4803ef77da
Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
473 lines
14 KiB
C
473 lines
14 KiB
C
/******************************************************************************
|
|
|
|
(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 net_device *dev,
|
|
u8* code_virtual_address,
|
|
u32 packettype,
|
|
u32 buffer_len)
|
|
{
|
|
|
|
RT_STATUS rt_status = RT_STATUS_SUCCESS;
|
|
struct r8192_priv *priv = ieee80211_priv(dev);
|
|
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;
|
|
|
|
//spin_lock_irqsave(&priv->tx_lock,flags);
|
|
RT_TRACE(COMP_CMDPKT,"%s(),buffer_len is %d\n",__FUNCTION__,buffer_len);
|
|
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 =(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;
|
|
}
|
|
|
|
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;
|
|
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,dev);
|
|
|
|
code_virtual_address += frag_length;
|
|
frag_offset += frag_length;
|
|
|
|
}while(frag_offset < buffer_len);
|
|
|
|
Failed:
|
|
//spin_unlock_irqrestore(&priv->tx_lock,flags);
|
|
return rt_status;
|
|
}
|
|
|
|
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.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 net_device *dev,
|
|
u8 * pmsg)
|
|
{
|
|
struct r8192_priv *priv = ieee80211_priv(dev);
|
|
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(dev, &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 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");
|
|
|
|
/* 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 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);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Count aggregated tx status from firmwar of one type rx command
|
|
* packet element id = RX_TX_STATUS.
|
|
*/
|
|
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.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 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);
|
|
|
|
}
|
|
|
|
|
|
/* Firmware add a new tx rate history */
|
|
static void
|
|
cmpk_handle_tx_rate_history(
|
|
struct net_device *dev,
|
|
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 net_device *dev, 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 (dev, 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(dev, 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(dev, 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(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");
|
|
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(dev, 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");
|
|
}
|