1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 */ 5 6 #ifndef _VNIC_ENIC_H_ 7 #define _VNIC_ENIC_H_ 8 9 /* Hardware intr coalesce timer is in units of 1.5us */ 10 #define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2 / 3) 11 #define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3 / 2) 12 13 /* Device-specific region: enet configuration */ 14 struct vnic_enet_config { 15 u32 flags; 16 u32 wq_desc_count; 17 u32 rq_desc_count; 18 u16 mtu; 19 u16 intr_timer_deprecated; 20 u8 intr_timer_type; 21 u8 intr_mode; 22 char devname[16]; 23 u32 intr_timer_usec; 24 u16 loop_tag; 25 u16 vf_rq_count; 26 u16 num_arfs; 27 u64 mem_paddr; 28 u16 rdma_qp_id; 29 u16 rdma_qp_count; 30 u16 rdma_resgrp; 31 u32 rdma_mr_id; 32 u32 rdma_mr_count; 33 u32 max_pkt_size; 34 }; 35 36 #define VENETF_TSO 0x1 /* TSO enabled */ 37 #define VENETF_LRO 0x2 /* LRO enabled */ 38 #define VENETF_RXCSUM 0x4 /* RX csum enabled */ 39 #define VENETF_TXCSUM 0x8 /* TX csum enabled */ 40 #define VENETF_RSS 0x10 /* RSS enabled */ 41 #define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ 42 #define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ 43 #define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ 44 #define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ 45 #define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ 46 #define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ 47 #define VENETF_LOOP 0x800 /* Loopback enabled */ 48 #define VENETF_FAILOVER 0x1000 /* Fabric failover enabled */ 49 #define VENETF_USPACE_NIC 0x2000 /* vHPC enabled */ 50 #define VENETF_VMQ 0x4000 /* VMQ enabled */ 51 #define VENETF_ARFS 0x8000 /* ARFS enabled */ 52 #define VENETF_VXLAN 0x10000 /* VxLAN offload */ 53 #define VENETF_NVGRE 0x20000 /* NVGRE offload */ 54 #define VENETF_GRPINTR 0x40000 /* group interrupt */ 55 #define VENETF_NICSWITCH 0x80000 /* NICSWITCH enabled */ 56 #define VENETF_RSSHASH_UDPIPV4 0x100000 /* Hash on UDP + IPv4 fields */ 57 #define VENETF_RSSHASH_UDPIPV6 0x200000 /* Hash on UDP + IPv6 fields */ 58 59 #define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */ 60 #define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */ 61 62 #define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */ 63 #define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */ 64 #define VENET_INTR_MODE_INTX 2 /* Try INTx only */ 65 66 #endif /* _VNIC_ENIC_H_ */ 67