Pekka Enberg | 80aba53 | 2008-10-30 13:04:29 +0200 | [diff] [blame] | 1 | #include "mds_f.h" |
Pekka Enberg | 64328c8 | 2009-01-07 17:33:45 +0200 | [diff] [blame] | 2 | #include "mto.h" |
Pekka Enberg | b5ef076 | 2010-11-01 21:50:06 +0200 | [diff] [blame] | 3 | #include "wbhal.h" |
Pekka Enberg | 80aba53 | 2008-10-30 13:04:29 +0200 | [diff] [blame] | 4 | #include "wblinux_f.h" |
Pekka Enberg | 72ca881 | 2010-11-01 21:50:05 +0200 | [diff] [blame] | 5 | #include "wb35tx_f.h" |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 6 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 7 | unsigned char |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 8 | Mds_initial(struct wbsoft_priv *adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 9 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 10 | struct wb35_mds *pMds = &adapter->Mds; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 11 | |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 12 | pMds->TxPause = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 13 | pMds->TxRTSThreshold = DEFAULT_RTSThreshold; |
| 14 | pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; |
| 15 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 16 | return hal_get_tx_buffer(&adapter->sHwData, &pMds->pTxBuffer); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 17 | } |
| 18 | |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 19 | static void Mds_DurationSet(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *buffer) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 20 | { |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 21 | struct T00_descriptor *pT00; |
| 22 | struct T01_descriptor *pT01; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 23 | u16 Duration, NextBodyLen, OffsetSize; |
| 24 | u8 Rate, i; |
| 25 | unsigned char CTS_on = false, RTS_on = false; |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 26 | struct T00_descriptor *pNextT00; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 27 | u16 BodyLen = 0; |
| 28 | unsigned char boGroupAddr = false; |
| 29 | |
| 30 | OffsetSize = pDes->FragmentThreshold + 32 + 3; |
| 31 | OffsetSize &= ~0x03; |
| 32 | Rate = pDes->TxRate >> 1; |
| 33 | if (!Rate) |
| 34 | Rate = 1; |
| 35 | |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 36 | pT00 = (struct T00_descriptor *)buffer; |
| 37 | pT01 = (struct T01_descriptor *)(buffer+4); |
| 38 | pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 39 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 40 | if (buffer[DOT_11_DA_OFFSET+8] & 0x1) /* +8 for USB hdr */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 41 | boGroupAddr = true; |
| 42 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 43 | /****************************************** |
| 44 | * Set RTS/CTS mechanism |
| 45 | ******************************************/ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 46 | if (!boGroupAddr) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 47 | /* NOTE : If the protection mode is enabled and the MSDU will be fragmented, |
| 48 | * the tx rates of MPDUs will all be DSSS rates. So it will not use |
| 49 | * CTS-to-self in this case. CTS-To-self will only be used when without |
| 50 | * fragmentation. -- 20050112 */ |
| 51 | BodyLen = (u16)pT00->T00_frame_length; /* include 802.11 header */ |
| 52 | BodyLen += 4; /* CRC */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 53 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 54 | if (BodyLen >= CURRENT_RTS_THRESHOLD) |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 55 | RTS_on = true; /* Using RTS */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 56 | else { |
| 57 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
| 58 | if (CURRENT_PROTECT_MECHANISM) /* Is using protect */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 59 | CTS_on = true; /* Using CTS */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 64 | if (RTS_on || CTS_on) { |
| 65 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
| 66 | /* CTS duration |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 67 | * 2 SIFS + DATA transmit time + 1 ACK |
| 68 | * ACK Rate : 24 Mega bps |
| 69 | * ACK frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 70 | Duration = 2*DEFAULT_SIFSTIME + |
| 71 | 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 72 | ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym + |
| 73 | ((112 + 22 + 95)/96)*Tsym; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 74 | } else { /* DSSS */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 75 | /* CTS duration |
| 76 | * 2 SIFS + DATA transmit time + 1 ACK |
| 77 | * Rate : ?? Mega bps |
| 78 | * ACK frame length = 14 bytes */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 79 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 80 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 81 | else |
| 82 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 83 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 84 | Duration += (((BodyLen + 14)*8 + Rate-1) / Rate + |
| 85 | DEFAULT_SIFSTIME*2); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 86 | } |
| 87 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 88 | if (RTS_on) { |
| 89 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 90 | /* CTS + 1 SIFS + CTS duration |
| 91 | * CTS Rate : 24 Mega bps |
| 92 | * CTS frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 93 | Duration += (DEFAULT_SIFSTIME + |
| 94 | PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 95 | ((112 + 22 + 95)/96)*Tsym); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 96 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 97 | /* CTS + 1 SIFS + CTS duration |
| 98 | * CTS Rate : ?? Mega bps |
| 99 | * CTS frame length = 14 bytes */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 100 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 101 | Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 102 | else |
| 103 | Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 104 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 105 | Duration += (((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 106 | } |
| 107 | } |
| 108 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 109 | /* Set the value into USB descriptor */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 110 | pT01->T01_add_rts = RTS_on ? 1 : 0; |
| 111 | pT01->T01_add_cts = CTS_on ? 1 : 0; |
| 112 | pT01->T01_rts_cts_duration = Duration; |
| 113 | } |
| 114 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 115 | /****************************************** |
| 116 | * Fill the more fragment descriptor |
| 117 | ******************************************/ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 118 | if (boGroupAddr) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 119 | Duration = 0; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 120 | else { |
| 121 | for (i = pDes->FragmentCount-1; i > 0; i--) { |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 122 | NextBodyLen = (u16)pNextT00->T00_frame_length; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 123 | NextBodyLen += 4; /* CRC */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 124 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 125 | if (pT01->T01_modulation_type) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 126 | /* OFDM |
| 127 | * data transmit time + 3 SIFS + 2 ACK |
| 128 | * Rate : ??Mega bps |
| 129 | * ACK frame length = 14 bytes, tx rate = 24M */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 130 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3; |
| 131 | Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym + |
| 132 | (((2*14)*8 + 22 + 95)/96)*Tsym + |
| 133 | DEFAULT_SIFSTIME*3); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 134 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 135 | /* DSSS |
| 136 | * data transmit time + 2 ACK + 3 SIFS |
| 137 | * Rate : ??Mega bps |
| 138 | * ACK frame length = 14 bytes |
| 139 | * TODO : */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 140 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 141 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 142 | else |
| 143 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 144 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 145 | Duration += (((NextBodyLen + (2*14))*8 + Rate-1) / Rate + |
| 146 | DEFAULT_SIFSTIME*3); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 147 | } |
| 148 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 149 | ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 150 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 151 | /* ----20061009 add by anson's endian */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 152 | pNextT00->value = cpu_to_le32(pNextT00->value); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 153 | pT01->value = cpu_to_le32(pT01->value); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 154 | /* ----end 20061009 add by anson's endian */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 155 | |
| 156 | buffer += OffsetSize; |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 157 | pT01 = (struct T01_descriptor *)(buffer+4); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 158 | if (i != 1) /* The last fragment will not have the next fragment */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 159 | pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 160 | } |
| 161 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 162 | /******************************************* |
| 163 | * Fill the last fragment descriptor |
| 164 | *******************************************/ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 165 | if (pT01->T01_modulation_type) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 166 | /* OFDM |
| 167 | * 1 SIFS + 1 ACK |
| 168 | * Rate : 24 Mega bps |
| 169 | * ACK frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 170 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 171 | /* The Tx rate of ACK use 24M */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 172 | Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME); |
| 173 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 174 | /* DSSS |
| 175 | * 1 ACK + 1 SIFS |
| 176 | * Rate : ?? Mega bps |
| 177 | * ACK frame length = 14 bytes(112 bits) */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 178 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 179 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 180 | else |
| 181 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 182 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 183 | Duration += ((112 + Rate-1)/Rate + DEFAULT_SIFSTIME); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 184 | } |
| 185 | } |
| 186 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 187 | ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 188 | pT00->value = cpu_to_le32(pT00->value); |
| 189 | pT01->value = cpu_to_le32(pT01->value); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 190 | /* --end 20061009 add */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 191 | |
| 192 | } |
| 193 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 194 | /* The function return the 4n size of usb pk */ |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 195 | static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 196 | { |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 197 | struct T00_descriptor *pT00; |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 198 | struct wb35_mds *pMds = &adapter->Mds; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 199 | u8 *buffer; |
| 200 | u8 *src_buffer; |
| 201 | u8 *pctmp; |
| 202 | u16 Size = 0; |
| 203 | u16 SizeLeft, CopySize, CopyLeft, stmp; |
| 204 | u8 buf_index, FragmentCount = 0; |
| 205 | |
| 206 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 207 | /* Copy fragment body */ |
| 208 | buffer = TargetBuffer; /* shift 8B usb + 24B 802.11 */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 209 | SizeLeft = pDes->buffer_total_size; |
| 210 | buf_index = pDes->buffer_start_index; |
| 211 | |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 212 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 213 | while (SizeLeft) { |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 214 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 215 | CopySize = SizeLeft; |
| 216 | if (SizeLeft > pDes->FragmentThreshold) { |
| 217 | CopySize = pDes->FragmentThreshold; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 218 | pT00->T00_frame_length = 24 + CopySize; /* Set USB length */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 219 | } else |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 220 | pT00->T00_frame_length = 24 + SizeLeft; /* Set USB length */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 221 | |
| 222 | SizeLeft -= CopySize; |
| 223 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 224 | /* 1 Byte operation */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 225 | pctmp = (u8 *)(buffer + 8 + DOT_11_SEQUENCE_OFFSET); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 226 | *pctmp &= 0xf0; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 227 | *pctmp |= FragmentCount; /* 931130.5.m */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 228 | if (!FragmentCount) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 229 | pT00->T00_first_mpdu = 1; |
| 230 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 231 | buffer += 32; /* 8B usb + 24B 802.11 header */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 232 | Size += 32; |
| 233 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 234 | /* Copy into buffer */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 235 | stmp = CopySize + 3; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 236 | stmp &= ~0x03; /* 4n Alignment */ |
| 237 | Size += stmp; /* Current 4n offset of mpdu */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 238 | |
| 239 | while (CopySize) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 240 | /* Copy body */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 241 | src_buffer = pDes->buffer_address[buf_index]; |
| 242 | CopyLeft = CopySize; |
| 243 | if (CopySize >= pDes->buffer_size[buf_index]) { |
| 244 | CopyLeft = pDes->buffer_size[buf_index]; |
| 245 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 246 | /* Get the next buffer of descriptor */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 247 | buf_index++; |
| 248 | buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX; |
| 249 | } else { |
| 250 | u8 *pctmp = pDes->buffer_address[buf_index]; |
| 251 | pctmp += CopySize; |
| 252 | pDes->buffer_address[buf_index] = pctmp; |
| 253 | pDes->buffer_size[buf_index] -= CopySize; |
| 254 | } |
| 255 | |
| 256 | memcpy(buffer, src_buffer, CopyLeft); |
| 257 | buffer += CopyLeft; |
| 258 | CopySize -= CopyLeft; |
| 259 | } |
| 260 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 261 | /* 931130.5.n */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 262 | if (pMds->MicAdd) { |
| 263 | if (!SizeLeft) { |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 264 | pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - pMds->MicAdd; |
| 265 | pMds->MicWriteSize[pMds->MicWriteIndex] = pMds->MicAdd; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 266 | pMds->MicAdd = 0; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 267 | } else if (SizeLeft < 8) { /* 931130.5.p */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 268 | pMds->MicAdd = SizeLeft; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 269 | pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - (8 - SizeLeft); |
| 270 | pMds->MicWriteSize[pMds->MicWriteIndex] = 8 - SizeLeft; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 271 | pMds->MicWriteIndex++; |
| 272 | } |
| 273 | } |
| 274 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 275 | /* Does it need to generate the new header for next mpdu? */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 276 | if (SizeLeft) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 277 | buffer = TargetBuffer + Size; /* Get the next 4n start address */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 278 | memcpy(buffer, TargetBuffer, 32); /* Copy 8B USB +24B 802.11 */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 279 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 280 | pT00->T00_first_mpdu = 0; |
| 281 | } |
| 282 | |
| 283 | FragmentCount++; |
| 284 | } |
| 285 | |
| 286 | pT00->T00_last_mpdu = 1; |
| 287 | pT00->T00_IsLastMpdu = 1; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 288 | buffer = (u8 *)pT00 + 8; /* +8 for USB hdr */ |
| 289 | buffer[1] &= ~0x04; /* Clear more frag bit of 802.11 frame control */ |
| 290 | pDes->FragmentCount = FragmentCount; /* Update the correct fragment number */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 291 | return Size; |
| 292 | } |
| 293 | |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 294 | static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 295 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 296 | struct wb35_mds *pMds = &adapter->Mds; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 297 | u8 *src_buffer = pDes->buffer_address[0]; /* 931130.5.g */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 298 | struct T00_descriptor *pT00; |
| 299 | struct T01_descriptor *pT01; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 300 | u16 stmp; |
| 301 | u8 i, ctmp1, ctmp2, ctmpf; |
| 302 | u16 FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
| 303 | |
| 304 | |
| 305 | stmp = pDes->buffer_total_size; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 306 | /* |
| 307 | * Set USB header 8 byte |
| 308 | */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 309 | pT00 = (struct T00_descriptor *)TargetBuffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 310 | TargetBuffer += 4; |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 311 | pT01 = (struct T01_descriptor *)TargetBuffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 312 | TargetBuffer += 4; |
| 313 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 314 | pT00->value = 0; /* Clear */ |
| 315 | pT01->value = 0; /* Clear */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 316 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 317 | pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */ |
| 318 | pT00->T00_header_length = 24; /* Set header length */ |
| 319 | pT01->T01_retry_abort_ebable = 1; /* 921013 931130.5.h */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 320 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 321 | /* Key ID setup */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 322 | pT01->T01_wep_id = 0; |
| 323 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 324 | FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; /* Do not fragment */ |
| 325 | /* Copy full data, the 1'st buffer contain all the data 931130.5.j */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 326 | memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE); /* Copy header */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 327 | pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE; |
| 328 | pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE; |
| 329 | pDes->buffer_size[0] = pDes->buffer_total_size; |
| 330 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 331 | /* Set fragment threshold */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 332 | FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4); |
| 333 | pDes->FragmentThreshold = FragmentThreshold; |
| 334 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 335 | /* Set more frag bit */ |
| 336 | TargetBuffer[1] |= 0x04; /* Set more frag bit */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 337 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 338 | /* |
| 339 | * Set tx rate |
| 340 | */ |
| 341 | stmp = *(u16 *)(TargetBuffer+30); /* 2n alignment address */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 342 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 343 | /* Use basic rate */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 344 | ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG; |
| 345 | |
| 346 | pDes->TxRate = ctmp1; |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 347 | pr_debug("Tx rate =%x\n", ctmp1); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 348 | |
| 349 | pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1; |
| 350 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 351 | for (i = 0; i < 2; i++) { |
| 352 | if (i == 1) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 353 | ctmp1 = ctmpf; |
| 354 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 355 | pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; /* backup the ta rate and fall back rate */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 356 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 357 | if (ctmp1 == 108) |
| 358 | ctmp2 = 7; |
| 359 | else if (ctmp1 == 96) |
| 360 | ctmp2 = 6; /* Rate convert for USB */ |
| 361 | else if (ctmp1 == 72) |
| 362 | ctmp2 = 5; |
| 363 | else if (ctmp1 == 48) |
| 364 | ctmp2 = 4; |
| 365 | else if (ctmp1 == 36) |
| 366 | ctmp2 = 3; |
| 367 | else if (ctmp1 == 24) |
| 368 | ctmp2 = 2; |
| 369 | else if (ctmp1 == 18) |
| 370 | ctmp2 = 1; |
| 371 | else if (ctmp1 == 12) |
| 372 | ctmp2 = 0; |
| 373 | else if (ctmp1 == 22) |
| 374 | ctmp2 = 3; |
| 375 | else if (ctmp1 == 11) |
| 376 | ctmp2 = 2; |
| 377 | else if (ctmp1 == 4) |
| 378 | ctmp2 = 1; |
| 379 | else |
| 380 | ctmp2 = 0; /* if( ctmp1 == 2 ) or default */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 381 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 382 | if (i == 0) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 383 | pT01->T01_transmit_rate = ctmp2; |
| 384 | else |
| 385 | pT01->T01_fall_back_rate = ctmp2; |
| 386 | } |
| 387 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 388 | /* |
| 389 | * Set preamble type |
| 390 | */ |
| 391 | if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) /* RATE_1M */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 392 | pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG; |
| 393 | else |
| 394 | pDes->PreambleMode = CURRENT_PREAMBLE_MODE; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 395 | pT01->T01_plcp_header_length = pDes->PreambleMode; /* Set preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 396 | |
| 397 | } |
| 398 | |
Pekka Enberg | 01b5cee | 2010-11-28 23:00:05 +0200 | [diff] [blame^] | 399 | static void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *desc) |
| 400 | { |
| 401 | desc->InternalUsed = desc->buffer_start_index + desc->buffer_number; |
| 402 | desc->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX; |
| 403 | desc->buffer_address[desc->InternalUsed] = adapter->sMlmeFrame.pMMPDU; |
| 404 | desc->buffer_size[desc->InternalUsed] = adapter->sMlmeFrame.len; |
| 405 | desc->buffer_total_size += adapter->sMlmeFrame.len; |
| 406 | desc->buffer_number++; |
| 407 | desc->Type = adapter->sMlmeFrame.DataType; |
| 408 | } |
| 409 | |
| 410 | static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData) |
| 411 | { |
| 412 | int i; |
| 413 | |
| 414 | /* Reclaim the data buffer */ |
| 415 | for (i = 0; i < MAX_NUM_TX_MMPDU; i++) { |
| 416 | if (pData == (s8 *)&(adapter->sMlmeFrame.TxMMPDU[i])) |
| 417 | break; |
| 418 | } |
| 419 | if (adapter->sMlmeFrame.TxMMPDUInUse[i]) |
| 420 | adapter->sMlmeFrame.TxMMPDUInUse[i] = false; |
| 421 | else { |
| 422 | /* Something wrong |
| 423 | PD43 Add debug code here??? */ |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | static void MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, unsigned char SendOK) |
| 428 | { |
| 429 | /* Reclaim the data buffer */ |
| 430 | adapter->sMlmeFrame.len = 0; |
| 431 | MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU); |
| 432 | |
| 433 | /* Return resource */ |
| 434 | adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE; |
| 435 | } |
| 436 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 437 | void |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 438 | Mds_Tx(struct wbsoft_priv *adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 439 | { |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 440 | struct hw_data *pHwData = &adapter->sHwData; |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 441 | struct wb35_mds *pMds = &adapter->Mds; |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 442 | struct wb35_descriptor TxDes; |
| 443 | struct wb35_descriptor *pTxDes = &TxDes; |
Pekka Enberg | 8b384e0 | 2008-10-21 00:03:41 +0300 | [diff] [blame] | 444 | u8 *XmitBufAddress; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 445 | u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold; |
| 446 | u8 FillIndex, TxDesIndex, FragmentCount, FillCount; |
Pekka Enberg | 3b05574 | 2009-03-02 12:19:57 +0200 | [diff] [blame] | 447 | unsigned char BufferFilled = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 448 | |
| 449 | |
| 450 | if (pMds->TxPause) |
| 451 | return; |
| 452 | if (!hal_driver_init_OK(pHwData)) |
| 453 | return; |
| 454 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 455 | /* Only one thread can be run here */ |
Diego Liziero | 290d4c2 | 2009-04-14 04:33:54 +0200 | [diff] [blame] | 456 | if (atomic_inc_return(&pMds->TxThreadCount) != 1) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 457 | goto cleanup; |
| 458 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 459 | /* Start to fill the data */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 460 | do { |
| 461 | FillIndex = pMds->TxFillIndex; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 462 | if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */ |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 463 | pr_debug("[Mds_Tx] Tx Owner is H/W.\n"); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 464 | break; |
| 465 | } |
| 466 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 467 | XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 468 | XmitBufSize = 0; |
| 469 | FillCount = 0; |
| 470 | do { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 471 | PacketSize = adapter->sMlmeFrame.len; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 472 | if (!PacketSize) |
| 473 | break; |
| 474 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 475 | /* For Check the buffer resource */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 476 | FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 477 | /* 931130.5.b */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 478 | FragmentCount = PacketSize/FragmentThreshold + 1; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 479 | stmp = PacketSize + FragmentCount*32 + 8; /* 931130.5.c 8:MIC */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 480 | if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) { |
| 481 | printk("[Mds_Tx] Excess max tx buffer.\n"); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 482 | break; /* buffer is not enough */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 486 | /* |
| 487 | * Start transmitting |
| 488 | */ |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 489 | BufferFilled = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 490 | |
| 491 | /* Leaves first u8 intact */ |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 492 | memset((u8 *)pTxDes + 1, 0, sizeof(struct wb35_descriptor) - 1); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 493 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 494 | TxDesIndex = pMds->TxDesIndex; /* Get the current ID */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 495 | pTxDes->Descriptor_ID = TxDesIndex; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 496 | pMds->TxDesFrom[TxDesIndex] = 2; /* Storing the information of source comming from */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 497 | pMds->TxDesIndex++; |
| 498 | pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR; |
| 499 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 500 | MLME_GetNextPacket(adapter, pTxDes); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 501 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 502 | /* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 503 | Mds_HeaderCopy(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 504 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 505 | /* For speed up Key setting */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 506 | if (pTxDes->EapFix) { |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 507 | pr_debug("35: EPA 4th frame detected. Size = %d\n", PacketSize); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 508 | pHwData->IsKeyPreSet = 1; |
| 509 | } |
| 510 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 511 | /* Copy (fragment) frame body, and set USB, 802.11 hdr flag */ |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 512 | CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 513 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 514 | /* Set RTS/CTS and Normal duration field into buffer */ |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 515 | Mds_DurationSet(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 516 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 517 | /* Shift to the next address */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 518 | XmitBufSize += CurrentSize; |
| 519 | XmitBufAddress += CurrentSize; |
| 520 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 521 | /* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */ |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 522 | MLME_SendComplete(adapter, 0, true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 523 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 524 | /* Software TSC count 20060214 */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 525 | pMds->TxTsc++; |
| 526 | if (pMds->TxTsc == 0) |
| 527 | pMds->TxTsc_2++; |
| 528 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 529 | FillCount++; /* 20060928 */ |
| 530 | } while (HAL_USB_MODE_BURST(pHwData)); /* End of multiple MSDU copy loop. false = single true = multiple sending */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 531 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 532 | /* Move to the next one, if necessary */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 533 | if (BufferFilled) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 534 | /* size setting */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 535 | pMds->TxBufferSize[FillIndex] = XmitBufSize; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 536 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 537 | /* 20060928 set Tx count */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 538 | pMds->TxCountInBuffer[FillIndex] = FillCount; |
| 539 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 540 | /* Set owner flag */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 541 | pMds->TxOwner[FillIndex] = 1; |
| 542 | |
| 543 | pMds->TxFillIndex++; |
| 544 | pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 545 | BufferFilled = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 546 | } else |
| 547 | break; |
| 548 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 549 | if (!PacketSize) /* No more pk for transmitting */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 550 | break; |
| 551 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 552 | } while (true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 553 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 554 | /* |
| 555 | * Start to send by lower module |
| 556 | */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 557 | if (!pHwData->IsKeyPreSet) |
Pekka Enberg | 42c84bb | 2008-10-30 16:14:36 +0200 | [diff] [blame] | 558 | Wb35Tx_start(adapter); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 559 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 560 | cleanup: |
| 561 | atomic_dec(&pMds->TxThreadCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | void |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 565 | Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 566 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 567 | struct wb35_mds *pMds = &adapter->Mds; |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 568 | struct hw_data *pHwData = &adapter->sHwData; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 569 | u8 PacketId = (u8)pT02->T02_Tx_PktID; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 570 | unsigned char SendOK = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 571 | u8 RetryCount, TxRate; |
| 572 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 573 | if (pT02->T02_IgnoreResult) /* Don't care the result */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 574 | return; |
| 575 | if (pT02->T02_IsLastMpdu) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 576 | /* TODO: DTO -- get the retry count and fragment count */ |
| 577 | /* Tx rate */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 578 | TxRate = pMds->TxRate[PacketId][0]; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 579 | RetryCount = (u8)pT02->T02_MPDU_Cnt; |
| 580 | if (pT02->value & FLAG_ERROR_TX_MASK) { |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 581 | SendOK = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 582 | |
| 583 | if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 584 | /* retry error */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 585 | pHwData->dto_tx_retry_count += (RetryCount+1); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 586 | /* [for tx debug] */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 587 | if (RetryCount < 7) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 588 | pHwData->tx_retry_count[RetryCount] += RetryCount; |
| 589 | else |
| 590 | pHwData->tx_retry_count[7] += RetryCount; |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 591 | pr_debug("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count); |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 592 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 593 | } |
| 594 | pHwData->dto_tx_frag_count += (RetryCount+1); |
| 595 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 596 | /* [for tx debug] */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 597 | if (pT02->T02_transmit_abort_due_to_TBTT) |
| 598 | pHwData->tx_TBTT_start_count++; |
| 599 | if (pT02->T02_transmit_without_encryption_due_to_wep_on_false) |
| 600 | pHwData->tx_WepOn_false_count++; |
| 601 | if (pT02->T02_discard_due_to_null_wep_key) |
| 602 | pHwData->tx_Null_key_count++; |
| 603 | } else { |
| 604 | if (pT02->T02_effective_transmission_rate) |
| 605 | pHwData->tx_ETR_count++; |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 606 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 607 | } |
| 608 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 609 | /* Clear send result buffer */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 610 | pMds->TxResult[PacketId] = 0; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 611 | } else |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 612 | pMds->TxResult[PacketId] |= ((u16)(pT02->value & 0x0ffff)); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 613 | } |