Lines Matching refs:gre_hd

219 	hdr->gre_hd.flags = GRE_KEY | GRE_VERSION_1 | GRE_SEQ;  in pptp_xmit()
220 	hdr->gre_hd.protocol = GRE_PROTO_PPP;  in pptp_xmit()
226 		hdr->gre_hd.flags |= GRE_ACK;  in pptp_xmit()
291 	if (GRE_IS_ACK(header->gre_hd.flags)) {  in pptp_rcv_core()
299 		ack = GRE_IS_SEQ(header->gre_hd.flags) ? ntohl(header->ack) :  in pptp_rcv_core()
310 	if (!GRE_IS_SEQ(header->gre_hd.flags))  in pptp_rcv_core()
366 	if (header->gre_hd.protocol != GRE_PROTO_PPP || /* PPTP-GRE protocol for PPTP */  in pptp_rcv()
367 		GRE_IS_CSUM(header->gre_hd.flags) ||    /* flag CSUM should be clear */  in pptp_rcv()
368 		GRE_IS_ROUTING(header->gre_hd.flags) || /* flag ROUTING should be clear */  in pptp_rcv()
369 		!GRE_IS_KEY(header->gre_hd.flags) ||    /* flag KEY should be set */  in pptp_rcv()
370 		(header->gre_hd.flags & GRE_FLAGS))     /* flag Recursion Ctrl should be clear */  in pptp_rcv()