]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/net/enic/enic.h
enic: bug fix: protect fw call i/f with spinlock
[net-next-2.6.git] / drivers / net / enic / enic.h
CommitLineData
01f2e4ea
SF
1/*
2 * Copyright 2008 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 <linux/inet_lro.h>
24
25#include "vnic_enet.h"
26#include "vnic_dev.h"
27#include "vnic_wq.h"
28#include "vnic_rq.h"
29#include "vnic_cq.h"
30#include "vnic_intr.h"
31#include "vnic_stats.h"
32#include "vnic_rss.h"
33
34#define DRV_NAME "enic"
35#define DRV_DESCRIPTION "Cisco 10G Ethernet Driver"
27e6c7d3
SF
36#define DRV_VERSION "1.1.0.100"
37#define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc"
01f2e4ea
SF
38#define PFX DRV_NAME ": "
39
40#define ENIC_LRO_MAX_DESC 8
41#define ENIC_LRO_MAX_AGGR 64
42
27e6c7d3
SF
43#define ENIC_BARS_MAX 6
44
01f2e4ea
SF
45enum enic_cq_index {
46 ENIC_CQ_RQ,
47 ENIC_CQ_WQ,
48 ENIC_CQ_MAX,
49};
50
51enum enic_intx_intr_index {
52 ENIC_INTX_WQ_RQ,
53 ENIC_INTX_ERR,
54 ENIC_INTX_NOTIFY,
55 ENIC_INTX_MAX,
56};
57
58enum enic_msix_intr_index {
59 ENIC_MSIX_RQ,
60 ENIC_MSIX_WQ,
61 ENIC_MSIX_ERR,
62 ENIC_MSIX_NOTIFY,
63 ENIC_MSIX_MAX,
64};
65
66struct enic_msix_entry {
67 int requested;
68 char devname[IFNAMSIZ];
69 irqreturn_t (*isr)(int, void *);
70 void *devid;
71};
72
73/* Per-instance private data structure */
74struct enic {
75 struct net_device *netdev;
76 struct pci_dev *pdev;
77 struct vnic_enet_config config;
27e6c7d3 78 struct vnic_dev_bar bar[ENIC_BARS_MAX];
01f2e4ea 79 struct vnic_dev *vdev;
01f2e4ea
SF
80 struct timer_list notify_timer;
81 struct work_struct reset;
82 struct msix_entry msix_entry[ENIC_MSIX_MAX];
83 struct enic_msix_entry msix[ENIC_MSIX_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 unsigned int mc_count;
89 int csum_rx_enabled;
90 u32 port_mtu;
91
92 /* work queue cache line section */
93 ____cacheline_aligned struct vnic_wq wq[1];
94 spinlock_t wq_lock[1];
95 unsigned int wq_count;
96 struct vlan_group *vlan_group;
97
98 /* receive queue cache line section */
99 ____cacheline_aligned struct vnic_rq rq[1];
100 unsigned int rq_count;
101 int (*rq_alloc_buf)(struct vnic_rq *rq);
bd9fb1a4 102 u64 rq_bad_fcs;
01f2e4ea
SF
103 struct napi_struct napi;
104 struct net_lro_mgr lro_mgr;
105 struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
106
107 /* interrupt resource cache line section */
108 ____cacheline_aligned struct vnic_intr intr[ENIC_MSIX_MAX];
109 unsigned int intr_count;
110 u32 __iomem *legacy_pba; /* memory-mapped */
111
112 /* completion queue cache line section */
113 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
114 unsigned int cq_count;
115};
116
117#endif /* _ENIC_H_ */