/* * Copyright 2008 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. * * This program is free software; you may redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ #ifndef _ENIC_H_ #define _ENIC_H_ #include #include "vnic_enet.h" #include "vnic_dev.h" #include "vnic_wq.h" #include "vnic_rq.h" #include "vnic_cq.h" #include "vnic_intr.h" #include "vnic_stats.h" #include "vnic_nic.h" #include "vnic_rss.h" #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" #define DRV_VERSION "1.3.1.1" #define DRV_COPYRIGHT "Copyright 2008-2009 Cisco Systems, Inc" #define PFX DRV_NAME ": " #define ENIC_LRO_MAX_DESC 8 #define ENIC_LRO_MAX_AGGR 64 #define ENIC_BARS_MAX 6 #define ENIC_WQ_MAX 8 #define ENIC_RQ_MAX 8 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) enum enic_cq_index { ENIC_CQ_RQ, ENIC_CQ_WQ, }; enum enic_intx_intr_index { ENIC_INTX_WQ_RQ, ENIC_INTX_ERR, ENIC_INTX_NOTIFY, }; enum enic_msix_intr_index { ENIC_MSIX_RQ, ENIC_MSIX_WQ, ENIC_MSIX_ERR, ENIC_MSIX_NOTIFY, ENIC_MSIX_MAX, }; struct enic_msix_entry { int requested; char devname[IFNAMSIZ]; irqreturn_t (*isr)(int, void *); void *devid; }; /* Per-instance private data structure */ struct enic { struct net_device *netdev; struct pci_dev *pdev; struct vnic_enet_config config; struct vnic_dev_bar bar[ENIC_BARS_MAX]; struct vnic_dev *vdev; struct timer_list notify_timer; struct work_struct reset; struct msix_entry msix_entry[ENIC_MSIX_MAX]; struct enic_msix_entry msix[ENIC_MSIX_MAX]; u32 msg_enable; spinlock_t devcmd_lock; u8 mac_addr[ETH_ALEN]; u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; unsigned int flags; unsigned int mc_count; int csum_rx_enabled; u32 port_mtu; u32 rx_coalesce_usecs; u32 tx_coalesce_usecs; /* work queue cache line section */ ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; spinlock_t wq_lock[ENIC_WQ_MAX]; unsigned int wq_count; struct vlan_group *vlan_group; /* receive queue cache line section */ ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; unsigned int rq_count; int (*rq_alloc_buf)(struct vnic_rq *rq); u64 rq_truncated_pkts; u64 rq_bad_fcs; struct napi_struct napi; struct net_lro_mgr lro_mgr; struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC]; /* interrupt resource cache line section */ ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; unsigned int intr_count; u32 __iomem *legacy_pba; /* memory-mapped */ /* completion queue cache line section */ ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; unsigned int cq_count; }; #endif /* _ENIC_H_ */