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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#ifndef _VNIC_ENIC_H_
#define _VNIC_ENIC_H_
/* Hardware intr coalesce timer is in units of 1.5us */
#define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2 / 3)
#define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3 / 2)
/* Device-specific region: enet configuration */
struct vnic_enet_config {
u32 flags;
u32 wq_desc_count;
u32 rq_desc_count;
u16 mtu;
u16 intr_timer_deprecated;
u8 intr_timer_type;
u8 intr_mode;
char devname[16];
u32 intr_timer_usec;
u16 loop_tag;
u16 vf_rq_count;
u16 num_arfs;
u64 mem_paddr;
u16 rdma_qp_id;
u16 rdma_qp_count;
u16 rdma_resgrp;
u32 rdma_mr_id;
u32 rdma_mr_count;
u32 max_pkt_size;
};
#define VENETF_TSO 0x1 /* TSO enabled */
#define VENETF_LRO 0x2 /* LRO enabled */
#define VENETF_RXCSUM 0x4 /* RX csum enabled */
#define VENETF_TXCSUM 0x8 /* TX csum enabled */
#define VENETF_RSS 0x10 /* RSS enabled */
#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */
#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */
#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */
#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */
#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */
#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */
#define VENETF_LOOP 0x800 /* Loopback enabled */
#define VENETF_FAILOVER 0x1000 /* Fabric failover enabled */
#define VENETF_USPACE_NIC 0x2000 /* vHPC enabled */
#define VENETF_VMQ 0x4000 /* VMQ enabled */
#define VENETF_ARFS 0x8000 /* ARFS enabled */
#define VENETF_VXLAN 0x10000 /* VxLAN offload */
#define VENETF_NVGRE 0x20000 /* NVGRE offload */
#define VENETF_GRPINTR 0x40000 /* group interrupt */
#define VENETF_NICSWITCH 0x80000 /* NICSWITCH enabled */
#define VENETF_RSSHASH_UDPIPV4 0x100000 /* Hash on UDP + IPv4 fields */
#define VENETF_RSSHASH_UDPIPV6 0x200000 /* Hash on UDP + IPv6 fields */
#define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */
#define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */
#define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */
#define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */
#define VENET_INTR_MODE_INTX 2 /* Try INTx only */
#endif /* _VNIC_ENIC_H_ */
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