339 	struct icmp_bxm *icmp_param = (struct icmp_bxm *)from;  in icmp_glue_bits()  local
342 	csum = skb_copy_and_csum_bits(icmp_param->skb,  in icmp_glue_bits()
343 				      icmp_param->offset + offset,  in icmp_glue_bits()
347 	if (icmp_pointers[icmp_param->data.icmph.type].error)  in icmp_glue_bits()
348 		nf_ct_attach(skb, icmp_param->skb);  in icmp_glue_bits()
352 static void icmp_push_reply(struct icmp_bxm *icmp_param,  in icmp_push_reply()  argument
360 	if (ip_append_data(sk, fl4, icmp_glue_bits, icmp_param,  in icmp_push_reply()
361 			   icmp_param->data_len+icmp_param->head_len,  in icmp_push_reply()
362 			   icmp_param->head_len,  in icmp_push_reply()
374 		csum = csum_partial_copy_nocheck((void *)&icmp_param->data,  in icmp_push_reply()
376 						 icmp_param->head_len, csum);  in icmp_push_reply()
387 static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)  in icmp_reply()  argument
398 	if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb))  in icmp_reply()
406 	icmp_param->data.icmph.checksum = 0;  in icmp_reply()
417 	if (icmp_param->replyopts.opt.opt.optlen) {  in icmp_reply()
418 		ipc.opt = &icmp_param->replyopts.opt;  in icmp_reply()
420 			daddr = icmp_param->replyopts.opt.opt.faddr;  in icmp_reply()
432 	if (icmpv4_xrlim_allow(net, rt, &fl4, icmp_param->data.icmph.type,  in icmp_reply()
433 			       icmp_param->data.icmph.code))  in icmp_reply()
434 		icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_reply()
548 	struct icmp_bxm *icmp_param;  in icmp_send()  local
625 	icmp_param = kmalloc(sizeof(*icmp_param), GFP_ATOMIC);  in icmp_send()
626 	if (!icmp_param)  in icmp_send()
658 	if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb_in))  in icmp_send()
666 	icmp_param->data.icmph.type	 = type;  in icmp_send()
667 	icmp_param->data.icmph.code	 = code;  in icmp_send()
668 	icmp_param->data.icmph.un.gateway = info;  in icmp_send()
669 	icmp_param->data.icmph.checksum	 = 0;  in icmp_send()
670 	icmp_param->skb	  = skb_in;  in icmp_send()
671 	icmp_param->offset = skb_network_offset(skb_in);  in icmp_send()
675 	ipc.opt = &icmp_param->replyopts.opt;  in icmp_send()
681 			       type, code, icmp_param);  in icmp_send()
693 	room -= sizeof(struct iphdr) + icmp_param->replyopts.opt.opt.optlen;  in icmp_send()
696 	icmp_param->data_len = skb_in->len - icmp_param->offset;  in icmp_send()
697 	if (icmp_param->data_len > room)  in icmp_send()
698 		icmp_param->data_len = room;  in icmp_send()
699 	icmp_param->head_len = sizeof(struct icmphdr);  in icmp_send()
701 	icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_send()
707 	kfree(icmp_param);  in icmp_send()
887 		struct icmp_bxm icmp_param;  in icmp_echo()  local
889 		icmp_param.data.icmph	   = *icmp_hdr(skb);  in icmp_echo()
890 		icmp_param.data.icmph.type = ICMP_ECHOREPLY;  in icmp_echo()
891 		icmp_param.skb		   = skb;  in icmp_echo()
892 		icmp_param.offset	   = 0;  in icmp_echo()
893 		icmp_param.data_len	   = skb->len;  in icmp_echo()
894 		icmp_param.head_len	   = sizeof(struct icmphdr);  in icmp_echo()
895 		icmp_reply(&icmp_param, skb);  in icmp_echo()
911 	struct icmp_bxm icmp_param;  in icmp_timestamp()  local
922 	icmp_param.data.times[1] = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC +  in icmp_timestamp()
924 	icmp_param.data.times[2] = icmp_param.data.times[1];  in icmp_timestamp()
925 	if (skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4))  in icmp_timestamp()
927 	icmp_param.data.icmph	   = *icmp_hdr(skb);  in icmp_timestamp()
928 	icmp_param.data.icmph.type = ICMP_TIMESTAMPREPLY;  in icmp_timestamp()
929 	icmp_param.data.icmph.code = 0;  in icmp_timestamp()
930 	icmp_param.skb		   = skb;  in icmp_timestamp()
931 	icmp_param.offset	   = 0;  in icmp_timestamp()
932 	icmp_param.data_len	   = 0;  in icmp_timestamp()
933 	icmp_param.head_len	   = sizeof(struct icmphdr) + 12;  in icmp_timestamp()
934 	icmp_reply(&icmp_param, skb);  in icmp_timestamp()