104 struct sk_buff;
109 static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)  in __udp_lib_checksum_complete()
116 static inline int udp_lib_checksum_complete(struct sk_buff *skb)  in udp_lib_checksum_complete()
128 static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)  in udp_csum_outgoing()
138 static inline __wsum udp_csum(struct sk_buff *skb)  in udp_csum()
155 void udp_set_csum(bool nocheck, struct sk_buff *skb,
158 static inline void udp_csum_pull_header(struct sk_buff *skb)  in udp_csum_pull_header()
167 typedef struct sock *(*udp_lookup_t)(struct sk_buff *skb, __be16 sport,
170 INDIRECT_CALLABLE_DECLARE(struct sk_buff *udp4_gro_receive(struct list_head *,
171 							   struct sk_buff *));
172 INDIRECT_CALLABLE_DECLARE(int udp4_gro_complete(struct sk_buff *, int));
173 INDIRECT_CALLABLE_DECLARE(struct sk_buff *udp6_gro_receive(struct list_head *,
174 							   struct sk_buff *));
175 INDIRECT_CALLABLE_DECLARE(int udp6_gro_complete(struct sk_buff *, int));
176 struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb,
178 int udp_gro_complete(struct sk_buff *skb, int nhoff, udp_lookup_t lookup);
180 struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb,
183 static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb)  in udp_gro_udphdr()
217 static inline __be16 udp_flow_src_port(struct net *net, struct sk_buff *skb,  in udp_flow_src_port()
271 void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len);
272 int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb);
273 void udp_skb_destructor(struct sock *sk, struct sk_buff *skb);
274 struct sk_buff *__skb_recv_udp(struct sock *sk, unsigned int flags,
276 static inline struct sk_buff *skb_recv_udp(struct sock *sk, unsigned int flags,  in skb_recv_udp()
284 int udp_v4_early_demux(struct sk_buff *skb);
289 int udp_err(struct sk_buff *, u32);
295 void udp4_hwcsum(struct sk_buff *skb, __be32 src, __be32 dst);
296 int udp_rcv(struct sk_buff *skb);
303 struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
315 			       struct udp_table *tbl, struct sk_buff *skb);
316 struct sock *udp4_lib_lookup_skb(struct sk_buff *skb,
326 			       struct sk_buff *skb);
327 struct sock *udp6_lib_lookup_skb(struct sk_buff *skb,
352 static inline struct udp_dev_scratch *udp_skb_scratch(struct sk_buff *skb)  in udp_skb_scratch()
358 static inline unsigned int udp_skb_len(struct sk_buff *skb)  in udp_skb_len()
363 static inline bool udp_skb_csum_unnecessary(struct sk_buff *skb)  in udp_skb_csum_unnecessary()
368 static inline bool udp_skb_is_linear(struct sk_buff *skb)  in udp_skb_is_linear()
374 static inline unsigned int udp_skb_len(struct sk_buff *skb)  in udp_skb_len()
379 static inline bool udp_skb_csum_unnecessary(struct sk_buff *skb)  in udp_skb_csum_unnecessary()
384 static inline bool udp_skb_is_linear(struct sk_buff *skb)  in udp_skb_is_linear()
390 static inline int copy_linear_skb(struct sk_buff *skb, int len, int off,  in copy_linear_skb()
475 static inline struct sk_buff *udp_rcv_segment(struct sock *sk,  in udp_rcv_segment()
476 					      struct sk_buff *skb, bool ipv4)  in udp_rcv_segment()
479 	struct sk_buff *segs;  in udp_rcv_segment()