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 17static 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 50static 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 79static void twooutepmapping(struct ieee80211_hw *hw, bool is_chip8, 80 bool bwificfg, struct rtl_ep_map *ep_map) 81{ 82 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 83 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 84 struct rtl_priv *rtlpriv = rtl_priv(hw); 85 86 if (bwificfg) { /* for WMM */ 87 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 88 "USB Chip-B & WMM Setting.....\n"); 89 ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[0]; 90 ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[1]; 91 ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[1]; 92 ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0]; 93 ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0]; 94 ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0]; 95 ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0]; 96 } else { /* typical setting */ 97 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 98 "USB typical Setting.....\n"); 99 ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[1]; 100 ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[1]; 101 ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[0]; 102 ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0]; 103 ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0]; 104 ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0]; 105 ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0]; 106 } 107} 108 109static void threeoutepmapping(struct ieee80211_hw *hw, bool bwificfg, 110 struct rtl_ep_map *ep_map) 111{ 112 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 113 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 114 struct rtl_priv *rtlpriv = rtl_priv(hw); 115 116 if (bwificfg) { /* for WMM */ 117 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 118 "USB 3EP Setting for WMM.....\n"); 119 ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[2]; 120 ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[1]; 121 ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[1]; 122 ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0]; 123 ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0]; 124 ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0]; 125 ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0]; 126 } else { /* typical setting */ 127 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 128 "USB 3EP Setting for typical.....\n"); 129 ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[2]; 130 ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[2]; 131 ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[1]; 132 ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0]; 133 ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0]; 134 ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0]; 135 ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0]; 136 } 137} 138 139static void oneoutepmapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map) 140{ 141 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 142 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 143 144 ep_map->ep_mapping[RTL_TXQ_BE] = rtlusb->out_eps[0]; 145 ep_map->ep_mapping[RTL_TXQ_BK] = rtlusb->out_eps[0]; 146 ep_map->ep_mapping[RTL_TXQ_VI] = rtlusb->out_eps[0]; 147 ep_map->ep_mapping[RTL_TXQ_VO] = rtlusb->out_eps[0]; 148 ep_map->ep_mapping[RTL_TXQ_MGT] = rtlusb->out_eps[0]; 149 ep_map->ep_mapping[RTL_TXQ_BCN] = rtlusb->out_eps[0]; 150 ep_map->ep_mapping[RTL_TXQ_HI] = rtlusb->out_eps[0]; 151} 152 153static int _out_ep_mapping(struct ieee80211_hw *hw) 154{ 155 int err = 0; 156 bool ischipn, bwificfg = false; 157 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 158 struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); 159 struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); 160 struct rtl_ep_map *ep_map = &(rtlusb->ep_map); 161 162 ischipn = IS_NORMAL_CHIP(rtlhal->version); 163 switch (rtlusb->out_ep_nums) { 164 case 2: 165 twooutepmapping(hw, ischipn, bwificfg, ep_map); 166 break; 167 case 3: 168 /* Test chip doesn't support three out EPs. */ 169 if (!ischipn) { 170 err = -EINVAL; 171 goto err_out; 172 } 173 threeoutepmapping(hw, ischipn, ep_map); 174 break; 175 case 1: 176 oneoutepmapping(hw, ep_map); 177 break; 178 default: 179 err = -EINVAL; 180 break; 181 } 182err_out: 183 return err; 184 185} 186 187/* endpoint mapping */ 188int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw) 189{ 190 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 191 int error = 0; 192 193 if (likely(IS_NORMAL_CHIP(rtlhal->version))) 194 error = configvernoutep(hw); 195 else 196 error = configvertoutep(hw); 197 if (error) 198 goto err_out; 199 error = _out_ep_mapping(hw); 200 if (error) 201 goto err_out; 202err_out: 203 return error; 204} 205 206u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index) 207{ 208 u16 hw_queue_index; 209 210 if (unlikely(ieee80211_is_beacon(fc))) { 211 hw_queue_index = RTL_TXQ_BCN; 212 goto out; 213 } 214 if (ieee80211_is_mgmt(fc)) { 215 hw_queue_index = RTL_TXQ_MGT; 216 goto out; 217 } 218 switch (mac80211_queue_index) { 219 case 0: 220 hw_queue_index = RTL_TXQ_VO; 221 break; 222 case 1: 223 hw_queue_index = RTL_TXQ_VI; 224 break; 225 case 2: 226 hw_queue_index = RTL_TXQ_BE; 227 break; 228 case 3: 229 hw_queue_index = RTL_TXQ_BK; 230 break; 231 default: 232 hw_queue_index = RTL_TXQ_BE; 233 WARN_ONCE(true, "rtl8192cu: QSLT_BE queue, skb_queue:%d\n", 234 mac80211_queue_index); 235 break; 236 } 237out: 238 return hw_queue_index; 239} 240 241static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw, 242 __le16 fc, u16 mac80211_queue_index) 243{ 244 enum rtl_desc_qsel qsel; 245 struct rtl_priv *rtlpriv = rtl_priv(hw); 246 247 if (unlikely(ieee80211_is_beacon(fc))) { 248 qsel = QSLT_BEACON; 249 goto out; 250 } 251 if (ieee80211_is_mgmt(fc)) { 252 qsel = QSLT_MGNT; 253 goto out; 254 } 255 switch (mac80211_queue_index) { 256 case 0: /* VO */ 257 qsel = QSLT_VO; 258 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG, 259 "VO queue, set qsel = 0x%x\n", QSLT_VO); 260 break; 261 case 1: /* VI */ 262 qsel = QSLT_VI; 263 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG, 264 "VI queue, set qsel = 0x%x\n", QSLT_VI); 265 break; 266 case 3: /* BK */ 267 qsel = QSLT_BK; 268 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG, 269 "BK queue, set qsel = 0x%x\n", QSLT_BK); 270 break; 271 case 2: /* BE */ 272 default: 273 qsel = QSLT_BE; 274 rtl_dbg(rtlpriv, COMP_USB, DBG_DMESG, 275 "BE queue, set qsel = 0x%x\n", QSLT_BE); 276 break; 277 } 278out: 279 return qsel; 280} 281 282/* =============================================================== */ 283 284/*---------------------------------------------------------------------- 285 * 286 * Rx handler 287 * 288 *---------------------------------------------------------------------- */ 289bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw, 290 struct rtl_stats *stats, 291 struct ieee80211_rx_status *rx_status, 292 u8 *pdesc8, struct sk_buff *skb) 293{ 294 struct rx_fwinfo_92c *p_drvinfo; 295 struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc8; 296 __le32 *pdesc = (__le32 *)pdesc8; 297 u32 phystatus = get_rx_desc_phy_status(pdesc); 298 299 stats->length = (u16)get_rx_desc_pkt_len(pdesc); 300 stats->rx_drvinfo_size = (u8)get_rx_desc_drvinfo_size(pdesc) * 301 RX_DRV_INFO_SIZE_UNIT; 302 stats->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03); 303 stats->icv = (u16)get_rx_desc_icv(pdesc); 304 stats->crc = (u16)get_rx_desc_crc32(pdesc); 305 stats->hwerror = (stats->crc | stats->icv); 306 stats->decrypted = !get_rx_desc_swdec(pdesc); 307 stats->rate = (u8)get_rx_desc_rx_mcs(pdesc); 308 stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc); 309 stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1); 310 stats->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) && 311 (get_rx_desc_faggr(pdesc) == 1)); 312 stats->timestamp_low = get_rx_desc_tsfl(pdesc); 313 stats->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc); 314 stats->is_ht = (bool)get_rx_desc_rx_ht(pdesc); 315 rx_status->freq = hw->conf.chandef.chan->center_freq; 316 rx_status->band = hw->conf.chandef.chan->band; 317 if (get_rx_desc_crc32(pdesc)) 318 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 319 if (!get_rx_desc_swdec(pdesc)) 320 rx_status->flag |= RX_FLAG_DECRYPTED; 321 if (get_rx_desc_bw(pdesc)) 322 rx_status->bw = RATE_INFO_BW_40; 323 if (get_rx_desc_rx_ht(pdesc)) 324 rx_status->encoding = RX_ENC_HT; 325 rx_status->flag |= RX_FLAG_MACTIME_START; 326 if (stats->decrypted) 327 rx_status->flag |= RX_FLAG_DECRYPTED; 328 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, 329 false, stats->rate); 330 rx_status->mactime = get_rx_desc_tsfl(pdesc); 331 if (phystatus) { 332 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + 333 stats->rx_bufshift); 334 rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc, 335 p_drvinfo); 336 } 337 /*rx_status->qual = stats->signal; */ 338 rx_status->signal = stats->recvsignalpower + 10; 339 return true; 340} 341 342#define RTL_RX_DRV_INFO_UNIT 8 343 344static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb) 345{ 346 struct ieee80211_rx_status *rx_status = 347 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb); 348 u32 skb_len, pkt_len, drvinfo_len; 349 struct rtl_priv *rtlpriv = rtl_priv(hw); 350 __le32 *rxdesc; 351 struct rtl_stats stats = { 352 .signal = 0, 353 .rate = 0, 354 }; 355 struct rx_fwinfo_92c *p_drvinfo; 356 bool bv; 357 __le16 fc; 358 struct ieee80211_hdr *hdr; 359 360 memset(rx_status, 0, sizeof(*rx_status)); 361 rxdesc = (__le32 *)skb->data; 362 skb_len = skb->len; 363 drvinfo_len = (get_rx_desc_drvinfo_size(rxdesc) * RTL_RX_DRV_INFO_UNIT); 364 pkt_len = get_rx_desc_pkt_len(rxdesc); 365 /* TODO: Error recovery. drop this skb or something. */ 366 WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len)); 367 stats.length = (u16)get_rx_desc_pkt_len(rxdesc); 368 stats.rx_drvinfo_size = (u8)get_rx_desc_drvinfo_size(rxdesc) * 369 RX_DRV_INFO_SIZE_UNIT; 370 stats.rx_bufshift = (u8)(get_rx_desc_shift(rxdesc) & 0x03); 371 stats.icv = (u16)get_rx_desc_icv(rxdesc); 372 stats.crc = (u16)get_rx_desc_crc32(rxdesc); 373 stats.hwerror = (stats.crc | stats.icv); 374 stats.decrypted = !get_rx_desc_swdec(rxdesc); 375 stats.rate = (u8)get_rx_desc_rx_mcs(rxdesc); 376 stats.shortpreamble = (u16)get_rx_desc_splcp(rxdesc); 377 stats.isampdu = (bool)((get_rx_desc_paggr(rxdesc) == 1) && 378 (get_rx_desc_faggr(rxdesc) == 1)); 379 stats.timestamp_low = get_rx_desc_tsfl(rxdesc); 380 stats.rx_is40mhzpacket = (bool)get_rx_desc_bw(rxdesc); 381 stats.is_ht = (bool)get_rx_desc_rx_ht(rxdesc); 382 /* TODO: is center_freq changed when doing scan? */ 383 /* TODO: Shall we add protection or just skip those two step? */ 384 rx_status->freq = hw->conf.chandef.chan->center_freq; 385 rx_status->band = hw->conf.chandef.chan->band; 386 if (get_rx_desc_crc32(rxdesc)) 387 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 388 if (!get_rx_desc_swdec(rxdesc)) 389 rx_status->flag |= RX_FLAG_DECRYPTED; 390 if (get_rx_desc_bw(rxdesc)) 391 rx_status->bw = RATE_INFO_BW_40; 392 if (get_rx_desc_rx_ht(rxdesc)) 393 rx_status->encoding = RX_ENC_HT; 394 /* Data rate */ 395 rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht, 396 false, stats.rate); 397 /* There is a phy status after this rx descriptor. */ 398 if (get_rx_desc_phy_status(rxdesc)) { 399 p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE); 400 rtl92c_translate_rx_signal_stuff(hw, skb, &stats, 401 (struct rx_desc_92c *)rxdesc, p_drvinfo); 402 } 403 skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE)); 404 hdr = rtl_get_hdr(skb); 405 fc = hdr->frame_control; 406 bv = ieee80211_is_probe_resp(fc); 407 if (bv) 408 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 409 "Got probe response frame\n"); 410 if (ieee80211_is_beacon(fc)) 411 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n"); 412 if (ieee80211_is_data(fc)) 413 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n"); 414 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 415 "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n", 416 fc, 417 (u32)hdr->addr1[0], (u32)hdr->addr1[1], 418 (u32)hdr->addr1[2], (u32)hdr->addr1[3], 419 (u32)hdr->addr1[4], (u32)hdr->addr1[5]); 420 ieee80211_rx(hw, skb); 421} 422 423void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb) 424{ 425 _rtl_rx_process(hw, skb); 426} 427 428/*---------------------------------------------------------------------- 429 * 430 * Tx handler 431 * 432 *---------------------------------------------------------------------- */ 433void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb) 434{ 435} 436 437int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb, 438 struct sk_buff *skb) 439{ 440 return 0; 441} 442 443struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw, 444 struct sk_buff_head *list) 445{ 446 return skb_dequeue(list); 447} 448 449/*======================================== trx ===============================*/ 450 451static void _rtl_fill_usb_tx_desc(__le32 *txdesc) 452{ 453 set_tx_desc_own(txdesc, 1); 454 set_tx_desc_last_seg(txdesc, 1); 455 set_tx_desc_first_seg(txdesc, 1); 456} 457 458/* 459 * For HW recovery information 460 */ 461static void _rtl_tx_desc_checksum(__le32 *txdesc) 462{ 463 __le16 *ptr = (__le16 *)txdesc; 464 u16 checksum = 0; 465 u32 index; 466 467 /* Clear first */ 468 set_tx_desc_tx_desc_checksum(txdesc, 0); 469 for (index = 0; index < 16; index++) 470 checksum = checksum ^ le16_to_cpu(*(ptr + index)); 471 set_tx_desc_tx_desc_checksum(txdesc, checksum); 472} 473 474void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, 475 struct ieee80211_hdr *hdr, u8 *pdesc_tx, 476 u8 *pbd_desc_tx, struct ieee80211_tx_info *info, 477 struct ieee80211_sta *sta, 478 struct sk_buff *skb, 479 u8 queue_index, 480 struct rtl_tcb_desc *tcb_desc) 481{ 482 struct rtl_priv *rtlpriv = rtl_priv(hw); 483 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 484 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 485 struct rtl_sta_info *sta_entry; 486 u8 agg_state = RTL_AGG_STOP; 487 u8 ampdu_density = 0; 488 u16 seq_number; 489 __le16 fc = hdr->frame_control; 490 u8 rate_flag = info->control.rates[0].flags; 491 u16 pktlen = skb->len; 492 enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc, 493 skb_get_queue_mapping(skb)); 494 u8 *txdesc8; 495 __le32 *txdesc; 496 u8 tid; 497 498 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 499 rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); 500 txdesc8 = skb_push(skb, RTL_TX_HEADER_SIZE); 501 txdesc = (__le32 *)txdesc8; 502 memset(txdesc, 0, RTL_TX_HEADER_SIZE); 503 set_tx_desc_pkt_size(txdesc, pktlen); 504 set_tx_desc_linip(txdesc, 0); 505 set_tx_desc_pkt_offset(txdesc, RTL_DUMMY_OFFSET); 506 set_tx_desc_offset(txdesc, RTL_TX_HEADER_SIZE); 507 set_tx_desc_tx_rate(txdesc, tcb_desc->hw_rate); 508 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) 509 set_tx_desc_data_shortgi(txdesc, 1); 510 511 if (sta) { 512 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 513 tid = ieee80211_get_tid(hdr); 514 agg_state = sta_entry->tids[tid].agg.agg_state; 515 ampdu_density = sta->deflink.ht_cap.ampdu_density; 516 } 517 518 if (agg_state == RTL_AGG_OPERATIONAL && 519 info->flags & IEEE80211_TX_CTL_AMPDU) { 520 set_tx_desc_agg_enable(txdesc, 1); 521 set_tx_desc_max_agg_num(txdesc, 0x14); 522 set_tx_desc_ampdu_density(txdesc, ampdu_density); 523 tcb_desc->rts_enable = 1; 524 tcb_desc->rts_rate = DESC_RATE24M; 525 } else { 526 set_tx_desc_agg_break(txdesc, 1); 527 } 528 set_tx_desc_seq(txdesc, seq_number); 529 set_tx_desc_rts_enable(txdesc, 530 ((tcb_desc->rts_enable && 531 !tcb_desc->cts_enable) ? 1 : 0)); 532 set_tx_desc_hw_rts_enable(txdesc, 533 ((tcb_desc->rts_enable || 534 tcb_desc->cts_enable) ? 1 : 0)); 535 set_tx_desc_cts2self(txdesc, ((tcb_desc->cts_enable) ? 1 : 0)); 536 set_tx_desc_rts_stbc(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); 537 set_tx_desc_rts_rate(txdesc, tcb_desc->rts_rate); 538 set_tx_desc_rts_bw(txdesc, 0); 539 set_tx_desc_rts_sc(txdesc, tcb_desc->rts_sc); 540 set_tx_desc_rts_short(txdesc, 541 ((tcb_desc->rts_rate <= DESC_RATE54M) ? 542 (tcb_desc->rts_use_shortpreamble ? 1 : 0) 543 : (tcb_desc->rts_use_shortgi ? 1 : 0))); 544 if (mac->bw_40) { 545 if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { 546 set_tx_desc_data_bw(txdesc, 1); 547 set_tx_desc_data_sc(txdesc, 3); 548 } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ 549 set_tx_desc_data_bw(txdesc, 1); 550 set_tx_desc_data_sc(txdesc, mac->cur_40_prime_sc); 551 } else { 552 set_tx_desc_data_bw(txdesc, 0); 553 set_tx_desc_data_sc(txdesc, 0); 554 } 555 } else { 556 set_tx_desc_data_bw(txdesc, 0); 557 set_tx_desc_data_sc(txdesc, 0); 558 } 559 if (info->control.hw_key) { 560 struct ieee80211_key_conf *keyconf = info->control.hw_key; 561 562 switch (keyconf->cipher) { 563 case WLAN_CIPHER_SUITE_WEP40: 564 case WLAN_CIPHER_SUITE_WEP104: 565 case WLAN_CIPHER_SUITE_TKIP: 566 set_tx_desc_sec_type(txdesc, 0x1); 567 break; 568 case WLAN_CIPHER_SUITE_CCMP: 569 set_tx_desc_sec_type(txdesc, 0x3); 570 break; 571 default: 572 set_tx_desc_sec_type(txdesc, 0x0); 573 break; 574 } 575 } 576 set_tx_desc_pkt_id(txdesc, 0); 577 set_tx_desc_queue_sel(txdesc, fw_qsel); 578 set_tx_desc_data_rate_fb_limit(txdesc, 0x1F); 579 set_tx_desc_rts_rate_fb_limit(txdesc, 0xF); 580 set_tx_desc_disable_fb(txdesc, 0); 581 set_tx_desc_use_rate(txdesc, tcb_desc->use_driver_rate ? 1 : 0); 582 if (ieee80211_is_data_qos(fc)) { 583 if (mac->rdg_en) { 584 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, 585 "Enable RDG function\n"); 586 set_tx_desc_rdg_enable(txdesc, 1); 587 set_tx_desc_htc(txdesc, 1); 588 } 589 } 590 if (rtlpriv->dm.useramask) { 591 set_tx_desc_rate_id(txdesc, tcb_desc->ratr_index); 592 set_tx_desc_macid(txdesc, tcb_desc->mac_id); 593 } else { 594 set_tx_desc_rate_id(txdesc, 0xC + tcb_desc->ratr_index); 595 set_tx_desc_macid(txdesc, tcb_desc->ratr_index); 596 } 597 if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps && 598 ppsc->fwctrl_lps) { 599 set_tx_desc_hwseq_en(txdesc, 1); 600 set_tx_desc_pkt_id(txdesc, 8); 601 } 602 if (ieee80211_has_morefrags(fc)) 603 set_tx_desc_more_frag(txdesc, 1); 604 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 605 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 606 set_tx_desc_bmc(txdesc, 1); 607 _rtl_fill_usb_tx_desc(txdesc); 608 _rtl_tx_desc_checksum(txdesc); 609 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n"); 610} 611 612void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8, 613 struct sk_buff *skb) 614{ 615 struct rtl_priv *rtlpriv = rtl_priv(hw); 616 u8 fw_queue = QSLT_BEACON; 617 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 618 __le16 fc = hdr->frame_control; 619 __le32 *pdesc = (__le32 *)pdesc8; 620 621 memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE); 622 set_tx_desc_offset(pdesc, RTL_TX_HEADER_SIZE); 623 set_tx_desc_tx_rate(pdesc, DESC_RATE1M); 624 set_tx_desc_seq(pdesc, 0); 625 set_tx_desc_linip(pdesc, 0); 626 set_tx_desc_queue_sel(pdesc, fw_queue); 627 set_tx_desc_first_seg(pdesc, 1); 628 set_tx_desc_last_seg(pdesc, 1); 629 set_tx_desc_rate_id(pdesc, 7); 630 set_tx_desc_macid(pdesc, 0); 631 set_tx_desc_own(pdesc, 1); 632 set_tx_desc_pkt_size(pdesc, (u16)skb->len); 633 set_tx_desc_first_seg(pdesc, 1); 634 set_tx_desc_last_seg(pdesc, 1); 635 set_tx_desc_offset(pdesc, 0x20); 636 set_tx_desc_use_rate(pdesc, 1); 637 if (!ieee80211_is_data_qos(fc)) { 638 set_tx_desc_hwseq_en(pdesc, 1); 639 set_tx_desc_pkt_id(pdesc, 8); 640 } 641 RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content", 642 pdesc, RTL_TX_DESC_SIZE); 643} 644