1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 27c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 28c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 29c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 30c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 31c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 32caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 33a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 34349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 35349d13d5SHans Wippel u32 *timeout); 364a71df50SFrank Blaschka 37742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 384a71df50SFrank Blaschka { 39efbbc1d5SEugene Crosser int rc; 404a71df50SFrank Blaschka 41efbbc1d5SEugene Crosser if (retcode) 421aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 43efbbc1d5SEugene Crosser switch (retcode) { 44efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 45efbbc1d5SEugene Crosser rc = 0; 46efbbc1d5SEugene Crosser break; 47efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 48ffb95251SEugene Crosser rc = -EOPNOTSUPP; 49efbbc1d5SEugene Crosser break; 50efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 51efbbc1d5SEugene Crosser rc = -ENOSPC; 52efbbc1d5SEugene Crosser break; 53efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 55efbbc1d5SEugene Crosser rc = -EEXIST; 56efbbc1d5SEugene Crosser break; 57efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 59efbbc1d5SEugene Crosser rc = -EPERM; 60efbbc1d5SEugene Crosser break; 61efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 62efbbc1d5SEugene Crosser rc = -ENOENT; 63efbbc1d5SEugene Crosser break; 64efbbc1d5SEugene Crosser default: 65efbbc1d5SEugene Crosser rc = -EIO; 66efbbc1d5SEugene Crosser break; 674a71df50SFrank Blaschka } 68efbbc1d5SEugene Crosser return rc; 694a71df50SFrank Blaschka } 704a71df50SFrank Blaschka 71742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 72742d4d40SJulian Wiedmann struct qeth_reply *reply, 73742d4d40SJulian Wiedmann unsigned long data) 74742d4d40SJulian Wiedmann { 75742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 76742d4d40SJulian Wiedmann 77742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 78742d4d40SJulian Wiedmann } 79742d4d40SJulian Wiedmann 80ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 81ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 82ac988d78SJulian Wiedmann { 83ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 84ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 85ac988d78SJulian Wiedmann 86ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 87a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 88a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac)); 89ac988d78SJulian Wiedmann if (!iob) 90ac988d78SJulian Wiedmann return -ENOMEM; 91ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 9299f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 9399f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 94742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL); 95ac988d78SJulian Wiedmann } 96ac988d78SJulian Wiedmann 97ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 98ac988d78SJulian Wiedmann { 99ac988d78SJulian Wiedmann int rc; 100ac988d78SJulian Wiedmann 101ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 102ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 103ac988d78SJulian Wiedmann if (rc == 0) { 104ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 105654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac); 106ac988d78SJulian Wiedmann } else { 107ac988d78SJulian Wiedmann switch (rc) { 108ac988d78SJulian Wiedmann case -EEXIST: 109ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 110ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 111ac988d78SJulian Wiedmann break; 112ac988d78SJulian Wiedmann case -EPERM: 113ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 114ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 115ac988d78SJulian Wiedmann break; 116ac988d78SJulian Wiedmann } 117ac988d78SJulian Wiedmann } 118ac988d78SJulian Wiedmann return rc; 119ac988d78SJulian Wiedmann } 120ac988d78SJulian Wiedmann 1218174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1224a71df50SFrank Blaschka { 1239d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1248174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 125efbbc1d5SEugene Crosser int rc; 126efbbc1d5SEugene Crosser 1278174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1288174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 129efbbc1d5SEugene Crosser if (rc == -EEXIST) 130e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 131e19e5be8SJulian Wiedmann CARD_DEVID(card)); 132efbbc1d5SEugene Crosser else if (rc) 133e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 134e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 135efbbc1d5SEugene Crosser return rc; 1364a71df50SFrank Blaschka } 1374a71df50SFrank Blaschka 1388174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1394a71df50SFrank Blaschka { 1409d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1418174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 142efbbc1d5SEugene Crosser int rc; 143efbbc1d5SEugene Crosser 1448174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1458174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 146efbbc1d5SEugene Crosser if (rc) 147e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 148e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 149efbbc1d5SEugene Crosser return rc; 1504a71df50SFrank Blaschka } 1514a71df50SFrank Blaschka 152d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) 1534a71df50SFrank Blaschka { 154fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 155fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 156fe5c8028SLakhvich Dmitriy int i; 1574a71df50SFrank Blaschka 158fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 159fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 160fe5c8028SLakhvich Dmitriy kfree(mac); 1614a71df50SFrank Blaschka } 1624a71df50SFrank Blaschka } 1634a71df50SFrank Blaschka 164b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 165b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 166eca1d5c2SJulian Wiedmann int ipv, unsigned int data_len) 1674a71df50SFrank Blaschka { 168eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb); 1690aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1704a71df50SFrank Blaschka 171ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1724a71df50SFrank Blaschka 1730aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1740aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1750aef8392SJulian Wiedmann } else { 1760aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 177eeac0e20SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 178fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 1790aef8392SJulian Wiedmann } 180fc69660bSJulian Wiedmann 1814a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1824a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1834a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1844a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1854a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1864a71df50SFrank Blaschka else 187ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1884a71df50SFrank Blaschka 1894a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1904a71df50SFrank Blaschka * information to be present in 1914a71df50SFrank Blaschka * the QDIO header */ 1924a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1934a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1944a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1954a71df50SFrank Blaschka } 1964a71df50SFrank Blaschka } 1974a71df50SFrank Blaschka 198742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 1994a71df50SFrank Blaschka { 2002aa48671SJulian Wiedmann if (retcode) 2012aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2022aa48671SJulian Wiedmann 2032aa48671SJulian Wiedmann switch (retcode) { 2042aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2052aa48671SJulian Wiedmann return 0; 2062aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2072aa48671SJulian Wiedmann return -EINVAL; 2082aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2092aa48671SJulian Wiedmann return -EEXIST; 2102aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2112aa48671SJulian Wiedmann return -ENOENT; 2122aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2132aa48671SJulian Wiedmann return -EPERM; 2142aa48671SJulian Wiedmann default: 2152aa48671SJulian Wiedmann return -EIO; 2162aa48671SJulian Wiedmann } 2172aa48671SJulian Wiedmann } 2182aa48671SJulian Wiedmann 2192aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2202aa48671SJulian Wiedmann struct qeth_reply *reply, 2212aa48671SJulian Wiedmann unsigned long data) 2222aa48671SJulian Wiedmann { 2232aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2244a71df50SFrank Blaschka 225847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2264a71df50SFrank Blaschka if (cmd->hdr.return_code) { 227e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2282aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 229e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 230847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2314a71df50SFrank Blaschka } 232742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2334a71df50SFrank Blaschka } 2344a71df50SFrank Blaschka 2354a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2364a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2374a71df50SFrank Blaschka { 2384a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2394a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2404a71df50SFrank Blaschka 241847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 242a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 243a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan)); 2441aec42bcSThomas Richter if (!iob) 2451aec42bcSThomas Richter return -ENOMEM; 246ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2474a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 248742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2494a71df50SFrank Blaschka } 2504a71df50SFrank Blaschka 25180d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 25280d5c368SPatrick McHardy __be16 proto, u16 vid) 2534a71df50SFrank Blaschka { 254509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2554a71df50SFrank Blaschka 256847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 25710651db7SUrsula Braun if (!vid) 2588e586137SJiri Pirko return 0; 259e6e771b3SJulian Wiedmann 2605fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2614a71df50SFrank Blaschka } 2624a71df50SFrank Blaschka 26380d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 26480d5c368SPatrick McHardy __be16 proto, u16 vid) 2654a71df50SFrank Blaschka { 266509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2674a71df50SFrank Blaschka 268847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2695fc692a7SJulian Wiedmann if (!vid) 2705fc692a7SJulian Wiedmann return 0; 271e6e771b3SJulian Wiedmann 2725fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2734a71df50SFrank Blaschka } 2744a71df50SFrank Blaschka 275d4560150SJulian Wiedmann static void qeth_l2_stop_card(struct qeth_card *card) 2764a71df50SFrank Blaschka { 27757a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "stopcard"); 2784a71df50SFrank Blaschka 2794a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2800f7aedbdSJulian Wiedmann 281d0c74825SJulian Wiedmann cancel_work_sync(&card->rx_mode_work); 282d0c74825SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 283d0c74825SJulian Wiedmann 2844a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 2854a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 28641c47da3SJulian Wiedmann qeth_drain_output_queues(card); 2870e635c2aSJulian Wiedmann cancel_delayed_work_sync(&card->buffer_reclaim_work); 2884a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 2894a71df50SFrank Blaschka } 290ad160872SJulian Wiedmann 2918b5026bcSJulian Wiedmann qeth_qdio_clear_card(card, 0); 292aa3ad392SJulian Wiedmann qeth_clear_working_pool_list(card); 293c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 2947bd2275cSJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 2950f399305SJulian Wiedmann card->info.promisc_mode = 0; 2964a71df50SFrank Blaschka } 2974a71df50SFrank Blaschka 2984a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 2994a71df50SFrank Blaschka { 3004a71df50SFrank Blaschka int rc = 0; 3014a71df50SFrank Blaschka 30257a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac"); 3034a71df50SFrank Blaschka 304ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 305ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 306ec61bd2fSJulian Wiedmann if (!rc) 307ec61bd2fSJulian Wiedmann goto out; 308e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 309e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 31057a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc); 311ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 312ec61bd2fSJulian Wiedmann } 313ec61bd2fSJulian Wiedmann 314b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3154a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3164b7ae122SJulian Wiedmann if (!rc) 31721b1702aSJulian Wiedmann goto out; 318e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 319e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 32057a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc); 32121b1702aSJulian Wiedmann /* fall back once more: */ 3224a71df50SFrank Blaschka } 32321b1702aSJulian Wiedmann 32421b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 325379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 32621b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 32721b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 32821b1702aSJulian Wiedmann 329ec61bd2fSJulian Wiedmann out: 33057a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len); 3314a71df50SFrank Blaschka return 0; 3324a71df50SFrank Blaschka } 3334a71df50SFrank Blaschka 334654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 335654e3d48SJulian Wiedmann { 336654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 337654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 338654e3d48SJulian Wiedmann 339654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 340654e3d48SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 341654e3d48SJulian Wiedmann } 342654e3d48SJulian Wiedmann 343e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 344e22355eaSJulian Wiedmann { 345e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 346e22355eaSJulian Wiedmann 3478024cc9eSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 348e22355eaSJulian Wiedmann return eth_validate_addr(dev); 349e22355eaSJulian Wiedmann 350e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 351e22355eaSJulian Wiedmann return -EPERM; 352e22355eaSJulian Wiedmann } 353e22355eaSJulian Wiedmann 3544a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 3554a71df50SFrank Blaschka { 3564a71df50SFrank Blaschka struct sockaddr *addr = p; 357509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 358bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 3594a71df50SFrank Blaschka int rc = 0; 3604a71df50SFrank Blaschka 361847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 3624a71df50SFrank Blaschka 3638024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 364847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 3654a71df50SFrank Blaschka return -EOPNOTSUPP; 3664a71df50SFrank Blaschka } 36799f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 368bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 369bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 370bcacfcbcSJulian Wiedmann 371bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 372bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 373bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 374e6e771b3SJulian Wiedmann return 0; 375bcacfcbcSJulian Wiedmann 376bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 3774a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 378bcacfcbcSJulian Wiedmann if (rc) 379e6e771b3SJulian Wiedmann return rc; 380bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 381bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 382bcacfcbcSJulian Wiedmann 383bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 384bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 385bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 386e6e771b3SJulian Wiedmann return 0; 3874a71df50SFrank Blaschka } 3884a71df50SFrank Blaschka 38959b757a9SJulian Wiedmann static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable) 3900db587b0SEugene Crosser { 3910db587b0SEugene Crosser int role; 3920db587b0SEugene Crosser int rc; 3930db587b0SEugene Crosser 3940db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 3950db587b0SEugene Crosser 39659b757a9SJulian Wiedmann if (enable) { 3970db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 3980db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 3990db587b0SEugene Crosser else 4000db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4010db587b0SEugene Crosser } else 4020db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4030db587b0SEugene Crosser 4040db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 40559b757a9SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc); 4060db587b0SEugene Crosser if (!rc) { 4070db587b0SEugene Crosser card->options.sbp.role = role; 40859b757a9SJulian Wiedmann card->info.promisc_mode = enable; 40959b757a9SJulian Wiedmann } 4100db587b0SEugene Crosser } 411fe5c8028SLakhvich Dmitriy 41259b757a9SJulian Wiedmann static void qeth_l2_set_promisc_mode(struct qeth_card *card) 41359b757a9SJulian Wiedmann { 41459b757a9SJulian Wiedmann bool enable = card->dev->flags & IFF_PROMISC; 41559b757a9SJulian Wiedmann 41659b757a9SJulian Wiedmann if (card->info.promisc_mode == enable) 41759b757a9SJulian Wiedmann return; 41859b757a9SJulian Wiedmann 419c8183f54SJulian Wiedmann if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) { 42059b757a9SJulian Wiedmann qeth_setadp_promisc_mode(card, enable); 421c8183f54SJulian Wiedmann } else { 422c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 423c8183f54SJulian Wiedmann if (card->options.sbp.reflect_promisc) 42459b757a9SJulian Wiedmann qeth_l2_promisc_to_bridge(card, enable); 425c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 426c8183f54SJulian Wiedmann } 427fe5c8028SLakhvich Dmitriy } 42859b757a9SJulian Wiedmann 429fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 430fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 431fe5c8028SLakhvich Dmitriy * 432fe5c8028SLakhvich Dmitriy */ 4334641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 434fe5c8028SLakhvich Dmitriy { 435cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 436fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 437fe5c8028SLakhvich Dmitriy 438cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 43999f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4405f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 441fe5c8028SLakhvich Dmitriy return; 442fe5c8028SLakhvich Dmitriy } 4430db587b0SEugene Crosser } 4440db587b0SEugene Crosser 445fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 446fe5c8028SLakhvich Dmitriy if (!mac) 447fe5c8028SLakhvich Dmitriy return; 448fe5c8028SLakhvich Dmitriy 44999f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4505f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 451fe5c8028SLakhvich Dmitriy 452cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 453fe5c8028SLakhvich Dmitriy } 454fe5c8028SLakhvich Dmitriy 455d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 4564a71df50SFrank Blaschka { 457d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 458d0c74825SJulian Wiedmann rx_mode_work); 459d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 460ccffad25SJiri Pirko struct netdev_hw_addr *ha; 461fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 462fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 463fe5c8028SLakhvich Dmitriy int i; 464fe5c8028SLakhvich Dmitriy int rc; 4654a71df50SFrank Blaschka 466847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 467fe5c8028SLakhvich Dmitriy 468d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 46922bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 4704641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 47132e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 4724641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 473d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 474fe5c8028SLakhvich Dmitriy 475fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 47600c163f1SJulian Wiedmann switch (mac->disp_flag) { 47700c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 4788174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 479fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 480fe5c8028SLakhvich Dmitriy kfree(mac); 48100c163f1SJulian Wiedmann break; 48200c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 4838174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 484fe5c8028SLakhvich Dmitriy if (rc) { 485fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 486fe5c8028SLakhvich Dmitriy kfree(mac); 48700c163f1SJulian Wiedmann break; 48800c163f1SJulian Wiedmann } 48900c163f1SJulian Wiedmann /* fall through */ 49000c163f1SJulian Wiedmann default: 49100c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 4925f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 49300c163f1SJulian Wiedmann } 494fe5c8028SLakhvich Dmitriy } 4957db2266aSFrank Blaschka 49659b757a9SJulian Wiedmann qeth_l2_set_promisc_mode(card); 4974a71df50SFrank Blaschka } 4984a71df50SFrank Blaschka 4997286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5007286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5017286384bSJulian Wiedmann { 502b413ff8aSJulian Wiedmann gfp_t gfp = GFP_ATOMIC | (skb_pfmemalloc(skb) ? __GFP_MEMALLOC : 0); 50369d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 50469d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 50569d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 50669d7ce80SJulian Wiedmann unsigned int elements = 0; 50769d7ce80SJulian Wiedmann unsigned int hd_len = 0; 50869d7ce80SJulian Wiedmann int rc; 5097286384bSJulian Wiedmann 5107286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5117286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5127286384bSJulian Wiedmann 51369d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 51469d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 515b413ff8aSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, gfp); 51669d7ce80SJulian Wiedmann if (!hdr) 51769d7ce80SJulian Wiedmann return -ENOMEM; 51869d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 51969d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 52069d7ce80SJulian Wiedmann elements++; 52169d7ce80SJulian Wiedmann } 52269d7ce80SJulian Wiedmann 52369d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 5244e26c5feSJulian Wiedmann if (elements > queue->max_elements) { 52569d7ce80SJulian Wiedmann rc = -E2BIG; 52669d7ce80SJulian Wiedmann goto out; 52769d7ce80SJulian Wiedmann } 52869d7ce80SJulian Wiedmann 52969d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 53069d7ce80SJulian Wiedmann elements); 53169d7ce80SJulian Wiedmann out: 53269d7ce80SJulian Wiedmann if (rc && hd_len) 53369d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 53469d7ce80SJulian Wiedmann return rc; 5357286384bSJulian Wiedmann } 5367286384bSJulian Wiedmann 537e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 538e38db6beSJulian Wiedmann struct net_device *dev) 5394a71df50SFrank Blaschka { 540509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5413a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb); 542290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 5437286384bSJulian Wiedmann int rc; 5444a71df50SFrank Blaschka 545eeac0e20SJulian Wiedmann if (!skb_is_gso(skb)) 546eeac0e20SJulian Wiedmann qdisc_skb_cb(skb)->pkt_len = skb->len; 5473a18d754SJulian Wiedmann if (IS_IQD(card)) 54854a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq); 54973dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq]; 550b0abc4f5SJulian Wiedmann 5515f89eca5SJulian Wiedmann if (IS_OSN(card)) 5527286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 5535f89eca5SJulian Wiedmann else 55473dc2dafSJulian Wiedmann rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), 55558aa2491SJulian Wiedmann qeth_l2_fill_header); 5564a71df50SFrank Blaschka 557eeac0e20SJulian Wiedmann if (!rc) 5587286384bSJulian Wiedmann return NETDEV_TX_OK; 5594a71df50SFrank Blaschka 560b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 561104b4859SJulian Wiedmann kfree_skb(skb); 5624a71df50SFrank Blaschka return NETDEV_TX_OK; 5634a71df50SFrank Blaschka } 5644a71df50SFrank Blaschka 5653a18d754SJulian Wiedmann static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, 5663a18d754SJulian Wiedmann struct net_device *sb_dev) 5673a18d754SJulian Wiedmann { 56873dc2dafSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 56973dc2dafSJulian Wiedmann 57073dc2dafSJulian Wiedmann if (IS_IQD(card)) 57173dc2dafSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, 57258aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 5733a18d754SJulian Wiedmann sb_dev); 5741c103cf8SJulian Wiedmann 5751c103cf8SJulian Wiedmann return IS_VM_NIC(card) ? netdev_pick_tx(dev, skb, sb_dev) : 5761c103cf8SJulian Wiedmann qeth_get_priority_queue(card, skb); 5773a18d754SJulian Wiedmann } 5783a18d754SJulian Wiedmann 5792d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 5802d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 5812d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 5822d2ebb3eSJulian Wiedmann }; 5832d2ebb3eSJulian Wiedmann 5844a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 5854a71df50SFrank Blaschka { 5864a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 5879111e788SUrsula Braun int rc; 5884a71df50SFrank Blaschka 58912b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 590c8183f54SJulian Wiedmann mutex_init(&card->sbp_lock); 59112b409ddSJulian Wiedmann 5922d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 5939111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 5949111e788SUrsula Braun if (rc) 5959111e788SUrsula Braun return rc; 5962d2ebb3eSJulian Wiedmann } 5975fc692a7SJulian Wiedmann 598fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 599d0c74825SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 6004a71df50SFrank Blaschka return 0; 6014a71df50SFrank Blaschka } 6024a71df50SFrank Blaschka 6034a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6044a71df50SFrank Blaschka { 6054a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6064a71df50SFrank Blaschka 6072d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 608b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 609f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6104a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6114a71df50SFrank Blaschka 61270919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 61391003f35SJulian Wiedmann qeth_set_offline(card, false); 614c2780c1aSJulian Wiedmann 615c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 61630356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 6174a71df50SFrank Blaschka unregister_netdev(card->dev); 6184a71df50SFrank Blaschka } 6194a71df50SFrank Blaschka 620d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 621d0c74825SJulian Wiedmann { 622d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 623d0c74825SJulian Wiedmann 624d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 625d0c74825SJulian Wiedmann } 626d0c74825SJulian Wiedmann 6273d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 628e22355eaSJulian Wiedmann .ndo_open = qeth_open, 629e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 630b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6318403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6326d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 6333a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 634e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 635fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 636942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 6378403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 6388403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 6398403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 6408403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 6418f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 6428f43fb00SThomas Richter .ndo_set_features = qeth_set_features 6438403b13cSFrank Blaschka }; 6448403b13cSFrank Blaschka 6458024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 6468024cc9eSJulian Wiedmann .ndo_open = qeth_open, 6478024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 6488024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6498024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 6508024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 6518024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 6528024cc9eSJulian Wiedmann }; 6538024cc9eSJulian Wiedmann 6549fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 6554a71df50SFrank Blaschka { 656d3d1b205SJulian Wiedmann int rc; 6574a71df50SFrank Blaschka 6588024cc9eSJulian Wiedmann if (IS_OSN(card)) { 6598024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 66025e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 6618024cc9eSJulian Wiedmann goto add_napi; 6628024cc9eSJulian Wiedmann } 6638024cc9eSJulian Wiedmann 6641c103cf8SJulian Wiedmann rc = qeth_setup_netdev(card); 6651c103cf8SJulian Wiedmann if (rc) 6661c103cf8SJulian Wiedmann return rc; 6671c103cf8SJulian Wiedmann 6685f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 6698024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 6708024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 6719400c53fSJulian Wiedmann 6725fc692a7SJulian Wiedmann if (IS_OSM(card)) { 6739400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 6745fc692a7SJulian Wiedmann } else { 6755fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 6765fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 677f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 6785fc692a7SJulian Wiedmann } 6790f342945SJulian Wiedmann 680379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 6816d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 6828f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 6839bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 6848f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 6859bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 6869bdc4411SHans Wippel } 6874d7def2aSThomas Richter } 688571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 689571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 690571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 691571f9dd8SKittipon Meesompop } 692d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 693d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 694d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 695d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 696d7e6ed97SKittipon Meesompop } 6970aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 6980aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 6990aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 7000aef8392SJulian Wiedmann } 7010aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 7020aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 7030aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 7040aef8392SJulian Wiedmann } 7050aef8392SJulian Wiedmann 7060aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 7070aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 7080aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 7090aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 7100aef8392SJulian Wiedmann } 7110d6f02d3SJulian Wiedmann 7128024cc9eSJulian Wiedmann add_napi: 713d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 714d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 7159fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 7169fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 7179fae5c3bSJulian Wiedmann 718d3d1b205SJulian Wiedmann if (rc) 719d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 720d3d1b205SJulian Wiedmann return rc; 7214a71df50SFrank Blaschka } 7224a71df50SFrank Blaschka 723521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 724521c10eaSJulian Wiedmann { 725a45b3fafSHans Wippel /* Set BridgePort features */ 726a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 727521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 728521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 729a45b3fafSHans Wippel /* VNIC Characteristics features */ 730a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 731a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 732a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 733521c10eaSJulian Wiedmann } 734521c10eaSJulian Wiedmann 7358ca769e2SJulian Wiedmann static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) 7368ca769e2SJulian Wiedmann { 7378ca769e2SJulian Wiedmann if (!card->options.sbp.reflect_promisc && 7388ca769e2SJulian Wiedmann card->options.sbp.role != QETH_SBP_ROLE_NONE) { 7398ca769e2SJulian Wiedmann /* Conditional to avoid spurious error messages */ 7408ca769e2SJulian Wiedmann qeth_bridgeport_setrole(card, card->options.sbp.role); 7418ca769e2SJulian Wiedmann /* Let the callback function refresh the stored role value. */ 7428ca769e2SJulian Wiedmann qeth_bridgeport_query_ports(card, &card->options.sbp.role, 7438ca769e2SJulian Wiedmann NULL); 7448ca769e2SJulian Wiedmann } 7458ca769e2SJulian Wiedmann if (card->options.sbp.hostnotification) { 7468ca769e2SJulian Wiedmann if (qeth_bridgeport_an_set(card, 1)) 7478ca769e2SJulian Wiedmann card->options.sbp.hostnotification = 0; 7488ca769e2SJulian Wiedmann } else { 7498ca769e2SJulian Wiedmann qeth_bridgeport_an_set(card, 0); 7508ca769e2SJulian Wiedmann } 7518ca769e2SJulian Wiedmann } 7528ca769e2SJulian Wiedmann 75391003f35SJulian Wiedmann static int qeth_l2_set_online(struct qeth_card *card) 7544a71df50SFrank Blaschka { 75591003f35SJulian Wiedmann struct ccwgroup_device *gdev = card->gdev; 756fa3d2e60SJulian Wiedmann struct net_device *dev = card->dev; 7574a71df50SFrank Blaschka int rc = 0; 7589fae5c3bSJulian Wiedmann bool carrier_ok; 7594a71df50SFrank Blaschka 7609fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 7614a71df50SFrank Blaschka if (rc) { 76257a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "2err%04x", rc); 763aa909224SUrsula Braun rc = -ENODEV; 7644a71df50SFrank Blaschka goto out_remove; 7654a71df50SFrank Blaschka } 766654e3d48SJulian Wiedmann 767c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock); 768d7ef489fSJulian Wiedmann qeth_bridgeport_query_support(card); 7698ca769e2SJulian Wiedmann if (card->options.sbp.supported_funcs) { 7708ca769e2SJulian Wiedmann qeth_l2_setup_bridgeport_attrs(card); 771d7ef489fSJulian Wiedmann dev_info(&card->gdev->dev, 772d7ef489fSJulian Wiedmann "The device represents a Bridge Capable Port\n"); 7738ca769e2SJulian Wiedmann } 774c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock); 775d7ef489fSJulian Wiedmann 776d7ef489fSJulian Wiedmann qeth_l2_register_dev_addr(card); 777d7ef489fSJulian Wiedmann 778a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 779a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 780a45b3fafSHans Wippel 781a45b3fafSHans Wippel qeth_trace_features(card); 782a45b3fafSHans Wippel qeth_l2_trace_features(card); 783a45b3fafSHans Wippel 7844a71df50SFrank Blaschka qeth_print_status_message(card); 7854a71df50SFrank Blaschka 7864a71df50SFrank Blaschka /* softsetup */ 78757a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp"); 7884a71df50SFrank Blaschka 7894a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 7904a71df50SFrank Blaschka 7914a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 792d025da9eSJulian Wiedmann 793fa3d2e60SJulian Wiedmann if (!qeth_netdev_is_registered(dev)) { 794fa3d2e60SJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 795fa3d2e60SJulian Wiedmann if (rc) 796fa3d2e60SJulian Wiedmann goto out_remove; 7974a71df50SFrank Blaschka } else { 7984a71df50SFrank Blaschka rtnl_lock(); 799fa3d2e60SJulian Wiedmann if (carrier_ok) 800fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 801fa3d2e60SJulian Wiedmann else 802fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 803fa3d2e60SJulian Wiedmann 804e6e771b3SJulian Wiedmann netif_device_attach(dev); 805fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 806fa3d2e60SJulian Wiedmann 807d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 808d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 809fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 810fa3d2e60SJulian Wiedmann } 811fa3d2e60SJulian Wiedmann rtnl_unlock(); 8124a71df50SFrank Blaschka } 8134a71df50SFrank Blaschka /* let user_space know that device is online */ 8144a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 8154a71df50SFrank Blaschka return 0; 816aa909224SUrsula Braun 8174a71df50SFrank Blaschka out_remove: 818d4560150SJulian Wiedmann qeth_l2_stop_card(card); 819f9e50b02SJulian Wiedmann qeth_stop_channel(&card->data); 820f9e50b02SJulian Wiedmann qeth_stop_channel(&card->write); 821f9e50b02SJulian Wiedmann qeth_stop_channel(&card->read); 82222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 823aa909224SUrsula Braun return rc; 8244a71df50SFrank Blaschka } 8254a71df50SFrank Blaschka 82691003f35SJulian Wiedmann static void qeth_l2_set_offline(struct qeth_card *card) 8274a71df50SFrank Blaschka { 828d4560150SJulian Wiedmann qeth_l2_stop_card(card); 8294a71df50SFrank Blaschka } 8304a71df50SFrank Blaschka 8314a71df50SFrank Blaschka static int __init qeth_l2_init(void) 8324a71df50SFrank Blaschka { 83374eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 8344a71df50SFrank Blaschka return 0; 8354a71df50SFrank Blaschka } 8364a71df50SFrank Blaschka 8374a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 8384a71df50SFrank Blaschka { 83974eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 8404a71df50SFrank Blaschka } 8414a71df50SFrank Blaschka 842c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 843c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 844c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 845c044dc21SEugene Crosser { 846c044dc21SEugene Crosser switch (cmd->hdr.command) { 8479c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 8489c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 849c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 850c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 851c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 852c044dc21SEugene Crosser return 0; 853c044dc21SEugene Crosser } else 854c044dc21SEugene Crosser return 1; 855c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 856c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 857c044dc21SEugene Crosser return 0; 858c044dc21SEugene Crosser default: 859c044dc21SEugene Crosser return 1; 860c044dc21SEugene Crosser } 861c044dc21SEugene Crosser } 862c044dc21SEugene Crosser 863c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 8642d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 865c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 8664a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 8674a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 8684a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 869942d6984SJulian Wiedmann .do_ioctl = NULL, 870c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 8714a71df50SFrank Blaschka }; 872c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 8734a71df50SFrank Blaschka 8740ce37ec2SJulian Wiedmann static void qeth_osn_assist_cb(struct qeth_card *card, 87512fc286fSJulian Wiedmann struct qeth_cmd_buffer *iob, 87612fc286fSJulian Wiedmann unsigned int data_length) 8774a71df50SFrank Blaschka { 878308946b0SJulian Wiedmann qeth_notify_cmd(iob, 0); 879c3b2218dSJulian Wiedmann qeth_put_cmd(iob); 8804a71df50SFrank Blaschka } 8814a71df50SFrank Blaschka 8824a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 8834a71df50SFrank Blaschka { 8844a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 8854a71df50SFrank Blaschka struct qeth_card *card; 8864a71df50SFrank Blaschka 887a59d121dSJulian Wiedmann if (data_len < 0) 888a59d121dSJulian Wiedmann return -EINVAL; 8894a71df50SFrank Blaschka if (!dev) 8904a71df50SFrank Blaschka return -ENODEV; 891509e2562SHeiko Carstens card = dev->ml_priv; 8924a71df50SFrank Blaschka if (!card) 8934a71df50SFrank Blaschka return -ENODEV; 894847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 895c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 8964a71df50SFrank Blaschka return -ENODEV; 897a59d121dSJulian Wiedmann 898a59d121dSJulian Wiedmann iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1, 899a59d121dSJulian Wiedmann QETH_IPA_TIMEOUT); 9001273a800SJulian Wiedmann if (!iob) 9011273a800SJulian Wiedmann return -ENOMEM; 9021273a800SJulian Wiedmann 9037f92316cSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len, NULL); 9047f92316cSJulian Wiedmann 905ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 9060ce37ec2SJulian Wiedmann iob->callback = qeth_osn_assist_cb; 9070ce37ec2SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, NULL, NULL); 9084a71df50SFrank Blaschka } 9094a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 9104a71df50SFrank Blaschka 9114a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 9124a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 9134a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 9144a71df50SFrank Blaschka { 9154a71df50SFrank Blaschka struct qeth_card *card; 916d7d18da1SJulian Wiedmann char bus_id[16]; 917d7d18da1SJulian Wiedmann u16 devno; 9184a71df50SFrank Blaschka 919d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 920d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 921d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 922d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 9234a71df50SFrank Blaschka return -ENODEV; 924d7d18da1SJulian Wiedmann *dev = card->dev; 925d7d18da1SJulian Wiedmann 926847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 9274a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 9284a71df50SFrank Blaschka return -EINVAL; 9294a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 9304a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 9314a71df50SFrank Blaschka return 0; 9324a71df50SFrank Blaschka } 9334a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 9344a71df50SFrank Blaschka 9354a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 9364a71df50SFrank Blaschka { 9374a71df50SFrank Blaschka struct qeth_card *card; 9384a71df50SFrank Blaschka 9394a71df50SFrank Blaschka if (!dev) 9404a71df50SFrank Blaschka return; 941509e2562SHeiko Carstens card = dev->ml_priv; 9424a71df50SFrank Blaschka if (!card) 9434a71df50SFrank Blaschka return; 944847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 9454a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 9464a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 9474a71df50SFrank Blaschka return; 9484a71df50SFrank Blaschka } 9494a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 9504a71df50SFrank Blaschka 951b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 952b4d72c08SEugene Crosser 9539f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 9549f48b9dbSEugene Crosser 9559f48b9dbSEugene Crosser /** 9569f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 9579f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 9589f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 9599f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 9609f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 9619f48b9dbSEugene Crosser * object, 0 - addition of an object. 9629f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 9639f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 9649f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 9659f48b9dbSEugene Crosser * 9669f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 9679f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 9689f48b9dbSEugene Crosser * for all currently registered addresses. 9699f48b9dbSEugene Crosser */ 9709f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 9719f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 9729f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 9739f48b9dbSEugene Crosser { 9749f48b9dbSEugene Crosser char str[7][32]; 9759f48b9dbSEugene Crosser char *env[8]; 9769f48b9dbSEugene Crosser int i = 0; 9779f48b9dbSEugene Crosser 9789f48b9dbSEugene Crosser switch (evtype) { 9799f48b9dbSEugene Crosser case anev_reg_unreg: 9809f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 9819f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 9829f48b9dbSEugene Crosser ? "deregister" : "register"); 9839f48b9dbSEugene Crosser env[i] = str[i]; i++; 9849f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 9859f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 9869f48b9dbSEugene Crosser addr_lnid->lnid); 9879f48b9dbSEugene Crosser env[i] = str[i]; i++; 9889f48b9dbSEugene Crosser } 9899f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 9909846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 9919846e70bSEugene Crosser addr_lnid->mac); 9929f48b9dbSEugene Crosser env[i] = str[i]; i++; 9939f48b9dbSEugene Crosser } 9949f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 9959f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 9969f48b9dbSEugene Crosser env[i] = str[i]; i++; 9979f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 9989f48b9dbSEugene Crosser env[i] = str[i]; i++; 9999f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 10009f48b9dbSEugene Crosser token->chpid); 10019f48b9dbSEugene Crosser env[i] = str[i]; i++; 10029f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 10039f48b9dbSEugene Crosser env[i] = str[i]; i++; 10049f48b9dbSEugene Crosser break; 10059f48b9dbSEugene Crosser case anev_abort: 10069f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 10079f48b9dbSEugene Crosser env[i] = str[i]; i++; 10089f48b9dbSEugene Crosser break; 10099f48b9dbSEugene Crosser case anev_reset: 10109f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 10119f48b9dbSEugene Crosser env[i] = str[i]; i++; 10129f48b9dbSEugene Crosser break; 10139f48b9dbSEugene Crosser } 10149f48b9dbSEugene Crosser env[i] = NULL; 10159f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 10169f48b9dbSEugene Crosser } 10179f48b9dbSEugene Crosser 1018b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1019b4d72c08SEugene Crosser struct work_struct worker; 1020b4d72c08SEugene Crosser struct qeth_card *card; 1021b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1022b4d72c08SEugene Crosser }; 1023b4d72c08SEugene Crosser 1024b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1025b4d72c08SEugene Crosser { 1026b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1027b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1028b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1029b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1030b4d72c08SEugene Crosser char env_locrem[32]; 1031b4d72c08SEugene Crosser char env_role[32]; 1032b4d72c08SEugene Crosser char env_state[32]; 1033b4d72c08SEugene Crosser char *env[] = { 1034b4d72c08SEugene Crosser env_locrem, 1035b4d72c08SEugene Crosser env_role, 1036b4d72c08SEugene Crosser env_state, 1037b4d72c08SEugene Crosser NULL 1038b4d72c08SEugene Crosser }; 1039b4d72c08SEugene Crosser 1040b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1041b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1042c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 1043b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1044c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 1045b4d72c08SEugene Crosser 1046b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1047b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1048b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1049b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1050b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1051b4d72c08SEugene Crosser "<INVALID>"); 1052b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1053b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1054b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1055b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1056b4d72c08SEugene Crosser "<INVALID>"); 1057b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1058b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1059b4d72c08SEugene Crosser kfree(data); 1060b4d72c08SEugene Crosser } 1061b4d72c08SEugene Crosser 1062c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1063c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1064b4d72c08SEugene Crosser { 1065b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1066b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1067b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1068b4d72c08SEugene Crosser int extrasize; 1069b4d72c08SEugene Crosser 1070b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1071b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 10728a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1073b4d72c08SEugene Crosser return; 1074b4d72c08SEugene Crosser } 1075b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1076b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1077b4d72c08SEugene Crosser GFP_ATOMIC); 1078b4d72c08SEugene Crosser if (!data) { 1079b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1080b4d72c08SEugene Crosser return; 1081b4d72c08SEugene Crosser } 1082b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1083b4d72c08SEugene Crosser data->card = card; 1084b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1085b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1086c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1087b4d72c08SEugene Crosser } 1088b4d72c08SEugene Crosser 10899f48b9dbSEugene Crosser struct qeth_bridge_host_data { 10909f48b9dbSEugene Crosser struct work_struct worker; 10919f48b9dbSEugene Crosser struct qeth_card *card; 10929f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 10939f48b9dbSEugene Crosser }; 10949f48b9dbSEugene Crosser 10959f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 10969f48b9dbSEugene Crosser { 10979f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 10989f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 10999f48b9dbSEugene Crosser int i; 11009f48b9dbSEugene Crosser 11019f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 11029f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 11039c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 11049f48b9dbSEugene Crosser data->card->dev->name, 11059f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 11069f48b9dbSEugene Crosser ? "Overflow" 11079f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 11089f48b9dbSEugene Crosser ? "Bridge port state change" 11099f48b9dbSEugene Crosser : "Unknown reason"); 1110c8183f54SJulian Wiedmann mutex_lock(&data->card->sbp_lock); 11119f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 1112c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock); 11139f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 11149f48b9dbSEugene Crosser 0, NULL, NULL); 11159f48b9dbSEugene Crosser } else 11169f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 11179f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 11189f48b9dbSEugene Crosser &data->hostevs.entry[i]; 11199f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 11209f48b9dbSEugene Crosser anev_reg_unreg, 11219f48b9dbSEugene Crosser entry->change_code, 11229f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 11239f48b9dbSEugene Crosser } 11249f48b9dbSEugene Crosser kfree(data); 11259f48b9dbSEugene Crosser } 11269f48b9dbSEugene Crosser 1127c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1128c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 11299f48b9dbSEugene Crosser { 11309f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 11319f48b9dbSEugene Crosser &cmd->data.addrchange; 11329f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 11339f48b9dbSEugene Crosser int extrasize; 11349f48b9dbSEugene Crosser 11359f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 11369f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 11379f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 11389f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 11399f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 11409f48b9dbSEugene Crosser } else { 11419f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 11429f48b9dbSEugene Crosser cmd->hdr.return_code); 11439f48b9dbSEugene Crosser return; 11449f48b9dbSEugene Crosser } 11459f48b9dbSEugene Crosser } 11469f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 11479f48b9dbSEugene Crosser hostevs->num_entries; 11489f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 11499f48b9dbSEugene Crosser GFP_ATOMIC); 11509f48b9dbSEugene Crosser if (!data) { 11519f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 11529f48b9dbSEugene Crosser return; 11539f48b9dbSEugene Crosser } 11549f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 11559f48b9dbSEugene Crosser data->card = card; 11569f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 11579f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1158c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 11599f48b9dbSEugene Crosser } 11609f48b9dbSEugene Crosser 1161b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1162b4d72c08SEugene Crosser 1163b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1164b4d72c08SEugene Crosser union { 1165b4d72c08SEugene Crosser u32 supported; 1166b4d72c08SEugene Crosser struct { 1167b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1168b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1169b4d72c08SEugene Crosser } qports; 1170b4d72c08SEugene Crosser } data; 1171b4d72c08SEugene Crosser }; 1172b4d72c08SEugene Crosser 1173b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 11741709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1175b4d72c08SEugene Crosser { 11761709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 11771709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 11781709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 11791709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1180b4d72c08SEugene Crosser int rc; 1181b4d72c08SEugene Crosser 11821709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 11831709ff8dSJulian Wiedmann return 0; 11841709ff8dSJulian Wiedmann 11851709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 11861709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 11871709ff8dSJulian Wiedmann switch (sbp_rc) { 11882063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1189b4d72c08SEugene Crosser rc = 0; 1190b4d72c08SEugene Crosser break; 11912063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 11922063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1193ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1194b4d72c08SEugene Crosser break; 11952063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 11962063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1197b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1198b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 11999c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1200b4d72c08SEugene Crosser break; 12012063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 12022063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 12031b05cf62SEugene Crosser rc = -EPERM; 12041b05cf62SEugene Crosser dev_err(&card->gdev->dev, 12051b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 12061b05cf62SEugene Crosser break; 12072063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 12082063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1209b4d72c08SEugene Crosser switch (setcmd) { 1210b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1211b4d72c08SEugene Crosser rc = -EEXIST; 1212b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12139c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1214b4d72c08SEugene Crosser break; 1215b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1216b4d72c08SEugene Crosser rc = -EBUSY; 1217b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12189c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1219b4d72c08SEugene Crosser break; 1220b4d72c08SEugene Crosser default: 1221b4d72c08SEugene Crosser rc = -EIO; 1222b4d72c08SEugene Crosser } 1223b4d72c08SEugene Crosser break; 12242063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 12252063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1226b4d72c08SEugene Crosser rc = -EBUSY; 1227b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12289c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1229b4d72c08SEugene Crosser break; 12302063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 12312063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1232b4d72c08SEugene Crosser rc = -EEXIST; 1233b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12349c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1235b4d72c08SEugene Crosser break; 12362063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 12372063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1238b4d72c08SEugene Crosser rc = -EBUSY; 1239b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12409c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1241b4d72c08SEugene Crosser break; 12422063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 12432063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1244b4d72c08SEugene Crosser rc = -EACCES; 1245b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 12469c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1247b4d72c08SEugene Crosser break; 1248b4d72c08SEugene Crosser default: 1249b4d72c08SEugene Crosser rc = -EIO; 1250b4d72c08SEugene Crosser } 12511709ff8dSJulian Wiedmann } else { 12521709ff8dSJulian Wiedmann switch (ipa_rc) { 1253b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1254ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1255b4d72c08SEugene Crosser break; 1256b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1257ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1258b4d72c08SEugene Crosser break; 1259b4d72c08SEugene Crosser default: 1260b4d72c08SEugene Crosser rc = -EIO; 1261b4d72c08SEugene Crosser } 12621709ff8dSJulian Wiedmann } 12639c23f4daSEugene Crosser 1264b4d72c08SEugene Crosser if (rc) { 12651709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 12661709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1267b4d72c08SEugene Crosser } 1268b4d72c08SEugene Crosser return rc; 1269b4d72c08SEugene Crosser } 1270b4d72c08SEugene Crosser 1271d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1272d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1273b9150461SJulian Wiedmann unsigned int data_length) 12749c23f4daSEugene Crosser { 1275379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 12769c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1277b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr; 1278d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1279d65626adSJulian Wiedmann 1280b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE, 1281b9150461SJulian Wiedmann data_length + 1282b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport, 1283b9150461SJulian Wiedmann data)); 1284d65626adSJulian Wiedmann if (!iob) 1285d65626adSJulian Wiedmann return iob; 1286b9150461SJulian Wiedmann 1287b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr; 1288b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length; 1289b9150461SJulian Wiedmann hdr->command_code = sbp_cmd; 1290b9150461SJulian Wiedmann hdr->used_total = 1; 1291b9150461SJulian Wiedmann hdr->seq_no = 1; 1292d65626adSJulian Wiedmann return iob; 12939c23f4daSEugene Crosser } 12949c23f4daSEugene Crosser 1295b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1296b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1297b4d72c08SEugene Crosser { 1298b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1299b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 13001709ff8dSJulian Wiedmann int rc; 13011709ff8dSJulian Wiedmann 1302b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 13031709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 13041709ff8dSJulian Wiedmann if (rc) 13051709ff8dSJulian Wiedmann return rc; 13061709ff8dSJulian Wiedmann 1307b4d72c08SEugene Crosser cbctl->data.supported = 1308b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1309b4d72c08SEugene Crosser return 0; 1310b4d72c08SEugene Crosser } 1311b4d72c08SEugene Crosser 1312b4d72c08SEugene Crosser /** 1313b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1314b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1315b4d72c08SEugene Crosser * 1316b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1317b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1318b4d72c08SEugene Crosser */ 1319c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1320b4d72c08SEugene Crosser { 1321b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1322b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1323b4d72c08SEugene Crosser 1324b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1325d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1326b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp)); 13271aec42bcSThomas Richter if (!iob) 13281aec42bcSThomas Richter return; 13291709ff8dSJulian Wiedmann 1330b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 13311709ff8dSJulian Wiedmann &cbctl)) { 1332b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 13331709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1334b4d72c08SEugene Crosser return; 1335b4d72c08SEugene Crosser } 1336b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1337b4d72c08SEugene Crosser } 1338b4d72c08SEugene Crosser 1339b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1340b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1341b4d72c08SEugene Crosser { 1342b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1343b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1344b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 13451709ff8dSJulian Wiedmann int rc; 1346b4d72c08SEugene Crosser 1347b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 13481709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 13491709ff8dSJulian Wiedmann if (rc) 13501709ff8dSJulian Wiedmann return rc; 13511709ff8dSJulian Wiedmann 1352b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1353b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 13541709ff8dSJulian Wiedmann return -EINVAL; 1355b4d72c08SEugene Crosser } 1356b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1357b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1358b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1359b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1360b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1361b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1362b4d72c08SEugene Crosser } 1363b4d72c08SEugene Crosser return 0; 1364b4d72c08SEugene Crosser } 1365b4d72c08SEugene Crosser 1366b4d72c08SEugene Crosser /** 1367b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1368b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1369b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1370b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1371b4d72c08SEugene Crosser * 1372b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1373b4d72c08SEugene Crosser * 1374b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1375b4d72c08SEugene Crosser */ 1376b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1377b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1378b4d72c08SEugene Crosser { 1379b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1380b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1381b4d72c08SEugene Crosser .data = { 1382b4d72c08SEugene Crosser .qports = { 1383b4d72c08SEugene Crosser .role = role, 1384b4d72c08SEugene Crosser .state = state, 1385b4d72c08SEugene Crosser }, 1386b4d72c08SEugene Crosser }, 1387b4d72c08SEugene Crosser }; 1388b4d72c08SEugene Crosser 1389b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1390b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1391b4d72c08SEugene Crosser return -EOPNOTSUPP; 1392d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 13931aec42bcSThomas Richter if (!iob) 13941aec42bcSThomas Richter return -ENOMEM; 13951709ff8dSJulian Wiedmann 13961709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 13971709ff8dSJulian Wiedmann &cbctl); 1398b4d72c08SEugene Crosser } 1399b4d72c08SEugene Crosser 1400b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1401b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1402b4d72c08SEugene Crosser { 1403b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 14041709ff8dSJulian Wiedmann 1405b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 14061709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1407b4d72c08SEugene Crosser } 1408b4d72c08SEugene Crosser 1409b4d72c08SEugene Crosser /** 1410b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1411b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1412b4d72c08SEugene Crosser * @role: Role to assign. 1413b4d72c08SEugene Crosser * 1414b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1415b4d72c08SEugene Crosser */ 1416b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1417b4d72c08SEugene Crosser { 1418b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1419b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1420b9150461SJulian Wiedmann unsigned int cmdlength = 0; 1421b4d72c08SEugene Crosser 1422b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1423b4d72c08SEugene Crosser switch (role) { 1424b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1425b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1426b4d72c08SEugene Crosser break; 1427b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1428b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1429b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary); 1430b4d72c08SEugene Crosser break; 1431b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1432b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1433b4d72c08SEugene Crosser break; 1434b4d72c08SEugene Crosser default: 1435b4d72c08SEugene Crosser return -EINVAL; 1436b4d72c08SEugene Crosser } 1437b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1438b4d72c08SEugene Crosser return -EOPNOTSUPP; 1439d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 14401aec42bcSThomas Richter if (!iob) 14411aec42bcSThomas Richter return -ENOMEM; 14421709ff8dSJulian Wiedmann 14431709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1444b4d72c08SEugene Crosser } 1445b4d72c08SEugene Crosser 14469f48b9dbSEugene Crosser /** 14479f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 14489f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 14499f48b9dbSEugene Crosser * 14509f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 14519f48b9dbSEugene Crosser */ 14529f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 14539f48b9dbSEugene Crosser { 14549f48b9dbSEugene Crosser int rc; 14559f48b9dbSEugene Crosser 14569f48b9dbSEugene Crosser if (pnso_rc == 0) 14579f48b9dbSEugene Crosser switch (response) { 14589f48b9dbSEugene Crosser case 0x0001: 14599f48b9dbSEugene Crosser rc = 0; 14609f48b9dbSEugene Crosser break; 14619f48b9dbSEugene Crosser case 0x0004: 14629f48b9dbSEugene Crosser case 0x0100: 14639f48b9dbSEugene Crosser case 0x0106: 1464ffb95251SEugene Crosser rc = -EOPNOTSUPP; 14659f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 14669f48b9dbSEugene Crosser "Setting address notification failed\n"); 14679f48b9dbSEugene Crosser break; 14689f48b9dbSEugene Crosser case 0x0107: 14699f48b9dbSEugene Crosser rc = -EAGAIN; 14709f48b9dbSEugene Crosser break; 14719f48b9dbSEugene Crosser default: 14729f48b9dbSEugene Crosser rc = -EIO; 14739f48b9dbSEugene Crosser } 14749f48b9dbSEugene Crosser else 14759f48b9dbSEugene Crosser rc = -EIO; 14769f48b9dbSEugene Crosser 14779f48b9dbSEugene Crosser if (rc) { 14789f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 14799f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 14809f48b9dbSEugene Crosser } 14819f48b9dbSEugene Crosser return rc; 14829f48b9dbSEugene Crosser } 14839f48b9dbSEugene Crosser 14849f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 14859f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 14869f48b9dbSEugene Crosser { 14879f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 14889f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 14899f48b9dbSEugene Crosser u8 code; 14909f48b9dbSEugene Crosser 14919f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 14929f48b9dbSEugene Crosser WARN_ON_ONCE(1); 14939f48b9dbSEugene Crosser return; 14949f48b9dbSEugene Crosser } 14959f48b9dbSEugene Crosser 14969f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 14979f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 149833572619SAlexandra Winter if (l2entry->addr_lnid.lnid < VLAN_N_VID) 14999f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 15009f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 15019f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 15029f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 15039f48b9dbSEugene Crosser } 15049f48b9dbSEugene Crosser 15059f48b9dbSEugene Crosser /** 15069f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 15079f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 15089f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 15099f48b9dbSEugene Crosser * 15109f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 15119f48b9dbSEugene Crosser * 15129f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 15139f48b9dbSEugene Crosser * currently registered hosts. 15149f48b9dbSEugene Crosser */ 15159f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 15169f48b9dbSEugene Crosser { 15179f48b9dbSEugene Crosser int rc; 15189f48b9dbSEugene Crosser u16 response; 15199f48b9dbSEugene Crosser struct ccw_device *ddev; 15209f48b9dbSEugene Crosser struct subchannel_id schid; 15219f48b9dbSEugene Crosser 15229f48b9dbSEugene Crosser if (!card) 15239f48b9dbSEugene Crosser return -EINVAL; 15249f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 15259f48b9dbSEugene Crosser return -EOPNOTSUPP; 15269f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 15279f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 15289f48b9dbSEugene Crosser 15299f48b9dbSEugene Crosser if (enable) { 15309f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 15319f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 15329f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 15339f48b9dbSEugene Crosser } else 15349f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 15359f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 15369f48b9dbSEugene Crosser } 15379f48b9dbSEugene Crosser 1538caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1539caa1f0b1SHans Wippel { 1540caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1541caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1542caa1f0b1SHans Wippel } 1543caa1f0b1SHans Wippel 1544a45b3fafSHans Wippel /* VNIC Characteristics support */ 1545a45b3fafSHans Wippel 1546a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1547742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1548a45b3fafSHans Wippel { 1549a45b3fafSHans Wippel int rc; 1550a45b3fafSHans Wippel 1551a45b3fafSHans Wippel switch (ipa_rc) { 1552a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1553a45b3fafSHans Wippel return ipa_rc; 1554a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1555a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1556a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1557a45b3fafSHans Wippel break; 1558a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1559a45b3fafSHans Wippel rc = -EALREADY; 1560a45b3fafSHans Wippel break; 1561a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1562a45b3fafSHans Wippel rc = -EBUSY; 1563a45b3fafSHans Wippel break; 1564a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1565a45b3fafSHans Wippel rc = -ENOSPC; 1566a45b3fafSHans Wippel break; 1567a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1568a45b3fafSHans Wippel rc = -EACCES; 1569a45b3fafSHans Wippel break; 1570a45b3fafSHans Wippel default: 1571a45b3fafSHans Wippel rc = -EIO; 1572a45b3fafSHans Wippel } 1573a45b3fafSHans Wippel 1574a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1575a45b3fafSHans Wippel return rc; 1576a45b3fafSHans Wippel } 1577a45b3fafSHans Wippel 1578a45b3fafSHans Wippel /* generic VNICC request call back */ 1579a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1580a45b3fafSHans Wippel struct qeth_reply *reply, 1581a45b3fafSHans Wippel unsigned long data) 1582a45b3fafSHans Wippel { 1583a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1584a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 15852744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command; 1586a45b3fafSHans Wippel 1587a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1588a45b3fafSHans Wippel if (cmd->hdr.return_code) 1589742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1590a45b3fafSHans Wippel /* return results to caller */ 15912cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported; 15922cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled; 1593a45b3fafSHans Wippel 15942744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS) 159549f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.query_cmds.sup_cmds; 15962744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT) 159749f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.getset_timeout.timeout; 1598349d13d5SHans Wippel 1599a45b3fafSHans Wippel return 0; 1600a45b3fafSHans Wippel } 1601a45b3fafSHans Wippel 16022cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card, 16032cfb4810SJulian Wiedmann u32 vnicc_cmd, 16042cfb4810SJulian Wiedmann unsigned int data_length) 1605a45b3fafSHans Wippel { 16062cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr; 1607a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1608a45b3fafSHans Wippel 16092cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE, 16102cfb4810SJulian Wiedmann data_length + 16112cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data)); 1612a45b3fafSHans Wippel if (!iob) 16132cfb4810SJulian Wiedmann return NULL; 1614a45b3fafSHans Wippel 16152cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr; 16162cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length; 16172cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd; 16182cfb4810SJulian Wiedmann return iob; 1619a45b3fafSHans Wippel } 1620a45b3fafSHans Wippel 1621a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1622a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1623a45b3fafSHans Wippel { 16242cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16252cfb4810SJulian Wiedmann 16262cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch"); 16272cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0); 16282cfb4810SJulian Wiedmann if (!iob) 16292cfb4810SJulian Wiedmann return -ENOMEM; 1630a45b3fafSHans Wippel 16312744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1632a45b3fafSHans Wippel } 1633a45b3fafSHans Wippel 1634caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1635caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1636caa1f0b1SHans Wippel u32 *sup_cmds) 1637caa1f0b1SHans Wippel { 16382cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16392cfb4810SJulian Wiedmann 16402cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm"); 16412cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS, 16422cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds)); 16432cfb4810SJulian Wiedmann if (!iob) 16442cfb4810SJulian Wiedmann return -ENOMEM; 16452cfb4810SJulian Wiedmann 16462cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char; 1647caa1f0b1SHans Wippel 164849f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, sup_cmds); 1649caa1f0b1SHans Wippel } 1650caa1f0b1SHans Wippel 1651caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1652caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1653caa1f0b1SHans Wippel u32 cmd) 1654caa1f0b1SHans Wippel { 16552cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16562cfb4810SJulian Wiedmann 16572cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc"); 16582cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char)); 16592cfb4810SJulian Wiedmann if (!iob) 16602cfb4810SJulian Wiedmann return -ENOMEM; 16612cfb4810SJulian Wiedmann 16622cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char; 1663caa1f0b1SHans Wippel 16642744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1665caa1f0b1SHans Wippel } 1666caa1f0b1SHans Wippel 1667349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1668349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1669349d13d5SHans Wippel u32 cmd, u32 *timeout) 1670349d13d5SHans Wippel { 16712cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout; 16722cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 16732cfb4810SJulian Wiedmann 16742cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst"); 16752cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, 16762cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout)); 16772cfb4810SJulian Wiedmann if (!iob) 16782cfb4810SJulian Wiedmann return -ENOMEM; 16792cfb4810SJulian Wiedmann 16802cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout; 16812cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc; 16822cfb4810SJulian Wiedmann 16832cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT) 16842cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout; 1685349d13d5SHans Wippel 168649f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, timeout); 1687349d13d5SHans Wippel } 1688349d13d5SHans Wippel 1689caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1690caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1691caa1f0b1SHans Wippel { 1692caa1f0b1SHans Wippel int rc = 0; 1693caa1f0b1SHans Wippel u32 cmd; 1694caa1f0b1SHans Wippel 1695caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1696caa1f0b1SHans Wippel 1697caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1698caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1699caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1700caa1f0b1SHans Wippel return -EOPNOTSUPP; 1701caa1f0b1SHans Wippel 17026f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17036f3846f0SAlexandra Winter return -EBUSY; 17046f3846f0SAlexandra Winter 1705caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1706caa1f0b1SHans Wippel if (state) { 1707caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1708caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1709caa1f0b1SHans Wippel } else { 1710caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1711caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1712caa1f0b1SHans Wippel } 1713caa1f0b1SHans Wippel 1714caa1f0b1SHans Wippel /* do we need to do anything? */ 1715caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1716caa1f0b1SHans Wippel return rc; 1717caa1f0b1SHans Wippel 1718caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1719caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1720caa1f0b1SHans Wippel if (state) 1721caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1722caa1f0b1SHans Wippel else 1723caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1724caa1f0b1SHans Wippel return rc; 1725caa1f0b1SHans Wippel } 1726caa1f0b1SHans Wippel 1727caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1728caa1f0b1SHans Wippel if (rc) 1729caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1730caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1731349d13d5SHans Wippel else { 1732349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1733349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1734caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1735349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1736349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1737349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1738349d13d5SHans Wippel } 1739caa1f0b1SHans Wippel 1740caa1f0b1SHans Wippel return rc; 1741caa1f0b1SHans Wippel } 1742caa1f0b1SHans Wippel 1743caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1744caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1745caa1f0b1SHans Wippel { 1746caa1f0b1SHans Wippel int rc = 0; 1747caa1f0b1SHans Wippel 1748caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1749caa1f0b1SHans Wippel 1750caa1f0b1SHans Wippel /* check if characteristic is supported */ 1751caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1752caa1f0b1SHans Wippel return -EOPNOTSUPP; 1753caa1f0b1SHans Wippel 17546f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17556f3846f0SAlexandra Winter return -EBUSY; 17566f3846f0SAlexandra Winter 1757caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1758caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1759caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1760caa1f0b1SHans Wippel 1761caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1762caa1f0b1SHans Wippel return rc; 1763caa1f0b1SHans Wippel } 1764caa1f0b1SHans Wippel 1765349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1766349d13d5SHans Wippel * supports timeout 1767349d13d5SHans Wippel */ 1768349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1769349d13d5SHans Wippel { 1770349d13d5SHans Wippel int rc = 0; 1771349d13d5SHans Wippel 1772349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 1773349d13d5SHans Wippel 1774349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 1775349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1776349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1777349d13d5SHans Wippel return -EOPNOTSUPP; 1778349d13d5SHans Wippel 17796f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 17806f3846f0SAlexandra Winter return -EBUSY; 17816f3846f0SAlexandra Winter 1782349d13d5SHans Wippel /* do we need to do anything? */ 1783349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 1784349d13d5SHans Wippel return rc; 1785349d13d5SHans Wippel 1786349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 1787349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1788349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1789349d13d5SHans Wippel return rc; 1790349d13d5SHans Wippel } 1791349d13d5SHans Wippel 1792349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 1793349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1794349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 1795349d13d5SHans Wippel if (!rc) 1796349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1797349d13d5SHans Wippel 1798349d13d5SHans Wippel return rc; 1799349d13d5SHans Wippel } 1800349d13d5SHans Wippel 1801349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 1802349d13d5SHans Wippel * learning supports timeout 1803349d13d5SHans Wippel */ 1804349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 1805349d13d5SHans Wippel { 1806349d13d5SHans Wippel int rc = 0; 1807349d13d5SHans Wippel 1808349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 1809349d13d5SHans Wippel 1810349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 1811349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1812349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1813349d13d5SHans Wippel return -EOPNOTSUPP; 18146f3846f0SAlexandra Winter 18156f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) 18166f3846f0SAlexandra Winter return -EBUSY; 18176f3846f0SAlexandra Winter 1818349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 1819349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 1820349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 1821349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1822349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 1823349d13d5SHans Wippel timeout); 1824349d13d5SHans Wippel 1825349d13d5SHans Wippel return rc; 1826349d13d5SHans Wippel } 1827349d13d5SHans Wippel 1828caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 1829caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 1830caa1f0b1SHans Wippel { 1831e8a66d80SAlexandra Winter if (!card->options.vnicc.sup_chars) 1832caa1f0b1SHans Wippel return false; 1833caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 1834caa1f0b1SHans Wippel * or the card is offline. 1835caa1f0b1SHans Wippel */ 1836caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 1837caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 1838caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 1839caa1f0b1SHans Wippel return false; 1840caa1f0b1SHans Wippel } 1841caa1f0b1SHans Wippel return true; 1842caa1f0b1SHans Wippel } 1843caa1f0b1SHans Wippel 1844349d13d5SHans Wippel /* recover user timeout setting */ 1845349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 1846349d13d5SHans Wippel u32 *timeout) 1847349d13d5SHans Wippel { 1848349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1849349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 1850349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 1851349d13d5SHans Wippel timeout)) 1852349d13d5SHans Wippel return false; 1853349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 1854349d13d5SHans Wippel return true; 1855349d13d5SHans Wippel } 1856349d13d5SHans Wippel 1857caa1f0b1SHans Wippel /* recover user characteristic setting */ 1858caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 1859caa1f0b1SHans Wippel bool enable) 1860caa1f0b1SHans Wippel { 1861caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 1862caa1f0b1SHans Wippel 1863caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 1864caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 1865caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 1866caa1f0b1SHans Wippel return false; 1867caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1868caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 1869caa1f0b1SHans Wippel return true; 1870caa1f0b1SHans Wippel } 1871caa1f0b1SHans Wippel 1872a45b3fafSHans Wippel /* (re-)initialize VNICC */ 1873a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 1874a45b3fafSHans Wippel { 1875349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 1876b528965bSAlexandra Winter bool enable, error = false; 1877caa1f0b1SHans Wippel unsigned int chars_len, i; 1878caa1f0b1SHans Wippel unsigned long chars_tmp; 1879caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 1880caa1f0b1SHans Wippel 1881a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 1882caa1f0b1SHans Wippel /* reset rx_bcast */ 1883caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 1884a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 1885a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 1886349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 1887349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 1888caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 1889caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 1890a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 1891a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 1892caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 1893caa1f0b1SHans Wippel return; 1894a45b3fafSHans Wippel } 1895caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 1896caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 1897caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 1898caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 1899caa1f0b1SHans Wippel vnicc = BIT(i); 1900b528965bSAlexandra Winter if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) { 1901b528965bSAlexandra Winter sup_cmds = 0; 1902b528965bSAlexandra Winter error = true; 1903b528965bSAlexandra Winter } 1904be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) && 1905be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_GET_TIMEOUT)) 1906be40a86cSAlexandra Winter card->options.vnicc.getset_timeout_sup |= vnicc; 1907be40a86cSAlexandra Winter else 1908349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 1909be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_ENABLE) && 1910be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_DISABLE)) 1911be40a86cSAlexandra Winter card->options.vnicc.set_char_sup |= vnicc; 1912be40a86cSAlexandra Winter else 1913caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 1914caa1f0b1SHans Wippel } 1915caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 1916b528965bSAlexandra Winter error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 1917349d13d5SHans Wippel timeout); 1918d1b9ae18SAlexandra Winter /* Change chars, if necessary */ 1919d1b9ae18SAlexandra Winter chars_tmp = card->options.vnicc.wanted_chars ^ 1920d1b9ae18SAlexandra Winter card->options.vnicc.cur_chars; 1921caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 1922caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 1923caa1f0b1SHans Wippel vnicc = BIT(i); 1924caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 1925caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 1926caa1f0b1SHans Wippel } 1927caa1f0b1SHans Wippel if (error) 1928caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 1929caa1f0b1SHans Wippel } 1930caa1f0b1SHans Wippel 1931caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 1932caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 1933caa1f0b1SHans Wippel { 1934caa1f0b1SHans Wippel /* characteristics values */ 1935caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 1936caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 1937349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 1938caa1f0b1SHans Wippel /* supported commands */ 1939caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 1940349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 1941caa1f0b1SHans Wippel /* settings wanted by users */ 1942caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 1943a45b3fafSHans Wippel } 1944a45b3fafSHans Wippel 19454a71df50SFrank Blaschka module_init(qeth_l2_init); 19464a71df50SFrank Blaschka module_exit(qeth_l2_exit); 19474a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 19484a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 19494a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 1950