223 	struct gtp0_header *gtp0;  in gtp0_udp_encap_recv()  local
229 	gtp0 = (struct gtp0_header *)(skb->data + sizeof(struct udphdr));  in gtp0_udp_encap_recv()
231 	if ((gtp0->flags >> 5) != GTP_V0)  in gtp0_udp_encap_recv()
234 	if (gtp0->type != GTP_TPDU)  in gtp0_udp_encap_recv()
237 	pctx = gtp0_pdp_find(gtp, be64_to_cpu(gtp0->tid));  in gtp0_udp_encap_recv()
408 	struct gtp0_header *gtp0;  in gtp0_push_header()  local
410 	gtp0 = skb_push(skb, sizeof(*gtp0));  in gtp0_push_header()
412 	gtp0->flags	= 0x1e; /* v0, GTP-non-prime. */  in gtp0_push_header()
413 	gtp0->type	= GTP_TPDU;  in gtp0_push_header()
414 	gtp0->length	= htons(payload_len);  in gtp0_push_header()
415 	gtp0->seq	= htons((atomic_inc_return(&pctx->tx_seq) - 1) % 0xffff);  in gtp0_push_header()
416 	gtp0->flow	= htons(pctx->u.v0.flow);  in gtp0_push_header()
417 	gtp0->number	= 0xff;  in gtp0_push_header()
418 	gtp0->spare[0]	= gtp0->spare[1] = gtp0->spare[2] = 0xff;  in gtp0_push_header()
419 	gtp0->tid	= cpu_to_be64(pctx->u.v0.tid);  in gtp0_push_header()