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

/*
 * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * Copyright (c) 2014, Cisco Systems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef _ENIC_H_
#define _ENIC_H_

#include "vnic_enet.h"
#include "vnic_dev.h"
#include "vnic_wq.h"
#include "vnic_rq.h"
#include "vnic_cq.h"
#include "vnic_intr.h"
#include "vnic_stats.h"
#include "vnic_nic.h"
#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"
#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 VLAN_ETH_HLEN           18

#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)

#define ENICPMD_BDF_LENGTH      13   /* 0000:00:00.0'\0' */
#define ENIC_CALC_IP_CKSUM      1
#define ENIC_CALC_TCP_UDP_CKSUM 2
#define ENIC_MAX_MTU            9000
#define ENIC_PAGE_SIZE          4096
#define PAGE_ROUND_UP(x) \
	((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))

#define ENICPMD_VFIO_PATH          "/dev/vfio/vfio"
/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/

#define PCI_DEVICE_ID_CISCO_VIC_ENET         0x0043  /* ethernet vnic */
#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF      0x0071  /* enet SRIOV VF */


#define ENICPMD_FDIR_MAX           64

struct enic_fdir_node {
	struct rte_eth_fdir_filter filter;
	u16 fltr_id;
	u16 rq_index;
};

struct enic_fdir {
	struct rte_eth_fdir_stats stats;
	struct rte_hash *hash;
	struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
	u32 modes;
	u32 types_mask;
	void (*copy_fltr_fn)(struct filter_v2 *filt,
			     struct rte_eth_fdir_input *input,
			     struct rte_eth_fdir_masks *masks);
};

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;
	struct rte_pci_device *pdev;
	struct vnic_enet_config config;
	struct vnic_dev_bar bar0;
	struct vnic_dev *vdev;

	unsigned int port_id;
	struct rte_eth_dev *rte_dev;
	struct enic_fdir fdir;
	char bdf_name[ENICPMD_BDF_LENGTH];
	int dev_fd;
	int iommu_group_fd;
	int iommu_groupid;
	int eventfd;
	uint8_t mac_addr[ETH_ALEN];
	pthread_t err_intr_thread;
	int promisc;
	int allmulti;
	u8 ig_vlan_strip_en;
	int link_status;
	u8 hw_ip_checksum;
	u16 max_mtu;
	u16 adv_filters;

	unsigned int flags;
	unsigned int priv_flags;

	/* work queue */
	struct vnic_wq wq[ENIC_WQ_MAX];
	unsigned int wq_count;

	/* receive queue */
	struct vnic_rq rq[ENIC_RQ_MAX];
	unsigned int rq_count;

	/* completion queue */
	struct vnic_cq cq[ENIC_CQ_MAX];
	unsigned int cq_count;

	/* interrupt resource */
	struct vnic_intr intr;
	unsigned int intr_count;

	/* software counters */
	struct enic_soft_stats soft_stats;

	/* configured resources on vic */
	unsigned int conf_rq_count;
	unsigned int conf_wq_count;
	unsigned int conf_cq_count;
	unsigned int conf_intr_count;

	/* linked list storing memory allocations */
	LIST_HEAD(enic_memzone_list, enic_memzone_entry) memzone_list;
	rte_spinlock_t memzone_list_lock;
	rte_spinlock_t mtu_lock;

};

/* 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 sop_idx / 2;
}

/* Get the RTE RQ index from a Start of Packet(SOP) RQ index */
static inline unsigned int enic_sop_rq_idx_to_rte_idx(unsigned int sop_idx)
{
	return sop_idx / 2;
}

/* Get the Start of Packet(SOP) RQ index from a RTE RQ index */
static inline unsigned int enic_rte_rq_idx_to_sop_idx(unsigned int rte_idx)
{
	return rte_idx * 2;
}

/* Get the Data RQ index from a RTE RQ index */
static inline unsigned int enic_rte_rq_idx_to_data_idx(unsigned int rte_idx)
{
	return rte_idx * 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)
{
	/* 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)
{
	return enic->rq_count + wq;
}

static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
{
	return 0;
}

static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
{
	return (struct enic *)eth_dev->data->dev_private;
}

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;
}

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 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
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 void 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);
extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
extern void enic_del_mac_address(struct enic *enic);
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);
uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
			uint16_t nb_pkts);
uint16_t enic_dummy_recv_pkts(__rte_unused void *rx_queue,
			      __rte_unused struct rte_mbuf **rx_pkts,
			      __rte_unused 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);
int enic_link_update(struct enic *enic);
void enic_fdir_info(struct enic *enic);
void enic_fdir_info_get(struct enic *enic, struct rte_eth_fdir_info *stats);
void copy_fltr_v1(struct filter_v2 *fltr, struct rte_eth_fdir_input *input,
		  struct rte_eth_fdir_masks *masks);
void copy_fltr_v2(__rte_unused struct filter_v2 *fltr,
		  __rte_unused struct rte_eth_fdir_input *input,
		  __rte_unused struct rte_eth_fdir_masks *masks);
#endif /* _ENIC_H_ */
Commit	Line	Data
7c673cae FG	1	/*
	2	* Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
	3	* Copyright 2007 Nuova Systems, Inc. All rights reserved.
	4	*
	5	* Copyright (c) 2014, Cisco Systems, Inc.
	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	21	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	22	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	23	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	24	* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
	25	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
	26	* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	27	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	28	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
	30	* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	31	* POSSIBILITY OF SUCH DAMAGE.
	32	*
	33	*/
	34
	35	#ifndef _ENIC_H_
	36	#define _ENIC_H_
	37
	38	#include "vnic_enet.h"
	39	#include "vnic_dev.h"
	40	#include "vnic_wq.h"
	41	#include "vnic_rq.h"
	42	#include "vnic_cq.h"
	43	#include "vnic_intr.h"
	44	#include "vnic_stats.h"
	45	#include "vnic_nic.h"
	46	#include "vnic_rss.h"
	47	#include "enic_res.h"
	48	#include "cq_enet_desc.h"
	49	#include <sys/queue.h>
	50	#include <rte_spinlock.h>
	51
	52	#define DRV_NAME "enic_pmd"
	53	#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
	54	#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
	55
	56	#define ENIC_WQ_MAX 8
	57	/* With Rx scatter support, we use two RQs on VIC per RQ used by app. Both
	58	* RQs use the same CQ.
	59	*/
	60	#define ENIC_RQ_MAX 16
	61	#define ENIC_CQ_MAX (ENIC_WQ_MAX + (ENIC_RQ_MAX / 2))
	62	#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
	63
	64	#define VLAN_ETH_HLEN 18
65
66	#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
67
68	#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
69	#define ENIC_CALC_IP_CKSUM 1
70	#define ENIC_CALC_TCP_UDP_CKSUM 2
71	#define ENIC_MAX_MTU 9000
72	#define ENIC_PAGE_SIZE 4096
73	#define PAGE_ROUND_UP(x) \
74	((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
75
76	#define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
77	/#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)/
78
79	#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
80	#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
81
82
83	#define ENICPMD_FDIR_MAX 64
84
85	struct enic_fdir_node {
86	struct rte_eth_fdir_filter filter;
87	u16 fltr_id;
88	u16 rq_index;
89	};
90
91	struct enic_fdir {
92	struct rte_eth_fdir_stats stats;
93	struct rte_hash *hash;
94	struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
95	u32 modes;
96	u32 types_mask;
97	void (copy_fltr_fn)(struct filter_v2 filt,
98	struct rte_eth_fdir_input *input,
99	struct rte_eth_fdir_masks *masks);
100	};
101
102	struct enic_soft_stats {
103	rte_atomic64_t rx_nombuf;
104	rte_atomic64_t rx_packet_errors;
105	};
106
107	struct enic_memzone_entry {
108	const struct rte_memzone *rz;
109	LIST_ENTRY(enic_memzone_entry) entries;
110	};
111
112	/* Per-instance private data structure */
113	struct enic {
114	struct enic *next;
115	struct rte_pci_device *pdev;
116	struct vnic_enet_config config;
117	struct vnic_dev_bar bar0;
118	struct vnic_dev *vdev;
119
120	unsigned int port_id;
121	struct rte_eth_dev *rte_dev;
122	struct enic_fdir fdir;
123	char bdf_name[ENICPMD_BDF_LENGTH];
124	int dev_fd;
125	int iommu_group_fd;
126	int iommu_groupid;
127	int eventfd;
128	uint8_t mac_addr[ETH_ALEN];
129	pthread_t err_intr_thread;
130	int promisc;
131	int allmulti;
132	u8 ig_vlan_strip_en;
133	int link_status;
134	u8 hw_ip_checksum;
135	u16 max_mtu;
136	u16 adv_filters;
137
138	unsigned int flags;
139	unsigned int priv_flags;
140
141	/* work queue */
142	struct vnic_wq wq[ENIC_WQ_MAX];
143	unsigned int wq_count;
144
145	/* receive queue */
146	struct vnic_rq rq[ENIC_RQ_MAX];
147	unsigned int rq_count;
148
149	/* completion queue */
150	struct vnic_cq cq[ENIC_CQ_MAX];
151	unsigned int cq_count;
152
153	/* interrupt resource */
154	struct vnic_intr intr;
155	unsigned int intr_count;
156
157	/* software counters */
158	struct enic_soft_stats soft_stats;
159
160	/* configured resources on vic */
161	unsigned int conf_rq_count;
162	unsigned int conf_wq_count;
163	unsigned int conf_cq_count;
164	unsigned int conf_intr_count;
165
166	/* linked list storing memory allocations */
167	LIST_HEAD(enic_memzone_list, enic_memzone_entry) memzone_list;
168	rte_spinlock_t memzone_list_lock;
169	rte_spinlock_t mtu_lock;
170
171	};
172
173	/* Get the CQ index from a Start of Packet(SOP) RQ index */
174	static inline unsigned int enic_sop_rq_idx_to_cq_idx(unsigned int sop_idx)
175	{
176	return sop_idx / 2;
177	}
178
179	/* Get the RTE RQ index from a Start of Packet(SOP) RQ index */
180	static inline unsigned int enic_sop_rq_idx_to_rte_idx(unsigned int sop_idx)
181	{
182	return sop_idx / 2;
183	}
184
185	/* Get the Start of Packet(SOP) RQ index from a RTE RQ index */
186	static inline unsigned int enic_rte_rq_idx_to_sop_idx(unsigned int rte_idx)
187	{
188	return rte_idx * 2;
189	}
190
191	/* Get the Data RQ index from a RTE RQ index */
192	static inline unsigned int enic_rte_rq_idx_to_data_idx(unsigned int rte_idx)
193	{
194	return rte_idx * 2 + 1;
195	}
196
197	static inline unsigned int enic_vnic_rq_count(struct enic *enic)
198	{
199	return enic->rq_count * 2;
200	}
201
202	static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
203	{
204	/* Scatter rx uses two receive queues together with one
205	* completion queue, so the completion queue number is no
206	* longer the same as the rq number.
207	*/
208	return rq / 2;
209	}
210
211	static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
212	{
213	return enic->rq_count + wq;
214	}
215
216	static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
217	{
218	return 0;
219	}
220
221	static inline struct enic pmd_priv(struct rte_eth_dev eth_dev)
222	{
223	return (struct enic *)eth_dev->data->dev_private;
224	}
225
226	static inline uint32_t
227	enic_ring_add(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
228	{
229	uint32_t d = i0 + i1;
230	d -= (d >= n_descriptors) ? n_descriptors : 0;
231	return d;
232	}
233
234	static inline uint32_t
235	enic_ring_sub(uint32_t n_descriptors, uint32_t i0, uint32_t i1)
236	{
237	int32_t d = i1 - i0;
238	return (uint32_t)((d < 0) ? ((int32_t)n_descriptors + d) : d);
239	}
240
241	static inline uint32_t
242	enic_ring_incr(uint32_t n_descriptors, uint32_t idx)
243	{
244	idx++;
245	if (unlikely(idx == n_descriptors))
246	idx = 0;
247	return idx;
248	}
249
250	extern void enic_fdir_stats_get(struct enic *enic,
251	struct rte_eth_fdir_stats *stats);
252	extern int enic_fdir_add_fltr(struct enic *enic,
253	struct rte_eth_fdir_filter *params);
254	extern int enic_fdir_del_fltr(struct enic *enic,
255	struct rte_eth_fdir_filter *params);
256	extern void enic_free_wq(void *txq);
257	extern int enic_alloc_intr_resources(struct enic *enic);
258	extern int enic_setup_finish(struct enic *enic);
259	extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
260	unsigned int socket_id, uint16_t nb_desc);
261	extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
262	extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
263	extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
264	extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
265	extern void enic_free_rq(void *rxq);
266	extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
267	unsigned int socket_id, struct rte_mempool *mp,
268	uint16_t nb_desc, uint16_t free_thresh);
269	extern int enic_set_rss_nic_cfg(struct enic *enic);
270	extern int enic_set_vnic_res(struct enic *enic);
271	extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
272	extern int enic_enable(struct enic *enic);
273	extern int enic_disable(struct enic *enic);
274	extern void enic_remove(struct enic *enic);
275	extern int enic_get_link_status(struct enic *enic);
276	extern void enic_dev_stats_get(struct enic *enic,
277	struct rte_eth_stats *r_stats);
278	extern void enic_dev_stats_clear(struct enic *enic);
279	extern void enic_add_packet_filter(struct enic *enic);
280	extern void enic_set_mac_address(struct enic enic, uint8_t mac_addr);
281	extern void enic_del_mac_address(struct enic *enic);
282	extern unsigned int enic_cleanup_wq(struct enic enic, struct vnic_wq wq);
283	extern void enic_send_pkt(struct enic enic, struct vnic_wq wq,
284	struct rte_mbuf *tx_pkt, unsigned short len,
285	uint8_t sop, uint8_t eop, uint8_t cq_entry,
286	uint16_t ol_flags, uint16_t vlan_tag);
287
288	extern void enic_post_wq_index(struct vnic_wq *wq);
289	extern int enic_probe(struct enic *enic);
290	extern int enic_clsf_init(struct enic *enic);
291	extern void enic_clsf_destroy(struct enic *enic);
292	uint16_t enic_recv_pkts(void rx_queue, struct rte_mbuf *rx_pkts,
293	uint16_t nb_pkts);
294	uint16_t enic_dummy_recv_pkts(__rte_unused void *rx_queue,
295	__rte_unused struct rte_mbuf **rx_pkts,
296	__rte_unused uint16_t nb_pkts);
297	uint16_t enic_xmit_pkts(void tx_queue, struct rte_mbuf *tx_pkts,
298	uint16_t nb_pkts);
299	int enic_set_mtu(struct enic *enic, uint16_t new_mtu);
300	int enic_link_update(struct enic *enic);
301	void enic_fdir_info(struct enic *enic);
302	void enic_fdir_info_get(struct enic enic, struct rte_eth_fdir_info stats);
303	void copy_fltr_v1(struct filter_v2 fltr, struct rte_eth_fdir_input input,
304	struct rte_eth_fdir_masks *masks);
305	void copy_fltr_v2(__rte_unused struct filter_v2 *fltr,
306	__rte_unused struct rte_eth_fdir_input *input,
307	__rte_unused struct rte_eth_fdir_masks *masks);
308	#endif /* _ENIC_H_ */