enic: provision for multiple Rx/Tx queues; prepare for RSS support
Provision for multiple Rx/Tx queues. Max of 8 WQs and 8 RQs. Max for
completion queue is 8+8=16 and max for interrupt resources is 8+8+2.
Add driver/firmware interface for setting up RSS secret key and indirection
table.
Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index f7c5b33..e1c2076 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -29,6 +29,7 @@
#include "vnic_cq.h"
#include "vnic_intr.h"
#include "vnic_stats.h"
+#include "vnic_nic.h"
#include "vnic_rss.h"
#define DRV_NAME "enic"
@@ -42,17 +43,20 @@
#define ENIC_BARS_MAX 6
+#define ENIC_WQ_MAX 8
+#define ENIC_RQ_MAX 8
+#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
+#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
+
enum enic_cq_index {
ENIC_CQ_RQ,
ENIC_CQ_WQ,
- ENIC_CQ_MAX,
};
enum enic_intx_intr_index {
ENIC_INTX_WQ_RQ,
ENIC_INTX_ERR,
ENIC_INTX_NOTIFY,
- ENIC_INTX_MAX,
};
enum enic_msix_intr_index {
@@ -90,13 +94,13 @@
u32 port_mtu;
/* work queue cache line section */
- ____cacheline_aligned struct vnic_wq wq[1];
- spinlock_t wq_lock[1];
+ ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
+ spinlock_t wq_lock[ENIC_WQ_MAX];
unsigned int wq_count;
struct vlan_group *vlan_group;
/* receive queue cache line section */
- ____cacheline_aligned struct vnic_rq rq[1];
+ ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
unsigned int rq_count;
int (*rq_alloc_buf)(struct vnic_rq *rq);
u64 rq_truncated_pkts;
@@ -106,7 +110,7 @@
struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
/* interrupt resource cache line section */
- ____cacheline_aligned struct vnic_intr intr[ENIC_MSIX_MAX];
+ ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
unsigned int intr_count;
u32 __iomem *legacy_pba; /* memory-mapped */