1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 28c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 29c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 30c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 31c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 32c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 33caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 34a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 35349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 36349d13d5SHans Wippel u32 *timeout); 374a71df50SFrank Blaschka 38742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode) 394a71df50SFrank Blaschka { 40efbbc1d5SEugene Crosser int rc; 414a71df50SFrank Blaschka 42efbbc1d5SEugene Crosser if (retcode) 431aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 44efbbc1d5SEugene Crosser switch (retcode) { 45efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 46efbbc1d5SEugene Crosser rc = 0; 47efbbc1d5SEugene Crosser break; 48efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 49ffb95251SEugene Crosser rc = -EOPNOTSUPP; 50efbbc1d5SEugene Crosser break; 51efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 52efbbc1d5SEugene Crosser rc = -ENOSPC; 53efbbc1d5SEugene Crosser break; 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 55efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 56efbbc1d5SEugene Crosser rc = -EEXIST; 57efbbc1d5SEugene Crosser break; 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 59efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 60efbbc1d5SEugene Crosser rc = -EPERM; 61efbbc1d5SEugene Crosser break; 62efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 63efbbc1d5SEugene Crosser rc = -ENOENT; 64efbbc1d5SEugene Crosser break; 65efbbc1d5SEugene Crosser default: 66efbbc1d5SEugene Crosser rc = -EIO; 67efbbc1d5SEugene Crosser break; 684a71df50SFrank Blaschka } 69efbbc1d5SEugene Crosser return rc; 704a71df50SFrank Blaschka } 714a71df50SFrank Blaschka 72742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card, 73742d4d40SJulian Wiedmann struct qeth_reply *reply, 74742d4d40SJulian Wiedmann unsigned long data) 75742d4d40SJulian Wiedmann { 76742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 77742d4d40SJulian Wiedmann 78742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code); 79742d4d40SJulian Wiedmann } 80742d4d40SJulian Wiedmann 81ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 82ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 83ac988d78SJulian Wiedmann { 84ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 85ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 86ac988d78SJulian Wiedmann 87ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 88a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 89a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac)); 90ac988d78SJulian Wiedmann if (!iob) 91ac988d78SJulian Wiedmann return -ENOMEM; 92ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 9399f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 9499f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 95742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL); 96ac988d78SJulian Wiedmann } 97ac988d78SJulian Wiedmann 98ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 99ac988d78SJulian Wiedmann { 100ac988d78SJulian Wiedmann int rc; 101ac988d78SJulian Wiedmann 102ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 103ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 104ac988d78SJulian Wiedmann if (rc == 0) { 105ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 106654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac); 107ac988d78SJulian Wiedmann } else { 108ac988d78SJulian Wiedmann switch (rc) { 109ac988d78SJulian Wiedmann case -EEXIST: 110ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 111ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 112ac988d78SJulian Wiedmann break; 113ac988d78SJulian Wiedmann case -EPERM: 114ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 115ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 116ac988d78SJulian Wiedmann break; 117ac988d78SJulian Wiedmann } 118ac988d78SJulian Wiedmann } 119ac988d78SJulian Wiedmann return rc; 120ac988d78SJulian Wiedmann } 121ac988d78SJulian Wiedmann 1228174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1234a71df50SFrank Blaschka { 1249d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1258174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 126efbbc1d5SEugene Crosser int rc; 127efbbc1d5SEugene Crosser 1288174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1298174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 130efbbc1d5SEugene Crosser if (rc == -EEXIST) 131e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 132e19e5be8SJulian Wiedmann CARD_DEVID(card)); 133efbbc1d5SEugene Crosser else if (rc) 134e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 135e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 136efbbc1d5SEugene Crosser return rc; 1374a71df50SFrank Blaschka } 1384a71df50SFrank Blaschka 1398174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1404a71df50SFrank Blaschka { 1419d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1428174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 143efbbc1d5SEugene Crosser int rc; 144efbbc1d5SEugene Crosser 1458174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1468174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 147efbbc1d5SEugene Crosser if (rc) 148e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 149e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 150efbbc1d5SEugene Crosser return rc; 1514a71df50SFrank Blaschka } 1524a71df50SFrank Blaschka 153d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) 1544a71df50SFrank Blaschka { 155fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 156fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 157fe5c8028SLakhvich Dmitriy int i; 1584a71df50SFrank Blaschka 159fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 160fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 161fe5c8028SLakhvich Dmitriy kfree(mac); 1624a71df50SFrank Blaschka } 1634a71df50SFrank Blaschka } 1644a71df50SFrank Blaschka 165b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, 166b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb, 167eca1d5c2SJulian Wiedmann int ipv, unsigned int data_len) 1684a71df50SFrank Blaschka { 169eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb); 1700aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1714a71df50SFrank Blaschka 172ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1734a71df50SFrank Blaschka 1740aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1750aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1760aef8392SJulian Wiedmann } else { 1770aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 178fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 179fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 180b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, skbs_csum); 181fc69660bSJulian Wiedmann } 1820aef8392SJulian Wiedmann } 183fc69660bSJulian Wiedmann 1844a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1854a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1864a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1874a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1884a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1894a71df50SFrank Blaschka else 190ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1914a71df50SFrank Blaschka 1924a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 1934a71df50SFrank Blaschka * information to be present in 1944a71df50SFrank Blaschka * the QDIO header */ 1954a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 1964a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 1974a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 1984a71df50SFrank Blaschka } 1994a71df50SFrank Blaschka } 2004a71df50SFrank Blaschka 201742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode) 2024a71df50SFrank Blaschka { 2032aa48671SJulian Wiedmann if (retcode) 2042aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2052aa48671SJulian Wiedmann 2062aa48671SJulian Wiedmann switch (retcode) { 2072aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2082aa48671SJulian Wiedmann return 0; 2092aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2102aa48671SJulian Wiedmann return -EINVAL; 2112aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2122aa48671SJulian Wiedmann return -EEXIST; 2132aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2142aa48671SJulian Wiedmann return -ENOENT; 2152aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2162aa48671SJulian Wiedmann return -EPERM; 2172aa48671SJulian Wiedmann default: 2182aa48671SJulian Wiedmann return -EIO; 2192aa48671SJulian Wiedmann } 2202aa48671SJulian Wiedmann } 2212aa48671SJulian Wiedmann 2222aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2232aa48671SJulian Wiedmann struct qeth_reply *reply, 2242aa48671SJulian Wiedmann unsigned long data) 2252aa48671SJulian Wiedmann { 2262aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2274a71df50SFrank Blaschka 228847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2294a71df50SFrank Blaschka if (cmd->hdr.return_code) { 230e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2312aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 232e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 233847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 2344a71df50SFrank Blaschka } 235742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code); 2364a71df50SFrank Blaschka } 2374a71df50SFrank Blaschka 2384a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2394a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2404a71df50SFrank Blaschka { 2414a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2424a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2434a71df50SFrank Blaschka 244847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 245a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4, 246a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan)); 2471aec42bcSThomas Richter if (!iob) 2481aec42bcSThomas Richter return -ENOMEM; 249ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2504a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 251742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL); 2524a71df50SFrank Blaschka } 2534a71df50SFrank Blaschka 25480d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 25580d5c368SPatrick McHardy __be16 proto, u16 vid) 2564a71df50SFrank Blaschka { 257509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2584a71df50SFrank Blaschka 259847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 26010651db7SUrsula Braun if (!vid) 2618e586137SJiri Pirko return 0; 262e6e771b3SJulian Wiedmann 2635fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2644a71df50SFrank Blaschka } 2654a71df50SFrank Blaschka 26680d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 26780d5c368SPatrick McHardy __be16 proto, u16 vid) 2684a71df50SFrank Blaschka { 269509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2704a71df50SFrank Blaschka 271847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 2725fc692a7SJulian Wiedmann if (!vid) 2735fc692a7SJulian Wiedmann return 0; 274e6e771b3SJulian Wiedmann 2755fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 2764a71df50SFrank Blaschka } 2774a71df50SFrank Blaschka 278d4560150SJulian Wiedmann static void qeth_l2_stop_card(struct qeth_card *card) 2794a71df50SFrank Blaschka { 28057a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "stopcard"); 2814a71df50SFrank Blaschka 2824a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 2830f7aedbdSJulian Wiedmann 284d0c74825SJulian Wiedmann cancel_work_sync(&card->rx_mode_work); 285d0c74825SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card); 286d0c74825SJulian Wiedmann 2874a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 2884a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 2894a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 2904a71df50SFrank Blaschka } 2914a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 2924a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 29341c47da3SJulian Wiedmann qeth_drain_output_queues(card); 2944a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 2954a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 2964a71df50SFrank Blaschka } 297ad160872SJulian Wiedmann 298c0a2e4d1SJulian Wiedmann flush_workqueue(card->event_wq); 2997bd2275cSJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3004a71df50SFrank Blaschka } 3014a71df50SFrank Blaschka 302a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 303a1c3ed4cSFrank Blaschka int budget, int *done) 3044a71df50SFrank Blaschka { 305a1c3ed4cSFrank Blaschka int work_done = 0; 3064a71df50SFrank Blaschka struct sk_buff *skb; 3074a71df50SFrank Blaschka struct qeth_hdr *hdr; 3084a71df50SFrank Blaschka unsigned int len; 3094a71df50SFrank Blaschka 310a1c3ed4cSFrank Blaschka *done = 0; 31118af5c17SStefan Raspl WARN_ON_ONCE(!budget); 312a1c3ed4cSFrank Blaschka while (budget) { 313a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 314b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 315a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 316a1c3ed4cSFrank Blaschka if (!skb) { 317a1c3ed4cSFrank Blaschka *done = 1; 318a1c3ed4cSFrank Blaschka break; 3194a71df50SFrank Blaschka } 3204a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 3214a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 3224a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 3236195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 3244a71df50SFrank Blaschka len = skb->len; 3259abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 3264a71df50SFrank Blaschka break; 3274a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 328379ac99eSJulian Wiedmann if (IS_OSN(card)) { 3294a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 3304a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 3314a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 3324a71df50SFrank Blaschka len = skb->len; 3334a71df50SFrank Blaschka card->osn_info.data_cb(skb); 3344a71df50SFrank Blaschka break; 3352d488c2fSUrsula Braun } 3367b733151SGustavo A. R. Silva /* Else, fall through */ 3374a71df50SFrank Blaschka default: 3384a71df50SFrank Blaschka dev_kfree_skb_any(skb); 339847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 3400ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 3414a71df50SFrank Blaschka continue; 3424a71df50SFrank Blaschka } 343a1c3ed4cSFrank Blaschka work_done++; 344a1c3ed4cSFrank Blaschka budget--; 345b0abc4f5SJulian Wiedmann QETH_CARD_STAT_INC(card, rx_packets); 346b0abc4f5SJulian Wiedmann QETH_CARD_STAT_ADD(card, rx_bytes, len); 3474a71df50SFrank Blaschka } 348a1c3ed4cSFrank Blaschka return work_done; 349a1c3ed4cSFrank Blaschka } 350a1c3ed4cSFrank Blaschka 3514a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 3524a71df50SFrank Blaschka { 3534a71df50SFrank Blaschka int rc = 0; 3544a71df50SFrank Blaschka 35557a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac"); 3564a71df50SFrank Blaschka 357ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 358ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 359ec61bd2fSJulian Wiedmann if (!rc) 360ec61bd2fSJulian Wiedmann goto out; 361e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 362e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 36357a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc); 364ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 365ec61bd2fSJulian Wiedmann } 366ec61bd2fSJulian Wiedmann 367b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 3684a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 3694b7ae122SJulian Wiedmann if (!rc) 37021b1702aSJulian Wiedmann goto out; 371e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 372e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 37357a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc); 37421b1702aSJulian Wiedmann /* fall back once more: */ 3754a71df50SFrank Blaschka } 37621b1702aSJulian Wiedmann 37721b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 378379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) 37921b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 38021b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 38121b1702aSJulian Wiedmann 382ec61bd2fSJulian Wiedmann out: 38357a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len); 3844a71df50SFrank Blaschka return 0; 3854a71df50SFrank Blaschka } 3864a71df50SFrank Blaschka 387654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card) 388654e3d48SJulian Wiedmann { 389654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 390654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card); 391654e3d48SJulian Wiedmann 392654e3d48SJulian Wiedmann if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr)) 393654e3d48SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 394654e3d48SJulian Wiedmann } 395654e3d48SJulian Wiedmann 396e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 397e22355eaSJulian Wiedmann { 398e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 399e22355eaSJulian Wiedmann 4008024cc9eSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 401e22355eaSJulian Wiedmann return eth_validate_addr(dev); 402e22355eaSJulian Wiedmann 403e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 404e22355eaSJulian Wiedmann return -EPERM; 405e22355eaSJulian Wiedmann } 406e22355eaSJulian Wiedmann 4074a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4084a71df50SFrank Blaschka { 4094a71df50SFrank Blaschka struct sockaddr *addr = p; 410509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 411bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4124a71df50SFrank Blaschka int rc = 0; 4134a71df50SFrank Blaschka 414847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4154a71df50SFrank Blaschka 4168024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) { 417847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4184a71df50SFrank Blaschka return -EOPNOTSUPP; 4194a71df50SFrank Blaschka } 42099f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 421bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 422bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 423bcacfcbcSJulian Wiedmann 424bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 425bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 426bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 427e6e771b3SJulian Wiedmann return 0; 428bcacfcbcSJulian Wiedmann 429bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 4304a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 431bcacfcbcSJulian Wiedmann if (rc) 432e6e771b3SJulian Wiedmann return rc; 433bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 434bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 435bcacfcbcSJulian Wiedmann 436bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 437bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 438bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 439e6e771b3SJulian Wiedmann return 0; 4404a71df50SFrank Blaschka } 4414a71df50SFrank Blaschka 4420db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 4430db587b0SEugene Crosser { 4440db587b0SEugene Crosser struct net_device *dev = card->dev; 4450db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 4460db587b0SEugene Crosser int role; 4470db587b0SEugene Crosser int rc; 4480db587b0SEugene Crosser 4490db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 4500db587b0SEugene Crosser 4510db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 4520db587b0SEugene Crosser return; 4530db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 4540db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 4550db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 4560db587b0SEugene Crosser return; 4570db587b0SEugene Crosser 4580db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 4590db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 4600db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 4610db587b0SEugene Crosser else 4620db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 4630db587b0SEugene Crosser } else 4640db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 4650db587b0SEugene Crosser 4660db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 46757a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", 4680db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 4690db587b0SEugene Crosser if (!rc) { 4700db587b0SEugene Crosser card->options.sbp.role = role; 4710db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 4720db587b0SEugene Crosser } 473fe5c8028SLakhvich Dmitriy 474fe5c8028SLakhvich Dmitriy } 475fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 476fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 477fe5c8028SLakhvich Dmitriy * 478fe5c8028SLakhvich Dmitriy */ 4794641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 480fe5c8028SLakhvich Dmitriy { 481cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 482fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 483fe5c8028SLakhvich Dmitriy 484cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 48599f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 4865f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 487fe5c8028SLakhvich Dmitriy return; 488fe5c8028SLakhvich Dmitriy } 4890db587b0SEugene Crosser } 4900db587b0SEugene Crosser 491fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 492fe5c8028SLakhvich Dmitriy if (!mac) 493fe5c8028SLakhvich Dmitriy return; 494fe5c8028SLakhvich Dmitriy 49599f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 4965f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 497fe5c8028SLakhvich Dmitriy 498cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 499fe5c8028SLakhvich Dmitriy } 500fe5c8028SLakhvich Dmitriy 501d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work) 5024a71df50SFrank Blaschka { 503d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card, 504d0c74825SJulian Wiedmann rx_mode_work); 505d0c74825SJulian Wiedmann struct net_device *dev = card->dev; 506ccffad25SJiri Pirko struct netdev_hw_addr *ha; 507fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 508fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 509fe5c8028SLakhvich Dmitriy int i; 510fe5c8028SLakhvich Dmitriy int rc; 5114a71df50SFrank Blaschka 512847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 513fe5c8028SLakhvich Dmitriy 514d0c74825SJulian Wiedmann netif_addr_lock_bh(dev); 51522bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 5164641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 51732e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 5184641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 519d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev); 520fe5c8028SLakhvich Dmitriy 521fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 52200c163f1SJulian Wiedmann switch (mac->disp_flag) { 52300c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 5248174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 525fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 526fe5c8028SLakhvich Dmitriy kfree(mac); 52700c163f1SJulian Wiedmann break; 52800c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 5298174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 530fe5c8028SLakhvich Dmitriy if (rc) { 531fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 532fe5c8028SLakhvich Dmitriy kfree(mac); 53300c163f1SJulian Wiedmann break; 53400c163f1SJulian Wiedmann } 53500c163f1SJulian Wiedmann /* fall through */ 53600c163f1SJulian Wiedmann default: 53700c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 5385f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 53900c163f1SJulian Wiedmann } 540fe5c8028SLakhvich Dmitriy } 5417db2266aSFrank Blaschka 5420db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 5434a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 5440db587b0SEugene Crosser else 5450db587b0SEugene Crosser qeth_promisc_to_bridge(card); 5464a71df50SFrank Blaschka } 5474a71df50SFrank Blaschka 5487286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 5497286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 5507286384bSJulian Wiedmann { 55169d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 55269d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 55369d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 55469d7ce80SJulian Wiedmann unsigned int elements = 0; 55569d7ce80SJulian Wiedmann unsigned int hd_len = 0; 55669d7ce80SJulian Wiedmann int rc; 5577286384bSJulian Wiedmann 5587286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 5597286384bSJulian Wiedmann return -EPROTONOSUPPORT; 5607286384bSJulian Wiedmann 56169d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 56269d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 56369d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 56469d7ce80SJulian Wiedmann if (!hdr) 56569d7ce80SJulian Wiedmann return -ENOMEM; 56669d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 56769d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 56869d7ce80SJulian Wiedmann elements++; 56969d7ce80SJulian Wiedmann } 57069d7ce80SJulian Wiedmann 57169d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 5724e26c5feSJulian Wiedmann if (elements > queue->max_elements) { 57369d7ce80SJulian Wiedmann rc = -E2BIG; 57469d7ce80SJulian Wiedmann goto out; 57569d7ce80SJulian Wiedmann } 57669d7ce80SJulian Wiedmann 57769d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 57869d7ce80SJulian Wiedmann elements); 57969d7ce80SJulian Wiedmann out: 58069d7ce80SJulian Wiedmann if (rc && hd_len) 58169d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 58269d7ce80SJulian Wiedmann return rc; 5837286384bSJulian Wiedmann } 5847286384bSJulian Wiedmann 585e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 586e38db6beSJulian Wiedmann struct net_device *dev) 5874a71df50SFrank Blaschka { 588509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5893a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb); 590290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 5914a71df50SFrank Blaschka int tx_bytes = skb->len; 5927286384bSJulian Wiedmann int rc; 5934a71df50SFrank Blaschka 5943a18d754SJulian Wiedmann if (IS_IQD(card)) 59554a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq); 59673dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq]; 597b0abc4f5SJulian Wiedmann 5985f89eca5SJulian Wiedmann if (IS_OSN(card)) 5997286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 6005f89eca5SJulian Wiedmann else 60173dc2dafSJulian Wiedmann rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), 60258aa2491SJulian Wiedmann qeth_l2_fill_header); 6034a71df50SFrank Blaschka 6044a71df50SFrank Blaschka if (!rc) { 605b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_packets); 606b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_ADD(queue, tx_bytes, tx_bytes); 6077286384bSJulian Wiedmann return NETDEV_TX_OK; 60854a50941SJulian Wiedmann } 6094a71df50SFrank Blaschka 610b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped); 611104b4859SJulian Wiedmann kfree_skb(skb); 6124a71df50SFrank Blaschka return NETDEV_TX_OK; 6134a71df50SFrank Blaschka } 6144a71df50SFrank Blaschka 6153a18d754SJulian Wiedmann static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, 6163a18d754SJulian Wiedmann struct net_device *sb_dev) 6173a18d754SJulian Wiedmann { 61873dc2dafSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 61973dc2dafSJulian Wiedmann 62073dc2dafSJulian Wiedmann if (IS_IQD(card)) 62173dc2dafSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, 62258aa2491SJulian Wiedmann qeth_get_ether_cast_type(skb), 6233a18d754SJulian Wiedmann sb_dev); 62473dc2dafSJulian Wiedmann return qeth_get_priority_queue(card, skb); 6253a18d754SJulian Wiedmann } 6263a18d754SJulian Wiedmann 6272d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 6282d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 6292d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 6302d2ebb3eSJulian Wiedmann }; 6312d2ebb3eSJulian Wiedmann 6324a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 6334a71df50SFrank Blaschka { 6344a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 6359111e788SUrsula Braun int rc; 6364a71df50SFrank Blaschka 63712b409ddSJulian Wiedmann qeth_l2_vnicc_set_defaults(card); 63812b409ddSJulian Wiedmann 6392d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 6409111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 6419111e788SUrsula Braun if (rc) 6429111e788SUrsula Braun return rc; 6432d2ebb3eSJulian Wiedmann } 6445fc692a7SJulian Wiedmann 645fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 646d0c74825SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); 6474a71df50SFrank Blaschka return 0; 6484a71df50SFrank Blaschka } 6494a71df50SFrank Blaschka 6504a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 6514a71df50SFrank Blaschka { 6524a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 6534a71df50SFrank Blaschka 6542d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 655b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 656f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 6574a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 6584a71df50SFrank Blaschka 65970919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 6604a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 661c2780c1aSJulian Wiedmann 662c2780c1aSJulian Wiedmann cancel_work_sync(&card->close_dev_work); 66330356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 6644a71df50SFrank Blaschka unregister_netdev(card->dev); 6654a71df50SFrank Blaschka } 6664a71df50SFrank Blaschka 667d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev) 668d0c74825SJulian Wiedmann { 669d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv; 670d0c74825SJulian Wiedmann 671d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work); 672d0c74825SJulian Wiedmann } 673d0c74825SJulian Wiedmann 6743d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 675e22355eaSJulian Wiedmann .ndo_open = qeth_open, 676e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 677b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6788403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 6796d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 6803a18d754SJulian Wiedmann .ndo_select_queue = qeth_l2_select_queue, 681e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 682fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 683942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 6848403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 6858403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 6868403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 6878403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 6888f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 6898f43fb00SThomas Richter .ndo_set_features = qeth_set_features 6908403b13cSFrank Blaschka }; 6918403b13cSFrank Blaschka 6928024cc9eSJulian Wiedmann static const struct net_device_ops qeth_osn_netdev_ops = { 6938024cc9eSJulian Wiedmann .ndo_open = qeth_open, 6948024cc9eSJulian Wiedmann .ndo_stop = qeth_stop, 6958024cc9eSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64, 6968024cc9eSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit, 6978024cc9eSJulian Wiedmann .ndo_validate_addr = eth_validate_addr, 6988024cc9eSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout, 6998024cc9eSJulian Wiedmann }; 7008024cc9eSJulian Wiedmann 7019fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 7024a71df50SFrank Blaschka { 703d3d1b205SJulian Wiedmann int rc; 7044a71df50SFrank Blaschka 7058024cc9eSJulian Wiedmann if (IS_OSN(card)) { 7068024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_osn_netdev_ops; 70725e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 7088024cc9eSJulian Wiedmann goto add_napi; 7098024cc9eSJulian Wiedmann } 7108024cc9eSJulian Wiedmann 7115f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 7128024cc9eSJulian Wiedmann card->dev->netdev_ops = &qeth_l2_netdev_ops; 7138024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 7149400c53fSJulian Wiedmann 7155fc692a7SJulian Wiedmann if (IS_OSM(card)) { 7169400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 7175fc692a7SJulian Wiedmann } else { 7185fc692a7SJulian Wiedmann if (!IS_VM_NIC(card)) 7195fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; 720f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 7215fc692a7SJulian Wiedmann } 7220f342945SJulian Wiedmann 723379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) { 7246d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 7258f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 7269bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 7278f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 7289bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 7299bdc4411SHans Wippel } 7304d7def2aSThomas Richter } 731571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 732571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 733571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 734571f9dd8SKittipon Meesompop } 735d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 736d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 737d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 738d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 739d7e6ed97SKittipon Meesompop } 7400aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 7410aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 7420aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 7430aef8392SJulian Wiedmann } 7440aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 7450aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 7460aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 7470aef8392SJulian Wiedmann } 7480aef8392SJulian Wiedmann 7490aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 7500aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 7510aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 7520aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 7530aef8392SJulian Wiedmann } 7540d6f02d3SJulian Wiedmann 7558024cc9eSJulian Wiedmann add_napi: 756d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 757d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 7589fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 7599fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 7609fae5c3bSJulian Wiedmann 761d3d1b205SJulian Wiedmann if (rc) 762d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 763d3d1b205SJulian Wiedmann return rc; 7644a71df50SFrank Blaschka } 7654a71df50SFrank Blaschka 7664d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 7674d7def2aSThomas Richter { 7684d7def2aSThomas Richter /* configure isolation level */ 7694d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 7704d7def2aSThomas Richter return -ENODEV; 7714d7def2aSThomas Richter return 0; 7724d7def2aSThomas Richter } 7734d7def2aSThomas Richter 774521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 775521c10eaSJulian Wiedmann { 776a45b3fafSHans Wippel /* Set BridgePort features */ 777a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 778521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 779521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 780a45b3fafSHans Wippel /* VNIC Characteristics features */ 781a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 782a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 783a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 784521c10eaSJulian Wiedmann } 785521c10eaSJulian Wiedmann 786d4560150SJulian Wiedmann static int qeth_l2_set_online(struct ccwgroup_device *gdev) 7874a71df50SFrank Blaschka { 7884a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 789fa3d2e60SJulian Wiedmann struct net_device *dev = card->dev; 7904a71df50SFrank Blaschka int rc = 0; 7919fae5c3bSJulian Wiedmann bool carrier_ok; 7924a71df50SFrank Blaschka 7939dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 794c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 79557a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "setonlin"); 7964a71df50SFrank Blaschka 7979fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 7984a71df50SFrank Blaschka if (rc) { 79957a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "2err%04x", rc); 800aa909224SUrsula Braun rc = -ENODEV; 8014a71df50SFrank Blaschka goto out_remove; 8024a71df50SFrank Blaschka } 803654e3d48SJulian Wiedmann 8041da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 8051da74b1cSFrank Blaschka if (card->info.hwtrap && 8061da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 8071da74b1cSFrank Blaschka card->info.hwtrap = 0; 8081da74b1cSFrank Blaschka } else 8091da74b1cSFrank Blaschka card->info.hwtrap = 0; 8101da74b1cSFrank Blaschka 811d7ef489fSJulian Wiedmann qeth_bridgeport_query_support(card); 812d7ef489fSJulian Wiedmann if (card->options.sbp.supported_funcs) 813d7ef489fSJulian Wiedmann dev_info(&card->gdev->dev, 814d7ef489fSJulian Wiedmann "The device represents a Bridge Capable Port\n"); 815d7ef489fSJulian Wiedmann 816d7ef489fSJulian Wiedmann qeth_l2_register_dev_addr(card); 817d7ef489fSJulian Wiedmann 818a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 819a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 820a45b3fafSHans Wippel 821a45b3fafSHans Wippel qeth_trace_features(card); 822a45b3fafSHans Wippel qeth_l2_trace_features(card); 823a45b3fafSHans Wippel 824b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 825b4d72c08SEugene Crosser 8264a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 8274a71df50SFrank Blaschka qeth_print_status_message(card); 8284a71df50SFrank Blaschka 8294a71df50SFrank Blaschka /* softsetup */ 83057a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp"); 8314a71df50SFrank Blaschka 832379ac99eSJulian Wiedmann if (IS_OSD(card) || IS_OSX(card)) { 8338f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 8348f43fb00SThomas Richter if (rc) 8350f54761dSStefan Raspl goto out_remove; 8360f54761dSStefan Raspl } 8375113fec0SUrsula Braun 8384a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 8394a71df50SFrank Blaschka if (rc) { 84057a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "6err%d", rc); 841aa909224SUrsula Braun rc = -ENODEV; 8424a71df50SFrank Blaschka goto out_remove; 8434a71df50SFrank Blaschka } 8444a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 8454a71df50SFrank Blaschka 8464a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 847d025da9eSJulian Wiedmann 848fa3d2e60SJulian Wiedmann if (!qeth_netdev_is_registered(dev)) { 849fa3d2e60SJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 850fa3d2e60SJulian Wiedmann if (rc) 851fa3d2e60SJulian Wiedmann goto out_remove; 8524a71df50SFrank Blaschka } else { 8534a71df50SFrank Blaschka rtnl_lock(); 854fa3d2e60SJulian Wiedmann if (carrier_ok) 855fa3d2e60SJulian Wiedmann netif_carrier_on(dev); 856fa3d2e60SJulian Wiedmann else 857fa3d2e60SJulian Wiedmann netif_carrier_off(dev); 858fa3d2e60SJulian Wiedmann 859e6e771b3SJulian Wiedmann netif_device_attach(dev); 860fa3d2e60SJulian Wiedmann qeth_enable_hw_features(dev); 861fa3d2e60SJulian Wiedmann 862d7d543f2SJulian Wiedmann if (card->info.open_when_online) { 863d7d543f2SJulian Wiedmann card->info.open_when_online = 0; 864fa3d2e60SJulian Wiedmann dev_open(dev, NULL); 865fa3d2e60SJulian Wiedmann } 866fa3d2e60SJulian Wiedmann rtnl_unlock(); 8674a71df50SFrank Blaschka } 8684a71df50SFrank Blaschka /* let user_space know that device is online */ 8694a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 870c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8719dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 8724a71df50SFrank Blaschka return 0; 873aa909224SUrsula Braun 8744a71df50SFrank Blaschka out_remove: 875d4560150SJulian Wiedmann qeth_l2_stop_card(card); 8764a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 8774a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 8784a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 87922ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 880d7d543f2SJulian Wiedmann 881c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 8829dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 883aa909224SUrsula Braun return rc; 8844a71df50SFrank Blaschka } 8854a71df50SFrank Blaschka 8864a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 8874a71df50SFrank Blaschka int recovery_mode) 8884a71df50SFrank Blaschka { 8894a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8904a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 8914a71df50SFrank Blaschka 8929dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 893c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 89457a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 3, "setoffl"); 8954a71df50SFrank Blaschka 896d7ef489fSJulian Wiedmann if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 897d7ef489fSJulian Wiedmann qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 898d7ef489fSJulian Wiedmann card->info.hwtrap = 1; 899d7ef489fSJulian Wiedmann } 900d7ef489fSJulian Wiedmann 901e6e771b3SJulian Wiedmann rtnl_lock(); 902d7d543f2SJulian Wiedmann card->info.open_when_online = card->dev->flags & IFF_UP; 903d4560150SJulian Wiedmann dev_close(card->dev); 904e6e771b3SJulian Wiedmann netif_device_detach(card->dev); 9054a71df50SFrank Blaschka netif_carrier_off(card->dev); 906e6e771b3SJulian Wiedmann rtnl_unlock(); 907e6e771b3SJulian Wiedmann 908d4560150SJulian Wiedmann qeth_l2_stop_card(card); 9094a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 9104a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 9114a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 9124a71df50SFrank Blaschka if (!rc) 9134a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 9144a71df50SFrank Blaschka if (rc) 91557a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%d", rc); 91622ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 917d7d543f2SJulian Wiedmann 9184a71df50SFrank Blaschka /* let user_space know that device is offline */ 9194a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 920c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 9219dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 9224a71df50SFrank Blaschka return 0; 9234a71df50SFrank Blaschka } 9244a71df50SFrank Blaschka 9254a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 9264a71df50SFrank Blaschka { 9274a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 9284a71df50SFrank Blaschka } 9294a71df50SFrank Blaschka 9304a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 9314a71df50SFrank Blaschka { 9324a71df50SFrank Blaschka struct qeth_card *card; 9334a71df50SFrank Blaschka int rc = 0; 9344a71df50SFrank Blaschka 9354a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 936847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 9374a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 9384a71df50SFrank Blaschka return 0; 939847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 94074eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 94174eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 9424a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 943d4560150SJulian Wiedmann rc = qeth_l2_set_online(card->gdev); 9444a71df50SFrank Blaschka if (!rc) 94574eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 94674eacdb9SFrank Blaschka "Device successfully recovered!\n"); 94728a7e4c9SUrsula Braun else { 948bf42d40bSJulian Wiedmann ccwgroup_set_offline(card->gdev); 94974eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 95074eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 95128a7e4c9SUrsula Braun } 952a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 953a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 9544a71df50SFrank Blaschka return 0; 9554a71df50SFrank Blaschka } 9564a71df50SFrank Blaschka 9574a71df50SFrank Blaschka static int __init qeth_l2_init(void) 9584a71df50SFrank Blaschka { 95974eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 9604a71df50SFrank Blaschka return 0; 9614a71df50SFrank Blaschka } 9624a71df50SFrank Blaschka 9634a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 9644a71df50SFrank Blaschka { 96574eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 9664a71df50SFrank Blaschka } 9674a71df50SFrank Blaschka 968c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 969c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 970c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 971c044dc21SEugene Crosser { 972c044dc21SEugene Crosser switch (cmd->hdr.command) { 9739c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 9749c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 975c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 976c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 977c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 978c044dc21SEugene Crosser return 0; 979c044dc21SEugene Crosser } else 980c044dc21SEugene Crosser return 1; 981c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 982c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 983c044dc21SEugene Crosser return 0; 984c044dc21SEugene Crosser default: 985c044dc21SEugene Crosser return 1; 986c044dc21SEugene Crosser } 987c044dc21SEugene Crosser } 988c044dc21SEugene Crosser 989c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 9902d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 991d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 992c041f2d4SSebastian Ott .recover = qeth_l2_recover, 993c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 9944a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 9954a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 9964a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 997942d6984SJulian Wiedmann .do_ioctl = NULL, 998c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 9994a71df50SFrank Blaschka }; 1000c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 10014a71df50SFrank Blaschka 10020ce37ec2SJulian Wiedmann static void qeth_osn_assist_cb(struct qeth_card *card, 100312fc286fSJulian Wiedmann struct qeth_cmd_buffer *iob, 100412fc286fSJulian Wiedmann unsigned int data_length) 10054a71df50SFrank Blaschka { 1006308946b0SJulian Wiedmann qeth_notify_cmd(iob, 0); 1007c3b2218dSJulian Wiedmann qeth_put_cmd(iob); 10084a71df50SFrank Blaschka } 10094a71df50SFrank Blaschka 10104a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 10114a71df50SFrank Blaschka { 10124a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 10134a71df50SFrank Blaschka struct qeth_card *card; 10144a71df50SFrank Blaschka 1015a59d121dSJulian Wiedmann if (data_len < 0) 1016a59d121dSJulian Wiedmann return -EINVAL; 10174a71df50SFrank Blaschka if (!dev) 10184a71df50SFrank Blaschka return -ENODEV; 1019509e2562SHeiko Carstens card = dev->ml_priv; 10204a71df50SFrank Blaschka if (!card) 10214a71df50SFrank Blaschka return -ENODEV; 1022847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1023c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 10244a71df50SFrank Blaschka return -ENODEV; 1025a59d121dSJulian Wiedmann 1026a59d121dSJulian Wiedmann iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1, 1027a59d121dSJulian Wiedmann QETH_IPA_TIMEOUT); 10281273a800SJulian Wiedmann if (!iob) 10291273a800SJulian Wiedmann return -ENOMEM; 10301273a800SJulian Wiedmann 1031c2153277SJulian Wiedmann qeth_prepare_ipa_cmd(card, iob, (u16) data_len); 1032ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 10330ce37ec2SJulian Wiedmann iob->callback = qeth_osn_assist_cb; 10340ce37ec2SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, NULL, NULL); 10354a71df50SFrank Blaschka } 10364a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 10374a71df50SFrank Blaschka 10384a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 10394a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 10404a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 10414a71df50SFrank Blaschka { 10424a71df50SFrank Blaschka struct qeth_card *card; 1043d7d18da1SJulian Wiedmann char bus_id[16]; 1044d7d18da1SJulian Wiedmann u16 devno; 10454a71df50SFrank Blaschka 1046d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1047d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1048d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1049d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 10504a71df50SFrank Blaschka return -ENODEV; 1051d7d18da1SJulian Wiedmann *dev = card->dev; 1052d7d18da1SJulian Wiedmann 1053847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 10544a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 10554a71df50SFrank Blaschka return -EINVAL; 10564a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 10574a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 10584a71df50SFrank Blaschka return 0; 10594a71df50SFrank Blaschka } 10604a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 10614a71df50SFrank Blaschka 10624a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 10634a71df50SFrank Blaschka { 10644a71df50SFrank Blaschka struct qeth_card *card; 10654a71df50SFrank Blaschka 10664a71df50SFrank Blaschka if (!dev) 10674a71df50SFrank Blaschka return; 1068509e2562SHeiko Carstens card = dev->ml_priv; 10694a71df50SFrank Blaschka if (!card) 10704a71df50SFrank Blaschka return; 1071847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 10724a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 10734a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 10744a71df50SFrank Blaschka return; 10754a71df50SFrank Blaschka } 10764a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 10774a71df50SFrank Blaschka 1078b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1079b4d72c08SEugene Crosser 10809f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 10819f48b9dbSEugene Crosser 10829f48b9dbSEugene Crosser /** 10839f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 10849f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 10859f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 10869f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 10879f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 10889f48b9dbSEugene Crosser * object, 0 - addition of an object. 10899f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 10909f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 10919f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 10929f48b9dbSEugene Crosser * 10939f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 10949f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 10959f48b9dbSEugene Crosser * for all currently registered addresses. 10969f48b9dbSEugene Crosser */ 10979f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 10989f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 10999f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 11009f48b9dbSEugene Crosser { 11019f48b9dbSEugene Crosser char str[7][32]; 11029f48b9dbSEugene Crosser char *env[8]; 11039f48b9dbSEugene Crosser int i = 0; 11049f48b9dbSEugene Crosser 11059f48b9dbSEugene Crosser switch (evtype) { 11069f48b9dbSEugene Crosser case anev_reg_unreg: 11079f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 11089f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 11099f48b9dbSEugene Crosser ? "deregister" : "register"); 11109f48b9dbSEugene Crosser env[i] = str[i]; i++; 11119f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 11129f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 11139f48b9dbSEugene Crosser addr_lnid->lnid); 11149f48b9dbSEugene Crosser env[i] = str[i]; i++; 11159f48b9dbSEugene Crosser } 11169f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 11179846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 11189846e70bSEugene Crosser addr_lnid->mac); 11199f48b9dbSEugene Crosser env[i] = str[i]; i++; 11209f48b9dbSEugene Crosser } 11219f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 11229f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 11239f48b9dbSEugene Crosser env[i] = str[i]; i++; 11249f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 11259f48b9dbSEugene Crosser env[i] = str[i]; i++; 11269f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 11279f48b9dbSEugene Crosser token->chpid); 11289f48b9dbSEugene Crosser env[i] = str[i]; i++; 11299f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 11309f48b9dbSEugene Crosser env[i] = str[i]; i++; 11319f48b9dbSEugene Crosser break; 11329f48b9dbSEugene Crosser case anev_abort: 11339f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 11349f48b9dbSEugene Crosser env[i] = str[i]; i++; 11359f48b9dbSEugene Crosser break; 11369f48b9dbSEugene Crosser case anev_reset: 11379f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 11389f48b9dbSEugene Crosser env[i] = str[i]; i++; 11399f48b9dbSEugene Crosser break; 11409f48b9dbSEugene Crosser } 11419f48b9dbSEugene Crosser env[i] = NULL; 11429f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 11439f48b9dbSEugene Crosser } 11449f48b9dbSEugene Crosser 1145b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1146b4d72c08SEugene Crosser struct work_struct worker; 1147b4d72c08SEugene Crosser struct qeth_card *card; 1148b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1149b4d72c08SEugene Crosser }; 1150b4d72c08SEugene Crosser 1151b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1152b4d72c08SEugene Crosser { 1153b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1154b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1155b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1156b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1157b4d72c08SEugene Crosser char env_locrem[32]; 1158b4d72c08SEugene Crosser char env_role[32]; 1159b4d72c08SEugene Crosser char env_state[32]; 1160b4d72c08SEugene Crosser char *env[] = { 1161b4d72c08SEugene Crosser env_locrem, 1162b4d72c08SEugene Crosser env_role, 1163b4d72c08SEugene Crosser env_state, 1164b4d72c08SEugene Crosser NULL 1165b4d72c08SEugene Crosser }; 1166b4d72c08SEugene Crosser 1167b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1168b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1169b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1170b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1171b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1172b4d72c08SEugene Crosser 1173b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1174b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1175b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1176b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1177b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1178b4d72c08SEugene Crosser "<INVALID>"); 1179b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1180b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1181b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1182b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1183b4d72c08SEugene Crosser "<INVALID>"); 1184b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1185b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1186b4d72c08SEugene Crosser kfree(data); 1187b4d72c08SEugene Crosser } 1188b4d72c08SEugene Crosser 1189c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1190c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1191b4d72c08SEugene Crosser { 1192b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1193b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1194b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1195b4d72c08SEugene Crosser int extrasize; 1196b4d72c08SEugene Crosser 1197b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1198b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 11998a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1200b4d72c08SEugene Crosser return; 1201b4d72c08SEugene Crosser } 1202b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1203b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1204b4d72c08SEugene Crosser GFP_ATOMIC); 1205b4d72c08SEugene Crosser if (!data) { 1206b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1207b4d72c08SEugene Crosser return; 1208b4d72c08SEugene Crosser } 1209b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1210b4d72c08SEugene Crosser data->card = card; 1211b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1212b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1213c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 1214b4d72c08SEugene Crosser } 1215b4d72c08SEugene Crosser 12169f48b9dbSEugene Crosser struct qeth_bridge_host_data { 12179f48b9dbSEugene Crosser struct work_struct worker; 12189f48b9dbSEugene Crosser struct qeth_card *card; 12199f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 12209f48b9dbSEugene Crosser }; 12219f48b9dbSEugene Crosser 12229f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 12239f48b9dbSEugene Crosser { 12249f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 12259f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 12269f48b9dbSEugene Crosser int i; 12279f48b9dbSEugene Crosser 12289f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 12299f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 12309c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 12319f48b9dbSEugene Crosser data->card->dev->name, 12329f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 12339f48b9dbSEugene Crosser ? "Overflow" 12349f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 12359f48b9dbSEugene Crosser ? "Bridge port state change" 12369f48b9dbSEugene Crosser : "Unknown reason"); 12379f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 12389f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 12399f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 12409f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 12419f48b9dbSEugene Crosser 0, NULL, NULL); 12429f48b9dbSEugene Crosser } else 12439f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 12449f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 12459f48b9dbSEugene Crosser &data->hostevs.entry[i]; 12469f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 12479f48b9dbSEugene Crosser anev_reg_unreg, 12489f48b9dbSEugene Crosser entry->change_code, 12499f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 12509f48b9dbSEugene Crosser } 12519f48b9dbSEugene Crosser kfree(data); 12529f48b9dbSEugene Crosser } 12539f48b9dbSEugene Crosser 1254c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1255c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 12569f48b9dbSEugene Crosser { 12579f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 12589f48b9dbSEugene Crosser &cmd->data.addrchange; 12599f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 12609f48b9dbSEugene Crosser int extrasize; 12619f48b9dbSEugene Crosser 12629f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 12639f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 12649f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 12659f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 12669f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 12679f48b9dbSEugene Crosser } else { 12689f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 12699f48b9dbSEugene Crosser cmd->hdr.return_code); 12709f48b9dbSEugene Crosser return; 12719f48b9dbSEugene Crosser } 12729f48b9dbSEugene Crosser } 12739f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 12749f48b9dbSEugene Crosser hostevs->num_entries; 12759f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 12769f48b9dbSEugene Crosser GFP_ATOMIC); 12779f48b9dbSEugene Crosser if (!data) { 12789f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 12799f48b9dbSEugene Crosser return; 12809f48b9dbSEugene Crosser } 12819f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 12829f48b9dbSEugene Crosser data->card = card; 12839f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 12849f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 1285c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker); 12869f48b9dbSEugene Crosser } 12879f48b9dbSEugene Crosser 1288b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1289b4d72c08SEugene Crosser 1290b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1291b4d72c08SEugene Crosser union { 1292b4d72c08SEugene Crosser u32 supported; 1293b4d72c08SEugene Crosser struct { 1294b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1295b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1296b4d72c08SEugene Crosser } qports; 1297b4d72c08SEugene Crosser } data; 1298b4d72c08SEugene Crosser }; 1299b4d72c08SEugene Crosser 1300b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 13011709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd) 1302b4d72c08SEugene Crosser { 13031709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp; 13041709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code; 13051709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code; 13061709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code; 1307b4d72c08SEugene Crosser int rc; 1308b4d72c08SEugene Crosser 13091709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS) 13101709ff8dSJulian Wiedmann return 0; 13111709ff8dSJulian Wiedmann 13121709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) || 13131709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) { 13141709ff8dSJulian Wiedmann switch (sbp_rc) { 13152063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1316b4d72c08SEugene Crosser rc = 0; 1317b4d72c08SEugene Crosser break; 13182063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 13192063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1320ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1321b4d72c08SEugene Crosser break; 13222063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 13232063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1324b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1325b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13269c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1327b4d72c08SEugene Crosser break; 13282063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 13292063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 13301b05cf62SEugene Crosser rc = -EPERM; 13311b05cf62SEugene Crosser dev_err(&card->gdev->dev, 13321b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 13331b05cf62SEugene Crosser break; 13342063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 13352063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1336b4d72c08SEugene Crosser switch (setcmd) { 1337b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1338b4d72c08SEugene Crosser rc = -EEXIST; 1339b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13409c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1341b4d72c08SEugene Crosser break; 1342b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1343b4d72c08SEugene Crosser rc = -EBUSY; 1344b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13459c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1346b4d72c08SEugene Crosser break; 1347b4d72c08SEugene Crosser default: 1348b4d72c08SEugene Crosser rc = -EIO; 1349b4d72c08SEugene Crosser } 1350b4d72c08SEugene Crosser break; 13512063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 13522063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1353b4d72c08SEugene Crosser rc = -EBUSY; 1354b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13559c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1356b4d72c08SEugene Crosser break; 13572063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 13582063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1359b4d72c08SEugene Crosser rc = -EEXIST; 1360b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13619c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1362b4d72c08SEugene Crosser break; 13632063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 13642063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1365b4d72c08SEugene Crosser rc = -EBUSY; 1366b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13679c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1368b4d72c08SEugene Crosser break; 13692063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 13702063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1371b4d72c08SEugene Crosser rc = -EACCES; 1372b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 13739c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1374b4d72c08SEugene Crosser break; 1375b4d72c08SEugene Crosser default: 1376b4d72c08SEugene Crosser rc = -EIO; 1377b4d72c08SEugene Crosser } 13781709ff8dSJulian Wiedmann } else { 13791709ff8dSJulian Wiedmann switch (ipa_rc) { 1380b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1381ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1382b4d72c08SEugene Crosser break; 1383b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1384ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1385b4d72c08SEugene Crosser break; 1386b4d72c08SEugene Crosser default: 1387b4d72c08SEugene Crosser rc = -EIO; 1388b4d72c08SEugene Crosser } 13891709ff8dSJulian Wiedmann } 13909c23f4daSEugene Crosser 1391b4d72c08SEugene Crosser if (rc) { 13921709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc); 13931709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc); 1394b4d72c08SEugene Crosser } 1395b4d72c08SEugene Crosser return rc; 1396b4d72c08SEugene Crosser } 1397b4d72c08SEugene Crosser 1398d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1399d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1400b9150461SJulian Wiedmann unsigned int data_length) 14019c23f4daSEugene Crosser { 1402379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : 14039c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1404b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr; 1405d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1406d65626adSJulian Wiedmann 1407b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE, 1408b9150461SJulian Wiedmann data_length + 1409b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport, 1410b9150461SJulian Wiedmann data)); 1411d65626adSJulian Wiedmann if (!iob) 1412d65626adSJulian Wiedmann return iob; 1413b9150461SJulian Wiedmann 1414b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr; 1415b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length; 1416b9150461SJulian Wiedmann hdr->command_code = sbp_cmd; 1417b9150461SJulian Wiedmann hdr->used_total = 1; 1418b9150461SJulian Wiedmann hdr->seq_no = 1; 1419d65626adSJulian Wiedmann return iob; 14209c23f4daSEugene Crosser } 14219c23f4daSEugene Crosser 1422b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1423b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1424b4d72c08SEugene Crosser { 1425b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1426b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 14271709ff8dSJulian Wiedmann int rc; 14281709ff8dSJulian Wiedmann 1429b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 14301709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 14311709ff8dSJulian Wiedmann if (rc) 14321709ff8dSJulian Wiedmann return rc; 14331709ff8dSJulian Wiedmann 1434b4d72c08SEugene Crosser cbctl->data.supported = 1435b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1436b4d72c08SEugene Crosser return 0; 1437b4d72c08SEugene Crosser } 1438b4d72c08SEugene Crosser 1439b4d72c08SEugene Crosser /** 1440b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1441b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1442b4d72c08SEugene Crosser * 1443b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1444b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1445b4d72c08SEugene Crosser */ 1446c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1447b4d72c08SEugene Crosser { 1448b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1449b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1450b4d72c08SEugene Crosser 1451b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1452d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1453b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp)); 14541aec42bcSThomas Richter if (!iob) 14551aec42bcSThomas Richter return; 14561709ff8dSJulian Wiedmann 1457b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 14581709ff8dSJulian Wiedmann &cbctl)) { 1459b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 14601709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0; 1461b4d72c08SEugene Crosser return; 1462b4d72c08SEugene Crosser } 1463b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1464b4d72c08SEugene Crosser } 1465b4d72c08SEugene Crosser 1466b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1467b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1468b4d72c08SEugene Crosser { 1469b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1470b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1471b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 14721709ff8dSJulian Wiedmann int rc; 1473b4d72c08SEugene Crosser 1474b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 14751709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd); 14761709ff8dSJulian Wiedmann if (rc) 14771709ff8dSJulian Wiedmann return rc; 14781709ff8dSJulian Wiedmann 1479b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1480b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 14811709ff8dSJulian Wiedmann return -EINVAL; 1482b4d72c08SEugene Crosser } 1483b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1484b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1485b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1486b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1487b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1488b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1489b4d72c08SEugene Crosser } 1490b4d72c08SEugene Crosser return 0; 1491b4d72c08SEugene Crosser } 1492b4d72c08SEugene Crosser 1493b4d72c08SEugene Crosser /** 1494b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1495b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1496b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1497b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1498b4d72c08SEugene Crosser * 1499b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1500b4d72c08SEugene Crosser * 1501b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1502b4d72c08SEugene Crosser */ 1503b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1504b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1505b4d72c08SEugene Crosser { 1506b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1507b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1508b4d72c08SEugene Crosser .data = { 1509b4d72c08SEugene Crosser .qports = { 1510b4d72c08SEugene Crosser .role = role, 1511b4d72c08SEugene Crosser .state = state, 1512b4d72c08SEugene Crosser }, 1513b4d72c08SEugene Crosser }, 1514b4d72c08SEugene Crosser }; 1515b4d72c08SEugene Crosser 1516b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1517b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1518b4d72c08SEugene Crosser return -EOPNOTSUPP; 1519d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 15201aec42bcSThomas Richter if (!iob) 15211aec42bcSThomas Richter return -ENOMEM; 15221709ff8dSJulian Wiedmann 15231709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 15241709ff8dSJulian Wiedmann &cbctl); 1525b4d72c08SEugene Crosser } 1526b4d72c08SEugene Crosser 1527b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1528b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1529b4d72c08SEugene Crosser { 1530b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 15311709ff8dSJulian Wiedmann 1532b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 15331709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd); 1534b4d72c08SEugene Crosser } 1535b4d72c08SEugene Crosser 1536b4d72c08SEugene Crosser /** 1537b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1538b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1539b4d72c08SEugene Crosser * @role: Role to assign. 1540b4d72c08SEugene Crosser * 1541b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1542b4d72c08SEugene Crosser */ 1543b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1544b4d72c08SEugene Crosser { 1545b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1546b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1547b9150461SJulian Wiedmann unsigned int cmdlength = 0; 1548b4d72c08SEugene Crosser 1549b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1550b4d72c08SEugene Crosser switch (role) { 1551b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1552b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1553b4d72c08SEugene Crosser break; 1554b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1555b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1556b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary); 1557b4d72c08SEugene Crosser break; 1558b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1559b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1560b4d72c08SEugene Crosser break; 1561b4d72c08SEugene Crosser default: 1562b4d72c08SEugene Crosser return -EINVAL; 1563b4d72c08SEugene Crosser } 1564b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1565b4d72c08SEugene Crosser return -EOPNOTSUPP; 1566d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 15671aec42bcSThomas Richter if (!iob) 15681aec42bcSThomas Richter return -ENOMEM; 15691709ff8dSJulian Wiedmann 15701709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL); 1571b4d72c08SEugene Crosser } 1572b4d72c08SEugene Crosser 15739f48b9dbSEugene Crosser /** 15749f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 15759f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 15769f48b9dbSEugene Crosser * 15779f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 15789f48b9dbSEugene Crosser */ 15799f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 15809f48b9dbSEugene Crosser { 15819f48b9dbSEugene Crosser int rc; 15829f48b9dbSEugene Crosser 15839f48b9dbSEugene Crosser if (pnso_rc == 0) 15849f48b9dbSEugene Crosser switch (response) { 15859f48b9dbSEugene Crosser case 0x0001: 15869f48b9dbSEugene Crosser rc = 0; 15879f48b9dbSEugene Crosser break; 15889f48b9dbSEugene Crosser case 0x0004: 15899f48b9dbSEugene Crosser case 0x0100: 15909f48b9dbSEugene Crosser case 0x0106: 1591ffb95251SEugene Crosser rc = -EOPNOTSUPP; 15929f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 15939f48b9dbSEugene Crosser "Setting address notification failed\n"); 15949f48b9dbSEugene Crosser break; 15959f48b9dbSEugene Crosser case 0x0107: 15969f48b9dbSEugene Crosser rc = -EAGAIN; 15979f48b9dbSEugene Crosser break; 15989f48b9dbSEugene Crosser default: 15999f48b9dbSEugene Crosser rc = -EIO; 16009f48b9dbSEugene Crosser } 16019f48b9dbSEugene Crosser else 16029f48b9dbSEugene Crosser rc = -EIO; 16039f48b9dbSEugene Crosser 16049f48b9dbSEugene Crosser if (rc) { 16059f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 16069f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 16079f48b9dbSEugene Crosser } 16089f48b9dbSEugene Crosser return rc; 16099f48b9dbSEugene Crosser } 16109f48b9dbSEugene Crosser 16119f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 16129f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 16139f48b9dbSEugene Crosser { 16149f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 16159f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 16169f48b9dbSEugene Crosser u8 code; 16179f48b9dbSEugene Crosser 16189f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 16199f48b9dbSEugene Crosser WARN_ON_ONCE(1); 16209f48b9dbSEugene Crosser return; 16219f48b9dbSEugene Crosser } 16229f48b9dbSEugene Crosser 16239f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 16249f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 162533572619SAlexandra Winter if (l2entry->addr_lnid.lnid < VLAN_N_VID) 16269f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 16279f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 16289f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 16299f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 16309f48b9dbSEugene Crosser } 16319f48b9dbSEugene Crosser 16329f48b9dbSEugene Crosser /** 16339f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 16349f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 16359f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 16369f48b9dbSEugene Crosser * 16379f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 16389f48b9dbSEugene Crosser * 16399f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 16409f48b9dbSEugene Crosser * currently registered hosts. 16419f48b9dbSEugene Crosser */ 16429f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 16439f48b9dbSEugene Crosser { 16449f48b9dbSEugene Crosser int rc; 16459f48b9dbSEugene Crosser u16 response; 16469f48b9dbSEugene Crosser struct ccw_device *ddev; 16479f48b9dbSEugene Crosser struct subchannel_id schid; 16489f48b9dbSEugene Crosser 16499f48b9dbSEugene Crosser if (!card) 16509f48b9dbSEugene Crosser return -EINVAL; 16519f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 16529f48b9dbSEugene Crosser return -EOPNOTSUPP; 16539f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 16549f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 16559f48b9dbSEugene Crosser 16569f48b9dbSEugene Crosser if (enable) { 16579f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 16589f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 16599f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 16609f48b9dbSEugene Crosser } else 16619f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 16629f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 16639f48b9dbSEugene Crosser } 16649f48b9dbSEugene Crosser 1665caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1666caa1f0b1SHans Wippel { 1667caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1668caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1669caa1f0b1SHans Wippel } 1670caa1f0b1SHans Wippel 1671a45b3fafSHans Wippel /* VNIC Characteristics support */ 1672a45b3fafSHans Wippel 1673a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1674742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc) 1675a45b3fafSHans Wippel { 1676a45b3fafSHans Wippel int rc; 1677a45b3fafSHans Wippel 1678a45b3fafSHans Wippel switch (ipa_rc) { 1679a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1680a45b3fafSHans Wippel return ipa_rc; 1681a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1682a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1683a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1684a45b3fafSHans Wippel break; 1685a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1686a45b3fafSHans Wippel rc = -EALREADY; 1687a45b3fafSHans Wippel break; 1688a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1689a45b3fafSHans Wippel rc = -EBUSY; 1690a45b3fafSHans Wippel break; 1691a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1692a45b3fafSHans Wippel rc = -ENOSPC; 1693a45b3fafSHans Wippel break; 1694a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1695a45b3fafSHans Wippel rc = -EACCES; 1696a45b3fafSHans Wippel break; 1697a45b3fafSHans Wippel default: 1698a45b3fafSHans Wippel rc = -EIO; 1699a45b3fafSHans Wippel } 1700a45b3fafSHans Wippel 1701a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1702a45b3fafSHans Wippel return rc; 1703a45b3fafSHans Wippel } 1704a45b3fafSHans Wippel 1705a45b3fafSHans Wippel /* generic VNICC request call back control */ 1706a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1707caa1f0b1SHans Wippel struct { 1708349d13d5SHans Wippel union{ 1709caa1f0b1SHans Wippel u32 *sup_cmds; 1710349d13d5SHans Wippel u32 *timeout; 1711349d13d5SHans Wippel }; 1712caa1f0b1SHans Wippel } result; 1713a45b3fafSHans Wippel }; 1714a45b3fafSHans Wippel 1715a45b3fafSHans Wippel /* generic VNICC request call back */ 1716a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1717a45b3fafSHans Wippel struct qeth_reply *reply, 1718a45b3fafSHans Wippel unsigned long data) 1719a45b3fafSHans Wippel { 1720caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1721caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1722a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1723a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 17242744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command; 1725a45b3fafSHans Wippel 1726a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1727a45b3fafSHans Wippel if (cmd->hdr.return_code) 1728742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code); 1729a45b3fafSHans Wippel /* return results to caller */ 17302cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported; 17312cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled; 1732a45b3fafSHans Wippel 17332744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS) 17342cfb4810SJulian Wiedmann *cbctl->result.sup_cmds = rep->data.query_cmds.sup_cmds; 17352744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT) 17362cfb4810SJulian Wiedmann *cbctl->result.timeout = rep->data.getset_timeout.timeout; 1737349d13d5SHans Wippel 1738a45b3fafSHans Wippel return 0; 1739a45b3fafSHans Wippel } 1740a45b3fafSHans Wippel 17412cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card, 17422cfb4810SJulian Wiedmann u32 vnicc_cmd, 17432cfb4810SJulian Wiedmann unsigned int data_length) 1744a45b3fafSHans Wippel { 17452cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr; 1746a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1747a45b3fafSHans Wippel 17482cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE, 17492cfb4810SJulian Wiedmann data_length + 17502cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data)); 1751a45b3fafSHans Wippel if (!iob) 17522cfb4810SJulian Wiedmann return NULL; 1753a45b3fafSHans Wippel 17542cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr; 17552cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length; 17562cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd; 17572cfb4810SJulian Wiedmann return iob; 1758a45b3fafSHans Wippel } 1759a45b3fafSHans Wippel 1760a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1761a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1762a45b3fafSHans Wippel { 17632cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17642cfb4810SJulian Wiedmann 17652cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch"); 17662cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0); 17672cfb4810SJulian Wiedmann if (!iob) 17682cfb4810SJulian Wiedmann return -ENOMEM; 1769a45b3fafSHans Wippel 17702744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1771a45b3fafSHans Wippel } 1772a45b3fafSHans Wippel 1773caa1f0b1SHans Wippel /* VNICC query sub commands request */ 1774caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 1775caa1f0b1SHans Wippel u32 *sup_cmds) 1776caa1f0b1SHans Wippel { 1777caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 17782cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17792cfb4810SJulian Wiedmann 17802cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm"); 17812cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS, 17822cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds)); 17832cfb4810SJulian Wiedmann if (!iob) 17842cfb4810SJulian Wiedmann return -ENOMEM; 17852cfb4810SJulian Wiedmann 17862cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char; 1787caa1f0b1SHans Wippel 1788caa1f0b1SHans Wippel /* prepare callback control */ 1789caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 1790caa1f0b1SHans Wippel 17912cfb4810SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl); 1792caa1f0b1SHans Wippel } 1793caa1f0b1SHans Wippel 1794caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 1795caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 1796caa1f0b1SHans Wippel u32 cmd) 1797caa1f0b1SHans Wippel { 17982cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 17992cfb4810SJulian Wiedmann 18002cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc"); 18012cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char)); 18022cfb4810SJulian Wiedmann if (!iob) 18032cfb4810SJulian Wiedmann return -ENOMEM; 18042cfb4810SJulian Wiedmann 18052cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char; 1806caa1f0b1SHans Wippel 18072744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL); 1808caa1f0b1SHans Wippel } 1809caa1f0b1SHans Wippel 1810349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 1811349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 1812349d13d5SHans Wippel u32 cmd, u32 *timeout) 1813349d13d5SHans Wippel { 18142cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout; 1815349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 18162cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob; 18172cfb4810SJulian Wiedmann 18182cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst"); 18192cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, 18202cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout)); 18212cfb4810SJulian Wiedmann if (!iob) 18222cfb4810SJulian Wiedmann return -ENOMEM; 18232cfb4810SJulian Wiedmann 18242cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout; 18252cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc; 18262cfb4810SJulian Wiedmann 18272cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT) 18282cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout; 1829349d13d5SHans Wippel 1830349d13d5SHans Wippel /* prepare callback control */ 1831349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 1832349d13d5SHans Wippel cbctl.result.timeout = timeout; 1833349d13d5SHans Wippel 18342cfb4810SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl); 1835349d13d5SHans Wippel } 1836349d13d5SHans Wippel 1837caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 1838caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 1839caa1f0b1SHans Wippel { 1840caa1f0b1SHans Wippel int rc = 0; 1841caa1f0b1SHans Wippel u32 cmd; 1842caa1f0b1SHans Wippel 1843caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 1844caa1f0b1SHans Wippel 1845caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 1846caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1847caa1f0b1SHans Wippel return -EBUSY; 1848caa1f0b1SHans Wippel 1849caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 1850caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 1851caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 1852caa1f0b1SHans Wippel return -EOPNOTSUPP; 1853caa1f0b1SHans Wippel 1854caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 1855caa1f0b1SHans Wippel if (state) { 1856caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 1857caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 1858caa1f0b1SHans Wippel } else { 1859caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 1860caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 1861caa1f0b1SHans Wippel } 1862caa1f0b1SHans Wippel 1863caa1f0b1SHans Wippel /* do we need to do anything? */ 1864caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 1865caa1f0b1SHans Wippel return rc; 1866caa1f0b1SHans Wippel 1867caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 1868caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1869caa1f0b1SHans Wippel if (state) 1870caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 1871caa1f0b1SHans Wippel else 1872caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 1873caa1f0b1SHans Wippel return rc; 1874caa1f0b1SHans Wippel } 1875caa1f0b1SHans Wippel 1876caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 1877caa1f0b1SHans Wippel if (rc) 1878caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 1879caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 1880349d13d5SHans Wippel else { 1881349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 1882349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 1883caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 1884349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 1885349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 1886349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 1887349d13d5SHans Wippel } 1888caa1f0b1SHans Wippel 1889caa1f0b1SHans Wippel return rc; 1890caa1f0b1SHans Wippel } 1891caa1f0b1SHans Wippel 1892caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 1893caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 1894caa1f0b1SHans Wippel { 1895caa1f0b1SHans Wippel int rc = 0; 1896caa1f0b1SHans Wippel 1897caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 1898caa1f0b1SHans Wippel 1899caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 1900caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1901caa1f0b1SHans Wippel return -EBUSY; 1902caa1f0b1SHans Wippel 1903caa1f0b1SHans Wippel /* check if characteristic is supported */ 1904caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 1905caa1f0b1SHans Wippel return -EOPNOTSUPP; 1906caa1f0b1SHans Wippel 1907caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 1908caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 1909caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 1910caa1f0b1SHans Wippel 1911caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 1912caa1f0b1SHans Wippel return rc; 1913caa1f0b1SHans Wippel } 1914caa1f0b1SHans Wippel 1915349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 1916349d13d5SHans Wippel * supports timeout 1917349d13d5SHans Wippel */ 1918349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 1919349d13d5SHans Wippel { 1920349d13d5SHans Wippel int rc = 0; 1921349d13d5SHans Wippel 1922349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 1923349d13d5SHans Wippel 1924349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 1925349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1926349d13d5SHans Wippel return -EBUSY; 1927349d13d5SHans Wippel 1928349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 1929349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1930349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1931349d13d5SHans Wippel return -EOPNOTSUPP; 1932349d13d5SHans Wippel 1933349d13d5SHans Wippel /* do we need to do anything? */ 1934349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 1935349d13d5SHans Wippel return rc; 1936349d13d5SHans Wippel 1937349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 1938349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 1939349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1940349d13d5SHans Wippel return rc; 1941349d13d5SHans Wippel } 1942349d13d5SHans Wippel 1943349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 1944349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1945349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 1946349d13d5SHans Wippel if (!rc) 1947349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 1948349d13d5SHans Wippel 1949349d13d5SHans Wippel return rc; 1950349d13d5SHans Wippel } 1951349d13d5SHans Wippel 1952349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 1953349d13d5SHans Wippel * learning supports timeout 1954349d13d5SHans Wippel */ 1955349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 1956349d13d5SHans Wippel { 1957349d13d5SHans Wippel int rc = 0; 1958349d13d5SHans Wippel 1959349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 1960349d13d5SHans Wippel 1961349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 1962349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 1963349d13d5SHans Wippel return -EBUSY; 1964349d13d5SHans Wippel 1965349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 1966349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 1967349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 1968349d13d5SHans Wippel return -EOPNOTSUPP; 1969349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 1970349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 1971349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 1972349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 1973349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 1974349d13d5SHans Wippel timeout); 1975349d13d5SHans Wippel 1976349d13d5SHans Wippel return rc; 1977349d13d5SHans Wippel } 1978349d13d5SHans Wippel 1979caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 1980caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 1981caa1f0b1SHans Wippel { 1982caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 1983caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 1984caa1f0b1SHans Wippel return false; 1985caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 1986caa1f0b1SHans Wippel * or the card is offline. 1987caa1f0b1SHans Wippel */ 1988caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 1989caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 1990caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 1991caa1f0b1SHans Wippel return false; 1992caa1f0b1SHans Wippel } 1993caa1f0b1SHans Wippel return true; 1994caa1f0b1SHans Wippel } 1995caa1f0b1SHans Wippel 1996349d13d5SHans Wippel /* recover user timeout setting */ 1997349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 1998349d13d5SHans Wippel u32 *timeout) 1999349d13d5SHans Wippel { 2000349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2001349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2002349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2003349d13d5SHans Wippel timeout)) 2004349d13d5SHans Wippel return false; 2005349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2006349d13d5SHans Wippel return true; 2007349d13d5SHans Wippel } 2008349d13d5SHans Wippel 2009caa1f0b1SHans Wippel /* recover user characteristic setting */ 2010caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2011caa1f0b1SHans Wippel bool enable) 2012caa1f0b1SHans Wippel { 2013caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2014caa1f0b1SHans Wippel 2015caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2016caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2017caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2018caa1f0b1SHans Wippel return false; 2019caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2020caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2021caa1f0b1SHans Wippel return true; 2022caa1f0b1SHans Wippel } 2023caa1f0b1SHans Wippel 2024a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2025a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2026a45b3fafSHans Wippel { 2027349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2028caa1f0b1SHans Wippel unsigned int chars_len, i; 2029caa1f0b1SHans Wippel unsigned long chars_tmp; 2030caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2031caa1f0b1SHans Wippel bool enable, error; 2032caa1f0b1SHans Wippel 2033a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2034caa1f0b1SHans Wippel /* reset rx_bcast */ 2035caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2036a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2037a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2038349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2039349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2040caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2041caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2042a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2043a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2044caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2045caa1f0b1SHans Wippel return; 2046a45b3fafSHans Wippel } 2047caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2048caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2049caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2050caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2051caa1f0b1SHans Wippel vnicc = BIT(i); 2052caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2053349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2054349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2055349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2056caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2057caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2058caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2059caa1f0b1SHans Wippel } 2060caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2061349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2062349d13d5SHans Wippel timeout); 2063caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2064caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2065caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2066caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2067caa1f0b1SHans Wippel vnicc = BIT(i); 2068caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2069caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2070caa1f0b1SHans Wippel } 2071caa1f0b1SHans Wippel if (error) 2072caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2073caa1f0b1SHans Wippel } 2074caa1f0b1SHans Wippel 2075caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2076caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2077caa1f0b1SHans Wippel { 2078caa1f0b1SHans Wippel /* characteristics values */ 2079caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2080caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2081349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2082caa1f0b1SHans Wippel /* supported commands */ 2083caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2084349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2085caa1f0b1SHans Wippel /* settings wanted by users */ 2086caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2087a45b3fafSHans Wippel } 2088a45b3fafSHans Wippel 20894a71df50SFrank Blaschka module_init(qeth_l2_init); 20904a71df50SFrank Blaschka module_exit(qeth_l2_exit); 20914a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 20924a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 20934a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2094