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/*
* 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 <linux/inet_lro.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"
#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_ */
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