1 /*
2  * Copyright 2008-2018 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  *
5  * LICENSE_BEGIN
6  *
7  * This software is available to you under a choice of one of two
8  * licenses.  You may choose to be licensed under the terms of the GNU
9  * General Public License (GPL) Version 2, available from the file
10  * COPYING in the main directory of this source tree, or the
11  * BSD license below:
12  *
13  *     Redistribution and use in source and binary forms, with or
14  *     without modification, are permitted provided that the following
15  *     conditions are met:
16  *
17  *      - Redistributions of source code must retain the above
18  *        copyright notice, this list of conditions and the following
19  *        disclaimer.
20  *
21  *      - Redistributions in binary form must reproduce the above
22  *        copyright notice, this list of conditions and the following
23  *        disclaimer in the documentation and/or other materials
24  *        provided with the distribution.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
29  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
30  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
31  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
32  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
33  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
34  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  *
39  * LICENSE_END
40  *
41  *
42  */
43 
44 #ifndef _VNIC_ENIC_H_
45 #define _VNIC_ENIC_H_
46 
47 /* Device-specific region: enet configuration */
48 struct vnic_enet_config {
49 	u32 flags;
50 	u32 wq_desc_count;
51 	u32 rq_desc_count;
52 	u16 mtu;
53 	u16 intr_timer_deprecated;
54 	u8 intr_timer_type;
55 	u8 intr_mode;
56 	char devname[16];
57 	u32 intr_timer_usec;
58 	u16 loop_tag;
59 	u16 vf_rq_count;
60 	u16 num_arfs;
61 	u64 mem_paddr;
62 };
63 
64 #define VENETF_TSO		0x1	/* TSO enabled */
65 #define VENETF_LRO		0x2	/* LRO enabled */
66 #define VENETF_RXCSUM		0x4	/* RX csum enabled */
67 #define VENETF_TXCSUM		0x8	/* TX csum enabled */
68 #define VENETF_RSS		0x10	/* RSS enabled */
69 #define VENETF_RSSHASH_IPV4	0x20	/* Hash on IPv4 fields */
70 #define VENETF_RSSHASH_TCPIPV4	0x40	/* Hash on TCP + IPv4 fields */
71 #define VENETF_RSSHASH_IPV6	0x80	/* Hash on IPv6 fields */
72 #define VENETF_RSSHASH_TCPIPV6	0x100	/* Hash on TCP + IPv6 fields */
73 #define VENETF_RSSHASH_IPV6_EX	0x200	/* Hash on IPv6 extended fields */
74 #define VENETF_RSSHASH_TCPIPV6_EX 0x400	/* Hash on TCP + IPv6 ext. fields */
75 #define VENETF_LOOP		0x800	/* Loopback enabled */
76 #define VENETF_VMQ		0x4000  /* using VMQ flag for VMware NETQ */
77 #define VENETF_VXLAN    0x10000 /* VxLAN offload */
78 #define VENETF_NVGRE    0x20000 /* NVGRE offload */
79 #define VENET_INTR_TYPE_MIN	0	/* Timer specs min interrupt spacing */
80 #define VENET_INTR_TYPE_IDLE	1	/* Timer specs idle time before irq */
81 
82 #define VENET_INTR_MODE_ANY	0	/* Try MSI-X, then MSI, then INTx */
83 #define VENET_INTR_MODE_MSI	1	/* Try MSI then INTx */
84 #define VENET_INTR_MODE_INTX	2	/* Try INTx only */
85 
86 #endif /* _VNIC_ENIC_H_ */
87