112 static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)  in __udp_lib_checksum_complete()  argument
114 	return (UDP_SKB_CB(skb)->cscov == skb->len ?  in __udp_lib_checksum_complete()
115 		__skb_checksum_complete(skb) :  in __udp_lib_checksum_complete()
116 		__skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov));  in __udp_lib_checksum_complete()
119 static inline int udp_lib_checksum_complete(struct sk_buff *skb)  in udp_lib_checksum_complete()  argument
121 	return !skb_csum_unnecessary(skb) &&  in udp_lib_checksum_complete()
122 		__udp_lib_checksum_complete(skb);  in udp_lib_checksum_complete()
131 static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)  in udp_csum_outgoing()  argument
133 	__wsum csum = csum_partial(skb_transport_header(skb),  in udp_csum_outgoing()
135 	skb_queue_walk(&sk->sk_write_queue, skb) {  in udp_csum_outgoing()
136 		csum = csum_add(csum, skb->csum);  in udp_csum_outgoing()
141 static inline __wsum udp_csum(struct sk_buff *skb)  in udp_csum()  argument
143 	__wsum csum = csum_partial(skb_transport_header(skb),  in udp_csum()
144 				   sizeof(struct udphdr), skb->csum);  in udp_csum()
146 	for (skb = skb_shinfo(skb)->frag_list; skb; skb = skb->next) {  in udp_csum()
147 		csum = csum_add(csum, skb->csum);  in udp_csum()
158 void udp_set_csum(bool nocheck, struct sk_buff *skb,
161 struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb,
163 int udp_gro_complete(struct sk_buff *skb, int nhoff);
165 static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb)  in udp_gro_udphdr()  argument
170 	off  = skb_gro_offset(skb);  in udp_gro_udphdr()
172 	uh   = skb_gro_header_fast(skb, off);  in udp_gro_udphdr()
173 	if (skb_gro_header_hard(skb, hlen))  in udp_gro_udphdr()
174 		uh = skb_gro_header_slow(skb, hlen, off);  in udp_gro_udphdr()
199 static inline __be16 udp_flow_src_port(struct net *net, struct sk_buff *skb,  in udp_flow_src_port()  argument
209 	hash = skb_get_hash(skb);  in udp_flow_src_port()
215 			hash = jhash(skb->data, 2 * ETH_ALEN,  in udp_flow_src_port()
216 				     (__force u32) skb->protocol);  in udp_flow_src_port()
236 void udp_v4_early_demux(struct sk_buff *skb);
244 void udp4_hwcsum(struct sk_buff *skb, __be32 src, __be32 dst);
245 int udp_rcv(struct sk_buff *skb);
249 struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,