1/* 2 * Copyright 2008-2010 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 "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" 30#include "vnic_nic.h" 31#include "vnic_rss.h" 32 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 2008-2010 Cisco Systems, Inc" 37 38#define ENIC_BARS_MAX 6 39 40#define ENIC_WQ_MAX 8 41#define ENIC_RQ_MAX 8 42#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) 43#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) 44 45enum enic_cq_index { 46 ENIC_CQ_RQ, 47 ENIC_CQ_WQ, 48}; 49 50enum enic_intx_intr_index { 51 ENIC_INTX_WQ_RQ, 52 ENIC_INTX_ERR, 53 ENIC_INTX_NOTIFY, 54}; 55 56enum enic_msix_intr_index { 57 ENIC_MSIX_RQ, 58 ENIC_MSIX_WQ, 59 ENIC_MSIX_ERR, 60 ENIC_MSIX_NOTIFY, 61 ENIC_MSIX_MAX, 62}; 63 64struct enic_msix_entry { 65 int requested; 66 char devname[IFNAMSIZ]; 67 irqreturn_t (*isr)(int, void *); 68 void *devid; 69}; 70 71#define ENIC_SET_APPLIED (1 << 0) 72#define ENIC_SET_REQUEST (1 << 1) 73#define ENIC_SET_NAME (1 << 2) 74#define ENIC_SET_INSTANCE (1 << 3) 75#define ENIC_SET_HOST (1 << 4) 76 77struct enic_port_profile { 78 u32 set; 79 u8 request; 80 char name[PORT_PROFILE_MAX]; 81 u8 instance_uuid[PORT_UUID_MAX]; 82 u8 host_uuid[PORT_UUID_MAX]; 83}; 84 85/* Per-instance private data structure */ 86struct enic { 87 struct net_device *netdev; 88 struct pci_dev *pdev; 89 struct vnic_enet_config config; 90 struct vnic_dev_bar bar[ENIC_BARS_MAX]; 91 struct vnic_dev *vdev; 92 struct timer_list notify_timer; 93 struct work_struct reset; 94 struct msix_entry msix_entry[ENIC_MSIX_MAX]; 95 struct enic_msix_entry msix[ENIC_MSIX_MAX]; 96 u32 msg_enable; 97 spinlock_t devcmd_lock; 98 u8 mac_addr[ETH_ALEN]; 99 u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; 100 unsigned int flags; 101 unsigned int mc_count; 102 int csum_rx_enabled; 103 u32 port_mtu; 104 u32 rx_coalesce_usecs; 105 u32 tx_coalesce_usecs; 106 struct enic_port_profile pp; 107 108 /* work queue cache line section */ 109 ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; 110 spinlock_t wq_lock[ENIC_WQ_MAX]; 111 unsigned int wq_count; 112 struct vlan_group *vlan_group; 113 u16 loop_enable; 114 u16 loop_tag; 115 116 /* receive queue cache line section */ 117 ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; 118 unsigned int rq_count; 119 int (*rq_alloc_buf)(struct vnic_rq *rq); 120 u64 rq_truncated_pkts; 121 u64 rq_bad_fcs; 122 struct napi_struct napi; 123 124 /* interrupt resource cache line section */ 125 ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; 126 unsigned int intr_count; 127 u32 __iomem *legacy_pba; /* memory-mapped */ 128 129 /* completion queue cache line section */ 130 ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; 131 unsigned int cq_count; 132}; 133 134static inline struct device *enic_get_dev(struct enic *enic) 135{ 136 return &(enic->pdev->dev); 137} 138 139#endif /* _ENIC_H_ */ 140