Exemplos de nf_ct6_defrag_user em C++ (Cpp)

Exemplo n.º 1

Arquivo: nf_defrag_ipv6_hooks.c Projeto: schidler/flyzjhz-rt-n56u

static unsigned int ipv6_defrag(unsigned int hooknum,
				struct sk_buff *skb,
				const struct net_device *in,
				const struct net_device *out,
				int (*okfn)(struct sk_buff *))
{
	struct sk_buff *reasm;

#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
	/* Previously seen (loopback)?	*/
	if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
		return NF_ACCEPT;
#endif

	reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(hooknum, skb));
	/* queued */
	if (reasm == NULL)
		return NF_STOLEN;

	/* error occurred or not fragmented */
	if (reasm == skb)
		return NF_ACCEPT;

	nf_ct_frag6_output(hooknum, reasm, (struct net_device *)in,
			   (struct net_device *)out, okfn);

	return NF_STOLEN;
}

Exemplo n.º 2

Arquivo: nf_defrag_ipv6_hooks.c Projeto: 383530895/linux

static unsigned int ipv6_defrag(const struct nf_hook_ops *ops,
				struct sk_buff *skb,
				const struct net_device *in,
				const struct net_device *out,
				int (*okfn)(struct sk_buff *))
{
	struct sk_buff *reasm;

#if IS_ENABLED(CONFIG_NF_CONNTRACK)
	/* Previously seen (loopback)?	*/
	if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
		return NF_ACCEPT;
#endif

	reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(ops->hooknum, skb));
	/* queued */
	if (reasm == NULL)
		return NF_STOLEN;

	/* error occurred or not fragmented */
	if (reasm == skb)
		return NF_ACCEPT;

	nf_ct_frag6_consume_orig(reasm);

	NF_HOOK_THRESH(NFPROTO_IPV6, ops->hooknum, reasm,
		       (struct net_device *) in, (struct net_device *) out,
		       okfn, NF_IP6_PRI_CONNTRACK_DEFRAG + 1);

	return NF_STOLEN;
}

Exemplo n.º 3

Arquivo: nf_defrag_ipv6_hooks.c Projeto: HarryWei/linux

static unsigned int ipv6_defrag(void *priv,
				struct sk_buff *skb,
				const struct nf_hook_state *state)
{
	int err;

#if IS_ENABLED(CONFIG_NF_CONNTRACK)
	/* Previously seen (loopback)?	*/
	if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
		return NF_ACCEPT;
#endif

	err = nf_ct_frag6_gather(state->net, skb,
				 nf_ct6_defrag_user(state->hook, skb));
	/* queued */
	if (err == -EINPROGRESS)
		return NF_STOLEN;

	return err == 0 ? NF_ACCEPT : NF_DROP;
}