enic.h revision 413708bbaf5c85c4c8a264145f7d6c3afcd97f99 
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 _ENIC_H_
21#define _ENIC_H_
22
23#include "vnic_enet.h"
24#include "vnic_dev.h"
25#include "vnic_wq.h"
26#include "vnic_rq.h"
27#include "vnic_cq.h"
28#include "vnic_intr.h"
29#include "vnic_stats.h"
30#include "vnic_nic.h"
31#include "vnic_rss.h"
32
33#define DRV_NAME		"enic"
34#define DRV_DESCRIPTION		"Cisco VIC Ethernet NIC Driver"
35#define DRV_VERSION		"2.1.1.31"
36#define DRV_COPYRIGHT		"Copyright 2008-2011 Cisco Systems, Inc"
37
38#define ENIC_BARS_MAX		6
39
40#define ENIC_WQ_MAX		1
41#define ENIC_RQ_MAX		1
42#define ENIC_CQ_MAX		(ENIC_WQ_MAX + ENIC_RQ_MAX)
43#define ENIC_INTR_MAX		(ENIC_CQ_MAX + 2)
44
45struct enic_msix_entry {
46	int requested;
47	char devname[IFNAMSIZ];
48	irqreturn_t (*isr)(int, void *);
49	void *devid;
50};
51
52/* priv_flags */
53#define ENIC_SRIOV_ENABLED		(1 << 0)
54
55/* enic port profile set flags */
56#define ENIC_PORT_REQUEST_APPLIED	(1 << 0)
57#define ENIC_SET_REQUEST		(1 << 1)
58#define ENIC_SET_NAME			(1 << 2)
59#define ENIC_SET_INSTANCE		(1 << 3)
60#define ENIC_SET_HOST			(1 << 4)
61
62struct enic_port_profile {
63	u32 set;
64	u8 request;
65	char name[PORT_PROFILE_MAX];
66	u8 instance_uuid[PORT_UUID_MAX];
67	u8 host_uuid[PORT_UUID_MAX];
68	u8 vf_mac[ETH_ALEN];
69	u8 mac_addr[ETH_ALEN];
70};
71
72/* Per-instance private data structure */
73struct enic {
74	struct net_device *netdev;
75	struct pci_dev *pdev;
76	struct vnic_enet_config config;
77	struct vnic_dev_bar bar[ENIC_BARS_MAX];
78	struct vnic_dev *vdev;
79	struct timer_list notify_timer;
80	struct work_struct reset;
81	struct work_struct change_mtu_work;
82	struct msix_entry msix_entry[ENIC_INTR_MAX];
83	struct enic_msix_entry msix[ENIC_INTR_MAX];
84	u32 msg_enable;
85	spinlock_t devcmd_lock;
86	u8 mac_addr[ETH_ALEN];
87	u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
88	u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
89	unsigned int flags;
90	unsigned int priv_flags;
91	unsigned int mc_count;
92	unsigned int uc_count;
93	u32 port_mtu;
94	u32 rx_coalesce_usecs;
95	u32 tx_coalesce_usecs;
96#ifdef CONFIG_PCI_IOV
97	u16 num_vfs;
98#endif
99	struct enic_port_profile *pp;
100
101	/* work queue cache line section */
102	____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
103	spinlock_t wq_lock[ENIC_WQ_MAX];
104	unsigned int wq_count;
105	u16 loop_enable;
106	u16 loop_tag;
107
108	/* receive queue cache line section */
109	____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
110	unsigned int rq_count;
111	u64 rq_truncated_pkts;
112	u64 rq_bad_fcs;
113	struct napi_struct napi[ENIC_RQ_MAX];
114
115	/* interrupt resource cache line section */
116	____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
117	unsigned int intr_count;
118	u32 __iomem *legacy_pba;		/* memory-mapped */
119
120	/* completion queue cache line section */
121	____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
122	unsigned int cq_count;
123};
124
125static inline struct device *enic_get_dev(struct enic *enic)
126{
127	return &(enic->pdev->dev);
128}
129
130void enic_reset_addr_lists(struct enic *enic);
131int enic_sriov_enabled(struct enic *enic);
132int enic_is_valid_vf(struct enic *enic, int vf);
133int enic_is_dynamic(struct enic *enic);
134
135#endif /* _ENIC_H_ */
136