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 152c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1534a71df50SFrank Blaschka { 154fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 155fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 156fe5c8028SLakhvich Dmitriy int i; 1574a71df50SFrank Blaschka 1584a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 159fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 160fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 161fe5c8028SLakhvich Dmitriy kfree(mac); 1624a71df50SFrank Blaschka } 1634a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 1644a71df50SFrank Blaschka } 1654a71df50SFrank Blaschka 166cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 1674a71df50SFrank Blaschka { 168ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 16986c0cdb9SJulian Wiedmann return RTN_UNICAST; 170ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 171ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 172ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 173ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 17486c0cdb9SJulian Wiedmann return RTN_UNICAST; 1754a71df50SFrank Blaschka } 1764a71df50SFrank Blaschka 177b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 178b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 179b0abc4f5SJulian Wiedmann int ipv, int cast_type, unsigned int data_len) 1804a71df50SFrank Blaschka { 1810aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1824a71df50SFrank Blaschka 183ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1844a71df50SFrank Blaschka 1850aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1860aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1870aef8392SJulian Wiedmann } else { 1880aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 189fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 190fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 191b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, skbs_csum); 192fc69660bSJulian Wiedmann } 1930aef8392SJulian Wiedmann } 194fc69660bSJulian Wiedmann 1954a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1964a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1974a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1984a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1994a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2004a71df50SFrank Blaschka else 201ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2024a71df50SFrank Blaschka 2034a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2044a71df50SFrank Blaschka * information to be present in 2054a71df50SFrank Blaschka * the QDIO header */ 2064a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2074a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2084a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2094a71df50SFrank Blaschka } 2104a71df50SFrank Blaschka } 2114a71df50SFrank Blaschka 212742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 2134a71df50SFrank Blaschka { 2142aa48671SJulian Wiedmann if (retcode) 2152aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2162aa48671SJulian Wiedmann 2172aa48671SJulian Wiedmann switch (retcode) { 2182aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2192aa48671SJulian Wiedmann return 0; 2202aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2212aa48671SJulian Wiedmann return -EINVAL; 2222aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2232aa48671SJulian Wiedmann return -EEXIST; 2242aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2252aa48671SJulian Wiedmann return -ENOENT; 2262aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2272aa48671SJulian Wiedmann return -EPERM; 2282aa48671SJulian Wiedmann default: 2292aa48671SJulian Wiedmann return -EIO; 2302aa48671SJulian Wiedmann } 2312aa48671SJulian Wiedmann } 2322aa48671SJulian Wiedmann 2332aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2342aa48671SJulian Wiedmann struct qeth_reply *reply, 2352aa48671SJulian Wiedmann unsigned long data) 2362aa48671SJulian Wiedmann { 2372aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2384a71df50SFrank Blaschka 239847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2404a71df50SFrank Blaschka if (cmd->hdr.return_code) { 241e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2422aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 243e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 244847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2454a71df50SFrank Blaschka } 246742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2474a71df50SFrank Blaschka } 2484a71df50SFrank Blaschka 2494a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2504a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2514a71df50SFrank Blaschka { 2524a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2534a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2544a71df50SFrank Blaschka 255847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2564a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2571aec42bcSThomas Richter if (!iob) 2581aec42bcSThomas Richter return -ENOMEM; 259ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2604a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 261742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2624a71df50SFrank Blaschka } 2634a71df50SFrank Blaschka 26480d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 26580d5c368SPatrick McHardy __be16 proto, u16 vid) 2664a71df50SFrank Blaschka { 267509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2684a71df50SFrank Blaschka 269847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 27010651db7SUrsula Braun if (!vid) 2718e586137SJiri Pirko return 0; 272e6e771b3SJulian Wiedmann 2735fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2744a71df50SFrank Blaschka } 2754a71df50SFrank Blaschka 27680d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 27780d5c368SPatrick McHardy __be16 proto, u16 vid) 2784a71df50SFrank Blaschka { 279509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2804a71df50SFrank Blaschka 281847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2825fc692a7SJulian Wiedmann if (!vid) 2835fc692a7SJulian Wiedmann return 0; 284e6e771b3SJulian Wiedmann 2855fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2864a71df50SFrank Blaschka } 2874a71df50SFrank Blaschka 288d4560150SJulian Wiedmann static void qeth_l2_stop_card(struct qeth_card *card) 2894a71df50SFrank Blaschka { 290d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 291d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 2924a71df50SFrank Blaschka 2934a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2940f7aedbdSJulian Wiedmann 2954a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 296c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 2974a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 2984a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 2994a71df50SFrank Blaschka } 3004a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3014a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3024a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 3034a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 3044a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 3054a71df50SFrank Blaschka } 3064a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 3074a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 3084a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 3094a71df50SFrank Blaschka } 310c0a2e4d1SJulian Wiedmann 311c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 3127bd2275cSJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3134a71df50SFrank Blaschka } 3144a71df50SFrank Blaschka 315a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 316a1c3ed4cSFrank Blaschka int budget, int *done) 3174a71df50SFrank Blaschka { 318a1c3ed4cSFrank Blaschka int work_done = 0; 3194a71df50SFrank Blaschka struct sk_buff *skb; 3204a71df50SFrank Blaschka struct qeth_hdr *hdr; 3214a71df50SFrank Blaschka unsigned int len; 3224a71df50SFrank Blaschka 323a1c3ed4cSFrank Blaschka *done = 0; 32418af5c17SStefan Raspl WARN_ON_ONCE(!budget); 325a1c3ed4cSFrank Blaschka while (budget) { 326a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 327b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 328a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 329a1c3ed4cSFrank Blaschka if (!skb) { 330a1c3ed4cSFrank Blaschka *done = 1; 331a1c3ed4cSFrank Blaschka break; 3324a71df50SFrank Blaschka } 3334a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 3344a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 3354a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 3366195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 33712883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 3384a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 3394a71df50SFrank Blaschka len = skb->len; 3409abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 3414a71df50SFrank Blaschka break; 3424a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 3432d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 3444a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 3454a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 3464a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 3474a71df50SFrank Blaschka len = skb->len; 3484a71df50SFrank Blaschka card->osn_info.data_cb(skb); 3494a71df50SFrank Blaschka break; 3502d488c2fSUrsula Braun } 3512d488c2fSUrsula Braun /* else unknown */ 3524a71df50SFrank Blaschka default: 3534a71df50SFrank Blaschka dev_kfree_skb_any(skb); 354847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 3550ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 3564a71df50SFrank Blaschka continue; 3574a71df50SFrank Blaschka } 358a1c3ed4cSFrank Blaschka work_done++; 359a1c3ed4cSFrank Blaschka budget--; 360b0abc4f5SJulian Wiedmann QETH_CARD_STAT_INC(card, rx_packets); 361b0abc4f5SJulian Wiedmann QETH_CARD_STAT_ADD(card, rx_bytes, len); 3624a71df50SFrank Blaschka } 363a1c3ed4cSFrank Blaschka return work_done; 364a1c3ed4cSFrank Blaschka } 365a1c3ed4cSFrank Blaschka 3664a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 3674a71df50SFrank Blaschka { 3684a71df50SFrank Blaschka int rc = 0; 3694a71df50SFrank Blaschka 370ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 371d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 3724a71df50SFrank Blaschka 373ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 374ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 375ec61bd2fSJulian Wiedmann if (!rc) 376ec61bd2fSJulian Wiedmann goto out; 377e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 378e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 379ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 380ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 381ec61bd2fSJulian Wiedmann } 382ec61bd2fSJulian Wiedmann 383b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3844a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3854b7ae122SJulian Wiedmann if (!rc) 38621b1702aSJulian Wiedmann goto out; 387e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 388e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 3891aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 39021b1702aSJulian Wiedmann /* fall back once more: */ 3914a71df50SFrank Blaschka } 39221b1702aSJulian Wiedmann 39321b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 39421b1702aSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM || 39521b1702aSJulian Wiedmann card->info.type == QETH_CARD_TYPE_OSX) 39621b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 39721b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 39821b1702aSJulian Wiedmann 399ec61bd2fSJulian Wiedmann out: 400ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 4014a71df50SFrank Blaschka return 0; 4024a71df50SFrank Blaschka } 4034a71df50SFrank Blaschka 404654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 405654e3d48SJulian Wiedmann { 406654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 407654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 408654e3d48SJulian Wiedmann 409654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 410654e3d48SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 411654e3d48SJulian Wiedmann } 412654e3d48SJulian Wiedmann 413e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 414e22355eaSJulian Wiedmann { 415e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 416e22355eaSJulian Wiedmann 4178024cc9eSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 418e22355eaSJulian Wiedmann return eth_validate_addr(dev); 419e22355eaSJulian Wiedmann 420e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 421e22355eaSJulian Wiedmann return -EPERM; 422e22355eaSJulian Wiedmann } 423e22355eaSJulian Wiedmann 4244a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4254a71df50SFrank Blaschka { 4264a71df50SFrank Blaschka struct sockaddr *addr = p; 427509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 428bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4294a71df50SFrank Blaschka int rc = 0; 4304a71df50SFrank Blaschka 431847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4324a71df50SFrank Blaschka 4338024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 434847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4354a71df50SFrank Blaschka return -EOPNOTSUPP; 4364a71df50SFrank Blaschka } 43799f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 438bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 439bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 440bcacfcbcSJulian Wiedmann 441bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 442bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 443bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 444e6e771b3SJulian Wiedmann return 0; 445bcacfcbcSJulian Wiedmann 446bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 4474a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 448bcacfcbcSJulian Wiedmann if (rc) 449e6e771b3SJulian Wiedmann return rc; 450bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 451bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 452bcacfcbcSJulian Wiedmann 453bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 454bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 455bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 456e6e771b3SJulian Wiedmann return 0; 4574a71df50SFrank Blaschka } 4584a71df50SFrank Blaschka 4590db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 4600db587b0SEugene Crosser { 4610db587b0SEugene Crosser struct net_device *dev = card->dev; 4620db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 4630db587b0SEugene Crosser int role; 4640db587b0SEugene Crosser int rc; 4650db587b0SEugene Crosser 4660db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 4670db587b0SEugene Crosser 4680db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 4690db587b0SEugene Crosser return; 4700db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 4710db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 4720db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 4730db587b0SEugene Crosser return; 4740db587b0SEugene Crosser 4750db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 4760db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 4770db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 4780db587b0SEugene Crosser else 4790db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4800db587b0SEugene Crosser } else 4810db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4820db587b0SEugene Crosser 4830db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 4840db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 4850db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 4860db587b0SEugene Crosser if (!rc) { 4870db587b0SEugene Crosser card->options.sbp.role = role; 4880db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 4890db587b0SEugene Crosser } 490fe5c8028SLakhvich Dmitriy 491fe5c8028SLakhvich Dmitriy } 492fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 493fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 494fe5c8028SLakhvich Dmitriy * 495fe5c8028SLakhvich Dmitriy */ 4964641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 497fe5c8028SLakhvich Dmitriy { 498cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 499fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 500fe5c8028SLakhvich Dmitriy 501cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 50299f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5035f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 504fe5c8028SLakhvich Dmitriy return; 505fe5c8028SLakhvich Dmitriy } 5060db587b0SEugene Crosser } 5070db587b0SEugene Crosser 508fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 509fe5c8028SLakhvich Dmitriy if (!mac) 510fe5c8028SLakhvich Dmitriy return; 511fe5c8028SLakhvich Dmitriy 51299f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 5135f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 514fe5c8028SLakhvich Dmitriy 515cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 516fe5c8028SLakhvich Dmitriy } 517fe5c8028SLakhvich Dmitriy 518fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 5194a71df50SFrank Blaschka { 520509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 521ccffad25SJiri Pirko struct netdev_hw_addr *ha; 522fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 523fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 524fe5c8028SLakhvich Dmitriy int i; 525fe5c8028SLakhvich Dmitriy int rc; 5264a71df50SFrank Blaschka 527847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 528fe5c8028SLakhvich Dmitriy 5294a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 530fe5c8028SLakhvich Dmitriy 53122bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 5324641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 53332e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 5344641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 535fe5c8028SLakhvich Dmitriy 536fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 53700c163f1SJulian Wiedmann switch (mac->disp_flag) { 53800c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 5398174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 540fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 541fe5c8028SLakhvich Dmitriy kfree(mac); 54200c163f1SJulian Wiedmann break; 54300c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 5448174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 545fe5c8028SLakhvich Dmitriy if (rc) { 546fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 547fe5c8028SLakhvich Dmitriy kfree(mac); 54800c163f1SJulian Wiedmann break; 54900c163f1SJulian Wiedmann } 55000c163f1SJulian Wiedmann /* fall through */ 55100c163f1SJulian Wiedmann default: 55200c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 5535f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 55400c163f1SJulian Wiedmann } 555fe5c8028SLakhvich Dmitriy } 5567db2266aSFrank Blaschka 5574a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 558fe5c8028SLakhvich Dmitriy 5590db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 5604a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 5610db587b0SEugene Crosser else 5620db587b0SEugene Crosser qeth_promisc_to_bridge(card); 5634a71df50SFrank Blaschka } 5644a71df50SFrank Blaschka 5657286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5667286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5677286384bSJulian Wiedmann { 56869d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 56969d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 57069d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 57169d7ce80SJulian Wiedmann unsigned int elements = 0; 57269d7ce80SJulian Wiedmann unsigned int hd_len = 0; 57369d7ce80SJulian Wiedmann int rc; 5747286384bSJulian Wiedmann 5757286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5767286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5777286384bSJulian Wiedmann 57869d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 57969d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 58069d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 58169d7ce80SJulian Wiedmann if (!hdr) 58269d7ce80SJulian Wiedmann return -ENOMEM; 58369d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 58469d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 58569d7ce80SJulian Wiedmann elements++; 58669d7ce80SJulian Wiedmann } 58769d7ce80SJulian Wiedmann 58869d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 58969d7ce80SJulian Wiedmann if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) { 59069d7ce80SJulian Wiedmann rc = -E2BIG; 59169d7ce80SJulian Wiedmann goto out; 59269d7ce80SJulian Wiedmann } 59369d7ce80SJulian Wiedmann 59469d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 59569d7ce80SJulian Wiedmann elements); 59669d7ce80SJulian Wiedmann out: 59769d7ce80SJulian Wiedmann if (rc && hd_len) 59869d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 59969d7ce80SJulian Wiedmann return rc; 6007286384bSJulian Wiedmann } 6017286384bSJulian Wiedmann 602e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 603e38db6beSJulian Wiedmann struct net_device *dev) 6044a71df50SFrank Blaschka { 605509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 606ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 607571f9dd8SKittipon Meesompop int ipv = qeth_get_ip_version(skb); 608290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 6094a71df50SFrank Blaschka int tx_bytes = skb->len; 6107286384bSJulian Wiedmann int rc; 6114a71df50SFrank Blaschka 612b0abc4f5SJulian Wiedmann queue = qeth_get_tx_queue(card, skb, ipv, cast_type); 613b0abc4f5SJulian Wiedmann 6144a71df50SFrank Blaschka netif_stop_queue(dev); 6154a71df50SFrank Blaschka 6165f89eca5SJulian Wiedmann if (IS_OSN(card)) 6177286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 6185f89eca5SJulian Wiedmann else 619fc69660bSJulian Wiedmann rc = qeth_xmit(card, skb, queue, ipv, cast_type, 620fc69660bSJulian Wiedmann qeth_l2_fill_header); 6214a71df50SFrank Blaschka 6224a71df50SFrank Blaschka if (!rc) { 623b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_packets); 624b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_ADD(queue, tx_bytes, tx_bytes); 6257286384bSJulian Wiedmann netif_wake_queue(dev); 6267286384bSJulian Wiedmann return NETDEV_TX_OK; 6277286384bSJulian Wiedmann } else if (rc == -EBUSY) { 6287286384bSJulian Wiedmann return NETDEV_TX_BUSY; 6297286384bSJulian Wiedmann } /* else fall through */ 6304a71df50SFrank Blaschka 631b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 632b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_errors); 6334a71df50SFrank Blaschka dev_kfree_skb_any(skb); 634d0ec0f54SFrank Blaschka netif_wake_queue(dev); 6354a71df50SFrank Blaschka return NETDEV_TX_OK; 6364a71df50SFrank Blaschka } 6374a71df50SFrank Blaschka 6382d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 6392d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 6402d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 6412d2ebb3eSJulian Wiedmann }; 6422d2ebb3eSJulian Wiedmann 6434a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 6444a71df50SFrank Blaschka { 6454a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 6469111e788SUrsula Braun int rc; 6474a71df50SFrank Blaschka 64812b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 64912b409ddSJulian Wiedmann 6502d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 6519111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 6529111e788SUrsula Braun if (rc) 6539111e788SUrsula Braun return rc; 6542d2ebb3eSJulian Wiedmann } 6555fc692a7SJulian Wiedmann 656fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 6574a71df50SFrank Blaschka return 0; 6584a71df50SFrank Blaschka } 6594a71df50SFrank Blaschka 6604a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6614a71df50SFrank Blaschka { 6624a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6634a71df50SFrank Blaschka 6642d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 665b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 666f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6674a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6684a71df50SFrank Blaschka 66970919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 6704a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 671c2780c1aSJulian Wiedmann 672c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 67330356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 6744a71df50SFrank Blaschka unregister_netdev(card->dev); 6754a71df50SFrank Blaschka } 6764a71df50SFrank Blaschka 6773d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 678e22355eaSJulian Wiedmann .ndo_open = qeth_open, 679e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 680b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6818403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6826d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 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 7254d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 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 8355113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 8360f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 8378f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 8388f43fb00SThomas Richter if (rc) 8390f54761dSStefan Raspl goto out_remove; 8400f54761dSStefan Raspl } 8415113fec0SUrsula Braun 8424a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 8434a71df50SFrank Blaschka if (rc) { 844d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 845aa909224SUrsula Braun rc = -ENODEV; 8464a71df50SFrank Blaschka goto out_remove; 8474a71df50SFrank Blaschka } 8484a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 8494a71df50SFrank Blaschka 8504a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 851d025da9eSJulian Wiedmann 852fa3d2e60SJulian Wiedmann if (!qeth_netdev_is_registered(dev)) { 853fa3d2e60SJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 854fa3d2e60SJulian Wiedmann if (rc) 855fa3d2e60SJulian Wiedmann goto out_remove; 8564a71df50SFrank Blaschka } else { 8574a71df50SFrank Blaschka rtnl_lock(); 858fa3d2e60SJulian Wiedmann if (carrier_ok) 859fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 860fa3d2e60SJulian Wiedmann else 861fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 862fa3d2e60SJulian Wiedmann 863e6e771b3SJulian Wiedmann netif_device_attach(dev); 864fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 865fa3d2e60SJulian Wiedmann 866d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 867d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 868fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 869fa3d2e60SJulian Wiedmann } 870fa3d2e60SJulian Wiedmann rtnl_unlock(); 8714a71df50SFrank Blaschka } 8724a71df50SFrank Blaschka /* let user_space know that device is online */ 8734a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 874c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8759dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 8764a71df50SFrank Blaschka return 0; 877aa909224SUrsula Braun 8784a71df50SFrank Blaschka out_remove: 879d4560150SJulian Wiedmann qeth_l2_stop_card(card); 8804a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 8814a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 8824a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 88322ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 8844a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 885d7d543f2SJulian Wiedmann 886c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8879dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 888aa909224SUrsula Braun return rc; 8894a71df50SFrank Blaschka } 8904a71df50SFrank Blaschka 8914a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 8924a71df50SFrank Blaschka int recovery_mode) 8934a71df50SFrank Blaschka { 8944a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8954a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 8964a71df50SFrank Blaschka 8979dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 898c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 899d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 900d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 9014a71df50SFrank Blaschka 902d7ef489fSJulian Wiedmann if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 903d7ef489fSJulian Wiedmann qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 904d7ef489fSJulian Wiedmann card->info.hwtrap = 1; 905d7ef489fSJulian Wiedmann } 906d7ef489fSJulian Wiedmann 907e6e771b3SJulian Wiedmann rtnl_lock(); 908d7d543f2SJulian Wiedmann card->info.open_when_online = card->dev->flags & IFF_UP; 909d4560150SJulian Wiedmann dev_close(card->dev); 910e6e771b3SJulian Wiedmann netif_device_detach(card->dev); 9114a71df50SFrank Blaschka netif_carrier_off(card->dev); 912e6e771b3SJulian Wiedmann rtnl_unlock(); 913e6e771b3SJulian Wiedmann 914d4560150SJulian Wiedmann qeth_l2_stop_card(card); 9154a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 9164a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 9174a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 9184a71df50SFrank Blaschka if (!rc) 9194a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 9204a71df50SFrank Blaschka if (rc) 921d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 92222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 923d7d543f2SJulian Wiedmann 9244a71df50SFrank Blaschka /* let user_space know that device is offline */ 9254a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 926c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 9279dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 9284a71df50SFrank Blaschka return 0; 9294a71df50SFrank Blaschka } 9304a71df50SFrank Blaschka 9314a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 9324a71df50SFrank Blaschka { 9334a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 9344a71df50SFrank Blaschka } 9354a71df50SFrank Blaschka 9364a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 9374a71df50SFrank Blaschka { 9384a71df50SFrank Blaschka struct qeth_card *card; 9394a71df50SFrank Blaschka int rc = 0; 9404a71df50SFrank Blaschka 9414a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 942847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 9434a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 9444a71df50SFrank Blaschka return 0; 945847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 94674eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 94774eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 9484a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 949d4560150SJulian Wiedmann rc = qeth_l2_set_online(card->gdev); 9504a71df50SFrank Blaschka if (!rc) 95174eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 95274eacdb9SFrank Blaschka "Device successfully recovered!\n"); 95328a7e4c9SUrsula Braun else { 954bf42d40bSJulian Wiedmann ccwgroup_set_offline(card->gdev); 95574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 95674eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 95728a7e4c9SUrsula Braun } 958a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 959a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 9604a71df50SFrank Blaschka return 0; 9614a71df50SFrank Blaschka } 9624a71df50SFrank Blaschka 9634a71df50SFrank Blaschka static int __init qeth_l2_init(void) 9644a71df50SFrank Blaschka { 96574eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 9664a71df50SFrank Blaschka return 0; 9674a71df50SFrank Blaschka } 9684a71df50SFrank Blaschka 9694a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 9704a71df50SFrank Blaschka { 97174eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 9724a71df50SFrank Blaschka } 9734a71df50SFrank Blaschka 974bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 975bbcfcdc8SFrank Blaschka { 976bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 977bbcfcdc8SFrank Blaschka 978bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 979bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 980bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 981bbcfcdc8SFrank Blaschka return 0; 98262ca98d4SJulian Wiedmann 98362ca98d4SJulian Wiedmann qeth_l2_set_offline(gdev); 984bbcfcdc8SFrank Blaschka return 0; 985bbcfcdc8SFrank Blaschka } 986bbcfcdc8SFrank Blaschka 987bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 988bbcfcdc8SFrank Blaschka { 989bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 990d4560150SJulian Wiedmann int rc; 991bbcfcdc8SFrank Blaschka 992d4560150SJulian Wiedmann rc = qeth_l2_set_online(gdev); 9936585ac4eSJulian Wiedmann 994bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 995bbcfcdc8SFrank Blaschka if (rc) 996bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 997bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 998bbcfcdc8SFrank Blaschka return rc; 999bbcfcdc8SFrank Blaschka } 1000bbcfcdc8SFrank Blaschka 1001c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1002c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1003c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1004c044dc21SEugene Crosser { 1005c044dc21SEugene Crosser switch (cmd->hdr.command) { 10069c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 10079c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1008c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1009c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1010c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1011c044dc21SEugene Crosser return 0; 1012c044dc21SEugene Crosser } else 1013c044dc21SEugene Crosser return 1; 1014c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1015c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1016c044dc21SEugene Crosser return 0; 1017c044dc21SEugene Crosser default: 1018c044dc21SEugene Crosser return 1; 1019c044dc21SEugene Crosser } 1020c044dc21SEugene Crosser } 1021c044dc21SEugene Crosser 1022c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 10232d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1024d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1025c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1026c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 10274a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 10284a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 10294a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1030bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1031bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1032bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1033942d6984SJulian Wiedmann .do_ioctl = NULL, 1034c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 10354a71df50SFrank Blaschka }; 1036c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 10374a71df50SFrank Blaschka 10384a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 10394a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 10404a71df50SFrank Blaschka { 1041750b1625SJulian Wiedmann struct qeth_channel *channel = iob->channel; 10424a71df50SFrank Blaschka int rc = 0; 10434a71df50SFrank Blaschka 1044847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 10454a71df50SFrank Blaschka 10464a71df50SFrank Blaschka wait_event(card->wait_q, 1047750b1625SJulian Wiedmann atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); 10484a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1049847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 1050ed47155bSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); 1051f15cdaf2SJulian Wiedmann rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, 1052db71bbbdSJulian Wiedmann (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); 1053ed47155bSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); 10544a71df50SFrank Blaschka if (rc) { 105514cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 10564a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1057847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 1058750b1625SJulian Wiedmann qeth_release_buffer(channel, iob); 1059750b1625SJulian Wiedmann atomic_set(&channel->irq_pending, 0); 10604a71df50SFrank Blaschka wake_up(&card->wait_q); 10614a71df50SFrank Blaschka } 10624a71df50SFrank Blaschka return rc; 10634a71df50SFrank Blaschka } 10644a71df50SFrank Blaschka 10654a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 1066c2153277SJulian Wiedmann struct qeth_cmd_buffer *iob) 10674a71df50SFrank Blaschka { 1068c2153277SJulian Wiedmann u16 length; 10694a71df50SFrank Blaschka 1070847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 10714a71df50SFrank Blaschka 1072c2153277SJulian Wiedmann memcpy(&length, QETH_IPA_PDU_LEN_TOTAL(iob->data), 2); 1073c2153277SJulian Wiedmann return qeth_osn_send_control_data(card, length, iob); 10744a71df50SFrank Blaschka } 10754a71df50SFrank Blaschka 10764a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 10774a71df50SFrank Blaschka { 10784a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 10794a71df50SFrank Blaschka struct qeth_card *card; 10804a71df50SFrank Blaschka 10814a71df50SFrank Blaschka if (!dev) 10824a71df50SFrank Blaschka return -ENODEV; 1083509e2562SHeiko Carstens card = dev->ml_priv; 10844a71df50SFrank Blaschka if (!card) 10854a71df50SFrank Blaschka return -ENODEV; 1086847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1087c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 10884a71df50SFrank Blaschka return -ENODEV; 10894a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1090c2153277SJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len); 1091ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1092c2153277SJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob); 10934a71df50SFrank Blaschka } 10944a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 10954a71df50SFrank Blaschka 10964a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 10974a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 10984a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 10994a71df50SFrank Blaschka { 11004a71df50SFrank Blaschka struct qeth_card *card; 1101d7d18da1SJulian Wiedmann char bus_id[16]; 1102d7d18da1SJulian Wiedmann u16 devno; 11034a71df50SFrank Blaschka 1104d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1105d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1106d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1107d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 11084a71df50SFrank Blaschka return -ENODEV; 1109d7d18da1SJulian Wiedmann *dev = card->dev; 1110d7d18da1SJulian Wiedmann 1111847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 11124a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 11134a71df50SFrank Blaschka return -EINVAL; 11144a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 11154a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 11164a71df50SFrank Blaschka return 0; 11174a71df50SFrank Blaschka } 11184a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 11194a71df50SFrank Blaschka 11204a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 11214a71df50SFrank Blaschka { 11224a71df50SFrank Blaschka struct qeth_card *card; 11234a71df50SFrank Blaschka 11244a71df50SFrank Blaschka if (!dev) 11254a71df50SFrank Blaschka return; 1126509e2562SHeiko Carstens card = dev->ml_priv; 11274a71df50SFrank Blaschka if (!card) 11284a71df50SFrank Blaschka return; 1129847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 11304a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 11314a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 11324a71df50SFrank Blaschka return; 11334a71df50SFrank Blaschka } 11344a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 11354a71df50SFrank Blaschka 1136b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1137b4d72c08SEugene Crosser 11389f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 11399f48b9dbSEugene Crosser 11409f48b9dbSEugene Crosser /** 11419f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 11429f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 11439f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 11449f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 11459f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 11469f48b9dbSEugene Crosser * object, 0 - addition of an object. 11479f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 11489f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 11499f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 11509f48b9dbSEugene Crosser * 11519f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 11529f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 11539f48b9dbSEugene Crosser * for all currently registered addresses. 11549f48b9dbSEugene Crosser */ 11559f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 11569f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 11579f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 11589f48b9dbSEugene Crosser { 11599f48b9dbSEugene Crosser char str[7][32]; 11609f48b9dbSEugene Crosser char *env[8]; 11619f48b9dbSEugene Crosser int i = 0; 11629f48b9dbSEugene Crosser 11639f48b9dbSEugene Crosser switch (evtype) { 11649f48b9dbSEugene Crosser case anev_reg_unreg: 11659f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 11669f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 11679f48b9dbSEugene Crosser ? "deregister" : "register"); 11689f48b9dbSEugene Crosser env[i] = str[i]; i++; 11699f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 11709f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 11719f48b9dbSEugene Crosser addr_lnid->lnid); 11729f48b9dbSEugene Crosser env[i] = str[i]; i++; 11739f48b9dbSEugene Crosser } 11749f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 11759846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 11769846e70bSEugene Crosser addr_lnid->mac); 11779f48b9dbSEugene Crosser env[i] = str[i]; i++; 11789f48b9dbSEugene Crosser } 11799f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 11809f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 11819f48b9dbSEugene Crosser env[i] = str[i]; i++; 11829f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 11839f48b9dbSEugene Crosser env[i] = str[i]; i++; 11849f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 11859f48b9dbSEugene Crosser token->chpid); 11869f48b9dbSEugene Crosser env[i] = str[i]; i++; 11879f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 11889f48b9dbSEugene Crosser env[i] = str[i]; i++; 11899f48b9dbSEugene Crosser break; 11909f48b9dbSEugene Crosser case anev_abort: 11919f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 11929f48b9dbSEugene Crosser env[i] = str[i]; i++; 11939f48b9dbSEugene Crosser break; 11949f48b9dbSEugene Crosser case anev_reset: 11959f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 11969f48b9dbSEugene Crosser env[i] = str[i]; i++; 11979f48b9dbSEugene Crosser break; 11989f48b9dbSEugene Crosser } 11999f48b9dbSEugene Crosser env[i] = NULL; 12009f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 12019f48b9dbSEugene Crosser } 12029f48b9dbSEugene Crosser 1203b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1204b4d72c08SEugene Crosser struct work_struct worker; 1205b4d72c08SEugene Crosser struct qeth_card *card; 1206b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1207b4d72c08SEugene Crosser }; 1208b4d72c08SEugene Crosser 1209b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1210b4d72c08SEugene Crosser { 1211b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1212b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1213b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1214b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1215b4d72c08SEugene Crosser char env_locrem[32]; 1216b4d72c08SEugene Crosser char env_role[32]; 1217b4d72c08SEugene Crosser char env_state[32]; 1218b4d72c08SEugene Crosser char *env[] = { 1219b4d72c08SEugene Crosser env_locrem, 1220b4d72c08SEugene Crosser env_role, 1221b4d72c08SEugene Crosser env_state, 1222b4d72c08SEugene Crosser NULL 1223b4d72c08SEugene Crosser }; 1224b4d72c08SEugene Crosser 1225b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1226b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1227b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1228b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1229b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1230b4d72c08SEugene Crosser 1231b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1232b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1233b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1234b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1235b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1236b4d72c08SEugene Crosser "<INVALID>"); 1237b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1238b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1239b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1240b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1241b4d72c08SEugene Crosser "<INVALID>"); 1242b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1243b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1244b4d72c08SEugene Crosser kfree(data); 1245b4d72c08SEugene Crosser } 1246b4d72c08SEugene Crosser 1247c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1248c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1249b4d72c08SEugene Crosser { 1250b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1251b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1252b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1253b4d72c08SEugene Crosser int extrasize; 1254b4d72c08SEugene Crosser 1255b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1256b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 12578a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1258b4d72c08SEugene Crosser return; 1259b4d72c08SEugene Crosser } 1260b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1261b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1262b4d72c08SEugene Crosser GFP_ATOMIC); 1263b4d72c08SEugene Crosser if (!data) { 1264b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1265b4d72c08SEugene Crosser return; 1266b4d72c08SEugene Crosser } 1267b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1268b4d72c08SEugene Crosser data->card = card; 1269b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1270b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1271c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1272b4d72c08SEugene Crosser } 1273b4d72c08SEugene Crosser 12749f48b9dbSEugene Crosser struct qeth_bridge_host_data { 12759f48b9dbSEugene Crosser struct work_struct worker; 12769f48b9dbSEugene Crosser struct qeth_card *card; 12779f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 12789f48b9dbSEugene Crosser }; 12799f48b9dbSEugene Crosser 12809f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 12819f48b9dbSEugene Crosser { 12829f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 12839f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 12849f48b9dbSEugene Crosser int i; 12859f48b9dbSEugene Crosser 12869f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 12879f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 12889c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 12899f48b9dbSEugene Crosser data->card->dev->name, 12909f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 12919f48b9dbSEugene Crosser ? "Overflow" 12929f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 12939f48b9dbSEugene Crosser ? "Bridge port state change" 12949f48b9dbSEugene Crosser : "Unknown reason"); 12959f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 12969f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 12979f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 12989f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 12999f48b9dbSEugene Crosser 0, NULL, NULL); 13009f48b9dbSEugene Crosser } else 13019f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 13029f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 13039f48b9dbSEugene Crosser &data->hostevs.entry[i]; 13049f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 13059f48b9dbSEugene Crosser anev_reg_unreg, 13069f48b9dbSEugene Crosser entry->change_code, 13079f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 13089f48b9dbSEugene Crosser } 13099f48b9dbSEugene Crosser kfree(data); 13109f48b9dbSEugene Crosser } 13119f48b9dbSEugene Crosser 1312c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1313c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 13149f48b9dbSEugene Crosser { 13159f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 13169f48b9dbSEugene Crosser &cmd->data.addrchange; 13179f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 13189f48b9dbSEugene Crosser int extrasize; 13199f48b9dbSEugene Crosser 13209f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 13219f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 13229f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 13239f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 13249f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 13259f48b9dbSEugene Crosser } else { 13269f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 13279f48b9dbSEugene Crosser cmd->hdr.return_code); 13289f48b9dbSEugene Crosser return; 13299f48b9dbSEugene Crosser } 13309f48b9dbSEugene Crosser } 13319f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 13329f48b9dbSEugene Crosser hostevs->num_entries; 13339f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 13349f48b9dbSEugene Crosser GFP_ATOMIC); 13359f48b9dbSEugene Crosser if (!data) { 13369f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 13379f48b9dbSEugene Crosser return; 13389f48b9dbSEugene Crosser } 13399f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 13409f48b9dbSEugene Crosser data->card = card; 13419f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 13429f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1343c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 13449f48b9dbSEugene Crosser } 13459f48b9dbSEugene Crosser 1346b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1347b4d72c08SEugene Crosser 1348b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1349b4d72c08SEugene Crosser union { 1350b4d72c08SEugene Crosser u32 supported; 1351b4d72c08SEugene Crosser struct { 1352b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1353b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1354b4d72c08SEugene Crosser } qports; 1355b4d72c08SEugene Crosser } data; 1356b4d72c08SEugene Crosser }; 1357b4d72c08SEugene Crosser 1358b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 13591709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1360b4d72c08SEugene Crosser { 13611709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 13621709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 13631709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 13641709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1365b4d72c08SEugene Crosser int rc; 1366b4d72c08SEugene Crosser 13671709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 13681709ff8dSJulian Wiedmann return 0; 13691709ff8dSJulian Wiedmann 13701709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 13711709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 13721709ff8dSJulian Wiedmann switch (sbp_rc) { 13732063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1374b4d72c08SEugene Crosser rc = 0; 1375b4d72c08SEugene Crosser break; 13762063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 13772063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1378ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1379b4d72c08SEugene Crosser break; 13802063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 13812063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1382b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1383b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13849c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1385b4d72c08SEugene Crosser break; 13862063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 13872063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 13881b05cf62SEugene Crosser rc = -EPERM; 13891b05cf62SEugene Crosser dev_err(&card->gdev->dev, 13901b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 13911b05cf62SEugene Crosser break; 13922063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 13932063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1394b4d72c08SEugene Crosser switch (setcmd) { 1395b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1396b4d72c08SEugene Crosser rc = -EEXIST; 1397b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13989c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1399b4d72c08SEugene Crosser break; 1400b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1401b4d72c08SEugene Crosser rc = -EBUSY; 1402b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14039c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1404b4d72c08SEugene Crosser break; 1405b4d72c08SEugene Crosser default: 1406b4d72c08SEugene Crosser rc = -EIO; 1407b4d72c08SEugene Crosser } 1408b4d72c08SEugene Crosser break; 14092063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 14102063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1411b4d72c08SEugene Crosser rc = -EBUSY; 1412b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14139c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1414b4d72c08SEugene Crosser break; 14152063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 14162063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1417b4d72c08SEugene Crosser rc = -EEXIST; 1418b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14199c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1420b4d72c08SEugene Crosser break; 14212063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 14222063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1423b4d72c08SEugene Crosser rc = -EBUSY; 1424b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14259c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1426b4d72c08SEugene Crosser break; 14272063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 14282063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1429b4d72c08SEugene Crosser rc = -EACCES; 1430b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 14319c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1432b4d72c08SEugene Crosser break; 1433b4d72c08SEugene Crosser default: 1434b4d72c08SEugene Crosser rc = -EIO; 1435b4d72c08SEugene Crosser } 14361709ff8dSJulian Wiedmann } else { 14371709ff8dSJulian Wiedmann switch (ipa_rc) { 1438b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1439ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1440b4d72c08SEugene Crosser break; 1441b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1442ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1443b4d72c08SEugene Crosser break; 1444b4d72c08SEugene Crosser default: 1445b4d72c08SEugene Crosser rc = -EIO; 1446b4d72c08SEugene Crosser } 14471709ff8dSJulian Wiedmann } 14489c23f4daSEugene Crosser 1449b4d72c08SEugene Crosser if (rc) { 14501709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 14511709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1452b4d72c08SEugene Crosser } 1453b4d72c08SEugene Crosser return rc; 1454b4d72c08SEugene Crosser } 1455b4d72c08SEugene Crosser 1456d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1457d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1458d65626adSJulian Wiedmann unsigned int cmd_length) 14599c23f4daSEugene Crosser { 1460d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 14619c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 14629c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1463d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1464d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1465d65626adSJulian Wiedmann 1466d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1467d65626adSJulian Wiedmann if (!iob) 1468d65626adSJulian Wiedmann return iob; 1469ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1470d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1471d65626adSJulian Wiedmann cmd_length; 1472d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1473d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1474d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1475d65626adSJulian Wiedmann return iob; 14769c23f4daSEugene Crosser } 14779c23f4daSEugene Crosser 1478b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1479b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1480b4d72c08SEugene Crosser { 1481b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1482b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 14831709ff8dSJulian Wiedmann int rc; 14841709ff8dSJulian Wiedmann 1485b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 14861709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 14871709ff8dSJulian Wiedmann if (rc) 14881709ff8dSJulian Wiedmann return rc; 14891709ff8dSJulian Wiedmann 1490b4d72c08SEugene Crosser cbctl->data.supported = 1491b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1492b4d72c08SEugene Crosser return 0; 1493b4d72c08SEugene Crosser } 1494b4d72c08SEugene Crosser 1495b4d72c08SEugene Crosser /** 1496b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1497b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1498b4d72c08SEugene Crosser * 1499b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1500b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1501b4d72c08SEugene Crosser */ 1502c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1503b4d72c08SEugene Crosser { 1504b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1505b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1506b4d72c08SEugene Crosser 1507b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1508d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1509d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 15101aec42bcSThomas Richter if (!iob) 15111aec42bcSThomas Richter return; 15121709ff8dSJulian Wiedmann 1513b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 15141709ff8dSJulian Wiedmann &cbctl)) { 1515b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 15161709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1517b4d72c08SEugene Crosser return; 1518b4d72c08SEugene Crosser } 1519b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1520b4d72c08SEugene Crosser } 1521b4d72c08SEugene Crosser 1522b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1523b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1524b4d72c08SEugene Crosser { 1525b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1526b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1527b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 15281709ff8dSJulian Wiedmann int rc; 1529b4d72c08SEugene Crosser 1530b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 15311709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 15321709ff8dSJulian Wiedmann if (rc) 15331709ff8dSJulian Wiedmann return rc; 15341709ff8dSJulian Wiedmann 1535b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1536b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 15371709ff8dSJulian Wiedmann return -EINVAL; 1538b4d72c08SEugene Crosser } 1539b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1540b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1541b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1542b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1543b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1544b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1545b4d72c08SEugene Crosser } 1546b4d72c08SEugene Crosser return 0; 1547b4d72c08SEugene Crosser } 1548b4d72c08SEugene Crosser 1549b4d72c08SEugene Crosser /** 1550b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1551b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1552b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1553b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1554b4d72c08SEugene Crosser * 1555b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1556b4d72c08SEugene Crosser * 1557b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1558b4d72c08SEugene Crosser */ 1559b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1560b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1561b4d72c08SEugene Crosser { 1562b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1563b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1564b4d72c08SEugene Crosser .data = { 1565b4d72c08SEugene Crosser .qports = { 1566b4d72c08SEugene Crosser .role = role, 1567b4d72c08SEugene Crosser .state = state, 1568b4d72c08SEugene Crosser }, 1569b4d72c08SEugene Crosser }, 1570b4d72c08SEugene Crosser }; 1571b4d72c08SEugene Crosser 1572b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1573b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1574b4d72c08SEugene Crosser return -EOPNOTSUPP; 1575d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 15761aec42bcSThomas Richter if (!iob) 15771aec42bcSThomas Richter return -ENOMEM; 15781709ff8dSJulian Wiedmann 15791709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 15801709ff8dSJulian Wiedmann &cbctl); 1581b4d72c08SEugene Crosser } 1582b4d72c08SEugene Crosser 1583b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1584b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1585b4d72c08SEugene Crosser { 1586b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 15871709ff8dSJulian Wiedmann 1588b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 15891709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1590b4d72c08SEugene Crosser } 1591b4d72c08SEugene Crosser 1592b4d72c08SEugene Crosser /** 1593b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1594b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1595b4d72c08SEugene Crosser * @role: Role to assign. 1596b4d72c08SEugene Crosser * 1597b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1598b4d72c08SEugene Crosser */ 1599b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1600b4d72c08SEugene Crosser { 1601b4d72c08SEugene Crosser int cmdlength; 1602b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1603b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1604b4d72c08SEugene Crosser 1605b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1606b4d72c08SEugene Crosser switch (role) { 1607b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1608b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1609d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1610b4d72c08SEugene Crosser break; 1611b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1612b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1613d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1614b4d72c08SEugene Crosser break; 1615b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1616b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1617d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1618b4d72c08SEugene Crosser break; 1619b4d72c08SEugene Crosser default: 1620b4d72c08SEugene Crosser return -EINVAL; 1621b4d72c08SEugene Crosser } 1622b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1623b4d72c08SEugene Crosser return -EOPNOTSUPP; 1624d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 16251aec42bcSThomas Richter if (!iob) 16261aec42bcSThomas Richter return -ENOMEM; 16271709ff8dSJulian Wiedmann 16281709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1629b4d72c08SEugene Crosser } 1630b4d72c08SEugene Crosser 16319f48b9dbSEugene Crosser /** 16329f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 16339f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 16349f48b9dbSEugene Crosser * 16359f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 16369f48b9dbSEugene Crosser */ 16379f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 16389f48b9dbSEugene Crosser { 16399f48b9dbSEugene Crosser int rc; 16409f48b9dbSEugene Crosser 16419f48b9dbSEugene Crosser if (pnso_rc == 0) 16429f48b9dbSEugene Crosser switch (response) { 16439f48b9dbSEugene Crosser case 0x0001: 16449f48b9dbSEugene Crosser rc = 0; 16459f48b9dbSEugene Crosser break; 16469f48b9dbSEugene Crosser case 0x0004: 16479f48b9dbSEugene Crosser case 0x0100: 16489f48b9dbSEugene Crosser case 0x0106: 1649ffb95251SEugene Crosser rc = -EOPNOTSUPP; 16509f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 16519f48b9dbSEugene Crosser "Setting address notification failed\n"); 16529f48b9dbSEugene Crosser break; 16539f48b9dbSEugene Crosser case 0x0107: 16549f48b9dbSEugene Crosser rc = -EAGAIN; 16559f48b9dbSEugene Crosser break; 16569f48b9dbSEugene Crosser default: 16579f48b9dbSEugene Crosser rc = -EIO; 16589f48b9dbSEugene Crosser } 16599f48b9dbSEugene Crosser else 16609f48b9dbSEugene Crosser rc = -EIO; 16619f48b9dbSEugene Crosser 16629f48b9dbSEugene Crosser if (rc) { 16639f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 16649f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 16659f48b9dbSEugene Crosser } 16669f48b9dbSEugene Crosser return rc; 16679f48b9dbSEugene Crosser } 16689f48b9dbSEugene Crosser 16699f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 16709f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 16719f48b9dbSEugene Crosser { 16729f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 16739f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 16749f48b9dbSEugene Crosser u8 code; 16759f48b9dbSEugene Crosser 16769f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 16779f48b9dbSEugene Crosser WARN_ON_ONCE(1); 16789f48b9dbSEugene Crosser return; 16799f48b9dbSEugene Crosser } 16809f48b9dbSEugene Crosser 16819f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 16829f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 16839f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 16849f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 16859f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 16869f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 16879f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 16889f48b9dbSEugene Crosser } 16899f48b9dbSEugene Crosser 16909f48b9dbSEugene Crosser /** 16919f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 16929f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 16939f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 16949f48b9dbSEugene Crosser * 16959f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 16969f48b9dbSEugene Crosser * 16979f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 16989f48b9dbSEugene Crosser * currently registered hosts. 16999f48b9dbSEugene Crosser */ 17009f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 17019f48b9dbSEugene Crosser { 17029f48b9dbSEugene Crosser int rc; 17039f48b9dbSEugene Crosser u16 response; 17049f48b9dbSEugene Crosser struct ccw_device *ddev; 17059f48b9dbSEugene Crosser struct subchannel_id schid; 17069f48b9dbSEugene Crosser 17079f48b9dbSEugene Crosser if (!card) 17089f48b9dbSEugene Crosser return -EINVAL; 17099f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 17109f48b9dbSEugene Crosser return -EOPNOTSUPP; 17119f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 17129f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 17139f48b9dbSEugene Crosser 17149f48b9dbSEugene Crosser if (enable) { 17159f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 17169f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 17179f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 17189f48b9dbSEugene Crosser } else 17199f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 17209f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 17219f48b9dbSEugene Crosser } 17229f48b9dbSEugene Crosser 1723caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1724caa1f0b1SHans Wippel { 1725caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1726caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1727caa1f0b1SHans Wippel } 1728caa1f0b1SHans Wippel 1729a45b3fafSHans Wippel /* VNIC Characteristics support */ 1730a45b3fafSHans Wippel 1731a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1732742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1733a45b3fafSHans Wippel { 1734a45b3fafSHans Wippel int rc; 1735a45b3fafSHans Wippel 1736a45b3fafSHans Wippel switch (ipa_rc) { 1737a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1738a45b3fafSHans Wippel return ipa_rc; 1739a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1740a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1741a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1742a45b3fafSHans Wippel break; 1743a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1744a45b3fafSHans Wippel rc = -EALREADY; 1745a45b3fafSHans Wippel break; 1746a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1747a45b3fafSHans Wippel rc = -EBUSY; 1748a45b3fafSHans Wippel break; 1749a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1750a45b3fafSHans Wippel rc = -ENOSPC; 1751a45b3fafSHans Wippel break; 1752a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1753a45b3fafSHans Wippel rc = -EACCES; 1754a45b3fafSHans Wippel break; 1755a45b3fafSHans Wippel default: 1756a45b3fafSHans Wippel rc = -EIO; 1757a45b3fafSHans Wippel } 1758a45b3fafSHans Wippel 1759a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1760a45b3fafSHans Wippel return rc; 1761a45b3fafSHans Wippel } 1762a45b3fafSHans Wippel 1763a45b3fafSHans Wippel /* generic VNICC request call back control */ 1764a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1765a45b3fafSHans Wippel u32 sub_cmd; 1766caa1f0b1SHans Wippel struct { 1767caa1f0b1SHans Wippel u32 vnic_char; 1768349d13d5SHans Wippel u32 timeout; 1769caa1f0b1SHans Wippel } param; 1770caa1f0b1SHans Wippel struct { 1771349d13d5SHans Wippel union{ 1772caa1f0b1SHans Wippel u32 *sup_cmds; 1773349d13d5SHans Wippel u32 *timeout; 1774349d13d5SHans Wippel }; 1775caa1f0b1SHans Wippel } result; 1776a45b3fafSHans Wippel }; 1777a45b3fafSHans Wippel 1778a45b3fafSHans Wippel /* generic VNICC request call back */ 1779a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1780a45b3fafSHans Wippel struct qeth_reply *reply, 1781a45b3fafSHans Wippel unsigned long data) 1782a45b3fafSHans Wippel { 1783caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1784caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1785a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1786a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 1787a45b3fafSHans Wippel 1788a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1789a45b3fafSHans Wippel if (cmd->hdr.return_code) 1790742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1791a45b3fafSHans Wippel /* return results to caller */ 1792a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 1793a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 1794a45b3fafSHans Wippel 1795caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 1796caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 1797caa1f0b1SHans Wippel 1798349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 1799349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 1800349d13d5SHans Wippel 1801a45b3fafSHans Wippel return 0; 1802a45b3fafSHans Wippel } 1803a45b3fafSHans Wippel 1804a45b3fafSHans Wippel /* generic VNICC request */ 1805a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 1806a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 1807a45b3fafSHans Wippel { 1808a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 1809a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1810a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 1811a45b3fafSHans Wippel 1812a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 1813a45b3fafSHans Wippel 1814a45b3fafSHans Wippel /* get new buffer for request */ 1815a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 1816a45b3fafSHans Wippel if (!iob) 1817a45b3fafSHans Wippel return -ENOMEM; 1818a45b3fafSHans Wippel 1819a45b3fafSHans Wippel /* create header for request */ 1820ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1821a45b3fafSHans Wippel req = &cmd->data.vnicc; 1822a45b3fafSHans Wippel 1823a45b3fafSHans Wippel /* create sub command header for request */ 1824a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 1825a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 1826a45b3fafSHans Wippel 1827a45b3fafSHans Wippel /* create sub command specific request fields */ 1828a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 1829a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 1830a45b3fafSHans Wippel break; 1831caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 1832caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 1833caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 1834caa1f0b1SHans Wippel break; 1835caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 1836caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 1837caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 1838caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 1839caa1f0b1SHans Wippel break; 1840349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 1841349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 1842349d13d5SHans Wippel /* fallthrough */ 1843349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 1844349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 1845349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 1846349d13d5SHans Wippel break; 1847a45b3fafSHans Wippel default: 1848a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 1849a45b3fafSHans Wippel return -EOPNOTSUPP; 1850a45b3fafSHans Wippel } 1851a45b3fafSHans Wippel 1852a45b3fafSHans Wippel /* send request */ 1853742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, cbctl); 1854a45b3fafSHans Wippel } 1855a45b3fafSHans Wippel 1856a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1857a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1858a45b3fafSHans Wippel { 1859a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1860a45b3fafSHans Wippel 1861a45b3fafSHans Wippel /* prepare callback control */ 1862a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 1863a45b3fafSHans Wippel 1864a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 1865a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1866a45b3fafSHans Wippel } 1867a45b3fafSHans Wippel 1868caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1869caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1870caa1f0b1SHans Wippel u32 *sup_cmds) 1871caa1f0b1SHans Wippel { 1872caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1873caa1f0b1SHans Wippel 1874caa1f0b1SHans Wippel /* prepare callback control */ 1875caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 1876caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 1877caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 1878caa1f0b1SHans Wippel 1879caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 1880caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1881caa1f0b1SHans Wippel } 1882caa1f0b1SHans Wippel 1883caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1884caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1885caa1f0b1SHans Wippel u32 cmd) 1886caa1f0b1SHans Wippel { 1887caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1888caa1f0b1SHans Wippel 1889caa1f0b1SHans Wippel /* prepare callback control */ 1890caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 1891caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 1892caa1f0b1SHans Wippel 1893caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 1894caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1895caa1f0b1SHans Wippel } 1896caa1f0b1SHans Wippel 1897349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1898349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1899349d13d5SHans Wippel u32 cmd, u32 *timeout) 1900349d13d5SHans Wippel { 1901349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1902349d13d5SHans Wippel 1903349d13d5SHans Wippel /* prepare callback control */ 1904349d13d5SHans Wippel cbctl.sub_cmd = cmd; 1905349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 1906349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 1907349d13d5SHans Wippel cbctl.param.timeout = *timeout; 1908349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 1909349d13d5SHans Wippel cbctl.result.timeout = timeout; 1910349d13d5SHans Wippel 1911349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 1912349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 1913349d13d5SHans Wippel } 1914349d13d5SHans Wippel 1915caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1916caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1917caa1f0b1SHans Wippel { 1918caa1f0b1SHans Wippel int rc = 0; 1919caa1f0b1SHans Wippel u32 cmd; 1920caa1f0b1SHans Wippel 1921caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1922caa1f0b1SHans Wippel 1923caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 1924caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1925caa1f0b1SHans Wippel return -EBUSY; 1926caa1f0b1SHans Wippel 1927caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1928caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1929caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1930caa1f0b1SHans Wippel return -EOPNOTSUPP; 1931caa1f0b1SHans Wippel 1932caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1933caa1f0b1SHans Wippel if (state) { 1934caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1935caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1936caa1f0b1SHans Wippel } else { 1937caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1938caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1939caa1f0b1SHans Wippel } 1940caa1f0b1SHans Wippel 1941caa1f0b1SHans Wippel /* do we need to do anything? */ 1942caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1943caa1f0b1SHans Wippel return rc; 1944caa1f0b1SHans Wippel 1945caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1946caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1947caa1f0b1SHans Wippel if (state) 1948caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1949caa1f0b1SHans Wippel else 1950caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1951caa1f0b1SHans Wippel return rc; 1952caa1f0b1SHans Wippel } 1953caa1f0b1SHans Wippel 1954caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1955caa1f0b1SHans Wippel if (rc) 1956caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1957caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1958349d13d5SHans Wippel else { 1959349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1960349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1961caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1962349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1963349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1964349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1965349d13d5SHans Wippel } 1966caa1f0b1SHans Wippel 1967caa1f0b1SHans Wippel return rc; 1968caa1f0b1SHans Wippel } 1969caa1f0b1SHans Wippel 1970caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1971caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1972caa1f0b1SHans Wippel { 1973caa1f0b1SHans Wippel int rc = 0; 1974caa1f0b1SHans Wippel 1975caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1976caa1f0b1SHans Wippel 1977caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 1978caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1979caa1f0b1SHans Wippel return -EBUSY; 1980caa1f0b1SHans Wippel 1981caa1f0b1SHans Wippel /* check if characteristic is supported */ 1982caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1983caa1f0b1SHans Wippel return -EOPNOTSUPP; 1984caa1f0b1SHans Wippel 1985caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1986caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1987caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1988caa1f0b1SHans Wippel 1989caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1990caa1f0b1SHans Wippel return rc; 1991caa1f0b1SHans Wippel } 1992caa1f0b1SHans Wippel 1993349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1994349d13d5SHans Wippel * supports timeout 1995349d13d5SHans Wippel */ 1996349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1997349d13d5SHans Wippel { 1998349d13d5SHans Wippel int rc = 0; 1999349d13d5SHans Wippel 2000349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2001349d13d5SHans Wippel 2002349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2003349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2004349d13d5SHans Wippel return -EBUSY; 2005349d13d5SHans Wippel 2006349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2007349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2008349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2009349d13d5SHans Wippel return -EOPNOTSUPP; 2010349d13d5SHans Wippel 2011349d13d5SHans Wippel /* do we need to do anything? */ 2012349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2013349d13d5SHans Wippel return rc; 2014349d13d5SHans Wippel 2015349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2016349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2017349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2018349d13d5SHans Wippel return rc; 2019349d13d5SHans Wippel } 2020349d13d5SHans Wippel 2021349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2022349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2023349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2024349d13d5SHans Wippel if (!rc) 2025349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2026349d13d5SHans Wippel 2027349d13d5SHans Wippel return rc; 2028349d13d5SHans Wippel } 2029349d13d5SHans Wippel 2030349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2031349d13d5SHans Wippel * learning supports timeout 2032349d13d5SHans Wippel */ 2033349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2034349d13d5SHans Wippel { 2035349d13d5SHans Wippel int rc = 0; 2036349d13d5SHans Wippel 2037349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2038349d13d5SHans Wippel 2039349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2040349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2041349d13d5SHans Wippel return -EBUSY; 2042349d13d5SHans Wippel 2043349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2044349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2045349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2046349d13d5SHans Wippel return -EOPNOTSUPP; 2047349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2048349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2049349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2050349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2051349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2052349d13d5SHans Wippel timeout); 2053349d13d5SHans Wippel 2054349d13d5SHans Wippel return rc; 2055349d13d5SHans Wippel } 2056349d13d5SHans Wippel 2057caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2058caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2059caa1f0b1SHans Wippel { 2060caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2061caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2062caa1f0b1SHans Wippel return false; 2063caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2064caa1f0b1SHans Wippel * or the card is offline. 2065caa1f0b1SHans Wippel */ 2066caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2067caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2068caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2069caa1f0b1SHans Wippel return false; 2070caa1f0b1SHans Wippel } 2071caa1f0b1SHans Wippel return true; 2072caa1f0b1SHans Wippel } 2073caa1f0b1SHans Wippel 2074349d13d5SHans Wippel /* recover user timeout setting */ 2075349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2076349d13d5SHans Wippel u32 *timeout) 2077349d13d5SHans Wippel { 2078349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2079349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2080349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2081349d13d5SHans Wippel timeout)) 2082349d13d5SHans Wippel return false; 2083349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2084349d13d5SHans Wippel return true; 2085349d13d5SHans Wippel } 2086349d13d5SHans Wippel 2087caa1f0b1SHans Wippel /* recover user characteristic setting */ 2088caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2089caa1f0b1SHans Wippel bool enable) 2090caa1f0b1SHans Wippel { 2091caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2092caa1f0b1SHans Wippel 2093caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2094caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2095caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2096caa1f0b1SHans Wippel return false; 2097caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2098caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2099caa1f0b1SHans Wippel return true; 2100caa1f0b1SHans Wippel } 2101caa1f0b1SHans Wippel 2102a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2103a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2104a45b3fafSHans Wippel { 2105349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2106caa1f0b1SHans Wippel unsigned int chars_len, i; 2107caa1f0b1SHans Wippel unsigned long chars_tmp; 2108caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2109caa1f0b1SHans Wippel bool enable, error; 2110caa1f0b1SHans Wippel 2111a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2112caa1f0b1SHans Wippel /* reset rx_bcast */ 2113caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2114a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2115a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2116349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2117349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2118caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2119caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2120a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2121a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2122caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2123caa1f0b1SHans Wippel return; 2124a45b3fafSHans Wippel } 2125caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2126caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2127caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2128caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2129caa1f0b1SHans Wippel vnicc = BIT(i); 2130caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2131349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2132349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2133349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2134caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2135caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2136caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2137caa1f0b1SHans Wippel } 2138caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2139349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2140349d13d5SHans Wippel timeout); 2141caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2142caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2143caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2144caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2145caa1f0b1SHans Wippel vnicc = BIT(i); 2146caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2147caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2148caa1f0b1SHans Wippel } 2149caa1f0b1SHans Wippel if (error) 2150caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2151caa1f0b1SHans Wippel } 2152caa1f0b1SHans Wippel 2153caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2154caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2155caa1f0b1SHans Wippel { 2156caa1f0b1SHans Wippel /* characteristics values */ 2157caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2158caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2159349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2160caa1f0b1SHans Wippel /* supported commands */ 2161caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2162349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2163caa1f0b1SHans Wippel /* settings wanted by users */ 2164caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2165a45b3fafSHans Wippel } 2166a45b3fafSHans Wippel 21674a71df50SFrank Blaschka module_init(qeth_l2_init); 21684a71df50SFrank Blaschka module_exit(qeth_l2_exit); 21694a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 21704a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 21714a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2172