001e1c1d5e
Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@gmail.com> Signed-off-by: Sujith Sankar <ssujith@cisco.com> Signed-off-by: Nishank Trivedi <nistrive@cisco.com> Signed-off-by: Christian Benvenuti <benve@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
184 lines
4.7 KiB
C
184 lines
4.7 KiB
C
/*
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* Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef _ENIC_H_
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#define _ENIC_H_
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#include "vnic_enet.h"
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#include "vnic_dev.h"
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#include "vnic_wq.h"
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#include "vnic_rq.h"
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#include "vnic_cq.h"
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#include "vnic_intr.h"
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#include "vnic_stats.h"
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#include "vnic_nic.h"
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#include "vnic_rss.h"
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#define DRV_NAME "enic"
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#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
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#define DRV_VERSION "2.1.1.50"
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#define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc"
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#define ENIC_BARS_MAX 6
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#define ENIC_WQ_MAX 8
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#define ENIC_RQ_MAX 8
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#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
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#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
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struct enic_msix_entry {
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int requested;
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char devname[IFNAMSIZ];
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irqreturn_t (*isr)(int, void *);
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void *devid;
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};
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/* priv_flags */
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#define ENIC_SRIOV_ENABLED (1 << 0)
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/* enic port profile set flags */
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#define ENIC_PORT_REQUEST_APPLIED (1 << 0)
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#define ENIC_SET_REQUEST (1 << 1)
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#define ENIC_SET_NAME (1 << 2)
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#define ENIC_SET_INSTANCE (1 << 3)
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#define ENIC_SET_HOST (1 << 4)
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struct enic_port_profile {
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u32 set;
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u8 request;
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char name[PORT_PROFILE_MAX];
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u8 instance_uuid[PORT_UUID_MAX];
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u8 host_uuid[PORT_UUID_MAX];
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u8 vf_mac[ETH_ALEN];
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u8 mac_addr[ETH_ALEN];
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};
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/* Per-instance private data structure */
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struct enic {
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struct net_device *netdev;
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struct pci_dev *pdev;
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struct vnic_enet_config config;
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struct vnic_dev_bar bar[ENIC_BARS_MAX];
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struct vnic_dev *vdev;
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struct timer_list notify_timer;
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struct work_struct reset;
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struct work_struct change_mtu_work;
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struct msix_entry msix_entry[ENIC_INTR_MAX];
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struct enic_msix_entry msix[ENIC_INTR_MAX];
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u32 msg_enable;
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spinlock_t devcmd_lock;
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u8 mac_addr[ETH_ALEN];
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u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
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u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
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unsigned int flags;
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unsigned int priv_flags;
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unsigned int mc_count;
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unsigned int uc_count;
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u32 port_mtu;
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u32 rx_coalesce_usecs;
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u32 tx_coalesce_usecs;
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#ifdef CONFIG_PCI_IOV
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u16 num_vfs;
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#endif
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spinlock_t enic_api_lock;
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struct enic_port_profile *pp;
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/* work queue cache line section */
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____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
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spinlock_t wq_lock[ENIC_WQ_MAX];
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unsigned int wq_count;
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u16 loop_enable;
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u16 loop_tag;
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/* receive queue cache line section */
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____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
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unsigned int rq_count;
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u64 rq_truncated_pkts;
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u64 rq_bad_fcs;
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struct napi_struct napi[ENIC_RQ_MAX];
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/* interrupt resource cache line section */
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____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
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unsigned int intr_count;
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u32 __iomem *legacy_pba; /* memory-mapped */
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/* completion queue cache line section */
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____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
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unsigned int cq_count;
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};
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static inline struct device *enic_get_dev(struct enic *enic)
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{
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return &(enic->pdev->dev);
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}
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static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq)
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{
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return rq;
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}
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static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
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{
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return enic->rq_count + wq;
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}
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static inline unsigned int enic_legacy_io_intr(void)
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{
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return 0;
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}
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static inline unsigned int enic_legacy_err_intr(void)
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{
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return 1;
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}
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static inline unsigned int enic_legacy_notify_intr(void)
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{
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return 2;
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}
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static inline unsigned int enic_msix_rq_intr(struct enic *enic,
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unsigned int rq)
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{
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return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset;
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}
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static inline unsigned int enic_msix_wq_intr(struct enic *enic,
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unsigned int wq)
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{
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return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset;
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}
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static inline unsigned int enic_msix_err_intr(struct enic *enic)
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{
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return enic->rq_count + enic->wq_count;
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}
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static inline unsigned int enic_msix_notify_intr(struct enic *enic)
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{
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return enic->rq_count + enic->wq_count + 1;
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}
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void enic_reset_addr_lists(struct enic *enic);
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int enic_sriov_enabled(struct enic *enic);
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int enic_is_valid_vf(struct enic *enic, int vf);
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int enic_is_dynamic(struct enic *enic);
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void enic_set_ethtool_ops(struct net_device *netdev);
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#endif /* _ENIC_H_ */
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