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path: root/drivers/scsi/fcoe/fcoe.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c77
1 files changed, 51 insertions, 26 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 292b24f9bf9..00ee0ed642a 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -408,6 +408,7 @@ static struct fcoe_interface *fcoe_interface_create(struct net_device *netdev,
}
ctlr = fcoe_ctlr_device_priv(ctlr_dev);
+ ctlr->cdev = ctlr_dev;
fcoe = fcoe_ctlr_priv(ctlr);
dev_hold(netdev);
@@ -774,7 +775,6 @@ static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev)
struct fcoe_port *port;
struct net_device *realdev;
int rc;
- struct netdev_fcoe_hbainfo fdmi;
port = lport_priv(lport);
fcoe = port->priv;
@@ -788,9 +788,13 @@ static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev)
return;
if (realdev->netdev_ops->ndo_fcoe_get_hbainfo) {
- memset(&fdmi, 0, sizeof(fdmi));
+ struct netdev_fcoe_hbainfo *fdmi;
+ fdmi = kzalloc(sizeof(*fdmi), GFP_KERNEL);
+ if (!fdmi)
+ return;
+
rc = realdev->netdev_ops->ndo_fcoe_get_hbainfo(realdev,
- &fdmi);
+ fdmi);
if (rc) {
printk(KERN_INFO "fcoe: Failed to retrieve FDMI "
"information from netdev.\n");
@@ -800,38 +804,39 @@ static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev)
snprintf(fc_host_serial_number(lport->host),
FC_SERIAL_NUMBER_SIZE,
"%s",
- fdmi.serial_number);
+ fdmi->serial_number);
snprintf(fc_host_manufacturer(lport->host),
FC_SERIAL_NUMBER_SIZE,
"%s",
- fdmi.manufacturer);
+ fdmi->manufacturer);
snprintf(fc_host_model(lport->host),
FC_SYMBOLIC_NAME_SIZE,
"%s",
- fdmi.model);
+ fdmi->model);
snprintf(fc_host_model_description(lport->host),
FC_SYMBOLIC_NAME_SIZE,
"%s",
- fdmi.model_description);
+ fdmi->model_description);
snprintf(fc_host_hardware_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
- fdmi.hardware_version);
+ fdmi->hardware_version);
snprintf(fc_host_driver_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
- fdmi.driver_version);
+ fdmi->driver_version);
snprintf(fc_host_optionrom_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
- fdmi.optionrom_version);
+ fdmi->optionrom_version);
snprintf(fc_host_firmware_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
- fdmi.firmware_version);
+ fdmi->firmware_version);
/* Enable FDMI lport states */
lport->fdmi_enabled = 1;
+ kfree(fdmi);
} else {
lport->fdmi_enabled = 0;
printk(KERN_INFO "fcoe: No FDMI support.\n");
@@ -1436,22 +1441,28 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev,
ctlr = fcoe_to_ctlr(fcoe);
lport = ctlr->lp;
if (unlikely(!lport)) {
- FCOE_NETDEV_DBG(netdev, "Cannot find hba structure");
+ FCOE_NETDEV_DBG(netdev, "Cannot find hba structure\n");
goto err2;
}
if (!lport->link_up)
goto err2;
- FCOE_NETDEV_DBG(netdev, "skb_info: len:%d data_len:%d head:%p "
- "data:%p tail:%p end:%p sum:%d dev:%s",
+ FCOE_NETDEV_DBG(netdev,
+ "skb_info: len:%d data_len:%d head:%p data:%p tail:%p end:%p sum:%d dev:%s\n",
skb->len, skb->data_len, skb->head, skb->data,
skb_tail_pointer(skb), skb_end_pointer(skb),
skb->csum, skb->dev ? skb->dev->name : "<NULL>");
+
+ skb = skb_share_check(skb, GFP_ATOMIC);
+
+ if (skb == NULL)
+ return NET_RX_DROP;
+
eh = eth_hdr(skb);
if (is_fip_mode(ctlr) &&
- compare_ether_addr(eh->h_source, ctlr->dest_addr)) {
+ !ether_addr_equal(eh->h_source, ctlr->dest_addr)) {
FCOE_NETDEV_DBG(netdev, "wrong source mac address:%pM\n",
eh->h_source);
goto err;
@@ -1536,13 +1547,13 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev,
wake_up_process(fps->thread);
spin_unlock(&fps->fcoe_rx_list.lock);
- return 0;
+ return NET_RX_SUCCESS;
err:
per_cpu_ptr(lport->stats, get_cpu())->ErrorFrames++;
put_cpu();
err2:
kfree_skb(skb);
- return -1;
+ return NET_RX_DROP;
}
/**
@@ -1656,9 +1667,12 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
fcoe->realdev->features & NETIF_F_HW_VLAN_CTAG_TX) {
- skb->vlan_tci = VLAN_TAG_PRESENT |
- vlan_dev_vlan_id(fcoe->netdev);
+ /* must set skb->dev before calling vlan_put_tag */
skb->dev = fcoe->realdev;
+ skb = __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ vlan_dev_vlan_id(fcoe->netdev));
+ if (!skb)
+ return -ENOMEM;
} else
skb->dev = fcoe->netdev;
@@ -1781,13 +1795,13 @@ static void fcoe_recv_frame(struct sk_buff *skb)
lport = fr->fr_dev;
if (unlikely(!lport)) {
if (skb->destructor != fcoe_percpu_flush_done)
- FCOE_NETDEV_DBG(skb->dev, "NULL lport in skb");
+ FCOE_NETDEV_DBG(skb->dev, "NULL lport in skb\n");
kfree_skb(skb);
return;
}
- FCOE_NETDEV_DBG(skb->dev, "skb_info: len:%d data_len:%d "
- "head:%p data:%p tail:%p end:%p sum:%d dev:%s",
+ FCOE_NETDEV_DBG(skb->dev,
+ "skb_info: len:%d data_len:%d head:%p data:%p tail:%p end:%p sum:%d dev:%s\n",
skb->len, skb->data_len,
skb->head, skb->data, skb_tail_pointer(skb),
skb_end_pointer(skb), skb->csum,
@@ -1858,7 +1872,7 @@ static int fcoe_percpu_receive_thread(void *arg)
skb_queue_head_init(&tmp);
- set_user_nice(current, -20);
+ set_user_nice(current, MIN_NICE);
retry:
while (!kthread_should_stop()) {
@@ -1975,7 +1989,7 @@ static int fcoe_device_notification(struct notifier_block *notifier,
{
struct fcoe_ctlr_device *cdev;
struct fc_lport *lport = NULL;
- struct net_device *netdev = ptr;
+ struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
struct fcoe_ctlr *ctlr;
struct fcoe_interface *fcoe;
struct fcoe_port *port;
@@ -2619,14 +2633,18 @@ static int __init fcoe_init(void)
skb_queue_head_init(&p->fcoe_rx_list);
}
+ cpu_notifier_register_begin();
+
for_each_online_cpu(cpu)
fcoe_percpu_thread_create(cpu);
/* Initialize per CPU interrupt thread */
- rc = register_hotcpu_notifier(&fcoe_cpu_notifier);
+ rc = __register_hotcpu_notifier(&fcoe_cpu_notifier);
if (rc)
goto out_free;
+ cpu_notifier_register_done();
+
/* Setup link change notification */
fcoe_dev_setup();
@@ -2641,6 +2659,9 @@ out_free:
for_each_online_cpu(cpu) {
fcoe_percpu_thread_destroy(cpu);
}
+
+ cpu_notifier_register_done();
+
mutex_unlock(&fcoe_config_mutex);
destroy_workqueue(fcoe_wq);
return rc;
@@ -2673,11 +2694,15 @@ static void __exit fcoe_exit(void)
}
rtnl_unlock();
- unregister_hotcpu_notifier(&fcoe_cpu_notifier);
+ cpu_notifier_register_begin();
for_each_online_cpu(cpu)
fcoe_percpu_thread_destroy(cpu);
+ __unregister_hotcpu_notifier(&fcoe_cpu_notifier);
+
+ cpu_notifier_register_done();
+
mutex_unlock(&fcoe_config_mutex);
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 14:48:06 +0000