xref: /linux/drivers/net/ethernet/cisco/enic/vnic_enet.h (revision 95298d63c67673c654c08952672d016212b26054)
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_ */
61