73 	struct sock		*sk;  member
103 int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk,
110 int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb);
111 int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb);
112 int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
115 int __ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
116 int ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
118 int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl);
120 int ip_append_data(struct sock *sk, struct flowi4 *fl4,
129 ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
131 struct sk_buff *__ip_make_skb(struct sock *sk, struct flowi4 *fl4,
135 int ip_push_pending_frames(struct sock *sk, struct flowi4 *fl4);
136 void ip_flush_pending_frames(struct sock *sk);
137 struct sk_buff *ip_make_skb(struct sock *sk, struct flowi4 *fl4,
144 static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)  in ip_finish_skb()  argument
146 	return __ip_make_skb(sk, fl4, &sk->sk_write_queue, &inet_sk(sk)->cork.base);  in ip_finish_skb()
154 static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk)  in get_rtconn_flags()  argument
156 	return (ipc->tos != -1) ? RT_CONN_FLAGS_TOS(sk, ipc->tos) : RT_CONN_FLAGS(sk);  in get_rtconn_flags()
160 int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
161 int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
163 void ip4_datagram_release_cb(struct sock *sk);
182 void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb,
281 int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)  in ip_dont_fragment()  argument
283 	u8 pmtudisc = READ_ONCE(inet_sk(sk)->pmtudisc);  in ip_dont_fragment()
290 static inline bool ip_sk_accept_pmtu(const struct sock *sk)  in ip_sk_accept_pmtu()  argument
292 	return inet_sk(sk)->pmtudisc != IP_PMTUDISC_INTERFACE &&  in ip_sk_accept_pmtu()
293 	       inet_sk(sk)->pmtudisc != IP_PMTUDISC_OMIT;  in ip_sk_accept_pmtu()
296 static inline bool ip_sk_use_pmtu(const struct sock *sk)  in ip_sk_use_pmtu()  argument
298 	return inet_sk(sk)->pmtudisc < IP_PMTUDISC_PROBE;  in ip_sk_use_pmtu()
301 static inline bool ip_sk_ignore_df(const struct sock *sk)  in ip_sk_ignore_df()  argument
303 	return inet_sk(sk)->pmtudisc < IP_PMTUDISC_DO ||  in ip_sk_ignore_df()
304 	       inet_sk(sk)->pmtudisc == IP_PMTUDISC_OMIT;  in ip_sk_ignore_df()
322 	struct sock *sk = skb->sk;  in ip_skb_dst_mtu()  local
324 	if (!sk || !sk_fullsock(sk) || ip_sk_use_pmtu(sk)) {  in ip_skb_dst_mtu()
337 					struct sock *sk, int segs)  in ip_select_ident_segs()  argument
347 		if (sk && inet_sk(sk)->inet_daddr) {  in ip_select_ident_segs()
348 			iph->id = htons(inet_sk(sk)->inet_id);  in ip_select_ident_segs()
349 			inet_sk(sk)->inet_id += segs;  in ip_select_ident_segs()
359 				   struct sock *sk)  in ip_select_ident()  argument
361 	ip_select_ident_segs(net, skb, sk, 1);  in ip_select_ident()
457 static __inline__ void inet_reset_saddr(struct sock *sk)  in inet_reset_saddr()  argument
459 	inet_sk(sk)->inet_rcv_saddr = inet_sk(sk)->inet_saddr = 0;  in inet_reset_saddr()
461 	if (sk->sk_family == PF_INET6) {  in inet_reset_saddr()
462 		struct ipv6_pinfo *np = inet6_sk(sk);  in inet_reset_saddr()
465 		memset(&sk->sk_v6_rcv_saddr, 0, sizeof(sk->sk_v6_rcv_saddr));  in inet_reset_saddr()
555 void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb);
559 int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
561 int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval,
563 int compat_ip_setsockopt(struct sock *sk, int level, int optname,
565 int compat_ip_getsockopt(struct sock *sk, int level, int optname,
567 int ip_ra_control(struct sock *sk, unsigned char on,
570 int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len);
571 void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
573 void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,