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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.c508
1 files changed, 0 insertions, 508 deletions
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
deleted file mode 100644
index 30a320422358..000000000000
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c
+++ /dev/null
@@ -1,508 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/******************************************************************************
- *
- * (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:
- *
- * Date Who Remark
- * 05/06/2008 amy Create initial version porting from
- * windows driver.
- *
- ******************************************************************************/
-#include "r8192U.h"
-#include "r819xU_cmdpkt.h"
-
-rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
-{
- struct r8192_priv *priv = ieee80211_priv(dev);
- struct sk_buff *skb;
- struct cb_desc *tcb_desc;
-
- /* 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);
- if (!skb)
- return RT_STATUS_FAILURE;
- memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
- tcb_desc = (struct 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);
- skb_put_data(skb, 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);
- }
-
- return RT_STATUS_SUCCESS;
-}
-
-static void cmpk_count_txstatistic(struct net_device *dev, struct cmd_pkt_tx_feedback *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.
- */
- 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;
-}
-
-/*-----------------------------------------------------------------------------
- * 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);
- struct cmd_pkt_tx_feedback rx_tx_fb;
-
- priv->stats.txfeedback++;
-
- /* 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.
- */
- /* Use pointer to transfer structure memory. */
- memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmd_pkt_tx_feedback));
- /* 2. Use tx feedback info to count TX statistics. */
- cmpk_count_txstatistic(dev, &rx_tx_fb);
- /* 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.
- */
-}
-
-static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
-{
- struct r8192_priv *priv = ieee80211_priv(dev);
- u16 tx_rate;
-
- /* 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)
-{
- struct cmd_pkt_interrupt_status rx_intr_status; /* */
- struct r8192_priv *priv = ieee80211_priv(dev);
-
- DMESG("---> cmpk_Handle_Interrupt_Status()\n");
-
- /* 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_intr_status.length = pmsg[1];
- if (rx_intr_status.length != (sizeof(struct cmd_pkt_interrupt_status) - 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));
-
- DMESG("interrupt status = 0x%x\n",
- rx_intr_status.interrupt_status);
-
- if (rx_intr_status.interrupt_status & ISR_TX_BCN_OK) {
- priv->ieee80211->bibsscoordinator = true;
- priv->stats.txbeaconokint++;
- } else if (rx_intr_status.interrupt_status & ISR_TX_BCN_ERR) {
- priv->ieee80211->bibsscoordinator = false;
- priv->stats.txbeaconerr++;
- }
-
- if (rx_intr_status.interrupt_status & ISR_BCN_TIMER_INTR)
- cmdpkt_beacontimerinterrupt_819xusb(dev);
- }
-
- /* Other information in interrupt status we need? */
-
- DMESG("<---- cmpk_handle_interrupt_status()\n");
-}
-
-/*-----------------------------------------------------------------------------
- * 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.
- */
- 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;
-
- 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;
-}
-
-/*-----------------------------------------------------------------------------
- * 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);
-}
-
-/*-----------------------------------------------------------------------------
- * 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;
- 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.
- */
- 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)
- 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];
- }
-}
-
-/*-----------------------------------------------------------------------------
- * 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.
- *
- *---------------------------------------------------------------------------
- */
-u32 cmpk_message_handle_rx(struct net_device *dev,
- struct ieee80211_rx_stats *pstats)
-{
- int total_length;
- u8 cmd_length, exe_cnt = 0;
- u8 element_id;
- u8 *pcmd_buff;
-
- /* 0. Check inpt arguments. It is a command queue message or
- * pointer is null.
- */
- if (!pstats)
- 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 packet element id and length. */
- element_id = pcmd_buff[0];
-
- /* 4. Check every received command packet content 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 the lock in the loop from being held too
- * long
- */
- while (total_length > 0 && exe_cnt++ < 100) {
- /* 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(struct cmd_pkt_interrupt_status);
- break;
-
- case BOTH_QUERY_CONFIG:
- 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.
- */
- cmd_length = CMPK_RX_TX_FB_SIZE;
- break;
-
- case RX_TX_RATE_HISTORY:
- cmpk_handle_tx_rate_history(dev, pcmd_buff);
- cmd_length = CMPK_TX_RAHIS_SIZE;
- break;
-
- default:
-
- RT_TRACE(COMP_ERR, "---->%s():unknown CMD Element\n",
- __func__);
- return 1; /* This is a command packet. */
- }
-
- total_length -= cmd_length;
- pcmd_buff += cmd_length;
- }
- return 1; /* This is a command packet. */
-}
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