Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 1 | /* |
Vasanthy Kolluri | 29046f9 | 2010-06-24 10:52:26 +0000 | [diff] [blame] | 2 | * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 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 | |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 23 | #include "vnic_enet.h" |
| 24 | #include "vnic_dev.h" |
| 25 | #include "vnic_wq.h" |
| 26 | #include "vnic_rq.h" |
| 27 | #include "vnic_cq.h" |
| 28 | #include "vnic_intr.h" |
| 29 | #include "vnic_stats.h" |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame] | 30 | #include "vnic_nic.h" |
Vasanthy Kolluri | 717258b | 2010-10-20 10:16:59 +0000 | [diff] [blame] | 31 | #include "vnic_rss.h" |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 32 | |
| 33 | #define DRV_NAME "enic" |
Vasanthy Kolluri | 641cb85 | 2010-03-18 16:20:04 +0000 | [diff] [blame] | 34 | #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" |
govindarajulu.v | 001e1c1 | 2013-09-04 11:17:18 +0530 | [diff] [blame^] | 35 | #define DRV_VERSION "2.1.1.50" |
Neel Patel | 92e2b46 | 2013-08-16 15:47:39 -0700 | [diff] [blame] | 36 | #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc" |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 37 | |
Scott Feldman | 27e6c7d | 2009-09-03 17:01:53 +0000 | [diff] [blame] | 38 | #define ENIC_BARS_MAX 6 |
| 39 | |
govindarajulu.v | 822473b | 2013-09-04 11:17:14 +0530 | [diff] [blame] | 40 | #define ENIC_WQ_MAX 8 |
Neel Patel | 63da93d | 2012-02-03 08:25:14 +0000 | [diff] [blame] | 41 | #define ENIC_RQ_MAX 8 |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame] | 42 | #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) |
| 43 | #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) |
| 44 | |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 45 | struct enic_msix_entry { |
| 46 | int requested; |
| 47 | char devname[IFNAMSIZ]; |
| 48 | irqreturn_t (*isr)(int, void *); |
| 49 | void *devid; |
| 50 | }; |
| 51 | |
Roopa Prabhu | 8749b42 | 2011-09-22 03:44:33 +0000 | [diff] [blame] | 52 | /* priv_flags */ |
| 53 | #define ENIC_SRIOV_ENABLED (1 << 0) |
| 54 | |
| 55 | /* enic port profile set flags */ |
Roopa Prabhu | 4dce239 | 2011-01-20 14:35:54 +0000 | [diff] [blame] | 56 | #define ENIC_PORT_REQUEST_APPLIED (1 << 0) |
Scott Feldman | 08f382e | 2010-06-01 08:59:33 +0000 | [diff] [blame] | 57 | #define ENIC_SET_REQUEST (1 << 1) |
| 58 | #define ENIC_SET_NAME (1 << 2) |
| 59 | #define ENIC_SET_INSTANCE (1 << 3) |
| 60 | #define ENIC_SET_HOST (1 << 4) |
| 61 | |
Scott Feldman | f8bd909 | 2010-05-17 22:50:19 -0700 | [diff] [blame] | 62 | struct enic_port_profile { |
Scott Feldman | 08f382e | 2010-06-01 08:59:33 +0000 | [diff] [blame] | 63 | u32 set; |
Scott Feldman | f8bd909 | 2010-05-17 22:50:19 -0700 | [diff] [blame] | 64 | u8 request; |
| 65 | char name[PORT_PROFILE_MAX]; |
| 66 | u8 instance_uuid[PORT_UUID_MAX]; |
| 67 | u8 host_uuid[PORT_UUID_MAX]; |
Roopa Prabhu | 0b1c00f | 2010-12-08 13:53:58 +0000 | [diff] [blame] | 68 | u8 vf_mac[ETH_ALEN]; |
Roopa Prabhu | 2963905 | 2010-12-08 13:54:03 +0000 | [diff] [blame] | 69 | u8 mac_addr[ETH_ALEN]; |
Scott Feldman | f8bd909 | 2010-05-17 22:50:19 -0700 | [diff] [blame] | 70 | }; |
| 71 | |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 72 | /* Per-instance private data structure */ |
| 73 | struct enic { |
| 74 | struct net_device *netdev; |
| 75 | struct pci_dev *pdev; |
| 76 | struct vnic_enet_config config; |
Scott Feldman | 27e6c7d | 2009-09-03 17:01:53 +0000 | [diff] [blame] | 77 | struct vnic_dev_bar bar[ENIC_BARS_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 78 | struct vnic_dev *vdev; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 79 | struct timer_list notify_timer; |
| 80 | struct work_struct reset; |
Roopa Prabhu | c97c894 | 2011-06-03 14:35:17 +0000 | [diff] [blame] | 81 | struct work_struct change_mtu_work; |
Vasanthy Kolluri | 717258b | 2010-10-20 10:16:59 +0000 | [diff] [blame] | 82 | struct msix_entry msix_entry[ENIC_INTR_MAX]; |
| 83 | struct enic_msix_entry msix[ENIC_INTR_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 84 | u32 msg_enable; |
| 85 | spinlock_t devcmd_lock; |
| 86 | u8 mac_addr[ETH_ALEN]; |
| 87 | u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; |
Roopa Prabhu | 319d7e8 | 2010-12-08 13:19:58 +0000 | [diff] [blame] | 88 | u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN]; |
Scott Feldman | 9959a18 | 2009-12-23 13:27:43 +0000 | [diff] [blame] | 89 | unsigned int flags; |
Roopa Prabhu | 8749b42 | 2011-09-22 03:44:33 +0000 | [diff] [blame] | 90 | unsigned int priv_flags; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 91 | unsigned int mc_count; |
Roopa Prabhu | 319d7e8 | 2010-12-08 13:19:58 +0000 | [diff] [blame] | 92 | unsigned int uc_count; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 93 | u32 port_mtu; |
Scott Feldman | 7c84459 | 2009-12-23 13:27:54 +0000 | [diff] [blame] | 94 | u32 rx_coalesce_usecs; |
| 95 | u32 tx_coalesce_usecs; |
Roopa Prabhu | 8749b42 | 2011-09-22 03:44:33 +0000 | [diff] [blame] | 96 | #ifdef CONFIG_PCI_IOV |
Dan Carpenter | 413708b | 2012-02-29 21:19:54 +0000 | [diff] [blame] | 97 | u16 num_vfs; |
Roopa Prabhu | 8749b42 | 2011-09-22 03:44:33 +0000 | [diff] [blame] | 98 | #endif |
Neel Patel | 0b03856 | 2013-08-16 15:47:40 -0700 | [diff] [blame] | 99 | spinlock_t enic_api_lock; |
Roopa Prabhu | 3f19279 | 2011-09-22 03:44:43 +0000 | [diff] [blame] | 100 | struct enic_port_profile *pp; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 101 | |
| 102 | /* work queue cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame] | 103 | ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; |
| 104 | spinlock_t wq_lock[ENIC_WQ_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 105 | unsigned int wq_count; |
Vasanthy Kolluri | 1825aca | 2010-06-24 10:51:59 +0000 | [diff] [blame] | 106 | u16 loop_enable; |
| 107 | u16 loop_tag; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 108 | |
| 109 | /* receive queue cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame] | 110 | ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 111 | unsigned int rq_count; |
Scott Feldman | 350991e | 2009-09-03 17:02:19 +0000 | [diff] [blame] | 112 | u64 rq_truncated_pkts; |
Scott Feldman | bd9fb1a | 2009-02-09 23:24:08 -0800 | [diff] [blame] | 113 | u64 rq_bad_fcs; |
Vasanthy Kolluri | 717258b | 2010-10-20 10:16:59 +0000 | [diff] [blame] | 114 | struct napi_struct napi[ENIC_RQ_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 115 | |
| 116 | /* interrupt resource cache line section */ |
Scott Feldman | 6ba9cdc | 2009-09-03 17:02:24 +0000 | [diff] [blame] | 117 | ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 118 | unsigned int intr_count; |
| 119 | u32 __iomem *legacy_pba; /* memory-mapped */ |
| 120 | |
| 121 | /* completion queue cache line section */ |
| 122 | ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; |
| 123 | unsigned int cq_count; |
| 124 | }; |
| 125 | |
Vasanthy Kolluri | a7a79de | 2010-06-24 10:50:56 +0000 | [diff] [blame] | 126 | static inline struct device *enic_get_dev(struct enic *enic) |
| 127 | { |
| 128 | return &(enic->pdev->dev); |
| 129 | } |
| 130 | |
Neel Patel | f13bbc2 | 2013-07-22 09:59:18 -0700 | [diff] [blame] | 131 | static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq) |
| 132 | { |
| 133 | return rq; |
| 134 | } |
| 135 | |
| 136 | static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) |
| 137 | { |
| 138 | return enic->rq_count + wq; |
| 139 | } |
| 140 | |
| 141 | static inline unsigned int enic_legacy_io_intr(void) |
| 142 | { |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | static inline unsigned int enic_legacy_err_intr(void) |
| 147 | { |
| 148 | return 1; |
| 149 | } |
| 150 | |
| 151 | static inline unsigned int enic_legacy_notify_intr(void) |
| 152 | { |
| 153 | return 2; |
| 154 | } |
| 155 | |
| 156 | static inline unsigned int enic_msix_rq_intr(struct enic *enic, |
| 157 | unsigned int rq) |
| 158 | { |
| 159 | return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset; |
| 160 | } |
| 161 | |
| 162 | static inline unsigned int enic_msix_wq_intr(struct enic *enic, |
| 163 | unsigned int wq) |
| 164 | { |
| 165 | return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset; |
| 166 | } |
| 167 | |
| 168 | static inline unsigned int enic_msix_err_intr(struct enic *enic) |
| 169 | { |
| 170 | return enic->rq_count + enic->wq_count; |
| 171 | } |
| 172 | |
| 173 | static inline unsigned int enic_msix_notify_intr(struct enic *enic) |
| 174 | { |
| 175 | return enic->rq_count + enic->wq_count + 1; |
| 176 | } |
| 177 | |
Roopa Prabhu | b3abfbd | 2011-03-29 20:36:07 +0000 | [diff] [blame] | 178 | void enic_reset_addr_lists(struct enic *enic); |
Roopa Prabhu | 8749b42 | 2011-09-22 03:44:33 +0000 | [diff] [blame] | 179 | int enic_sriov_enabled(struct enic *enic); |
Roopa Prabhu | 889d13f | 2011-09-22 03:44:38 +0000 | [diff] [blame] | 180 | int enic_is_valid_vf(struct enic *enic, int vf); |
Roopa Prabhu | 3f19279 | 2011-09-22 03:44:43 +0000 | [diff] [blame] | 181 | int enic_is_dynamic(struct enic *enic); |
Neel Patel | f13bbc2 | 2013-07-22 09:59:18 -0700 | [diff] [blame] | 182 | void enic_set_ethtool_ops(struct net_device *netdev); |
Roopa Prabhu | b3abfbd | 2011-03-29 20:36:07 +0000 | [diff] [blame] | 183 | |
Scott Feldman | 01f2e4e | 2008-09-15 09:17:11 -0700 | [diff] [blame] | 184 | #endif /* _ENIC_H_ */ |