int raw_rcv(struct sock *sk, struct sk_buff *skb, struct device *dev, __u32 saddr, __u32 daddr)
{
/* Now we need to copy this into memory. */
skb->sk = sk;
skb_trim(skb,ntohs(skb->ip_hdr->tot_len));
skb->h.raw = (unsigned char *) skb->ip_hdr;
skb->dev = dev;
skb->saddr = daddr;
skb->daddr = saddr;
#if 0
/*
* For no adequately explained reasons BSD likes to mess up the header of
* the received frame.
*/
if(sk->bsdism)
skb->ip_hdr->tot_len=ntohs(skb->ip_hdr->tot_len-4*skb->ip_hdr->ihl);
#endif
if (sk->users) {
__skb_queue_tail(&sk->back_log, skb);
return 0;
}
raw_rcv_skb(sk, skb);
return 0;
}
/*
* This is the prot->rcv() function. It's called when we have
* backlogged packets from core/sock.c if we couldn't receive it
* when the packet arrived.
*/
static int raw_rcv_redo(struct sk_buff *skb, struct device *dev, struct options *opt,
__u32 daddr, unsigned short len,
__u32 saddr, int redo, struct inet_protocol * protocol)
{
raw_rcv_skb(skb->sk, skb);
return 0;
}
int raw_rcv(struct sock *sk, struct sk_buff *skb)
{
skb_push(skb, skb->data - skb->nh.raw);
raw_rcv_skb(sk, skb);
return 0;
}
int raw_rcv(struct sock *sk, struct sk_buff *skb)
{
if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
kfree_skb(skb);
return NET_RX_DROP;
}
skb_push(skb, skb->data - skb->nh.raw);
raw_rcv_skb(sk, skb);
return 0;
}
int raw_rcv(struct sock *sk, struct sk_buff *skb)
{
if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
kfree_skb(skb);
return NET_RX_DROP;
}
nf_reset(skb);
skb_push(skb, skb->data - skb_network_header(skb));
raw_rcv_skb(sk, skb);
return 0;
}