29 #include <net/inet_sock.h>
30 #include <net/route.h>
31 #include <net/snmp.h>
32 #include <net/flow.h>
33 #include <net/flow_dissector.h>
34 #include <net/netns/hash.h>
35 #include <net/lwtunnel.h>
36 #include <net/inet_dscp.h>
169 void ip_protocol_deliver_rcu(struct net *net, struct sk_buff *skb, int proto);
171 int ip_mr_output(struct net *net, struct sock *sk, struct sk_buff *skb);
172 int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb);
173 int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb);
174 int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
175 		   int (*output)(struct net *, struct sock *, struct sk_buff *));
215 int __ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
216 int ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
233 int ip_send_skb(struct net *net, struct sk_buff *skb);
294 #define IP_INC_STATS(net, field)	SNMP_INC_STATS64((net)->mib.ip_statistics, field)  argument
295 #define __IP_INC_STATS(net, field)	__SNMP_INC_STATS64((net)->mib.ip_statistics, field)  argument
296 #define IP_ADD_STATS(net, field, val)	SNMP_ADD_STATS64((net)->mib.ip_statistics, field, val)  argument
297 #define __IP_ADD_STATS(net, field, val) __SNMP_ADD_STATS64((net)->mib.ip_statistics, field, val)  argument
298 #define IP_UPD_PO_STATS(net, field, val) SNMP_UPD_PO_STATS64((net)->mib.ip_statistics, field, val)  argument
299 #define __IP_UPD_PO_STATS(net, field, val) __SNMP_UPD_PO_STATS64((net)->mib.ip_statistics, field, v…  argument
300 #define NET_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.net_statistics, field)  argument
301 #define __NET_INC_STATS(net, field)	__SNMP_INC_STATS((net)->mib.net_statistics, field)  argument
302 #define NET_ADD_STATS(net, field, adnd)	SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd)  argument
303 #define __NET_ADD_STATS(net, field, adnd) __SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd)  argument
353 static inline void inet_get_local_port_range(const struct net *net, int *low, int *high)  in inet_get_local_port_range()  argument
355 	u32 range = READ_ONCE(net->ipv4.ip_local_ports.range);  in inet_get_local_port_range()
363 static inline bool inet_is_local_reserved_port(const struct net *net, unsigned short port)  in inet_is_local_reserved_port()  argument
365 	if (!net->ipv4.sysctl_local_reserved_ports)  in inet_is_local_reserved_port()
367 	return test_bit(port, net->ipv4.sysctl_local_reserved_ports);  in inet_is_local_reserved_port()
375 static inline bool inet_port_requires_bind_service(struct net *net, unsigned short port)  in inet_port_requires_bind_service()  argument
377 	return port < READ_ONCE(net->ipv4.sysctl_ip_prot_sock);  in inet_port_requires_bind_service()
381 static inline bool inet_is_local_reserved_port(struct net *net, unsigned short port)  in inet_is_local_reserved_port()  argument
386 static inline bool inet_port_requires_bind_service(struct net *net, unsigned short port)  in inet_port_requires_bind_service()  argument
403 #define IP4_REPLY_MARK(net, mark) \  argument
404 	(READ_ONCE((net)->ipv4.sysctl_fwmark_reflect) ? (mark) : 0)
412 #include <net/dst.h>
473 	struct net *net;  in ip_dst_mtu_maybe_forward()  local
478 	net = dev_net_rcu(dev);  in ip_dst_mtu_maybe_forward()
479 	if (READ_ONCE(net->ipv4.sysctl_ip_fwd_use_pmtu) ||  in ip_dst_mtu_maybe_forward()
555 void __ip_select_ident(struct net *net, struct iphdr *iph, int segs);
557 static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb,  in ip_select_ident_segs()  argument
585 		__ip_select_ident(net, iph, segs);  in ip_select_ident_segs()
589 static inline void ip_select_ident(struct net *net, struct sk_buff *skb,  in ip_select_ident()  argument
592 	ip_select_ident_segs(net, skb, sk, 1);  in ip_select_ident()
705 static inline u32 ipv4_portaddr_hash(const struct net *net,  in ipv4_portaddr_hash()  argument
709 	return jhash_1word((__force u32)saddr, net_hash_mix(net)) ^ port;  in ipv4_portaddr_hash()
744 int ip_defrag(struct net *net, struct sk_buff *skb, u32 user);
746 struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user);
748 static inline struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user)  in ip_check_defrag()  argument
767 int __ip_options_echo(struct net *net, struct ip_options *dopt,
769 static inline int ip_options_echo(struct net *net, struct ip_options *dopt,  in ip_options_echo()  argument
772 	return __ip_options_echo(net, dopt, skb, &IPCB(skb)->opt);  in ip_options_echo()
776 int __ip_options_compile(struct net *net, struct ip_options *opt,
778 int ip_options_compile(struct net *net, struct ip_options *opt,
780 int ip_options_get(struct net *net, struct ip_options_rcu **optp,
818 bool icmp_global_allow(struct net *net);
819 void icmp_global_consume(struct net *net);