115 	struct ioam6_lwt *ilwt;  in ioam6_build_state()  local
173 	lwt = lwtunnel_state_alloc(sizeof(*ilwt) + len_aligned);  in ioam6_build_state()
177 	ilwt = ioam6_lwt_state(lwt);  in ioam6_build_state()
178 	err = dst_cache_init(&ilwt->cache, GFP_ATOMIC);  in ioam6_build_state()
182 	atomic_set(&ilwt->pkt_cnt, 0);  in ioam6_build_state()
183 	ilwt->freq.k = freq_k;  in ioam6_build_state()
184 	ilwt->freq.n = freq_n;  in ioam6_build_state()
186 	ilwt->mode = mode;  in ioam6_build_state()
189 		ilwt->has_tunsrc = false;  in ioam6_build_state()
191 		ilwt->has_tunsrc = true;  in ioam6_build_state()
192 		ilwt->tunsrc = nla_get_in6_addr(tb[IOAM6_IPTUNNEL_SRC]);  in ioam6_build_state()
194 		if (ipv6_addr_any(&ilwt->tunsrc)) {  in ioam6_build_state()
203 		ilwt->tundst = nla_get_in6_addr(tb[IOAM6_IPTUNNEL_DST]);  in ioam6_build_state()
205 		if (ipv6_addr_any(&ilwt->tundst)) {  in ioam6_build_state()
235 	dst_cache_destroy(&ilwt->cache);  in ioam6_build_state()
341 	struct ioam6_lwt *ilwt;  in ioam6_output()  local
348 	ilwt = ioam6_lwt_state(dst->lwtstate);  in ioam6_output()
351 	pkt_cnt = atomic_fetch_inc(&ilwt->pkt_cnt);  in ioam6_output()
352 	if (pkt_cnt % ilwt->freq.n >= ilwt->freq.k)  in ioam6_output()
357 	switch (ilwt->mode) {  in ioam6_output()
364 		err = ioam6_do_inline(net, skb, &ilwt->tuninfo);  in ioam6_output()
372 		err = ioam6_do_encap(net, skb, &ilwt->tuninfo,  in ioam6_output()
373 				     ilwt->has_tunsrc, &ilwt->tunsrc,  in ioam6_output()
374 				     &ilwt->tundst);  in ioam6_output()
398 		dst = dst_cache_get(&ilwt->cache);  in ioam6_output()
420 			dst_cache_set_ip6(&ilwt->cache, dst, &fl6.saddr);  in ioam6_output()
444 	struct ioam6_lwt *ilwt = ioam6_lwt_state(lwtstate);  in ioam6_fill_encap_info()  local
447 	err = nla_put_u32(skb, IOAM6_IPTUNNEL_FREQ_K, ilwt->freq.k);  in ioam6_fill_encap_info()
451 	err = nla_put_u32(skb, IOAM6_IPTUNNEL_FREQ_N, ilwt->freq.n);  in ioam6_fill_encap_info()
455 	err = nla_put_u8(skb, IOAM6_IPTUNNEL_MODE, ilwt->mode);  in ioam6_fill_encap_info()
459 	if (ilwt->mode != IOAM6_IPTUNNEL_MODE_INLINE) {  in ioam6_fill_encap_info()
460 		if (ilwt->has_tunsrc) {  in ioam6_fill_encap_info()
462 					       &ilwt->tunsrc);  in ioam6_fill_encap_info()
467 		err = nla_put_in6_addr(skb, IOAM6_IPTUNNEL_DST, &ilwt->tundst);  in ioam6_fill_encap_info()
472 	err = nla_put(skb, IOAM6_IPTUNNEL_TRACE, sizeof(ilwt->tuninfo.traceh),  in ioam6_fill_encap_info()
473 		      &ilwt->tuninfo.traceh);  in ioam6_fill_encap_info()
480 	struct ioam6_lwt *ilwt = ioam6_lwt_state(lwtstate);  in ioam6_encap_nlsize()  local
483 	nlsize = nla_total_size(sizeof(ilwt->freq.k)) +  in ioam6_encap_nlsize()
484 		  nla_total_size(sizeof(ilwt->freq.n)) +  in ioam6_encap_nlsize()
485 		  nla_total_size(sizeof(ilwt->mode)) +  in ioam6_encap_nlsize()
486 		  nla_total_size(sizeof(ilwt->tuninfo.traceh));  in ioam6_encap_nlsize()
488 	if (ilwt->mode != IOAM6_IPTUNNEL_MODE_INLINE) {  in ioam6_encap_nlsize()
489 		if (ilwt->has_tunsrc)  in ioam6_encap_nlsize()
490 			nlsize += nla_total_size(sizeof(ilwt->tunsrc));  in ioam6_encap_nlsize()
492 		nlsize += nla_total_size(sizeof(ilwt->tundst));  in ioam6_encap_nlsize()