354 	struct icmp_bxm *icmp_param = (struct icmp_bxm *)from;  in icmp_glue_bits()  local
357 	csum = skb_copy_and_csum_bits(icmp_param->skb,  in icmp_glue_bits()
358 				      icmp_param->offset + offset,  in icmp_glue_bits()
362 	if (icmp_pointers[icmp_param->data.icmph.type].error)  in icmp_glue_bits()
363 		nf_ct_attach(skb, icmp_param->skb);  in icmp_glue_bits()
367 static void icmp_push_reply(struct icmp_bxm *icmp_param,  in icmp_push_reply()  argument
375 	if (ip_append_data(sk, fl4, icmp_glue_bits, icmp_param,  in icmp_push_reply()
376 			   icmp_param->data_len+icmp_param->head_len,  in icmp_push_reply()
377 			   icmp_param->head_len,  in icmp_push_reply()
389 		csum = csum_partial_copy_nocheck((void *)&icmp_param->data,  in icmp_push_reply()
391 						 icmp_param->head_len, csum);  in icmp_push_reply()
402 static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)  in icmp_reply()  argument
412 	int type = icmp_param->data.icmph.type;  in icmp_reply()
413 	int code = icmp_param->data.icmph.code;  in icmp_reply()
415 	if (ip_options_echo(net, &icmp_param->replyopts.opt.opt, skb))  in icmp_reply()
430 	icmp_param->data.icmph.checksum = 0;  in icmp_reply()
438 	if (icmp_param->replyopts.opt.opt.optlen) {  in icmp_reply()
439 		ipc.opt = &icmp_param->replyopts.opt;  in icmp_reply()
441 			daddr = icmp_param->replyopts.opt.opt.faddr;  in icmp_reply()
456 		icmp_push_reply(icmp_param, &fl4, &ipc, &rt);  in icmp_reply()
577 	struct icmp_bxm icmp_param;  in icmp_send()  local
694 	if (ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in))  in icmp_send()
702 	icmp_param.data.icmph.type	 = type;  in icmp_send()
703 	icmp_param.data.icmph.code	 = code;  in icmp_send()
704 	icmp_param.data.icmph.un.gateway = info;  in icmp_send()
705 	icmp_param.data.icmph.checksum	 = 0;  in icmp_send()
706 	icmp_param.skb	  = skb_in;  in icmp_send()
707 	icmp_param.offset = skb_network_offset(skb_in);  in icmp_send()
712 	ipc.opt = &icmp_param.replyopts.opt;  in icmp_send()
715 			       type, code, &icmp_param);  in icmp_send()
728 	room -= sizeof(struct iphdr) + icmp_param.replyopts.opt.opt.optlen;  in icmp_send()
731 	icmp_param.data_len = skb_in->len - icmp_param.offset;  in icmp_send()
732 	if (icmp_param.data_len > room)  in icmp_send()
733 		icmp_param.data_len = room;  in icmp_send()
734 	icmp_param.head_len = sizeof(struct icmphdr);  in icmp_send()
736 	icmp_push_reply(&icmp_param, &fl4, &ipc, &rt);  in icmp_send()
931 		struct icmp_bxm icmp_param;  in icmp_echo()  local
933 		icmp_param.data.icmph	   = *icmp_hdr(skb);  in icmp_echo()
934 		icmp_param.data.icmph.type = ICMP_ECHOREPLY;  in icmp_echo()
935 		icmp_param.skb		   = skb;  in icmp_echo()
936 		icmp_param.offset	   = 0;  in icmp_echo()
937 		icmp_param.data_len	   = skb->len;  in icmp_echo()
938 		icmp_param.head_len	   = sizeof(struct icmphdr);  in icmp_echo()
939 		icmp_reply(&icmp_param, skb);  in icmp_echo()
954 	struct icmp_bxm icmp_param;  in icmp_timestamp()  local
964 	icmp_param.data.times[1] = inet_current_timestamp();  in icmp_timestamp()
965 	icmp_param.data.times[2] = icmp_param.data.times[1];  in icmp_timestamp()
967 	BUG_ON(skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4));  in icmp_timestamp()
969 	icmp_param.data.icmph	   = *icmp_hdr(skb);  in icmp_timestamp()
970 	icmp_param.data.icmph.type = ICMP_TIMESTAMPREPLY;  in icmp_timestamp()
971 	icmp_param.data.icmph.code = 0;  in icmp_timestamp()
972 	icmp_param.skb		   = skb;  in icmp_timestamp()
973 	icmp_param.offset	   = 0;  in icmp_timestamp()
974 	icmp_param.data_len	   = 0;  in icmp_timestamp()
975 	icmp_param.head_len	   = sizeof(struct icmphdr) + 12;  in icmp_timestamp()
976 	icmp_reply(&icmp_param, skb);  in icmp_timestamp()