Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | |
| 3 | (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved. |
| 4 | |
| 5 | Module: r819xusb_cmdpkt.c (RTL8190 TX/RX command packet handler Source C File) |
| 6 | |
| 7 | Note: The module is responsible for handling TX and RX command packet. |
| 8 | 1. TX : Send set and query configuration command packet. |
| 9 | 2. RX : Receive tx feedback, beacon state, query configuration |
| 10 | command packet. |
| 11 | |
| 12 | Function: |
| 13 | |
| 14 | Export: |
| 15 | |
| 16 | Abbrev: |
| 17 | |
| 18 | History: |
| 19 | Data Who Remark |
| 20 | |
| 21 | 05/06/2008 amy Create initial version porting from windows driver. |
| 22 | |
| 23 | ******************************************************************************/ |
| 24 | #include "r8192E.h" |
| 25 | #include "r8192E_hw.h" |
| 26 | #include "r819xE_cmdpkt.h" |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 27 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 28 | /* |
| 29 | * Driver internal module can call the API to send message to |
| 30 | * firmware side. For example, you can send a debug command packet. |
| 31 | * Or you can send a request for FW to modify RLX4181 LBUS HW bank. |
| 32 | * Otherwise, you can change MAC/PHT/RF register by firmware at |
| 33 | * run time. We do not support message more than one segment now. |
| 34 | */ |
Greg Kroah-Hartman | 5e1ad18 | 2009-08-10 16:34:22 -0700 | [diff] [blame] | 35 | RT_STATUS cmpk_message_handle_tx( |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 36 | struct r8192_priv *priv, |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 37 | u8* code_virtual_address, |
| 38 | u32 packettype, |
| 39 | u32 buffer_len) |
| 40 | { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 41 | RT_STATUS rt_status = RT_STATUS_SUCCESS; |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 42 | u16 frag_threshold; |
| 43 | u16 frag_length = 0, frag_offset = 0; |
| 44 | rt_firmware *pfirmware = priv->pFirmware; |
| 45 | struct sk_buff *skb; |
| 46 | unsigned char *seg_ptr; |
| 47 | cb_desc *tcb_desc; |
| 48 | u8 bLastIniPkt; |
| 49 | |
| 50 | PTX_FWINFO_8190PCI pTxFwInfo = NULL; |
| 51 | int i; |
| 52 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 53 | RT_TRACE(COMP_CMDPKT,"%s(),buffer_len is %d\n",__FUNCTION__,buffer_len); |
Mike McCormack | ef8efe5 | 2011-03-10 22:40:36 +0900 | [diff] [blame] | 54 | firmware_init_param(priv); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 55 | //Fragmentation might be required |
| 56 | frag_threshold = pfirmware->cmdpacket_frag_thresold; |
| 57 | do { |
| 58 | if((buffer_len - frag_offset) > frag_threshold) { |
| 59 | frag_length = frag_threshold ; |
| 60 | bLastIniPkt = 0; |
| 61 | |
| 62 | } else { |
| 63 | frag_length =(u16)(buffer_len - frag_offset); |
| 64 | bLastIniPkt = 1; |
| 65 | |
| 66 | } |
| 67 | |
| 68 | /* Allocate skb buffer to contain firmware info and tx descriptor info |
| 69 | * add 4 to avoid packet appending overflow. |
| 70 | * */ |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 71 | skb = dev_alloc_skb(frag_length + priv->ieee80211->tx_headroom + 4); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 72 | if(skb == NULL) { |
| 73 | rt_status = RT_STATUS_FAILURE; |
| 74 | goto Failed; |
| 75 | } |
| 76 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 77 | tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); |
| 78 | tcb_desc->queue_index = TXCMD_QUEUE; |
| 79 | tcb_desc->bCmdOrInit = packettype; |
| 80 | tcb_desc->bLastIniPkt = bLastIniPkt; |
| 81 | tcb_desc->pkt_size = frag_length; |
| 82 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 83 | //seg_ptr = skb_put(skb, frag_length + priv->ieee80211->tx_headroom); |
| 84 | seg_ptr = skb_put(skb, priv->ieee80211->tx_headroom); |
| 85 | |
| 86 | pTxFwInfo = (PTX_FWINFO_8190PCI)seg_ptr; |
| 87 | memset(pTxFwInfo,0,sizeof(TX_FWINFO_8190PCI)); |
| 88 | memset(pTxFwInfo,0x12,8); |
| 89 | |
| 90 | seg_ptr +=sizeof(TX_FWINFO_8190PCI); |
| 91 | |
| 92 | /* |
| 93 | * Transform from little endian to big endian |
| 94 | * and pending zero |
| 95 | */ |
Jeff Mahoney | 1c7ec2e | 2010-01-11 10:54:27 -0500 | [diff] [blame] | 96 | seg_ptr = skb_tail_pointer(skb); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 97 | for(i=0 ; i < frag_length; i+=4) { |
| 98 | *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0; |
| 99 | *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0; |
| 100 | *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0; |
| 101 | *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0; |
| 102 | } |
| 103 | skb_put(skb, i); |
Mike McCormack | 0914596 | 2011-03-10 22:33:36 +0900 | [diff] [blame] | 104 | priv->ieee80211->softmac_hard_start_xmit(skb, priv->ieee80211); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 105 | |
| 106 | code_virtual_address += frag_length; |
| 107 | frag_offset += frag_length; |
| 108 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 109 | }while(frag_offset < buffer_len); |
| 110 | |
| 111 | Failed: |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 112 | return rt_status; |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 113 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 114 | |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 115 | static void cmpk_count_txstatistic(struct r8192_priv *priv, cmpk_txfb_t *pstx_fb) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 116 | { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 117 | #ifdef ENABLE_PS |
| 118 | RT_RF_POWER_STATE rtState; |
| 119 | |
| 120 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState)); |
| 121 | |
| 122 | // When RF is off, we should not count the packet for hw/sw synchronize |
| 123 | // reason, ie. there may be a duration while sw switch is changed and hw |
| 124 | // switch is being changed. 2006.12.04, by shien chang. |
| 125 | if (rtState == eRfOff) |
| 126 | { |
| 127 | return; |
| 128 | } |
| 129 | #endif |
| 130 | |
| 131 | #ifdef TODO |
| 132 | if(pAdapter->bInHctTest) |
| 133 | return; |
| 134 | #endif |
| 135 | /* We can not know the packet length and transmit type: broadcast or uni |
| 136 | or multicast. So the relative statistics must be collected in tx |
| 137 | feedback info. */ |
| 138 | if (pstx_fb->tok) |
| 139 | { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 140 | priv->stats.txoktotal++; |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 141 | |
| 142 | /* We can not make sure broadcast/multicast or unicast mode. */ |
Mike McCormack | 8cbe7ae | 2011-01-24 23:22:21 +0900 | [diff] [blame] | 143 | if (pstx_fb->pkt_type != PACKET_MULTICAST && |
| 144 | pstx_fb->pkt_type != PACKET_BROADCAST) { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 145 | priv->stats.txbytesunicast += pstx_fb->pkt_length; |
| 146 | } |
| 147 | } |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 148 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 149 | |
| 150 | |
| 151 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 152 | /* |
| 153 | * The function is responsible for extract the message inside TX |
| 154 | * feedbck message from firmware. It will contain dedicated info in |
| 155 | * ws-06-0063-rtl8190-command-packet-specification. Please |
| 156 | * refer to chapter "TX Feedback Element". We have to read 20 bytes |
| 157 | * in the command packet. |
| 158 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 159 | static void cmpk_handle_tx_feedback(struct r8192_priv *priv, u8 *pmsg) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 160 | { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 161 | cmpk_txfb_t rx_tx_fb; /* */ |
| 162 | |
| 163 | priv->stats.txfeedback++; |
| 164 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 165 | memcpy((u8*)&rx_tx_fb, pmsg, sizeof(cmpk_txfb_t)); |
Mike McCormack | 679b5f6 | 2011-02-06 22:53:45 +0900 | [diff] [blame] | 166 | /* Use tx feedback info to count TX statistics. */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 167 | cmpk_count_txstatistic(priv, &rx_tx_fb); |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 168 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 169 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 170 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 171 | /* |
| 172 | * The function is responsible for extract the message from |
| 173 | * firmware. It will contain dedicated info in |
| 174 | * ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc. |
| 175 | * Please refer to chapter "Interrupt Status Element". |
| 176 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 177 | static void cmpk_handle_interrupt_status(struct r8192_priv *priv, u8 *pmsg) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 178 | { |
| 179 | cmpk_intr_sta_t rx_intr_status; /* */ |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 180 | |
| 181 | DMESG("---> cmpk_Handle_Interrupt_Status()\n"); |
| 182 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 183 | /* 1. Extract TX feedback info from RFD to temp structure buffer. */ |
| 184 | /* It seems that FW use big endian(MIPS) and DRV use little endian in |
| 185 | windows OS. So we have to read the content byte by byte or transfer |
| 186 | endian type before copy the message copy. */ |
| 187 | //rx_bcn_state.Element_ID = pMsg[0]; |
| 188 | //rx_bcn_state.Length = pMsg[1]; |
| 189 | rx_intr_status.length = pmsg[1]; |
| 190 | if (rx_intr_status.length != (sizeof(cmpk_intr_sta_t) - 2)) |
| 191 | { |
| 192 | DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n"); |
| 193 | return; |
| 194 | } |
| 195 | |
| 196 | |
| 197 | // Statistics of beacon for ad-hoc mode. |
| 198 | if( priv->ieee80211->iw_mode == IW_MODE_ADHOC) |
| 199 | { |
| 200 | //2 maybe need endian transform? |
| 201 | rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4)); |
| 202 | //rx_intr_status.InterruptStatus = N2H4BYTE(*((UINT32 *)(pMsg + 4))); |
| 203 | |
| 204 | DMESG("interrupt status = 0x%x\n", rx_intr_status.interrupt_status); |
| 205 | |
| 206 | if (rx_intr_status.interrupt_status & ISR_TxBcnOk) |
| 207 | { |
| 208 | priv->ieee80211->bibsscoordinator = true; |
| 209 | priv->stats.txbeaconokint++; |
| 210 | } |
| 211 | else if (rx_intr_status.interrupt_status & ISR_TxBcnErr) |
| 212 | { |
| 213 | priv->ieee80211->bibsscoordinator = false; |
| 214 | priv->stats.txbeaconerr++; |
| 215 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | // Other informations in interrupt status we need? |
| 219 | |
| 220 | |
| 221 | DMESG("<---- cmpk_handle_interrupt_status()\n"); |
| 222 | |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 223 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 224 | |
| 225 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 226 | /* |
| 227 | * The function is responsible for extract the message from |
| 228 | * firmware. It will contain dedicated info in |
| 229 | * ws-06-0063-rtl8190-command-packet-specification. Please |
| 230 | * refer to chapter "Beacon State Element". |
| 231 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 232 | static void cmpk_handle_query_config_rx(struct r8192_priv *priv, u8 *pmsg) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 233 | { |
| 234 | cmpk_query_cfg_t rx_query_cfg; /* */ |
| 235 | |
| 236 | /* 0. Display received message. */ |
| 237 | //cmpk_Display_Message(CMPK_RX_BEACON_STATE_SIZE, pMsg); |
| 238 | |
| 239 | /* 1. Extract TX feedback info from RFD to temp structure buffer. */ |
| 240 | /* It seems that FW use big endian(MIPS) and DRV use little endian in |
| 241 | windows OS. So we have to read the content byte by byte or transfer |
| 242 | endian type before copy the message copy. */ |
| 243 | //rx_query_cfg.Element_ID = pMsg[0]; |
| 244 | //rx_query_cfg.Length = pMsg[1]; |
| 245 | rx_query_cfg.cfg_action = (pmsg[4] & 0x80000000)>>31; |
| 246 | rx_query_cfg.cfg_type = (pmsg[4] & 0x60) >> 5; |
| 247 | rx_query_cfg.cfg_size = (pmsg[4] & 0x18) >> 3; |
| 248 | rx_query_cfg.cfg_page = (pmsg[6] & 0x0F) >> 0; |
| 249 | rx_query_cfg.cfg_offset = pmsg[7]; |
| 250 | rx_query_cfg.value = (pmsg[8] << 24) | (pmsg[9] << 16) | |
| 251 | (pmsg[10] << 8) | (pmsg[11] << 0); |
| 252 | rx_query_cfg.mask = (pmsg[12] << 24) | (pmsg[13] << 16) | |
| 253 | (pmsg[14] << 8) | (pmsg[15] << 0); |
| 254 | |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 255 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 256 | |
| 257 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 258 | /* |
| 259 | * Count aggregated tx status from firmwar of one type rx command |
| 260 | * packet element id = RX_TX_STATUS. |
| 261 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 262 | static void cmpk_count_tx_status(struct r8192_priv *priv, cmpk_tx_status_t *pstx_status) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 263 | { |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 264 | |
| 265 | #ifdef ENABLE_PS |
| 266 | |
| 267 | RT_RF_POWER_STATE rtstate; |
| 268 | |
| 269 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState)); |
| 270 | |
| 271 | // When RF is off, we should not count the packet for hw/sw synchronize |
| 272 | // reason, ie. there may be a duration while sw switch is changed and hw |
| 273 | // switch is being changed. 2006.12.04, by shien chang. |
| 274 | if (rtState == eRfOff) |
| 275 | { |
| 276 | return; |
| 277 | } |
| 278 | #endif |
| 279 | |
| 280 | priv->stats.txfeedbackok += pstx_status->txok; |
| 281 | priv->stats.txoktotal += pstx_status->txok; |
| 282 | |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 283 | priv->stats.txbytesunicast += pstx_status->txuclength; |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 284 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 285 | |
| 286 | |
| 287 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 288 | /* |
| 289 | * Firmware add a new tx feedback status to reduce rx command |
| 290 | * packet buffer operation load. |
| 291 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 292 | static void cmpk_handle_tx_status(struct r8192_priv *priv, u8 *pmsg) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 293 | { |
| 294 | cmpk_tx_status_t rx_tx_sts; /* */ |
| 295 | |
| 296 | memcpy((void*)&rx_tx_sts, (void*)pmsg, sizeof(cmpk_tx_status_t)); |
| 297 | /* 2. Use tx feedback info to count TX statistics. */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 298 | cmpk_count_tx_status(priv, &rx_tx_sts); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 299 | |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 300 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 301 | |
| 302 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 303 | /* Firmware add a new tx rate history */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 304 | static void cmpk_handle_tx_rate_history(struct r8192_priv *priv, u8 *pmsg) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 305 | { |
Mike McCormack | 8cbe7ae | 2011-01-24 23:22:21 +0900 | [diff] [blame] | 306 | u8 i; |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 307 | u16 length = sizeof(cmpk_tx_rahis_t); |
| 308 | u32 *ptemp; |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 309 | |
| 310 | #ifdef ENABLE_PS |
| 311 | pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE, (pu1Byte)(&rtState)); |
| 312 | |
| 313 | // When RF is off, we should not count the packet for hw/sw synchronize |
| 314 | // reason, ie. there may be a duration while sw switch is changed and hw |
| 315 | // switch is being changed. 2006.12.04, by shien chang. |
| 316 | if (rtState == eRfOff) |
| 317 | { |
| 318 | return; |
| 319 | } |
| 320 | #endif |
| 321 | |
| 322 | ptemp = (u32 *)pmsg; |
| 323 | |
| 324 | // |
| 325 | // Do endian transfer to word alignment(16 bits) for windows system. |
| 326 | // You must do different endian transfer for linux and MAC OS |
| 327 | // |
| 328 | for (i = 0; i < (length/4); i++) |
| 329 | { |
| 330 | u16 temp1, temp2; |
| 331 | |
| 332 | temp1 = ptemp[i]&0x0000FFFF; |
| 333 | temp2 = ptemp[i]>>16; |
| 334 | ptemp[i] = (temp1<<16)|temp2; |
| 335 | } |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 336 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 337 | |
| 338 | |
Mike McCormack | 533d1ff | 2010-09-08 22:05:21 +0900 | [diff] [blame] | 339 | /* |
| 340 | * In the function, we will capture different RX command packet |
| 341 | * info. Every RX command packet element has different message |
| 342 | * length and meaning in content. We only support three type of RX |
| 343 | * command packet now. Please refer to document |
| 344 | * ws-06-0063-rtl8190-command-packet-specification. |
| 345 | */ |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 346 | u32 cmpk_message_handle_rx(struct r8192_priv *priv, struct ieee80211_rx_stats *pstats) |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 347 | { |
| 348 | // u32 debug_level = DBG_LOUD; |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 349 | int total_length; |
| 350 | u8 cmd_length, exe_cnt = 0; |
| 351 | u8 element_id; |
| 352 | u8 *pcmd_buff; |
| 353 | |
| 354 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx()\n"); |
| 355 | |
| 356 | /* 0. Check inpt arguments. If is is a command queue message or pointer is |
| 357 | null. */ |
| 358 | if (/*(prfd->queue_id != CMPK_RX_QUEUE_ID) || */(pstats== NULL)) |
| 359 | { |
| 360 | /* Print error message. */ |
| 361 | /*RT_TRACE(COMP_SEND, DebugLevel, |
| 362 | ("\n\r[CMPK]-->Err queue id or pointer"));*/ |
| 363 | return 0; /* This is not a command packet. */ |
| 364 | } |
| 365 | |
| 366 | /* 1. Read received command packet message length from RFD. */ |
| 367 | total_length = pstats->Length; |
| 368 | |
| 369 | /* 2. Read virtual address from RFD. */ |
| 370 | pcmd_buff = pstats->virtual_address; |
| 371 | |
| 372 | /* 3. Read command pakcet element id and length. */ |
| 373 | element_id = pcmd_buff[0]; |
| 374 | /*RT_TRACE(COMP_SEND, DebugLevel, |
| 375 | ("\n\r[CMPK]-->element ID=%d Len=%d", element_id, total_length));*/ |
| 376 | |
| 377 | /* 4. Check every received command packet conent according to different |
| 378 | element type. Because FW may aggregate RX command packet to minimize |
| 379 | transmit time between DRV and FW.*/ |
| 380 | // Add a counter to prevent to locked in the loop too long |
| 381 | while (total_length > 0 || exe_cnt++ >100) |
| 382 | { |
| 383 | /* 2007/01/17 MH We support aggregation of different cmd in the same packet. */ |
| 384 | element_id = pcmd_buff[0]; |
| 385 | |
| 386 | switch(element_id) |
| 387 | { |
| 388 | case RX_TX_FEEDBACK: |
| 389 | |
| 390 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_FEEDBACK\n"); |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 391 | cmpk_handle_tx_feedback(priv, pcmd_buff); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 392 | cmd_length = CMPK_RX_TX_FB_SIZE; |
| 393 | break; |
| 394 | |
| 395 | case RX_INTERRUPT_STATUS: |
| 396 | |
| 397 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_INTERRUPT_STATUS\n"); |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 398 | cmpk_handle_interrupt_status(priv, pcmd_buff); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 399 | cmd_length = sizeof(cmpk_intr_sta_t); |
| 400 | break; |
| 401 | |
| 402 | case BOTH_QUERY_CONFIG: |
| 403 | |
| 404 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():BOTH_QUERY_CONFIG\n"); |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 405 | cmpk_handle_query_config_rx(priv, pcmd_buff); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 406 | cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE; |
| 407 | break; |
| 408 | |
| 409 | case RX_TX_STATUS: |
| 410 | |
| 411 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_STATUS\n"); |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 412 | cmpk_handle_tx_status(priv, pcmd_buff); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 413 | cmd_length = CMPK_RX_TX_STS_SIZE; |
| 414 | break; |
| 415 | |
| 416 | case RX_TX_PER_PKT_FEEDBACK: |
| 417 | // You must at lease add a switch case element here, |
| 418 | // Otherwise, we will jump to default case. |
| 419 | //DbgPrint("CCX Test\r\n"); |
| 420 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_PER_PKT_FEEDBACK\n"); |
| 421 | cmd_length = CMPK_RX_TX_FB_SIZE; |
| 422 | break; |
| 423 | |
| 424 | case RX_TX_RATE_HISTORY: |
| 425 | //DbgPrint(" rx tx rate history\r\n"); |
| 426 | |
| 427 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():RX_TX_HISTORY\n"); |
Mike McCormack | 83970d9 | 2011-03-10 22:40:53 +0900 | [diff] [blame] | 428 | cmpk_handle_tx_rate_history(priv, pcmd_buff); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 429 | cmd_length = CMPK_TX_RAHIS_SIZE; |
| 430 | break; |
| 431 | |
| 432 | default: |
| 433 | |
André Goddard Rosa | bbc9a99 | 2009-11-14 13:09:06 -0200 | [diff] [blame] | 434 | RT_TRACE(COMP_EVENTS, "---->cmpk_message_handle_rx():unknown CMD Element\n"); |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 435 | return 1; /* This is a command packet. */ |
| 436 | } |
Greg Kroah-Hartman | ecdfa44 | 2009-08-04 15:57:55 -0700 | [diff] [blame] | 437 | |
| 438 | total_length -= cmd_length; |
| 439 | pcmd_buff += cmd_length; |
| 440 | } /* while (total_length > 0) */ |
| 441 | return 1; /* This is a command packet. */ |
| 442 | |
| 443 | RT_TRACE(COMP_EVENTS, "<----cmpk_message_handle_rx()\n"); |
Mike McCormack | d5abdf7 | 2010-09-08 22:03:59 +0900 | [diff] [blame] | 444 | } |