1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 28c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 29c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 30c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 31c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 32c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 33caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 34a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 35349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 36349d13d5SHans Wippel u32 *timeout); 374a71df50SFrank Blaschka 38742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 394a71df50SFrank Blaschka { 40efbbc1d5SEugene Crosser int rc; 414a71df50SFrank Blaschka 42efbbc1d5SEugene Crosser if (retcode) 431aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 44efbbc1d5SEugene Crosser switch (retcode) { 45efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 46efbbc1d5SEugene Crosser rc = 0; 47efbbc1d5SEugene Crosser break; 48efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 49ffb95251SEugene Crosser rc = -EOPNOTSUPP; 50efbbc1d5SEugene Crosser break; 51efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 52efbbc1d5SEugene Crosser rc = -ENOSPC; 53efbbc1d5SEugene Crosser break; 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 55efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 56efbbc1d5SEugene Crosser rc = -EEXIST; 57efbbc1d5SEugene Crosser break; 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 59efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 60efbbc1d5SEugene Crosser rc = -EPERM; 61efbbc1d5SEugene Crosser break; 62efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 63efbbc1d5SEugene Crosser rc = -ENOENT; 64efbbc1d5SEugene Crosser break; 65efbbc1d5SEugene Crosser default: 66efbbc1d5SEugene Crosser rc = -EIO; 67efbbc1d5SEugene Crosser break; 684a71df50SFrank Blaschka } 69efbbc1d5SEugene Crosser return rc; 704a71df50SFrank Blaschka } 714a71df50SFrank Blaschka 72742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 73742d4d40SJulian Wiedmann struct qeth_reply *reply, 74742d4d40SJulian Wiedmann unsigned long data) 75742d4d40SJulian Wiedmann { 76742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 77742d4d40SJulian Wiedmann 78742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 79742d4d40SJulian Wiedmann } 80742d4d40SJulian Wiedmann 81ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 82ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 83ac988d78SJulian Wiedmann { 84ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 85ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 86ac988d78SJulian Wiedmann 87ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 88a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 89a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac)); 90ac988d78SJulian Wiedmann if (!iob) 91ac988d78SJulian Wiedmann return -ENOMEM; 92ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 9399f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 9499f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 95742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL); 96ac988d78SJulian Wiedmann } 97ac988d78SJulian Wiedmann 98ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 99ac988d78SJulian Wiedmann { 100ac988d78SJulian Wiedmann int rc; 101ac988d78SJulian Wiedmann 102ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 103ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 104ac988d78SJulian Wiedmann if (rc == 0) { 105ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 106654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac); 107ac988d78SJulian Wiedmann } else { 108ac988d78SJulian Wiedmann switch (rc) { 109ac988d78SJulian Wiedmann case -EEXIST: 110ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 111ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 112ac988d78SJulian Wiedmann break; 113ac988d78SJulian Wiedmann case -EPERM: 114ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 115ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 116ac988d78SJulian Wiedmann break; 117ac988d78SJulian Wiedmann } 118ac988d78SJulian Wiedmann } 119ac988d78SJulian Wiedmann return rc; 120ac988d78SJulian Wiedmann } 121ac988d78SJulian Wiedmann 1228174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1234a71df50SFrank Blaschka { 1249d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1258174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 126efbbc1d5SEugene Crosser int rc; 127efbbc1d5SEugene Crosser 1288174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1298174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 130efbbc1d5SEugene Crosser if (rc == -EEXIST) 131e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 132e19e5be8SJulian Wiedmann CARD_DEVID(card)); 133efbbc1d5SEugene Crosser else if (rc) 134e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 135e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 136efbbc1d5SEugene Crosser return rc; 1374a71df50SFrank Blaschka } 1384a71df50SFrank Blaschka 1398174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1404a71df50SFrank Blaschka { 1419d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1428174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 143efbbc1d5SEugene Crosser int rc; 144efbbc1d5SEugene Crosser 1458174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1468174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 147efbbc1d5SEugene Crosser if (rc) 148e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 149e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 150efbbc1d5SEugene Crosser return rc; 1514a71df50SFrank Blaschka } 1524a71df50SFrank Blaschka 153d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) 1544a71df50SFrank Blaschka { 155fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 156fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 157fe5c8028SLakhvich Dmitriy int i; 1584a71df50SFrank Blaschka 159fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 160fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 161fe5c8028SLakhvich Dmitriy kfree(mac); 1624a71df50SFrank Blaschka } 1634a71df50SFrank Blaschka } 1644a71df50SFrank Blaschka 165b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 166b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 167eca1d5c2SJulian Wiedmann int ipv, unsigned int data_len) 1684a71df50SFrank Blaschka { 169eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb); 1700aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1714a71df50SFrank Blaschka 172ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1734a71df50SFrank Blaschka 1740aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1750aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1760aef8392SJulian Wiedmann } else { 1770aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 178eeac0e20SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 179fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 1800aef8392SJulian Wiedmann } 181fc69660bSJulian Wiedmann 1824a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1834a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1844a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1854a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1864a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1874a71df50SFrank Blaschka else 188ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1894a71df50SFrank Blaschka 1904a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1914a71df50SFrank Blaschka * information to be present in 1924a71df50SFrank Blaschka * the QDIO header */ 1934a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1944a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1954a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1964a71df50SFrank Blaschka } 1974a71df50SFrank Blaschka } 1984a71df50SFrank Blaschka 199742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 2004a71df50SFrank Blaschka { 2012aa48671SJulian Wiedmann if (retcode) 2022aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2032aa48671SJulian Wiedmann 2042aa48671SJulian Wiedmann switch (retcode) { 2052aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2062aa48671SJulian Wiedmann return 0; 2072aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2082aa48671SJulian Wiedmann return -EINVAL; 2092aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2102aa48671SJulian Wiedmann return -EEXIST; 2112aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2122aa48671SJulian Wiedmann return -ENOENT; 2132aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2142aa48671SJulian Wiedmann return -EPERM; 2152aa48671SJulian Wiedmann default: 2162aa48671SJulian Wiedmann return -EIO; 2172aa48671SJulian Wiedmann } 2182aa48671SJulian Wiedmann } 2192aa48671SJulian Wiedmann 2202aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2212aa48671SJulian Wiedmann struct qeth_reply *reply, 2222aa48671SJulian Wiedmann unsigned long data) 2232aa48671SJulian Wiedmann { 2242aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2254a71df50SFrank Blaschka 226847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2274a71df50SFrank Blaschka if (cmd->hdr.return_code) { 228e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2292aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 230e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 231847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2324a71df50SFrank Blaschka } 233742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2344a71df50SFrank Blaschka } 2354a71df50SFrank Blaschka 2364a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2374a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2384a71df50SFrank Blaschka { 2394a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2404a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2414a71df50SFrank Blaschka 242847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 243a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 244a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan)); 2451aec42bcSThomas Richter if (!iob) 2461aec42bcSThomas Richter return -ENOMEM; 247ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2484a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 249742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2504a71df50SFrank Blaschka } 2514a71df50SFrank Blaschka 25280d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 25380d5c368SPatrick McHardy __be16 proto, u16 vid) 2544a71df50SFrank Blaschka { 255509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2564a71df50SFrank Blaschka 257847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 25810651db7SUrsula Braun if (!vid) 2598e586137SJiri Pirko return 0; 260e6e771b3SJulian Wiedmann 2615fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2624a71df50SFrank Blaschka } 2634a71df50SFrank Blaschka 26480d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 26580d5c368SPatrick McHardy __be16 proto, u16 vid) 2664a71df50SFrank Blaschka { 267509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2684a71df50SFrank Blaschka 269847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2705fc692a7SJulian Wiedmann if (!vid) 2715fc692a7SJulian Wiedmann return 0; 272e6e771b3SJulian Wiedmann 2735fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2744a71df50SFrank Blaschka } 2754a71df50SFrank Blaschka 276d4560150SJulian Wiedmann static void qeth_l2_stop_card(struct qeth_card *card) 2774a71df50SFrank Blaschka { 27857a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "stopcard"); 2794a71df50SFrank Blaschka 2804a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2810f7aedbdSJulian Wiedmann 282d0c74825SJulian Wiedmann cancel_work_sync(&card->rx_mode_work); 283d0c74825SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 284d0c74825SJulian Wiedmann 2854a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 2864a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 2874a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 2884a71df50SFrank Blaschka } 2894a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 29041c47da3SJulian Wiedmann qeth_drain_output_queues(card); 2914a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 2924a71df50SFrank Blaschka } 293ad160872SJulian Wiedmann 2948b5026bcSJulian Wiedmann qeth_qdio_clear_card(card, 0); 295aa3ad392SJulian Wiedmann qeth_clear_working_pool_list(card); 296c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 2977bd2275cSJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 2980f399305SJulian Wiedmann card->info.promisc_mode = 0; 2994a71df50SFrank Blaschka } 3004a71df50SFrank Blaschka 3014a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 3024a71df50SFrank Blaschka { 3034a71df50SFrank Blaschka int rc = 0; 3044a71df50SFrank Blaschka 30557a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac"); 3064a71df50SFrank Blaschka 307ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 308ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 309ec61bd2fSJulian Wiedmann if (!rc) 310ec61bd2fSJulian Wiedmann goto out; 311e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 312e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 31357a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc); 314ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 315ec61bd2fSJulian Wiedmann } 316ec61bd2fSJulian Wiedmann 317b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3184a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3194b7ae122SJulian Wiedmann if (!rc) 32021b1702aSJulian Wiedmann goto out; 321e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 322e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 32357a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc); 32421b1702aSJulian Wiedmann /* fall back once more: */ 3254a71df50SFrank Blaschka } 32621b1702aSJulian Wiedmann 32721b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 328379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 32921b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 33021b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 33121b1702aSJulian Wiedmann 332ec61bd2fSJulian Wiedmann out: 33357a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len); 3344a71df50SFrank Blaschka return 0; 3354a71df50SFrank Blaschka } 3364a71df50SFrank Blaschka 337654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 338654e3d48SJulian Wiedmann { 339654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 340654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 341654e3d48SJulian Wiedmann 342654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 343654e3d48SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 344654e3d48SJulian Wiedmann } 345654e3d48SJulian Wiedmann 346e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 347e22355eaSJulian Wiedmann { 348e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 349e22355eaSJulian Wiedmann 3508024cc9eSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 351e22355eaSJulian Wiedmann return eth_validate_addr(dev); 352e22355eaSJulian Wiedmann 353e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 354e22355eaSJulian Wiedmann return -EPERM; 355e22355eaSJulian Wiedmann } 356e22355eaSJulian Wiedmann 3574a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 3584a71df50SFrank Blaschka { 3594a71df50SFrank Blaschka struct sockaddr *addr = p; 360509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 361bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 3624a71df50SFrank Blaschka int rc = 0; 3634a71df50SFrank Blaschka 364847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 3654a71df50SFrank Blaschka 3668024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 367847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 3684a71df50SFrank Blaschka return -EOPNOTSUPP; 3694a71df50SFrank Blaschka } 37099f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 371bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 372bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 373bcacfcbcSJulian Wiedmann 374bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 375bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 376bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 377e6e771b3SJulian Wiedmann return 0; 378bcacfcbcSJulian Wiedmann 379bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 3804a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 381bcacfcbcSJulian Wiedmann if (rc) 382e6e771b3SJulian Wiedmann return rc; 383bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 384bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 385bcacfcbcSJulian Wiedmann 386bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 387bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 388bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 389e6e771b3SJulian Wiedmann return 0; 3904a71df50SFrank Blaschka } 3914a71df50SFrank Blaschka 39259b757a9SJulian Wiedmann static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable) 3930db587b0SEugene Crosser { 3940db587b0SEugene Crosser int role; 3950db587b0SEugene Crosser int rc; 3960db587b0SEugene Crosser 3970db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 3980db587b0SEugene Crosser 39959b757a9SJulian Wiedmann if (enable) { 4000db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 4010db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 4020db587b0SEugene Crosser else 4030db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4040db587b0SEugene Crosser } else 4050db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4060db587b0SEugene Crosser 4070db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 40859b757a9SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc); 4090db587b0SEugene Crosser if (!rc) { 4100db587b0SEugene Crosser card->options.sbp.role = role; 41159b757a9SJulian Wiedmann card->info.promisc_mode = enable; 41259b757a9SJulian Wiedmann } 4130db587b0SEugene Crosser } 414fe5c8028SLakhvich Dmitriy 41559b757a9SJulian Wiedmann static void qeth_l2_set_promisc_mode(struct qeth_card *card) 41659b757a9SJulian Wiedmann { 41759b757a9SJulian Wiedmann bool enable = card->dev->flags & IFF_PROMISC; 41859b757a9SJulian Wiedmann 41959b757a9SJulian Wiedmann if (card->info.promisc_mode == enable) 42059b757a9SJulian Wiedmann return; 42159b757a9SJulian Wiedmann 422c8183f54SJulian Wiedmann if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) { 42359b757a9SJulian Wiedmann qeth_setadp_promisc_mode(card, enable); 424c8183f54SJulian Wiedmann } else { 425c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 426c8183f54SJulian Wiedmann if (card->options.sbp.reflect_promisc) 42759b757a9SJulian Wiedmann qeth_l2_promisc_to_bridge(card, enable); 428c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 429c8183f54SJulian Wiedmann } 430fe5c8028SLakhvich Dmitriy } 43159b757a9SJulian Wiedmann 432fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 433fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 434fe5c8028SLakhvich Dmitriy * 435fe5c8028SLakhvich Dmitriy */ 4364641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 437fe5c8028SLakhvich Dmitriy { 438cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 439fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 440fe5c8028SLakhvich Dmitriy 441cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 44299f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4435f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 444fe5c8028SLakhvich Dmitriy return; 445fe5c8028SLakhvich Dmitriy } 4460db587b0SEugene Crosser } 4470db587b0SEugene Crosser 448fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 449fe5c8028SLakhvich Dmitriy if (!mac) 450fe5c8028SLakhvich Dmitriy return; 451fe5c8028SLakhvich Dmitriy 45299f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4535f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 454fe5c8028SLakhvich Dmitriy 455cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 456fe5c8028SLakhvich Dmitriy } 457fe5c8028SLakhvich Dmitriy 458d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 4594a71df50SFrank Blaschka { 460d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 461d0c74825SJulian Wiedmann rx_mode_work); 462d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 463ccffad25SJiri Pirko struct netdev_hw_addr *ha; 464fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 465fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 466fe5c8028SLakhvich Dmitriy int i; 467fe5c8028SLakhvich Dmitriy int rc; 4684a71df50SFrank Blaschka 469847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 470fe5c8028SLakhvich Dmitriy 471d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 47222bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 4734641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 47432e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 4754641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 476d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 477fe5c8028SLakhvich Dmitriy 478fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 47900c163f1SJulian Wiedmann switch (mac->disp_flag) { 48000c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 4818174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 482fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 483fe5c8028SLakhvich Dmitriy kfree(mac); 48400c163f1SJulian Wiedmann break; 48500c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 4868174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 487fe5c8028SLakhvich Dmitriy if (rc) { 488fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 489fe5c8028SLakhvich Dmitriy kfree(mac); 49000c163f1SJulian Wiedmann break; 49100c163f1SJulian Wiedmann } 49200c163f1SJulian Wiedmann /* fall through */ 49300c163f1SJulian Wiedmann default: 49400c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 4955f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 49600c163f1SJulian Wiedmann } 497fe5c8028SLakhvich Dmitriy } 4987db2266aSFrank Blaschka 49959b757a9SJulian Wiedmann qeth_l2_set_promisc_mode(card); 5004a71df50SFrank Blaschka } 5014a71df50SFrank Blaschka 5027286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5037286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5047286384bSJulian Wiedmann { 50569d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 50669d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 50769d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 50869d7ce80SJulian Wiedmann unsigned int elements = 0; 50969d7ce80SJulian Wiedmann unsigned int hd_len = 0; 51069d7ce80SJulian Wiedmann int rc; 5117286384bSJulian Wiedmann 5127286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5137286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5147286384bSJulian Wiedmann 51569d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 51669d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 51769d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 51869d7ce80SJulian Wiedmann if (!hdr) 51969d7ce80SJulian Wiedmann return -ENOMEM; 52069d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 52169d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 52269d7ce80SJulian Wiedmann elements++; 52369d7ce80SJulian Wiedmann } 52469d7ce80SJulian Wiedmann 52569d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 5264e26c5feSJulian Wiedmann if (elements > queue->max_elements) { 52769d7ce80SJulian Wiedmann rc = -E2BIG; 52869d7ce80SJulian Wiedmann goto out; 52969d7ce80SJulian Wiedmann } 53069d7ce80SJulian Wiedmann 53169d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 53269d7ce80SJulian Wiedmann elements); 53369d7ce80SJulian Wiedmann out: 53469d7ce80SJulian Wiedmann if (rc && hd_len) 53569d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 53669d7ce80SJulian Wiedmann return rc; 5377286384bSJulian Wiedmann } 5387286384bSJulian Wiedmann 539e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 540e38db6beSJulian Wiedmann struct net_device *dev) 5414a71df50SFrank Blaschka { 542509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5433a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb); 544290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 5457286384bSJulian Wiedmann int rc; 5464a71df50SFrank Blaschka 547eeac0e20SJulian Wiedmann if (!skb_is_gso(skb)) 548eeac0e20SJulian Wiedmann qdisc_skb_cb(skb)->pkt_len = skb->len; 5493a18d754SJulian Wiedmann if (IS_IQD(card)) 55054a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq); 55173dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq]; 552b0abc4f5SJulian Wiedmann 5535f89eca5SJulian Wiedmann if (IS_OSN(card)) 5547286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 5555f89eca5SJulian Wiedmann else 55673dc2dafSJulian Wiedmann rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), 55758aa2491SJulian Wiedmann qeth_l2_fill_header); 5584a71df50SFrank Blaschka 559eeac0e20SJulian Wiedmann if (!rc) 5607286384bSJulian Wiedmann return NETDEV_TX_OK; 5614a71df50SFrank Blaschka 562b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 563104b4859SJulian Wiedmann kfree_skb(skb); 5644a71df50SFrank Blaschka return NETDEV_TX_OK; 5654a71df50SFrank Blaschka } 5664a71df50SFrank Blaschka 5673a18d754SJulian Wiedmann static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, 5683a18d754SJulian Wiedmann struct net_device *sb_dev) 5693a18d754SJulian Wiedmann { 57073dc2dafSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 57173dc2dafSJulian Wiedmann 57273dc2dafSJulian Wiedmann if (IS_IQD(card)) 57373dc2dafSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, 57458aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 5753a18d754SJulian Wiedmann sb_dev); 57673dc2dafSJulian Wiedmann return qeth_get_priority_queue(card, skb); 5773a18d754SJulian Wiedmann } 5783a18d754SJulian Wiedmann 5792d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 5802d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 5812d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 5822d2ebb3eSJulian Wiedmann }; 5832d2ebb3eSJulian Wiedmann 5844a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 5854a71df50SFrank Blaschka { 5864a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 5879111e788SUrsula Braun int rc; 5884a71df50SFrank Blaschka 58912b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 590c8183f54SJulian Wiedmann mutex_init(&card->sbp_lock); 59112b409ddSJulian Wiedmann 5922d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 5939111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 5949111e788SUrsula Braun if (rc) 5959111e788SUrsula Braun return rc; 5962d2ebb3eSJulian Wiedmann } 5975fc692a7SJulian Wiedmann 598fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 599d0c74825SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 6004a71df50SFrank Blaschka return 0; 6014a71df50SFrank Blaschka } 6024a71df50SFrank Blaschka 6034a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6044a71df50SFrank Blaschka { 6054a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6064a71df50SFrank Blaschka 6072d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 608b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 609f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6104a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6114a71df50SFrank Blaschka 61270919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 6134a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 614c2780c1aSJulian Wiedmann 615c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 61630356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 6174a71df50SFrank Blaschka unregister_netdev(card->dev); 6184a71df50SFrank Blaschka } 6194a71df50SFrank Blaschka 620d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 621d0c74825SJulian Wiedmann { 622d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 623d0c74825SJulian Wiedmann 624d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 625d0c74825SJulian Wiedmann } 626d0c74825SJulian Wiedmann 6273d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 628e22355eaSJulian Wiedmann .ndo_open = qeth_open, 629e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 630b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6318403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6326d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 6333a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 634e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 635fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 636942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 6378403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 6388403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 6398403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 6408403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 6418f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 6428f43fb00SThomas Richter .ndo_set_features = qeth_set_features 6438403b13cSFrank Blaschka }; 6448403b13cSFrank Blaschka 6458024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 6468024cc9eSJulian Wiedmann .ndo_open = qeth_open, 6478024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 6488024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6498024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 6508024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 6518024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 6528024cc9eSJulian Wiedmann }; 6538024cc9eSJulian Wiedmann 6549fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 6554a71df50SFrank Blaschka { 656d3d1b205SJulian Wiedmann int rc; 6574a71df50SFrank Blaschka 6588024cc9eSJulian Wiedmann if (IS_OSN(card)) { 6598024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 66025e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 6618024cc9eSJulian Wiedmann goto add_napi; 6628024cc9eSJulian Wiedmann } 6638024cc9eSJulian Wiedmann 6645f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 6658024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 6668024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 6679400c53fSJulian Wiedmann 6685fc692a7SJulian Wiedmann if (IS_OSM(card)) { 6699400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 6705fc692a7SJulian Wiedmann } else { 6715fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 6725fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 673f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 6745fc692a7SJulian Wiedmann } 6750f342945SJulian Wiedmann 676379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 6776d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 6788f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 6799bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 6808f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 6819bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 6829bdc4411SHans Wippel } 6834d7def2aSThomas Richter } 684571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 685571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 686571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 687571f9dd8SKittipon Meesompop } 688d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 689d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 690d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 691d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 692d7e6ed97SKittipon Meesompop } 6930aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 6940aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 6950aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 6960aef8392SJulian Wiedmann } 6970aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 6980aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 6990aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 7000aef8392SJulian Wiedmann } 7010aef8392SJulian Wiedmann 7020aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 7030aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 7040aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 7050aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 7060aef8392SJulian Wiedmann } 7070d6f02d3SJulian Wiedmann 7088024cc9eSJulian Wiedmann add_napi: 709d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 710d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 7119fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 7129fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 7139fae5c3bSJulian Wiedmann 714d3d1b205SJulian Wiedmann if (rc) 715d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 716d3d1b205SJulian Wiedmann return rc; 7174a71df50SFrank Blaschka } 7184a71df50SFrank Blaschka 719521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 720521c10eaSJulian Wiedmann { 721a45b3fafSHans Wippel /* Set BridgePort features */ 722a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 723521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 724521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 725a45b3fafSHans Wippel /* VNIC Characteristics features */ 726a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 727a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 728a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 729521c10eaSJulian Wiedmann } 730521c10eaSJulian Wiedmann 7318ca769e2SJulian Wiedmann static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) 7328ca769e2SJulian Wiedmann { 7338ca769e2SJulian Wiedmann if (!card->options.sbp.reflect_promisc && 7348ca769e2SJulian Wiedmann card->options.sbp.role != QETH_SBP_ROLE_NONE) { 7358ca769e2SJulian Wiedmann /* Conditional to avoid spurious error messages */ 7368ca769e2SJulian Wiedmann qeth_bridgeport_setrole(card, card->options.sbp.role); 7378ca769e2SJulian Wiedmann /* Let the callback function refresh the stored role value. */ 7388ca769e2SJulian Wiedmann qeth_bridgeport_query_ports(card, &card->options.sbp.role, 7398ca769e2SJulian Wiedmann NULL); 7408ca769e2SJulian Wiedmann } 7418ca769e2SJulian Wiedmann if (card->options.sbp.hostnotification) { 7428ca769e2SJulian Wiedmann if (qeth_bridgeport_an_set(card, 1)) 7438ca769e2SJulian Wiedmann card->options.sbp.hostnotification = 0; 7448ca769e2SJulian Wiedmann } else { 7458ca769e2SJulian Wiedmann qeth_bridgeport_an_set(card, 0); 7468ca769e2SJulian Wiedmann } 7478ca769e2SJulian Wiedmann } 7488ca769e2SJulian Wiedmann 749d4560150SJulian Wiedmann static int qeth_l2_set_online(struct ccwgroup_device *gdev) 7504a71df50SFrank Blaschka { 7514a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 752fa3d2e60SJulian Wiedmann struct net_device *dev = card->dev; 7534a71df50SFrank Blaschka int rc = 0; 7549fae5c3bSJulian Wiedmann bool carrier_ok; 7554a71df50SFrank Blaschka 7569dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 757c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 75857a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "setonlin"); 7594a71df50SFrank Blaschka 7609fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 7614a71df50SFrank Blaschka if (rc) { 76257a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "2err%04x", rc); 763aa909224SUrsula Braun rc = -ENODEV; 7644a71df50SFrank Blaschka goto out_remove; 7654a71df50SFrank Blaschka } 766654e3d48SJulian Wiedmann 767c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 768d7ef489fSJulian Wiedmann qeth_bridgeport_query_support(card); 7698ca769e2SJulian Wiedmann if (card->options.sbp.supported_funcs) { 7708ca769e2SJulian Wiedmann qeth_l2_setup_bridgeport_attrs(card); 771d7ef489fSJulian Wiedmann dev_info(&card->gdev->dev, 772d7ef489fSJulian Wiedmann "The device represents a Bridge Capable Port\n"); 7738ca769e2SJulian Wiedmann } 774c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 775d7ef489fSJulian Wiedmann 776d7ef489fSJulian Wiedmann qeth_l2_register_dev_addr(card); 777d7ef489fSJulian Wiedmann 778a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 779a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 780a45b3fafSHans Wippel 781a45b3fafSHans Wippel qeth_trace_features(card); 782a45b3fafSHans Wippel qeth_l2_trace_features(card); 783a45b3fafSHans Wippel 7844a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 7854a71df50SFrank Blaschka qeth_print_status_message(card); 7864a71df50SFrank Blaschka 7874a71df50SFrank Blaschka /* softsetup */ 78857a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp"); 7894a71df50SFrank Blaschka 7904a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 7914a71df50SFrank Blaschka 7924a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 793d025da9eSJulian Wiedmann 794fa3d2e60SJulian Wiedmann if (!qeth_netdev_is_registered(dev)) { 795fa3d2e60SJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 796fa3d2e60SJulian Wiedmann if (rc) 797fa3d2e60SJulian Wiedmann goto out_remove; 7984a71df50SFrank Blaschka } else { 7994a71df50SFrank Blaschka rtnl_lock(); 800fa3d2e60SJulian Wiedmann if (carrier_ok) 801fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 802fa3d2e60SJulian Wiedmann else 803fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 804fa3d2e60SJulian Wiedmann 805e6e771b3SJulian Wiedmann netif_device_attach(dev); 806fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 807fa3d2e60SJulian Wiedmann 808d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 809d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 810fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 811fa3d2e60SJulian Wiedmann } 812fa3d2e60SJulian Wiedmann rtnl_unlock(); 8134a71df50SFrank Blaschka } 8144a71df50SFrank Blaschka /* let user_space know that device is online */ 8154a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 816c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8179dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 8184a71df50SFrank Blaschka return 0; 819aa909224SUrsula Braun 8204a71df50SFrank Blaschka out_remove: 821d4560150SJulian Wiedmann qeth_l2_stop_card(card); 822f9e50b02SJulian Wiedmann qeth_stop_channel(&card->data); 823f9e50b02SJulian Wiedmann qeth_stop_channel(&card->write); 824f9e50b02SJulian Wiedmann qeth_stop_channel(&card->read); 82522ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 826d7d543f2SJulian Wiedmann 827c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8289dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 829aa909224SUrsula Braun return rc; 8304a71df50SFrank Blaschka } 8314a71df50SFrank Blaschka 8324a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 8334a71df50SFrank Blaschka int recovery_mode) 8344a71df50SFrank Blaschka { 8354a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8364a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 8374a71df50SFrank Blaschka 8389dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 839c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 84057a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 3, "setoffl"); 8414a71df50SFrank Blaschka 842d7ef489fSJulian Wiedmann if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 843d7ef489fSJulian Wiedmann qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 844d7ef489fSJulian Wiedmann card->info.hwtrap = 1; 845d7ef489fSJulian Wiedmann } 846d7ef489fSJulian Wiedmann 847e6e771b3SJulian Wiedmann rtnl_lock(); 848d7d543f2SJulian Wiedmann card->info.open_when_online = card->dev->flags & IFF_UP; 849d4560150SJulian Wiedmann dev_close(card->dev); 850e6e771b3SJulian Wiedmann netif_device_detach(card->dev); 8514a71df50SFrank Blaschka netif_carrier_off(card->dev); 852e6e771b3SJulian Wiedmann rtnl_unlock(); 853e6e771b3SJulian Wiedmann 854d4560150SJulian Wiedmann qeth_l2_stop_card(card); 855f9e50b02SJulian Wiedmann rc = qeth_stop_channel(&card->data); 856f9e50b02SJulian Wiedmann rc2 = qeth_stop_channel(&card->write); 857f9e50b02SJulian Wiedmann rc3 = qeth_stop_channel(&card->read); 8584a71df50SFrank Blaschka if (!rc) 8594a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 8604a71df50SFrank Blaschka if (rc) 86157a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%d", rc); 86222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 863d7d543f2SJulian Wiedmann 8644a71df50SFrank Blaschka /* let user_space know that device is offline */ 8654a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 866c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8679dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 8684a71df50SFrank Blaschka return 0; 8694a71df50SFrank Blaschka } 8704a71df50SFrank Blaschka 8714a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 8724a71df50SFrank Blaschka { 8734a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 8744a71df50SFrank Blaschka } 8754a71df50SFrank Blaschka 8764a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 8774a71df50SFrank Blaschka { 8784a71df50SFrank Blaschka struct qeth_card *card; 8794a71df50SFrank Blaschka int rc = 0; 8804a71df50SFrank Blaschka 8814a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 882847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 8834a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 8844a71df50SFrank Blaschka return 0; 885847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 88674eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 88774eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 8884a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 889d4560150SJulian Wiedmann rc = qeth_l2_set_online(card->gdev); 8904a71df50SFrank Blaschka if (!rc) 89174eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 89274eacdb9SFrank Blaschka "Device successfully recovered!\n"); 89328a7e4c9SUrsula Braun else { 894bf42d40bSJulian Wiedmann ccwgroup_set_offline(card->gdev); 89574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 89674eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 89728a7e4c9SUrsula Braun } 898a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 899a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 9004a71df50SFrank Blaschka return 0; 9014a71df50SFrank Blaschka } 9024a71df50SFrank Blaschka 9034a71df50SFrank Blaschka static int __init qeth_l2_init(void) 9044a71df50SFrank Blaschka { 90574eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 9064a71df50SFrank Blaschka return 0; 9074a71df50SFrank Blaschka } 9084a71df50SFrank Blaschka 9094a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 9104a71df50SFrank Blaschka { 91174eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 9124a71df50SFrank Blaschka } 9134a71df50SFrank Blaschka 914c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 915c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 916c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 917c044dc21SEugene Crosser { 918c044dc21SEugene Crosser switch (cmd->hdr.command) { 9199c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 9209c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 921c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 922c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 923c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 924c044dc21SEugene Crosser return 0; 925c044dc21SEugene Crosser } else 926c044dc21SEugene Crosser return 1; 927c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 928c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 929c044dc21SEugene Crosser return 0; 930c044dc21SEugene Crosser default: 931c044dc21SEugene Crosser return 1; 932c044dc21SEugene Crosser } 933c044dc21SEugene Crosser } 934c044dc21SEugene Crosser 935c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 9362d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 937c041f2d4SSebastian Ott .recover = qeth_l2_recover, 938c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 9394a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 9404a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 9414a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 942942d6984SJulian Wiedmann .do_ioctl = NULL, 943c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 9444a71df50SFrank Blaschka }; 945c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 9464a71df50SFrank Blaschka 9470ce37ec2SJulian Wiedmann static void qeth_osn_assist_cb(struct qeth_card *card, 94812fc286fSJulian Wiedmann struct qeth_cmd_buffer *iob, 94912fc286fSJulian Wiedmann unsigned int data_length) 9504a71df50SFrank Blaschka { 951308946b0SJulian Wiedmann qeth_notify_cmd(iob, 0); 952c3b2218dSJulian Wiedmann qeth_put_cmd(iob); 9534a71df50SFrank Blaschka } 9544a71df50SFrank Blaschka 9554a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 9564a71df50SFrank Blaschka { 9574a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 9584a71df50SFrank Blaschka struct qeth_card *card; 9594a71df50SFrank Blaschka 960a59d121dSJulian Wiedmann if (data_len < 0) 961a59d121dSJulian Wiedmann return -EINVAL; 9624a71df50SFrank Blaschka if (!dev) 9634a71df50SFrank Blaschka return -ENODEV; 964509e2562SHeiko Carstens card = dev->ml_priv; 9654a71df50SFrank Blaschka if (!card) 9664a71df50SFrank Blaschka return -ENODEV; 967847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 968c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 9694a71df50SFrank Blaschka return -ENODEV; 970a59d121dSJulian Wiedmann 971a59d121dSJulian Wiedmann iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1, 972a59d121dSJulian Wiedmann QETH_IPA_TIMEOUT); 9731273a800SJulian Wiedmann if (!iob) 9741273a800SJulian Wiedmann return -ENOMEM; 9751273a800SJulian Wiedmann 976c2153277SJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len); 977ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 9780ce37ec2SJulian Wiedmann iob->callback = qeth_osn_assist_cb; 9790ce37ec2SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, NULL, NULL); 9804a71df50SFrank Blaschka } 9814a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 9824a71df50SFrank Blaschka 9834a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 9844a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 9854a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 9864a71df50SFrank Blaschka { 9874a71df50SFrank Blaschka struct qeth_card *card; 988d7d18da1SJulian Wiedmann char bus_id[16]; 989d7d18da1SJulian Wiedmann u16 devno; 9904a71df50SFrank Blaschka 991d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 992d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 993d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 994d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 9954a71df50SFrank Blaschka return -ENODEV; 996d7d18da1SJulian Wiedmann *dev = card->dev; 997d7d18da1SJulian Wiedmann 998847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 9994a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 10004a71df50SFrank Blaschka return -EINVAL; 10014a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 10024a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 10034a71df50SFrank Blaschka return 0; 10044a71df50SFrank Blaschka } 10054a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 10064a71df50SFrank Blaschka 10074a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 10084a71df50SFrank Blaschka { 10094a71df50SFrank Blaschka struct qeth_card *card; 10104a71df50SFrank Blaschka 10114a71df50SFrank Blaschka if (!dev) 10124a71df50SFrank Blaschka return; 1013509e2562SHeiko Carstens card = dev->ml_priv; 10144a71df50SFrank Blaschka if (!card) 10154a71df50SFrank Blaschka return; 1016847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 10174a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 10184a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 10194a71df50SFrank Blaschka return; 10204a71df50SFrank Blaschka } 10214a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 10224a71df50SFrank Blaschka 1023b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1024b4d72c08SEugene Crosser 10259f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 10269f48b9dbSEugene Crosser 10279f48b9dbSEugene Crosser /** 10289f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 10299f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 10309f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 10319f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 10329f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 10339f48b9dbSEugene Crosser * object, 0 - addition of an object. 10349f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 10359f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 10369f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 10379f48b9dbSEugene Crosser * 10389f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 10399f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 10409f48b9dbSEugene Crosser * for all currently registered addresses. 10419f48b9dbSEugene Crosser */ 10429f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 10439f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 10449f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 10459f48b9dbSEugene Crosser { 10469f48b9dbSEugene Crosser char str[7][32]; 10479f48b9dbSEugene Crosser char *env[8]; 10489f48b9dbSEugene Crosser int i = 0; 10499f48b9dbSEugene Crosser 10509f48b9dbSEugene Crosser switch (evtype) { 10519f48b9dbSEugene Crosser case anev_reg_unreg: 10529f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 10539f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 10549f48b9dbSEugene Crosser ? "deregister" : "register"); 10559f48b9dbSEugene Crosser env[i] = str[i]; i++; 10569f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 10579f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 10589f48b9dbSEugene Crosser addr_lnid->lnid); 10599f48b9dbSEugene Crosser env[i] = str[i]; i++; 10609f48b9dbSEugene Crosser } 10619f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 10629846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 10639846e70bSEugene Crosser addr_lnid->mac); 10649f48b9dbSEugene Crosser env[i] = str[i]; i++; 10659f48b9dbSEugene Crosser } 10669f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 10679f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 10689f48b9dbSEugene Crosser env[i] = str[i]; i++; 10699f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 10709f48b9dbSEugene Crosser env[i] = str[i]; i++; 10719f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 10729f48b9dbSEugene Crosser token->chpid); 10739f48b9dbSEugene Crosser env[i] = str[i]; i++; 10749f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 10759f48b9dbSEugene Crosser env[i] = str[i]; i++; 10769f48b9dbSEugene Crosser break; 10779f48b9dbSEugene Crosser case anev_abort: 10789f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 10799f48b9dbSEugene Crosser env[i] = str[i]; i++; 10809f48b9dbSEugene Crosser break; 10819f48b9dbSEugene Crosser case anev_reset: 10829f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 10839f48b9dbSEugene Crosser env[i] = str[i]; i++; 10849f48b9dbSEugene Crosser break; 10859f48b9dbSEugene Crosser } 10869f48b9dbSEugene Crosser env[i] = NULL; 10879f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 10889f48b9dbSEugene Crosser } 10899f48b9dbSEugene Crosser 1090b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1091b4d72c08SEugene Crosser struct work_struct worker; 1092b4d72c08SEugene Crosser struct qeth_card *card; 1093b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1094b4d72c08SEugene Crosser }; 1095b4d72c08SEugene Crosser 1096b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1097b4d72c08SEugene Crosser { 1098b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1099b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1100b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1101b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1102b4d72c08SEugene Crosser char env_locrem[32]; 1103b4d72c08SEugene Crosser char env_role[32]; 1104b4d72c08SEugene Crosser char env_state[32]; 1105b4d72c08SEugene Crosser char *env[] = { 1106b4d72c08SEugene Crosser env_locrem, 1107b4d72c08SEugene Crosser env_role, 1108b4d72c08SEugene Crosser env_state, 1109b4d72c08SEugene Crosser NULL 1110b4d72c08SEugene Crosser }; 1111b4d72c08SEugene Crosser 1112b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1113b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1114c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 1115b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1116c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 1117b4d72c08SEugene Crosser 1118b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1119b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1120b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1121b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1122b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1123b4d72c08SEugene Crosser "<INVALID>"); 1124b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1125b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1126b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1127b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1128b4d72c08SEugene Crosser "<INVALID>"); 1129b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1130b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1131b4d72c08SEugene Crosser kfree(data); 1132b4d72c08SEugene Crosser } 1133b4d72c08SEugene Crosser 1134c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1135c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1136b4d72c08SEugene Crosser { 1137b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1138b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1139b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1140b4d72c08SEugene Crosser int extrasize; 1141b4d72c08SEugene Crosser 1142b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1143b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 11448a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1145b4d72c08SEugene Crosser return; 1146b4d72c08SEugene Crosser } 1147b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1148b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1149b4d72c08SEugene Crosser GFP_ATOMIC); 1150b4d72c08SEugene Crosser if (!data) { 1151b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1152b4d72c08SEugene Crosser return; 1153b4d72c08SEugene Crosser } 1154b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1155b4d72c08SEugene Crosser data->card = card; 1156b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1157b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1158c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1159b4d72c08SEugene Crosser } 1160b4d72c08SEugene Crosser 11619f48b9dbSEugene Crosser struct qeth_bridge_host_data { 11629f48b9dbSEugene Crosser struct work_struct worker; 11639f48b9dbSEugene Crosser struct qeth_card *card; 11649f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 11659f48b9dbSEugene Crosser }; 11669f48b9dbSEugene Crosser 11679f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 11689f48b9dbSEugene Crosser { 11699f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 11709f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 11719f48b9dbSEugene Crosser int i; 11729f48b9dbSEugene Crosser 11739f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 11749f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 11759c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 11769f48b9dbSEugene Crosser data->card->dev->name, 11779f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 11789f48b9dbSEugene Crosser ? "Overflow" 11799f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 11809f48b9dbSEugene Crosser ? "Bridge port state change" 11819f48b9dbSEugene Crosser : "Unknown reason"); 1182c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 11839f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 1184c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 11859f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 11869f48b9dbSEugene Crosser 0, NULL, NULL); 11879f48b9dbSEugene Crosser } else 11889f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 11899f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 11909f48b9dbSEugene Crosser &data->hostevs.entry[i]; 11919f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 11929f48b9dbSEugene Crosser anev_reg_unreg, 11939f48b9dbSEugene Crosser entry->change_code, 11949f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 11959f48b9dbSEugene Crosser } 11969f48b9dbSEugene Crosser kfree(data); 11979f48b9dbSEugene Crosser } 11989f48b9dbSEugene Crosser 1199c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1200c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 12019f48b9dbSEugene Crosser { 12029f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 12039f48b9dbSEugene Crosser &cmd->data.addrchange; 12049f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 12059f48b9dbSEugene Crosser int extrasize; 12069f48b9dbSEugene Crosser 12079f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 12089f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 12099f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 12109f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 12119f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 12129f48b9dbSEugene Crosser } else { 12139f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 12149f48b9dbSEugene Crosser cmd->hdr.return_code); 12159f48b9dbSEugene Crosser return; 12169f48b9dbSEugene Crosser } 12179f48b9dbSEugene Crosser } 12189f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 12199f48b9dbSEugene Crosser hostevs->num_entries; 12209f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 12219f48b9dbSEugene Crosser GFP_ATOMIC); 12229f48b9dbSEugene Crosser if (!data) { 12239f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 12249f48b9dbSEugene Crosser return; 12259f48b9dbSEugene Crosser } 12269f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 12279f48b9dbSEugene Crosser data->card = card; 12289f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 12299f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1230c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 12319f48b9dbSEugene Crosser } 12329f48b9dbSEugene Crosser 1233b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1234b4d72c08SEugene Crosser 1235b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1236b4d72c08SEugene Crosser union { 1237b4d72c08SEugene Crosser u32 supported; 1238b4d72c08SEugene Crosser struct { 1239b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1240b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1241b4d72c08SEugene Crosser } qports; 1242b4d72c08SEugene Crosser } data; 1243b4d72c08SEugene Crosser }; 1244b4d72c08SEugene Crosser 1245b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 12461709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1247b4d72c08SEugene Crosser { 12481709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 12491709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 12501709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 12511709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1252b4d72c08SEugene Crosser int rc; 1253b4d72c08SEugene Crosser 12541709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 12551709ff8dSJulian Wiedmann return 0; 12561709ff8dSJulian Wiedmann 12571709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 12581709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 12591709ff8dSJulian Wiedmann switch (sbp_rc) { 12602063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1261b4d72c08SEugene Crosser rc = 0; 1262b4d72c08SEugene Crosser break; 12632063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 12642063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1265ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1266b4d72c08SEugene Crosser break; 12672063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 12682063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1269b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1270b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12719c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1272b4d72c08SEugene Crosser break; 12732063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 12742063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 12751b05cf62SEugene Crosser rc = -EPERM; 12761b05cf62SEugene Crosser dev_err(&card->gdev->dev, 12771b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 12781b05cf62SEugene Crosser break; 12792063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 12802063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1281b4d72c08SEugene Crosser switch (setcmd) { 1282b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1283b4d72c08SEugene Crosser rc = -EEXIST; 1284b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12859c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1286b4d72c08SEugene Crosser break; 1287b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1288b4d72c08SEugene Crosser rc = -EBUSY; 1289b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12909c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1291b4d72c08SEugene Crosser break; 1292b4d72c08SEugene Crosser default: 1293b4d72c08SEugene Crosser rc = -EIO; 1294b4d72c08SEugene Crosser } 1295b4d72c08SEugene Crosser break; 12962063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 12972063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1298b4d72c08SEugene Crosser rc = -EBUSY; 1299b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13009c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1301b4d72c08SEugene Crosser break; 13022063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 13032063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1304b4d72c08SEugene Crosser rc = -EEXIST; 1305b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13069c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1307b4d72c08SEugene Crosser break; 13082063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 13092063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1310b4d72c08SEugene Crosser rc = -EBUSY; 1311b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13129c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1313b4d72c08SEugene Crosser break; 13142063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 13152063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1316b4d72c08SEugene Crosser rc = -EACCES; 1317b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13189c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1319b4d72c08SEugene Crosser break; 1320b4d72c08SEugene Crosser default: 1321b4d72c08SEugene Crosser rc = -EIO; 1322b4d72c08SEugene Crosser } 13231709ff8dSJulian Wiedmann } else { 13241709ff8dSJulian Wiedmann switch (ipa_rc) { 1325b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1326ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1327b4d72c08SEugene Crosser break; 1328b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1329ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1330b4d72c08SEugene Crosser break; 1331b4d72c08SEugene Crosser default: 1332b4d72c08SEugene Crosser rc = -EIO; 1333b4d72c08SEugene Crosser } 13341709ff8dSJulian Wiedmann } 13359c23f4daSEugene Crosser 1336b4d72c08SEugene Crosser if (rc) { 13371709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 13381709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1339b4d72c08SEugene Crosser } 1340b4d72c08SEugene Crosser return rc; 1341b4d72c08SEugene Crosser } 1342b4d72c08SEugene Crosser 1343d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1344d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1345b9150461SJulian Wiedmann unsigned int data_length) 13469c23f4daSEugene Crosser { 1347379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 13489c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1349b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr; 1350d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1351d65626adSJulian Wiedmann 1352b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE, 1353b9150461SJulian Wiedmann data_length + 1354b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport, 1355b9150461SJulian Wiedmann data)); 1356d65626adSJulian Wiedmann if (!iob) 1357d65626adSJulian Wiedmann return iob; 1358b9150461SJulian Wiedmann 1359b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr; 1360b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length; 1361b9150461SJulian Wiedmann hdr->command_code = sbp_cmd; 1362b9150461SJulian Wiedmann hdr->used_total = 1; 1363b9150461SJulian Wiedmann hdr->seq_no = 1; 1364d65626adSJulian Wiedmann return iob; 13659c23f4daSEugene Crosser } 13669c23f4daSEugene Crosser 1367b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1368b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1369b4d72c08SEugene Crosser { 1370b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1371b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 13721709ff8dSJulian Wiedmann int rc; 13731709ff8dSJulian Wiedmann 1374b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 13751709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 13761709ff8dSJulian Wiedmann if (rc) 13771709ff8dSJulian Wiedmann return rc; 13781709ff8dSJulian Wiedmann 1379b4d72c08SEugene Crosser cbctl->data.supported = 1380b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1381b4d72c08SEugene Crosser return 0; 1382b4d72c08SEugene Crosser } 1383b4d72c08SEugene Crosser 1384b4d72c08SEugene Crosser /** 1385b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1386b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1387b4d72c08SEugene Crosser * 1388b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1389b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1390b4d72c08SEugene Crosser */ 1391c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1392b4d72c08SEugene Crosser { 1393b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1394b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1395b4d72c08SEugene Crosser 1396b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1397d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1398b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp)); 13991aec42bcSThomas Richter if (!iob) 14001aec42bcSThomas Richter return; 14011709ff8dSJulian Wiedmann 1402b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 14031709ff8dSJulian Wiedmann &cbctl)) { 1404b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 14051709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1406b4d72c08SEugene Crosser return; 1407b4d72c08SEugene Crosser } 1408b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1409b4d72c08SEugene Crosser } 1410b4d72c08SEugene Crosser 1411b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1412b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1413b4d72c08SEugene Crosser { 1414b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1415b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1416b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 14171709ff8dSJulian Wiedmann int rc; 1418b4d72c08SEugene Crosser 1419b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 14201709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 14211709ff8dSJulian Wiedmann if (rc) 14221709ff8dSJulian Wiedmann return rc; 14231709ff8dSJulian Wiedmann 1424b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1425b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 14261709ff8dSJulian Wiedmann return -EINVAL; 1427b4d72c08SEugene Crosser } 1428b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1429b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1430b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1431b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1432b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1433b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1434b4d72c08SEugene Crosser } 1435b4d72c08SEugene Crosser return 0; 1436b4d72c08SEugene Crosser } 1437b4d72c08SEugene Crosser 1438b4d72c08SEugene Crosser /** 1439b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1440b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1441b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1442b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1443b4d72c08SEugene Crosser * 1444b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1445b4d72c08SEugene Crosser * 1446b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1447b4d72c08SEugene Crosser */ 1448b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1449b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1450b4d72c08SEugene Crosser { 1451b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1452b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1453b4d72c08SEugene Crosser .data = { 1454b4d72c08SEugene Crosser .qports = { 1455b4d72c08SEugene Crosser .role = role, 1456b4d72c08SEugene Crosser .state = state, 1457b4d72c08SEugene Crosser }, 1458b4d72c08SEugene Crosser }, 1459b4d72c08SEugene Crosser }; 1460b4d72c08SEugene Crosser 1461b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1462b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1463b4d72c08SEugene Crosser return -EOPNOTSUPP; 1464d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 14651aec42bcSThomas Richter if (!iob) 14661aec42bcSThomas Richter return -ENOMEM; 14671709ff8dSJulian Wiedmann 14681709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 14691709ff8dSJulian Wiedmann &cbctl); 1470b4d72c08SEugene Crosser } 1471b4d72c08SEugene Crosser 1472b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1473b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1474b4d72c08SEugene Crosser { 1475b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 14761709ff8dSJulian Wiedmann 1477b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 14781709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1479b4d72c08SEugene Crosser } 1480b4d72c08SEugene Crosser 1481b4d72c08SEugene Crosser /** 1482b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1483b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1484b4d72c08SEugene Crosser * @role: Role to assign. 1485b4d72c08SEugene Crosser * 1486b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1487b4d72c08SEugene Crosser */ 1488b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1489b4d72c08SEugene Crosser { 1490b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1491b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1492b9150461SJulian Wiedmann unsigned int cmdlength = 0; 1493b4d72c08SEugene Crosser 1494b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1495b4d72c08SEugene Crosser switch (role) { 1496b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1497b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1498b4d72c08SEugene Crosser break; 1499b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1500b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1501b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary); 1502b4d72c08SEugene Crosser break; 1503b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1504b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1505b4d72c08SEugene Crosser break; 1506b4d72c08SEugene Crosser default: 1507b4d72c08SEugene Crosser return -EINVAL; 1508b4d72c08SEugene Crosser } 1509b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1510b4d72c08SEugene Crosser return -EOPNOTSUPP; 1511d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 15121aec42bcSThomas Richter if (!iob) 15131aec42bcSThomas Richter return -ENOMEM; 15141709ff8dSJulian Wiedmann 15151709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1516b4d72c08SEugene Crosser } 1517b4d72c08SEugene Crosser 15189f48b9dbSEugene Crosser /** 15199f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 15209f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 15219f48b9dbSEugene Crosser * 15229f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 15239f48b9dbSEugene Crosser */ 15249f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 15259f48b9dbSEugene Crosser { 15269f48b9dbSEugene Crosser int rc; 15279f48b9dbSEugene Crosser 15289f48b9dbSEugene Crosser if (pnso_rc == 0) 15299f48b9dbSEugene Crosser switch (response) { 15309f48b9dbSEugene Crosser case 0x0001: 15319f48b9dbSEugene Crosser rc = 0; 15329f48b9dbSEugene Crosser break; 15339f48b9dbSEugene Crosser case 0x0004: 15349f48b9dbSEugene Crosser case 0x0100: 15359f48b9dbSEugene Crosser case 0x0106: 1536ffb95251SEugene Crosser rc = -EOPNOTSUPP; 15379f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 15389f48b9dbSEugene Crosser "Setting address notification failed\n"); 15399f48b9dbSEugene Crosser break; 15409f48b9dbSEugene Crosser case 0x0107: 15419f48b9dbSEugene Crosser rc = -EAGAIN; 15429f48b9dbSEugene Crosser break; 15439f48b9dbSEugene Crosser default: 15449f48b9dbSEugene Crosser rc = -EIO; 15459f48b9dbSEugene Crosser } 15469f48b9dbSEugene Crosser else 15479f48b9dbSEugene Crosser rc = -EIO; 15489f48b9dbSEugene Crosser 15499f48b9dbSEugene Crosser if (rc) { 15509f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 15519f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 15529f48b9dbSEugene Crosser } 15539f48b9dbSEugene Crosser return rc; 15549f48b9dbSEugene Crosser } 15559f48b9dbSEugene Crosser 15569f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 15579f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 15589f48b9dbSEugene Crosser { 15599f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 15609f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 15619f48b9dbSEugene Crosser u8 code; 15629f48b9dbSEugene Crosser 15639f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 15649f48b9dbSEugene Crosser WARN_ON_ONCE(1); 15659f48b9dbSEugene Crosser return; 15669f48b9dbSEugene Crosser } 15679f48b9dbSEugene Crosser 15689f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 15699f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 157033572619SAlexandra Winter if (l2entry->addr_lnid.lnid < VLAN_N_VID) 15719f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 15729f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 15739f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 15749f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 15759f48b9dbSEugene Crosser } 15769f48b9dbSEugene Crosser 15779f48b9dbSEugene Crosser /** 15789f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 15799f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 15809f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 15819f48b9dbSEugene Crosser * 15829f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 15839f48b9dbSEugene Crosser * 15849f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 15859f48b9dbSEugene Crosser * currently registered hosts. 15869f48b9dbSEugene Crosser */ 15879f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 15889f48b9dbSEugene Crosser { 15899f48b9dbSEugene Crosser int rc; 15909f48b9dbSEugene Crosser u16 response; 15919f48b9dbSEugene Crosser struct ccw_device *ddev; 15929f48b9dbSEugene Crosser struct subchannel_id schid; 15939f48b9dbSEugene Crosser 15949f48b9dbSEugene Crosser if (!card) 15959f48b9dbSEugene Crosser return -EINVAL; 15969f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 15979f48b9dbSEugene Crosser return -EOPNOTSUPP; 15989f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 15999f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 16009f48b9dbSEugene Crosser 16019f48b9dbSEugene Crosser if (enable) { 16029f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 16039f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 16049f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 16059f48b9dbSEugene Crosser } else 16069f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 16079f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 16089f48b9dbSEugene Crosser } 16099f48b9dbSEugene Crosser 1610caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1611caa1f0b1SHans Wippel { 1612caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1613caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1614caa1f0b1SHans Wippel } 1615caa1f0b1SHans Wippel 1616a45b3fafSHans Wippel /* VNIC Characteristics support */ 1617a45b3fafSHans Wippel 1618a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1619742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1620a45b3fafSHans Wippel { 1621a45b3fafSHans Wippel int rc; 1622a45b3fafSHans Wippel 1623a45b3fafSHans Wippel switch (ipa_rc) { 1624a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1625a45b3fafSHans Wippel return ipa_rc; 1626a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1627a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1628a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1629a45b3fafSHans Wippel break; 1630a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1631a45b3fafSHans Wippel rc = -EALREADY; 1632a45b3fafSHans Wippel break; 1633a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1634a45b3fafSHans Wippel rc = -EBUSY; 1635a45b3fafSHans Wippel break; 1636a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1637a45b3fafSHans Wippel rc = -ENOSPC; 1638a45b3fafSHans Wippel break; 1639a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1640a45b3fafSHans Wippel rc = -EACCES; 1641a45b3fafSHans Wippel break; 1642a45b3fafSHans Wippel default: 1643a45b3fafSHans Wippel rc = -EIO; 1644a45b3fafSHans Wippel } 1645a45b3fafSHans Wippel 1646a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1647a45b3fafSHans Wippel return rc; 1648a45b3fafSHans Wippel } 1649a45b3fafSHans Wippel 1650a45b3fafSHans Wippel /* generic VNICC request call back control */ 1651a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1652caa1f0b1SHans Wippel struct { 1653349d13d5SHans Wippel union{ 1654caa1f0b1SHans Wippel u32 *sup_cmds; 1655349d13d5SHans Wippel u32 *timeout; 1656349d13d5SHans Wippel }; 1657caa1f0b1SHans Wippel } result; 1658a45b3fafSHans Wippel }; 1659a45b3fafSHans Wippel 1660a45b3fafSHans Wippel /* generic VNICC request call back */ 1661a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1662a45b3fafSHans Wippel struct qeth_reply *reply, 1663a45b3fafSHans Wippel unsigned long data) 1664a45b3fafSHans Wippel { 1665caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1666caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1667a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1668a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 16692744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command; 1670a45b3fafSHans Wippel 1671a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1672a45b3fafSHans Wippel if (cmd->hdr.return_code) 1673742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1674a45b3fafSHans Wippel /* return results to caller */ 16752cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported; 16762cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled; 1677a45b3fafSHans Wippel 16782744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS) 16792cfb4810SJulian Wiedmann *cbctl->result.sup_cmds = rep->data.query_cmds.sup_cmds; 16802744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT) 16812cfb4810SJulian Wiedmann *cbctl->result.timeout = rep->data.getset_timeout.timeout; 1682349d13d5SHans Wippel 1683a45b3fafSHans Wippel return 0; 1684a45b3fafSHans Wippel } 1685a45b3fafSHans Wippel 16862cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card, 16872cfb4810SJulian Wiedmann u32 vnicc_cmd, 16882cfb4810SJulian Wiedmann unsigned int data_length) 1689a45b3fafSHans Wippel { 16902cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr; 1691a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1692a45b3fafSHans Wippel 16932cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE, 16942cfb4810SJulian Wiedmann data_length + 16952cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data)); 1696a45b3fafSHans Wippel if (!iob) 16972cfb4810SJulian Wiedmann return NULL; 1698a45b3fafSHans Wippel 16992cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr; 17002cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length; 17012cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd; 17022cfb4810SJulian Wiedmann return iob; 1703a45b3fafSHans Wippel } 1704a45b3fafSHans Wippel 1705a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1706a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1707a45b3fafSHans Wippel { 17082cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17092cfb4810SJulian Wiedmann 17102cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch"); 17112cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0); 17122cfb4810SJulian Wiedmann if (!iob) 17132cfb4810SJulian Wiedmann return -ENOMEM; 1714a45b3fafSHans Wippel 17152744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1716a45b3fafSHans Wippel } 1717a45b3fafSHans Wippel 1718caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1719caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1720caa1f0b1SHans Wippel u32 *sup_cmds) 1721caa1f0b1SHans Wippel { 1722caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 17232cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17242cfb4810SJulian Wiedmann 17252cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm"); 17262cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS, 17272cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds)); 17282cfb4810SJulian Wiedmann if (!iob) 17292cfb4810SJulian Wiedmann return -ENOMEM; 17302cfb4810SJulian Wiedmann 17312cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char; 1732caa1f0b1SHans Wippel 1733caa1f0b1SHans Wippel /* prepare callback control */ 1734caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 1735caa1f0b1SHans Wippel 17362cfb4810SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl); 1737caa1f0b1SHans Wippel } 1738caa1f0b1SHans Wippel 1739caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1740caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1741caa1f0b1SHans Wippel u32 cmd) 1742caa1f0b1SHans Wippel { 17432cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17442cfb4810SJulian Wiedmann 17452cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc"); 17462cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char)); 17472cfb4810SJulian Wiedmann if (!iob) 17482cfb4810SJulian Wiedmann return -ENOMEM; 17492cfb4810SJulian Wiedmann 17502cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char; 1751caa1f0b1SHans Wippel 17522744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1753caa1f0b1SHans Wippel } 1754caa1f0b1SHans Wippel 1755349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1756349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1757349d13d5SHans Wippel u32 cmd, u32 *timeout) 1758349d13d5SHans Wippel { 17592cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout; 1760349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 17612cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17622cfb4810SJulian Wiedmann 17632cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst"); 17642cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, 17652cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout)); 17662cfb4810SJulian Wiedmann if (!iob) 17672cfb4810SJulian Wiedmann return -ENOMEM; 17682cfb4810SJulian Wiedmann 17692cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout; 17702cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc; 17712cfb4810SJulian Wiedmann 17722cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT) 17732cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout; 1774349d13d5SHans Wippel 1775349d13d5SHans Wippel /* prepare callback control */ 1776349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 1777349d13d5SHans Wippel cbctl.result.timeout = timeout; 1778349d13d5SHans Wippel 17792cfb4810SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl); 1780349d13d5SHans Wippel } 1781349d13d5SHans Wippel 1782caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1783caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1784caa1f0b1SHans Wippel { 1785caa1f0b1SHans Wippel int rc = 0; 1786caa1f0b1SHans Wippel u32 cmd; 1787caa1f0b1SHans Wippel 1788caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1789caa1f0b1SHans Wippel 1790caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 1791caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1792caa1f0b1SHans Wippel return -EBUSY; 1793caa1f0b1SHans Wippel 1794caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1795caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1796caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1797caa1f0b1SHans Wippel return -EOPNOTSUPP; 1798caa1f0b1SHans Wippel 1799caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1800caa1f0b1SHans Wippel if (state) { 1801caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1802caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1803caa1f0b1SHans Wippel } else { 1804caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1805caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1806caa1f0b1SHans Wippel } 1807caa1f0b1SHans Wippel 1808caa1f0b1SHans Wippel /* do we need to do anything? */ 1809caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1810caa1f0b1SHans Wippel return rc; 1811caa1f0b1SHans Wippel 1812caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1813caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1814caa1f0b1SHans Wippel if (state) 1815caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1816caa1f0b1SHans Wippel else 1817caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1818caa1f0b1SHans Wippel return rc; 1819caa1f0b1SHans Wippel } 1820caa1f0b1SHans Wippel 1821caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1822caa1f0b1SHans Wippel if (rc) 1823caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1824caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1825349d13d5SHans Wippel else { 1826349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1827349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1828caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1829349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1830349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1831349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1832349d13d5SHans Wippel } 1833caa1f0b1SHans Wippel 1834caa1f0b1SHans Wippel return rc; 1835caa1f0b1SHans Wippel } 1836caa1f0b1SHans Wippel 1837caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1838caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1839caa1f0b1SHans Wippel { 1840caa1f0b1SHans Wippel int rc = 0; 1841caa1f0b1SHans Wippel 1842caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1843caa1f0b1SHans Wippel 1844caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 1845caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1846caa1f0b1SHans Wippel return -EBUSY; 1847caa1f0b1SHans Wippel 1848caa1f0b1SHans Wippel /* check if characteristic is supported */ 1849caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1850caa1f0b1SHans Wippel return -EOPNOTSUPP; 1851caa1f0b1SHans Wippel 1852caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1853caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1854caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1855caa1f0b1SHans Wippel 1856caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1857caa1f0b1SHans Wippel return rc; 1858caa1f0b1SHans Wippel } 1859caa1f0b1SHans Wippel 1860349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1861349d13d5SHans Wippel * supports timeout 1862349d13d5SHans Wippel */ 1863349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1864349d13d5SHans Wippel { 1865349d13d5SHans Wippel int rc = 0; 1866349d13d5SHans Wippel 1867349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 1868349d13d5SHans Wippel 1869349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 1870349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1871349d13d5SHans Wippel return -EBUSY; 1872349d13d5SHans Wippel 1873349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 1874349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1875349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1876349d13d5SHans Wippel return -EOPNOTSUPP; 1877349d13d5SHans Wippel 1878349d13d5SHans Wippel /* do we need to do anything? */ 1879349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 1880349d13d5SHans Wippel return rc; 1881349d13d5SHans Wippel 1882349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 1883349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1884349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1885349d13d5SHans Wippel return rc; 1886349d13d5SHans Wippel } 1887349d13d5SHans Wippel 1888349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 1889349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1890349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 1891349d13d5SHans Wippel if (!rc) 1892349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1893349d13d5SHans Wippel 1894349d13d5SHans Wippel return rc; 1895349d13d5SHans Wippel } 1896349d13d5SHans Wippel 1897349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 1898349d13d5SHans Wippel * learning supports timeout 1899349d13d5SHans Wippel */ 1900349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 1901349d13d5SHans Wippel { 1902349d13d5SHans Wippel int rc = 0; 1903349d13d5SHans Wippel 1904349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 1905349d13d5SHans Wippel 1906349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 1907349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1908349d13d5SHans Wippel return -EBUSY; 1909349d13d5SHans Wippel 1910349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 1911349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1912349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1913349d13d5SHans Wippel return -EOPNOTSUPP; 1914349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 1915349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 1916349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 1917349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1918349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 1919349d13d5SHans Wippel timeout); 1920349d13d5SHans Wippel 1921349d13d5SHans Wippel return rc; 1922349d13d5SHans Wippel } 1923349d13d5SHans Wippel 1924caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 1925caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 1926caa1f0b1SHans Wippel { 1927e8a66d80SAlexandra Winter if (!card->options.vnicc.sup_chars) 1928caa1f0b1SHans Wippel return false; 1929caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 1930caa1f0b1SHans Wippel * or the card is offline. 1931caa1f0b1SHans Wippel */ 1932caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 1933caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 1934caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 1935caa1f0b1SHans Wippel return false; 1936caa1f0b1SHans Wippel } 1937caa1f0b1SHans Wippel return true; 1938caa1f0b1SHans Wippel } 1939caa1f0b1SHans Wippel 1940349d13d5SHans Wippel /* recover user timeout setting */ 1941349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 1942349d13d5SHans Wippel u32 *timeout) 1943349d13d5SHans Wippel { 1944349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1945349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 1946349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 1947349d13d5SHans Wippel timeout)) 1948349d13d5SHans Wippel return false; 1949349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 1950349d13d5SHans Wippel return true; 1951349d13d5SHans Wippel } 1952349d13d5SHans Wippel 1953caa1f0b1SHans Wippel /* recover user characteristic setting */ 1954caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 1955caa1f0b1SHans Wippel bool enable) 1956caa1f0b1SHans Wippel { 1957caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 1958caa1f0b1SHans Wippel 1959caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1960caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 1961caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 1962caa1f0b1SHans Wippel return false; 1963caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1964caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 1965caa1f0b1SHans Wippel return true; 1966caa1f0b1SHans Wippel } 1967caa1f0b1SHans Wippel 1968a45b3fafSHans Wippel /* (re-)initialize VNICC */ 1969a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 1970a45b3fafSHans Wippel { 1971349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 1972b528965bSAlexandra Winter bool enable, error = false; 1973caa1f0b1SHans Wippel unsigned int chars_len, i; 1974caa1f0b1SHans Wippel unsigned long chars_tmp; 1975caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 1976caa1f0b1SHans Wippel 1977a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 1978caa1f0b1SHans Wippel /* reset rx_bcast */ 1979caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 1980a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 1981a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 1982349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 1983349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 1984caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 1985caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 1986a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 1987a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 1988caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 1989caa1f0b1SHans Wippel return; 1990a45b3fafSHans Wippel } 1991caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 1992caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 1993caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 1994caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 1995caa1f0b1SHans Wippel vnicc = BIT(i); 1996b528965bSAlexandra Winter if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) { 1997b528965bSAlexandra Winter sup_cmds = 0; 1998b528965bSAlexandra Winter error = true; 1999b528965bSAlexandra Winter } 2000be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) && 2001be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2002be40a86cSAlexandra Winter card->options.vnicc.getset_timeout_sup |= vnicc; 2003be40a86cSAlexandra Winter else 2004349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2005be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_ENABLE) && 2006be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_DISABLE)) 2007be40a86cSAlexandra Winter card->options.vnicc.set_char_sup |= vnicc; 2008be40a86cSAlexandra Winter else 2009caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2010caa1f0b1SHans Wippel } 2011caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2012b528965bSAlexandra Winter error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2013349d13d5SHans Wippel timeout); 2014d1b9ae18SAlexandra Winter /* Change chars, if necessary */ 2015d1b9ae18SAlexandra Winter chars_tmp = card->options.vnicc.wanted_chars ^ 2016d1b9ae18SAlexandra Winter card->options.vnicc.cur_chars; 2017caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2018caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2019caa1f0b1SHans Wippel vnicc = BIT(i); 2020caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2021caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2022caa1f0b1SHans Wippel } 2023caa1f0b1SHans Wippel if (error) 2024caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2025caa1f0b1SHans Wippel } 2026caa1f0b1SHans Wippel 2027caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2028caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2029caa1f0b1SHans Wippel { 2030caa1f0b1SHans Wippel /* characteristics values */ 2031caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2032caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2033349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2034caa1f0b1SHans Wippel /* supported commands */ 2035caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2036349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2037caa1f0b1SHans Wippel /* settings wanted by users */ 2038caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2039a45b3fafSHans Wippel } 2040a45b3fafSHans Wippel 20414a71df50SFrank Blaschka module_init(qeth_l2_init); 20424a71df50SFrank Blaschka module_exit(qeth_l2_exit); 20434a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 20444a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 20454a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2046