Release 4.11 drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
/********************************************************************************************************************************
* This file is created to process BA Action Frame. According to 802.11 spec, there are 3 BA action types at all. And as BA is
* related to TS, this part need some structure defined in QOS side code. Also TX RX is going to be resturctured, so how to send
* ADDBAREQ ADDBARSP and DELBA packet is still on consideration. Temporarily use MANAGE QUEUE instead of Normal Queue.
* WB 2008-05-27
* *****************************************************************************************************************************/
#include <asm/byteorder.h>
#include <asm/unaligned.h>
#include "ieee80211.h"
#include "rtl819x_BA.h"
/********************************************************************************************************************
*function: Activate BA entry. And if Time is nozero, start timer.
* input: PBA_RECORD pBA //BA entry to be enabled
* u16 Time //indicate time delay.
* output: none
********************************************************************************************************************/
static void ActivateBAEntry(struct ieee80211_device *ieee, PBA_RECORD pBA, u16 Time)
{
pBA->bValid = true;
if(Time != 0)
mod_timer(&pBA->Timer, jiffies + msecs_to_jiffies(Time));
}
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| Jerry Chuang | 42 | 95.45% | 1 | 33.33% |
| Amitoj Kaur Chawla | 1 | 2.27% | 1 | 33.33% |
| Ana Rey Botello | 1 | 2.27% | 1 | 33.33% |
| Total | 44 | 100.00% | 3 | 100.00% |
/********************************************************************************************************************
*function: deactivate BA entry, including its timer.
* input: PBA_RECORD pBA //BA entry to be disabled
* output: none
********************************************************************************************************************/
static void DeActivateBAEntry(struct ieee80211_device *ieee, PBA_RECORD pBA)
{
pBA->bValid = false;
del_timer_sync(&pBA->Timer);
}
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/********************************************************************************************************************
*function: deactivete BA entry in Tx Ts, and send DELBA.
* input:
* PTX_TS_RECORD pTxTs //Tx Ts which is to deactivate BA entry.
* output: none
* notice: As PTX_TS_RECORD structure will be defined in QOS, so wait to be merged. //FIXME
********************************************************************************************************************/
static u8 TxTsDeleteBA(struct ieee80211_device *ieee, PTX_TS_RECORD pTxTs)
{
PBA_RECORD pAdmittedBa = &pTxTs->TxAdmittedBARecord; //These two BA entries must exist in TS structure
PBA_RECORD pPendingBa = &pTxTs->TxPendingBARecord;
u8 bSendDELBA = false;
// Delete pending BA
if (pPendingBa->bValid) {
DeActivateBAEntry(ieee, pPendingBa);
bSendDELBA = true;
}
// Delete admitted BA
if (pAdmittedBa->bValid) {
DeActivateBAEntry(ieee, pAdmittedBa);
bSendDELBA = true;
}
return bSendDELBA;
}
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/********************************************************************************************************************
*function: deactivete BA entry in Tx Ts, and send DELBA.
* input:
* PRX_TS_RECORD pRxTs //Rx Ts which is to deactivate BA entry.
* output: none
* notice: As PRX_TS_RECORD structure will be defined in QOS, so wait to be merged. //FIXME, same with above
********************************************************************************************************************/
static u8 RxTsDeleteBA(struct ieee80211_device *ieee, PRX_TS_RECORD pRxTs)
{
PBA_RECORD pBa = &pRxTs->RxAdmittedBARecord;
u8 bSendDELBA = false;
if (pBa->bValid) {
DeActivateBAEntry(ieee, pBa);
bSendDELBA = true;
}
return bSendDELBA;
}
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/********************************************************************************************************************
*function: reset BA entry
* input:
* PBA_RECORD pBA //entry to be reset
* output: none
********************************************************************************************************************/
void ResetBaEntry(PBA_RECORD pBA)
{
pBA->bValid = false;
pBA->BaParamSet.shortData = 0;
pBA->BaTimeoutValue = 0;
pBA->DialogToken = 0;
pBA->BaStartSeqCtrl.ShortData = 0;
}
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| Total | 42 | 100.00% | 1 | 100.00% |
//These functions need porting here or not?
/*******************************************************************************************************************************
*function: construct ADDBAREQ and ADDBARSP frame here together.
* input: u8* Dst //ADDBA frame's destination
* PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA.
* u16 StatusCode //status code in RSP and I will use it to indicate whether it's RSP or REQ(will I?)
* u8 type //indicate whether it's RSP(ACT_ADDBARSP) ow REQ(ACT_ADDBAREQ)
* output: none
* return: sk_buff* skb //return constructed skb to xmit
*******************************************************************************************************************************/
static struct sk_buff *ieee80211_ADDBA(struct ieee80211_device *ieee, u8 *Dst, PBA_RECORD pBA, u16 StatusCode, u8 type)
{
struct sk_buff *skb = NULL;
struct rtl_80211_hdr_3addr *BAReq = NULL;
u8 *tag = NULL;
u16 len = ieee->tx_headroom + 9;
//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) + BA Timeout Value(2) + BA Start SeqCtrl(2)(or StatusCode(2))
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __func__, type, Dst, ieee->dev);
if (pBA == NULL) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA is NULL\n");
return NULL;
}
skb = dev_alloc_skb(len + sizeof( struct rtl_80211_hdr_3addr)); //need to add something others? FIXME
if (skb == NULL) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc skb for ADDBA_REQ\n");
return NULL;
}
memset(skb->data, 0, sizeof( struct rtl_80211_hdr_3addr)); //I wonder whether it's necessary. Apparently kernel will not do it when alloc a skb.
skb_reserve(skb, ieee->tx_headroom);
BAReq = ( struct rtl_80211_hdr_3addr *) skb_put(skb,sizeof( struct rtl_80211_hdr_3addr));
memcpy(BAReq->addr1, Dst, ETH_ALEN);
memcpy(BAReq->addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(BAReq->addr3, ieee->current_network.bssid, ETH_ALEN);
BAReq->frame_ctl = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame
//tag += sizeof( struct rtl_80211_hdr_3addr); //move to action field
tag = (u8 *)skb_put(skb, 9);
*tag ++= ACT_CAT_BA;
*tag ++= type;
// Dialog Token
*tag ++= pBA->DialogToken;
if (ACT_ADDBARSP == type) {
// Status Code
printk(KERN_INFO "=====>to send ADDBARSP\n");
put_unaligned_le16(StatusCode, tag);
tag += 2;
}
// BA Parameter Set
put_unaligned_le16(pBA->BaParamSet.shortData, tag);
tag += 2;
// BA Timeout Value
put_unaligned_le16(pBA->BaTimeoutValue, tag);
tag += 2;
if (ACT_ADDBAREQ == type) {
// BA Start SeqCtrl
memcpy(tag, (u8 *)&(pBA->BaStartSeqCtrl), 2);
tag += 2;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
return skb;
//return NULL;
}
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| Joe Perches | 2 | 0.56% | 2 | 28.57% |
| simran singhal | 1 | 0.28% | 1 | 14.29% |
| Total | 360 | 100.00% | 7 | 100.00% |
/********************************************************************************************************************
*function: construct DELBA frame
* input: u8* dst //DELBA frame's destination
* PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA
* TR_SELECT TxRxSelect //TX RX direction
* u16 ReasonCode //status code.
* output: none
* return: sk_buff* skb //return constructed skb to xmit
********************************************************************************************************************/
static struct sk_buff *ieee80211_DELBA(
struct ieee80211_device *ieee,
u8 *dst,
PBA_RECORD pBA,
TR_SELECT TxRxSelect,
u16 ReasonCode
)
{
DELBA_PARAM_SET DelbaParamSet;
struct sk_buff *skb = NULL;
struct rtl_80211_hdr_3addr *Delba = NULL;
u8 *tag = NULL;
//len = head len + DELBA Parameter Set(2) + Reason Code(2)
u16 len = 6 + ieee->tx_headroom;
if (net_ratelimit())
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:%pM\n", __func__, ReasonCode, dst);
memset(&DelbaParamSet, 0, 2);
DelbaParamSet.field.Initiator = (TxRxSelect==TX_DIR)?1:0;
DelbaParamSet.field.TID = pBA->BaParamSet.field.TID;
skb = dev_alloc_skb(len + sizeof( struct rtl_80211_hdr_3addr)); //need to add something others? FIXME
if (skb == NULL) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc skb for ADDBA_REQ\n");
return NULL;
}
// memset(skb->data, 0, len+sizeof( struct rtl_80211_hdr_3addr));
skb_reserve(skb, ieee->tx_headroom);
Delba = ( struct rtl_80211_hdr_3addr *) skb_put(skb,sizeof( struct rtl_80211_hdr_3addr));
memcpy(Delba->addr1, dst, ETH_ALEN);
memcpy(Delba->addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(Delba->addr3, ieee->current_network.bssid, ETH_ALEN);
Delba->frame_ctl = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame
tag = (u8 *)skb_put(skb, 6);
*tag ++= ACT_CAT_BA;
*tag ++= ACT_DELBA;
// DELBA Parameter Set
put_unaligned_le16(DelbaParamSet.shortData, tag);
tag += 2;
// Reason Code
put_unaligned_le16(ReasonCode, tag);
tag += 2;
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
if (net_ratelimit())
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "<=====%s()\n", __func__);
return skb;
}
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| Joe Perches | 3 | 0.95% | 2 | 40.00% |
| Total | 315 | 100.00% | 5 | 100.00% |
/********************************************************************************************************************
*function: send ADDBAReq frame out
* input: u8* dst //ADDBAReq frame's destination
* PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_ADDBAReq(struct ieee80211_device *ieee,
u8 *dst, PBA_RECORD pBA)
{
struct sk_buff *skb;
skb = ieee80211_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ); //construct ACT_ADDBAREQ frames so set statuscode zero.
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//add statistic needed here.
//and skb will be freed in softmac_mgmt_xmit(), so omit all dev_kfree_skb_any() outside softmac_mgmt_xmit()
//WB
}
else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 65 | 97.01% | 1 | 33.33% |
| Joe Perches | 1 | 1.49% | 1 | 33.33% |
| Teodora Baluta | 1 | 1.49% | 1 | 33.33% |
| Total | 67 | 100.00% | 3 | 100.00% |
/********************************************************************************************************************
*function: send ADDBARSP frame out
* input: u8* dst //DELBA frame's destination
* PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA
* u16 StatusCode //RSP StatusCode
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_ADDBARsp(struct ieee80211_device *ieee, u8 *dst,
PBA_RECORD pBA, u16 StatusCode)
{
struct sk_buff *skb;
skb = ieee80211_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP); //construct ACT_ADDBARSP frames
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//same above
}
else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
return;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 67 | 97.10% | 1 | 33.33% |
| Joe Perches | 1 | 1.45% | 1 | 33.33% |
| Teodora Baluta | 1 | 1.45% | 1 | 33.33% |
| Total | 69 | 100.00% | 3 | 100.00% |
/********************************************************************************************************************
*function: send ADDBARSP frame out
* input: u8* dst //DELBA frame's destination
* PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA
* TR_SELECT TxRxSelect //TX or RX
* u16 ReasonCode //DEL ReasonCode
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_DELBA(struct ieee80211_device *ieee, u8 *dst,
PBA_RECORD pBA, TR_SELECT TxRxSelect,
u16 ReasonCode)
{
struct sk_buff *skb;
skb = ieee80211_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode); //construct ACT_ADDBARSP frames
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//same above
}
else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
}
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| Jerry Chuang | 69 | 97.18% | 1 | 33.33% |
| Joe Perches | 1 | 1.41% | 1 | 33.33% |
| Ana Rey Botello | 1 | 1.41% | 1 | 33.33% |
| Total | 71 | 100.00% | 3 | 100.00% |
/********************************************************************************************************************
*function: RX ADDBAReq
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *req = NULL;
u16 rc = 0;
u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
PBA_RECORD pBA = NULL;
PBA_PARAM_SET pBaParamSet = NULL;
u16 *pBaTimeoutVal = NULL;
PSEQUENCE_CONTROL pBaStartSeqCtrl = NULL;
PRX_TS_RECORD pTS = NULL;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 9) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in BAREQ(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 9));
return -1;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
req = (struct rtl_80211_hdr_3addr *) skb->data;
tag = (u8 *)req;
dst = &req->addr2[0];
tag += sizeof(struct rtl_80211_hdr_3addr);
pDialogToken = tag + 2; //category+action
pBaParamSet = (PBA_PARAM_SET)(tag + 3); //+DialogToken
pBaTimeoutVal = (u16 *)(tag + 5);
pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7);
printk(KERN_INFO "====================>rx ADDBAREQ from :%pM\n", dst);
//some other capability is not ready now.
if ((ieee->current_network.qos_data.active == 0) ||
(!ieee->pHTInfo->bCurrentHTSupport)) //||
// (!ieee->pStaQos->bEnableRxImmBA) )
{
rc = ADDBA_STATUS_REFUSED;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n", ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport);
goto OnADDBAReq_Fail;
}
// Search for related traffic stream.
// If there is no matched TS, reject the ADDBA request.
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)(&pTS),
dst,
(u8)(pBaParamSet->field.TID),
RX_DIR,
true) ) {
rc = ADDBA_STATUS_REFUSED;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __func__);
goto OnADDBAReq_Fail;
}
pBA = &pTS->RxAdmittedBARecord;
// To Determine the ADDBA Req content
// We can do much more check here, including BufferSize, AMSDU_Support, Policy, StartSeqCtrl...
// I want to check StartSeqCtrl to make sure when we start aggregation!!!
//
if (pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) {
rc = ADDBA_STATUS_INVALID_PARAM;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "BA Policy is not correct in %s()\n", __func__);
goto OnADDBAReq_Fail;
}
// Admit the ADDBA Request
//
DeActivateBAEntry(ieee, pBA);
pBA->DialogToken = *pDialogToken;
pBA->BaParamSet = *pBaParamSet;
pBA->BaTimeoutValue = *pBaTimeoutVal;
pBA->BaStartSeqCtrl = *pBaStartSeqCtrl;
//for half N mode we only aggregate 1 frame
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
pBA->BaParamSet.field.BufferSize = 1;
else
pBA->BaParamSet.field.BufferSize = 32;
ActivateBAEntry(ieee, pBA, pBA->BaTimeoutValue);
ieee80211_send_ADDBARsp(ieee, dst, pBA, ADDBA_STATUS_SUCCESS);
// End of procedure.
return 0;
OnADDBAReq_Fail:
{
BA_RECORD BA;
BA.BaParamSet = *pBaParamSet;
BA.BaTimeoutValue = *pBaTimeoutVal;
BA.DialogToken = *pDialogToken;
BA.BaParamSet.field.BAPolicy = BA_POLICY_IMMEDIATE;
ieee80211_send_ADDBARsp(ieee, dst, &BA, rc);
return 0; //we send RSP out.
}
}
Contributors
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| Jerry Chuang | 499 | 97.65% | 1 | 14.29% |
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| Joe Perches | 3 | 0.59% | 2 | 28.57% |
| Luis de Bethencourt | 2 | 0.39% | 1 | 14.29% |
| Randy Dunlap | 1 | 0.20% | 1 | 14.29% |
| simran singhal | 1 | 0.20% | 1 | 14.29% |
| Total | 511 | 100.00% | 7 | 100.00% |
/********************************************************************************************************************
*function: RX ADDBARSP
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_ADDBARsp(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *rsp = NULL;
PBA_RECORD pPendingBA, pAdmittedBA;
PTX_TS_RECORD pTS = NULL;
u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
u16 *pStatusCode = NULL, *pBaTimeoutVal = NULL;
PBA_PARAM_SET pBaParamSet = NULL;
u16 ReasonCode;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 9) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in BARSP(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 9));
return -1;
}
rsp = (struct rtl_80211_hdr_3addr *)skb->data;
tag = (u8 *)rsp;
dst = &rsp->addr2[0];
tag += sizeof(struct rtl_80211_hdr_3addr);
pDialogToken = tag + 2;
pStatusCode = (u16 *)(tag + 3);
pBaParamSet = (PBA_PARAM_SET)(tag + 5);
pBaTimeoutVal = (u16 *)(tag + 7);
// Check the capability
// Since we can always receive A-MPDU, we just check if it is under HT mode.
if (ieee->current_network.qos_data.active == 0 ||
!ieee->pHTInfo->bCurrentHTSupport ||
!ieee->pHTInfo->bCurrentAMPDUEnable) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "reject to ADDBA_RSP as some capability is not ready(%d, %d, %d)\n",ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bCurrentAMPDUEnable);
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
}
//
// Search for related TS.
// If there is no TS found, we wil reject ADDBA Rsp by sending DELBA frame.
//
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)(&pTS),
dst,
(u8)(pBaParamSet->field.TID),
TX_DIR,
false) ) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __func__);
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
}
pTS->bAddBaReqInProgress = false;
pPendingBA = &pTS->TxPendingBARecord;
pAdmittedBA = &pTS->TxAdmittedBARecord;
//
// Check if related BA is waiting for setup.
// If not, reject by sending DELBA frame.
//
if (pAdmittedBA->bValid) {
// Since BA is already setup, we ignore all other ADDBA Response.
IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. Drop because already admit it! \n");
return -1;
}
else if((!pPendingBA->bValid) ||(*pDialogToken != pPendingBA->DialogToken)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "OnADDBARsp(): Recv ADDBA Rsp. BA invalid, DELBA! \n");
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
}
else {
IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n", *pStatusCode);
DeActivateBAEntry(ieee, pPendingBA);
}
if(*pStatusCode == ADDBA_STATUS_SUCCESS) {
//
// Determine ADDBA Rsp content here.
// We can compare the value of BA parameter set that Peer returned and Self sent.
// If it is OK, then admitted. Or we can send DELBA to cancel BA mechanism.
//
if (pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) {
// Since this is a kind of ADDBA failed, we delay next ADDBA process.
pTS->bAddBaReqDelayed = true;
DeActivateBAEntry(ieee, pAdmittedBA);
ReasonCode = DELBA_REASON_END_BA;
goto OnADDBARsp_Reject;
}
//
// Admitted condition
//
pAdmittedBA->DialogToken = *pDialogToken;
pAdmittedBA->BaTimeoutValue = *pBaTimeoutVal;
pAdmittedBA->BaStartSeqCtrl = pPendingBA->BaStartSeqCtrl;
pAdmittedBA->BaParamSet = *pBaParamSet;
DeActivateBAEntry(ieee, pAdmittedBA);
ActivateBAEntry(ieee, pAdmittedBA, *pBaTimeoutVal);
}
else {
// Delay next ADDBA process.
pTS->bAddBaReqDelayed = true;
}
// End of procedure
return 0;
OnADDBARsp_Reject:
{
BA_RECORD BA;
BA.BaParamSet = *pBaParamSet;
ieee80211_send_DELBA(ieee, dst, &BA, TX_DIR, ReasonCode);
return 0;
}
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 536 | 98.17% | 1 | 20.00% |
| Paul Gortmaker | 5 | 0.92% | 1 | 20.00% |
| Luis de Bethencourt | 3 | 0.55% | 1 | 20.00% |
| Joe Perches | 1 | 0.18% | 1 | 20.00% |
| Randy Dunlap | 1 | 0.18% | 1 | 20.00% |
| Total | 546 | 100.00% | 5 | 100.00% |
/********************************************************************************************************************
*function: RX DELBA
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *delba = NULL;
PDELBA_PARAM_SET pDelBaParamSet = NULL;
u8 *dst = NULL;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 6) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in DELBA(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 6));
return -1;
}
if (ieee->current_network.qos_data.active == 0 ||
!ieee->pHTInfo->bCurrentHTSupport) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "received DELBA while QOS or HT is not supported(%d, %d)\n",ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport);
return -1;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
delba = (struct rtl_80211_hdr_3addr *)skb->data;
dst = &delba->addr2[0];
pDelBaParamSet = (PDELBA_PARAM_SET)&delba->payload[2];
if(pDelBaParamSet->field.Initiator == 1) {
PRX_TS_RECORD pRxTs;
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)&pRxTs,
dst,
(u8)pDelBaParamSet->field.TID,
RX_DIR,
false) ) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for RXTS in %s()\n", __func__);
return -1;
}
RxTsDeleteBA(ieee, pRxTs);
}
else {
PTX_TS_RECORD pTxTs;
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)&pTxTs,
dst,
(u8)pDelBaParamSet->field.TID,
TX_DIR,
false) ) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for TXTS in %s()\n", __func__);
return -1;
}
pTxTs->bUsingBa = false;
pTxTs->bAddBaReqInProgress = false;
pTxTs->bAddBaReqDelayed = false;
del_timer_sync(&pTxTs->TsAddBaTimer);
//PlatformCancelTimer(Adapter, &pTxTs->TsAddBaTimer);
TxTsDeleteBA(ieee, pTxTs);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 309 | 95.37% | 1 | 16.67% |
| Dan Carpenter | 7 | 2.16% | 1 | 16.67% |
| Paul Gortmaker | 4 | 1.23% | 1 | 16.67% |
| Joe Perches | 2 | 0.62% | 1 | 16.67% |
| Luis de Bethencourt | 1 | 0.31% | 1 | 16.67% |
| Randy Dunlap | 1 | 0.31% | 1 | 16.67% |
| Total | 324 | 100.00% | 6 | 100.00% |
//
// ADDBA initiate. This can only be called by TX side.
//
void
TsInitAddBA(
struct ieee80211_device *ieee,
PTX_TS_RECORD pTS,
u8 Policy,
u8 bOverwritePending
)
{
PBA_RECORD pBA = &pTS->TxPendingBARecord;
if (pBA->bValid && !bOverwritePending)
return;
// Set parameters to "Pending" variable set
DeActivateBAEntry(ieee, pBA);
pBA->DialogToken++; // DialogToken: Only keep the latest dialog token
pBA->BaParamSet.field.AMSDU_Support = 0; // Do not support A-MSDU with A-MPDU now!!
pBA->BaParamSet.field.BAPolicy = Policy; // Policy: Delayed or Immediate
pBA->BaParamSet.field.TID = pTS->TsCommonInfo.TSpec.f.TSInfo.field.ucTSID; // TID
// BufferSize: This need to be set according to A-MPDU vector
pBA->BaParamSet.field.BufferSize = 32; // BufferSize: This need to be set according to A-MPDU vector
pBA->BaTimeoutValue = 0; // Timeout value: Set 0 to disable Timer
pBA->BaStartSeqCtrl.field.SeqNum = (pTS->TxCurSeq + 3) % 4096; // Block Ack will start after 3 packets later.
ActivateBAEntry(ieee, pBA, BA_SETUP_TIMEOUT);
ieee80211_send_ADDBAReq(ieee, pTS->TsCommonInfo.Addr, pBA);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 155 | 99.36% | 1 | 50.00% |
| simran singhal | 1 | 0.64% | 1 | 50.00% |
| Total | 156 | 100.00% | 2 | 100.00% |
void
TsInitDelBA( struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect)
{
if(TxRxSelect == TX_DIR) {
PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)pTsCommonInfo;
if(TxTsDeleteBA(ieee, pTxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->Addr,
(pTxTs->TxAdmittedBARecord.bValid)?(&pTxTs->TxAdmittedBARecord):(&pTxTs->TxPendingBARecord),
TxRxSelect,
DELBA_REASON_END_BA);
}
else if(TxRxSelect == RX_DIR) {
PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)pTsCommonInfo;
if(RxTsDeleteBA(ieee, pRxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->Addr,
&pRxTs->RxAdmittedBARecord,
TxRxSelect,
DELBA_REASON_END_BA );
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 120 | 100.00% | 1 | 100.00% |
| Total | 120 | 100.00% | 1 | 100.00% |
/********************************************************************************************************************
*function: BA setup timer
* input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
* return: NULL
* notice:
********************************************************************************************************************/
void BaSetupTimeOut(unsigned long data)
{
PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
pTxTs->bAddBaReqInProgress = false;
pTxTs->bAddBaReqDelayed = true;
pTxTs->TxPendingBARecord.bValid = false;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 37 | 100.00% | 1 | 100.00% |
| Total | 37 | 100.00% | 1 | 100.00% |
void TxBaInactTimeout(unsigned long data)
{
PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[pTxTs->num]);
TxTsDeleteBA(ieee, pTxTs);
ieee80211_send_DELBA(
ieee,
pTxTs->TsCommonInfo.Addr,
&pTxTs->TxAdmittedBARecord,
TX_DIR,
DELBA_REASON_TIMEOUT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 64 | 100.00% | 1 | 100.00% |
| Total | 64 | 100.00% | 1 | 100.00% |
void RxBaInactTimeout(unsigned long data)
{
PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
RxTsDeleteBA(ieee, pRxTs);
ieee80211_send_DELBA(
ieee,
pRxTs->TsCommonInfo.Addr,
&pRxTs->RxAdmittedBARecord,
RX_DIR,
DELBA_REASON_TIMEOUT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 64 | 100.00% | 1 | 100.00% |
| Total | 64 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jerry Chuang | 2879 | 96.71% | 1 | 6.25% |
| Paul Gortmaker | 25 | 0.84% | 1 | 6.25% |
| Vaishali Thakkar | 17 | 0.57% | 2 | 12.50% |
| Derek Robson | 14 | 0.47% | 1 | 6.25% |
| Joe Perches | 14 | 0.47% | 2 | 12.50% |
| Dan Carpenter | 7 | 0.24% | 1 | 6.25% |
| Luis de Bethencourt | 6 | 0.20% | 1 | 6.25% |
| Ana Rey Botello | 5 | 0.17% | 1 | 6.25% |
| Randy Dunlap | 3 | 0.10% | 1 | 6.25% |
| simran singhal | 3 | 0.10% | 2 | 12.50% |
| Teodora Baluta | 2 | 0.07% | 1 | 6.25% |
| Masanari Iida | 1 | 0.03% | 1 | 6.25% |
| Amitoj Kaur Chawla | 1 | 0.03% | 1 | 6.25% |
| Total | 2977 | 100.00% | 16 | 100.00% |
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