idx, cnt; 1476571b050bSPrameela Rani Garnepudi 1477571b050bSPrameela Rani Garnepudi /* Send peer notify to device */ 1478571b050bSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Indicate bss status to device\n"); 1479571b050bSPrameela Rani Garnepudi for (sta_idx = 0; sta_idx < common->max_stations; sta_idx++) { 1480571b050bSPrameela Rani Garnepudi rsta = &common->stations[sta_idx]; 1481571b050bSPrameela Rani Garnepudi 1482571b050bSPrameela Rani Garnepudi if (!rsta->sta) 1483571b050bSPrameela Rani Garnepudi continue; 1484571b050bSPrameela Rani Garnepudi if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) { 1485b8bd3a43SPrameela Rani Garnepudi rsi_inform_bss_status(common, RSI_OPMODE_AP, 0, 1486571b050bSPrameela Rani Garnepudi sta->addr, sta->wme, 14874671c209SPrameela Rani Garnepudi sta->aid, sta, sta_idx, 14884fd6c476SPrameela Rani Garnepudi 0, vif); 1489571b050bSPrameela Rani Garnepudi rsta->sta = NULL; 1490571b050bSPrameela Rani Garnepudi rsta->sta_id = -1; 1491571b050bSPrameela Rani Garnepudi for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) 1492571b050bSPrameela Rani Garnepudi rsta->start_tx_aggr[cnt] = false; 1493571b050bSPrameela Rani Garnepudi if (common->num_stations > 0) 1494571b050bSPrameela Rani Garnepudi common->num_stations--; 1495571b050bSPrameela Rani Garnepudi break; 1496571b050bSPrameela Rani Garnepudi } 1497571b050bSPrameela Rani Garnepudi } 1498571b050bSPrameela Rani Garnepudi if (sta_idx >= common->max_stations) 1499571b050bSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "%s: No station found\n", __func__); 1500571b050bSPrameela Rani Garnepudi } 1501571b050bSPrameela Rani Garnepudi 15024671c209SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_STATION) || 15034671c209SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT)) { 1504dad0d04fSFariya Fatima /* Resetting all the fields to default values */ 1505571b050bSPrameela Rani Garnepudi memcpy((u8 *)bss->bssid, (u8 *)sta->addr, ETH_ALEN); 1506571b050bSPrameela Rani Garnepudi bss->qos = sta->wme; 150757fbcce3SJohannes Berg common->bitrate_mask[NL80211_BAND_2GHZ] = 0; 150857fbcce3SJohannes Berg common->bitrate_mask[NL80211_BAND_5GHZ] = 0; 1509dad0d04fSFariya Fatima common->min_rate = 0xffff; 1510dad0d04fSFariya Fatima common->vif_info[0].is_ht = false; 1511dad0d04fSFariya Fatima common->vif_info[0].sgi = false; 1512dad0d04fSFariya Fatima common->vif_info[0].seq_start = 0; 1513dad0d04fSFariya Fatima common->secinfo.ptk_cipher = 0; 1514dad0d04fSFariya Fatima common->secinfo.gtk_cipher = 0; 1515571b050bSPrameela Rani Garnepudi if (!common->iface_down) 1516e6d64284SPrameela Rani Garnepudi rsi_send_rx_filter_frame(common, 0); 1517571b050bSPrameela Rani Garnepudi } 1518dad0d04fSFariya Fatima mutex_unlock(&common->mutex); 1519dad0d04fSFariya Fatima 1520dad0d04fSFariya Fatima return 0; 1521dad0d04fSFariya Fatima } 1522dad0d04fSFariya Fatima 15234edbcd1aSPrameela Rani Garnepudi /** 15244edbcd1aSPrameela Rani Garnepudi * rsi_mac80211_set_antenna() - This function is used to configure 15254edbcd1aSPrameela Rani Garnepudi * tx and rx antennas. 15264edbcd1aSPrameela Rani Garnepudi * @hw: Pointer to the ieee80211_hw structure. 15274edbcd1aSPrameela Rani Garnepudi * @tx_ant: Bitmap for tx antenna 15284edbcd1aSPrameela Rani Garnepudi * @rx_ant: Bitmap for rx antenna 15294edbcd1aSPrameela Rani Garnepudi * 15304edbcd1aSPrameela Rani Garnepudi * Return: 0 on success, Negative error code on failure. 15314edbcd1aSPrameela Rani Garnepudi */ 15324edbcd1aSPrameela Rani Garnepudi static int rsi_mac80211_set_antenna(struct ieee80211_hw *hw, 15334edbcd1aSPrameela Rani Garnepudi u32 tx_ant, u32 rx_ant) 15344edbcd1aSPrameela Rani Garnepudi { 15354edbcd1aSPrameela Rani Garnepudi struct rsi_hw *adapter = hw->priv; 15364edbcd1aSPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 15374edbcd1aSPrameela Rani Garnepudi u8 antenna = 0; 15384edbcd1aSPrameela Rani Garnepudi 15394edbcd1aSPrameela Rani Garnepudi if (tx_ant > 1 || rx_ant > 1) { 15404edbcd1aSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, 15414edbcd1aSPrameela Rani Garnepudi "Invalid antenna selection (tx: %d, rx:%d)\n", 15424edbcd1aSPrameela Rani Garnepudi tx_ant, rx_ant); 15434edbcd1aSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, 15444edbcd1aSPrameela Rani Garnepudi "Use 0 for int_ant, 1 for ext_ant\n"); 15454edbcd1aSPrameela Rani Garnepudi return -EINVAL; 15464edbcd1aSPrameela Rani Garnepudi } 15474edbcd1aSPrameela Rani Garnepudi 15484edbcd1aSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "%s: Antenna map Tx %x Rx %d\n", 15494edbcd1aSPrameela Rani Garnepudi __func__, tx_ant, rx_ant); 15504edbcd1aSPrameela Rani Garnepudi 15514edbcd1aSPrameela Rani Garnepudi mutex_lock(&common->mutex); 15524edbcd1aSPrameela Rani Garnepudi 15534edbcd1aSPrameela Rani Garnepudi antenna = tx_ant ? ANTENNA_SEL_UFL : ANTENNA_SEL_INT; 15544edbcd1aSPrameela Rani Garnepudi if (common->ant_in_use != antenna) 15554edbcd1aSPrameela Rani Garnepudi if (rsi_set_antenna(common, antenna)) 15564edbcd1aSPrameela Rani Garnepudi goto fail_set_antenna; 15574edbcd1aSPrameela Rani Garnepudi 15584edbcd1aSPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "(%s) Antenna path configured successfully\n", 15594edbcd1aSPrameela Rani Garnepudi tx_ant ? "UFL" : "INT"); 15604edbcd1aSPrameela Rani Garnepudi 15614edbcd1aSPrameela Rani Garnepudi common->ant_in_use = antenna; 15624edbcd1aSPrameela Rani Garnepudi 15634edbcd1aSPrameela Rani Garnepudi mutex_unlock(&common->mutex); 15644edbcd1aSPrameela Rani Garnepudi 15654edbcd1aSPrameela Rani Garnepudi return 0; 15664edbcd1aSPrameela Rani Garnepudi 15674edbcd1aSPrameela Rani Garnepudi fail_set_antenna: 15684edbcd1aSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "%s: Failed.\n", __func__); 15694edbcd1aSPrameela Rani Garnepudi mutex_unlock(&common->mutex); 15704edbcd1aSPrameela Rani Garnepudi return -EINVAL; 15714edbcd1aSPrameela Rani Garnepudi } 15724edbcd1aSPrameela Rani Garnepudi 15734edbcd1aSPrameela Rani Garnepudi /** 15744edbcd1aSPrameela Rani Garnepudi * rsi_mac80211_get_antenna() - This function is used to configure 15754edbcd1aSPrameela Rani Garnepudi * tx and rx antennas. 15764edbcd1aSPrameela Rani Garnepudi * 15774edbcd1aSPrameela Rani Garnepudi * @hw: Pointer to the ieee80211_hw structure. 15784edbcd1aSPrameela Rani Garnepudi * @tx_ant: Bitmap for tx antenna 15794edbcd1aSPrameela Rani Garnepudi * @rx_ant: Bitmap for rx antenna 15804edbcd1aSPrameela Rani Garnepudi * 1581fc438672SDan Carpenter * Return: 0 on success, negative error codes on failure. 15824edbcd1aSPrameela Rani Garnepudi */ 15834edbcd1aSPrameela Rani Garnepudi static int rsi_mac80211_get_antenna(struct ieee80211_hw *hw, 15844edbcd1aSPrameela Rani Garnepudi u32 *tx_ant, u32 *rx_ant) 15854edbcd1aSPrameela Rani Garnepudi { 15864edbcd1aSPrameela Rani Garnepudi struct rsi_hw *adapter = hw->priv; 15874edbcd1aSPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 15884edbcd1aSPrameela Rani Garnepudi 15894edbcd1aSPrameela Rani Garnepudi mutex_lock(&common->mutex); 15904edbcd1aSPrameela Rani Garnepudi 15914edbcd1aSPrameela Rani Garnepudi *tx_ant = (common->ant_in_use == ANTENNA_SEL_UFL) ? 1 : 0; 15924edbcd1aSPrameela Rani Garnepudi *rx_ant = 0; 15934edbcd1aSPrameela Rani Garnepudi 15944edbcd1aSPrameela Rani Garnepudi mutex_unlock(&common->mutex); 15954edbcd1aSPrameela Rani Garnepudi 15964edbcd1aSPrameela Rani Garnepudi return 0; 15974edbcd1aSPrameela Rani Garnepudi } 15984edbcd1aSPrameela Rani Garnepudi 1599d7203a83SPrameela Rani Garnepudi static int rsi_map_region_code(enum nl80211_dfs_regions region_code) 1600d7203a83SPrameela Rani Garnepudi { 1601d7203a83SPrameela Rani Garnepudi switch (region_code) { 1602d7203a83SPrameela Rani Garnepudi case NL80211_DFS_FCC: 1603d7203a83SPrameela Rani Garnepudi return RSI_REGION_FCC; 1604d7203a83SPrameela Rani Garnepudi case NL80211_DFS_ETSI: 1605d7203a83SPrameela Rani Garnepudi return RSI_REGION_ETSI; 1606d7203a83SPrameela Rani Garnepudi case NL80211_DFS_JP: 1607d7203a83SPrameela Rani Garnepudi return RSI_REGION_TELEC; 1608d7203a83SPrameela Rani Garnepudi case NL80211_DFS_UNSET: 1609d7203a83SPrameela Rani Garnepudi return RSI_REGION_WORLD; 1610d7203a83SPrameela Rani Garnepudi } 1611d7203a83SPrameela Rani Garnepudi return RSI_REGION_WORLD; 1612d7203a83SPrameela Rani Garnepudi } 1613d7203a83SPrameela Rani Garnepudi 161461d10842SPrameela Rani Garnepudi static void rsi_reg_notify(struct wiphy *wiphy, 161561d10842SPrameela Rani Garnepudi struct regulatory_request *request) 161661d10842SPrameela Rani Garnepudi { 161761d10842SPrameela Rani Garnepudi struct ieee80211_supported_band *sband; 161861d10842SPrameela Rani Garnepudi struct ieee80211_channel *ch; 161961d10842SPrameela Rani Garnepudi struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 162061d10842SPrameela Rani Garnepudi struct rsi_hw * adapter = hw->priv; 1621d7203a83SPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 162261d10842SPrameela Rani Garnepudi int i; 162361d10842SPrameela Rani Garnepudi 1624d7203a83SPrameela Rani Garnepudi mutex_lock(&common->mutex); 1625d7203a83SPrameela Rani Garnepudi 1626d7203a83SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "country = %s dfs_region = %d\n", 1627d7203a83SPrameela Rani Garnepudi request->alpha2, request->dfs_region); 1628d7203a83SPrameela Rani Garnepudi 1629d7203a83SPrameela Rani Garnepudi if (common->num_supp_bands > 1) { 163061d10842SPrameela Rani Garnepudi sband = wiphy->bands[NL80211_BAND_5GHZ]; 163161d10842SPrameela Rani Garnepudi 163261d10842SPrameela Rani Garnepudi for (i = 0; i < sband->n_channels; i++) { 163361d10842SPrameela Rani Garnepudi ch = &sband->channels[i]; 163461d10842SPrameela Rani Garnepudi if (ch->flags & IEEE80211_CHAN_DISABLED) 163561d10842SPrameela Rani Garnepudi continue; 163661d10842SPrameela Rani Garnepudi 163761d10842SPrameela Rani Garnepudi if (ch->flags & IEEE80211_CHAN_RADAR) 163861d10842SPrameela Rani Garnepudi ch->flags |= IEEE80211_CHAN_NO_IR; 163961d10842SPrameela Rani Garnepudi } 1640d7203a83SPrameela Rani Garnepudi } 1641d7203a83SPrameela Rani Garnepudi adapter->dfs_region = rsi_map_region_code(request->dfs_region); 1642d7203a83SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "RSI region code = %d\n", adapter->dfs_region); 164361d10842SPrameela Rani Garnepudi 1644d7203a83SPrameela Rani Garnepudi adapter->country[0] = request->alpha2[0]; 1645d7203a83SPrameela Rani Garnepudi adapter->country[1] = request->alpha2[1]; 1646d7203a83SPrameela Rani Garnepudi 1647d7203a83SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 164861d10842SPrameela Rani Garnepudi } 164961d10842SPrameela Rani Garnepudi 1650edba3532SPavani Muthyala static void rsi_mac80211_rfkill_poll(struct ieee80211_hw *hw) 1651edba3532SPavani Muthyala { 1652edba3532SPavani Muthyala struct rsi_hw *adapter = hw->priv; 1653edba3532SPavani Muthyala struct rsi_common *common = adapter->priv; 1654edba3532SPavani Muthyala 1655edba3532SPavani Muthyala mutex_lock(&common->mutex); 1656edba3532SPavani Muthyala if (common->fsm_state != FSM_MAC_INIT_DONE) 1657edba3532SPavani Muthyala wiphy_rfkill_set_hw_state(hw->wiphy, true); 1658edba3532SPavani Muthyala else 1659edba3532SPavani Muthyala wiphy_rfkill_set_hw_state(hw->wiphy, false); 1660edba3532SPavani Muthyala mutex_unlock(&common->mutex); 1661edba3532SPavani Muthyala } 1662edba3532SPavani Muthyala 1663df771911SPrameela Rani Garnepudi static void rsi_resume_conn_channel(struct rsi_common *common) 1664df771911SPrameela Rani Garnepudi { 1665df771911SPrameela Rani Garnepudi struct rsi_hw *adapter = common->priv; 1666df771911SPrameela Rani Garnepudi struct ieee80211_vif *vif; 1667df771911SPrameela Rani Garnepudi int cnt; 1668df771911SPrameela Rani Garnepudi 1669df771911SPrameela Rani Garnepudi for (cnt = 0; cnt < RSI_MAX_VIFS; cnt++) { 1670df771911SPrameela Rani Garnepudi vif = adapter->vifs[cnt]; 1671df771911SPrameela Rani Garnepudi if (!vif) 1672df771911SPrameela Rani Garnepudi continue; 1673df771911SPrameela Rani Garnepudi 1674df771911SPrameela Rani Garnepudi if ((vif->type == NL80211_IFTYPE_AP) || 1675df771911SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_GO)) { 1676df771911SPrameela Rani Garnepudi rsi_switch_channel(adapter, vif); 1677df771911SPrameela Rani Garnepudi break; 1678df771911SPrameela Rani Garnepudi } 1679df771911SPrameela Rani Garnepudi if (((vif->type == NL80211_IFTYPE_STATION) || 1680df771911SPrameela Rani Garnepudi (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && 1681df771911SPrameela Rani Garnepudi vif->bss_conf.assoc) { 1682df771911SPrameela Rani Garnepudi rsi_switch_channel(adapter, vif); 1683df771911SPrameela Rani Garnepudi break; 1684df771911SPrameela Rani Garnepudi } 1685df771911SPrameela Rani Garnepudi } 1686df771911SPrameela Rani Garnepudi } 1687df771911SPrameela Rani Garnepudi 1688dfefb9f8SKees Cook void rsi_roc_timeout(struct timer_list *t) 1689df771911SPrameela Rani Garnepudi { 1690dfefb9f8SKees Cook struct rsi_common *common = from_timer(common, t, roc_timer); 1691df771911SPrameela Rani Garnepudi 1692df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Remain on channel expired\n"); 1693df771911SPrameela Rani Garnepudi 1694df771911SPrameela Rani Garnepudi mutex_lock(&common->mutex); 1695df771911SPrameela Rani Garnepudi ieee80211_remain_on_channel_expired(common->priv->hw); 1696df771911SPrameela Rani Garnepudi 1697df771911SPrameela Rani Garnepudi if (timer_pending(&common->roc_timer)) 1698df771911SPrameela Rani Garnepudi del_timer(&common->roc_timer); 1699df771911SPrameela Rani Garnepudi 1700df771911SPrameela Rani Garnepudi rsi_resume_conn_channel(common); 1701df771911SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 1702df771911SPrameela Rani Garnepudi } 1703df771911SPrameela Rani Garnepudi 1704df771911SPrameela Rani Garnepudi static int rsi_mac80211_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1705df771911SPrameela Rani Garnepudi struct ieee80211_channel *chan, int duration, 1706df771911SPrameela Rani Garnepudi enum ieee80211_roc_type type) 1707df771911SPrameela Rani Garnepudi { 1708df771911SPrameela Rani Garnepudi struct rsi_hw *adapter = (struct rsi_hw *)hw->priv; 1709df771911SPrameela Rani Garnepudi struct rsi_common *common = (struct rsi_common *)adapter->priv; 1710df771911SPrameela Rani Garnepudi int status = 0; 1711df771911SPrameela Rani Garnepudi 1712df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "***** Remain on channel *****\n"); 1713df771911SPrameela Rani Garnepudi 1714df771911SPrameela Rani Garnepudi mutex_lock(&common->mutex); 1715df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "%s: channel: %d duration: %dms\n", 1716df771911SPrameela Rani Garnepudi __func__, chan->hw_value, duration); 1717df771911SPrameela Rani Garnepudi 1718df771911SPrameela Rani Garnepudi if (timer_pending(&common->roc_timer)) { 1719df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Stop on-going ROC\n"); 1720df771911SPrameela Rani Garnepudi del_timer(&common->roc_timer); 1721df771911SPrameela Rani Garnepudi } 1722df771911SPrameela Rani Garnepudi common->roc_timer.expires = msecs_to_jiffies(duration) + jiffies; 1723df771911SPrameela Rani Garnepudi add_timer(&common->roc_timer); 1724df771911SPrameela Rani Garnepudi 1725df771911SPrameela Rani Garnepudi /* Configure band */ 1726df771911SPrameela Rani Garnepudi if (rsi_band_check(common, chan)) { 1727df771911SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Failed to set band\n"); 1728df771911SPrameela Rani Garnepudi status = -EINVAL; 1729df771911SPrameela Rani Garnepudi goto out; 1730df771911SPrameela Rani Garnepudi } 1731df771911SPrameela Rani Garnepudi 1732df771911SPrameela Rani Garnepudi /* Configure channel */ 1733df771911SPrameela Rani Garnepudi if (rsi_set_channel(common, chan)) { 1734df771911SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Failed to set the channel\n"); 1735df771911SPrameela Rani Garnepudi status = -EINVAL; 1736df771911SPrameela Rani Garnepudi goto out; 1737df771911SPrameela Rani Garnepudi } 1738df771911SPrameela Rani Garnepudi 1739df771911SPrameela Rani Garnepudi common->roc_vif = vif; 1740df771911SPrameela Rani Garnepudi ieee80211_ready_on_channel(hw); 1741df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "%s: Ready on channel :%d\n", 1742df771911SPrameela Rani Garnepudi __func__, chan->hw_value); 1743df771911SPrameela Rani Garnepudi 1744df771911SPrameela Rani Garnepudi out: 1745df771911SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 1746df771911SPrameela Rani Garnepudi 1747df771911SPrameela Rani Garnepudi return status; 1748df771911SPrameela Rani Garnepudi } 1749df771911SPrameela Rani Garnepudi 1750df771911SPrameela Rani Garnepudi static int rsi_mac80211_cancel_roc(struct ieee80211_hw *hw) 1751df771911SPrameela Rani Garnepudi { 1752df771911SPrameela Rani Garnepudi struct rsi_hw *adapter = hw->priv; 1753df771911SPrameela Rani Garnepudi struct rsi_common *common = adapter->priv; 1754df771911SPrameela Rani Garnepudi 1755df771911SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "Cancel remain on channel\n"); 1756df771911SPrameela Rani Garnepudi 1757df771911SPrameela Rani Garnepudi mutex_lock(&common->mutex); 1758df771911SPrameela Rani Garnepudi if (!timer_pending(&common->roc_timer)) { 1759df771911SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 1760df771911SPrameela Rani Garnepudi return 0; 1761df771911SPrameela Rani Garnepudi } 1762df771911SPrameela Rani Garnepudi 1763df771911SPrameela Rani Garnepudi del_timer(&common->roc_timer); 1764df771911SPrameela Rani Garnepudi 1765df771911SPrameela Rani Garnepudi rsi_resume_conn_channel(common); 1766df771911SPrameela Rani Garnepudi mutex_unlock(&common->mutex); 1767df771911SPrameela Rani Garnepudi 1768df771911SPrameela Rani Garnepudi return 0; 1769df771911SPrameela Rani Garnepudi } 1770df771911SPrameela Rani Garnepudi 1771e6b3b2edSAmitkumar Karwar #ifdef CONFIG_PM 1772f3ac4e73SKarun Eagalapati static const struct wiphy_wowlan_support rsi_wowlan_support = { 1773f3ac4e73SKarun Eagalapati .flags = WIPHY_WOWLAN_ANY | 1774f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_MAGIC_PKT | 1775f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_DISCONNECT | 1776f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_GTK_REKEY_FAILURE | 1777f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 1778f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_EAP_IDENTITY_REQ | 1779f3ac4e73SKarun Eagalapati WIPHY_WOWLAN_4WAY_HANDSHAKE, 1780f3ac4e73SKarun Eagalapati }; 1781f3ac4e73SKarun Eagalapati 1782f3ac4e73SKarun Eagalapati static u16 rsi_wow_map_triggers(struct rsi_common *common, 1783f3ac4e73SKarun Eagalapati struct cfg80211_wowlan *wowlan) 1784f3ac4e73SKarun Eagalapati { 1785f3ac4e73SKarun Eagalapati u16 wow_triggers = 0; 1786f3ac4e73SKarun Eagalapati 1787f3ac4e73SKarun Eagalapati rsi_dbg(INFO_ZONE, "Mapping wowlan triggers\n"); 1788f3ac4e73SKarun Eagalapati 1789f3ac4e73SKarun Eagalapati if (wowlan->any) 1790f3ac4e73SKarun Eagalapati wow_triggers |= RSI_WOW_ANY; 1791f3ac4e73SKarun Eagalapati if (wowlan->magic_pkt) 1792f3ac4e73SKarun Eagalapati wow_triggers |= RSI_WOW_MAGIC_PKT; 1793f3ac4e73SKarun Eagalapati if (wowlan->disconnect) 1794f3ac4e73SKarun Eagalapati wow_triggers |= RSI_WOW_DISCONNECT; 1795f3ac4e73SKarun Eagalapati if (wowlan->gtk_rekey_failure || wowlan->eap_identity_req || 1796f3ac4e73SKarun Eagalapati wowlan->four_way_handshake) 1797f3ac4e73SKarun Eagalapati wow_triggers |= RSI_WOW_GTK_REKEY; 1798f3ac4e73SKarun Eagalapati 1799f3ac4e73SKarun Eagalapati return wow_triggers; 1800f3ac4e73SKarun Eagalapati } 1801f3ac4e73SKarun Eagalapati 1802f3ac4e73SKarun Eagalapati int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan) 1803f3ac4e73SKarun Eagalapati { 1804f3ac4e73SKarun Eagalapati struct rsi_common *common = adapter->priv; 1805f3ac4e73SKarun Eagalapati u16 triggers = 0; 1806f3ac4e73SKarun Eagalapati u16 rx_filter_word = 0; 1807f3ac4e73SKarun Eagalapati struct ieee80211_bss_conf *bss = &adapter->vifs[0]->bss_conf; 1808f3ac4e73SKarun Eagalapati 1809f3ac4e73SKarun Eagalapati rsi_dbg(INFO_ZONE, "Config WoWLAN to device\n"); 1810f3ac4e73SKarun Eagalapati 1811f3ac4e73SKarun Eagalapati if (WARN_ON(!wowlan)) { 1812f3ac4e73SKarun Eagalapati rsi_dbg(ERR_ZONE, "WoW triggers not enabled\n"); 1813f3ac4e73SKarun Eagalapati return -EINVAL; 1814f3ac4e73SKarun Eagalapati } 1815f3ac4e73SKarun Eagalapati 1816f3ac4e73SKarun Eagalapati triggers = rsi_wow_map_triggers(common, wowlan); 1817f3ac4e73SKarun Eagalapati if (!triggers) { 1818f3ac4e73SKarun Eagalapati rsi_dbg(ERR_ZONE, "%s:No valid WoW triggers\n", __func__); 1819f3ac4e73SKarun Eagalapati return -EINVAL; 1820f3ac4e73SKarun Eagalapati } 1821f3ac4e73SKarun Eagalapati if (!bss->assoc) { 1822f3ac4e73SKarun Eagalapati rsi_dbg(ERR_ZONE, 1823f3ac4e73SKarun Eagalapati "Cannot configure WoWLAN (Station not connected)\n"); 1824f3ac4e73SKarun Eagalapati common->wow_flags |= RSI_WOW_NO_CONNECTION; 1825f3ac4e73SKarun Eagalapati return 0; 1826f3ac4e73SKarun Eagalapati } 1827f3ac4e73SKarun Eagalapati rsi_dbg(INFO_ZONE, "TRIGGERS %x\n", triggers); 1828f3ac4e73SKarun Eagalapati rsi_send_wowlan_request(common, triggers, 1); 1829f3ac4e73SKarun Eagalapati 1830f3ac4e73SKarun Eagalapati /** 1831f3ac4e73SKarun Eagalapati * Increase the beacon_miss threshold & keep-alive timers in 1832f3ac4e73SKarun Eagalapati * vap_update frame 1833f3ac4e73SKarun Eagalapati */ 1834f3ac4e73SKarun Eagalapati rsi_send_vap_dynamic_update(common); 1835f3ac4e73SKarun Eagalapati 1836f3ac4e73SKarun Eagalapati rx_filter_word = (ALLOW_DATA_ASSOC_PEER | DISALLOW_BEACONS); 1837f3ac4e73SKarun Eagalapati rsi_send_rx_filter_frame(common, rx_filter_word); 1838f3ac4e73SKarun Eagalapati common->wow_flags |= RSI_WOW_ENABLED; 1839f3ac4e73SKarun Eagalapati 1840f3ac4e73SKarun Eagalapati return 0; 1841f3ac4e73SKarun Eagalapati } 1842063848c3SKarun Eagalapati EXPORT_SYMBOL(rsi_config_wowlan); 1843f3ac4e73SKarun Eagalapati 1844f3ac4e73SKarun Eagalapati static int rsi_mac80211_suspend(struct ieee80211_hw *hw, 1845f3ac4e73SKarun Eagalapati struct cfg80211_wowlan *wowlan) 1846f3ac4e73SKarun Eagalapati { 1847f3ac4e73SKarun Eagalapati struct rsi_hw *adapter = hw->priv; 1848f3ac4e73SKarun Eagalapati struct rsi_common *common = adapter->priv; 1849f3ac4e73SKarun Eagalapati 1850f3ac4e73SKarun Eagalapati rsi_dbg(INFO_ZONE, "%s: mac80211 suspend\n", __func__); 1851f3ac4e73SKarun Eagalapati mutex_lock(&common->mutex); 1852f3ac4e73SKarun Eagalapati if (rsi_config_wowlan(adapter, wowlan)) { 1853f3ac4e73SKarun Eagalapati rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n"); 1854f3ac4e73SKarun Eagalapati mutex_unlock(&common->mutex); 1855f3ac4e73SKarun Eagalapati return 1; 1856f3ac4e73SKarun Eagalapati } 1857f3ac4e73SKarun Eagalapati mutex_unlock(&common->mutex); 1858f3ac4e73SKarun Eagalapati 1859f3ac4e73SKarun Eagalapati return 0; 1860f3ac4e73SKarun Eagalapati } 1861f3ac4e73SKarun Eagalapati 1862f3ac4e73SKarun Eagalapati static int rsi_mac80211_resume(struct ieee80211_hw *hw) 1863f3ac4e73SKarun Eagalapati { 1864f3ac4e73SKarun Eagalapati u16 rx_filter_word = 0; 1865f3ac4e73SKarun Eagalapati struct rsi_hw *adapter = hw->priv; 1866f3ac4e73SKarun Eagalapati struct rsi_common *common = adapter->priv; 1867f3ac4e73SKarun Eagalapati 1868f3ac4e73SKarun Eagalapati common->wow_flags = 0; 1869f3ac4e73SKarun Eagalapati 1870f3ac4e73SKarun Eagalapati rsi_dbg(INFO_ZONE, "%s: mac80211 resume\n", __func__); 1871f3ac4e73SKarun Eagalapati 1872b6c8d06cSKarun Eagalapati if (common->hibernate_resume) 1873b6c8d06cSKarun Eagalapati return 0; 1874b6c8d06cSKarun Eagalapati 1875f3ac4e73SKarun Eagalapati mutex_lock(&common->mutex); 1876f3ac4e73SKarun Eagalapati rsi_send_wowlan_request(common, 0, 0); 1877f3ac4e73SKarun Eagalapati 1878f3ac4e73SKarun Eagalapati rx_filter_word = (ALLOW_DATA_ASSOC_PEER | ALLOW_CTRL_ASSOC_PEER | 1879f3ac4e73SKarun Eagalapati ALLOW_MGMT_ASSOC_PEER); 1880f3ac4e73SKarun Eagalapati rsi_send_rx_filter_frame(common, rx_filter_word); 1881f3ac4e73SKarun Eagalapati mutex_unlock(&common->mutex); 1882f3ac4e73SKarun Eagalapati 1883f3ac4e73SKarun Eagalapati return 0; 1884f3ac4e73SKarun Eagalapati } 1885f3ac4e73SKarun Eagalapati 1886f3ac4e73SKarun Eagalapati #endif 1887f3ac4e73SKarun Eagalapati 18889ea792a4SArvind Yadav static const struct ieee80211_ops mac80211_ops = { 1889dad0d04fSFariya Fatima .tx = rsi_mac80211_tx, 1890dad0d04fSFariya Fatima .start = rsi_mac80211_start, 1891dad0d04fSFariya Fatima .stop = rsi_mac80211_stop, 1892dad0d04fSFariya Fatima .add_interface = rsi_mac80211_add_interface, 1893dad0d04fSFariya Fatima .remove_interface = rsi_mac80211_remove_interface, 1894dad0d04fSFariya Fatima .config = rsi_mac80211_config, 1895dad0d04fSFariya Fatima .bss_info_changed = rsi_mac80211_bss_info_changed, 1896dad0d04fSFariya Fatima .conf_tx = rsi_mac80211_conf_tx, 1897dad0d04fSFariya Fatima .configure_filter = rsi_mac80211_conf_filter, 1898dad0d04fSFariya Fatima .set_key = rsi_mac80211_set_key, 1899dad0d04fSFariya Fatima .set_rts_threshold = rsi_mac80211_set_rts_threshold, 1900dad0d04fSFariya Fatima .set_bitrate_mask = rsi_mac80211_set_rate_mask, 1901dad0d04fSFariya Fatima .ampdu_action = rsi_mac80211_ampdu_action, 1902dad0d04fSFariya Fatima .sta_add = rsi_mac80211_sta_add, 1903dad0d04fSFariya Fatima .sta_remove = rsi_mac80211_sta_remove, 19044edbcd1aSPrameela Rani Garnepudi .set_antenna = rsi_mac80211_set_antenna, 19054edbcd1aSPrameela Rani Garnepudi .get_antenna = rsi_mac80211_get_antenna, 1906edba3532SPavani Muthyala .rfkill_poll = rsi_mac80211_rfkill_poll, 1907df771911SPrameela Rani Garnepudi .remain_on_channel = rsi_mac80211_roc, 1908df771911SPrameela Rani Garnepudi .cancel_remain_on_channel = rsi_mac80211_cancel_roc, 1909f3ac4e73SKarun Eagalapati #ifdef CONFIG_PM 1910f3ac4e73SKarun Eagalapati .suspend = rsi_mac80211_suspend, 1911f3ac4e73SKarun Eagalapati .resume = rsi_mac80211_resume, 1912f3ac4e73SKarun Eagalapati #endif 1913dad0d04fSFariya Fatima }; 1914dad0d04fSFariya Fatima 1915dad0d04fSFariya Fatima /** 1916dad0d04fSFariya Fatima * rsi_mac80211_attach() - This function is used to initialize Mac80211 stack. 1917dad0d04fSFariya Fatima * @common: Pointer to the driver private structure. 1918dad0d04fSFariya Fatima * 1919fc438672SDan Carpenter * Return: 0 on success, negative error codes on failure. 1920dad0d04fSFariya Fatima */ 1921dad0d04fSFariya Fatima int rsi_mac80211_attach(struct rsi_common *common) 1922dad0d04fSFariya Fatima { 1923dad0d04fSFariya Fatima int status = 0; 1924dad0d04fSFariya Fatima struct ieee80211_hw *hw = NULL; 1925dad0d04fSFariya Fatima struct wiphy *wiphy = NULL; 1926dad0d04fSFariya Fatima struct rsi_hw *adapter = common->priv; 1927dad0d04fSFariya Fatima u8 addr_mask[ETH_ALEN] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}; 1928dad0d04fSFariya Fatima 1929dad0d04fSFariya Fatima rsi_dbg(INIT_ZONE, "%s: Performing mac80211 attach\n", __func__); 1930dad0d04fSFariya Fatima 1931dad0d04fSFariya Fatima hw = ieee80211_alloc_hw(sizeof(struct rsi_hw), &mac80211_ops); 1932dad0d04fSFariya Fatima if (!hw) { 1933dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: ieee80211 hw alloc failed\n", __func__); 1934dad0d04fSFariya Fatima return -ENOMEM; 1935dad0d04fSFariya Fatima } 1936dad0d04fSFariya Fatima 1937dad0d04fSFariya Fatima wiphy = hw->wiphy; 1938dad0d04fSFariya Fatima 1939dad0d04fSFariya Fatima SET_IEEE80211_DEV(hw, adapter->device); 1940dad0d04fSFariya Fatima 1941dad0d04fSFariya Fatima hw->priv = adapter; 1942dad0d04fSFariya Fatima adapter->hw = hw; 1943dad0d04fSFariya Fatima 194430686bf7SJohannes Berg ieee80211_hw_set(hw, SIGNAL_DBM); 194530686bf7SJohannes Berg ieee80211_hw_set(hw, HAS_RATE_CONTROL); 194630686bf7SJohannes Berg ieee80211_hw_set(hw, AMPDU_AGGREGATION); 1947ce86893fSKarun Eagalapati ieee80211_hw_set(hw, SUPPORTS_PS); 1948ce86893fSKarun Eagalapati ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 1949dad0d04fSFariya Fatima 1950dad0d04fSFariya Fatima hw->queues = MAX_HW_QUEUES; 1951dad0d04fSFariya Fatima hw->extra_tx_headroom = RSI_NEEDED_HEADROOM; 1952dad0d04fSFariya Fatima 1953dad0d04fSFariya Fatima hw->max_rates = 1; 1954dad0d04fSFariya Fatima hw->max_rate_tries = MAX_RETRIES; 1955db07971dSKarun Eagalapati hw->uapsd_queues = RSI_IEEE80211_UAPSD_QUEUES; 1956db07971dSKarun Eagalapati hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; 1957dad0d04fSFariya Fatima 1958a55e50f0SAmitkumar Karwar hw->max_tx_aggregation_subframes = RSI_MAX_TX_AGGR_FRMS; 1959a55e50f0SAmitkumar Karwar hw->max_rx_aggregation_subframes = RSI_MAX_RX_AGGR_FRMS; 1960dad0d04fSFariya Fatima hw->rate_control_algorithm = "AARF"; 1961dad0d04fSFariya Fatima 1962dad0d04fSFariya Fatima SET_IEEE80211_PERM_ADDR(hw, common->mac_addr); 1963dad0d04fSFariya Fatima ether_addr_copy(hw->wiphy->addr_mask, addr_mask); 1964dad0d04fSFariya Fatima 19656da1e00aSPrameela Rani Garnepudi wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 1966421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_AP) | 1967421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_P2P_DEVICE) | 1968421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_P2P_CLIENT) | 1969421eedffSPrameela Rani Garnepudi BIT(NL80211_IFTYPE_P2P_GO); 1970421eedffSPrameela Rani Garnepudi 1971dad0d04fSFariya Fatima wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1972dad0d04fSFariya Fatima wiphy->retry_short = RETRY_SHORT; 1973dad0d04fSFariya Fatima wiphy->retry_long = RETRY_LONG; 1974dad0d04fSFariya Fatima wiphy->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD; 1975dad0d04fSFariya Fatima wiphy->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 1976dad0d04fSFariya Fatima wiphy->flags = 0; 1977dad0d04fSFariya Fatima 1978dad0d04fSFariya Fatima wiphy->available_antennas_rx = 1; 1979dad0d04fSFariya Fatima wiphy->available_antennas_tx = 1; 1980f0b147b8SAmitkumar Karwar 1981f0b147b8SAmitkumar Karwar rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ); 198257fbcce3SJohannes Berg wiphy->bands[NL80211_BAND_2GHZ] = 198357fbcce3SJohannes Berg &adapter->sbands[NL80211_BAND_2GHZ]; 1984f0b147b8SAmitkumar Karwar if (common->num_supp_bands > 1) { 1985f0b147b8SAmitkumar Karwar rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ); 198657fbcce3SJohannes Berg wiphy->bands[NL80211_BAND_5GHZ] = 198757fbcce3SJohannes Berg &adapter->sbands[NL80211_BAND_5GHZ]; 1988f0b147b8SAmitkumar Karwar } 1989dad0d04fSFariya Fatima 19906da1e00aSPrameela Rani Garnepudi /* AP Parameters */ 19916da1e00aSPrameela Rani Garnepudi wiphy->max_ap_assoc_sta = rsi_max_ap_stas[common->oper_mode - 1]; 19926da1e00aSPrameela Rani Garnepudi common->max_stations = wiphy->max_ap_assoc_sta; 19936da1e00aSPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, "Max Stations Allowed = %d\n", common->max_stations); 19946da1e00aSPrameela Rani Garnepudi hw->sta_data_size = sizeof(struct rsi_sta); 19956da1e00aSPrameela Rani Garnepudi wiphy->flags = WIPHY_FLAG_REPORTS_OBSS; 19966da1e00aSPrameela Rani Garnepudi wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 19976da1e00aSPrameela Rani Garnepudi wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 199861d10842SPrameela Rani Garnepudi wiphy->reg_notifier = rsi_reg_notify; 199961d10842SPrameela Rani Garnepudi 2000e6b3b2edSAmitkumar Karwar #ifdef CONFIG_PM 2001f3ac4e73SKarun Eagalapati wiphy->wowlan = &rsi_wowlan_support; 2002e6b3b2edSAmitkumar Karwar #endif 2003e6b3b2edSAmitkumar Karwar 2004ae44b502SAndrew Zaborowski wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 2005ae44b502SAndrew Zaborowski 2006421eedffSPrameela Rani Garnepudi /* Wi-Fi direct parameters */ 2007df771911SPrameela Rani Garnepudi wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 2008df771911SPrameela Rani Garnepudi wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX; 2009df771911SPrameela Rani Garnepudi wiphy->max_remain_on_channel_duration = 10000; 2010421eedffSPrameela Rani Garnepudi hw->max_listen_interval = 10; 2011421eedffSPrameela Rani Garnepudi wiphy->iface_combinations = rsi_iface_combinations; 2012421eedffSPrameela Rani Garnepudi wiphy->n_iface_combinations = ARRAY_SIZE(rsi_iface_combinations); 2013421eedffSPrameela Rani Garnepudi 20141e9c410fSAmitkumar Karwar if (common->coex_mode > 1) 20151e9c410fSAmitkumar Karwar wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 20161e9c410fSAmitkumar Karwar 2017dad0d04fSFariya Fatima status = ieee80211_register_hw(hw); 2018dad0d04fSFariya Fatima if (status) 2019dad0d04fSFariya Fatima return status; 2020dad0d04fSFariya Fatima 2021dad0d04fSFariya Fatima return rsi_init_dbgfs(adapter); 2022dad0d04fSFariya Fatima } 2023