Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 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" |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame^] | 32 | #include "vnic_nic.h" |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 33 | #include "vnic_rss.h" |
| 34 | |
| 35 | #define DRV_NAME "enic" |
| 36 | #define DRV_DESCRIPTION "Cisco 10G Ethernet Driver" |
Scott Feldman | 27e6c7d | 2009-09-03 17:01:53 +0000 | [diff] [blame] | 37 | #define DRV_VERSION "1.1.0.100" |
| 38 | #define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc" |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 39 | #define PFX DRV_NAME ": " |
| 40 | |
| 41 | #define ENIC_LRO_MAX_DESC 8 |
| 42 | #define ENIC_LRO_MAX_AGGR 64 |
| 43 | |
Scott Feldman | 27e6c7d | 2009-09-03 17:01:53 +0000 | [diff] [blame] | 44 | #define ENIC_BARS_MAX 6 |
| 45 | |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame^] | 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 | |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 51 | enum enic_cq_index { |
| 52 | ENIC_CQ_RQ, |
| 53 | ENIC_CQ_WQ, |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 54 | }; |
| 55 | |
| 56 | enum enic_intx_intr_index { |
| 57 | ENIC_INTX_WQ_RQ, |
| 58 | ENIC_INTX_ERR, |
| 59 | ENIC_INTX_NOTIFY, |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | enum 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 | |
| 70 | struct enic_msix_entry { |
| 71 | int requested; |
| 72 | char devname[IFNAMSIZ]; |
| 73 | irqreturn_t (*isr)(int, void *); |
| 74 | void *devid; |
| 75 | }; |
| 76 | |
| 77 | /* Per-instance private data structure */ |
| 78 | struct enic { |
| 79 | struct net_device *netdev; |
| 80 | struct pci_dev *pdev; |
| 81 | struct vnic_enet_config config; |
Scott Feldman | 27e6c7d | 2009-09-03 17:01:53 +0000 | [diff] [blame] | 82 | struct vnic_dev_bar bar[ENIC_BARS_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 83 | struct vnic_dev *vdev; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 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]; |
| 88 | u32 msg_enable; |
| 89 | spinlock_t devcmd_lock; |
| 90 | u8 mac_addr[ETH_ALEN]; |
| 91 | u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; |
| 92 | unsigned int mc_count; |
| 93 | int csum_rx_enabled; |
| 94 | u32 port_mtu; |
| 95 | |
| 96 | /* work queue cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame^] | 97 | ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; |
| 98 | spinlock_t wq_lock[ENIC_WQ_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 99 | unsigned int wq_count; |
| 100 | struct vlan_group *vlan_group; |
| 101 | |
| 102 | /* receive queue cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame^] | 103 | ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 104 | unsigned int rq_count; |
| 105 | int (*rq_alloc_buf)(struct vnic_rq *rq); |
Scott Feldman | 350991e | 2009-09-03 17:02:19 +0000 | [diff] [blame] | 106 | u64 rq_truncated_pkts; |
Scott Feldman | bd9fb1a | 2009-02-09 23:24:08 -0800 | [diff] [blame] | 107 | u64 rq_bad_fcs; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 108 | struct napi_struct napi; |
| 109 | struct net_lro_mgr lro_mgr; |
| 110 | struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC]; |
| 111 | |
| 112 | /* interrupt resource cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame^] | 113 | ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 114 | unsigned int intr_count; |
| 115 | u32 __iomem *legacy_pba; /* memory-mapped */ |
| 116 | |
| 117 | /* completion queue cache line section */ |
| 118 | ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; |
| 119 | unsigned int cq_count; |
| 120 | }; |
| 121 | |
| 122 | #endif /* _ENIC_H_ */ |