1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 28c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 29c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 30c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 31c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 32c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 33caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 34a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 35349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 36349d13d5SHans Wippel u32 *timeout); 374a71df50SFrank Blaschka 38742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 394a71df50SFrank Blaschka { 40efbbc1d5SEugene Crosser int rc; 414a71df50SFrank Blaschka 42efbbc1d5SEugene Crosser if (retcode) 431aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 44efbbc1d5SEugene Crosser switch (retcode) { 45efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 46efbbc1d5SEugene Crosser rc = 0; 47efbbc1d5SEugene Crosser break; 48efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 49ffb95251SEugene Crosser rc = -EOPNOTSUPP; 50efbbc1d5SEugene Crosser break; 51efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 52efbbc1d5SEugene Crosser rc = -ENOSPC; 53efbbc1d5SEugene Crosser break; 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 55efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 56efbbc1d5SEugene Crosser rc = -EEXIST; 57efbbc1d5SEugene Crosser break; 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 59efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 60efbbc1d5SEugene Crosser rc = -EPERM; 61efbbc1d5SEugene Crosser break; 62efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 63efbbc1d5SEugene Crosser rc = -ENOENT; 64efbbc1d5SEugene Crosser break; 65efbbc1d5SEugene Crosser default: 66efbbc1d5SEugene Crosser rc = -EIO; 67efbbc1d5SEugene Crosser break; 684a71df50SFrank Blaschka } 69efbbc1d5SEugene Crosser return rc; 704a71df50SFrank Blaschka } 714a71df50SFrank Blaschka 72742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 73742d4d40SJulian Wiedmann struct qeth_reply *reply, 74742d4d40SJulian Wiedmann unsigned long data) 75742d4d40SJulian Wiedmann { 76742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 77742d4d40SJulian Wiedmann 78742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 79742d4d40SJulian Wiedmann } 80742d4d40SJulian Wiedmann 81ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 82ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 83ac988d78SJulian Wiedmann { 84ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 85ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 86ac988d78SJulian Wiedmann 87ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 88ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 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) { 108ac988d78SJulian Wiedmann case -EEXIST: 109ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 110ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 111ac988d78SJulian Wiedmann break; 112ac988d78SJulian Wiedmann case -EPERM: 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); 129efbbc1d5SEugene Crosser if (rc == -EEXIST) 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, 166b0abc4f5SJulian Wiedmann int ipv, int cast_type, unsigned int data_len) 1674a71df50SFrank Blaschka { 1680aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1694a71df50SFrank Blaschka 170ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1714a71df50SFrank Blaschka 1720aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1730aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1740aef8392SJulian Wiedmann } else { 1750aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 176fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 177fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 178b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, skbs_csum); 179fc69660bSJulian Wiedmann } 1800aef8392SJulian Wiedmann } 181fc69660bSJulian Wiedmann 1824a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1834a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1844a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1854a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1864a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1874a71df50SFrank Blaschka else 188ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1894a71df50SFrank Blaschka 1904a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1914a71df50SFrank Blaschka * information to be present in 1924a71df50SFrank Blaschka * the QDIO header */ 1934a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1944a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1954a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1964a71df50SFrank Blaschka } 1974a71df50SFrank Blaschka } 1984a71df50SFrank Blaschka 199742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 2004a71df50SFrank Blaschka { 2012aa48671SJulian Wiedmann if (retcode) 2022aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2032aa48671SJulian Wiedmann 2042aa48671SJulian Wiedmann switch (retcode) { 2052aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2062aa48671SJulian Wiedmann return 0; 2072aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2082aa48671SJulian Wiedmann return -EINVAL; 2092aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2102aa48671SJulian Wiedmann return -EEXIST; 2112aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2122aa48671SJulian Wiedmann return -ENOENT; 2132aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2142aa48671SJulian Wiedmann return -EPERM; 2152aa48671SJulian Wiedmann default: 2162aa48671SJulian Wiedmann return -EIO; 2172aa48671SJulian Wiedmann } 2182aa48671SJulian Wiedmann } 2192aa48671SJulian Wiedmann 2202aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2212aa48671SJulian Wiedmann struct qeth_reply *reply, 2222aa48671SJulian Wiedmann unsigned long data) 2232aa48671SJulian Wiedmann { 2242aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2254a71df50SFrank Blaschka 226847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2274a71df50SFrank Blaschka if (cmd->hdr.return_code) { 228e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2292aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 230e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 231847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2324a71df50SFrank Blaschka } 233742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2344a71df50SFrank Blaschka } 2354a71df50SFrank Blaschka 2364a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2374a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2384a71df50SFrank Blaschka { 2394a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2404a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2414a71df50SFrank Blaschka 242847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2434a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 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 { 277d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 278d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 2794a71df50SFrank Blaschka 2804a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2810f7aedbdSJulian Wiedmann 282d0c74825SJulian Wiedmann cancel_work_sync(&card->rx_mode_work); 283d0c74825SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 284d0c74825SJulian Wiedmann 2854a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 2864a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 2874a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 2884a71df50SFrank Blaschka } 2894a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 2904a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 29141c47da3SJulian Wiedmann qeth_drain_output_queues(card); 2924a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 2934a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 2944a71df50SFrank Blaschka } 295ad160872SJulian Wiedmann 2964a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 2974a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 298c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 2997bd2275cSJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3004a71df50SFrank Blaschka } 3014a71df50SFrank Blaschka 302a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 303a1c3ed4cSFrank Blaschka int budget, int *done) 3044a71df50SFrank Blaschka { 305a1c3ed4cSFrank Blaschka int work_done = 0; 3064a71df50SFrank Blaschka struct sk_buff *skb; 3074a71df50SFrank Blaschka struct qeth_hdr *hdr; 3084a71df50SFrank Blaschka unsigned int len; 3094a71df50SFrank Blaschka 310a1c3ed4cSFrank Blaschka *done = 0; 31118af5c17SStefan Raspl WARN_ON_ONCE(!budget); 312a1c3ed4cSFrank Blaschka while (budget) { 313a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 314b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 315a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 316a1c3ed4cSFrank Blaschka if (!skb) { 317a1c3ed4cSFrank Blaschka *done = 1; 318a1c3ed4cSFrank Blaschka break; 3194a71df50SFrank Blaschka } 3204a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 3214a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 3224a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 3236195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 3244a71df50SFrank Blaschka len = skb->len; 3259abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 3264a71df50SFrank Blaschka break; 3274a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 328379ac99eSJulian Wiedmann if (IS_OSN(card)) { 3294a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 3304a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 3314a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 3324a71df50SFrank Blaschka len = skb->len; 3334a71df50SFrank Blaschka card->osn_info.data_cb(skb); 3344a71df50SFrank Blaschka break; 3352d488c2fSUrsula Braun } 3362d488c2fSUrsula Braun /* else unknown */ 3374a71df50SFrank Blaschka default: 3384a71df50SFrank Blaschka dev_kfree_skb_any(skb); 339847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 3400ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 3414a71df50SFrank Blaschka continue; 3424a71df50SFrank Blaschka } 343a1c3ed4cSFrank Blaschka work_done++; 344a1c3ed4cSFrank Blaschka budget--; 345b0abc4f5SJulian Wiedmann QETH_CARD_STAT_INC(card, rx_packets); 346b0abc4f5SJulian Wiedmann QETH_CARD_STAT_ADD(card, rx_bytes, len); 3474a71df50SFrank Blaschka } 348a1c3ed4cSFrank Blaschka return work_done; 349a1c3ed4cSFrank Blaschka } 350a1c3ed4cSFrank Blaschka 3514a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 3524a71df50SFrank Blaschka { 3534a71df50SFrank Blaschka int rc = 0; 3544a71df50SFrank Blaschka 355ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 356d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 3574a71df50SFrank Blaschka 358ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 359ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 360ec61bd2fSJulian Wiedmann if (!rc) 361ec61bd2fSJulian Wiedmann goto out; 362e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 363e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 364ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 365ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 366ec61bd2fSJulian Wiedmann } 367ec61bd2fSJulian Wiedmann 368b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3694a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3704b7ae122SJulian Wiedmann if (!rc) 37121b1702aSJulian Wiedmann goto out; 372e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 373e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 3741aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 37521b1702aSJulian Wiedmann /* fall back once more: */ 3764a71df50SFrank Blaschka } 37721b1702aSJulian Wiedmann 37821b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 379379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 38021b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 38121b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 38221b1702aSJulian Wiedmann 383ec61bd2fSJulian Wiedmann out: 384ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 3854a71df50SFrank Blaschka return 0; 3864a71df50SFrank Blaschka } 3874a71df50SFrank Blaschka 388654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 389654e3d48SJulian Wiedmann { 390654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 391654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 392654e3d48SJulian Wiedmann 393654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 394654e3d48SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 395654e3d48SJulian Wiedmann } 396654e3d48SJulian Wiedmann 397e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 398e22355eaSJulian Wiedmann { 399e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 400e22355eaSJulian Wiedmann 4018024cc9eSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 402e22355eaSJulian Wiedmann return eth_validate_addr(dev); 403e22355eaSJulian Wiedmann 404e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 405e22355eaSJulian Wiedmann return -EPERM; 406e22355eaSJulian Wiedmann } 407e22355eaSJulian Wiedmann 4084a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4094a71df50SFrank Blaschka { 4104a71df50SFrank Blaschka struct sockaddr *addr = p; 411509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 412bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4134a71df50SFrank Blaschka int rc = 0; 4144a71df50SFrank Blaschka 415847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4164a71df50SFrank Blaschka 4178024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 418847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4194a71df50SFrank Blaschka return -EOPNOTSUPP; 4204a71df50SFrank Blaschka } 42199f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 422bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 423bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 424bcacfcbcSJulian Wiedmann 425bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 426bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 427bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 428e6e771b3SJulian Wiedmann return 0; 429bcacfcbcSJulian Wiedmann 430bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 4314a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 432bcacfcbcSJulian Wiedmann if (rc) 433e6e771b3SJulian Wiedmann return rc; 434bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 435bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 436bcacfcbcSJulian Wiedmann 437bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 438bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 439bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 440e6e771b3SJulian Wiedmann return 0; 4414a71df50SFrank Blaschka } 4424a71df50SFrank Blaschka 4430db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 4440db587b0SEugene Crosser { 4450db587b0SEugene Crosser struct net_device *dev = card->dev; 4460db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 4470db587b0SEugene Crosser int role; 4480db587b0SEugene Crosser int rc; 4490db587b0SEugene Crosser 4500db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 4510db587b0SEugene Crosser 4520db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 4530db587b0SEugene Crosser return; 4540db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 4550db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 4560db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 4570db587b0SEugene Crosser return; 4580db587b0SEugene Crosser 4590db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 4600db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 4610db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 4620db587b0SEugene Crosser else 4630db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4640db587b0SEugene Crosser } else 4650db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4660db587b0SEugene Crosser 4670db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 4680db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 4690db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 4700db587b0SEugene Crosser if (!rc) { 4710db587b0SEugene Crosser card->options.sbp.role = role; 4720db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 4730db587b0SEugene Crosser } 474fe5c8028SLakhvich Dmitriy 475fe5c8028SLakhvich Dmitriy } 476fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 477fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 478fe5c8028SLakhvich Dmitriy * 479fe5c8028SLakhvich Dmitriy */ 4804641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 481fe5c8028SLakhvich Dmitriy { 482cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 483fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 484fe5c8028SLakhvich Dmitriy 485cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 48699f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4875f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 488fe5c8028SLakhvich Dmitriy return; 489fe5c8028SLakhvich Dmitriy } 4900db587b0SEugene Crosser } 4910db587b0SEugene Crosser 492fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 493fe5c8028SLakhvich Dmitriy if (!mac) 494fe5c8028SLakhvich Dmitriy return; 495fe5c8028SLakhvich Dmitriy 49699f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4975f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 498fe5c8028SLakhvich Dmitriy 499cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 500fe5c8028SLakhvich Dmitriy } 501fe5c8028SLakhvich Dmitriy 502d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 5034a71df50SFrank Blaschka { 504d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 505d0c74825SJulian Wiedmann rx_mode_work); 506d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 507ccffad25SJiri Pirko struct netdev_hw_addr *ha; 508fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 509fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 510fe5c8028SLakhvich Dmitriy int i; 511fe5c8028SLakhvich Dmitriy int rc; 5124a71df50SFrank Blaschka 513847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 514fe5c8028SLakhvich Dmitriy 515d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 51622bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 5174641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 51832e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 5194641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 520d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 521fe5c8028SLakhvich Dmitriy 522fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 52300c163f1SJulian Wiedmann switch (mac->disp_flag) { 52400c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 5258174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 526fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 527fe5c8028SLakhvich Dmitriy kfree(mac); 52800c163f1SJulian Wiedmann break; 52900c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 5308174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 531fe5c8028SLakhvich Dmitriy if (rc) { 532fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 533fe5c8028SLakhvich Dmitriy kfree(mac); 53400c163f1SJulian Wiedmann break; 53500c163f1SJulian Wiedmann } 53600c163f1SJulian Wiedmann /* fall through */ 53700c163f1SJulian Wiedmann default: 53800c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 5395f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 54000c163f1SJulian Wiedmann } 541fe5c8028SLakhvich Dmitriy } 5427db2266aSFrank Blaschka 5430db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 5444a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 5450db587b0SEugene Crosser else 5460db587b0SEugene Crosser qeth_promisc_to_bridge(card); 5474a71df50SFrank Blaschka } 5484a71df50SFrank Blaschka 5497286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5507286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5517286384bSJulian Wiedmann { 55269d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 55369d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 55469d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 55569d7ce80SJulian Wiedmann unsigned int elements = 0; 55669d7ce80SJulian Wiedmann unsigned int hd_len = 0; 55769d7ce80SJulian Wiedmann int rc; 5587286384bSJulian Wiedmann 5597286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5607286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5617286384bSJulian Wiedmann 56269d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 56369d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 56469d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 56569d7ce80SJulian Wiedmann if (!hdr) 56669d7ce80SJulian Wiedmann return -ENOMEM; 56769d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 56869d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 56969d7ce80SJulian Wiedmann elements++; 57069d7ce80SJulian Wiedmann } 57169d7ce80SJulian Wiedmann 57269d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 5734e26c5feSJulian Wiedmann if (elements > queue->max_elements) { 57469d7ce80SJulian Wiedmann rc = -E2BIG; 57569d7ce80SJulian Wiedmann goto out; 57669d7ce80SJulian Wiedmann } 57769d7ce80SJulian Wiedmann 57869d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 57969d7ce80SJulian Wiedmann elements); 58069d7ce80SJulian Wiedmann out: 58169d7ce80SJulian Wiedmann if (rc && hd_len) 58269d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 58369d7ce80SJulian Wiedmann return rc; 5847286384bSJulian Wiedmann } 5857286384bSJulian Wiedmann 586e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 587e38db6beSJulian Wiedmann struct net_device *dev) 5884a71df50SFrank Blaschka { 589509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5903a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb); 591290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 5924a71df50SFrank Blaschka int tx_bytes = skb->len; 5937286384bSJulian Wiedmann int rc; 5944a71df50SFrank Blaschka 5953a18d754SJulian Wiedmann if (IS_IQD(card)) 59654a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq); 59773dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq]; 598b0abc4f5SJulian Wiedmann 5995f89eca5SJulian Wiedmann if (IS_OSN(card)) 6007286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 6015f89eca5SJulian Wiedmann else 60273dc2dafSJulian Wiedmann rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), 60358aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 60458aa2491SJulian Wiedmann qeth_l2_fill_header); 6054a71df50SFrank Blaschka 6064a71df50SFrank Blaschka if (!rc) { 607b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_packets); 608b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_ADD(queue, tx_bytes, tx_bytes); 6097286384bSJulian Wiedmann return NETDEV_TX_OK; 61054a50941SJulian Wiedmann } 6114a71df50SFrank Blaschka 612b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 613104b4859SJulian Wiedmann kfree_skb(skb); 6144a71df50SFrank Blaschka return NETDEV_TX_OK; 6154a71df50SFrank Blaschka } 6164a71df50SFrank Blaschka 6173a18d754SJulian Wiedmann static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, 6183a18d754SJulian Wiedmann struct net_device *sb_dev) 6193a18d754SJulian Wiedmann { 62073dc2dafSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 62173dc2dafSJulian Wiedmann 62273dc2dafSJulian Wiedmann if (IS_IQD(card)) 62373dc2dafSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, 62458aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 6253a18d754SJulian Wiedmann sb_dev); 62673dc2dafSJulian Wiedmann return qeth_get_priority_queue(card, skb); 6273a18d754SJulian Wiedmann } 6283a18d754SJulian Wiedmann 6292d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 6302d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 6312d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 6322d2ebb3eSJulian Wiedmann }; 6332d2ebb3eSJulian Wiedmann 6344a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 6354a71df50SFrank Blaschka { 6364a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 6379111e788SUrsula Braun int rc; 6384a71df50SFrank Blaschka 63912b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 64012b409ddSJulian Wiedmann 6412d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 6429111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 6439111e788SUrsula Braun if (rc) 6449111e788SUrsula Braun return rc; 6452d2ebb3eSJulian Wiedmann } 6465fc692a7SJulian Wiedmann 647fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 648d0c74825SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 6494a71df50SFrank Blaschka return 0; 6504a71df50SFrank Blaschka } 6514a71df50SFrank Blaschka 6524a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6534a71df50SFrank Blaschka { 6544a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6554a71df50SFrank Blaschka 6562d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 657b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 658f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6594a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6604a71df50SFrank Blaschka 66170919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 6624a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 663c2780c1aSJulian Wiedmann 664c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 66530356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 6664a71df50SFrank Blaschka unregister_netdev(card->dev); 6674a71df50SFrank Blaschka } 6684a71df50SFrank Blaschka 669d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 670d0c74825SJulian Wiedmann { 671d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 672d0c74825SJulian Wiedmann 673d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 674d0c74825SJulian Wiedmann } 675d0c74825SJulian Wiedmann 6763d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 677e22355eaSJulian Wiedmann .ndo_open = qeth_open, 678e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 679b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6808403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6816d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 6823a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 683e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 684fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 685942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 6868403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 6878403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 6888403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 6898403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 6908f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 6918f43fb00SThomas Richter .ndo_set_features = qeth_set_features 6928403b13cSFrank Blaschka }; 6938403b13cSFrank Blaschka 6948024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 6958024cc9eSJulian Wiedmann .ndo_open = qeth_open, 6968024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 6978024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6988024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 6998024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 7008024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 7018024cc9eSJulian Wiedmann }; 7028024cc9eSJulian Wiedmann 7039fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 7044a71df50SFrank Blaschka { 705d3d1b205SJulian Wiedmann int rc; 7064a71df50SFrank Blaschka 7078024cc9eSJulian Wiedmann if (IS_OSN(card)) { 7088024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 70925e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 7108024cc9eSJulian Wiedmann goto add_napi; 7118024cc9eSJulian Wiedmann } 7128024cc9eSJulian Wiedmann 7135f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 7148024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 7158024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 7169400c53fSJulian Wiedmann 7175fc692a7SJulian Wiedmann if (IS_OSM(card)) { 7189400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 7195fc692a7SJulian Wiedmann } else { 7205fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 7215fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 722f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 7235fc692a7SJulian Wiedmann } 7240f342945SJulian Wiedmann 725379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 7266d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 7278f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 7289bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 7298f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 7309bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 7319bdc4411SHans Wippel } 7324d7def2aSThomas Richter } 733571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 734571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 735571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 736571f9dd8SKittipon Meesompop } 737d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 738d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 739d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 740d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 741d7e6ed97SKittipon Meesompop } 7420aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 7430aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 7440aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 7450aef8392SJulian Wiedmann } 7460aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 7470aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 7480aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 7490aef8392SJulian Wiedmann } 7500aef8392SJulian Wiedmann 7510aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 7520aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 7530aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 7540aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 7550aef8392SJulian Wiedmann } 7560d6f02d3SJulian Wiedmann 7578024cc9eSJulian Wiedmann add_napi: 758d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 759d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 7609fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 7619fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 7629fae5c3bSJulian Wiedmann 763d3d1b205SJulian Wiedmann if (rc) 764d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 765d3d1b205SJulian Wiedmann return rc; 7664a71df50SFrank Blaschka } 7674a71df50SFrank Blaschka 7684d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 7694d7def2aSThomas Richter { 7704d7def2aSThomas Richter /* configure isolation level */ 7714d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 7724d7def2aSThomas Richter return -ENODEV; 7734d7def2aSThomas Richter return 0; 7744d7def2aSThomas Richter } 7754d7def2aSThomas Richter 776521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 777521c10eaSJulian Wiedmann { 778a45b3fafSHans Wippel /* Set BridgePort features */ 779a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 780521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 781521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 782a45b3fafSHans Wippel /* VNIC Characteristics features */ 783a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 784a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 785a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 786521c10eaSJulian Wiedmann } 787521c10eaSJulian Wiedmann 788d4560150SJulian Wiedmann static int qeth_l2_set_online(struct ccwgroup_device *gdev) 7894a71df50SFrank Blaschka { 7904a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 791fa3d2e60SJulian Wiedmann struct net_device *dev = card->dev; 7924a71df50SFrank Blaschka int rc = 0; 7939fae5c3bSJulian Wiedmann bool carrier_ok; 7944a71df50SFrank Blaschka 7959dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 796c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 797d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 798d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 7994a71df50SFrank Blaschka 8009fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 8014a71df50SFrank Blaschka if (rc) { 8021aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 803aa909224SUrsula Braun rc = -ENODEV; 8044a71df50SFrank Blaschka goto out_remove; 8054a71df50SFrank Blaschka } 806654e3d48SJulian Wiedmann 8071da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 8081da74b1cSFrank Blaschka if (card->info.hwtrap && 8091da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 8101da74b1cSFrank Blaschka card->info.hwtrap = 0; 8111da74b1cSFrank Blaschka } else 8121da74b1cSFrank Blaschka card->info.hwtrap = 0; 8131da74b1cSFrank Blaschka 814d7ef489fSJulian Wiedmann qeth_bridgeport_query_support(card); 815d7ef489fSJulian Wiedmann if (card->options.sbp.supported_funcs) 816d7ef489fSJulian Wiedmann dev_info(&card->gdev->dev, 817d7ef489fSJulian Wiedmann "The device represents a Bridge Capable Port\n"); 818d7ef489fSJulian Wiedmann 819d7ef489fSJulian Wiedmann qeth_l2_register_dev_addr(card); 820d7ef489fSJulian Wiedmann 821a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 822a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 823a45b3fafSHans Wippel 824a45b3fafSHans Wippel qeth_trace_features(card); 825a45b3fafSHans Wippel qeth_l2_trace_features(card); 826a45b3fafSHans Wippel 827b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 828b4d72c08SEugene Crosser 8294a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 8304a71df50SFrank Blaschka qeth_print_status_message(card); 8314a71df50SFrank Blaschka 8324a71df50SFrank Blaschka /* softsetup */ 833d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 8344a71df50SFrank Blaschka 835379ac99eSJulian Wiedmann if (IS_OSD(card) || IS_OSX(card)) { 8368f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 8378f43fb00SThomas Richter if (rc) 8380f54761dSStefan Raspl goto out_remove; 8390f54761dSStefan Raspl } 8405113fec0SUrsula Braun 8414a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 8424a71df50SFrank Blaschka if (rc) { 843d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 844aa909224SUrsula Braun rc = -ENODEV; 8454a71df50SFrank Blaschka goto out_remove; 8464a71df50SFrank Blaschka } 8474a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 8484a71df50SFrank Blaschka 8494a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 850d025da9eSJulian Wiedmann 851fa3d2e60SJulian Wiedmann if (!qeth_netdev_is_registered(dev)) { 852fa3d2e60SJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 853fa3d2e60SJulian Wiedmann if (rc) 854fa3d2e60SJulian Wiedmann goto out_remove; 8554a71df50SFrank Blaschka } else { 8564a71df50SFrank Blaschka rtnl_lock(); 857fa3d2e60SJulian Wiedmann if (carrier_ok) 858fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 859fa3d2e60SJulian Wiedmann else 860fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 861fa3d2e60SJulian Wiedmann 862e6e771b3SJulian Wiedmann netif_device_attach(dev); 863fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 864fa3d2e60SJulian Wiedmann 865d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 866d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 867fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 868fa3d2e60SJulian Wiedmann } 869fa3d2e60SJulian Wiedmann rtnl_unlock(); 8704a71df50SFrank Blaschka } 8714a71df50SFrank Blaschka /* let user_space know that device is online */ 8724a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 873c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8749dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 8754a71df50SFrank Blaschka return 0; 876aa909224SUrsula Braun 8774a71df50SFrank Blaschka out_remove: 878d4560150SJulian Wiedmann qeth_l2_stop_card(card); 8794a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 8804a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 8814a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 88222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 883d7d543f2SJulian Wiedmann 884c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8859dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 886aa909224SUrsula Braun return rc; 8874a71df50SFrank Blaschka } 8884a71df50SFrank Blaschka 8894a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 8904a71df50SFrank Blaschka int recovery_mode) 8914a71df50SFrank Blaschka { 8924a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8934a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 8944a71df50SFrank Blaschka 8959dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 896c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 897d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 898d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 8994a71df50SFrank Blaschka 900d7ef489fSJulian Wiedmann if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 901d7ef489fSJulian Wiedmann qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 902d7ef489fSJulian Wiedmann card->info.hwtrap = 1; 903d7ef489fSJulian Wiedmann } 904d7ef489fSJulian Wiedmann 905e6e771b3SJulian Wiedmann rtnl_lock(); 906d7d543f2SJulian Wiedmann card->info.open_when_online = card->dev->flags & IFF_UP; 907d4560150SJulian Wiedmann dev_close(card->dev); 908e6e771b3SJulian Wiedmann netif_device_detach(card->dev); 9094a71df50SFrank Blaschka netif_carrier_off(card->dev); 910e6e771b3SJulian Wiedmann rtnl_unlock(); 911e6e771b3SJulian Wiedmann 912d4560150SJulian Wiedmann qeth_l2_stop_card(card); 9134a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 9144a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 9154a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 9164a71df50SFrank Blaschka if (!rc) 9174a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 9184a71df50SFrank Blaschka if (rc) 919d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 92022ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 921d7d543f2SJulian Wiedmann 9224a71df50SFrank Blaschka /* let user_space know that device is offline */ 9234a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 924c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 9259dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 9264a71df50SFrank Blaschka return 0; 9274a71df50SFrank Blaschka } 9284a71df50SFrank Blaschka 9294a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 9304a71df50SFrank Blaschka { 9314a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 9324a71df50SFrank Blaschka } 9334a71df50SFrank Blaschka 9344a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 9354a71df50SFrank Blaschka { 9364a71df50SFrank Blaschka struct qeth_card *card; 9374a71df50SFrank Blaschka int rc = 0; 9384a71df50SFrank Blaschka 9394a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 940847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 9414a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 9424a71df50SFrank Blaschka return 0; 943847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 94474eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 94574eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 9464a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 947d4560150SJulian Wiedmann rc = qeth_l2_set_online(card->gdev); 9484a71df50SFrank Blaschka if (!rc) 94974eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 95074eacdb9SFrank Blaschka "Device successfully recovered!\n"); 95128a7e4c9SUrsula Braun else { 952bf42d40bSJulian Wiedmann ccwgroup_set_offline(card->gdev); 95374eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 95474eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 95528a7e4c9SUrsula Braun } 956a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 957a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 9584a71df50SFrank Blaschka return 0; 9594a71df50SFrank Blaschka } 9604a71df50SFrank Blaschka 9614a71df50SFrank Blaschka static int __init qeth_l2_init(void) 9624a71df50SFrank Blaschka { 96374eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 9644a71df50SFrank Blaschka return 0; 9654a71df50SFrank Blaschka } 9664a71df50SFrank Blaschka 9674a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 9684a71df50SFrank Blaschka { 96974eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 9704a71df50SFrank Blaschka } 9714a71df50SFrank Blaschka 972bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 973bbcfcdc8SFrank Blaschka { 974bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 975bbcfcdc8SFrank Blaschka 976bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 977bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 978bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 979bbcfcdc8SFrank Blaschka return 0; 98062ca98d4SJulian Wiedmann 98162ca98d4SJulian Wiedmann qeth_l2_set_offline(gdev); 982bbcfcdc8SFrank Blaschka return 0; 983bbcfcdc8SFrank Blaschka } 984bbcfcdc8SFrank Blaschka 985bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 986bbcfcdc8SFrank Blaschka { 987bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 988d4560150SJulian Wiedmann int rc; 989bbcfcdc8SFrank Blaschka 990d4560150SJulian Wiedmann rc = qeth_l2_set_online(gdev); 9916585ac4eSJulian Wiedmann 992bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 993bbcfcdc8SFrank Blaschka if (rc) 994bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 995bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 996bbcfcdc8SFrank Blaschka return rc; 997bbcfcdc8SFrank Blaschka } 998bbcfcdc8SFrank Blaschka 999c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1000c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1001c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1002c044dc21SEugene Crosser { 1003c044dc21SEugene Crosser switch (cmd->hdr.command) { 10049c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 10059c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1006c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1007c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1008c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1009c044dc21SEugene Crosser return 0; 1010c044dc21SEugene Crosser } else 1011c044dc21SEugene Crosser return 1; 1012c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1013c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1014c044dc21SEugene Crosser return 0; 1015c044dc21SEugene Crosser default: 1016c044dc21SEugene Crosser return 1; 1017c044dc21SEugene Crosser } 1018c044dc21SEugene Crosser } 1019c044dc21SEugene Crosser 1020c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 10212d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1022d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1023c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1024c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 10254a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 10264a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 10274a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1028bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1029bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1030bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1031942d6984SJulian Wiedmann .do_ioctl = NULL, 1032c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 10334a71df50SFrank Blaschka }; 1034c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 10354a71df50SFrank Blaschka 10364a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 10374a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 10384a71df50SFrank Blaschka { 1039750b1625SJulian Wiedmann struct qeth_channel *channel = iob->channel; 10404a71df50SFrank Blaschka int rc = 0; 10414a71df50SFrank Blaschka 1042847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 10434a71df50SFrank Blaschka 1044782e4a79SJulian Wiedmann wait_event(card->wait_q, qeth_trylock_channel(channel)); 104548ce6f89SJulian Wiedmann iob->finalize(card, iob, len); 104648ce6f89SJulian Wiedmann QETH_DBF_HEX(CTRL, 2, iob->data, min(len, QETH_DBF_CTRL_LEN)); 1047847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 1048ed47155bSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); 1049f15cdaf2SJulian Wiedmann rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, 1050782e4a79SJulian Wiedmann (addr_t) iob, 0, 0, iob->timeout); 1051ed47155bSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); 10524a71df50SFrank Blaschka if (rc) { 105314cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 10544a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1055847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 1056750b1625SJulian Wiedmann qeth_release_buffer(channel, iob); 1057750b1625SJulian Wiedmann atomic_set(&channel->irq_pending, 0); 10584a71df50SFrank Blaschka wake_up(&card->wait_q); 10594a71df50SFrank Blaschka } 10604a71df50SFrank Blaschka return rc; 10614a71df50SFrank Blaschka } 10624a71df50SFrank Blaschka 10634a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 1064c2153277SJulian Wiedmann struct qeth_cmd_buffer *iob) 10654a71df50SFrank Blaschka { 1066c2153277SJulian Wiedmann u16 length; 10674a71df50SFrank Blaschka 1068847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 10694a71df50SFrank Blaschka 1070c2153277SJulian Wiedmann memcpy(&length, QETH_IPA_PDU_LEN_TOTAL(iob->data), 2); 1071c2153277SJulian Wiedmann return qeth_osn_send_control_data(card, length, iob); 10724a71df50SFrank Blaschka } 10734a71df50SFrank Blaschka 10744a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 10754a71df50SFrank Blaschka { 10764a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 10774a71df50SFrank Blaschka struct qeth_card *card; 10784a71df50SFrank Blaschka 10794a71df50SFrank Blaschka if (!dev) 10804a71df50SFrank Blaschka return -ENODEV; 1081509e2562SHeiko Carstens card = dev->ml_priv; 10824a71df50SFrank Blaschka if (!card) 10834a71df50SFrank Blaschka return -ENODEV; 1084847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1085c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 10864a71df50SFrank Blaschka return -ENODEV; 10874a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1088c2153277SJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len); 1089ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1090c2153277SJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob); 10914a71df50SFrank Blaschka } 10924a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 10934a71df50SFrank Blaschka 10944a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 10954a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 10964a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 10974a71df50SFrank Blaschka { 10984a71df50SFrank Blaschka struct qeth_card *card; 1099d7d18da1SJulian Wiedmann char bus_id[16]; 1100d7d18da1SJulian Wiedmann u16 devno; 11014a71df50SFrank Blaschka 1102d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1103d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1104d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1105d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 11064a71df50SFrank Blaschka return -ENODEV; 1107d7d18da1SJulian Wiedmann *dev = card->dev; 1108d7d18da1SJulian Wiedmann 1109847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 11104a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 11114a71df50SFrank Blaschka return -EINVAL; 11124a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 11134a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 11144a71df50SFrank Blaschka return 0; 11154a71df50SFrank Blaschka } 11164a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 11174a71df50SFrank Blaschka 11184a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 11194a71df50SFrank Blaschka { 11204a71df50SFrank Blaschka struct qeth_card *card; 11214a71df50SFrank Blaschka 11224a71df50SFrank Blaschka if (!dev) 11234a71df50SFrank Blaschka return; 1124509e2562SHeiko Carstens card = dev->ml_priv; 11254a71df50SFrank Blaschka if (!card) 11264a71df50SFrank Blaschka return; 1127847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 11284a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 11294a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 11304a71df50SFrank Blaschka return; 11314a71df50SFrank Blaschka } 11324a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 11334a71df50SFrank Blaschka 1134b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1135b4d72c08SEugene Crosser 11369f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 11379f48b9dbSEugene Crosser 11389f48b9dbSEugene Crosser /** 11399f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 11409f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 11419f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 11429f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 11439f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 11449f48b9dbSEugene Crosser * object, 0 - addition of an object. 11459f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 11469f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 11479f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 11489f48b9dbSEugene Crosser * 11499f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 11509f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 11519f48b9dbSEugene Crosser * for all currently registered addresses. 11529f48b9dbSEugene Crosser */ 11539f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 11549f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 11559f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 11569f48b9dbSEugene Crosser { 11579f48b9dbSEugene Crosser char str[7][32]; 11589f48b9dbSEugene Crosser char *env[8]; 11599f48b9dbSEugene Crosser int i = 0; 11609f48b9dbSEugene Crosser 11619f48b9dbSEugene Crosser switch (evtype) { 11629f48b9dbSEugene Crosser case anev_reg_unreg: 11639f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 11649f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 11659f48b9dbSEugene Crosser ? "deregister" : "register"); 11669f48b9dbSEugene Crosser env[i] = str[i]; i++; 11679f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 11689f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 11699f48b9dbSEugene Crosser addr_lnid->lnid); 11709f48b9dbSEugene Crosser env[i] = str[i]; i++; 11719f48b9dbSEugene Crosser } 11729f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 11739846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 11749846e70bSEugene Crosser addr_lnid->mac); 11759f48b9dbSEugene Crosser env[i] = str[i]; i++; 11769f48b9dbSEugene Crosser } 11779f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 11789f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 11799f48b9dbSEugene Crosser env[i] = str[i]; i++; 11809f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 11819f48b9dbSEugene Crosser env[i] = str[i]; i++; 11829f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 11839f48b9dbSEugene Crosser token->chpid); 11849f48b9dbSEugene Crosser env[i] = str[i]; i++; 11859f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 11869f48b9dbSEugene Crosser env[i] = str[i]; i++; 11879f48b9dbSEugene Crosser break; 11889f48b9dbSEugene Crosser case anev_abort: 11899f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 11909f48b9dbSEugene Crosser env[i] = str[i]; i++; 11919f48b9dbSEugene Crosser break; 11929f48b9dbSEugene Crosser case anev_reset: 11939f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 11949f48b9dbSEugene Crosser env[i] = str[i]; i++; 11959f48b9dbSEugene Crosser break; 11969f48b9dbSEugene Crosser } 11979f48b9dbSEugene Crosser env[i] = NULL; 11989f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 11999f48b9dbSEugene Crosser } 12009f48b9dbSEugene Crosser 1201b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1202b4d72c08SEugene Crosser struct work_struct worker; 1203b4d72c08SEugene Crosser struct qeth_card *card; 1204b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1205b4d72c08SEugene Crosser }; 1206b4d72c08SEugene Crosser 1207b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1208b4d72c08SEugene Crosser { 1209b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1210b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1211b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1212b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1213b4d72c08SEugene Crosser char env_locrem[32]; 1214b4d72c08SEugene Crosser char env_role[32]; 1215b4d72c08SEugene Crosser char env_state[32]; 1216b4d72c08SEugene Crosser char *env[] = { 1217b4d72c08SEugene Crosser env_locrem, 1218b4d72c08SEugene Crosser env_role, 1219b4d72c08SEugene Crosser env_state, 1220b4d72c08SEugene Crosser NULL 1221b4d72c08SEugene Crosser }; 1222b4d72c08SEugene Crosser 1223b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1224b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1225b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1226b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1227b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1228b4d72c08SEugene Crosser 1229b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1230b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1231b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1232b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1233b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1234b4d72c08SEugene Crosser "<INVALID>"); 1235b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1236b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1237b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1238b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1239b4d72c08SEugene Crosser "<INVALID>"); 1240b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1241b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1242b4d72c08SEugene Crosser kfree(data); 1243b4d72c08SEugene Crosser } 1244b4d72c08SEugene Crosser 1245c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1246c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1247b4d72c08SEugene Crosser { 1248b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1249b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1250b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1251b4d72c08SEugene Crosser int extrasize; 1252b4d72c08SEugene Crosser 1253b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1254b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 12558a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1256b4d72c08SEugene Crosser return; 1257b4d72c08SEugene Crosser } 1258b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1259b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1260b4d72c08SEugene Crosser GFP_ATOMIC); 1261b4d72c08SEugene Crosser if (!data) { 1262b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1263b4d72c08SEugene Crosser return; 1264b4d72c08SEugene Crosser } 1265b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1266b4d72c08SEugene Crosser data->card = card; 1267b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1268b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1269c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1270b4d72c08SEugene Crosser } 1271b4d72c08SEugene Crosser 12729f48b9dbSEugene Crosser struct qeth_bridge_host_data { 12739f48b9dbSEugene Crosser struct work_struct worker; 12749f48b9dbSEugene Crosser struct qeth_card *card; 12759f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 12769f48b9dbSEugene Crosser }; 12779f48b9dbSEugene Crosser 12789f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 12799f48b9dbSEugene Crosser { 12809f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 12819f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 12829f48b9dbSEugene Crosser int i; 12839f48b9dbSEugene Crosser 12849f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 12859f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 12869c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 12879f48b9dbSEugene Crosser data->card->dev->name, 12889f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 12899f48b9dbSEugene Crosser ? "Overflow" 12909f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 12919f48b9dbSEugene Crosser ? "Bridge port state change" 12929f48b9dbSEugene Crosser : "Unknown reason"); 12939f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 12949f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 12959f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 12969f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 12979f48b9dbSEugene Crosser 0, NULL, NULL); 12989f48b9dbSEugene Crosser } else 12999f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 13009f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 13019f48b9dbSEugene Crosser &data->hostevs.entry[i]; 13029f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 13039f48b9dbSEugene Crosser anev_reg_unreg, 13049f48b9dbSEugene Crosser entry->change_code, 13059f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 13069f48b9dbSEugene Crosser } 13079f48b9dbSEugene Crosser kfree(data); 13089f48b9dbSEugene Crosser } 13099f48b9dbSEugene Crosser 1310c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1311c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 13129f48b9dbSEugene Crosser { 13139f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 13149f48b9dbSEugene Crosser &cmd->data.addrchange; 13159f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 13169f48b9dbSEugene Crosser int extrasize; 13179f48b9dbSEugene Crosser 13189f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 13199f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 13209f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 13219f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 13229f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 13239f48b9dbSEugene Crosser } else { 13249f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 13259f48b9dbSEugene Crosser cmd->hdr.return_code); 13269f48b9dbSEugene Crosser return; 13279f48b9dbSEugene Crosser } 13289f48b9dbSEugene Crosser } 13299f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 13309f48b9dbSEugene Crosser hostevs->num_entries; 13319f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 13329f48b9dbSEugene Crosser GFP_ATOMIC); 13339f48b9dbSEugene Crosser if (!data) { 13349f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 13359f48b9dbSEugene Crosser return; 13369f48b9dbSEugene Crosser } 13379f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 13389f48b9dbSEugene Crosser data->card = card; 13399f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 13409f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1341c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 13429f48b9dbSEugene Crosser } 13439f48b9dbSEugene Crosser 1344b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1345b4d72c08SEugene Crosser 1346b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1347b4d72c08SEugene Crosser union { 1348b4d72c08SEugene Crosser u32 supported; 1349b4d72c08SEugene Crosser struct { 1350b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1351b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1352b4d72c08SEugene Crosser } qports; 1353b4d72c08SEugene Crosser } data; 1354b4d72c08SEugene Crosser }; 1355b4d72c08SEugene Crosser 1356b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 13571709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1358b4d72c08SEugene Crosser { 13591709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 13601709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 13611709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 13621709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1363b4d72c08SEugene Crosser int rc; 1364b4d72c08SEugene Crosser 13651709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 13661709ff8dSJulian Wiedmann return 0; 13671709ff8dSJulian Wiedmann 13681709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 13691709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 13701709ff8dSJulian Wiedmann switch (sbp_rc) { 13712063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1372b4d72c08SEugene Crosser rc = 0; 1373b4d72c08SEugene Crosser break; 13742063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 13752063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1376ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1377b4d72c08SEugene Crosser break; 13782063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 13792063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1380b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1381b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13829c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1383b4d72c08SEugene Crosser break; 13842063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 13852063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 13861b05cf62SEugene Crosser rc = -EPERM; 13871b05cf62SEugene Crosser dev_err(&card->gdev->dev, 13881b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 13891b05cf62SEugene Crosser break; 13902063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 13912063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1392b4d72c08SEugene Crosser switch (setcmd) { 1393b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1394b4d72c08SEugene Crosser rc = -EEXIST; 1395b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13969c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1397b4d72c08SEugene Crosser break; 1398b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1399b4d72c08SEugene Crosser rc = -EBUSY; 1400b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14019c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1402b4d72c08SEugene Crosser break; 1403b4d72c08SEugene Crosser default: 1404b4d72c08SEugene Crosser rc = -EIO; 1405b4d72c08SEugene Crosser } 1406b4d72c08SEugene Crosser break; 14072063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 14082063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1409b4d72c08SEugene Crosser rc = -EBUSY; 1410b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14119c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1412b4d72c08SEugene Crosser break; 14132063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 14142063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1415b4d72c08SEugene Crosser rc = -EEXIST; 1416b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14179c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1418b4d72c08SEugene Crosser break; 14192063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 14202063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1421b4d72c08SEugene Crosser rc = -EBUSY; 1422b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14239c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1424b4d72c08SEugene Crosser break; 14252063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 14262063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1427b4d72c08SEugene Crosser rc = -EACCES; 1428b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14299c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1430b4d72c08SEugene Crosser break; 1431b4d72c08SEugene Crosser default: 1432b4d72c08SEugene Crosser rc = -EIO; 1433b4d72c08SEugene Crosser } 14341709ff8dSJulian Wiedmann } else { 14351709ff8dSJulian Wiedmann switch (ipa_rc) { 1436b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1437ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1438b4d72c08SEugene Crosser break; 1439b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1440ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1441b4d72c08SEugene Crosser break; 1442b4d72c08SEugene Crosser default: 1443b4d72c08SEugene Crosser rc = -EIO; 1444b4d72c08SEugene Crosser } 14451709ff8dSJulian Wiedmann } 14469c23f4daSEugene Crosser 1447b4d72c08SEugene Crosser if (rc) { 14481709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 14491709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1450b4d72c08SEugene Crosser } 1451b4d72c08SEugene Crosser return rc; 1452b4d72c08SEugene Crosser } 1453b4d72c08SEugene Crosser 1454d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1455d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1456d65626adSJulian Wiedmann unsigned int cmd_length) 14579c23f4daSEugene Crosser { 1458379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 14599c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1460d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1461d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1462d65626adSJulian Wiedmann 1463d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1464d65626adSJulian Wiedmann if (!iob) 1465d65626adSJulian Wiedmann return iob; 1466ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1467d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1468d65626adSJulian Wiedmann cmd_length; 1469d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1470d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1471d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1472d65626adSJulian Wiedmann return iob; 14739c23f4daSEugene Crosser } 14749c23f4daSEugene Crosser 1475b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1476b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1477b4d72c08SEugene Crosser { 1478b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1479b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 14801709ff8dSJulian Wiedmann int rc; 14811709ff8dSJulian Wiedmann 1482b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 14831709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 14841709ff8dSJulian Wiedmann if (rc) 14851709ff8dSJulian Wiedmann return rc; 14861709ff8dSJulian Wiedmann 1487b4d72c08SEugene Crosser cbctl->data.supported = 1488b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1489b4d72c08SEugene Crosser return 0; 1490b4d72c08SEugene Crosser } 1491b4d72c08SEugene Crosser 1492b4d72c08SEugene Crosser /** 1493b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1494b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1495b4d72c08SEugene Crosser * 1496b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1497b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1498b4d72c08SEugene Crosser */ 1499c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1500b4d72c08SEugene Crosser { 1501b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1502b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1503b4d72c08SEugene Crosser 1504b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1505d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1506d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 15071aec42bcSThomas Richter if (!iob) 15081aec42bcSThomas Richter return; 15091709ff8dSJulian Wiedmann 1510b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 15111709ff8dSJulian Wiedmann &cbctl)) { 1512b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 15131709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1514b4d72c08SEugene Crosser return; 1515b4d72c08SEugene Crosser } 1516b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1517b4d72c08SEugene Crosser } 1518b4d72c08SEugene Crosser 1519b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1520b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1521b4d72c08SEugene Crosser { 1522b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1523b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1524b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 15251709ff8dSJulian Wiedmann int rc; 1526b4d72c08SEugene Crosser 1527b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 15281709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 15291709ff8dSJulian Wiedmann if (rc) 15301709ff8dSJulian Wiedmann return rc; 15311709ff8dSJulian Wiedmann 1532b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1533b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 15341709ff8dSJulian Wiedmann return -EINVAL; 1535b4d72c08SEugene Crosser } 1536b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1537b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1538b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1539b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1540b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1541b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1542b4d72c08SEugene Crosser } 1543b4d72c08SEugene Crosser return 0; 1544b4d72c08SEugene Crosser } 1545b4d72c08SEugene Crosser 1546b4d72c08SEugene Crosser /** 1547b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1548b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1549b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1550b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1551b4d72c08SEugene Crosser * 1552b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1553b4d72c08SEugene Crosser * 1554b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1555b4d72c08SEugene Crosser */ 1556b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1557b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1558b4d72c08SEugene Crosser { 1559b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1560b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1561b4d72c08SEugene Crosser .data = { 1562b4d72c08SEugene Crosser .qports = { 1563b4d72c08SEugene Crosser .role = role, 1564b4d72c08SEugene Crosser .state = state, 1565b4d72c08SEugene Crosser }, 1566b4d72c08SEugene Crosser }, 1567b4d72c08SEugene Crosser }; 1568b4d72c08SEugene Crosser 1569b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1570b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1571b4d72c08SEugene Crosser return -EOPNOTSUPP; 1572d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 15731aec42bcSThomas Richter if (!iob) 15741aec42bcSThomas Richter return -ENOMEM; 15751709ff8dSJulian Wiedmann 15761709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 15771709ff8dSJulian Wiedmann &cbctl); 1578b4d72c08SEugene Crosser } 1579b4d72c08SEugene Crosser 1580b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1581b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1582b4d72c08SEugene Crosser { 1583b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 15841709ff8dSJulian Wiedmann 1585b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 15861709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1587b4d72c08SEugene Crosser } 1588b4d72c08SEugene Crosser 1589b4d72c08SEugene Crosser /** 1590b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1591b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1592b4d72c08SEugene Crosser * @role: Role to assign. 1593b4d72c08SEugene Crosser * 1594b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1595b4d72c08SEugene Crosser */ 1596b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1597b4d72c08SEugene Crosser { 1598b4d72c08SEugene Crosser int cmdlength; 1599b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1600b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1601b4d72c08SEugene Crosser 1602b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1603b4d72c08SEugene Crosser switch (role) { 1604b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1605b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1606d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1607b4d72c08SEugene Crosser break; 1608b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1609b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1610d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1611b4d72c08SEugene Crosser break; 1612b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1613b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1614d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1615b4d72c08SEugene Crosser break; 1616b4d72c08SEugene Crosser default: 1617b4d72c08SEugene Crosser return -EINVAL; 1618b4d72c08SEugene Crosser } 1619b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1620b4d72c08SEugene Crosser return -EOPNOTSUPP; 1621d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 16221aec42bcSThomas Richter if (!iob) 16231aec42bcSThomas Richter return -ENOMEM; 16241709ff8dSJulian Wiedmann 16251709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1626b4d72c08SEugene Crosser } 1627b4d72c08SEugene Crosser 16289f48b9dbSEugene Crosser /** 16299f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 16309f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 16319f48b9dbSEugene Crosser * 16329f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 16339f48b9dbSEugene Crosser */ 16349f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 16359f48b9dbSEugene Crosser { 16369f48b9dbSEugene Crosser int rc; 16379f48b9dbSEugene Crosser 16389f48b9dbSEugene Crosser if (pnso_rc == 0) 16399f48b9dbSEugene Crosser switch (response) { 16409f48b9dbSEugene Crosser case 0x0001: 16419f48b9dbSEugene Crosser rc = 0; 16429f48b9dbSEugene Crosser break; 16439f48b9dbSEugene Crosser case 0x0004: 16449f48b9dbSEugene Crosser case 0x0100: 16459f48b9dbSEugene Crosser case 0x0106: 1646ffb95251SEugene Crosser rc = -EOPNOTSUPP; 16479f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 16489f48b9dbSEugene Crosser "Setting address notification failed\n"); 16499f48b9dbSEugene Crosser break; 16509f48b9dbSEugene Crosser case 0x0107: 16519f48b9dbSEugene Crosser rc = -EAGAIN; 16529f48b9dbSEugene Crosser break; 16539f48b9dbSEugene Crosser default: 16549f48b9dbSEugene Crosser rc = -EIO; 16559f48b9dbSEugene Crosser } 16569f48b9dbSEugene Crosser else 16579f48b9dbSEugene Crosser rc = -EIO; 16589f48b9dbSEugene Crosser 16599f48b9dbSEugene Crosser if (rc) { 16609f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 16619f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 16629f48b9dbSEugene Crosser } 16639f48b9dbSEugene Crosser return rc; 16649f48b9dbSEugene Crosser } 16659f48b9dbSEugene Crosser 16669f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 16679f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 16689f48b9dbSEugene Crosser { 16699f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 16709f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 16719f48b9dbSEugene Crosser u8 code; 16729f48b9dbSEugene Crosser 16739f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 16749f48b9dbSEugene Crosser WARN_ON_ONCE(1); 16759f48b9dbSEugene Crosser return; 16769f48b9dbSEugene Crosser } 16779f48b9dbSEugene Crosser 16789f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 16799f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 168033572619SAlexandra Winter if (l2entry->addr_lnid.lnid < VLAN_N_VID) 16819f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 16829f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 16839f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 16849f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 16859f48b9dbSEugene Crosser } 16869f48b9dbSEugene Crosser 16879f48b9dbSEugene Crosser /** 16889f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 16899f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 16909f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 16919f48b9dbSEugene Crosser * 16929f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 16939f48b9dbSEugene Crosser * 16949f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 16959f48b9dbSEugene Crosser * currently registered hosts. 16969f48b9dbSEugene Crosser */ 16979f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 16989f48b9dbSEugene Crosser { 16999f48b9dbSEugene Crosser int rc; 17009f48b9dbSEugene Crosser u16 response; 17019f48b9dbSEugene Crosser struct ccw_device *ddev; 17029f48b9dbSEugene Crosser struct subchannel_id schid; 17039f48b9dbSEugene Crosser 17049f48b9dbSEugene Crosser if (!card) 17059f48b9dbSEugene Crosser return -EINVAL; 17069f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 17079f48b9dbSEugene Crosser return -EOPNOTSUPP; 17089f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 17099f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 17109f48b9dbSEugene Crosser 17119f48b9dbSEugene Crosser if (enable) { 17129f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 17139f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 17149f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 17159f48b9dbSEugene Crosser } else 17169f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 17179f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 17189f48b9dbSEugene Crosser } 17199f48b9dbSEugene Crosser 1720caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1721caa1f0b1SHans Wippel { 1722caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1723caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1724caa1f0b1SHans Wippel } 1725caa1f0b1SHans Wippel 1726a45b3fafSHans Wippel /* VNIC Characteristics support */ 1727a45b3fafSHans Wippel 1728a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1729742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1730a45b3fafSHans Wippel { 1731a45b3fafSHans Wippel int rc; 1732a45b3fafSHans Wippel 1733a45b3fafSHans Wippel switch (ipa_rc) { 1734a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1735a45b3fafSHans Wippel return ipa_rc; 1736a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1737a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1738a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1739a45b3fafSHans Wippel break; 1740a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1741a45b3fafSHans Wippel rc = -EALREADY; 1742a45b3fafSHans Wippel break; 1743a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1744a45b3fafSHans Wippel rc = -EBUSY; 1745a45b3fafSHans Wippel break; 1746a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1747a45b3fafSHans Wippel rc = -ENOSPC; 1748a45b3fafSHans Wippel break; 1749a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1750a45b3fafSHans Wippel rc = -EACCES; 1751a45b3fafSHans Wippel break; 1752a45b3fafSHans Wippel default: 1753a45b3fafSHans Wippel rc = -EIO; 1754a45b3fafSHans Wippel } 1755a45b3fafSHans Wippel 1756a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1757a45b3fafSHans Wippel return rc; 1758a45b3fafSHans Wippel } 1759a45b3fafSHans Wippel 1760a45b3fafSHans Wippel /* generic VNICC request call back control */ 1761a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1762a45b3fafSHans Wippel u32 sub_cmd; 1763caa1f0b1SHans Wippel struct { 1764caa1f0b1SHans Wippel u32 vnic_char; 1765349d13d5SHans Wippel u32 timeout; 1766caa1f0b1SHans Wippel } param; 1767caa1f0b1SHans Wippel struct { 1768349d13d5SHans Wippel union{ 1769caa1f0b1SHans Wippel u32 *sup_cmds; 1770349d13d5SHans Wippel u32 *timeout; 1771349d13d5SHans Wippel }; 1772caa1f0b1SHans Wippel } result; 1773a45b3fafSHans Wippel }; 1774a45b3fafSHans Wippel 1775a45b3fafSHans Wippel /* generic VNICC request call back */ 1776a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1777a45b3fafSHans Wippel struct qeth_reply *reply, 1778a45b3fafSHans Wippel unsigned long data) 1779a45b3fafSHans Wippel { 1780caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1781caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1782a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1783a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 1784a45b3fafSHans Wippel 1785a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1786a45b3fafSHans Wippel if (cmd->hdr.return_code) 1787742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1788a45b3fafSHans Wippel /* return results to caller */ 1789a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 1790a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 1791a45b3fafSHans Wippel 1792caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 1793caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 1794caa1f0b1SHans Wippel 1795349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 1796349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 1797349d13d5SHans Wippel 1798a45b3fafSHans Wippel return 0; 1799a45b3fafSHans Wippel } 1800a45b3fafSHans Wippel 1801a45b3fafSHans Wippel /* generic VNICC request */ 1802a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 1803a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 1804a45b3fafSHans Wippel { 1805a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 1806a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1807a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 1808a45b3fafSHans Wippel 1809a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 1810a45b3fafSHans Wippel 1811a45b3fafSHans Wippel /* get new buffer for request */ 1812a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 1813a45b3fafSHans Wippel if (!iob) 1814a45b3fafSHans Wippel return -ENOMEM; 1815a45b3fafSHans Wippel 1816a45b3fafSHans Wippel /* create header for request */ 1817ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1818a45b3fafSHans Wippel req = &cmd->data.vnicc; 1819a45b3fafSHans Wippel 1820a45b3fafSHans Wippel /* create sub command header for request */ 1821a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 1822a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 1823a45b3fafSHans Wippel 1824a45b3fafSHans Wippel /* create sub command specific request fields */ 1825a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 1826a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 1827a45b3fafSHans Wippel break; 1828caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 1829caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 1830caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 1831caa1f0b1SHans Wippel break; 1832caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 1833caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 1834caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 1835caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 1836caa1f0b1SHans Wippel break; 1837349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 1838349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 1839349d13d5SHans Wippel /* fallthrough */ 1840349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 1841349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 1842349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 1843349d13d5SHans Wippel break; 1844a45b3fafSHans Wippel default: 1845a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 1846a45b3fafSHans Wippel return -EOPNOTSUPP; 1847a45b3fafSHans Wippel } 1848a45b3fafSHans Wippel 1849a45b3fafSHans Wippel /* send request */ 1850742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, cbctl); 1851a45b3fafSHans Wippel } 1852a45b3fafSHans Wippel 1853a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1854a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1855a45b3fafSHans Wippel { 1856a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1857a45b3fafSHans Wippel 1858a45b3fafSHans Wippel /* prepare callback control */ 1859a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 1860a45b3fafSHans Wippel 1861a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 1862a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1863a45b3fafSHans Wippel } 1864a45b3fafSHans Wippel 1865caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1866caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1867caa1f0b1SHans Wippel u32 *sup_cmds) 1868caa1f0b1SHans Wippel { 1869caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1870caa1f0b1SHans Wippel 1871caa1f0b1SHans Wippel /* prepare callback control */ 1872caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 1873caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 1874caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 1875caa1f0b1SHans Wippel 1876caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 1877caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1878caa1f0b1SHans Wippel } 1879caa1f0b1SHans Wippel 1880caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1881caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1882caa1f0b1SHans Wippel u32 cmd) 1883caa1f0b1SHans Wippel { 1884caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1885caa1f0b1SHans Wippel 1886caa1f0b1SHans Wippel /* prepare callback control */ 1887caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 1888caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 1889caa1f0b1SHans Wippel 1890caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 1891caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1892caa1f0b1SHans Wippel } 1893caa1f0b1SHans Wippel 1894349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1895349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1896349d13d5SHans Wippel u32 cmd, u32 *timeout) 1897349d13d5SHans Wippel { 1898349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1899349d13d5SHans Wippel 1900349d13d5SHans Wippel /* prepare callback control */ 1901349d13d5SHans Wippel cbctl.sub_cmd = cmd; 1902349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 1903349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 1904349d13d5SHans Wippel cbctl.param.timeout = *timeout; 1905349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 1906349d13d5SHans Wippel cbctl.result.timeout = timeout; 1907349d13d5SHans Wippel 1908349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 1909349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1910349d13d5SHans Wippel } 1911349d13d5SHans Wippel 1912caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1913caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1914caa1f0b1SHans Wippel { 1915caa1f0b1SHans Wippel int rc = 0; 1916caa1f0b1SHans Wippel u32 cmd; 1917caa1f0b1SHans Wippel 1918caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1919caa1f0b1SHans Wippel 1920caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 1921caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1922caa1f0b1SHans Wippel return -EBUSY; 1923caa1f0b1SHans Wippel 1924caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1925caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1926caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1927caa1f0b1SHans Wippel return -EOPNOTSUPP; 1928caa1f0b1SHans Wippel 1929caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1930caa1f0b1SHans Wippel if (state) { 1931caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1932caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1933caa1f0b1SHans Wippel } else { 1934caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1935caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1936caa1f0b1SHans Wippel } 1937caa1f0b1SHans Wippel 1938caa1f0b1SHans Wippel /* do we need to do anything? */ 1939caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1940caa1f0b1SHans Wippel return rc; 1941caa1f0b1SHans Wippel 1942caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1943caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1944caa1f0b1SHans Wippel if (state) 1945caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1946caa1f0b1SHans Wippel else 1947caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1948caa1f0b1SHans Wippel return rc; 1949caa1f0b1SHans Wippel } 1950caa1f0b1SHans Wippel 1951caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1952caa1f0b1SHans Wippel if (rc) 1953caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1954caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1955349d13d5SHans Wippel else { 1956349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1957349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1958caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1959349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1960349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1961349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1962349d13d5SHans Wippel } 1963caa1f0b1SHans Wippel 1964caa1f0b1SHans Wippel return rc; 1965caa1f0b1SHans Wippel } 1966caa1f0b1SHans Wippel 1967caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1968caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1969caa1f0b1SHans Wippel { 1970caa1f0b1SHans Wippel int rc = 0; 1971caa1f0b1SHans Wippel 1972caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1973caa1f0b1SHans Wippel 1974caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 1975caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1976caa1f0b1SHans Wippel return -EBUSY; 1977caa1f0b1SHans Wippel 1978caa1f0b1SHans Wippel /* check if characteristic is supported */ 1979caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1980caa1f0b1SHans Wippel return -EOPNOTSUPP; 1981caa1f0b1SHans Wippel 1982caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1983caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1984caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1985caa1f0b1SHans Wippel 1986caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1987caa1f0b1SHans Wippel return rc; 1988caa1f0b1SHans Wippel } 1989caa1f0b1SHans Wippel 1990349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1991349d13d5SHans Wippel * supports timeout 1992349d13d5SHans Wippel */ 1993349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1994349d13d5SHans Wippel { 1995349d13d5SHans Wippel int rc = 0; 1996349d13d5SHans Wippel 1997349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 1998349d13d5SHans Wippel 1999349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2000349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2001349d13d5SHans Wippel return -EBUSY; 2002349d13d5SHans Wippel 2003349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2004349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2005349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2006349d13d5SHans Wippel return -EOPNOTSUPP; 2007349d13d5SHans Wippel 2008349d13d5SHans Wippel /* do we need to do anything? */ 2009349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2010349d13d5SHans Wippel return rc; 2011349d13d5SHans Wippel 2012349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2013349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2014349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2015349d13d5SHans Wippel return rc; 2016349d13d5SHans Wippel } 2017349d13d5SHans Wippel 2018349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2019349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2020349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2021349d13d5SHans Wippel if (!rc) 2022349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2023349d13d5SHans Wippel 2024349d13d5SHans Wippel return rc; 2025349d13d5SHans Wippel } 2026349d13d5SHans Wippel 2027349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2028349d13d5SHans Wippel * learning supports timeout 2029349d13d5SHans Wippel */ 2030349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2031349d13d5SHans Wippel { 2032349d13d5SHans Wippel int rc = 0; 2033349d13d5SHans Wippel 2034349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2035349d13d5SHans Wippel 2036349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2037349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2038349d13d5SHans Wippel return -EBUSY; 2039349d13d5SHans Wippel 2040349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2041349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2042349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2043349d13d5SHans Wippel return -EOPNOTSUPP; 2044349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2045349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2046349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2047349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2048349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2049349d13d5SHans Wippel timeout); 2050349d13d5SHans Wippel 2051349d13d5SHans Wippel return rc; 2052349d13d5SHans Wippel } 2053349d13d5SHans Wippel 2054caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2055caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2056caa1f0b1SHans Wippel { 2057caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2058caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2059caa1f0b1SHans Wippel return false; 2060caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2061caa1f0b1SHans Wippel * or the card is offline. 2062caa1f0b1SHans Wippel */ 2063caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2064caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2065caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2066caa1f0b1SHans Wippel return false; 2067caa1f0b1SHans Wippel } 2068caa1f0b1SHans Wippel return true; 2069caa1f0b1SHans Wippel } 2070caa1f0b1SHans Wippel 2071349d13d5SHans Wippel /* recover user timeout setting */ 2072349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2073349d13d5SHans Wippel u32 *timeout) 2074349d13d5SHans Wippel { 2075349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2076349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2077349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2078349d13d5SHans Wippel timeout)) 2079349d13d5SHans Wippel return false; 2080349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2081349d13d5SHans Wippel return true; 2082349d13d5SHans Wippel } 2083349d13d5SHans Wippel 2084caa1f0b1SHans Wippel /* recover user characteristic setting */ 2085caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2086caa1f0b1SHans Wippel bool enable) 2087caa1f0b1SHans Wippel { 2088caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2089caa1f0b1SHans Wippel 2090caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2091caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2092caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2093caa1f0b1SHans Wippel return false; 2094caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2095caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2096caa1f0b1SHans Wippel return true; 2097caa1f0b1SHans Wippel } 2098caa1f0b1SHans Wippel 2099a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2100a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2101a45b3fafSHans Wippel { 2102349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2103caa1f0b1SHans Wippel unsigned int chars_len, i; 2104caa1f0b1SHans Wippel unsigned long chars_tmp; 2105caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2106caa1f0b1SHans Wippel bool enable, error; 2107caa1f0b1SHans Wippel 2108a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2109caa1f0b1SHans Wippel /* reset rx_bcast */ 2110caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2111a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2112a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2113349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2114349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2115caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2116caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2117a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2118a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2119caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2120caa1f0b1SHans Wippel return; 2121a45b3fafSHans Wippel } 2122caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2123caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2124caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2125caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2126caa1f0b1SHans Wippel vnicc = BIT(i); 2127caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2128349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2129349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2130349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2131caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2132caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2133caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2134caa1f0b1SHans Wippel } 2135caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2136349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2137349d13d5SHans Wippel timeout); 2138caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2139caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2140caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2141caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2142caa1f0b1SHans Wippel vnicc = BIT(i); 2143caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2144caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2145caa1f0b1SHans Wippel } 2146caa1f0b1SHans Wippel if (error) 2147caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2148caa1f0b1SHans Wippel } 2149caa1f0b1SHans Wippel 2150caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2151caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2152caa1f0b1SHans Wippel { 2153caa1f0b1SHans Wippel /* characteristics values */ 2154caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2155caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2156349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2157caa1f0b1SHans Wippel /* supported commands */ 2158caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2159349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2160caa1f0b1SHans Wippel /* settings wanted by users */ 2161caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2162a45b3fafSHans Wippel } 2163a45b3fafSHans Wippel 21644a71df50SFrank Blaschka module_init(qeth_l2_init); 21654a71df50SFrank Blaschka module_exit(qeth_l2_exit); 21664a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 21674a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 21684a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2169