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 /* Device-specific region: enet configuration */
24 struct vnic_enet_config {
25 u32 flags;
26 u32 wq_desc_count;
27 u32 rq_desc_count;
28 u16 mtu;
29 u16 intr_timer_deprecated;
30 u8 intr_timer_type;
31 u8 intr_mode;
32 char devname[16];
33 u32 intr_timer_usec;
34 u16 loop_tag;
35 u16 vf_rq_count;
36 u16 num_arfs;
37 };
38
39 #define VENETF_TSO 0x1 /* TSO enabled */
40 #define VENETF_LRO 0x2 /* LRO enabled */
41 #define VENETF_RXCSUM 0x4 /* RX csum enabled */
42 #define VENETF_TXCSUM 0x8 /* TX csum enabled */
43 #define VENETF_RSS 0x10 /* RSS enabled */
44 #define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */
45 #define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */
46 #define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */
47 #define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */
48 #define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */
49 #define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */
50 #define VENETF_LOOP 0x800 /* Loopback enabled */
51 #define VENETF_VXLAN 0x10000 /* VxLAN offload */
52
53 #define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */
54 #define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */
55
56 #define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */
57 #define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */
58 #define VENET_INTR_MODE_INTX 2 /* Try INTx only */
59
60 #endif /* _VNIC_ENIC_H_ */