*/
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;
*/
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_reset_mac_header(skb);
- skb->mac_len = skb->nh.raw - skb->data;
+ 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, };
__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;
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;