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path: root/drivers/net/wireless/rt2x00/rt2800usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c158
1 files changed, 1 insertions, 157 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f5b864b1a55d..ce2e893856c1 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1119,162 +1119,6 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1119 return 0; 1119 return 0;
1120} 1120}
1121 1121
1122/*
1123 * IEEE80211 stack callback functions.
1124 */
1125static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
1126 u32 *iv32, u16 *iv16)
1127{
1128 struct rt2x00_dev *rt2x00dev = hw->priv;
1129 struct mac_iveiv_entry iveiv_entry;
1130 u32 offset;
1131
1132 offset = MAC_IVEIV_ENTRY(hw_key_idx);
1133 rt2800_register_multiread(rt2x00dev, offset,
1134 &iveiv_entry, sizeof(iveiv_entry));
1135
1136 memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
1137 memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
1138}
1139
1140static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1141{
1142 struct rt2x00_dev *rt2x00dev = hw->priv;
1143 u32 reg;
1144 bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
1145
1146 rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1147 rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
1148 rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
1149
1150 rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1151 rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
1152 rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1153
1154 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1155 rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
1156 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1157
1158 rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1159 rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
1160 rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1161
1162 rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1163 rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
1164 rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1165
1166 rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1167 rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
1168 rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1169
1170 rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1171 rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
1172 rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1173
1174 return 0;
1175}
1176
1177static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
1178 const struct ieee80211_tx_queue_params *params)
1179{
1180 struct rt2x00_dev *rt2x00dev = hw->priv;
1181 struct data_queue *queue;
1182 struct rt2x00_field32 field;
1183 int retval;
1184 u32 reg;
1185 u32 offset;
1186
1187 /*
1188 * First pass the configuration through rt2x00lib, that will
1189 * update the queue settings and validate the input. After that
1190 * we are free to update the registers based on the value
1191 * in the queue parameter.
1192 */
1193 retval = rt2x00mac_conf_tx(hw, queue_idx, params);
1194 if (retval)
1195 return retval;
1196
1197 /*
1198 * We only need to perform additional register initialization
1199 * for WMM queues/
1200 */
1201 if (queue_idx >= 4)
1202 return 0;
1203
1204 queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
1205
1206 /* Update WMM TXOP register */
1207 offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
1208 field.bit_offset = (queue_idx & 1) * 16;
1209 field.bit_mask = 0xffff << field.bit_offset;
1210
1211 rt2800_register_read(rt2x00dev, offset, &reg);
1212 rt2x00_set_field32(&reg, field, queue->txop);
1213 rt2800_register_write(rt2x00dev, offset, reg);
1214
1215 /* Update WMM registers */
1216 field.bit_offset = queue_idx * 4;
1217 field.bit_mask = 0xf << field.bit_offset;
1218
1219 rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
1220 rt2x00_set_field32(&reg, field, queue->aifs);
1221 rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
1222
1223 rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
1224 rt2x00_set_field32(&reg, field, queue->cw_min);
1225 rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
1226
1227 rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
1228 rt2x00_set_field32(&reg, field, queue->cw_max);
1229 rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
1230
1231 /* Update EDCA registers */
1232 offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
1233
1234 rt2800_register_read(rt2x00dev, offset, &reg);
1235 rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
1236 rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
1237 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
1238 rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
1239 rt2800_register_write(rt2x00dev, offset, reg);
1240
1241 return 0;
1242}
1243
1244static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
1245{
1246 struct rt2x00_dev *rt2x00dev = hw->priv;
1247 u64 tsf;
1248 u32 reg;
1249
1250 rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
1251 tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
1252 rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
1253 tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
1254
1255 return tsf;
1256}
1257
1258static const struct ieee80211_ops rt2800usb_mac80211_ops = {
1259 .tx = rt2x00mac_tx,
1260 .start = rt2x00mac_start,
1261 .stop = rt2x00mac_stop,
1262 .add_interface = rt2x00mac_add_interface,
1263 .remove_interface = rt2x00mac_remove_interface,
1264 .config = rt2x00mac_config,
1265 .configure_filter = rt2x00mac_configure_filter,
1266 .set_tim = rt2x00mac_set_tim,
1267 .set_key = rt2x00mac_set_key,
1268 .get_stats = rt2x00mac_get_stats,
1269 .get_tkip_seq = rt2800usb_get_tkip_seq,
1270 .set_rts_threshold = rt2800usb_set_rts_threshold,
1271 .bss_info_changed = rt2x00mac_bss_info_changed,
1272 .conf_tx = rt2800usb_conf_tx,
1273 .get_tx_stats = rt2x00mac_get_tx_stats,
1274 .get_tsf = rt2800usb_get_tsf,
1275 .rfkill_poll = rt2x00mac_rfkill_poll,
1276};
1277
1278static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { 1122static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
1279 .probe_hw = rt2800usb_probe_hw, 1123 .probe_hw = rt2800usb_probe_hw,
1280 .get_firmware_name = rt2800usb_get_firmware_name, 1124 .get_firmware_name = rt2800usb_get_firmware_name,
@@ -1336,7 +1180,7 @@ static const struct rt2x00_ops rt2800usb_ops = {
1336 .tx = &rt2800usb_queue_tx, 1180 .tx = &rt2800usb_queue_tx,
1337 .bcn = &rt2800usb_queue_bcn, 1181 .bcn = &rt2800usb_queue_bcn,
1338 .lib = &rt2800usb_rt2x00_ops, 1182 .lib = &rt2800usb_rt2x00_ops,
1339 .hw = &rt2800usb_mac80211_ops, 1183 .hw = &rt2800_mac80211_ops,
1340#ifdef CONFIG_RT2X00_LIB_DEBUGFS 1184#ifdef CONFIG_RT2X00_LIB_DEBUGFS
1341 .debugfs = &rt2800_rt2x00debug, 1185 .debugfs = &rt2800_rt2x00debug,
1342#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ 1186#endif /* CONFIG_RT2X00_LIB_DEBUGFS */