1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../usb.h" 6 #include "../ps.h" 7 #include "../base.h" 8 #include "reg.h" 9 #include "def.h" 10 #include "phy.h" 11 #include "rf.h" 12 #include "dm.h" 13 #include "mac.h" 14 #include "trx.h" 15 #include "../rtl8192c/fw_common.h" 16 17 static int configvertoutep(struct ieee80211_hw *hw) 18 { 19 u8 ep_cfg, txqsele; 20 u8 ep_nums = 0; 21 22 struct rtl_priv *rtlpriv = rtl_priv(hw); 23 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 24 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 25 26 rtlusb->out_queue_sel = 0; 27 ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL); 28 ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT; 29 switch (ep_cfg) { 30 case 0: /* 2 bulk OUT, 1 bulk IN */ 31 case 3: 32 rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ; 33 ep_nums = 2; 34 break; 35 case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */ 36 case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */ 37 txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS); 38 if (txqsele & 0x0F) /* /map all endpoint to High queue */ 39 rtlusb->out_queue_sel = TX_SELE_HQ; 40 else if (txqsele&0xF0) /* map all endpoint to Low queue */ 41 rtlusb->out_queue_sel = TX_SELE_LQ; 42 ep_nums = 1; 43 break; 44 default: 45 break; 46 } 47 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; 48 } 49 50 static int configvernoutep(struct ieee80211_hw *hw) 51 { 52 u8 ep_cfg; 53 u8 ep_nums = 0; 54 55 struct rtl_priv *rtlpriv = rtl_priv(hw); 56 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 57 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 58 59 rtlusb->out_queue_sel = 0; 60 /* Normal and High queue */ 61 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1)); 62 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { 63 rtlusb->out_queue_sel |= TX_SELE_HQ; 64 ep_nums++; 65 } 66 if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) { 67 rtlusb->out_queue_sel |= TX_SELE_NQ; 68 ep_nums++; 69 } 70 /* Low queue */ 71 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2)); 72 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { 73 rtlusb->out_queue_sel |= TX_SELE_LQ; 74 ep_nums++; 75 } 76 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; 77 } 78 79 static void twooutepmapping(struct ieee80211_hw *hw, bool is_chip8, 80 bool bwificfg, struct rtl_ep_map *ep_map) 81 { 82 struct rtl_priv *rtlpriv = rtl_priv(hw); 83 84 if (bwificfg) { /* for WMM */ 85 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 86 "USB Chip-B & WMM Setting.....\n"); 87 ep_map->ep_mapping[RTL_TXQ_BE] = 2; 88 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 89 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 90 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 91 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 92 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 93 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 94 } else { /* typical setting */ 95 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 96 "USB typical Setting.....\n"); 97 ep_map->ep_mapping[RTL_TXQ_BE] = 3; 98 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 99 ep_map->ep_mapping[RTL_TXQ_VI] = 2; 100 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 101 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 102 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 103 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 104 } 105 } 106 107 static void threeoutepmapping(struct ieee80211_hw *hw, bool bwificfg, 108 struct rtl_ep_map *ep_map) 109 { 110 struct rtl_priv *rtlpriv = rtl_priv(hw); 111 112 if (bwificfg) { /* for WMM */ 113 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 114 "USB 3EP Setting for WMM.....\n"); 115 ep_map->ep_mapping[RTL_TXQ_BE] = 5; 116 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 117 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 118 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 119 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 120 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 121 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 122 } else { /* typical setting */ 123 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 124 "USB 3EP Setting for typical.....\n"); 125 ep_map->ep_mapping[RTL_TXQ_BE] = 5; 126 ep_map->ep_mapping[RTL_TXQ_BK] = 5; 127 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 128 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 129 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 130 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 131 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 132 } 133 } 134 135 static void oneoutepmapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map) 136 { 137 ep_map->ep_mapping[RTL_TXQ_BE] = 2; 138 ep_map->ep_mapping[RTL_TXQ_BK] = 2; 139 ep_map->ep_mapping[RTL_TXQ_VI] = 2; 140 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 141 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 142 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 143 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 144 } 145 146 static int _out_ep_mapping(struct ieee80211_hw *hw) 147 { 148 int err = 0; 149 bool ischipn, bwificfg = false; 150 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 151 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 152 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 153 struct rtl_ep_map *ep_map = &(rtlusb->ep_map); 154 155 ischipn = IS_NORMAL_CHIP(rtlhal->version); 156 switch (rtlusb->out_ep_nums) { 157 case 2: 158 twooutepmapping(hw, ischipn, bwificfg, ep_map); 159 break; 160 case 3: 161 /* Test chip doesn't support three out EPs. */ 162 if (!ischipn) { 163 err = -EINVAL; 164 goto err_out; 165 } 166 threeoutepmapping(hw, ischipn, ep_map); 167 break; 168 case 1: 169 oneoutepmapping(hw, ep_map); 170 break; 171 default: 172 err = -EINVAL; 173 break; 174 } 175 err_out: 176 return err; 177 178 } 179 180 /* endpoint mapping */ 181 int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw) 182 { 183 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 184 int error = 0; 185 186 if (likely(IS_NORMAL_CHIP(rtlhal->version))) 187 error = configvernoutep(hw); 188 else 189 error = configvertoutep(hw); 190 if (error) 191 goto err_out; 192 error = _out_ep_mapping(hw); 193 if (error) 194 goto err_out; 195 err_out: 196 return error; 197 } 198 199 u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index) 200 { 201 u16 hw_queue_index; 202 203 if (unlikely(ieee80211_is_beacon(fc))) { 204 hw_queue_index = RTL_TXQ_BCN; 205 goto out; 206 } 207 if (ieee80211_is_mgmt(fc)) { 208 hw_queue_index = RTL_TXQ_MGT; 209 goto out; 210 } 211 switch (mac80211_queue_index) { 212 case 0: 213 hw_queue_index = RTL_TXQ_VO; 214 break; 215 case 1: 216 hw_queue_index = RTL_TXQ_VI; 217 break; 218 case 2: 219 hw_queue_index = RTL_TXQ_BE; 220 break; 221 case 3: 222 hw_queue_index = RTL_TXQ_BK; 223 break; 224 default: 225 hw_queue_index = RTL_TXQ_BE; 226 WARN_ONCE(true, "rtl8192cu: QSLT_BE queue, skb_queue:%d\n", 227 mac80211_queue_index); 228 break; 229 } 230 out: 231 return hw_queue_index; 232 } 233 234 static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw, 235 __le16 fc, u16 mac80211_queue_index) 236 { 237 enum rtl_desc_qsel qsel; 238 struct rtl_priv *rtlpriv = rtl_priv(hw); 239 240 if (unlikely(ieee80211_is_beacon(fc))) { 241 qsel = QSLT_BEACON; 242 goto out; 243 } 244 if (ieee80211_is_mgmt(fc)) { 245 qsel = QSLT_MGNT; 246 goto out; 247 } 248 switch (mac80211_queue_index) { 249 case 0: /* VO */ 250 qsel = QSLT_VO; 251 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 252 "VO queue, set qsel = 0x%x\n", QSLT_VO); 253 break; 254 case 1: /* VI */ 255 qsel = QSLT_VI; 256 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 257 "VI queue, set qsel = 0x%x\n", QSLT_VI); 258 break; 259 case 3: /* BK */ 260 qsel = QSLT_BK; 261 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 262 "BK queue, set qsel = 0x%x\n", QSLT_BK); 263 break; 264 case 2: /* BE */ 265 default: 266 qsel = QSLT_BE; 267 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 268 "BE queue, set qsel = 0x%x\n", QSLT_BE); 269 break; 270 } 271 out: 272 return qsel; 273 } 274 275 /* =============================================================== */ 276 277 /*---------------------------------------------------------------------- 278 * 279 * Rx handler 280 * 281 *---------------------------------------------------------------------- */ 282 bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw, 283 struct rtl_stats *stats, 284 struct ieee80211_rx_status *rx_status, 285 u8 *pdesc, struct sk_buff *skb) 286 { 287 struct rx_fwinfo_92c *p_drvinfo; 288 struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc; 289 u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc); 290 291 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 292 stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) * 293 RX_DRV_INFO_SIZE_UNIT; 294 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 295 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 296 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 297 stats->hwerror = (stats->crc | stats->icv); 298 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 299 stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc); 300 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 301 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 302 stats->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) 303 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 304 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 305 stats->rx_is40mhzpacket = (bool)GET_RX_DESC_BW(pdesc); 306 stats->is_ht = (bool)GET_RX_DESC_RX_HT(pdesc); 307 rx_status->freq = hw->conf.chandef.chan->center_freq; 308 rx_status->band = hw->conf.chandef.chan->band; 309 if (GET_RX_DESC_CRC32(pdesc)) 310 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 311 if (!GET_RX_DESC_SWDEC(pdesc)) 312 rx_status->flag |= RX_FLAG_DECRYPTED; 313 if (GET_RX_DESC_BW(pdesc)) 314 rx_status->bw = RATE_INFO_BW_40; 315 if (GET_RX_DESC_RX_HT(pdesc)) 316 rx_status->encoding = RX_ENC_HT; 317 rx_status->flag |= RX_FLAG_MACTIME_START; 318 if (stats->decrypted) 319 rx_status->flag |= RX_FLAG_DECRYPTED; 320 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 321 false, stats->rate); 322 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 323 if (phystatus) { 324 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + 325 stats->rx_bufshift); 326 rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc, 327 p_drvinfo); 328 } 329 /*rx_status->qual = stats->signal; */ 330 rx_status->signal = stats->recvsignalpower + 10; 331 return true; 332 } 333 334 #define RTL_RX_DRV_INFO_UNIT 8 335 336 static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb) 337 { 338 struct ieee80211_rx_status *rx_status = 339 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb); 340 u32 skb_len, pkt_len, drvinfo_len; 341 struct rtl_priv *rtlpriv = rtl_priv(hw); 342 u8 *rxdesc; 343 struct rtl_stats stats = { 344 .signal = 0, 345 .rate = 0, 346 }; 347 struct rx_fwinfo_92c *p_drvinfo; 348 bool bv; 349 __le16 fc; 350 struct ieee80211_hdr *hdr; 351 352 memset(rx_status, 0, sizeof(*rx_status)); 353 rxdesc = skb->data; 354 skb_len = skb->len; 355 drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT); 356 pkt_len = GET_RX_DESC_PKT_LEN(rxdesc); 357 /* TODO: Error recovery. drop this skb or something. */ 358 WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len)); 359 stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc); 360 stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) * 361 RX_DRV_INFO_SIZE_UNIT; 362 stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03); 363 stats.icv = (u16) GET_RX_DESC_ICV(rxdesc); 364 stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc); 365 stats.hwerror = (stats.crc | stats.icv); 366 stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc); 367 stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc); 368 stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc); 369 stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1) 370 && (GET_RX_DESC_FAGGR(rxdesc) == 1)); 371 stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc); 372 stats.rx_is40mhzpacket = (bool)GET_RX_DESC_BW(rxdesc); 373 stats.is_ht = (bool)GET_RX_DESC_RX_HT(rxdesc); 374 /* TODO: is center_freq changed when doing scan? */ 375 /* TODO: Shall we add protection or just skip those two step? */ 376 rx_status->freq = hw->conf.chandef.chan->center_freq; 377 rx_status->band = hw->conf.chandef.chan->band; 378 if (GET_RX_DESC_CRC32(rxdesc)) 379 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 380 if (!GET_RX_DESC_SWDEC(rxdesc)) 381 rx_status->flag |= RX_FLAG_DECRYPTED; 382 if (GET_RX_DESC_BW(rxdesc)) 383 rx_status->bw = RATE_INFO_BW_40; 384 if (GET_RX_DESC_RX_HT(rxdesc)) 385 rx_status->encoding = RX_ENC_HT; 386 /* Data rate */ 387 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht, 388 false, stats.rate); 389 /* There is a phy status after this rx descriptor. */ 390 if (GET_RX_DESC_PHY_STATUS(rxdesc)) { 391 p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE); 392 rtl92c_translate_rx_signal_stuff(hw, skb, &stats, 393 (struct rx_desc_92c *)rxdesc, p_drvinfo); 394 } 395 skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE)); 396 hdr = (struct ieee80211_hdr *)(skb->data); 397 fc = hdr->frame_control; 398 bv = ieee80211_is_probe_resp(fc); 399 if (bv) 400 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 401 "Got probe response frame\n"); 402 if (ieee80211_is_beacon(fc)) 403 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n"); 404 if (ieee80211_is_data(fc)) 405 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n"); 406 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 407 "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n", 408 fc, 409 (u32)hdr->addr1[0], (u32)hdr->addr1[1], 410 (u32)hdr->addr1[2], (u32)hdr->addr1[3], 411 (u32)hdr->addr1[4], (u32)hdr->addr1[5]); 412 ieee80211_rx(hw, skb); 413 } 414 415 void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb) 416 { 417 _rtl_rx_process(hw, skb); 418 } 419 420 /*---------------------------------------------------------------------- 421 * 422 * Tx handler 423 * 424 *---------------------------------------------------------------------- */ 425 void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb) 426 { 427 } 428 429 int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb, 430 struct sk_buff *skb) 431 { 432 return 0; 433 } 434 435 struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw, 436 struct sk_buff_head *list) 437 { 438 return skb_dequeue(list); 439 } 440 441 /*======================================== trx ===============================*/ 442 443 static void _rtl_fill_usb_tx_desc(u8 *txdesc) 444 { 445 SET_TX_DESC_OWN(txdesc, 1); 446 SET_TX_DESC_LAST_SEG(txdesc, 1); 447 SET_TX_DESC_FIRST_SEG(txdesc, 1); 448 } 449 450 /** 451 * For HW recovery information 452 */ 453 static void _rtl_tx_desc_checksum(u8 *txdesc) 454 { 455 __le16 *ptr = (__le16 *)txdesc; 456 u16 checksum = 0; 457 u32 index; 458 459 /* Clear first */ 460 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0); 461 for (index = 0; index < 16; index++) 462 checksum = checksum ^ le16_to_cpu(*(ptr + index)); 463 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum); 464 } 465 466 void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, 467 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 468 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 469 struct ieee80211_sta *sta, 470 struct sk_buff *skb, 471 u8 queue_index, 472 struct rtl_tcb_desc *tcb_desc) 473 { 474 struct rtl_priv *rtlpriv = rtl_priv(hw); 475 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 476 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 477 bool defaultadapter = true; 478 u8 *qc = ieee80211_get_qos_ctl(hdr); 479 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 480 u16 seq_number; 481 __le16 fc = hdr->frame_control; 482 u8 rate_flag = info->control.rates[0].flags; 483 u16 pktlen = skb->len; 484 enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc, 485 skb_get_queue_mapping(skb)); 486 u8 *txdesc; 487 488 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 489 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); 490 txdesc = skb_push(skb, RTL_TX_HEADER_SIZE); 491 memset(txdesc, 0, RTL_TX_HEADER_SIZE); 492 SET_TX_DESC_PKT_SIZE(txdesc, pktlen); 493 SET_TX_DESC_LINIP(txdesc, 0); 494 SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET); 495 SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE); 496 SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate); 497 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) 498 SET_TX_DESC_DATA_SHORTGI(txdesc, 1); 499 if (mac->tids[tid].agg.agg_state == RTL_AGG_ON && 500 info->flags & IEEE80211_TX_CTL_AMPDU) { 501 SET_TX_DESC_AGG_ENABLE(txdesc, 1); 502 SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14); 503 } else { 504 SET_TX_DESC_AGG_BREAK(txdesc, 1); 505 } 506 SET_TX_DESC_SEQ(txdesc, seq_number); 507 SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable && 508 !tcb_desc->cts_enable) ? 1 : 0)); 509 SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable || 510 tcb_desc->cts_enable) ? 1 : 0)); 511 SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0)); 512 SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); 513 SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate); 514 SET_TX_DESC_RTS_BW(txdesc, 0); 515 SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc); 516 SET_TX_DESC_RTS_SHORT(txdesc, 517 ((tcb_desc->rts_rate <= DESC_RATE54M) ? 518 (tcb_desc->rts_use_shortpreamble ? 1 : 0) 519 : (tcb_desc->rts_use_shortgi ? 1 : 0))); 520 if (mac->bw_40) { 521 if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { 522 SET_TX_DESC_DATA_BW(txdesc, 1); 523 SET_TX_DESC_DATA_SC(txdesc, 3); 524 } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ 525 SET_TX_DESC_DATA_BW(txdesc, 1); 526 SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc); 527 } else { 528 SET_TX_DESC_DATA_BW(txdesc, 0); 529 SET_TX_DESC_DATA_SC(txdesc, 0); 530 } 531 } else { 532 SET_TX_DESC_DATA_BW(txdesc, 0); 533 SET_TX_DESC_DATA_SC(txdesc, 0); 534 } 535 rcu_read_lock(); 536 sta = ieee80211_find_sta(mac->vif, mac->bssid); 537 if (sta) { 538 u8 ampdu_density = sta->ht_cap.ampdu_density; 539 540 SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density); 541 } 542 rcu_read_unlock(); 543 if (info->control.hw_key) { 544 struct ieee80211_key_conf *keyconf = info->control.hw_key; 545 546 switch (keyconf->cipher) { 547 case WLAN_CIPHER_SUITE_WEP40: 548 case WLAN_CIPHER_SUITE_WEP104: 549 case WLAN_CIPHER_SUITE_TKIP: 550 SET_TX_DESC_SEC_TYPE(txdesc, 0x1); 551 break; 552 case WLAN_CIPHER_SUITE_CCMP: 553 SET_TX_DESC_SEC_TYPE(txdesc, 0x3); 554 break; 555 default: 556 SET_TX_DESC_SEC_TYPE(txdesc, 0x0); 557 break; 558 } 559 } 560 SET_TX_DESC_PKT_ID(txdesc, 0); 561 SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel); 562 SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F); 563 SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF); 564 SET_TX_DESC_DISABLE_FB(txdesc, 0); 565 SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0); 566 if (ieee80211_is_data_qos(fc)) { 567 if (mac->rdg_en) { 568 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 569 "Enable RDG function\n"); 570 SET_TX_DESC_RDG_ENABLE(txdesc, 1); 571 SET_TX_DESC_HTC(txdesc, 1); 572 } 573 } 574 if (rtlpriv->dm.useramask) { 575 SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index); 576 SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id); 577 } else { 578 SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index); 579 SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index); 580 } 581 if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps && 582 ppsc->fwctrl_lps) { 583 SET_TX_DESC_HWSEQ_EN(txdesc, 1); 584 SET_TX_DESC_PKT_ID(txdesc, 8); 585 if (!defaultadapter) 586 SET_TX_DESC_QOS(txdesc, 1); 587 } 588 if (ieee80211_has_morefrags(fc)) 589 SET_TX_DESC_MORE_FRAG(txdesc, 1); 590 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 591 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 592 SET_TX_DESC_BMC(txdesc, 1); 593 _rtl_fill_usb_tx_desc(txdesc); 594 _rtl_tx_desc_checksum(txdesc); 595 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n"); 596 } 597 598 void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 *pdesc, 599 u32 buffer_len, bool is_pspoll) 600 { 601 /* Clear all status */ 602 memset(pdesc, 0, RTL_TX_HEADER_SIZE); 603 SET_TX_DESC_FIRST_SEG(pdesc, 1); /* bFirstSeg; */ 604 SET_TX_DESC_LAST_SEG(pdesc, 1); /* bLastSeg; */ 605 SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */ 606 SET_TX_DESC_PKT_SIZE(pdesc, buffer_len); /* Buffer size + command hdr */ 607 SET_TX_DESC_QUEUE_SEL(pdesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */ 608 /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error 609 * vlaue by Hw. */ 610 if (is_pspoll) { 611 SET_TX_DESC_NAV_USE_HDR(pdesc, 1); 612 } else { 613 SET_TX_DESC_HWSEQ_EN(pdesc, 1); /* Hw set sequence number */ 614 SET_TX_DESC_PKT_ID(pdesc, 0x100); /* set bit3 to 1. */ 615 } 616 SET_TX_DESC_USE_RATE(pdesc, 1); /* use data rate which is set by Sw */ 617 SET_TX_DESC_OWN(pdesc, 1); 618 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 619 _rtl_tx_desc_checksum(pdesc); 620 } 621 622 void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw, 623 u8 *pdesc, bool firstseg, 624 bool lastseg, struct sk_buff *skb) 625 { 626 struct rtl_priv *rtlpriv = rtl_priv(hw); 627 u8 fw_queue = QSLT_BEACON; 628 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 629 __le16 fc = hdr->frame_control; 630 631 memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE); 632 if (firstseg) 633 SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE); 634 SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); 635 SET_TX_DESC_SEQ(pdesc, 0); 636 SET_TX_DESC_LINIP(pdesc, 0); 637 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 638 SET_TX_DESC_FIRST_SEG(pdesc, 1); 639 SET_TX_DESC_LAST_SEG(pdesc, 1); 640 SET_TX_DESC_RATE_ID(pdesc, 7); 641 SET_TX_DESC_MACID(pdesc, 0); 642 SET_TX_DESC_OWN(pdesc, 1); 643 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len); 644 SET_TX_DESC_FIRST_SEG(pdesc, 1); 645 SET_TX_DESC_LAST_SEG(pdesc, 1); 646 SET_TX_DESC_OFFSET(pdesc, 0x20); 647 SET_TX_DESC_USE_RATE(pdesc, 1); 648 if (!ieee80211_is_data_qos(fc)) { 649 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 650 SET_TX_DESC_PKT_ID(pdesc, 8); 651 } 652 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content", 653 pdesc, RTL_TX_DESC_SIZE); 654 } 655