+++ /dev/null
-/*
- *
- * 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)
-{
-}
projects / openwrt / svn-archive / archive.git / blobdiff