353 	struct igmphdr *ih;  in br_ip4_multicast_alloc_query()  local
358 						 sizeof(*ih) + 4);  in br_ip4_multicast_alloc_query()
383 	iph->tot_len = htons(sizeof(*iph) + sizeof(*ih) + 4);  in br_ip4_multicast_alloc_query()
399 	ih = igmp_hdr(skb);  in br_ip4_multicast_alloc_query()
400 	ih->type = IGMP_HOST_MEMBERSHIP_QUERY;  in br_ip4_multicast_alloc_query()
401 	ih->code = (group ? br->multicast_last_member_interval :  in br_ip4_multicast_alloc_query()
404 	ih->group = group;  in br_ip4_multicast_alloc_query()
405 	ih->csum = 0;  in br_ip4_multicast_alloc_query()
406 	ih->csum = ip_compute_csum((void *)ih, sizeof(struct igmphdr));  in br_ip4_multicast_alloc_query()
407 	skb_put(skb, sizeof(*ih));  in br_ip4_multicast_alloc_query()
969 	struct igmpv3_report *ih;  in br_ip4_multicast_igmp3_report()  local
978 	if (!pskb_may_pull(skb, sizeof(*ih)))  in br_ip4_multicast_igmp3_report()
981 	ih = igmpv3_report_hdr(skb);  in br_ip4_multicast_igmp3_report()
982 	num = ntohs(ih->ngrec);  in br_ip4_multicast_igmp3_report()
983 	len = skb_transport_offset(skb) + sizeof(*ih);  in br_ip4_multicast_igmp3_report()
1225 	struct igmphdr *ih = igmp_hdr(skb);  in br_ip4_multicast_query()  local
1241 	group = ih->group;  in br_ip4_multicast_query()
1243 	if (skb->len == sizeof(*ih)) {  in br_ip4_multicast_query()
1244 		max_delay = ih->code * (HZ / IGMP_TIMER_SCALE);  in br_ip4_multicast_query()
1561 	struct igmphdr *ih;  in br_multicast_ipv4_rcv()  local
1609 	if (!pskb_may_pull(skb2, sizeof(*ih)))  in br_multicast_ipv4_rcv()
1626 	ih = igmp_hdr(skb2);  in br_multicast_ipv4_rcv()
1628 	switch (ih->type) {  in br_multicast_ipv4_rcv()
1632 		err = br_ip4_multicast_add_group(br, port, ih->group, vid);  in br_multicast_ipv4_rcv()
1641 		br_ip4_multicast_leave_group(br, port, ih->group, vid);  in br_multicast_ipv4_rcv()