[BNX2]: Add 1-shot MSI handler for 5709.

The 5709 supports the one-shot MSI handler similar to some of the tg3
chips.  In this mode, the MSI disables itself automatically until it
is re-enabled at the end of NAPI poll.

Put the request_irq/free_irq logic in common procedures.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index ba175a800c8e..121576d144d0 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6468,12 +6468,14 @@ struct bnx2 {
         u32                     last_status_idx;
 
         u32                     flags;
-#define PCIX_FLAG                       1
-#define PCI_32BIT_FLAG                  2
-#define ONE_TDMA_FLAG                   4       /* no longer used */
-#define NO_WOL_FLAG                     8
-#define USING_MSI_FLAG                  0x20
-#define ASF_ENABLE_FLAG                 0x40
+#define PCIX_FLAG                       0x00000001
+#define PCI_32BIT_FLAG                  0x00000002
+#define ONE_TDMA_FLAG                   0x00000004      /* no longer used */
+#define NO_WOL_FLAG                     0x00000008
+#define USING_MSI_FLAG                  0x00000020
+#define ASF_ENABLE_FLAG                 0x00000040
+#define MSI_CAP_FLAG                    0x00000080
+#define ONE_SHOT_MSI_FLAG               0x00000100
 
         /* Put tx producer and consumer fields in separate cache lines. */