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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * | |
20 | * File: int.c | |
21 | * | |
22 | * Purpose: Handle USB interrupt endpoint | |
23 | * | |
24 | * Author: Jerry Chen | |
25 | * | |
26 | * Date: Apr. 2, 2004 | |
27 | * | |
28 | * Functions: | |
29 | * | |
30 | * Revision History: | |
31 | * 04-02-2004 Jerry Chen: Initial release | |
32 | * | |
33 | */ | |
34 | ||
92b96797 | 35 | #include "int.h" |
92b96797 | 36 | #include "mib.h" |
92b96797 | 37 | #include "tmacro.h" |
92b96797 | 38 | #include "mac.h" |
92b96797 | 39 | #include "power.h" |
92b96797 | 40 | #include "bssdb.h" |
92b96797 | 41 | #include "usbpipe.h" |
92b96797 | 42 | |
ea15b7b2 | 43 | static int msglevel = MSG_LEVEL_INFO; /* MSG_LEVEL_DEBUG */ |
92b96797 | 44 | |
92b96797 FB |
45 | /*+ |
46 | * | |
47 | * Function: InterruptPollingThread | |
48 | * | |
49 | * Synopsis: Thread running at IRQL PASSIVE_LEVEL. | |
50 | * | |
51 | * Arguments: Device Extension | |
52 | * | |
53 | * Returns: | |
54 | * | |
55 | * Algorithm: Call USBD for input data; | |
56 | * | |
57 | * History: dd-mm-yyyy Author Comment | |
58 | * | |
59 | * | |
60 | * Notes: | |
61 | * | |
ff8041bb DKT |
62 | * USB reads are by nature 'Blocking', and when in a read, the device looks |
63 | * like it's in a 'stall' condition, so we deliberately time out every second | |
64 | * if we've gotten no data | |
92b96797 FB |
65 | * |
66 | -*/ | |
fe5d00eb | 67 | void INTvWorkItem(struct vnt_private *pDevice) |
92b96797 | 68 | { |
6487c49e | 69 | int ntStatus; |
92b96797 | 70 | |
ff8041bb | 71 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Interrupt Polling Thread\n"); |
92b96797 | 72 | |
ff8041bb | 73 | spin_lock_irq(&pDevice->lock); |
4e9b5e2b | 74 | if (pDevice->fKillEventPollingThread != true) |
ff8041bb DKT |
75 | ntStatus = PIPEnsInterruptRead(pDevice); |
76 | spin_unlock_irq(&pDevice->lock); | |
77 | } | |
92b96797 | 78 | |
fe5d00eb | 79 | void INTnsProcessData(struct vnt_private *pDevice) |
92b96797 | 80 | { |
0d126986 | 81 | PSINTData pINTData; |
fe5d00eb | 82 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
ff8041bb DKT |
83 | struct net_device_stats *pStats = &pDevice->stats; |
84 | ||
85 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptProcessData\n"); | |
86 | ||
87 | pINTData = (PSINTData) pDevice->intBuf.pDataBuf; | |
88 | if (pINTData->byTSR0 & TSR_VALID) { | |
89 | STAvUpdateTDStatCounter(&(pDevice->scStatistic), | |
b902fbfe AM |
90 | (u8)(pINTData->byPkt0 & 0x0F), |
91 | (u8)(pINTData->byPkt0>>4), | |
ff8041bb DKT |
92 | pINTData->byTSR0); |
93 | BSSvUpdateNodeTxCounter(pDevice, | |
94 | &(pDevice->scStatistic), | |
95 | pINTData->byTSR0, | |
96 | pINTData->byPkt0); | |
97 | /*DBG_PRN_GRP01(("TSR0 %02x\n", pINTData->byTSR0));*/ | |
98 | } | |
99 | if (pINTData->byTSR1 & TSR_VALID) { | |
100 | STAvUpdateTDStatCounter(&(pDevice->scStatistic), | |
b902fbfe AM |
101 | (u8)(pINTData->byPkt1 & 0x0F), |
102 | (u8)(pINTData->byPkt1>>4), | |
ff8041bb DKT |
103 | pINTData->byTSR1); |
104 | BSSvUpdateNodeTxCounter(pDevice, | |
105 | &(pDevice->scStatistic), | |
106 | pINTData->byTSR1, | |
107 | pINTData->byPkt1); | |
108 | /*DBG_PRN_GRP01(("TSR1 %02x\n", pINTData->byTSR1));*/ | |
109 | } | |
110 | if (pINTData->byTSR2 & TSR_VALID) { | |
111 | STAvUpdateTDStatCounter(&(pDevice->scStatistic), | |
b902fbfe AM |
112 | (u8)(pINTData->byPkt2 & 0x0F), |
113 | (u8)(pINTData->byPkt2>>4), | |
ff8041bb DKT |
114 | pINTData->byTSR2); |
115 | BSSvUpdateNodeTxCounter(pDevice, | |
116 | &(pDevice->scStatistic), | |
117 | pINTData->byTSR2, | |
118 | pINTData->byPkt2); | |
119 | /*DBG_PRN_GRP01(("TSR2 %02x\n", pINTData->byTSR2));*/ | |
120 | } | |
121 | if (pINTData->byTSR3 & TSR_VALID) { | |
122 | STAvUpdateTDStatCounter(&(pDevice->scStatistic), | |
b902fbfe AM |
123 | (u8)(pINTData->byPkt3 & 0x0F), |
124 | (u8)(pINTData->byPkt3>>4), | |
ff8041bb DKT |
125 | pINTData->byTSR3); |
126 | BSSvUpdateNodeTxCounter(pDevice, | |
127 | &(pDevice->scStatistic), | |
128 | pINTData->byTSR3, | |
129 | pINTData->byPkt3); | |
130 | /*DBG_PRN_GRP01(("TSR3 %02x\n", pINTData->byTSR3));*/ | |
131 | } | |
132 | if (pINTData->byISR0 != 0) { | |
133 | if (pINTData->byISR0 & ISR_BNTX) { | |
134 | if (pDevice->eOPMode == OP_MODE_AP) { | |
135 | if (pMgmt->byDTIMCount > 0) { | |
136 | pMgmt->byDTIMCount--; | |
137 | pMgmt->sNodeDBTable[0].bRxPSPoll = | |
e269fc2d | 138 | false; |
ff8041bb | 139 | } else if (pMgmt->byDTIMCount == 0) { |
a0a1f61a | 140 | /* check if multicast tx buffering */ |
ff8041bb DKT |
141 | pMgmt->byDTIMCount = |
142 | pMgmt->byDTIMPeriod-1; | |
4e9b5e2b | 143 | pMgmt->sNodeDBTable[0].bRxPSPoll = true; |
ff8041bb | 144 | if (pMgmt->sNodeDBTable[0].bPSEnable) |
0cbd8d98 AM |
145 | bScheduleCommand((void *) pDevice, |
146 | WLAN_CMD_RX_PSPOLL, | |
147 | NULL); | |
ff8041bb | 148 | } |
0cbd8d98 | 149 | bScheduleCommand((void *) pDevice, |
ff8041bb DKT |
150 | WLAN_CMD_BECON_SEND, |
151 | NULL); | |
152 | } /* if (pDevice->eOPMode == OP_MODE_AP) */ | |
4e9b5e2b | 153 | pDevice->bBeaconSent = true; |
ff8041bb | 154 | } else { |
e269fc2d | 155 | pDevice->bBeaconSent = false; |
ff8041bb DKT |
156 | } |
157 | if (pINTData->byISR0 & ISR_TBTT) { | |
158 | if (pDevice->bEnablePSMode) | |
0cbd8d98 | 159 | bScheduleCommand((void *) pDevice, |
ff8041bb DKT |
160 | WLAN_CMD_TBTT_WAKEUP, |
161 | NULL); | |
162 | if (pDevice->bChannelSwitch) { | |
163 | pDevice->byChannelSwitchCount--; | |
164 | if (pDevice->byChannelSwitchCount == 0) | |
0cbd8d98 | 165 | bScheduleCommand((void *) pDevice, |
ff8041bb DKT |
166 | WLAN_CMD_11H_CHSW, |
167 | NULL); | |
168 | } | |
169 | } | |
7c65fa2a | 170 | pDevice->qwCurrTSF = cpu_to_le64(pINTData->qwTSF); |
ff8041bb | 171 | /*DBG_PRN_GRP01(("ISR0 = %02x , |
ce3eaedf JJ |
172 | LoTsf = %08x, |
173 | HiTsf = %08x\n", | |
174 | pINTData->byISR0, | |
175 | pINTData->dwLoTSF, | |
176 | pINTData->dwHiTSF)); */ | |
ff8041bb DKT |
177 | |
178 | STAvUpdate802_11Counter(&pDevice->s802_11Counter, | |
179 | &pDevice->scStatistic, | |
180 | pINTData->byRTSSuccess, | |
181 | pINTData->byRTSFail, | |
182 | pINTData->byACKFail, | |
183 | pINTData->byFCSErr); | |
184 | STAvUpdateIsrStatCounter(&pDevice->scStatistic, | |
185 | pINTData->byISR0, | |
186 | pINTData->byISR1); | |
187 | } | |
ff8041bb DKT |
188 | if (pINTData->byISR1 != 0) |
189 | if (pINTData->byISR1 & ISR_GPIO3) | |
0cbd8d98 | 190 | bScheduleCommand((void *) pDevice, |
ff8041bb DKT |
191 | WLAN_CMD_RADIO, |
192 | NULL); | |
193 | pDevice->intBuf.uDataLen = 0; | |
e269fc2d | 194 | pDevice->intBuf.bInUse = false; |
ff8041bb DKT |
195 | |
196 | pStats->tx_packets = pDevice->scStatistic.ullTsrOK; | |
197 | pStats->tx_bytes = pDevice->scStatistic.ullTxDirectedBytes + | |
ce3eaedf JJ |
198 | pDevice->scStatistic.ullTxMulticastBytes + |
199 | pDevice->scStatistic.ullTxBroadcastBytes; | |
ff8041bb DKT |
200 | pStats->tx_errors = pDevice->scStatistic.dwTsrErr; |
201 | pStats->tx_dropped = pDevice->scStatistic.dwTsrErr; | |
92b96797 | 202 | } |