// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2008 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/workqueue.h>
#include <scsi/fc/fc_fip.h>
#include <scsi/fc/fc_els.h>
#include <scsi/fc/fc_fcoe.h>
#include <scsi/fc_frame.h>
#include <scsi/libfc.h>
#include "fnic_io.h"
#include "fnic.h"
#include "fnic_fip.h"
#include "cq_enet_desc.h"
#include "cq_exch_desc.h"
static u8 fcoe_all_fcfs[ETH_ALEN] = FIP_ALL_FCF_MACS;
struct workqueue_struct *fnic_fip_queue;
struct workqueue_struct *fnic_event_queue;
static void fnic_set_eth_mode(struct fnic *);
static void fnic_fcoe_send_vlan_req(struct fnic *fnic);
static void fnic_fcoe_start_fcf_disc(struct fnic *fnic);
static void fnic_fcoe_process_vlan_resp(struct fnic *fnic, struct sk_buff *);
static int fnic_fcoe_vlan_check(struct fnic *fnic, u16 flag);
static int fnic_fcoe_handle_fip_frame(struct fnic *fnic, struct sk_buff *skb);
void fnic_handle_link(struct work_struct *work)
{
struct fnic *fnic = container_of(work, struct fnic, link_work);
unsigned long flags;
int old_link_status;
u32 old_link_down_cnt;
u64 old_port_speed, new_port_speed;
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->link_events = 1; /* less work to just set everytime*/
if (fnic->stop_rx_link_events) {
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
return;
}
old_link_down_cnt = fnic->link_down_cnt;
old_link_status = fnic->link_status;
old_port_speed = atomic64_read(
&fnic->fnic_stats.misc_stats.current_port_speed);
fnic->link_status = vnic_dev_link_status(fnic->vdev);
fnic->link_down_cnt = vnic_dev_link_down_cnt(fnic->vdev);
