blob: eeaf329945d8d12ff0ef53cdd67c6e1331204bb3 [file] [log] [blame]
Scott Feldman01f2e4e2008-09-15 09:17:11 -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 */
19
20#ifndef _VNIC_NIC_H_
21#define _VNIC_NIC_H_
22
23#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL
24#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0
25#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8)
26#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL
27#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8
28#define NIC_CFG_RSS_HASH_BITS (7UL << 16)
29#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL
30#define NIC_CFG_RSS_HASH_BITS_SHIFT 16
31#define NIC_CFG_RSS_BASE_CPU (7UL << 19)
32#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL
33#define NIC_CFG_RSS_BASE_CPU_SHIFT 19
34#define NIC_CFG_RSS_ENABLE (1UL << 22)
35#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL
36#define NIC_CFG_RSS_ENABLE_SHIFT 22
37#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23)
38#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL
39#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23
40#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24)
41#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL
42#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24
43
Scott Feldman6ba9cdc2009-09-03 17:02:24 +000044#define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 0)
45#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 1)
46#define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 2)
47#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 3)
48#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 4)
49#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 5)
50
Scott Feldman01f2e4e2008-09-15 09:17:11 -070051static inline void vnic_set_nic_cfg(u32 *nic_cfg,
52 u8 rss_default_cpu, u8 rss_hash_type,
53 u8 rss_hash_bits, u8 rss_base_cpu,
54 u8 rss_enable, u8 tso_ipid_split_en,
55 u8 ig_vlan_strip_en)
56{
57 *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
58 ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
59 << NIC_CFG_RSS_HASH_TYPE_SHIFT) |
60 ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
61 << NIC_CFG_RSS_HASH_BITS_SHIFT) |
62 ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
63 << NIC_CFG_RSS_BASE_CPU_SHIFT) |
64 ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
65 << NIC_CFG_RSS_ENABLE_SHIFT) |
66 ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
67 << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
68 ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
69 << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
70}
71
72#endif /* _VNIC_NIC_H_ */