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 | 72ca881 | 2010-11-01 21:50:05 +0200 | [diff] [blame] | 4 | #include "wb35tx_f.h" |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 5 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 6 | unsigned char |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 7 | Mds_initial(struct wbsoft_priv *adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 8 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 9 | struct wb35_mds *pMds = &adapter->Mds; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 10 | |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 11 | pMds->TxPause = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 12 | pMds->TxRTSThreshold = DEFAULT_RTSThreshold; |
| 13 | pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; |
| 14 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 15 | return hal_get_tx_buffer(&adapter->sHwData, &pMds->pTxBuffer); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 16 | } |
| 17 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 18 | static void Mds_DurationSet(struct wbsoft_priv *adapter, |
| 19 | 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) { |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 47 | /* NOTE : If the protection mode is enabled and the MSDU will |
| 48 | * be fragmented, the tx rates of MPDUs will all be DSSS |
| 49 | * rates. So it will not use CTS-to-self in this case. |
| 50 | * CTS-To-self will only be used when without |
| 51 | * fragmentation. -- 20050112 */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 52 | BodyLen = (u16)pT00->T00_frame_length; /* include 802.11 header */ |
| 53 | BodyLen += 4; /* CRC */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 54 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 55 | if (BodyLen >= CURRENT_RTS_THRESHOLD) |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 56 | RTS_on = true; /* Using RTS */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 57 | else { |
| 58 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
| 59 | if (CURRENT_PROTECT_MECHANISM) /* Is using protect */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 60 | CTS_on = true; /* Using CTS */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 65 | if (RTS_on || CTS_on) { |
| 66 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
| 67 | /* CTS duration |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 68 | * 2 SIFS + DATA transmit time + 1 ACK |
| 69 | * ACK Rate : 24 Mega bps |
| 70 | * ACK frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 71 | Duration = 2*DEFAULT_SIFSTIME + |
| 72 | 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 73 | ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym + |
| 74 | ((112 + 22 + 95)/96)*Tsym; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 75 | } else { /* DSSS */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 76 | /* CTS duration |
| 77 | * 2 SIFS + DATA transmit time + 1 ACK |
| 78 | * Rate : ?? Mega bps |
| 79 | * ACK frame length = 14 bytes */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 80 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 81 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 82 | else |
| 83 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 84 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 85 | Duration += (((BodyLen + 14)*8 + Rate-1) / Rate + |
| 86 | DEFAULT_SIFSTIME*2); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 87 | } |
| 88 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 89 | if (RTS_on) { |
| 90 | if (pT01->T01_modulation_type) { /* Is using OFDM */ |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 91 | /* CTS + 1 SIFS + CTS duration |
| 92 | * CTS Rate : 24 Mega bps |
| 93 | * CTS frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 94 | Duration += (DEFAULT_SIFSTIME + |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 95 | PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 96 | ((112 + 22 + 95)/96)*Tsym); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 97 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 98 | /* CTS + 1 SIFS + CTS duration |
| 99 | * CTS Rate : ?? Mega bps |
| 100 | * CTS frame length = 14 bytes */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 101 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 102 | Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 103 | else |
| 104 | Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 105 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 106 | Duration += (((112 + Rate-1) / Rate) + |
| 107 | DEFAULT_SIFSTIME); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 108 | } |
| 109 | } |
| 110 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 111 | /* Set the value into USB descriptor */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 112 | pT01->T01_add_rts = RTS_on ? 1 : 0; |
| 113 | pT01->T01_add_cts = CTS_on ? 1 : 0; |
| 114 | pT01->T01_rts_cts_duration = Duration; |
| 115 | } |
| 116 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 117 | /****************************************** |
| 118 | * Fill the more fragment descriptor |
| 119 | ******************************************/ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 120 | if (boGroupAddr) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 121 | Duration = 0; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 122 | else { |
| 123 | for (i = pDes->FragmentCount-1; i > 0; i--) { |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 124 | NextBodyLen = (u16)pNextT00->T00_frame_length; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 125 | NextBodyLen += 4; /* CRC */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 126 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 127 | if (pT01->T01_modulation_type) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 128 | /* OFDM |
| 129 | * data transmit time + 3 SIFS + 2 ACK |
| 130 | * Rate : ??Mega bps |
| 131 | * ACK frame length = 14 bytes, tx rate = 24M */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 132 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3; |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 133 | Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1) |
| 134 | /(Rate*4)) * Tsym + |
| 135 | (((2*14)*8 + 22 + 95)/96)*Tsym + |
| 136 | DEFAULT_SIFSTIME*3); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 137 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 138 | /* DSSS |
| 139 | * data transmit time + 2 ACK + 3 SIFS |
| 140 | * Rate : ??Mega bps |
| 141 | * ACK frame length = 14 bytes |
| 142 | * TODO : */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 143 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 144 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 145 | else |
| 146 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 147 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 148 | Duration += (((NextBodyLen + (2*14))*8 |
| 149 | + Rate-1) / Rate + |
| 150 | DEFAULT_SIFSTIME*3); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 151 | } |
| 152 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 153 | ((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] | 154 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 155 | /* ----20061009 add by anson's endian */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 156 | pNextT00->value = cpu_to_le32(pNextT00->value); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 157 | pT01->value = cpu_to_le32(pT01->value); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 158 | /* ----end 20061009 add by anson's endian */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 159 | |
| 160 | buffer += OffsetSize; |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 161 | pT01 = (struct T01_descriptor *)(buffer+4); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 162 | if (i != 1) /* The last fragment will not have the next fragment */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 163 | pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 164 | } |
| 165 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 166 | /******************************************* |
| 167 | * Fill the last fragment descriptor |
| 168 | *******************************************/ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 169 | if (pT01->T01_modulation_type) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 170 | /* OFDM |
| 171 | * 1 SIFS + 1 ACK |
| 172 | * Rate : 24 Mega bps |
| 173 | * ACK frame length = 14 bytes */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 174 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 175 | /* The Tx rate of ACK use 24M */ |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 176 | Duration += (((112 + 22 + 95)/96)*Tsym + |
| 177 | DEFAULT_SIFSTIME); |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 178 | } else { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 179 | /* DSSS |
| 180 | * 1 ACK + 1 SIFS |
| 181 | * Rate : ?? Mega bps |
| 182 | * ACK frame length = 14 bytes(112 bits) */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 183 | if (pT01->T01_plcp_header_length) /* long preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 184 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 185 | else |
| 186 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 187 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 188 | Duration += ((112 + Rate-1)/Rate + DEFAULT_SIFSTIME); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 192 | ((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] | 193 | pT00->value = cpu_to_le32(pT00->value); |
| 194 | pT01->value = cpu_to_le32(pT01->value); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 195 | /* --end 20061009 add */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 196 | |
| 197 | } |
| 198 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 199 | /* The function return the 4n size of usb pk */ |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 200 | static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, |
| 201 | struct wb35_descriptor *pDes, u8 *TargetBuffer) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 202 | { |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 203 | struct T00_descriptor *pT00; |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 204 | struct wb35_mds *pMds = &adapter->Mds; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 205 | u8 *buffer; |
| 206 | u8 *src_buffer; |
| 207 | u8 *pctmp; |
| 208 | u16 Size = 0; |
| 209 | u16 SizeLeft, CopySize, CopyLeft, stmp; |
| 210 | u8 buf_index, FragmentCount = 0; |
| 211 | |
| 212 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 213 | /* Copy fragment body */ |
| 214 | buffer = TargetBuffer; /* shift 8B usb + 24B 802.11 */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 215 | SizeLeft = pDes->buffer_total_size; |
| 216 | buf_index = pDes->buffer_start_index; |
| 217 | |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 218 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 219 | while (SizeLeft) { |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 220 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 221 | CopySize = SizeLeft; |
| 222 | if (SizeLeft > pDes->FragmentThreshold) { |
| 223 | CopySize = pDes->FragmentThreshold; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 224 | pT00->T00_frame_length = 24 + CopySize; /* Set USB length */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 225 | } else |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 226 | pT00->T00_frame_length = 24 + SizeLeft; /* Set USB length */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 227 | |
| 228 | SizeLeft -= CopySize; |
| 229 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 230 | /* 1 Byte operation */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 231 | pctmp = (u8 *)(buffer + 8 + DOT_11_SEQUENCE_OFFSET); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 232 | *pctmp &= 0xf0; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 233 | *pctmp |= FragmentCount; /* 931130.5.m */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 234 | if (!FragmentCount) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 235 | pT00->T00_first_mpdu = 1; |
| 236 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 237 | buffer += 32; /* 8B usb + 24B 802.11 header */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 238 | Size += 32; |
| 239 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 240 | /* Copy into buffer */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 241 | stmp = CopySize + 3; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 242 | stmp &= ~0x03; /* 4n Alignment */ |
| 243 | Size += stmp; /* Current 4n offset of mpdu */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 244 | |
| 245 | while (CopySize) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 246 | /* Copy body */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 247 | src_buffer = pDes->buffer_address[buf_index]; |
| 248 | CopyLeft = CopySize; |
| 249 | if (CopySize >= pDes->buffer_size[buf_index]) { |
| 250 | CopyLeft = pDes->buffer_size[buf_index]; |
| 251 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 252 | /* Get the next buffer of descriptor */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 253 | buf_index++; |
| 254 | buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX; |
| 255 | } else { |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 256 | u8 *pctmp = pDes->buffer_address[buf_index]; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 257 | pctmp += CopySize; |
| 258 | pDes->buffer_address[buf_index] = pctmp; |
| 259 | pDes->buffer_size[buf_index] -= CopySize; |
| 260 | } |
| 261 | |
| 262 | memcpy(buffer, src_buffer, CopyLeft); |
| 263 | buffer += CopyLeft; |
| 264 | CopySize -= CopyLeft; |
| 265 | } |
| 266 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 267 | /* 931130.5.n */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 268 | if (pMds->MicAdd) { |
| 269 | if (!SizeLeft) { |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 270 | pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - pMds->MicAdd; |
| 271 | pMds->MicWriteSize[pMds->MicWriteIndex] = pMds->MicAdd; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 272 | pMds->MicAdd = 0; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 273 | } else if (SizeLeft < 8) { /* 931130.5.p */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 274 | pMds->MicAdd = SizeLeft; |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 275 | pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - (8 - SizeLeft); |
| 276 | pMds->MicWriteSize[pMds->MicWriteIndex] = 8 - SizeLeft; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 277 | pMds->MicWriteIndex++; |
| 278 | } |
| 279 | } |
| 280 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 281 | /* Does it need to generate the new header for next mpdu? */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 282 | if (SizeLeft) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 283 | buffer = TargetBuffer + Size; /* Get the next 4n start address */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 284 | memcpy(buffer, TargetBuffer, 32); /* Copy 8B USB +24B 802.11 */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 285 | pT00 = (struct T00_descriptor *)buffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 286 | pT00->T00_first_mpdu = 0; |
| 287 | } |
| 288 | |
| 289 | FragmentCount++; |
| 290 | } |
| 291 | |
| 292 | pT00->T00_last_mpdu = 1; |
| 293 | pT00->T00_IsLastMpdu = 1; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 294 | buffer = (u8 *)pT00 + 8; /* +8 for USB hdr */ |
| 295 | buffer[1] &= ~0x04; /* Clear more frag bit of 802.11 frame control */ |
| 296 | pDes->FragmentCount = FragmentCount; /* Update the correct fragment number */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 297 | return Size; |
| 298 | } |
| 299 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 300 | static void Mds_HeaderCopy(struct wbsoft_priv *adapter, |
| 301 | struct wb35_descriptor *pDes, u8 *TargetBuffer) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 302 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 303 | struct wb35_mds *pMds = &adapter->Mds; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 304 | u8 *src_buffer = pDes->buffer_address[0]; /* 931130.5.g */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 305 | struct T00_descriptor *pT00; |
| 306 | struct T01_descriptor *pT01; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 307 | u16 stmp; |
| 308 | u8 i, ctmp1, ctmp2, ctmpf; |
| 309 | u16 FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
| 310 | |
| 311 | |
| 312 | stmp = pDes->buffer_total_size; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 313 | /* |
| 314 | * Set USB header 8 byte |
| 315 | */ |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 316 | pT00 = (struct T00_descriptor *)TargetBuffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 317 | TargetBuffer += 4; |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 318 | pT01 = (struct T01_descriptor *)TargetBuffer; |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 319 | TargetBuffer += 4; |
| 320 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 321 | pT00->value = 0; /* Clear */ |
| 322 | pT01->value = 0; /* Clear */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 323 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 324 | pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */ |
| 325 | pT00->T00_header_length = 24; /* Set header length */ |
Justin P. Mattock | 5ee60a7 | 2012-10-22 23:22:22 -0700 | [diff] [blame] | 326 | pT01->T01_retry_abort_enable = 1; /* 921013 931130.5.h */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 327 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 328 | /* Key ID setup */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 329 | pT01->T01_wep_id = 0; |
| 330 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 331 | FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; /* Do not fragment */ |
| 332 | /* 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] | 333 | memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE); /* Copy header */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 334 | pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE; |
| 335 | pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE; |
| 336 | pDes->buffer_size[0] = pDes->buffer_total_size; |
| 337 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 338 | /* Set fragment threshold */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 339 | FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4); |
| 340 | pDes->FragmentThreshold = FragmentThreshold; |
| 341 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 342 | /* Set more frag bit */ |
| 343 | TargetBuffer[1] |= 0x04; /* Set more frag bit */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 344 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 345 | /* |
| 346 | * Set tx rate |
| 347 | */ |
| 348 | stmp = *(u16 *)(TargetBuffer+30); /* 2n alignment address */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 349 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 350 | /* Use basic rate */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 351 | ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG; |
| 352 | |
| 353 | pDes->TxRate = ctmp1; |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 354 | pr_debug("Tx rate =%x\n", ctmp1); |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 355 | |
| 356 | pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1; |
| 357 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 358 | for (i = 0; i < 2; i++) { |
| 359 | if (i == 1) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 360 | ctmp1 = ctmpf; |
| 361 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 362 | 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] | 363 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 364 | if (ctmp1 == 108) |
| 365 | ctmp2 = 7; |
| 366 | else if (ctmp1 == 96) |
| 367 | ctmp2 = 6; /* Rate convert for USB */ |
| 368 | else if (ctmp1 == 72) |
| 369 | ctmp2 = 5; |
| 370 | else if (ctmp1 == 48) |
| 371 | ctmp2 = 4; |
| 372 | else if (ctmp1 == 36) |
| 373 | ctmp2 = 3; |
| 374 | else if (ctmp1 == 24) |
| 375 | ctmp2 = 2; |
| 376 | else if (ctmp1 == 18) |
| 377 | ctmp2 = 1; |
| 378 | else if (ctmp1 == 12) |
| 379 | ctmp2 = 0; |
| 380 | else if (ctmp1 == 22) |
| 381 | ctmp2 = 3; |
| 382 | else if (ctmp1 == 11) |
| 383 | ctmp2 = 2; |
| 384 | else if (ctmp1 == 4) |
| 385 | ctmp2 = 1; |
| 386 | else |
| 387 | ctmp2 = 0; /* if( ctmp1 == 2 ) or default */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 388 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 389 | if (i == 0) |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 390 | pT01->T01_transmit_rate = ctmp2; |
| 391 | else |
| 392 | pT01->T01_fall_back_rate = ctmp2; |
| 393 | } |
| 394 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 395 | /* |
| 396 | * Set preamble type |
| 397 | */ |
| 398 | 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] | 399 | pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG; |
| 400 | else |
| 401 | pDes->PreambleMode = CURRENT_PREAMBLE_MODE; |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 402 | pT01->T01_plcp_header_length = pDes->PreambleMode; /* Set preamble */ |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame] | 403 | |
| 404 | } |
| 405 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 406 | static void MLME_GetNextPacket(struct wbsoft_priv *adapter, |
| 407 | struct wb35_descriptor *desc) |
Pekka Enberg | 01b5cee | 2010-11-28 23:00:05 +0200 | [diff] [blame] | 408 | { |
| 409 | desc->InternalUsed = desc->buffer_start_index + desc->buffer_number; |
| 410 | desc->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX; |
| 411 | desc->buffer_address[desc->InternalUsed] = adapter->sMlmeFrame.pMMPDU; |
| 412 | desc->buffer_size[desc->InternalUsed] = adapter->sMlmeFrame.len; |
| 413 | desc->buffer_total_size += adapter->sMlmeFrame.len; |
| 414 | desc->buffer_number++; |
Ashvini Varatharaj | f68cae4 | 2013-10-21 19:27:30 +0530 | [diff] [blame^] | 415 | desc->Type = adapter->sMlmeFrame.data_type; |
Pekka Enberg | 01b5cee | 2010-11-28 23:00:05 +0200 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData) |
| 419 | { |
| 420 | int i; |
| 421 | |
| 422 | /* Reclaim the data buffer */ |
| 423 | for (i = 0; i < MAX_NUM_TX_MMPDU; i++) { |
| 424 | if (pData == (s8 *)&(adapter->sMlmeFrame.TxMMPDU[i])) |
| 425 | break; |
| 426 | } |
| 427 | if (adapter->sMlmeFrame.TxMMPDUInUse[i]) |
| 428 | adapter->sMlmeFrame.TxMMPDUInUse[i] = false; |
| 429 | else { |
| 430 | /* Something wrong |
| 431 | PD43 Add debug code here??? */ |
| 432 | } |
| 433 | } |
| 434 | |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 435 | static void MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, |
| 436 | unsigned char SendOK) |
Pekka Enberg | 01b5cee | 2010-11-28 23:00:05 +0200 | [diff] [blame] | 437 | { |
| 438 | /* Reclaim the data buffer */ |
| 439 | adapter->sMlmeFrame.len = 0; |
| 440 | MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU); |
| 441 | |
| 442 | /* Return resource */ |
Ashvini Varatharaj | f68cae4 | 2013-10-21 19:27:30 +0530 | [diff] [blame^] | 443 | adapter->sMlmeFrame.is_in_used = PACKET_FREE_TO_USE; |
Pekka Enberg | 01b5cee | 2010-11-28 23:00:05 +0200 | [diff] [blame] | 444 | } |
| 445 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 446 | void |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 447 | Mds_Tx(struct wbsoft_priv *adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 448 | { |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 449 | struct hw_data *pHwData = &adapter->sHwData; |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 450 | struct wb35_mds *pMds = &adapter->Mds; |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 451 | struct wb35_descriptor TxDes; |
| 452 | struct wb35_descriptor *pTxDes = &TxDes; |
Iker Pedrosa | a4f533f | 2013-08-05 11:58:30 +0200 | [diff] [blame] | 453 | u8 *XmitBufAddress; |
| 454 | u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold; |
| 455 | u8 FillIndex, TxDesIndex, FragmentCount, FillCount; |
Pekka Enberg | 3b05574 | 2009-03-02 12:19:57 +0200 | [diff] [blame] | 456 | unsigned char BufferFilled = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 457 | |
| 458 | |
| 459 | if (pMds->TxPause) |
| 460 | return; |
| 461 | if (!hal_driver_init_OK(pHwData)) |
| 462 | return; |
| 463 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 464 | /* Only one thread can be run here */ |
Diego Liziero | 290d4c2 | 2009-04-14 04:33:54 +0200 | [diff] [blame] | 465 | if (atomic_inc_return(&pMds->TxThreadCount) != 1) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 466 | goto cleanup; |
| 467 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 468 | /* Start to fill the data */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 469 | do { |
| 470 | FillIndex = pMds->TxFillIndex; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 471 | if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */ |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 472 | pr_debug("[Mds_Tx] Tx Owner is H/W.\n"); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 473 | break; |
| 474 | } |
| 475 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 476 | XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 477 | XmitBufSize = 0; |
| 478 | FillCount = 0; |
| 479 | do { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 480 | PacketSize = adapter->sMlmeFrame.len; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 481 | if (!PacketSize) |
| 482 | break; |
| 483 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 484 | /* For Check the buffer resource */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 485 | FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 486 | /* 931130.5.b */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 487 | FragmentCount = PacketSize/FragmentThreshold + 1; |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 488 | stmp = PacketSize + FragmentCount*32 + 8; /* 931130.5.c 8:MIC */ |
Adil Mujeeb | 2820663 | 2012-11-08 00:20:01 +0530 | [diff] [blame] | 489 | if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 490 | break; /* buffer is not enough */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 491 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 492 | /* |
| 493 | * Start transmitting |
| 494 | */ |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 495 | BufferFilled = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 496 | |
| 497 | /* Leaves first u8 intact */ |
Pekka Enberg | 27d4642 | 2009-08-12 11:03:36 +0300 | [diff] [blame] | 498 | memset((u8 *)pTxDes + 1, 0, sizeof(struct wb35_descriptor) - 1); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 499 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 500 | TxDesIndex = pMds->TxDesIndex; /* Get the current ID */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 501 | pTxDes->Descriptor_ID = TxDesIndex; |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 502 | pMds->TxDesFrom[TxDesIndex] = 2; /* Storing the information of source coming from */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 503 | pMds->TxDesIndex++; |
| 504 | pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR; |
| 505 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 506 | MLME_GetNextPacket(adapter, pTxDes); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 507 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 508 | /* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 509 | Mds_HeaderCopy(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 510 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 511 | /* For speed up Key setting */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 512 | if (pTxDes->EapFix) { |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 513 | pr_debug("35: EPA 4th frame detected. Size = %d\n", PacketSize); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 514 | pHwData->IsKeyPreSet = 1; |
| 515 | } |
| 516 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 517 | /* Copy (fragment) frame body, and set USB, 802.11 hdr flag */ |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 518 | CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 519 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 520 | /* Set RTS/CTS and Normal duration field into buffer */ |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 521 | Mds_DurationSet(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 522 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 523 | /* Shift to the next address */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 524 | XmitBufSize += CurrentSize; |
| 525 | XmitBufAddress += CurrentSize; |
| 526 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 527 | /* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */ |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 528 | MLME_SendComplete(adapter, 0, true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 529 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 530 | /* Software TSC count 20060214 */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 531 | pMds->TxTsc++; |
| 532 | if (pMds->TxTsc == 0) |
| 533 | pMds->TxTsc_2++; |
| 534 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 535 | FillCount++; /* 20060928 */ |
| 536 | } 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] | 537 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 538 | /* Move to the next one, if necessary */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 539 | if (BufferFilled) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 540 | /* size setting */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 541 | pMds->TxBufferSize[FillIndex] = XmitBufSize; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 542 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 543 | /* 20060928 set Tx count */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 544 | pMds->TxCountInBuffer[FillIndex] = FillCount; |
| 545 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 546 | /* Set owner flag */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 547 | pMds->TxOwner[FillIndex] = 1; |
| 548 | |
| 549 | pMds->TxFillIndex++; |
| 550 | pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 551 | BufferFilled = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 552 | } else |
| 553 | break; |
| 554 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 555 | if (!PacketSize) /* No more pk for transmitting */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 556 | break; |
| 557 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 558 | } while (true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 559 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 560 | /* |
| 561 | * Start to send by lower module |
| 562 | */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 563 | if (!pHwData->IsKeyPreSet) |
Pekka Enberg | 42c84bb | 2008-10-30 16:14:36 +0200 | [diff] [blame] | 564 | Wb35Tx_start(adapter); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 565 | |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 566 | cleanup: |
| 567 | atomic_dec(&pMds->TxThreadCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | void |
Pekka Enberg | c4d562a | 2010-09-19 12:28:38 +0300 | [diff] [blame] | 571 | Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 572 | { |
Pekka Enberg | b7caf94 | 2009-08-12 11:03:33 +0300 | [diff] [blame] | 573 | struct wb35_mds *pMds = &adapter->Mds; |
Adam Latham | 973267a | 2010-05-15 09:38:44 +0100 | [diff] [blame] | 574 | struct hw_data *pHwData = &adapter->sHwData; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 575 | u8 PacketId = (u8)pT02->T02_Tx_PktID; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 576 | unsigned char SendOK = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 577 | u8 RetryCount, TxRate; |
| 578 | |
Justin P. Mattock | a31f7f5 | 2012-09-03 08:06:02 -0700 | [diff] [blame] | 579 | if (pT02->T02_IgnoreResult) /* Don't care about the result */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 580 | return; |
| 581 | if (pT02->T02_IsLastMpdu) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 582 | /* TODO: DTO -- get the retry count and fragment count */ |
| 583 | /* Tx rate */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 584 | TxRate = pMds->TxRate[PacketId][0]; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 585 | RetryCount = (u8)pT02->T02_MPDU_Cnt; |
| 586 | if (pT02->value & FLAG_ERROR_TX_MASK) { |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 587 | SendOK = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 588 | |
| 589 | if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) { |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 590 | /* retry error */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 591 | pHwData->dto_tx_retry_count += (RetryCount+1); |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 592 | /* [for tx debug] */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 593 | if (RetryCount < 7) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 594 | pHwData->tx_retry_count[RetryCount] += RetryCount; |
| 595 | else |
| 596 | pHwData->tx_retry_count[7] += RetryCount; |
Pekka Enberg | 2855bb7 | 2010-11-28 23:00:00 +0200 | [diff] [blame] | 597 | 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] | 598 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 599 | } |
| 600 | pHwData->dto_tx_frag_count += (RetryCount+1); |
| 601 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 602 | /* [for tx debug] */ |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 603 | if (pT02->T02_transmit_abort_due_to_TBTT) |
| 604 | pHwData->tx_TBTT_start_count++; |
| 605 | if (pT02->T02_transmit_without_encryption_due_to_wep_on_false) |
| 606 | pHwData->tx_WepOn_false_count++; |
| 607 | if (pT02->T02_discard_due_to_null_wep_key) |
| 608 | pHwData->tx_Null_key_count++; |
| 609 | } else { |
| 610 | if (pT02->T02_effective_transmission_rate) |
| 611 | pHwData->tx_ETR_count++; |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 612 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 613 | } |
| 614 | |
Mike Sheldon | b1facee | 2010-03-10 13:32:01 +0000 | [diff] [blame] | 615 | /* Clear send result buffer */ |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 616 | pMds->TxResult[PacketId] = 0; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 617 | } else |
Victor Rosales | a1b0925 | 2010-09-19 17:53:00 -0300 | [diff] [blame] | 618 | pMds->TxResult[PacketId] |= ((u16)(pT02->value & 0x0ffff)); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 619 | } |