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path: root/drivers/staging/rtl8192u/r819xU_cmdpkt.c
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Diffstat (limited to 'drivers/staging/rtl8192u/r819xU_cmdpkt.c')
-rw-r--r--drivers/staging/rtl8192u/r819xU_cmdpkt.c791
1 files changed, 791 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
new file mode 100644
index 000000000000..fd19a85297a9
--- /dev/null
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
@@ -0,0 +1,791 @@
+/******************************************************************************
+
+ (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved.
+
+ Module: r819xusb_cmdpkt.c (RTL8190 TX/RX command packet handler Source C File)
+
+ Note: The module is responsible for handling TX and RX command packet.
+ 1. TX : Send set and query configuration command packet.
+ 2. RX : Receive tx feedback, beacon state, query configuration
+ command packet.
+
+ Function:
+
+ Export:
+
+ Abbrev:
+
+ History:
+ Data Who Remark
+
+ 05/06/2008 amy Create initial version porting from windows driver.
+
+******************************************************************************/
+#include "r8192U.h"
+#include "r819xU_cmdpkt.h"
+/*---------------------------Define Local Constant---------------------------*/
+/* Debug constant*/
+#define CMPK_DEBOUNCE_CNT 1
+/* 2007/10/24 MH Add for printing a range of data. */
+#define CMPK_PRINT(Address)\
+{\
+ unsigned char i;\
+ u32 temp[10];\
+ \
+ memcpy(temp, Address, 40);\
+ for (i = 0; i <40; i+=4)\
+ printk("\r\n %08x", temp[i]);\
+}\
+/*---------------------------Define functions---------------------------------*/
+
+rt_status
+SendTxCommandPacket(
+ struct net_device *dev,
+ void* pData,
+ u32 DataLen
+ )
+{
+ rt_status rtStatus = RT_STATUS_SUCCESS;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ struct sk_buff *skb;
+ cb_desc *tcb_desc;
+ unsigned char *ptr_buf;
+ //bool bLastInitPacket = false;
+
+ //PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK);
+
+ //Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
+ skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
+ memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+ tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
+ tcb_desc->queue_index = TXCMD_QUEUE;
+ tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
+ tcb_desc->bLastIniPkt = 0;
+ skb_reserve(skb, USB_HWDESC_HEADER_LEN);
+ ptr_buf = skb_put(skb, DataLen);
+ memset(ptr_buf,0,DataLen);
+ memcpy(ptr_buf,pData,DataLen);
+ tcb_desc->txbuf_size= (u16)DataLen;
+
+ if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
+ (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
+ (priv->ieee80211->queue_stop) ) {
+ RT_TRACE(COMP_FIRMWARE,"===================NULL packet==================================> tx full!\n");
+ skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
+ } else {
+ priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+ }
+
+ //PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
+ return rtStatus;
+}
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_message_handle_tx()
+ *
+ * Overview: Driver internal module can call the API to send message to
+ * firmware side. For example, you can send a debug command packet.
+ * Or you can send a request for FW to modify RLX4181 LBUS HW bank.
+ * Otherwise, you can change MAC/PHT/RF register by firmware at
+ * run time. We do not support message more than one segment now.
+ *
+ * Input: NONE
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/06/2008 amy porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+ extern rt_status cmpk_message_handle_tx(
+ struct net_device *dev,
+ u8* codevirtualaddress,
+ u32 packettype,
+ u32 buffer_len)
+{
+
+ bool rt_status = true;
+#ifdef RTL8192U
+ return rt_status;
+#else
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u16 frag_threshold;
+ u16 frag_length, frag_offset = 0;
+ //u16 total_size;
+ //int i;
+
+ rt_firmware *pfirmware = priv->pFirmware;
+ struct sk_buff *skb;
+ unsigned char *seg_ptr;
+ cb_desc *tcb_desc;
+ u8 bLastIniPkt;
+
+ firmware_init_param(dev);
+ //Fragmentation might be required
+ frag_threshold = pfirmware->cmdpacket_frag_thresold;
+ do {
+ if((buffer_len - frag_offset) > frag_threshold) {
+ frag_length = frag_threshold ;
+ bLastIniPkt = 0;
+
+ } else {
+ frag_length = buffer_len - frag_offset;
+ bLastIniPkt = 1;
+
+ }
+
+ /* Allocate skb buffer to contain firmware info and tx descriptor info
+ * add 4 to avoid packet appending overflow.
+ * */
+ #ifdef RTL8192U
+ skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
+ #else
+ skb = dev_alloc_skb(frag_length + 4);
+ #endif
+ memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+ tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
+ tcb_desc->queue_index = TXCMD_QUEUE;
+ tcb_desc->bCmdOrInit = packettype;
+ tcb_desc->bLastIniPkt = bLastIniPkt;
+
+ #ifdef RTL8192U
+ skb_reserve(skb, USB_HWDESC_HEADER_LEN);
+ #endif
+
+ seg_ptr = skb_put(skb, buffer_len);
+ /*
+ * Transform from little endian to big endian
+ * and pending zero
+ */
+ memcpy(seg_ptr,codevirtualaddress,buffer_len);
+ tcb_desc->txbuf_size= (u16)buffer_len;
+
+
+ if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
+ (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
+ (priv->ieee80211->queue_stop) ) {
+ RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n");
+ skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
+ } else {
+ priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+ }
+
+ codevirtualaddress += frag_length;
+ frag_offset += frag_length;
+
+ }while(frag_offset < buffer_len);
+
+ return rt_status;
+
+
+#endif
+} /* CMPK_Message_Handle_Tx */
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_counttxstatistic()
+ *
+ * Overview:
+ *
+ * Input: PADAPTER pAdapter - .
+ * CMPK_TXFB_T *psTx_FB - .
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_count_txstatistic(
+ struct net_device *dev,
+ cmpk_txfb_t *pstx_fb)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+#ifdef ENABLE_PS
+ RT_RF_POWER_STATE rtState;
+
+ pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
+
+ // When RF is off, we should not count the packet for hw/sw synchronize
+ // reason, ie. there may be a duration while sw switch is changed and hw
+ // switch is being changed. 2006.12.04, by shien chang.
+ if (rtState == eRfOff)
+ {
+ return;
+ }
+#endif
+
+#ifdef TODO
+ if(pAdapter->bInHctTest)
+ return;
+#endif
+ /* We can not know the packet length and transmit type: broadcast or uni
+ or multicast. So the relative statistics must be collected in tx
+ feedback info. */
+ if (pstx_fb->tok)
+ {
+ priv->stats.txfeedbackok++;
+ priv->stats.txoktotal++;
+ priv->stats.txokbytestotal += pstx_fb->pkt_length;
+ priv->stats.txokinperiod++;
+
+ /* We can not make sure broadcast/multicast or unicast mode. */
+ if (pstx_fb->pkt_type == PACKET_MULTICAST)
+ {
+ priv->stats.txmulticast++;
+ priv->stats.txbytesmulticast += pstx_fb->pkt_length;
+ }
+ else if (pstx_fb->pkt_type == PACKET_BROADCAST)
+ {
+ priv->stats.txbroadcast++;
+ priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
+ }
+ else
+ {
+ priv->stats.txunicast++;
+ priv->stats.txbytesunicast += pstx_fb->pkt_length;
+ }
+ }
+ else
+ {
+ priv->stats.txfeedbackfail++;
+ priv->stats.txerrtotal++;
+ priv->stats.txerrbytestotal += pstx_fb->pkt_length;
+
+ /* We can not make sure broadcast/multicast or unicast mode. */
+ if (pstx_fb->pkt_type == PACKET_MULTICAST)
+ {
+ priv->stats.txerrmulticast++;
+ }
+ else if (pstx_fb->pkt_type == PACKET_BROADCAST)
+ {
+ priv->stats.txerrbroadcast++;
+ }
+ else
+ {
+ priv->stats.txerrunicast++;
+ }
+ }
+
+ priv->stats.txretrycount += pstx_fb->retry_cnt;
+ priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
+
+} /* cmpk_CountTxStatistic */
+
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_handle_tx_feedback()
+ *
+ * Overview: The function is responsible for extract the message inside TX
+ * feedbck message from firmware. It will contain dedicated info in
+ * ws-06-0063-rtl8190-command-packet-specification. Please
+ * refer to chapter "TX Feedback Element". We have to read 20 bytes
+ * in the command packet.
+ *
+ * Input: struct net_device * dev
+ * u8 * pmsg - Msg Ptr of the command packet.
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/08/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_handle_tx_feedback(
+ struct net_device *dev,
+ u8 * pmsg)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ cmpk_txfb_t rx_tx_fb; /* */
+
+ priv->stats.txfeedback++;
+
+ /* 0. Display received message. */
+ //cmpk_Display_Message(CMPK_RX_TX_FB_SIZE, pMsg);
+
+ /* 1. Extract TX feedback info from RFD to temp structure buffer. */
+ /* It seems that FW use big endian(MIPS) and DRV use little endian in
+ windows OS. So we have to read the content byte by byte or transfer
+ endian type before copy the message copy. */
+ /* 2007/07/05 MH Use pointer to transfer structure memory. */
+ //memcpy((UINT8 *)&rx_tx_fb, pMsg, sizeof(CMPK_TXFB_T));
+ memcpy((u8*)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t));
+ /* 2. Use tx feedback info to count TX statistics. */
+ cmpk_count_txstatistic(dev, &rx_tx_fb);
+ /* 2007/01/17 MH Comment previous method for TX statistic function. */
+ /* Collect info TX feedback packet to fill TCB. */
+ /* We can not know the packet length and transmit type: broadcast or uni
+ or multicast. */
+ //CountTxStatistics( pAdapter, &tcb );
+
+} /* cmpk_Handle_Tx_Feedback */
+
+void
+cmdpkt_beacontimerinterrupt_819xusb(
+ struct net_device *dev
+)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ u16 tx_rate;
+ {
+ //
+ // 070117, rcnjko: 87B have to S/W beacon for DTM encryption_cmn.
+ //
+ if(priv->ieee80211->current_network.mode == IEEE_A ||
+ priv->ieee80211->current_network.mode == IEEE_N_5G ||
+ (priv->ieee80211->current_network.mode == IEEE_N_24G && (!priv->ieee80211->pHTInfo->bCurSuppCCK)))
+ {
+ tx_rate = 60;
+ DMESG("send beacon frame tx rate is 6Mbpm\n");
+ }
+ else
+ {
+ tx_rate =10;
+ DMESG("send beacon frame tx rate is 1Mbpm\n");
+ }
+
+ rtl819xusb_beacon_tx(dev,tx_rate); // HW Beacon
+
+ }
+
+}
+
+
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_handle_interrupt_status()
+ *
+ * Overview: The function is responsible for extract the message from
+ * firmware. It will contain dedicated info in
+ * ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc.
+ * Please refer to chapter "Interrupt Status Element".
+ *
+ * Input: struct net_device *dev,
+ * u8* pmsg - Message Pointer of the command packet.
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Add this for rtl8192 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_handle_interrupt_status(
+ struct net_device *dev,
+ u8* pmsg)
+{
+ cmpk_intr_sta_t rx_intr_status; /* */
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+ DMESG("---> cmpk_Handle_Interrupt_Status()\n");
+
+ /* 0. Display received message. */
+ //cmpk_Display_Message(CMPK_RX_BEACON_STATE_SIZE, pMsg);
+
+ /* 1. Extract TX feedback info from RFD to temp structure buffer. */
+ /* It seems that FW use big endian(MIPS) and DRV use little endian in
+ windows OS. So we have to read the content byte by byte or transfer
+ endian type before copy the message copy. */
+ //rx_bcn_state.Element_ID = pMsg[0];
+ //rx_bcn_state.Length = pMsg[1];
+ rx_intr_status.length = pmsg[1];
+ if (rx_intr_status.length != (sizeof(cmpk_intr_sta_t) - 2))
+ {
+ DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
+ return;
+ }
+
+
+ // Statistics of beacon for ad-hoc mode.
+ if( priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+ {
+ //2 maybe need endian transform?
+ rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
+ //rx_intr_status.InterruptStatus = N2H4BYTE(*((UINT32 *)(pMsg + 4)));
+
+ DMESG("interrupt status = 0x%x\n", rx_intr_status.interrupt_status);
+
+ if (rx_intr_status.interrupt_status & ISR_TxBcnOk)
+ {
+ priv->ieee80211->bibsscoordinator = true;
+ priv->stats.txbeaconokint++;
+ }
+ else if (rx_intr_status.interrupt_status & ISR_TxBcnErr)
+ {
+ priv->ieee80211->bibsscoordinator = false;
+ priv->stats.txbeaconerr++;
+ }
+
+ if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
+ {
+ cmdpkt_beacontimerinterrupt_819xusb(dev);
+ }
+
+ }
+
+ // Other informations in interrupt status we need?
+
+
+ DMESG("<---- cmpk_handle_interrupt_status()\n");
+
+} /* cmpk_handle_interrupt_status */
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_handle_query_config_rx()
+ *
+ * Overview: The function is responsible for extract the message from
+ * firmware. It will contain dedicated info in
+ * ws-06-0063-rtl8190-command-packet-specification. Please
+ * refer to chapter "Beacon State Element".
+ *
+ * Input: u8 * pmsg - Message Pointer of the command packet.
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_handle_query_config_rx(
+ struct net_device *dev,
+ u8* pmsg)
+{
+ cmpk_query_cfg_t rx_query_cfg; /* */
+
+ /* 0. Display received message. */
+ //cmpk_Display_Message(CMPK_RX_BEACON_STATE_SIZE, pMsg);
+
+ /* 1. Extract TX feedback info from RFD to temp structure buffer. */
+ /* It seems that FW use big endian(MIPS) and DRV use little endian in
+ windows OS. So we have to read the content byte by byte or transfer
+ endian type before copy the message copy. */
+ //rx_query_cfg.Element_ID = pMsg[0];
+ //rx_query_cfg.Length = pMsg[1];
+ rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000)>>31;
+ rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5;
+ rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3;
+ rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0;
+ rx_query_cfg.cfg_offset = pmsg[7];
+ rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) |
+ (pmsg[10] << 8) | (pmsg[11] << 0);
+ rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) |
+ (pmsg[14] << 8) | (pmsg[15] << 0);
+
+} /* cmpk_Handle_Query_Config_Rx */
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_count_tx_status()
+ *
+ * Overview: Count aggregated tx status from firmwar of one type rx command
+ * packet element id = RX_TX_STATUS.
+ *
+ * Input: NONE
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void cmpk_count_tx_status( struct net_device *dev,
+ cmpk_tx_status_t *pstx_status)
+{
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+#ifdef ENABLE_PS
+
+ RT_RF_POWER_STATE rtstate;
+
+ pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
+
+ // When RF is off, we should not count the packet for hw/sw synchronize
+ // reason, ie. there may be a duration while sw switch is changed and hw
+ // switch is being changed. 2006.12.04, by shien chang.
+ if (rtState == eRfOff)
+ {
+ return;
+ }
+#endif
+
+ priv->stats.txfeedbackok += pstx_status->txok;
+ priv->stats.txoktotal += pstx_status->txok;
+
+ priv->stats.txfeedbackfail += pstx_status->txfail;
+ priv->stats.txerrtotal += pstx_status->txfail;
+
+ priv->stats.txretrycount += pstx_status->txretry;
+ priv->stats.txfeedbackretry += pstx_status->txretry;
+
+ //pAdapter->TxStats.NumTxOkBytesTotal += psTx_FB->pkt_length;
+ //pAdapter->TxStats.NumTxErrBytesTotal += psTx_FB->pkt_length;
+ //pAdapter->MgntInfo.LinkDetectInfo.NumTxOkInPeriod++;
+
+ priv->stats.txmulticast += pstx_status->txmcok;
+ priv->stats.txbroadcast += pstx_status->txbcok;
+ priv->stats.txunicast += pstx_status->txucok;
+
+ priv->stats.txerrmulticast += pstx_status->txmcfail;
+ priv->stats.txerrbroadcast += pstx_status->txbcfail;
+ priv->stats.txerrunicast += pstx_status->txucfail;
+
+ priv->stats.txbytesmulticast += pstx_status->txmclength;
+ priv->stats.txbytesbroadcast += pstx_status->txbclength;
+ priv->stats.txbytesunicast += pstx_status->txuclength;
+
+ priv->stats.last_packet_rate = pstx_status->rate;
+} /* cmpk_CountTxStatus */
+
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_handle_tx_status()
+ *
+ * Overview: Firmware add a new tx feedback status to reduce rx command
+ * packet buffer operation load.
+ *
+ * Input: NONE
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_handle_tx_status(
+ struct net_device *dev,
+ u8* pmsg)
+{
+ cmpk_tx_status_t rx_tx_sts; /* */
+
+ memcpy((void*)&rx_tx_sts, (void*)pmsg, sizeof(cmpk_tx_status_t));
+ /* 2. Use tx feedback info to count TX statistics. */
+ cmpk_count_tx_status(dev, &rx_tx_sts);
+
+} /* cmpk_Handle_Tx_Status */
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_handle_tx_rate_history()
+ *
+ * Overview: Firmware add a new tx rate history
+ *
+ * Input: NONE
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/12/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+static void
+cmpk_handle_tx_rate_history(
+ struct net_device *dev,
+ u8* pmsg)
+{
+ cmpk_tx_rahis_t *ptxrate;
+// RT_RF_POWER_STATE rtState;
+ u8 i, j;
+ u16 length = sizeof(cmpk_tx_rahis_t);
+ u32 *ptemp;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+
+
+#ifdef ENABLE_PS
+ pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState));
+
+ // When RF is off, we should not count the packet for hw/sw synchronize
+ // reason, ie. there may be a duration while sw switch is changed and hw
+ // switch is being changed. 2006.12.04, by shien chang.
+ if (rtState == eRfOff)
+ {
+ return;
+ }
+#endif
+
+ ptemp = (u32 *)pmsg;
+
+ //
+ // Do endian transfer to word alignment(16 bits) for windows system.
+ // You must do different endian transfer for linux and MAC OS
+ //
+ for (i = 0; i < (length/4); i++)
+ {
+ u16 temp1, temp2;
+
+ temp1 = ptemp[i]&0x0000FFFF;
+ temp2 = ptemp[i]>>16;
+ ptemp[i] = (temp1<<16)|temp2;
+ }
+
+ ptxrate = (cmpk_tx_rahis_t *)pmsg;
+
+ if (ptxrate == NULL )
+ {
+ return;
+ }
+
+ for (i = 0; i < 16; i++)
+ {
+ // Collect CCK rate packet num
+ if (i < 4)
+ priv->stats.txrate.cck[i] += ptxrate->cck[i];
+
+ // Collect OFDM rate packet num
+ if (i< 8)
+ priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
+
+ for (j = 0; j < 4; j++)
+ priv->stats.txrate.ht_mcs[j][i] += ptxrate->ht_mcs[j][i];
+ }
+
+} /* cmpk_Handle_Tx_Rate_History */
+
+
+/*-----------------------------------------------------------------------------
+ * Function: cmpk_message_handle_rx()
+ *
+ * Overview: In the function, we will capture different RX command packet
+ * info. Every RX command packet element has different message
+ * length and meaning in content. We only support three type of RX
+ * command packet now. Please refer to document
+ * ws-06-0063-rtl8190-command-packet-specification.
+ *
+ * Input: NONE
+ *
+ * Output: NONE
+ *
+ * Return: NONE
+ *
+ * Revised History:
+ * When Who Remark
+ * 05/06/2008 amy Create Version 0 porting from windows code.
+ *
+ *---------------------------------------------------------------------------*/
+extern u32
+cmpk_message_handle_rx(
+ struct net_device *dev,
+ struct ieee80211_rx_stats *pstats)
+{
+// u32 debug_level = DBG_LOUD;
+ struct r8192_priv *priv = ieee80211_priv(dev);
+ int total_length;
+ u8 cmd_length, exe_cnt = 0;
+ u8 element_id;
+ u8 *pcmd_buff;
+
+ /* 0. Check inpt arguments. If is is a command queue message or pointer is
+ null. */
+ if (/*(prfd->queue_id != CMPK_RX_QUEUE_ID) || */(pstats== NULL))
+ {
+ /* Print error message. */
+ /*RT_TRACE(COMP_SEND, DebugLevel,
+ ("\n\r[CMPK]-->Err queue id or pointer"));*/
+ return 0; /* This is not a command packet. */
+ }
+
+ /* 1. Read received command packet message length from RFD. */
+ total_length = pstats->Length;
+
+ /* 2. Read virtual address from RFD. */
+ pcmd_buff = pstats->virtual_address;
+
+ /* 3. Read command pakcet element id and length. */
+ element_id = pcmd_buff[0];
+ /*RT_TRACE(COMP_SEND, DebugLevel,
+ ("\n\r[CMPK]-->element ID=%d Len=%d", element_id, total_length));*/
+
+ /* 4. Check every received command packet conent according to different
+ element type. Because FW may aggregate RX command packet to minimize
+ transmit time between DRV and FW.*/
+ // Add a counter to prevent to locked in the loop too long
+ while (total_length > 0 || exe_cnt++ >100)
+ {
+ /* 2007/01/17 MH We support aggregation of different cmd in the same packet. */
+ element_id = pcmd_buff[0];
+
+ switch(element_id)
+ {
+ case RX_TX_FEEDBACK:
+ cmpk_handle_tx_feedback (dev, pcmd_buff);
+ cmd_length = CMPK_RX_TX_FB_SIZE;
+ break;
+
+ case RX_INTERRUPT_STATUS:
+ cmpk_handle_interrupt_status(dev, pcmd_buff);
+ cmd_length = sizeof(cmpk_intr_sta_t);
+ break;
+
+ case BOTH_QUERY_CONFIG:
+ cmpk_handle_query_config_rx(dev, pcmd_buff);
+ cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
+ break;
+
+ case RX_TX_STATUS:
+ cmpk_handle_tx_status(dev, pcmd_buff);
+ cmd_length = CMPK_RX_TX_STS_SIZE;
+ break;
+
+ case RX_TX_PER_PKT_FEEDBACK:
+ // You must at lease add a switch case element here,
+ // Otherwise, we will jump to default case.
+ //DbgPrint("CCX Test\r\n");
+ cmd_length = CMPK_RX_TX_FB_SIZE;
+ break;
+
+ case RX_TX_RATE_HISTORY:
+ //DbgPrint(" rx tx rate history\r\n");
+ cmpk_handle_tx_rate_history(dev, pcmd_buff);
+ cmd_length = CMPK_TX_RAHIS_SIZE;
+ break;
+
+ default:
+
+ RT_TRACE(COMP_ERR, "---->cmpk_message_handle_rx():unknow CMD Element\n");
+ return 1; /* This is a command packet. */
+ }
+ // 2007/01/22 MH Display received rx command packet info.
+ //cmpk_Display_Message(cmd_length, pcmd_buff);
+
+ // 2007/01/22 MH Add to display tx statistic.
+ //cmpk_DisplayTxStatistic(pAdapter);
+
+ /* 2007/03/09 MH Collect sidderent cmd element pkt num. */
+ priv->stats.rxcmdpkt[element_id]++;
+
+ total_length -= cmd_length;
+ pcmd_buff += cmd_length;
+ } /* while (total_length > 0) */
+ return 1; /* This is a command packet. */
+
+} /* CMPK_Message_Handle_Rx */