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-rw-r--r--drivers/net/enic/enic.h94
1 files changed, 82 insertions, 12 deletions
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index 8c914f5b..53fed0b8 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -46,6 +46,8 @@
#include "vnic_rss.h"
#include "enic_res.h"
#include "cq_enet_desc.h"
+#include <sys/queue.h>
+#include <rte_spinlock.h>
#define DRV_NAME "enic_pmd"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
@@ -53,8 +55,11 @@
#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
@@ -62,7 +67,6 @@
#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
-#define PKT_TX_TCP_UDP_CKSUM 0x6000
#define ENIC_CALC_IP_CKSUM 1
#define ENIC_CALC_TCP_UDP_CKSUM 2
#define ENIC_MAX_MTU 9000
@@ -91,6 +95,16 @@ struct enic_fdir {
struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
};
+struct enic_soft_stats {
+ rte_atomic64_t rx_nombuf;
+ rte_atomic64_t rx_packet_errors;
+};
+
+struct enic_memzone_entry {
+ const struct rte_memzone *rz;
+ LIST_ENTRY(enic_memzone_entry) entries;
+};
+
/* Per-instance private data structure */
struct enic {
struct enic *next;
@@ -114,6 +128,7 @@ struct enic {
u8 ig_vlan_strip_en;
int link_status;
u8 hw_ip_checksum;
+ u16 max_mtu;
unsigned int flags;
unsigned int priv_flags;
@@ -133,11 +148,38 @@ struct enic {
/* interrupt resource */
struct vnic_intr intr;
unsigned int intr_count;
+
+ /* software counters */
+ struct enic_soft_stats soft_stats;
+
+ /* linked list storing memory allocations */
+ LIST_HEAD(enic_memzone_list, enic_memzone_entry) memzone_list;
+ rte_spinlock_t memzone_list_lock;
+
};
+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;
+ /* Scatter rx uses two receive queues together with one
+ * completion queue, so the completion queue number is no
+ * longer the same as the rq number.
+ */
+ return rq / 2;
}
static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
@@ -155,14 +197,40 @@ static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
return (struct enic *)eth_dev->data->dev_private;
}
-#define RTE_LIBRTE_ENIC_ASSERT_ENABLE
-#ifdef RTE_LIBRTE_ENIC_ASSERT_ENABLE
-#define ASSERT(x) do { \
- if (!(x)) \
- rte_panic("ENIC: x"); \
-} while (0)
+static inline uint32_t
+enic_ring_add(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
+{
+ uint32_t d = i0 + i1;
+ d -= (d >= n_descriptors) ? n_descriptors : 0;
+ return d;
+}
+
+static inline uint32_t
+enic_ring_sub(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
+{
+ int32_t d = i1 - i0;
+ return (uint32_t)((d < 0) ? ((int32_t)n_descriptors + d) : d);
+}
+
+static inline uint32_t
+enic_ring_incr(uint32_t n_descriptors, uint32_t idx)
+{
+ idx++;
+ if (unlikely(idx == n_descriptors))
+ idx = 0;
+ return idx;
+}
+
+#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
+#define ENIC_ASSERT(cond) \
+ do { \
+ if (unlikely(!(cond))) { \
+ rte_panic("line %d\tassert \"" #cond "\"" \
+ "failed\n", __LINE__); \
+ } \
+ } while (0)
#else
-#define ASSERT(x)
+#define ENIC_ASSERT(cond) do {} while (0)
#endif
extern void enic_fdir_stats_get(struct enic *enic,
@@ -209,5 +277,7 @@ extern int enic_clsf_init(struct enic *enic);
extern void enic_clsf_destroy(struct enic *enic);
uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
-
+uint16_t enic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+int enic_set_mtu(struct enic *enic, uint16_t new_mtu);
#endif /* _ENIC_H_ */