vnic_enet.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 4 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 5 */
 6
 7#ifndef _VNIC_ENIC_H_
 8#define _VNIC_ENIC_H_
 9
10/* Device-specific region: enet configuration */
11struct vnic_enet_config {
12	u32 flags;
13	u32 wq_desc_count;
14	u32 rq_desc_count;
15	u16 mtu;
16	u16 intr_timer_deprecated;
17	u8 intr_timer_type;
18	u8 intr_mode;
19	char devname[16];
20	u32 intr_timer_usec;
21	u16 loop_tag;
22	u16 vf_rq_count;
23	u16 num_arfs;
24	u8 reserved[66];
25	u32 max_rq_ring;	// MAX RQ ring size
26	u32 max_wq_ring;	// MAX WQ ring size
27	u32 max_cq_ring;	// MAX CQ ring size
28	u32 rdma_rsvd_lkey;	// Reserved (privileged) LKey
29};
30
31#define VENETF_TSO		0x1	/* TSO enabled */
32#define VENETF_LRO		0x2	/* LRO enabled */
33#define VENETF_RXCSUM		0x4	/* RX csum enabled */
34#define VENETF_TXCSUM		0x8	/* TX csum enabled */
35#define VENETF_RSS		0x10	/* RSS enabled */
36#define VENETF_RSSHASH_IPV4	0x20	/* Hash on IPv4 fields */
37#define VENETF_RSSHASH_TCPIPV4	0x40	/* Hash on TCP + IPv4 fields */
38#define VENETF_RSSHASH_IPV6	0x80	/* Hash on IPv6 fields */
39#define VENETF_RSSHASH_TCPIPV6	0x100	/* Hash on TCP + IPv6 fields */
40#define VENETF_RSSHASH_IPV6_EX	0x200	/* Hash on IPv6 extended fields */
41#define VENETF_RSSHASH_TCPIPV6_EX 0x400	/* Hash on TCP + IPv6 ext. fields */
42#define VENETF_LOOP		0x800	/* Loopback enabled */
43#define VENETF_VXLAN		0x10000	/* VxLAN offload */
44
45#define VENET_INTR_TYPE_MIN	0	/* Timer specs min interrupt spacing */
46#define VENET_INTR_TYPE_IDLE	1	/* Timer specs idle time before irq */
47
48#define VENET_INTR_MODE_ANY	0	/* Try MSI-X, then MSI, then INTx */
49#define VENET_INTR_MODE_MSI	1	/* Try MSI then INTx */
50#define VENET_INTR_MODE_INTX	2	/* Try INTx only */
51
52#endif /* _VNIC_ENIC_H_ */