ip_set_getport.h

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#ifndef _IP_SET_GETPORT_H
#define _IP_SET_GETPORT_H

extern bool ip_set_get_ip4_port(const struct sk_buff *skb, bool src,
                __be16 *port, u8 *proto);

#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
extern bool ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
                __be16 *port, u8 *proto);
#else
static inline bool ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
                       __be16 *port, u8 *proto)
{
    return false;
}
#endif

extern bool ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src,
                __be16 *port);

static inline bool ip_set_proto_with_ports(u8 proto)
{
    switch (proto) {
    case IPPROTO_TCP:
    case IPPROTO_SCTP:
    case IPPROTO_UDP:
    case IPPROTO_UDPLITE:
        return true;
    }
    return false;
}

#endif /*_IP_SET_GETPORT_H*/