kernel/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  *
   4  * This program is distributed in the hope that it will be useful, but WITHOUT
   5  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   6  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   7  * more details.
   8  *
   9  * You should have received a copy of the GNU General Public License along with
  10  * this program; if not, write to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  12  *
  13  * The full GNU General Public License is included in this distribution in the
  14  * file called LICENSE.
  15  *
  16  * Contact Information:
  17  * wlanfae <wlanfae@realtek.com>
  18 ******************************************************************************/
  19
  20 #include "rtl_core.h"
  21 #include "r8192E_hw.h"
  22 #include "r8192E_cmdpkt.h"
  23
  24 bool cmpk_message_handle_tx(
  25         struct net_device *dev,
  26         u8      *code_virtual_address,
  27         u32     packettype,
  28         u32     buffer_len)
  29 {
  30
  31         bool                            rt_status = true;
  32         struct r8192_priv *priv = rtllib_priv(dev);
  33         u16                             frag_threshold;
  34         u16                             frag_length = 0, frag_offset = 0;
  35         struct rt_firmware *pfirmware = priv->pFirmware;
  36         struct sk_buff          *skb;
  37         unsigned char           *seg_ptr;
  38         struct cb_desc *tcb_desc;
  39         u8                              bLastIniPkt;
  40
  41         struct tx_fwinfo_8190pci *pTxFwInfo = NULL;
  42
  43         RT_TRACE(COMP_CMDPKT, "%s(),buffer_len is %d\n", __func__, buffer_len);
  44         firmware_init_param(dev);
  45         frag_threshold = pfirmware->cmdpacket_frag_thresold;
  46
  47         do {
  48                 if ((buffer_len - frag_offset) > frag_threshold) {
  49                         frag_length = frag_threshold;
  50                         bLastIniPkt = 0;
  51
  52                 } else {
  53                         frag_length = (u16)(buffer_len - frag_offset);
  54                         bLastIniPkt = 1;
  55                 }
  56
  57                 skb  = dev_alloc_skb(frag_length +
  58                                      priv->rtllib->tx_headroom + 4);
  59
  60                 if (skb == NULL) {
  61                         rt_status = false;
  62                         goto Failed;
  63                 }
  64
  65                 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
  66                 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
  67                 tcb_desc->queue_index = TXCMD_QUEUE;
  68                 tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
  69                 tcb_desc->bLastIniPkt = bLastIniPkt;
  70                 tcb_desc->pkt_size = frag_length;
  71
  72                 seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
  73                 pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
  74                 memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
  75                 memset(pTxFwInfo, 0x12, 8);
  76
  77                 seg_ptr = skb_put(skb, frag_length);
  78                 memcpy(seg_ptr, code_virtual_address, (u32)frag_length);
  79
  80                 priv->rtllib->softmac_hard_start_xmit(skb, dev);
  81
  82                 code_virtual_address += frag_length;
  83                 frag_offset += frag_length;
  84
  85         } while (frag_offset < buffer_len);
  86
  87         write_nic_byte(dev, TPPoll, TPPoll_CQ);
  88 Failed:
  89         return rt_status;
  90 }
  91
  92 static  void
  93 cmpk_count_txstatistic(
  94         struct net_device *dev,
  95         struct cmpk_txfb *pstx_fb)
  96 {
  97         struct r8192_priv *priv = rtllib_priv(dev);
  98 #ifdef ENABLE_PS
  99         enum rt_rf_power_state rtState;
 100
 101         pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
 102                                           (pu1Byte)(&rtState));
 103
 104         if (rtState == eRfOff)
 105                 return;
 106 #endif
 107
 108         if (pstx_fb->tok) {
 109                 priv->stats.txfeedbackok++;
 110                 priv->stats.txoktotal++;
 111                 priv->stats.txokbytestotal += pstx_fb->pkt_length;
 112                 priv->stats.txokinperiod++;
 113
 114                 if (pstx_fb->pkt_type == PACKET_MULTICAST) {
 115                         priv->stats.txmulticast++;
 116                         priv->stats.txbytesmulticast += pstx_fb->pkt_length;
 117                 } else if (pstx_fb->pkt_type == PACKET_BROADCAST) {
 118                         priv->stats.txbroadcast++;
 119                         priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
 120                 } else {
 121                         priv->stats.txunicast++;
 122                         priv->stats.txbytesunicast += pstx_fb->pkt_length;
 123                 }
 124         } else {
 125                 priv->stats.txfeedbackfail++;
 126                 priv->stats.txerrtotal++;
 127                 priv->stats.txerrbytestotal += pstx_fb->pkt_length;
 128
 129                 if (pstx_fb->pkt_type == PACKET_MULTICAST)
 130                         priv->stats.txerrmulticast++;
 131                 else if (pstx_fb->pkt_type == PACKET_BROADCAST)
 132                         priv->stats.txerrbroadcast++;
 133                 else
 134                         priv->stats.txerrunicast++;
 135         }
 136
 137         priv->stats.txretrycount += pstx_fb->retry_cnt;
 138         priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
 139 }
 140
 141 static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
 142 {
 143         struct r8192_priv *priv = rtllib_priv(dev);
 144         struct cmpk_txfb rx_tx_fb;
 145
 146         priv->stats.txfeedback++;
 147
 148
 149         memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmpk_txfb));
 150         cmpk_count_txstatistic(dev, &rx_tx_fb);
 151 }
 152
 153 static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
 154 {
 155         struct r8192_priv *priv = rtllib_priv(dev);
 156
 157         if ((priv->rtllib->current_network.mode == IEEE_A)  ||
 158             (priv->rtllib->current_network.mode == IEEE_N_5G) ||
 159             ((priv->rtllib->current_network.mode == IEEE_N_24G)  &&
 160             (!priv->rtllib->pHTInfo->bCurSuppCCK)))
 161                 DMESG("send beacon frame  tx rate is 6Mbpm\n");
 162         else
 163                 DMESG("send beacon frame  tx rate is 1Mbpm\n");
 164 }
 165
 166 static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
 167 {
 168         struct cmpk_intr_sta rx_intr_status;
 169         struct r8192_priv *priv = rtllib_priv(dev);
 170
 171         DMESG("---> cmpk_Handle_Interrupt_Status()\n");
 172
 173         rx_intr_status.length = pmsg[1];
 174         if (rx_intr_status.length != (sizeof(struct cmpk_intr_sta) - 2)) {
 175                 DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
 176                 return;
 177         }
 178
 179         if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
 180                 rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
 181
 182                 DMESG("interrupt status = 0x%x\n",
 183                       rx_intr_status.interrupt_status);
 184
 185                 if (rx_intr_status.interrupt_status & ISR_TxBcnOk) {
 186                         priv->rtllib->bibsscoordinator = true;
 187                         priv->stats.txbeaconokint++;
 188                 } else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) {
 189                         priv->rtllib->bibsscoordinator = false;
 190                         priv->stats.txbeaconerr++;
 191                 }
 192
 193                 if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
 194                         cmdpkt_beacontimerinterrupt_819xusb(dev);
 195         }
 196
 197         DMESG("<---- cmpk_handle_interrupt_status()\n");
 198
 199 }
 200
 201 static  void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg)
 202 {
 203         cmpk_query_cfg_t        rx_query_cfg;
 204
 205
 206         rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000)>>31;
 207         rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5;
 208         rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3;
 209         rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0;
 210         rx_query_cfg.cfg_offset  = pmsg[7];
 211         rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) |
 212                              (pmsg[10] << 8) | (pmsg[11] << 0);
 213         rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) |
 214                             (pmsg[14] << 8) | (pmsg[15] << 0);
 215
 216 }
 217
 218 static void cmpk_count_tx_status(struct net_device *dev,
 219                                  struct cmpk_tx_status *pstx_status)
 220 {
 221         struct r8192_priv *priv = rtllib_priv(dev);
 222
 223 #ifdef ENABLE_PS
 224
 225         enum rt_rf_power_state rtstate;
 226
 227         pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
 228                                           (pu1Byte)(&rtState));
 229
 230         if (rtState == eRfOff)
 231                 return;
 232 #endif
 233
 234         priv->stats.txfeedbackok        += pstx_status->txok;
 235         priv->stats.txoktotal           += pstx_status->txok;
 236
 237         priv->stats.txfeedbackfail      += pstx_status->txfail;
 238         priv->stats.txerrtotal          += pstx_status->txfail;
 239
 240         priv->stats.txretrycount                += pstx_status->txretry;
 241         priv->stats.txfeedbackretry     += pstx_status->txretry;
 242
 243
 244         priv->stats.txmulticast += pstx_status->txmcok;
 245         priv->stats.txbroadcast += pstx_status->txbcok;
 246         priv->stats.txunicast           += pstx_status->txucok;
 247
 248         priv->stats.txerrmulticast      += pstx_status->txmcfail;
 249         priv->stats.txerrbroadcast      += pstx_status->txbcfail;
 250         priv->stats.txerrunicast        += pstx_status->txucfail;
 251
 252         priv->stats.txbytesmulticast    += pstx_status->txmclength;
 253         priv->stats.txbytesbroadcast    += pstx_status->txbclength;
 254         priv->stats.txbytesunicast              += pstx_status->txuclength;
 255
 256         priv->stats.last_packet_rate            = pstx_status->rate;
 257 }
 258
 259 static  void cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
 260 {
 261         struct cmpk_tx_status rx_tx_sts;
 262
 263         memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(struct cmpk_tx_status));
 264         cmpk_count_tx_status(dev, &rx_tx_sts);
 265 }
 266
 267 static  void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
 268 {
 269         struct cmpk_tx_rahis *ptxrate;
 270         u8 i, j;
 271         u16                             length = sizeof(struct cmpk_tx_rahis);
 272         u32 *ptemp;
 273         struct r8192_priv *priv = rtllib_priv(dev);
 274
 275 #ifdef ENABLE_PS
 276         pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
 277                                          (pu1Byte)(&rtState));
 278
 279         if (rtState == eRfOff)
 280                 return;
 281 #endif
 282
 283         ptemp = (u32 *)pmsg;
 284
 285         for (i = 0; i < (length / 4); i++) {
 286                 u16      temp1, temp2;
 287
 288                 temp1 = ptemp[i] & 0x0000FFFF;
 289                 temp2 = ptemp[i] >> 16;
 290                 ptemp[i] = (temp1 << 16) | temp2;
 291         }
 292
 293         ptxrate = (struct cmpk_tx_rahis *)pmsg;
 294
 295         if (ptxrate == NULL)
 296                 return;
 297
 298         for (i = 0; i < 16; i++) {
 299                 if (i < 4)
 300                         priv->stats.txrate.cck[i] += ptxrate->cck[i];
 301
 302                 if (i < 8)
 303                         priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
 304
 305                 for (j = 0; j < 4; j++)
 306                         priv->stats.txrate.ht_mcs[j][i] +=
 307                                                          ptxrate->ht_mcs[j][i];
 308         }
 309 }
 310
 311 u32 cmpk_message_handle_rx(struct net_device *dev,
 312                            struct rtllib_rx_stats *pstats)
 313 {
 314         int                     total_length;
 315         u8                      cmd_length, exe_cnt = 0;
 316         u8                      element_id;
 317         u8                      *pcmd_buff;
 318
 319         RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx()\n");
 320
 321         if (pstats == NULL)
 322                 return 0;
 323
 324         total_length = pstats->Length;
 325
 326         pcmd_buff = pstats->virtual_address;
 327
 328         element_id = pcmd_buff[0];
 329
 330         while (total_length > 0 || exe_cnt++ > 100) {
 331                 element_id = pcmd_buff[0];
 332
 333                 switch (element_id) {
 334                 case RX_TX_FEEDBACK:
 335                         RT_TRACE(COMP_CMDPKT,
 336                                  "---->cmpk_message_handle_rx():RX_TX_FEEDBACK\n");
 337                         cmpk_handle_tx_feedback(dev, pcmd_buff);
 338                         cmd_length = CMPK_RX_TX_FB_SIZE;
 339                         break;
 340                 case RX_INTERRUPT_STATUS:
 341                         RT_TRACE(COMP_CMDPKT,
 342                                  "---->cmpk_message_handle_rx():RX_INTERRUPT_STATUS\n");
 343                         cmpk_handle_interrupt_status(dev, pcmd_buff);
 344                         cmd_length = sizeof(struct cmpk_intr_sta);
 345                         break;
 346                 case BOTH_QUERY_CONFIG:
 347                         RT_TRACE(COMP_CMDPKT,
 348                                  "---->cmpk_message_handle_rx():BOTH_QUERY_CONFIG\n");
 349                         cmpk_handle_query_config_rx(dev, pcmd_buff);
 350                         cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
 351                         break;
 352                 case RX_TX_STATUS:
 353                         RT_TRACE(COMP_CMDPKT,
 354                                  "---->cmpk_message_handle_rx():RX_TX_STATUS\n");
 355                         cmpk_handle_tx_status(dev, pcmd_buff);
 356                         cmd_length = CMPK_RX_TX_STS_SIZE;
 357                         break;
 358                 case RX_TX_PER_PKT_FEEDBACK:
 359                         RT_TRACE(COMP_CMDPKT,
 360                                  "---->cmpk_message_handle_rx():RX_TX_PER_PKT_FEEDBACK\n");
 361                         cmd_length = CMPK_RX_TX_FB_SIZE;
 362                         break;
 363                 case RX_TX_RATE_HISTORY:
 364                         RT_TRACE(COMP_CMDPKT,
 365                                  "---->cmpk_message_handle_rx():RX_TX_HISTORY\n");
 366                         cmpk_handle_tx_rate_history(dev, pcmd_buff);
 367                         cmd_length = CMPK_TX_RAHIS_SIZE;
 368                         break;
 369                 default:
 370
 371                         RT_TRACE(COMP_CMDPKT,
 372                                  "---->cmpk_message_handle_rx():unknown CMD Element\n");
 373                         return 1;
 374                 }
 375
 376                 total_length -= cmd_length;
 377                 pcmd_buff    += cmd_length;
 378         }
 379         return  1;
 380 }