diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/drivers/ar6000/ar6000/ar6000_drv.c')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.30/drivers/ar6000/ar6000/ar6000_drv.c | 3129 |
1 files changed, 0 insertions, 3129 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/ar6000/ar6000_drv.c b/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/ar6000/ar6000_drv.c deleted file mode 100644 index 90533ab961..0000000000 --- a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/ar6000/ar6000_drv.c +++ /dev/null @@ -1,3129 +0,0 @@ -/* - * - * Copyright (c) 2004-2007 Atheros Communications Inc. - * All rights reserved. - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation; - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * - * - * - */ - -/* - * This driver is a pseudo ethernet driver to access the Atheros AR6000 - * WLAN Device - */ -static const char athId[] __attribute__ ((unused)) = "$Id: //depot/sw/releases/olca2.0-GPL/host/os/linux/ar6000_drv.c#2 $"; - -#include "ar6000_drv.h" -#include "htc.h" - -MODULE_LICENSE("GPL and additional rights"); - -#ifndef REORG_APTC_HEURISTICS -#undef ADAPTIVE_POWER_THROUGHPUT_CONTROL -#endif /* REORG_APTC_HEURISTICS */ - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -#define APTC_TRAFFIC_SAMPLING_INTERVAL 100 /* msec */ -#define APTC_UPPER_THROUGHPUT_THRESHOLD 3000 /* Kbps */ -#define APTC_LOWER_THROUGHPUT_THRESHOLD 2000 /* Kbps */ - -typedef struct aptc_traffic_record { - A_BOOL timerScheduled; - struct timeval samplingTS; - unsigned long bytesReceived; - unsigned long bytesTransmitted; -} APTC_TRAFFIC_RECORD; - -A_TIMER aptcTimer; -APTC_TRAFFIC_RECORD aptcTR; -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - -unsigned int bypasswmi = 0; -unsigned int debuglevel = 0; -int tspecCompliance = 1; -unsigned int busspeedlow = 0; -unsigned int onebitmode = 0; -unsigned int skipflash = 0; -unsigned int wmitimeout = 2; -unsigned int wlanNodeCaching = 1; -unsigned int enableuartprint = 0; -unsigned int logWmiRawMsgs = 0; -unsigned int enabletimerwar = 0; -unsigned int mbox_yield_limit = 99; -int reduce_credit_dribble = 1 + HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_ONE_HALF; -int allow_trace_signal = 0; -#ifdef CONFIG_HOST_TCMD_SUPPORT -unsigned int testmode =0; -#endif - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -module_param(bypasswmi, int, 0644); -module_param(debuglevel, int, 0644); -module_param(tspecCompliance, int, 0644); -module_param(onebitmode, int, 0644); -module_param(busspeedlow, int, 0644); -module_param(skipflash, int, 0644); -module_param(wmitimeout, int, 0644); -module_param(wlanNodeCaching, int, 0644); -module_param(logWmiRawMsgs, int, 0644); -module_param(enableuartprint, int, 0644); -module_param(enabletimerwar, int, 0644); -module_param(mbox_yield_limit, int, 0644); -module_param(reduce_credit_dribble, int, 0644); -module_param(allow_trace_signal, int, 0644); -#ifdef CONFIG_HOST_TCMD_SUPPORT -module_param(testmode, int, 0644); -#endif -#else - -#define __user -/* for linux 2.4 and lower */ -MODULE_PARM(bypasswmi,"i"); -MODULE_PARM(debuglevel, "i"); -MODULE_PARM(onebitmode,"i"); -MODULE_PARM(busspeedlow, "i"); -MODULE_PARM(skipflash, "i"); -MODULE_PARM(wmitimeout, "i"); -MODULE_PARM(wlanNodeCaching, "i"); -MODULE_PARM(enableuartprint,"i"); -MODULE_PARM(logWmiRawMsgs, "i"); -MODULE_PARM(enabletimerwar,"i"); -MODULE_PARM(mbox_yield_limit,"i"); -MODULE_PARM(reduce_credit_dribble,"i"); -MODULE_PARM(allow_trace_signal,"i"); -#ifdef CONFIG_HOST_TCMD_SUPPORT -MODULE_PARM(testmode, "i"); -#endif -#endif - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10) -/* in 2.6.10 and later this is now a pointer to a uint */ -unsigned int _mboxnum = HTC_MAILBOX_NUM_MAX; -#define mboxnum &_mboxnum -#else -unsigned int mboxnum = HTC_MAILBOX_NUM_MAX; -#endif - -#ifdef CONFIG_AR6000_WLAN_RESET -unsigned int resetok = 1; -#else -unsigned int resetok = 0; -#endif - -#ifdef DEBUG -A_UINT32 g_dbg_flags = DBG_DEFAULTS; -unsigned int debugflags = 0; -int debugdriver = 1; -unsigned int debughtc = 128; -unsigned int debugbmi = 1; -unsigned int debughif = 2; -unsigned int txcreditsavailable[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int txcreditsconsumed[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int txcreditintrenable[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int txcreditintrenableaggregate[HTC_MAILBOX_NUM_MAX] = {0}; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -module_param(debugflags, int, 0644); -module_param(debugdriver, int, 0644); -module_param(debughtc, int, 0644); -module_param(debugbmi, int, 0644); -module_param(debughif, int, 0644); -module_param(resetok, int, 0644); -module_param_array(txcreditsavailable, int, mboxnum, 0644); -module_param_array(txcreditsconsumed, int, mboxnum, 0644); -module_param_array(txcreditintrenable, int, mboxnum, 0644); -module_param_array(txcreditintrenableaggregate, int, mboxnum, 0644); -#else -/* linux 2.4 and lower */ -MODULE_PARM(debugflags,"i"); -MODULE_PARM(debugdriver, "i"); -MODULE_PARM(debughtc, "i"); -MODULE_PARM(debugbmi, "i"); -MODULE_PARM(debughif, "i"); -MODULE_PARM(resetok, "i"); -MODULE_PARM(txcreditsavailable, "0-3i"); -MODULE_PARM(txcreditsconsumed, "0-3i"); -MODULE_PARM(txcreditintrenable, "0-3i"); -MODULE_PARM(txcreditintrenableaggregate, "0-3i"); -#endif - -#endif /* DEBUG */ - -unsigned int tx_attempt[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int tx_post[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int tx_complete[HTC_MAILBOX_NUM_MAX] = {0}; -unsigned int hifBusRequestNumMax = 40; -unsigned int war23838_disabled = 0; -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -unsigned int enableAPTCHeuristics = 1; -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -module_param_array(tx_attempt, int, mboxnum, 0644); -module_param_array(tx_post, int, mboxnum, 0644); -module_param_array(tx_complete, int, mboxnum, 0644); -module_param(hifBusRequestNumMax, int, 0644); -module_param(war23838_disabled, int, 0644); -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -module_param(enableAPTCHeuristics, int, 0644); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ -#else -MODULE_PARM(tx_attempt, "0-3i"); -MODULE_PARM(tx_post, "0-3i"); -MODULE_PARM(tx_complete, "0-3i"); -MODULE_PARM(hifBusRequestNumMax, "i"); -MODULE_PARM(war23838_disabled, "i"); -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -MODULE_PARM(enableAPTCHeuristics, "i"); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ -#endif - -#ifdef BLOCK_TX_PATH_FLAG -int blocktx = 0; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -module_param(blocktx, int, 0644); -#else -MODULE_PARM(blocktx, "i"); -#endif -#endif /* BLOCK_TX_PATH_FLAG */ - -// TODO move to arsoft_c -USER_RSSI_THOLD rssi_map[12]; - -int reconnect_flag = 0; - -DECLARE_WAIT_QUEUE_HEAD(ar6000_scan_queue); - -/* Function declarations */ -static int ar6000_init_module(void); -static void ar6000_cleanup_module(void); - -int ar6000_init(struct net_device *dev); -static int ar6000_open(struct net_device *dev); -static int ar6000_close(struct net_device *dev); -static int ar6000_cleanup(struct net_device *dev); -static void ar6000_init_control_info(AR_SOFTC_T *ar); -static int ar6000_data_tx(struct sk_buff *skb, struct net_device *dev); - -static void ar6000_destroy(struct net_device *dev, unsigned int unregister); -static void ar6000_detect_error(unsigned long ptr); -static struct net_device_stats *ar6000_get_stats(struct net_device *dev); -static struct iw_statistics *ar6000_get_iwstats(struct net_device * dev); - -/* - * HTC service connection handlers - */ -static void ar6000_avail_ev(HTC_HANDLE HTCHandle); - -static void ar6000_unavail_ev(void *Instance); - -static void ar6000_target_failure(void *Instance, A_STATUS Status); - -static void ar6000_rx(void *Context, HTC_PACKET *pPacket); - -static void ar6000_rx_refill(void *Context,HTC_ENDPOINT_ID Endpoint); - -static void ar6000_tx_complete(void *Context, HTC_PACKET *pPacket); - -static void ar6000_tx_queue_full(void *Context, HTC_ENDPOINT_ID Endpoint); - -static void ar6000_tx_queue_avail(void *Context, HTC_ENDPOINT_ID Endpoint); - -/* - * Static variables - */ - -static struct net_device *ar6000_devices[MAX_AR6000]; -extern struct iw_handler_def ath_iw_handler_def; -DECLARE_WAIT_QUEUE_HEAD(arEvent); -static void ar6000_cookie_init(AR_SOFTC_T *ar); -static void ar6000_cookie_cleanup(AR_SOFTC_T *ar); -static void ar6000_free_cookie(AR_SOFTC_T *ar, struct ar_cookie * cookie); -static struct ar_cookie *ar6000_alloc_cookie(AR_SOFTC_T *ar); -static void ar6000_TxDataCleanup(AR_SOFTC_T *ar); - -#ifdef USER_KEYS -static A_STATUS ar6000_reinstall_keys(AR_SOFTC_T *ar,A_UINT8 key_op_ctrl); -#endif - - -static struct ar_cookie s_ar_cookie_mem[MAX_COOKIE_NUM]; - -#define HOST_INTEREST_ITEM_ADDRESS(ar, item) \ -((ar->arTargetType == TARGET_TYPE_AR6001) ? \ - AR6001_HOST_INTEREST_ITEM_ADDRESS(item) : \ - AR6002_HOST_INTEREST_ITEM_ADDRESS(item)) - - -/* Debug log support */ - -/* - * Flag to govern whether the debug logs should be parsed in the kernel - * or reported to the application. - */ -#ifdef DEBUG -#define REPORT_DEBUG_LOGS_TO_APP -#endif - -A_STATUS -ar6000_set_host_app_area(AR_SOFTC_T *ar) -{ - A_UINT32 address, data; - struct host_app_area_s host_app_area; - - /* Fetch the address of the host_app_area_s instance in the host interest area */ - address = HOST_INTEREST_ITEM_ADDRESS(ar, hi_app_host_interest); - if (ar6000_ReadRegDiag(ar->arHifDevice, &address, &data) != A_OK) { - return A_ERROR; - } - address = data; - host_app_area.wmi_protocol_ver = WMI_PROTOCOL_VERSION; - if (ar6000_WriteDataDiag(ar->arHifDevice, address, - (A_UCHAR *)&host_app_area, - sizeof(struct host_app_area_s)) != A_OK) - { - return A_ERROR; - } - - return A_OK; -} - -A_UINT32 -dbglog_get_debug_hdr_ptr(AR_SOFTC_T *ar) -{ - A_UINT32 param; - A_UINT32 address; - A_STATUS status; - - address = HOST_INTEREST_ITEM_ADDRESS(ar, hi_dbglog_hdr); - if ((status = ar6000_ReadDataDiag(ar->arHifDevice, address, - (A_UCHAR *)¶m, 4)) != A_OK) - { - param = 0; - } - - return param; -} - -/* - * The dbglog module has been initialized. Its ok to access the relevant - * data stuctures over the diagnostic window. - */ -void -ar6000_dbglog_init_done(AR_SOFTC_T *ar) -{ - ar->dbglog_init_done = TRUE; -} - -A_UINT32 -dbglog_get_debug_fragment(A_INT8 *datap, A_UINT32 len, A_UINT32 limit) -{ - A_INT32 *buffer; - A_UINT32 count; - A_UINT32 numargs; - A_UINT32 length; - A_UINT32 fraglen; - - count = fraglen = 0; - buffer = (A_INT32 *)datap; - length = (limit >> 2); - - if (len <= limit) { - fraglen = len; - } else { - while (count < length) { - numargs = DBGLOG_GET_NUMARGS(buffer[count]); - fraglen = (count << 2); - count += numargs + 1; - } - } - - return fraglen; -} - -void -dbglog_parse_debug_logs(A_INT8 *datap, A_UINT32 len) -{ - A_INT32 *buffer; - A_UINT32 count; - A_UINT32 timestamp; - A_UINT32 debugid; - A_UINT32 moduleid; - A_UINT32 numargs; - A_UINT32 length; - - count = 0; - buffer = (A_INT32 *)datap; - length = (len >> 2); - while (count < length) { - debugid = DBGLOG_GET_DBGID(buffer[count]); - moduleid = DBGLOG_GET_MODULEID(buffer[count]); - numargs = DBGLOG_GET_NUMARGS(buffer[count]); - timestamp = DBGLOG_GET_TIMESTAMP(buffer[count]); - switch (numargs) { - case 0: - AR_DEBUG_PRINTF("%d %d (%d)\n", moduleid, debugid, timestamp); - break; - - case 1: - AR_DEBUG_PRINTF("%d %d (%d): 0x%x\n", moduleid, debugid, - timestamp, buffer[count+1]); - break; - - case 2: - AR_DEBUG_PRINTF("%d %d (%d): 0x%x, 0x%x\n", moduleid, debugid, - timestamp, buffer[count+1], buffer[count+2]); - break; - - default: - AR_DEBUG_PRINTF("Invalid args: %d\n", numargs); - } - count += numargs + 1; - } -} - -int -ar6000_dbglog_get_debug_logs(AR_SOFTC_T *ar) -{ - struct dbglog_hdr_s debug_hdr; - struct dbglog_buf_s debug_buf; - A_UINT32 address; - A_UINT32 length; - A_UINT32 dropped; - A_UINT32 firstbuf; - A_UINT32 debug_hdr_ptr; - - if (!ar->dbglog_init_done) return A_ERROR; - -#ifndef CONFIG_AR6000_WLAN_DEBUG - return 0; -#endif - - AR6000_SPIN_LOCK(&ar->arLock, 0); - - if (ar->dbgLogFetchInProgress) { - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - return A_EBUSY; - } - - /* block out others */ - ar->dbgLogFetchInProgress = TRUE; - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - debug_hdr_ptr = dbglog_get_debug_hdr_ptr(ar); - printk("debug_hdr_ptr: 0x%x\n", debug_hdr_ptr); - - /* Get the contents of the ring buffer */ - if (debug_hdr_ptr) { - address = debug_hdr_ptr; - length = sizeof(struct dbglog_hdr_s); - ar6000_ReadDataDiag(ar->arHifDevice, address, - (A_UCHAR *)&debug_hdr, length); - address = (A_UINT32)debug_hdr.dbuf; - firstbuf = address; - dropped = debug_hdr.dropped; - length = sizeof(struct dbglog_buf_s); - ar6000_ReadDataDiag(ar->arHifDevice, address, - (A_UCHAR *)&debug_buf, length); - - do { - address = (A_UINT32)debug_buf.buffer; - length = debug_buf.length; - if ((length) && (debug_buf.length <= debug_buf.bufsize)) { - /* Rewind the index if it is about to overrun the buffer */ - if (ar->log_cnt > (DBGLOG_HOST_LOG_BUFFER_SIZE - length)) { - ar->log_cnt = 0; - } - if(A_OK != ar6000_ReadDataDiag(ar->arHifDevice, address, - (A_UCHAR *)&ar->log_buffer[ar->log_cnt], length)) - { - break; - } - ar6000_dbglog_event(ar, dropped, &ar->log_buffer[ar->log_cnt], length); - ar->log_cnt += length; - } else { - AR_DEBUG_PRINTF("Length: %d (Total size: %d)\n", - debug_buf.length, debug_buf.bufsize); - } - - address = (A_UINT32)debug_buf.next; - length = sizeof(struct dbglog_buf_s); - if(A_OK != ar6000_ReadDataDiag(ar->arHifDevice, address, - (A_UCHAR *)&debug_buf, length)) - { - break; - } - - } while (address != firstbuf); - } - - ar->dbgLogFetchInProgress = FALSE; - - return A_OK; -} - -void -ar6000_dbglog_event(AR_SOFTC_T *ar, A_UINT32 dropped, - A_INT8 *buffer, A_UINT32 length) -{ -#ifdef REPORT_DEBUG_LOGS_TO_APP - #define MAX_WIRELESS_EVENT_SIZE 252 - /* - * Break it up into chunks of MAX_WIRELESS_EVENT_SIZE bytes of messages. - * There seems to be a limitation on the length of message that could be - * transmitted to the user app via this mechanism. - */ - A_UINT32 send, sent; - - sent = 0; - send = dbglog_get_debug_fragment(&buffer[sent], length - sent, - MAX_WIRELESS_EVENT_SIZE); - while (send) { - ar6000_send_event_to_app(ar, WMIX_DBGLOG_EVENTID, &buffer[sent], send); - sent += send; - send = dbglog_get_debug_fragment(&buffer[sent], length - sent, - MAX_WIRELESS_EVENT_SIZE); - } -#else - AR_DEBUG_PRINTF("Dropped logs: 0x%x\nDebug info length: %d\n", - dropped, length); - - /* Interpret the debug logs */ - dbglog_parse_debug_logs(buffer, length); -#endif /* REPORT_DEBUG_LOGS_TO_APP */ -} - - - -static int __init -ar6000_init_module(void) -{ - static int probed = 0; - A_STATUS status; - HTC_INIT_INFO initInfo; - - A_MEMZERO(&initInfo,sizeof(initInfo)); - initInfo.AddInstance = ar6000_avail_ev; - initInfo.DeleteInstance = ar6000_unavail_ev; - initInfo.TargetFailure = ar6000_target_failure; - - -#ifdef DEBUG - /* Set the debug flags if specified at load time */ - if(debugflags != 0) - { - g_dbg_flags = debugflags; - } -#endif - - if (probed) { - return -ENODEV; - } - probed++; - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL - memset(&aptcTR, 0, sizeof(APTC_TRAFFIC_RECORD)); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - -#ifdef CONFIG_HOST_GPIO_SUPPORT - ar6000_gpio_init(); -#endif /* CONFIG_HOST_GPIO_SUPPORT */ - - status = HTCInit(&initInfo); - if(status != A_OK) - return -ENODEV; - - return 0; -} - -static void __exit -ar6000_cleanup_module(void) -{ - int i = 0; - struct net_device *ar6000_netdev; - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL - /* Delete the Adaptive Power Control timer */ - if (timer_pending(&aptcTimer)) { - del_timer_sync(&aptcTimer); - } -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - - for (i=0; i < MAX_AR6000; i++) { - if (ar6000_devices[i] != NULL) { - ar6000_netdev = ar6000_devices[i]; - ar6000_devices[i] = NULL; - ar6000_destroy(ar6000_netdev, 1); - } - } - - /* shutting down HTC will cause the HIF layer to detach from the - * underlying bus driver which will cause the subsequent deletion of - * all HIF and HTC instances */ - HTCShutDown(); - - AR_DEBUG_PRINTF("ar6000_cleanup: success\n"); -} - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -void -aptcTimerHandler(unsigned long arg) -{ - A_UINT32 numbytes; - A_UINT32 throughput; - AR_SOFTC_T *ar; - A_STATUS status; - - ar = (AR_SOFTC_T *)arg; - A_ASSERT(ar != NULL); - A_ASSERT(!timer_pending(&aptcTimer)); - - AR6000_SPIN_LOCK(&ar->arLock, 0); - - /* Get the number of bytes transferred */ - numbytes = aptcTR.bytesTransmitted + aptcTR.bytesReceived; - aptcTR.bytesTransmitted = aptcTR.bytesReceived = 0; - - /* Calculate and decide based on throughput thresholds */ - throughput = ((numbytes * 8)/APTC_TRAFFIC_SAMPLING_INTERVAL); /* Kbps */ - if (throughput < APTC_LOWER_THROUGHPUT_THRESHOLD) { - /* Enable Sleep and delete the timer */ - A_ASSERT(ar->arWmiReady == TRUE); - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - status = wmi_powermode_cmd(ar->arWmi, REC_POWER); - AR6000_SPIN_LOCK(&ar->arLock, 0); - A_ASSERT(status == A_OK); - aptcTR.timerScheduled = FALSE; - } else { - A_TIMEOUT_MS(&aptcTimer, APTC_TRAFFIC_SAMPLING_INTERVAL, 0); - } - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); -} -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - - - -/* set HTC block size, assume BMI is already initialized */ -A_STATUS ar6000_SetHTCBlockSize(AR_SOFTC_T *ar) -{ - A_STATUS status; - A_UINT32 blocksizes[HTC_MAILBOX_NUM_MAX]; - - do { - /* get the block sizes */ - status = HIFConfigureDevice(ar->arHifDevice, HIF_DEVICE_GET_MBOX_BLOCK_SIZE, - blocksizes, sizeof(blocksizes)); - - if (A_FAILED(status)) { - AR_DEBUG_PRINTF("Failed to get block size info from HIF layer...\n"); - break; - } - /* note: we actually get the block size for mailbox 1, for SDIO the block - * size on mailbox 0 is artificially set to 1 */ - /* must be a power of 2 */ - A_ASSERT((blocksizes[1] & (blocksizes[1] - 1)) == 0); - - /* set the host interest area for the block size */ - status = BMIWriteMemory(ar->arHifDevice, - HOST_INTEREST_ITEM_ADDRESS(ar, hi_mbox_io_block_sz), - (A_UCHAR *)&blocksizes[1], - 4); - - if (A_FAILED(status)) { - AR_DEBUG_PRINTF("BMIWriteMemory for IO block size failed \n"); - break; - } - - AR_DEBUG_PRINTF("Block Size Set: %d (target address:0x%X)\n", - blocksizes[1], HOST_INTEREST_ITEM_ADDRESS(ar, hi_mbox_io_block_sz)); - - /* set the host interest area for the mbox ISR yield limit */ - status = BMIWriteMemory(ar->arHifDevice, - HOST_INTEREST_ITEM_ADDRESS(ar, hi_mbox_isr_yield_limit), - (A_UCHAR *)&mbox_yield_limit, - 4); - - if (A_FAILED(status)) { - AR_DEBUG_PRINTF("BMIWriteMemory for yield limit failed \n"); - break; - } - - } while (FALSE); - - return status; -} - -static void free_raw_buffers(AR_SOFTC_T *ar) -{ - int i, j; - - for (i = 0; i != HTC_RAW_STREAM_NUM_MAX; i++) { - for (j = 0; j != RAW_HTC_READ_BUFFERS_NUM; j++) - kfree(ar->raw_htc_read_buffer[i][j]); - for (j = 0; j != RAW_HTC_WRITE_BUFFERS_NUM; j++) - kfree(ar->raw_htc_write_buffer[i][j]); - } -} - -static int alloc_raw_buffers(AR_SOFTC_T *ar) -{ - int i, j; - raw_htc_buffer *b; - - for (i = 0; i != HTC_RAW_STREAM_NUM_MAX; i++) { - for (j = 0; j != RAW_HTC_READ_BUFFERS_NUM; j++) { - b = kzalloc(sizeof(*b), GFP_KERNEL); - if (!b) - return -ENOMEM; - ar->raw_htc_read_buffer[i][j] = b; - } - for (j = 0; j != RAW_HTC_WRITE_BUFFERS_NUM; j++) { - b = kzalloc(sizeof(*b), GFP_KERNEL); - if (!b) - return -ENOMEM; - ar->raw_htc_write_buffer[i][j] = b; - } - } - return 0; -} - -static const struct net_device_ops ar6000_netdev_ops = { - .ndo_init = &ar6000_init, - .ndo_open = &ar6000_open, - .ndo_stop = &ar6000_close, - .ndo_start_xmit = &ar6000_data_tx, - .ndo_get_stats = &ar6000_get_stats, - .ndo_do_ioctl = &ar6000_ioctl, -}; -/* - * HTC Event handlers - */ -static void -ar6000_avail_ev(HTC_HANDLE HTCHandle) -{ - int i; - struct net_device *dev; - AR_SOFTC_T *ar; - int device_index = 0; - - AR_DEBUG_PRINTF("ar6000_available\n"); - - for (i=0; i < MAX_AR6000; i++) { - if (ar6000_devices[i] == NULL) { - break; - } - } - - if (i == MAX_AR6000) { - AR_DEBUG_PRINTF("ar6000_available: max devices reached\n"); - return; - } - - /* Save this. It gives a bit better readability especially since */ - /* we use another local "i" variable below. */ - device_index = i; - - A_ASSERT(HTCHandle != NULL); - - dev = alloc_etherdev(sizeof(AR_SOFTC_T)); - if (dev == NULL) { - AR_DEBUG_PRINTF("ar6000_available: can't alloc etherdev\n"); - return; - } - - ether_setup(dev); - - if (netdev_priv(dev) == NULL) { - printk(KERN_CRIT "ar6000_available: Could not allocate memory\n"); - return; - } - - A_MEMZERO(netdev_priv(dev), sizeof(AR_SOFTC_T)); - - ar = (AR_SOFTC_T *)netdev_priv(dev); - ar->arNetDev = dev; - ar->arHtcTarget = HTCHandle; - ar->arHifDevice = HTCGetHifDevice(HTCHandle); - ar->arWlanState = WLAN_ENABLED; - ar->arRadioSwitch = WLAN_ENABLED; - ar->arDeviceIndex = device_index; - - A_INIT_TIMER(&ar->arHBChallengeResp.timer, ar6000_detect_error, dev); - ar->arHBChallengeResp.seqNum = 0; - ar->arHBChallengeResp.outstanding = FALSE; - ar->arHBChallengeResp.missCnt = 0; - ar->arHBChallengeResp.frequency = AR6000_HB_CHALLENGE_RESP_FREQ_DEFAULT; - ar->arHBChallengeResp.missThres = AR6000_HB_CHALLENGE_RESP_MISS_THRES_DEFAULT; - - ar6000_init_control_info(ar); - init_waitqueue_head(&arEvent); - sema_init(&ar->arSem, 1); - - if (alloc_raw_buffers(ar)) { - free_raw_buffers(ar); - /* - * @@@ Clean up our own mess, but for anything else, cheerfully mimick - * the beautiful error non-handling of the rest of this function. - */ - return; - } - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL - A_INIT_TIMER(&aptcTimer, aptcTimerHandler, ar); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - - /* - * If requested, perform some magic which requires no cooperation from - * the Target. It causes the Target to ignore flash and execute to the - * OS from ROM. - * - * This is intended to support recovery from a corrupted flash on Targets - * that support flash. - */ - if (skipflash) - { - ar6000_reset_device_skipflash(ar->arHifDevice); - } - - BMIInit(); - { - struct bmi_target_info targ_info; - - if (BMIGetTargetInfo(ar->arHifDevice, &targ_info) != A_OK) { - return; - } - - ar->arVersion.target_ver = targ_info.target_ver; - ar->arTargetType = targ_info.target_type; - } - - if (enableuartprint) { - A_UINT32 param; - param = 1; - if (BMIWriteMemory(ar->arHifDevice, - HOST_INTEREST_ITEM_ADDRESS(ar, hi_serial_enable), - (A_UCHAR *)¶m, - 4)!= A_OK) - { - AR_DEBUG_PRINTF("BMIWriteMemory for enableuartprint failed \n"); - return ; - } - AR_DEBUG_PRINTF("Serial console prints enabled\n"); - } -#ifdef CONFIG_HOST_TCMD_SUPPORT - if(testmode) { - ar->arTargetMode = AR6000_TCMD_MODE; - }else { - ar->arTargetMode = AR6000_WLAN_MODE; - } -#endif - if (enabletimerwar) { - A_UINT32 param; - - if (BMIReadMemory(ar->arHifDevice, - HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag), - (A_UCHAR *)¶m, - 4)!= A_OK) - { - AR_DEBUG_PRINTF("BMIReadMemory for enabletimerwar failed \n"); - return; - } - - param |= HI_OPTION_TIMER_WAR; - - if (BMIWriteMemory(ar->arHifDevice, - HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag), - (A_UCHAR *)¶m, - 4) != A_OK) - { - AR_DEBUG_PRINTF("BMIWriteMemory for enabletimerwar failed \n"); - return; - } - AR_DEBUG_PRINTF("Timer WAR enabled\n"); - } - - - /* since BMIInit is called in the driver layer, we have to set the block - * size here for the target */ - - if (A_FAILED(ar6000_SetHTCBlockSize(ar))) { - return; - } - - spin_lock_init(&ar->arLock); - - dev->netdev_ops = &ar6000_netdev_ops; - dev->watchdog_timeo = AR6000_TX_TIMEOUT; - ar6000_ioctl_iwsetup(&ath_iw_handler_def); - dev->wireless_handlers = &ath_iw_handler_def; - ath_iw_handler_def.get_wireless_stats = ar6000_get_iwstats; /*Displayed via proc fs */ - - /* - * We need the OS to provide us with more headroom in order to - * perform dix to 802.3, WMI header encap, and the HTC header - */ - dev->hard_header_len = ETH_HLEN + sizeof(ATH_LLC_SNAP_HDR) + - sizeof(WMI_DATA_HDR) + HTC_HEADER_LEN; - - /* This runs the init function */ - SET_NETDEV_DEV(dev, HIFGetOSDevice(ar->arHifDevice)); - if (register_netdev(dev)) { - AR_DEBUG_PRINTF("ar6000_avail: register_netdev failed\n"); - ar6000_destroy(dev, 0); - return; - } - - HTCSetInstance(ar->arHtcTarget, ar); - - /* We only register the device in the global list if we succeed. */ - /* If the device is in the global list, it will be destroyed */ - /* when the module is unloaded. */ - ar6000_devices[device_index] = dev; - - AR_DEBUG_PRINTF("ar6000_avail: name=%s htcTarget=0x%x, dev=0x%x (%d), ar=0x%x\n", - dev->name, (A_UINT32)HTCHandle, (A_UINT32)dev, device_index, - (A_UINT32)ar); -} - -static void ar6000_target_failure(void *Instance, A_STATUS Status) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Instance; - WMI_TARGET_ERROR_REPORT_EVENT errEvent; - static A_BOOL sip = FALSE; - - if (Status != A_OK) { - if (timer_pending(&ar->arHBChallengeResp.timer)) { - A_UNTIMEOUT(&ar->arHBChallengeResp.timer); - } - - /* try dumping target assertion information (if any) */ - ar6000_dump_target_assert_info(ar->arHifDevice,ar->arTargetType); - - /* - * Fetch the logs from the target via the diagnostic - * window. - */ - ar6000_dbglog_get_debug_logs(ar); - - /* Report the error only once */ - if (!sip) { - sip = TRUE; - errEvent.errorVal = WMI_TARGET_COM_ERR | - WMI_TARGET_FATAL_ERR; -#ifdef SEND_EVENT_TO_APP - ar6000_send_event_to_app(ar, WMI_ERROR_REPORT_EVENTID, - (A_UINT8 *)&errEvent, - sizeof(WMI_TARGET_ERROR_REPORT_EVENT)); -#endif - } - } -} - -static void -ar6000_unavail_ev(void *Instance) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Instance; - /* NULL out it's entry in the global list */ - ar6000_devices[ar->arDeviceIndex] = NULL; - ar6000_destroy(ar->arNetDev, 1); -} - -/* - * We need to differentiate between the surprise and planned removal of the - * device because of the following consideration: - * - In case of surprise removal, the hcd already frees up the pending - * for the device and hence there is no need to unregister the function - * driver inorder to get these requests. For planned removal, the function - * driver has to explictly unregister itself to have the hcd return all the - * pending requests before the data structures for the devices are freed up. - * Note that as per the current implementation, the function driver will - * end up releasing all the devices since there is no API to selectively - * release a particular device. - * - Certain commands issued to the target can be skipped for surprise - * removal since they will anyway not go through. - */ -static void -ar6000_destroy(struct net_device *dev, unsigned int unregister) -{ - AR_SOFTC_T *ar; - - AR_DEBUG_PRINTF("+ar6000_destroy \n"); - - if((dev == NULL) || ((ar = netdev_priv(dev)) == NULL)) - { - AR_DEBUG_PRINTF("%s(): Failed to get device structure.\n", __func__); - return; - } - - /* Clear the tx counters */ - memset(tx_attempt, 0, sizeof(tx_attempt)); - memset(tx_post, 0, sizeof(tx_post)); - memset(tx_complete, 0, sizeof(tx_complete)); - - /* Free up the device data structure */ - if (unregister) { - unregister_netdev(dev); - } else { - ar6000_close(dev); - ar6000_cleanup(dev); - } - - free_raw_buffers(ar); - -#ifndef free_netdev - kfree(dev); -#else - free_netdev(dev); -#endif - - AR_DEBUG_PRINTF("-ar6000_destroy \n"); -} - -static void ar6000_detect_error(unsigned long ptr) -{ - struct net_device *dev = (struct net_device *)ptr; - AR_SOFTC_T *ar = (AR_SOFTC_T *)netdev_priv(dev); - WMI_TARGET_ERROR_REPORT_EVENT errEvent; - - AR6000_SPIN_LOCK(&ar->arLock, 0); - - if (ar->arHBChallengeResp.outstanding) { - ar->arHBChallengeResp.missCnt++; - } else { - ar->arHBChallengeResp.missCnt = 0; - } - - if (ar->arHBChallengeResp.missCnt > ar->arHBChallengeResp.missThres) { - /* Send Error Detect event to the application layer and do not reschedule the error detection module timer */ - ar->arHBChallengeResp.missCnt = 0; - ar->arHBChallengeResp.seqNum = 0; - errEvent.errorVal = WMI_TARGET_COM_ERR | WMI_TARGET_FATAL_ERR; - AR6000_SPIN_UNLOCK(&ar->arLock, 0); -#ifdef SEND_EVENT_TO_APP - ar6000_send_event_to_app(ar, WMI_ERROR_REPORT_EVENTID, - (A_UINT8 *)&errEvent, - sizeof(WMI_TARGET_ERROR_REPORT_EVENT)); -#endif - return; - } - - /* Generate the sequence number for the next challenge */ - ar->arHBChallengeResp.seqNum++; - ar->arHBChallengeResp.outstanding = TRUE; - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - /* Send the challenge on the control channel */ - if (wmi_get_challenge_resp_cmd(ar->arWmi, ar->arHBChallengeResp.seqNum, DRV_HB_CHALLENGE) != A_OK) { - AR_DEBUG_PRINTF("Unable to send heart beat challenge\n"); - } - - - /* Reschedule the timer for the next challenge */ - A_TIMEOUT_MS(&ar->arHBChallengeResp.timer, ar->arHBChallengeResp.frequency * 1000, 0); -} - -void ar6000_init_profile_info(AR_SOFTC_T *ar) -{ - ar->arSsidLen = 0; - A_MEMZERO(ar->arSsid, sizeof(ar->arSsid)); - ar->arNetworkType = INFRA_NETWORK; - ar->arDot11AuthMode = OPEN_AUTH; - ar->arAuthMode = NONE_AUTH; - ar->arPairwiseCrypto = NONE_CRYPT; - ar->arPairwiseCryptoLen = 0; - ar->arGroupCrypto = NONE_CRYPT; - ar->arGroupCryptoLen = 0; - A_MEMZERO(ar->arWepKeyList, sizeof(ar->arWepKeyList)); - A_MEMZERO(ar->arReqBssid, sizeof(ar->arReqBssid)); - A_MEMZERO(ar->arBssid, sizeof(ar->arBssid)); - ar->arBssChannel = 0; -} - -static void -ar6000_init_control_info(AR_SOFTC_T *ar) -{ - ar->arWmiEnabled = FALSE; - ar6000_init_profile_info(ar); - ar->arDefTxKeyIndex = 0; - A_MEMZERO(ar->arWepKeyList, sizeof(ar->arWepKeyList)); - ar->arChannelHint = 0; - ar->arListenInterval = MAX_LISTEN_INTERVAL; - ar->arVersion.host_ver = AR6K_SW_VERSION; - ar->arRssi = 0; - ar->arTxPwr = 0; - ar->arTxPwrSet = FALSE; - ar->arSkipScan = 0; - ar->arBeaconInterval = 0; - ar->arBitRate = 0; - ar->arMaxRetries = 0; - ar->arWmmEnabled = TRUE; -} - -static int -ar6000_open(struct net_device *dev) -{ - /* Wake up the queues */ - netif_start_queue(dev); - - return 0; -} - -static int -ar6000_close(struct net_device *dev) -{ - /* Stop the transmit queues */ - netif_stop_queue(dev); - return 0; -} - -static int -ar6000_cleanup(struct net_device *dev) -{ - AR_SOFTC_T *ar = netdev_priv(dev); - - /* Stop the transmit queues */ - netif_stop_queue(dev); - - /* Disable the target and the interrupts associated with it */ - if (ar->arWmiReady == TRUE) - { - if (!bypasswmi) - { - if (ar->arConnected == TRUE || ar->arConnectPending == TRUE) - { - AR_DEBUG_PRINTF("%s(): Disconnect\n", __func__); - AR6000_SPIN_LOCK(&ar->arLock, 0); - ar6000_init_profile_info(ar); - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - wmi_disconnect_cmd(ar->arWmi); - } - - ar6000_dbglog_get_debug_logs(ar); - ar->arWmiReady = FALSE; - ar->arConnected = FALSE; - ar->arConnectPending = FALSE; - wmi_shutdown(ar->arWmi); - ar->arWmiEnabled = FALSE; - ar->arWmi = NULL; - ar->arWlanState = WLAN_ENABLED; -#ifdef USER_KEYS - ar->user_savedkeys_stat = USER_SAVEDKEYS_STAT_INIT; - ar->user_key_ctrl = 0; -#endif - } - - AR_DEBUG_PRINTF("%s(): WMI stopped\n", __func__); - } - else - { - AR_DEBUG_PRINTF("%s(): WMI not ready 0x%08x 0x%08x\n", - __func__, (unsigned int) ar, (unsigned int) ar->arWmi); - - /* Shut down WMI if we have started it */ - if(ar->arWmiEnabled == TRUE) - { - AR_DEBUG_PRINTF("%s(): Shut down WMI\n", __func__); - wmi_shutdown(ar->arWmi); - ar->arWmiEnabled = FALSE; - ar->arWmi = NULL; - } - } - - /* stop HTC */ - HTCStop(ar->arHtcTarget); - - /* set the instance to NULL so we do not get called back on remove incase we - * we're explicity destroyed by module unload */ - HTCSetInstance(ar->arHtcTarget, NULL); - - if (resetok) { - /* try to reset the device if we can - * The driver may have been configure NOT to reset the target during - * a debug session */ - AR_DEBUG_PRINTF(" Attempting to reset target on instance destroy.... \n"); - ar6000_reset_device(ar->arHifDevice, ar->arTargetType); - } else { - AR_DEBUG_PRINTF(" Host does not want target reset. \n"); - } - - /* Done with cookies */ - ar6000_cookie_cleanup(ar); - - /* Cleanup BMI */ - BMIInit(); - - return 0; -} - -/* connect to a service */ -static A_STATUS ar6000_connectservice(AR_SOFTC_T *ar, - HTC_SERVICE_CONNECT_REQ *pConnect, - WMI_PRI_STREAM_ID WmiStreamID, - char *pDesc) -{ - A_STATUS status; - HTC_SERVICE_CONNECT_RESP response; - - do { - - A_MEMZERO(&response,sizeof(response)); - - status = HTCConnectService(ar->arHtcTarget, - pConnect, - &response); - - if (A_FAILED(status)) { - AR_DEBUG_PRINTF(" Failed to connect to %s service status:%d \n", pDesc, status); - break; - } - - if (WmiStreamID == WMI_NOT_MAPPED) { - /* done */ - break; - } - - /* set endpoint mapping for the WMI stream in the driver layer */ - arSetWMIStream2EndpointIDMap(ar,WmiStreamID,response.Endpoint); - - } while (FALSE); - - return status; -} - -static void ar6000_TxDataCleanup(AR_SOFTC_T *ar) -{ - /* flush all the data (non-control) streams - * we only flush packets that are tagged as data, we leave any control packets that - * were in the TX queues alone */ - HTCFlushEndpoint(ar->arHtcTarget, - arWMIStream2EndpointID(ar,WMI_BEST_EFFORT_PRI), - AR6K_DATA_PKT_TAG); - HTCFlushEndpoint(ar->arHtcTarget, - arWMIStream2EndpointID(ar,WMI_LOW_PRI), - AR6K_DATA_PKT_TAG); - HTCFlushEndpoint(ar->arHtcTarget, - arWMIStream2EndpointID(ar,WMI_HIGH_PRI), - AR6K_DATA_PKT_TAG); - HTCFlushEndpoint(ar->arHtcTarget, - arWMIStream2EndpointID(ar,WMI_HIGHEST_PRI), - AR6K_DATA_PKT_TAG); -} - -/* This function does one time initialization for the lifetime of the device */ -int ar6000_init(struct net_device *dev) -{ - AR_SOFTC_T *ar; - A_STATUS status; - A_INT32 timeleft; - - if((ar = netdev_priv(dev)) == NULL) - { - return(-EIO); - } - - /* Do we need to finish the BMI phase */ - if(BMIDone(ar->arHifDevice) != A_OK) - { - return -EIO; - } - - if (!bypasswmi) - { -#if 0 /* TBDXXX */ - if (ar->arVersion.host_ver != ar->arVersion.target_ver) { - A_PRINTF("WARNING: Host version 0x%x does not match Target " - " version 0x%x!\n", - ar->arVersion.host_ver, ar->arVersion.target_ver); - } -#endif - - /* Indicate that WMI is enabled (although not ready yet) */ - ar->arWmiEnabled = TRUE; - if ((ar->arWmi = wmi_init((void *) ar)) == NULL) - { - AR_DEBUG_PRINTF("%s() Failed to initialize WMI.\n", __func__); - return(-EIO); - } - - AR_DEBUG_PRINTF("%s() Got WMI @ 0x%08x.\n", __func__, - (unsigned int) ar->arWmi); - } - - do { - HTC_SERVICE_CONNECT_REQ connect; - - /* the reason we have to wait for the target here is that the driver layer - * has to init BMI in order to set the host block size, - */ - status = HTCWaitTarget(ar->arHtcTarget); - - if (A_FAILED(status)) { - break; - } - - A_MEMZERO(&connect,sizeof(connect)); - /* meta data is unused for now */ - connect.pMetaData = NULL; - connect.MetaDataLength = 0; - /* these fields are the same for all service endpoints */ - connect.EpCallbacks.pContext = ar; - connect.EpCallbacks.EpTxComplete = ar6000_tx_complete; - connect.EpCallbacks.EpRecv = ar6000_rx; - connect.EpCallbacks.EpRecvRefill = ar6000_rx_refill; - connect.EpCallbacks.EpSendFull = ar6000_tx_queue_full; - connect.EpCallbacks.EpSendAvail = ar6000_tx_queue_avail; - /* set the max queue depth so that our ar6000_tx_queue_full handler gets called. - * Linux has the peculiarity of not providing flow control between the - * NIC and the network stack. There is no API to indicate that a TX packet - * was sent which could provide some back pressure to the network stack. - * Under linux you would have to wait till the network stack consumed all sk_buffs - * before any back-flow kicked in. Which isn't very friendly. - * So we have to manage this ourselves */ - connect.MaxSendQueueDepth = 32; - - /* connect to control service */ - connect.ServiceID = WMI_CONTROL_SVC; - status = ar6000_connectservice(ar, - &connect, - WMI_CONTROL_PRI, - "WMI CONTROL"); - if (A_FAILED(status)) { - break; - } - - /* for the remaining data services set the connection flag to reduce dribbling, - * if configured to do so */ - if (reduce_credit_dribble) { - connect.ConnectionFlags |= HTC_CONNECT_FLAGS_REDUCE_CREDIT_DRIBBLE; - /* the credit dribble trigger threshold is (reduce_credit_dribble - 1) for a value - * of 0-3 */ - connect.ConnectionFlags &= ~HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_MASK; - connect.ConnectionFlags |= - ((A_UINT16)reduce_credit_dribble - 1) & HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_MASK; - } - /* connect to best-effort service */ - connect.ServiceID = WMI_DATA_BE_SVC; - - status = ar6000_connectservice(ar, - &connect, - WMI_BEST_EFFORT_PRI, - "WMI DATA BE"); - if (A_FAILED(status)) { - break; - } - - /* connect to back-ground - * map this to WMI LOW_PRI */ - connect.ServiceID = WMI_DATA_BK_SVC; - status = ar6000_connectservice(ar, - &connect, - WMI_LOW_PRI, - "WMI DATA BK"); - if (A_FAILED(status)) { - break; - } - - /* connect to Video service, map this to - * to HI PRI */ - connect.ServiceID = WMI_DATA_VI_SVC; - status = ar6000_connectservice(ar, - &connect, - WMI_HIGH_PRI, - "WMI DATA VI"); - if (A_FAILED(status)) { - break; - } - - /* connect to VO service, this is currently not - * mapped to a WMI priority stream due to historical reasons. - * WMI originally defined 3 priorities over 3 mailboxes - * We can change this when WMI is reworked so that priorities are not - * dependent on mailboxes */ - connect.ServiceID = WMI_DATA_VO_SVC; - status = ar6000_connectservice(ar, - &connect, - WMI_HIGHEST_PRI, - "WMI DATA VO"); - if (A_FAILED(status)) { - break; - } - - A_ASSERT(arWMIStream2EndpointID(ar,WMI_CONTROL_PRI) != 0); - A_ASSERT(arWMIStream2EndpointID(ar,WMI_BEST_EFFORT_PRI) != 0); - A_ASSERT(arWMIStream2EndpointID(ar,WMI_LOW_PRI) != 0); - A_ASSERT(arWMIStream2EndpointID(ar,WMI_HIGH_PRI) != 0); - A_ASSERT(arWMIStream2EndpointID(ar,WMI_HIGHEST_PRI) != 0); - } while (FALSE); - - if (A_FAILED(status)) { - return (-EIO); - } - - /* - * give our connected endpoints some buffers - */ - ar6000_rx_refill(ar, arWMIStream2EndpointID(ar,WMI_CONTROL_PRI)); - - ar6000_rx_refill(ar, arWMIStream2EndpointID(ar,WMI_BEST_EFFORT_PRI)); - - /* - * We will post the receive buffers only for SPE testing and so we are - * making it conditional on the 'bypasswmi' flag. - */ - if (bypasswmi) { - ar6000_rx_refill(ar,arWMIStream2EndpointID(ar,WMI_LOW_PRI)); - ar6000_rx_refill(ar,arWMIStream2EndpointID(ar,WMI_HIGH_PRI)); - } - - /* setup credit distribution */ - ar6000_setup_credit_dist(ar->arHtcTarget, &ar->arCreditStateInfo); - - /* Since cookies are used for HTC transports, they should be */ - /* initialized prior to enabling HTC. */ - ar6000_cookie_init(ar); - - /* start HTC */ - status = HTCStart(ar->arHtcTarget); - - if (status != A_OK) { - if (ar->arWmiEnabled == TRUE) { - wmi_shutdown(ar->arWmi); - ar->arWmiEnabled = FALSE; - ar->arWmi = NULL; - } - ar6000_cookie_cleanup(ar); - return -EIO; - } - - if (!bypasswmi) { - /* Wait for Wmi event to be ready */ - timeleft = wait_event_interruptible_timeout(arEvent, - (ar->arWmiReady == TRUE), wmitimeout * HZ); - - if(!timeleft || signal_pending(current)) - { - AR_DEBUG_PRINTF("WMI is not ready or wait was interrupted\n"); -#if defined(DWSIM) /* TBDXXX */ - AR_DEBUG_PRINTF(".....but proceed anyway.\n"); -#else - return -EIO; -#endif - } - - AR_DEBUG_PRINTF("%s() WMI is ready\n", __func__); - - /* Communicate the wmi protocol verision to the target */ - if ((ar6000_set_host_app_area(ar)) != A_OK) { - AR_DEBUG_PRINTF("Unable to set the host app area\n"); - } - } - - ar->arNumDataEndPts = 1; - - return(0); -} - - -void -ar6000_bitrate_rx(void *devt, A_INT32 rateKbps) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - - ar->arBitRate = rateKbps; - wake_up(&arEvent); -} - -void -ar6000_ratemask_rx(void *devt, A_UINT16 ratemask) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - - ar->arRateMask = ratemask; - wake_up(&arEvent); -} - -void -ar6000_txPwr_rx(void *devt, A_UINT8 txPwr) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - - ar->arTxPwr = txPwr; - wake_up(&arEvent); -} - - -void -ar6000_channelList_rx(void *devt, A_INT8 numChan, A_UINT16 *chanList) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - - A_MEMCPY(ar->arChannelList, chanList, numChan * sizeof (A_UINT16)); - ar->arNumChannels = numChan; - - wake_up(&arEvent); -} - -A_UINT8 -ar6000_ibss_map_epid(struct sk_buff *skb, struct net_device *dev, A_UINT32 * mapNo) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)netdev_priv(dev); - A_UINT8 *datap; - ATH_MAC_HDR *macHdr; - A_UINT32 i, eptMap; - - (*mapNo) = 0; - datap = A_NETBUF_DATA(skb); - macHdr = (ATH_MAC_HDR *)(datap + sizeof(WMI_DATA_HDR)); - if (IEEE80211_IS_MULTICAST(macHdr->dstMac)) { - return ENDPOINT_2; - } - - eptMap = -1; - for (i = 0; i < ar->arNodeNum; i ++) { - if (IEEE80211_ADDR_EQ(macHdr->dstMac, ar->arNodeMap[i].macAddress)) { - (*mapNo) = i + 1; - ar->arNodeMap[i].txPending ++; - return ar->arNodeMap[i].epId; - } - - if ((eptMap == -1) && !ar->arNodeMap[i].txPending) { - eptMap = i; - } - } - - if (eptMap == -1) { - eptMap = ar->arNodeNum; - ar->arNodeNum ++; - A_ASSERT(ar->arNodeNum <= MAX_NODE_NUM); - } - - A_MEMCPY(ar->arNodeMap[eptMap].macAddress, macHdr->dstMac, IEEE80211_ADDR_LEN); - - for (i = ENDPOINT_2; i <= ENDPOINT_5; i ++) { - if (!ar->arTxPending[i]) { - ar->arNodeMap[eptMap].epId = i; - break; - } - // No free endpoint is available, start redistribution on the inuse endpoints. - if (i == ENDPOINT_5) { - ar->arNodeMap[eptMap].epId = ar->arNexEpId; - ar->arNexEpId ++; - if (ar->arNexEpId > ENDPOINT_5) { - ar->arNexEpId = ENDPOINT_2; - } - } - } - - (*mapNo) = eptMap + 1; - ar->arNodeMap[eptMap].txPending ++; - - return ar->arNodeMap[eptMap].epId; -} - -#ifdef DEBUG -static void ar6000_dump_skb(struct sk_buff *skb) -{ - u_char *ch; - for (ch = A_NETBUF_DATA(skb); - (A_UINT32)ch < ((A_UINT32)A_NETBUF_DATA(skb) + - A_NETBUF_LEN(skb)); ch++) - { - AR_DEBUG_PRINTF("%2.2x ", *ch); - } - AR_DEBUG_PRINTF("\n"); -} -#endif - -static int -ar6000_data_tx(struct sk_buff *skb, struct net_device *dev) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)netdev_priv(dev); - WMI_PRI_STREAM_ID streamID = WMI_NOT_MAPPED; - A_UINT32 mapNo = 0; - int len; - struct ar_cookie *cookie; - A_BOOL checkAdHocPsMapping = FALSE; - -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13) - skb->list = NULL; -#endif - - AR_DEBUG2_PRINTF("ar6000_data_tx start - skb=0x%x, data=0x%x, len=0x%x\n", - (A_UINT32)skb, (A_UINT32)A_NETBUF_DATA(skb), - A_NETBUF_LEN(skb)); -#ifdef CONFIG_HOST_TCMD_SUPPORT - /* TCMD doesnt support any data, free the buf and return */ - if(ar->arTargetMode == AR6000_TCMD_MODE) { - A_NETBUF_FREE(skb); - return 0; - } -#endif - do { - - if (ar->arWmiReady == FALSE && bypasswmi == 0) { - break; - } - -#ifdef BLOCK_TX_PATH_FLAG - if (blocktx) { - break; - } -#endif /* BLOCK_TX_PATH_FLAG */ - - if (ar->arWmiEnabled) { - if (A_NETBUF_HEADROOM(skb) < dev->hard_header_len) { - struct sk_buff *newbuf; - /* - * We really should have gotten enough headroom but sometimes - * we still get packets with not enough headroom. Copy the packet. - */ - len = A_NETBUF_LEN(skb); - newbuf = A_NETBUF_ALLOC(len); - if (newbuf == NULL) { - break; - } - A_NETBUF_PUT(newbuf, len); - A_MEMCPY(A_NETBUF_DATA(newbuf), A_NETBUF_DATA(skb), len); - A_NETBUF_FREE(skb); - skb = newbuf; - /* fall through and assemble header */ - } - - if (wmi_dix_2_dot3(ar->arWmi, skb) != A_OK) { - AR_DEBUG_PRINTF("ar6000_data_tx - wmi_dix_2_dot3 failed\n"); - break; - } - - if (wmi_data_hdr_add(ar->arWmi, skb, DATA_MSGTYPE) != A_OK) { - AR_DEBUG_PRINTF("ar6000_data_tx - wmi_data_hdr_add failed\n"); - break; - } - - if ((ar->arNetworkType == ADHOC_NETWORK) && - ar->arIbssPsEnable && ar->arConnected) { - /* flag to check adhoc mapping once we take the lock below: */ - checkAdHocPsMapping = TRUE; - - } else { - /* get the stream mapping */ - if (ar->arWmmEnabled) { - streamID = wmi_get_stream_id(ar->arWmi, - wmi_implicit_create_pstream(ar->arWmi, skb, UPLINK_TRAFFIC, UNDEFINED_PRI)); - } else { - streamID = WMI_BEST_EFFORT_PRI; - } - } - - } else { - struct iphdr *ipHdr; - /* - * the endpoint is directly based on the TOS field in the IP - * header **** only for testing ****** - */ - ipHdr = A_NETBUF_DATA(skb) + sizeof(ATH_MAC_HDR); - /* here we map the TOS field to an endpoint number, this is for - * the endpointping test application */ - streamID = IP_TOS_TO_WMI_PRI(ipHdr->tos); - } - - } while (FALSE); - - /* did we succeed ? */ - if ((streamID == WMI_NOT_MAPPED) && !checkAdHocPsMapping) { - /* cleanup and exit */ - A_NETBUF_FREE(skb); - AR6000_STAT_INC(ar, tx_dropped); - AR6000_STAT_INC(ar, tx_aborted_errors); - return 0; - } - - cookie = NULL; - - /* take the lock to protect driver data */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - - do { - - if (checkAdHocPsMapping) { - streamID = ar6000_ibss_map_epid(skb, dev, &mapNo); - } - - A_ASSERT(streamID != WMI_NOT_MAPPED); - - /* validate that the endpoint is connected */ - if (arWMIStream2EndpointID(ar,streamID) == 0) { - AR_DEBUG_PRINTF("Stream %d is NOT mapped!\n",streamID); - break; - } - /* allocate resource for this packet */ - cookie = ar6000_alloc_cookie(ar); - - if (cookie != NULL) { - /* update counts while the lock is held */ - ar->arTxPending[streamID]++; - ar->arTotalTxDataPending++; - } - - } while (FALSE); - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - if (cookie != NULL) { - cookie->arc_bp[0] = (A_UINT32)skb; - cookie->arc_bp[1] = mapNo; - SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt, - cookie, - A_NETBUF_DATA(skb), - A_NETBUF_LEN(skb), - arWMIStream2EndpointID(ar,streamID), - AR6K_DATA_PKT_TAG); - -#ifdef DEBUG - if (debugdriver >= 3) { - ar6000_dump_skb(skb); - } -#endif - /* HTC interface is asynchronous, if this fails, cleanup will happen in - * the ar6000_tx_complete callback */ - HTCSendPkt(ar->arHtcTarget, &cookie->HtcPkt); - } else { - /* no packet to send, cleanup */ - A_NETBUF_FREE(skb); - AR6000_STAT_INC(ar, tx_dropped); - AR6000_STAT_INC(ar, tx_aborted_errors); - } - - return 0; -} - -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL -static void -tvsub(register struct timeval *out, register struct timeval *in) -{ - if((out->tv_usec -= in->tv_usec) < 0) { - out->tv_sec--; - out->tv_usec += 1000000; - } - out->tv_sec -= in->tv_sec; -} - -void -applyAPTCHeuristics(AR_SOFTC_T *ar) -{ - A_UINT32 duration; - A_UINT32 numbytes; - A_UINT32 throughput; - struct timeval ts; - A_STATUS status; - - AR6000_SPIN_LOCK(&ar->arLock, 0); - - if ((enableAPTCHeuristics) && (!aptcTR.timerScheduled)) { - do_gettimeofday(&ts); - tvsub(&ts, &aptcTR.samplingTS); - duration = ts.tv_sec * 1000 + ts.tv_usec / 1000; /* ms */ - numbytes = aptcTR.bytesTransmitted + aptcTR.bytesReceived; - - if (duration > APTC_TRAFFIC_SAMPLING_INTERVAL) { - /* Initialize the time stamp and byte count */ - aptcTR.bytesTransmitted = aptcTR.bytesReceived = 0; - do_gettimeofday(&aptcTR.samplingTS); - - /* Calculate and decide based on throughput thresholds */ - throughput = ((numbytes * 8) / duration); - if (throughput > APTC_UPPER_THROUGHPUT_THRESHOLD) { - /* Disable Sleep and schedule a timer */ - A_ASSERT(ar->arWmiReady == TRUE); - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - status = wmi_powermode_cmd(ar->arWmi, MAX_PERF_POWER); - AR6000_SPIN_LOCK(&ar->arLock, 0); - A_TIMEOUT_MS(&aptcTimer, APTC_TRAFFIC_SAMPLING_INTERVAL, 0); - aptcTR.timerScheduled = TRUE; - } - } - } - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); -} -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - -static void -ar6000_tx_queue_full(void *Context, HTC_ENDPOINT_ID Endpoint) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *) Context; - - if (Endpoint == arWMIStream2EndpointID(ar,WMI_CONTROL_PRI)) { - if (!bypasswmi) { - /* under normal WMI if this is getting full, then something is running rampant - * the host should not be exhausting the WMI queue with too many commands - * the only exception to this is during testing using endpointping */ - - AR6000_SPIN_LOCK(&ar->arLock, 0); - /* set flag to handle subsequent messages */ - ar->arWMIControlEpFull = TRUE; - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - AR_DEBUG_PRINTF("WMI Control Endpoint is FULL!!! \n"); - } - } else { - /* one of the data endpoints queues is getting full..need to stop network stack - * the queue will resume after credits received */ - netif_stop_queue(ar->arNetDev); - } -} - -static void -ar6000_tx_queue_avail(void *Context, HTC_ENDPOINT_ID Endpoint) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Context; - - if (Endpoint == arWMIStream2EndpointID(ar,WMI_CONTROL_PRI)) { - /* FIXME: what do for it? */ - } else { - /* Wake up interface, rescheduling prevented. */ - if (ar->arConnected == TRUE || bypasswmi) - netif_wake_queue(ar->arNetDev); - } -} - -static void -ar6000_tx_complete(void *Context, HTC_PACKET *pPacket) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Context; - void *cookie = (void *)pPacket->pPktContext; - struct sk_buff *skb = NULL; - A_UINT32 mapNo = 0; - A_STATUS status; - struct ar_cookie * ar_cookie; - WMI_PRI_STREAM_ID streamID; - A_BOOL wakeEvent = FALSE; - - status = pPacket->Status; - ar_cookie = (struct ar_cookie *)cookie; - skb = (struct sk_buff *)ar_cookie->arc_bp[0]; - streamID = arEndpoint2WMIStreamID(ar,pPacket->Endpoint); - mapNo = ar_cookie->arc_bp[1]; - - A_ASSERT(skb); - A_ASSERT(pPacket->pBuffer == A_NETBUF_DATA(skb)); - - if (A_SUCCESS(status)) { - A_ASSERT(pPacket->ActualLength == A_NETBUF_LEN(skb)); - } - - AR_DEBUG2_PRINTF("ar6000_tx_complete skb=0x%x data=0x%x len=0x%x sid=%d ", - (A_UINT32)skb, (A_UINT32)pPacket->pBuffer, - pPacket->ActualLength, - streamID); - - /* lock the driver as we update internal state */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - - ar->arTxPending[streamID]--; - - if ((streamID != WMI_CONTROL_PRI) || bypasswmi) { - ar->arTotalTxDataPending--; - } - - if (streamID == WMI_CONTROL_PRI) - { - if (ar->arWMIControlEpFull) { - /* since this packet completed, the WMI EP is no longer full */ - ar->arWMIControlEpFull = FALSE; - } - - if (ar->arTxPending[streamID] == 0) { - wakeEvent = TRUE; - } - } - - if (A_FAILED(status)) { - AR_DEBUG_PRINTF("%s() -TX ERROR, status: 0x%x\n", __func__, - status); - AR6000_STAT_INC(ar, tx_errors); - } else { - AR_DEBUG2_PRINTF("OK\n"); - AR6000_STAT_INC(ar, tx_packets); - ar->arNetStats.tx_bytes += A_NETBUF_LEN(skb); -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL - aptcTR.bytesTransmitted += a_netbuf_to_len(skb); - applyAPTCHeuristics(ar); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - } - - // TODO this needs to be looked at - if ((ar->arNetworkType == ADHOC_NETWORK) && ar->arIbssPsEnable - && (streamID != WMI_CONTROL_PRI) && mapNo) - { - mapNo --; - ar->arNodeMap[mapNo].txPending --; - - if (!ar->arNodeMap[mapNo].txPending && (mapNo == (ar->arNodeNum - 1))) { - A_UINT32 i; - for (i = ar->arNodeNum; i > 0; i --) { - if (!ar->arNodeMap[i - 1].txPending) { - A_MEMZERO(&ar->arNodeMap[i - 1], sizeof(struct ar_node_mapping)); - ar->arNodeNum --; - } else { - break; - } - } - } - } - - /* Freeing a cookie should not be contingent on either of */ - /* these flags, just if we have a cookie or not. */ - /* Can we even get here without a cookie? Fix later. */ - if (ar->arWmiReady == TRUE || (bypasswmi)) - { - ar6000_free_cookie(ar, cookie); - } - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - /* lock is released, we can freely call other kernel APIs */ - - /* this indirectly frees the HTC_PACKET */ - A_NETBUF_FREE(skb); - - if (wakeEvent) { - wake_up(&arEvent); - } -} - -/* - * Receive event handler. This is called by HTC when a packet is received - */ -int pktcount; -static void -ar6000_rx(void *Context, HTC_PACKET *pPacket) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Context; - struct sk_buff *skb = (struct sk_buff *)pPacket->pPktContext; - int minHdrLen; - A_STATUS status = pPacket->Status; - WMI_PRI_STREAM_ID streamID = arEndpoint2WMIStreamID(ar,pPacket->Endpoint); - HTC_ENDPOINT_ID ept = pPacket->Endpoint; - - A_ASSERT((status != A_OK) || (pPacket->pBuffer == (A_NETBUF_DATA(skb) + HTC_HEADER_LEN))); - - AR_DEBUG2_PRINTF("ar6000_rx ar=0x%x sid=%d, skb=0x%x, data=0x%x, len=0x%x ", - (A_UINT32)ar, streamID, (A_UINT32)skb, (A_UINT32)pPacket->pBuffer, - pPacket->ActualLength); - if (status != A_OK) { - AR_DEBUG2_PRINTF("ERR\n"); - } else { - AR_DEBUG2_PRINTF("OK\n"); - } - - /* take lock to protect buffer counts - * and adaptive power throughput state */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - - ar->arRxBuffers[streamID]--; - - if (A_SUCCESS(status)) { - AR6000_STAT_INC(ar, rx_packets); - ar->arNetStats.rx_bytes += pPacket->ActualLength; -#ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL - aptcTR.bytesReceived += a_netbuf_to_len(skb); - applyAPTCHeuristics(ar); -#endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */ - - A_NETBUF_PUT(skb, pPacket->ActualLength + HTC_HEADER_LEN); - A_NETBUF_PULL(skb, HTC_HEADER_LEN); - -#ifdef DEBUG - if (debugdriver >= 2) { - ar6000_dump_skb(skb); - } -#endif /* DEBUG */ - } - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - if (status != A_OK) { - AR6000_STAT_INC(ar, rx_errors); - A_NETBUF_FREE(skb); - } else if (ar->arWmiEnabled == TRUE) { - if (streamID == WMI_CONTROL_PRI) { - /* - * this is a wmi control msg - */ - wmi_control_rx(ar->arWmi, skb); - } else { - WMI_DATA_HDR *dhdr = (WMI_DATA_HDR *)A_NETBUF_DATA(skb); - if (WMI_DATA_HDR_IS_MSG_TYPE(dhdr, CNTL_MSGTYPE)) { - /* - * this is a wmi control msg - */ - /* strip off WMI hdr */ - wmi_data_hdr_remove(ar->arWmi, skb); - wmi_control_rx(ar->arWmi, skb); - } else { - /* - * this is a wmi data packet - */ - minHdrLen = sizeof (WMI_DATA_HDR) + sizeof(ATH_MAC_HDR) + - sizeof(ATH_LLC_SNAP_HDR); - - if ((pPacket->ActualLength < minHdrLen) || - (pPacket->ActualLength > AR6000_BUFFER_SIZE)) - { - /* - * packet is too short or too long - */ - AR_DEBUG_PRINTF("TOO SHORT or TOO LONG\n"); - AR6000_STAT_INC(ar, rx_errors); - AR6000_STAT_INC(ar, rx_length_errors); - A_NETBUF_FREE(skb); - } else { - if (ar->arWmmEnabled) { - wmi_implicit_create_pstream(ar->arWmi, skb, - DNLINK_TRAFFIC, UNDEFINED_PRI); - } -#if 0 - /* Access RSSI values here */ - AR_DEBUG_PRINTF("RSSI %d\n", - ((WMI_DATA_HDR *) A_NETBUF_DATA(skb))->rssi); -#endif - wmi_data_hdr_remove(ar->arWmi, skb); - wmi_dot3_2_dix(ar->arWmi, skb); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - /* - * extra push and memcpy, for eth_type_trans() of 2.4 kernel - * will pull out hard_header_len bytes of the skb. - */ - A_NETBUF_PUSH(skb, sizeof(WMI_DATA_HDR) + sizeof(ATH_LLC_SNAP_HDR) + HTC_HEADER_LEN); - A_MEMCPY(A_NETBUF_DATA(skb), A_NETBUF_DATA(skb) + sizeof(WMI_DATA_HDR) + - sizeof(ATH_LLC_SNAP_HDR) + HTC_HEADER_LEN, sizeof(ATH_MAC_HDR)); -#endif - if ((ar->arNetDev->flags & IFF_UP) == IFF_UP) - { - skb->dev = ar->arNetDev; - skb->protocol = eth_type_trans(skb, ar->arNetDev); - netif_rx(skb); - } - else - { - A_NETBUF_FREE(skb); - } - } - } - } - } else { - if ((ar->arNetDev->flags & IFF_UP) == IFF_UP) - { - skb->dev = ar->arNetDev; - skb->protocol = eth_type_trans(skb, ar->arNetDev); - netif_rx(skb); - } - else - { - A_NETBUF_FREE(skb); - } - } - - if (status != A_ECANCELED) { - /* - * HTC provides A_ECANCELED status when it doesn't want to be refilled - * (probably due to a shutdown) - */ - ar6000_rx_refill(Context, ept); - } - - -} - -static void -ar6000_rx_refill(void *Context, HTC_ENDPOINT_ID Endpoint) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)Context; - void *osBuf; - int RxBuffers; - int buffersToRefill; - HTC_PACKET *pPacket; - WMI_PRI_STREAM_ID streamId = arEndpoint2WMIStreamID(ar,Endpoint); - - buffersToRefill = (int)AR6000_MAX_RX_BUFFERS - - (int)ar->arRxBuffers[streamId]; - - if (buffersToRefill <= 0) { - /* fast return, nothing to fill */ - return; - } - - AR_DEBUG2_PRINTF("ar6000_rx_refill: providing htc with %d buffers at eid=%d\n", - buffersToRefill, Endpoint); - - for (RxBuffers = 0; RxBuffers < buffersToRefill; RxBuffers++) { - osBuf = A_NETBUF_ALLOC(AR6000_BUFFER_SIZE); - if (NULL == osBuf) { - break; - } - /* the HTC packet wrapper is at the head of the reserved area - * in the skb */ - pPacket = (HTC_PACKET *)(A_NETBUF_HEAD(osBuf)); - /* set re-fill info */ - SET_HTC_PACKET_INFO_RX_REFILL(pPacket,osBuf,A_NETBUF_DATA(osBuf),AR6000_BUFFER_SIZE,Endpoint); - /* add this packet */ - HTCAddReceivePkt(ar->arHtcTarget, pPacket); - } - - /* update count */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - ar->arRxBuffers[streamId] += RxBuffers; - AR6000_SPIN_UNLOCK(&ar->arLock, 0); -} - -static struct net_device_stats * -ar6000_get_stats(struct net_device *dev) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)netdev_priv(dev); - return &ar->arNetStats; -} - -static struct iw_statistics * -ar6000_get_iwstats(struct net_device * dev) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)netdev_priv(dev); - TARGET_STATS *pStats = &ar->arTargetStats; - struct iw_statistics * pIwStats = &ar->arIwStats; - - if ((ar->arWmiReady == FALSE) - /* - * The in_atomic function is used to determine if the scheduling is - * allowed in the current context or not. This was introduced in 2.6 - * From what I have read on the differences between 2.4 and 2.6, the - * 2.4 kernel did not support preemption and so this check might not - * be required for 2.4 kernels. - */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - || (in_atomic()) -#endif - ) - { - pIwStats->status = 0; - pIwStats->qual.qual = 0; - pIwStats->qual.level =0; - pIwStats->qual.noise = 0; - pIwStats->discard.code =0; - pIwStats->discard.retries=0; - pIwStats->miss.beacon =0; - return pIwStats; - } - if (down_interruptible(&ar->arSem)) { - pIwStats->status = 0; - return pIwStats; - } - - - ar->statsUpdatePending = TRUE; - - if(wmi_get_stats_cmd(ar->arWmi) != A_OK) { - up(&ar->arSem); - pIwStats->status = 0; - return pIwStats; - } - - wait_event_interruptible_timeout(arEvent, ar->statsUpdatePending == FALSE, wmitimeout * HZ); - - if (signal_pending(current)) { - AR_DEBUG_PRINTF("ar6000 : WMI get stats timeout \n"); - up(&ar->arSem); - pIwStats->status = 0; - return pIwStats; - } - pIwStats->status = 1 ; - pIwStats->qual.qual = pStats->cs_aveBeacon_rssi; - pIwStats->qual.level =pStats->cs_aveBeacon_rssi + 161; /* noise is -95 dBm */ - pIwStats->qual.noise = pStats->noise_floor_calibation; - pIwStats->discard.code = pStats->rx_decrypt_err; - pIwStats->discard.retries = pStats->tx_retry_cnt; - pIwStats->miss.beacon = pStats->cs_bmiss_cnt; - up(&ar->arSem); - return pIwStats; -} - -void -ar6000_ready_event(void *devt, A_UINT8 *datap, A_UINT8 phyCap) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - struct net_device *dev = ar->arNetDev; - - ar->arWmiReady = TRUE; - wake_up(&arEvent); - A_MEMCPY(dev->dev_addr, datap, AR6000_ETH_ADDR_LEN); - AR_DEBUG_PRINTF("mac address = %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", - dev->dev_addr[0], dev->dev_addr[1], - dev->dev_addr[2], dev->dev_addr[3], - dev->dev_addr[4], dev->dev_addr[5]); - - ar->arPhyCapability = phyCap; -} - -A_UINT8 -ar6000_iptos_to_userPriority(A_UINT8 *pkt) -{ - struct iphdr *ipHdr = (struct iphdr *)pkt; - A_UINT8 userPriority; - - /* - * IP Tos format : - * (Refer Pg 57 WMM-test-plan-v1.2) - * IP-TOS - 8bits - * : DSCP(6-bits) ECN(2-bits) - * : DSCP - P2 P1 P0 X X X - * where (P2 P1 P0) form 802.1D - */ - userPriority = ipHdr->tos >> 5; - return (userPriority & 0x7); -} - -void -ar6000_connect_event(AR_SOFTC_T *ar, A_UINT16 channel, A_UINT8 *bssid, - A_UINT16 listenInterval, A_UINT16 beaconInterval, - NETWORK_TYPE networkType, A_UINT8 beaconIeLen, - A_UINT8 assocReqLen, A_UINT8 assocRespLen, - A_UINT8 *assocInfo) -{ - union iwreq_data wrqu; - int i, beacon_ie_pos, assoc_resp_ie_pos, assoc_req_ie_pos; - static const char *tag1 = "ASSOCINFO(ReqIEs="; - static const char *tag2 = "ASSOCRESPIE="; - static const char *beaconIetag = "BEACONIE="; - char buf[WMI_CONTROL_MSG_MAX_LEN * 2 + sizeof(tag1)]; - char *pos; - A_UINT8 key_op_ctrl; - - A_MEMCPY(ar->arBssid, bssid, sizeof(ar->arBssid)); - ar->arBssChannel = channel; - - A_PRINTF("AR6000 connected event on freq %d ", channel); - A_PRINTF("with bssid %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " - " listenInterval=%d, beaconInterval = %d, beaconIeLen = %d assocReqLen=%d" - " assocRespLen =%d\n", - bssid[0], bssid[1], bssid[2], - bssid[3], bssid[4], bssid[5], - listenInterval, beaconInterval, - beaconIeLen, assocReqLen, assocRespLen); - if (networkType & ADHOC_NETWORK) { - if (networkType & ADHOC_CREATOR) { - A_PRINTF("Network: Adhoc (Creator)\n"); - } else { - A_PRINTF("Network: Adhoc (Joiner)\n"); - } - } else { - A_PRINTF("Network: Infrastructure\n"); - } - - if (beaconIeLen && (sizeof(buf) > (9 + beaconIeLen * 2))) { - AR_DEBUG_PRINTF("\nBeaconIEs= "); - - beacon_ie_pos = 0; - A_MEMZERO(buf, sizeof(buf)); - sprintf(buf, "%s", beaconIetag); - pos = buf + 9; - for (i = beacon_ie_pos; i < beacon_ie_pos + beaconIeLen; i++) { - AR_DEBUG_PRINTF("%2.2x ", assocInfo[i]); - sprintf(pos, "%2.2x", assocInfo[i]); - pos += 2; - } - AR_DEBUG_PRINTF("\n"); - - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); - } - - if (assocRespLen && (sizeof(buf) > (12 + (assocRespLen * 2)))) - { - assoc_resp_ie_pos = beaconIeLen + assocReqLen + - sizeof(A_UINT16) + /* capinfo*/ - sizeof(A_UINT16) + /* status Code */ - sizeof(A_UINT16) ; /* associd */ - A_MEMZERO(buf, sizeof(buf)); - sprintf(buf, "%s", tag2); - pos = buf + 12; - AR_DEBUG_PRINTF("\nAssocRespIEs= "); - /* - * The Association Response Frame w.o. the WLAN header is delivered to - * the host, so skip over to the IEs - */ - for (i = assoc_resp_ie_pos; i < assoc_resp_ie_pos + assocRespLen - 6; i++) - { - AR_DEBUG_PRINTF("%2.2x ", assocInfo[i]); - sprintf(pos, "%2.2x", assocInfo[i]); - pos += 2; - } - AR_DEBUG_PRINTF("\n"); - - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); - } - - if (assocReqLen && (sizeof(buf) > (17 + (assocReqLen * 2)))) { - /* - * assoc Request includes capability and listen interval. Skip these. - */ - assoc_req_ie_pos = beaconIeLen + - sizeof(A_UINT16) + /* capinfo*/ - sizeof(A_UINT16); /* listen interval */ - - A_MEMZERO(buf, sizeof(buf)); - sprintf(buf, "%s", tag1); - pos = buf + 17; - AR_DEBUG_PRINTF("AssocReqIEs= "); - for (i = assoc_req_ie_pos; i < assoc_req_ie_pos + assocReqLen - 4; i++) { - AR_DEBUG_PRINTF("%2.2x ", assocInfo[i]); - sprintf(pos, "%2.2x", assocInfo[i]); - pos += 2;; - } - AR_DEBUG_PRINTF("\n"); - - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); - } - -#ifdef USER_KEYS - if (ar->user_savedkeys_stat == USER_SAVEDKEYS_STAT_RUN && - ar->user_saved_keys.keyOk == TRUE) - { - - key_op_ctrl = KEY_OP_VALID_MASK & ~KEY_OP_INIT_TSC; - if (ar->user_key_ctrl & AR6000_USER_SETKEYS_RSC_UNCHANGED) { - key_op_ctrl &= ~KEY_OP_INIT_RSC; - } else { - key_op_ctrl |= KEY_OP_INIT_RSC; - } - ar6000_reinstall_keys(ar, key_op_ctrl); - } -#endif /* USER_KEYS */ - - /* flush data queues */ - ar6000_TxDataCleanup(ar); - - netif_start_queue(ar->arNetDev); - - if ((OPEN_AUTH == ar->arDot11AuthMode) && - (NONE_AUTH == ar->arAuthMode) && - (WEP_CRYPT == ar->arPairwiseCrypto)) - { - if (!ar->arConnected) { - ar6000_install_static_wep_keys(ar); - } - } - - ar->arConnected = TRUE; - ar->arConnectPending = FALSE; - - reconnect_flag = 0; - - A_MEMZERO(&wrqu, sizeof(wrqu)); - A_MEMCPY(wrqu.addr.sa_data, bssid, IEEE80211_ADDR_LEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - wireless_send_event(ar->arNetDev, SIOCGIWAP, &wrqu, NULL); - if ((ar->arNetworkType == ADHOC_NETWORK) && ar->arIbssPsEnable) { - A_MEMZERO(ar->arNodeMap, sizeof(ar->arNodeMap)); - ar->arNodeNum = 0; - ar->arNexEpId = ENDPOINT_2; - } - -} - -void ar6000_set_numdataendpts(AR_SOFTC_T *ar, A_UINT32 num) -{ - A_ASSERT(num <= (HTC_MAILBOX_NUM_MAX - 1)); - ar->arNumDataEndPts = num; -} - -void -ar6000_disconnect_event(AR_SOFTC_T *ar, A_UINT8 reason, A_UINT8 *bssid, - A_UINT8 assocRespLen, A_UINT8 *assocInfo, A_UINT16 protocolReasonStatus) -{ - A_UINT8 i; - - A_PRINTF("AR6000 disconnected"); - if (bssid[0] || bssid[1] || bssid[2] || bssid[3] || bssid[4] || bssid[5]) { - A_PRINTF(" from %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x ", - bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5]); - } - A_PRINTF("\n"); - - AR_DEBUG_PRINTF("\nDisconnect Reason is %d", reason); - AR_DEBUG_PRINTF("\nProtocol Reason/Status Code is %d", protocolReasonStatus); - AR_DEBUG_PRINTF("\nAssocResp Frame = %s", - assocRespLen ? " " : "NULL"); - for (i = 0; i < assocRespLen; i++) { - if (!(i % 0x10)) { - AR_DEBUG_PRINTF("\n"); - } - AR_DEBUG_PRINTF("%2.2x ", assocInfo[i]); - } - AR_DEBUG_PRINTF("\n"); - /* - * If the event is due to disconnect cmd from the host, only they the target - * would stop trying to connect. Under any other condition, target would - * keep trying to connect. - * - */ - if( reason == DISCONNECT_CMD) - { - ar->arConnectPending = FALSE; - } else { - ar->arConnectPending = TRUE; - if (((reason == ASSOC_FAILED) && (protocolReasonStatus == 0x11)) || - ((reason == ASSOC_FAILED) && (protocolReasonStatus == 0x0) && (reconnect_flag == 1))) { - ar->arConnected = TRUE; - return; - } - } - ar->arConnected = FALSE; - - if( (reason != CSERV_DISCONNECT) || (reconnect_flag != 1) ) { - reconnect_flag = 0; - } - -#ifdef USER_KEYS - if (reason != CSERV_DISCONNECT) - { - ar->user_savedkeys_stat = USER_SAVEDKEYS_STAT_INIT; - ar->user_key_ctrl = 0; - } -#endif /* USER_KEYS */ - - netif_stop_queue(ar->arNetDev); - A_MEMZERO(ar->arBssid, sizeof(ar->arBssid)); - ar->arBssChannel = 0; - ar->arBeaconInterval = 0; - - ar6000_TxDataCleanup(ar); -} - -void -ar6000_regDomain_event(AR_SOFTC_T *ar, A_UINT32 regCode) -{ - A_PRINTF("AR6000 Reg Code = 0x%x\n", regCode); - ar->arRegCode = regCode; -} - -void -ar6000_neighborReport_event(AR_SOFTC_T *ar, int numAps, WMI_NEIGHBOR_INFO *info) -{ - static const char *tag = "PRE-AUTH"; - char buf[128]; - union iwreq_data wrqu; - int i; - - AR_DEBUG_PRINTF("AR6000 Neighbor Report Event\n"); - for (i=0; i < numAps; info++, i++) { - AR_DEBUG_PRINTF("bssid %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x ", - info->bssid[0], info->bssid[1], info->bssid[2], - info->bssid[3], info->bssid[4], info->bssid[5]); - if (info->bssFlags & WMI_PREAUTH_CAPABLE_BSS) { - AR_DEBUG_PRINTF("preauth-cap"); - } - if (info->bssFlags & WMI_PMKID_VALID_BSS) { - AR_DEBUG_PRINTF(" pmkid-valid\n"); - continue; /* we skip bss if the pmkid is already valid */ - } - AR_DEBUG_PRINTF("\n"); - snprintf(buf, sizeof(buf), "%s%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x", - tag, - info->bssid[0], info->bssid[1], info->bssid[2], - info->bssid[3], info->bssid[4], info->bssid[5], - i, info->bssFlags); - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); - } -} - -void -ar6000_tkip_micerr_event(AR_SOFTC_T *ar, A_UINT8 keyid, A_BOOL ismcast) -{ - static const char *tag = "MLME-MICHAELMICFAILURE.indication"; - char buf[128]; - union iwreq_data wrqu; - - A_PRINTF("AR6000 TKIP MIC error received for keyid %d %scast\n", - keyid, ismcast ? "multi": "uni"); - snprintf(buf, sizeof(buf), "%s(keyid=%d %scat)", tag, keyid, - ismcast ? "multi" : "uni"); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); -} - -void -ar6000_scanComplete_event(AR_SOFTC_T *ar, A_STATUS status) -{ - AR_DEBUG_PRINTF("AR6000 scan complete: %d\n", status); - - ar->scan_complete = 1; - wake_up_interruptible(&ar6000_scan_queue); -} - -void -ar6000_targetStats_event(AR_SOFTC_T *ar, WMI_TARGET_STATS *pTarget) -{ - TARGET_STATS *pStats = &ar->arTargetStats; - A_UINT8 ac; - - /*A_PRINTF("AR6000 updating target stats\n");*/ - pStats->tx_packets += pTarget->txrxStats.tx_stats.tx_packets; - pStats->tx_bytes += pTarget->txrxStats.tx_stats.tx_bytes; - pStats->tx_unicast_pkts += pTarget->txrxStats.tx_stats.tx_unicast_pkts; - pStats->tx_unicast_bytes += pTarget->txrxStats.tx_stats.tx_unicast_bytes; - pStats->tx_multicast_pkts += pTarget->txrxStats.tx_stats.tx_multicast_pkts; - pStats->tx_multicast_bytes += pTarget->txrxStats.tx_stats.tx_multicast_bytes; - pStats->tx_broadcast_pkts += pTarget->txrxStats.tx_stats.tx_broadcast_pkts; - pStats->tx_broadcast_bytes += pTarget->txrxStats.tx_stats.tx_broadcast_bytes; - pStats->tx_rts_success_cnt += pTarget->txrxStats.tx_stats.tx_rts_success_cnt; - for(ac = 0; ac < WMM_NUM_AC; ac++) - pStats->tx_packet_per_ac[ac] += pTarget->txrxStats.tx_stats.tx_packet_per_ac[ac]; - pStats->tx_errors += pTarget->txrxStats.tx_stats.tx_errors; - pStats->tx_failed_cnt += pTarget->txrxStats.tx_stats.tx_failed_cnt; - pStats->tx_retry_cnt += pTarget->txrxStats.tx_stats.tx_retry_cnt; - pStats->tx_rts_fail_cnt += pTarget->txrxStats.tx_stats.tx_rts_fail_cnt; - pStats->tx_unicast_rate = wmi_get_rate(pTarget->txrxStats.tx_stats.tx_unicast_rate); - - pStats->rx_packets += pTarget->txrxStats.rx_stats.rx_packets; - pStats->rx_bytes += pTarget->txrxStats.rx_stats.rx_bytes; - pStats->rx_unicast_pkts += pTarget->txrxStats.rx_stats.rx_unicast_pkts; - pStats->rx_unicast_bytes += pTarget->txrxStats.rx_stats.rx_unicast_bytes; - pStats->rx_multicast_pkts += pTarget->txrxStats.rx_stats.rx_multicast_pkts; - pStats->rx_multicast_bytes += pTarget->txrxStats.rx_stats.rx_multicast_bytes; - pStats->rx_broadcast_pkts += pTarget->txrxStats.rx_stats.rx_broadcast_pkts; - pStats->rx_broadcast_bytes += pTarget->txrxStats.rx_stats.rx_broadcast_bytes; - pStats->rx_fragment_pkt += pTarget->txrxStats.rx_stats.rx_fragment_pkt; - pStats->rx_errors += pTarget->txrxStats.rx_stats.rx_errors; - pStats->rx_crcerr += pTarget->txrxStats.rx_stats.rx_crcerr; - pStats->rx_key_cache_miss += pTarget->txrxStats.rx_stats.rx_key_cache_miss; - pStats->rx_decrypt_err += pTarget->txrxStats.rx_stats.rx_decrypt_err; - pStats->rx_duplicate_frames += pTarget->txrxStats.rx_stats.rx_duplicate_frames; - pStats->rx_unicast_rate = wmi_get_rate(pTarget->txrxStats.rx_stats.rx_unicast_rate); - - - pStats->tkip_local_mic_failure - += pTarget->txrxStats.tkipCcmpStats.tkip_local_mic_failure; - pStats->tkip_counter_measures_invoked - += pTarget->txrxStats.tkipCcmpStats.tkip_counter_measures_invoked; - pStats->tkip_replays += pTarget->txrxStats.tkipCcmpStats.tkip_replays; - pStats->tkip_format_errors += pTarget->txrxStats.tkipCcmpStats.tkip_format_errors; - pStats->ccmp_format_errors += pTarget->txrxStats.tkipCcmpStats.ccmp_format_errors; - pStats->ccmp_replays += pTarget->txrxStats.tkipCcmpStats.ccmp_replays; - - - pStats->power_save_failure_cnt += pTarget->pmStats.power_save_failure_cnt; - pStats->noise_floor_calibation = pTarget->noise_floor_calibation; - - pStats->cs_bmiss_cnt += pTarget->cservStats.cs_bmiss_cnt; - pStats->cs_lowRssi_cnt += pTarget->cservStats.cs_lowRssi_cnt; - pStats->cs_connect_cnt += pTarget->cservStats.cs_connect_cnt; - pStats->cs_disconnect_cnt += pTarget->cservStats.cs_disconnect_cnt; - pStats->cs_aveBeacon_snr = pTarget->cservStats.cs_aveBeacon_snr; - pStats->cs_aveBeacon_rssi = pTarget->cservStats.cs_aveBeacon_rssi; - pStats->cs_lastRoam_msec = pTarget->cservStats.cs_lastRoam_msec; - pStats->cs_snr = pTarget->cservStats.cs_snr; - pStats->cs_rssi = pTarget->cservStats.cs_rssi; - - pStats->lq_val = pTarget->lqVal; - - pStats->wow_num_pkts_dropped += pTarget->wowStats.wow_num_pkts_dropped; - pStats->wow_num_host_pkt_wakeups += pTarget->wowStats.wow_num_host_pkt_wakeups; - pStats->wow_num_host_event_wakeups += pTarget->wowStats.wow_num_host_event_wakeups; - pStats->wow_num_events_discarded += pTarget->wowStats.wow_num_events_discarded; - - ar->statsUpdatePending = FALSE; - wake_up(&arEvent); -} - -void -ar6000_rssiThreshold_event(AR_SOFTC_T *ar, WMI_RSSI_THRESHOLD_VAL newThreshold, A_INT16 rssi) -{ - USER_RSSI_THOLD userRssiThold; - - userRssiThold.tag = rssi_map[newThreshold].tag; - userRssiThold.rssi = rssi; - AR_DEBUG2_PRINTF("rssi Threshold range = %d tag = %d rssi = %d\n", newThreshold, userRssiThold.tag, rssi); -#ifdef SEND_EVENT_TO_APP - ar6000_send_event_to_app(ar, WMI_RSSI_THRESHOLD_EVENTID,(A_UINT8 *)&userRssiThold, sizeof(USER_RSSI_THOLD)); -#endif -} - - -void -ar6000_hbChallengeResp_event(AR_SOFTC_T *ar, A_UINT32 cookie, A_UINT32 source) -{ - if (source == APP_HB_CHALLENGE) { - /* Report it to the app in case it wants a positive acknowledgement */ -#ifdef SEND_EVENT_TO_APP - ar6000_send_event_to_app(ar, WMIX_HB_CHALLENGE_RESP_EVENTID, - (A_UINT8 *)&cookie, sizeof(cookie)); -#endif - } else { - /* This would ignore the replys that come in after their due time */ - if (cookie == ar->arHBChallengeResp.seqNum) { - ar->arHBChallengeResp.outstanding = FALSE; - } - } -} - - -void -ar6000_reportError_event(AR_SOFTC_T *ar, WMI_TARGET_ERROR_VAL errorVal) -{ - char *errString[] = { - [WMI_TARGET_PM_ERR_FAIL] "WMI_TARGET_PM_ERR_FAIL", - [WMI_TARGET_KEY_NOT_FOUND] "WMI_TARGET_KEY_NOT_FOUND", - [WMI_TARGET_DECRYPTION_ERR] "WMI_TARGET_DECRYPTION_ERR", - [WMI_TARGET_BMISS] "WMI_TARGET_BMISS", - [WMI_PSDISABLE_NODE_JOIN] "WMI_PSDISABLE_NODE_JOIN" - }; - - A_PRINTF("AR6000 Error on Target. Error = 0x%x\n", errorVal); - - /* One error is reported at a time, and errorval is a bitmask */ - if(errorVal & (errorVal - 1)) - return; - - A_PRINTF("AR6000 Error type = "); - switch(errorVal) - { - case WMI_TARGET_PM_ERR_FAIL: - case WMI_TARGET_KEY_NOT_FOUND: - case WMI_TARGET_DECRYPTION_ERR: - case WMI_TARGET_BMISS: - case WMI_PSDISABLE_NODE_JOIN: - A_PRINTF("%s\n", errString[errorVal]); - break; - default: - A_PRINTF("INVALID\n"); - break; - } - -} - - -void -ar6000_cac_event(AR_SOFTC_T *ar, A_UINT8 ac, A_UINT8 cacIndication, - A_UINT8 statusCode, A_UINT8 *tspecSuggestion) -{ - WMM_TSPEC_IE *tspecIe; - - /* - * This is the TSPEC IE suggestion from AP. - * Suggestion provided by AP under some error - * cases, could be helpful for the host app. - * Check documentation. - */ - tspecIe = (WMM_TSPEC_IE *)tspecSuggestion; - - /* - * What do we do, if we get TSPEC rejection? One thought - * that comes to mind is implictly delete the pstream... - */ - A_PRINTF("AR6000 CAC notification. " - "AC = %d, cacIndication = 0x%x, statusCode = 0x%x\n", - ac, cacIndication, statusCode); -} - -#define AR6000_PRINT_BSSID(_pBss) do { \ - A_PRINTF("%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x ",\ - (_pBss)[0],(_pBss)[1],(_pBss)[2],(_pBss)[3],\ - (_pBss)[4],(_pBss)[5]); \ -} while(0) - -void -ar6000_roam_tbl_event(AR_SOFTC_T *ar, WMI_TARGET_ROAM_TBL *pTbl) -{ - A_UINT8 i; - - A_PRINTF("ROAM TABLE NO OF ENTRIES is %d ROAM MODE is %d\n", - pTbl->numEntries, pTbl->roamMode); - for (i= 0; i < pTbl->numEntries; i++) { - A_PRINTF("[%d]bssid %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x ", i, - pTbl->bssRoamInfo[i].bssid[0], pTbl->bssRoamInfo[i].bssid[1], - pTbl->bssRoamInfo[i].bssid[2], - pTbl->bssRoamInfo[i].bssid[3], - pTbl->bssRoamInfo[i].bssid[4], - pTbl->bssRoamInfo[i].bssid[5]); - A_PRINTF("RSSI %d RSSIDT %d LAST RSSI %d UTIL %d ROAM_UTIL %d" - " BIAS %d\n", - pTbl->bssRoamInfo[i].rssi, - pTbl->bssRoamInfo[i].rssidt, - pTbl->bssRoamInfo[i].last_rssi, - pTbl->bssRoamInfo[i].util, - pTbl->bssRoamInfo[i].roam_util, - pTbl->bssRoamInfo[i].bias); - } -} - -void -ar6000_wow_list_event(struct ar6_softc *ar, A_UINT8 num_filters, WMI_GET_WOW_LIST_REPLY *wow_reply) -{ - A_UINT8 i,j; - - /*Each event now contains exactly one filter, see bug 26613*/ - A_PRINTF("WOW pattern %d of %d patterns\n", wow_reply->this_filter_num, wow_reply->num_filters); - A_PRINTF("wow mode = %s host mode = %s\n", - (wow_reply->wow_mode == 0? "disabled":"enabled"), - (wow_reply->host_mode == 1 ? "awake":"asleep")); - - - /*If there are no patterns, the reply will only contain generic - WoW information. Pattern information will exist only if there are - patterns present. Bug 26716*/ - - /* If this event contains pattern information, display it*/ - if (wow_reply->this_filter_num) { - i=0; - A_PRINTF("id=%d size=%d offset=%d\n", - wow_reply->wow_filters[i].wow_filter_id, - wow_reply->wow_filters[i].wow_filter_size, - wow_reply->wow_filters[i].wow_filter_offset); - A_PRINTF("wow pattern = "); - for (j=0; j< wow_reply->wow_filters[i].wow_filter_size; j++) { - A_PRINTF("%2.2x",wow_reply->wow_filters[i].wow_filter_pattern[j]); - } - - A_PRINTF("\nwow mask = "); - for (j=0; j< wow_reply->wow_filters[i].wow_filter_size; j++) { - A_PRINTF("%2.2x",wow_reply->wow_filters[i].wow_filter_mask[j]); - } - A_PRINTF("\n"); - } -} - -/* - * Report the Roaming related data collected on the target - */ -void -ar6000_display_roam_time(WMI_TARGET_ROAM_TIME *p) -{ - A_PRINTF("Disconnect Data : BSSID: "); - AR6000_PRINT_BSSID(p->disassoc_bssid); - A_PRINTF(" RSSI %d DISASSOC Time %d NO_TXRX_TIME %d\n", - p->disassoc_bss_rssi,p->disassoc_time, - p->no_txrx_time); - A_PRINTF("Connect Data: BSSID: "); - AR6000_PRINT_BSSID(p->assoc_bssid); - A_PRINTF(" RSSI %d ASSOC Time %d TXRX_TIME %d\n", - p->assoc_bss_rssi,p->assoc_time, - p->allow_txrx_time); - A_PRINTF("Last Data Tx Time (b4 Disassoc) %d "\ - "First Data Tx Time (after Assoc) %d\n", - p->last_data_txrx_time, p->first_data_txrx_time); -} - -void -ar6000_roam_data_event(AR_SOFTC_T *ar, WMI_TARGET_ROAM_DATA *p) -{ - switch (p->roamDataType) { - case ROAM_DATA_TIME: - ar6000_display_roam_time(&p->u.roamTime); - break; - default: - break; - } -} - -void -ar6000_bssInfo_event_rx(AR_SOFTC_T *ar, A_UINT8 *datap, int len) -{ - struct sk_buff *skb; - WMI_BSS_INFO_HDR *bih = (WMI_BSS_INFO_HDR *)datap; - - - if (!ar->arMgmtFilter) { - return; - } - if (((ar->arMgmtFilter & IEEE80211_FILTER_TYPE_BEACON) && - (bih->frameType != BEACON_FTYPE)) || - ((ar->arMgmtFilter & IEEE80211_FILTER_TYPE_PROBE_RESP) && - (bih->frameType != PROBERESP_FTYPE))) - { - return; - } - - if ((skb = A_NETBUF_ALLOC_RAW(len)) != NULL) { - - A_NETBUF_PUT(skb, len); - A_MEMCPY(A_NETBUF_DATA(skb), datap, len); - skb->dev = ar->arNetDev; - printk("MAC RAW...\n"); -// skb->mac.raw = A_NETBUF_DATA(skb); - skb->ip_summed = CHECKSUM_NONE; - skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = __constant_htons(0x0019); - netif_rx(skb); - } -} - -A_UINT32 wmiSendCmdNum; - -A_STATUS -ar6000_control_tx(void *devt, void *osbuf, WMI_PRI_STREAM_ID streamID) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - A_STATUS status = A_OK; - struct ar_cookie *cookie = NULL; - int i; - - /* take lock to protect ar6000_alloc_cookie() */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - - do { - - AR_DEBUG2_PRINTF("ar_contrstatus = ol_tx: skb=0x%x, len=0x%x, sid=%d\n", - (A_UINT32)osbuf, A_NETBUF_LEN(osbuf), streamID); - - if ((streamID == WMI_CONTROL_PRI) && (ar->arWMIControlEpFull)) { - /* control endpoint is full, don't allocate resources, we - * are just going to drop this packet */ - cookie = NULL; - AR_DEBUG_PRINTF(" WMI Control EP full, dropping packet : 0x%X, len:%d \n", - (A_UINT32)osbuf, A_NETBUF_LEN(osbuf)); - } else { - cookie = ar6000_alloc_cookie(ar); - } - - if (cookie == NULL) { - status = A_NO_MEMORY; - break; - } - - if(logWmiRawMsgs) { - A_PRINTF("WMI cmd send, msgNo %d :", wmiSendCmdNum); - for(i = 0; i < a_netbuf_to_len(osbuf); i++) - A_PRINTF("%x ", ((A_UINT8 *)a_netbuf_to_data(osbuf))[i]); - A_PRINTF("\n"); - } - - wmiSendCmdNum++; - - } while (FALSE); - - if (cookie != NULL) { - /* got a structure to send it out on */ - ar->arTxPending[streamID]++; - - if (streamID != WMI_CONTROL_PRI) { - ar->arTotalTxDataPending++; - } - } - - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - - if (cookie != NULL) { - cookie->arc_bp[0] = (A_UINT32)osbuf; - cookie->arc_bp[1] = 0; - SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt, - cookie, - A_NETBUF_DATA(osbuf), - A_NETBUF_LEN(osbuf), - arWMIStream2EndpointID(ar,streamID), - AR6K_CONTROL_PKT_TAG); - /* this interface is asynchronous, if there is an error, cleanup will happen in the - * TX completion callback */ - HTCSendPkt(ar->arHtcTarget, &cookie->HtcPkt); - status = A_OK; - } - - return status; -} - -/* indicate tx activity or inactivity on a WMI stream */ -void ar6000_indicate_tx_activity(void *devt, A_UINT8 TrafficClass, A_BOOL Active) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - WMI_PRI_STREAM_ID streamid; - - if (ar->arWmiEnabled) { - streamid = wmi_get_stream_id(ar->arWmi, TrafficClass); - } else { - /* for mbox ping testing, the traffic class is mapped directly as a stream ID, - * see handling of AR6000_XIOCTL_TRAFFIC_ACTIVITY_CHANGE in ioctl.c */ - streamid = (WMI_PRI_STREAM_ID)TrafficClass; - } - - /* notify HTC, this may cause credit distribution changes */ - - HTCIndicateActivityChange(ar->arHtcTarget, - arWMIStream2EndpointID(ar,streamid), - Active); - -} - -module_init(ar6000_init_module); -module_exit(ar6000_cleanup_module); - -/* Init cookie queue */ -static void -ar6000_cookie_init(AR_SOFTC_T *ar) -{ - A_UINT32 i; - - ar->arCookieList = NULL; - A_MEMZERO(s_ar_cookie_mem, sizeof(s_ar_cookie_mem)); - - for (i = 0; i < MAX_COOKIE_NUM; i++) { - ar6000_free_cookie(ar, &s_ar_cookie_mem[i]); - } -} - -/* cleanup cookie queue */ -static void -ar6000_cookie_cleanup(AR_SOFTC_T *ar) -{ - /* It is gone .... */ - ar->arCookieList = NULL; -} - -/* Init cookie queue */ -static void -ar6000_free_cookie(AR_SOFTC_T *ar, struct ar_cookie * cookie) -{ - /* Insert first */ - A_ASSERT(ar != NULL); - A_ASSERT(cookie != NULL); - cookie->arc_list_next = ar->arCookieList; - ar->arCookieList = cookie; -} - -/* cleanup cookie queue */ -static struct ar_cookie * -ar6000_alloc_cookie(AR_SOFTC_T *ar) -{ - struct ar_cookie *cookie; - - cookie = ar->arCookieList; - if(cookie != NULL) - { - ar->arCookieList = cookie->arc_list_next; - } - - return cookie; -} - -#ifdef SEND_EVENT_TO_APP -/* - * This function is used to send event which come from taget to - * the application. The buf which send to application is include - * the event ID and event content. - */ -#define EVENT_ID_LEN 2 -void ar6000_send_event_to_app(AR_SOFTC_T *ar, A_UINT16 eventId, - A_UINT8 *datap, int len) -{ - -#if (WIRELESS_EXT >= 15) - -/* note: IWEVCUSTOM only exists in wireless extensions after version 15 */ - - char *buf; - A_UINT16 size; - union iwreq_data wrqu; - - size = len + EVENT_ID_LEN; - - if (size > IW_CUSTOM_MAX) { - AR_DEBUG_PRINTF("WMI event ID : 0x%4.4X, len = %d too big for IWEVCUSTOM (max=%d) \n", - eventId, size, IW_CUSTOM_MAX); - return; - } - - buf = A_MALLOC_NOWAIT(size); - A_MEMZERO(buf, size); - A_MEMCPY(buf, &eventId, EVENT_ID_LEN); - A_MEMCPY(buf+EVENT_ID_LEN, datap, len); - - //AR_DEBUG_PRINTF("event ID = %d,len = %d\n",*(A_UINT16*)buf, size); - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = size; - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); - - A_FREE(buf); -#endif - - -} -#endif - - -void -ar6000_tx_retry_err_event(void *devt) -{ - AR_DEBUG2_PRINTF("Tx retries reach maximum!\n"); -} - -void -ar6000_snrThresholdEvent_rx(void *devt, WMI_SNR_THRESHOLD_VAL newThreshold, A_UINT8 snr) -{ - AR_DEBUG2_PRINTF("snr threshold range %d, snr %d\n", newThreshold, snr); -} - -void -ar6000_lqThresholdEvent_rx(void *devt, WMI_LQ_THRESHOLD_VAL newThreshold, A_UINT8 lq) -{ - AR_DEBUG2_PRINTF("lq threshold range %d, lq %d\n", newThreshold, lq); -} - - - -A_UINT32 -a_copy_to_user(void *to, const void *from, A_UINT32 n) -{ - return(copy_to_user(to, from, n)); -} - -A_UINT32 -a_copy_from_user(void *to, const void *from, A_UINT32 n) -{ - return(copy_from_user(to, from, n)); -} - - -A_STATUS -ar6000_get_driver_cfg(struct net_device *dev, - A_UINT16 cfgParam, - void *result) -{ - - A_STATUS ret = 0; - - switch(cfgParam) - { - case AR6000_DRIVER_CFG_GET_WLANNODECACHING: - *((A_UINT32 *)result) = wlanNodeCaching; - break; - case AR6000_DRIVER_CFG_LOG_RAW_WMI_MSGS: - *((A_UINT32 *)result) = logWmiRawMsgs; - break; - default: - ret = EINVAL; - break; - } - - return ret; -} - -void -ar6000_keepalive_rx(void *devt, A_UINT8 configured) -{ - AR_SOFTC_T *ar = (AR_SOFTC_T *)devt; - - ar->arKeepaliveConfigured = configured; - wake_up(&arEvent); -} - -void -ar6000_pmkid_list_event(void *devt, A_UINT8 numPMKID, WMI_PMKID *pmkidList) -{ - A_UINT8 i, j; - - A_PRINTF("Number of Cached PMKIDs is %d\n", numPMKID); - - for (i = 0; i < numPMKID; i++) { - A_PRINTF("\nPMKID %d ", i); - for (j = 0; j < WMI_PMKID_LEN; j++) { - A_PRINTF("%2.2x", pmkidList->pmkid[j]); - } - pmkidList++; - } -} - -#ifdef USER_KEYS -static A_STATUS - -ar6000_reinstall_keys(AR_SOFTC_T *ar, A_UINT8 key_op_ctrl) -{ - A_STATUS status = A_OK; - struct ieee80211req_key *uik = &ar->user_saved_keys.ucast_ik; - struct ieee80211req_key *bik = &ar->user_saved_keys.bcast_ik; - CRYPTO_TYPE keyType = ar->user_saved_keys.keyType; - - if (IEEE80211_CIPHER_CCKM_KRK != uik->ik_type) { - if (NONE_CRYPT == keyType) { - goto _reinstall_keys_out; - } - - if (uik->ik_keylen) { - status = wmi_addKey_cmd(ar->arWmi, uik->ik_keyix, - ar->user_saved_keys.keyType, PAIRWISE_USAGE, - uik->ik_keylen, (A_UINT8 *)&uik->ik_keyrsc, - uik->ik_keydata, key_op_ctrl, SYNC_BEFORE_WMIFLAG); - } - - } else { - status = wmi_add_krk_cmd(ar->arWmi, uik->ik_keydata); - } - - if (IEEE80211_CIPHER_CCKM_KRK != bik->ik_type) { - if (NONE_CRYPT == keyType) { - goto _reinstall_keys_out; - } - - if (bik->ik_keylen) { - status = wmi_addKey_cmd(ar->arWmi, bik->ik_keyix, - ar->user_saved_keys.keyType, GROUP_USAGE, - bik->ik_keylen, (A_UINT8 *)&bik->ik_keyrsc, - bik->ik_keydata, key_op_ctrl, NO_SYNC_WMIFLAG); - } - } else { - status = wmi_add_krk_cmd(ar->arWmi, bik->ik_keydata); - } - -_reinstall_keys_out: - ar->user_savedkeys_stat = USER_SAVEDKEYS_STAT_INIT; - ar->user_key_ctrl = 0; - - return status; -} -#endif /* USER_KEYS */ - - -void -ar6000_dset_open_req( - void *context, - A_UINT32 id, - A_UINT32 targHandle, - A_UINT32 targReplyFn, - A_UINT32 targReplyArg) -{ -} - -void -ar6000_dset_close( - void *context, - A_UINT32 access_cookie) -{ - return; -} - -void -ar6000_dset_data_req( - void *context, - A_UINT32 accessCookie, - A_UINT32 offset, - A_UINT32 length, - A_UINT32 targBuf, - A_UINT32 targReplyFn, - A_UINT32 targReplyArg) -{ -} |