upt1_defs.h

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/*
 * Linux driver for VMware's vmxnet3 ethernet NIC.
 *
 * Copyright (C) 2008-2009, 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: Shreyas Bhatewara <[email protected]>
 *
 */

#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),
};
#endif