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> 20fa115adfSAlexandra Winter #include <linux/if_bridge.h> 21ccffad25SJiri Pirko #include <linux/list.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 23fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 2410a6cfc0SAlexandra Winter #include <net/switchdev.h> 25a0138f59SAlexandra Winter #include <asm/chsc.h> 26fa115adfSAlexandra Winter #include <asm/css_chars.h> 27ec61bd2fSJulian Wiedmann #include <asm/setup.h> 284a71df50SFrank Blaschka #include "qeth_core.h" 29b4d72c08SEugene Crosser #include "qeth_l2.h" 304a71df50SFrank Blaschka 31742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 324a71df50SFrank Blaschka { 33efbbc1d5SEugene Crosser int rc; 344a71df50SFrank Blaschka 35efbbc1d5SEugene Crosser if (retcode) 361aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 37efbbc1d5SEugene Crosser switch (retcode) { 38efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 39efbbc1d5SEugene Crosser rc = 0; 40efbbc1d5SEugene Crosser break; 41efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 42ffb95251SEugene Crosser rc = -EOPNOTSUPP; 43efbbc1d5SEugene Crosser break; 44efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 45efbbc1d5SEugene Crosser rc = -ENOSPC; 46efbbc1d5SEugene Crosser break; 47efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 48efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 49bdb0cc12SJulian Wiedmann rc = -EADDRINUSE; 50efbbc1d5SEugene Crosser break; 51efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 52efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 53bdb0cc12SJulian Wiedmann rc = -EADDRNOTAVAIL; 54efbbc1d5SEugene Crosser break; 55efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 56efbbc1d5SEugene Crosser rc = -ENOENT; 57efbbc1d5SEugene Crosser break; 58efbbc1d5SEugene Crosser default: 59efbbc1d5SEugene Crosser rc = -EIO; 60efbbc1d5SEugene Crosser break; 614a71df50SFrank Blaschka } 62efbbc1d5SEugene Crosser return rc; 634a71df50SFrank Blaschka } 644a71df50SFrank Blaschka 65742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 66742d4d40SJulian Wiedmann struct qeth_reply *reply, 67742d4d40SJulian Wiedmann unsigned long data) 68742d4d40SJulian Wiedmann { 69742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 70742d4d40SJulian Wiedmann 71742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 72742d4d40SJulian Wiedmann } 73742d4d40SJulian Wiedmann 74ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 75ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 76ac988d78SJulian Wiedmann { 77ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 78ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 79ac988d78SJulian Wiedmann 80ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 81a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 82a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac)); 83ac988d78SJulian Wiedmann if (!iob) 84ac988d78SJulian Wiedmann return -ENOMEM; 85ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 8699f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 8799f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 88742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL); 89ac988d78SJulian Wiedmann } 90ac988d78SJulian Wiedmann 91ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 92ac988d78SJulian Wiedmann { 93ac988d78SJulian Wiedmann int rc; 94ac988d78SJulian Wiedmann 95ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 96ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 97ac988d78SJulian Wiedmann if (rc == 0) { 98ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 99654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac); 100ac988d78SJulian Wiedmann } else { 101ac988d78SJulian Wiedmann switch (rc) { 102bdb0cc12SJulian Wiedmann case -EADDRINUSE: 103ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 104ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 105ac988d78SJulian Wiedmann break; 106bdb0cc12SJulian Wiedmann case -EADDRNOTAVAIL: 107ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 108ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 109ac988d78SJulian Wiedmann break; 110ac988d78SJulian Wiedmann } 111ac988d78SJulian Wiedmann } 112ac988d78SJulian Wiedmann return rc; 113ac988d78SJulian Wiedmann } 114ac988d78SJulian Wiedmann 1158174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1164a71df50SFrank Blaschka { 1179d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1188174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 119efbbc1d5SEugene Crosser int rc; 120efbbc1d5SEugene Crosser 1218174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1228174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 123bdb0cc12SJulian Wiedmann if (rc == -EADDRINUSE) 124e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 125e19e5be8SJulian Wiedmann CARD_DEVID(card)); 126efbbc1d5SEugene Crosser else if (rc) 127e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 128e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 129efbbc1d5SEugene Crosser return rc; 1304a71df50SFrank Blaschka } 1314a71df50SFrank Blaschka 1328174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1334a71df50SFrank Blaschka { 1349d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1358174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 136efbbc1d5SEugene Crosser int rc; 137efbbc1d5SEugene Crosser 1388174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1398174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 140efbbc1d5SEugene Crosser if (rc) 141e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 142e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 143efbbc1d5SEugene Crosser return rc; 1444a71df50SFrank Blaschka } 1454a71df50SFrank Blaschka 146d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) 1474a71df50SFrank Blaschka { 148fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 149fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 150fe5c8028SLakhvich Dmitriy int i; 1514a71df50SFrank Blaschka 1520973292fSJulian Wiedmann hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) { 153fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 154fe5c8028SLakhvich Dmitriy kfree(mac); 1554a71df50SFrank Blaschka } 1564a71df50SFrank Blaschka } 1574a71df50SFrank Blaschka 158b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 159b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 160eca1d5c2SJulian Wiedmann int ipv, unsigned int data_len) 1614a71df50SFrank Blaschka { 162eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb); 1630aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1644a71df50SFrank Blaschka 165ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1664a71df50SFrank Blaschka 1670aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1680aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1690aef8392SJulian Wiedmann } else { 1700aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 171eeac0e20SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 172fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 1730aef8392SJulian Wiedmann } 174fc69660bSJulian Wiedmann 1754a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1764a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1774a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1784a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1794a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1804a71df50SFrank Blaschka else 181ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1824a71df50SFrank Blaschka 1834a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1844a71df50SFrank Blaschka * information to be present in 1854a71df50SFrank Blaschka * the QDIO header */ 1864a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1874a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1884a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1894a71df50SFrank Blaschka } 1904a71df50SFrank Blaschka } 1914a71df50SFrank Blaschka 192742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 1934a71df50SFrank Blaschka { 1942aa48671SJulian Wiedmann if (retcode) 1952aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 1962aa48671SJulian Wiedmann 1972aa48671SJulian Wiedmann switch (retcode) { 1982aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 1992aa48671SJulian Wiedmann return 0; 2002aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2012aa48671SJulian Wiedmann return -EINVAL; 2022aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2032aa48671SJulian Wiedmann return -EEXIST; 2042aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2052aa48671SJulian Wiedmann return -ENOENT; 2062aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2072aa48671SJulian Wiedmann return -EPERM; 2082aa48671SJulian Wiedmann default: 2092aa48671SJulian Wiedmann return -EIO; 2102aa48671SJulian Wiedmann } 2112aa48671SJulian Wiedmann } 2122aa48671SJulian Wiedmann 2132aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2142aa48671SJulian Wiedmann struct qeth_reply *reply, 2152aa48671SJulian Wiedmann unsigned long data) 2162aa48671SJulian Wiedmann { 2172aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2184a71df50SFrank Blaschka 219847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2204a71df50SFrank Blaschka if (cmd->hdr.return_code) { 221e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2222aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 223e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 224847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2254a71df50SFrank Blaschka } 226742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2274a71df50SFrank Blaschka } 2284a71df50SFrank Blaschka 2294a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2304a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2314a71df50SFrank Blaschka { 2324a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2334a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2344a71df50SFrank Blaschka 235847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 236a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 237a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan)); 2381aec42bcSThomas Richter if (!iob) 2391aec42bcSThomas Richter return -ENOMEM; 240ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2414a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 242742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2434a71df50SFrank Blaschka } 2444a71df50SFrank Blaschka 24580d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 24680d5c368SPatrick McHardy __be16 proto, u16 vid) 2474a71df50SFrank Blaschka { 248509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2494a71df50SFrank Blaschka 250847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 25110651db7SUrsula Braun if (!vid) 2528e586137SJiri Pirko return 0; 253e6e771b3SJulian Wiedmann 2545fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2554a71df50SFrank Blaschka } 2564a71df50SFrank Blaschka 25780d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 25880d5c368SPatrick McHardy __be16 proto, u16 vid) 2594a71df50SFrank Blaschka { 260509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2614a71df50SFrank Blaschka 262847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2635fc692a7SJulian Wiedmann if (!vid) 2645fc692a7SJulian Wiedmann return 0; 265e6e771b3SJulian Wiedmann 2665fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2674a71df50SFrank Blaschka } 2684a71df50SFrank Blaschka 2699d6a569aSJulian Wiedmann static void qeth_l2_set_pnso_mode(struct qeth_card *card, 2709d6a569aSJulian Wiedmann enum qeth_pnso_mode mode) 2719d6a569aSJulian Wiedmann { 2729d6a569aSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card))); 2739d6a569aSJulian Wiedmann WRITE_ONCE(card->info.pnso_mode, mode); 2749d6a569aSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card))); 2759d6a569aSJulian Wiedmann 2769d6a569aSJulian Wiedmann if (mode == QETH_PNSO_NONE) 2779d6a569aSJulian Wiedmann drain_workqueue(card->event_wq); 2789d6a569aSJulian Wiedmann } 2799d6a569aSJulian Wiedmann 280817741a8SAlexandra Winter static void qeth_l2_dev2br_fdb_flush(struct qeth_card *card) 281817741a8SAlexandra Winter { 282817741a8SAlexandra Winter struct switchdev_notifier_fdb_info info; 283817741a8SAlexandra Winter 284817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "fdbflush"); 285817741a8SAlexandra Winter 286817741a8SAlexandra Winter info.addr = NULL; 287817741a8SAlexandra Winter /* flush all VLANs: */ 288817741a8SAlexandra Winter info.vid = 0; 289817741a8SAlexandra Winter info.added_by_user = false; 290817741a8SAlexandra Winter info.offloaded = true; 291817741a8SAlexandra Winter 292817741a8SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_FLUSH_TO_BRIDGE, 293817741a8SAlexandra Winter card->dev, &info.info, NULL); 294817741a8SAlexandra Winter } 295817741a8SAlexandra Winter 2964a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 2974a71df50SFrank Blaschka { 2984a71df50SFrank Blaschka int rc = 0; 2994a71df50SFrank Blaschka 30057a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac"); 3014a71df50SFrank Blaschka 302ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 303ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 304ec61bd2fSJulian Wiedmann if (!rc) 305ec61bd2fSJulian Wiedmann goto out; 306e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 307e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 30857a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc); 309ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 310ec61bd2fSJulian Wiedmann } 311ec61bd2fSJulian Wiedmann 312b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3134a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3144b7ae122SJulian Wiedmann if (!rc) 31521b1702aSJulian Wiedmann goto out; 316e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 317e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 31857a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc); 31921b1702aSJulian Wiedmann /* fall back once more: */ 3204a71df50SFrank Blaschka } 32121b1702aSJulian Wiedmann 32221b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 323379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 32421b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 32521b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 32621b1702aSJulian Wiedmann 327ec61bd2fSJulian Wiedmann out: 32857a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len); 3294a71df50SFrank Blaschka return 0; 3304a71df50SFrank Blaschka } 3314a71df50SFrank Blaschka 332654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 333654e3d48SJulian Wiedmann { 334654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 335654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 336654e3d48SJulian Wiedmann 337654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 3389de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1; 3399de15117SJulian Wiedmann else 3409de15117SJulian Wiedmann card->info.dev_addr_is_registered = 0; 341654e3d48SJulian Wiedmann } 342654e3d48SJulian Wiedmann 343e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 344e22355eaSJulian Wiedmann { 345e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 346e22355eaSJulian Wiedmann 3479de15117SJulian Wiedmann if (card->info.dev_addr_is_registered) 348e22355eaSJulian Wiedmann return eth_validate_addr(dev); 349e22355eaSJulian Wiedmann 350e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 351e22355eaSJulian Wiedmann return -EPERM; 352e22355eaSJulian Wiedmann } 353e22355eaSJulian Wiedmann 3544a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 3554a71df50SFrank Blaschka { 3564a71df50SFrank Blaschka struct sockaddr *addr = p; 357509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 358bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 3594a71df50SFrank Blaschka int rc = 0; 3604a71df50SFrank Blaschka 361847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 3624a71df50SFrank Blaschka 3638024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 364847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 3654a71df50SFrank Blaschka return -EOPNOTSUPP; 3664a71df50SFrank Blaschka } 36799f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 368bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 369bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 370bcacfcbcSJulian Wiedmann 371bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 372bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 3739de15117SJulian Wiedmann card->info.dev_addr_is_registered) 374e6e771b3SJulian Wiedmann return 0; 375bcacfcbcSJulian Wiedmann 376bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 3774a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 378bcacfcbcSJulian Wiedmann if (rc) 379e6e771b3SJulian Wiedmann return rc; 380bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 381bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 382bcacfcbcSJulian Wiedmann 3839de15117SJulian Wiedmann if (card->info.dev_addr_is_registered) 384bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 3859de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1; 386e6e771b3SJulian Wiedmann return 0; 3874a71df50SFrank Blaschka } 3884a71df50SFrank Blaschka 38959b757a9SJulian Wiedmann static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable) 3900db587b0SEugene Crosser { 3910db587b0SEugene Crosser int role; 3920db587b0SEugene Crosser int rc; 3930db587b0SEugene Crosser 3940db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 3950db587b0SEugene Crosser 39659b757a9SJulian Wiedmann if (enable) { 3970db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 3980db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 3990db587b0SEugene Crosser else 4000db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4010db587b0SEugene Crosser } else 4020db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4030db587b0SEugene Crosser 4040db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 40559b757a9SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc); 4060db587b0SEugene Crosser if (!rc) { 4070db587b0SEugene Crosser card->options.sbp.role = role; 40859b757a9SJulian Wiedmann card->info.promisc_mode = enable; 40959b757a9SJulian Wiedmann } 4100db587b0SEugene Crosser } 411fe5c8028SLakhvich Dmitriy 41259b757a9SJulian Wiedmann static void qeth_l2_set_promisc_mode(struct qeth_card *card) 41359b757a9SJulian Wiedmann { 41459b757a9SJulian Wiedmann bool enable = card->dev->flags & IFF_PROMISC; 41559b757a9SJulian Wiedmann 41659b757a9SJulian Wiedmann if (card->info.promisc_mode == enable) 41759b757a9SJulian Wiedmann return; 41859b757a9SJulian Wiedmann 419c8183f54SJulian Wiedmann if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) { 42059b757a9SJulian Wiedmann qeth_setadp_promisc_mode(card, enable); 421c8183f54SJulian Wiedmann } else { 422c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 423c8183f54SJulian Wiedmann if (card->options.sbp.reflect_promisc) 42459b757a9SJulian Wiedmann qeth_l2_promisc_to_bridge(card, enable); 425c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 426c8183f54SJulian Wiedmann } 427fe5c8028SLakhvich Dmitriy } 42859b757a9SJulian Wiedmann 429fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 430fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 431fe5c8028SLakhvich Dmitriy * 432fe5c8028SLakhvich Dmitriy */ 4334641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 434fe5c8028SLakhvich Dmitriy { 435cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 436fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 437fe5c8028SLakhvich Dmitriy 4380973292fSJulian Wiedmann hash_for_each_possible(card->rx_mode_addrs, mac, hnode, mac_hash) { 43999f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4405f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 441fe5c8028SLakhvich Dmitriy return; 442fe5c8028SLakhvich Dmitriy } 4430db587b0SEugene Crosser } 4440db587b0SEugene Crosser 445fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 446fe5c8028SLakhvich Dmitriy if (!mac) 447fe5c8028SLakhvich Dmitriy return; 448fe5c8028SLakhvich Dmitriy 44999f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4505f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 451fe5c8028SLakhvich Dmitriy 4520973292fSJulian Wiedmann hash_add(card->rx_mode_addrs, &mac->hnode, mac_hash); 453fe5c8028SLakhvich Dmitriy } 454fe5c8028SLakhvich Dmitriy 455d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 4564a71df50SFrank Blaschka { 457d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 458d0c74825SJulian Wiedmann rx_mode_work); 459d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 460ccffad25SJiri Pirko struct netdev_hw_addr *ha; 461fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 462fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 463fe5c8028SLakhvich Dmitriy int i; 464fe5c8028SLakhvich Dmitriy int rc; 4654a71df50SFrank Blaschka 466847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 467fe5c8028SLakhvich Dmitriy 468d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 46922bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 4704641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 47132e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 4724641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 473d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 474fe5c8028SLakhvich Dmitriy 4750973292fSJulian Wiedmann hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) { 47600c163f1SJulian Wiedmann switch (mac->disp_flag) { 47700c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 4788174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 479fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 480fe5c8028SLakhvich Dmitriy kfree(mac); 48100c163f1SJulian Wiedmann break; 48200c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 4838174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 484fe5c8028SLakhvich Dmitriy if (rc) { 485fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 486fe5c8028SLakhvich Dmitriy kfree(mac); 48700c163f1SJulian Wiedmann break; 48800c163f1SJulian Wiedmann } 489df561f66SGustavo A. R. Silva fallthrough; 49000c163f1SJulian Wiedmann default: 49100c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 4925f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 49300c163f1SJulian Wiedmann } 494fe5c8028SLakhvich Dmitriy } 4957db2266aSFrank Blaschka 49659b757a9SJulian Wiedmann qeth_l2_set_promisc_mode(card); 4974a71df50SFrank Blaschka } 4984a71df50SFrank Blaschka 4997286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5007286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5017286384bSJulian Wiedmann { 502b413ff8aSJulian Wiedmann gfp_t gfp = GFP_ATOMIC | (skb_pfmemalloc(skb) ? __GFP_MEMALLOC : 0); 50369d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 50469d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 50569d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 50669d7ce80SJulian Wiedmann unsigned int elements = 0; 50769d7ce80SJulian Wiedmann unsigned int hd_len = 0; 50869d7ce80SJulian Wiedmann int rc; 5097286384bSJulian Wiedmann 5107286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5117286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5127286384bSJulian Wiedmann 51369d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 51469d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 515b413ff8aSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, gfp); 51669d7ce80SJulian Wiedmann if (!hdr) 51769d7ce80SJulian Wiedmann return -ENOMEM; 51869d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 51969d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 52069d7ce80SJulian Wiedmann elements++; 52169d7ce80SJulian Wiedmann } 52269d7ce80SJulian Wiedmann 52369d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 5244e26c5feSJulian Wiedmann if (elements > queue->max_elements) { 52569d7ce80SJulian Wiedmann rc = -E2BIG; 52669d7ce80SJulian Wiedmann goto out; 52769d7ce80SJulian Wiedmann } 52869d7ce80SJulian Wiedmann 52969d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 53069d7ce80SJulian Wiedmann elements); 53169d7ce80SJulian Wiedmann out: 53269d7ce80SJulian Wiedmann if (rc && hd_len) 53369d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 53469d7ce80SJulian Wiedmann return rc; 5357286384bSJulian Wiedmann } 5367286384bSJulian Wiedmann 537e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 538e38db6beSJulian Wiedmann struct net_device *dev) 5394a71df50SFrank Blaschka { 540509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5413a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb); 542290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 5437286384bSJulian Wiedmann int rc; 5444a71df50SFrank Blaschka 545eeac0e20SJulian Wiedmann if (!skb_is_gso(skb)) 546eeac0e20SJulian Wiedmann qdisc_skb_cb(skb)->pkt_len = skb->len; 5473a18d754SJulian Wiedmann if (IS_IQD(card)) 54854a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq); 54973dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq]; 550b0abc4f5SJulian Wiedmann 5515f89eca5SJulian Wiedmann if (IS_OSN(card)) 5527286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 5535f89eca5SJulian Wiedmann else 55473dc2dafSJulian Wiedmann rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), 55558aa2491SJulian Wiedmann qeth_l2_fill_header); 5564a71df50SFrank Blaschka 557eeac0e20SJulian Wiedmann if (!rc) 5587286384bSJulian Wiedmann return NETDEV_TX_OK; 5594a71df50SFrank Blaschka 560b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 561104b4859SJulian Wiedmann kfree_skb(skb); 5624a71df50SFrank Blaschka return NETDEV_TX_OK; 5634a71df50SFrank Blaschka } 5644a71df50SFrank Blaschka 5653a18d754SJulian Wiedmann static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, 5663a18d754SJulian Wiedmann struct net_device *sb_dev) 5673a18d754SJulian Wiedmann { 56873dc2dafSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 56973dc2dafSJulian Wiedmann 57073dc2dafSJulian Wiedmann if (IS_IQD(card)) 57173dc2dafSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, 57258aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 5733a18d754SJulian Wiedmann sb_dev); 5741c103cf8SJulian Wiedmann 5751c103cf8SJulian Wiedmann return IS_VM_NIC(card) ? netdev_pick_tx(dev, skb, sb_dev) : 5761c103cf8SJulian Wiedmann qeth_get_priority_queue(card, skb); 5773a18d754SJulian Wiedmann } 5783a18d754SJulian Wiedmann 579d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 580d0c74825SJulian Wiedmann { 581d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 582d0c74825SJulian Wiedmann 583d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 584d0c74825SJulian Wiedmann } 585d0c74825SJulian Wiedmann 586a0138f59SAlexandra Winter /** 587a0138f59SAlexandra Winter * qeth_l2_pnso() - perform network subchannel operation 588a0138f59SAlexandra Winter * @card: qeth_card structure pointer 5894fea49a7SAlexandra Winter * @oc: Operation Code 590a0138f59SAlexandra Winter * @cnc: Boolean Change-Notification Control 591a0138f59SAlexandra Winter * @cb: Callback function will be executed for each element 592a0138f59SAlexandra Winter * of the address list 593a0138f59SAlexandra Winter * @priv: Pointer to pass to the callback function. 594a0138f59SAlexandra Winter * 595a0138f59SAlexandra Winter * Collects network information in a network address list and calls the 596a0138f59SAlexandra Winter * callback function for every entry in the list. If "change-notification- 597a0138f59SAlexandra Winter * control" is set, further changes in the address list will be reported 598a0138f59SAlexandra Winter * via the IPA command. 599a0138f59SAlexandra Winter */ 6004fea49a7SAlexandra Winter static int qeth_l2_pnso(struct qeth_card *card, u8 oc, int cnc, 601a0138f59SAlexandra Winter void (*cb)(void *priv, struct chsc_pnso_naid_l2 *entry), 602a0138f59SAlexandra Winter void *priv) 603a0138f59SAlexandra Winter { 604a0138f59SAlexandra Winter struct ccw_device *ddev = CARD_DDEV(card); 605a0138f59SAlexandra Winter struct chsc_pnso_area *rr; 606a0138f59SAlexandra Winter u32 prev_instance = 0; 607a0138f59SAlexandra Winter int isfirstblock = 1; 608a0138f59SAlexandra Winter int i, size, elems; 609a0138f59SAlexandra Winter int rc; 610a0138f59SAlexandra Winter 611a0138f59SAlexandra Winter rr = (struct chsc_pnso_area *)get_zeroed_page(GFP_KERNEL); 612a0138f59SAlexandra Winter if (rr == NULL) 613a0138f59SAlexandra Winter return -ENOMEM; 614a0138f59SAlexandra Winter do { 6154fea49a7SAlexandra Winter QETH_CARD_TEXT(card, 2, "PNSO"); 616a0138f59SAlexandra Winter /* on the first iteration, naihdr.resume_token will be zero */ 6174fea49a7SAlexandra Winter rc = ccw_device_pnso(ddev, rr, oc, rr->naihdr.resume_token, 6184fea49a7SAlexandra Winter cnc); 619a0138f59SAlexandra Winter if (rc) 620a0138f59SAlexandra Winter continue; 621a0138f59SAlexandra Winter if (cb == NULL) 622a0138f59SAlexandra Winter continue; 623a0138f59SAlexandra Winter 624a0138f59SAlexandra Winter size = rr->naihdr.naids; 625a0138f59SAlexandra Winter if (size != sizeof(struct chsc_pnso_naid_l2)) { 626a0138f59SAlexandra Winter WARN_ON_ONCE(1); 627a0138f59SAlexandra Winter continue; 628a0138f59SAlexandra Winter } 629a0138f59SAlexandra Winter 630a0138f59SAlexandra Winter elems = (rr->response.length - sizeof(struct chsc_header) - 631a0138f59SAlexandra Winter sizeof(struct chsc_pnso_naihdr)) / size; 632a0138f59SAlexandra Winter 633a0138f59SAlexandra Winter if (!isfirstblock && (rr->naihdr.instance != prev_instance)) { 634a0138f59SAlexandra Winter /* Inform the caller that they need to scrap */ 635a0138f59SAlexandra Winter /* the data that was already reported via cb */ 636a0138f59SAlexandra Winter rc = -EAGAIN; 637a0138f59SAlexandra Winter break; 638a0138f59SAlexandra Winter } 639a0138f59SAlexandra Winter isfirstblock = 0; 640a0138f59SAlexandra Winter prev_instance = rr->naihdr.instance; 641a0138f59SAlexandra Winter for (i = 0; i < elems; i++) 642a0138f59SAlexandra Winter (*cb)(priv, &rr->entries[i]); 643a0138f59SAlexandra Winter } while ((rc == -EBUSY) || (!rc && /* list stored */ 644a0138f59SAlexandra Winter /* resume token is non-zero => list incomplete */ 645a0138f59SAlexandra Winter (rr->naihdr.resume_token.t1 || rr->naihdr.resume_token.t2))); 646a0138f59SAlexandra Winter 647a0138f59SAlexandra Winter if (rc) 648a0138f59SAlexandra Winter QETH_CARD_TEXT_(card, 2, "PNrp%04x", rr->response.code); 649a0138f59SAlexandra Winter 650a0138f59SAlexandra Winter free_page((unsigned long)rr); 651a0138f59SAlexandra Winter return rc; 652a0138f59SAlexandra Winter } 653a0138f59SAlexandra Winter 65410a6cfc0SAlexandra Winter static bool qeth_is_my_net_if_token(struct qeth_card *card, 65510a6cfc0SAlexandra Winter struct net_if_token *token) 65610a6cfc0SAlexandra Winter { 65710a6cfc0SAlexandra Winter return ((card->info.ddev_devno == token->devnum) && 65810a6cfc0SAlexandra Winter (card->info.cssid == token->cssid) && 65910a6cfc0SAlexandra Winter (card->info.iid == token->iid) && 66010a6cfc0SAlexandra Winter (card->info.ssid == token->ssid) && 66110a6cfc0SAlexandra Winter (card->info.chpid == token->chpid) && 66210a6cfc0SAlexandra Winter (card->info.chid == token->chid)); 66310a6cfc0SAlexandra Winter } 66410a6cfc0SAlexandra Winter 66510a6cfc0SAlexandra Winter /** 66610a6cfc0SAlexandra Winter * qeth_l2_dev2br_fdb_notify() - update fdb of master bridge 66710a6cfc0SAlexandra Winter * @card: qeth_card structure pointer 66810a6cfc0SAlexandra Winter * @code: event bitmask: high order bit 0x80 set to 66910a6cfc0SAlexandra Winter * 1 - removal of an object 67010a6cfc0SAlexandra Winter * 0 - addition of an object 67110a6cfc0SAlexandra Winter * Object type(s): 67210a6cfc0SAlexandra Winter * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC 67310a6cfc0SAlexandra Winter * @token: "network token" structure identifying 'physical' location 67410a6cfc0SAlexandra Winter * of the target 67510a6cfc0SAlexandra Winter * @addr_lnid: structure with MAC address and VLAN ID of the target 67610a6cfc0SAlexandra Winter */ 67710a6cfc0SAlexandra Winter static void qeth_l2_dev2br_fdb_notify(struct qeth_card *card, u8 code, 67810a6cfc0SAlexandra Winter struct net_if_token *token, 67910a6cfc0SAlexandra Winter struct mac_addr_lnid *addr_lnid) 68010a6cfc0SAlexandra Winter { 68110a6cfc0SAlexandra Winter struct switchdev_notifier_fdb_info info; 68210a6cfc0SAlexandra Winter u8 ntfy_mac[ETH_ALEN]; 68310a6cfc0SAlexandra Winter 68410a6cfc0SAlexandra Winter ether_addr_copy(ntfy_mac, addr_lnid->mac); 68510a6cfc0SAlexandra Winter /* Ignore VLAN only changes */ 68610a6cfc0SAlexandra Winter if (!(code & IPA_ADDR_CHANGE_CODE_MACADDR)) 68710a6cfc0SAlexandra Winter return; 68810a6cfc0SAlexandra Winter /* Ignore mcast entries */ 68910a6cfc0SAlexandra Winter if (is_multicast_ether_addr(ntfy_mac)) 69010a6cfc0SAlexandra Winter return; 69110a6cfc0SAlexandra Winter /* Ignore my own addresses */ 69210a6cfc0SAlexandra Winter if (qeth_is_my_net_if_token(card, token)) 69310a6cfc0SAlexandra Winter return; 69410a6cfc0SAlexandra Winter 69510a6cfc0SAlexandra Winter info.addr = ntfy_mac; 69610a6cfc0SAlexandra Winter /* don't report VLAN IDs */ 69710a6cfc0SAlexandra Winter info.vid = 0; 69810a6cfc0SAlexandra Winter info.added_by_user = false; 69910a6cfc0SAlexandra Winter info.offloaded = true; 70010a6cfc0SAlexandra Winter 70110a6cfc0SAlexandra Winter if (code & IPA_ADDR_CHANGE_CODE_REMOVAL) { 70210a6cfc0SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, 70310a6cfc0SAlexandra Winter card->dev, &info.info, NULL); 70410a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "andelmac"); 70510a6cfc0SAlexandra Winter QETH_CARD_TEXT_(card, 4, 70610a6cfc0SAlexandra Winter "mc%012lx", ether_addr_to_u64(ntfy_mac)); 70710a6cfc0SAlexandra Winter } else { 70810a6cfc0SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE, 70910a6cfc0SAlexandra Winter card->dev, &info.info, NULL); 71010a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "anaddmac"); 71110a6cfc0SAlexandra Winter QETH_CARD_TEXT_(card, 4, 71210a6cfc0SAlexandra Winter "mc%012lx", ether_addr_to_u64(ntfy_mac)); 71310a6cfc0SAlexandra Winter } 71410a6cfc0SAlexandra Winter } 71510a6cfc0SAlexandra Winter 716817741a8SAlexandra Winter static void qeth_l2_dev2br_an_set_cb(void *priv, 717817741a8SAlexandra Winter struct chsc_pnso_naid_l2 *entry) 718817741a8SAlexandra Winter { 719817741a8SAlexandra Winter u8 code = IPA_ADDR_CHANGE_CODE_MACADDR; 720817741a8SAlexandra Winter struct qeth_card *card = priv; 721817741a8SAlexandra Winter 722817741a8SAlexandra Winter if (entry->addr_lnid.lnid < VLAN_N_VID) 723817741a8SAlexandra Winter code |= IPA_ADDR_CHANGE_CODE_VLANID; 724817741a8SAlexandra Winter qeth_l2_dev2br_fdb_notify(card, code, 725817741a8SAlexandra Winter (struct net_if_token *)&entry->nit, 726817741a8SAlexandra Winter (struct mac_addr_lnid *)&entry->addr_lnid); 727817741a8SAlexandra Winter } 728817741a8SAlexandra Winter 729817741a8SAlexandra Winter /** 730817741a8SAlexandra Winter * qeth_l2_dev2br_an_set() - 731817741a8SAlexandra Winter * Enable or disable 'dev to bridge network address notification' 732817741a8SAlexandra Winter * @card: qeth_card structure pointer 733817741a8SAlexandra Winter * @enable: Enable or disable 'dev to bridge network address notification' 734817741a8SAlexandra Winter * 735817741a8SAlexandra Winter * Returns negative errno-compatible error indication or 0 on success. 736817741a8SAlexandra Winter * 737817741a8SAlexandra Winter * On enable, emits a series of address notifications for all 738817741a8SAlexandra Winter * currently registered hosts. 739817741a8SAlexandra Winter * 740817741a8SAlexandra Winter * Must be called under rtnl_lock 741817741a8SAlexandra Winter */ 742817741a8SAlexandra Winter static int qeth_l2_dev2br_an_set(struct qeth_card *card, bool enable) 743817741a8SAlexandra Winter { 744817741a8SAlexandra Winter int rc; 745817741a8SAlexandra Winter 746817741a8SAlexandra Winter if (enable) { 747817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "anseton"); 748817741a8SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 1, 749817741a8SAlexandra Winter qeth_l2_dev2br_an_set_cb, card); 750817741a8SAlexandra Winter if (rc == -EAGAIN) 751817741a8SAlexandra Winter /* address notification enabled, but inconsistent 752817741a8SAlexandra Winter * addresses reported -> disable address notification 753817741a8SAlexandra Winter */ 754817741a8SAlexandra Winter qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, 755817741a8SAlexandra Winter NULL, NULL); 756817741a8SAlexandra Winter } else { 757817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "ansetoff"); 758817741a8SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL); 759817741a8SAlexandra Winter } 760817741a8SAlexandra Winter 761817741a8SAlexandra Winter return rc; 762817741a8SAlexandra Winter } 763817741a8SAlexandra Winter 764780b6e7dSAlexandra Winter static int qeth_l2_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, 765780b6e7dSAlexandra Winter struct net_device *dev, u32 filter_mask, 766780b6e7dSAlexandra Winter int nlflags) 767780b6e7dSAlexandra Winter { 768780b6e7dSAlexandra Winter struct qeth_priv *priv = netdev_priv(dev); 769780b6e7dSAlexandra Winter struct qeth_card *card = dev->ml_priv; 770780b6e7dSAlexandra Winter u16 mode = BRIDGE_MODE_UNDEF; 771780b6e7dSAlexandra Winter 772780b6e7dSAlexandra Winter /* Do not even show qeth devs that cannot do bridge_setlink */ 773780b6e7dSAlexandra Winter if (!priv->brport_hw_features || !netif_device_present(dev) || 774780b6e7dSAlexandra Winter qeth_bridgeport_is_in_use(card)) 775780b6e7dSAlexandra Winter return -EOPNOTSUPP; 776780b6e7dSAlexandra Winter 777780b6e7dSAlexandra Winter return ndo_dflt_bridge_getlink(skb, pid, seq, dev, 778780b6e7dSAlexandra Winter mode, priv->brport_features, 779780b6e7dSAlexandra Winter priv->brport_hw_features, 780780b6e7dSAlexandra Winter nlflags, filter_mask, NULL); 781780b6e7dSAlexandra Winter } 782780b6e7dSAlexandra Winter 783521c65b6SAlexandra Winter static const struct nla_policy qeth_brport_policy[IFLA_BRPORT_MAX + 1] = { 784521c65b6SAlexandra Winter [IFLA_BRPORT_LEARNING_SYNC] = { .type = NLA_U8 }, 785521c65b6SAlexandra Winter }; 786521c65b6SAlexandra Winter 787521c65b6SAlexandra Winter /** 788521c65b6SAlexandra Winter * qeth_l2_bridge_setlink() - set bridgeport attributes 789521c65b6SAlexandra Winter * @dev: netdevice 790521c65b6SAlexandra Winter * @nlh: netlink message header 791521c65b6SAlexandra Winter * @flags: bridge flags (here: BRIDGE_FLAGS_SELF) 792521c65b6SAlexandra Winter * @extack: extended ACK report struct 793521c65b6SAlexandra Winter * 794521c65b6SAlexandra Winter * Called under rtnl_lock 795521c65b6SAlexandra Winter */ 796521c65b6SAlexandra Winter static int qeth_l2_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, 797521c65b6SAlexandra Winter u16 flags, struct netlink_ext_ack *extack) 798521c65b6SAlexandra Winter { 799521c65b6SAlexandra Winter struct qeth_priv *priv = netdev_priv(dev); 800521c65b6SAlexandra Winter struct nlattr *bp_tb[IFLA_BRPORT_MAX + 1]; 801521c65b6SAlexandra Winter struct qeth_card *card = dev->ml_priv; 802521c65b6SAlexandra Winter struct nlattr *attr, *nested_attr; 803521c65b6SAlexandra Winter bool enable, has_protinfo = false; 804521c65b6SAlexandra Winter int rem1, rem2; 805521c65b6SAlexandra Winter int rc; 806521c65b6SAlexandra Winter 807521c65b6SAlexandra Winter if (!netif_device_present(dev)) 808521c65b6SAlexandra Winter return -ENODEV; 809521c65b6SAlexandra Winter if (!(priv->brport_hw_features)) 810521c65b6SAlexandra Winter return -EOPNOTSUPP; 811521c65b6SAlexandra Winter 812521c65b6SAlexandra Winter nlmsg_for_each_attr(attr, nlh, sizeof(struct ifinfomsg), rem1) { 813521c65b6SAlexandra Winter if (nla_type(attr) == IFLA_PROTINFO) { 814521c65b6SAlexandra Winter rc = nla_parse_nested(bp_tb, IFLA_BRPORT_MAX, attr, 815521c65b6SAlexandra Winter qeth_brport_policy, extack); 816521c65b6SAlexandra Winter if (rc) 817521c65b6SAlexandra Winter return rc; 818521c65b6SAlexandra Winter has_protinfo = true; 819521c65b6SAlexandra Winter } else if (nla_type(attr) == IFLA_AF_SPEC) { 820521c65b6SAlexandra Winter nla_for_each_nested(nested_attr, attr, rem2) { 821521c65b6SAlexandra Winter if (nla_type(nested_attr) == IFLA_BRIDGE_FLAGS) 822521c65b6SAlexandra Winter continue; 823521c65b6SAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, nested_attr, 824521c65b6SAlexandra Winter "Unsupported attribute"); 825521c65b6SAlexandra Winter return -EINVAL; 826521c65b6SAlexandra Winter } 827521c65b6SAlexandra Winter } else { 828521c65b6SAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, attr, "Unsupported attribute"); 829521c65b6SAlexandra Winter return -EINVAL; 830521c65b6SAlexandra Winter } 831521c65b6SAlexandra Winter } 832521c65b6SAlexandra Winter if (!has_protinfo) 833521c65b6SAlexandra Winter return 0; 834521c65b6SAlexandra Winter if (!bp_tb[IFLA_BRPORT_LEARNING_SYNC]) 835521c65b6SAlexandra Winter return -EINVAL; 836521c65b6SAlexandra Winter enable = !!nla_get_u8(bp_tb[IFLA_BRPORT_LEARNING_SYNC]); 837521c65b6SAlexandra Winter 838521c65b6SAlexandra Winter if (enable == !!(priv->brport_features & BR_LEARNING_SYNC)) 839521c65b6SAlexandra Winter return 0; 840521c65b6SAlexandra Winter 841521c65b6SAlexandra Winter mutex_lock(&card->sbp_lock); 842521c65b6SAlexandra Winter /* do not change anything if BridgePort is enabled */ 843521c65b6SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) { 844521c65b6SAlexandra Winter NL_SET_ERR_MSG(extack, "n/a (BridgePort)"); 845521c65b6SAlexandra Winter rc = -EBUSY; 846521c65b6SAlexandra Winter } else if (enable) { 847521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); 848521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true); 849521c65b6SAlexandra Winter if (rc) 850521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 851521c65b6SAlexandra Winter else 852521c65b6SAlexandra Winter priv->brport_features |= BR_LEARNING_SYNC; 853521c65b6SAlexandra Winter } else { 854521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, false); 855521c65b6SAlexandra Winter if (!rc) { 856521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 857521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC; 858521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card); 859521c65b6SAlexandra Winter } 860521c65b6SAlexandra Winter } 861521c65b6SAlexandra Winter mutex_unlock(&card->sbp_lock); 862521c65b6SAlexandra Winter 863521c65b6SAlexandra Winter return rc; 864521c65b6SAlexandra Winter } 865521c65b6SAlexandra Winter 8663d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 867e22355eaSJulian Wiedmann .ndo_open = qeth_open, 868e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 869b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 8708403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 8716d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 8723a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 873e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 874fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 875942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 8768403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 8778403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 8788403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 8798403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 8808f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 881780b6e7dSAlexandra Winter .ndo_set_features = qeth_set_features, 882780b6e7dSAlexandra Winter .ndo_bridge_getlink = qeth_l2_bridge_getlink, 883521c65b6SAlexandra Winter .ndo_bridge_setlink = qeth_l2_bridge_setlink, 8848403b13cSFrank Blaschka }; 8858403b13cSFrank Blaschka 8868024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 8878024cc9eSJulian Wiedmann .ndo_open = qeth_open, 8888024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 8898024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 8908024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 8918024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 8928024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 8938024cc9eSJulian Wiedmann }; 8948024cc9eSJulian Wiedmann 895cd652be5SJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card) 8964a71df50SFrank Blaschka { 8978024cc9eSJulian Wiedmann if (IS_OSN(card)) { 8988024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 89925e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 9008024cc9eSJulian Wiedmann goto add_napi; 9018024cc9eSJulian Wiedmann } 9028024cc9eSJulian Wiedmann 9035f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 9048024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 9058024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 9069400c53fSJulian Wiedmann 9075fc692a7SJulian Wiedmann if (IS_OSM(card)) { 9089400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 9095fc692a7SJulian Wiedmann } else { 9105fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 9115fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 912f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 9135fc692a7SJulian Wiedmann } 9140f342945SJulian Wiedmann 915379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 9166d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 9178f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 9189bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 9198f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 9209bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 9219bdc4411SHans Wippel } 9224d7def2aSThomas Richter } 923571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 924571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 925571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 926571f9dd8SKittipon Meesompop } 927d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 928d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 929d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 930d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 931d7e6ed97SKittipon Meesompop } 9320aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 9330aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 9340aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 9350aef8392SJulian Wiedmann } 9360aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 9370aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 9380aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 9390aef8392SJulian Wiedmann } 9400aef8392SJulian Wiedmann 9410aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 9420aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 943c619e9a6SJulian Wiedmann netif_keep_dst(card->dev); 9440aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 9450aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 9460aef8392SJulian Wiedmann } 9470d6f02d3SJulian Wiedmann 9488024cc9eSJulian Wiedmann add_napi: 949d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 950cd652be5SJulian Wiedmann return register_netdev(card->dev); 9514a71df50SFrank Blaschka } 9524a71df50SFrank Blaschka 953521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 954521c10eaSJulian Wiedmann { 955a45b3fafSHans Wippel /* Set BridgePort features */ 956a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 957521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 958521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 959a45b3fafSHans Wippel /* VNIC Characteristics features */ 960a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 961a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 962a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 963521c10eaSJulian Wiedmann } 964521c10eaSJulian Wiedmann 9658ca769e2SJulian Wiedmann static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) 9668ca769e2SJulian Wiedmann { 9678ca769e2SJulian Wiedmann if (!card->options.sbp.reflect_promisc && 9688ca769e2SJulian Wiedmann card->options.sbp.role != QETH_SBP_ROLE_NONE) { 9698ca769e2SJulian Wiedmann /* Conditional to avoid spurious error messages */ 9708ca769e2SJulian Wiedmann qeth_bridgeport_setrole(card, card->options.sbp.role); 9718ca769e2SJulian Wiedmann /* Let the callback function refresh the stored role value. */ 9728ca769e2SJulian Wiedmann qeth_bridgeport_query_ports(card, &card->options.sbp.role, 9738ca769e2SJulian Wiedmann NULL); 9748ca769e2SJulian Wiedmann } 9758ca769e2SJulian Wiedmann if (card->options.sbp.hostnotification) { 9768ca769e2SJulian Wiedmann if (qeth_bridgeport_an_set(card, 1)) 9778ca769e2SJulian Wiedmann card->options.sbp.hostnotification = 0; 9788ca769e2SJulian Wiedmann } 9798ca769e2SJulian Wiedmann } 9808ca769e2SJulian Wiedmann 981fa115adfSAlexandra Winter /** 982fa115adfSAlexandra Winter * qeth_l2_detect_dev2br_support() - 983fa115adfSAlexandra Winter * Detect whether this card supports 'dev to bridge fdb network address 984fa115adfSAlexandra Winter * change notification' and thus can support the learning_sync bridgeport 985fa115adfSAlexandra Winter * attribute 986fa115adfSAlexandra Winter * @card: qeth_card structure pointer 987fa115adfSAlexandra Winter * 988fa115adfSAlexandra Winter * This is a destructive test and must be called before dev2br or 989fa115adfSAlexandra Winter * bridgeport address notification is enabled! 990fa115adfSAlexandra Winter */ 991fa115adfSAlexandra Winter static void qeth_l2_detect_dev2br_support(struct qeth_card *card) 992fa115adfSAlexandra Winter { 993fa115adfSAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev); 994fa115adfSAlexandra Winter bool dev2br_supported; 995fa115adfSAlexandra Winter int rc; 996fa115adfSAlexandra Winter 997fa115adfSAlexandra Winter QETH_CARD_TEXT(card, 2, "d2brsup"); 998fa115adfSAlexandra Winter if (!IS_IQD(card)) 999fa115adfSAlexandra Winter return; 1000fa115adfSAlexandra Winter 1001fa115adfSAlexandra Winter /* dev2br requires valid cssid,iid,chid */ 1002fa115adfSAlexandra Winter if (!card->info.ids_valid) { 1003fa115adfSAlexandra Winter dev2br_supported = false; 1004fa115adfSAlexandra Winter } else if (css_general_characteristics.enarf) { 1005fa115adfSAlexandra Winter dev2br_supported = true; 1006fa115adfSAlexandra Winter } else { 1007fa115adfSAlexandra Winter /* Old machines don't have the feature bit: 1008fa115adfSAlexandra Winter * Probe by testing whether a disable succeeds 1009fa115adfSAlexandra Winter */ 1010fa115adfSAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL); 1011fa115adfSAlexandra Winter dev2br_supported = !rc; 1012fa115adfSAlexandra Winter } 1013fa115adfSAlexandra Winter QETH_CARD_TEXT_(card, 2, "D2Bsup%02x", dev2br_supported); 1014fa115adfSAlexandra Winter 1015fa115adfSAlexandra Winter if (dev2br_supported) 1016fa115adfSAlexandra Winter priv->brport_hw_features |= BR_LEARNING_SYNC; 1017fa115adfSAlexandra Winter else 1018fa115adfSAlexandra Winter priv->brport_hw_features &= ~BR_LEARNING_SYNC; 1019fa115adfSAlexandra Winter } 1020fa115adfSAlexandra Winter 1021521c65b6SAlexandra Winter static void qeth_l2_enable_brport_features(struct qeth_card *card) 1022521c65b6SAlexandra Winter { 1023521c65b6SAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev); 1024521c65b6SAlexandra Winter int rc; 1025521c65b6SAlexandra Winter 1026521c65b6SAlexandra Winter if (priv->brport_features & BR_LEARNING_SYNC) { 1027521c65b6SAlexandra Winter if (priv->brport_hw_features & BR_LEARNING_SYNC) { 1028521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); 1029521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true); 1030521c65b6SAlexandra Winter if (rc == -EAGAIN) { 1031521c65b6SAlexandra Winter /* Recoverable error, retry once */ 1032521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 1033521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card); 1034521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); 1035521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true); 1036521c65b6SAlexandra Winter } 1037521c65b6SAlexandra Winter if (rc) { 1038521c65b6SAlexandra Winter netdev_err(card->dev, 1039521c65b6SAlexandra Winter "failed to enable bridge learning_sync: %d\n", 1040521c65b6SAlexandra Winter rc); 1041521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 1042521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card); 1043521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC; 1044521c65b6SAlexandra Winter } 1045521c65b6SAlexandra Winter } else { 1046521c65b6SAlexandra Winter dev_warn(&card->gdev->dev, 1047521c65b6SAlexandra Winter "bridge learning_sync not supported\n"); 1048521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC; 1049521c65b6SAlexandra Winter } 1050521c65b6SAlexandra Winter } 1051521c65b6SAlexandra Winter } 1052521c65b6SAlexandra Winter 10534e2b5aa5SJulian Wiedmann #ifdef CONFIG_QETH_OSN 10540ce37ec2SJulian Wiedmann static void qeth_osn_assist_cb(struct qeth_card *card, 105512fc286fSJulian Wiedmann struct qeth_cmd_buffer *iob, 105612fc286fSJulian Wiedmann unsigned int data_length) 10574a71df50SFrank Blaschka { 1058308946b0SJulian Wiedmann qeth_notify_cmd(iob, 0); 1059c3b2218dSJulian Wiedmann qeth_put_cmd(iob); 10604a71df50SFrank Blaschka } 10614a71df50SFrank Blaschka 10624a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 10634a71df50SFrank Blaschka { 10644a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 10654a71df50SFrank Blaschka struct qeth_card *card; 10664a71df50SFrank Blaschka 1067a59d121dSJulian Wiedmann if (data_len < 0) 1068a59d121dSJulian Wiedmann return -EINVAL; 10694a71df50SFrank Blaschka if (!dev) 10704a71df50SFrank Blaschka return -ENODEV; 1071509e2562SHeiko Carstens card = dev->ml_priv; 10724a71df50SFrank Blaschka if (!card) 10734a71df50SFrank Blaschka return -ENODEV; 1074847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1075c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 10764a71df50SFrank Blaschka return -ENODEV; 1077a59d121dSJulian Wiedmann 1078a59d121dSJulian Wiedmann iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1, 1079a59d121dSJulian Wiedmann QETH_IPA_TIMEOUT); 10801273a800SJulian Wiedmann if (!iob) 10811273a800SJulian Wiedmann return -ENOMEM; 10821273a800SJulian Wiedmann 10837f92316cSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len, NULL); 10847f92316cSJulian Wiedmann 1085ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 10860ce37ec2SJulian Wiedmann iob->callback = qeth_osn_assist_cb; 10870ce37ec2SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, NULL, NULL); 10884a71df50SFrank Blaschka } 10894a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 10904a71df50SFrank Blaschka 10914a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 10924a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 10934a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 10944a71df50SFrank Blaschka { 10954a71df50SFrank Blaschka struct qeth_card *card; 1096d7d18da1SJulian Wiedmann char bus_id[16]; 1097d7d18da1SJulian Wiedmann u16 devno; 10984a71df50SFrank Blaschka 1099d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1100d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1101d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1102d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 11034a71df50SFrank Blaschka return -ENODEV; 1104d7d18da1SJulian Wiedmann *dev = card->dev; 1105d7d18da1SJulian Wiedmann 1106847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 11074a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 11084a71df50SFrank Blaschka return -EINVAL; 11094a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 11104a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 11114a71df50SFrank Blaschka return 0; 11124a71df50SFrank Blaschka } 11134a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 11144a71df50SFrank Blaschka 11154a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 11164a71df50SFrank Blaschka { 11174a71df50SFrank Blaschka struct qeth_card *card; 11184a71df50SFrank Blaschka 11194a71df50SFrank Blaschka if (!dev) 11204a71df50SFrank Blaschka return; 1121509e2562SHeiko Carstens card = dev->ml_priv; 11224a71df50SFrank Blaschka if (!card) 11234a71df50SFrank Blaschka return; 1124847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 11254a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 11264a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 11274a71df50SFrank Blaschka return; 11284a71df50SFrank Blaschka } 11294a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 11304e2b5aa5SJulian Wiedmann #endif 11314a71df50SFrank Blaschka 1132b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1133b4d72c08SEugene Crosser 11349f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 11359f48b9dbSEugene Crosser 11369f48b9dbSEugene Crosser /** 11379f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 11389f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 11399f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 11409f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 11419f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 11429f48b9dbSEugene Crosser * object, 0 - addition of an object. 11439f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 11449f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 11459f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 11469f48b9dbSEugene Crosser * 11479f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 11489f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 11499f48b9dbSEugene Crosser * for all currently registered addresses. 11509f48b9dbSEugene Crosser */ 11519f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 11529f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 1153a0138f59SAlexandra Winter u8 code, 1154a0138f59SAlexandra Winter struct net_if_token *token, 1155a0138f59SAlexandra Winter struct mac_addr_lnid *addr_lnid) 11569f48b9dbSEugene Crosser { 11579f48b9dbSEugene Crosser char str[7][32]; 11589f48b9dbSEugene Crosser char *env[8]; 11599f48b9dbSEugene Crosser int i = 0; 11609f48b9dbSEugene Crosser 11619f48b9dbSEugene Crosser switch (evtype) { 11629f48b9dbSEugene Crosser case anev_reg_unreg: 11639f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 11649f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 11659f48b9dbSEugene Crosser ? "deregister" : "register"); 11669f48b9dbSEugene Crosser env[i] = str[i]; i++; 11679f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 11689f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 11699f48b9dbSEugene Crosser addr_lnid->lnid); 11709f48b9dbSEugene Crosser env[i] = str[i]; i++; 11719f48b9dbSEugene Crosser } 11729f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 11739846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 11749846e70bSEugene Crosser addr_lnid->mac); 11759f48b9dbSEugene Crosser env[i] = str[i]; i++; 11769f48b9dbSEugene Crosser } 11779f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 11789f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 11799f48b9dbSEugene Crosser env[i] = str[i]; i++; 11809f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 11819f48b9dbSEugene Crosser env[i] = str[i]; i++; 11829f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 11839f48b9dbSEugene Crosser token->chpid); 11849f48b9dbSEugene Crosser env[i] = str[i]; i++; 11859f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 11869f48b9dbSEugene Crosser env[i] = str[i]; i++; 11879f48b9dbSEugene Crosser break; 11889f48b9dbSEugene Crosser case anev_abort: 11899f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 11909f48b9dbSEugene Crosser env[i] = str[i]; i++; 11919f48b9dbSEugene Crosser break; 11929f48b9dbSEugene Crosser case anev_reset: 11939f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 11949f48b9dbSEugene Crosser env[i] = str[i]; i++; 11959f48b9dbSEugene Crosser break; 11969f48b9dbSEugene Crosser } 11979f48b9dbSEugene Crosser env[i] = NULL; 11989f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 11999f48b9dbSEugene Crosser } 12009f48b9dbSEugene Crosser 1201b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1202b4d72c08SEugene Crosser struct work_struct worker; 1203b4d72c08SEugene Crosser struct qeth_card *card; 120461c6f217SJulian Wiedmann u8 role; 120561c6f217SJulian Wiedmann u8 state; 1206b4d72c08SEugene Crosser }; 1207b4d72c08SEugene Crosser 1208b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1209b4d72c08SEugene Crosser { 1210b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1211b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1212b4d72c08SEugene Crosser char env_locrem[32]; 1213b4d72c08SEugene Crosser char env_role[32]; 1214b4d72c08SEugene Crosser char env_state[32]; 1215b4d72c08SEugene Crosser char *env[] = { 1216b4d72c08SEugene Crosser env_locrem, 1217b4d72c08SEugene Crosser env_role, 1218b4d72c08SEugene Crosser env_state, 1219b4d72c08SEugene Crosser NULL 1220b4d72c08SEugene Crosser }; 1221b4d72c08SEugene Crosser 1222b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1223b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 122461c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_NONE) ? "none" : 122561c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 122661c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1227b4d72c08SEugene Crosser "<INVALID>"); 1228b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 122961c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 123061c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_STANDBY) ? "standby" : 123161c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1232b4d72c08SEugene Crosser "<INVALID>"); 1233b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1234b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1235b4d72c08SEugene Crosser kfree(data); 1236b4d72c08SEugene Crosser } 1237b4d72c08SEugene Crosser 1238c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1239c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1240b4d72c08SEugene Crosser { 124165b0494eSJulian Wiedmann struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data; 1242b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1243b4d72c08SEugene Crosser 1244b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 124502472e28SJulian Wiedmann if (qports->num_entries == 0) { 124602472e28SJulian Wiedmann QETH_CARD_TEXT(card, 2, "BPempty"); 124702472e28SJulian Wiedmann return; 124802472e28SJulian Wiedmann } 1249b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 12508a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1251b4d72c08SEugene Crosser return; 1252b4d72c08SEugene Crosser } 125361c6f217SJulian Wiedmann 125461c6f217SJulian Wiedmann data = kzalloc(sizeof(*data), GFP_ATOMIC); 1255b4d72c08SEugene Crosser if (!data) { 1256b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1257b4d72c08SEugene Crosser return; 1258b4d72c08SEugene Crosser } 1259b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1260b4d72c08SEugene Crosser data->card = card; 126161c6f217SJulian Wiedmann /* Information for the local port: */ 126261c6f217SJulian Wiedmann data->role = qports->entry[0].role; 126361c6f217SJulian Wiedmann data->state = qports->entry[0].state; 126461c6f217SJulian Wiedmann 1265c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1266b4d72c08SEugene Crosser } 1267b4d72c08SEugene Crosser 1268a0138f59SAlexandra Winter struct qeth_addr_change_data { 12699d6a569aSJulian Wiedmann struct delayed_work dwork; 12709f48b9dbSEugene Crosser struct qeth_card *card; 1271a0138f59SAlexandra Winter struct qeth_ipacmd_addr_change ac_event; 12729f48b9dbSEugene Crosser }; 12739f48b9dbSEugene Crosser 127410a6cfc0SAlexandra Winter static void qeth_l2_dev2br_worker(struct work_struct *work) 127510a6cfc0SAlexandra Winter { 127610a6cfc0SAlexandra Winter struct delayed_work *dwork = to_delayed_work(work); 127710a6cfc0SAlexandra Winter struct qeth_addr_change_data *data; 127810a6cfc0SAlexandra Winter struct qeth_card *card; 1279817741a8SAlexandra Winter struct qeth_priv *priv; 128010a6cfc0SAlexandra Winter unsigned int i; 1281817741a8SAlexandra Winter int rc; 128210a6cfc0SAlexandra Winter 128310a6cfc0SAlexandra Winter data = container_of(dwork, struct qeth_addr_change_data, dwork); 128410a6cfc0SAlexandra Winter card = data->card; 1285817741a8SAlexandra Winter priv = netdev_priv(card->dev); 128610a6cfc0SAlexandra Winter 128710a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "dev2brew"); 128810a6cfc0SAlexandra Winter 128910a6cfc0SAlexandra Winter if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE) 129010a6cfc0SAlexandra Winter goto free; 129110a6cfc0SAlexandra Winter 129210a6cfc0SAlexandra Winter /* Potential re-config in progress, try again later: */ 129310a6cfc0SAlexandra Winter if (!rtnl_trylock()) { 129410a6cfc0SAlexandra Winter queue_delayed_work(card->event_wq, dwork, 129510a6cfc0SAlexandra Winter msecs_to_jiffies(100)); 129610a6cfc0SAlexandra Winter return; 129710a6cfc0SAlexandra Winter } 1298817741a8SAlexandra Winter if (!netif_device_present(card->dev)) 1299817741a8SAlexandra Winter goto out_unlock; 130010a6cfc0SAlexandra Winter 130110a6cfc0SAlexandra Winter if (data->ac_event.lost_event_mask) { 130210a6cfc0SAlexandra Winter QETH_DBF_MESSAGE(3, 130310a6cfc0SAlexandra Winter "Address change notification overflow on device %x\n", 130410a6cfc0SAlexandra Winter CARD_DEVID(card)); 1305817741a8SAlexandra Winter /* Card fdb and bridge fdb are out of sync, card has stopped 1306817741a8SAlexandra Winter * notifications (no need to drain_workqueue). Purge all 1307817741a8SAlexandra Winter * 'extern_learn' entries from the parent bridge and restart 1308817741a8SAlexandra Winter * the notifications. 1309817741a8SAlexandra Winter */ 1310817741a8SAlexandra Winter qeth_l2_dev2br_fdb_flush(card); 1311817741a8SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true); 1312817741a8SAlexandra Winter if (rc) { 1313817741a8SAlexandra Winter /* TODO: if we want to retry after -EAGAIN, be 1314817741a8SAlexandra Winter * aware there could be stale entries in the 1315817741a8SAlexandra Winter * workqueue now, that need to be drained. 1316817741a8SAlexandra Winter * For now we give up: 1317817741a8SAlexandra Winter */ 1318817741a8SAlexandra Winter netdev_err(card->dev, 1319817741a8SAlexandra Winter "bridge learning_sync failed to recover: %d\n", 1320817741a8SAlexandra Winter rc); 1321817741a8SAlexandra Winter WRITE_ONCE(card->info.pnso_mode, 1322817741a8SAlexandra Winter QETH_PNSO_NONE); 1323817741a8SAlexandra Winter /* To remove fdb entries reported by an_set: */ 1324817741a8SAlexandra Winter qeth_l2_dev2br_fdb_flush(card); 1325817741a8SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC; 1326817741a8SAlexandra Winter } else { 1327817741a8SAlexandra Winter QETH_DBF_MESSAGE(3, 1328817741a8SAlexandra Winter "Address Notification resynced on device %x\n", 1329817741a8SAlexandra Winter CARD_DEVID(card)); 1330817741a8SAlexandra Winter } 133110a6cfc0SAlexandra Winter } else { 133210a6cfc0SAlexandra Winter for (i = 0; i < data->ac_event.num_entries; i++) { 133310a6cfc0SAlexandra Winter struct qeth_ipacmd_addr_change_entry *entry = 133410a6cfc0SAlexandra Winter &data->ac_event.entry[i]; 133510a6cfc0SAlexandra Winter qeth_l2_dev2br_fdb_notify(card, 133610a6cfc0SAlexandra Winter entry->change_code, 133710a6cfc0SAlexandra Winter &entry->token, 133810a6cfc0SAlexandra Winter &entry->addr_lnid); 133910a6cfc0SAlexandra Winter } 134010a6cfc0SAlexandra Winter } 1341817741a8SAlexandra Winter 1342817741a8SAlexandra Winter out_unlock: 134310a6cfc0SAlexandra Winter rtnl_unlock(); 134410a6cfc0SAlexandra Winter 134510a6cfc0SAlexandra Winter free: 134610a6cfc0SAlexandra Winter kfree(data); 134710a6cfc0SAlexandra Winter } 134810a6cfc0SAlexandra Winter 1349a0138f59SAlexandra Winter static void qeth_addr_change_event_worker(struct work_struct *work) 13509f48b9dbSEugene Crosser { 13519d6a569aSJulian Wiedmann struct delayed_work *dwork = to_delayed_work(work); 13529d6a569aSJulian Wiedmann struct qeth_addr_change_data *data; 13539d6a569aSJulian Wiedmann struct qeth_card *card; 13549f48b9dbSEugene Crosser int i; 13559f48b9dbSEugene Crosser 13569d6a569aSJulian Wiedmann data = container_of(dwork, struct qeth_addr_change_data, dwork); 13579d6a569aSJulian Wiedmann card = data->card; 13589d6a569aSJulian Wiedmann 1359a0138f59SAlexandra Winter QETH_CARD_TEXT(data->card, 4, "adrchgew"); 13609d6a569aSJulian Wiedmann 13619d6a569aSJulian Wiedmann if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE) 13629d6a569aSJulian Wiedmann goto free; 13639d6a569aSJulian Wiedmann 1364a0138f59SAlexandra Winter if (data->ac_event.lost_event_mask) { 13659d6a569aSJulian Wiedmann /* Potential re-config in progress, try again later: */ 13669d6a569aSJulian Wiedmann if (!mutex_trylock(&card->sbp_lock)) { 13679d6a569aSJulian Wiedmann queue_delayed_work(card->event_wq, dwork, 13689d6a569aSJulian Wiedmann msecs_to_jiffies(100)); 13699d6a569aSJulian Wiedmann return; 13709d6a569aSJulian Wiedmann } 13719d6a569aSJulian Wiedmann 13729f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 1373a0138f59SAlexandra Winter "Address change notification stopped on %s (%s)\n", 13749f48b9dbSEugene Crosser data->card->dev->name, 1375a0138f59SAlexandra Winter (data->ac_event.lost_event_mask == 0x01) 13769f48b9dbSEugene Crosser ? "Overflow" 1377a0138f59SAlexandra Winter : (data->ac_event.lost_event_mask == 0x02) 13789f48b9dbSEugene Crosser ? "Bridge port state change" 13799f48b9dbSEugene Crosser : "Unknown reason"); 13809d6a569aSJulian Wiedmann 13819f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 13829d6a569aSJulian Wiedmann card->info.pnso_mode = QETH_PNSO_NONE; 1383c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 13849f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 13859f48b9dbSEugene Crosser 0, NULL, NULL); 13869f48b9dbSEugene Crosser } else 1387a0138f59SAlexandra Winter for (i = 0; i < data->ac_event.num_entries; i++) { 13889f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 1389a0138f59SAlexandra Winter &data->ac_event.entry[i]; 13909f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 13919f48b9dbSEugene Crosser anev_reg_unreg, 13929f48b9dbSEugene Crosser entry->change_code, 1393a0138f59SAlexandra Winter &entry->token, 1394a0138f59SAlexandra Winter &entry->addr_lnid); 13959f48b9dbSEugene Crosser } 13969d6a569aSJulian Wiedmann 13979d6a569aSJulian Wiedmann free: 13989f48b9dbSEugene Crosser kfree(data); 13999f48b9dbSEugene Crosser } 14009f48b9dbSEugene Crosser 1401a0138f59SAlexandra Winter static void qeth_addr_change_event(struct qeth_card *card, 1402c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 14039f48b9dbSEugene Crosser { 14049f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 14059f48b9dbSEugene Crosser &cmd->data.addrchange; 1406a0138f59SAlexandra Winter struct qeth_addr_change_data *data; 14079f48b9dbSEugene Crosser int extrasize; 14089f48b9dbSEugene Crosser 14099d6a569aSJulian Wiedmann if (card->info.pnso_mode == QETH_PNSO_NONE) 14109d6a569aSJulian Wiedmann return; 14119d6a569aSJulian Wiedmann 1412a0138f59SAlexandra Winter QETH_CARD_TEXT(card, 4, "adrchgev"); 14139f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 14149f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 14159f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 14169f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 14179f48b9dbSEugene Crosser } else { 1418a0138f59SAlexandra Winter QETH_CARD_TEXT_(card, 2, "ACHN%04x", 14199f48b9dbSEugene Crosser cmd->hdr.return_code); 14209f48b9dbSEugene Crosser return; 14219f48b9dbSEugene Crosser } 14229f48b9dbSEugene Crosser } 14239f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 14249f48b9dbSEugene Crosser hostevs->num_entries; 1425a0138f59SAlexandra Winter data = kzalloc(sizeof(struct qeth_addr_change_data) + extrasize, 14269f48b9dbSEugene Crosser GFP_ATOMIC); 14279f48b9dbSEugene Crosser if (!data) { 1428a0138f59SAlexandra Winter QETH_CARD_TEXT(card, 2, "ACNalloc"); 14299f48b9dbSEugene Crosser return; 14309f48b9dbSEugene Crosser } 143110a6cfc0SAlexandra Winter if (card->info.pnso_mode == QETH_PNSO_BRIDGEPORT) 14329d6a569aSJulian Wiedmann INIT_DELAYED_WORK(&data->dwork, qeth_addr_change_event_worker); 143310a6cfc0SAlexandra Winter else 143410a6cfc0SAlexandra Winter INIT_DELAYED_WORK(&data->dwork, qeth_l2_dev2br_worker); 14359f48b9dbSEugene Crosser data->card = card; 1436a0138f59SAlexandra Winter memcpy(&data->ac_event, hostevs, 14379f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 14389d6a569aSJulian Wiedmann queue_delayed_work(card->event_wq, &data->dwork, 0); 14399f48b9dbSEugene Crosser } 14409f48b9dbSEugene Crosser 1441b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1442b4d72c08SEugene Crosser 1443b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1444b4d72c08SEugene Crosser union { 1445b4d72c08SEugene Crosser u32 supported; 1446b4d72c08SEugene Crosser struct { 1447b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1448b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1449b4d72c08SEugene Crosser } qports; 1450b4d72c08SEugene Crosser } data; 1451b4d72c08SEugene Crosser }; 1452b4d72c08SEugene Crosser 1453b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 14541709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1455b4d72c08SEugene Crosser { 14561709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 14571709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 14581709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 14591709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1460b4d72c08SEugene Crosser int rc; 1461b4d72c08SEugene Crosser 14621709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 14631709ff8dSJulian Wiedmann return 0; 14641709ff8dSJulian Wiedmann 14651709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 14661709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 14671709ff8dSJulian Wiedmann switch (sbp_rc) { 14682063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1469b4d72c08SEugene Crosser rc = 0; 1470b4d72c08SEugene Crosser break; 14712063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 14722063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1473ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1474b4d72c08SEugene Crosser break; 14752063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 14762063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1477b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1478b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14799c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1480b4d72c08SEugene Crosser break; 14812063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 14822063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 14831b05cf62SEugene Crosser rc = -EPERM; 14841b05cf62SEugene Crosser dev_err(&card->gdev->dev, 14851b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 14861b05cf62SEugene Crosser break; 14872063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 14882063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1489b4d72c08SEugene Crosser switch (setcmd) { 1490b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1491b4d72c08SEugene Crosser rc = -EEXIST; 1492b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14939c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1494b4d72c08SEugene Crosser break; 1495b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1496b4d72c08SEugene Crosser rc = -EBUSY; 1497b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14989c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1499b4d72c08SEugene Crosser break; 1500b4d72c08SEugene Crosser default: 1501b4d72c08SEugene Crosser rc = -EIO; 1502b4d72c08SEugene Crosser } 1503b4d72c08SEugene Crosser break; 15042063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 15052063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1506b4d72c08SEugene Crosser rc = -EBUSY; 1507b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15089c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1509b4d72c08SEugene Crosser break; 15102063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 15112063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1512b4d72c08SEugene Crosser rc = -EEXIST; 1513b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15149c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1515b4d72c08SEugene Crosser break; 15162063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 15172063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1518b4d72c08SEugene Crosser rc = -EBUSY; 1519b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15209c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1521b4d72c08SEugene Crosser break; 15222063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 15232063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1524b4d72c08SEugene Crosser rc = -EACCES; 1525b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15269c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1527b4d72c08SEugene Crosser break; 1528b4d72c08SEugene Crosser default: 1529b4d72c08SEugene Crosser rc = -EIO; 1530b4d72c08SEugene Crosser } 15311709ff8dSJulian Wiedmann } else { 15321709ff8dSJulian Wiedmann switch (ipa_rc) { 1533b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1534ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1535b4d72c08SEugene Crosser break; 1536b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1537ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1538b4d72c08SEugene Crosser break; 1539b4d72c08SEugene Crosser default: 1540b4d72c08SEugene Crosser rc = -EIO; 1541b4d72c08SEugene Crosser } 15421709ff8dSJulian Wiedmann } 15439c23f4daSEugene Crosser 1544b4d72c08SEugene Crosser if (rc) { 15451709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 15461709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1547b4d72c08SEugene Crosser } 1548b4d72c08SEugene Crosser return rc; 1549b4d72c08SEugene Crosser } 1550b4d72c08SEugene Crosser 1551d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1552d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1553b9150461SJulian Wiedmann unsigned int data_length) 15549c23f4daSEugene Crosser { 1555379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 15569c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1557b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr; 1558d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1559d65626adSJulian Wiedmann 1560b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE, 1561b9150461SJulian Wiedmann data_length + 1562b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport, 1563b9150461SJulian Wiedmann data)); 1564d65626adSJulian Wiedmann if (!iob) 1565d65626adSJulian Wiedmann return iob; 1566b9150461SJulian Wiedmann 1567b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr; 1568b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length; 1569b9150461SJulian Wiedmann hdr->command_code = sbp_cmd; 1570b9150461SJulian Wiedmann hdr->used_total = 1; 1571b9150461SJulian Wiedmann hdr->seq_no = 1; 1572d65626adSJulian Wiedmann return iob; 15739c23f4daSEugene Crosser } 15749c23f4daSEugene Crosser 1575b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1576b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1577b4d72c08SEugene Crosser { 1578b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1579b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 15801709ff8dSJulian Wiedmann int rc; 15811709ff8dSJulian Wiedmann 1582b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 15831709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 15841709ff8dSJulian Wiedmann if (rc) 15851709ff8dSJulian Wiedmann return rc; 15861709ff8dSJulian Wiedmann 1587b4d72c08SEugene Crosser cbctl->data.supported = 1588b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1589b4d72c08SEugene Crosser return 0; 1590b4d72c08SEugene Crosser } 1591b4d72c08SEugene Crosser 1592b4d72c08SEugene Crosser /** 1593b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1594b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1595b4d72c08SEugene Crosser * 1596b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1597b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1598b4d72c08SEugene Crosser */ 1599c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1600b4d72c08SEugene Crosser { 1601b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1602b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1603b4d72c08SEugene Crosser 1604b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1605d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1606b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp)); 16071aec42bcSThomas Richter if (!iob) 16081aec42bcSThomas Richter return; 16091709ff8dSJulian Wiedmann 1610b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 16111709ff8dSJulian Wiedmann &cbctl)) { 1612b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 16131709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1614b4d72c08SEugene Crosser return; 1615b4d72c08SEugene Crosser } 1616b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1617b4d72c08SEugene Crosser } 1618b4d72c08SEugene Crosser 1619b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1620b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1621b4d72c08SEugene Crosser { 1622b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1623b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 162465b0494eSJulian Wiedmann struct qeth_sbp_port_data *qports; 16251709ff8dSJulian Wiedmann int rc; 1626b4d72c08SEugene Crosser 1627b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 16281709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 16291709ff8dSJulian Wiedmann if (rc) 16301709ff8dSJulian Wiedmann return rc; 16311709ff8dSJulian Wiedmann 163265b0494eSJulian Wiedmann qports = &cmd->data.sbp.data.port_data; 1633b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1634b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 16351709ff8dSJulian Wiedmann return -EINVAL; 1636b4d72c08SEugene Crosser } 1637b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1638b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1639b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1640b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1641b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1642b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1643b4d72c08SEugene Crosser } 1644b4d72c08SEugene Crosser return 0; 1645b4d72c08SEugene Crosser } 1646b4d72c08SEugene Crosser 1647b4d72c08SEugene Crosser /** 1648b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1649b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1650b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1651b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1652b4d72c08SEugene Crosser * 1653b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1654b4d72c08SEugene Crosser * 1655b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1656b4d72c08SEugene Crosser */ 1657b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1658b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1659b4d72c08SEugene Crosser { 1660b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1661b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1662b4d72c08SEugene Crosser .data = { 1663b4d72c08SEugene Crosser .qports = { 1664b4d72c08SEugene Crosser .role = role, 1665b4d72c08SEugene Crosser .state = state, 1666b4d72c08SEugene Crosser }, 1667b4d72c08SEugene Crosser }, 1668b4d72c08SEugene Crosser }; 1669b4d72c08SEugene Crosser 1670b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1671b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1672b4d72c08SEugene Crosser return -EOPNOTSUPP; 1673d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 16741aec42bcSThomas Richter if (!iob) 16751aec42bcSThomas Richter return -ENOMEM; 16761709ff8dSJulian Wiedmann 16771709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 16781709ff8dSJulian Wiedmann &cbctl); 1679b4d72c08SEugene Crosser } 1680b4d72c08SEugene Crosser 1681b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1682b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1683b4d72c08SEugene Crosser { 1684b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 16851709ff8dSJulian Wiedmann 1686b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 16871709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1688b4d72c08SEugene Crosser } 1689b4d72c08SEugene Crosser 1690b4d72c08SEugene Crosser /** 1691b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1692b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1693b4d72c08SEugene Crosser * @role: Role to assign. 1694b4d72c08SEugene Crosser * 1695b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1696b4d72c08SEugene Crosser */ 1697b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1698b4d72c08SEugene Crosser { 1699b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1700b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1701b9150461SJulian Wiedmann unsigned int cmdlength = 0; 1702b4d72c08SEugene Crosser 1703b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1704b4d72c08SEugene Crosser switch (role) { 1705b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1706b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1707b4d72c08SEugene Crosser break; 1708b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1709b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1710b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary); 1711b4d72c08SEugene Crosser break; 1712b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1713b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1714b4d72c08SEugene Crosser break; 1715b4d72c08SEugene Crosser default: 1716b4d72c08SEugene Crosser return -EINVAL; 1717b4d72c08SEugene Crosser } 1718b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1719b4d72c08SEugene Crosser return -EOPNOTSUPP; 1720d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 17211aec42bcSThomas Richter if (!iob) 17221aec42bcSThomas Richter return -ENOMEM; 17231709ff8dSJulian Wiedmann 17241709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1725b4d72c08SEugene Crosser } 1726b4d72c08SEugene Crosser 17279f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 1728a0138f59SAlexandra Winter struct chsc_pnso_naid_l2 *entry) 17299f48b9dbSEugene Crosser { 17309f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 17319f48b9dbSEugene Crosser u8 code; 17329f48b9dbSEugene Crosser 17339f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 1734a0138f59SAlexandra Winter if (entry->addr_lnid.lnid < VLAN_N_VID) 17359f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 17369f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 1737a0138f59SAlexandra Winter (struct net_if_token *)&entry->nit, 1738a0138f59SAlexandra Winter (struct mac_addr_lnid *)&entry->addr_lnid); 17399f48b9dbSEugene Crosser } 17409f48b9dbSEugene Crosser 17419f48b9dbSEugene Crosser /** 17429f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 17439f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 17449f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 17459f48b9dbSEugene Crosser * 17469f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 17479f48b9dbSEugene Crosser * 17489f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 17499f48b9dbSEugene Crosser * currently registered hosts. 17509f48b9dbSEugene Crosser */ 17519f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 17529f48b9dbSEugene Crosser { 17539f48b9dbSEugene Crosser int rc; 17549f48b9dbSEugene Crosser 17559f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 17569f48b9dbSEugene Crosser return -EOPNOTSUPP; 17579f48b9dbSEugene Crosser 17589f48b9dbSEugene Crosser if (enable) { 17599f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 17609d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_BRIDGEPORT); 17614fea49a7SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 1, 17624fea49a7SAlexandra Winter qeth_bridgeport_an_set_cb, card); 17639d6a569aSJulian Wiedmann if (rc) 17649d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 17659d6a569aSJulian Wiedmann } else { 17664fea49a7SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 0, NULL, NULL); 17679d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 17689d6a569aSJulian Wiedmann } 1769a0138f59SAlexandra Winter return rc; 17709f48b9dbSEugene Crosser } 17719f48b9dbSEugene Crosser 1772a45b3fafSHans Wippel /* VNIC Characteristics support */ 1773a45b3fafSHans Wippel 1774a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1775742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1776a45b3fafSHans Wippel { 1777a45b3fafSHans Wippel int rc; 1778a45b3fafSHans Wippel 1779a45b3fafSHans Wippel switch (ipa_rc) { 1780a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1781a45b3fafSHans Wippel return ipa_rc; 1782a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1783a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1784a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1785a45b3fafSHans Wippel break; 1786a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1787a45b3fafSHans Wippel rc = -EALREADY; 1788a45b3fafSHans Wippel break; 1789a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1790a45b3fafSHans Wippel rc = -EBUSY; 1791a45b3fafSHans Wippel break; 1792a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1793a45b3fafSHans Wippel rc = -ENOSPC; 1794a45b3fafSHans Wippel break; 1795a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1796a45b3fafSHans Wippel rc = -EACCES; 1797a45b3fafSHans Wippel break; 1798a45b3fafSHans Wippel default: 1799a45b3fafSHans Wippel rc = -EIO; 1800a45b3fafSHans Wippel } 1801a45b3fafSHans Wippel 1802a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1803a45b3fafSHans Wippel return rc; 1804a45b3fafSHans Wippel } 1805a45b3fafSHans Wippel 1806a45b3fafSHans Wippel /* generic VNICC request call back */ 1807a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1808a45b3fafSHans Wippel struct qeth_reply *reply, 1809a45b3fafSHans Wippel unsigned long data) 1810a45b3fafSHans Wippel { 1811a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1812a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 18132744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command; 1814a45b3fafSHans Wippel 1815a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1816a45b3fafSHans Wippel if (cmd->hdr.return_code) 1817742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1818a45b3fafSHans Wippel /* return results to caller */ 18192cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported; 18202cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled; 1821a45b3fafSHans Wippel 18222744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS) 182349f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.query_cmds.sup_cmds; 18242744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT) 182549f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.getset_timeout.timeout; 1826349d13d5SHans Wippel 1827a45b3fafSHans Wippel return 0; 1828a45b3fafSHans Wippel } 1829a45b3fafSHans Wippel 18302cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card, 18312cfb4810SJulian Wiedmann u32 vnicc_cmd, 18322cfb4810SJulian Wiedmann unsigned int data_length) 1833a45b3fafSHans Wippel { 18342cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr; 1835a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1836a45b3fafSHans Wippel 18372cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE, 18382cfb4810SJulian Wiedmann data_length + 18392cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data)); 1840a45b3fafSHans Wippel if (!iob) 18412cfb4810SJulian Wiedmann return NULL; 1842a45b3fafSHans Wippel 18432cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr; 18442cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length; 18452cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd; 18462cfb4810SJulian Wiedmann return iob; 1847a45b3fafSHans Wippel } 1848a45b3fafSHans Wippel 1849a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1850a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1851a45b3fafSHans Wippel { 18522cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 18532cfb4810SJulian Wiedmann 18542cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch"); 18552cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0); 18562cfb4810SJulian Wiedmann if (!iob) 18572cfb4810SJulian Wiedmann return -ENOMEM; 1858a45b3fafSHans Wippel 18592744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1860a45b3fafSHans Wippel } 1861a45b3fafSHans Wippel 1862caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1863caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1864caa1f0b1SHans Wippel u32 *sup_cmds) 1865caa1f0b1SHans Wippel { 18662cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 18672cfb4810SJulian Wiedmann 18682cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm"); 18692cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS, 18702cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds)); 18712cfb4810SJulian Wiedmann if (!iob) 18722cfb4810SJulian Wiedmann return -ENOMEM; 18732cfb4810SJulian Wiedmann 18742cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char; 1875caa1f0b1SHans Wippel 187649f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, sup_cmds); 1877caa1f0b1SHans Wippel } 1878caa1f0b1SHans Wippel 1879caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1880caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1881caa1f0b1SHans Wippel u32 cmd) 1882caa1f0b1SHans Wippel { 18832cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 18842cfb4810SJulian Wiedmann 18852cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc"); 18862cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char)); 18872cfb4810SJulian Wiedmann if (!iob) 18882cfb4810SJulian Wiedmann return -ENOMEM; 18892cfb4810SJulian Wiedmann 18902cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char; 1891caa1f0b1SHans Wippel 18922744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1893caa1f0b1SHans Wippel } 1894caa1f0b1SHans Wippel 1895349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1896349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1897349d13d5SHans Wippel u32 cmd, u32 *timeout) 1898349d13d5SHans Wippel { 18992cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout; 19002cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 19012cfb4810SJulian Wiedmann 19022cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst"); 19032cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, 19042cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout)); 19052cfb4810SJulian Wiedmann if (!iob) 19062cfb4810SJulian Wiedmann return -ENOMEM; 19072cfb4810SJulian Wiedmann 19082cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout; 19092cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc; 19102cfb4810SJulian Wiedmann 19112cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT) 19122cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout; 1913349d13d5SHans Wippel 191449f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, timeout); 1915349d13d5SHans Wippel } 1916349d13d5SHans Wippel 191758fa3575SJulian Wiedmann /* recover user timeout setting */ 191858fa3575SJulian Wiedmann static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 191958fa3575SJulian Wiedmann u32 *timeout) 192058fa3575SJulian Wiedmann { 192158fa3575SJulian Wiedmann if (card->options.vnicc.sup_chars & vnicc && 192258fa3575SJulian Wiedmann card->options.vnicc.getset_timeout_sup & vnicc && 192358fa3575SJulian Wiedmann !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 192458fa3575SJulian Wiedmann timeout)) 192558fa3575SJulian Wiedmann return false; 192658fa3575SJulian Wiedmann *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 192758fa3575SJulian Wiedmann return true; 192858fa3575SJulian Wiedmann } 192958fa3575SJulian Wiedmann 1930caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1931caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1932caa1f0b1SHans Wippel { 1933caa1f0b1SHans Wippel int rc = 0; 1934caa1f0b1SHans Wippel u32 cmd; 1935caa1f0b1SHans Wippel 1936caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1937caa1f0b1SHans Wippel 1938caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1939caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1940caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1941caa1f0b1SHans Wippel return -EOPNOTSUPP; 1942caa1f0b1SHans Wippel 19436f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 19446f3846f0SAlexandra Winter return -EBUSY; 19456f3846f0SAlexandra Winter 1946caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1947caa1f0b1SHans Wippel if (state) { 1948caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1949caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1950caa1f0b1SHans Wippel } else { 1951caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1952caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1953caa1f0b1SHans Wippel } 1954caa1f0b1SHans Wippel 1955caa1f0b1SHans Wippel /* do we need to do anything? */ 1956caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1957caa1f0b1SHans Wippel return rc; 1958caa1f0b1SHans Wippel 1959caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1960caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1961caa1f0b1SHans Wippel if (state) 1962caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1963caa1f0b1SHans Wippel else 1964caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1965caa1f0b1SHans Wippel return rc; 1966caa1f0b1SHans Wippel } 1967caa1f0b1SHans Wippel 1968caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1969caa1f0b1SHans Wippel if (rc) 1970caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1971caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1972349d13d5SHans Wippel else { 1973349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1974349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1975caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1976349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1977349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1978349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1979349d13d5SHans Wippel } 1980caa1f0b1SHans Wippel 1981caa1f0b1SHans Wippel return rc; 1982caa1f0b1SHans Wippel } 1983caa1f0b1SHans Wippel 1984caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1985caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1986caa1f0b1SHans Wippel { 1987caa1f0b1SHans Wippel int rc = 0; 1988caa1f0b1SHans Wippel 1989caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1990caa1f0b1SHans Wippel 1991caa1f0b1SHans Wippel /* check if characteristic is supported */ 1992caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1993caa1f0b1SHans Wippel return -EOPNOTSUPP; 1994caa1f0b1SHans Wippel 19956f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 19966f3846f0SAlexandra Winter return -EBUSY; 19976f3846f0SAlexandra Winter 1998caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1999caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2000caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2001caa1f0b1SHans Wippel 2002caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2003caa1f0b1SHans Wippel return rc; 2004caa1f0b1SHans Wippel } 2005caa1f0b1SHans Wippel 2006349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2007349d13d5SHans Wippel * supports timeout 2008349d13d5SHans Wippel */ 2009349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2010349d13d5SHans Wippel { 2011349d13d5SHans Wippel int rc = 0; 2012349d13d5SHans Wippel 2013349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2014349d13d5SHans Wippel 2015349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2016349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2017349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2018349d13d5SHans Wippel return -EOPNOTSUPP; 2019349d13d5SHans Wippel 20206f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 20216f3846f0SAlexandra Winter return -EBUSY; 20226f3846f0SAlexandra Winter 2023349d13d5SHans Wippel /* do we need to do anything? */ 2024349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2025349d13d5SHans Wippel return rc; 2026349d13d5SHans Wippel 2027349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2028349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2029349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2030349d13d5SHans Wippel return rc; 2031349d13d5SHans Wippel } 2032349d13d5SHans Wippel 2033349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2034349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2035349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2036349d13d5SHans Wippel if (!rc) 2037349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2038349d13d5SHans Wippel 2039349d13d5SHans Wippel return rc; 2040349d13d5SHans Wippel } 2041349d13d5SHans Wippel 2042349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2043349d13d5SHans Wippel * learning supports timeout 2044349d13d5SHans Wippel */ 2045349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2046349d13d5SHans Wippel { 2047349d13d5SHans Wippel int rc = 0; 2048349d13d5SHans Wippel 2049349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2050349d13d5SHans Wippel 2051349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2052349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2053349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2054349d13d5SHans Wippel return -EOPNOTSUPP; 20556f3846f0SAlexandra Winter 20566f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 20576f3846f0SAlexandra Winter return -EBUSY; 20586f3846f0SAlexandra Winter 2059349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2060349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2061349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2062349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2063349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2064349d13d5SHans Wippel timeout); 2065349d13d5SHans Wippel 2066349d13d5SHans Wippel return rc; 2067349d13d5SHans Wippel } 2068349d13d5SHans Wippel 2069caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2070817741a8SAlexandra Winter static bool _qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2071caa1f0b1SHans Wippel { 2072e8a66d80SAlexandra Winter if (!card->options.vnicc.sup_chars) 2073caa1f0b1SHans Wippel return false; 2074caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2075caa1f0b1SHans Wippel * or the card is offline. 2076caa1f0b1SHans Wippel */ 2077caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2078caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2079caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2080caa1f0b1SHans Wippel return false; 2081caa1f0b1SHans Wippel } 2082caa1f0b1SHans Wippel return true; 2083caa1f0b1SHans Wippel } 2084caa1f0b1SHans Wippel 2085817741a8SAlexandra Winter /** 2086817741a8SAlexandra Winter * qeth_bridgeport_allowed - are any qeth_bridgeport functions allowed? 2087817741a8SAlexandra Winter * @card: qeth_card structure pointer 2088817741a8SAlexandra Winter * 2089817741a8SAlexandra Winter * qeth_bridgeport functionality is mutually exclusive with usage of the 2090817741a8SAlexandra Winter * VNIC Characteristics and dev2br address notifications 2091817741a8SAlexandra Winter */ 2092817741a8SAlexandra Winter bool qeth_bridgeport_allowed(struct qeth_card *card) 2093817741a8SAlexandra Winter { 2094817741a8SAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev); 2095817741a8SAlexandra Winter 2096817741a8SAlexandra Winter return (!_qeth_l2_vnicc_is_in_use(card) && 2097817741a8SAlexandra Winter !(priv->brport_features & BR_LEARNING_SYNC)); 2098817741a8SAlexandra Winter } 2099817741a8SAlexandra Winter 2100caa1f0b1SHans Wippel /* recover user characteristic setting */ 2101caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2102caa1f0b1SHans Wippel bool enable) 2103caa1f0b1SHans Wippel { 2104caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2105caa1f0b1SHans Wippel 2106caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2107caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2108caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2109caa1f0b1SHans Wippel return false; 2110caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2111caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2112caa1f0b1SHans Wippel return true; 2113caa1f0b1SHans Wippel } 2114caa1f0b1SHans Wippel 2115a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2116a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2117a45b3fafSHans Wippel { 2118349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2119b528965bSAlexandra Winter bool enable, error = false; 2120caa1f0b1SHans Wippel unsigned int chars_len, i; 2121caa1f0b1SHans Wippel unsigned long chars_tmp; 2122caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2123caa1f0b1SHans Wippel 2124a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2125caa1f0b1SHans Wippel /* reset rx_bcast */ 2126caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2127a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2128a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2129349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2130349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2131caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2132caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2133a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2134a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2135caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2136caa1f0b1SHans Wippel return; 2137a45b3fafSHans Wippel } 2138caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2139caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2140caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2141caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2142caa1f0b1SHans Wippel vnicc = BIT(i); 2143b528965bSAlexandra Winter if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) { 2144b528965bSAlexandra Winter sup_cmds = 0; 2145b528965bSAlexandra Winter error = true; 2146b528965bSAlexandra Winter } 2147be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) && 2148be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2149be40a86cSAlexandra Winter card->options.vnicc.getset_timeout_sup |= vnicc; 2150be40a86cSAlexandra Winter else 2151349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2152be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_ENABLE) && 2153be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_DISABLE)) 2154be40a86cSAlexandra Winter card->options.vnicc.set_char_sup |= vnicc; 2155be40a86cSAlexandra Winter else 2156caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2157caa1f0b1SHans Wippel } 2158caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2159b528965bSAlexandra Winter error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2160349d13d5SHans Wippel timeout); 2161d1b9ae18SAlexandra Winter /* Change chars, if necessary */ 2162d1b9ae18SAlexandra Winter chars_tmp = card->options.vnicc.wanted_chars ^ 2163d1b9ae18SAlexandra Winter card->options.vnicc.cur_chars; 2164caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2165caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2166caa1f0b1SHans Wippel vnicc = BIT(i); 2167caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2168caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2169caa1f0b1SHans Wippel } 2170caa1f0b1SHans Wippel if (error) 2171caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2172caa1f0b1SHans Wippel } 2173caa1f0b1SHans Wippel 2174caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2175caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2176caa1f0b1SHans Wippel { 2177caa1f0b1SHans Wippel /* characteristics values */ 2178caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2179caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2180349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2181caa1f0b1SHans Wippel /* supported commands */ 2182caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2183349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2184caa1f0b1SHans Wippel /* settings wanted by users */ 2185caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2186a45b3fafSHans Wippel } 2187a45b3fafSHans Wippel 218858fa3575SJulian Wiedmann static const struct device_type qeth_l2_devtype = { 218958fa3575SJulian Wiedmann .name = "qeth_layer2", 219058fa3575SJulian Wiedmann .groups = qeth_l2_attr_groups, 219158fa3575SJulian Wiedmann }; 219258fa3575SJulian Wiedmann 219358fa3575SJulian Wiedmann static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 219458fa3575SJulian Wiedmann { 219558fa3575SJulian Wiedmann struct qeth_card *card = dev_get_drvdata(&gdev->dev); 219658fa3575SJulian Wiedmann int rc; 219758fa3575SJulian Wiedmann 219858fa3575SJulian Wiedmann if (IS_OSN(card)) 219958fa3575SJulian Wiedmann dev_notice(&gdev->dev, "OSN support will be dropped in 2021\n"); 220058fa3575SJulian Wiedmann 220158fa3575SJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 220258fa3575SJulian Wiedmann mutex_init(&card->sbp_lock); 220358fa3575SJulian Wiedmann 220458fa3575SJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 220558fa3575SJulian Wiedmann rc = qeth_l2_create_device_attributes(&gdev->dev); 220658fa3575SJulian Wiedmann if (rc) 220758fa3575SJulian Wiedmann return rc; 220858fa3575SJulian Wiedmann } 220958fa3575SJulian Wiedmann 221058fa3575SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 221158fa3575SJulian Wiedmann return 0; 221258fa3575SJulian Wiedmann } 221358fa3575SJulian Wiedmann 221458fa3575SJulian Wiedmann static void qeth_l2_remove_device(struct ccwgroup_device *gdev) 221558fa3575SJulian Wiedmann { 221658fa3575SJulian Wiedmann struct qeth_card *card = dev_get_drvdata(&gdev->dev); 221758fa3575SJulian Wiedmann 221858fa3575SJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) 221958fa3575SJulian Wiedmann qeth_l2_remove_device_attributes(&gdev->dev); 222058fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1); 222158fa3575SJulian Wiedmann wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 222258fa3575SJulian Wiedmann 222358fa3575SJulian Wiedmann if (gdev->state == CCWGROUP_ONLINE) 222458fa3575SJulian Wiedmann qeth_set_offline(card, false); 222558fa3575SJulian Wiedmann 222658fa3575SJulian Wiedmann cancel_work_sync(&card->close_dev_work); 222758fa3575SJulian Wiedmann if (card->dev->reg_state == NETREG_REGISTERED) 222858fa3575SJulian Wiedmann unregister_netdev(card->dev); 222958fa3575SJulian Wiedmann } 223058fa3575SJulian Wiedmann 223158fa3575SJulian Wiedmann static int qeth_l2_set_online(struct qeth_card *card, bool carrier_ok) 223258fa3575SJulian Wiedmann { 223358fa3575SJulian Wiedmann struct net_device *dev = card->dev; 223458fa3575SJulian Wiedmann int rc = 0; 223558fa3575SJulian Wiedmann 223658fa3575SJulian Wiedmann /* query before bridgeport_notification may be enabled */ 223758fa3575SJulian Wiedmann qeth_l2_detect_dev2br_support(card); 223858fa3575SJulian Wiedmann 223958fa3575SJulian Wiedmann mutex_lock(&card->sbp_lock); 224058fa3575SJulian Wiedmann qeth_bridgeport_query_support(card); 224158fa3575SJulian Wiedmann if (card->options.sbp.supported_funcs) { 224258fa3575SJulian Wiedmann qeth_l2_setup_bridgeport_attrs(card); 224358fa3575SJulian Wiedmann dev_info(&card->gdev->dev, 224458fa3575SJulian Wiedmann "The device represents a Bridge Capable Port\n"); 224558fa3575SJulian Wiedmann } 224658fa3575SJulian Wiedmann mutex_unlock(&card->sbp_lock); 224758fa3575SJulian Wiedmann 224858fa3575SJulian Wiedmann qeth_l2_register_dev_addr(card); 224958fa3575SJulian Wiedmann 225058fa3575SJulian Wiedmann /* for the rx_bcast characteristic, init VNICC after setmac */ 225158fa3575SJulian Wiedmann qeth_l2_vnicc_init(card); 225258fa3575SJulian Wiedmann 225358fa3575SJulian Wiedmann qeth_l2_trace_features(card); 225458fa3575SJulian Wiedmann 225558fa3575SJulian Wiedmann /* softsetup */ 225658fa3575SJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp"); 225758fa3575SJulian Wiedmann 225858fa3575SJulian Wiedmann card->state = CARD_STATE_SOFTSETUP; 225958fa3575SJulian Wiedmann 226058fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0xffffffff, 0); 226158fa3575SJulian Wiedmann 226258fa3575SJulian Wiedmann if (dev->reg_state != NETREG_REGISTERED) { 226358fa3575SJulian Wiedmann rc = qeth_l2_setup_netdev(card); 226458fa3575SJulian Wiedmann if (rc) 226558fa3575SJulian Wiedmann goto err_setup; 226658fa3575SJulian Wiedmann 226758fa3575SJulian Wiedmann if (carrier_ok) 226858fa3575SJulian Wiedmann netif_carrier_on(dev); 226958fa3575SJulian Wiedmann } else { 227058fa3575SJulian Wiedmann rtnl_lock(); 2271bb5ab541SJulian Wiedmann rc = qeth_set_real_num_tx_queues(card, 2272bb5ab541SJulian Wiedmann qeth_tx_actual_queues(card)); 2273bb5ab541SJulian Wiedmann if (rc) { 2274bb5ab541SJulian Wiedmann rtnl_unlock(); 2275bb5ab541SJulian Wiedmann goto err_set_queues; 2276bb5ab541SJulian Wiedmann } 2277bb5ab541SJulian Wiedmann 227858fa3575SJulian Wiedmann if (carrier_ok) 227958fa3575SJulian Wiedmann netif_carrier_on(dev); 228058fa3575SJulian Wiedmann else 228158fa3575SJulian Wiedmann netif_carrier_off(dev); 228258fa3575SJulian Wiedmann 228358fa3575SJulian Wiedmann netif_device_attach(dev); 228458fa3575SJulian Wiedmann qeth_enable_hw_features(dev); 228558fa3575SJulian Wiedmann qeth_l2_enable_brport_features(card); 228658fa3575SJulian Wiedmann 228758fa3575SJulian Wiedmann if (card->info.open_when_online) { 228858fa3575SJulian Wiedmann card->info.open_when_online = 0; 228958fa3575SJulian Wiedmann dev_open(dev, NULL); 229058fa3575SJulian Wiedmann } 229158fa3575SJulian Wiedmann rtnl_unlock(); 229258fa3575SJulian Wiedmann } 229358fa3575SJulian Wiedmann return 0; 229458fa3575SJulian Wiedmann 2295bb5ab541SJulian Wiedmann err_set_queues: 229658fa3575SJulian Wiedmann err_setup: 229758fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1); 229858fa3575SJulian Wiedmann card->state = CARD_STATE_DOWN; 229958fa3575SJulian Wiedmann return rc; 230058fa3575SJulian Wiedmann } 230158fa3575SJulian Wiedmann 230258fa3575SJulian Wiedmann static void qeth_l2_set_offline(struct qeth_card *card) 230358fa3575SJulian Wiedmann { 230458fa3575SJulian Wiedmann struct qeth_priv *priv = netdev_priv(card->dev); 230558fa3575SJulian Wiedmann 230658fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1); 230758fa3575SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 230858fa3575SJulian Wiedmann 230958fa3575SJulian Wiedmann if (card->state == CARD_STATE_SOFTSETUP) 231058fa3575SJulian Wiedmann card->state = CARD_STATE_DOWN; 231158fa3575SJulian Wiedmann 231258fa3575SJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); 231358fa3575SJulian Wiedmann if (priv->brport_features & BR_LEARNING_SYNC) { 231458fa3575SJulian Wiedmann rtnl_lock(); 231558fa3575SJulian Wiedmann qeth_l2_dev2br_fdb_flush(card); 231658fa3575SJulian Wiedmann rtnl_unlock(); 231758fa3575SJulian Wiedmann } 231858fa3575SJulian Wiedmann } 231958fa3575SJulian Wiedmann 232058fa3575SJulian Wiedmann /* Returns zero if the command is successfully "consumed" */ 232158fa3575SJulian Wiedmann static int qeth_l2_control_event(struct qeth_card *card, 232258fa3575SJulian Wiedmann struct qeth_ipa_cmd *cmd) 232358fa3575SJulian Wiedmann { 232458fa3575SJulian Wiedmann switch (cmd->hdr.command) { 232558fa3575SJulian Wiedmann case IPA_CMD_SETBRIDGEPORT_OSA: 232658fa3575SJulian Wiedmann case IPA_CMD_SETBRIDGEPORT_IQD: 232758fa3575SJulian Wiedmann if (cmd->data.sbp.hdr.command_code == 232858fa3575SJulian Wiedmann IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 232958fa3575SJulian Wiedmann qeth_bridge_state_change(card, cmd); 233058fa3575SJulian Wiedmann return 0; 233158fa3575SJulian Wiedmann } 233258fa3575SJulian Wiedmann 233358fa3575SJulian Wiedmann return 1; 233458fa3575SJulian Wiedmann case IPA_CMD_ADDRESS_CHANGE_NOTIF: 233558fa3575SJulian Wiedmann qeth_addr_change_event(card, cmd); 233658fa3575SJulian Wiedmann return 0; 233758fa3575SJulian Wiedmann default: 233858fa3575SJulian Wiedmann return 1; 233958fa3575SJulian Wiedmann } 234058fa3575SJulian Wiedmann } 234158fa3575SJulian Wiedmann 234258fa3575SJulian Wiedmann struct qeth_discipline qeth_l2_discipline = { 234358fa3575SJulian Wiedmann .devtype = &qeth_l2_devtype, 234458fa3575SJulian Wiedmann .setup = qeth_l2_probe_device, 234558fa3575SJulian Wiedmann .remove = qeth_l2_remove_device, 234658fa3575SJulian Wiedmann .set_online = qeth_l2_set_online, 234758fa3575SJulian Wiedmann .set_offline = qeth_l2_set_offline, 234858fa3575SJulian Wiedmann .do_ioctl = NULL, 234958fa3575SJulian Wiedmann .control_event_handler = qeth_l2_control_event, 235058fa3575SJulian Wiedmann }; 235158fa3575SJulian Wiedmann EXPORT_SYMBOL_GPL(qeth_l2_discipline); 235258fa3575SJulian Wiedmann 235358fa3575SJulian Wiedmann static int __init qeth_l2_init(void) 235458fa3575SJulian Wiedmann { 235558fa3575SJulian Wiedmann pr_info("register layer 2 discipline\n"); 235658fa3575SJulian Wiedmann return 0; 235758fa3575SJulian Wiedmann } 235858fa3575SJulian Wiedmann 235958fa3575SJulian Wiedmann static void __exit qeth_l2_exit(void) 236058fa3575SJulian Wiedmann { 236158fa3575SJulian Wiedmann pr_info("unregister layer 2 discipline\n"); 236258fa3575SJulian Wiedmann } 236358fa3575SJulian Wiedmann 23644a71df50SFrank Blaschka module_init(qeth_l2_init); 23654a71df50SFrank Blaschka module_exit(qeth_l2_exit); 23664a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 23674a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 23684a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2369