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Lines Matching defs:udp

44 #define __FAVOR_BSD /* Nasty glibc hack so we can use BSD semantics for UDP */
45 #include <netinet/udp.h>
371 	struct udphdr udp;
405 	struct udphdr *udp;
409 	udp = &udpp->udp;
413 	 * ip structure and an invalid ip_len (basically udp length).
414 	 * We then fill the udp structure and put the checksum
415 	 * of the whole packet into the udp checksum.
417 	 * If we don't do the ordering like so then the udp checksum will be
429 	udp->uh_sport = htons(DHCP_CLIENT_PORT);
430 	udp->uh_dport = htons(DHCP_SERVER_PORT);
431 	udp->uh_ulen = htons(sizeof(*udp) + length);
432 	ip->ip_len = udp->uh_ulen;
433 	udp->uh_sum = checksum(udpp, sizeof(*udpp));
439 	ip->ip_len = htons(sizeof(*ip) + sizeof(*udp) + length);
443 	return sizeof(*ip) + sizeof(*udp) + length;
447 get_udp_data(const uint8_t **data, const uint8_t *udp)
451 	memcpy(&packet, udp, sizeof(packet));
452 	*data = udp + offsetof(struct udp_dhcp_packet, dhcp);
455 	    sizeof(packet.udp);
487 	udpsum = packet.udp.uh_sum;
488 	packet.udp.uh_sum = 0;
492 	packet.ip.ip_len = packet.udp.uh_ulen;