- 根目录:
- drivers
- staging
- rtl8192e
- rtl8192e
- r8192E_cmdpkt.c
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
******************************************************************************/
#include "rtl_core.h"
#include "r8192E_hw.h"
#include "r8192E_cmdpkt.h"
bool cmpk_message_handle_tx(
struct net_device *dev,
u8 *code_virtual_address,
u32 packettype,
u32 buffer_len)
{
bool rt_status = true;
struct r8192_priv *priv = rtllib_priv(dev);
u16 frag_threshold;
u16 frag_length = 0, frag_offset = 0;
struct rt_firmware *pfirmware = priv->pFirmware;
struct sk_buff *skb;
unsigned char *seg_ptr;
struct cb_desc *tcb_desc;
u8 bLastIniPkt;
struct tx_fwinfo_8190pci *pTxFwInfo = NULL;
RT_TRACE(COMP_CMDPKT, "%s(),buffer_len is %d\n", __func__, buffer_len);
firmware_init_param(dev);
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;
}
skb = dev_alloc_skb(frag_length +
priv->rtllib->tx_headroom + 4);
if (skb == NULL) {
rt_status = false;
goto Failed;
}
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 = bLastIniPkt;
tcb_desc->pkt_size = frag_length;
seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
memset(pTxFwInfo, 0x12, 8);
seg_ptr = skb_put(skb, frag_length);
memcpy(seg_ptr, code_virtual_address, (u32)frag_length);
priv->rtllib->softmac_hard_start_xmit(skb, dev);
code_virtual_address += frag_length;
frag_offset += frag_length;
} while (frag_offset < buffer_len);
write_nic_byte(dev, TPPoll, TPPoll_CQ);
Failed:
return rt_status;
}
static void
cmpk_count_txstatistic(
struct net_device *dev,
struct cmpk_txfb *pstx_fb)
{
struct r8192_priv *priv = rtllib_priv(dev);
#ifdef ENABLE_PS
enum rt_rf_power_state rtState;
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
if (rtState == eRfOff)
return;
#endif
if (pstx_fb->tok) {
priv->stats.txfeedbackok++;
priv->stats.txoktotal++;
priv->stats.txokbytestotal += pstx_fb->pkt_length;
priv->stats.txokinperiod++;
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;
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;
}
static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct cmpk_txfb rx_tx_fb;
priv->stats.txfeedback++;
memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmpk_txfb));
cmpk_count_txstatistic(dev, &rx_tx_fb);
}
static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
u16 tx_rate;
if ((priv->rtllib->current_network.mode == IEEE_A) ||
(priv->rtllib->current_network.mode == IEEE_N_5G) ||
((priv->rtllib->current_network.mode == IEEE_N_24G) &&
(!priv->rtllib->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");
}
}
static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
{
struct cmpk_intr_sta rx_intr_status; /* */
struct r8192_priv *priv = rtllib_priv(dev);
DMESG("---> cmpk_Handle_Interrupt_Status()\n");
rx_intr_status.length = pmsg[1];
if (rx_intr_status.length != (sizeof(struct cmpk_intr_sta) - 2)) {
DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
return;
}
if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
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_TxBcnOk) {
priv->rtllib->bibsscoordinator = true;
priv->stats.txbeaconokint++;
} else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) {
priv->rtllib->bibsscoordinator = false;
priv->stats.txbeaconerr++;
}
if (rx_intr_status.interrupt_status & ISR_BcnTimerIntr)
cmdpkt_beacontimerinterrupt_819xusb(dev);
}
DMESG("<---- cmpk_handle_interrupt_status()\n");
}
static void cmpk_handle_query_config_rx(struct net_device *dev, u8 *pmsg)
{
cmpk_query_cfg_t rx_query_cfg;
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);
}
static void cmpk_count_tx_status(struct net_device *dev,
struct cmpk_tx_status *pstx_status)
{
struct r8192_priv *priv = rtllib_priv(dev);
#ifdef ENABLE_PS
enum rt_rf_power_state rtstate;
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
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;
}
static void cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
{
struct cmpk_tx_status rx_tx_sts;
memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(struct cmpk_tx_status));
cmpk_count_tx_status(dev, &rx_tx_sts);
}
static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
{
struct cmpk_tx_rahis *ptxrate;
u8 i, j;
u16 length = sizeof(struct cmpk_tx_rahis);
u32 *ptemp;
struct r8192_priv *priv = rtllib_priv(dev);
#ifdef ENABLE_PS
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
if (rtState == eRfOff)
return;
#endif
ptemp = (u32 *)pmsg;
for (i = 0; i < (length / 4); i++) {
u16 temp1, temp2;
temp1 = ptemp[i] & 0x0000FFFF;
temp2 = ptemp[i] >> 16;
ptemp[i] = (temp1 << 16) | temp2;
}
ptxrate = (struct cmpk_tx_rahis *)pmsg;
if (ptxrate == NULL)
return;
for (i = 0; i < 16; i++) {
if (i < 4)
priv->stats.txrate.cck[i] += ptxrate->cck[i];
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];
}
}
u32 cmpk_message_handle_rx(struct net_device *dev,
struct rtllib_rx_stats *pstats)
{
int total_length;
u8 cmd_length, exe_cnt = 0;
u8 element_id;
u8 *pcmd_buff;
RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx()\n");
if (pstats == NULL)
return 0;
total_length = pstats->Length;
pcmd_buff = pstats->virtual_address;
element_id = pcmd_buff[0];
while (total_length > 0 || exe_cnt++ > 100) {
element_id = pcmd_buff[0];
switch (element_id) {
case RX_TX_FEEDBACK:
RT_TRACE(COMP_CMDPKT, "---->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_CMDPKT, "---->cmpk_message_handle_rx():"
"RX_INTERRUPT_STATUS\n");
cmpk_handle_interrupt_status(dev, pcmd_buff);
cmd_length = sizeof(struct cmpk_intr_sta);
break;
case BOTH_QUERY_CONFIG:
RT_TRACE(COMP_CMDPKT, "---->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_CMDPKT, "---->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:
RT_TRACE(COMP_CMDPKT, "---->cmpk_message_handle_rx():"
"RX_TX_PER_PKT_FEEDBACK\n");
cmd_length = CMPK_RX_TX_FB_SIZE;
break;
case RX_TX_RATE_HISTORY:
RT_TRACE(COMP_CMDPKT, "---->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_CMDPKT, "---->cmpk_message_handle_rx():"
"unknow CMD Element\n");
return 1;
}
total_length -= cmd_length;
pcmd_buff += cmd_length;
}
return 1;
}