selftests/net/gro.c

191 static uint16_t tcp_checksum(void *buf, int payload_len)
197 		uint16_t payload_len;
203 		uint16_t payload_len;
213 		ph6.payload_len = htons(sizeof(struct tcphdr) + payload_len);
222 		ph4.payload_len = htons(sizeof(struct tcphdr) + payload_len);
227 	return checksum_fold(buf, sizeof(struct tcphdr) + payload_len, sum);
247 static void fill_networklayer(void *buf, int payload_len)
256 		ip6h->payload_len = htons(sizeof(struct tcphdr) + payload_len);
271 				payload_len + sizeof(struct iphdr));
282 				int payload_len, int fin)
297 	tcph->check = tcp_checksum(tcph, payload_len);
312 			  int payload_len, int fin)
315 	memset(buf + total_hdr_len, 'a', payload_len);
317 			    payload_len, fin);
318 	fill_networklayer(buf + ETH_HLEN, payload_len);
328 	int payload_len, pkt_size, flag, i;
331 	payload_len = PAYLOAD_LEN * psh;
332 	pkt_size = total_hdr_len + payload_len;
335 	create_packet(flag_buf, flag * payload_len, 0, payload_len, 0);
343 	tcph->check = tcp_checksum(tcph, payload_len);
420 		ip6h->payload_len = htons(ntohs(ip6h->payload_len) + extlen);
621 	iph->payload_len = htons(ntohs(iph->payload_len) + MIN_EXTHDR_SIZE);
871 	ip6h->payload_len = htons(ntohs(ip6h->payload_len) + extlen);