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_ */ 70