/*
 * Linux driver for VMware's vmxnet3 ethernet NIC.
 *
 * Copyright (C) 2008-2022, VMware, Inc. All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; version 2 of the License and no later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 * NON INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Maintained by: pv-drivers@vmware.com
 *
 */

#ifndef _UPT1_DEFS_H
#define _UPT1_DEFS_H

struct UPT1_TxStats {
        u64                     TSOPktsTxOK;  /* TSO pkts post-segmentation */
        u64                     TSOBytesTxOK;
        u64                     ucastPktsTxOK;
        u64                     ucastBytesTxOK;
        u64                     mcastPktsTxOK;
        u64                     mcastBytesTxOK;
        u64                     bcastPktsTxOK;
        u64                     bcastBytesTxOK;
        u64                     pktsTxError;
        u64                     pktsTxDiscard;
};

struct UPT1_RxStats {
        u64                     LROPktsRxOK;    /* LRO pkts */
        u64                     LROBytesRxOK;   /* bytes from LRO pkts */
        /* the following counters are for pkts from the wire, i.e., pre-LRO */
        u64                     ucastPktsRxOK;
        u64                     ucastBytesRxOK;
        u64                     mcastPktsRxOK;
        u64                     mcastBytesRxOK;
        u64                     bcastPktsRxOK;
        u64                     bcastBytesRxOK;
        u64                     pktsRxOutOfBuf;
        u64                     pktsRxError;
};

/* interrupt moderation level */
enum {
        UPT1_IML_NONE           = 0, /* no interrupt moderation */
        UPT1_IML_HIGHEST        = 7, /* least intr generated */
        UPT1_IML_ADAPTIVE       = 8, /* adpative intr moderation */
};
/* values for UPT1_RSSConf.hashFunc */
enum {
        UPT1_RSS_HASH_TYPE_NONE      = 0x0,
        UPT1_RSS_HASH_TYPE_IPV4      = 0x01,
        UPT1_RSS_HASH_TYPE_TCP_IPV4  = 0x02,
        UPT1_RSS_HASH_TYPE_IPV6      = 0x04,
        UPT1_RSS_HASH_TYPE_TCP_IPV6  = 0x08,
};

enum {
        UPT1_RSS_HASH_FUNC_NONE      = 0x0,
        UPT1_RSS_HASH_FUNC_TOEPLITZ  = 0x01,
};

#define UPT1_RSS_MAX_KEY_SIZE        40
#define UPT1_RSS_MAX_IND_TABLE_SIZE  128

struct UPT1_RSSConf {
        u16                     hashType;
        u16                     hashFunc;
        u16                     hashKeySize;
        u16                     indTableSize;
        u8                      hashKey[UPT1_RSS_MAX_KEY_SIZE];
        u8                      indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
};

/* features */
enum {
        UPT1_F_RXCSUM           = cpu_to_le64(0x0001),   /* rx csum verification */
        UPT1_F_RSS              = cpu_to_le64(0x0002),
        UPT1_F_RXVLAN           = cpu_to_le64(0x0004),   /* VLAN tag stripping */
        UPT1_F_LRO              = cpu_to_le64(0x0008),
        UPT1_F_RXINNEROFLD      = cpu_to_le64(0x00010),  /* Geneve/Vxlan rx csum
                                                          * offloading
                                                          */
};
#endif