1/* 2 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 * 5 * This program is free software; you may redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; version 2 of the License. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 16 * SOFTWARE. 17 * 18 */ 19 20#ifndef _VNIC_ENIC_H_ 21#define _VNIC_ENIC_H_ 22 23/* Hardware intr coalesce timer is in units of 1.5us */ 24#define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2/3) 25#define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3/2) 26 27/* Device-specific region: enet configuration */ 28struct vnic_enet_config { 29 u32 flags; 30 u32 wq_desc_count; 31 u32 rq_desc_count; 32 u16 mtu; 33 u16 intr_timer; 34 u8 intr_timer_type; 35 u8 intr_mode; 36 char devname[16]; 37 u32 intr_timer_usec; 38 u16 loop_tag; 39}; 40 41#define VENETF_TSO 0x1 /* TSO enabled */ 42#define VENETF_LRO 0x2 /* LRO enabled */ 43#define VENETF_RXCSUM 0x4 /* RX csum enabled */ 44#define VENETF_TXCSUM 0x8 /* TX csum enabled */ 45#define VENETF_RSS 0x10 /* RSS enabled */ 46#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ 47#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ 48#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ 49#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ 50#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ 51#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ 52#define VENETF_LOOP 0x800 /* Loopback enabled */ 53 54#endif /* _VNIC_ENIC_H_ */ 55