5  * June 1991 as shown in the file COPYING in the top-level directory of this
42 	struct netdevsim *ns = netdev_priv(dev);  in nsim_start_peer_tx_queue()  local
48 	idx = rq->napi.index;  in nsim_start_peer_tx_queue()
50 	peer_ns = rcu_dereference(ns->peer);  in nsim_start_peer_tx_queue()
55 	peer_dev = peer_ns->netdev;  in nsim_start_peer_tx_queue()
56 	if (dev->real_num_tx_queues != peer_dev->num_rx_queues)  in nsim_start_peer_tx_queue()
76 	if (rx_dev->real_num_tx_queues != tx_dev->num_rx_queues)  in nsim_stop_tx_queue()
81 				NSIM_RING_SIZE - skb_queue_len(&rq->skb_queue),  in nsim_stop_tx_queue()
88 	if (skb_queue_len(&rq->skb_queue) > NSIM_RING_SIZE) {  in nsim_napi_rx()
93 	skb_queue_tail(&rq->skb_queue, skb);  in nsim_napi_rx()
96 	if (skb_queue_len(&rq->skb_queue) >= NSIM_RING_SIZE)  in nsim_napi_rx()
114 	struct netdevsim *ns = netdev_priv(dev);  in nsim_start_xmit()  local
116 	unsigned int len = skb->len;  in nsim_start_xmit()
123 	if (!nsim_ipsec_tx(ns, skb))  in nsim_start_xmit()
126 	peer_ns = rcu_dereference(ns->peer);  in nsim_start_xmit()
130 	peer_dev = peer_ns->netdev;  in nsim_start_xmit()
132 	if (rxq >= peer_dev->num_rx_queues)  in nsim_start_xmit()
133 		rxq = rxq % peer_dev->num_rx_queues;  in nsim_start_xmit()
134 	rq = peer_ns->rq[rxq];  in nsim_start_xmit()
136 	cfg = peer_dev->cfg;  in nsim_start_xmit()
138 	    (cfg->hds_config != ETHTOOL_TCP_DATA_SPLIT_ENABLED ||  in nsim_start_xmit()
139 	     (cfg->hds_config == ETHTOOL_TCP_DATA_SPLIT_ENABLED &&  in nsim_start_xmit()
140 	      cfg->hds_thresh > len)))  in nsim_start_xmit()
147 	if (!hrtimer_active(&rq->napi_timer))  in nsim_start_xmit()
148 		hrtimer_start(&rq->napi_timer, us_to_ktime(5), HRTIMER_MODE_REL);  in nsim_start_xmit()
168 	struct netdevsim *ns = netdev_priv(dev);  in nsim_change_mtu()  local
170 	if (ns->xdp.prog && !ns->xdp.prog->aux->xdp_has_frags &&  in nsim_change_mtu()
172 		return -EBUSY;  in nsim_change_mtu()
174 	WRITE_ONCE(dev->mtu, new_mtu);  in nsim_change_mtu()
187 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_mac()  local
188 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_mac()
192 		return -EINVAL;  in nsim_set_vf_mac()
193 	memcpy(nsim_dev->vfconfigs[vf].vf_mac, mac, ETH_ALEN);  in nsim_set_vf_mac()
201 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_vlan()  local
202 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_vlan()
205 		return -EINVAL;  in nsim_set_vf_vlan()
207 	nsim_dev->vfconfigs[vf].vlan = vlan;  in nsim_set_vf_vlan()
208 	nsim_dev->vfconfigs[vf].qos = qos;  in nsim_set_vf_vlan()
209 	nsim_dev->vfconfigs[vf].vlan_proto = vlan_proto;  in nsim_set_vf_vlan()
216 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_rate()  local
217 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_rate()
219 	if (nsim_esw_mode_is_switchdev(ns->nsim_dev)) {  in nsim_set_vf_rate()
221 		return -EOPNOTSUPP;  in nsim_set_vf_rate()
225 		return -EINVAL;  in nsim_set_vf_rate()
227 	nsim_dev->vfconfigs[vf].min_tx_rate = min;  in nsim_set_vf_rate()
228 	nsim_dev->vfconfigs[vf].max_tx_rate = max;  in nsim_set_vf_rate()
235 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_spoofchk()  local
236 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_spoofchk()
239 		return -EINVAL;  in nsim_set_vf_spoofchk()
240 	nsim_dev->vfconfigs[vf].spoofchk_enabled = val;  in nsim_set_vf_spoofchk()
247 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_rss_query_en()  local
248 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_rss_query_en()
251 		return -EINVAL;  in nsim_set_vf_rss_query_en()
252 	nsim_dev->vfconfigs[vf].rss_query_enabled = val;  in nsim_set_vf_rss_query_en()
259 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_trust()  local
260 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_trust()
263 		return -EINVAL;  in nsim_set_vf_trust()
264 	nsim_dev->vfconfigs[vf].trusted = val;  in nsim_set_vf_trust()
272 	struct netdevsim *ns = netdev_priv(dev);  in nsim_get_vf_config()  local
273 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_get_vf_config()
276 		return -EINVAL;  in nsim_get_vf_config()
278 	ivi->vf = vf;  in nsim_get_vf_config()
279 	ivi->linkstate = nsim_dev->vfconfigs[vf].link_state;  in nsim_get_vf_config()
280 	ivi->min_tx_rate = nsim_dev->vfconfigs[vf].min_tx_rate;  in nsim_get_vf_config()
281 	ivi->max_tx_rate = nsim_dev->vfconfigs[vf].max_tx_rate;  in nsim_get_vf_config()
282 	ivi->vlan = nsim_dev->vfconfigs[vf].vlan;  in nsim_get_vf_config()
283 	ivi->vlan_proto = nsim_dev->vfconfigs[vf].vlan_proto;  in nsim_get_vf_config()
284 	ivi->qos = nsim_dev->vfconfigs[vf].qos;  in nsim_get_vf_config()
285 	memcpy(&ivi->mac, nsim_dev->vfconfigs[vf].vf_mac, ETH_ALEN);  in nsim_get_vf_config()
286 	ivi->spoofchk = nsim_dev->vfconfigs[vf].spoofchk_enabled;  in nsim_get_vf_config()
287 	ivi->trusted = nsim_dev->vfconfigs[vf].trusted;  in nsim_get_vf_config()
288 	ivi->rss_query_en = nsim_dev->vfconfigs[vf].rss_query_enabled;  in nsim_get_vf_config()
295 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_vf_link_state()  local
296 	struct nsim_dev *nsim_dev = ns->nsim_dev;  in nsim_set_vf_link_state()
299 		return -EINVAL;  in nsim_set_vf_link_state()
307 		return -EINVAL;  in nsim_set_vf_link_state()
310 	nsim_dev->vfconfigs[vf].link_state = state;  in nsim_set_vf_link_state()
317 	stats->window_drops = 0;  in nsim_taprio_stats()
318 	stats->tx_overruns = 0;  in nsim_taprio_stats()
326 	switch (offload->cmd) {  in nsim_setup_tc_taprio()
331 		nsim_taprio_stats(&offload->stats);  in nsim_setup_tc_taprio()
334 		err = -EOPNOTSUPP;  in nsim_setup_tc_taprio()
345 	struct netdevsim *ns = netdev_priv(dev);  in nsim_setup_tc()  local
354 						  ns, ns, true);  in nsim_setup_tc()
356 		return -EOPNOTSUPP;  in nsim_setup_tc()
363 	struct netdevsim *ns = netdev_priv(dev);  in nsim_set_features()  local
365 	if ((dev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC))  in nsim_set_features()
366 		return nsim_bpf_disable_tc(ns);  in nsim_set_features()
379 	peer = rcu_dereference(nsim->peer);  in nsim_get_iflink()
380 	iflink = peer ? READ_ONCE(peer->netdev->ifindex) :  in nsim_get_iflink()
381 			READ_ONCE(dev->ifindex);  in nsim_get_iflink()
389 	struct net_device *dev = rq->napi.dev;  in nsim_rcv()
391 	struct netdevsim *ns;  in nsim_rcv()  local
396 	ns = netdev_priv(dev);  in nsim_rcv()
397 	xdp_prog = READ_ONCE(ns->xdp.prog);  in nsim_rcv()
400 		if (skb_queue_empty(&rq->skb_queue))  in nsim_rcv()
403 		skb = skb_dequeue(&rq->skb_queue);  in nsim_rcv()
407 			skblen = skb->len;  in nsim_rcv()
409 			if (skb->ip_summed == CHECKSUM_PARTIAL)  in nsim_rcv()
419 		skblen = skb->len;  in nsim_rcv()
420 		skb_mark_napi_id(skb, &rq->napi);  in nsim_rcv()
450 		.dev = &napi->dev->dev,  in nsim_create_page_pool()
453 		.netdev = napi->dev,  in nsim_create_page_pool()
465 static int nsim_init_napi(struct netdevsim *ns)  in nsim_init_napi()  argument
467 	struct net_device *dev = ns->netdev;  in nsim_init_napi()
471 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_init_napi()
472 		rq = ns->rq[i];  in nsim_init_napi()
474 		netif_napi_add_config_locked(dev, &rq->napi, nsim_poll, i);  in nsim_init_napi()
477 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_init_napi()
478 		rq = ns->rq[i];  in nsim_init_napi()
480 		err = nsim_create_page_pool(&rq->page_pool, &rq->napi);  in nsim_init_napi()
488 	while (i--) {  in nsim_init_napi()
489 		page_pool_destroy(ns->rq[i]->page_pool);  in nsim_init_napi()
490 		ns->rq[i]->page_pool = NULL;  in nsim_init_napi()
493 	for (i = 0; i < dev->num_rx_queues; i++)  in nsim_init_napi()
494 		__netif_napi_del_locked(&ns->rq[i]->napi);  in nsim_init_napi()
504 	napi_schedule(&rq->napi);  in nsim_napi_schedule()
511 	hrtimer_setup(&rq->napi_timer, nsim_napi_schedule, CLOCK_MONOTONIC,  in nsim_rq_timer_init()
515 static void nsim_enable_napi(struct netdevsim *ns)  in nsim_enable_napi()  argument
517 	struct net_device *dev = ns->netdev;  in nsim_enable_napi()
520 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_enable_napi()
521 		struct nsim_rq *rq = ns->rq[i];  in nsim_enable_napi()
523 		netif_queue_set_napi(dev, i, NETDEV_QUEUE_TYPE_RX, &rq->napi);  in nsim_enable_napi()
524 		napi_enable_locked(&rq->napi);  in nsim_enable_napi()
530 	struct netdevsim *ns = netdev_priv(dev);  in nsim_open()  local
535 	err = nsim_init_napi(ns);  in nsim_open()
539 	nsim_enable_napi(ns);  in nsim_open()
544 static void nsim_del_napi(struct netdevsim *ns)  in nsim_del_napi()  argument
546 	struct net_device *dev = ns->netdev;  in nsim_del_napi()
549 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_del_napi()
550 		struct nsim_rq *rq = ns->rq[i];  in nsim_del_napi()
552 		napi_disable_locked(&rq->napi);  in nsim_del_napi()
553 		__netif_napi_del_locked(&rq->napi);  in nsim_del_napi()
557 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_del_napi()
558 		page_pool_destroy(ns->rq[i]->page_pool);  in nsim_del_napi()
559 		ns->rq[i]->page_pool = NULL;  in nsim_del_napi()
565 	struct netdevsim *ns = netdev_priv(dev);  in nsim_stop()  local
571 	peer = rtnl_dereference(ns->peer);  in nsim_stop()
573 		netif_carrier_off(peer->netdev);  in nsim_stop()
575 	nsim_del_napi(ns);  in nsim_stop()
650 /* We don't have true per-queue stats, yet, so do some random fakery here.
661 	stats->packets = rtstats.rx_packets - !!rtstats.rx_packets;  in nsim_get_queue_stats_rx()
662 	stats->bytes = rtstats.rx_bytes;  in nsim_get_queue_stats_rx()
673 	stats->packets = rtstats.tx_packets - !!rtstats.tx_packets;  in nsim_get_queue_stats_tx()
674 	stats->bytes = rtstats.tx_bytes;  in nsim_get_queue_stats_tx()
685 	rx->packets = !!rtstats.rx_packets;  in nsim_get_base_stats()
686 	rx->bytes = 0;  in nsim_get_base_stats()
687 	tx->packets = !!rtstats.tx_packets;  in nsim_get_base_stats()
688 	tx->bytes = 0;  in nsim_get_base_stats()
705 	skb_queue_head_init(&rq->skb_queue);  in nsim_queue_alloc()
712 	hrtimer_cancel(&rq->napi_timer);  in nsim_queue_free()
714 	if (rq->skb_queue.qlen) {  in nsim_queue_free()
716 		dev_dstats_rx_dropped_add(dev, rq->skb_queue.qlen);  in nsim_queue_free()
720 	skb_queue_purge_reason(&rq->skb_queue, SKB_DROP_REASON_QUEUE_PURGE);  in nsim_queue_free()
724 /* Queue reset mode is controlled by ns->rq_reset_mode.
725  * - normal - new NAPI new pool (old NAPI enabled when new added)
726  * - mode 1 - allocate new pool (NAPI is only disabled / enabled)
727  * - mode 2 - new NAPI new pool (old NAPI removed before new added)
728  * - mode 3 - new NAPI new pool (old NAPI disabled when new added)
739 	struct netdevsim *ns = netdev_priv(dev);  in nsim_queue_mem_alloc()  local
742 	if (ns->rq_reset_mode > 3)  in nsim_queue_mem_alloc()
743 		return -EINVAL;  in nsim_queue_mem_alloc()
745 	if (ns->rq_reset_mode == 1) {  in nsim_queue_mem_alloc()
746 		if (!netif_running(ns->netdev))  in nsim_queue_mem_alloc()
747 			return -ENETDOWN;  in nsim_queue_mem_alloc()
748 		return nsim_create_page_pool(&qmem->pp, &ns->rq[idx]->napi);  in nsim_queue_mem_alloc()
751 	qmem->rq = nsim_queue_alloc();  in nsim_queue_mem_alloc()
752 	if (!qmem->rq)  in nsim_queue_mem_alloc()
753 		return -ENOMEM;  in nsim_queue_mem_alloc()
755 	err = nsim_create_page_pool(&qmem->rq->page_pool, &qmem->rq->napi);  in nsim_queue_mem_alloc()
759 	if (!ns->rq_reset_mode)  in nsim_queue_mem_alloc()
760 		netif_napi_add_config_locked(dev, &qmem->rq->napi, nsim_poll,  in nsim_queue_mem_alloc()
766 	nsim_queue_free(dev, qmem->rq);  in nsim_queue_mem_alloc()
773 	struct netdevsim *ns = netdev_priv(dev);  in nsim_queue_mem_free()  local
775 	page_pool_destroy(qmem->pp);  in nsim_queue_mem_free()
776 	if (qmem->rq) {  in nsim_queue_mem_free()
777 		if (!ns->rq_reset_mode)  in nsim_queue_mem_free()
778 			netif_napi_del_locked(&qmem->rq->napi);  in nsim_queue_mem_free()
779 		page_pool_destroy(qmem->rq->page_pool);  in nsim_queue_mem_free()
780 		nsim_queue_free(dev, qmem->rq);  in nsim_queue_mem_free()
788 	struct netdevsim *ns = netdev_priv(dev);  in nsim_queue_start()  local
792 	if (ns->rq_reset_mode == 1) {  in nsim_queue_start()
793 		ns->rq[idx]->page_pool = qmem->pp;  in nsim_queue_start()
794 		napi_enable_locked(&ns->rq[idx]->napi);  in nsim_queue_start()
801 	if (ns->rq_reset_mode == 2) {  in nsim_queue_start()
802 		netif_napi_del_locked(&ns->rq[idx]->napi);  in nsim_queue_start()
803 		netif_napi_add_config_locked(dev, &qmem->rq->napi, nsim_poll,  in nsim_queue_start()
805 	} else if (ns->rq_reset_mode == 3) {  in nsim_queue_start()
806 		netif_napi_add_config_locked(dev, &qmem->rq->napi, nsim_poll,  in nsim_queue_start()
808 		netif_napi_del_locked(&ns->rq[idx]->napi);  in nsim_queue_start()
811 	ns->rq[idx] = qmem->rq;  in nsim_queue_start()
812 	napi_enable_locked(&ns->rq[idx]->napi);  in nsim_queue_start()
820 	struct netdevsim *ns = netdev_priv(dev);  in nsim_queue_stop()  local
824 	napi_disable_locked(&ns->rq[idx]->napi);  in nsim_queue_stop()
826 	if (ns->rq_reset_mode == 1) {  in nsim_queue_stop()
827 		qmem->pp = ns->rq[idx]->page_pool;  in nsim_queue_stop()
828 		page_pool_disable_direct_recycling(qmem->pp);  in nsim_queue_stop()
830 		qmem->rq = ns->rq[idx];  in nsim_queue_stop()
848 	struct netdevsim *ns = file->private_data;  in nsim_qreset_write()  local
854 		return -EINVAL;  in nsim_qreset_write()
856 		return -EFAULT;  in nsim_qreset_write()
861 		return -EINVAL;  in nsim_qreset_write()
863 	netdev_lock(ns->netdev);  in nsim_qreset_write()
864 	if (queue >= ns->netdev->real_num_rx_queues) {  in nsim_qreset_write()
865 		ret = -EINVAL;  in nsim_qreset_write()
869 	ns->rq_reset_mode = mode;  in nsim_qreset_write()
870 	ret = netdev_rx_queue_restart(ns->netdev, queue);  in nsim_qreset_write()
871 	ns->rq_reset_mode = 0;  in nsim_qreset_write()
877 	netdev_unlock(ns->netdev);  in nsim_qreset_write()
891 	struct netdevsim *ns = file->private_data;  in nsim_pp_hold_read()  local
894 	if (ns->page)  in nsim_pp_hold_read()
904 	struct netdevsim *ns = file->private_data;  in nsim_pp_hold_write()  local
914 	if (val == !!ns->page)  in nsim_pp_hold_write()
917 	if (!netif_running(ns->netdev) && val) {  in nsim_pp_hold_write()
918 		ret = -ENETDOWN;  in nsim_pp_hold_write()
920 		ns->page = page_pool_dev_alloc_pages(ns->rq[0]->page_pool);  in nsim_pp_hold_write()
921 		if (!ns->page)  in nsim_pp_hold_write()
922 			ret = -ENOMEM;  in nsim_pp_hold_write()
924 		page_pool_put_full_page(pp_page_to_nmdesc(ns->page)->pp,  in nsim_pp_hold_write()
925 					ns->page, false);  in nsim_pp_hold_write()
926 		ns->page = NULL;  in nsim_pp_hold_write()
947 	dev->flags &= ~IFF_MULTICAST;  in nsim_setup()
948 	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;  in nsim_setup()
949 	dev->features |= NETIF_F_HIGHDMA |  in nsim_setup()
955 	dev->hw_features |= NETIF_F_HW_TC |  in nsim_setup()
961 	dev->pcpu_stat_type = NETDEV_PCPU_STAT_DSTATS;  in nsim_setup()
962 	dev->max_mtu = ETH_MAX_MTU;  in nsim_setup()
963 	dev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_HW_OFFLOAD;  in nsim_setup()
966 static int nsim_queue_init(struct netdevsim *ns)  in nsim_queue_init()  argument
968 	struct net_device *dev = ns->netdev;  in nsim_queue_init()
971 	ns->rq = kcalloc(dev->num_rx_queues, sizeof(*ns->rq),  in nsim_queue_init()
973 	if (!ns->rq)  in nsim_queue_init()
974 		return -ENOMEM;  in nsim_queue_init()
976 	for (i = 0; i < dev->num_rx_queues; i++) {  in nsim_queue_init()
977 		ns->rq[i] = nsim_queue_alloc();  in nsim_queue_init()
978 		if (!ns->rq[i])  in nsim_queue_init()
985 	while (i--)  in nsim_queue_init()
986 		kfree(ns->rq[i]);  in nsim_queue_init()
987 	kfree(ns->rq);  in nsim_queue_init()
988 	return -ENOMEM;  in nsim_queue_init()
991 static void nsim_queue_uninit(struct netdevsim *ns)  in nsim_queue_uninit()  argument
993 	struct net_device *dev = ns->netdev;  in nsim_queue_uninit()
996 	for (i = 0; i < dev->num_rx_queues; i++)  in nsim_queue_uninit()
997 		nsim_queue_free(dev, ns->rq[i]);  in nsim_queue_uninit()
999 	kfree(ns->rq);  in nsim_queue_uninit()
1000 	ns->rq = NULL;  in nsim_queue_uninit()
1003 static int nsim_init_netdevsim(struct netdevsim *ns)  in nsim_init_netdevsim()  argument
1008 	phc = mock_phc_create(&ns->nsim_bus_dev->dev);  in nsim_init_netdevsim()
1012 	ns->phc = phc;  in nsim_init_netdevsim()
1013 	ns->netdev->netdev_ops = &nsim_netdev_ops;  in nsim_init_netdevsim()
1014 	ns->netdev->stat_ops = &nsim_stat_ops;  in nsim_init_netdevsim()
1015 	ns->netdev->queue_mgmt_ops = &nsim_queue_mgmt_ops;  in nsim_init_netdevsim()
1016 	netdev_lockdep_set_classes(ns->netdev);  in nsim_init_netdevsim()
1018 	err = nsim_udp_tunnels_info_create(ns->nsim_dev, ns->netdev);  in nsim_init_netdevsim()
1023 	err = nsim_queue_init(ns);  in nsim_init_netdevsim()
1027 	err = nsim_bpf_init(ns);  in nsim_init_netdevsim()
1031 	nsim_macsec_init(ns);  in nsim_init_netdevsim()
1032 	nsim_ipsec_init(ns);  in nsim_init_netdevsim()
1034 	err = register_netdevice(ns->netdev);  in nsim_init_netdevsim()
1040 		ns->nb.notifier_call = netdev_debug_event;  in nsim_init_netdevsim()
1041 		if (register_netdevice_notifier_dev_net(ns->netdev, &ns->nb,  in nsim_init_netdevsim()
1042 							&ns->nn))  in nsim_init_netdevsim()
1043 			ns->nb.notifier_call = NULL;  in nsim_init_netdevsim()
1049 	nsim_ipsec_teardown(ns);  in nsim_init_netdevsim()
1050 	nsim_macsec_teardown(ns);  in nsim_init_netdevsim()
1051 	nsim_bpf_uninit(ns);  in nsim_init_netdevsim()
1053 	nsim_queue_uninit(ns);  in nsim_init_netdevsim()
1056 	nsim_udp_tunnels_info_destroy(ns->netdev);  in nsim_init_netdevsim()
1058 	mock_phc_destroy(ns->phc);  in nsim_init_netdevsim()
1062 static int nsim_init_netdevsim_vf(struct netdevsim *ns)  in nsim_init_netdevsim_vf()  argument
1066 	ns->netdev->netdev_ops = &nsim_vf_netdev_ops;  in nsim_init_netdevsim_vf()
1068 	err = register_netdevice(ns->netdev);  in nsim_init_netdevsim_vf()
1073 static void nsim_exit_netdevsim(struct netdevsim *ns)  in nsim_exit_netdevsim()  argument
1075 	nsim_udp_tunnels_info_destroy(ns->netdev);  in nsim_exit_netdevsim()
1076 	mock_phc_destroy(ns->phc);  in nsim_exit_netdevsim()
1084 	struct netdevsim *ns;  in nsim_create()  local
1087 	dev = alloc_netdev_mq(sizeof(*ns), "eth%d", NET_NAME_UNKNOWN, nsim_setup,  in nsim_create()
1088 			      nsim_dev->nsim_bus_dev->num_queues);  in nsim_create()
1090 		return ERR_PTR(-ENOMEM);  in nsim_create()
1093 		memcpy(dev->perm_addr, perm_addr, ETH_ALEN);  in nsim_create()
1096 	ns = netdev_priv(dev);  in nsim_create()
1097 	ns->netdev = dev;  in nsim_create()
1098 	ns->nsim_dev = nsim_dev;  in nsim_create()
1099 	ns->nsim_dev_port = nsim_dev_port;  in nsim_create()
1100 	ns->nsim_bus_dev = nsim_dev->nsim_bus_dev;  in nsim_create()
1101 	SET_NETDEV_DEV(dev, &ns->nsim_bus_dev->dev);  in nsim_create()
1102 	SET_NETDEV_DEVLINK_PORT(dev, &nsim_dev_port->devlink_port);  in nsim_create()
1103 	nsim_ethtool_init(ns);  in nsim_create()
1105 		err = nsim_init_netdevsim(ns);  in nsim_create()
1107 		err = nsim_init_netdevsim_vf(ns);  in nsim_create()
1111 	ns->pp_dfs = debugfs_create_file("pp_hold", 0600, nsim_dev_port->ddir,  in nsim_create()
1112 					 ns, &nsim_pp_hold_fops);  in nsim_create()
1113 	ns->qr_dfs = debugfs_create_file("queue_reset", 0200,  in nsim_create()
1114 					 nsim_dev_port->ddir, ns,  in nsim_create()
1116 	return ns;  in nsim_create()
1123 void nsim_destroy(struct netdevsim *ns)  in nsim_destroy()  argument
1125 	struct net_device *dev = ns->netdev;  in nsim_destroy()
1128 	debugfs_remove(ns->qr_dfs);  in nsim_destroy()
1129 	debugfs_remove(ns->pp_dfs);  in nsim_destroy()
1131 	if (ns->nb.notifier_call)  in nsim_destroy()
1132 		unregister_netdevice_notifier_dev_net(ns->netdev, &ns->nb,  in nsim_destroy()
1133 						      &ns->nn);  in nsim_destroy()
1136 	peer = rtnl_dereference(ns->peer);  in nsim_destroy()
1138 		RCU_INIT_POINTER(peer->peer, NULL);  in nsim_destroy()
1139 	RCU_INIT_POINTER(ns->peer, NULL);  in nsim_destroy()
1141 	if (nsim_dev_port_is_pf(ns->nsim_dev_port)) {  in nsim_destroy()
1142 		nsim_macsec_teardown(ns);  in nsim_destroy()
1143 		nsim_ipsec_teardown(ns);  in nsim_destroy()
1144 		nsim_bpf_uninit(ns);  in nsim_destroy()
1145 		nsim_queue_uninit(ns);  in nsim_destroy()
1148 	if (nsim_dev_port_is_pf(ns->nsim_dev_port))  in nsim_destroy()
1149 		nsim_exit_netdevsim(ns);  in nsim_destroy()
1152 	if (ns->page) {  in nsim_destroy()
1153 		page_pool_put_full_page(pp_page_to_nmdesc(ns->page)->pp,  in nsim_destroy()
1154 					ns->page, false);  in nsim_destroy()
1155 		ns->page = NULL;  in nsim_destroy()
1163 	return dev->netdev_ops == &nsim_netdev_ops;  in netdev_is_nsim()
1171 	return -EOPNOTSUPP;  in nsim_validate()