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yaml
---
r: 78423
b: refs/heads/master
c: 6d866ff
h: refs/heads/master
i:
  78421: cac2403
  78419: 2c287d7
  78415: 8cf1408
v: v3
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Michael Chan authored and David S. Miller committed Jan 28, 2008
1 parent a6f7a36 commit d75e9f0
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Showing 3 changed files with 46 additions and 23 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: ead7270b993bed77cb45a5bc786a879679e2b16a
refs/heads/master: 6d866ffc69b0c3e584782f212a3f783708d31e9a
55 changes: 33 additions & 22 deletions trunk/drivers/net/bnx2.c
Original file line number Diff line number Diff line change
Expand Up @@ -5234,18 +5234,15 @@ static int
bnx2_request_irq(struct bnx2 *bp)
{
struct net_device *dev = bp->dev;
int rc = 0;

if (bp->flags & USING_MSI_FLAG) {
irq_handler_t fn = bnx2_msi;

if (bp->flags & ONE_SHOT_MSI_FLAG)
fn = bnx2_msi_1shot;
unsigned long flags;
struct bnx2_irq *irq = &bp->irq_tbl[0];
int rc;

rc = request_irq(bp->pdev->irq, fn, 0, dev->name, dev);
} else
rc = request_irq(bp->pdev->irq, bnx2_interrupt,
IRQF_SHARED, dev->name, dev);
if (bp->flags & USING_MSI_FLAG)
flags = 0;
else
flags = IRQF_SHARED;
rc = request_irq(irq->vector, irq->handler, flags, dev->name, dev);
return rc;
}

Expand All @@ -5254,12 +5251,31 @@ bnx2_free_irq(struct bnx2 *bp)
{
struct net_device *dev = bp->dev;

free_irq(bp->irq_tbl[0].vector, dev);
if (bp->flags & USING_MSI_FLAG) {
free_irq(bp->pdev->irq, dev);
pci_disable_msi(bp->pdev);
bp->flags &= ~(USING_MSI_FLAG | ONE_SHOT_MSI_FLAG);
} else
free_irq(bp->pdev->irq, dev);
}
}

static void
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
bp->irq_tbl[0].handler = bnx2_interrupt;
strcpy(bp->irq_tbl[0].name, bp->dev->name);

if ((bp->flags & MSI_CAP_FLAG) && !dis_msi) {
if (pci_enable_msi(bp->pdev) == 0) {
bp->flags |= USING_MSI_FLAG;
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
bp->flags |= ONE_SHOT_MSI_FLAG;
bp->irq_tbl[0].handler = bnx2_msi_1shot;
} else
bp->irq_tbl[0].handler = bnx2_msi;
}
}

bp->irq_tbl[0].vector = bp->pdev->irq;
}

/* Called with rtnl_lock */
Expand All @@ -5278,15 +5294,8 @@ bnx2_open(struct net_device *dev)
if (rc)
return rc;

bnx2_setup_int_mode(bp, disable_msi);
napi_enable(&bp->napi);

if ((bp->flags & MSI_CAP_FLAG) && !disable_msi) {
if (pci_enable_msi(bp->pdev) == 0) {
bp->flags |= USING_MSI_FLAG;
if (CHIP_NUM(bp) == CHIP_NUM_5709)
bp->flags |= ONE_SHOT_MSI_FLAG;
}
}
rc = bnx2_request_irq(bp);

if (rc) {
Expand Down Expand Up @@ -5325,6 +5334,8 @@ bnx2_open(struct net_device *dev)
bnx2_disable_int(bp);
bnx2_free_irq(bp);

bnx2_setup_int_mode(bp, 1);

rc = bnx2_init_nic(bp);

if (!rc)
Expand Down
12 changes: 12 additions & 0 deletions trunk/drivers/net/bnx2.h
Original file line number Diff line number Diff line change
Expand Up @@ -6494,6 +6494,15 @@ struct flash_spec {
u8 *name;
};

#define BNX2_MAX_MSIX_HW_VEC 9
#define BNX2_MAX_MSIX_VEC 1

struct bnx2_irq {
irq_handler_t handler;
u16 vector;
char name[16];
};

struct bnx2 {
/* Fields used in the tx and intr/napi performance paths are grouped */
/* together in the beginning of the structure. */
Expand Down Expand Up @@ -6721,6 +6730,9 @@ struct bnx2 {
u32 flash_size;

int status_stats_size;

struct bnx2_irq irq_tbl[BNX2_MAX_MSIX_VEC];
int irq_nvecs;
};

static u32 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset);
Expand Down

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