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gfiber / kernel / skids / master / . / drivers / staging / otus / 80211core / cagg.c
blob: c3cef1a02aa42f9d1351969b0338a3b5cabd9843 [file] [log] [blame]
/*
* Copyright (c) 2007-2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* */
/* Module Name : cagg.c */
/* */
/* Abstract */
/* This module contains A-MPDU aggregation related functions. */
/* */
/* NOTES */
/* None */
/* */
/************************************************************************/
#include "cprecomp.h"
extern u8_t zcUpToAc[8];
const u8_t pri[] = {3,3,2,3,2,1,3,2,1,0};
u16_t aggr_count;
u32_t success_mpdu;
u32_t total_mpdu;
void zfAggInit(zdev_t* dev)
{
u16_t i,j;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
/*
* reset sta information
*/
zmw_enter_critical_section(dev);
wd->aggInitiated = 0;
wd->addbaComplete = 0;
wd->addbaCount = 0;
wd->reorder = 1;
for (i=0; i<ZM_MAX_STA_SUPPORT; i++)
{
for (j=0; j<ZM_AC; j++)
{
//wd->aggSta[i].aggQNumber[j] = ZM_AGG_POOL_SIZE;
wd->aggSta[i].aggFlag[j] = wd->aggSta[i].count[j] = 0;
wd->aggSta[i].tid_tx[j] = NULL;
wd->aggSta[i].tid_tx[j+1] = NULL;
}
}
/*
* reset Tx/Rx aggregation queue information
*/
wd->aggState = 0;
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
/*
* reset tx aggregation queue
*/
wd->aggQPool[i] = zfwMemAllocate(dev, sizeof(struct aggQueue));
if(!wd->aggQPool[i])
{
zmw_leave_critical_section(dev);
return;
}
wd->aggQPool[i]->aggHead = wd->aggQPool[i]->aggTail =
wd->aggQPool[i]->aggQEnabled = wd->aggQPool[i]->aggReady =
wd->aggQPool[i]->clearFlag = wd->aggQPool[i]->deleteFlag = 0;
//wd->aggQPool[i]->aggSize = 16;
/*
* reset rx aggregation queue
*/
wd->tid_rx[i] = zfwMemAllocate(dev, sizeof(struct agg_tid_rx));
if (!wd->tid_rx[i])
{
zmw_leave_critical_section(dev);
return;
}
wd->tid_rx[i]->aid = ZM_MAX_STA_SUPPORT;
wd->tid_rx[i]->seq_start = wd->tid_rx[i]->baw_head = \
wd->tid_rx[i]->baw_tail = 0;
wd->tid_rx[i]->sq_exceed_count = wd->tid_rx[i]->sq_behind_count = 0;
for (j=0; j<=ZM_AGG_BAW_SIZE; j++)
wd->tid_rx[i]->frame[j].buf = 0;
/*
* reset ADDBA exchange status code
* 0: NULL
* 1: ADDBA Request sent/received
* 2: ACK for ADDBA Request sent/received
* 3: ADDBA Response sent/received
* 4: ACK for ADDBA Response sent/received
*/
wd->tid_rx[i]->addBaExchangeStatusCode = 0;
}
zmw_leave_critical_section(dev);
zfAggTallyReset(dev);
DESTQ.init = zfAggDestInit;
DESTQ.init(dev);
wd->aggInitiated = 1;
aggr_count = 0;
success_mpdu = 0;
total_mpdu = 0;
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
BAW = zfwMemAllocate(dev, sizeof(struct baw_enabler));
if(!BAW)
{
return;
}
BAW->init = zfBawInit;
BAW->init(dev);
#endif //disable BAW
#endif
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggGetSta */
/* return STA AID. */
/* take buf as input, use the dest address of buf as index to */
/* search STA AID. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : buffer for one particular packet */
/* */
/* OUTPUTS */
/* AID */
/* */
/* AUTHOR */
/* Honda ZyDAS Technology Corporation 2006.11 */
/* */
/************************************************************************/
u16_t zfAggGetSta(zdev_t* dev, zbuf_t* buf)
{
u16_t id;
u16_t dst[3];
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
dst[0] = zmw_rx_buf_readh(dev, buf, 0);
dst[1] = zmw_rx_buf_readh(dev, buf, 2);
dst[2] = zmw_rx_buf_readh(dev, buf, 4);
zmw_enter_critical_section(dev);
if(wd->wlanMode == ZM_MODE_AP) {
id = zfApFindSta(dev, dst);
}
else {
id = 0;
}
zmw_leave_critical_section(dev);
#if ZM_AGG_FPGA_DEBUG
id = 0;
#endif
return id;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxGetQueue */
/* return Queue Pool index. */
/* take aid as input, look for the queue index associated */
/* with this aid. */
/* */
/* INPUTS */
/* dev : device pointer */
/* aid : associated id */
/* */
/* OUTPUTS */
/* Queue number */
/* */
/* AUTHOR */
/* Honda ZyDAS Technology Corporation 2006.11 */
/* */
/************************************************************************/
TID_TX zfAggTxGetQueue(zdev_t* dev, u16_t aid, u16_t tid)
{
//u16_t i;
TID_TX tid_tx;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* not a STA aid
*/
if (0xffff == aid)
return NULL;
//zmw_enter_critical_section(dev);
tid_tx = wd->aggSta[aid].tid_tx[tid];
if (!tid_tx) return NULL;
if (0 == tid_tx->aggQEnabled)
return NULL;
//zmw_leave_critical_section(dev);
return tid_tx;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxNewQueue */
/* return Queue Pool index. */
/* take aid as input, find a new queue for this aid. */
/* */
/* INPUTS */
/* dev : device pointer */
/* aid : associated id */
/* */
/* OUTPUTS */
/* Queue number */
/* */
/* AUTHOR */
/* Honda ZyDAS Technology Corporation 2006.12 */
/* */
/************************************************************************/
TID_TX zfAggTxNewQueue(zdev_t* dev, u16_t aid, u16_t tid, zbuf_t* buf)
{
u16_t i;
TID_TX tid_tx=NULL;
u16_t ac = zcUpToAc[tid&0x7] & 0x3;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
/*
* not a STA aid
*/
if (0xffff == aid)
return NULL;
zmw_enter_critical_section(dev);
/*
* find one new queue for sta
*/
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
if (wd->aggQPool[i]->aggQEnabled)
{
/*
* this q is enabled
*/
}
else
{
tid_tx = wd->aggQPool[i];
tid_tx->aggQEnabled = 1;
tid_tx->aggQSTA = aid;
tid_tx->ac = ac;
tid_tx->tid = tid;
tid_tx->aggHead = tid_tx->aggTail = tid_tx->size = 0;
tid_tx->aggReady = 0;
wd->aggSta[aid].tid_tx[tid] = tid_tx;
tid_tx->dst[0] = zmw_rx_buf_readh(dev, buf, 0);
tid_tx->dst[1] = zmw_rx_buf_readh(dev, buf, 2);
tid_tx->dst[2] = zmw_rx_buf_readh(dev, buf, 4);
break;
}
}
zmw_leave_critical_section(dev);
return tid_tx;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxEnqueue */
/* return Status code ZM_SUCCESS or error code */
/* take (aid,ac,qnum,buf) as input */
/* */
/* INPUTS */
/* dev : device pointer */
/* aid : associated id */
/* ac : access category */
/* qnum: the queue number to which will be enqueued */
/* buf : the packet to be queued */
/* */
/* OUTPUTS */
/* status code */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxEnqueue(zdev_t* dev, zbuf_t* buf, u16_t aid, TID_TX tid_tx)
{
//u16_t qlen, frameLen;
u32_t time;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
if (tid_tx->size < (ZM_AGGQ_SIZE - 2))
{
/* Queue not full */
/*
* buffer copy
* in zfwBufFree will return a ndismsendcomplete
* to resolve the synchronize problem in aggregate
*/
u8_t sendComplete = 0;
tid_tx->aggvtxq[tid_tx->aggHead].buf = buf;
time = zm_agg_GetTime();
tid_tx->aggvtxq[tid_tx->aggHead].arrivalTime = time;
tid_tx->aggvtxq[tid_tx->aggHead].baw_retransmit = 0;
tid_tx->aggHead = ((tid_tx->aggHead + 1) & ZM_AGGQ_SIZE_MASK);
tid_tx->lastArrival = time;
tid_tx->size++;
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
if (buf && (tid_tx->size < (ZM_AGGQ_SIZE - 10))) {
tid_tx->complete = tid_tx->aggHead;
sendComplete = 1;
}
zmw_leave_critical_section(dev);
if (!DESTQ.exist(dev, 0, tid_tx->ac, tid_tx, NULL)) {
DESTQ.insert(dev, 0, tid_tx->ac, tid_tx, NULL);
}
zm_msg1_agg(ZM_LV_0, "tid_tx->size=", tid_tx->size);
//zm_debug_msg1("tid_tx->size=", tid_tx->size);
if (buf && sendComplete && wd->zfcbSendCompleteIndication) {
//zmw_leave_critical_section(dev);
wd->zfcbSendCompleteIndication(dev, buf);
}
/*if (tid_tx->size >= 16 && zfHpGetFreeTxdCount(dev) > 20)
zfAggTxSend(dev, zfHpGetFreeTxdCount(dev), tid_tx);
*/
return ZM_SUCCESS;
}
else
{
zm_msg1_agg(ZM_LV_0, "can't enqueue, tid_tx->size=", tid_tx->size);
/*
* Queue Full
*/
/*
* zm_msg1_agg(ZM_LV_0, "Queue full, qnum = ", qnum);
* wd->commTally.txQosDropCount[ac]++;
* zfwBufFree(dev, buf, ZM_SUCCESS);
* zm_msg1_agg(ZM_LV_1, "Packet discarded, VTXQ full, ac=", ac);
*
* return ZM_ERR_EXCEED_PRIORITY_THRESHOLD;
*/
}
zmw_leave_critical_section(dev);
if (!DESTQ.exist(dev, 0, tid_tx->ac, tid_tx, NULL)) {
DESTQ.insert(dev, 0, tid_tx->ac, tid_tx, NULL);
}
return ZM_ERR_EXCEED_PRIORITY_THRESHOLD;
}
u16_t zfAggDestExist(zdev_t* dev, u16_t Qtype, u16_t ac, TID_TX tid_tx, void* vtxq) {
struct dest* dest;
u16_t exist = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (!DESTQ.Head[ac]) {
exist = 0;
}
else {
dest = DESTQ.Head[ac];
if (dest->tid_tx == tid_tx) {
exist = 1;
}
else {
while (dest->next != DESTQ.Head[ac]) {
dest = dest->next;
if (dest->tid_tx == tid_tx){
exist = 1;
break;
}
}
}
}
zmw_leave_critical_section(dev);
return exist;
}
void zfAggDestInsert(zdev_t* dev, u16_t Qtype, u16_t ac, TID_TX tid_tx, void* vtxq)
{
struct dest* new_dest;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
new_dest = zfwMemAllocate(dev, sizeof(struct dest));
if(!new_dest)
{
return;
}
new_dest->Qtype = Qtype;
new_dest->tid_tx = tid_tx;
if (0 == Qtype)
new_dest->tid_tx = tid_tx;
else
new_dest->vtxq = vtxq;
if (!DESTQ.Head[ac]) {
zmw_enter_critical_section(dev);
new_dest->next = new_dest;
DESTQ.Head[ac] = DESTQ.dest[ac] = new_dest;
zmw_leave_critical_section(dev);
}
else {
zmw_enter_critical_section(dev);
new_dest->next = DESTQ.dest[ac]->next;
DESTQ.dest[ac]->next = new_dest;
zmw_leave_critical_section(dev);
}
//DESTQ.size[ac]++;
return;
}
void zfAggDestDelete(zdev_t* dev, u16_t Qtype, TID_TX tid_tx, void* vtxq)
{
struct dest* dest, *temp;
u16_t i;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (wd->destLock) {
zmw_leave_critical_section(dev);
return;
}
//zmw_declare_for_critical_section();
for (i=0; i<4; i++) {
if (!DESTQ.Head[i]) continue;
dest = DESTQ.Head[i];
if (!dest) continue;
while (dest && (dest->next != DESTQ.Head[i])) {
if (Qtype == 0 && dest->next->tid_tx == tid_tx){
break;
}
if (Qtype == 1 && dest->next->vtxq == vtxq) {
break;
}
dest = dest->next;
}
if ((Qtype == 0 && dest->next->tid_tx == tid_tx) || (Qtype == 1 && dest->next->vtxq == vtxq)) {
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
if (tid_tx->size) {
zmw_leave_critical_section(dev);
return;
}
if (!DESTQ.Head[i]) {
temp = NULL;
}
else {
temp = dest->next;
if (temp == dest) {
DESTQ.Head[i] = DESTQ.dest[i] = NULL;
//DESTQ.size[i] = 0;
}
else {
dest->next = dest->next->next;
}
}
if (temp == NULL)
{/* do nothing */} //zfwMemFree(dev, temp, sizeof(struct dest));
else
zfwMemFree(dev, temp, sizeof(struct dest));
/*zmw_enter_critical_section(dev);
if (DESTQ.size[i] > 0)
DESTQ.size[i]--;
zmw_leave_critical_section(dev);
*/
}
}
zmw_leave_critical_section(dev);
return;
}
void zfAggDestInit(zdev_t* dev)
{
u16_t i;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
for (i=0; i<4; i++) {
//wd->destQ.Head[i].next = wd->destQ.Head[i];
//wd->destQ.dest[i] = wd->destQ.Head[i];
//DESTQ.size[i] = 0;
DESTQ.Head[i] = NULL;
}
DESTQ.insert = zfAggDestInsert;
DESTQ.delete = zfAggDestDelete;
DESTQ.init = zfAggDestInit;
DESTQ.getNext = zfAggDestGetNext;
DESTQ.exist = zfAggDestExist;
DESTQ.ppri = 0;
return;
}
struct dest* zfAggDestGetNext(zdev_t* dev, u16_t ac)
{
struct dest *dest = NULL;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (DESTQ.dest[ac]) {
dest = DESTQ.dest[ac];
DESTQ.dest[ac] = DESTQ.dest[ac]->next;
}
else {
dest = NULL;
}
zmw_leave_critical_section(dev);
return dest;
}
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
u16_t zfAggTidTxInsertHead(zdev_t* dev, struct bufInfo *buf_info,TID_TX tid_tx)
{
zbuf_t* buf;
u32_t time;
struct baw_header *baw_header;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
buf = buf_info->buf;
zmw_enter_critical_section(dev);
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
zmw_leave_critical_section(dev);
if (tid_tx->size >= (ZM_AGGQ_SIZE - 2)) {
zfwBufFree(dev, buf, ZM_SUCCESS);
return 0;
}
zmw_enter_critical_section(dev);
tid_tx->aggTail = (tid_tx->aggTail == 0)? ZM_AGGQ_SIZE_MASK: tid_tx->aggTail - 1;
tid_tx->aggvtxq[tid_tx->aggTail].buf = buf;
//time = zm_agg_GetTime();
tid_tx->aggvtxq[tid_tx->aggTail].arrivalTime = buf_info->timestamp;
tid_tx->aggvtxq[tid_tx->aggTail].baw_retransmit = buf_info->baw_retransmit;
baw_header = &tid_tx->aggvtxq[tid_tx->aggTail].baw_header;
baw_header->headerLen = buf_info->baw_header->headerLen;
baw_header->micLen = buf_info->baw_header->micLen;
baw_header->snapLen = buf_info->baw_header->snapLen;
baw_header->removeLen = buf_info->baw_header->removeLen;
baw_header->keyIdx = buf_info->baw_header->keyIdx;
zfwMemoryCopy((u8_t *)baw_header->header, (u8_t *)buf_info->baw_header->header, 58);
zfwMemoryCopy((u8_t *)baw_header->mic , (u8_t *)buf_info->baw_header->mic , 8);
zfwMemoryCopy((u8_t *)baw_header->snap , (u8_t *)buf_info->baw_header->snap , 8);
tid_tx->size++;
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
zmw_leave_critical_section(dev);
//tid_tx->lastArrival = time;
if (1 == tid_tx->size) {
DESTQ.insert(dev, 0, tid_tx->ac, tid_tx, NULL);
}
zm_msg1_agg(ZM_LV_0, "0xC2:insertHead, tid_tx->size=", tid_tx->size);
return TRUE;
}
#endif //disable BAW
#endif
void zfiTxComplete(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
if( (wd->wlanMode == ZM_MODE_AP) ||
(wd->wlanMode == ZM_MODE_INFRASTRUCTURE && wd->sta.EnableHT) ||
(wd->wlanMode == ZM_MODE_PSEUDO) ) {
zfAggTxScheduler(dev, 0);
}
return;
}
TID_TX zfAggTxReady(zdev_t* dev) {
//struct dest* dest;
u16_t i;
TID_TX tid_tx = NULL;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
if (wd->aggQPool[i]->aggQEnabled)
{
if (wd->aggQPool[i]->size >= 16) {
tid_tx = wd->aggQPool[i];
break;
}
}
else {
}
}
zmw_leave_critical_section(dev);
return tid_tx;
}
u16_t zfAggValidTidTx(zdev_t* dev, TID_TX tid_tx) {
u16_t i, valid = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
if (wd->aggQPool[i] == tid_tx)
{
valid = 1;
break;
}
else {
}
}
zmw_leave_critical_section(dev);
return valid;
}
void zfAggTxScheduler(zdev_t* dev, u8_t ScanAndClear)
{
TID_TX tid_tx = NULL;
void* vtxq;
struct dest* dest;
zbuf_t* buf;
u32_t txql, min_txql;
//u16_t aggr_size = 1;
u16_t txq_threshold;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
if (!wd->aggInitiated)
{
return;
}
/* debug */
txql = TXQL;
min_txql = AGG_MIN_TXQL;
if(wd->txq_threshold)
txq_threshold = wd->txq_threshold;
else
txq_threshold = AGG_MIN_TXQL;
tid_tx = zfAggTxReady(dev);
if (tid_tx) ScanAndClear = 0;
while (zfHpGetFreeTxdCount(dev) > 20 && (TXQL < txq_threshold || tid_tx)) {
//while (zfHpGetFreeTxdCount(dev) > 20 && (ScanAndClear || tid_tx)) {
//while (TXQL < txq_threshold) {
u16_t i;
u8_t ac;
s8_t destQ_count = 0;
//while ((zfHpGetFreeTxdCount(dev)) > 32) {
//DbgPrint("zfAggTxScheduler: in while loop");
for (i=0; i<4; i++) {
if (DESTQ.Head[i]) destQ_count++;
}
if (0 >= destQ_count) break;
zmw_enter_critical_section(dev);
ac = pri[DESTQ.ppri]; DESTQ.ppri = (DESTQ.ppri + 1) % 10;
zmw_leave_critical_section(dev);
for (i=0; i<10; i++){
if(DESTQ.Head[ac]) break;
zmw_enter_critical_section(dev);
ac = pri[DESTQ.ppri]; DESTQ.ppri = (DESTQ.ppri + 1) % 10;
zmw_leave_critical_section(dev);
}
if (i == 10) break;
//DbgPrint("zfAggTxScheduler: have dest Q");
zmw_enter_critical_section(dev);
wd->destLock = 1;
zmw_leave_critical_section(dev);
dest = DESTQ.getNext(dev, ac);
if (!dest) {
zmw_enter_critical_section(dev);
wd->destLock = 0;
zmw_leave_critical_section(dev);
DbgPrint("bug report! DESTQ.getNext got nothing!");
break;
}
if (dest->Qtype == 0) {
tid_tx = dest->tid_tx;
//DbgPrint("zfAggTxScheduler: have tid_tx Q");
if(tid_tx && zfAggValidTidTx(dev, tid_tx))
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
else {
zmw_enter_critical_section(dev);
wd->destLock = 0;
zmw_leave_critical_section(dev);
tid_tx = zfAggTxReady(dev);
continue;
}
zmw_enter_critical_section(dev);
wd->destLock = 0;
zmw_leave_critical_section(dev);
//zmw_enter_critical_section(dev);
if (tid_tx && !tid_tx->size) {
//zmw_leave_critical_section(dev);
//DESTQ.delete(dev, 0, tid_tx, NULL);
}
else if(wd->aggState == 0){
//wd->aggState = 1;
//zmw_leave_critical_section(dev);
zfAggTxSend(dev, zfHpGetFreeTxdCount(dev), tid_tx);
//wd->aggState = 0;
}
else {
//zmw_leave_critical_section(dev);
break;
}
}
else {
vtxq = dest->vtxq;
buf = zfGetVtxq(dev, ac);
zm_assert( buf != 0 );
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
}
/*flush all but < 16 frames in tid_tx to TXQ*/
tid_tx = zfAggTxReady(dev);
}
/*while ((zfHpGetFreeTxdCount(dev)) > 32) {
//while ((zfHpGetFreeTxdCount(dev)) > 32) {
destQ_count = 0;
for (i=0; i<4; i++) destQ_count += wd->destQ.size[i];
if (0 >= destQ_count) break;
ac = pri[wd->destQ.ppri]; wd->destQ.ppri = (wd->destQ.ppri + 1) % 10;
for (i=0; i<10; i++){
if(wd->destQ.size[ac]!=0) break;
ac = pri[wd->destQ.ppri]; wd->destQ.ppri = (wd->destQ.ppri + 1) % 10;
}
if (i == 10) break;
dest = wd->destQ.getNext(dev, ac);
if (dest->Qtype == 0) {
tid_tx = dest->tid_tx;
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
if (!tid_tx->size) {
wd->destQ.delete(dev, 0, tid_tx, NULL);
break;
}
else if((wd->aggState == 0) && (tid_tx->size >= 16)){
zfAggTxSend(dev, zfHpGetFreeTxdCount(dev), tid_tx);
}
else {
break;
}
}
}
*/
return;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTx */
/* return Status code ZM_SUCCESS or error code */
/* management A-MPDU aggregation function, */
/* management aggregation queue, calculate arrivalrate, */
/* add/delete an aggregation queue of a stream, */
/* enqueue packets into responsible aggregate queue. */
/* take (dev, buf, ac) as input */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : packet buff */
/* ac : access category */
/* */
/* OUTPUTS */
/* status code */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTx(zdev_t* dev, zbuf_t* buf, u16_t tid)
{
u16_t aid;
//u16_t qnum;
//u16_t aggflag = 0;
//u16_t arrivalrate = 0;
TID_TX tid_tx;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
if(!wd->aggInitiated)
{
return ZM_ERR_TX_BUFFER_UNAVAILABLE;
}
aid = zfAggGetSta(dev, buf);
//arrivalrate = zfAggTxArrivalRate(dev, aid, tid);
if (0xffff == aid)
{
/*
* STA not associated, this is a BC/MC or STA->AP packet
*/
return ZM_ERR_TX_BUFFER_UNAVAILABLE;
}
/*
* STA associated, a unicast packet
*/
tid_tx = zfAggTxGetQueue(dev, aid, tid);
/*tid_q.tid_tx = tid_tx;
wd->destQ.insert = zfAggDestInsert;
wd->destQ.insert(dev, 0, tid_q);
*/
if (tid_tx != NULL)
{
/*
* this (aid, ac) is aggregated
*/
//if (arrivalrate < ZM_AGG_LOW_THRESHOLD)
if (0)
{
/*
* arrival rate too low
* delete this aggregate queue
*/
zmw_enter_critical_section(dev);
//wd->aggQPool[qnum]->clearFlag = wd->aggQPool[qnum]->deleteFlag =1;
zmw_leave_critical_section(dev);
}
return zfAggTxEnqueue(dev, buf, aid, tid_tx);
}
else
{
/*
* this (aid, ac) not yet aggregated
* queue not found
*/
//if (arrivalrate > ZM_AGG_HIGH_THRESHOLD)
if (1)
{
/*
* arrivalrate high enough to get a new agg queue
*/
tid_tx = zfAggTxNewQueue(dev, aid, tid, buf);
//zm_msg1_agg(ZM_LV_0, "get new AggQueue qnum = ", tid_tx->);
if (tid_tx)
{
/*
* got a new aggregate queue
*/
//zmw_enter_critical_section(dev);
//wd->aggSta[aid].aggFlag[ac] = 1;
//zmw_leave_critical_section(dev);
/*
* add ADDBA functions here
* return ZM_ERR_TX_BUFFER_UNAVAILABLE;
*/
//zfAggSendAddbaRequest(dev, tid_tx->dst, tid_tx->ac, tid_tx->tid);
//zmw_enter_critical_section(dev);
//wd->aggSta[aid].aggFlag[ac] = 0;
//zmw_leave_critical_section(dev);
return zfAggTxEnqueue(dev, buf, aid, tid_tx);
}
else
{
/*
* just can't get a new aggregate queue
*/
return ZM_ERR_TX_BUFFER_UNAVAILABLE;
}
}
else
{
/*
* arrival rate is not high enough to get a new agg queue
*/
return ZM_ERR_TX_BUFFER_UNAVAILABLE;
}
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxReadyCount */
/* return counter of ready to aggregate queues. */
/* take (dev, ac) as input, only calculate the ready to aggregate */
/* queues of one particular ac. */
/* */
/* INPUTS */
/* dev : device pointer */
/* ac : access category */
/* */
/* OUTPUTS */
/* counter of ready to aggregate queues */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxReadyCount(zdev_t* dev, u16_t ac)
{
u16_t i;
u16_t readycount = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for (i=0 ; i<ZM_AGG_POOL_SIZE; i++)
{
if (wd->aggQPool[i]->aggQEnabled && (wd->aggQPool[i]->aggReady || \
wd->aggQPool[i]->clearFlag) && ac == wd->aggQPool[i]->ac)
readycount++;
}
zmw_leave_critical_section(dev);
return readycount;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxPartial */
/* return the number that Vtxq has to send. */
/* take (dev, ac, readycount) as input, calculate the ratio of */
/* Vtxq length to (Vtxq length + readycount) of a particular ac, */
/* and returns the Vtxq length * the ratio */
/* */
/* INPUTS */
/* dev : device pointer */
/* ac : access category */
/* readycount: the number of ready to aggregate queues of this ac */
/* */
/* OUTPUTS */
/* Vtxq length * ratio */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxPartial(zdev_t* dev, u16_t ac, u16_t readycount)
{
u16_t qlen;
u16_t partial;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
qlen = zm_agg_qlen(dev, wd->vtxqHead[ac], wd->vtxqTail[ac]);
if ((qlen + readycount) > 0)
{
partial = (u16_t)( zm_agg_weight(ac) * ((u16_t)qlen/(qlen + \
readycount)) );
}
else
{
partial = 0;
}
zmw_leave_critical_section(dev);
if (partial > qlen)
partial = qlen;
return partial;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxSend */
/* return sentcount */
/* take (dev, ac, n) as input, n is the number of scheduled agg */
/* queues to be sent of the particular ac. */
/* */
/* INPUTS */
/* dev : device pointer */
/* ac : access category */
/* n : the number of scheduled aggregation queues to be sent */
/* */
/* OUTPUTS */
/* sentcount */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxSend(zdev_t* dev, u32_t freeTxd, TID_TX tid_tx)
{
//u16_t qnum;
//u16_t qlen;
u16_t j;
//u16_t sentcount = 0;
zbuf_t* buf;
struct aggControl aggControl;
u16_t aggLen;
//zbuf_t* newBuf;
//u16_t bufLen;
//TID_BAW tid_baw = NULL;
//struct bufInfo *buf_info;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
//while (tid_tx->size > 0)
zmw_enter_critical_section(dev);
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
aggLen = zm_agg_min(16, zm_agg_min(tid_tx->size, (u16_t)(freeTxd - 2)));
zmw_leave_critical_section(dev);
/*
* why there have to be 2 free Txd?
*/
if (aggLen <=0 )
return 0;
if (aggLen == 1) {
buf = zfAggTxGetVtxq(dev, tid_tx);
if (buf)
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
if (tid_tx->size == 0) {
//DESTQ.delete(dev, 0, tid_tx, NULL);
}
return 1;
}
/*
* Free Txd queue is big enough to put aggregation
*/
zmw_enter_critical_section(dev);
if (wd->aggState == 1) {
zmw_leave_critical_section(dev);
return 0;
}
wd->aggState = 1;
zmw_leave_critical_section(dev);
zm_msg1_agg(ZM_LV_0, "aggLen=", aggLen);
tid_tx->aggFrameSize = 0;
for (j=0; j < aggLen; j++) {
buf = zfAggTxGetVtxq(dev, tid_tx);
zmw_enter_critical_section(dev);
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
zmw_leave_critical_section(dev);
if ( buf ) {
//struct aggTally *agg_tal;
u16_t completeIndex;
if (0 == j) {
aggControl.ampduIndication = ZM_AGG_FIRST_MPDU;
}
else if ((j == (aggLen - 1)) || tid_tx->size == 0)
{
aggControl.ampduIndication = ZM_AGG_LAST_MPDU;
//wd->aggState = 0;
}
else
{
aggControl.ampduIndication = ZM_AGG_MIDDLE_MPDU;
/* the packet is delayed more than 500 ms, drop it */
}
tid_tx->aggFrameSize += zfwBufGetSize(dev, buf);
aggControl.addbaIndication = 0;
aggControl.aggEnabled = 1;
#ifdef ZM_AGG_TALLY
agg_tal = &wd->agg_tal;
agg_tal->sent_packets_sum++;
#endif
zfAggTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0, &aggControl, tid_tx);
zmw_enter_critical_section(dev);
completeIndex = tid_tx->complete;
if(zm_agg_inQ(tid_tx, tid_tx->complete))
zm_agg_plus(tid_tx->complete);
zmw_leave_critical_section(dev);
if(zm_agg_inQ(tid_tx, completeIndex) && wd->zfcbSendCompleteIndication
&& tid_tx->aggvtxq[completeIndex].buf) {
wd->zfcbSendCompleteIndication(dev, tid_tx->aggvtxq[completeIndex].buf);
zm_debug_msg0("in queue complete worked!");
}
}
else {
/*
* this aggregation queue is empty
*/
zm_msg1_agg(ZM_LV_0, "aggLen not reached, but no more frame, j=", j);
break;
}
}
zmw_enter_critical_section(dev);
wd->aggState = 0;
zmw_leave_critical_section(dev);
//zm_acquire_agg_spin_lock(Adapter);
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
//zm_release_agg_spin_lock(Adapter);
if (tid_tx->size == 0) {
//DESTQ.delete(dev, 0, tid_tx, NULL);
}
//zfAggInvokeBar(dev, tid_tx);
if(j>0) {
aggr_count++;
zm_msg1_agg(ZM_LV_0, "0xC2:sent 1 aggr, aggr_count=", aggr_count);
zm_msg1_agg(ZM_LV_0, "0xC2:sent 1 aggr, aggr_size=", j);
}
return j;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxGetReadyQueue */
/* return the number of the aggregation queue */
/* take (dev, ac) as input, find the agg queue with smallest */
/* arrival time (waited longest) among those ready or clearFlag */
/* set queues. */
/* */
/* INPUTS */
/* dev : device pointer */
/* ac : access category */
/* */
/* OUTPUTS */
/* aggregation queue number */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
TID_TX zfAggTxGetReadyQueue(zdev_t* dev, u16_t ac)
{
//u16_t qnum = ZM_AGG_POOL_SIZE;
u16_t i;
u32_t time = 0;
TID_TX tid_tx = NULL;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for (i=0 ;i<ZM_AGG_POOL_SIZE; i++)
{
if (1 == wd->aggQPool[i]->aggQEnabled && ac == wd->aggQPool[i]->ac &&
(wd->aggQPool[i]->size > 0))
{
if (0 == time || time > wd->aggQPool[i]->aggvtxq[ \
wd->aggQPool[i]->aggHead ].arrivalTime)
{
tid_tx = wd->aggQPool[i];
time = tid_tx->aggvtxq[ tid_tx->aggHead ].arrivalTime;
}
}
}
zmw_leave_critical_section(dev);
return tid_tx;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxGetVtxq */
/* return an MSDU */
/* take (dev, qnum) as input, return an MSDU out of the agg queue. */
/* */
/* INPUTS */
/* dev : device pointer */
/* qnum: queue number */
/* */
/* OUTPUTS */
/* a MSDU */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
zbuf_t* zfAggTxGetVtxq(zdev_t* dev, TID_TX tid_tx)
{
zbuf_t* buf = NULL;
zmw_declare_for_critical_section();
if (tid_tx->aggHead != tid_tx->aggTail)
{
buf = tid_tx->aggvtxq[ tid_tx->aggTail ].buf;
tid_tx->aggvtxq[tid_tx->aggTail].buf = NULL;
zmw_enter_critical_section(dev);
tid_tx->aggTail = ((tid_tx->aggTail + 1) & ZM_AGGQ_SIZE_MASK);
if(tid_tx->size > 0) tid_tx->size--;
tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail);
if (NULL == buf) {
//tid_tx->aggTail = tid_tx->aggHead = tid_tx->size = 0;
//zm_msg1_agg(ZM_LV_0, "GetVtxq buf == NULL, tid_tx->size=", tid_tx->size);
}
zmw_leave_critical_section(dev);
}
else
{
/*
* queue is empty
*/
zm_msg1_agg(ZM_LV_0, "tid_tx->aggHead == tid_tx->aggTail, tid_tx->size=", tid_tx->size);
}
if (zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail) != tid_tx->size)
zm_msg1_agg(ZM_LV_0, "qlen!=tid_tx->size! tid_tx->size=", tid_tx->size);
return buf;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxDeleteQueue */
/* return ZM_SUCCESS (can't fail) */
/* take (dev, qnum) as input, reset (delete) this aggregate queue, */
/* this queue is virtually returned to the aggregate queue pool. */
/* */
/* INPUTS */
/* dev : device pointer */
/* qnum: queue number */
/* */
/* OUTPUTS */
/* ZM_SUCCESS */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxDeleteQueue(zdev_t* dev, u16_t qnum)
{
u16_t ac, tid;
struct aggQueue *tx_tid;
struct aggSta *agg_sta;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
tx_tid = wd->aggQPool[qnum];
agg_sta = &wd->aggSta[tx_tid->aggQSTA];
ac = tx_tid->ac;
tid = tx_tid->tid;
zmw_enter_critical_section(dev);
tx_tid->aggQEnabled = 0;
tx_tid->aggHead = tx_tid->aggTail = 0;
tx_tid->aggReady = 0;
tx_tid->clearFlag = tx_tid->deleteFlag = 0;
tx_tid->size = 0;
agg_sta->count[ac] = 0;
agg_sta->tid_tx[tid] = NULL;
agg_sta->aggFlag[ac] = 0;
zmw_leave_critical_section(dev);
zm_msg1_agg(ZM_LV_0, "queue deleted! qnum=", qnum);
return ZM_SUCCESS;
}
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
void zfBawCore(zdev_t* dev, u16_t baw_seq, u32_t bitmap, u16_t aggLen) {
TID_BAW tid_baw;
s16_t i;
zbuf_t* buf;
struct bufInfo *buf_info;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
tid_baw = BAW->getQ(dev, baw_seq);
//tid_baw = NULL;
if (NULL == tid_baw)
return;
total_mpdu += aggLen;
for (i = aggLen - 1; i>=0; i--) {
if (((bitmap >> i) & 0x1) == 0) {
buf_info = BAW->pop(dev, i, tid_baw);
buf = buf_info->buf;
if (buf) {
//wd->zfcbSetBawQ(dev, buf, 0);
zfAggTidTxInsertHead(dev, buf_info, tid_baw->tid_tx);
}
}
else {
success_mpdu++;
}
}
BAW->disable(dev, tid_baw);
zfAggTxScheduler(dev);
zm_debug_msg1("success_mpdu = ", success_mpdu);
zm_debug_msg1(" total_mpdu = ", total_mpdu);
}
void zfBawInit(zdev_t* dev) {
TID_BAW tid_baw;
u16_t i,j;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
for (i=0; i<ZM_BAW_POOL_SIZE; i++){
tid_baw = &BAW->tid_baw[i];
for (j=0; j<ZM_VTXQ_SIZE; j++) {
tid_baw->frame[j].buf = NULL;
}
tid_baw->enabled = tid_baw->head = tid_baw->tail = tid_baw->size = 0;
tid_baw->start_seq = 0;
}
BAW->delPoint = 0;
BAW->core = zfBawCore;
BAW->getNewQ = zfBawGetNewQ;
BAW->insert = zfBawInsert;
BAW->pop = zfBawPop;
BAW->enable = zfBawEnable;
BAW->disable = zfBawDisable;
BAW->getQ = zfBawGetQ;
}
TID_BAW zfBawGetNewQ(zdev_t* dev, u16_t start_seq, TID_TX tid_tx) {
TID_BAW tid_baw=NULL;
TID_BAW next_baw=NULL;
u16_t i;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
for (i=0; i<ZM_BAW_POOL_SIZE; i++){
tid_baw = &BAW->tid_baw[i];
if (FALSE == tid_baw->enabled)
break;
}
*/
tid_baw = &BAW->tid_baw[BAW->delPoint];
i = BAW->delPoint;
//if (ZM_BAW_POOL_SIZE == i) {
//return NULL;
// u8_t temp = BAW->delPoint;
// tid_baw = &BAW->tid_baw[BAW->delPoint];
// BAW->disable(dev, tid_baw);
// BAW->delPoint = (BAW->delPoint < (ZM_BAW_POOL_SIZE - 1))? (BAW->delPoint + 1): 0;
// temp = BAW->delPoint;
//}
zm_msg1_agg(ZM_LV_0, "get new tid_baw, index=", i);
BAW->delPoint = (i < (ZM_BAW_POOL_SIZE -1))? (i + 1): 0;
next_baw = &BAW->tid_baw[BAW->delPoint];
if (1 == next_baw->enabled) BAW->disable(dev, next_baw);
BAW->enable(dev, tid_baw, start_seq);
tid_baw->tid_tx = tid_tx;
return tid_baw;
}
u16_t zfBawInsert(zdev_t* dev, zbuf_t* buf, u16_t baw_seq, TID_BAW tid_baw, u8_t baw_retransmit, struct baw_header_r *header_r) {
//TID_BAW tid_baw;
//u16_t bufLen;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
if(tid_baw->size < (ZM_VTXQ_SIZE - 1)) {
struct baw_header *baw_header = &tid_baw->frame[tid_baw->head].baw_header;
baw_header->headerLen = header_r->headerLen;
baw_header->micLen = header_r->micLen;
baw_header->snapLen = header_r->snapLen;
baw_header->removeLen = header_r->removeLen;
baw_header->keyIdx = header_r->keyIdx;
zfwMemoryCopy((u8_t *)baw_header->header, (u8_t *)header_r->header, 58);
zfwMemoryCopy((u8_t *)baw_header->mic , (u8_t *)header_r->mic , 8);
zfwMemoryCopy((u8_t *)baw_header->snap , (u8_t *)header_r->snap , 8);
//wd->zfcbSetBawQ(dev, buf, 1);
tid_baw->frame[tid_baw->head].buf = buf;
tid_baw->frame[tid_baw->head].baw_seq = baw_seq;
tid_baw->frame[tid_baw->head].baw_retransmit = baw_retransmit + 1;
//tid_baw->frame[tid_baw->head].data = pBuf->data;
tid_baw->head++;
tid_baw->size++;
}
else {
//wd->zfcbSetBawQ(dev, buf, 0);
zfwBufFree(dev, buf, ZM_SUCCESS);
return FALSE;
}
return TRUE;
}
struct bufInfo* zfBawPop(zdev_t* dev, u16_t index, TID_BAW tid_baw) {
//TID_BAW tid_baw;
//zbuf_t* buf;
struct bufInfo *buf_info;
zmw_get_wlan_dev(dev);
buf_info = &wd->buf_info;
buf_info->baw_header = NULL;
if (NULL == (buf_info->buf = tid_baw->frame[index].buf))
return buf_info;
buf_info->baw_retransmit = tid_baw->frame[index].baw_retransmit;
buf_info->baw_header = &tid_baw->frame[index].baw_header;
buf_info->timestamp = tid_baw->frame[index].timestamp;
//pBuf->data = pBuf->buffer;
//wd->zfcbRestoreBufData(dev, buf);
tid_baw->frame[index].buf = NULL;
return buf_info;
}
void zfBawEnable(zdev_t* dev, TID_BAW tid_baw, u16_t start_seq) {
//TID_BAW tid_baw;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
tid_baw->enabled = TRUE;
tid_baw->head = tid_baw->tail = tid_baw->size = 0;
tid_baw->start_seq = start_seq;
}
void zfBawDisable(zdev_t* dev, TID_BAW tid_baw) {
//TID_BAW tid_baw;
u16_t i;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
for (i=0; i<ZM_VTXQ_SIZE; i++) {
if (tid_baw->frame[i].buf) {
//wd->zfcbSetBawQ(dev, tid_baw->frame[i].buf, 0);
zfwBufFree(dev, tid_baw->frame[i].buf, ZM_SUCCESS);
tid_baw->frame[i].buf = NULL;
}
}
tid_baw->enabled = FALSE;
}
TID_BAW zfBawGetQ(zdev_t* dev, u16_t baw_seq) {
TID_BAW tid_baw=NULL;
u16_t i;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
for (i=0; i<ZM_BAW_POOL_SIZE; i++){
tid_baw = &BAW->tid_baw[i];
if (TRUE == tid_baw->enabled)
{
zm_msg1_agg(ZM_LV_0, "get an old tid_baw, baw_seq=", baw_seq);
zm_msg1_agg(ZM_LV_0, "check a tid_baw->start_seq=", tid_baw->start_seq);
if(baw_seq == tid_baw->start_seq)
break;
}
}
if (ZM_BAW_POOL_SIZE == i)
return NULL;
return tid_baw;
}
#endif //disable BAW
#endif
u16_t zfAggTallyReset(zdev_t* dev)
{
struct aggTally* agg_tal;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
agg_tal = &wd->agg_tal;
agg_tal->got_packets_sum = 0;
agg_tal->got_bytes_sum = 0;
agg_tal->sent_bytes_sum = 0;
agg_tal->sent_packets_sum = 0;
agg_tal->avg_got_packets = 0;
agg_tal->avg_got_bytes = 0;
agg_tal->avg_sent_packets = 0;
agg_tal->avg_sent_bytes = 0;
agg_tal->time = 0;
return 0;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggScanAndClear */
/* If the packets in a queue have waited for too long, clear and */
/* delete this aggregation queue. */
/* */
/* INPUTS */
/* dev : device pointer */
/* time : current time */
/* */
/* OUTPUTS */
/* ZM_SUCCESS */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggScanAndClear(zdev_t* dev, u32_t time)
{
u16_t i;
u16_t head;
u16_t tail;
u32_t tick;
u32_t arrivalTime;
//u16_t aid, ac;
TID_TX tid_tx;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
if(!(wd->state == ZM_WLAN_STATE_ENABLED)) return 0;
zfAggTxScheduler(dev, 1);
tick = zm_agg_GetTime();
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
if (!wd->aggQPool[i]) return 0;
if (1 == wd->aggQPool[i]->aggQEnabled)
{
tid_tx = wd->aggQPool[i];
zmw_enter_critical_section(dev);
head = tid_tx->aggHead;
tail = tid_tx->aggTail;
arrivalTime = (u32_t)tid_tx->aggvtxq[tid_tx->aggTail].arrivalTime;
if((tick - arrivalTime) <= ZM_AGG_CLEAR_TIME)
{
}
else if((tid_tx->size = zm_agg_qlen(dev, tid_tx->aggHead, tid_tx->aggTail)) > 0)
{
tid_tx->clearFlag = 1;
//zm_msg1_agg(ZM_LV_0, "clear queue tick =", tick);
//zm_msg1_agg(ZM_LV_0, "clear queue arrival =", arrivalTime);
//zmw_leave_critical_section(dev);
//zfAggTxScheduler(dev);
//zmw_enter_critical_section(dev);
}
if (tid_tx->size == 0)
{
/*
* queue empty
*/
if (tick - tid_tx->lastArrival > ZM_AGG_DELETE_TIME)
{
zm_msg1_agg(ZM_LV_0, "delete queue, idle for n sec. n = ", \
ZM_AGG_DELETE_TIME/10);
zmw_leave_critical_section(dev);
zfAggTxDeleteQueue(dev, i);
zmw_enter_critical_section(dev);
}
}
zmw_leave_critical_section(dev);
}
}
zfAggRxClear(dev, time);
#ifdef ZM_AGG_TALLY
if((wd->tick % 100) == 0) {
zfAggPrintTally(dev);
}
#endif
return ZM_SUCCESS;
}
u16_t zfAggPrintTally(zdev_t* dev)
{
struct aggTally* agg_tal;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
agg_tal = &wd->agg_tal;
if(agg_tal->got_packets_sum < 10)
{
zfAggTallyReset(dev);
return 0;
}
agg_tal->time++;
agg_tal->avg_got_packets = (agg_tal->avg_got_packets * (agg_tal->time - 1) +
agg_tal->got_packets_sum) / agg_tal->time;
agg_tal->avg_got_bytes = (agg_tal->avg_got_bytes * (agg_tal->time - 1) +
agg_tal->got_bytes_sum) / agg_tal->time;
agg_tal->avg_sent_packets = (agg_tal->avg_sent_packets * (agg_tal->time - 1)
+ agg_tal->sent_packets_sum) / agg_tal->time;
agg_tal->avg_sent_bytes = (agg_tal->avg_sent_bytes * (agg_tal->time - 1) +
agg_tal->sent_bytes_sum) / agg_tal->time;
zm_msg1_agg(ZM_LV_0, "got_packets_sum =", agg_tal->got_packets_sum);
zm_msg1_agg(ZM_LV_0, " got_bytes_sum =", agg_tal->got_bytes_sum);
zm_msg1_agg(ZM_LV_0, "sent_packets_sum=", agg_tal->sent_packets_sum);
zm_msg1_agg(ZM_LV_0, " sent_bytes_sum =", agg_tal->sent_bytes_sum);
agg_tal->got_packets_sum = agg_tal->got_bytes_sum =agg_tal->sent_packets_sum
= agg_tal->sent_bytes_sum = 0;
zm_msg1_agg(ZM_LV_0, "avg_got_packets =", agg_tal->avg_got_packets);
zm_msg1_agg(ZM_LV_0, " avg_got_bytes =", agg_tal->avg_got_bytes);
zm_msg1_agg(ZM_LV_0, "avg_sent_packets=", agg_tal->avg_sent_packets);
zm_msg1_agg(ZM_LV_0, " avg_sent_bytes =", agg_tal->avg_sent_bytes);
if ((wd->commTally.BA_Fail == 0) || (wd->commTally.Hw_Tx_MPDU == 0))
{
zm_msg1_agg(ZM_LV_0, "Hardware Tx MPDU=", wd->commTally.Hw_Tx_MPDU);
zm_msg1_agg(ZM_LV_0, " BA Fail number=", wd->commTally.BA_Fail);
}
else
zm_msg1_agg(ZM_LV_0, "1/(BA fail rate)=", wd->commTally.Hw_Tx_MPDU/wd->commTally.BA_Fail);
return 0;
}
u16_t zfAggRxClear(zdev_t* dev, u32_t time)
{
u16_t i;
struct agg_tid_rx *tid_rx;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
zmw_enter_critical_section(dev);
tid_rx = wd->tid_rx[i];
if (tid_rx->baw_head != tid_rx->baw_tail)
{
u16_t j = tid_rx->baw_tail;
while ((j != tid_rx->baw_head) && !tid_rx->frame[j].buf) {
j = (j + 1) & ZM_AGG_BAW_MASK;
}
if ((j != tid_rx->baw_head) && (time - tid_rx->frame[j].arrivalTime) >
(ZM_AGG_CLEAR_TIME - 5))
{
zmw_leave_critical_section(dev);
zm_msg0_agg(ZM_LV_1, "queue RxFlush by RxClear");
zfAggRxFlush(dev, 0, tid_rx);
zmw_enter_critical_section(dev);
}
}
zmw_leave_critical_section(dev);
}
return ZM_SUCCESS;
}
struct agg_tid_rx* zfAggRxEnabled(zdev_t* dev, zbuf_t* buf)
{
u16_t dst0, src[3], aid;
u16_t offset = 0;
u16_t seq_no;
u16_t frameType;
u16_t frameCtrl;
u16_t frameSubtype;
//struct aggSta *agg_sta;
#if ZM_AGG_FPGA_REORDERING
struct agg_tid_rx *tid_rx;
#endif
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
seq_no = zmw_rx_buf_readh(dev, buf, 22) >> 4;
//DbgPrint("Rx seq=%d\n", seq_no);
if (wd->sta.EnableHT == 0)
{
return NULL;
}
frameCtrl = zmw_rx_buf_readb(dev, buf, 0);
frameType = frameCtrl & 0xf;
frameSubtype = frameCtrl & 0xf0;
if (frameType != ZM_WLAN_DATA_FRAME) //non-Qos Data? (frameSubtype&0x80)
{
return NULL;
}
#ifdef ZM_ENABLE_PERFORMANCE_EVALUATION
{
u32_t tcp_seq;
tcp_seq = zmw_rx_buf_readb(dev, buf, 22+36) << 24;
tcp_seq += zmw_rx_buf_readb(dev, buf, 22+37) << 16;
tcp_seq += zmw_rx_buf_readb(dev, buf, 22+38) << 8;
tcp_seq += zmw_rx_buf_readb(dev, buf, 22+39);
ZM_SEQ_DEBUG("In %5d, %12u\n", seq_no, tcp_seq);
}
#endif
dst0 = zmw_rx_buf_readh(dev, buf, offset+4);
src[0] = zmw_rx_buf_readh(dev, buf, offset+10);
src[1] = zmw_rx_buf_readh(dev, buf, offset+12);
src[2] = zmw_rx_buf_readh(dev, buf, offset+14);
#if ZM_AGG_FPGA_DEBUG
aid = 0;
#else
aid = zfApFindSta(dev, src);
#endif
//agg_sta = &wd->aggSta[aid];
//zfTxGetIpTosAndFrag(dev, buf, &up, &fragOff);
//ac = zcUpToAc[up&0x7] & 0x3;
/*
* Filter unicast frame only, aid == 0 is for debug only
*/
if ((dst0 & 0x1) == 0 && aid == 0)
{
#if ZM_AGG_FPGA_REORDERING
tid_rx = zfAggRxGetQueue(dev, buf) ;
if(!tid_rx)
return NULL;
else
{
//if (tid_rx->addBaExchangeStatusCode == ZM_AGG_ADDBA_RESPONSE)
return tid_rx;
}
#else
return NULL;
#endif
}
return NULL;
}
u16_t zfAggRx(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo *addInfo, struct agg_tid_rx *tid_rx)
{
u16_t seq_no;
s16_t index;
u16_t offset = 0;
zbuf_t* pbuf;
u8_t frameSubType;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
ZM_BUFFER_TRACE(dev, buf)
ZM_PERFORMANCE_RX_REORDER(dev);
seq_no = zmw_rx_buf_readh(dev, buf, offset+22) >> 4;
index = seq_no - tid_rx->seq_start;
/*
* for debug
*/
/* zm_msg2_agg(ZM_LV_0, "queue seq = ", seq_no);
* DbgPrint("%s:%s%lxh %s%lxh\n", __func__, "queue seq=", seq_no,
* "; seq_start=", tid_rx->seq_start);
*/
//DbgPrint("seq_no=%d, seq_start=%d\n", seq_no, tid_rx->seq_start);
/* In some APs, we found that it might transmit NULL data whose sequence number
is out or order. In order to avoid this problem, we ignore these NULL data.
*/
frameSubType = (zmw_rx_buf_readh(dev, buf, 0) & 0xF0) >> 4;
/* If this is a NULL data instead of Qos NULL data */
if ((frameSubType & 0x0C) == 0x04)
{
s16_t seq_diff;
seq_diff = (seq_no > tid_rx->seq_start) ?
seq_no - tid_rx->seq_start : tid_rx->seq_start - seq_no;
if (seq_diff > ZM_AGG_BAW_SIZE)
{
zm_debug_msg0("Free Rx NULL data in zfAggRx");
/* Free Rx buffer */
zfwBufFree(dev, buf, 0);
return ZM_ERR_OUT_OF_ORDER_NULL_DATA;
}
}
/*
* sequence number wrap at 4k
*/
if (tid_rx->seq_start > seq_no)
{
//index += 4096;
zmw_enter_critical_section(dev);
if (tid_rx->seq_start >= 4096) {
tid_rx->seq_start = 0;
}
zmw_leave_critical_section(dev);
}
if (tid_rx->seq_start == seq_no) {
zmw_enter_critical_section(dev);
if (((tid_rx->baw_head - tid_rx->baw_tail) & ZM_AGG_BAW_MASK) > 0) {
//DbgPrint("head=%d, tail=%d", tid_rx->baw_head, tid_rx->baw_tail);
tid_rx->baw_tail = (tid_rx->baw_tail + 1) & ZM_AGG_BAW_MASK;
}
tid_rx->seq_start = (tid_rx->seq_start + 1) & (4096 - 1);
zmw_leave_critical_section(dev);
ZM_PERFORMANCE_RX_SEQ(dev, buf);
if (wd->zfcbRecv80211 != NULL) {
//seq_no = zmw_rx_buf_readh(dev, buf, offset+22) >> 4;
//DbgPrint("Recv indicate seq=%d\n", seq_no);
//DbgPrint("1. seq=%d\n", seq_no);
wd->zfcbRecv80211(dev, buf, addInfo);
}
else {
zfiRecv80211(dev, buf, addInfo);
}
}
else if (!zfAggRxEnqueue(dev, buf, tid_rx, addInfo))
{
/*
* duplicated packet
*/
return 1;
}
while (tid_rx->baw_head != tid_rx->baw_tail) {// && tid_rx->frame[tid_rx->baw_tail].buf)
u16_t tailIndex;
zmw_enter_critical_section(dev);
tailIndex = tid_rx->baw_tail;
pbuf = tid_rx->frame[tailIndex].buf;
tid_rx->frame[tailIndex].buf = 0;
if (!pbuf)
{
zmw_leave_critical_section(dev);
break;
}
tid_rx->baw_tail = (tid_rx->baw_tail + 1) & ZM_AGG_BAW_MASK;
tid_rx->seq_start = (tid_rx->seq_start + 1) & (4096 - 1);
//if(pbuf && tid_rx->baw_size > 0)
// tid_rx->baw_size--;
zmw_leave_critical_section(dev);
ZM_PERFORMANCE_RX_SEQ(dev, pbuf);
if (wd->zfcbRecv80211 != NULL)
{
//seq_no = zmw_rx_buf_readh(dev, pbuf, offset+22) >> 4;
//DbgPrint("Recv indicate seq=%d\n", seq_no);
//DbgPrint("1. seq=%d\n", seq_no);
wd->zfcbRecv80211(dev, pbuf, addInfo);
}
else
{
//seq_no = zmw_rx_buf_readh(dev, pbuf, offset+22) >> 4;
//DbgPrint("Recv indicate seq=%d\n", seq_no);
zfiRecv80211(dev, pbuf, addInfo);
}
}
return 1;
}
struct agg_tid_rx *zfAggRxGetQueue(zdev_t* dev, zbuf_t* buf)
{
u16_t src[3];
u16_t aid, ac, i;
u16_t offset = 0;
struct agg_tid_rx *tid_rx = NULL;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
src[0] = zmw_rx_buf_readh(dev, buf, offset+10);
src[1] = zmw_rx_buf_readh(dev, buf, offset+12);
src[2] = zmw_rx_buf_readh(dev, buf, offset+14);
aid = zfApFindSta(dev, src);
ac = (zmw_rx_buf_readh(dev, buf, 24) & 0xF);
// mark by spin lock debug
//zmw_enter_critical_section(dev);
for (i=0; i<ZM_AGG_POOL_SIZE ; i++)
{
if((wd->tid_rx[i]->aid == aid) && (wd->tid_rx[i]->ac == ac))
{
tid_rx = wd->tid_rx[i];
break;
}
}
// mark by spin lock debug
//zmw_leave_critical_section(dev);
return tid_rx;
}
u16_t zfAggRxEnqueue(zdev_t* dev, zbuf_t* buf, struct agg_tid_rx *tid_rx, struct zsAdditionInfo *addInfo)
{
u16_t seq_no, offset = 0;
u16_t q_index;
s16_t index;
u8_t bdropframe = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
ZM_BUFFER_TRACE(dev, buf)
seq_no = zmw_rx_buf_readh(dev, buf, offset+22) >> 4;
index = seq_no - tid_rx->seq_start;
/*
* sequence number wrap at 4k
* -1000: check for duplicate past packet
*/
bdropframe = 0;
if (tid_rx->seq_start > seq_no) {
if ((tid_rx->seq_start > 3967) && (seq_no < 128)) {
index += 4096;
} else if (tid_rx->seq_start - seq_no > 70) {
zmw_enter_critical_section(dev);
tid_rx->sq_behind_count++;
if (tid_rx->sq_behind_count > 3) {
tid_rx->sq_behind_count = 0;
} else {
bdropframe = 1;
}
zmw_leave_critical_section(dev);
} else {
bdropframe = 1;
}
} else {
if (seq_no - tid_rx->seq_start > 70) {
zmw_enter_critical_section(dev);
tid_rx->sq_exceed_count++;
if (tid_rx->sq_exceed_count > 3) {
tid_rx->sq_exceed_count = 0;
} else {
bdropframe = 1;
}
zmw_leave_critical_section(dev);
}
}
if (bdropframe == 1) {
/*if (wd->zfcbRecv80211 != NULL) {
wd->zfcbRecv80211(dev, buf, addInfo);
}
else {
zfiRecv80211(dev, buf, addInfo);
}*/
ZM_PERFORMANCE_FREE(dev, buf);
zfwBufFree(dev, buf, 0);
/*zfAggRxFlush(dev, seq_no, tid_rx);
tid_rx->seq_start = seq_no;
index = seq_no - tid_rx->seq_start;
*/
//DbgPrint("Free an old packet, seq_start=%d, seq_no=%d\n", tid_rx->seq_start, seq_no);
/*
* duplicate past packet
* happens only in simulated aggregation environment
*/
return 0;
} else {
zmw_enter_critical_section(dev);
if (tid_rx->sq_exceed_count > 0){
tid_rx->sq_exceed_count--;
}
if (tid_rx->sq_behind_count > 0) {
tid_rx->sq_behind_count--;
}
zmw_leave_critical_section(dev);
}
if (index < 0) {
zfAggRxFlush(dev, seq_no, tid_rx);
tid_rx->seq_start = seq_no;
index = 0;
}
//if (index >= (ZM_AGG_BAW_SIZE - 1))
if (index >= (ZM_AGG_BAW_MASK))
{
/*
* queue full
*/
//DbgPrint("index >= 64, seq_start=%d, seq_no=%d\n", tid_rx->seq_start, seq_no);
zfAggRxFlush(dev, seq_no, tid_rx);
//tid_rx->seq_start = seq_no;
index = seq_no - tid_rx->seq_start;
if ((tid_rx->seq_start > seq_no) && (tid_rx->seq_start > 1000) && (tid_rx->seq_start - 1000) > seq_no)
{
//index = seq_no - tid_rx->seq_start;
index += 4096;
}
//index = seq_no - tid_rx->seq_start;
while (index >= (ZM_AGG_BAW_MASK)) {
//DbgPrint("index >= 64, seq_start=%d, seq_no=%d\n", tid_rx->seq_start, seq_no);
tid_rx->seq_start = (tid_rx->seq_start + ZM_AGG_BAW_MASK) & (4096 - 1);
index = seq_no - tid_rx->seq_start;
if ((tid_rx->seq_start > seq_no) && (tid_rx->seq_start > 1000) && (tid_rx->seq_start - 1000) > seq_no)
{
index += 4096;
}
}
}
q_index = (tid_rx->baw_tail + index) & ZM_AGG_BAW_MASK;
if (tid_rx->frame[q_index].buf && (((tid_rx->baw_head - tid_rx->baw_tail) & ZM_AGG_BAW_MASK) >
(((q_index) - tid_rx->baw_tail) & ZM_AGG_BAW_MASK)))
{
ZM_PERFORMANCE_DUP(dev, tid_rx->frame[q_index].buf, buf);
zfwBufFree(dev, buf, 0);
//DbgPrint("Free a duplicate packet, seq_start=%d, seq_no=%d\n", tid_rx->seq_start, seq_no);
//DbgPrint("head=%d, tail=%d", tid_rx->baw_head, tid_rx->baw_tail);
/*
* duplicate packet
*/
return 0;
}
zmw_enter_critical_section(dev);
if(tid_rx->frame[q_index].buf) {
zfwBufFree(dev, tid_rx->frame[q_index].buf, 0);
tid_rx->frame[q_index].buf = 0;
}
tid_rx->frame[q_index].buf = buf;
tid_rx->frame[q_index].arrivalTime = zm_agg_GetTime();
zfwMemoryCopy((void*)&tid_rx->frame[q_index].addInfo, (void*)addInfo, sizeof(struct zsAdditionInfo));
/*
* for debug simulated aggregation only,
* should be done in rx of ADDBA Request
*/
//tid_rx->addInfo = addInfo;
if (((tid_rx->baw_head - tid_rx->baw_tail) & ZM_AGG_BAW_MASK) <= index)
{
//tid_rx->baw_size = index + 1;
if (((tid_rx->baw_head - tid_rx->baw_tail) & ZM_AGG_BAW_MASK) <=
//((q_index + 1) & ZM_AGG_BAW_MASK))
(((q_index) - tid_rx->baw_tail) & ZM_AGG_BAW_MASK))//tid_rx->baw_size )
tid_rx->baw_head = (q_index + 1) & ZM_AGG_BAW_MASK;
}
zmw_leave_critical_section(dev);
/*
* success
*/
//DbgPrint("head=%d, tail=%d, start=%d", tid_rx->baw_head, tid_rx->baw_tail, tid_rx->seq_start);
return 1;
}
u16_t zfAggRxFlush(zdev_t* dev, u16_t seq_no, struct agg_tid_rx *tid_rx)
{
zbuf_t* pbuf;
u16_t seq;
struct zsAdditionInfo addInfo;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
ZM_PERFORMANCE_RX_FLUSH(dev);
while (1)
{
zmw_enter_critical_section(dev);
if (tid_rx->baw_tail == tid_rx->baw_head) {
zmw_leave_critical_section(dev);
break;
}
pbuf = tid_rx->frame[tid_rx->baw_tail].buf;
zfwMemoryCopy((void*)&addInfo, (void*)&tid_rx->frame[tid_rx->baw_tail].addInfo, sizeof(struct zsAdditionInfo));
tid_rx->frame[tid_rx->baw_tail].buf = 0;
//if(pbuf && tid_rx->baw_size > 0) tid_rx->baw_size--;
tid_rx->baw_tail = (tid_rx->baw_tail + 1) & ZM_AGG_BAW_MASK;
tid_rx->seq_start = (tid_rx->seq_start + 1) & (4096 - 1);
zmw_leave_critical_section(dev);
if (pbuf)
{
ZM_PERFORMANCE_RX_SEQ(dev, pbuf);
if (wd->zfcbRecv80211 != NULL)
{
seq = zmw_rx_buf_readh(dev, pbuf, 22) >> 4;
//DbgPrint("Recv indicate seq=%d\n", seq);
//DbgPrint("2. seq=%d\n", seq);
wd->zfcbRecv80211(dev, pbuf, &addInfo);
}
else
{
seq = zmw_rx_buf_readh(dev, pbuf, 22) >> 4;
//DbgPrint("Recv indicate seq=%d\n", seq);
zfiRecv80211(dev, pbuf, &addInfo);
}
}
}
zmw_enter_critical_section(dev);
tid_rx->baw_head = tid_rx->baw_tail = 0;
zmw_leave_critical_section(dev);
return 1;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggRxFreeBuf */
/* Frees all queued packets in buffer when the driver is down. */
/* The zfFreeResource() will check if the buffer is all freed. */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* ZM_SUCCESS */
/* */
/* AUTHOR */
/* Honda Atheros Communications, INC. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggRxFreeBuf(zdev_t* dev, u16_t destroy)
{
u16_t i;
zbuf_t* buf;
struct agg_tid_rx *tid_rx;
TID_TX tid_tx;
//struct bufInfo *buf_info;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
u16_t j;
tid_rx = wd->tid_rx[i];
for(j=0; j <= ZM_AGG_BAW_SIZE; j++)
{
zmw_enter_critical_section(dev);
buf = tid_rx->frame[j].buf;
tid_rx->frame[j].buf = 0;
zmw_leave_critical_section(dev);
if (buf)
{
zfwBufFree(dev, buf, 0);
}
}
#if 0
if ( tid_rx->baw_head != tid_rx->baw_tail )
{
while (tid_rx->baw_head != tid_rx->baw_tail)
{
buf = tid_rx->frame[tid_rx->baw_tail].buf;
tid_rx->frame[tid_rx->baw_tail].buf = 0;
if (buf)
{
zfwBufFree(dev, buf, 0);
zmw_enter_critical_section(dev);
tid_rx->frame[tid_rx->baw_tail].buf = 0;
zmw_leave_critical_section(dev);
}
zmw_enter_critical_section(dev);
//if (tid_rx->baw_size > 0)tid_rx->baw_size--;
tid_rx->baw_tail = (tid_rx->baw_tail + 1) & ZM_AGG_BAW_MASK;
tid_rx->seq_start++;
zmw_leave_critical_section(dev);
}
}
#endif
zmw_enter_critical_section(dev);
tid_rx->seq_start = 0;
tid_rx->baw_head = tid_rx->baw_tail = 0;
tid_rx->aid = ZM_MAX_STA_SUPPORT;
zmw_leave_critical_section(dev);
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
if (tid_baw->enabled) {
zm_msg1_agg(ZM_LV_0, "Device down, clear BAW queue:", i);
BAW->disable(dev, tid_baw);
}
#endif
#endif
if (1 == wd->aggQPool[i]->aggQEnabled) {
tid_tx = wd->aggQPool[i];
buf = zfAggTxGetVtxq(dev, tid_tx);
while (buf) {
zfwBufFree(dev, buf, 0);
buf = zfAggTxGetVtxq(dev, tid_tx);
}
}
if(destroy) {
zfwMemFree(dev, wd->aggQPool[i], sizeof(struct aggQueue));
zfwMemFree(dev, wd->tid_rx[i], sizeof(struct agg_tid_rx));
}
}
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
if(destroy) zfwMemFree(dev, BAW, sizeof(struct baw_enabler));
#endif
#endif
return ZM_SUCCESS;
}
void zfAggRecvBAR(zdev_t* dev, zbuf_t *buf) {
u16_t start_seq, len;
u8_t i, bitmap[8];
len = zfwBufGetSize(dev, buf);
start_seq = zmw_rx_buf_readh(dev, buf, len-2);
DbgPrint("Received a BAR Control frame, start_seq=%d", start_seq>>4);
/* todo: set the bitmap by reordering buffer! */
for (i=0; i<8; i++) bitmap[i]=0;
zfSendBA(dev, start_seq, bitmap);
}
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION //disable BAW
void zfAggTxRetransmit(zdev_t* dev, struct bufInfo *buf_info, struct aggControl *aggControl, TID_TX tid_tx) {
u16_t removeLen;
u16_t err;
zmw_get_wlan_dev(dev);
if (aggControl && (ZM_AGG_FIRST_MPDU == aggControl->ampduIndication) ) {
tid_tx->bar_ssn = buf_info->baw_header->header[15];
aggControl->tid_baw->start_seq = tid_tx->bar_ssn >> 4;
zm_msg1_agg(ZM_LV_0, "start seq=", tid_tx->bar_ssn >> 4);
}
buf_info->baw_header->header[4] |= (1 << 11);
if (aggControl && aggControl->aggEnabled) {
//if (wd->enableAggregation==0 && !(buf_info->baw_header->header[6]&0x1))
//{
//if (((buf_info->baw_header->header[2] & 0x3) == 2))
//{
/* Enable aggregation */
buf_info->baw_header->header[1] |= 0x20;
if (ZM_AGG_LAST_MPDU == aggControl->ampduIndication) {
buf_info->baw_header->header[1] |= 0x4000;
}
else {
buf_info->baw_header->header[1] &= ~0x4000;
//zm_debug_msg0("ZM_AGG_LAST_MPDU");
}
//}
//else {
// zm_debug_msg1("no aggr, header[2]&0x3 = ",buf_info->baw_header->header[2] & 0x3)
// aggControl->aggEnabled = 0;
//}
//}
//else {
// zm_debug_msg1("no aggr, wd->enableAggregation = ", wd->enableAggregation);
// zm_debug_msg1("no aggr, !header[6]&0x1 = ",!(buf_info->baw_header->header[6]&0x1));
// aggControl->aggEnabled = 0;
//}
}
/*if (aggControl->tid_baw) {
struct baw_header_r header_r;
header_r.header = buf_info->baw_header->header;
header_r.mic = buf_info->baw_header->mic;
header_r.snap = buf_info->baw_header->snap;
header_r.headerLen = buf_info->baw_header->headerLen;
header_r.micLen = buf_info->baw_header->micLen;
header_r.snapLen = buf_info->baw_header->snapLen;
header_r.removeLen = buf_info->baw_header->removeLen;
header_r.keyIdx = buf_info->baw_header->keyIdx;
BAW->insert(dev, buf_info->buf, tid_tx->bar_ssn >> 4, aggControl->tid_baw, buf_info->baw_retransmit, &header_r);
}*/
err = zfHpSend(dev,
buf_info->baw_header->header,
buf_info->baw_header->headerLen,
buf_info->baw_header->snap,
buf_info->baw_header->snapLen,
buf_info->baw_header->mic,
buf_info->baw_header->micLen,
buf_info->buf,
buf_info->baw_header->removeLen,
ZM_EXTERNAL_ALLOC_BUF,
(u8_t)tid_tx->ac,
buf_info->baw_header->keyIdx);
if (err != ZM_SUCCESS)
{
goto zlError;
}
return;
zlError:
zfwBufFree(dev, buf_info->buf, 0);
return;
}
#endif //disable BAW
#endif
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAggTxSendEth */
/* Called to transmit Ethernet frame from upper elayer. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : buffer pointer */
/* port : WLAN port, 0=>standard, 0x10-0x17=>VAP, 0x20-0x25=>WDS */
/* */
/* OUTPUTS */
/* error code */
/* */
/* AUTHOR */
/* Stephen, Honda Atheros Communications, Inc. 2006.12 */
/* */
/************************************************************************/
u16_t zfAggTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u8_t flag, struct aggControl *aggControl, TID_TX tid_tx)
{
u16_t err;
//u16_t addrTblSize;
//struct zsAddrTbl addrTbl;
u16_t removeLen;
u16_t header[(8+30+2+18)/2]; /* ctr+(4+a1+a2+a3+2+a4)+qos+iv */
u16_t headerLen;
u16_t mic[8/2];
u16_t micLen;
u16_t snap[8/2];
u16_t snapLen;
u16_t fragLen;
u16_t frameLen;
u16_t fragNum;
struct zsFrag frag;
u16_t i, id;
u16_t da[3];
u16_t sa[3];
u8_t up;
u8_t qosType, keyIdx = 0;
u16_t fragOff;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zm_msg1_tx(ZM_LV_2, "zfTxSendEth(), port=", port);
/* Get IP TOS for QoS AC and IP frag offset */
zfTxGetIpTosAndFrag(dev, buf, &up, &fragOff);
#ifdef ZM_ENABLE_NATIVE_WIFI
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 16);
da[1] = zmw_tx_buf_readh(dev, buf, 18);
da[2] = zmw_tx_buf_readh(dev, buf, 20);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 10);
sa[1] = zmw_tx_buf_readh(dev, buf, 12);
sa[2] = zmw_tx_buf_readh(dev, buf, 14);
}
else if ( wd->wlanMode == ZM_MODE_IBSS )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 4);
da[1] = zmw_tx_buf_readh(dev, buf, 6);
da[2] = zmw_tx_buf_readh(dev, buf, 8);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 10);
sa[1] = zmw_tx_buf_readh(dev, buf, 12);
sa[2] = zmw_tx_buf_readh(dev, buf, 14);
}
else if ( wd->wlanMode == ZM_MODE_AP )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 4);
da[1] = zmw_tx_buf_readh(dev, buf, 6);
da[2] = zmw_tx_buf_readh(dev, buf, 8);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 16);
sa[1] = zmw_tx_buf_readh(dev, buf, 18);
sa[2] = zmw_tx_buf_readh(dev, buf, 20);
}
else
{
//
}
#else
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 0);
da[1] = zmw_tx_buf_readh(dev, buf, 2);
da[2] = zmw_tx_buf_readh(dev, buf, 4);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 6);
sa[1] = zmw_tx_buf_readh(dev, buf, 8);
sa[2] = zmw_tx_buf_readh(dev, buf, 10);
#endif
//Decide Key Index in ATOM, No meaning in OTUS--CWYang(m)
if (wd->wlanMode == ZM_MODE_AP)
{
keyIdx = wd->ap.bcHalKeyIdx[port];
id = zfApFindSta(dev, da);
if (id != 0xffff)
{
switch (wd->ap.staTable[id].encryMode)
{
case ZM_AES:
case ZM_TKIP:
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
#endif //ZM_ENABLE_CENC
keyIdx = wd->ap.staTable[id].keyIdx;
break;
}
}
}
else
{
switch (wd->sta.encryMode)
{
case ZM_WEP64:
case ZM_WEP128:
case ZM_WEP256:
keyIdx = wd->sta.keyId;
break;
case ZM_AES:
case ZM_TKIP:
if ((da[0]& 0x1))
keyIdx = 5;
else
keyIdx = 4;
break;
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
keyIdx = wd->sta.cencKeyId;
break;
#endif //ZM_ENABLE_CENC
}
}
/* Create SNAP */
removeLen = zfTxGenWlanSnap(dev, buf, snap, &snapLen);
//zm_msg1_tx(ZM_LV_0, "fragOff=", fragOff);
fragLen = wd->fragThreshold;
frameLen = zfwBufGetSize(dev, buf);
frameLen -= removeLen;
#if 0
/* Create MIC */
if ( (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)&&
(wd->sta.encryMode == ZM_TKIP) )
{
if ( frameLen > fragLen )
{
micLen = zfTxGenWlanTail(dev, buf, snap, snapLen, mic);
}
else
{
/* append MIC by HMAC */
micLen = 8;
}
}
else
{
micLen = 0;
}
#else
if ( frameLen > fragLen )
{
micLen = zfTxGenWlanTail(dev, buf, snap, snapLen, mic);
}
else
{
/* append MIC by HMAC */
micLen = 0;
}
#endif
/* Access Category */
if (wd->wlanMode == ZM_MODE_AP)
{
zfApGetStaQosType(dev, da, &qosType);
if (qosType == 0)
{
up = 0;
}
}
else if (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)
{
if (wd->sta.wmeConnected == 0)
{
up = 0;
}
}
else
{
/* TODO : STA QoS control field */
up = 0;
}
/* Assign sequence number */
zmw_enter_critical_section(dev);
frag.seq[0] = ((wd->seq[zcUpToAc[up&0x7]]++) << 4);
if (aggControl && (ZM_AGG_FIRST_MPDU == aggControl->ampduIndication) ) {
tid_tx->bar_ssn = frag.seq[0];
zm_msg1_agg(ZM_LV_0, "start seq=", tid_tx->bar_ssn >> 4);
}
//tid_tx->baw_buf[tid_tx->baw_head-1].baw_seq=frag.seq[0];
zmw_leave_critical_section(dev);
frag.buf[0] = buf;
frag.bufType[0] = bufType;
frag.flag[0] = flag;
fragNum = 1;
for (i=0; i<fragNum; i++)
{
/* Create WLAN header(Control Setting + 802.11 header + IV) */
if (up !=0 ) zm_debug_msg1("up not 0, up=",up);
headerLen = zfTxGenWlanHeader(dev, frag.buf[i], header, frag.seq[i],
frag.flag[i], snapLen+micLen, removeLen,
port, da, sa, up, &micLen, snap, snapLen,
aggControl);
/* Get buffer DMA address */
//if ((addrTblSize = zfwBufMapDma(dev, frag.buf[i], &addrTbl)) == 0)
//if ((addrTblSize = zfwMapTxDma(dev, frag.buf[i], &addrTbl)) == 0)
//{
// err = ZM_ERR_BUFFER_DMA_ADDR;
// goto zlError;
//}
/* Flush buffer on cache */
//zfwBufFlush(dev, frag.buf[i]);
#if 0
zm_msg1_tx(ZM_LV_0, "headerLen=", headerLen);
zm_msg1_tx(ZM_LV_0, "snapLen=", snapLen);
zm_msg1_tx(ZM_LV_0, "micLen=", micLen);
zm_msg1_tx(ZM_LV_0, "removeLen=", removeLen);
zm_msg1_tx(ZM_LV_0, "addrTblSize=", addrTblSize);
zm_msg1_tx(ZM_LV_0, "frag.bufType[0]=", frag.bufType[0]);
#endif
fragLen = zfwBufGetSize(dev, frag.buf[i]);
if ((da[0]&0x1) == 0)
{
wd->commTally.txUnicastFrm++;
wd->commTally.txUnicastOctets += (fragLen+snapLen);
}
else if ((da[0]& 0x1))
{
wd->commTally.txBroadcastFrm++;
wd->commTally.txBroadcastOctets += (fragLen+snapLen);
}
else
{
wd->commTally.txMulticastFrm++;
wd->commTally.txMulticastOctets += (fragLen+snapLen);
}
wd->ledStruct.txTraffic++;
#if 0 //Who care this?
if ( (i)&&(i == (fragNum-1)) )
{
wd->trafTally.txDataByteCount -= micLen;
}
#endif
/*if (aggControl->tid_baw && aggControl->aggEnabled) {
struct baw_header_r header_r;
header_r.header = header;
header_r.mic = mic;
header_r.snap = snap;
header_r.headerLen = headerLen;
header_r.micLen = micLen;
header_r.snapLen = snapLen;
header_r.removeLen = removeLen;
header_r.keyIdx = keyIdx;
BAW->insert(dev, buf, tid_tx->bar_ssn >> 4, aggControl->tid_baw, 0, &header_r);
}*/
err = zfHpSend(dev, header, headerLen, snap, snapLen,
mic, micLen, frag.buf[i], removeLen,
frag.bufType[i], zcUpToAc[up&0x7], keyIdx);
if (err != ZM_SUCCESS)
{
goto zlError;
}
continue;
zlError:
if (frag.bufType[i] == ZM_EXTERNAL_ALLOC_BUF)
{
zfwBufFree(dev, frag.buf[i], err);
}
else if (frag.bufType[i] == ZM_INTERNAL_ALLOC_BUF)
{
zfwBufFree(dev, frag.buf[i], 0);
}
else
{
zm_assert(0);
}
} /* for (i=0; i<fragNum; i++) */
return ZM_SUCCESS;
}
/*
* zfAggSendADDBA() refers zfSendMmFrame() in cmm.c
*/
u16_t zfAggSendAddbaRequest(zdev_t* dev, u16_t *dst, u16_t ac, u16_t up)
{
zbuf_t* buf;
//u16_t addrTblSize;
//struct zsAddrTbl addrTbl;
//u16_t err;
u16_t offset = 0;
u16_t hlen = 32;
u16_t header[(24+25+1)/2];
u16_t vap = 0;
u16_t i;
u8_t encrypt = 0;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* TBD : Maximum size of management frame
*/
buf = zfwBufAllocate(dev, 1024);
if (buf == NULL)
{
zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
return ZM_SUCCESS;
}
/*
* Reserve room for wlan header
*/
offset = hlen;
/*
* add addba frame body
*/
offset = zfAggSetAddbaFrameBody(dev, buf, offset, ac, up);
zfwBufSetSize(dev, buf, offset);
/*
* Copy wlan header
*/
zfAggGenAddbaHeader(dev, dst, header, offset-hlen, buf, vap, encrypt);
for (i=0; i<(hlen>>1); i++)
{
zmw_tx_buf_writeh(dev, buf, i*2, header[i]);
}
/* Get buffer DMA address */
//if ((addrTblSize = zfwBufMapDma(dev, buf, &addrTbl)) == 0)
//if ((addrTblSize = zfwMapTxDma(dev, buf, &addrTbl)) == 0)
//{
// goto zlError;
//}
//zm_msg2_mm(ZM_LV_2, "offset=", offset);
//zm_msg2_mm(ZM_LV_2, "hlen=", hlen);
//zm_msg2_mm(ZM_LV_2, "addrTblSize=", addrTblSize);
//zm_msg2_mm(ZM_LV_2, "addrTbl.len[0]=", addrTbl.len[0]);
//zm_msg2_mm(ZM_LV_2, "addrTbl.physAddrl[0]=", addrTbl.physAddrl[0]);
//zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
#if 0
err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
if (err != ZM_SUCCESS)
{
goto zlError;
}
#else
zfPutVmmq(dev, buf);
zfPushVtxq(dev);
#endif
return ZM_SUCCESS;
}
u16_t zfAggSetAddbaFrameBody(zdev_t* dev, zbuf_t* buf, u16_t offset, u16_t ac, u16_t up)
{
u16_t ba_parameter, start_seq;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* ADDBA Request frame body
*/
/*
* Category
*/
zmw_tx_buf_writeb(dev, buf, offset++, 3);
/*
* Action details = 0
*/
zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_ADDBA_REQUEST_FRAME);
/*
* Dialog Token = nonzero
* TBD: define how to get dialog token?
*/
zmw_tx_buf_writeb(dev, buf, offset++, 2);
/*
* Block Ack parameter set
* BA policy = 1 for immediate BA, 0 for delayed BA
* TID(4bits) & buffer size(4bits) (TID=up & buffer size=0x80)
* TBD: how to get buffer size?
* ¢z¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢{
* ¢x B0 ¢x B1 ¢x B2 B5 ¢x B6 B15 ¢x
* ¢u¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢t
* ¢x Reserved ¢x BA policy ¢x TID ¢x Buffer size ¢x
* ¢|¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢}
*/
ba_parameter = 1 << 12; // buffer size = 0x40(64)
ba_parameter |= up << 2; // tid = up
ba_parameter |= 2; // ba policy = 1
zmw_tx_buf_writeh(dev, buf, offset, ba_parameter);
offset+=2;
/*
* BA timeout value
*/
zmw_tx_buf_writeh(dev, buf, offset, 0);
offset+=2;
/*
* BA starting sequence number
* ¢z¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢{
* ¢x B0 B3 ¢x B4 B15 ¢x
* ¢u¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢t
* ¢x Frag num(0) ¢x BA starting seq num ¢x
* ¢|¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢}
*/
start_seq = ((wd->seq[ac]) << 4) & 0xFFF0;
zmw_tx_buf_writeh(dev, buf, offset, start_seq);
offset+=2;
return offset;
}
u16_t zfAggGenAddbaHeader(zdev_t* dev, u16_t* dst,
u16_t* header, u16_t len, zbuf_t* buf, u16_t vap, u8_t encrypt)
{
u8_t hlen = 32; // MAC ctrl + PHY ctrl + 802.11 MM header
//u8_t frameType = ZM_WLAN_FRAME_TYPE_ACTION;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
/*
* Generate control setting
*/
//bodyLen = zfwBufGetSize(dev, buf);
header[0] = 24+len+4; //Length
header[1] = 0x8; //MAC control, backoff + (ack)
#if 0
/* CCK 1M */
header[2] = 0x0f00; //PHY control L
header[3] = 0x0000; //PHY control H
#else
/* OFDM 6M */
header[2] = 0x0f01; //PHY control L
header[3] = 0x000B; //PHY control H
#endif
/*
* Generate WLAN header
* Frame control frame type and subtype
*/
header[4+0] = ZM_WLAN_FRAME_TYPE_ACTION;
/*
* Duration
*/
header[4+1] = 0;
if (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)
{
header[4+8] = wd->sta.bssid[0];
header[4+9] = wd->sta.bssid[1];
header[4+10] = wd->sta.bssid[2];
}
else if (wd->wlanMode == ZM_MODE_PSEUDO)
{
/* Address 3 = 00:00:00:00:00:00 */
header[4+8] = 0;
header[4+9] = 0;
header[4+10] = 0;
}
else if (wd->wlanMode == ZM_MODE_IBSS)
{
header[4+8] = wd->sta.bssid[0];
header[4+9] = wd->sta.bssid[1];
header[4+10] = wd->sta.bssid[2];
}
else if (wd->wlanMode == ZM_MODE_AP)
{
/* Address 3 = BSSID */
header[4+8] = wd->macAddr[0];
header[4+9] = wd->macAddr[1];
header[4+10] = wd->macAddr[2] + (vap<<8);
}
/* Address 1 = DA */
header[4+2] = dst[0];
header[4+3] = dst[1];
header[4+4] = dst[2];
/* Address 2 = SA */
header[4+5] = wd->macAddr[0];
header[4+6] = wd->macAddr[1];
if (wd->wlanMode == ZM_MODE_AP)
{
header[4+7] = wd->macAddr[2] + (vap<<8);
}
else
{
header[4+7] = wd->macAddr[2];
}
/* Sequence Control */
zmw_enter_critical_section(dev);
header[4+11] = ((wd->mmseq++)<<4);
zmw_leave_critical_section(dev);
return hlen;
}
u16_t zfAggProcessAction(zdev_t* dev, zbuf_t* buf)
{
u16_t category;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
category = zmw_rx_buf_readb(dev, buf, 24);
switch (category)
{
case ZM_WLAN_BLOCK_ACK_ACTION_FRAME:
zfAggBlockAckActionFrame(dev, buf);
break;
}
return ZM_SUCCESS;
}
u16_t zfAggBlockAckActionFrame(zdev_t* dev, zbuf_t* buf)
{
u8_t action;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
action = zmw_rx_buf_readb(dev, buf, 25);
#ifdef ZM_ENABLE_AGGREGATION
switch (action)
{
case ZM_WLAN_ADDBA_REQUEST_FRAME:
zm_msg0_agg(ZM_LV_0, "Received BA Action frame is ADDBA request");
zfAggRecvAddbaRequest(dev, buf);
break;
case ZM_WLAN_ADDBA_RESPONSE_FRAME:
zm_msg0_agg(ZM_LV_0, "Received BA Action frame is ADDBA response");
zfAggRecvAddbaResponse(dev, buf);
break;
case ZM_WLAN_DELBA_FRAME:
zfAggRecvDelba(dev, buf);
break;
}
#endif
return ZM_SUCCESS;
}
u16_t zfAggRecvAddbaRequest(zdev_t* dev, zbuf_t* buf)
{
//u16_t dialog;
struct aggBaFrameParameter bf;
u16_t i;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
bf.buf = buf;
bf.dialog = zmw_rx_buf_readb(dev, buf, 26);
/*
* ba parameter set
*/
bf.ba_parameter = zmw_rx_buf_readh(dev, buf, 27);
bf.ba_policy = (bf.ba_parameter >> 1) & 1;
bf.tid = (bf.ba_parameter >> 2) & 0xF;
bf.buffer_size = (bf.ba_parameter >> 6);
/*
* BA timeout value
*/
bf.ba_timeout = zmw_rx_buf_readh(dev, buf, 29);
/*
* BA starting sequence number
*/
bf.ba_start_seq = zmw_rx_buf_readh(dev, buf, 31) >> 4;
i=26;
while(i < 32) {
zm_debug_msg2("Recv ADDBA Req:", zmw_rx_buf_readb(dev,buf,i));
i++;
}
zfAggSendAddbaResponse(dev, &bf);
zfAggAddbaSetTidRx(dev, buf, &bf);
return ZM_SUCCESS;
}
u16_t zfAggAddbaSetTidRx(zdev_t* dev, zbuf_t* buf, struct aggBaFrameParameter *bf)
{
u16_t i, ac, aid, fragOff;
u16_t src[3];
u16_t offset = 0;
u8_t up;
struct agg_tid_rx *tid_rx = NULL;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
src[0] = zmw_rx_buf_readh(dev, buf, offset+10);
src[1] = zmw_rx_buf_readh(dev, buf, offset+12);
src[2] = zmw_rx_buf_readh(dev, buf, offset+14);
aid = zfApFindSta(dev, src);
zfTxGetIpTosAndFrag(dev, buf, &up, &fragOff);
ac = zcUpToAc[up&0x7] & 0x3;
ac = bf->tid;
for (i=0; i<ZM_AGG_POOL_SIZE ; i++)
{
if((wd->tid_rx[i]->aid == aid) && (wd->tid_rx[i]->ac == ac))
{
tid_rx = wd->tid_rx[i];
break;
}
}
if (!tid_rx)
{
for (i=0; i<ZM_AGG_POOL_SIZE; i++)
{
if (wd->tid_rx[i]->aid == ZM_MAX_STA_SUPPORT)
{
tid_rx = wd->tid_rx[i];
break;
}
}
if (!tid_rx)
return 0;
}
zmw_enter_critical_section(dev);
tid_rx->aid = aid;
tid_rx->ac = ac;
tid_rx->addBaExchangeStatusCode = ZM_AGG_ADDBA_RESPONSE;
tid_rx->seq_start = bf->ba_start_seq;
tid_rx->baw_head = tid_rx->baw_tail = 0;
tid_rx->sq_exceed_count = tid_rx->sq_behind_count = 0;
zmw_leave_critical_section(dev);
return 0;
}
u16_t zfAggRecvAddbaResponse(zdev_t* dev, zbuf_t* buf)
{
u16_t i,ac, aid=0;
u16_t src[3];
struct aggBaFrameParameter bf;
zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
src[0] = zmw_rx_buf_readh(dev, buf, 10);
src[1] = zmw_rx_buf_readh(dev, buf, 12);
src[2] = zmw_rx_buf_readh(dev, buf, 14);
if (wd->wlanMode == ZM_MODE_AP)
aid = zfApFindSta(dev, src);
bf.buf = buf;
bf.dialog = zmw_rx_buf_readb(dev, buf, 26);
bf.status_code = zmw_rx_buf_readh(dev, buf, 27);
if (!bf.status_code)
{
wd->addbaComplete=1;
}
/*
* ba parameter set
*/
bf.ba_parameter = zmw_rx_buf_readh(dev, buf, 29);
bf.ba_policy = (bf.ba_parameter >> 1) & 1;
bf.tid = (bf.ba_parameter >> 2) & 0xF;
bf.buffer_size = (bf.ba_parameter >> 6);
/*
* BA timeout value
*/
bf.ba_timeout = zmw_rx_buf_readh(dev, buf, 31);
i=26;
while(i < 32) {
zm_debug_msg2("Recv ADDBA Rsp:", zmw_rx_buf_readb(dev,buf,i));
i++;
}
ac = zcUpToAc[bf.tid&0x7] & 0x3;
//zmw_enter_critical_section(dev);
//wd->aggSta[aid].aggFlag[ac] = 0;
//zmw_leave_critical_section(dev);
return ZM_SUCCESS;
}
u16_t zfAggRecvDelba(zdev_t* dev, zbuf_t* buf)
{
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
return ZM_SUCCESS;
}
u16_t zfAggSendAddbaResponse(zdev_t* dev, struct aggBaFrameParameter *bf)
{
zbuf_t* buf;
//u16_t addrTblSize;
//struct zsAddrTbl addrTbl;
//u16_t err;
u16_t offset = 0;
u16_t hlen = 32;
u16_t header[(24+25+1)/2];
u16_t vap = 0;
u16_t i;
u8_t encrypt = 0;
u16_t dst[3];
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* TBD : Maximum size of management frame
*/
buf = zfwBufAllocate(dev, 1024);
if (buf == NULL)
{
zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
return ZM_SUCCESS;
}
/*
* Reserve room for wlan header
*/
offset = hlen;
/*
* add addba frame body
*/
offset = zfAggSetAddbaResponseFrameBody(dev, buf, bf, offset);
zfwBufSetSize(dev, buf, offset);
/*
* Copy wlan header
*/
dst[0] = zmw_rx_buf_readh(dev, bf->buf, 10);
dst[1] = zmw_rx_buf_readh(dev, bf->buf, 12);
dst[2] = zmw_rx_buf_readh(dev, bf->buf, 14);
zfAggGenAddbaHeader(dev, dst, header, offset-hlen, buf, vap, encrypt);
for (i=0; i<(hlen>>1); i++)
{
zmw_tx_buf_writeh(dev, buf, i*2, header[i]);
}
/* Get buffer DMA address */
//if ((addrTblSize = zfwBufMapDma(dev, buf, &addrTbl)) == 0)
//if ((addrTblSize = zfwMapTxDma(dev, buf, &addrTbl)) == 0)
//{
// goto zlError;
//}
//zm_msg2_mm(ZM_LV_2, "offset=", offset);
//zm_msg2_mm(ZM_LV_2, "hlen=", hlen);
//zm_msg2_mm(ZM_LV_2, "addrTblSize=", addrTblSize);
//zm_msg2_mm(ZM_LV_2, "addrTbl.len[0]=", addrTbl.len[0]);
//zm_msg2_mm(ZM_LV_2, "addrTbl.physAddrl[0]=", addrTbl.physAddrl[0]);
//zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
#if 0
err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
if (err != ZM_SUCCESS)
{
goto zlError;
}
#else
zfPutVmmq(dev, buf);
zfPushVtxq(dev);
#endif
//zfAggSendAddbaRequest(dev, dst, zcUpToAc[bf->tid&0x7] & 0x3, bf->tid);
return ZM_SUCCESS;
}
u16_t zfAggSetAddbaResponseFrameBody(zdev_t* dev, zbuf_t* buf,
struct aggBaFrameParameter *bf, u16_t offset)
{
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* ADDBA Request frame body
*/
/*
* Category
*/
zmw_tx_buf_writeb(dev, buf, offset++, 3);
/*
* Action details = 0
*/
zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_ADDBA_RESPONSE_FRAME);
/*
* Dialog Token = nonzero
*/
zmw_tx_buf_writeb(dev, buf, offset++, bf->dialog);
/*
* Status code
*/
zmw_tx_buf_writeh(dev, buf, offset, 0);
offset+=2;
/*
* Block Ack parameter set
* BA policy = 1 for immediate BA, 0 for delayed BA
* TID(4bits) & buffer size(4bits) (TID=0x1 & buffer size=0x80)
* TBD: how to get TID number and buffer size?
* ¢z¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢{
* ¢x B0 ¢x B1 ¢x B2 B5 ¢x B6 B15 ¢x
* ¢u¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢t
* ¢x Reserved ¢x BA policy ¢x TID ¢x Buffer size ¢x
* ¢|¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢}
*/
zmw_tx_buf_writeh(dev, buf, offset, bf->ba_parameter);
offset+=2;
/*
* BA timeout value
*/
zmw_tx_buf_writeh(dev, buf, offset, bf->ba_timeout);
offset+=2;
return offset;
}
void zfAggInvokeBar(zdev_t* dev, TID_TX tid_tx)
{
struct aggBarControl aggBarControl;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
//bar_control = aggBarControl->tid_info << 12 | aggBarControl->compressed_bitmap << 2
// | aggBarControl->multi_tid << 1 | aggBarControl->bar_ack_policy;
aggBarControl.bar_ack_policy = 0;
aggBarControl.multi_tid = 0;
aggBarControl.compressed_bitmap = 0;
aggBarControl.tid_info = tid_tx->tid;
zfAggSendBar(dev, tid_tx, &aggBarControl);
return;
}
/*
* zfAggSendBar() refers zfAggSendAddbaRequest()
*/
u16_t zfAggSendBar(zdev_t* dev, TID_TX tid_tx, struct aggBarControl *aggBarControl)
{
zbuf_t* buf;
//u16_t addrTblSize;
//struct zsAddrTbl addrTbl;
//u16_t err;
u16_t offset = 0;
u16_t hlen = 16+8; /* mac header + control headers*/
u16_t header[(8+24+1)/2];
u16_t vap = 0;
u16_t i;
u8_t encrypt = 0;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* TBD : Maximum size of management frame
*/
buf = zfwBufAllocate(dev, 1024);
if (buf == NULL)
{
zm_msg0_mm(ZM_LV_0, "Alloc mm buf Fail!");
return ZM_SUCCESS;
}
/*
* Reserve room for wlan header
*/
offset = hlen;
/*
* add addba frame body
*/
offset = zfAggSetBarBody(dev, buf, offset, tid_tx, aggBarControl);
zfwBufSetSize(dev, buf, offset);
/*
* Copy wlan header
*/
zfAggGenBarHeader(dev, tid_tx->dst, header, offset-hlen, buf, vap, encrypt);
for (i=0; i<(hlen>>1); i++)
{
zmw_tx_buf_writeh(dev, buf, i*2, header[i]);
}
/* Get buffer DMA address */
//if ((addrTblSize = zfwBufMapDma(dev, buf, &addrTbl)) == 0)
//if ((addrTblSize = zfwMapTxDma(dev, buf, &addrTbl)) == 0)
//{
// goto zlError;
//}
//zm_msg2_mm(ZM_LV_2, "offset=", offset);
//zm_msg2_mm(ZM_LV_2, "hlen=", hlen);
//zm_msg2_mm(ZM_LV_2, "addrTblSize=", addrTblSize);
//zm_msg2_mm(ZM_LV_2, "addrTbl.len[0]=", addrTbl.len[0]);
//zm_msg2_mm(ZM_LV_2, "addrTbl.physAddrl[0]=", addrTbl.physAddrl[0]);
//zm_msg2_mm(ZM_LV_2, "buf->data=", buf->data);
#if 0
err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
ZM_INTERNAL_ALLOC_BUF, 0, 0xff);
if (err != ZM_SUCCESS)
{
goto zlError;
}
#else
zfPutVmmq(dev, buf);
zfPushVtxq(dev);
#endif
return ZM_SUCCESS;
}
u16_t zfAggSetBarBody(zdev_t* dev, zbuf_t* buf, u16_t offset, TID_TX tid_tx, struct aggBarControl *aggBarControl)
{
u16_t bar_control, start_seq;
//zmw_get_wlan_dev(dev);
//zmw_declare_for_critical_section();
/*
* BAR Control frame body
*/
/*
* BAR Control Field
* ¢z¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢{
* ¢x B0 ¢x B1 ¢x B2 ¢x B3 B11 ¢x B12 B15 ¢x
* ¢u¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢t
* ¢x BAR Ack ¢x Multi-TID ¢x Compressed ¢x Reserved ¢x TID_INFO ¢x
* ¢x Policy ¢x ¢x Bitmap ¢x ¢x ¢x
* ¢|¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢}
*/
bar_control = aggBarControl->tid_info << 12 | aggBarControl->compressed_bitmap << 2
| aggBarControl->multi_tid << 1 | aggBarControl->bar_ack_policy;
zmw_tx_buf_writeh(dev, buf, offset, bar_control);
offset+=2;
if (0 == aggBarControl->multi_tid) {
/*
* BA starting sequence number
* ¢z¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢s¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢{
* ¢x B0 B3 ¢x B4 B15 ¢x
* ¢u¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢q¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢t
* ¢x Frag num(0) ¢x BA starting seq num ¢x
* ¢|¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢r¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢w¢}
*/
start_seq = (tid_tx->bar_ssn << 4) & 0xFFF0;
zmw_tx_buf_writeh(dev, buf, offset, start_seq);
offset+=2;
}
if (1 == aggBarControl->multi_tid && 1 == aggBarControl->compressed_bitmap) {
/* multi-tid BlockAckReq variant, not implemented*/
}
return offset;
}
u16_t zfAggGenBarHeader(zdev_t* dev, u16_t* dst,
u16_t* header, u16_t len, zbuf_t* buf, u16_t vap, u8_t encrypt)
{
u8_t hlen = 16+8; // MAC ctrl + PHY ctrl + 802.11 MM header
//u8_t frameType = ZM_WLAN_FRAME_TYPE_ACTION;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
/*
* Generate control setting
*/
//bodyLen = zfwBufGetSize(dev, buf);
header[0] = 16+len+4; //Length
header[1] = 0x8; //MAC control, backoff + (ack)
#if 1
/* CCK 1M */
header[2] = 0x0f00; //PHY control L
header[3] = 0x0000; //PHY control H
#else
/* CCK 6M */
header[2] = 0x0f01; //PHY control L
header[3] = 0x000B; //PHY control H
#endif
/*
* Generate WLAN header
* Frame control frame type and subtype
*/
header[4+0] = ZM_WLAN_FRAME_TYPE_BAR;
/*
* Duration
*/
header[4+1] = 0;
/* Address 1 = DA */
header[4+2] = dst[0];
header[4+3] = dst[1];
header[4+4] = dst[2];
/* Address 2 = SA */
header[4+5] = wd->macAddr[0];
header[4+6] = wd->macAddr[1];
if (wd->wlanMode == ZM_MODE_AP)
{
#ifdef ZM_VAPMODE_MULTILE_SSID
header[4+7] = wd->macAddr[2]; //Multiple SSID
#else
header[4+7] = wd->macAddr[2] + (vap<<8); //VAP
#endif
}
else
{
header[4+7] = wd->macAddr[2];
}
/* Sequence Control */
zmw_enter_critical_section(dev);
header[4+11] = ((wd->mmseq++)<<4);
zmw_leave_critical_section(dev);
return hlen;
}