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path: root/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
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Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c')
-rw-r--r--drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c534
1 files changed, 0 insertions, 534 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
deleted file mode 100644
index 3aabb401b15a..000000000000
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
+++ /dev/null
@@ -1,534 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "ieee80211.h"
-#include <linux/etherdevice.h>
-#include <linux/slab.h>
-#include "rtl819x_TS.h"
-
-static void TsSetupTimeOut(struct timer_list *unused)
-{
- // Not implement yet
- // This is used for WMMSA and ACM , that would send ADDTSReq frame.
-}
-
-static void TsInactTimeout(struct timer_list *unused)
-{
- // Not implement yet
- // This is used for WMMSA and ACM.
- // This function would be call when TS is no Tx/Rx for some period of time.
-}
-
-/********************************************************************************************************************
- *function: I still not understand this function, so wait for further implementation
- * input: unsigned long data //acturally we send struct tx_ts_record or struct rx_ts_record to these timer
- * return: NULL
- * notice:
- ********************************************************************************************************************/
-static void RxPktPendingTimeout(struct timer_list *t)
-{
- struct rx_ts_record *pRxTs = from_timer(pRxTs, t, rx_pkt_pending_timer);
- struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
-
- struct rx_reorder_entry *pReorderEntry = NULL;
-
- //u32 flags = 0;
- unsigned long flags = 0;
- u8 index = 0;
- bool bPktInBuf = false;
-
- spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
- IEEE80211_DEBUG(IEEE80211_DL_REORDER, "==================>%s()\n", __func__);
- if (pRxTs->rx_timeout_indicate_seq != 0xffff) {
- // Indicate the pending packets sequentially according to SeqNum until meet the gap.
- while (!list_empty(&pRxTs->rx_pending_pkt_list)) {
- pReorderEntry = list_entry(pRxTs->rx_pending_pkt_list.prev, struct rx_reorder_entry, List);
- if (index == 0)
- pRxTs->rx_indicate_seq = pReorderEntry->SeqNum;
-
- if (SN_LESS(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq) ||
- SN_EQUAL(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq)) {
- list_del_init(&pReorderEntry->List);
-
- if (SN_EQUAL(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq))
- pRxTs->rx_indicate_seq = (pRxTs->rx_indicate_seq + 1) % 4096;
-
- IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s: IndicateSeq: %d\n", __func__, pReorderEntry->SeqNum);
- ieee->stats_IndicateArray[index] = pReorderEntry->prxb;
- index++;
-
- list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
- } else {
- bPktInBuf = true;
- break;
- }
- }
- }
-
- if (index > 0) {
- // Set rx_timeout_indicate_seq to 0xffff to indicate no pending packets in buffer now.
- pRxTs->rx_timeout_indicate_seq = 0xffff;
-
- // Indicate packets
- if (index > REORDER_WIN_SIZE) {
- IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorder buffer full!! \n");
- spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
- return;
- }
- ieee80211_indicate_packets(ieee, ieee->stats_IndicateArray, index);
- }
-
- if (bPktInBuf && (pRxTs->rx_timeout_indicate_seq == 0xffff)) {
- pRxTs->rx_timeout_indicate_seq = pRxTs->rx_indicate_seq;
- mod_timer(&pRxTs->rx_pkt_pending_timer,
- jiffies + msecs_to_jiffies(ieee->pHTInfo->RxReorderPendingTime));
- }
- spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
-}
-
-/********************************************************************************************************************
- *function: Add BA timer function
- * input: unsigned long data //acturally we send struct tx_ts_record or struct rx_ts_record to these timer
- * return: NULL
- * notice:
- ********************************************************************************************************************/
-static void TsAddBaProcess(struct timer_list *t)
-{
- struct tx_ts_record *pTxTs = from_timer(pTxTs, t, ts_add_ba_timer);
- u8 num = pTxTs->num;
- struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
-
- TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
- IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: ADDBA Req is started!! \n", __func__);
-}
-
-
-static void ResetTsCommonInfo(struct ts_common_info *pTsCommonInfo)
-{
- eth_zero_addr(pTsCommonInfo->addr);
- memset(&pTsCommonInfo->t_spec, 0, sizeof(struct tspec_body));
- memset(&pTsCommonInfo->t_class, 0, sizeof(union qos_tclas) * TCLAS_NUM);
- pTsCommonInfo->t_clas_proc = 0;
- pTsCommonInfo->t_clas_num = 0;
-}
-
-static void ResetTxTsEntry(struct tx_ts_record *pTS)
-{
- ResetTsCommonInfo(&pTS->ts_common_info);
- pTS->tx_cur_seq = 0;
- pTS->add_ba_req_in_progress = false;
- pTS->add_ba_req_delayed = false;
- pTS->using_ba = false;
- ResetBaEntry(&pTS->tx_admitted_ba_record); //For BA Originator
- ResetBaEntry(&pTS->tx_pending_ba_record);
-}
-
-static void ResetRxTsEntry(struct rx_ts_record *pTS)
-{
- ResetTsCommonInfo(&pTS->ts_common_info);
- pTS->rx_indicate_seq = 0xffff; // This indicate the rx_indicate_seq is not used now!!
- pTS->rx_timeout_indicate_seq = 0xffff; // This indicate the rx_timeout_indicate_seq is not used now!!
- ResetBaEntry(&pTS->rx_admitted_ba_record); // For BA Recipient
-}
-
-void TSInitialize(struct ieee80211_device *ieee)
-{
- struct tx_ts_record *pTxTS = ieee->TxTsRecord;
- struct rx_ts_record *pRxTS = ieee->RxTsRecord;
- struct rx_reorder_entry *pRxReorderEntry = ieee->RxReorderEntry;
- u8 count = 0;
- IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __func__);
- // Initialize Tx TS related info.
- INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
- INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
- INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
-
- for (count = 0; count < TOTAL_TS_NUM; count++) {
- //
- pTxTS->num = count;
- // The timers for the operation of Traffic Stream and Block Ack.
- // DLS related timer will be add here in the future!!
- timer_setup(&pTxTS->ts_common_info.setup_timer, TsSetupTimeOut,
- 0);
- timer_setup(&pTxTS->ts_common_info.inact_timer, TsInactTimeout,
- 0);
- timer_setup(&pTxTS->ts_add_ba_timer, TsAddBaProcess, 0);
- timer_setup(&pTxTS->tx_pending_ba_record.timer, BaSetupTimeOut,
- 0);
- timer_setup(&pTxTS->tx_admitted_ba_record.timer,
- TxBaInactTimeout, 0);
- ResetTxTsEntry(pTxTS);
- list_add_tail(&pTxTS->ts_common_info.list, &ieee->Tx_TS_Unused_List);
- pTxTS++;
- }
-
- // Initialize Rx TS related info.
- INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
- INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
- INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
- for (count = 0; count < TOTAL_TS_NUM; count++) {
- pRxTS->num = count;
- INIT_LIST_HEAD(&pRxTS->rx_pending_pkt_list);
- timer_setup(&pRxTS->ts_common_info.setup_timer, TsSetupTimeOut,
- 0);
- timer_setup(&pRxTS->ts_common_info.inact_timer, TsInactTimeout,
- 0);
- timer_setup(&pRxTS->rx_admitted_ba_record.timer,
- RxBaInactTimeout, 0);
- timer_setup(&pRxTS->rx_pkt_pending_timer, RxPktPendingTimeout, 0);
- ResetRxTsEntry(pRxTS);
- list_add_tail(&pRxTS->ts_common_info.list, &ieee->Rx_TS_Unused_List);
- pRxTS++;
- }
- // Initialize unused Rx Reorder List.
- INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
- for (count = 0; count < REORDER_ENTRY_NUM; count++) {
- list_add_tail(&pRxReorderEntry->List, &ieee->RxReorder_Unused_List);
- if (count == (REORDER_ENTRY_NUM - 1))
- break;
- pRxReorderEntry = &ieee->RxReorderEntry[count + 1];
- }
-}
-
-static void AdmitTS(struct ieee80211_device *ieee,
- struct ts_common_info *pTsCommonInfo, u32 InactTime)
-{
- del_timer_sync(&pTsCommonInfo->setup_timer);
- del_timer_sync(&pTsCommonInfo->inact_timer);
-
- if (InactTime != 0)
- mod_timer(&pTsCommonInfo->inact_timer,
- jiffies + msecs_to_jiffies(InactTime));
-}
-
-
-static struct ts_common_info *SearchAdmitTRStream(struct ieee80211_device *ieee,
- u8 *Addr, u8 TID,
- enum tr_select TxRxSelect)
-{
- //DIRECTION_VALUE dir;
- u8 dir;
- bool search_dir[4] = {0};
- struct list_head *psearch_list; //FIXME
- struct ts_common_info *pRet = NULL;
- if (ieee->iw_mode == IW_MODE_MASTER) { //ap mode
- if (TxRxSelect == TX_DIR) {
- search_dir[DIR_DOWN] = true;
- search_dir[DIR_BI_DIR] = true;
- } else {
- search_dir[DIR_UP] = true;
- search_dir[DIR_BI_DIR] = true;
- }
- } else if (ieee->iw_mode == IW_MODE_ADHOC) {
- if (TxRxSelect == TX_DIR)
- search_dir[DIR_UP] = true;
- else
- search_dir[DIR_DOWN] = true;
- } else {
- if (TxRxSelect == TX_DIR) {
- search_dir[DIR_UP] = true;
- search_dir[DIR_BI_DIR] = true;
- search_dir[DIR_DIRECT] = true;
- } else {
- search_dir[DIR_DOWN] = true;
- search_dir[DIR_BI_DIR] = true;
- search_dir[DIR_DIRECT] = true;
- }
- }
-
- if (TxRxSelect == TX_DIR)
- psearch_list = &ieee->Tx_TS_Admit_List;
- else
- psearch_list = &ieee->Rx_TS_Admit_List;
-
- //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
- for (dir = 0; dir <= DIR_BI_DIR; dir++) {
- if (!search_dir[dir])
- continue;
- list_for_each_entry(pRet, psearch_list, list) {
- // IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.ts_info.ucTSID, pRet->TSpec.ts_info.ucDirection);
- if (memcmp(pRet->addr, Addr, 6) == 0)
- if (pRet->t_spec.ts_info.uc_tsid == TID)
- if (pRet->t_spec.ts_info.uc_direction == dir) {
- // printk("Bingo! got it\n");
- break;
- }
- }
- if (&pRet->list != psearch_list)
- break;
- }
-
- if (&pRet->list != psearch_list)
- return pRet;
- else
- return NULL;
-}
-
-static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr,
- struct tspec_body *pTSPEC, union qos_tclas *pTCLAS, u8 TCLAS_Num,
- u8 TCLAS_Proc)
-{
- u8 count;
-
- if (pTsCommonInfo == NULL)
- return;
-
- memcpy(pTsCommonInfo->addr, Addr, 6);
-
- if (pTSPEC != NULL)
- memcpy((u8 *)(&(pTsCommonInfo->t_spec)), (u8 *)pTSPEC, sizeof(struct tspec_body));
-
- for (count = 0; count < TCLAS_Num; count++)
- memcpy((u8 *)(&(pTsCommonInfo->t_class[count])), (u8 *)pTCLAS, sizeof(union qos_tclas));
-
- pTsCommonInfo->t_clas_proc = TCLAS_Proc;
- pTsCommonInfo->t_clas_num = TCLAS_Num;
-}
-
-
-bool GetTs(
- struct ieee80211_device *ieee,
- struct ts_common_info **ppTS,
- u8 *Addr,
- u8 TID,
- enum tr_select TxRxSelect, //Rx:1, Tx:0
- bool bAddNewTs
- )
-{
- u8 UP = 0;
- //
- // We do not build any TS for Broadcast or Multicast stream.
- // So reject these kinds of search here.
- //
- if (is_multicast_ether_addr(Addr)) {
- IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
- return false;
- }
-
- if (ieee->current_network.qos_data.supported == 0) {
- UP = 0;
- } else {
- // In WMM case: we use 4 TID only
- if (!is_ac_valid(TID)) {
- IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
- return false;
- }
-
- switch (TID) {
- case 0:
- case 3:
- UP = 0;
- break;
-
- case 1:
- case 2:
- UP = 2;
- break;
-
- case 4:
- case 5:
- UP = 5;
- break;
-
- case 6:
- case 7:
- UP = 7;
- break;
- }
- }
-
- *ppTS = SearchAdmitTRStream(
- ieee,
- Addr,
- UP,
- TxRxSelect);
- if (*ppTS != NULL) {
- return true;
- } else {
- if (!bAddNewTs) {
- IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
- return false;
- } else {
- //
- // Create a new Traffic stream for current Tx/Rx
- // This is for EDCA and WMM to add a new TS.
- // For HCCA or WMMSA, TS cannot be addmit without negotiation.
- //
- struct tspec_body TSpec;
- struct qos_tsinfo *pTSInfo = &TSpec.ts_info;
- struct list_head *pUnusedList =
- (TxRxSelect == TX_DIR) ?
- (&ieee->Tx_TS_Unused_List) :
- (&ieee->Rx_TS_Unused_List);
-
- struct list_head *pAddmitList =
- (TxRxSelect == TX_DIR) ?
- (&ieee->Tx_TS_Admit_List) :
- (&ieee->Rx_TS_Admit_List);
-
- enum direction_value Dir = (ieee->iw_mode == IW_MODE_MASTER) ?
- ((TxRxSelect == TX_DIR) ? DIR_DOWN : DIR_UP) :
- ((TxRxSelect == TX_DIR) ? DIR_UP : DIR_DOWN);
- IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
- if (!list_empty(pUnusedList)) {
- (*ppTS) = list_entry(pUnusedList->next, struct ts_common_info, list);
- list_del_init(&(*ppTS)->list);
- if (TxRxSelect == TX_DIR) {
- struct tx_ts_record *tmp = container_of(*ppTS, struct tx_ts_record, ts_common_info);
- ResetTxTsEntry(tmp);
- } else {
- struct rx_ts_record *tmp = container_of(*ppTS, struct rx_ts_record, ts_common_info);
- ResetRxTsEntry(tmp);
- }
-
- IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
- // Prepare TS Info related field
- pTSInfo->uc_traffic_type = 0; // Traffic type: WMM is reserved in this field
- pTSInfo->uc_tsid = UP; // TSID
- pTSInfo->uc_direction = Dir; // Direction: if there is DirectLink, this need additional consideration.
- pTSInfo->uc_access_policy = 1; // Access policy
- pTSInfo->uc_aggregation = 0; // Aggregation
- pTSInfo->uc_psb = 0; // Aggregation
- pTSInfo->uc_up = UP; // User priority
- pTSInfo->uc_ts_info_ack_policy = 0; // Ack policy
- pTSInfo->uc_schedule = 0; // Schedule
-
- MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
- AdmitTS(ieee, *ppTS, 0);
- list_add_tail(&((*ppTS)->list), pAddmitList);
- // if there is DirectLink, we need to do additional operation here!!
-
- return true;
- } else {
- IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __func__);
- return false;
- }
- }
- }
-}
-
-static void RemoveTsEntry(struct ieee80211_device *ieee, struct ts_common_info *pTs,
- enum tr_select TxRxSelect)
-{
- //u32 flags = 0;
- unsigned long flags = 0;
- del_timer_sync(&pTs->setup_timer);
- del_timer_sync(&pTs->inact_timer);
- TsInitDelBA(ieee, pTs, TxRxSelect);
-
- if (TxRxSelect == RX_DIR) {
- struct rx_reorder_entry *pRxReorderEntry;
- struct rx_ts_record *pRxTS = (struct rx_ts_record *)pTs;
- if (timer_pending(&pRxTS->rx_pkt_pending_timer))
- del_timer_sync(&pRxTS->rx_pkt_pending_timer);
-
- while (!list_empty(&pRxTS->rx_pending_pkt_list)) {
- spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
- //pRxReorderEntry = list_entry(&pRxTS->rx_pending_pkt_list.prev,RX_REORDER_ENTRY,List);
- pRxReorderEntry = list_entry(pRxTS->rx_pending_pkt_list.prev, struct rx_reorder_entry, List);
- list_del_init(&pRxReorderEntry->List);
- {
- int i = 0;
- struct ieee80211_rxb *prxb = pRxReorderEntry->prxb;
- if (unlikely(!prxb)) {
- spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
- return;
- }
- for (i = 0; i < prxb->nr_subframes; i++)
- dev_kfree_skb(prxb->subframes[i]);
-
- kfree(prxb);
- prxb = NULL;
- }
- list_add_tail(&pRxReorderEntry->List, &ieee->RxReorder_Unused_List);
- spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
- }
-
- } else {
- struct tx_ts_record *pTxTS = (struct tx_ts_record *)pTs;
- del_timer_sync(&pTxTS->ts_add_ba_timer);
- }
-}
-
-void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr)
-{
- struct ts_common_info *pTS, *pTmpTS;
-
- printk("===========>%s,%pM\n", __func__, Addr);
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, list) {
- if (memcmp(pTS->addr, Addr, 6) == 0) {
- RemoveTsEntry(ieee, pTS, TX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
- }
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, list) {
- if (memcmp(pTS->addr, Addr, 6) == 0) {
- printk("====>remove Tx_TS_admin_list\n");
- RemoveTsEntry(ieee, pTS, TX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
- }
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, list) {
- if (memcmp(pTS->addr, Addr, 6) == 0) {
- RemoveTsEntry(ieee, pTS, RX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
- }
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, list) {
- if (memcmp(pTS->addr, Addr, 6) == 0) {
- RemoveTsEntry(ieee, pTS, RX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
- }
- }
-}
-
-void RemoveAllTS(struct ieee80211_device *ieee)
-{
- struct ts_common_info *pTS, *pTmpTS;
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, list) {
- RemoveTsEntry(ieee, pTS, TX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, list) {
- RemoveTsEntry(ieee, pTS, TX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, list) {
- RemoveTsEntry(ieee, pTS, RX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
- }
-
- list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, list) {
- RemoveTsEntry(ieee, pTS, RX_DIR);
- list_del_init(&pTS->list);
- list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
- }
-}
-
-void TsStartAddBaProcess(struct ieee80211_device *ieee, struct tx_ts_record *pTxTS)
-{
- if (!pTxTS->add_ba_req_in_progress) {
- pTxTS->add_ba_req_in_progress = true;
- if (pTxTS->add_ba_req_delayed) {
- IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: Delayed Start ADDBA after 60 sec!!\n", __func__);
- mod_timer(&pTxTS->ts_add_ba_timer,
- jiffies + msecs_to_jiffies(TS_ADDBA_DELAY));
- } else {
- IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: Immediately Start ADDBA now!!\n", __func__);
- mod_timer(&pTxTS->ts_add_ba_timer, jiffies + 10); //set 10 ticks
- }
- } else {
- IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __func__);
- }
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-13 10:56:33 +0300