#include <linux/netfilter/nfnetlink_queue.h>
#include <linux/list.h>
#include <net/sock.h>
+#include <net/netfilter/nf_queue.h>
#include <asm/atomic.h>
__enqueue_entry(struct nfqnl_instance *queue,
struct nfqnl_queue_entry *entry)
{
- list_add(&entry->list, &queue->queue_list);
+ list_add_tail(&entry->list, &queue->queue_list);
queue->queue_total++;
}
__find_entry(struct nfqnl_instance *queue, nfqnl_cmpfn cmpfn,
unsigned long data)
{
- struct list_head *p;
-
- list_for_each_prev(p, &queue->queue_list) {
- struct nfqnl_queue_entry *entry = (struct nfqnl_queue_entry *)p;
+ struct nfqnl_queue_entry *entry;
+ list_for_each_entry(entry, &queue->queue_list, list) {
if (!cmpfn || cmpfn(entry, data))
return entry;
}
static int
nfqnl_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
- unsigned int queuenum, void *data)
+ unsigned int queuenum)
{
int status = -EINVAL;
struct sk_buff *nskb;
nfqnl_mangle(void *data, int data_len, struct nfqnl_queue_entry *e)
{
int diff;
+ int err;
diff = data_len - e->skb->len;
if (diff < 0) {
if (data_len > 0xFFFF)
return -EINVAL;
if (diff > skb_tailroom(e->skb)) {
- struct sk_buff *newskb;
-
- newskb = skb_copy_expand(e->skb,
- skb_headroom(e->skb),
- diff,
- GFP_ATOMIC);
- if (newskb == NULL) {
+ err = pskb_expand_head(e->skb, 0,
+ diff - skb_tailroom(e->skb),
+ GFP_ATOMIC);
+ if (err) {
printk(KERN_WARNING "nf_queue: OOM "
"in mangle, dropping packet\n");
- return -ENOMEM;
+ return err;
}
- if (e->skb->sk)
- skb_set_owner_w(newskb, e->skb->sk);
- kfree_skb(e->skb);
- e->skb = newskb;
}
skb_put(e->skb, diff);
}
- if (!skb_make_writable(&e->skb, data_len))
+ if (!skb_make_writable(e->skb, data_len))
return -ENOMEM;
skb_copy_to_linear_data(e->skb, data, data_len);
e->skb->ip_summed = CHECKSUM_NONE;
[NFQA_CFG_PARAMS] = { .len = sizeof(struct nfqnl_msg_config_params) },
};
-static struct nf_queue_handler nfqh = {
+static const struct nf_queue_handler nfqh = {
.name = "nf_queue",
.outfn = &nfqnl_enqueue_packet,
};