net/enic: support scattered Rx

[dpdk.git] / drivers / net / enic / enic.h

diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index 1e6914e..df302ff 100644 (file)
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -53,8 +53,11 @@
 #define DRV_COPYRIGHT          "Copyright 2008-2015 Cisco Systems, Inc"
 
 #define ENIC_WQ_MAX            8
-#define ENIC_RQ_MAX            8
-#define ENIC_CQ_MAX            (ENIC_WQ_MAX + ENIC_RQ_MAX)
+/* With Rx scatter support, we use two RQs on VIC per RQ used by app. Both
+ * RQs use the same CQ.
+ */
+#define ENIC_RQ_MAX            16
+#define ENIC_CQ_MAX            (ENIC_WQ_MAX + (ENIC_RQ_MAX / 2))
 #define ENIC_INTR_MAX          (ENIC_CQ_MAX + 2)
 
 #define VLAN_ETH_HLEN           18
@@ -142,6 +145,21 @@ struct enic {
        struct enic_soft_stats soft_stats;
 };
 
+static inline unsigned int enic_sop_rq(unsigned int rq)
+{
+       return rq * 2;
+}
+
+static inline unsigned int enic_data_rq(unsigned int rq)
+{
+       return rq * 2 + 1;
+}
+
+static inline unsigned int enic_vnic_rq_count(struct enic *enic)
+{
+       return enic->rq_count * 2;
+}
+
 static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
 {
        return rq;