Cross Reference: /src/usr.bin/rump

Lines Matching defs:packet
48 #  include <netpacket/packet.h>
400 make_udp_packet(uint8_t **packet, const uint8_t *data, size_t length,
412 	 * We copy the data to our packet and then create a small part of the
415 	 * of the whole packet into the udp checksum.
442 	*packet = (uint8_t *)udpp;
449 	struct udp_dhcp_packet packet;
451 	memcpy(&packet, udp, sizeof(packet));
453 	return ntohs(packet.ip.ip_len) -
454 	    sizeof(packet.ip) -
455 	    sizeof(packet.udp);
461 	struct udp_dhcp_packet packet;
464 	if (data_len < sizeof(packet.ip)) {
470 	memcpy(&packet, data, MIN(data_len, sizeof(packet)));
472 		from->s_addr = packet.ip.ip_src.s_addr;
473 	if (data_len > sizeof(packet)) {
477 	if (checksum(&packet.ip, sizeof(packet.ip)) != 0) {
482 	bytes = ntohs(packet.ip.ip_len);
487 	udpsum = packet.udp.uh_sum;
488 	packet.udp.uh_sum = 0;
489 	packet.ip.ip_hl = 0;
490 	packet.ip.ip_v = 0;
491 	packet.ip.ip_tos = 0;
492 	packet.ip.ip_len = packet.udp.uh_ulen;
493 	packet.ip.ip_id = 0;
494 	packet.ip.ip_off = 0;
495 	packet.ip.ip_ttl = 0;
496 	packet.ip.ip_sum = 0;
497 	if (udpsum && checksum(&packet, bytes) != udpsum) {
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