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Staging: bcm: InterfaceRx.c: Lines shortened

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Acked-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthias Beyer 2014-06-30 10:10:01 +02:00 committed by Greg Kroah-Hartman
parent 9fe109c153
commit f5c86ab9b6
1 changed files with 62 additions and 25 deletions
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87
drivers/staging/bcm/InterfaceRx.c
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@ -24,8 +24,9 @@ GetBulkInRcb(struct bcm_interface_adapter *psIntfAdapter)
pRcb = &psIntfAdapter->asUsbRcb[index]; pRcb = &psIntfAdapter->asUsbRcb[index];
pRcb->bUsed = TRUE; pRcb->bUsed = TRUE;
pRcb->psIntfAdapter = psIntfAdapter; pRcb->psIntfAdapter = psIntfAdapter;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "Got Rx desc %d used %d", BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DPC,
index, atomic_read(&psIntfAdapter->uNumRcbUsed)); DBG_LVL_ALL, "Got Rx desc %d used %d", index,
atomic_read(&psIntfAdapter->uNumRcbUsed));
index = (index + 1) % MAXIMUM_USB_RCB; index = (index + 1) % MAXIMUM_USB_RCB;
atomic_set(&psIntfAdapter->uCurrRcb, index); atomic_set(&psIntfAdapter->uCurrRcb, index);
atomic_inc(&psIntfAdapter->uNumRcbUsed); atomic_inc(&psIntfAdapter->uNumRcbUsed);
@ -63,7 +64,10 @@ static void read_bulk_callback(struct urb *urb)
Adapter->bEndPointHalted = TRUE; Adapter->bEndPointHalted = TRUE;
wake_up(&Adapter->tx_packet_wait_queue); wake_up(&Adapter->tx_packet_wait_queue);
} else { } else {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "Rx URB has got cancelled. status :%d", urb->status); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC,
DBG_LVL_ALL,
"Rx URB has got cancelled. status :%d",
urb->status);
} }
pRcb->bUsed = false; pRcb->bUsed = false;
atomic_dec(&psIntfAdapter->uNumRcbUsed); atomic_dec(&psIntfAdapter->uNumRcbUsed);
@ -72,17 +76,22 @@ static void read_bulk_callback(struct urb *urb)
} }
if (Adapter->bDoSuspend && (Adapter->bPreparingForLowPowerMode)) { if (Adapter->bDoSuspend && (Adapter->bPreparingForLowPowerMode)) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "device is going in low power mode while PMU option selected..hence rx packet should not be process"); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL,
"device is going in low power mode while PMU option selected..hence rx packet should not be process");
return; return;
} }
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "Read back done len %d\n", pLeader->PLength); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL,
"Read back done len %d\n", pLeader->PLength);
if (!pLeader->PLength) { if (!pLeader->PLength) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "Leader Length 0"); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL,
"Leader Length 0");
atomic_dec(&psIntfAdapter->uNumRcbUsed); atomic_dec(&psIntfAdapter->uNumRcbUsed);
return; return;
} }
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "Leader Status:0x%hX, Length:0x%hX, VCID:0x%hX", pLeader->Status, pLeader->PLength, pLeader->Vcid); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL,
"Leader Status:0x%hX, Length:0x%hX, VCID:0x%hX",
pLeader->Status, pLeader->PLength, pLeader->Vcid);
if (MAX_CNTL_PKT_SIZE < pLeader->PLength) { if (MAX_CNTL_PKT_SIZE < pLeader->PLength) {
if (netif_msg_rx_err(Adapter)) if (netif_msg_rx_err(Adapter))
pr_info(PFX "%s: corrupted leader length...%d\n", pr_info(PFX "%s: corrupted leader length...%d\n",
@ -100,23 +109,27 @@ static void read_bulk_callback(struct urb *urb)
bHeaderSupressionEnabled & Adapter->bPHSEnabled; bHeaderSupressionEnabled & Adapter->bPHSEnabled;
} }
skb = dev_alloc_skb(pLeader->PLength + SKB_RESERVE_PHS_BYTES + SKB_RESERVE_ETHERNET_HEADER); skb = dev_alloc_skb(pLeader->PLength + SKB_RESERVE_PHS_BYTES +
SKB_RESERVE_ETHERNET_HEADER);
if (!skb) { if (!skb) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "NO SKBUFF!!! Dropping the Packet"); BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
"NO SKBUFF!!! Dropping the Packet");
atomic_dec(&psIntfAdapter->uNumRcbUsed); atomic_dec(&psIntfAdapter->uNumRcbUsed);
return; return;
} }
/* If it is a control Packet, then call handle_bcm_packet ()*/ /* If it is a control Packet, then call handle_bcm_packet ()*/
if ((ntohs(pLeader->Vcid) == VCID_CONTROL_PACKET) || if ((ntohs(pLeader->Vcid) == VCID_CONTROL_PACKET) ||
(!(pLeader->Status >= 0x20 && pLeader->Status <= 0x3F))) { (!(pLeader->Status >= 0x20 && pLeader->Status <= 0x3F))) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_CTRL, DBG_LVL_ALL, "Received control pkt..."); BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_CTRL,
DBG_LVL_ALL, "Received control pkt...");
*(PUSHORT)skb->data = pLeader->Status; *(PUSHORT)skb->data = pLeader->Status;
memcpy(skb->data+sizeof(USHORT), urb->transfer_buffer + memcpy(skb->data+sizeof(USHORT), urb->transfer_buffer +
(sizeof(struct bcm_leader)), pLeader->PLength); (sizeof(struct bcm_leader)), pLeader->PLength);
skb->len = pLeader->PLength + sizeof(USHORT); skb->len = pLeader->PLength + sizeof(USHORT);
spin_lock(&Adapter->control_queue_lock); spin_lock(&Adapter->control_queue_lock);
ENQUEUEPACKET(Adapter->RxControlHead, Adapter->RxControlTail, skb); ENQUEUEPACKET(Adapter->RxControlHead, Adapter->RxControlTail,
skb);
spin_unlock(&Adapter->control_queue_lock); spin_unlock(&Adapter->control_queue_lock);
atomic_inc(&Adapter->cntrlpktCnt); atomic_inc(&Adapter->cntrlpktCnt);
@ -126,16 +139,22 @@ static void read_bulk_callback(struct urb *urb)
* Data Packet, Format a proper Ethernet Header * Data Packet, Format a proper Ethernet Header
* and give it to the stack * and give it to the stack
*/ */
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA, DBG_LVL_ALL, "Received Data pkt..."); BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA,
DBG_LVL_ALL, "Received Data pkt...");
skb_reserve(skb, 2 + SKB_RESERVE_PHS_BYTES); skb_reserve(skb, 2 + SKB_RESERVE_PHS_BYTES);
memcpy(skb->data+ETH_HLEN, (PUCHAR)urb->transfer_buffer + sizeof(struct bcm_leader), pLeader->PLength); memcpy(skb->data+ETH_HLEN, (PUCHAR)urb->transfer_buffer +
sizeof(struct bcm_leader), pLeader->PLength);
skb->dev = Adapter->dev; skb->dev = Adapter->dev;
/* currently skb->len has extra ETH_HLEN bytes in the beginning */ /* currently skb->len has extra ETH_HLEN bytes in the beginning */
skb_put(skb, pLeader->PLength + ETH_HLEN); skb_put(skb, pLeader->PLength + ETH_HLEN);
Adapter->PackInfo[QueueIndex].uiTotalRxBytes += pLeader->PLength; Adapter->PackInfo[QueueIndex].uiTotalRxBytes +=
Adapter->PackInfo[QueueIndex].uiThisPeriodRxBytes += pLeader->PLength; pLeader->PLength;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA, DBG_LVL_ALL, "Received Data pkt of len :0x%X", pLeader->PLength); Adapter->PackInfo[QueueIndex].uiThisPeriodRxBytes +=
pLeader->PLength;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA,
DBG_LVL_ALL, "Received Data pkt of len :0x%X",
pLeader->PLength);
if (netif_running(Adapter->dev)) { if (netif_running(Adapter->dev)) {
/* Moving ahead by ETH_HLEN to the data ptr as received from FW */ /* Moving ahead by ETH_HLEN to the data ptr as received from FW */
@ -157,7 +176,9 @@ static void read_bulk_callback(struct urb *urb)
skb->protocol = eth_type_trans(skb, Adapter->dev); skb->protocol = eth_type_trans(skb, Adapter->dev);
process_done = netif_rx(skb); process_done = netif_rx(skb);
} else { } else {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA, DBG_LVL_ALL, "i/f not up hance freeing SKB..."); BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX,
RX_DATA, DBG_LVL_ALL,
"i/f not up hance freeing SKB...");
dev_kfree_skb(skb); dev_kfree_skb(skb);
} }
@ -165,8 +186,11 @@ static void read_bulk_callback(struct urb *urb)
Adapter->dev->stats.rx_bytes += pLeader->PLength; Adapter->dev->stats.rx_bytes += pLeader->PLength;
for (uiIndex = 0; uiIndex < MIBS_MAX_HIST_ENTRIES; uiIndex++) { for (uiIndex = 0; uiIndex < MIBS_MAX_HIST_ENTRIES; uiIndex++) {
if ((pLeader->PLength <= MIBS_PKTSIZEHIST_RANGE*(uiIndex+1)) && if ((pLeader->PLength <=
(pLeader->PLength > MIBS_PKTSIZEHIST_RANGE*(uiIndex))) MIBS_PKTSIZEHIST_RANGE*(uiIndex+1)) &&
(pLeader->PLength >
MIBS_PKTSIZEHIST_RANGE*(uiIndex)))
Adapter->aRxPktSizeHist[uiIndex]++; Adapter->aRxPktSizeHist[uiIndex]++;
} }
} }
@ -175,20 +199,29 @@ static void read_bulk_callback(struct urb *urb)
atomic_dec(&psIntfAdapter->uNumRcbUsed); atomic_dec(&psIntfAdapter->uNumRcbUsed);
} }
static int ReceiveRcb(struct bcm_interface_adapter *psIntfAdapter, struct bcm_usb_rcb *pRcb) static int ReceiveRcb(struct bcm_interface_adapter *psIntfAdapter,
struct bcm_usb_rcb *pRcb)
{ {
struct urb *urb = pRcb->urb; struct urb *urb = pRcb->urb;
int retval = 0; int retval = 0;
usb_fill_bulk_urb(urb, psIntfAdapter->udev, usb_rcvbulkpipe(psIntfAdapter->udev, psIntfAdapter->sBulkIn.bulk_in_endpointAddr), usb_fill_bulk_urb(urb, psIntfAdapter->udev,
urb->transfer_buffer, BCM_USB_MAX_READ_LENGTH, read_bulk_callback, pRcb); usb_rcvbulkpipe(psIntfAdapter->udev,
psIntfAdapter->sBulkIn.bulk_in_endpointAddr),
urb->transfer_buffer,
BCM_USB_MAX_READ_LENGTH,
read_bulk_callback, pRcb);
if (false == psIntfAdapter->psAdapter->device_removed && if (false == psIntfAdapter->psAdapter->device_removed &&
false == psIntfAdapter->psAdapter->bEndPointHalted && false == psIntfAdapter->psAdapter->bEndPointHalted &&
false == psIntfAdapter->bSuspended && false == psIntfAdapter->bSuspended &&
false == psIntfAdapter->bPreparingForBusSuspend) { false == psIntfAdapter->bPreparingForBusSuspend) {
retval = usb_submit_urb(urb, GFP_ATOMIC); retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval) { if (retval) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "failed submitting read urb, error %d", retval); BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX,
RX_DPC, DBG_LVL_ALL,
"failed submitting read urb, error %d",
retval);
/* if this return value is because of pipe halt. need to clear this. */ /* if this return value is because of pipe halt. need to clear this. */
if (retval == -EPIPE) { if (retval == -EPIPE) {
psIntfAdapter->psAdapter->bEndPointHalted = TRUE; psIntfAdapter->psAdapter->bEndPointHalted = TRUE;
@ -216,13 +249,17 @@ Return: TRUE - If Rx was successful.
bool InterfaceRx(struct bcm_interface_adapter *psIntfAdapter) bool InterfaceRx(struct bcm_interface_adapter *psIntfAdapter)
{ {
USHORT RxDescCount = NUM_RX_DESC - atomic_read(&psIntfAdapter->uNumRcbUsed); USHORT RxDescCount = NUM_RX_DESC -
atomic_read(&psIntfAdapter->uNumRcbUsed);
struct bcm_usb_rcb *pRcb = NULL; struct bcm_usb_rcb *pRcb = NULL;
while (RxDescCount) { while (RxDescCount) {
pRcb = GetBulkInRcb(psIntfAdapter); pRcb = GetBulkInRcb(psIntfAdapter);
if (pRcb == NULL) { if (pRcb == NULL) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Unable to get Rcb pointer"); BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
DBG_TYPE_PRINTK, 0, 0,
"Unable to get Rcb pointer");
return false; return false;
} }
ReceiveRcb(psIntfAdapter, pRcb); ReceiveRcb(psIntfAdapter, pRcb);