1/* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4 */
5
6#ifndef _ENIC_RES_H_
7#define _ENIC_RES_H_
8
9#include "wq_enet_desc.h"
10#include "rq_enet_desc.h"
11#include "vnic_wq.h"
12#include "vnic_rq.h"
13
14#define ENIC_MIN_WQ_DESCS		64
15#define ENIC_MAX_WQ_DESCS		4096
16#define ENIC_MIN_RQ_DESCS		64
17#define ENIC_MAX_RQ_DESCS		4096
18
19#define ENIC_MAX_MULTICAST_ADDRESSES	32
20
21/* A descriptor ring has a multiple of 32 descriptors */
22#define ENIC_ALIGN_DESCS		32
23#define ENIC_ALIGN_DESCS_MASK		~(ENIC_ALIGN_DESCS - 1)
24
25/* Request a completion index every 32 buffers (roughly packets) */
26#define ENIC_WQ_CQ_THRESH		32
27
28#define ENIC_MIN_MTU			68
29
30/* Does not include (possible) inserted VLAN tag and FCS */
31#define ENIC_DEFAULT_RX_MAX_PKT_SIZE	9022
32
33/* Does not include (possible) inserted VLAN tag and FCS */
34#define ENIC_TX_MAX_PKT_SIZE		9208
35
36#define ENIC_MULTICAST_PERFECT_FILTERS	32
37#define ENIC_UNICAST_PERFECT_FILTERS	32
38
39#define ENIC_NON_TSO_MAX_DESC		16
40#define ENIC_DEFAULT_RX_FREE_THRESH	32
41#define ENIC_TX_XMIT_MAX		64
42#define ENIC_RX_BURST_MAX		64
43
44/* Defaults for dev_info.default_{rx,tx}portconf */
45#define ENIC_DEFAULT_RX_BURST		32
46#define ENIC_DEFAULT_RX_RINGS		1
47#define ENIC_DEFAULT_RX_RING_SIZE	512
48#define ENIC_DEFAULT_TX_BURST		32
49#define ENIC_DEFAULT_TX_RINGS		1
50#define ENIC_DEFAULT_TX_RING_SIZE	512
51
52#define ENIC_RSS_DEFAULT_CPU	0
53#define ENIC_RSS_BASE_CPU	0
54#define ENIC_RSS_HASH_BITS	7
55#define ENIC_RSS_RETA_SIZE	(1 << ENIC_RSS_HASH_BITS)
56#define ENIC_RSS_HASH_KEY_SIZE	40
57
58#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
59
60struct enic;
61
62int enic_get_vnic_config(struct enic *);
63int enic_add_vlan(struct enic *enic, u16 vlanid);
64int enic_del_vlan(struct enic *enic, u16 vlanid);
65int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
66	u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
67	u8 ig_vlan_strip_en);
68void enic_get_res_counts(struct enic *enic);
69void enic_init_vnic_resources(struct enic *enic);
70int enic_alloc_vnic_resources(struct enic *);
71void enic_free_vnic_resources(struct enic *);
72
73#endif /* _ENIC_RES_H_ */
74