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-pp"
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 struct enic_port_profile {
79 char name[PORT_PROFILE_MAX];
80 u8 instance_uuid[PORT_UUID_MAX];
81 u8 host_uuid[PORT_UUID_MAX];
84 /* Per-instance private data structure */
86 struct net_device *netdev;
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];
96 spinlock_t devcmd_lock;
97 u8 mac_addr[ETH_ALEN];
98 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
100 unsigned int mc_count;
103 u32 rx_coalesce_usecs;
104 u32 tx_coalesce_usecs;
105 struct enic_port_profile pp;
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;
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;
119 struct napi_struct napi;
120 struct net_lro_mgr lro_mgr;
121 struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC];
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_ */