*/
static DEFINE_SPINLOCK(ptype_lock);
-static struct list_head ptype_base[16]; /* 16 way hashed list */
-static struct list_head ptype_all; /* Taps */
+static struct list_head ptype_base[16] __read_mostly; /* 16 way hashed list */
+static struct list_head ptype_all __read_mostly; /* Taps */
#ifdef CONFIG_NET_DMA
static struct dma_client *net_dma_client;
else
strlcpy(dev->name, newname, IFNAMSIZ);
- err = device_rename(&dev->dev, dev->name);
- if (!err) {
- hlist_del(&dev->name_hlist);
- hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name));
- raw_notifier_call_chain(&netdev_chain,
- NETDEV_CHANGENAME, dev);
- }
+ device_rename(&dev->dev, dev->name);
+ hlist_del(&dev->name_hlist);
+ hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name));
+ raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev);
return err;
}
atomic_dec(&netstamp_needed);
}
-void __net_timestamp(struct sk_buff *skb)
-{
- struct timeval tv;
-
- do_gettimeofday(&tv);
- skb_set_timestamp(skb, &tv);
-}
-EXPORT_SYMBOL(__net_timestamp);
-
static inline void net_timestamp(struct sk_buff *skb)
{
if (atomic_read(&netstamp_needed))
__net_timestamp(skb);
- else {
- skb->tstamp.off_sec = 0;
- skb->tstamp.off_usec = 0;
- }
+ else
+ skb->tstamp.tv64 = 0;
}
/*
set by sender, so that the second statement is
just protection against buggy protocols.
*/
- skb2->mac.raw = skb2->data;
+ skb_reset_mac_header(skb2);
- if (skb2->nh.raw < skb2->data ||
- skb2->nh.raw > skb2->tail) {
+ if (skb_network_header(skb2) < skb2->data ||
+ skb_network_header(skb2) > skb2->tail) {
if (net_ratelimit())
printk(KERN_CRIT "protocol %04x is "
"buggy, dev %s\n",
skb2->protocol, dev->name);
- skb2->nh.raw = skb2->data;
+ skb_reset_network_header(skb2);
}
skb2->h.raw = skb2->nh.raw;
int skb_checksum_help(struct sk_buff *skb)
{
__wsum csum;
- int ret = 0, offset = skb->h.raw - skb->data;
+ int ret = 0, offset = skb_transport_offset(skb);
if (skb->ip_summed == CHECKSUM_COMPLETE)
goto out_set_summed;
BUG_ON(offset > (int)skb->len);
csum = skb_checksum(skb, offset, skb->len-offset, 0);
- offset = skb->tail - skb->h.raw;
+ offset = skb->tail - skb_transport_header(skb);
BUG_ON(offset <= 0);
BUG_ON(skb->csum_offset + 2 > offset);
- *(__sum16*)(skb->h.raw + skb->csum_offset) = csum_fold(csum);
-
+ *(__sum16 *)(skb_transport_header(skb) +
+ skb->csum_offset) = csum_fold(csum);
out_set_summed:
skb->ip_summed = CHECKSUM_NONE;
out:
BUG_ON(skb_shinfo(skb)->frag_list);
- skb->mac.raw = skb->data;
- skb->mac_len = skb->nh.raw - skb->data;
+ skb_reset_mac_header(skb);
+ skb->mac_len = skb->nh.raw - skb->mac.raw;
__skb_pull(skb, skb->mac_len);
if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
segs = ERR_PTR(err);
if (err || skb_gso_ok(skb, features))
break;
- __skb_push(skb, skb->data - skb->nh.raw);
+ __skb_push(skb, (skb->data -
+ skb_network_header(skb)));
}
segs = ptype->gso_segment(skb, features);
break;
}
rcu_read_unlock();
- __skb_push(skb, skb->data - skb->mac.raw);
+ __skb_push(skb, skb->data - skb_mac_header(skb));
return segs;
}
Receiver routines
=======================================================================*/
-int netdev_max_backlog = 1000;
-int netdev_budget = 300;
-int weight_p = 64; /* old backlog weight */
+int netdev_max_backlog __read_mostly = 1000;
+int netdev_budget __read_mostly = 300;
+int weight_p __read_mostly = 64; /* old backlog weight */
DEFINE_PER_CPU(struct netif_rx_stats, netdev_rx_stat) = { 0, };
if (netpoll_rx(skb))
return NET_RX_DROP;
- if (!skb->tstamp.off_sec)
+ if (!skb->tstamp.tv64)
net_timestamp(skb);
/*
}
}
-static __inline__ int deliver_skb(struct sk_buff *skb,
- struct packet_type *pt_prev,
- struct net_device *orig_dev)
+static inline int deliver_skb(struct sk_buff *skb,
+ struct packet_type *pt_prev,
+ struct net_device *orig_dev)
{
atomic_inc(&skb->users);
return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
if (dev->qdisc_ingress) {
__u32 ttl = (__u32) G_TC_RTTL(skb->tc_verd);
if (MAX_RED_LOOP < ttl++) {
- printk(KERN_WARNING "Redir loop detected Dropping packet (%s->%s)\n",
- skb->input_dev->name, skb->dev->name);
+ printk(KERN_WARNING "Redir loop detected Dropping packet (%d->%d)\n",
+ skb->iif, skb->dev->ifindex);
return TC_ACT_SHOT;
}
skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_INGRESS);
- spin_lock(&dev->ingress_lock);
+ spin_lock(&dev->queue_lock);
if ((q = dev->qdisc_ingress) != NULL)
result = q->enqueue(skb, q);
- spin_unlock(&dev->ingress_lock);
+ spin_unlock(&dev->queue_lock);
}
if (skb->dev->poll && netpoll_rx(skb))
return NET_RX_DROP;
- if (!skb->tstamp.off_sec)
+ if (!skb->tstamp.tv64)
net_timestamp(skb);
- if (!skb->input_dev)
- skb->input_dev = skb->dev;
+ if (!skb->iif)
+ skb->iif = skb->dev->ifindex;
orig_dev = skb_bond(skb);
__get_cpu_var(netdev_rx_stat).total++;
- skb->h.raw = skb->nh.raw = skb->data;
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
skb->mac_len = skb->nh.raw - skb->mac.raw;
pt_prev = NULL;
* This is invoked by the /proc filesystem handler to display a device
* in detail.
*/
-static __inline__ struct net_device *dev_get_idx(loff_t pos)
+static struct net_device *dev_get_idx(loff_t pos)
{
struct net_device *dev;
loff_t i;
return 0;
}
-static struct seq_operations dev_seq_ops = {
+static const struct seq_operations dev_seq_ops = {
.start = dev_seq_start,
.next = dev_seq_next,
.stop = dev_seq_stop,
.release = seq_release,
};
-static struct seq_operations softnet_seq_ops = {
+static const struct seq_operations softnet_seq_ops = {
.start = softnet_seq_start,
.next = softnet_seq_next,
.stop = softnet_seq_stop,
.release = seq_release,
};
+static void *ptype_get_idx(loff_t pos)
+{
+ struct packet_type *pt = NULL;
+ loff_t i = 0;
+ int t;
+
+ list_for_each_entry_rcu(pt, &ptype_all, list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+
+ for (t = 0; t < 16; t++) {
+ list_for_each_entry_rcu(pt, &ptype_base[t], list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+ }
+ return NULL;
+}
+
+static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ rcu_read_lock();
+ return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
+}
+
+static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct packet_type *pt;
+ struct list_head *nxt;
+ int hash;
+
+ ++*pos;
+ if (v == SEQ_START_TOKEN)
+ return ptype_get_idx(0);
+
+ pt = v;
+ nxt = pt->list.next;
+ if (pt->type == htons(ETH_P_ALL)) {
+ if (nxt != &ptype_all)
+ goto found;
+ hash = 0;
+ nxt = ptype_base[0].next;
+ } else
+ hash = ntohs(pt->type) & 15;
+
+ while (nxt == &ptype_base[hash]) {
+ if (++hash >= 16)
+ return NULL;
+ nxt = ptype_base[hash].next;
+ }
+found:
+ return list_entry(nxt, struct packet_type, list);
+}
+
+static void ptype_seq_stop(struct seq_file *seq, void *v)
+{
+ rcu_read_unlock();
+}
+
+static void ptype_seq_decode(struct seq_file *seq, void *sym)
+{
+#ifdef CONFIG_KALLSYMS
+ unsigned long offset = 0, symsize;
+ const char *symname;
+ char *modname;
+ char namebuf[128];
+
+ symname = kallsyms_lookup((unsigned long)sym, &symsize, &offset,
+ &modname, namebuf);
+
+ if (symname) {
+ char *delim = ":";
+
+ if (!modname)
+ modname = delim = "";
+ seq_printf(seq, "%s%s%s%s+0x%lx", delim, modname, delim,
+ symname, offset);
+ return;
+ }
+#endif
+
+ seq_printf(seq, "[%p]", sym);
+}
+
+static int ptype_seq_show(struct seq_file *seq, void *v)
+{
+ struct packet_type *pt = v;
+
+ if (v == SEQ_START_TOKEN)
+ seq_puts(seq, "Type Device Function\n");
+ else {
+ if (pt->type == htons(ETH_P_ALL))
+ seq_puts(seq, "ALL ");
+ else
+ seq_printf(seq, "%04x", ntohs(pt->type));
+
+ seq_printf(seq, " %-8s ",
+ pt->dev ? pt->dev->name : "");
+ ptype_seq_decode(seq, pt->func);
+ seq_putc(seq, '\n');
+ }
+
+ return 0;
+}
+
+static const struct seq_operations ptype_seq_ops = {
+ .start = ptype_seq_start,
+ .next = ptype_seq_next,
+ .stop = ptype_seq_stop,
+ .show = ptype_seq_show,
+};
+
+static int ptype_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &ptype_seq_ops);
+}
+
+static const struct file_operations ptype_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = ptype_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+
#ifdef CONFIG_WIRELESS_EXT
extern int wireless_proc_init(void);
#else
goto out;
if (!proc_net_fops_create("softnet_stat", S_IRUGO, &softnet_seq_fops))
goto out_dev;
+ if (!proc_net_fops_create("ptype", S_IRUGO, &ptype_seq_fops))
+ goto out_dev2;
+
if (wireless_proc_init())
goto out_softnet;
rc = 0;
return rc;
out_softnet:
proc_net_remove("softnet_stat");
+out_dev2:
+ proc_net_remove("ptype");
out_dev:
proc_net_remove("dev");
goto out;
static DEFINE_SPINLOCK(net_todo_list_lock);
static struct list_head net_todo_list = LIST_HEAD_INIT(net_todo_list);
-static inline void net_set_todo(struct net_device *dev)
+static void net_set_todo(struct net_device *dev)
{
spin_lock(&net_todo_list_lock);
list_add_tail(&dev->todo_list, &net_todo_list);
projects / deliverable / linux.git / blobdiff