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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_
/* 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;
};
#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_ */
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