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 27c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 28c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 29c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 30c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 31c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 32caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 33a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 34349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 35349d13d5SHans Wippel u32 *timeout); 364a71df50SFrank Blaschka 37742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 384a71df50SFrank Blaschka { 39efbbc1d5SEugene Crosser int rc; 404a71df50SFrank Blaschka 41efbbc1d5SEugene Crosser if (retcode) 421aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 43efbbc1d5SEugene Crosser switch (retcode) { 44efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 45efbbc1d5SEugene Crosser rc = 0; 46efbbc1d5SEugene Crosser break; 47efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 48ffb95251SEugene Crosser rc = -EOPNOTSUPP; 49efbbc1d5SEugene Crosser break; 50efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 51efbbc1d5SEugene Crosser rc = -ENOSPC; 52efbbc1d5SEugene Crosser break; 53efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 55bdb0cc12SJulian Wiedmann rc = -EADDRINUSE; 56efbbc1d5SEugene Crosser break; 57efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 59bdb0cc12SJulian Wiedmann rc = -EADDRNOTAVAIL; 60efbbc1d5SEugene Crosser break; 61efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 62efbbc1d5SEugene Crosser rc = -ENOENT; 63efbbc1d5SEugene Crosser break; 64efbbc1d5SEugene Crosser default: 65efbbc1d5SEugene Crosser rc = -EIO; 66efbbc1d5SEugene Crosser break; 674a71df50SFrank Blaschka } 68efbbc1d5SEugene Crosser return rc; 694a71df50SFrank Blaschka } 704a71df50SFrank Blaschka 71742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 72742d4d40SJulian Wiedmann struct qeth_reply *reply, 73742d4d40SJulian Wiedmann unsigned long data) 74742d4d40SJulian Wiedmann { 75742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 76742d4d40SJulian Wiedmann 77742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 78742d4d40SJulian Wiedmann } 79742d4d40SJulian Wiedmann 80ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 81ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 82ac988d78SJulian Wiedmann { 83ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 84ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 85ac988d78SJulian Wiedmann 86ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 87a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 88a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac)); 89ac988d78SJulian Wiedmann if (!iob) 90ac988d78SJulian Wiedmann return -ENOMEM; 91ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 9299f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 9399f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 94742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL); 95ac988d78SJulian Wiedmann } 96ac988d78SJulian Wiedmann 97ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 98ac988d78SJulian Wiedmann { 99ac988d78SJulian Wiedmann int rc; 100ac988d78SJulian Wiedmann 101ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 102ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 103ac988d78SJulian Wiedmann if (rc == 0) { 104ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 105654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac); 106ac988d78SJulian Wiedmann } else { 107ac988d78SJulian Wiedmann switch (rc) { 108bdb0cc12SJulian Wiedmann case -EADDRINUSE: 109ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 110ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 111ac988d78SJulian Wiedmann break; 112bdb0cc12SJulian Wiedmann case -EADDRNOTAVAIL: 113ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 114ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 115ac988d78SJulian Wiedmann break; 116ac988d78SJulian Wiedmann } 117ac988d78SJulian Wiedmann } 118ac988d78SJulian Wiedmann return rc; 119ac988d78SJulian Wiedmann } 120ac988d78SJulian Wiedmann 1218174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1224a71df50SFrank Blaschka { 1239d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1248174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 125efbbc1d5SEugene Crosser int rc; 126efbbc1d5SEugene Crosser 1278174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1288174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 129bdb0cc12SJulian Wiedmann if (rc == -EADDRINUSE) 130e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 131e19e5be8SJulian Wiedmann CARD_DEVID(card)); 132efbbc1d5SEugene Crosser else if (rc) 133e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 134e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 135efbbc1d5SEugene Crosser return rc; 1364a71df50SFrank Blaschka } 1374a71df50SFrank Blaschka 1388174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1394a71df50SFrank Blaschka { 1409d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1418174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 142efbbc1d5SEugene Crosser int rc; 143efbbc1d5SEugene Crosser 1448174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1458174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 146efbbc1d5SEugene Crosser if (rc) 147e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 148e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 149efbbc1d5SEugene Crosser return rc; 1504a71df50SFrank Blaschka } 1514a71df50SFrank Blaschka 152d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) 1534a71df50SFrank Blaschka { 154fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 155fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 156fe5c8028SLakhvich Dmitriy int i; 1574a71df50SFrank Blaschka 158fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 159fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 160fe5c8028SLakhvich Dmitriy kfree(mac); 1614a71df50SFrank Blaschka } 1624a71df50SFrank Blaschka } 1634a71df50SFrank Blaschka 164b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 165b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 166eca1d5c2SJulian Wiedmann int ipv, unsigned int data_len) 1674a71df50SFrank Blaschka { 168eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb); 1690aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1704a71df50SFrank Blaschka 171ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1724a71df50SFrank Blaschka 1730aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1740aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1750aef8392SJulian Wiedmann } else { 1760aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 177eeac0e20SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 178fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 1790aef8392SJulian Wiedmann } 180fc69660bSJulian Wiedmann 1814a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1824a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1834a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1844a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1854a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1864a71df50SFrank Blaschka else 187ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1884a71df50SFrank Blaschka 1894a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1904a71df50SFrank Blaschka * information to be present in 1914a71df50SFrank Blaschka * the QDIO header */ 1924a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1934a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1944a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1954a71df50SFrank Blaschka } 1964a71df50SFrank Blaschka } 1974a71df50SFrank Blaschka 198742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 1994a71df50SFrank Blaschka { 2002aa48671SJulian Wiedmann if (retcode) 2012aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2022aa48671SJulian Wiedmann 2032aa48671SJulian Wiedmann switch (retcode) { 2042aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2052aa48671SJulian Wiedmann return 0; 2062aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2072aa48671SJulian Wiedmann return -EINVAL; 2082aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2092aa48671SJulian Wiedmann return -EEXIST; 2102aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2112aa48671SJulian Wiedmann return -ENOENT; 2122aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2132aa48671SJulian Wiedmann return -EPERM; 2142aa48671SJulian Wiedmann default: 2152aa48671SJulian Wiedmann return -EIO; 2162aa48671SJulian Wiedmann } 2172aa48671SJulian Wiedmann } 2182aa48671SJulian Wiedmann 2192aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2202aa48671SJulian Wiedmann struct qeth_reply *reply, 2212aa48671SJulian Wiedmann unsigned long data) 2222aa48671SJulian Wiedmann { 2232aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2244a71df50SFrank Blaschka 225847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2264a71df50SFrank Blaschka if (cmd->hdr.return_code) { 227e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2282aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 229e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 230847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2314a71df50SFrank Blaschka } 232742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2334a71df50SFrank Blaschka } 2344a71df50SFrank Blaschka 2354a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2364a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2374a71df50SFrank Blaschka { 2384a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2394a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2404a71df50SFrank Blaschka 241847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 242a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 243a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan)); 2441aec42bcSThomas Richter if (!iob) 2451aec42bcSThomas Richter return -ENOMEM; 246ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2474a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 248742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2494a71df50SFrank Blaschka } 2504a71df50SFrank Blaschka 25180d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 25280d5c368SPatrick McHardy __be16 proto, u16 vid) 2534a71df50SFrank Blaschka { 254509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2554a71df50SFrank Blaschka 256847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 25710651db7SUrsula Braun if (!vid) 2588e586137SJiri Pirko return 0; 259e6e771b3SJulian Wiedmann 2605fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2614a71df50SFrank Blaschka } 2624a71df50SFrank Blaschka 26380d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 26480d5c368SPatrick McHardy __be16 proto, u16 vid) 2654a71df50SFrank Blaschka { 266509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2674a71df50SFrank Blaschka 268847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2695fc692a7SJulian Wiedmann if (!vid) 2705fc692a7SJulian Wiedmann return 0; 271e6e771b3SJulian Wiedmann 2725fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2734a71df50SFrank Blaschka } 2744a71df50SFrank Blaschka 275d4560150SJulian Wiedmann static void qeth_l2_stop_card(struct qeth_card *card) 2764a71df50SFrank Blaschka { 27757a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "stopcard"); 2784a71df50SFrank Blaschka 2794a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2800f7aedbdSJulian Wiedmann 281d0c74825SJulian Wiedmann cancel_work_sync(&card->rx_mode_work); 282d0c74825SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 283d0c74825SJulian Wiedmann 2844a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 2854a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 28641c47da3SJulian Wiedmann qeth_drain_output_queues(card); 2870e635c2aSJulian Wiedmann cancel_delayed_work_sync(&card->buffer_reclaim_work); 2884a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 2894a71df50SFrank Blaschka } 290ad160872SJulian Wiedmann 2918b5026bcSJulian Wiedmann qeth_qdio_clear_card(card, 0); 292aa3ad392SJulian Wiedmann qeth_clear_working_pool_list(card); 293c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 2940d49c06bSJulian Wiedmann qeth_flush_local_addrs(card); 2950f399305SJulian Wiedmann card->info.promisc_mode = 0; 2964a71df50SFrank Blaschka } 2974a71df50SFrank Blaschka 2984a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 2994a71df50SFrank Blaschka { 3004a71df50SFrank Blaschka int rc = 0; 3014a71df50SFrank Blaschka 30257a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac"); 3034a71df50SFrank Blaschka 304ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 305ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 306ec61bd2fSJulian Wiedmann if (!rc) 307ec61bd2fSJulian Wiedmann goto out; 308e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 309e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 31057a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc); 311ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 312ec61bd2fSJulian Wiedmann } 313ec61bd2fSJulian Wiedmann 314b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3154a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3164b7ae122SJulian Wiedmann if (!rc) 31721b1702aSJulian Wiedmann goto out; 318e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 319e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 32057a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc); 32121b1702aSJulian Wiedmann /* fall back once more: */ 3224a71df50SFrank Blaschka } 32321b1702aSJulian Wiedmann 32421b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 325379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 32621b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 32721b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 32821b1702aSJulian Wiedmann 329ec61bd2fSJulian Wiedmann out: 33057a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len); 3314a71df50SFrank Blaschka return 0; 3324a71df50SFrank Blaschka } 3334a71df50SFrank Blaschka 334654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 335654e3d48SJulian Wiedmann { 336654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 337654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 338654e3d48SJulian Wiedmann 339654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 3409de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1; 3419de15117SJulian Wiedmann else 3429de15117SJulian Wiedmann card->info.dev_addr_is_registered = 0; 343654e3d48SJulian Wiedmann } 344654e3d48SJulian Wiedmann 345e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 346e22355eaSJulian Wiedmann { 347e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 348e22355eaSJulian Wiedmann 3499de15117SJulian Wiedmann if (card->info.dev_addr_is_registered) 350e22355eaSJulian Wiedmann return eth_validate_addr(dev); 351e22355eaSJulian Wiedmann 352e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 353e22355eaSJulian Wiedmann return -EPERM; 354e22355eaSJulian Wiedmann } 355e22355eaSJulian Wiedmann 3564a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 3574a71df50SFrank Blaschka { 3584a71df50SFrank Blaschka struct sockaddr *addr = p; 359509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 360bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 3614a71df50SFrank Blaschka int rc = 0; 3624a71df50SFrank Blaschka 363847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 3644a71df50SFrank Blaschka 3658024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 366847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 3674a71df50SFrank Blaschka return -EOPNOTSUPP; 3684a71df50SFrank Blaschka } 36999f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 370bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 371bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 372bcacfcbcSJulian Wiedmann 373bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 374bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 3759de15117SJulian Wiedmann card->info.dev_addr_is_registered) 376e6e771b3SJulian Wiedmann return 0; 377bcacfcbcSJulian Wiedmann 378bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 3794a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 380bcacfcbcSJulian Wiedmann if (rc) 381e6e771b3SJulian Wiedmann return rc; 382bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 383bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 384bcacfcbcSJulian Wiedmann 3859de15117SJulian Wiedmann if (card->info.dev_addr_is_registered) 386bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 3879de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1; 388e6e771b3SJulian Wiedmann return 0; 3894a71df50SFrank Blaschka } 3904a71df50SFrank Blaschka 39159b757a9SJulian Wiedmann static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable) 3920db587b0SEugene Crosser { 3930db587b0SEugene Crosser int role; 3940db587b0SEugene Crosser int rc; 3950db587b0SEugene Crosser 3960db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 3970db587b0SEugene Crosser 39859b757a9SJulian Wiedmann if (enable) { 3990db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 4000db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 4010db587b0SEugene Crosser else 4020db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4030db587b0SEugene Crosser } else 4040db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4050db587b0SEugene Crosser 4060db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 40759b757a9SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc); 4080db587b0SEugene Crosser if (!rc) { 4090db587b0SEugene Crosser card->options.sbp.role = role; 41059b757a9SJulian Wiedmann card->info.promisc_mode = enable; 41159b757a9SJulian Wiedmann } 4120db587b0SEugene Crosser } 413fe5c8028SLakhvich Dmitriy 41459b757a9SJulian Wiedmann static void qeth_l2_set_promisc_mode(struct qeth_card *card) 41559b757a9SJulian Wiedmann { 41659b757a9SJulian Wiedmann bool enable = card->dev->flags & IFF_PROMISC; 41759b757a9SJulian Wiedmann 41859b757a9SJulian Wiedmann if (card->info.promisc_mode == enable) 41959b757a9SJulian Wiedmann return; 42059b757a9SJulian Wiedmann 421c8183f54SJulian Wiedmann if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) { 42259b757a9SJulian Wiedmann qeth_setadp_promisc_mode(card, enable); 423c8183f54SJulian Wiedmann } else { 424c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 425c8183f54SJulian Wiedmann if (card->options.sbp.reflect_promisc) 42659b757a9SJulian Wiedmann qeth_l2_promisc_to_bridge(card, enable); 427c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 428c8183f54SJulian Wiedmann } 429fe5c8028SLakhvich Dmitriy } 43059b757a9SJulian Wiedmann 431fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 432fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 433fe5c8028SLakhvich Dmitriy * 434fe5c8028SLakhvich Dmitriy */ 4354641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 436fe5c8028SLakhvich Dmitriy { 437cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 438fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 439fe5c8028SLakhvich Dmitriy 440cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 44199f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4425f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 443fe5c8028SLakhvich Dmitriy return; 444fe5c8028SLakhvich Dmitriy } 4450db587b0SEugene Crosser } 4460db587b0SEugene Crosser 447fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 448fe5c8028SLakhvich Dmitriy if (!mac) 449fe5c8028SLakhvich Dmitriy return; 450fe5c8028SLakhvich Dmitriy 45199f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4525f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 453fe5c8028SLakhvich Dmitriy 454cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 455fe5c8028SLakhvich Dmitriy } 456fe5c8028SLakhvich Dmitriy 457d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 4584a71df50SFrank Blaschka { 459d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 460d0c74825SJulian Wiedmann rx_mode_work); 461d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 462ccffad25SJiri Pirko struct netdev_hw_addr *ha; 463fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 464fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 465fe5c8028SLakhvich Dmitriy int i; 466fe5c8028SLakhvich Dmitriy int rc; 4674a71df50SFrank Blaschka 468847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 469fe5c8028SLakhvich Dmitriy 470d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 47122bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 4724641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 47332e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 4744641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 475d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 476fe5c8028SLakhvich Dmitriy 477fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 47800c163f1SJulian Wiedmann switch (mac->disp_flag) { 47900c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 4808174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 481fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 482fe5c8028SLakhvich Dmitriy kfree(mac); 48300c163f1SJulian Wiedmann break; 48400c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 4858174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 486fe5c8028SLakhvich Dmitriy if (rc) { 487fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 488fe5c8028SLakhvich Dmitriy kfree(mac); 48900c163f1SJulian Wiedmann break; 49000c163f1SJulian Wiedmann } 49100c163f1SJulian Wiedmann /* fall through */ 49200c163f1SJulian Wiedmann default: 49300c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 4945f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 49500c163f1SJulian Wiedmann } 496fe5c8028SLakhvich Dmitriy } 4977db2266aSFrank Blaschka 49859b757a9SJulian Wiedmann qeth_l2_set_promisc_mode(card); 4994a71df50SFrank Blaschka } 5004a71df50SFrank Blaschka 5017286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5027286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5037286384bSJulian Wiedmann { 504b413ff8aSJulian Wiedmann gfp_t gfp = GFP_ATOMIC | (skb_pfmemalloc(skb) ? __GFP_MEMALLOC : 0); 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. */ 517b413ff8aSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, gfp); 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); 5761c103cf8SJulian Wiedmann 5771c103cf8SJulian Wiedmann return IS_VM_NIC(card) ? netdev_pick_tx(dev, skb, sb_dev) : 5781c103cf8SJulian Wiedmann qeth_get_priority_queue(card, skb); 5793a18d754SJulian Wiedmann } 5803a18d754SJulian Wiedmann 5812d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 5822d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 5832d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 5842d2ebb3eSJulian Wiedmann }; 5852d2ebb3eSJulian Wiedmann 5864a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 5874a71df50SFrank Blaschka { 5884a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 5899111e788SUrsula Braun int rc; 5904a71df50SFrank Blaschka 591fb64de1bSJulian Wiedmann if (IS_OSN(card)) 592fb64de1bSJulian Wiedmann dev_notice(&gdev->dev, "OSN support will be dropped in 2021\n"); 593fb64de1bSJulian Wiedmann 59412b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 595c8183f54SJulian Wiedmann mutex_init(&card->sbp_lock); 59612b409ddSJulian Wiedmann 5972d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 5989111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 5999111e788SUrsula Braun if (rc) 6009111e788SUrsula Braun return rc; 6012d2ebb3eSJulian Wiedmann } 6025fc692a7SJulian Wiedmann 603fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 604d0c74825SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 6054a71df50SFrank Blaschka return 0; 6064a71df50SFrank Blaschka } 6074a71df50SFrank Blaschka 6084a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6094a71df50SFrank Blaschka { 6104a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6114a71df50SFrank Blaschka 6122d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 613b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 614f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6154a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6164a71df50SFrank Blaschka 61770919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 61891003f35SJulian Wiedmann qeth_set_offline(card, false); 619c2780c1aSJulian Wiedmann 620c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 621cd652be5SJulian Wiedmann if (card->dev->reg_state == NETREG_REGISTERED) 6224a71df50SFrank Blaschka unregister_netdev(card->dev); 6234a71df50SFrank Blaschka } 6244a71df50SFrank Blaschka 625d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 626d0c74825SJulian Wiedmann { 627d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 628d0c74825SJulian Wiedmann 629d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 630d0c74825SJulian Wiedmann } 631d0c74825SJulian Wiedmann 6323d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 633e22355eaSJulian Wiedmann .ndo_open = qeth_open, 634e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 635b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6368403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6376d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 6383a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 639e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 640fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 641942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 6428403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 6438403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 6448403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 6458403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 6468f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 6478f43fb00SThomas Richter .ndo_set_features = qeth_set_features 6488403b13cSFrank Blaschka }; 6498403b13cSFrank Blaschka 6508024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 6518024cc9eSJulian Wiedmann .ndo_open = qeth_open, 6528024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 6538024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6548024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 6558024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 6568024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 6578024cc9eSJulian Wiedmann }; 6588024cc9eSJulian Wiedmann 659cd652be5SJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card) 6604a71df50SFrank Blaschka { 661d3d1b205SJulian Wiedmann int rc; 6624a71df50SFrank Blaschka 6638024cc9eSJulian Wiedmann if (IS_OSN(card)) { 6648024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 66525e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 6668024cc9eSJulian Wiedmann goto add_napi; 6678024cc9eSJulian Wiedmann } 6688024cc9eSJulian Wiedmann 6691c103cf8SJulian Wiedmann rc = qeth_setup_netdev(card); 6701c103cf8SJulian Wiedmann if (rc) 6711c103cf8SJulian Wiedmann return rc; 6721c103cf8SJulian Wiedmann 6735f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 6748024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 6758024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 6769400c53fSJulian Wiedmann 6775fc692a7SJulian Wiedmann if (IS_OSM(card)) { 6789400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 6795fc692a7SJulian Wiedmann } else { 6805fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 6815fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 682f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 6835fc692a7SJulian Wiedmann } 6840f342945SJulian Wiedmann 685379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 6866d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 6878f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 6889bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 6898f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 6909bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 6919bdc4411SHans Wippel } 6924d7def2aSThomas Richter } 693571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 694571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 695571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 696571f9dd8SKittipon Meesompop } 697d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 698d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 699d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 700d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 701d7e6ed97SKittipon Meesompop } 7020aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 7030aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 7040aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 7050aef8392SJulian Wiedmann } 7060aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 7070aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 7080aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 7090aef8392SJulian Wiedmann } 7100aef8392SJulian Wiedmann 7110aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 7120aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 7130aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 7140aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 7150aef8392SJulian Wiedmann } 7160d6f02d3SJulian Wiedmann 7178024cc9eSJulian Wiedmann add_napi: 718d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 719cd652be5SJulian Wiedmann return register_netdev(card->dev); 7204a71df50SFrank Blaschka } 7214a71df50SFrank Blaschka 722521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 723521c10eaSJulian Wiedmann { 724a45b3fafSHans Wippel /* Set BridgePort features */ 725a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 726521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 727521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 728a45b3fafSHans Wippel /* VNIC Characteristics features */ 729a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 730a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 731a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 732521c10eaSJulian Wiedmann } 733521c10eaSJulian Wiedmann 7348ca769e2SJulian Wiedmann static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) 7358ca769e2SJulian Wiedmann { 7368ca769e2SJulian Wiedmann if (!card->options.sbp.reflect_promisc && 7378ca769e2SJulian Wiedmann card->options.sbp.role != QETH_SBP_ROLE_NONE) { 7388ca769e2SJulian Wiedmann /* Conditional to avoid spurious error messages */ 7398ca769e2SJulian Wiedmann qeth_bridgeport_setrole(card, card->options.sbp.role); 7408ca769e2SJulian Wiedmann /* Let the callback function refresh the stored role value. */ 7418ca769e2SJulian Wiedmann qeth_bridgeport_query_ports(card, &card->options.sbp.role, 7428ca769e2SJulian Wiedmann NULL); 7438ca769e2SJulian Wiedmann } 7448ca769e2SJulian Wiedmann if (card->options.sbp.hostnotification) { 7458ca769e2SJulian Wiedmann if (qeth_bridgeport_an_set(card, 1)) 7468ca769e2SJulian Wiedmann card->options.sbp.hostnotification = 0; 7478ca769e2SJulian Wiedmann } else { 7488ca769e2SJulian Wiedmann qeth_bridgeport_an_set(card, 0); 7498ca769e2SJulian Wiedmann } 7508ca769e2SJulian Wiedmann } 7518ca769e2SJulian Wiedmann 75291003f35SJulian Wiedmann static int qeth_l2_set_online(struct qeth_card *card) 7534a71df50SFrank Blaschka { 75491003f35SJulian Wiedmann struct ccwgroup_device *gdev = card->gdev; 755fa3d2e60SJulian Wiedmann struct net_device *dev = card->dev; 7564a71df50SFrank Blaschka int rc = 0; 7579fae5c3bSJulian Wiedmann bool carrier_ok; 7584a71df50SFrank Blaschka 7599fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 7604a71df50SFrank Blaschka if (rc) { 76157a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "2err%04x", rc); 762aa909224SUrsula Braun rc = -ENODEV; 7634a71df50SFrank Blaschka goto out_remove; 7644a71df50SFrank Blaschka } 765654e3d48SJulian Wiedmann 766c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 767d7ef489fSJulian Wiedmann qeth_bridgeport_query_support(card); 7688ca769e2SJulian Wiedmann if (card->options.sbp.supported_funcs) { 7698ca769e2SJulian Wiedmann qeth_l2_setup_bridgeport_attrs(card); 770d7ef489fSJulian Wiedmann dev_info(&card->gdev->dev, 771d7ef489fSJulian Wiedmann "The device represents a Bridge Capable Port\n"); 7728ca769e2SJulian Wiedmann } 773c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 774d7ef489fSJulian Wiedmann 775d7ef489fSJulian Wiedmann qeth_l2_register_dev_addr(card); 776d7ef489fSJulian Wiedmann 777a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 778a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 779a45b3fafSHans Wippel 780a45b3fafSHans Wippel qeth_trace_features(card); 781a45b3fafSHans Wippel qeth_l2_trace_features(card); 782a45b3fafSHans Wippel 7834a71df50SFrank Blaschka qeth_print_status_message(card); 7844a71df50SFrank Blaschka 7854a71df50SFrank Blaschka /* softsetup */ 78657a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp"); 7874a71df50SFrank Blaschka 7884a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 7894a71df50SFrank Blaschka 7904a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 791d025da9eSJulian Wiedmann 792cd652be5SJulian Wiedmann if (dev->reg_state != NETREG_REGISTERED) { 793cd652be5SJulian Wiedmann rc = qeth_l2_setup_netdev(card); 794fa3d2e60SJulian Wiedmann if (rc) 795fa3d2e60SJulian Wiedmann goto out_remove; 796cd652be5SJulian Wiedmann 797cd652be5SJulian Wiedmann if (carrier_ok) 798cd652be5SJulian Wiedmann netif_carrier_on(dev); 7994a71df50SFrank Blaschka } else { 8004a71df50SFrank Blaschka rtnl_lock(); 801fa3d2e60SJulian Wiedmann if (carrier_ok) 802fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 803fa3d2e60SJulian Wiedmann else 804fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 805fa3d2e60SJulian Wiedmann 806e6e771b3SJulian Wiedmann netif_device_attach(dev); 807fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 808fa3d2e60SJulian Wiedmann 809d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 810d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 811fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 812fa3d2e60SJulian Wiedmann } 813fa3d2e60SJulian Wiedmann rtnl_unlock(); 8144a71df50SFrank Blaschka } 8154a71df50SFrank Blaschka /* let user_space know that device is online */ 8164a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 8174a71df50SFrank Blaschka return 0; 818aa909224SUrsula Braun 8194a71df50SFrank Blaschka out_remove: 820d4560150SJulian Wiedmann qeth_l2_stop_card(card); 821f9e50b02SJulian Wiedmann qeth_stop_channel(&card->data); 822f9e50b02SJulian Wiedmann qeth_stop_channel(&card->write); 823f9e50b02SJulian Wiedmann qeth_stop_channel(&card->read); 82422ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 825aa909224SUrsula Braun return rc; 8264a71df50SFrank Blaschka } 8274a71df50SFrank Blaschka 82891003f35SJulian Wiedmann static void qeth_l2_set_offline(struct qeth_card *card) 8294a71df50SFrank Blaschka { 830d4560150SJulian Wiedmann qeth_l2_stop_card(card); 8314a71df50SFrank Blaschka } 8324a71df50SFrank Blaschka 8334a71df50SFrank Blaschka static int __init qeth_l2_init(void) 8344a71df50SFrank Blaschka { 83574eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 8364a71df50SFrank Blaschka return 0; 8374a71df50SFrank Blaschka } 8384a71df50SFrank Blaschka 8394a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 8404a71df50SFrank Blaschka { 84174eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 8424a71df50SFrank Blaschka } 8434a71df50SFrank Blaschka 844c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 845c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 846c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 847c044dc21SEugene Crosser { 848c044dc21SEugene Crosser switch (cmd->hdr.command) { 8499c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 8509c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 851c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 852c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 853c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 854c044dc21SEugene Crosser return 0; 855c044dc21SEugene Crosser } else 856c044dc21SEugene Crosser return 1; 857c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 858c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 859c044dc21SEugene Crosser return 0; 860c044dc21SEugene Crosser default: 861c044dc21SEugene Crosser return 1; 862c044dc21SEugene Crosser } 863c044dc21SEugene Crosser } 864c044dc21SEugene Crosser 865c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 8662d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 867c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 8684a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 8694a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 8704a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 871942d6984SJulian Wiedmann .do_ioctl = NULL, 872c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 8734a71df50SFrank Blaschka }; 874c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 8754a71df50SFrank Blaschka 8764e2b5aa5SJulian Wiedmann #ifdef CONFIG_QETH_OSN 8770ce37ec2SJulian Wiedmann static void qeth_osn_assist_cb(struct qeth_card *card, 87812fc286fSJulian Wiedmann struct qeth_cmd_buffer *iob, 87912fc286fSJulian Wiedmann unsigned int data_length) 8804a71df50SFrank Blaschka { 881308946b0SJulian Wiedmann qeth_notify_cmd(iob, 0); 882c3b2218dSJulian Wiedmann qeth_put_cmd(iob); 8834a71df50SFrank Blaschka } 8844a71df50SFrank Blaschka 8854a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 8864a71df50SFrank Blaschka { 8874a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 8884a71df50SFrank Blaschka struct qeth_card *card; 8894a71df50SFrank Blaschka 890a59d121dSJulian Wiedmann if (data_len < 0) 891a59d121dSJulian Wiedmann return -EINVAL; 8924a71df50SFrank Blaschka if (!dev) 8934a71df50SFrank Blaschka return -ENODEV; 894509e2562SHeiko Carstens card = dev->ml_priv; 8954a71df50SFrank Blaschka if (!card) 8964a71df50SFrank Blaschka return -ENODEV; 897847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 898c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 8994a71df50SFrank Blaschka return -ENODEV; 900a59d121dSJulian Wiedmann 901a59d121dSJulian Wiedmann iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1, 902a59d121dSJulian Wiedmann QETH_IPA_TIMEOUT); 9031273a800SJulian Wiedmann if (!iob) 9041273a800SJulian Wiedmann return -ENOMEM; 9051273a800SJulian Wiedmann 9067f92316cSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len, NULL); 9077f92316cSJulian Wiedmann 908ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 9090ce37ec2SJulian Wiedmann iob->callback = qeth_osn_assist_cb; 9100ce37ec2SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, NULL, NULL); 9114a71df50SFrank Blaschka } 9124a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 9134a71df50SFrank Blaschka 9144a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 9154a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 9164a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 9174a71df50SFrank Blaschka { 9184a71df50SFrank Blaschka struct qeth_card *card; 919d7d18da1SJulian Wiedmann char bus_id[16]; 920d7d18da1SJulian Wiedmann u16 devno; 9214a71df50SFrank Blaschka 922d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 923d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 924d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 925d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 9264a71df50SFrank Blaschka return -ENODEV; 927d7d18da1SJulian Wiedmann *dev = card->dev; 928d7d18da1SJulian Wiedmann 929847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 9304a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 9314a71df50SFrank Blaschka return -EINVAL; 9324a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 9334a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 9344a71df50SFrank Blaschka return 0; 9354a71df50SFrank Blaschka } 9364a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 9374a71df50SFrank Blaschka 9384a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 9394a71df50SFrank Blaschka { 9404a71df50SFrank Blaschka struct qeth_card *card; 9414a71df50SFrank Blaschka 9424a71df50SFrank Blaschka if (!dev) 9434a71df50SFrank Blaschka return; 944509e2562SHeiko Carstens card = dev->ml_priv; 9454a71df50SFrank Blaschka if (!card) 9464a71df50SFrank Blaschka return; 947847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 9484a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 9494a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 9504a71df50SFrank Blaschka return; 9514a71df50SFrank Blaschka } 9524a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 9534e2b5aa5SJulian Wiedmann #endif 9544a71df50SFrank Blaschka 955b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 956b4d72c08SEugene Crosser 9579f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 9589f48b9dbSEugene Crosser 9599f48b9dbSEugene Crosser /** 9609f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 9619f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 9629f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 9639f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 9649f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 9659f48b9dbSEugene Crosser * object, 0 - addition of an object. 9669f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 9679f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 9689f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 9699f48b9dbSEugene Crosser * 9709f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 9719f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 9729f48b9dbSEugene Crosser * for all currently registered addresses. 9739f48b9dbSEugene Crosser */ 9749f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 9759f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 9769f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 9779f48b9dbSEugene Crosser { 9789f48b9dbSEugene Crosser char str[7][32]; 9799f48b9dbSEugene Crosser char *env[8]; 9809f48b9dbSEugene Crosser int i = 0; 9819f48b9dbSEugene Crosser 9829f48b9dbSEugene Crosser switch (evtype) { 9839f48b9dbSEugene Crosser case anev_reg_unreg: 9849f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 9859f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 9869f48b9dbSEugene Crosser ? "deregister" : "register"); 9879f48b9dbSEugene Crosser env[i] = str[i]; i++; 9889f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 9899f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 9909f48b9dbSEugene Crosser addr_lnid->lnid); 9919f48b9dbSEugene Crosser env[i] = str[i]; i++; 9929f48b9dbSEugene Crosser } 9939f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 9949846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 9959846e70bSEugene Crosser addr_lnid->mac); 9969f48b9dbSEugene Crosser env[i] = str[i]; i++; 9979f48b9dbSEugene Crosser } 9989f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 9999f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 10009f48b9dbSEugene Crosser env[i] = str[i]; i++; 10019f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 10029f48b9dbSEugene Crosser env[i] = str[i]; i++; 10039f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 10049f48b9dbSEugene Crosser token->chpid); 10059f48b9dbSEugene Crosser env[i] = str[i]; i++; 10069f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 10079f48b9dbSEugene Crosser env[i] = str[i]; i++; 10089f48b9dbSEugene Crosser break; 10099f48b9dbSEugene Crosser case anev_abort: 10109f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 10119f48b9dbSEugene Crosser env[i] = str[i]; i++; 10129f48b9dbSEugene Crosser break; 10139f48b9dbSEugene Crosser case anev_reset: 10149f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 10159f48b9dbSEugene Crosser env[i] = str[i]; i++; 10169f48b9dbSEugene Crosser break; 10179f48b9dbSEugene Crosser } 10189f48b9dbSEugene Crosser env[i] = NULL; 10199f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 10209f48b9dbSEugene Crosser } 10219f48b9dbSEugene Crosser 1022b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1023b4d72c08SEugene Crosser struct work_struct worker; 1024b4d72c08SEugene Crosser struct qeth_card *card; 1025b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1026b4d72c08SEugene Crosser }; 1027b4d72c08SEugene Crosser 1028b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1029b4d72c08SEugene Crosser { 1030b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1031b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1032b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1033b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1034b4d72c08SEugene Crosser char env_locrem[32]; 1035b4d72c08SEugene Crosser char env_role[32]; 1036b4d72c08SEugene Crosser char env_state[32]; 1037b4d72c08SEugene Crosser char *env[] = { 1038b4d72c08SEugene Crosser env_locrem, 1039b4d72c08SEugene Crosser env_role, 1040b4d72c08SEugene Crosser env_state, 1041b4d72c08SEugene Crosser NULL 1042b4d72c08SEugene Crosser }; 1043b4d72c08SEugene Crosser 1044b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1045b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1046c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 1047b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1048c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 1049b4d72c08SEugene Crosser 1050b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1051b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1052b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1053b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1054b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1055b4d72c08SEugene Crosser "<INVALID>"); 1056b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1057b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1058b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1059b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1060b4d72c08SEugene Crosser "<INVALID>"); 1061b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1062b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1063b4d72c08SEugene Crosser kfree(data); 1064b4d72c08SEugene Crosser } 1065b4d72c08SEugene Crosser 1066c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1067c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1068b4d72c08SEugene Crosser { 1069b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1070b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1071b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1072b4d72c08SEugene Crosser int extrasize; 1073b4d72c08SEugene Crosser 1074b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1075b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 10768a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1077b4d72c08SEugene Crosser return; 1078b4d72c08SEugene Crosser } 1079b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1080b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1081b4d72c08SEugene Crosser GFP_ATOMIC); 1082b4d72c08SEugene Crosser if (!data) { 1083b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1084b4d72c08SEugene Crosser return; 1085b4d72c08SEugene Crosser } 1086b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1087b4d72c08SEugene Crosser data->card = card; 1088b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1089b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1090c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1091b4d72c08SEugene Crosser } 1092b4d72c08SEugene Crosser 10939f48b9dbSEugene Crosser struct qeth_bridge_host_data { 10949f48b9dbSEugene Crosser struct work_struct worker; 10959f48b9dbSEugene Crosser struct qeth_card *card; 10969f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 10979f48b9dbSEugene Crosser }; 10989f48b9dbSEugene Crosser 10999f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 11009f48b9dbSEugene Crosser { 11019f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 11029f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 11039f48b9dbSEugene Crosser int i; 11049f48b9dbSEugene Crosser 11059f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 11069f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 11079c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 11089f48b9dbSEugene Crosser data->card->dev->name, 11099f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 11109f48b9dbSEugene Crosser ? "Overflow" 11119f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 11129f48b9dbSEugene Crosser ? "Bridge port state change" 11139f48b9dbSEugene Crosser : "Unknown reason"); 1114c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 11159f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 1116c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 11179f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 11189f48b9dbSEugene Crosser 0, NULL, NULL); 11199f48b9dbSEugene Crosser } else 11209f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 11219f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 11229f48b9dbSEugene Crosser &data->hostevs.entry[i]; 11239f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 11249f48b9dbSEugene Crosser anev_reg_unreg, 11259f48b9dbSEugene Crosser entry->change_code, 11269f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 11279f48b9dbSEugene Crosser } 11289f48b9dbSEugene Crosser kfree(data); 11299f48b9dbSEugene Crosser } 11309f48b9dbSEugene Crosser 1131c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1132c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 11339f48b9dbSEugene Crosser { 11349f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 11359f48b9dbSEugene Crosser &cmd->data.addrchange; 11369f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 11379f48b9dbSEugene Crosser int extrasize; 11389f48b9dbSEugene Crosser 11399f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 11409f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 11419f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 11429f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 11439f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 11449f48b9dbSEugene Crosser } else { 11459f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 11469f48b9dbSEugene Crosser cmd->hdr.return_code); 11479f48b9dbSEugene Crosser return; 11489f48b9dbSEugene Crosser } 11499f48b9dbSEugene Crosser } 11509f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 11519f48b9dbSEugene Crosser hostevs->num_entries; 11529f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 11539f48b9dbSEugene Crosser GFP_ATOMIC); 11549f48b9dbSEugene Crosser if (!data) { 11559f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 11569f48b9dbSEugene Crosser return; 11579f48b9dbSEugene Crosser } 11589f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 11599f48b9dbSEugene Crosser data->card = card; 11609f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 11619f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1162c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 11639f48b9dbSEugene Crosser } 11649f48b9dbSEugene Crosser 1165b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1166b4d72c08SEugene Crosser 1167b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1168b4d72c08SEugene Crosser union { 1169b4d72c08SEugene Crosser u32 supported; 1170b4d72c08SEugene Crosser struct { 1171b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1172b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1173b4d72c08SEugene Crosser } qports; 1174b4d72c08SEugene Crosser } data; 1175b4d72c08SEugene Crosser }; 1176b4d72c08SEugene Crosser 1177b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 11781709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1179b4d72c08SEugene Crosser { 11801709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 11811709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 11821709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 11831709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1184b4d72c08SEugene Crosser int rc; 1185b4d72c08SEugene Crosser 11861709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 11871709ff8dSJulian Wiedmann return 0; 11881709ff8dSJulian Wiedmann 11891709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 11901709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 11911709ff8dSJulian Wiedmann switch (sbp_rc) { 11922063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1193b4d72c08SEugene Crosser rc = 0; 1194b4d72c08SEugene Crosser break; 11952063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 11962063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1197ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1198b4d72c08SEugene Crosser break; 11992063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 12002063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1201b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1202b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12039c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1204b4d72c08SEugene Crosser break; 12052063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 12062063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 12071b05cf62SEugene Crosser rc = -EPERM; 12081b05cf62SEugene Crosser dev_err(&card->gdev->dev, 12091b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 12101b05cf62SEugene Crosser break; 12112063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 12122063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1213b4d72c08SEugene Crosser switch (setcmd) { 1214b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1215b4d72c08SEugene Crosser rc = -EEXIST; 1216b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12179c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1218b4d72c08SEugene Crosser break; 1219b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1220b4d72c08SEugene Crosser rc = -EBUSY; 1221b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12229c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1223b4d72c08SEugene Crosser break; 1224b4d72c08SEugene Crosser default: 1225b4d72c08SEugene Crosser rc = -EIO; 1226b4d72c08SEugene Crosser } 1227b4d72c08SEugene Crosser break; 12282063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 12292063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1230b4d72c08SEugene Crosser rc = -EBUSY; 1231b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12329c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1233b4d72c08SEugene Crosser break; 12342063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 12352063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1236b4d72c08SEugene Crosser rc = -EEXIST; 1237b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12389c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1239b4d72c08SEugene Crosser break; 12402063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 12412063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1242b4d72c08SEugene Crosser rc = -EBUSY; 1243b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12449c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1245b4d72c08SEugene Crosser break; 12462063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 12472063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1248b4d72c08SEugene Crosser rc = -EACCES; 1249b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12509c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1251b4d72c08SEugene Crosser break; 1252b4d72c08SEugene Crosser default: 1253b4d72c08SEugene Crosser rc = -EIO; 1254b4d72c08SEugene Crosser } 12551709ff8dSJulian Wiedmann } else { 12561709ff8dSJulian Wiedmann switch (ipa_rc) { 1257b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1258ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1259b4d72c08SEugene Crosser break; 1260b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1261ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1262b4d72c08SEugene Crosser break; 1263b4d72c08SEugene Crosser default: 1264b4d72c08SEugene Crosser rc = -EIO; 1265b4d72c08SEugene Crosser } 12661709ff8dSJulian Wiedmann } 12679c23f4daSEugene Crosser 1268b4d72c08SEugene Crosser if (rc) { 12691709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 12701709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1271b4d72c08SEugene Crosser } 1272b4d72c08SEugene Crosser return rc; 1273b4d72c08SEugene Crosser } 1274b4d72c08SEugene Crosser 1275d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1276d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1277b9150461SJulian Wiedmann unsigned int data_length) 12789c23f4daSEugene Crosser { 1279379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 12809c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1281b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr; 1282d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1283d65626adSJulian Wiedmann 1284b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE, 1285b9150461SJulian Wiedmann data_length + 1286b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport, 1287b9150461SJulian Wiedmann data)); 1288d65626adSJulian Wiedmann if (!iob) 1289d65626adSJulian Wiedmann return iob; 1290b9150461SJulian Wiedmann 1291b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr; 1292b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length; 1293b9150461SJulian Wiedmann hdr->command_code = sbp_cmd; 1294b9150461SJulian Wiedmann hdr->used_total = 1; 1295b9150461SJulian Wiedmann hdr->seq_no = 1; 1296d65626adSJulian Wiedmann return iob; 12979c23f4daSEugene Crosser } 12989c23f4daSEugene Crosser 1299b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1300b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1301b4d72c08SEugene Crosser { 1302b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1303b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 13041709ff8dSJulian Wiedmann int rc; 13051709ff8dSJulian Wiedmann 1306b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 13071709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 13081709ff8dSJulian Wiedmann if (rc) 13091709ff8dSJulian Wiedmann return rc; 13101709ff8dSJulian Wiedmann 1311b4d72c08SEugene Crosser cbctl->data.supported = 1312b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1313b4d72c08SEugene Crosser return 0; 1314b4d72c08SEugene Crosser } 1315b4d72c08SEugene Crosser 1316b4d72c08SEugene Crosser /** 1317b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1318b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1319b4d72c08SEugene Crosser * 1320b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1321b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1322b4d72c08SEugene Crosser */ 1323c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1324b4d72c08SEugene Crosser { 1325b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1326b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1327b4d72c08SEugene Crosser 1328b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1329d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1330b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp)); 13311aec42bcSThomas Richter if (!iob) 13321aec42bcSThomas Richter return; 13331709ff8dSJulian Wiedmann 1334b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 13351709ff8dSJulian Wiedmann &cbctl)) { 1336b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 13371709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1338b4d72c08SEugene Crosser return; 1339b4d72c08SEugene Crosser } 1340b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1341b4d72c08SEugene Crosser } 1342b4d72c08SEugene Crosser 1343b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1344b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1345b4d72c08SEugene Crosser { 1346b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1347b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1348b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 13491709ff8dSJulian Wiedmann int rc; 1350b4d72c08SEugene Crosser 1351b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 13521709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 13531709ff8dSJulian Wiedmann if (rc) 13541709ff8dSJulian Wiedmann return rc; 13551709ff8dSJulian Wiedmann 1356b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1357b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 13581709ff8dSJulian Wiedmann return -EINVAL; 1359b4d72c08SEugene Crosser } 1360b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1361b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1362b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1363b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1364b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1365b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1366b4d72c08SEugene Crosser } 1367b4d72c08SEugene Crosser return 0; 1368b4d72c08SEugene Crosser } 1369b4d72c08SEugene Crosser 1370b4d72c08SEugene Crosser /** 1371b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1372b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1373b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1374b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1375b4d72c08SEugene Crosser * 1376b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1377b4d72c08SEugene Crosser * 1378b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1379b4d72c08SEugene Crosser */ 1380b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1381b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1382b4d72c08SEugene Crosser { 1383b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1384b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1385b4d72c08SEugene Crosser .data = { 1386b4d72c08SEugene Crosser .qports = { 1387b4d72c08SEugene Crosser .role = role, 1388b4d72c08SEugene Crosser .state = state, 1389b4d72c08SEugene Crosser }, 1390b4d72c08SEugene Crosser }, 1391b4d72c08SEugene Crosser }; 1392b4d72c08SEugene Crosser 1393b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1394b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1395b4d72c08SEugene Crosser return -EOPNOTSUPP; 1396d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 13971aec42bcSThomas Richter if (!iob) 13981aec42bcSThomas Richter return -ENOMEM; 13991709ff8dSJulian Wiedmann 14001709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 14011709ff8dSJulian Wiedmann &cbctl); 1402b4d72c08SEugene Crosser } 1403b4d72c08SEugene Crosser 1404b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1405b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1406b4d72c08SEugene Crosser { 1407b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 14081709ff8dSJulian Wiedmann 1409b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 14101709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1411b4d72c08SEugene Crosser } 1412b4d72c08SEugene Crosser 1413b4d72c08SEugene Crosser /** 1414b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1415b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1416b4d72c08SEugene Crosser * @role: Role to assign. 1417b4d72c08SEugene Crosser * 1418b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1419b4d72c08SEugene Crosser */ 1420b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1421b4d72c08SEugene Crosser { 1422b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1423b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1424b9150461SJulian Wiedmann unsigned int cmdlength = 0; 1425b4d72c08SEugene Crosser 1426b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1427b4d72c08SEugene Crosser switch (role) { 1428b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1429b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1430b4d72c08SEugene Crosser break; 1431b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1432b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1433b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary); 1434b4d72c08SEugene Crosser break; 1435b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1436b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1437b4d72c08SEugene Crosser break; 1438b4d72c08SEugene Crosser default: 1439b4d72c08SEugene Crosser return -EINVAL; 1440b4d72c08SEugene Crosser } 1441b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1442b4d72c08SEugene Crosser return -EOPNOTSUPP; 1443d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 14441aec42bcSThomas Richter if (!iob) 14451aec42bcSThomas Richter return -ENOMEM; 14461709ff8dSJulian Wiedmann 14471709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1448b4d72c08SEugene Crosser } 1449b4d72c08SEugene Crosser 14509f48b9dbSEugene Crosser /** 14519f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 14529f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 14539f48b9dbSEugene Crosser * 14549f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 14559f48b9dbSEugene Crosser */ 14569f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 14579f48b9dbSEugene Crosser { 14589f48b9dbSEugene Crosser int rc; 14599f48b9dbSEugene Crosser 14609f48b9dbSEugene Crosser if (pnso_rc == 0) 14619f48b9dbSEugene Crosser switch (response) { 14629f48b9dbSEugene Crosser case 0x0001: 14639f48b9dbSEugene Crosser rc = 0; 14649f48b9dbSEugene Crosser break; 14659f48b9dbSEugene Crosser case 0x0004: 14669f48b9dbSEugene Crosser case 0x0100: 14679f48b9dbSEugene Crosser case 0x0106: 1468ffb95251SEugene Crosser rc = -EOPNOTSUPP; 14699f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 14709f48b9dbSEugene Crosser "Setting address notification failed\n"); 14719f48b9dbSEugene Crosser break; 14729f48b9dbSEugene Crosser case 0x0107: 14739f48b9dbSEugene Crosser rc = -EAGAIN; 14749f48b9dbSEugene Crosser break; 14759f48b9dbSEugene Crosser default: 14769f48b9dbSEugene Crosser rc = -EIO; 14779f48b9dbSEugene Crosser } 14789f48b9dbSEugene Crosser else 14799f48b9dbSEugene Crosser rc = -EIO; 14809f48b9dbSEugene Crosser 14819f48b9dbSEugene Crosser if (rc) { 14829f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 14839f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 14849f48b9dbSEugene Crosser } 14859f48b9dbSEugene Crosser return rc; 14869f48b9dbSEugene Crosser } 14879f48b9dbSEugene Crosser 14889f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 14899f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 14909f48b9dbSEugene Crosser { 14919f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 14929f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 14939f48b9dbSEugene Crosser u8 code; 14949f48b9dbSEugene Crosser 14959f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 14969f48b9dbSEugene Crosser WARN_ON_ONCE(1); 14979f48b9dbSEugene Crosser return; 14989f48b9dbSEugene Crosser } 14999f48b9dbSEugene Crosser 15009f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 15019f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 150233572619SAlexandra Winter if (l2entry->addr_lnid.lnid < VLAN_N_VID) 15039f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 15049f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 15059f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 15069f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 15079f48b9dbSEugene Crosser } 15089f48b9dbSEugene Crosser 15099f48b9dbSEugene Crosser /** 15109f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 15119f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 15129f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 15139f48b9dbSEugene Crosser * 15149f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 15159f48b9dbSEugene Crosser * 15169f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 15179f48b9dbSEugene Crosser * currently registered hosts. 15189f48b9dbSEugene Crosser */ 15199f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 15209f48b9dbSEugene Crosser { 15219f48b9dbSEugene Crosser int rc; 15229f48b9dbSEugene Crosser u16 response; 15239f48b9dbSEugene Crosser struct ccw_device *ddev; 15249f48b9dbSEugene Crosser struct subchannel_id schid; 15259f48b9dbSEugene Crosser 15269f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 15279f48b9dbSEugene Crosser return -EOPNOTSUPP; 15289f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 15299f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 15309f48b9dbSEugene Crosser 15319f48b9dbSEugene Crosser if (enable) { 15329f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 15339f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 15349f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 15359f48b9dbSEugene Crosser } else 15369f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 15379f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 15389f48b9dbSEugene Crosser } 15399f48b9dbSEugene Crosser 1540caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1541caa1f0b1SHans Wippel { 1542caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1543caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1544caa1f0b1SHans Wippel } 1545caa1f0b1SHans Wippel 1546a45b3fafSHans Wippel /* VNIC Characteristics support */ 1547a45b3fafSHans Wippel 1548a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1549742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1550a45b3fafSHans Wippel { 1551a45b3fafSHans Wippel int rc; 1552a45b3fafSHans Wippel 1553a45b3fafSHans Wippel switch (ipa_rc) { 1554a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1555a45b3fafSHans Wippel return ipa_rc; 1556a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1557a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1558a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1559a45b3fafSHans Wippel break; 1560a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1561a45b3fafSHans Wippel rc = -EALREADY; 1562a45b3fafSHans Wippel break; 1563a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1564a45b3fafSHans Wippel rc = -EBUSY; 1565a45b3fafSHans Wippel break; 1566a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1567a45b3fafSHans Wippel rc = -ENOSPC; 1568a45b3fafSHans Wippel break; 1569a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1570a45b3fafSHans Wippel rc = -EACCES; 1571a45b3fafSHans Wippel break; 1572a45b3fafSHans Wippel default: 1573a45b3fafSHans Wippel rc = -EIO; 1574a45b3fafSHans Wippel } 1575a45b3fafSHans Wippel 1576a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1577a45b3fafSHans Wippel return rc; 1578a45b3fafSHans Wippel } 1579a45b3fafSHans Wippel 1580a45b3fafSHans Wippel /* generic VNICC request call back */ 1581a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1582a45b3fafSHans Wippel struct qeth_reply *reply, 1583a45b3fafSHans Wippel unsigned long data) 1584a45b3fafSHans Wippel { 1585a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1586a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 15872744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command; 1588a45b3fafSHans Wippel 1589a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1590a45b3fafSHans Wippel if (cmd->hdr.return_code) 1591742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1592a45b3fafSHans Wippel /* return results to caller */ 15932cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported; 15942cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled; 1595a45b3fafSHans Wippel 15962744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS) 159749f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.query_cmds.sup_cmds; 15982744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT) 159949f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.getset_timeout.timeout; 1600349d13d5SHans Wippel 1601a45b3fafSHans Wippel return 0; 1602a45b3fafSHans Wippel } 1603a45b3fafSHans Wippel 16042cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card, 16052cfb4810SJulian Wiedmann u32 vnicc_cmd, 16062cfb4810SJulian Wiedmann unsigned int data_length) 1607a45b3fafSHans Wippel { 16082cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr; 1609a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1610a45b3fafSHans Wippel 16112cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE, 16122cfb4810SJulian Wiedmann data_length + 16132cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data)); 1614a45b3fafSHans Wippel if (!iob) 16152cfb4810SJulian Wiedmann return NULL; 1616a45b3fafSHans Wippel 16172cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr; 16182cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length; 16192cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd; 16202cfb4810SJulian Wiedmann return iob; 1621a45b3fafSHans Wippel } 1622a45b3fafSHans Wippel 1623a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1624a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1625a45b3fafSHans Wippel { 16262cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16272cfb4810SJulian Wiedmann 16282cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch"); 16292cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0); 16302cfb4810SJulian Wiedmann if (!iob) 16312cfb4810SJulian Wiedmann return -ENOMEM; 1632a45b3fafSHans Wippel 16332744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1634a45b3fafSHans Wippel } 1635a45b3fafSHans Wippel 1636caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1637caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1638caa1f0b1SHans Wippel u32 *sup_cmds) 1639caa1f0b1SHans Wippel { 16402cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16412cfb4810SJulian Wiedmann 16422cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm"); 16432cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS, 16442cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds)); 16452cfb4810SJulian Wiedmann if (!iob) 16462cfb4810SJulian Wiedmann return -ENOMEM; 16472cfb4810SJulian Wiedmann 16482cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char; 1649caa1f0b1SHans Wippel 165049f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, sup_cmds); 1651caa1f0b1SHans Wippel } 1652caa1f0b1SHans Wippel 1653caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1654caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1655caa1f0b1SHans Wippel u32 cmd) 1656caa1f0b1SHans Wippel { 16572cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16582cfb4810SJulian Wiedmann 16592cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc"); 16602cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char)); 16612cfb4810SJulian Wiedmann if (!iob) 16622cfb4810SJulian Wiedmann return -ENOMEM; 16632cfb4810SJulian Wiedmann 16642cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char; 1665caa1f0b1SHans Wippel 16662744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1667caa1f0b1SHans Wippel } 1668caa1f0b1SHans Wippel 1669349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1670349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1671349d13d5SHans Wippel u32 cmd, u32 *timeout) 1672349d13d5SHans Wippel { 16732cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout; 16742cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16752cfb4810SJulian Wiedmann 16762cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst"); 16772cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, 16782cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout)); 16792cfb4810SJulian Wiedmann if (!iob) 16802cfb4810SJulian Wiedmann return -ENOMEM; 16812cfb4810SJulian Wiedmann 16822cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout; 16832cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc; 16842cfb4810SJulian Wiedmann 16852cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT) 16862cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout; 1687349d13d5SHans Wippel 168849f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, timeout); 1689349d13d5SHans Wippel } 1690349d13d5SHans Wippel 1691caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1692caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1693caa1f0b1SHans Wippel { 1694caa1f0b1SHans Wippel int rc = 0; 1695caa1f0b1SHans Wippel u32 cmd; 1696caa1f0b1SHans Wippel 1697caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1698caa1f0b1SHans Wippel 1699caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1700caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1701caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1702caa1f0b1SHans Wippel return -EOPNOTSUPP; 1703caa1f0b1SHans Wippel 17046f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17056f3846f0SAlexandra Winter return -EBUSY; 17066f3846f0SAlexandra Winter 1707caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1708caa1f0b1SHans Wippel if (state) { 1709caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1710caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1711caa1f0b1SHans Wippel } else { 1712caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1713caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1714caa1f0b1SHans Wippel } 1715caa1f0b1SHans Wippel 1716caa1f0b1SHans Wippel /* do we need to do anything? */ 1717caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1718caa1f0b1SHans Wippel return rc; 1719caa1f0b1SHans Wippel 1720caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1721caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1722caa1f0b1SHans Wippel if (state) 1723caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1724caa1f0b1SHans Wippel else 1725caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1726caa1f0b1SHans Wippel return rc; 1727caa1f0b1SHans Wippel } 1728caa1f0b1SHans Wippel 1729caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1730caa1f0b1SHans Wippel if (rc) 1731caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1732caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1733349d13d5SHans Wippel else { 1734349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1735349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1736caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1737349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1738349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1739349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1740349d13d5SHans Wippel } 1741caa1f0b1SHans Wippel 1742caa1f0b1SHans Wippel return rc; 1743caa1f0b1SHans Wippel } 1744caa1f0b1SHans Wippel 1745caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1746caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1747caa1f0b1SHans Wippel { 1748caa1f0b1SHans Wippel int rc = 0; 1749caa1f0b1SHans Wippel 1750caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1751caa1f0b1SHans Wippel 1752caa1f0b1SHans Wippel /* check if characteristic is supported */ 1753caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1754caa1f0b1SHans Wippel return -EOPNOTSUPP; 1755caa1f0b1SHans Wippel 17566f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17576f3846f0SAlexandra Winter return -EBUSY; 17586f3846f0SAlexandra Winter 1759caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1760caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1761caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1762caa1f0b1SHans Wippel 1763caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1764caa1f0b1SHans Wippel return rc; 1765caa1f0b1SHans Wippel } 1766caa1f0b1SHans Wippel 1767349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1768349d13d5SHans Wippel * supports timeout 1769349d13d5SHans Wippel */ 1770349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1771349d13d5SHans Wippel { 1772349d13d5SHans Wippel int rc = 0; 1773349d13d5SHans Wippel 1774349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 1775349d13d5SHans Wippel 1776349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 1777349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1778349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1779349d13d5SHans Wippel return -EOPNOTSUPP; 1780349d13d5SHans Wippel 17816f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17826f3846f0SAlexandra Winter return -EBUSY; 17836f3846f0SAlexandra Winter 1784349d13d5SHans Wippel /* do we need to do anything? */ 1785349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 1786349d13d5SHans Wippel return rc; 1787349d13d5SHans Wippel 1788349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 1789349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1790349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1791349d13d5SHans Wippel return rc; 1792349d13d5SHans Wippel } 1793349d13d5SHans Wippel 1794349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 1795349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1796349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 1797349d13d5SHans Wippel if (!rc) 1798349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1799349d13d5SHans Wippel 1800349d13d5SHans Wippel return rc; 1801349d13d5SHans Wippel } 1802349d13d5SHans Wippel 1803349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 1804349d13d5SHans Wippel * learning supports timeout 1805349d13d5SHans Wippel */ 1806349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 1807349d13d5SHans Wippel { 1808349d13d5SHans Wippel int rc = 0; 1809349d13d5SHans Wippel 1810349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 1811349d13d5SHans Wippel 1812349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 1813349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1814349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1815349d13d5SHans Wippel return -EOPNOTSUPP; 18166f3846f0SAlexandra Winter 18176f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 18186f3846f0SAlexandra Winter return -EBUSY; 18196f3846f0SAlexandra Winter 1820349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 1821349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 1822349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 1823349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1824349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 1825349d13d5SHans Wippel timeout); 1826349d13d5SHans Wippel 1827349d13d5SHans Wippel return rc; 1828349d13d5SHans Wippel } 1829349d13d5SHans Wippel 1830caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 1831caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 1832caa1f0b1SHans Wippel { 1833e8a66d80SAlexandra Winter if (!card->options.vnicc.sup_chars) 1834caa1f0b1SHans Wippel return false; 1835caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 1836caa1f0b1SHans Wippel * or the card is offline. 1837caa1f0b1SHans Wippel */ 1838caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 1839caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 1840caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 1841caa1f0b1SHans Wippel return false; 1842caa1f0b1SHans Wippel } 1843caa1f0b1SHans Wippel return true; 1844caa1f0b1SHans Wippel } 1845caa1f0b1SHans Wippel 1846349d13d5SHans Wippel /* recover user timeout setting */ 1847349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 1848349d13d5SHans Wippel u32 *timeout) 1849349d13d5SHans Wippel { 1850349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1851349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 1852349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 1853349d13d5SHans Wippel timeout)) 1854349d13d5SHans Wippel return false; 1855349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 1856349d13d5SHans Wippel return true; 1857349d13d5SHans Wippel } 1858349d13d5SHans Wippel 1859caa1f0b1SHans Wippel /* recover user characteristic setting */ 1860caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 1861caa1f0b1SHans Wippel bool enable) 1862caa1f0b1SHans Wippel { 1863caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 1864caa1f0b1SHans Wippel 1865caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1866caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 1867caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 1868caa1f0b1SHans Wippel return false; 1869caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1870caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 1871caa1f0b1SHans Wippel return true; 1872caa1f0b1SHans Wippel } 1873caa1f0b1SHans Wippel 1874a45b3fafSHans Wippel /* (re-)initialize VNICC */ 1875a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 1876a45b3fafSHans Wippel { 1877349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 1878b528965bSAlexandra Winter bool enable, error = false; 1879caa1f0b1SHans Wippel unsigned int chars_len, i; 1880caa1f0b1SHans Wippel unsigned long chars_tmp; 1881caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 1882caa1f0b1SHans Wippel 1883a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 1884caa1f0b1SHans Wippel /* reset rx_bcast */ 1885caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 1886a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 1887a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 1888349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 1889349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 1890caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 1891caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 1892a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 1893a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 1894caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 1895caa1f0b1SHans Wippel return; 1896a45b3fafSHans Wippel } 1897caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 1898caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 1899caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 1900caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 1901caa1f0b1SHans Wippel vnicc = BIT(i); 1902b528965bSAlexandra Winter if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) { 1903b528965bSAlexandra Winter sup_cmds = 0; 1904b528965bSAlexandra Winter error = true; 1905b528965bSAlexandra Winter } 1906be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) && 1907be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_GET_TIMEOUT)) 1908be40a86cSAlexandra Winter card->options.vnicc.getset_timeout_sup |= vnicc; 1909be40a86cSAlexandra Winter else 1910349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 1911be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_ENABLE) && 1912be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_DISABLE)) 1913be40a86cSAlexandra Winter card->options.vnicc.set_char_sup |= vnicc; 1914be40a86cSAlexandra Winter else 1915caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 1916caa1f0b1SHans Wippel } 1917caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 1918b528965bSAlexandra Winter error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 1919349d13d5SHans Wippel timeout); 1920d1b9ae18SAlexandra Winter /* Change chars, if necessary */ 1921d1b9ae18SAlexandra Winter chars_tmp = card->options.vnicc.wanted_chars ^ 1922d1b9ae18SAlexandra Winter card->options.vnicc.cur_chars; 1923caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 1924caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 1925caa1f0b1SHans Wippel vnicc = BIT(i); 1926caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 1927caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 1928caa1f0b1SHans Wippel } 1929caa1f0b1SHans Wippel if (error) 1930caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 1931caa1f0b1SHans Wippel } 1932caa1f0b1SHans Wippel 1933caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 1934caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 1935caa1f0b1SHans Wippel { 1936caa1f0b1SHans Wippel /* characteristics values */ 1937caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 1938caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 1939349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 1940caa1f0b1SHans Wippel /* supported commands */ 1941caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 1942349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 1943caa1f0b1SHans Wippel /* settings wanted by users */ 1944caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 1945a45b3fafSHans Wippel } 1946a45b3fafSHans Wippel 19474a71df50SFrank Blaschka module_init(qeth_l2_init); 19484a71df50SFrank Blaschka module_exit(qeth_l2_exit); 19494a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 19504a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 19514a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 1952