1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 284a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 29c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 30c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 31c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 32c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 33c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 34caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 35a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 36349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 37349d13d5SHans Wippel u32 *timeout); 384a71df50SFrank Blaschka 394a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 404a71df50SFrank Blaschka { 414a71df50SFrank Blaschka struct qeth_card *card; 424a71df50SFrank Blaschka struct net_device *ndev; 43f06f6f32SCornelia Huck __u16 temp_dev_no; 444a71df50SFrank Blaschka unsigned long flags; 45f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 464a71df50SFrank Blaschka 474a71df50SFrank Blaschka ndev = NULL; 484a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 494a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 504a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 51f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 52f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 534a71df50SFrank Blaschka ndev = card->dev; 544a71df50SFrank Blaschka break; 554a71df50SFrank Blaschka } 564a71df50SFrank Blaschka } 574a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 584a71df50SFrank Blaschka return ndev; 594a71df50SFrank Blaschka } 604a71df50SFrank Blaschka 612aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 624a71df50SFrank Blaschka { 63efbbc1d5SEugene Crosser int rc; 644a71df50SFrank Blaschka 65efbbc1d5SEugene Crosser if (retcode) 661aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 67efbbc1d5SEugene Crosser switch (retcode) { 68efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 69efbbc1d5SEugene Crosser rc = 0; 70efbbc1d5SEugene Crosser break; 71efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 72ffb95251SEugene Crosser rc = -EOPNOTSUPP; 73efbbc1d5SEugene Crosser break; 74efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 75efbbc1d5SEugene Crosser rc = -ENOSPC; 76efbbc1d5SEugene Crosser break; 77efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 78efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 79efbbc1d5SEugene Crosser rc = -EEXIST; 80efbbc1d5SEugene Crosser break; 81efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 82efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 83efbbc1d5SEugene Crosser rc = -EPERM; 84efbbc1d5SEugene Crosser break; 85efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 86efbbc1d5SEugene Crosser rc = -ENOENT; 87efbbc1d5SEugene Crosser break; 881aec42bcSThomas Richter case -ENOMEM: 891aec42bcSThomas Richter rc = -ENOMEM; 901aec42bcSThomas Richter break; 91efbbc1d5SEugene Crosser default: 92efbbc1d5SEugene Crosser rc = -EIO; 93efbbc1d5SEugene Crosser break; 944a71df50SFrank Blaschka } 95efbbc1d5SEugene Crosser return rc; 964a71df50SFrank Blaschka } 974a71df50SFrank Blaschka 98ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 99ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 100ac988d78SJulian Wiedmann { 101ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 102ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 103ac988d78SJulian Wiedmann 104ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 105ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 106ac988d78SJulian Wiedmann if (!iob) 107ac988d78SJulian Wiedmann return -ENOMEM; 108ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 10999f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 11099f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 1112aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 112ac988d78SJulian Wiedmann NULL, NULL)); 113ac988d78SJulian Wiedmann } 114ac988d78SJulian Wiedmann 115ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 116ac988d78SJulian Wiedmann { 117ac988d78SJulian Wiedmann int rc; 118ac988d78SJulian Wiedmann 119ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 120ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 121ac988d78SJulian Wiedmann if (rc == 0) { 122ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 123ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 124bcacfcbcSJulian Wiedmann mac, card->dev->name); 125ac988d78SJulian Wiedmann } else { 126ac988d78SJulian Wiedmann switch (rc) { 127ac988d78SJulian Wiedmann case -EEXIST: 128ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 129ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 130ac988d78SJulian Wiedmann break; 131ac988d78SJulian Wiedmann case -EPERM: 132ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 133ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 134ac988d78SJulian Wiedmann break; 135ac988d78SJulian Wiedmann } 136ac988d78SJulian Wiedmann } 137ac988d78SJulian Wiedmann return rc; 138ac988d78SJulian Wiedmann } 139ac988d78SJulian Wiedmann 1408174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1414a71df50SFrank Blaschka { 1429d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1438174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 144efbbc1d5SEugene Crosser int rc; 145efbbc1d5SEugene Crosser 1468174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1478174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 148efbbc1d5SEugene Crosser if (rc == -EEXIST) 1498174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC %pM already registered on %s\n", 150efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card)); 151efbbc1d5SEugene Crosser else if (rc) 1528174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC %pM on %s: %d\n", 153efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 154efbbc1d5SEugene Crosser return rc; 1554a71df50SFrank Blaschka } 1564a71df50SFrank Blaschka 1578174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1584a71df50SFrank Blaschka { 1599d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1608174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 161efbbc1d5SEugene Crosser int rc; 162efbbc1d5SEugene Crosser 1638174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1648174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 165efbbc1d5SEugene Crosser if (rc) 1668174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC %pM on %s: %d\n", 167efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 168efbbc1d5SEugene Crosser return rc; 1694a71df50SFrank Blaschka } 1704a71df50SFrank Blaschka 171c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1724a71df50SFrank Blaschka { 173fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 174fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 175fe5c8028SLakhvich Dmitriy int i; 1764a71df50SFrank Blaschka 1774a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 178fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 179fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 180fe5c8028SLakhvich Dmitriy kfree(mac); 1814a71df50SFrank Blaschka } 1824a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 1834a71df50SFrank Blaschka } 1844a71df50SFrank Blaschka 185cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 1864a71df50SFrank Blaschka { 187ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 18886c0cdb9SJulian Wiedmann return RTN_UNICAST; 189ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 190ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 191ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 192ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 19386c0cdb9SJulian Wiedmann return RTN_UNICAST; 1944a71df50SFrank Blaschka } 1954a71df50SFrank Blaschka 196fc69660bSJulian Wiedmann static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 197fc69660bSJulian Wiedmann struct sk_buff *skb, int ipv, int cast_type, 198fc69660bSJulian Wiedmann unsigned int data_len) 1994a71df50SFrank Blaschka { 200683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2014a71df50SFrank Blaschka 2024a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 203ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 2044a71df50SFrank Blaschka 205fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 206fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 207fc69660bSJulian Wiedmann if (card->options.performance_stats) 208fc69660bSJulian Wiedmann card->perf_stats.tx_csum++; 209fc69660bSJulian Wiedmann } 210fc69660bSJulian Wiedmann 2114a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2124a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2134a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2144a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2154a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2164a71df50SFrank Blaschka else 217ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2184a71df50SFrank Blaschka 2194a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2204a71df50SFrank Blaschka * information to be present in 2214a71df50SFrank Blaschka * the QDIO header */ 2224a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2234a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2244a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2254a71df50SFrank Blaschka } 2264a71df50SFrank Blaschka } 2274a71df50SFrank Blaschka 2282aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2294a71df50SFrank Blaschka { 2302aa48671SJulian Wiedmann if (retcode) 2312aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2322aa48671SJulian Wiedmann 2332aa48671SJulian Wiedmann switch (retcode) { 2342aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2352aa48671SJulian Wiedmann return 0; 2362aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2372aa48671SJulian Wiedmann return -EINVAL; 2382aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2392aa48671SJulian Wiedmann return -EEXIST; 2402aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2412aa48671SJulian Wiedmann return -ENOENT; 2422aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2432aa48671SJulian Wiedmann return -EPERM; 2442aa48671SJulian Wiedmann case -ENOMEM: 2452aa48671SJulian Wiedmann return -ENOMEM; 2462aa48671SJulian Wiedmann default: 2472aa48671SJulian Wiedmann return -EIO; 2482aa48671SJulian Wiedmann } 2492aa48671SJulian Wiedmann } 2502aa48671SJulian Wiedmann 2512aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2522aa48671SJulian Wiedmann struct qeth_reply *reply, 2532aa48671SJulian Wiedmann unsigned long data) 2542aa48671SJulian Wiedmann { 2552aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2564a71df50SFrank Blaschka 257847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2584a71df50SFrank Blaschka if (cmd->hdr.return_code) { 2592aa48671SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x.\n", 2602aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 2614a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 262847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 263847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2644a71df50SFrank Blaschka } 2654a71df50SFrank Blaschka return 0; 2664a71df50SFrank Blaschka } 2674a71df50SFrank Blaschka 2684a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2694a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2704a71df50SFrank Blaschka { 2714a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2724a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2734a71df50SFrank Blaschka 274847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2754a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2761aec42bcSThomas Richter if (!iob) 2771aec42bcSThomas Richter return -ENOMEM; 278ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2794a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 2802aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 2812aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 2824a71df50SFrank Blaschka } 2834a71df50SFrank Blaschka 28470919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 2854a71df50SFrank Blaschka { 2864a71df50SFrank Blaschka struct qeth_vlan_vid *id; 287d4ac0246SJulian Wiedmann 288847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 289d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 2904a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 29170919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 2924a71df50SFrank Blaschka } 293d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 2944a71df50SFrank Blaschka } 2954a71df50SFrank Blaschka 29680d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 29780d5c368SPatrick McHardy __be16 proto, u16 vid) 2984a71df50SFrank Blaschka { 299509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3004a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3011aec42bcSThomas Richter int rc; 3024a71df50SFrank Blaschka 303847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 30410651db7SUrsula Braun if (!vid) 3058e586137SJiri Pirko return 0; 3068e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 307847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 3088e586137SJiri Pirko return 0; 3098e98ac48SUrsula Braun } 310d4ac0246SJulian Wiedmann id = kmalloc(sizeof(*id), GFP_KERNEL); 3114a71df50SFrank Blaschka if (id) { 3124a71df50SFrank Blaschka id->vid = vid; 3131aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3141aec42bcSThomas Richter if (rc) { 3151aec42bcSThomas Richter kfree(id); 3161aec42bcSThomas Richter return rc; 3171aec42bcSThomas Richter } 318d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3194a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 320d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3218e586137SJiri Pirko } else { 3228e586137SJiri Pirko return -ENOMEM; 3234a71df50SFrank Blaschka } 3248e586137SJiri Pirko return 0; 3254a71df50SFrank Blaschka } 3264a71df50SFrank Blaschka 32780d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 32880d5c368SPatrick McHardy __be16 proto, u16 vid) 3294a71df50SFrank Blaschka { 3304a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 331509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3321aec42bcSThomas Richter int rc = 0; 3334a71df50SFrank Blaschka 334847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3358e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 336847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3378e586137SJiri Pirko return 0; 3388e98ac48SUrsula Braun } 339d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3404a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3414a71df50SFrank Blaschka if (id->vid == vid) { 3424a71df50SFrank Blaschka list_del(&id->list); 3434a71df50SFrank Blaschka tmpid = id; 3444a71df50SFrank Blaschka break; 3454a71df50SFrank Blaschka } 3464a71df50SFrank Blaschka } 347d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3484a71df50SFrank Blaschka if (tmpid) { 3491aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3504a71df50SFrank Blaschka kfree(tmpid); 3514a71df50SFrank Blaschka } 3521aec42bcSThomas Richter return rc; 3534a71df50SFrank Blaschka } 3544a71df50SFrank Blaschka 355b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3564a71df50SFrank Blaschka { 357d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 358d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3594a71df50SFrank Blaschka 3604a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3614a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3624a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3634a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3644a71df50SFrank Blaschka if (recovery_mode && 3654a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3664a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3674a71df50SFrank Blaschka } else { 3684a71df50SFrank Blaschka rtnl_lock(); 3694a71df50SFrank Blaschka dev_close(card->dev); 3704a71df50SFrank Blaschka rtnl_unlock(); 3714a71df50SFrank Blaschka } 37270919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3734a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3744a71df50SFrank Blaschka } 3754a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 376c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 3774a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3784a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3794a71df50SFrank Blaschka } 3804a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3814a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3824a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 3834a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 3844a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 3854a71df50SFrank Blaschka } 3864a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 3874a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 3884a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 3894a71df50SFrank Blaschka } 3904a71df50SFrank Blaschka } 3914a71df50SFrank Blaschka 392a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 393a1c3ed4cSFrank Blaschka int budget, int *done) 3944a71df50SFrank Blaschka { 395a1c3ed4cSFrank Blaschka int work_done = 0; 3964a71df50SFrank Blaschka struct sk_buff *skb; 3974a71df50SFrank Blaschka struct qeth_hdr *hdr; 3984a71df50SFrank Blaschka unsigned int len; 3994a71df50SFrank Blaschka 400a1c3ed4cSFrank Blaschka *done = 0; 40118af5c17SStefan Raspl WARN_ON_ONCE(!budget); 402a1c3ed4cSFrank Blaschka while (budget) { 403a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 404b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 405a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 406a1c3ed4cSFrank Blaschka if (!skb) { 407a1c3ed4cSFrank Blaschka *done = 1; 408a1c3ed4cSFrank Blaschka break; 4094a71df50SFrank Blaschka } 4104a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4114a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4124a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4136195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 41412883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4154a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4164a71df50SFrank Blaschka len = skb->len; 4179abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 4184a71df50SFrank Blaschka break; 4194a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4202d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4214a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4224a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4234a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4244a71df50SFrank Blaschka len = skb->len; 4254a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4264a71df50SFrank Blaschka break; 4272d488c2fSUrsula Braun } 4282d488c2fSUrsula Braun /* else unknown */ 4294a71df50SFrank Blaschka default: 4304a71df50SFrank Blaschka dev_kfree_skb_any(skb); 431847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 4320ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 4334a71df50SFrank Blaschka continue; 4344a71df50SFrank Blaschka } 435a1c3ed4cSFrank Blaschka work_done++; 436a1c3ed4cSFrank Blaschka budget--; 4374a71df50SFrank Blaschka card->stats.rx_packets++; 4384a71df50SFrank Blaschka card->stats.rx_bytes += len; 4394a71df50SFrank Blaschka } 440a1c3ed4cSFrank Blaschka return work_done; 441a1c3ed4cSFrank Blaschka } 442a1c3ed4cSFrank Blaschka 4434a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4444a71df50SFrank Blaschka { 4454a71df50SFrank Blaschka int rc = 0; 4464a71df50SFrank Blaschka 447ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 448d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 4494a71df50SFrank Blaschka 450ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 451ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 452ec61bd2fSJulian Wiedmann if (!rc) 453ec61bd2fSJulian Wiedmann goto out; 454ec61bd2fSJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %s: x%x\n", 455ec61bd2fSJulian Wiedmann CARD_BUS_ID(card), rc); 456ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 457ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 458ec61bd2fSJulian Wiedmann } 459ec61bd2fSJulian Wiedmann 4605113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_IQD || 4615113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 4625113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX || 4635113fec0SUrsula Braun card->info.guestlan) { 4644a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 46521b1702aSJulian Wiedmann if (!rc) 46621b1702aSJulian Wiedmann goto out; 46721b1702aSJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %s: x%x\n", 46821b1702aSJulian Wiedmann CARD_BUS_ID(card), rc); 4691aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 47021b1702aSJulian Wiedmann /* fall back once more: */ 4714a71df50SFrank Blaschka } 47221b1702aSJulian Wiedmann 47321b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 47421b1702aSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM || 47521b1702aSJulian Wiedmann card->info.type == QETH_CARD_TYPE_OSX) 47621b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 47721b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 47821b1702aSJulian Wiedmann 479ec61bd2fSJulian Wiedmann out: 480ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 4814a71df50SFrank Blaschka return 0; 4824a71df50SFrank Blaschka } 4834a71df50SFrank Blaschka 4844a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4854a71df50SFrank Blaschka { 4864a71df50SFrank Blaschka struct sockaddr *addr = p; 487509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 488bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4894a71df50SFrank Blaschka int rc = 0; 4904a71df50SFrank Blaschka 491847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4924a71df50SFrank Blaschka 4935113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 4945113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 4955113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 496847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4974a71df50SFrank Blaschka return -EOPNOTSUPP; 4984a71df50SFrank Blaschka } 49999f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 500bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 501bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 502bcacfcbcSJulian Wiedmann 5038e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 504847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 5058e98ac48SUrsula Braun return -ERESTARTSYS; 5068e98ac48SUrsula Braun } 507bcacfcbcSJulian Wiedmann 5084789a218SJulian Wiedmann /* avoid racing against concurrent state change: */ 5094789a218SJulian Wiedmann if (!mutex_trylock(&card->conf_mutex)) 5104789a218SJulian Wiedmann return -EAGAIN; 5114789a218SJulian Wiedmann 512bcacfcbcSJulian Wiedmann if (!qeth_card_hw_is_reachable(card)) { 513bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 5144789a218SJulian Wiedmann goto out_unlock; 515bcacfcbcSJulian Wiedmann } 516bcacfcbcSJulian Wiedmann 517bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 518bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 519bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 5204789a218SJulian Wiedmann goto out_unlock; 521bcacfcbcSJulian Wiedmann 522bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 5234a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 524bcacfcbcSJulian Wiedmann if (rc) 5254789a218SJulian Wiedmann goto out_unlock; 526bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 527bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 528bcacfcbcSJulian Wiedmann 529bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 530bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 531bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 5324789a218SJulian Wiedmann 5334789a218SJulian Wiedmann out_unlock: 5344789a218SJulian Wiedmann mutex_unlock(&card->conf_mutex); 5354789a218SJulian Wiedmann return rc; 5364a71df50SFrank Blaschka } 5374a71df50SFrank Blaschka 5380db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5390db587b0SEugene Crosser { 5400db587b0SEugene Crosser struct net_device *dev = card->dev; 5410db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5420db587b0SEugene Crosser int role; 5430db587b0SEugene Crosser int rc; 5440db587b0SEugene Crosser 5450db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5460db587b0SEugene Crosser 5470db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5480db587b0SEugene Crosser return; 5490db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5500db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5510db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5520db587b0SEugene Crosser return; 5530db587b0SEugene Crosser 5540db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5550db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5560db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5570db587b0SEugene Crosser else 5580db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5590db587b0SEugene Crosser } else 5600db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5610db587b0SEugene Crosser 5620db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5630db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5640db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5650db587b0SEugene Crosser if (!rc) { 5660db587b0SEugene Crosser card->options.sbp.role = role; 5670db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5680db587b0SEugene Crosser } 569fe5c8028SLakhvich Dmitriy 570fe5c8028SLakhvich Dmitriy } 571fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 572fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 573fe5c8028SLakhvich Dmitriy * 574fe5c8028SLakhvich Dmitriy */ 5754641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 576fe5c8028SLakhvich Dmitriy { 577cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 578fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 579fe5c8028SLakhvich Dmitriy 580cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 58199f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5825f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 583fe5c8028SLakhvich Dmitriy return; 584fe5c8028SLakhvich Dmitriy } 5850db587b0SEugene Crosser } 5860db587b0SEugene Crosser 587fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 588fe5c8028SLakhvich Dmitriy if (!mac) 589fe5c8028SLakhvich Dmitriy return; 590fe5c8028SLakhvich Dmitriy 59199f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 5925f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 593fe5c8028SLakhvich Dmitriy 594cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 595fe5c8028SLakhvich Dmitriy } 596fe5c8028SLakhvich Dmitriy 597fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 5984a71df50SFrank Blaschka { 599509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 600ccffad25SJiri Pirko struct netdev_hw_addr *ha; 601fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 602fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 603fe5c8028SLakhvich Dmitriy int i; 604fe5c8028SLakhvich Dmitriy int rc; 6054a71df50SFrank Blaschka 6064a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6074a71df50SFrank Blaschka return; 6084a71df50SFrank Blaschka 609847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 6108e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 6118e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 6128e98ac48SUrsula Braun return; 613fe5c8028SLakhvich Dmitriy 6144a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 615fe5c8028SLakhvich Dmitriy 61622bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 6174641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 61832e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 6194641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 620fe5c8028SLakhvich Dmitriy 621fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 62200c163f1SJulian Wiedmann switch (mac->disp_flag) { 62300c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 6248174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 625fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 626fe5c8028SLakhvich Dmitriy kfree(mac); 62700c163f1SJulian Wiedmann break; 62800c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 6298174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 630fe5c8028SLakhvich Dmitriy if (rc) { 631fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 632fe5c8028SLakhvich Dmitriy kfree(mac); 63300c163f1SJulian Wiedmann break; 63400c163f1SJulian Wiedmann } 63500c163f1SJulian Wiedmann /* fall through */ 63600c163f1SJulian Wiedmann default: 63700c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 6385f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 63900c163f1SJulian Wiedmann } 640fe5c8028SLakhvich Dmitriy } 6417db2266aSFrank Blaschka 6424a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 643fe5c8028SLakhvich Dmitriy 6440db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6454a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6460db587b0SEugene Crosser else 6470db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6484a71df50SFrank Blaschka } 6494a71df50SFrank Blaschka 6507286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 6517286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 6527286384bSJulian Wiedmann { 65369d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 65469d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 65569d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 65669d7ce80SJulian Wiedmann unsigned int elements = 0; 65769d7ce80SJulian Wiedmann unsigned int hd_len = 0; 65869d7ce80SJulian Wiedmann int rc; 6597286384bSJulian Wiedmann 6607286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 6617286384bSJulian Wiedmann return -EPROTONOSUPPORT; 6627286384bSJulian Wiedmann 66369d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 66469d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 66569d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 66669d7ce80SJulian Wiedmann if (!hdr) 66769d7ce80SJulian Wiedmann return -ENOMEM; 66869d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 66969d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 67069d7ce80SJulian Wiedmann elements++; 67169d7ce80SJulian Wiedmann } 67269d7ce80SJulian Wiedmann 67369d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 67469d7ce80SJulian Wiedmann if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) { 67569d7ce80SJulian Wiedmann rc = -E2BIG; 67669d7ce80SJulian Wiedmann goto out; 67769d7ce80SJulian Wiedmann } 67869d7ce80SJulian Wiedmann 67969d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 68069d7ce80SJulian Wiedmann elements); 68169d7ce80SJulian Wiedmann out: 68269d7ce80SJulian Wiedmann if (rc && hd_len) 68369d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 68469d7ce80SJulian Wiedmann return rc; 6857286384bSJulian Wiedmann } 6867286384bSJulian Wiedmann 687e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 688e38db6beSJulian Wiedmann struct net_device *dev) 6894a71df50SFrank Blaschka { 690509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 691ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 692571f9dd8SKittipon Meesompop int ipv = qeth_get_ip_version(skb); 693290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 6944a71df50SFrank Blaschka int tx_bytes = skb->len; 6957286384bSJulian Wiedmann int rc; 6964a71df50SFrank Blaschka 6974a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 6984a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 6994a71df50SFrank Blaschka goto tx_drop; 7004a71df50SFrank Blaschka } 7014a71df50SFrank Blaschka 70286c0cdb9SJulian Wiedmann queue = qeth_get_tx_queue(card, skb, ipv, cast_type); 70386c0cdb9SJulian Wiedmann 7044a71df50SFrank Blaschka if (card->options.performance_stats) { 7054a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 7064a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 7074a71df50SFrank Blaschka } 7084a71df50SFrank Blaschka netif_stop_queue(dev); 7094a71df50SFrank Blaschka 7105f89eca5SJulian Wiedmann if (IS_OSN(card)) 7117286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 7125f89eca5SJulian Wiedmann else 713fc69660bSJulian Wiedmann rc = qeth_xmit(card, skb, queue, ipv, cast_type, 714fc69660bSJulian Wiedmann qeth_l2_fill_header); 7154a71df50SFrank Blaschka 7164a71df50SFrank Blaschka if (!rc) { 7174a71df50SFrank Blaschka card->stats.tx_packets++; 7184a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 7194a71df50SFrank Blaschka if (card->options.performance_stats) 7204a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 7214a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 7227286384bSJulian Wiedmann netif_wake_queue(dev); 7237286384bSJulian Wiedmann return NETDEV_TX_OK; 7247286384bSJulian Wiedmann } else if (rc == -EBUSY) { 7257286384bSJulian Wiedmann return NETDEV_TX_BUSY; 7267286384bSJulian Wiedmann } /* else fall through */ 7274a71df50SFrank Blaschka 7284a71df50SFrank Blaschka tx_drop: 7294a71df50SFrank Blaschka card->stats.tx_dropped++; 7304a71df50SFrank Blaschka card->stats.tx_errors++; 7314a71df50SFrank Blaschka dev_kfree_skb_any(skb); 732d0ec0f54SFrank Blaschka netif_wake_queue(dev); 7334a71df50SFrank Blaschka return NETDEV_TX_OK; 7344a71df50SFrank Blaschka } 7354a71df50SFrank Blaschka 73639423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 7374a71df50SFrank Blaschka { 738509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 739a1c3ed4cSFrank Blaschka int rc = 0; 7404a71df50SFrank Blaschka 741847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 74239423440SUrsula Braun if (card->state == CARD_STATE_UP) 74339423440SUrsula Braun return rc; 7444a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 7454a71df50SFrank Blaschka return -ENODEV; 7464a71df50SFrank Blaschka 7474a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 7484a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 749847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 7504a71df50SFrank Blaschka return -EPERM; 7514a71df50SFrank Blaschka } 7524a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 7534a71df50SFrank Blaschka card->state = CARD_STATE_UP; 7544a71df50SFrank Blaschka netif_start_queue(dev); 7554a71df50SFrank Blaschka 756a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 757a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 7584d19db77SJulian Wiedmann local_bh_disable(); 759a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 7604d19db77SJulian Wiedmann /* kick-start the NAPI softirq: */ 7614d19db77SJulian Wiedmann local_bh_enable(); 762a1c3ed4cSFrank Blaschka } else 763a1c3ed4cSFrank Blaschka rc = -EIO; 764a1c3ed4cSFrank Blaschka return rc; 7654a71df50SFrank Blaschka } 7664a71df50SFrank Blaschka 76739423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 76839423440SUrsula Braun { 76939423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 77039423440SUrsula Braun 77139423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 77239423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 77339423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 77439423440SUrsula Braun return -ERESTARTSYS; 77539423440SUrsula Braun } 77639423440SUrsula Braun return __qeth_l2_open(dev); 77739423440SUrsula Braun } 77839423440SUrsula Braun 7794a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 7804a71df50SFrank Blaschka { 781509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 7824a71df50SFrank Blaschka 783847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 7844a71df50SFrank Blaschka netif_tx_disable(dev); 785a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 7864a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 787a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 788a1c3ed4cSFrank Blaschka } 7894a71df50SFrank Blaschka return 0; 7904a71df50SFrank Blaschka } 7914a71df50SFrank Blaschka 7922d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 7932d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 7942d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 7952d2ebb3eSJulian Wiedmann }; 7962d2ebb3eSJulian Wiedmann 7974a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 7984a71df50SFrank Blaschka { 7994a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8009111e788SUrsula Braun int rc; 8014a71df50SFrank Blaschka 8022d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 8039111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 8049111e788SUrsula Braun if (rc) 8059111e788SUrsula Braun return rc; 8062d2ebb3eSJulian Wiedmann } 8074a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 808fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 8094a71df50SFrank Blaschka card->options.layer2 = 1; 8101da74b1cSFrank Blaschka card->info.hwtrap = 0; 811caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 8124a71df50SFrank Blaschka return 0; 8134a71df50SFrank Blaschka } 8144a71df50SFrank Blaschka 8154a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 8164a71df50SFrank Blaschka { 8174a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8184a71df50SFrank Blaschka 8192d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 820b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 821f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 8224a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 8234a71df50SFrank Blaschka 82470919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 8254a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 8264a71df50SFrank Blaschka unregister_netdev(card->dev); 8274a71df50SFrank Blaschka } 8284a71df50SFrank Blaschka 8290fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 8304a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 8314a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8324a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 833df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 8344a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 835993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 8364a71df50SFrank Blaschka }; 8374a71df50SFrank Blaschka 8380fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 8394a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8404a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 841df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 8424a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8434a71df50SFrank Blaschka }; 8444a71df50SFrank Blaschka 8453d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 8468403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 8478403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 8488403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 8498403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 8506d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 8518403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 852fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 853942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 8548403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 8558403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 8568403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 8578403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 8588f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 8598f43fb00SThomas Richter .ndo_set_features = qeth_set_features 8608403b13cSFrank Blaschka }; 8618403b13cSFrank Blaschka 8624a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 8634a71df50SFrank Blaschka { 864d3d1b205SJulian Wiedmann int rc; 8654a71df50SFrank Blaschka 866d3d1b205SJulian Wiedmann if (card->dev->netdev_ops) 867d3d1b205SJulian Wiedmann return 0; 8684a71df50SFrank Blaschka 869d3aacac4SJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 8708403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 87125e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 87225e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 87325e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 87425e2c341SJulian Wiedmann } else { 87525e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 8765f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 87725e2c341SJulian Wiedmann } 8789400c53fSJulian Wiedmann 8799400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 8809400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 8819400c53fSJulian Wiedmann else 882f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 8830f342945SJulian Wiedmann 8844d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 8856d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 8868f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 8879bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 8888f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 8899bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 8909bdc4411SHans Wippel } 8914d7def2aSThomas Richter } 892571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 893571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 894571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 895571f9dd8SKittipon Meesompop } 896d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 897d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 898d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 899d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 900d7e6ed97SKittipon Meesompop } 9010d6f02d3SJulian Wiedmann 9024a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 903d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 904d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 905d3d1b205SJulian Wiedmann if (rc) 906d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 907d3d1b205SJulian Wiedmann return rc; 9084a71df50SFrank Blaschka } 9094a71df50SFrank Blaschka 9104d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 9114d7def2aSThomas Richter { 9124d7def2aSThomas Richter /* configure isolation level */ 9134d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 9144d7def2aSThomas Richter return -ENODEV; 9154d7def2aSThomas Richter return 0; 9164d7def2aSThomas Richter } 9174d7def2aSThomas Richter 918521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 919521c10eaSJulian Wiedmann { 920a45b3fafSHans Wippel /* Set BridgePort features */ 921a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 922521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 923521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 924a45b3fafSHans Wippel /* VNIC Characteristics features */ 925a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 926a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 927a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 928521c10eaSJulian Wiedmann } 929521c10eaSJulian Wiedmann 9304a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 9314a71df50SFrank Blaschka { 9324a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 9334a71df50SFrank Blaschka int rc = 0; 9344a71df50SFrank Blaschka enum qeth_card_states recover_flag; 9354a71df50SFrank Blaschka 9369dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 937c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 938d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 939d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 9404a71df50SFrank Blaschka 9414a71df50SFrank Blaschka recover_flag = card->state; 9424a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 9434a71df50SFrank Blaschka if (rc) { 9441aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 945aa909224SUrsula Braun rc = -ENODEV; 9464a71df50SFrank Blaschka goto out_remove; 9474a71df50SFrank Blaschka } 948c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 949c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 950c044dc21SEugene Crosser dev_info(&card->gdev->dev, 9519c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 9524a71df50SFrank Blaschka 953d3d1b205SJulian Wiedmann rc = qeth_l2_setup_netdev(card); 954d3d1b205SJulian Wiedmann if (rc) 9554a71df50SFrank Blaschka goto out_remove; 9564a71df50SFrank Blaschka 957bcacfcbcSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 958bcacfcbcSJulian Wiedmann !qeth_l2_send_setmac(card, card->dev->dev_addr)) 959bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 9604a71df50SFrank Blaschka 9611da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 9621da74b1cSFrank Blaschka if (card->info.hwtrap && 9631da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 9641da74b1cSFrank Blaschka card->info.hwtrap = 0; 9651da74b1cSFrank Blaschka } else 9661da74b1cSFrank Blaschka card->info.hwtrap = 0; 9671da74b1cSFrank Blaschka 968a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 969a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 970a45b3fafSHans Wippel 971a45b3fafSHans Wippel qeth_trace_features(card); 972a45b3fafSHans Wippel qeth_l2_trace_features(card); 973a45b3fafSHans Wippel 974b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 975b4d72c08SEugene Crosser 9764a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 9774a71df50SFrank Blaschka qeth_print_status_message(card); 9784a71df50SFrank Blaschka 9794a71df50SFrank Blaschka /* softsetup */ 980d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 9814a71df50SFrank Blaschka 9825113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 9830f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 9848f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 9858f43fb00SThomas Richter if (rc) 9860f54761dSStefan Raspl goto out_remove; 9870f54761dSStefan Raspl } 9885113fec0SUrsula Braun 9899400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 99070919e23SUrsula Braun qeth_l2_process_vlans(card); 9914a71df50SFrank Blaschka 9924a71df50SFrank Blaschka netif_tx_disable(card->dev); 9934a71df50SFrank Blaschka 9944a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 9954a71df50SFrank Blaschka if (rc) { 996d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 997aa909224SUrsula Braun rc = -ENODEV; 9984a71df50SFrank Blaschka goto out_remove; 9994a71df50SFrank Blaschka } 10004a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 10012b6203bbSUrsula Braun if (card->lan_online) 10024a71df50SFrank Blaschka netif_carrier_on(card->dev); 10032b6203bbSUrsula Braun else 10042b6203bbSUrsula Braun netif_carrier_off(card->dev); 10054a71df50SFrank Blaschka 10064a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1007d025da9eSJulian Wiedmann 1008d025da9eSJulian Wiedmann qeth_enable_hw_features(card->dev); 10094a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 10104a71df50SFrank Blaschka if (recovery_mode && 10114a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 101239423440SUrsula Braun __qeth_l2_open(card->dev); 10139aa17df3SJulian Wiedmann qeth_l2_set_rx_mode(card->dev); 10144a71df50SFrank Blaschka } else { 10154a71df50SFrank Blaschka rtnl_lock(); 10164a71df50SFrank Blaschka dev_open(card->dev); 10174a71df50SFrank Blaschka rtnl_unlock(); 10184a71df50SFrank Blaschka } 10194a71df50SFrank Blaschka } 10204a71df50SFrank Blaschka /* let user_space know that device is online */ 10214a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1022c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10239dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10244a71df50SFrank Blaschka return 0; 1025aa909224SUrsula Braun 10264a71df50SFrank Blaschka out_remove: 10274a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 10284a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 10294a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 10304a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 103122ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 10324a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 10334a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10344a71df50SFrank Blaschka else 10354a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1036c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10379dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1038aa909224SUrsula Braun return rc; 10394a71df50SFrank Blaschka } 10404a71df50SFrank Blaschka 10414a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 10424a71df50SFrank Blaschka { 10434a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 10444a71df50SFrank Blaschka } 10454a71df50SFrank Blaschka 10464a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 10474a71df50SFrank Blaschka int recovery_mode) 10484a71df50SFrank Blaschka { 10494a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 10504a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 10514a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10524a71df50SFrank Blaschka 10539dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1054c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1055d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1056d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 10574a71df50SFrank Blaschka 10584a71df50SFrank Blaschka netif_carrier_off(card->dev); 10594a71df50SFrank Blaschka recover_flag = card->state; 10601da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 10611da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 10621da74b1cSFrank Blaschka card->info.hwtrap = 1; 10631da74b1cSFrank Blaschka } 10640f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 10654a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 10664a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 10674a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 10684a71df50SFrank Blaschka if (!rc) 10694a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 10704a71df50SFrank Blaschka if (rc) 1071d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 107222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 10734a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 10744a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10754a71df50SFrank Blaschka /* let user_space know that device is offline */ 10764a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1077c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10789dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10794a71df50SFrank Blaschka return 0; 10804a71df50SFrank Blaschka } 10814a71df50SFrank Blaschka 10824a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 10834a71df50SFrank Blaschka { 10844a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 10854a71df50SFrank Blaschka } 10864a71df50SFrank Blaschka 10874a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 10884a71df50SFrank Blaschka { 10894a71df50SFrank Blaschka struct qeth_card *card; 10904a71df50SFrank Blaschka int rc = 0; 10914a71df50SFrank Blaschka 10924a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1093847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 10944a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 10954a71df50SFrank Blaschka return 0; 1096847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 109774eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 109874eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 109965d8013cSStefan Raspl qeth_set_recovery_task(card); 11004a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 11014a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 11024a71df50SFrank Blaschka if (!rc) 110374eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 110474eacdb9SFrank Blaschka "Device successfully recovered!\n"); 110528a7e4c9SUrsula Braun else { 11060f54761dSStefan Raspl qeth_close_dev(card); 110774eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 110874eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 110928a7e4c9SUrsula Braun } 111065d8013cSStefan Raspl qeth_clear_recovery_task(card); 1111a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1112a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 11134a71df50SFrank Blaschka return 0; 11144a71df50SFrank Blaschka } 11154a71df50SFrank Blaschka 11164a71df50SFrank Blaschka static int __init qeth_l2_init(void) 11174a71df50SFrank Blaschka { 111874eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 11194a71df50SFrank Blaschka return 0; 11204a71df50SFrank Blaschka } 11214a71df50SFrank Blaschka 11224a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 11234a71df50SFrank Blaschka { 112474eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 11254a71df50SFrank Blaschka } 11264a71df50SFrank Blaschka 1127bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1128bbcfcdc8SFrank Blaschka { 1129bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1130bbcfcdc8SFrank Blaschka 1131bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1132bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1133bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1134bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1135bbcfcdc8SFrank Blaschka return 0; 1136bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 11371da74b1cSFrank Blaschka if (card->info.hwtrap) 11381da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1139bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1140bbcfcdc8SFrank Blaschka } else 1141bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1142bbcfcdc8SFrank Blaschka return 0; 1143bbcfcdc8SFrank Blaschka } 1144bbcfcdc8SFrank Blaschka 1145bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1146bbcfcdc8SFrank Blaschka { 1147bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1148bbcfcdc8SFrank Blaschka int rc = 0; 1149bbcfcdc8SFrank Blaschka 1150bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1151bbcfcdc8SFrank Blaschka goto out; 1152bbcfcdc8SFrank Blaschka 1153bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1154bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1155bbcfcdc8SFrank Blaschka if (rc) { 1156bbcfcdc8SFrank Blaschka rtnl_lock(); 1157bbcfcdc8SFrank Blaschka dev_close(card->dev); 1158bbcfcdc8SFrank Blaschka rtnl_unlock(); 1159bbcfcdc8SFrank Blaschka } 1160bbcfcdc8SFrank Blaschka } else 1161bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 1162bbcfcdc8SFrank Blaschka out: 1163bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1164bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1165bbcfcdc8SFrank Blaschka if (rc) 1166bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1167bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1168bbcfcdc8SFrank Blaschka return rc; 1169bbcfcdc8SFrank Blaschka } 1170bbcfcdc8SFrank Blaschka 1171c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1172c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1173c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1174c044dc21SEugene Crosser { 1175c044dc21SEugene Crosser switch (cmd->hdr.command) { 11769c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 11779c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1178c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1179c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1180c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1181c044dc21SEugene Crosser return 0; 1182c044dc21SEugene Crosser } else 1183c044dc21SEugene Crosser return 1; 1184c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1185c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1186c044dc21SEugene Crosser return 0; 1187c044dc21SEugene Crosser default: 1188c044dc21SEugene Crosser return 1; 1189c044dc21SEugene Crosser } 1190c044dc21SEugene Crosser } 1191c044dc21SEugene Crosser 1192c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 11932d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1194d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1195c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1196c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 11974a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 11984a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 11994a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1200bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1201bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1202bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1203942d6984SJulian Wiedmann .do_ioctl = NULL, 1204c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 12054a71df50SFrank Blaschka }; 1206c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 12074a71df50SFrank Blaschka 12084a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 12094a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 12104a71df50SFrank Blaschka { 1211750b1625SJulian Wiedmann struct qeth_channel *channel = iob->channel; 12124a71df50SFrank Blaschka int rc = 0; 12134a71df50SFrank Blaschka 1214847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 12154a71df50SFrank Blaschka 12164a71df50SFrank Blaschka wait_event(card->wait_q, 1217750b1625SJulian Wiedmann atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); 12184a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1219847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 1220ed47155bSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); 1221f15cdaf2SJulian Wiedmann rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, 1222db71bbbdSJulian Wiedmann (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); 1223ed47155bSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); 12244a71df50SFrank Blaschka if (rc) { 122514cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 12264a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1227847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 1228750b1625SJulian Wiedmann qeth_release_buffer(channel, iob); 1229750b1625SJulian Wiedmann atomic_set(&channel->irq_pending, 0); 12304a71df50SFrank Blaschka wake_up(&card->wait_q); 12314a71df50SFrank Blaschka } 12324a71df50SFrank Blaschka return rc; 12334a71df50SFrank Blaschka } 12344a71df50SFrank Blaschka 12354a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 12364a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 12374a71df50SFrank Blaschka { 12384a71df50SFrank Blaschka u16 s1, s2; 12394a71df50SFrank Blaschka 1240847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 12414a71df50SFrank Blaschka 124273657a3eSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob); 12434a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 12444a71df50SFrank Blaschka s2 = (u16)data_len; 12454a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 12464a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 12474a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 12484a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 12494a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 12504a71df50SFrank Blaschka } 12514a71df50SFrank Blaschka 12524a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 12534a71df50SFrank Blaschka { 12544a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 12554a71df50SFrank Blaschka struct qeth_card *card; 12564a71df50SFrank Blaschka 12574a71df50SFrank Blaschka if (!dev) 12584a71df50SFrank Blaschka return -ENODEV; 1259509e2562SHeiko Carstens card = dev->ml_priv; 12604a71df50SFrank Blaschka if (!card) 12614a71df50SFrank Blaschka return -ENODEV; 1262847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1263c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 12644a71df50SFrank Blaschka return -ENODEV; 12654a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1266ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1267ff5caa7aSJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob, data_len); 12684a71df50SFrank Blaschka } 12694a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 12704a71df50SFrank Blaschka 12714a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 12724a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 12734a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 12744a71df50SFrank Blaschka { 12754a71df50SFrank Blaschka struct qeth_card *card; 12764a71df50SFrank Blaschka 12774a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 12784a71df50SFrank Blaschka if (*dev == NULL) 12794a71df50SFrank Blaschka return -ENODEV; 1280509e2562SHeiko Carstens card = (*dev)->ml_priv; 12814a71df50SFrank Blaschka if (!card) 12824a71df50SFrank Blaschka return -ENODEV; 1283847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 12844a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 12854a71df50SFrank Blaschka return -EINVAL; 12864a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 12874a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 12884a71df50SFrank Blaschka return 0; 12894a71df50SFrank Blaschka } 12904a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 12914a71df50SFrank Blaschka 12924a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 12934a71df50SFrank Blaschka { 12944a71df50SFrank Blaschka struct qeth_card *card; 12954a71df50SFrank Blaschka 12964a71df50SFrank Blaschka if (!dev) 12974a71df50SFrank Blaschka return; 1298509e2562SHeiko Carstens card = dev->ml_priv; 12994a71df50SFrank Blaschka if (!card) 13004a71df50SFrank Blaschka return; 1301847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 13024a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 13034a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 13044a71df50SFrank Blaschka return; 13054a71df50SFrank Blaschka } 13064a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 13074a71df50SFrank Blaschka 1308b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1309b4d72c08SEugene Crosser 13109f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 13119f48b9dbSEugene Crosser 13129f48b9dbSEugene Crosser /** 13139f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 13149f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 13159f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 13169f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 13179f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 13189f48b9dbSEugene Crosser * object, 0 - addition of an object. 13199f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 13209f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 13219f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 13229f48b9dbSEugene Crosser * 13239f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 13249f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 13259f48b9dbSEugene Crosser * for all currently registered addresses. 13269f48b9dbSEugene Crosser */ 13279f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 13289f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 13299f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 13309f48b9dbSEugene Crosser { 13319f48b9dbSEugene Crosser char str[7][32]; 13329f48b9dbSEugene Crosser char *env[8]; 13339f48b9dbSEugene Crosser int i = 0; 13349f48b9dbSEugene Crosser 13359f48b9dbSEugene Crosser switch (evtype) { 13369f48b9dbSEugene Crosser case anev_reg_unreg: 13379f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 13389f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 13399f48b9dbSEugene Crosser ? "deregister" : "register"); 13409f48b9dbSEugene Crosser env[i] = str[i]; i++; 13419f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 13429f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 13439f48b9dbSEugene Crosser addr_lnid->lnid); 13449f48b9dbSEugene Crosser env[i] = str[i]; i++; 13459f48b9dbSEugene Crosser } 13469f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 13479846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 13489846e70bSEugene Crosser addr_lnid->mac); 13499f48b9dbSEugene Crosser env[i] = str[i]; i++; 13509f48b9dbSEugene Crosser } 13519f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 13529f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 13539f48b9dbSEugene Crosser env[i] = str[i]; i++; 13549f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 13559f48b9dbSEugene Crosser env[i] = str[i]; i++; 13569f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 13579f48b9dbSEugene Crosser token->chpid); 13589f48b9dbSEugene Crosser env[i] = str[i]; i++; 13599f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 13609f48b9dbSEugene Crosser env[i] = str[i]; i++; 13619f48b9dbSEugene Crosser break; 13629f48b9dbSEugene Crosser case anev_abort: 13639f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 13649f48b9dbSEugene Crosser env[i] = str[i]; i++; 13659f48b9dbSEugene Crosser break; 13669f48b9dbSEugene Crosser case anev_reset: 13679f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 13689f48b9dbSEugene Crosser env[i] = str[i]; i++; 13699f48b9dbSEugene Crosser break; 13709f48b9dbSEugene Crosser } 13719f48b9dbSEugene Crosser env[i] = NULL; 13729f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 13739f48b9dbSEugene Crosser } 13749f48b9dbSEugene Crosser 1375b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1376b4d72c08SEugene Crosser struct work_struct worker; 1377b4d72c08SEugene Crosser struct qeth_card *card; 1378b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1379b4d72c08SEugene Crosser }; 1380b4d72c08SEugene Crosser 1381b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1382b4d72c08SEugene Crosser { 1383b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1384b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1385b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1386b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1387b4d72c08SEugene Crosser char env_locrem[32]; 1388b4d72c08SEugene Crosser char env_role[32]; 1389b4d72c08SEugene Crosser char env_state[32]; 1390b4d72c08SEugene Crosser char *env[] = { 1391b4d72c08SEugene Crosser env_locrem, 1392b4d72c08SEugene Crosser env_role, 1393b4d72c08SEugene Crosser env_state, 1394b4d72c08SEugene Crosser NULL 1395b4d72c08SEugene Crosser }; 1396b4d72c08SEugene Crosser 1397b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1398b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1399b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1400b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1401b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1402b4d72c08SEugene Crosser 1403b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1404b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1405b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1406b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1407b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1408b4d72c08SEugene Crosser "<INVALID>"); 1409b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1410b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1411b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1412b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1413b4d72c08SEugene Crosser "<INVALID>"); 1414b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1415b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1416b4d72c08SEugene Crosser kfree(data); 1417b4d72c08SEugene Crosser } 1418b4d72c08SEugene Crosser 1419c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1420c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1421b4d72c08SEugene Crosser { 1422b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1423b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1424b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1425b4d72c08SEugene Crosser int extrasize; 1426b4d72c08SEugene Crosser 1427b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1428b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 14298a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1430b4d72c08SEugene Crosser return; 1431b4d72c08SEugene Crosser } 1432b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1433b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1434b4d72c08SEugene Crosser GFP_ATOMIC); 1435b4d72c08SEugene Crosser if (!data) { 1436b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1437b4d72c08SEugene Crosser return; 1438b4d72c08SEugene Crosser } 1439b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1440b4d72c08SEugene Crosser data->card = card; 1441b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1442b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1443b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1444b4d72c08SEugene Crosser } 1445b4d72c08SEugene Crosser 14469f48b9dbSEugene Crosser struct qeth_bridge_host_data { 14479f48b9dbSEugene Crosser struct work_struct worker; 14489f48b9dbSEugene Crosser struct qeth_card *card; 14499f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 14509f48b9dbSEugene Crosser }; 14519f48b9dbSEugene Crosser 14529f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 14539f48b9dbSEugene Crosser { 14549f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 14559f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 14569f48b9dbSEugene Crosser int i; 14579f48b9dbSEugene Crosser 14589f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 14599f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 14609c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 14619f48b9dbSEugene Crosser data->card->dev->name, 14629f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 14639f48b9dbSEugene Crosser ? "Overflow" 14649f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 14659f48b9dbSEugene Crosser ? "Bridge port state change" 14669f48b9dbSEugene Crosser : "Unknown reason"); 14679f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 14689f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 14699f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 14709f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 14719f48b9dbSEugene Crosser 0, NULL, NULL); 14729f48b9dbSEugene Crosser } else 14739f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 14749f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 14759f48b9dbSEugene Crosser &data->hostevs.entry[i]; 14769f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 14779f48b9dbSEugene Crosser anev_reg_unreg, 14789f48b9dbSEugene Crosser entry->change_code, 14799f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 14809f48b9dbSEugene Crosser } 14819f48b9dbSEugene Crosser kfree(data); 14829f48b9dbSEugene Crosser } 14839f48b9dbSEugene Crosser 1484c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1485c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 14869f48b9dbSEugene Crosser { 14879f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 14889f48b9dbSEugene Crosser &cmd->data.addrchange; 14899f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 14909f48b9dbSEugene Crosser int extrasize; 14919f48b9dbSEugene Crosser 14929f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 14939f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 14949f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 14959f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 14969f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 14979f48b9dbSEugene Crosser } else { 14989f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 14999f48b9dbSEugene Crosser cmd->hdr.return_code); 15009f48b9dbSEugene Crosser return; 15019f48b9dbSEugene Crosser } 15029f48b9dbSEugene Crosser } 15039f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 15049f48b9dbSEugene Crosser hostevs->num_entries; 15059f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 15069f48b9dbSEugene Crosser GFP_ATOMIC); 15079f48b9dbSEugene Crosser if (!data) { 15089f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 15099f48b9dbSEugene Crosser return; 15109f48b9dbSEugene Crosser } 15119f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 15129f48b9dbSEugene Crosser data->card = card; 15139f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 15149f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 15159f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 15169f48b9dbSEugene Crosser } 15179f48b9dbSEugene Crosser 1518b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1519b4d72c08SEugene Crosser 1520b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1521b4d72c08SEugene Crosser u16 ipa_rc; 1522b4d72c08SEugene Crosser u16 cmd_rc; 1523b4d72c08SEugene Crosser union { 1524b4d72c08SEugene Crosser u32 supported; 1525b4d72c08SEugene Crosser struct { 1526b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1527b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1528b4d72c08SEugene Crosser } qports; 1529b4d72c08SEugene Crosser } data; 1530b4d72c08SEugene Crosser }; 1531b4d72c08SEugene Crosser 1532b4d72c08SEugene Crosser /** 1533b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1534b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1535b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1536b4d72c08SEugene Crosser * @setcmd: IPA command code 1537b4d72c08SEugene Crosser * 1538b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1539b4d72c08SEugene Crosser */ 1540b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1541b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1542b4d72c08SEugene Crosser { 1543b4d72c08SEugene Crosser int rc; 15449c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1545b4d72c08SEugene Crosser 15469c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 15479c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1548b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 15492063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1550b4d72c08SEugene Crosser rc = 0; 1551b4d72c08SEugene Crosser break; 15522063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 15532063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1554ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1555b4d72c08SEugene Crosser break; 15562063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 15572063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1558b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1559b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15609c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1561b4d72c08SEugene Crosser break; 15622063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 15632063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 15641b05cf62SEugene Crosser rc = -EPERM; 15651b05cf62SEugene Crosser dev_err(&card->gdev->dev, 15661b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 15671b05cf62SEugene Crosser break; 15682063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 15692063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1570b4d72c08SEugene Crosser switch (setcmd) { 1571b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1572b4d72c08SEugene Crosser rc = -EEXIST; 1573b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15749c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1575b4d72c08SEugene Crosser break; 1576b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1577b4d72c08SEugene Crosser rc = -EBUSY; 1578b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15799c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1580b4d72c08SEugene Crosser break; 1581b4d72c08SEugene Crosser default: 1582b4d72c08SEugene Crosser rc = -EIO; 1583b4d72c08SEugene Crosser } 1584b4d72c08SEugene Crosser break; 15852063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 15862063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1587b4d72c08SEugene Crosser rc = -EBUSY; 1588b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15899c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1590b4d72c08SEugene Crosser break; 15912063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 15922063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1593b4d72c08SEugene Crosser rc = -EEXIST; 1594b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15959c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1596b4d72c08SEugene Crosser break; 15972063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 15982063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1599b4d72c08SEugene Crosser rc = -EBUSY; 1600b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16019c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1602b4d72c08SEugene Crosser break; 16032063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 16042063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1605b4d72c08SEugene Crosser rc = -EACCES; 1606b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16079c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1608b4d72c08SEugene Crosser break; 1609b4d72c08SEugene Crosser default: 1610b4d72c08SEugene Crosser rc = -EIO; 1611b4d72c08SEugene Crosser } 16129c23f4daSEugene Crosser else 16139c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1614b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1615ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1616b4d72c08SEugene Crosser break; 1617b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1618ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1619b4d72c08SEugene Crosser break; 1620b4d72c08SEugene Crosser default: 1621b4d72c08SEugene Crosser rc = -EIO; 1622b4d72c08SEugene Crosser } 16239c23f4daSEugene Crosser 1624b4d72c08SEugene Crosser if (rc) { 1625b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1626b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1627b4d72c08SEugene Crosser } 1628b4d72c08SEugene Crosser return rc; 1629b4d72c08SEugene Crosser } 1630b4d72c08SEugene Crosser 1631d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1632d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1633d65626adSJulian Wiedmann unsigned int cmd_length) 16349c23f4daSEugene Crosser { 1635d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 16369c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 16379c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1638d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1639d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1640d65626adSJulian Wiedmann 1641d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1642d65626adSJulian Wiedmann if (!iob) 1643d65626adSJulian Wiedmann return iob; 1644ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1645d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1646d65626adSJulian Wiedmann cmd_length; 1647d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1648d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1649d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1650d65626adSJulian Wiedmann return iob; 16519c23f4daSEugene Crosser } 16529c23f4daSEugene Crosser 1653b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1654b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1655b4d72c08SEugene Crosser { 1656b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1657b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1658b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1659b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1660b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1661b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1662b4d72c08SEugene Crosser cbctl->data.supported = 1663b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1664b4d72c08SEugene Crosser } else { 1665b4d72c08SEugene Crosser cbctl->data.supported = 0; 1666b4d72c08SEugene Crosser } 1667b4d72c08SEugene Crosser return 0; 1668b4d72c08SEugene Crosser } 1669b4d72c08SEugene Crosser 1670b4d72c08SEugene Crosser /** 1671b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1672b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1673b4d72c08SEugene Crosser * 1674b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1675b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1676b4d72c08SEugene Crosser */ 1677c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1678b4d72c08SEugene Crosser { 1679b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1680b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1681b4d72c08SEugene Crosser 1682b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1683d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1684d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 16851aec42bcSThomas Richter if (!iob) 16861aec42bcSThomas Richter return; 1687b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1688b4d72c08SEugene Crosser (void *)&cbctl) || 1689b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1690b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1691b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1692b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1693b4d72c08SEugene Crosser return; 1694b4d72c08SEugene Crosser } 1695b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1696b4d72c08SEugene Crosser } 1697b4d72c08SEugene Crosser 1698b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1699b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1700b4d72c08SEugene Crosser { 1701b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1702b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1703b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1704b4d72c08SEugene Crosser 1705b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1706b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1707b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1708b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1709b4d72c08SEugene Crosser return 0; 1710b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1711b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1712b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1713b4d72c08SEugene Crosser return 0; 1714b4d72c08SEugene Crosser } 1715b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1716b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1717b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1718b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1719b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1720b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1721b4d72c08SEugene Crosser } 1722b4d72c08SEugene Crosser return 0; 1723b4d72c08SEugene Crosser } 1724b4d72c08SEugene Crosser 1725b4d72c08SEugene Crosser /** 1726b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1727b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1728b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1729b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1730b4d72c08SEugene Crosser * 1731b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1732b4d72c08SEugene Crosser * 1733b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1734b4d72c08SEugene Crosser */ 1735b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1736b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1737b4d72c08SEugene Crosser { 1738b4d72c08SEugene Crosser int rc = 0; 1739b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1740b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1741b4d72c08SEugene Crosser .data = { 1742b4d72c08SEugene Crosser .qports = { 1743b4d72c08SEugene Crosser .role = role, 1744b4d72c08SEugene Crosser .state = state, 1745b4d72c08SEugene Crosser }, 1746b4d72c08SEugene Crosser }, 1747b4d72c08SEugene Crosser }; 1748b4d72c08SEugene Crosser 1749b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1750b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1751b4d72c08SEugene Crosser return -EOPNOTSUPP; 1752d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 17531aec42bcSThomas Richter if (!iob) 17541aec42bcSThomas Richter return -ENOMEM; 1755b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1756b4d72c08SEugene Crosser (void *)&cbctl); 1757c88394e7SEugene Crosser if (rc < 0) 1758b4d72c08SEugene Crosser return rc; 1759c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1760b4d72c08SEugene Crosser } 1761b4d72c08SEugene Crosser 1762b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1763b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1764b4d72c08SEugene Crosser { 1765b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1766b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1767b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1768b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1769b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1770b4d72c08SEugene Crosser return 0; 1771b4d72c08SEugene Crosser } 1772b4d72c08SEugene Crosser 1773b4d72c08SEugene Crosser /** 1774b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1775b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1776b4d72c08SEugene Crosser * @role: Role to assign. 1777b4d72c08SEugene Crosser * 1778b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1779b4d72c08SEugene Crosser */ 1780b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1781b4d72c08SEugene Crosser { 1782b4d72c08SEugene Crosser int rc = 0; 1783b4d72c08SEugene Crosser int cmdlength; 1784b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1785b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1786b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1787b4d72c08SEugene Crosser 1788b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1789b4d72c08SEugene Crosser switch (role) { 1790b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1791b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1792d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1793b4d72c08SEugene Crosser break; 1794b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1795b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1796d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1797b4d72c08SEugene Crosser break; 1798b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1799b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1800d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1801b4d72c08SEugene Crosser break; 1802b4d72c08SEugene Crosser default: 1803b4d72c08SEugene Crosser return -EINVAL; 1804b4d72c08SEugene Crosser } 1805b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1806b4d72c08SEugene Crosser return -EOPNOTSUPP; 1807d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 18081aec42bcSThomas Richter if (!iob) 18091aec42bcSThomas Richter return -ENOMEM; 1810b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1811b4d72c08SEugene Crosser (void *)&cbctl); 1812c88394e7SEugene Crosser if (rc < 0) 1813b4d72c08SEugene Crosser return rc; 1814c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1815b4d72c08SEugene Crosser } 1816b4d72c08SEugene Crosser 18179f48b9dbSEugene Crosser /** 18189f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 18199f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 18209f48b9dbSEugene Crosser * 18219f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 18229f48b9dbSEugene Crosser */ 18239f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 18249f48b9dbSEugene Crosser { 18259f48b9dbSEugene Crosser int rc; 18269f48b9dbSEugene Crosser 18279f48b9dbSEugene Crosser if (pnso_rc == 0) 18289f48b9dbSEugene Crosser switch (response) { 18299f48b9dbSEugene Crosser case 0x0001: 18309f48b9dbSEugene Crosser rc = 0; 18319f48b9dbSEugene Crosser break; 18329f48b9dbSEugene Crosser case 0x0004: 18339f48b9dbSEugene Crosser case 0x0100: 18349f48b9dbSEugene Crosser case 0x0106: 1835ffb95251SEugene Crosser rc = -EOPNOTSUPP; 18369f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 18379f48b9dbSEugene Crosser "Setting address notification failed\n"); 18389f48b9dbSEugene Crosser break; 18399f48b9dbSEugene Crosser case 0x0107: 18409f48b9dbSEugene Crosser rc = -EAGAIN; 18419f48b9dbSEugene Crosser break; 18429f48b9dbSEugene Crosser default: 18439f48b9dbSEugene Crosser rc = -EIO; 18449f48b9dbSEugene Crosser } 18459f48b9dbSEugene Crosser else 18469f48b9dbSEugene Crosser rc = -EIO; 18479f48b9dbSEugene Crosser 18489f48b9dbSEugene Crosser if (rc) { 18499f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 18509f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 18519f48b9dbSEugene Crosser } 18529f48b9dbSEugene Crosser return rc; 18539f48b9dbSEugene Crosser } 18549f48b9dbSEugene Crosser 18559f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 18569f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 18579f48b9dbSEugene Crosser { 18589f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 18599f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 18609f48b9dbSEugene Crosser u8 code; 18619f48b9dbSEugene Crosser 18629f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 18639f48b9dbSEugene Crosser WARN_ON_ONCE(1); 18649f48b9dbSEugene Crosser return; 18659f48b9dbSEugene Crosser } 18669f48b9dbSEugene Crosser 18679f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 18689f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 18699f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 18709f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 18719f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 18729f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 18739f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 18749f48b9dbSEugene Crosser } 18759f48b9dbSEugene Crosser 18769f48b9dbSEugene Crosser /** 18779f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 18789f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 18799f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 18809f48b9dbSEugene Crosser * 18819f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 18829f48b9dbSEugene Crosser * 18839f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 18849f48b9dbSEugene Crosser * currently registered hosts. 18859f48b9dbSEugene Crosser */ 18869f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 18879f48b9dbSEugene Crosser { 18889f48b9dbSEugene Crosser int rc; 18899f48b9dbSEugene Crosser u16 response; 18909f48b9dbSEugene Crosser struct ccw_device *ddev; 18919f48b9dbSEugene Crosser struct subchannel_id schid; 18929f48b9dbSEugene Crosser 18939f48b9dbSEugene Crosser if (!card) 18949f48b9dbSEugene Crosser return -EINVAL; 18959f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 18969f48b9dbSEugene Crosser return -EOPNOTSUPP; 18979f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 18989f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 18999f48b9dbSEugene Crosser 19009f48b9dbSEugene Crosser if (enable) { 19019f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 19029f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 19039f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 19049f48b9dbSEugene Crosser } else 19059f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 19069f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 19079f48b9dbSEugene Crosser } 19089f48b9dbSEugene Crosser 1909caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1910caa1f0b1SHans Wippel { 1911caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1912caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1913caa1f0b1SHans Wippel } 1914caa1f0b1SHans Wippel 1915a45b3fafSHans Wippel /* VNIC Characteristics support */ 1916a45b3fafSHans Wippel 1917a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1918a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 1919a45b3fafSHans Wippel { 1920a45b3fafSHans Wippel int rc; 1921a45b3fafSHans Wippel 1922a45b3fafSHans Wippel switch (ipa_rc) { 1923a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1924a45b3fafSHans Wippel return ipa_rc; 1925a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1926a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1927a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1928a45b3fafSHans Wippel break; 1929a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1930a45b3fafSHans Wippel rc = -EALREADY; 1931a45b3fafSHans Wippel break; 1932a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1933a45b3fafSHans Wippel rc = -EBUSY; 1934a45b3fafSHans Wippel break; 1935a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1936a45b3fafSHans Wippel rc = -ENOSPC; 1937a45b3fafSHans Wippel break; 1938a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1939a45b3fafSHans Wippel rc = -EACCES; 1940a45b3fafSHans Wippel break; 1941a45b3fafSHans Wippel default: 1942a45b3fafSHans Wippel rc = -EIO; 1943a45b3fafSHans Wippel } 1944a45b3fafSHans Wippel 1945a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1946a45b3fafSHans Wippel return rc; 1947a45b3fafSHans Wippel } 1948a45b3fafSHans Wippel 1949a45b3fafSHans Wippel /* generic VNICC request call back control */ 1950a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1951a45b3fafSHans Wippel u32 sub_cmd; 1952caa1f0b1SHans Wippel struct { 1953caa1f0b1SHans Wippel u32 vnic_char; 1954349d13d5SHans Wippel u32 timeout; 1955caa1f0b1SHans Wippel } param; 1956caa1f0b1SHans Wippel struct { 1957349d13d5SHans Wippel union{ 1958caa1f0b1SHans Wippel u32 *sup_cmds; 1959349d13d5SHans Wippel u32 *timeout; 1960349d13d5SHans Wippel }; 1961caa1f0b1SHans Wippel } result; 1962a45b3fafSHans Wippel }; 1963a45b3fafSHans Wippel 1964a45b3fafSHans Wippel /* generic VNICC request call back */ 1965a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1966a45b3fafSHans Wippel struct qeth_reply *reply, 1967a45b3fafSHans Wippel unsigned long data) 1968a45b3fafSHans Wippel { 1969caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1970caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1971a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1972a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 1973a45b3fafSHans Wippel 1974a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1975a45b3fafSHans Wippel if (cmd->hdr.return_code) 1976a45b3fafSHans Wippel return 0; 1977a45b3fafSHans Wippel /* return results to caller */ 1978a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 1979a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 1980a45b3fafSHans Wippel 1981caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 1982caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 1983caa1f0b1SHans Wippel 1984349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 1985349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 1986349d13d5SHans Wippel 1987a45b3fafSHans Wippel return 0; 1988a45b3fafSHans Wippel } 1989a45b3fafSHans Wippel 1990a45b3fafSHans Wippel /* generic VNICC request */ 1991a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 1992a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 1993a45b3fafSHans Wippel { 1994a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 1995a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1996a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 1997a45b3fafSHans Wippel int rc; 1998a45b3fafSHans Wippel 1999a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 2000a45b3fafSHans Wippel 2001a45b3fafSHans Wippel /* get new buffer for request */ 2002a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 2003a45b3fafSHans Wippel if (!iob) 2004a45b3fafSHans Wippel return -ENOMEM; 2005a45b3fafSHans Wippel 2006a45b3fafSHans Wippel /* create header for request */ 2007ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2008a45b3fafSHans Wippel req = &cmd->data.vnicc; 2009a45b3fafSHans Wippel 2010a45b3fafSHans Wippel /* create sub command header for request */ 2011a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 2012a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 2013a45b3fafSHans Wippel 2014a45b3fafSHans Wippel /* create sub command specific request fields */ 2015a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 2016a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 2017a45b3fafSHans Wippel break; 2018caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 2019caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 2020caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 2021caa1f0b1SHans Wippel break; 2022caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 2023caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 2024caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 2025caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 2026caa1f0b1SHans Wippel break; 2027349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 2028349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 2029349d13d5SHans Wippel /* fallthrough */ 2030349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 2031349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 2032349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 2033349d13d5SHans Wippel break; 2034a45b3fafSHans Wippel default: 2035a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 2036a45b3fafSHans Wippel return -EOPNOTSUPP; 2037a45b3fafSHans Wippel } 2038a45b3fafSHans Wippel 2039a45b3fafSHans Wippel /* send request */ 2040a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 2041a45b3fafSHans Wippel (void *) cbctl); 2042a45b3fafSHans Wippel 2043a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 2044a45b3fafSHans Wippel } 2045a45b3fafSHans Wippel 2046a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 2047a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 2048a45b3fafSHans Wippel { 2049a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2050a45b3fafSHans Wippel 2051a45b3fafSHans Wippel /* prepare callback control */ 2052a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2053a45b3fafSHans Wippel 2054a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2055a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2056a45b3fafSHans Wippel } 2057a45b3fafSHans Wippel 2058caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2059caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2060caa1f0b1SHans Wippel u32 *sup_cmds) 2061caa1f0b1SHans Wippel { 2062caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2063caa1f0b1SHans Wippel 2064caa1f0b1SHans Wippel /* prepare callback control */ 2065caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2066caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2067caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2068caa1f0b1SHans Wippel 2069caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2070caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2071caa1f0b1SHans Wippel } 2072caa1f0b1SHans Wippel 2073caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2074caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2075caa1f0b1SHans Wippel u32 cmd) 2076caa1f0b1SHans Wippel { 2077caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2078caa1f0b1SHans Wippel 2079caa1f0b1SHans Wippel /* prepare callback control */ 2080caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2081caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2082caa1f0b1SHans Wippel 2083caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2084caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2085caa1f0b1SHans Wippel } 2086caa1f0b1SHans Wippel 2087349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2088349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2089349d13d5SHans Wippel u32 cmd, u32 *timeout) 2090349d13d5SHans Wippel { 2091349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2092349d13d5SHans Wippel 2093349d13d5SHans Wippel /* prepare callback control */ 2094349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2095349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2096349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2097349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2098349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2099349d13d5SHans Wippel cbctl.result.timeout = timeout; 2100349d13d5SHans Wippel 2101349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2102349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2103349d13d5SHans Wippel } 2104349d13d5SHans Wippel 2105caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2106caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2107caa1f0b1SHans Wippel { 2108caa1f0b1SHans Wippel int rc = 0; 2109caa1f0b1SHans Wippel u32 cmd; 2110caa1f0b1SHans Wippel 2111caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2112caa1f0b1SHans Wippel 2113caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2114caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2115caa1f0b1SHans Wippel return -EBUSY; 2116caa1f0b1SHans Wippel 2117caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2118caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2119caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2120caa1f0b1SHans Wippel return -EOPNOTSUPP; 2121caa1f0b1SHans Wippel 2122caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2123caa1f0b1SHans Wippel if (state) { 2124caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2125caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2126caa1f0b1SHans Wippel } else { 2127caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2128caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2129caa1f0b1SHans Wippel } 2130caa1f0b1SHans Wippel 2131caa1f0b1SHans Wippel /* do we need to do anything? */ 2132caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2133caa1f0b1SHans Wippel return rc; 2134caa1f0b1SHans Wippel 2135caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2136caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2137caa1f0b1SHans Wippel if (state) 2138caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2139caa1f0b1SHans Wippel else 2140caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2141caa1f0b1SHans Wippel return rc; 2142caa1f0b1SHans Wippel } 2143caa1f0b1SHans Wippel 2144caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2145caa1f0b1SHans Wippel if (rc) 2146caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2147caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2148349d13d5SHans Wippel else { 2149349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2150349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2151caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2152349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2153349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2154349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2155349d13d5SHans Wippel } 2156caa1f0b1SHans Wippel 2157caa1f0b1SHans Wippel return rc; 2158caa1f0b1SHans Wippel } 2159caa1f0b1SHans Wippel 2160caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2161caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2162caa1f0b1SHans Wippel { 2163caa1f0b1SHans Wippel int rc = 0; 2164caa1f0b1SHans Wippel 2165caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2166caa1f0b1SHans Wippel 2167caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2168caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2169caa1f0b1SHans Wippel return -EBUSY; 2170caa1f0b1SHans Wippel 2171caa1f0b1SHans Wippel /* check if characteristic is supported */ 2172caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2173caa1f0b1SHans Wippel return -EOPNOTSUPP; 2174caa1f0b1SHans Wippel 2175caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2176caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2177caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2178caa1f0b1SHans Wippel 2179caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2180caa1f0b1SHans Wippel return rc; 2181caa1f0b1SHans Wippel } 2182caa1f0b1SHans Wippel 2183349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2184349d13d5SHans Wippel * supports timeout 2185349d13d5SHans Wippel */ 2186349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2187349d13d5SHans Wippel { 2188349d13d5SHans Wippel int rc = 0; 2189349d13d5SHans Wippel 2190349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2191349d13d5SHans Wippel 2192349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2193349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2194349d13d5SHans Wippel return -EBUSY; 2195349d13d5SHans Wippel 2196349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2197349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2198349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2199349d13d5SHans Wippel return -EOPNOTSUPP; 2200349d13d5SHans Wippel 2201349d13d5SHans Wippel /* do we need to do anything? */ 2202349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2203349d13d5SHans Wippel return rc; 2204349d13d5SHans Wippel 2205349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2206349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2207349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2208349d13d5SHans Wippel return rc; 2209349d13d5SHans Wippel } 2210349d13d5SHans Wippel 2211349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2212349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2213349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2214349d13d5SHans Wippel if (!rc) 2215349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2216349d13d5SHans Wippel 2217349d13d5SHans Wippel return rc; 2218349d13d5SHans Wippel } 2219349d13d5SHans Wippel 2220349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2221349d13d5SHans Wippel * learning supports timeout 2222349d13d5SHans Wippel */ 2223349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2224349d13d5SHans Wippel { 2225349d13d5SHans Wippel int rc = 0; 2226349d13d5SHans Wippel 2227349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2228349d13d5SHans Wippel 2229349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2230349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2231349d13d5SHans Wippel return -EBUSY; 2232349d13d5SHans Wippel 2233349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2234349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2235349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2236349d13d5SHans Wippel return -EOPNOTSUPP; 2237349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2238349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2239349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2240349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2241349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2242349d13d5SHans Wippel timeout); 2243349d13d5SHans Wippel 2244349d13d5SHans Wippel return rc; 2245349d13d5SHans Wippel } 2246349d13d5SHans Wippel 2247caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2248caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2249caa1f0b1SHans Wippel { 2250caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2251caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2252caa1f0b1SHans Wippel return false; 2253caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2254caa1f0b1SHans Wippel * or the card is offline. 2255caa1f0b1SHans Wippel */ 2256caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2257caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2258caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2259caa1f0b1SHans Wippel return false; 2260caa1f0b1SHans Wippel } 2261caa1f0b1SHans Wippel return true; 2262caa1f0b1SHans Wippel } 2263caa1f0b1SHans Wippel 2264349d13d5SHans Wippel /* recover user timeout setting */ 2265349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2266349d13d5SHans Wippel u32 *timeout) 2267349d13d5SHans Wippel { 2268349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2269349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2270349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2271349d13d5SHans Wippel timeout)) 2272349d13d5SHans Wippel return false; 2273349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2274349d13d5SHans Wippel return true; 2275349d13d5SHans Wippel } 2276349d13d5SHans Wippel 2277caa1f0b1SHans Wippel /* recover user characteristic setting */ 2278caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2279caa1f0b1SHans Wippel bool enable) 2280caa1f0b1SHans Wippel { 2281caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2282caa1f0b1SHans Wippel 2283caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2284caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2285caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2286caa1f0b1SHans Wippel return false; 2287caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2288caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2289caa1f0b1SHans Wippel return true; 2290caa1f0b1SHans Wippel } 2291caa1f0b1SHans Wippel 2292a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2293a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2294a45b3fafSHans Wippel { 2295349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2296caa1f0b1SHans Wippel unsigned int chars_len, i; 2297caa1f0b1SHans Wippel unsigned long chars_tmp; 2298caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2299caa1f0b1SHans Wippel bool enable, error; 2300caa1f0b1SHans Wippel 2301a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2302caa1f0b1SHans Wippel /* reset rx_bcast */ 2303caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2304a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2305a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2306349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2307349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2308caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2309caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2310a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2311a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2312caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2313caa1f0b1SHans Wippel return; 2314a45b3fafSHans Wippel } 2315caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2316caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2317caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2318caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2319caa1f0b1SHans Wippel vnicc = BIT(i); 2320caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2321349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2322349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2323349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2324caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2325caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2326caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2327caa1f0b1SHans Wippel } 2328caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2329349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2330349d13d5SHans Wippel timeout); 2331caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2332caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2333caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2334caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2335caa1f0b1SHans Wippel vnicc = BIT(i); 2336caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2337caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2338caa1f0b1SHans Wippel } 2339caa1f0b1SHans Wippel if (error) 2340caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2341caa1f0b1SHans Wippel } 2342caa1f0b1SHans Wippel 2343caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2344caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2345caa1f0b1SHans Wippel { 2346caa1f0b1SHans Wippel /* characteristics values */ 2347caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2348caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2349349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2350caa1f0b1SHans Wippel /* supported commands */ 2351caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2352349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2353caa1f0b1SHans Wippel /* settings wanted by users */ 2354caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2355a45b3fafSHans Wippel } 2356a45b3fafSHans Wippel 23574a71df50SFrank Blaschka module_init(qeth_l2_init); 23584a71df50SFrank Blaschka module_exit(qeth_l2_exit); 23594a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 23604a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 23614a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2362