enic_res.h revision ce3d555e
1/*
2 * Copyright 2008-2010 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_RES_H_
36#define _ENIC_RES_H_
37
38#include "wq_enet_desc.h"
39#include "rq_enet_desc.h"
40#include "vnic_wq.h"
41#include "vnic_rq.h"
42
43#define ENIC_MIN_WQ_DESCS		64
44#define ENIC_MAX_WQ_DESCS		4096
45#define ENIC_MIN_RQ_DESCS		64
46#define ENIC_MAX_RQ_DESCS		4096
47
48#define ENIC_MIN_MTU			68
49
50/* Does not include (possible) inserted VLAN tag and FCS */
51#define ENIC_DEFAULT_RX_MAX_PKT_SIZE	9022
52
53/* Does not include (possible) inserted VLAN tag and FCS */
54#define ENIC_TX_MAX_PKT_SIZE		9208
55
56#define ENIC_MULTICAST_PERFECT_FILTERS	32
57#define ENIC_UNICAST_PERFECT_FILTERS	32
58
59#define ENIC_NON_TSO_MAX_DESC		16
60#define ENIC_DEFAULT_RX_FREE_THRESH	32
61#define ENIC_TX_XMIT_MAX		64
62
63#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
64
65
66struct enic;
67
68int enic_get_vnic_config(struct enic *);
69int enic_add_vlan(struct enic *enic, u16 vlanid);
70int enic_del_vlan(struct enic *enic, u16 vlanid);
71int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
72	u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
73	u8 ig_vlan_strip_en);
74int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
75int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
76void enic_get_res_counts(struct enic *enic);
77void enic_init_vnic_resources(struct enic *enic);
78int enic_alloc_vnic_resources(struct enic *);
79void enic_free_vnic_resources(struct enic *);
80
81#endif /* _ENIC_RES_H_ */
82