esph_offset       277 net/ipv4/esp4.c 	int esph_offset;
esph_offset       348 net/ipv4/esp4.c 	esph_offset = (unsigned char *)esp->esph - skb_transport_header(skb);
esph_offset       354 net/ipv4/esp4.c 	esp->esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset);