tg3: Add support code around kernel interrupt API

This patch adds code to support multiple interrupt vectors around the
kernel's interrupt API.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 626b968..a78a0db 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2514,6 +2514,9 @@
 	dma_addr_t			status_mapping;
 	dma_addr_t			rx_rcb_mapping;
 	dma_addr_t			tx_desc_mapping;
+
+	char				irq_lbl[IFNAMSIZ];
+	unsigned int			irq_vec;
 };
 
 struct tg3 {
@@ -2829,6 +2832,9 @@
 
 #define SST_25VF0X0_PAGE_SIZE		4098
 
+	unsigned int			irq_max;
+	unsigned int			irq_cnt;
+
 	struct ethtool_coalesce		coal;
 
 	/* firmware info */