/* * Copyright 2008-2010 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 "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" #include #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" #define DRV_VERSION "2.1.1.50" #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc" #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) struct enic_msix_entry { int requested; char devname[IFNAMSIZ]; irqreturn_t (*isr)(int, void *); void *devid; }; /* priv_flags */ #define ENIC_SRIOV_ENABLED (1 << 0) /* enic port profile set flags */ #define ENIC_PORT_REQUEST_APPLIED (1 << 0) #define ENIC_SET_REQUEST (1 << 1) #define ENIC_SET_NAME (1 << 2) #define ENIC_SET_INSTANCE (1 << 3) #define ENIC_SET_HOST (1 << 4) struct enic_port_profile { u32 set; u8 request; char name[PORT_PROFILE_MAX]; u8 instance_uuid[PORT_UUID_MAX]; u8 host_uuid[PORT_UUID_MAX]; u8 vf_mac[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; }; /* 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 work_struct change_mtu_work; struct msix_entry msix_entry[ENIC_INTR_MAX]; struct enic_msix_entry msix[ENIC_INTR_MAX]; u32 msg_enable; spinlock_t devcmd_lock; u8 mac_addr[ETH_ALEN]; u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN]; unsigned int flags; unsigned int priv_flags; unsigned int mc_count; unsigned int uc_count; u32 port_mtu; u32 rx_coalesce_usecs; u32 tx_coalesce_usecs; #ifdef CONFIG_PCI_IOV u16 num_vfs; #endif spinlock_t enic_api_lock; struct enic_port_profile *pp; /* 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; u16 loop_enable; u16 loop_tag; /* receive queue cache line section */ ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; unsigned int rq_count; u64 rq_truncated_pkts; u64 rq_bad_fcs; struct napi_struct napi[ENIC_RQ_MAX]; /* 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; }; static inline struct device *enic_get_dev(struct enic *enic) { return &(enic->pdev->dev); } static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq) { return rq; } static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) { return enic->rq_count + wq; } static inline unsigned int enic_legacy_io_intr(void) { return 0; } static inline unsigned int enic_legacy_err_intr(void) { return 1; } static inline unsigned int enic_legacy_notify_intr(void) { return 2; } static inline unsigned int enic_msix_rq_intr(struct enic *enic, unsigned int rq) { return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset; } static inline unsigned int enic_msix_wq_intr(struct enic *enic, unsigned int wq) { return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset; } static inline unsigned int enic_msix_err_intr(struct enic *enic) { return enic->rq_count + enic->wq_count; } static inline unsigned int enic_msix_notify_intr(struct enic *enic) { return enic->rq_count + enic->wq_count + 1; } void enic_reset_addr_lists(struct enic *enic); int enic_sriov_enabled(struct enic *enic); int enic_is_valid_vf(struct enic *enic, int vf); int enic_is_dynamic(struct enic *enic); void enic_set_ethtool_ops(struct net_device *netdev); #endif /* _ENIC_H_ */