tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_nic.h"
33#include "vnic_rss.h"
34
35#define DRV_NAME "enic"
36#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
37#define DRV_VERSION "1.3.1.1-pp"
38#define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc"
39#define PFX DRV_NAME ": "
40
41#define ENIC_LRO_MAX_DESC 8
42#define ENIC_LRO_MAX_AGGR 64
43
44#define ENIC_BARS_MAX 6
45
46#define ENIC_WQ_MAX 8
47#define ENIC_RQ_MAX 8
48#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
49#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
50
51enum enic_cq_index {
52 ENIC_CQ_RQ,
53 ENIC_CQ_WQ,
54};
55
56enum enic_intx_intr_index {
57 ENIC_INTX_WQ_RQ,
58 ENIC_INTX_ERR,
59 ENIC_INTX_NOTIFY,
60};
61
62enum enic_msix_intr_index {
63 ENIC_MSIX_RQ,
64 ENIC_MSIX_WQ,
65 ENIC_MSIX_ERR,
66 ENIC_MSIX_NOTIFY,
67 ENIC_MSIX_MAX,
68};
69
70struct enic_msix_entry {
71 int requested;
72 char devname[IFNAMSIZ];
73 irqreturn_t (*isr)(int, void *);
74 void *devid;
75};
76
77struct enic_port_profile {
78 u8 request;
79 char name[PORT_PROFILE_MAX];
80 u8 instance_uuid[PORT_UUID_MAX];
81 u8 host_uuid[PORT_UUID_MAX];
82};
83
84/* Per-instance private data structure */
85struct enic {
86 struct net_device *netdev;
87 struct pci_dev *pdev;
88 struct vnic_enet_config config;
89 struct vnic_dev_bar bar[ENIC_BARS_MAX];
90 struct vnic_dev *vdev;
91 struct timer_list notify_timer;
92 struct work_struct reset;
93 struct msix_entry msix_entry[ENIC_MSIX_MAX];
94 struct enic_msix_entry msix[ENIC_MSIX_MAX];
95 u32 msg_enable;
96 spinlock_t devcmd_lock;
97 u8 mac_addr[ETH_ALEN];
98 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
99 unsigned int flags;
100 unsigned int mc_count;
101 int csum_rx_enabled;
102 u32 port_mtu;
103 u32 rx_coalesce_usecs;
104 u32 tx_coalesce_usecs;
105 struct enic_port_profile pp;
106
107 /* work queue cache line section */
108 ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
109 spinlock_t wq_lock[ENIC_WQ_MAX];
110 unsigned int wq_count;
111 struct vlan_group *vlan_group;
112
113 /* receive queue cache line section */
114 ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
115 unsigned int rq_count;
116 int (*rq_alloc_buf)(struct vnic_rq *rq);
117 u64 rq_truncated_pkts;
118 u64 rq_bad_fcs;
119 struct napi_struct napi;
120 struct net_lro_mgr lro_mgr;
121 struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
122
123 /* interrupt resource cache line section */
124 ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
125 unsigned int intr_count;
126 u32 __iomem *legacy_pba; /* memory-mapped */
127
128 /* completion queue cache line section */
129 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
130 unsigned int cq_count;
131};
132
133#endif /* _ENIC_H_ */