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yaml
---
r: 175141
b: refs/heads/master
c: 116badf
h: refs/heads/master
i:
  175139: 159fc4a
v: v3
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Alan Cox authored and Greg Kroah-Hartman committed Dec 11, 2009
1 parent 005874e commit 81dfe16
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Showing 5 changed files with 5 additions and 55 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f432c55e14e3eae2258c0f222b8631255bcc0031
refs/heads/master: 116badfe08c0ab8bcd54492a73b23bacb218ef54
52 changes: 4 additions & 48 deletions trunk/drivers/staging/et131x/et1310_tx.c
Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,6 @@


static void et131x_update_tcb_list(struct et131x_adapter *etdev);
static void et131x_check_send_wait_list(struct et131x_adapter *etdev);
static inline void et131x_free_send_packet(struct et131x_adapter *etdev,
struct tcb *tcb);
static int et131x_send_packet(struct sk_buff *skb,
Expand Down Expand Up @@ -310,8 +309,6 @@ void et131x_init_send(struct et131x_adapter *adapter)
/* Curr send queue should now be empty */
tx_ring->CurrSendHead = NULL;
tx_ring->CurrSendTail = NULL;

INIT_LIST_HEAD(&adapter->tx_ring.SendWaitQueue);
}

/**
Expand All @@ -334,9 +331,8 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
* to Tx, so the PacketCount and it's array used makes no sense here
*/

/* Queue is not empty or TCB is not available */
if (!list_empty(&etdev->tx_ring.SendWaitQueue) ||
MP_TCB_RESOURCES_NOT_AVAILABLE(etdev)) {
/* TCB is not available */
if (MP_TCB_RESOURCES_NOT_AVAILABLE(etdev)) {
/* NOTE: If there's an error on send, no need to queue the
* packet under Linux; if we just send an error up to the
* netif layer, it will resend the skb to us.
Expand Down Expand Up @@ -392,7 +388,7 @@ static int et131x_send_packet(struct sk_buff *skb,
{
int status = 0;
struct tcb *tcb = NULL;
uint16_t *shbufva;
u16 *shbufva;
unsigned long flags;

/* All packets must have at least a MAC address and a protocol type */
Expand Down Expand Up @@ -420,7 +416,7 @@ static int et131x_send_packet(struct sk_buff *skb,
tcb->Packet = skb;

if ((skb->data != NULL) && ((skb->len - skb->data_len) >= 6)) {
shbufva = (uint16_t *) skb->data;
shbufva = (u16 *) skb->data;

if ((shbufva[0] == 0xffff) &&
(shbufva[1] == 0xffff) && (shbufva[2] == 0xffff)) {
Expand Down Expand Up @@ -755,17 +751,6 @@ void et131x_free_busy_send_packets(struct et131x_adapter *etdev)
unsigned long flags;
u32 freed = 0;

while (!list_empty(&etdev->tx_ring.SendWaitQueue)) {
spin_lock_irqsave(&etdev->SendWaitLock, flags);

etdev->tx_ring.nWaitSend--;
spin_unlock_irqrestore(&etdev->SendWaitLock, flags);

entry = etdev->tx_ring.SendWaitQueue.next;
}

etdev->tx_ring.nWaitSend = 0;

/* Any packets being sent? Check the first TCB on the send list */
spin_lock_irqsave(&etdev->TCBSendQLock, flags);

Expand Down Expand Up @@ -811,11 +796,6 @@ void et131x_handle_send_interrupt(struct et131x_adapter *etdev)
{
/* Mark as completed any packets which have been sent by the device. */
et131x_update_tcb_list(etdev);

/* If we queued any transmits because we didn't have any TCBs earlier,
* dequeue and send those packets now, as long as we have free TCBs.
*/
et131x_check_send_wait_list(etdev);
}

/**
Expand Down Expand Up @@ -881,27 +861,3 @@ static void et131x_update_tcb_list(struct et131x_adapter *etdev)
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
}

/**
* et131x_check_send_wait_list - Helper routine for the interrupt handler
* @etdev: pointer to our adapter
*
* Takes packets from the send wait queue and posts them to the device (if
* room available).
*/
static void et131x_check_send_wait_list(struct et131x_adapter *etdev)
{
unsigned long flags;

spin_lock_irqsave(&etdev->SendWaitLock, flags);

while (!list_empty(&etdev->tx_ring.SendWaitQueue) &&
MP_TCB_RESOURCES_AVAILABLE(etdev)) {
struct list_head *entry;

entry = etdev->tx_ring.SendWaitQueue.next;

etdev->tx_ring.nWaitSend--;
}

spin_unlock_irqrestore(&etdev->SendWaitLock, flags);
}
4 changes: 0 additions & 4 deletions trunk/drivers/staging/et131x/et1310_tx.h
Original file line number Diff line number Diff line change
Expand Up @@ -155,10 +155,6 @@ struct tx_ring {
struct tcb *CurrSendTail;
int nBusySend;

/* List of packets (not TCBs) that were queued for lack of resources */
struct list_head SendWaitQueue;
int nWaitSend;

/* The actual descriptor ring */
struct tx_desc *tx_desc_ring;
dma_addr_t tx_desc_ring_pa;
Expand Down
1 change: 0 additions & 1 deletion trunk/drivers/staging/et131x/et131x_adapter.h
Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,6 @@ struct et131x_adapter {
spinlock_t TCBSendQLock;
spinlock_t TCBReadyQLock;
spinlock_t SendHWLock;
spinlock_t SendWaitLock;

spinlock_t RcvLock;
spinlock_t RcvPendLock;
Expand Down
1 change: 0 additions & 1 deletion trunk/drivers/staging/et131x/et131x_initpci.c
Original file line number Diff line number Diff line change
Expand Up @@ -555,7 +555,6 @@ static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev,
spin_lock_init(&etdev->TCBSendQLock);
spin_lock_init(&etdev->TCBReadyQLock);
spin_lock_init(&etdev->SendHWLock);
spin_lock_init(&etdev->SendWaitLock);
spin_lock_init(&etdev->RcvLock);
spin_lock_init(&etdev->RcvPendLock);
spin_lock_init(&etdev->FbrLock);
Expand Down

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