add indexes in NIC datastructure for async implementation

drivers/net/ethernet/broadcom/bnx2x/bnx2x.h

@@ -589,6 +589,16 @@ struct bnx2x_fastpath {
 	u16			rx_comp_prod;
 	u16			rx_comp_cons;
 	u16			rx_sge_prod;
+#ifdef CONFIG_XEN_SME
+	u16     hwi_bd_prod;
+	u16			hwi_bd_cons;
+	u16     hwi_comp_prod;
+	u16     hwi_comp_cons;
+	u16			swi_bd_prod;
+	u16			swi_bd_cons;
+	u16     swi_comp_prod;
+	u16     swi_comp_cons;
+#endif
 	/* The last maximal completed SGE */
 	u16			last_max_sge;
 	__le16			*rx_cons_sb;

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

@@ -4609,6 +4609,16 @@ static int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp,
 
 	bnx2x_fp_stats(bp, fp)->eth_q_stats.rx_skb_alloc_failed += failure_cnt;
 
+#ifdef CONFIG_XEN_SME
+	fp->hwi_bd_prod = fp->rx_bd_prod;
+	fp->hwi_bd_cons = fp->rx_bd_cons;
+	fp->hwi_comp_prod = fp->rx_comp_prod;
+	fp->hwi_comp_cons = fp->rx_comp_cons;
+	fp->swi_bd_prod = fp->rx_bd_prod;
+	fp->swi_bd_cons = fp->rx_bd_cons;
+	fp->swi_comp_prod = fp->rx_comp_prod;
+	fp->swi_comp_cons = fp->rx_comp_cons;
+#endif
 	return i - failure_cnt;
 }