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1 | /* |
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 | ||
48 | static 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_ */ |