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 <linux/inet_lro.h>
25 #include "vnic_enet.h"
30 #include "vnic_intr.h"
31 #include "vnic_stats.h"
35 #define DRV_NAME "enic"
36 #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
37 #define DRV_VERSION "1.3.1.1"
38 #define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc"
39 #define PFX DRV_NAME ": "
41 #define ENIC_LRO_MAX_DESC 8
42 #define ENIC_LRO_MAX_AGGR 64
44 #define ENIC_BARS_MAX 6
48 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
49 #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
56 enum enic_intx_intr_index {
62 enum enic_msix_intr_index {
70 struct enic_msix_entry {
72 char devname[IFNAMSIZ];
73 irqreturn_t (*isr)(int, void *);
77 /* Per-instance private data structure */
79 struct net_device *netdev;
81 struct vnic_enet_config config;
82 struct vnic_dev_bar bar[ENIC_BARS_MAX];
83 struct vnic_dev *vdev;
84 struct timer_list notify_timer;
85 struct work_struct reset;
86 struct msix_entry msix_entry[ENIC_MSIX_MAX];
87 struct enic_msix_entry msix[ENIC_MSIX_MAX];
89 spinlock_t devcmd_lock;
90 u8 mac_addr[ETH_ALEN];
91 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
93 unsigned int mc_count;
96 u32 rx_coalesce_usecs;
97 u32 tx_coalesce_usecs;
99 /* work queue cache line section */
100 ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
101 spinlock_t wq_lock[ENIC_WQ_MAX];
102 unsigned int wq_count;
103 struct vlan_group *vlan_group;
105 /* receive queue cache line section */
106 ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
107 unsigned int rq_count;
108 int (*rq_alloc_buf)(struct vnic_rq *rq);
109 u64 rq_truncated_pkts;
111 struct napi_struct napi;
112 struct net_lro_mgr lro_mgr;
113 struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
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 */
120 /* completion queue cache line section */
121 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
122 unsigned int cq_count;
125 #endif /* _ENIC_H_ */