46 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff)  in ip_is_fragment()  argument
48 	return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off))  in ip_is_fragment()
62 static inline __u64 parse_ip(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,  in parse_ip()  argument
67 	if (unlikely(ip_is_fragment(skb, nhoff)))  in parse_ip()
70 		*ip_proto = load_byte(skb, nhoff + offsetof(struct iphdr, protocol));  in parse_ip()
73 		flow->src = load_word(skb, nhoff + offsetof(struct iphdr, saddr));  in parse_ip()
74 		flow->dst = load_word(skb, nhoff + offsetof(struct iphdr, daddr));  in parse_ip()
77 	verlen = load_byte(skb, nhoff + 0/*offsetof(struct iphdr, ihl)*/);  in parse_ip()
79 		nhoff += 20;  in parse_ip()
81 		nhoff += (verlen & 0xF) << 2;  in parse_ip()
83 	return nhoff;  in parse_ip()
86 static inline __u64 parse_ipv6(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,  in parse_ipv6()  argument
90 			      nhoff + offsetof(struct ipv6hdr, nexthdr));  in parse_ipv6()
92 				   nhoff + offsetof(struct ipv6hdr, saddr));  in parse_ipv6()
94 				   nhoff + offsetof(struct ipv6hdr, daddr));  in parse_ipv6()
95 	nhoff += sizeof(struct ipv6hdr);  in parse_ipv6()
97 	return nhoff;  in parse_ipv6()
103 	__u64 nhoff = ETH_HLEN;  in flow_dissector()  local
109 		proto = load_half(skb, nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
111 		nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
115 		proto = load_half(skb, nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
117 		nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
121 		nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
123 		nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
135 					    nhoff + offsetof(struct gre_hdr, flags));  in flow_dissector()
137 					    nhoff + offsetof(struct gre_hdr, proto));  in flow_dissector()
143 		nhoff += 4;  in flow_dissector()
145 			nhoff += 4;  in flow_dissector()
147 			nhoff += 4;  in flow_dissector()
149 			nhoff += 4;  in flow_dissector()
153 					  nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
155 			nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
159 			nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
161 			nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
167 		nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
170 		nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
179 		nhoff += poff;  in flow_dissector()
180 		flow->ports = load_word(skb, nhoff);  in flow_dissector()
183 	flow->thoff = (__u16) nhoff;  in flow_dissector()