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-rw-r--r--net/core/dev.c380
1 files changed, 284 insertions, 96 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index df5520a60b9..106d5e6d987 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -90,6 +90,7 @@
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
#include <linux/notifier.h>
#include <linux/skbuff.h>
#include <net/net_namespace.h>
@@ -120,6 +121,9 @@
#include <linux/ctype.h>
#include <linux/if_arp.h>
#include <linux/if_vlan.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
#include "net-sysfs.h"
@@ -257,7 +261,7 @@ DEFINE_PER_CPU(struct softnet_data, softnet_data);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
/*
- * register_netdevice() inits dev->_xmit_lock and sets lockdep class
+ * register_netdevice() inits txq->_xmit_lock and sets lockdep class
* according to dev->type
*/
static const unsigned short netdev_lock_type[] =
@@ -961,6 +965,12 @@ void netdev_state_change(struct net_device *dev)
}
}
+void netdev_bonding_change(struct net_device *dev)
+{
+ call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, dev);
+}
+EXPORT_SYMBOL(netdev_bonding_change);
+
/**
* dev_load - load a network module
* @net: the applicable net namespace
@@ -1117,6 +1127,29 @@ int dev_close(struct net_device *dev)
}
+/**
+ * dev_disable_lro - disable Large Receive Offload on a device
+ * @dev: device
+ *
+ * Disable Large Receive Offload (LRO) on a net device. Must be
+ * called under RTNL. This is needed if received packets may be
+ * forwarded to another interface.
+ */
+void dev_disable_lro(struct net_device *dev)
+{
+ if (dev->ethtool_ops && dev->ethtool_ops->get_flags &&
+ dev->ethtool_ops->set_flags) {
+ u32 flags = dev->ethtool_ops->get_flags(dev);
+ if (flags & ETH_FLAG_LRO) {
+ flags &= ~ETH_FLAG_LRO;
+ dev->ethtool_ops->set_flags(dev, flags);
+ }
+ }
+ WARN_ON(dev->features & NETIF_F_LRO);
+}
+EXPORT_SYMBOL(dev_disable_lro);
+
+
static int dev_boot_phase = 1;
/*
@@ -1290,16 +1323,18 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
}
-void __netif_schedule(struct net_device *dev)
+void __netif_schedule(struct Qdisc *q)
{
- if (!test_and_set_bit(__LINK_STATE_SCHED, &dev->state)) {
- unsigned long flags;
+ BUG_ON(q == &noop_qdisc);
+
+ if (!test_and_set_bit(__QDISC_STATE_SCHED, &q->state)) {
struct softnet_data *sd;
+ unsigned long flags;
local_irq_save(flags);
sd = &__get_cpu_var(softnet_data);
- dev->next_sched = sd->output_queue;
- sd->output_queue = dev;
+ q->next_sched = sd->output_queue;
+ sd->output_queue = q;
raise_softirq_irqoff(NET_TX_SOFTIRQ);
local_irq_restore(flags);
}
@@ -1566,7 +1601,8 @@ static int dev_gso_segment(struct sk_buff *skb)
return 0;
}
-int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
+ struct netdev_queue *txq)
{
if (likely(!skb->next)) {
if (!list_empty(&ptype_all))
@@ -1595,9 +1631,7 @@ gso:
skb->next = nskb;
return rc;
}
- if (unlikely((netif_queue_stopped(dev) ||
- netif_subqueue_stopped(dev, skb)) &&
- skb->next))
+ if (unlikely(netif_tx_queue_stopped(txq) && skb->next))
return NETDEV_TX_BUSY;
} while (skb->next);
@@ -1634,9 +1668,71 @@ out_kfree_skb:
* --BLG
*/
+static u16 simple_tx_hash(struct net_device *dev, struct sk_buff *skb)
+{
+ u32 *addr, *ports, hash, ihl;
+ u8 ip_proto;
+ int alen;
+
+ switch (skb->protocol) {
+ case __constant_htons(ETH_P_IP):
+ ip_proto = ip_hdr(skb)->protocol;
+ addr = &ip_hdr(skb)->saddr;
+ ihl = ip_hdr(skb)->ihl;
+ alen = 2;
+ break;
+ case __constant_htons(ETH_P_IPV6):
+ ip_proto = ipv6_hdr(skb)->nexthdr;
+ addr = &ipv6_hdr(skb)->saddr.s6_addr32[0];
+ ihl = (40 >> 2);
+ alen = 8;
+ break;
+ default:
+ return 0;
+ }
+
+ ports = (u32 *) (skb_network_header(skb) + (ihl * 4));
+
+ hash = 0;
+ while (alen--)
+ hash ^= *addr++;
+
+ switch (ip_proto) {
+ case IPPROTO_TCP:
+ case IPPROTO_UDP:
+ case IPPROTO_DCCP:
+ case IPPROTO_ESP:
+ case IPPROTO_AH:
+ case IPPROTO_SCTP:
+ case IPPROTO_UDPLITE:
+ hash ^= *ports;
+ break;
+
+ default:
+ break;
+ }
+
+ return hash % dev->real_num_tx_queues;
+}
+
+static struct netdev_queue *dev_pick_tx(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ u16 queue_index = 0;
+
+ if (dev->select_queue)
+ queue_index = dev->select_queue(dev, skb);
+ else if (dev->real_num_tx_queues > 1)
+ queue_index = simple_tx_hash(dev, skb);
+
+ skb_set_queue_mapping(skb, queue_index);
+ return netdev_get_tx_queue(dev, queue_index);
+}
+
int dev_queue_xmit(struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
+ struct netdev_queue *txq;
struct Qdisc *q;
int rc = -ENOMEM;
@@ -1669,44 +1765,29 @@ int dev_queue_xmit(struct sk_buff *skb)
}
gso:
- spin_lock_prefetch(&dev->queue_lock);
-
/* Disable soft irqs for various locks below. Also
* stops preemption for RCU.
*/
rcu_read_lock_bh();
- /* Updates of qdisc are serialized by queue_lock.
- * The struct Qdisc which is pointed to by qdisc is now a
- * rcu structure - it may be accessed without acquiring
- * a lock (but the structure may be stale.) The freeing of the
- * qdisc will be deferred until it's known that there are no
- * more references to it.
- *
- * If the qdisc has an enqueue function, we still need to
- * hold the queue_lock before calling it, since queue_lock
- * also serializes access to the device queue.
- */
+ txq = dev_pick_tx(dev, skb);
+ q = rcu_dereference(txq->qdisc);
- q = rcu_dereference(dev->qdisc);
#ifdef CONFIG_NET_CLS_ACT
skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_EGRESS);
#endif
if (q->enqueue) {
- /* Grab device queue */
- spin_lock(&dev->queue_lock);
- q = dev->qdisc;
- if (q->enqueue) {
- /* reset queue_mapping to zero */
- skb_set_queue_mapping(skb, 0);
- rc = q->enqueue(skb, q);
- qdisc_run(dev);
- spin_unlock(&dev->queue_lock);
-
- rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
- goto out;
- }
- spin_unlock(&dev->queue_lock);
+ spinlock_t *root_lock = qdisc_root_lock(q);
+
+ spin_lock(root_lock);
+
+ rc = qdisc_enqueue_root(skb, q);
+ qdisc_run(q);
+
+ spin_unlock(root_lock);
+
+ rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
+ goto out;
}
/* The device has no queue. Common case for software devices:
@@ -1724,19 +1805,18 @@ gso:
if (dev->flags & IFF_UP) {
int cpu = smp_processor_id(); /* ok because BHs are off */
- if (dev->xmit_lock_owner != cpu) {
+ if (txq->xmit_lock_owner != cpu) {
- HARD_TX_LOCK(dev, cpu);
+ HARD_TX_LOCK(dev, txq, cpu);
- if (!netif_queue_stopped(dev) &&
- !netif_subqueue_stopped(dev, skb)) {
+ if (!netif_tx_queue_stopped(txq)) {
rc = 0;
- if (!dev_hard_start_xmit(skb, dev)) {
- HARD_TX_UNLOCK(dev);
+ if (!dev_hard_start_xmit(skb, dev, txq)) {
+ HARD_TX_UNLOCK(dev, txq);
goto out;
}
}
- HARD_TX_UNLOCK(dev);
+ HARD_TX_UNLOCK(dev, txq);
if (net_ratelimit())
printk(KERN_CRIT "Virtual device %s asks to "
"queue packet!\n", dev->name);
@@ -1880,7 +1960,7 @@ static void net_tx_action(struct softirq_action *h)
}
if (sd->output_queue) {
- struct net_device *head;
+ struct Qdisc *head;
local_irq_disable();
head = sd->output_queue;
@@ -1888,17 +1968,20 @@ static void net_tx_action(struct softirq_action *h)
local_irq_enable();
while (head) {
- struct net_device *dev = head;
+ struct Qdisc *q = head;
+ spinlock_t *root_lock;
+
head = head->next_sched;
smp_mb__before_clear_bit();
- clear_bit(__LINK_STATE_SCHED, &dev->state);
+ clear_bit(__QDISC_STATE_SCHED, &q->state);
- if (spin_trylock(&dev->queue_lock)) {
- qdisc_run(dev);
- spin_unlock(&dev->queue_lock);
+ root_lock = qdisc_root_lock(q);
+ if (spin_trylock(root_lock)) {
+ qdisc_run(q);
+ spin_unlock(root_lock);
} else {
- netif_schedule(dev);
+ __netif_schedule(q);
}
}
}
@@ -1979,10 +2062,11 @@ static inline struct sk_buff *handle_macvlan(struct sk_buff *skb,
*/
static int ing_filter(struct sk_buff *skb)
{
- struct Qdisc *q;
struct net_device *dev = skb->dev;
- int result = TC_ACT_OK;
u32 ttl = G_TC_RTTL(skb->tc_verd);
+ struct netdev_queue *rxq;
+ int result = TC_ACT_OK;
+ struct Qdisc *q;
if (MAX_RED_LOOP < ttl++) {
printk(KERN_WARNING
@@ -1994,10 +2078,14 @@ static int ing_filter(struct sk_buff *skb)
skb->tc_verd = SET_TC_RTTL(skb->tc_verd, ttl);
skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_INGRESS);
- spin_lock(&dev->ingress_lock);
- if ((q = dev->qdisc_ingress) != NULL)
- result = q->enqueue(skb, q);
- spin_unlock(&dev->ingress_lock);
+ rxq = &dev->rx_queue;
+
+ q = rxq->qdisc;
+ if (q) {
+ spin_lock(qdisc_lock(q));
+ result = qdisc_enqueue_root(skb, q);
+ spin_unlock(qdisc_lock(q));
+ }
return result;
}
@@ -2006,7 +2094,7 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
struct packet_type **pt_prev,
int *ret, struct net_device *orig_dev)
{
- if (!skb->dev->qdisc_ingress)
+ if (!skb->dev->rx_queue.qdisc)
goto out;
if (*pt_prev) {
@@ -2030,6 +2118,33 @@ out:
}
#endif
+/*
+ * netif_nit_deliver - deliver received packets to network taps
+ * @skb: buffer
+ *
+ * This function is used to deliver incoming packets to network
+ * taps. It should be used when the normal netif_receive_skb path
+ * is bypassed, for example because of VLAN acceleration.
+ */
+void netif_nit_deliver(struct sk_buff *skb)
+{
+ struct packet_type *ptype;
+
+ if (list_empty(&ptype_all))
+ return;
+
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+ skb->mac_len = skb->network_header - skb->mac_header;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(ptype, &ptype_all, list) {
+ if (!ptype->dev || ptype->dev == skb->dev)
+ deliver_skb(skb, ptype, skb->dev);
+ }
+ rcu_read_unlock();
+}
+
/**
* netif_receive_skb - process receive buffer from network
* @skb: buffer to process
@@ -2769,16 +2884,29 @@ int netdev_set_master(struct net_device *slave, struct net_device *master)
return 0;
}
-static void __dev_set_promiscuity(struct net_device *dev, int inc)
+static int __dev_set_promiscuity(struct net_device *dev, int inc)
{
unsigned short old_flags = dev->flags;
ASSERT_RTNL();
- if ((dev->promiscuity += inc) == 0)
- dev->flags &= ~IFF_PROMISC;
- else
- dev->flags |= IFF_PROMISC;
+ dev->flags |= IFF_PROMISC;
+ dev->promiscuity += inc;
+ if (dev->promiscuity == 0) {
+ /*
+ * Avoid overflow.
+ * If inc causes overflow, untouch promisc and return error.
+ */
+ if (inc < 0)
+ dev->flags &= ~IFF_PROMISC;
+ else {
+ dev->promiscuity -= inc;
+ printk(KERN_WARNING "%s: promiscuity touches roof, "
+ "set promiscuity failed, promiscuity feature "
+ "of device might be broken.\n", dev->name);
+ return -EOVERFLOW;
+ }
+ }
if (dev->flags != old_flags) {
printk(KERN_INFO "device %s %s promiscuous mode\n",
dev->name, (dev->flags & IFF_PROMISC) ? "entered" :
@@ -2796,6 +2924,7 @@ static void __dev_set_promiscuity(struct net_device *dev, int inc)
if (dev->change_rx_flags)
dev->change_rx_flags(dev, IFF_PROMISC);
}
+ return 0;
}
/**
@@ -2807,14 +2936,19 @@ static void __dev_set_promiscuity(struct net_device *dev, int inc)
* remains above zero the interface remains promiscuous. Once it hits zero
* the device reverts back to normal filtering operation. A negative inc
* value is used to drop promiscuity on the device.
+ * Return 0 if successful or a negative errno code on error.
*/
-void dev_set_promiscuity(struct net_device *dev, int inc)
+int dev_set_promiscuity(struct net_device *dev, int inc)
{
unsigned short old_flags = dev->flags;
+ int err;
- __dev_set_promiscuity(dev, inc);
+ err = __dev_set_promiscuity(dev, inc);
+ if (err < 0)
+ return err;
if (dev->flags != old_flags)
dev_set_rx_mode(dev);
+ return err;
}
/**
@@ -2827,22 +2961,38 @@ void dev_set_promiscuity(struct net_device *dev, int inc)
* to all interfaces. Once it hits zero the device reverts back to normal
* filtering operation. A negative @inc value is used to drop the counter
* when releasing a resource needing all multicasts.
+ * Return 0 if successful or a negative errno code on error.
*/
-void dev_set_allmulti(struct net_device *dev, int inc)
+int dev_set_allmulti(struct net_device *dev, int inc)
{
unsigned short old_flags = dev->flags;
ASSERT_RTNL();
dev->flags |= IFF_ALLMULTI;
- if ((dev->allmulti += inc) == 0)
- dev->flags &= ~IFF_ALLMULTI;
+ dev->allmulti += inc;
+ if (dev->allmulti == 0) {
+ /*
+ * Avoid overflow.
+ * If inc causes overflow, untouch allmulti and return error.
+ */
+ if (inc < 0)
+ dev->flags &= ~IFF_ALLMULTI;
+ else {
+ dev->allmulti -= inc;
+ printk(KERN_WARNING "%s: allmulti touches roof, "
+ "set allmulti failed, allmulti feature of "
+ "device might be broken.\n", dev->name);
+ return -EOVERFLOW;
+ }
+ }
if (dev->flags ^ old_flags) {
if (dev->change_rx_flags)
dev->change_rx_flags(dev, IFF_ALLMULTI);
dev_set_rx_mode(dev);
}
+ return 0;
}
/*
@@ -2881,9 +3031,9 @@ void __dev_set_rx_mode(struct net_device *dev)
void dev_set_rx_mode(struct net_device *dev)
{
- netif_tx_lock_bh(dev);
+ netif_addr_lock_bh(dev);
__dev_set_rx_mode(dev);
- netif_tx_unlock_bh(dev);
+ netif_addr_unlock_bh(dev);
}
int __dev_addr_delete(struct dev_addr_list **list, int *count,
@@ -2961,11 +3111,11 @@ int dev_unicast_delete(struct net_device *dev, void *addr, int alen)
ASSERT_RTNL();
- netif_tx_lock_bh(dev);
+ netif_addr_lock_bh(dev);
err = __dev_addr_delete(&dev->uc_list, &dev->uc_count, addr, alen, 0);
if (!err)
__dev_set_rx_mode(dev);
- netif_tx_unlock_bh(dev);
+ netif_addr_unlock_bh(dev);
return err;
}
EXPORT_SYMBOL(dev_unicast_delete);
@@ -2987,11 +3137,11 @@ int dev_unicast_add(struct net_device *dev, void *addr, int alen)
ASSERT_RTNL();
- netif_tx_lock_bh(dev);
+ netif_addr_lock_bh(dev);
err = __dev_addr_add(&dev->uc_list, &dev->uc_count, addr, alen, 0);
if (!err)
__dev_set_rx_mode(dev);
- netif_tx_unlock_bh(dev);
+ netif_addr_unlock_bh(dev);
return err;
}
EXPORT_SYMBOL(dev_unicast_add);
@@ -3058,12 +3208,12 @@ int dev_unicast_sync(struct net_device *to, struct net_device *from)
{
int err = 0;
- netif_tx_lock_bh(to);
+ netif_addr_lock_bh(to);
err = __dev_addr_sync(&to->uc_list, &to->uc_count,
&from->uc_list, &from->uc_count);
if (!err)
__dev_set_rx_mode(to);
- netif_tx_unlock_bh(to);
+ netif_addr_unlock_bh(to);
return err;
}
EXPORT_SYMBOL(dev_unicast_sync);
@@ -3079,15 +3229,15 @@ EXPORT_SYMBOL(dev_unicast_sync);
*/
void dev_unicast_unsync(struct net_device *to, struct net_device *from)
{
- netif_tx_lock_bh(from);
- netif_tx_lock_bh(to);
+ netif_addr_lock_bh(from);
+ netif_addr_lock(to);
__dev_addr_unsync(&to->uc_list, &to->uc_count,
&from->uc_list, &from->uc_count);
__dev_set_rx_mode(to);
- netif_tx_unlock_bh(to);
- netif_tx_unlock_bh(from);
+ netif_addr_unlock(to);
+ netif_addr_unlock_bh(from);
}
EXPORT_SYMBOL(dev_unicast_unsync);
@@ -3107,7 +3257,7 @@ static void __dev_addr_discard(struct dev_addr_list **list)
static void dev_addr_discard(struct net_device *dev)
{
- netif_tx_lock_bh(dev);
+ netif_addr_lock_bh(dev);
__dev_addr_discard(&dev->uc_list);
dev->uc_count = 0;
@@ -3115,7 +3265,7 @@ static void dev_addr_discard(struct net_device *dev)
__dev_addr_discard(&dev->mc_list);
dev->mc_count = 0;
- netif_tx_unlock_bh(dev);
+ netif_addr_unlock_bh(dev);
}
unsigned dev_get_flags(const struct net_device *dev)
@@ -3688,6 +3838,21 @@ static void rollback_registered(struct net_device *dev)
dev_put(dev);
}
+static void __netdev_init_queue_locks_one(struct net_device *dev,
+ struct netdev_queue *dev_queue,
+ void *_unused)
+{
+ spin_lock_init(&dev_queue->_xmit_lock);
+ netdev_set_lockdep_class(&dev_queue->_xmit_lock, dev->type);
+ dev_queue->xmit_lock_owner = -1;
+}
+
+static void netdev_init_queue_locks(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, __netdev_init_queue_locks_one, NULL);
+ __netdev_init_queue_locks_one(dev, &dev->rx_queue, NULL);
+}
+
/**
* register_netdevice - register a network device
* @dev: device to register
@@ -3722,11 +3887,8 @@ int register_netdevice(struct net_device *dev)
BUG_ON(!dev_net(dev));
net = dev_net(dev);
- spin_lock_init(&dev->queue_lock);
- spin_lock_init(&dev->_xmit_lock);
- netdev_set_lockdep_class(&dev->_xmit_lock, dev->type);
- dev->xmit_lock_owner = -1;
- spin_lock_init(&dev->ingress_lock);
+ spin_lock_init(&dev->addr_list_lock);
+ netdev_init_queue_locks(dev);
dev->iflink = -1;
@@ -4007,6 +4169,19 @@ static struct net_device_stats *internal_stats(struct net_device *dev)
return &dev->stats;
}
+static void netdev_init_one_queue(struct net_device *dev,
+ struct netdev_queue *queue,
+ void *_unused)
+{
+ queue->dev = dev;
+}
+
+static void netdev_init_queues(struct net_device *dev)
+{
+ netdev_init_one_queue(dev, &dev->rx_queue, NULL);
+ netdev_for_each_tx_queue(dev, netdev_init_one_queue, NULL);
+}
+
/**
* alloc_netdev_mq - allocate network device
* @sizeof_priv: size of private data to allocate space for
@@ -4021,14 +4196,14 @@ static struct net_device_stats *internal_stats(struct net_device *dev)
struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
void (*setup)(struct net_device *), unsigned int queue_count)
{
- void *p;
+ struct netdev_queue *tx;
struct net_device *dev;
int alloc_size;
+ void *p;
BUG_ON(strlen(name) >= sizeof(dev->name));
- alloc_size = sizeof(struct net_device) +
- sizeof(struct net_device_subqueue) * (queue_count - 1);
+ alloc_size = sizeof(struct net_device);
if (sizeof_priv) {
/* ensure 32-byte alignment of private area */
alloc_size = (alloc_size + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
@@ -4043,22 +4218,33 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
return NULL;
}
+ tx = kzalloc(sizeof(struct netdev_queue) * queue_count, GFP_KERNEL);
+ if (!tx) {
+ printk(KERN_ERR "alloc_netdev: Unable to allocate "
+ "tx qdiscs.\n");
+ kfree(p);
+ return NULL;
+ }
+
dev = (struct net_device *)
(((long)p + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
dev->padded = (char *)dev - (char *)p;
dev_net_set(dev, &init_net);
+ dev->_tx = tx;
+ dev->num_tx_queues = queue_count;
+ dev->real_num_tx_queues = queue_count;
+
if (sizeof_priv) {
dev->priv = ((char *)dev +
- ((sizeof(struct net_device) +
- (sizeof(struct net_device_subqueue) *
- (queue_count - 1)) + NETDEV_ALIGN_CONST)
+ ((sizeof(struct net_device) + NETDEV_ALIGN_CONST)
& ~NETDEV_ALIGN_CONST));
}
- dev->egress_subqueue_count = queue_count;
dev->gso_max_size = GSO_MAX_SIZE;
+ netdev_init_queues(dev);
+
dev->get_stats = internal_stats;
netpoll_netdev_init(dev);
setup(dev);
@@ -4079,6 +4265,8 @@ void free_netdev(struct net_device *dev)
{
release_net(dev_net(dev));
+ kfree(dev->_tx);
+
/* Compatibility with error handling in drivers */
if (dev->reg_state == NETREG_UNINITIALIZED) {
kfree((char *)dev - dev->padded);
@@ -4260,7 +4448,7 @@ static int dev_cpu_callback(struct notifier_block *nfb,
void *ocpu)
{
struct sk_buff **list_skb;
- struct net_device **list_net;
+ struct Qdisc **list_net;
struct sk_buff *skb;
unsigned int cpu, oldcpu = (unsigned long)ocpu;
struct softnet_data *sd, *oldsd;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 16:53:51 +0000