38 #include <netinet/ip.h>
54 	struct ip	hdr;
59 update_cksum(struct ip *ip)  in update_cksum()  argument
65 	ip->ip_sum = 0;  in update_cksum()
66 	cksump = (uint16_t *)ip;  in update_cksum()
67 	for (cksum = 0, i = 0; i < sizeof(*ip) / sizeof(*cksump); cksump++, i++)  in update_cksum()
71 	ip->ip_sum = htons((uint16_t)cksum);  in update_cksum()
77 	struct ip *ip;  in alloc_lopacket()  local
88 	ip = &packet->hdr;  in alloc_lopacket()
89 	ip->ip_hl = sizeof(struct ip) >> 2;  in alloc_lopacket()
90 	ip->ip_v = 4;  in alloc_lopacket()
91 	ip->ip_tos = 0;  in alloc_lopacket()
92 	ip->ip_len = htons(sizeof(*ip) + payloadlen);  in alloc_lopacket()
93 	ip->ip_id = 0;  in alloc_lopacket()
94 	ip->ip_off = 0;  in alloc_lopacket()
95 	ip->ip_ttl = 1;  in alloc_lopacket()
96 	ip->ip_p = IPPROTO_IP;  in alloc_lopacket()
97 	ip->ip_sum = 0;  in alloc_lopacket()
98 	ip->ip_src.s_addr = dstaddr;  in alloc_lopacket()
99 	ip->ip_dst.s_addr = dstaddr;  in alloc_lopacket()
100 	update_cksum(ip);  in alloc_lopacket()
175 	error = sysctlbyname("net.inet.ip.stats", stat, &len, NULL, 0);  in get_ipstat()
176 	ATF_REQUIRE_MSG(error == 0, "sysctl(net.inet.ip.stats) failed: %s",  in get_ipstat()
199 	struct ip *ip;  in ATF_TC_BODY()  local
209 	ip = &packet1->hdr;  in ATF_TC_BODY()
210 	ip->ip_id = ipid;  in ATF_TC_BODY()
211 	ip->ip_off = htons(0x10);  in ATF_TC_BODY()
212 	update_cksum(ip);  in ATF_TC_BODY()
215 	ip = &packet2->hdr;  in ATF_TC_BODY()
216 	ip->ip_id = ipid;  in ATF_TC_BODY()
217 	ip->ip_off = htons(0x20);  in ATF_TC_BODY()
218 	update_cksum(ip);  in ATF_TC_BODY()
221 	ip = &packet3->hdr;  in ATF_TC_BODY()
222 	ip->ip_id = ipid;  in ATF_TC_BODY()
223 	ip->ip_off = htons(0x8);  in ATF_TC_BODY()
224 	update_cksum(ip);  in ATF_TC_BODY()
227 	ip = &packet4->hdr;  in ATF_TC_BODY()
228 	ip->ip_id = ipid;  in ATF_TC_BODY()
229 	ip->ip_off = htons(0x10);  in ATF_TC_BODY()
230 	update_cksum(ip);  in ATF_TC_BODY()
279 	struct ip *ip;  in ATF_TC_BODY()  local
292 	ip = &packet1->hdr;  in ATF_TC_BODY()
293 	ip->ip_id = ipid;  in ATF_TC_BODY()
294 	ip->ip_off = htons(IP_MF | 0x10);  in ATF_TC_BODY()
295 	update_cksum(ip);  in ATF_TC_BODY()
298 	ip = &packet2->hdr;  in ATF_TC_BODY()
299 	ip->ip_id = ~ipid;  in ATF_TC_BODY()
300 	ip->ip_off = htons(0x10);  in ATF_TC_BODY()
301 	update_cksum(ip);  in ATF_TC_BODY()
329 	struct ip *ip;  in ATF_TC_BODY()  local
344 	ip = &packet1->hdr;  in ATF_TC_BODY()
345 	ip->ip_id = ipid;  in ATF_TC_BODY()
346 	ip->ip_off = htons(IP_MF | 0x1fff);  in ATF_TC_BODY()
347 	update_cksum(ip);  in ATF_TC_BODY()
350 	ip = &packet2->hdr;  in ATF_TC_BODY()
351 	ip->ip_id = ipid;  in ATF_TC_BODY()
352 	ip->ip_off = htons(0x1fff);  in ATF_TC_BODY()
353 	update_cksum(ip);  in ATF_TC_BODY()