/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 */

#ifndef _VNIC_ENIC_H_
#define _VNIC_ENIC_H_

/* 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;
        u8 reserved[66];
        u32 max_rq_ring;        // MAX RQ ring size
        u32 max_wq_ring;        // MAX WQ ring size
        u32 max_cq_ring;        // MAX CQ ring size
        u32 rdma_rsvd_lkey;     // Reserved (privileged) LKey
};

#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_VXLAN            0x10000 /* VxLAN offload */

#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_ */