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path: root/drivers/staging/bcm/HandleControlPacket.c
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Diffstat (limited to 'drivers/staging/bcm/HandleControlPacket.c')
-rw-r--r--drivers/staging/bcm/HandleControlPacket.c323
1 files changed, 168 insertions, 155 deletions
diff --git a/drivers/staging/bcm/HandleControlPacket.c b/drivers/staging/bcm/HandleControlPacket.c
index 2b1e9e17e11c..b058e30b2ca6 100644
--- a/drivers/staging/bcm/HandleControlPacket.c
+++ b/drivers/staging/bcm/HandleControlPacket.c
@@ -1,195 +1,208 @@
/**
-@file HandleControlPacket.c
-This file contains the routines to deal with
-sending and receiving of control packets.
-*/
+ * @file HandleControlPacket.c
+ * This file contains the routines to deal with
+ * sending and receiving of control packets.
+ */
#include "headers.h"
/**
-When a control packet is received, analyze the
-"status" and call appropriate response function.
-Enqueue the control packet for Application.
-@return None
-*/
+ * When a control packet is received, analyze the
+ * "status" and call appropriate response function.
+ * Enqueue the control packet for Application.
+ * @return None
+ */
static VOID handle_rx_control_packet(PMINI_ADAPTER Adapter, struct sk_buff *skb)
{
- PPER_TARANG_DATA pTarang = NULL;
+ PPER_TARANG_DATA pTarang = NULL;
BOOLEAN HighPriorityMessage = FALSE;
- struct sk_buff * newPacket = NULL;
+ struct sk_buff *newPacket = NULL;
CHAR cntrl_msg_mask_bit = 0;
- BOOLEAN drop_pkt_flag = TRUE ;
+ BOOLEAN drop_pkt_flag = TRUE;
USHORT usStatus = *(PUSHORT)(skb->data);
if (netif_msg_pktdata(Adapter))
print_hex_dump(KERN_DEBUG, PFX "rx control: ", DUMP_PREFIX_NONE,
- 16, 1, skb->data, skb->len, 0);
-
- switch(usStatus)
- {
- case CM_RESPONSES: // 0xA0
- BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL, "MAC Version Seems to be Non Multi-Classifier, rejected by Driver");
- HighPriorityMessage = TRUE ;
- break;
- case CM_CONTROL_NEWDSX_MULTICLASSIFIER_RESP:
- HighPriorityMessage = TRUE ;
- if(Adapter->LinkStatus==LINKUP_DONE)
- {
- CmControlResponseMessage(Adapter,(skb->data +sizeof(USHORT)));
- }
- break;
- case LINK_CONTROL_RESP: //0xA2
- case STATUS_RSP: //0xA1
- BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL,"LINK_CONTROL_RESP");
- HighPriorityMessage = TRUE ;
- LinkControlResponseMessage(Adapter,(skb->data + sizeof(USHORT)));
- break;
- case STATS_POINTER_RESP: //0xA6
- HighPriorityMessage = TRUE ;
- StatisticsResponse(Adapter, (skb->data + sizeof(USHORT)));
- break;
- case IDLE_MODE_STATUS: //0xA3
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL,"IDLE_MODE_STATUS Type Message Got from F/W");
- InterfaceIdleModeRespond(Adapter, (PUINT)(skb->data +
- sizeof(USHORT)));
- HighPriorityMessage = TRUE ;
- break;
-
- case AUTH_SS_HOST_MSG:
- HighPriorityMessage = TRUE ;
- break;
-
- default:
- BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL,"Got Default Response");
- /* Let the Application Deal with This Packet */
- break;
+ 16, 1, skb->data, skb->len, 0);
+
+ switch (usStatus) {
+ case CM_RESPONSES: /* 0xA0 */
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT,
+ DBG_LVL_ALL,
+ "MAC Version Seems to be Non Multi-Classifier, rejected by Driver");
+ HighPriorityMessage = TRUE;
+ break;
+ case CM_CONTROL_NEWDSX_MULTICLASSIFIER_RESP:
+ HighPriorityMessage = TRUE;
+ if (Adapter->LinkStatus == LINKUP_DONE)
+ CmControlResponseMessage(Adapter,
+ (skb->data + sizeof(USHORT)));
+ break;
+ case LINK_CONTROL_RESP: /* 0xA2 */
+ case STATUS_RSP: /* 0xA1 */
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT,
+ DBG_LVL_ALL, "LINK_CONTROL_RESP");
+ HighPriorityMessage = TRUE;
+ LinkControlResponseMessage(Adapter,
+ (skb->data + sizeof(USHORT)));
+ break;
+ case STATS_POINTER_RESP: /* 0xA6 */
+ HighPriorityMessage = TRUE;
+ StatisticsResponse(Adapter, (skb->data + sizeof(USHORT)));
+ break;
+ case IDLE_MODE_STATUS: /* 0xA3 */
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT,
+ DBG_LVL_ALL,
+ "IDLE_MODE_STATUS Type Message Got from F/W");
+ InterfaceIdleModeRespond(Adapter, (PUINT)(skb->data +
+ sizeof(USHORT)));
+ HighPriorityMessage = TRUE;
+ break;
+
+ case AUTH_SS_HOST_MSG:
+ HighPriorityMessage = TRUE;
+ break;
+
+ default:
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT,
+ DBG_LVL_ALL, "Got Default Response");
+ /* Let the Application Deal with This Packet */
+ break;
}
- //Queue The Control Packet to The Application Queues
+ /* Queue The Control Packet to The Application Queues */
down(&Adapter->RxAppControlQueuelock);
- for (pTarang = Adapter->pTarangs; pTarang; pTarang = pTarang->next)
- {
- if(Adapter->device_removed)
- {
+ for (pTarang = Adapter->pTarangs; pTarang; pTarang = pTarang->next) {
+ if (Adapter->device_removed)
break;
- }
- drop_pkt_flag = TRUE ;
+ drop_pkt_flag = TRUE;
/*
- There are cntrl msg from A0 to AC. It has been mapped to 0 to C bit in the cntrl mask.
- Also, by default AD to BF has been masked to the rest of the bits... which wil be ON by default.
- if mask bit is enable to particular pkt status, send it out to app else stop it.
- */
+ * There are cntrl msg from A0 to AC. It has been mapped to 0 to
+ * C bit in the cntrl mask.
+ * Also, by default AD to BF has been masked to the rest of the
+ * bits... which wil be ON by default.
+ * if mask bit is enable to particular pkt status, send it out
+ * to app else stop it.
+ */
cntrl_msg_mask_bit = (usStatus & 0x1F);
- //printk("\ninew msg mask bit which is disable in mask:%X", cntrl_msg_mask_bit);
- if(pTarang->RxCntrlMsgBitMask & (1<<cntrl_msg_mask_bit))
- drop_pkt_flag = FALSE;
-
- if ((drop_pkt_flag == TRUE) || (pTarang->AppCtrlQueueLen > MAX_APP_QUEUE_LEN) ||
- ((pTarang->AppCtrlQueueLen > MAX_APP_QUEUE_LEN/2) && (HighPriorityMessage == FALSE)))
- {
+ /*
+ * printk("\ninew msg mask bit which is disable in mask:%X",
+ * cntrl_msg_mask_bit);
+ */
+ if (pTarang->RxCntrlMsgBitMask & (1 << cntrl_msg_mask_bit))
+ drop_pkt_flag = FALSE;
+
+ if ((drop_pkt_flag == TRUE) ||
+ (pTarang->AppCtrlQueueLen > MAX_APP_QUEUE_LEN)
+ || ((pTarang->AppCtrlQueueLen >
+ MAX_APP_QUEUE_LEN / 2) &&
+ (HighPriorityMessage == FALSE))) {
/*
- Assumption:-
- 1. every tarang manages it own dropped pkt statitistics
- 2. Total packet dropped per tarang will be equal to the sum of all types of dropped
- pkt by that tarang only.
-
- */
- switch(*(PUSHORT)skb->data)
- {
- case CM_RESPONSES:
- pTarang->stDroppedAppCntrlMsgs.cm_responses++;
- break;
- case CM_CONTROL_NEWDSX_MULTICLASSIFIER_RESP:
- pTarang->stDroppedAppCntrlMsgs.cm_control_newdsx_multiclassifier_resp++;
- break;
- case LINK_CONTROL_RESP:
- pTarang->stDroppedAppCntrlMsgs.link_control_resp++;
- break;
- case STATUS_RSP:
- pTarang->stDroppedAppCntrlMsgs.status_rsp++;
- break;
- case STATS_POINTER_RESP:
- pTarang->stDroppedAppCntrlMsgs.stats_pointer_resp++;
- break;
- case IDLE_MODE_STATUS:
- pTarang->stDroppedAppCntrlMsgs.idle_mode_status++ ;
- break;
- case AUTH_SS_HOST_MSG:
- pTarang->stDroppedAppCntrlMsgs.auth_ss_host_msg++ ;
- break;
+ * Assumption:-
+ * 1. every tarang manages it own dropped pkt
+ * statitistics
+ * 2. Total packet dropped per tarang will be equal to
+ * the sum of all types of dropped pkt by that
+ * tarang only.
+ */
+ switch (*(PUSHORT)skb->data) {
+ case CM_RESPONSES:
+ pTarang->stDroppedAppCntrlMsgs.cm_responses++;
+ break;
+ case CM_CONTROL_NEWDSX_MULTICLASSIFIER_RESP:
+ pTarang->stDroppedAppCntrlMsgs.cm_control_newdsx_multiclassifier_resp++;
+ break;
+ case LINK_CONTROL_RESP:
+ pTarang->stDroppedAppCntrlMsgs.link_control_resp++;
+ break;
+ case STATUS_RSP:
+ pTarang->stDroppedAppCntrlMsgs.status_rsp++;
+ break;
+ case STATS_POINTER_RESP:
+ pTarang->stDroppedAppCntrlMsgs.stats_pointer_resp++;
+ break;
+ case IDLE_MODE_STATUS:
+ pTarang->stDroppedAppCntrlMsgs.idle_mode_status++;
+ break;
+ case AUTH_SS_HOST_MSG:
+ pTarang->stDroppedAppCntrlMsgs.auth_ss_host_msg++;
+ break;
default:
- pTarang->stDroppedAppCntrlMsgs.low_priority_message++ ;
- break;
+ pTarang->stDroppedAppCntrlMsgs.low_priority_message++;
+ break;
}
continue;
}
- newPacket = skb_clone(skb, GFP_KERNEL);
- if (!newPacket)
- break;
- ENQUEUEPACKET(pTarang->RxAppControlHead,pTarang->RxAppControlTail,
- newPacket);
- pTarang->AppCtrlQueueLen++;
- }
+ newPacket = skb_clone(skb, GFP_KERNEL);
+ if (!newPacket)
+ break;
+ ENQUEUEPACKET(pTarang->RxAppControlHead,
+ pTarang->RxAppControlTail, newPacket);
+ pTarang->AppCtrlQueueLen++;
+ }
up(&Adapter->RxAppControlQueuelock);
- wake_up(&Adapter->process_read_wait_queue);
- dev_kfree_skb(skb);
- BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL, "After wake_up_interruptible");
+ wake_up(&Adapter->process_read_wait_queue);
+ dev_kfree_skb(skb);
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL,
+ "After wake_up_interruptible");
}
/**
-@ingroup ctrl_pkt_functions
-Thread to handle control pkt reception
-*/
-int control_packet_handler (PMINI_ADAPTER Adapter /**< pointer to adapter object*/
- )
+ * @ingroup ctrl_pkt_functions
+ * Thread to handle control pkt reception
+ */
+int control_packet_handler(PMINI_ADAPTER Adapter /* pointer to adapter object*/)
{
- struct sk_buff *ctrl_packet= NULL;
+ struct sk_buff *ctrl_packet = NULL;
unsigned long flags = 0;
- //struct timeval tv ;
- //int *puiBuffer = NULL ;
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL, "Entering to make thread wait on control packet event!");
- while(1)
- {
+ /* struct timeval tv; */
+ /* int *puiBuffer = NULL; */
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL,
+ "Entering to make thread wait on control packet event!");
+ while (1) {
wait_event_interruptible(Adapter->process_rx_cntrlpkt,
- atomic_read(&Adapter->cntrlpktCnt) ||
- Adapter->bWakeUpDevice ||
- kthread_should_stop()
- );
+ atomic_read(&Adapter->cntrlpktCnt) ||
+ Adapter->bWakeUpDevice ||
+ kthread_should_stop());
- if(kthread_should_stop())
- {
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL, "Exiting \n");
+ if (kthread_should_stop()) {
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CP_CTRL_PKT,
+ DBG_LVL_ALL, "Exiting\n");
return 0;
}
- if(TRUE == Adapter->bWakeUpDevice)
- {
+ if (TRUE == Adapter->bWakeUpDevice) {
Adapter->bWakeUpDevice = FALSE;
- if((FALSE == Adapter->bTriedToWakeUpFromlowPowerMode) &&
- ((TRUE == Adapter->IdleMode)|| (TRUE == Adapter->bShutStatus)))
- {
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CP_CTRL_PKT, DBG_LVL_ALL, "Calling InterfaceAbortIdlemode\n");
- // Adapter->bTriedToWakeUpFromlowPowerMode = TRUE;
- InterfaceIdleModeWakeup (Adapter);
+ if ((FALSE == Adapter->bTriedToWakeUpFromlowPowerMode)
+ && ((TRUE == Adapter->IdleMode) ||
+ (TRUE == Adapter->bShutStatus))) {
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
+ CP_CTRL_PKT, DBG_LVL_ALL,
+ "Calling InterfaceAbortIdlemode\n");
+ /*
+ * Adapter->bTriedToWakeUpFromlowPowerMode
+ * = TRUE;
+ */
+ InterfaceIdleModeWakeup(Adapter);
}
continue;
}
- while(atomic_read(&Adapter->cntrlpktCnt))
- {
+ while (atomic_read(&Adapter->cntrlpktCnt)) {
spin_lock_irqsave(&Adapter->control_queue_lock, flags);
ctrl_packet = Adapter->RxControlHead;
- if(ctrl_packet)
- {
- DEQUEUEPACKET(Adapter->RxControlHead,Adapter->RxControlTail);
-// Adapter->RxControlHead=ctrl_packet->next;
+ if (ctrl_packet) {
+ DEQUEUEPACKET(Adapter->RxControlHead,
+ Adapter->RxControlTail);
+ /* Adapter->RxControlHead=ctrl_packet->next; */
}
- spin_unlock_irqrestore (&Adapter->control_queue_lock, flags);
- handle_rx_control_packet(Adapter, ctrl_packet);
+ spin_unlock_irqrestore(&Adapter->control_queue_lock,
+ flags);
+ handle_rx_control_packet(Adapter, ctrl_packet);
atomic_dec(&Adapter->cntrlpktCnt);
}
@@ -201,22 +214,22 @@ int control_packet_handler (PMINI_ADAPTER Adapter /**< pointer to adapter obje
INT flushAllAppQ(void)
{
PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
- PPER_TARANG_DATA pTarang = NULL;
+ PPER_TARANG_DATA pTarang = NULL;
struct sk_buff *PacketToDrop = NULL;
- for(pTarang = Adapter->pTarangs; pTarang; pTarang = pTarang->next)
- {
- while(pTarang->RxAppControlHead != NULL)
- {
- PacketToDrop=pTarang->RxAppControlHead;
- DEQUEUEPACKET(pTarang->RxAppControlHead,pTarang->RxAppControlTail);
+ for (pTarang = Adapter->pTarangs; pTarang; pTarang = pTarang->next) {
+ while (pTarang->RxAppControlHead != NULL) {
+ PacketToDrop = pTarang->RxAppControlHead;
+ DEQUEUEPACKET(pTarang->RxAppControlHead,
+ pTarang->RxAppControlTail);
dev_kfree_skb(PacketToDrop);
}
pTarang->AppCtrlQueueLen = 0;
- //dropped contrl packet statistics also should be reset.
- memset((PVOID)&pTarang->stDroppedAppCntrlMsgs, 0, sizeof(S_MIBS_DROPPED_APP_CNTRL_MESSAGES));
+ /* dropped contrl packet statistics also should be reset. */
+ memset((PVOID)&pTarang->stDroppedAppCntrlMsgs, 0,
+ sizeof(S_MIBS_DROPPED_APP_CNTRL_MESSAGES));
}
- return STATUS_SUCCESS ;
+ return STATUS_SUCCESS;
}