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cnic: Unify IRQ code for all hardware types.

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By creating a common cnic_doirq().

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2010-06-24 14:58:38 +00:00 committed by David S. Miller
parent 520efdf44f
commit 66fee9ed03
1 changed files with 20 additions and 13 deletions
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33
drivers/net/cnic.c
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@ -2188,6 +2188,9 @@ static void cnic_chk_pkt_rings(struct cnic_local *cp)
u16 tx_cons = *cp->tx_cons_ptr;
int comp = 0;
if (!test_bit(CNIC_F_CNIC_UP, &cp->dev->flags))
return;
if (cp->tx_cons != tx_cons || cp->rx_cons != rx_cons) {
if (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags))
comp = cnic_l2_completion(cp);
@ -2284,20 +2287,28 @@ done:
BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | cp->last_status_idx);
}
static void cnic_doirq(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
prefetch(cp->status_blk.gen);
prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
tasklet_schedule(&cp->cnic_irq_task);
}
}
static irqreturn_t cnic_irq(int irq, void *dev_instance)
{
struct cnic_dev *dev = dev_instance;
struct cnic_local *cp = dev->cnic_priv;
u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
if (cp->ack_int)
cp->ack_int(dev);
prefetch(cp->status_blk.gen);
prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags)))
tasklet_schedule(&cp->cnic_irq_task);
cnic_doirq(dev);
return IRQ_HANDLED;
}
@ -2373,15 +2384,11 @@ static int cnic_service_bnx2x(void *data, void *status_blk)
{
struct cnic_dev *dev = data;
struct cnic_local *cp = dev->cnic_priv;
u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
prefetch(cp->status_blk.bnx2x);
prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
if (!(cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX))
cnic_doirq(dev);
tasklet_schedule(&cp->cnic_irq_task);
cnic_chk_pkt_rings(cp);
}
cnic_chk_pkt_rings(cp);
return 0;
}