diff options
Diffstat (limited to 'drivers/staging/rtl8192u/r819xU_cmdpkt.c')
-rw-r--r-- | drivers/staging/rtl8192u/r819xU_cmdpkt.c | 508 |
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 30a3204223..0000000000 --- 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. */ -} |