#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
-#define ENIC_WQ_MAX 8
-/* 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 ENIC_MAX_MAC_ADDR 64
#define VLAN_ETH_HLEN 18
unsigned int flags;
unsigned int priv_flags;
- /* work queue */
- struct vnic_wq wq[ENIC_WQ_MAX];
- unsigned int wq_count;
+ /* work queue (len = conf_wq_count) */
+ struct vnic_wq *wq;
+ unsigned int wq_count; /* equals eth_dev nb_tx_queues */
- /* receive queue */
- struct vnic_rq rq[ENIC_RQ_MAX];
- unsigned int rq_count;
+ /* receive queue (len = conf_rq_count) */
+ struct vnic_rq *rq;
+ unsigned int rq_count; /* equals eth_dev nb_rx_queues */
- /* completion queue */
- struct vnic_cq cq[ENIC_CQ_MAX];
- unsigned int cq_count;
+ /* completion queue (len = conf_cq_count) */
+ struct vnic_cq *cq;
+ unsigned int cq_count; /* equals rq_count + wq_count */
/* interrupt resource */
struct vnic_intr intr;
LIST_HEAD(enic_flows, rte_flow) flows;
rte_spinlock_t flows_lock;
+
+ /* RSS */
+ uint16_t reta_size;
+ uint8_t hash_key_size;
+ uint64_t flow_type_rss_offloads; /* 0 indicates RSS not supported */
+ /*
+ * Keep a copy of current RSS config for queries, as we cannot retrieve
+ * it from the NIC.
+ */
+ uint8_t rss_hash_type; /* NIC_CFG_RSS_HASH_TYPE flags */
+ uint8_t rss_enable;
+ uint64_t rss_hf; /* ETH_RSS flags */
+ union vnic_rss_key rss_key;
+ union vnic_rss_cpu rss_cpu;
};
+/* Compute ethdev's max packet size from MTU */
+static inline uint32_t enic_mtu_to_max_rx_pktlen(uint32_t mtu)
+{
+ /* ethdev max size includes eth and crc whereas NIC MTU does not */
+ return mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+}
+
/* Get the CQ index from a Start of Packet(SOP) RQ index */
static inline unsigned int enic_sop_rq_idx_to_cq_idx(unsigned int sop_idx)
{
return idx;
}
-extern void enic_fdir_stats_get(struct enic *enic,
- struct rte_eth_fdir_stats *stats);
-extern int enic_fdir_add_fltr(struct enic *enic,
- struct rte_eth_fdir_filter *params);
-extern int enic_fdir_del_fltr(struct enic *enic,
- struct rte_eth_fdir_filter *params);
-extern void enic_free_wq(void *txq);
-extern int enic_alloc_intr_resources(struct enic *enic);
-extern int enic_setup_finish(struct enic *enic);
-extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
- unsigned int socket_id, uint16_t nb_desc);
-extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
-extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
-extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
-extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
-extern void enic_free_rq(void *rxq);
-extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
- unsigned int socket_id, struct rte_mempool *mp,
- uint16_t nb_desc, uint16_t free_thresh);
-extern int enic_set_rss_nic_cfg(struct enic *enic);
-extern int enic_set_vnic_res(struct enic *enic);
-extern int enic_enable(struct enic *enic);
-extern int enic_disable(struct enic *enic);
-extern void enic_remove(struct enic *enic);
-extern int enic_get_link_status(struct enic *enic);
-extern int enic_dev_stats_get(struct enic *enic,
- struct rte_eth_stats *r_stats);
-extern void enic_dev_stats_clear(struct enic *enic);
-extern void enic_add_packet_filter(struct enic *enic);
+void enic_fdir_stats_get(struct enic *enic,
+ struct rte_eth_fdir_stats *stats);
+int enic_fdir_add_fltr(struct enic *enic,
+ struct rte_eth_fdir_filter *params);
+int enic_fdir_del_fltr(struct enic *enic,
+ struct rte_eth_fdir_filter *params);
+void enic_free_wq(void *txq);
+int enic_alloc_intr_resources(struct enic *enic);
+int enic_setup_finish(struct enic *enic);
+int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
+ unsigned int socket_id, uint16_t nb_desc);
+void enic_start_wq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
+void enic_start_rq(struct enic *enic, uint16_t queue_idx);
+int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
+void enic_free_rq(void *rxq);
+int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
+ unsigned int socket_id, struct rte_mempool *mp,
+ uint16_t nb_desc, uint16_t free_thresh);
+int enic_set_vnic_res(struct enic *enic);
+int enic_init_rss_nic_cfg(struct enic *enic);
+int enic_set_rss_conf(struct enic *enic,
+ struct rte_eth_rss_conf *rss_conf);
+int enic_set_rss_reta(struct enic *enic, union vnic_rss_cpu *rss_cpu);
+int enic_set_vlan_strip(struct enic *enic);
+int enic_enable(struct enic *enic);
+int enic_disable(struct enic *enic);
+void enic_remove(struct enic *enic);
+int enic_get_link_status(struct enic *enic);
+int enic_dev_stats_get(struct enic *enic,
+ struct rte_eth_stats *r_stats);
+void enic_dev_stats_clear(struct enic *enic);
+void enic_add_packet_filter(struct enic *enic);
int enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
void enic_del_mac_address(struct enic *enic, int mac_index);
-extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
-extern void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
- struct rte_mbuf *tx_pkt, unsigned short len,
- uint8_t sop, uint8_t eop, uint8_t cq_entry,
- uint16_t ol_flags, uint16_t vlan_tag);
-
-extern void enic_post_wq_index(struct vnic_wq *wq);
-extern int enic_probe(struct enic *enic);
-extern int enic_clsf_init(struct enic *enic);
-extern void enic_clsf_destroy(struct enic *enic);
+unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
+void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
+ struct rte_mbuf *tx_pkt, unsigned short len,
+ uint8_t sop, uint8_t eop, uint8_t cq_entry,
+ uint16_t ol_flags, uint16_t vlan_tag);
+
+void enic_post_wq_index(struct vnic_wq *wq);
+int enic_probe(struct enic *enic);
+int enic_clsf_init(struct enic *enic);
+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_dummy_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);
+ uint16_t nb_pkts);
+uint16_t enic_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
int enic_set_mtu(struct enic *enic, uint16_t new_mtu);
int enic_link_update(struct enic *enic);
void enic_fdir_info(struct enic *enic);