45 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff)  in ip_is_fragment()  argument
47 	return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off))  in ip_is_fragment()
61 static inline __u64 parse_ip(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,  in parse_ip()  argument
66 	if (unlikely(ip_is_fragment(skb, nhoff)))  in parse_ip()
69 		*ip_proto = load_byte(skb, nhoff + offsetof(struct iphdr, protocol));  in parse_ip()
72 		flow->src = load_word(skb, nhoff + offsetof(struct iphdr, saddr));  in parse_ip()
73 		flow->dst = load_word(skb, nhoff + offsetof(struct iphdr, daddr));  in parse_ip()
76 	verlen = load_byte(skb, nhoff + 0/*offsetof(struct iphdr, ihl)*/);  in parse_ip()
78 		nhoff += 20;  in parse_ip()
80 		nhoff += (verlen & 0xF) << 2;  in parse_ip()
82 	return nhoff;  in parse_ip()
85 static inline __u64 parse_ipv6(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,  in parse_ipv6()  argument
89 			      nhoff + offsetof(struct ipv6hdr, nexthdr));  in parse_ipv6()
91 				   nhoff + offsetof(struct ipv6hdr, saddr));  in parse_ipv6()
93 				   nhoff + offsetof(struct ipv6hdr, daddr));  in parse_ipv6()
94 	nhoff += sizeof(struct ipv6hdr);  in parse_ipv6()
96 	return nhoff;  in parse_ipv6()
101 	__u64 nhoff = ETH_HLEN;  in flow_dissector()  local
107 		proto = load_half(skb, nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
109 		nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
113 		proto = load_half(skb, nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
115 		nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
119 		nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
121 		nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
133 					    nhoff + offsetof(struct gre_hdr, flags));  in flow_dissector()
135 					    nhoff + offsetof(struct gre_hdr, proto));  in flow_dissector()
141 		nhoff += 4;  in flow_dissector()
143 			nhoff += 4;  in flow_dissector()
145 			nhoff += 4;  in flow_dissector()
147 			nhoff += 4;  in flow_dissector()
151 					  nhoff + offsetof(struct vlan_hdr,  in flow_dissector()
153 			nhoff += sizeof(struct vlan_hdr);  in flow_dissector()
157 			nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
159 			nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
165 		nhoff = parse_ip(skb, nhoff, &ip_proto, flow);  in flow_dissector()
168 		nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow);  in flow_dissector()
177 		nhoff += poff;  in flow_dissector()
178 		flow->ports = load_word(skb, nhoff);  in flow_dissector()
181 	flow->thoff = (__u16) nhoff;  in flow_dissector()