1 /* 2 * Copyright 2008-2010 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 44 #define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 1) 45 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 2) 46 #define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 3) 47 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 4) 48 #define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 5) 49 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 6) 50 51 static 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_ */ 73