1/****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * wlanfae <wlanfae@realtek.com> 23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 24 * Hsinchu 300, Taiwan. 25 * 26 * Larry Finger <Larry.Finger@lwfinger.net> 27 * 28 *****************************************************************************/ 29 30#include "../wifi.h" 31#include "../usb.h" 32#include "../ps.h" 33#include "../base.h" 34#include "reg.h" 35#include "def.h" 36#include "phy.h" 37#include "rf.h" 38#include "dm.h" 39#include "mac.h" 40#include "trx.h" 41#include "../rtl8192c/fw_common.h" 42 43static int _ConfigVerTOutEP(struct ieee80211_hw *hw) 44{ 45 u8 ep_cfg, txqsele; 46 u8 ep_nums = 0; 47 48 struct rtl_priv *rtlpriv = rtl_priv(hw); 49 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 50 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 51 52 rtlusb->out_queue_sel = 0; 53 ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL); 54 ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT; 55 switch (ep_cfg) { 56 case 0: /* 2 bulk OUT, 1 bulk IN */ 57 case 3: 58 rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ; 59 ep_nums = 2; 60 break; 61 case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */ 62 case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */ 63 txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS); 64 if (txqsele & 0x0F) /* /map all endpoint to High queue */ 65 rtlusb->out_queue_sel = TX_SELE_HQ; 66 else if (txqsele&0xF0) /* map all endpoint to Low queue */ 67 rtlusb->out_queue_sel = TX_SELE_LQ; 68 ep_nums = 1; 69 break; 70 default: 71 break; 72 } 73 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; 74} 75 76static int _ConfigVerNOutEP(struct ieee80211_hw *hw) 77{ 78 u8 ep_cfg; 79 u8 ep_nums = 0; 80 81 struct rtl_priv *rtlpriv = rtl_priv(hw); 82 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 83 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 84 85 rtlusb->out_queue_sel = 0; 86 /* Normal and High queue */ 87 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1)); 88 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { 89 rtlusb->out_queue_sel |= TX_SELE_HQ; 90 ep_nums++; 91 } 92 if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) { 93 rtlusb->out_queue_sel |= TX_SELE_NQ; 94 ep_nums++; 95 } 96 /* Low queue */ 97 ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2)); 98 if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { 99 rtlusb->out_queue_sel |= TX_SELE_LQ; 100 ep_nums++; 101 } 102 return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; 103} 104 105static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB, 106 bool bwificfg, struct rtl_ep_map *ep_map) 107{ 108 struct rtl_priv *rtlpriv = rtl_priv(hw); 109 110 if (bwificfg) { /* for WMM */ 111 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 112 "USB Chip-B & WMM Setting.....\n"); 113 ep_map->ep_mapping[RTL_TXQ_BE] = 2; 114 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 115 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 116 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 117 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 118 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 119 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 120 } else { /* typical setting */ 121 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 122 "USB typical Setting.....\n"); 123 ep_map->ep_mapping[RTL_TXQ_BE] = 3; 124 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 125 ep_map->ep_mapping[RTL_TXQ_VI] = 2; 126 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 127 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 128 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 129 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 130 } 131} 132 133static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool bwificfg, 134 struct rtl_ep_map *ep_map) 135{ 136 struct rtl_priv *rtlpriv = rtl_priv(hw); 137 if (bwificfg) { /* for WMM */ 138 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 139 "USB 3EP Setting for WMM.....\n"); 140 ep_map->ep_mapping[RTL_TXQ_BE] = 5; 141 ep_map->ep_mapping[RTL_TXQ_BK] = 3; 142 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 143 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 144 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 145 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 146 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 147 } else { /* typical setting */ 148 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 149 "USB 3EP Setting for typical.....\n"); 150 ep_map->ep_mapping[RTL_TXQ_BE] = 5; 151 ep_map->ep_mapping[RTL_TXQ_BK] = 5; 152 ep_map->ep_mapping[RTL_TXQ_VI] = 3; 153 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 154 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 155 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 156 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 157 } 158} 159 160static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map) 161{ 162 ep_map->ep_mapping[RTL_TXQ_BE] = 2; 163 ep_map->ep_mapping[RTL_TXQ_BK] = 2; 164 ep_map->ep_mapping[RTL_TXQ_VI] = 2; 165 ep_map->ep_mapping[RTL_TXQ_VO] = 2; 166 ep_map->ep_mapping[RTL_TXQ_MGT] = 2; 167 ep_map->ep_mapping[RTL_TXQ_BCN] = 2; 168 ep_map->ep_mapping[RTL_TXQ_HI] = 2; 169} 170static int _out_ep_mapping(struct ieee80211_hw *hw) 171{ 172 int err = 0; 173 bool bIsChipN, bwificfg = false; 174 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 175 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 176 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 177 struct rtl_ep_map *ep_map = &(rtlusb->ep_map); 178 179 bIsChipN = IS_NORMAL_CHIP(rtlhal->version); 180 switch (rtlusb->out_ep_nums) { 181 case 2: 182 _TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map); 183 break; 184 case 3: 185 /* Test chip doesn't support three out EPs. */ 186 if (!bIsChipN) { 187 err = -EINVAL; 188 goto err_out; 189 } 190 _ThreeOutEpMapping(hw, bIsChipN, ep_map); 191 break; 192 case 1: 193 _OneOutEpMapping(hw, ep_map); 194 break; 195 default: 196 err = -EINVAL; 197 break; 198 } 199err_out: 200 return err; 201 202} 203/* endpoint mapping */ 204int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw) 205{ 206 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 207 int error = 0; 208 if (likely(IS_NORMAL_CHIP(rtlhal->version))) 209 error = _ConfigVerNOutEP(hw); 210 else 211 error = _ConfigVerTOutEP(hw); 212 if (error) 213 goto err_out; 214 error = _out_ep_mapping(hw); 215 if (error) 216 goto err_out; 217err_out: 218 return error; 219} 220 221u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index) 222{ 223 u16 hw_queue_index; 224 225 if (unlikely(ieee80211_is_beacon(fc))) { 226 hw_queue_index = RTL_TXQ_BCN; 227 goto out; 228 } 229 if (ieee80211_is_mgmt(fc)) { 230 hw_queue_index = RTL_TXQ_MGT; 231 goto out; 232 } 233 switch (mac80211_queue_index) { 234 case 0: 235 hw_queue_index = RTL_TXQ_VO; 236 break; 237 case 1: 238 hw_queue_index = RTL_TXQ_VI; 239 break; 240 case 2: 241 hw_queue_index = RTL_TXQ_BE; 242 break; 243 case 3: 244 hw_queue_index = RTL_TXQ_BK; 245 break; 246 default: 247 hw_queue_index = RTL_TXQ_BE; 248 RT_ASSERT(false, "QSLT_BE queue, skb_queue:%d\n", 249 mac80211_queue_index); 250 break; 251 } 252out: 253 return hw_queue_index; 254} 255 256static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw, 257 __le16 fc, u16 mac80211_queue_index) 258{ 259 enum rtl_desc_qsel qsel; 260 struct rtl_priv *rtlpriv = rtl_priv(hw); 261 262 if (unlikely(ieee80211_is_beacon(fc))) { 263 qsel = QSLT_BEACON; 264 goto out; 265 } 266 if (ieee80211_is_mgmt(fc)) { 267 qsel = QSLT_MGNT; 268 goto out; 269 } 270 switch (mac80211_queue_index) { 271 case 0: /* VO */ 272 qsel = QSLT_VO; 273 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 274 "VO queue, set qsel = 0x%x\n", QSLT_VO); 275 break; 276 case 1: /* VI */ 277 qsel = QSLT_VI; 278 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 279 "VI queue, set qsel = 0x%x\n", QSLT_VI); 280 break; 281 case 3: /* BK */ 282 qsel = QSLT_BK; 283 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 284 "BK queue, set qsel = 0x%x\n", QSLT_BK); 285 break; 286 case 2: /* BE */ 287 default: 288 qsel = QSLT_BE; 289 RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, 290 "BE queue, set qsel = 0x%x\n", QSLT_BE); 291 break; 292 } 293out: 294 return qsel; 295} 296 297/* =============================================================== */ 298 299/*---------------------------------------------------------------------- 300 * 301 * Rx handler 302 * 303 *---------------------------------------------------------------------- */ 304bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw, 305 struct rtl_stats *stats, 306 struct ieee80211_rx_status *rx_status, 307 u8 *pdesc, struct sk_buff *skb) 308{ 309 struct rx_fwinfo_92c *p_drvinfo; 310 struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc; 311 u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc); 312 313 stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); 314 stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) * 315 RX_DRV_INFO_SIZE_UNIT; 316 stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); 317 stats->icv = (u16) GET_RX_DESC_ICV(pdesc); 318 stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); 319 stats->hwerror = (stats->crc | stats->icv); 320 stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); 321 stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc); 322 stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); 323 stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); 324 stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) 325 && (GET_RX_DESC_FAGGR(pdesc) == 1)); 326 stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); 327 stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); 328 rx_status->freq = hw->conf.chandef.chan->center_freq; 329 rx_status->band = hw->conf.chandef.chan->band; 330 if (GET_RX_DESC_CRC32(pdesc)) 331 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 332 if (!GET_RX_DESC_SWDEC(pdesc)) 333 rx_status->flag |= RX_FLAG_DECRYPTED; 334 if (GET_RX_DESC_BW(pdesc)) 335 rx_status->flag |= RX_FLAG_40MHZ; 336 if (GET_RX_DESC_RX_HT(pdesc)) 337 rx_status->flag |= RX_FLAG_HT; 338 rx_status->flag |= RX_FLAG_MACTIME_START; 339 if (stats->decrypted) 340 rx_status->flag |= RX_FLAG_DECRYPTED; 341 rx_status->rate_idx = rtlwifi_rate_mapping(hw, 342 (bool)GET_RX_DESC_RX_HT(pdesc), 343 (u8)GET_RX_DESC_RX_MCS(pdesc), 344 (bool)GET_RX_DESC_PAGGR(pdesc)); 345 rx_status->mactime = GET_RX_DESC_TSFL(pdesc); 346 if (phystatus) { 347 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + 348 stats->rx_bufshift); 349 rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc, 350 p_drvinfo); 351 } 352 /*rx_status->qual = stats->signal; */ 353 rx_status->signal = stats->recvsignalpower + 10; 354 return true; 355} 356 357#define RTL_RX_DRV_INFO_UNIT 8 358 359static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb) 360{ 361 struct ieee80211_rx_status *rx_status = 362 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb); 363 u32 skb_len, pkt_len, drvinfo_len; 364 struct rtl_priv *rtlpriv = rtl_priv(hw); 365 u8 *rxdesc; 366 struct rtl_stats stats = { 367 .signal = 0, 368 .rate = 0, 369 }; 370 struct rx_fwinfo_92c *p_drvinfo; 371 bool bv; 372 __le16 fc; 373 struct ieee80211_hdr *hdr; 374 375 memset(rx_status, 0, sizeof(*rx_status)); 376 rxdesc = skb->data; 377 skb_len = skb->len; 378 drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT); 379 pkt_len = GET_RX_DESC_PKT_LEN(rxdesc); 380 /* TODO: Error recovery. drop this skb or something. */ 381 WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len)); 382 stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc); 383 stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) * 384 RX_DRV_INFO_SIZE_UNIT; 385 stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03); 386 stats.icv = (u16) GET_RX_DESC_ICV(rxdesc); 387 stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc); 388 stats.hwerror = (stats.crc | stats.icv); 389 stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc); 390 stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc); 391 stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc); 392 stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1) 393 && (GET_RX_DESC_FAGGR(rxdesc) == 1)); 394 stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc); 395 stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc); 396 /* TODO: is center_freq changed when doing scan? */ 397 /* TODO: Shall we add protection or just skip those two step? */ 398 rx_status->freq = hw->conf.chandef.chan->center_freq; 399 rx_status->band = hw->conf.chandef.chan->band; 400 if (GET_RX_DESC_CRC32(rxdesc)) 401 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 402 if (!GET_RX_DESC_SWDEC(rxdesc)) 403 rx_status->flag |= RX_FLAG_DECRYPTED; 404 if (GET_RX_DESC_BW(rxdesc)) 405 rx_status->flag |= RX_FLAG_40MHZ; 406 if (GET_RX_DESC_RX_HT(rxdesc)) 407 rx_status->flag |= RX_FLAG_HT; 408 /* Data rate */ 409 rx_status->rate_idx = rtlwifi_rate_mapping(hw, 410 (bool)GET_RX_DESC_RX_HT(rxdesc), 411 (u8)GET_RX_DESC_RX_MCS(rxdesc), 412 (bool)GET_RX_DESC_PAGGR(rxdesc)); 413 /* There is a phy status after this rx descriptor. */ 414 if (GET_RX_DESC_PHY_STATUS(rxdesc)) { 415 p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE); 416 rtl92c_translate_rx_signal_stuff(hw, skb, &stats, 417 (struct rx_desc_92c *)rxdesc, p_drvinfo); 418 } 419 skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE)); 420 hdr = (struct ieee80211_hdr *)(skb->data); 421 fc = hdr->frame_control; 422 bv = ieee80211_is_probe_resp(fc); 423 if (bv) 424 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 425 "Got probe response frame\n"); 426 if (ieee80211_is_beacon(fc)) 427 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n"); 428 if (ieee80211_is_data(fc)) 429 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n"); 430 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 431 "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n", 432 fc, 433 (u32)hdr->addr1[0], (u32)hdr->addr1[1], 434 (u32)hdr->addr1[2], (u32)hdr->addr1[3], 435 (u32)hdr->addr1[4], (u32)hdr->addr1[5]); 436 memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status)); 437 ieee80211_rx(hw, skb); 438} 439 440void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb) 441{ 442 _rtl_rx_process(hw, skb); 443} 444 445void rtl8192c_rx_segregate_hdl( 446 struct ieee80211_hw *hw, 447 struct sk_buff *skb, 448 struct sk_buff_head *skb_list) 449{ 450} 451 452/*---------------------------------------------------------------------- 453 * 454 * Tx handler 455 * 456 *---------------------------------------------------------------------- */ 457void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb) 458{ 459} 460 461int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb, 462 struct sk_buff *skb) 463{ 464 return 0; 465} 466 467struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw, 468 struct sk_buff_head *list) 469{ 470 return skb_dequeue(list); 471} 472 473/*======================================== trx ===============================*/ 474 475static void _rtl_fill_usb_tx_desc(u8 *txdesc) 476{ 477 SET_TX_DESC_OWN(txdesc, 1); 478 SET_TX_DESC_LAST_SEG(txdesc, 1); 479 SET_TX_DESC_FIRST_SEG(txdesc, 1); 480} 481/** 482 * For HW recovery information 483 */ 484static void _rtl_tx_desc_checksum(u8 *txdesc) 485{ 486 u16 *ptr = (u16 *)txdesc; 487 u16 checksum = 0; 488 u32 index; 489 490 /* Clear first */ 491 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0); 492 for (index = 0; index < 16; index++) 493 checksum = checksum ^ (*(ptr + index)); 494 SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum); 495} 496 497void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, 498 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 499 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 500 struct ieee80211_sta *sta, 501 struct sk_buff *skb, 502 u8 queue_index, 503 struct rtl_tcb_desc *tcb_desc) 504{ 505 struct rtl_priv *rtlpriv = rtl_priv(hw); 506 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 507 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 508 bool defaultadapter = true; 509 u8 *qc = ieee80211_get_qos_ctl(hdr); 510 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 511 u16 seq_number; 512 __le16 fc = hdr->frame_control; 513 u8 rate_flag = info->control.rates[0].flags; 514 u16 pktlen = skb->len; 515 enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc, 516 skb_get_queue_mapping(skb)); 517 u8 *txdesc; 518 519 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 520 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); 521 txdesc = (u8 *)skb_push(skb, RTL_TX_HEADER_SIZE); 522 memset(txdesc, 0, RTL_TX_HEADER_SIZE); 523 SET_TX_DESC_PKT_SIZE(txdesc, pktlen); 524 SET_TX_DESC_LINIP(txdesc, 0); 525 SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET); 526 SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE); 527 SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate); 528 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) 529 SET_TX_DESC_DATA_SHORTGI(txdesc, 1); 530 if (mac->tids[tid].agg.agg_state == RTL_AGG_ON && 531 info->flags & IEEE80211_TX_CTL_AMPDU) { 532 SET_TX_DESC_AGG_ENABLE(txdesc, 1); 533 SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14); 534 } else { 535 SET_TX_DESC_AGG_BREAK(txdesc, 1); 536 } 537 SET_TX_DESC_SEQ(txdesc, seq_number); 538 SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable && 539 !tcb_desc->cts_enable) ? 1 : 0)); 540 SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable || 541 tcb_desc->cts_enable) ? 1 : 0)); 542 SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0)); 543 SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); 544 SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate); 545 SET_TX_DESC_RTS_BW(txdesc, 0); 546 SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc); 547 SET_TX_DESC_RTS_SHORT(txdesc, 548 ((tcb_desc->rts_rate <= DESC92_RATE54M) ? 549 (tcb_desc->rts_use_shortpreamble ? 1 : 0) 550 : (tcb_desc->rts_use_shortgi ? 1 : 0))); 551 if (mac->bw_40) { 552 if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { 553 SET_TX_DESC_DATA_BW(txdesc, 1); 554 SET_TX_DESC_DATA_SC(txdesc, 3); 555 } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ 556 SET_TX_DESC_DATA_BW(txdesc, 1); 557 SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc); 558 } else { 559 SET_TX_DESC_DATA_BW(txdesc, 0); 560 SET_TX_DESC_DATA_SC(txdesc, 0); 561 } 562 } else { 563 SET_TX_DESC_DATA_BW(txdesc, 0); 564 SET_TX_DESC_DATA_SC(txdesc, 0); 565 } 566 rcu_read_lock(); 567 sta = ieee80211_find_sta(mac->vif, mac->bssid); 568 if (sta) { 569 u8 ampdu_density = sta->ht_cap.ampdu_density; 570 SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density); 571 } 572 rcu_read_unlock(); 573 if (info->control.hw_key) { 574 struct ieee80211_key_conf *keyconf = info->control.hw_key; 575 switch (keyconf->cipher) { 576 case WLAN_CIPHER_SUITE_WEP40: 577 case WLAN_CIPHER_SUITE_WEP104: 578 case WLAN_CIPHER_SUITE_TKIP: 579 SET_TX_DESC_SEC_TYPE(txdesc, 0x1); 580 break; 581 case WLAN_CIPHER_SUITE_CCMP: 582 SET_TX_DESC_SEC_TYPE(txdesc, 0x3); 583 break; 584 default: 585 SET_TX_DESC_SEC_TYPE(txdesc, 0x0); 586 break; 587 } 588 } 589 SET_TX_DESC_PKT_ID(txdesc, 0); 590 SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel); 591 SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F); 592 SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF); 593 SET_TX_DESC_DISABLE_FB(txdesc, 0); 594 SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0); 595 if (ieee80211_is_data_qos(fc)) { 596 if (mac->rdg_en) { 597 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, 598 "Enable RDG function\n"); 599 SET_TX_DESC_RDG_ENABLE(txdesc, 1); 600 SET_TX_DESC_HTC(txdesc, 1); 601 } 602 } 603 if (rtlpriv->dm.useramask) { 604 SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index); 605 SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id); 606 } else { 607 SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index); 608 SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index); 609 } 610 if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps && 611 ppsc->fwctrl_lps) { 612 SET_TX_DESC_HWSEQ_EN(txdesc, 1); 613 SET_TX_DESC_PKT_ID(txdesc, 8); 614 if (!defaultadapter) 615 SET_TX_DESC_QOS(txdesc, 1); 616 } 617 if (ieee80211_has_morefrags(fc)) 618 SET_TX_DESC_MORE_FRAG(txdesc, 1); 619 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 620 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 621 SET_TX_DESC_BMC(txdesc, 1); 622 _rtl_fill_usb_tx_desc(txdesc); 623 _rtl_tx_desc_checksum(txdesc); 624 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n"); 625} 626 627void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc, 628 u32 buffer_len, bool bIsPsPoll) 629{ 630 /* Clear all status */ 631 memset(pDesc, 0, RTL_TX_HEADER_SIZE); 632 SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */ 633 SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */ 634 SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */ 635 SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */ 636 SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */ 637 /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error 638 * vlaue by Hw. */ 639 if (bIsPsPoll) { 640 SET_TX_DESC_NAV_USE_HDR(pDesc, 1); 641 } else { 642 SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */ 643 SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */ 644 } 645 SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */ 646 SET_TX_DESC_OWN(pDesc, 1); 647 SET_TX_DESC_TX_RATE(pDesc, DESC92_RATE1M); 648 _rtl_tx_desc_checksum(pDesc); 649} 650 651void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw, 652 u8 *pdesc, bool firstseg, 653 bool lastseg, struct sk_buff *skb) 654{ 655 struct rtl_priv *rtlpriv = rtl_priv(hw); 656 u8 fw_queue = QSLT_BEACON; 657 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); 658 __le16 fc = hdr->frame_control; 659 660 memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE); 661 if (firstseg) 662 SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE); 663 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M); 664 SET_TX_DESC_SEQ(pdesc, 0); 665 SET_TX_DESC_LINIP(pdesc, 0); 666 SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); 667 SET_TX_DESC_FIRST_SEG(pdesc, 1); 668 SET_TX_DESC_LAST_SEG(pdesc, 1); 669 SET_TX_DESC_RATE_ID(pdesc, 7); 670 SET_TX_DESC_MACID(pdesc, 0); 671 SET_TX_DESC_OWN(pdesc, 1); 672 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len); 673 SET_TX_DESC_FIRST_SEG(pdesc, 1); 674 SET_TX_DESC_LAST_SEG(pdesc, 1); 675 SET_TX_DESC_OFFSET(pdesc, 0x20); 676 SET_TX_DESC_USE_RATE(pdesc, 1); 677 if (!ieee80211_is_data_qos(fc)) { 678 SET_TX_DESC_HWSEQ_EN(pdesc, 1); 679 SET_TX_DESC_PKT_ID(pdesc, 8); 680 } 681 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content", 682 pdesc, RTL_TX_DESC_SIZE); 683} 684 685bool rtl92cu_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 686{ 687 return true; 688} 689