2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
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.
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
23 #include "vnic_enet.h"
28 #include "vnic_intr.h"
29 #include "vnic_stats.h"
33 #define DRV_NAME "enic"
34 #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
35 #define DRV_VERSION "1.4.1.1"
36 #define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc"
37 #define PFX DRV_NAME ": "
39 #define ENIC_BARS_MAX 6
43 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
44 #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
51 enum enic_intx_intr_index {
57 enum enic_msix_intr_index {
65 struct enic_msix_entry {
67 char devname[IFNAMSIZ];
68 irqreturn_t (*isr)(int, void *);
72 #define ENIC_SET_APPLIED (1 << 0)
73 #define ENIC_SET_REQUEST (1 << 1)
74 #define ENIC_SET_NAME (1 << 2)
75 #define ENIC_SET_INSTANCE (1 << 3)
76 #define ENIC_SET_HOST (1 << 4)
78 struct enic_port_profile {
81 char name[PORT_PROFILE_MAX];
82 u8 instance_uuid[PORT_UUID_MAX];
83 u8 host_uuid[PORT_UUID_MAX];
86 /* Per-instance private data structure */
88 struct net_device *netdev;
90 struct vnic_enet_config config;
91 struct vnic_dev_bar bar[ENIC_BARS_MAX];
92 struct vnic_dev *vdev;
93 struct timer_list notify_timer;
94 struct work_struct reset;
95 struct msix_entry msix_entry[ENIC_MSIX_MAX];
96 struct enic_msix_entry msix[ENIC_MSIX_MAX];
98 spinlock_t devcmd_lock;
99 u8 mac_addr[ETH_ALEN];
100 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
102 unsigned int mc_count;
105 u32 rx_coalesce_usecs;
106 u32 tx_coalesce_usecs;
107 struct enic_port_profile pp;
109 /* work queue cache line section */
110 ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
111 spinlock_t wq_lock[ENIC_WQ_MAX];
112 unsigned int wq_count;
113 struct vlan_group *vlan_group;
115 /* receive queue cache line section */
116 ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
117 unsigned int rq_count;
118 int (*rq_alloc_buf)(struct vnic_rq *rq);
119 u64 rq_truncated_pkts;
121 struct napi_struct napi;
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 */
128 /* completion queue cache line section */
129 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
130 unsigned int cq_count;
133 #endif /* _ENIC_H_ */