- 根目录:
- drivers
- staging
- rt2860
- common
- action.c
/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
action.c
Abstract:
Handle association related requests either from WSTA or from local MLME
Revision History:
Who When What
-------- ---------- ----------------------------------------------
Jan Lee 2006 created for rt2860
*/
#include "../rt_config.h"
#include "action.h"
static void ReservedAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem);
/*
==========================================================================
Description:
association state machine init, including state transition and timer init
Parameters:
S - pointer to the association state machine
Note:
The state machine looks like the following
ASSOC_IDLE
MT2_MLME_DISASSOC_REQ mlme_disassoc_req_action
MT2_PEER_DISASSOC_REQ peer_disassoc_action
MT2_PEER_ASSOC_REQ drop
MT2_PEER_REASSOC_REQ drop
MT2_CLS3ERR cls3err_action
==========================================================================
*/
void ActionStateMachineInit(struct rt_rtmp_adapter *pAd,
struct rt_state_machine *S,
OUT STATE_MACHINE_FUNC Trans[])
{
StateMachineInit(S, (STATE_MACHINE_FUNC *) Trans, MAX_ACT_STATE,
MAX_ACT_MSG, (STATE_MACHINE_FUNC) Drop, ACT_IDLE,
ACT_MACHINE_BASE);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_SPECTRUM_CATE,
(STATE_MACHINE_FUNC) PeerSpectrumAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_QOS_CATE,
(STATE_MACHINE_FUNC) PeerQOSAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_DLS_CATE,
(STATE_MACHINE_FUNC) ReservedAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_BA_CATE,
(STATE_MACHINE_FUNC) PeerBAAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_HT_CATE,
(STATE_MACHINE_FUNC) PeerHTAction);
StateMachineSetAction(S, ACT_IDLE, MT2_MLME_ADD_BA_CATE,
(STATE_MACHINE_FUNC) MlmeADDBAAction);
StateMachineSetAction(S, ACT_IDLE, MT2_MLME_ORI_DELBA_CATE,
(STATE_MACHINE_FUNC) MlmeDELBAAction);
StateMachineSetAction(S, ACT_IDLE, MT2_MLME_REC_DELBA_CATE,
(STATE_MACHINE_FUNC) MlmeDELBAAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_PUBLIC_CATE,
(STATE_MACHINE_FUNC) PeerPublicAction);
StateMachineSetAction(S, ACT_IDLE, MT2_PEER_RM_CATE,
(STATE_MACHINE_FUNC) PeerRMAction);
StateMachineSetAction(S, ACT_IDLE, MT2_MLME_QOS_CATE,
(STATE_MACHINE_FUNC) MlmeQOSAction);
StateMachineSetAction(S, ACT_IDLE, MT2_MLME_DLS_CATE,
(STATE_MACHINE_FUNC) MlmeDLSAction);
StateMachineSetAction(S, ACT_IDLE, MT2_ACT_INVALID,
(STATE_MACHINE_FUNC) MlmeInvalidAction);
}
void MlmeADDBAAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
struct rt_mlme_addba_req *pInfo;
u8 Addr[6];
u8 *pOutBuffer = NULL;
int NStatus;
unsigned long Idx;
struct rt_frame_addba_req Frame;
unsigned long FrameLen;
struct rt_ba_ori_entry *pBAEntry = NULL;
pInfo = (struct rt_mlme_addba_req *)Elem->Msg;
NdisZeroMemory(&Frame, sizeof(struct rt_frame_addba_req));
if (MlmeAddBAReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr)) {
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_TRACE,
("BA - MlmeADDBAAction() allocate memory failed \n"));
return;
}
/* 1. find entry */
Idx =
pAd->MacTab.Content[pInfo->Wcid].BAOriWcidArray[pInfo->TID];
if (Idx == 0) {
MlmeFreeMemory(pAd, pOutBuffer);
DBGPRINT(RT_DEBUG_ERROR,
("BA - MlmeADDBAAction() can't find BAOriEntry \n"));
return;
} else {
pBAEntry = &pAd->BATable.BAOriEntry[Idx];
}
{
if (ADHOC_ON(pAd))
ActHeaderInit(pAd, &Frame.Hdr, pInfo->pAddr,
pAd->CurrentAddress,
pAd->CommonCfg.Bssid);
else
ActHeaderInit(pAd, &Frame.Hdr,
pAd->CommonCfg.Bssid,
pAd->CurrentAddress,
pInfo->pAddr);
}
Frame.Category = CATEGORY_BA;
Frame.Action = ADDBA_REQ;
Frame.BaParm.AMSDUSupported = 0;
Frame.BaParm.BAPolicy = IMMED_BA;
Frame.BaParm.TID = pInfo->TID;
Frame.BaParm.BufSize = pInfo->BaBufSize;
Frame.Token = pInfo->Token;
Frame.TimeOutValue = pInfo->TimeOutValue;
Frame.BaStartSeq.field.FragNum = 0;
Frame.BaStartSeq.field.StartSeq =
pAd->MacTab.Content[pInfo->Wcid].TxSeq[pInfo->TID];
*(u16 *) (&Frame.BaParm) =
cpu2le16(*(u16 *) (&Frame.BaParm));
Frame.TimeOutValue = cpu2le16(Frame.TimeOutValue);
Frame.BaStartSeq.word = cpu2le16(Frame.BaStartSeq.word);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_frame_addba_req), &Frame, END_OF_ARGS);
MiniportMMRequest(pAd,
(MGMT_USE_QUEUE_FLAG |
MapUserPriorityToAccessCategory[pInfo->TID]),
pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
DBGPRINT(RT_DEBUG_TRACE,
("BA - Send ADDBA request. StartSeq = %x, FrameLen = %ld. BufSize = %d\n",
Frame.BaStartSeq.field.StartSeq, FrameLen,
Frame.BaParm.BufSize));
}
}
/*
==========================================================================
Description:
send DELBA and delete BaEntry if any
Parametrs:
Elem - MLME message struct rt_mlme_delba_req
IRQL = DISPATCH_LEVEL
==========================================================================
*/
void MlmeDELBAAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
struct rt_mlme_delba_req *pInfo;
u8 *pOutBuffer = NULL;
u8 *pOutBuffer2 = NULL;
int NStatus;
unsigned long Idx;
struct rt_frame_delba_req Frame;
unsigned long FrameLen;
struct rt_frame_bar FrameBar;
pInfo = (struct rt_mlme_delba_req *)Elem->Msg;
/* must send back DELBA */
NdisZeroMemory(&Frame, sizeof(struct rt_frame_delba_req));
DBGPRINT(RT_DEBUG_TRACE,
("==> MlmeDELBAAction(), Initiator(%d) \n", pInfo->Initiator));
if (MlmeDelBAReqSanity(pAd, Elem->Msg, Elem->MsgLen)) {
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_ERROR,
("BA - MlmeDELBAAction() allocate memory failed 1. \n"));
return;
}
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer2); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
MlmeFreeMemory(pAd, pOutBuffer);
DBGPRINT(RT_DEBUG_ERROR,
("BA - MlmeDELBAAction() allocate memory failed 2. \n"));
return;
}
/* SEND BAR (Send BAR to refresh peer reordering buffer.) */
Idx =
pAd->MacTab.Content[pInfo->Wcid].BAOriWcidArray[pInfo->TID];
BarHeaderInit(pAd, &FrameBar,
pAd->MacTab.Content[pInfo->Wcid].Addr,
pAd->CurrentAddress);
FrameBar.StartingSeq.field.FragNum = 0; /* make sure sequence not clear in DEL funciton. */
FrameBar.StartingSeq.field.StartSeq = pAd->MacTab.Content[pInfo->Wcid].TxSeq[pInfo->TID]; /* make sure sequence not clear in DEL funciton. */
FrameBar.BarControl.TID = pInfo->TID; /* make sure sequence not clear in DEL funciton. */
FrameBar.BarControl.ACKPolicy = IMMED_BA; /* make sure sequence not clear in DEL funciton. */
FrameBar.BarControl.Compressed = 1; /* make sure sequence not clear in DEL funciton. */
FrameBar.BarControl.MTID = 0; /* make sure sequence not clear in DEL funciton. */
MakeOutgoingFrame(pOutBuffer2, &FrameLen,
sizeof(struct rt_frame_bar), &FrameBar, END_OF_ARGS);
MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer2, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer2);
DBGPRINT(RT_DEBUG_TRACE,
("BA - MlmeDELBAAction() . Send BAR to refresh peer reordering buffer \n"));
/* SEND DELBA FRAME */
FrameLen = 0;
{
if (ADHOC_ON(pAd))
ActHeaderInit(pAd, &Frame.Hdr,
pAd->MacTab.Content[pInfo->Wcid].
Addr, pAd->CurrentAddress,
pAd->CommonCfg.Bssid);
else
ActHeaderInit(pAd, &Frame.Hdr,
pAd->CommonCfg.Bssid,
pAd->CurrentAddress,
pAd->MacTab.Content[pInfo->Wcid].
Addr);
}
Frame.Category = CATEGORY_BA;
Frame.Action = DELBA;
Frame.DelbaParm.Initiator = pInfo->Initiator;
Frame.DelbaParm.TID = pInfo->TID;
Frame.ReasonCode = 39; /* Time Out */
*(u16 *) (&Frame.DelbaParm) =
cpu2le16(*(u16 *) (&Frame.DelbaParm));
Frame.ReasonCode = cpu2le16(Frame.ReasonCode);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_frame_delba_req), &Frame, END_OF_ARGS);
MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
DBGPRINT(RT_DEBUG_TRACE,
("BA - MlmeDELBAAction() . 3 DELBA sent. Initiator(%d)\n",
pInfo->Initiator));
}
}
void MlmeQOSAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
}
void MlmeDLSAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
}
void MlmeInvalidAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
/*u8 * pOutBuffer = NULL; */
/*Return the receiving frame except the MSB of category filed set to 1. 7.3.1.11 */
}
void PeerQOSAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
}
void PeerBAAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 Action = Elem->Msg[LENGTH_802_11 + 1];
switch (Action) {
case ADDBA_REQ:
PeerAddBAReqAction(pAd, Elem);
break;
case ADDBA_RESP:
PeerAddBARspAction(pAd, Elem);
break;
case DELBA:
PeerDelBAAction(pAd, Elem);
break;
}
}
void PeerPublicAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
return;
}
static void ReservedAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 Category;
if (Elem->MsgLen <= LENGTH_802_11) {
return;
}
Category = Elem->Msg[LENGTH_802_11];
DBGPRINT(RT_DEBUG_TRACE,
("Rcv reserved category(%d) Action Frame\n", Category));
hex_dump("Reserved Action Frame", &Elem->Msg[0], Elem->MsgLen);
}
void PeerRMAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
return;
}
static void respond_ht_information_exchange_action(struct rt_rtmp_adapter *pAd,
struct rt_mlme_queue_elem *Elem)
{
u8 *pOutBuffer = NULL;
int NStatus;
unsigned long FrameLen;
struct rt_frame_ht_info HTINFOframe, *pFrame;
u8 *pAddr;
/* 2. Always send back ADDBA Response */
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_TRACE,
("ACTION - respond_ht_information_exchange_action() allocate memory failed \n"));
return;
}
/* get RA */
pFrame = (struct rt_frame_ht_info *) & Elem->Msg[0];
pAddr = pFrame->Hdr.Addr2;
NdisZeroMemory(&HTINFOframe, sizeof(struct rt_frame_ht_info));
/* 2-1. Prepare ADDBA Response frame. */
{
if (ADHOC_ON(pAd))
ActHeaderInit(pAd, &HTINFOframe.Hdr, pAddr,
pAd->CurrentAddress,
pAd->CommonCfg.Bssid);
else
ActHeaderInit(pAd, &HTINFOframe.Hdr,
pAd->CommonCfg.Bssid, pAd->CurrentAddress,
pAddr);
}
HTINFOframe.Category = CATEGORY_HT;
HTINFOframe.Action = HT_INFO_EXCHANGE;
HTINFOframe.HT_Info.Request = 0;
HTINFOframe.HT_Info.Forty_MHz_Intolerant =
pAd->CommonCfg.HtCapability.HtCapInfo.Forty_Mhz_Intolerant;
HTINFOframe.HT_Info.STA_Channel_Width =
pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth;
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_frame_ht_info), &HTINFOframe, END_OF_ARGS);
MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
}
void PeerHTAction(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
{
u8 Action = Elem->Msg[LENGTH_802_11 + 1];
if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
return;
switch (Action) {
case NOTIFY_BW_ACTION:
DBGPRINT(RT_DEBUG_TRACE,
("ACTION - HT Notify Channel bandwidth action----> \n"));
if (pAd->StaActive.SupportedPhyInfo.bHtEnable == FALSE) {
/* Note, this is to patch DIR-1353 AP. When the AP set to Wep, it will use legacy mode. But AP still keeps */
/* sending BW_Notify Action frame, and cause us to linkup and linkdown. */
/* In legacy mode, don't need to parse HT action frame. */
DBGPRINT(RT_DEBUG_TRACE,
("ACTION -Ignore HT Notify Channel BW when link as legacy mode. BW = %d---> \n",
Elem->Msg[LENGTH_802_11 + 2]));
break;
}
if (Elem->Msg[LENGTH_802_11 + 2] == 0) /* 7.4.8.2. if value is 1, keep the same as supported channel bandwidth. */
pAd->MacTab.Content[Elem->Wcid].HTPhyMode.field.BW = 0;
break;
case SMPS_ACTION:
/* 7.3.1.25 */
DBGPRINT(RT_DEBUG_TRACE, ("ACTION - SMPS action----> \n"));
if (((Elem->Msg[LENGTH_802_11 + 2] & 0x1) == 0)) {
pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_ENABLE;
} else if (((Elem->Msg[LENGTH_802_11 + 2] & 0x2) == 0)) {
pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_STATIC;
} else {
pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_DYNAMIC;
}
DBGPRINT(RT_DEBUG_TRACE,
("Aid(%d) MIMO PS = %d\n", Elem->Wcid,
pAd->MacTab.Content[Elem->Wcid].MmpsMode));
/* rt2860c : add something for smps change. */
break;
case SETPCO_ACTION:
break;
case MIMO_CHA_MEASURE_ACTION:
break;
case HT_INFO_EXCHANGE:
{
struct rt_ht_information_octet *pHT_info;
pHT_info =
(struct rt_ht_information_octet *) & Elem->Msg[LENGTH_802_11 +
2];
/* 7.4.8.10 */
DBGPRINT(RT_DEBUG_TRACE,
("ACTION - HT Information Exchange action----> \n"));
if (pHT_info->Request) {
respond_ht_information_exchange_action(pAd,
Elem);
}
}
break;
}
}
/*
==========================================================================
Description:
Retry sending ADDBA Reqest.
IRQL = DISPATCH_LEVEL
Parametrs:
p8023Header: if this is already 802.3 format, p8023Header is NULL
Return : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
FALSE , then continue indicaterx at this moment.
==========================================================================
*/
void ORIBATimerTimeout(struct rt_rtmp_adapter *pAd)
{
struct rt_mac_table_entry *pEntry;
int i, total;
u8 TID;
total = pAd->MacTab.Size * NUM_OF_TID;
for (i = 1; ((i < MAX_LEN_OF_BA_ORI_TABLE) && (total > 0)); i++) {
if (pAd->BATable.BAOriEntry[i].ORI_BA_Status == Originator_Done) {
pEntry =
&pAd->MacTab.Content[pAd->BATable.BAOriEntry[i].
Wcid];
TID = pAd->BATable.BAOriEntry[i].TID;
ASSERT(pAd->BATable.BAOriEntry[i].Wcid <
MAX_LEN_OF_MAC_TABLE);
}
total--;
}
}
void SendRefreshBAR(struct rt_rtmp_adapter *pAd, struct rt_mac_table_entry *pEntry)
{
struct rt_frame_bar FrameBar;
unsigned long FrameLen;
int NStatus;
u8 *pOutBuffer = NULL;
u16 Sequence;
u8 i, TID;
u16 idx;
struct rt_ba_ori_entry *pBAEntry;
for (i = 0; i < NUM_OF_TID; i++) {
idx = pEntry->BAOriWcidArray[i];
if (idx == 0) {
continue;
}
pBAEntry = &pAd->BATable.BAOriEntry[idx];
if (pBAEntry->ORI_BA_Status == Originator_Done) {
TID = pBAEntry->TID;
ASSERT(pBAEntry->Wcid < MAX_LEN_OF_MAC_TABLE);
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); /*Get an unused nonpaged memory */
if (NStatus != NDIS_STATUS_SUCCESS) {
DBGPRINT(RT_DEBUG_ERROR,
("BA - MlmeADDBAAction() allocate memory failed \n"));
return;
}
Sequence = pEntry->TxSeq[TID];
BarHeaderInit(pAd, &FrameBar, pEntry->Addr,
pAd->CurrentAddress);
FrameBar.StartingSeq.field.FragNum = 0; /* make sure sequence not clear in DEL function. */
FrameBar.StartingSeq.field.StartSeq = Sequence; /* make sure sequence not clear in DEL funciton. */
FrameBar.BarControl.TID = TID; /* make sure sequence not clear in DEL funciton. */
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(struct rt_frame_bar), &FrameBar,
END_OF_ARGS);
/*if (!(CLIENT_STATUS_TEST_FLAG(pEntry, fCLIENT_STATUS_RALINK_CHIPSET))) */
if (1) /* Now we always send BAR. */
{
/*MiniportMMRequestUnlock(pAd, 0, pOutBuffer, FrameLen); */
MiniportMMRequest(pAd,
(MGMT_USE_QUEUE_FLAG |
MapUserPriorityToAccessCategory
[TID]), pOutBuffer,
FrameLen);
}
MlmeFreeMemory(pAd, pOutBuffer);
}
}
}
void ActHeaderInit(struct rt_rtmp_adapter *pAd,
struct rt_header_802_11 * pHdr80211,
u8 *Addr1, u8 *Addr2, u8 *Addr3)
{
NdisZeroMemory(pHdr80211, sizeof(struct rt_header_802_11));
pHdr80211->FC.Type = BTYPE_MGMT;
pHdr80211->FC.SubType = SUBTYPE_ACTION;
COPY_MAC_ADDR(pHdr80211->Addr1, Addr1);
COPY_MAC_ADDR(pHdr80211->Addr2, Addr2);
COPY_MAC_ADDR(pHdr80211->Addr3, Addr3);
}
void BarHeaderInit(struct rt_rtmp_adapter *pAd,
struct rt_frame_bar * pCntlBar, u8 *pDA, u8 *pSA)
{
NdisZeroMemory(pCntlBar, sizeof(struct rt_frame_bar));
pCntlBar->FC.Type = BTYPE_CNTL;
pCntlBar->FC.SubType = SUBTYPE_BLOCK_ACK_REQ;
pCntlBar->BarControl.MTID = 0;
pCntlBar->BarControl.Compressed = 1;
pCntlBar->BarControl.ACKPolicy = 0;
pCntlBar->Duration =
16 + RTMPCalcDuration(pAd, RATE_1, sizeof(struct rt_frame_ba));
COPY_MAC_ADDR(pCntlBar->Addr1, pDA);
COPY_MAC_ADDR(pCntlBar->Addr2, pSA);
}
/*
==========================================================================
Description:
Insert Category and action code into the action frame.
Parametrs:
1. frame buffer pointer.
2. frame length.
3. category code of the frame.
4. action code of the frame.
Return : None.
==========================================================================
*/
void InsertActField(struct rt_rtmp_adapter *pAd,
u8 *pFrameBuf,
unsigned long *pFrameLen, u8 Category, u8 ActCode)
{
unsigned long TempLen;
MakeOutgoingFrame(pFrameBuf, &TempLen,
1, &Category, 1, &ActCode, END_OF_ARGS);
*pFrameLen = *pFrameLen + TempLen;
return;
}