1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. 4 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 5 */ 6 7 #ifndef _VNIC_NIC_H_ 8 #define _VNIC_NIC_H_ 9 10 #define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL 11 #define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0 12 #define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8) 13 #define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL 14 #define NIC_CFG_RSS_HASH_TYPE_SHIFT 8 15 #define NIC_CFG_RSS_HASH_BITS (7UL << 16) 16 #define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL 17 #define NIC_CFG_RSS_HASH_BITS_SHIFT 16 18 #define NIC_CFG_RSS_BASE_CPU (7UL << 19) 19 #define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL 20 #define NIC_CFG_RSS_BASE_CPU_SHIFT 19 21 #define NIC_CFG_RSS_ENABLE (1UL << 22) 22 #define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL 23 #define NIC_CFG_RSS_ENABLE_SHIFT 22 24 #define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23) 25 #define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL 26 #define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23 27 #define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24) 28 #define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL 29 #define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24 30 31 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV4 (1 << 0) 32 #define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 1) 33 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 2) 34 #define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 3) 35 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 4) 36 #define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 5) 37 #define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 6) 38 #define NIC_CFG_RSS_HASH_TYPE_UDP_IPV6 (1 << 7) 39 40 static inline void vnic_set_nic_cfg(u32 *nic_cfg, 41 u8 rss_default_cpu, u8 rss_hash_type, 42 u8 rss_hash_bits, u8 rss_base_cpu, 43 u8 rss_enable, u8 tso_ipid_split_en, 44 u8 ig_vlan_strip_en) 45 { 46 *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) | 47 ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD) 48 << NIC_CFG_RSS_HASH_TYPE_SHIFT) | 49 ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD) 50 << NIC_CFG_RSS_HASH_BITS_SHIFT) | 51 ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD) 52 << NIC_CFG_RSS_BASE_CPU_SHIFT) | 53 ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD) 54 << NIC_CFG_RSS_ENABLE_SHIFT) | 55 ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD) 56 << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) | 57 ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD) 58 << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT); 59 } 60 61 #endif /* _VNIC_NIC_H_ */ 62