diff options
Diffstat (limited to 'drivers/staging/rtl8192e/r819xE_cmdpkt.c')
-rw-r--r-- | drivers/staging/rtl8192e/r819xE_cmdpkt.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/drivers/staging/rtl8192e/r819xE_cmdpkt.c b/drivers/staging/rtl8192e/r819xE_cmdpkt.c deleted file mode 100644 index 756e066..0000000 --- a/drivers/staging/rtl8192e/r819xE_cmdpkt.c +++ /dev/null @@ -1,444 +0,0 @@ -/****************************************************************************** - - (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: - Data Who Remark - - 05/06/2008 amy Create initial version porting from windows driver. - -******************************************************************************/ -#include "r8192E.h" -#include "r8192E_hw.h" -#include "r819xE_cmdpkt.h" - -/* - * 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. - */ -RT_STATUS cmpk_message_handle_tx( - struct r8192_priv *priv, - u8* code_virtual_address, - u32 packettype, - u32 buffer_len) -{ - RT_STATUS rt_status = RT_STATUS_SUCCESS; - u16 frag_threshold; - u16 frag_length = 0, frag_offset = 0; - rt_firmware *pfirmware = priv->pFirmware; - struct sk_buff *skb; - unsigned char *seg_ptr; - cb_desc *tcb_desc; - u8 bLastIniPkt; - - PTX_FWINFO_8190PCI pTxFwInfo = NULL; - int i; - - RT_TRACE(COMP_CMDPKT,"%s(),buffer_len is %d\n",__FUNCTION__,buffer_len); - firmware_init_param(priv); - //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 =(u16)(buffer_len - frag_offset); - bLastIniPkt = 1; - - } - - /* Allocate skb buffer to contain firmware info and tx descriptor info - * add 4 to avoid packet appending overflow. - * */ - skb = dev_alloc_skb(frag_length + priv->ieee80211->tx_headroom + 4); - if(skb == NULL) { - rt_status = RT_STATUS_FAILURE; - goto Failed; - } - - tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); - tcb_desc->queue_index = TXCMD_QUEUE; - tcb_desc->bCmdOrInit = packettype; - tcb_desc->bLastIniPkt = bLastIniPkt; - tcb_desc->pkt_size = frag_length; - - //seg_ptr = skb_put(skb, frag_length + priv->ieee80211->tx_headroom); - seg_ptr = skb_put(skb, priv->ieee80211->tx_headroom); - - pTxFwInfo = (PTX_FWINFO_8190PCI)seg_ptr; - memset(pTxFwInfo,0,sizeof(TX_FWINFO_8190PCI)); - memset(pTxFwInfo,0x12,8); - - seg_ptr +=sizeof(TX_FWINFO_8190PCI); - - /* - * Transform from little endian to big endian - * and pending zero - */ - seg_ptr = skb_tail_pointer(skb); - for(i=0 ; i < frag_length; i+=4) { - *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0; - *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0; - *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0; - *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0; - } - skb_put(skb, i); - priv->ieee80211->softmac_hard_start_xmit(skb, priv->ieee80211); - - code_virtual_address += frag_length; - frag_offset += frag_length; - - }while(frag_offset < buffer_len); - -Failed: - return rt_status; -} - -static void cmpk_count_txstatistic(struct r8192_priv *priv, cmpk_txfb_t *pstx_fb) -{ -#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.txoktotal++; - - /* We can not make sure broadcast/multicast or unicast mode. */ - if (pstx_fb->pkt_type != PACKET_MULTICAST && - pstx_fb->pkt_type != PACKET_BROADCAST) { - priv->stats.txbytesunicast += pstx_fb->pkt_length; - } - } -} - - - -/* - * 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. - */ -static void cmpk_handle_tx_feedback(struct r8192_priv *priv, u8 *pmsg) -{ - cmpk_txfb_t rx_tx_fb; /* */ - - priv->stats.txfeedback++; - - memcpy((u8*)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t)); - /* Use tx feedback info to count TX statistics. */ - cmpk_count_txstatistic(priv, &rx_tx_fb); -} - - -/* - * 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". - */ -static void cmpk_handle_interrupt_status(struct r8192_priv *priv, u8 *pmsg) -{ - cmpk_intr_sta_t rx_intr_status; /* */ - - 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_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++; - } - } - - // Other informations in interrupt status we need? - - - DMESG("<---- cmpk_handle_interrupt_status()\n"); - -} - - -/* - * 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". - */ -static void cmpk_handle_query_config_rx(struct r8192_priv *priv, 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); - -} - - -/* - * Count aggregated tx status from firmwar of one type rx command - * packet element id = RX_TX_STATUS. - */ -static void cmpk_count_tx_status(struct r8192_priv *priv, cmpk_tx_status_t *pstx_status) -{ - -#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.txbytesunicast += pstx_status->txuclength; -} - - - -/* - * Firmware add a new tx feedback status to reduce rx command - * packet buffer operation load. - */ -static void cmpk_handle_tx_status(struct r8192_priv *priv, 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(priv, &rx_tx_sts); - -} - - -/* Firmware add a new tx rate history */ -static void cmpk_handle_tx_rate_history(struct r8192_priv *priv, u8 *pmsg) -{ - u8 i; - u16 length = sizeof(cmpk_tx_rahis_t); - u32 *ptemp; - -#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; - } -} - - -/* - * 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. - */ -u32 cmpk_message_handle_rx(struct r8192_priv *priv, struct ieee80211_rx_stats *pstats) -{ -// u32 debug_level = DBG_LOUD; - int total_length; - u8 cmd_length, exe_cnt = 0; - u8 element_id; - u8 *pcmd_buff; - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx()\n"); - - /* 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: - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_FEEDBACK\n"); - cmpk_handle_tx_feedback(priv, pcmd_buff); - cmd_length = CMPK_RX_TX_FB_SIZE; - break; - - case RX_INTERRUPT_STATUS: - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_INTERRUPT_STATUS\n"); - cmpk_handle_interrupt_status(priv, pcmd_buff); - cmd_length = sizeof(cmpk_intr_sta_t); - break; - - case BOTH_QUERY_CONFIG: - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():BOTH_QUERY_CONFIG\n"); - cmpk_handle_query_config_rx(priv, pcmd_buff); - cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE; - break; - - case RX_TX_STATUS: - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_STATUS\n"); - cmpk_handle_tx_status(priv, 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"); - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_PER_PKT_FEEDBACK\n"); - cmd_length = CMPK_RX_TX_FB_SIZE; - break; - - case RX_TX_RATE_HISTORY: - //DbgPrint(" rx tx rate history\r\n"); - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_HISTORY\n"); - cmpk_handle_tx_rate_history(priv, pcmd_buff); - cmd_length = CMPK_TX_RAHIS_SIZE; - break; - - default: - - RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():unknown CMD Element\n"); - return 1; /* This is a command packet. */ - } - - total_length -= cmd_length; - pcmd_buff += cmd_length; - } /* while (total_length > 0) */ - return 1; /* This is a command packet. */ - - RT_TRACE(COMP_EVENTS, "<----cmpk_message_handle_rx()\n"); -} |