Esempi in C++ (Cpp) per ipv4_change_dsfield

Esempio n. 1

File: actions.c Progetto: 0xroot/Blackphone-BP1-Kernel

static int set_ipv4(struct sk_buff *skb, const struct ovs_key_ipv4 *ipv4_key)
{
	struct iphdr *nh;
	int err;

	err = make_writable(skb, skb_network_offset(skb) +
				 sizeof(struct iphdr));
	if (unlikely(err))
		return err;

	nh = ip_hdr(skb);

	if (ipv4_key->ipv4_src != nh->saddr)
		set_ip_addr(skb, nh, &nh->saddr, ipv4_key->ipv4_src);

	if (ipv4_key->ipv4_dst != nh->daddr)
		set_ip_addr(skb, nh, &nh->daddr, ipv4_key->ipv4_dst);

	if (ipv4_key->ipv4_tos != nh->tos)
		ipv4_change_dsfield(nh, 0, ipv4_key->ipv4_tos);

	if (ipv4_key->ipv4_ttl != nh->ttl)
		set_ip_ttl(skb, nh, ipv4_key->ipv4_ttl);

	return 0;
}

Esempio n. 2

File: network.c Progetto: baiwei0427/PIAS

//Clear ECN marking
inline void clear_ecn(struct sk_buff *skb)
{
	struct iphdr *iph=ip_hdr(skb);
	if(likely(iph!=NULL))
	{
		if(skb_make_writable(skb, sizeof(struct iphdr)))
		{
			ipv4_change_dsfield(iph, 0xff, iph->tos & ~0x3);
		}
	}
}

Esempio n. 3

File: ip6_tunnel.c Progetto: vps2fast/openvz-kernel

static void ip4ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
					struct ipv6hdr *ipv6h,
					struct sk_buff *skb)
{
	__u8 dsfield = ipv6_get_dsfield(ipv6h) & ~INET_ECN_MASK;

	if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
		ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, dsfield);

	if (INET_ECN_is_ce(dsfield))
		IP_ECN_set_ce(ip_hdr(skb));
}