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Abhijeet Joglekar5df6d732009-04-17 18:33:26 -07001/*
2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4 *
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16 * SOFTWARE.
17 */
18#ifndef _VNIC_NIC_H_
19#define _VNIC_NIC_H_
20
21/*
22 * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
23 * Driver) when both are built with CONFIG options =y
24 */
25#define vnic_set_nic_cfg fnic_set_nic_cfg
26
27#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL
28#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0
29#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8)
30#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL
31#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8
32#define NIC_CFG_RSS_HASH_BITS (7UL << 16)
33#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL
34#define NIC_CFG_RSS_HASH_BITS_SHIFT 16
35#define NIC_CFG_RSS_BASE_CPU (7UL << 19)
36#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL
37#define NIC_CFG_RSS_BASE_CPU_SHIFT 19
38#define NIC_CFG_RSS_ENABLE (1UL << 22)
39#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL
40#define NIC_CFG_RSS_ENABLE_SHIFT 22
41#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23)
42#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL
43#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23
44#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24)
45#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL
46#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24
47
48static inline void vnic_set_nic_cfg(u32 *nic_cfg,
49 u8 rss_default_cpu, u8 rss_hash_type,
50 u8 rss_hash_bits, u8 rss_base_cpu,
51 u8 rss_enable, u8 tso_ipid_split_en,
52 u8 ig_vlan_strip_en)
53{
54 *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
55 ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
56 << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
57 ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
58 << NIC_CFG_RSS_HASH_BITS_SHIFT) |
59 ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
60 << NIC_CFG_RSS_BASE_CPU_SHIFT) |
61 ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
62 << NIC_CFG_RSS_ENABLE_SHIFT) |
63 ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
64 << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
65 ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
66 << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
67}
68
69#endif /* _VNIC_NIC_H_ */