1 // SPDX-License-Identifier: GPL-2.0
62 	if (query->is_multicast) {  in qeth_l3_find_addr_by_ip()
63 		hash_for_each_possible(card->rx_mode_addrs, addr, hnode, key)  in qeth_l3_find_addr_by_ip()
67 		hash_for_each_possible(card->ip_htable,  addr, hnode, key)  in qeth_l3_find_addr_by_ip()
81 		for (j = 7; j >= 0; --j) {  in qeth_l3_convert_addr_to_bits()
96 	if (!card->ipato.enabled)  in qeth_l3_is_addr_covered_by_ipato()
98 	if (addr->type != QETH_IP_TYPE_NORMAL)  in qeth_l3_is_addr_covered_by_ipato()
101 	qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits,  in qeth_l3_is_addr_covered_by_ipato()
102 				     (addr->proto == QETH_PROT_IPV4) ? 4 : 16);  in qeth_l3_is_addr_covered_by_ipato()
103 	list_for_each_entry(ipatoe, &card->ipato.entries, entry) {  in qeth_l3_is_addr_covered_by_ipato()
104 		if (addr->proto != ipatoe->proto)  in qeth_l3_is_addr_covered_by_ipato()
106 		qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,  in qeth_l3_is_addr_covered_by_ipato()
107 					  (ipatoe->proto == QETH_PROT_IPV4) ?  in qeth_l3_is_addr_covered_by_ipato()
109 		rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits);  in qeth_l3_is_addr_covered_by_ipato()
114 	if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)  in qeth_l3_is_addr_covered_by_ipato()
116 	else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)  in qeth_l3_is_addr_covered_by_ipato()
128 	if (tmp_addr->type == QETH_IP_TYPE_RXIP)  in qeth_l3_delete_ip()
130 	else if (tmp_addr->type == QETH_IP_TYPE_VIPA)  in qeth_l3_delete_ip()
135 	if (tmp_addr->proto == QETH_PROT_IPV4)  in qeth_l3_delete_ip()
136 		QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4);  in qeth_l3_delete_ip()
138 		QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8);  in qeth_l3_delete_ip()
139 		QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);  in qeth_l3_delete_ip()
144 		return -ENOENT;  in qeth_l3_delete_ip()
146 	addr->ref_counter--;  in qeth_l3_delete_ip()
147 	if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0)  in qeth_l3_delete_ip()
153 	hash_del(&addr->hnode);  in qeth_l3_delete_ip()
165 	if (tmp_addr->type == QETH_IP_TYPE_RXIP)  in qeth_l3_add_ip()
167 	else if (tmp_addr->type == QETH_IP_TYPE_VIPA)  in qeth_l3_add_ip()
172 	if (tmp_addr->proto == QETH_PROT_IPV4)  in qeth_l3_add_ip()
173 		QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4);  in qeth_l3_add_ip()
175 		QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8);  in qeth_l3_add_ip()
176 		QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);  in qeth_l3_add_ip()
181 		if (tmp_addr->type != QETH_IP_TYPE_NORMAL)  in qeth_l3_add_ip()
182 			return -EADDRINUSE;  in qeth_l3_add_ip()
184 			addr->ref_counter++;  in qeth_l3_add_ip()
187 		qeth_l3_ipaddr_to_string(tmp_addr->proto, (u8 *)&tmp_addr->u,  in qeth_l3_add_ip()
189 		dev_warn(&card->gdev->dev,  in qeth_l3_add_ip()
191 		return -EADDRINUSE;  in qeth_l3_add_ip()
195 			return -ENOMEM;  in qeth_l3_add_ip()
199 			addr->ipato = 1;  in qeth_l3_add_ip()
201 		hash_add(card->ip_htable, &addr->hnode,  in qeth_l3_add_ip()
205 			addr->disp_flag = QETH_DISP_ADDR_ADD;  in qeth_l3_add_ip()
211 		if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {  in qeth_l3_add_ip()
212 			addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;  in qeth_l3_add_ip()
214 			hash_del(&addr->hnode);  in qeth_l3_add_ip()
226 	mutex_lock(&card->ip_lock);  in qeth_l3_modify_ip()
228 	mutex_unlock(&card->ip_lock);  in qeth_l3_modify_ip()
239 	hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) {  in qeth_l3_drain_rx_mode_cache()
240 		hash_del(&addr->hnode);  in qeth_l3_drain_rx_mode_cache()
253 	mutex_lock(&card->ip_lock);  in qeth_l3_clear_ip_htable()
255 	hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {  in qeth_l3_clear_ip_htable()
257 			hash_del(&addr->hnode);  in qeth_l3_clear_ip_htable()
261 			addr->disp_flag = QETH_DISP_ADDR_ADD;  in qeth_l3_clear_ip_htable()
265 	mutex_unlock(&card->ip_lock);  in qeth_l3_clear_ip_htable()
277 	mutex_lock(&card->ip_lock);  in qeth_l3_recover_ip()
279 	hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {  in qeth_l3_recover_ip()
280 		if (addr->disp_flag == QETH_DISP_ADDR_ADD) {  in qeth_l3_recover_ip()
283 			if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {  in qeth_l3_recover_ip()
285 				addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;  in qeth_l3_recover_ip()
288 				hash_del(&addr->hnode);  in qeth_l3_recover_ip()
294 	mutex_unlock(&card->ip_lock);  in qeth_l3_recover_ip()
302 	switch (cmd->hdr.return_code) {  in qeth_l3_setdelip_cb()
306 		return -EADDRINUSE;  in qeth_l3_setdelip_cb()
308 		return -ENOENT;  in qeth_l3_setdelip_cb()
310 		return -ENETDOWN;  in qeth_l3_setdelip_cb()
312 		return -EIO;  in qeth_l3_setdelip_cb()
325 	iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto,  in qeth_l3_send_setdelmc()
328 		return -ENOMEM;  in qeth_l3_send_setdelmc()
330 	if (addr->proto == QETH_PROT_IPV6) {  in qeth_l3_send_setdelmc()
331 		cmd->data.setdelipm.ip = addr->u.a6.addr;  in qeth_l3_send_setdelmc()
332 		ipv6_eth_mc_map(&addr->u.a6.addr, cmd->data.setdelipm.mac);  in qeth_l3_send_setdelmc()
334 		cmd->data.setdelipm.ip.s6_addr32[3] = addr->u.a4.addr;  in qeth_l3_send_setdelmc()
335 		ip_eth_mc_map(addr->u.a4.addr, cmd->data.setdelipm.mac);  in qeth_l3_send_setdelmc()
348 		prefix->s6_addr32[i] = inet_make_mask(mask_len);  in qeth_l3_set_ipv6_prefix()
349 		len -= mask_len;  in qeth_l3_set_ipv6_prefix()
356 	switch (addr->type) {  in qeth_l3_get_setdelip_flags()
363 		return (set && addr->ipato) ? QETH_IPA_SETIP_TAKEOVER_FLAG : 0;  in qeth_l3_get_setdelip_flags()
377 	iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto,  in qeth_l3_send_setdelip()
380 		return -ENOMEM;  in qeth_l3_send_setdelip()
386 	if (addr->proto == QETH_PROT_IPV6) {  in qeth_l3_send_setdelip()
387 		cmd->data.setdelip6.addr = addr->u.a6.addr;  in qeth_l3_send_setdelip()
388 		qeth_l3_set_ipv6_prefix(&cmd->data.setdelip6.prefix,  in qeth_l3_send_setdelip()
389 					addr->u.a6.pfxlen);  in qeth_l3_send_setdelip()
390 		cmd->data.setdelip6.flags = flags;  in qeth_l3_send_setdelip()
392 		cmd->data.setdelip4.addr = addr->u.a4.addr;  in qeth_l3_send_setdelip()
393 		cmd->data.setdelip4.mask = addr->u.a4.mask;  in qeth_l3_send_setdelip()
394 		cmd->data.setdelip4.flags = flags;  in qeth_l3_send_setdelip()
411 		return -ENOMEM;  in qeth_l3_send_setrouting()
413 	cmd->data.setrtg.type = (type);  in qeth_l3_send_setrouting()
449 	return -EINVAL;  in qeth_l3_correct_routing_type()
458 	rc = qeth_l3_correct_routing_type(card, &card->options.route4.type,  in qeth_l3_setrouting_v4()
463 	rc = qeth_l3_send_setrouting(card, card->options.route4.type,  in qeth_l3_setrouting_v4()
466 		card->options.route4.type = NO_ROUTER;  in qeth_l3_setrouting_v4()
481 	rc = qeth_l3_correct_routing_type(card, &card->options.route6.type,  in qeth_l3_setrouting_v6()
486 	rc = qeth_l3_send_setrouting(card, card->options.route6.type,  in qeth_l3_setrouting_v6()
489 		card->options.route6.type = NO_ROUTER;  in qeth_l3_setrouting_v6()
501  * qeth_l3_update_ipato() - Update 'takeover' property, for all NORMAL IPs.
510 	hash_for_each(card->ip_htable, i, addr, hnode) {  in qeth_l3_update_ipato()
511 		if (addr->type != QETH_IP_TYPE_NORMAL)  in qeth_l3_update_ipato()
513 		addr->ipato = qeth_l3_is_addr_covered_by_ipato(card, addr);  in qeth_l3_update_ipato()
521 	mutex_lock(&card->ip_lock);  in qeth_l3_clear_ipato_list()
523 	list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {  in qeth_l3_clear_ipato_list()
524 		list_del(&ipatoe->entry);  in qeth_l3_clear_ipato_list()
529 	mutex_unlock(&card->ip_lock);  in qeth_l3_clear_ipato_list()
540 	mutex_lock(&card->ip_lock);  in qeth_l3_add_ipato_entry()
542 	list_for_each_entry(ipatoe, &card->ipato.entries, entry) {  in qeth_l3_add_ipato_entry()
543 		if (ipatoe->proto != new->proto)  in qeth_l3_add_ipato_entry()
545 		if (!memcmp(ipatoe->addr, new->addr,  in qeth_l3_add_ipato_entry()
546 			    (ipatoe->proto == QETH_PROT_IPV4) ? 4 : 16) &&  in qeth_l3_add_ipato_entry()
547 		    (ipatoe->mask_bits == new->mask_bits)) {  in qeth_l3_add_ipato_entry()
548 			rc = -EEXIST;  in qeth_l3_add_ipato_entry()
554 		list_add_tail(&new->entry, &card->ipato.entries);  in qeth_l3_add_ipato_entry()
558 	mutex_unlock(&card->ip_lock);  in qeth_l3_add_ipato_entry()
568 	int rc = -ENOENT;  in qeth_l3_del_ipato_entry()
572 	mutex_lock(&card->ip_lock);  in qeth_l3_del_ipato_entry()
574 	list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {  in qeth_l3_del_ipato_entry()
575 		if (ipatoe->proto != proto)  in qeth_l3_del_ipato_entry()
577 		if (!memcmp(ipatoe->addr, addr,  in qeth_l3_del_ipato_entry()
579 		    (ipatoe->mask_bits == mask_bits)) {  in qeth_l3_del_ipato_entry()
580 			list_del(&ipatoe->entry);  in qeth_l3_del_ipato_entry()
587 	mutex_unlock(&card->ip_lock);  in qeth_l3_del_ipato_entry()
616 		addr.u.a6.addr.s6_addr[8+i] = card->options.hsuid[i];  in qeth_l3_modify_hsuid()
628 	if (card->options.sniffer)  in qeth_l3_register_addr_entry()
631 	if (addr->proto == QETH_PROT_IPV4) {  in qeth_l3_register_addr_entry()
633 		QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int));  in qeth_l3_register_addr_entry()
634 	} else if (addr->proto == QETH_PROT_IPV6) {  in qeth_l3_register_addr_entry()
636 		QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8);  in qeth_l3_register_addr_entry()
637 		QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8);  in qeth_l3_register_addr_entry()
643 		if (addr->is_multicast)  in qeth_l3_register_addr_entry()
649 	} while ((--cnt > 0) && rc);  in qeth_l3_register_addr_entry()
652 		qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);  in qeth_l3_register_addr_entry()
653 		dev_warn(&card->gdev->dev,  in qeth_l3_register_addr_entry()
664 	if (card->options.sniffer)  in qeth_l3_deregister_addr_entry()
667 	if (addr->proto == QETH_PROT_IPV4) {  in qeth_l3_deregister_addr_entry()
669 		QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int));  in qeth_l3_deregister_addr_entry()
670 	} else if (addr->proto == QETH_PROT_IPV6) {  in qeth_l3_deregister_addr_entry()
672 		QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8);  in qeth_l3_deregister_addr_entry()
673 		QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8);  in qeth_l3_deregister_addr_entry()
678 	if (addr->is_multicast)  in qeth_l3_deregister_addr_entry()
697 			dev_warn(&card->gdev->dev, "Reading the adapter MAC"  in qeth_l3_setadapter_parms()
711 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_arp_processing()
713 			 netdev_name(card->dev));  in qeth_l3_start_ipa_arp_processing()
719 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_arp_processing()
721 			 netdev_name(card->dev));  in qeth_l3_start_ipa_arp_processing()
733 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_source_mac()
734 			 "Inbound source MAC-address not supported on %s\n",  in qeth_l3_start_ipa_source_mac()
735 			 netdev_name(card->dev));  in qeth_l3_start_ipa_source_mac()
736 		return -EOPNOTSUPP;  in qeth_l3_start_ipa_source_mac()
742 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_source_mac()
743 			 "Starting source MAC-address support for %s failed\n",  in qeth_l3_start_ipa_source_mac()
744 			 netdev_name(card->dev));  in qeth_l3_start_ipa_source_mac()
755 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_vlan()
756 			 "VLAN not supported on %s\n", netdev_name(card->dev));  in qeth_l3_start_ipa_vlan()
757 		return -EOPNOTSUPP;  in qeth_l3_start_ipa_vlan()
763 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_vlan()
765 			 netdev_name(card->dev));  in qeth_l3_start_ipa_vlan()
767 		dev_info(&card->gdev->dev, "VLAN enabled\n");  in qeth_l3_start_ipa_vlan()
779 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_multicast()
781 			 netdev_name(card->dev));  in qeth_l3_start_ipa_multicast()
782 		return -EOPNOTSUPP;  in qeth_l3_start_ipa_multicast()
788 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_multicast()
790 			 netdev_name(card->dev));  in qeth_l3_start_ipa_multicast()
792 		dev_info(&card->gdev->dev, "Multicast enabled\n");  in qeth_l3_start_ipa_multicast()
793 		card->dev->flags |= IFF_MULTICAST;  in qeth_l3_start_ipa_multicast()
811 		dev_err(&card->gdev->dev,  in qeth_l3_softsetup_ipv6()
813 			netdev_name(card->dev));  in qeth_l3_softsetup_ipv6()
819 		dev_err(&card->gdev->dev,  in qeth_l3_softsetup_ipv6()
821 			 netdev_name(card->dev));  in qeth_l3_softsetup_ipv6()
827 		dev_warn(&card->gdev->dev,  in qeth_l3_softsetup_ipv6()
829 			 netdev_name(card->dev));  in qeth_l3_softsetup_ipv6()
833 	dev_info(&card->gdev->dev, "IPV6 enabled\n");  in qeth_l3_softsetup_ipv6()
842 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_ipv6()
843 			 "IPv6 not supported on %s\n", netdev_name(card->dev));  in qeth_l3_start_ipa_ipv6()
855 	card->info.broadcast_capable = 0;  in qeth_l3_start_ipa_broadcast()
857 		dev_info(&card->gdev->dev,  in qeth_l3_start_ipa_broadcast()
859 			 netdev_name(card->dev));  in qeth_l3_start_ipa_broadcast()
860 		rc = -EOPNOTSUPP;  in qeth_l3_start_ipa_broadcast()
866 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_broadcast()
868 			 netdev_name(card->dev));  in qeth_l3_start_ipa_broadcast()
875 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_broadcast()
877 			 netdev_name(card->dev));  in qeth_l3_start_ipa_broadcast()
880 	card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;  in qeth_l3_start_ipa_broadcast()
881 	dev_info(&card->gdev->dev, "Broadcast enabled\n");  in qeth_l3_start_ipa_broadcast()
885 		dev_warn(&card->gdev->dev,  in qeth_l3_start_ipa_broadcast()
887 			 netdev_name(card->dev));  in qeth_l3_start_ipa_broadcast()
890 	card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;  in qeth_l3_start_ipa_broadcast()
892 	if (card->info.broadcast_capable)  in qeth_l3_start_ipa_broadcast()
893 		card->dev->flags |= IFF_BROADCAST;  in qeth_l3_start_ipa_broadcast()
895 		card->dev->flags &= ~IFF_BROADCAST;  in qeth_l3_start_ipa_broadcast()
916 	if (cmd->hdr.return_code)  in qeth_l3_iqd_read_initial_mac_cb()
917 		return -EIO;  in qeth_l3_iqd_read_initial_mac_cb()
918 	if (!is_valid_ether_addr(cmd->data.create_destroy_addr.mac_addr))  in qeth_l3_iqd_read_initial_mac_cb()
919 		return -EADDRNOTAVAIL;  in qeth_l3_iqd_read_initial_mac_cb()
921 	eth_hw_addr_set(card->dev, cmd->data.create_destroy_addr.mac_addr);  in qeth_l3_iqd_read_initial_mac_cb()
935 		return -ENOMEM;  in qeth_l3_iqd_read_initial_mac()
946 	u16 *uid = reply->param;  in qeth_l3_get_unique_id_cb()
948 	if (cmd->hdr.return_code == 0) {  in qeth_l3_get_unique_id_cb()
949 		*uid = cmd->data.create_destroy_addr.uid;  in qeth_l3_get_unique_id_cb()
953 	dev_warn(&card->gdev->dev, "The network adapter failed to generate a unique ID\n");  in qeth_l3_get_unique_id_cb()
954 	return -EIO;  in qeth_l3_get_unique_id_cb()
971 	__ipa_cmd(iob)->data.create_destroy_addr.uid = uid;  in qeth_l3_get_unique_id()
988 	rc = cmd->hdr.return_code;  in qeth_diags_trace_cb()
991 	switch (cmd->data.diagass.action) {  in qeth_diags_trace_cb()
998 			card->info.promisc_mode = SET_PROMISC_MODE_OFF;  in qeth_diags_trace_cb()
999 			dev_info(&card->gdev->dev, "The HiperSockets network "  in qeth_diags_trace_cb()
1009 			card->info.promisc_mode = SET_PROMISC_MODE_ON;  in qeth_diags_trace_cb()
1010 			dev_info(&card->gdev->dev, "The HiperSockets network "  in qeth_diags_trace_cb()
1014 			dev_warn(&card->gdev->dev, "The device is not "  in qeth_diags_trace_cb()
1019 			dev_warn(&card->gdev->dev, "A HiperSockets "  in qeth_diags_trace_cb()
1029 				 cmd->data.diagass.action, CARD_DEVID(card));  in qeth_diags_trace_cb()
1032 	return rc ? -EIO : 0;  in qeth_diags_trace_cb()
1045 		return -ENOMEM;  in qeth_diags_trace()
1047 	cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET;  in qeth_diags_trace()
1048 	cmd->data.diagass.action = diags_cmd;  in qeth_diags_trace()
1064 	if (!dev || !(dev->flags & IFF_UP))  in qeth_l3_add_mcast_rtnl()
1075 	for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL;  in qeth_l3_add_mcast_rtnl()
1076 	     im4 = rtnl_dereference(im4->next_rcu)) {  in qeth_l3_add_mcast_rtnl()
1077 		tmp.u.a4.addr = im4->multiaddr;  in qeth_l3_add_mcast_rtnl()
1081 			/* for mcast, by-IP match means full match */  in qeth_l3_add_mcast_rtnl()
1082 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;  in qeth_l3_add_mcast_rtnl()
1090 		hash_add(card->rx_mode_addrs, &ipm->hnode,  in qeth_l3_add_mcast_rtnl()
1106 	for (im6 = rtnl_dereference(in6_dev->mc_list);  in qeth_l3_add_mcast_rtnl()
1108 	     im6 = rtnl_dereference(im6->next)) {  in qeth_l3_add_mcast_rtnl()
1109 		tmp.u.a6.addr = im6->mca_addr;  in qeth_l3_add_mcast_rtnl()
1113 			/* for mcast, by-IP match means full match */  in qeth_l3_add_mcast_rtnl()
1114 			ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;  in qeth_l3_add_mcast_rtnl()
1122 		hash_add(card->rx_mode_addrs, &ipm->hnode,  in qeth_l3_add_mcast_rtnl()
1133 	bool enable = card->dev->flags & IFF_PROMISC;  in qeth_l3_set_promisc_mode()
1135 	if (card->info.promisc_mode == enable)  in qeth_l3_set_promisc_mode()
1141 	} else if (card->options.sniffer &&	/* HiperSockets trace */  in qeth_l3_set_promisc_mode()
1147 			QETH_CARD_TEXT(card, 3, "-promisc");  in qeth_l3_set_promisc_mode()
1163 	if (!card->options.sniffer) {  in qeth_l3_rx_mode_work()
1165 		qeth_l3_add_mcast_rtnl(card->dev, 0, card);  in qeth_l3_rx_mode_work()
1167 			vlan_for_each(card->dev, qeth_l3_add_mcast_rtnl, card);  in qeth_l3_rx_mode_work()
1170 		hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) {  in qeth_l3_rx_mode_work()
1171 			switch (addr->disp_flag) {  in qeth_l3_rx_mode_work()
1174 				if (!rc || rc == -ENOENT) {  in qeth_l3_rx_mode_work()
1175 					hash_del(&addr->hnode);  in qeth_l3_rx_mode_work()
1181 				if (rc && rc != -ENETDOWN) {  in qeth_l3_rx_mode_work()
1182 					hash_del(&addr->hnode);  in qeth_l3_rx_mode_work()
1189 				addr->disp_flag = QETH_DISP_ADDR_DELETE;  in qeth_l3_rx_mode_work()
1204 		return -EOPNOTSUPP;  in qeth_l3_arp_makerc()
1206 		return -EINVAL;  in qeth_l3_arp_makerc()
1208 		return -ENOENT;  in qeth_l3_arp_makerc()
1210 		return -EIO;  in qeth_l3_arp_makerc()
1220 	return qeth_l3_arp_makerc(cmd->hdr.return_code);  in qeth_l3_arp_cmd_cb()
1236 		return -EOPNOTSUPP;  in qeth_l3_arp_set_no_entries()
1238 		return -EOPNOTSUPP;  in qeth_l3_arp_set_no_entries()
1246 		return -ENOMEM;  in qeth_l3_arp_set_no_entries()
1248 	__ipa_cmd(iob)->data.setassparms.data.flags_32bit = (u32) no_entries;  in qeth_l3_arp_set_no_entries()
1263 	is_hsi = qdata->reply_bits == 5;  in get_arp_entry_size()
1264 	if (type->ip == QETHARP_IP_ADDR_V4) {  in get_arp_entry_size()
1273 	} else if (type->ip == QETHARP_IP_ADDR_V6) {  in get_arp_entry_size()
1294 	return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) ||  in arpentry_matches_prot()
1295 		(type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6);  in arpentry_matches_prot()
1311 	qinfo = (struct qeth_arp_query_info *) reply->param;  in qeth_l3_arp_query_cb()
1313 	QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version);  in qeth_l3_arp_query_cb()
1314 	if (cmd->hdr.return_code) {  in qeth_l3_arp_query_cb()
1316 		QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);  in qeth_l3_arp_query_cb()
1317 		return qeth_l3_arp_makerc(cmd->hdr.return_code);  in qeth_l3_arp_query_cb()
1319 	if (cmd->data.setassparms.hdr.return_code) {  in qeth_l3_arp_query_cb()
1320 		cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;  in qeth_l3_arp_query_cb()
1322 		QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);  in qeth_l3_arp_query_cb()
1323 		return qeth_l3_arp_makerc(cmd->hdr.return_code);  in qeth_l3_arp_query_cb()
1325 	qdata = &cmd->data.setassparms.data.query_arp;  in qeth_l3_arp_query_cb()
1326 	QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries);  in qeth_l3_arp_query_cb()
1328 	do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0;  in qeth_l3_arp_query_cb()
1331 	for (e = 0; e < qdata->no_entries; ++e) {  in qeth_l3_arp_query_cb()
1336 		cur_entry = &qdata->data + entrybytes_done;  in qeth_l3_arp_query_cb()
1337 		etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type;  in qeth_l3_arp_query_cb()
1338 		if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) {  in qeth_l3_arp_query_cb()
1340 			QETH_CARD_TEXT_(card, 4, "%i", etype->ip);  in qeth_l3_arp_query_cb()
1349 		if ((qinfo->udata_len - qinfo->udata_offset) < esize) {  in qeth_l3_arp_query_cb()
1350 			QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOSPC);  in qeth_l3_arp_query_cb()
1351 			memset(qinfo->udata, 0, 4);  in qeth_l3_arp_query_cb()
1352 			return -ENOSPC;  in qeth_l3_arp_query_cb()
1355 		memcpy(qinfo->udata + qinfo->udata_offset,  in qeth_l3_arp_query_cb()
1356 			&qdata->data + entrybytes_done + stripped_bytes,  in qeth_l3_arp_query_cb()
1359 		qinfo->udata_offset += esize;  in qeth_l3_arp_query_cb()
1360 		++qinfo->no_entries;  in qeth_l3_arp_query_cb()
1363 	if (cmd->data.setassparms.hdr.seq_no <  in qeth_l3_arp_query_cb()
1364 	    cmd->data.setassparms.hdr.number_of_replies)  in qeth_l3_arp_query_cb()
1366 	QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries);  in qeth_l3_arp_query_cb()
1367 	memcpy(qinfo->udata, &qinfo->no_entries, 4);  in qeth_l3_arp_query_cb()
1370 	if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)  in qeth_l3_arp_query_cb()
1371 		qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;  in qeth_l3_arp_query_cb()
1372 	memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2);  in qeth_l3_arp_query_cb()
1391 		return -ENOMEM;  in qeth_l3_query_arp_cache_info()
1393 	cmd->data.setassparms.data.query_arp.request_bits = 0x000F;  in qeth_l3_query_arp_cache_info()
1411 		rc = -EOPNOTSUPP;  in qeth_l3_arp_query()
1414 	/* get size of userspace buffer and mask_bits -> 6 bytes */  in qeth_l3_arp_query()
1416 		rc = -EFAULT;  in qeth_l3_arp_query()
1421 		rc = -ENOMEM;  in qeth_l3_arp_query()
1428 			rc = -EFAULT;  in qeth_l3_arp_query()
1437 		rc = -EFAULT;  in qeth_l3_arp_query()
1467 		return -EOPNOTSUPP;  in qeth_l3_arp_modify_entry()
1469 		return -EOPNOTSUPP;  in qeth_l3_arp_modify_entry()
1476 		return -ENOMEM;  in qeth_l3_arp_modify_entry()
1478 	cmd_entry = &__ipa_cmd(iob)->data.setassparms.data.arp_entry;  in qeth_l3_arp_modify_entry()
1479 	ether_addr_copy(cmd_entry->macaddr, entry->macaddr);  in qeth_l3_arp_modify_entry()
1480 	memcpy(cmd_entry->ipaddr, entry->ipaddr, 4);  in qeth_l3_arp_modify_entry()
1501 		return -EOPNOTSUPP;  in qeth_l3_arp_flush_cache()
1503 		return -EOPNOTSUPP;  in qeth_l3_arp_flush_cache()
1510 		return -ENOMEM;  in qeth_l3_arp_flush_cache()
1522 	struct qeth_card *card = dev->ml_priv;  in qeth_l3_ndo_siocdevprivate()
1530 			rc = -EPERM;  in qeth_l3_ndo_siocdevprivate()
1533 		rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);  in qeth_l3_ndo_siocdevprivate()
1537 			rc = -EPERM;  in qeth_l3_ndo_siocdevprivate()
1545 			return -EPERM;  in qeth_l3_ndo_siocdevprivate()
1547 			return -EFAULT;  in qeth_l3_ndo_siocdevprivate()
1555 			rc = -EPERM;  in qeth_l3_ndo_siocdevprivate()
1575 		int cast_type = n->type;  in qeth_l3_get_cast_type_rcu()
1588 		if (ipv4_is_lbcast(ip_hdr(skb)->daddr))  in qeth_l3_get_cast_type_rcu()
1590 		return ipv4_is_multicast(ip_hdr(skb)->daddr) ?  in qeth_l3_get_cast_type_rcu()
1593 		return ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) ?  in qeth_l3_get_cast_type_rcu()
1631 	struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3;  in qeth_l3_fill_header()
1633 	struct qeth_card *card = queue->card;  in qeth_l3_fill_header()
1637 	hdr->hdr.l3.length = data_len;  in qeth_l3_fill_header()
1640 		hdr->hdr.l3.id = QETH_HEADER_TYPE_L3_TSO;  in qeth_l3_fill_header()
1642 		hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;  in qeth_l3_fill_header()
1644 		if (skb->ip_summed == CHECKSUM_PARTIAL) {  in qeth_l3_fill_header()
1645 			qeth_tx_csum(skb, &hdr->hdr.l3.ext_flags, proto);  in qeth_l3_fill_header()
1648 				hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_HDR_REQ;  in qeth_l3_fill_header()
1655 			hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_VLAN_FRAME;  in qeth_l3_fill_header()
1656 			hdr->hdr.l3.vlan_id = skb_vlan_tag_get(skb);  in qeth_l3_fill_header()
1658 	} else if (veth->h_vlan_proto == htons(ETH_P_8021Q)) {  in qeth_l3_fill_header()
1659 		hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_INCLUDE_VLAN_TAG;  in qeth_l3_fill_header()
1660 		hdr->hdr.l3.vlan_id = ntohs(veth->h_vlan_TCI);  in qeth_l3_fill_header()
1670 	l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type);  in qeth_l3_fill_header()
1674 		l3_hdr->next_hop.addr.s6_addr32[3] =  in qeth_l3_fill_header()
1678 		l3_hdr->next_hop.addr = *qeth_next_hop_v6_rcu(skb, dst);  in qeth_l3_fill_header()
1680 		hdr->hdr.l3.flags |= QETH_HDR_IPV6;  in qeth_l3_fill_header()
1682 			hdr->hdr.l3.flags |= QETH_HDR_PASSTHRU;  in qeth_l3_fill_header()
1685 		l3_hdr->next_hop.addr.s6_addr16[0] = htons(0xfe80);  in qeth_l3_fill_header()
1686 		memcpy(&l3_hdr->next_hop.addr.s6_addr32[2],  in qeth_l3_fill_header()
1687 		       iucv_trans_hdr(skb)->destUserID, 8);  in qeth_l3_fill_header()
1688 		l3_hdr->flags |= QETH_HDR_IPV6;  in qeth_l3_fill_header()
1692 		l3_hdr->flags |= QETH_HDR_PASSTHRU;  in qeth_l3_fill_header()
1702 	if (skb->ip_summed == CHECKSUM_PARTIAL)  in qeth_l3_fixup_headers()
1703 		iph->check = 0;  in qeth_l3_fixup_headers()
1705 		iph->tot_len = 0;  in qeth_l3_fixup_headers()
1706 		tcp_hdr(skb)->check = ~tcp_v4_check(0, iph->saddr,  in qeth_l3_fixup_headers()
1707 						    iph->daddr, 0);  in qeth_l3_fixup_headers()
1717 	/* re-use the L2 header area for the HW header: */  in qeth_l3_xmit()
1720 	rc = skb_cow_head(skb, hw_hdr_len - ETH_HLEN);  in qeth_l3_xmit()
1732 	struct qeth_card *card = dev->ml_priv;  in qeth_l3_hard_start_xmit()
1739 		qdisc_skb_cb(skb)->pkt_len = skb->len;  in qeth_l3_hard_start_xmit()
1741 		queue = card->qdio.out_qs[qeth_iqd_translate_txq(dev, txq)];  in qeth_l3_hard_start_xmit()
1743 		if (card->options.sniffer)  in qeth_l3_hard_start_xmit()
1748 			if (card->options.cq != QETH_CQ_ENABLED)  in qeth_l3_hard_start_xmit()
1753 			if (card->options.cq == QETH_CQ_ENABLED)  in qeth_l3_hard_start_xmit()
1760 		queue = card->qdio.out_qs[txq];  in qeth_l3_hard_start_xmit()
1763 	if (!(dev->flags & IFF_BROADCAST) &&  in qeth_l3_hard_start_xmit()
1783 	struct qeth_card *card = dev->ml_priv;  in qeth_l3_set_rx_mode()
1785 	schedule_work(&card->rx_mode_work);  in qeth_l3_set_rx_mode()
1797 	n->nud_state = NUD_NOARP;  in qeth_l3_neigh_setup_noarp()
1798 	memcpy(n->ha, "FAKELL", 6);  in qeth_l3_neigh_setup_noarp()
1799 	n->output = n->ops->connected_output;  in qeth_l3_neigh_setup_noarp()
1806 	if (np->tbl->family == AF_INET)  in qeth_l3_neigh_setup()
1807 		np->neigh_setup = qeth_l3_neigh_setup_noarp;  in qeth_l3_neigh_setup()
1864 	struct net_device *dev = card->dev;  in qeth_l3_setup_netdev()
1869 		card->dev->netdev_ops = &qeth_l3_osa_netdev_ops;  in qeth_l3_setup_netdev()
1872 		dev->dev_id = qeth_l3_get_unique_id(card, dev->dev_id);  in qeth_l3_setup_netdev()
1875 			card->dev->features |= NETIF_F_SG;  in qeth_l3_setup_netdev()
1876 			card->dev->hw_features |= NETIF_F_TSO |  in qeth_l3_setup_netdev()
1878 			card->dev->vlan_features |= NETIF_F_TSO |  in qeth_l3_setup_netdev()
1883 			card->dev->hw_features |= NETIF_F_IPV6_CSUM;  in qeth_l3_setup_netdev()
1884 			card->dev->vlan_features |= NETIF_F_IPV6_CSUM;  in qeth_l3_setup_netdev()
1887 			card->dev->hw_features |= NETIF_F_TSO6;  in qeth_l3_setup_netdev()
1888 			card->dev->vlan_features |= NETIF_F_TSO6;  in qeth_l3_setup_netdev()
1891 		/* allow for de-acceleration of NETIF_F_HW_VLAN_CTAG_TX: */  in qeth_l3_setup_netdev()
1892 		if (card->dev->hw_features & NETIF_F_TSO6)  in qeth_l3_setup_netdev()
1894 		else if (card->dev->hw_features & NETIF_F_TSO)  in qeth_l3_setup_netdev()
1899 		card->dev->flags |= IFF_NOARP;  in qeth_l3_setup_netdev()
1900 		card->dev->netdev_ops = &qeth_l3_netdev_ops;  in qeth_l3_setup_netdev()
1901 		headroom = sizeof(struct qeth_hdr) - ETH_HLEN;  in qeth_l3_setup_netdev()
1907 		return -ENODEV;  in qeth_l3_setup_netdev()
1909 	card->dev->needed_headroom = headroom;  in qeth_l3_setup_netdev()
1910 	card->dev->features |=	NETIF_F_HW_VLAN_CTAG_TX |  in qeth_l3_setup_netdev()
1913 	netif_keep_dst(card->dev);  in qeth_l3_setup_netdev()
1914 	if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6))  in qeth_l3_setup_netdev()
1915 		netif_set_tso_max_size(card->dev,  in qeth_l3_setup_netdev()
1916 				       PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1));  in qeth_l3_setup_netdev()
1918 	netif_napi_add(card->dev, &card->napi, qeth_poll);  in qeth_l3_setup_netdev()
1919 	return register_netdev(card->dev);  in qeth_l3_setup_netdev()
1924 	.groups = qeth_l3_attr_groups,
1929 	struct qeth_card *card = dev_get_drvdata(&gdev->dev);  in qeth_l3_probe_device()
1932 	hash_init(card->ip_htable);  in qeth_l3_probe_device()
1933 	mutex_init(&card->ip_lock);  in qeth_l3_probe_device()
1934 	card->cmd_wq = alloc_ordered_workqueue("%s_cmd", 0,  in qeth_l3_probe_device()
1935 					       dev_name(&gdev->dev));  in qeth_l3_probe_device()
1936 	if (!card->cmd_wq)  in qeth_l3_probe_device()
1937 		return -ENOMEM;  in qeth_l3_probe_device()
1939 	if (gdev->dev.type) {  in qeth_l3_probe_device()
1940 		rc = device_add_groups(&gdev->dev, qeth_l3_attr_groups);  in qeth_l3_probe_device()
1942 			destroy_workqueue(card->cmd_wq);  in qeth_l3_probe_device()
1946 		gdev->dev.type = &qeth_l3_devtype;  in qeth_l3_probe_device()
1949 	INIT_WORK(&card->rx_mode_work, qeth_l3_rx_mode_work);  in qeth_l3_probe_device()
1955 	struct qeth_card *card = dev_get_drvdata(&cgdev->dev);  in qeth_l3_remove_device()
1957 	if (cgdev->dev.type != &qeth_l3_devtype)  in qeth_l3_remove_device()
1958 		device_remove_groups(&cgdev->dev, qeth_l3_attr_groups);  in qeth_l3_remove_device()
1961 	wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);  in qeth_l3_remove_device()
1963 	if (cgdev->state == CCWGROUP_ONLINE)  in qeth_l3_remove_device()
1964 		qeth_set_offline(card, card->discipline, false);  in qeth_l3_remove_device()
1966 	if (card->dev->reg_state == NETREG_REGISTERED)  in qeth_l3_remove_device()
1967 		unregister_netdev(card->dev);  in qeth_l3_remove_device()
1969 	destroy_workqueue(card->cmd_wq);  in qeth_l3_remove_device()
1976 	struct net_device *dev = card->dev;  in qeth_l3_set_online()
1985 	if (!card->options.sniffer) {  in qeth_l3_set_online()
1996 	card->state = CARD_STATE_SOFTSETUP;  in qeth_l3_set_online()
2001 	if (dev->reg_state != NETREG_REGISTERED) {  in qeth_l3_set_online()
2027 			napi_schedule(&card->napi);  in qeth_l3_set_online()
2028 			/* kick-start the NAPI softirq: */  in qeth_l3_set_online()
2038 	card->state = CARD_STATE_DOWN;  in qeth_l3_set_online()
2048 	if (card->options.sniffer &&  in qeth_l3_set_offline()
2049 	    (card->info.promisc_mode == SET_PROMISC_MODE_ON))  in qeth_l3_set_offline()
2052 	if (card->state == CARD_STATE_SOFTSETUP) {  in qeth_l3_set_offline()
2053 		card->state = CARD_STATE_DOWN;  in qeth_l3_set_offline()
2102 	qeth_l3_modify_ip(ip_work->card, &ip_work->addr, true);  in qeth_l3_add_ip_worker()
2110 	qeth_l3_modify_ip(ip_work->card, &ip_work->addr, false);  in qeth_l3_delete_ip_worker()
2118 	if (dev->netdev_ops == &qeth_l3_osa_netdev_ops ||  in qeth_l3_get_card_from_dev()
2119 	    dev->netdev_ops == &qeth_l3_netdev_ops)  in qeth_l3_get_card_from_dev()
2120 		return (struct qeth_card *) dev->ml_priv;  in qeth_l3_get_card_from_dev()
2128 	struct net_device *dev = ifa->ifa_dev->dev;  in qeth_l3_ip_event()
2138 	addr.u.a4.addr = ifa->ifa_address;  in qeth_l3_ip_event()
2139 	addr.u.a4.mask = ifa->ifa_mask;  in qeth_l3_ip_event()
2153 	struct net_device *dev = ifa->idev->dev;  in qeth_l3_ip6_event()
2172 		INIT_WORK(&ip_work->work, qeth_l3_add_ip_worker);  in qeth_l3_ip6_event()
2174 		INIT_WORK(&ip_work->work, qeth_l3_delete_ip_worker);  in qeth_l3_ip6_event()
2176 	ip_work->card = card;  in qeth_l3_ip6_event()
2177 	qeth_l3_init_ipaddr(&ip_work->addr, QETH_IP_TYPE_NORMAL,  in qeth_l3_ip6_event()
2179 	ip_work->addr.u.a6.addr = ifa->addr;  in qeth_l3_ip6_event()
2180 	ip_work->addr.u.a6.pfxlen = ifa->prefix_len;  in qeth_l3_ip6_event()
2182 	queue_work(card->cmd_wq, &ip_work->work);  in qeth_l3_ip6_event()