vnic_enet.h

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/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may 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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#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;
};

#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 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_ */