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 *); 284a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 29c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 30c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 31c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 32c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 33c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 34caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 35a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 36349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 37349d13d5SHans Wippel u32 *timeout); 384a71df50SFrank Blaschka 392aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 404a71df50SFrank Blaschka { 41efbbc1d5SEugene Crosser int rc; 424a71df50SFrank Blaschka 43efbbc1d5SEugene Crosser if (retcode) 441aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 45efbbc1d5SEugene Crosser switch (retcode) { 46efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 47efbbc1d5SEugene Crosser rc = 0; 48efbbc1d5SEugene Crosser break; 49efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 50ffb95251SEugene Crosser rc = -EOPNOTSUPP; 51efbbc1d5SEugene Crosser break; 52efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 53efbbc1d5SEugene Crosser rc = -ENOSPC; 54efbbc1d5SEugene Crosser break; 55efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 56efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 57efbbc1d5SEugene Crosser rc = -EEXIST; 58efbbc1d5SEugene Crosser break; 59efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 60efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 61efbbc1d5SEugene Crosser rc = -EPERM; 62efbbc1d5SEugene Crosser break; 63efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 64efbbc1d5SEugene Crosser rc = -ENOENT; 65efbbc1d5SEugene Crosser break; 661aec42bcSThomas Richter case -ENOMEM: 671aec42bcSThomas Richter rc = -ENOMEM; 681aec42bcSThomas Richter break; 69efbbc1d5SEugene Crosser default: 70efbbc1d5SEugene Crosser rc = -EIO; 71efbbc1d5SEugene Crosser break; 724a71df50SFrank Blaschka } 73efbbc1d5SEugene Crosser return rc; 744a71df50SFrank Blaschka } 754a71df50SFrank Blaschka 76ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 77ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 78ac988d78SJulian Wiedmann { 79ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 80ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 81ac988d78SJulian Wiedmann 82ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 83ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 84ac988d78SJulian Wiedmann if (!iob) 85ac988d78SJulian Wiedmann return -ENOMEM; 86ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 8799f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 8899f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 892aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 90ac988d78SJulian Wiedmann NULL, NULL)); 91ac988d78SJulian Wiedmann } 92ac988d78SJulian Wiedmann 93ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 94ac988d78SJulian Wiedmann { 95ac988d78SJulian Wiedmann int rc; 96ac988d78SJulian Wiedmann 97ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 98ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 99ac988d78SJulian Wiedmann if (rc == 0) { 100ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 101ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 102bcacfcbcSJulian Wiedmann mac, card->dev->name); 103ac988d78SJulian Wiedmann } else { 104ac988d78SJulian Wiedmann switch (rc) { 105ac988d78SJulian Wiedmann case -EEXIST: 106ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 107ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 108ac988d78SJulian Wiedmann break; 109ac988d78SJulian Wiedmann case -EPERM: 110ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 111ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 112ac988d78SJulian Wiedmann break; 113ac988d78SJulian Wiedmann } 114ac988d78SJulian Wiedmann } 115ac988d78SJulian Wiedmann return rc; 116ac988d78SJulian Wiedmann } 117ac988d78SJulian Wiedmann 1188174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1194a71df50SFrank Blaschka { 1209d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1218174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 122efbbc1d5SEugene Crosser int rc; 123efbbc1d5SEugene Crosser 1248174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1258174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 126efbbc1d5SEugene Crosser if (rc == -EEXIST) 127e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 128e19e5be8SJulian Wiedmann CARD_DEVID(card)); 129efbbc1d5SEugene Crosser else if (rc) 130e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 131e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 132efbbc1d5SEugene Crosser return rc; 1334a71df50SFrank Blaschka } 1344a71df50SFrank Blaschka 1358174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1364a71df50SFrank Blaschka { 1379d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1388174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 139efbbc1d5SEugene Crosser int rc; 140efbbc1d5SEugene Crosser 1418174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1428174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 143efbbc1d5SEugene Crosser if (rc) 144e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 145e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 146efbbc1d5SEugene Crosser return rc; 1474a71df50SFrank Blaschka } 1484a71df50SFrank Blaschka 149c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1504a71df50SFrank Blaschka { 151fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 152fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 153fe5c8028SLakhvich Dmitriy int i; 1544a71df50SFrank Blaschka 1554a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 156fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 157fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 158fe5c8028SLakhvich Dmitriy kfree(mac); 1594a71df50SFrank Blaschka } 1604a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 1614a71df50SFrank Blaschka } 1624a71df50SFrank Blaschka 163cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 1644a71df50SFrank Blaschka { 165ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 16686c0cdb9SJulian Wiedmann return RTN_UNICAST; 167ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 168ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 169ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 170ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 17186c0cdb9SJulian Wiedmann return RTN_UNICAST; 1724a71df50SFrank Blaschka } 1734a71df50SFrank Blaschka 174fc69660bSJulian Wiedmann static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 175fc69660bSJulian Wiedmann struct sk_buff *skb, int ipv, int cast_type, 176fc69660bSJulian Wiedmann unsigned int data_len) 1774a71df50SFrank Blaschka { 1780aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1794a71df50SFrank Blaschka 180ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1814a71df50SFrank Blaschka 1820aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1830aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1840aef8392SJulian Wiedmann } else { 1850aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 186fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 187fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 188fc69660bSJulian Wiedmann if (card->options.performance_stats) 189fc69660bSJulian Wiedmann card->perf_stats.tx_csum++; 190fc69660bSJulian Wiedmann } 1910aef8392SJulian Wiedmann } 192fc69660bSJulian Wiedmann 1934a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1944a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1954a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1964a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1974a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1984a71df50SFrank Blaschka else 199ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2004a71df50SFrank Blaschka 2014a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2024a71df50SFrank Blaschka * information to be present in 2034a71df50SFrank Blaschka * the QDIO header */ 2044a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2054a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2064a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2074a71df50SFrank Blaschka } 2084a71df50SFrank Blaschka } 2094a71df50SFrank Blaschka 2102aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2114a71df50SFrank Blaschka { 2122aa48671SJulian Wiedmann if (retcode) 2132aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2142aa48671SJulian Wiedmann 2152aa48671SJulian Wiedmann switch (retcode) { 2162aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2172aa48671SJulian Wiedmann return 0; 2182aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2192aa48671SJulian Wiedmann return -EINVAL; 2202aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2212aa48671SJulian Wiedmann return -EEXIST; 2222aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2232aa48671SJulian Wiedmann return -ENOENT; 2242aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2252aa48671SJulian Wiedmann return -EPERM; 2262aa48671SJulian Wiedmann case -ENOMEM: 2272aa48671SJulian Wiedmann return -ENOMEM; 2282aa48671SJulian Wiedmann default: 2292aa48671SJulian Wiedmann return -EIO; 2302aa48671SJulian Wiedmann } 2312aa48671SJulian Wiedmann } 2322aa48671SJulian Wiedmann 2332aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2342aa48671SJulian Wiedmann struct qeth_reply *reply, 2352aa48671SJulian Wiedmann unsigned long data) 2362aa48671SJulian Wiedmann { 2372aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2384a71df50SFrank Blaschka 239847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2404a71df50SFrank Blaschka if (cmd->hdr.return_code) { 241e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2422aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 243e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 244847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 245847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2464a71df50SFrank Blaschka } 2474a71df50SFrank Blaschka return 0; 2484a71df50SFrank Blaschka } 2494a71df50SFrank Blaschka 2504a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2514a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2524a71df50SFrank Blaschka { 2534a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2544a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2554a71df50SFrank Blaschka 256847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2574a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2581aec42bcSThomas Richter if (!iob) 2591aec42bcSThomas Richter return -ENOMEM; 260ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2614a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 2622aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 2632aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 2644a71df50SFrank Blaschka } 2654a71df50SFrank Blaschka 26670919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 2674a71df50SFrank Blaschka { 2684a71df50SFrank Blaschka struct qeth_vlan_vid *id; 269d4ac0246SJulian Wiedmann 270847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 271d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 2724a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 27370919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 2744a71df50SFrank Blaschka } 275d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 2764a71df50SFrank Blaschka } 2774a71df50SFrank Blaschka 27880d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 27980d5c368SPatrick McHardy __be16 proto, u16 vid) 2804a71df50SFrank Blaschka { 281509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2824a71df50SFrank Blaschka struct qeth_vlan_vid *id; 2831aec42bcSThomas Richter int rc; 2844a71df50SFrank Blaschka 285847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 28610651db7SUrsula Braun if (!vid) 2878e586137SJiri Pirko return 0; 2888e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 289847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 2908e586137SJiri Pirko return 0; 2918e98ac48SUrsula Braun } 292d4ac0246SJulian Wiedmann id = kmalloc(sizeof(*id), GFP_KERNEL); 2934a71df50SFrank Blaschka if (id) { 2944a71df50SFrank Blaschka id->vid = vid; 2951aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2961aec42bcSThomas Richter if (rc) { 2971aec42bcSThomas Richter kfree(id); 2981aec42bcSThomas Richter return rc; 2991aec42bcSThomas Richter } 300d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3014a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 302d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3038e586137SJiri Pirko } else { 3048e586137SJiri Pirko return -ENOMEM; 3054a71df50SFrank Blaschka } 3068e586137SJiri Pirko return 0; 3074a71df50SFrank Blaschka } 3084a71df50SFrank Blaschka 30980d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 31080d5c368SPatrick McHardy __be16 proto, u16 vid) 3114a71df50SFrank Blaschka { 3124a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 313509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3141aec42bcSThomas Richter int rc = 0; 3154a71df50SFrank Blaschka 316847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3178e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 318847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3198e586137SJiri Pirko return 0; 3208e98ac48SUrsula Braun } 321d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3224a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3234a71df50SFrank Blaschka if (id->vid == vid) { 3244a71df50SFrank Blaschka list_del(&id->list); 3254a71df50SFrank Blaschka tmpid = id; 3264a71df50SFrank Blaschka break; 3274a71df50SFrank Blaschka } 3284a71df50SFrank Blaschka } 329d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3304a71df50SFrank Blaschka if (tmpid) { 3311aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3324a71df50SFrank Blaschka kfree(tmpid); 3334a71df50SFrank Blaschka } 3341aec42bcSThomas Richter return rc; 3354a71df50SFrank Blaschka } 3364a71df50SFrank Blaschka 337b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3384a71df50SFrank Blaschka { 339d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 340d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3414a71df50SFrank Blaschka 3424a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3434a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3444a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3454a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3464a71df50SFrank Blaschka if (recovery_mode && 3474a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3484a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3494a71df50SFrank Blaschka } else { 3504a71df50SFrank Blaschka rtnl_lock(); 3514a71df50SFrank Blaschka dev_close(card->dev); 3524a71df50SFrank Blaschka rtnl_unlock(); 3534a71df50SFrank Blaschka } 35470919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3554a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3564a71df50SFrank Blaschka } 3574a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 358c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 3594a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3604a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3614a71df50SFrank Blaschka } 3624a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3634a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3644a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 3654a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 3664a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 3674a71df50SFrank Blaschka } 3684a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 3694a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 3704a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 3714a71df50SFrank Blaschka } 3724a71df50SFrank Blaschka } 3734a71df50SFrank Blaschka 374a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 375a1c3ed4cSFrank Blaschka int budget, int *done) 3764a71df50SFrank Blaschka { 377a1c3ed4cSFrank Blaschka int work_done = 0; 3784a71df50SFrank Blaschka struct sk_buff *skb; 3794a71df50SFrank Blaschka struct qeth_hdr *hdr; 3804a71df50SFrank Blaschka unsigned int len; 3814a71df50SFrank Blaschka 382a1c3ed4cSFrank Blaschka *done = 0; 38318af5c17SStefan Raspl WARN_ON_ONCE(!budget); 384a1c3ed4cSFrank Blaschka while (budget) { 385a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 386b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 387a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 388a1c3ed4cSFrank Blaschka if (!skb) { 389a1c3ed4cSFrank Blaschka *done = 1; 390a1c3ed4cSFrank Blaschka break; 3914a71df50SFrank Blaschka } 3924a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 3934a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 3944a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 3956195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 39612883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 3974a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 3984a71df50SFrank Blaschka len = skb->len; 3999abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 4004a71df50SFrank Blaschka break; 4014a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4022d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4034a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4044a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4054a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4064a71df50SFrank Blaschka len = skb->len; 4074a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4084a71df50SFrank Blaschka break; 4092d488c2fSUrsula Braun } 4102d488c2fSUrsula Braun /* else unknown */ 4114a71df50SFrank Blaschka default: 4124a71df50SFrank Blaschka dev_kfree_skb_any(skb); 413847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 4140ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 4154a71df50SFrank Blaschka continue; 4164a71df50SFrank Blaschka } 417a1c3ed4cSFrank Blaschka work_done++; 418a1c3ed4cSFrank Blaschka budget--; 4194a71df50SFrank Blaschka card->stats.rx_packets++; 4204a71df50SFrank Blaschka card->stats.rx_bytes += len; 4214a71df50SFrank Blaschka } 422a1c3ed4cSFrank Blaschka return work_done; 423a1c3ed4cSFrank Blaschka } 424a1c3ed4cSFrank Blaschka 4254a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4264a71df50SFrank Blaschka { 4274a71df50SFrank Blaschka int rc = 0; 4284a71df50SFrank Blaschka 429ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 430d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 4314a71df50SFrank Blaschka 432ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 433ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 434ec61bd2fSJulian Wiedmann if (!rc) 435ec61bd2fSJulian Wiedmann goto out; 436e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 437e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 438ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 439ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 440ec61bd2fSJulian Wiedmann } 441ec61bd2fSJulian Wiedmann 442b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 4434a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 444b144b99fSJulian Wiedmann if (!rc && is_valid_ether_addr(card->dev->dev_addr)) 44521b1702aSJulian Wiedmann goto out; 446e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 447e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 4481aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 44921b1702aSJulian Wiedmann /* fall back once more: */ 4504a71df50SFrank Blaschka } 45121b1702aSJulian Wiedmann 45221b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 45321b1702aSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM || 45421b1702aSJulian Wiedmann card->info.type == QETH_CARD_TYPE_OSX) 45521b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 45621b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 45721b1702aSJulian Wiedmann 458ec61bd2fSJulian Wiedmann out: 459ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 4604a71df50SFrank Blaschka return 0; 4614a71df50SFrank Blaschka } 4624a71df50SFrank Blaschka 4634a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4644a71df50SFrank Blaschka { 4654a71df50SFrank Blaschka struct sockaddr *addr = p; 466509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 467bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4684a71df50SFrank Blaschka int rc = 0; 4694a71df50SFrank Blaschka 470847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4714a71df50SFrank Blaschka 4725113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 4735113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 4745113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 475847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4764a71df50SFrank Blaschka return -EOPNOTSUPP; 4774a71df50SFrank Blaschka } 47899f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 479bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 480bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 481bcacfcbcSJulian Wiedmann 4828e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 483847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 4848e98ac48SUrsula Braun return -ERESTARTSYS; 4858e98ac48SUrsula Braun } 486bcacfcbcSJulian Wiedmann 4874789a218SJulian Wiedmann /* avoid racing against concurrent state change: */ 4884789a218SJulian Wiedmann if (!mutex_trylock(&card->conf_mutex)) 4894789a218SJulian Wiedmann return -EAGAIN; 4904789a218SJulian Wiedmann 491bcacfcbcSJulian Wiedmann if (!qeth_card_hw_is_reachable(card)) { 492bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 4934789a218SJulian Wiedmann goto out_unlock; 494bcacfcbcSJulian Wiedmann } 495bcacfcbcSJulian Wiedmann 496bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 497bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 498bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 4994789a218SJulian Wiedmann goto out_unlock; 500bcacfcbcSJulian Wiedmann 501bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 5024a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 503bcacfcbcSJulian Wiedmann if (rc) 5044789a218SJulian Wiedmann goto out_unlock; 505bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 506bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 507bcacfcbcSJulian Wiedmann 508bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 509bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 510bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 5114789a218SJulian Wiedmann 5124789a218SJulian Wiedmann out_unlock: 5134789a218SJulian Wiedmann mutex_unlock(&card->conf_mutex); 5144789a218SJulian Wiedmann return rc; 5154a71df50SFrank Blaschka } 5164a71df50SFrank Blaschka 5170db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5180db587b0SEugene Crosser { 5190db587b0SEugene Crosser struct net_device *dev = card->dev; 5200db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5210db587b0SEugene Crosser int role; 5220db587b0SEugene Crosser int rc; 5230db587b0SEugene Crosser 5240db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5250db587b0SEugene Crosser 5260db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5270db587b0SEugene Crosser return; 5280db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5290db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5300db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5310db587b0SEugene Crosser return; 5320db587b0SEugene Crosser 5330db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5340db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5350db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5360db587b0SEugene Crosser else 5370db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5380db587b0SEugene Crosser } else 5390db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5400db587b0SEugene Crosser 5410db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5420db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5430db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5440db587b0SEugene Crosser if (!rc) { 5450db587b0SEugene Crosser card->options.sbp.role = role; 5460db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5470db587b0SEugene Crosser } 548fe5c8028SLakhvich Dmitriy 549fe5c8028SLakhvich Dmitriy } 550fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 551fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 552fe5c8028SLakhvich Dmitriy * 553fe5c8028SLakhvich Dmitriy */ 5544641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 555fe5c8028SLakhvich Dmitriy { 556cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 557fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 558fe5c8028SLakhvich Dmitriy 559cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 56099f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5615f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 562fe5c8028SLakhvich Dmitriy return; 563fe5c8028SLakhvich Dmitriy } 5640db587b0SEugene Crosser } 5650db587b0SEugene Crosser 566fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 567fe5c8028SLakhvich Dmitriy if (!mac) 568fe5c8028SLakhvich Dmitriy return; 569fe5c8028SLakhvich Dmitriy 57099f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 5715f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 572fe5c8028SLakhvich Dmitriy 573cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 574fe5c8028SLakhvich Dmitriy } 575fe5c8028SLakhvich Dmitriy 576fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 5774a71df50SFrank Blaschka { 578509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 579ccffad25SJiri Pirko struct netdev_hw_addr *ha; 580fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 581fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 582fe5c8028SLakhvich Dmitriy int i; 583fe5c8028SLakhvich Dmitriy int rc; 5844a71df50SFrank Blaschka 5854a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 5864a71df50SFrank Blaschka return; 5874a71df50SFrank Blaschka 588847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 5898e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 5908e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 5918e98ac48SUrsula Braun return; 592fe5c8028SLakhvich Dmitriy 5934a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 594fe5c8028SLakhvich Dmitriy 59522bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 5964641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 59732e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 5984641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 599fe5c8028SLakhvich Dmitriy 600fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 60100c163f1SJulian Wiedmann switch (mac->disp_flag) { 60200c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 6038174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 604fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 605fe5c8028SLakhvich Dmitriy kfree(mac); 60600c163f1SJulian Wiedmann break; 60700c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 6088174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 609fe5c8028SLakhvich Dmitriy if (rc) { 610fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 611fe5c8028SLakhvich Dmitriy kfree(mac); 61200c163f1SJulian Wiedmann break; 61300c163f1SJulian Wiedmann } 61400c163f1SJulian Wiedmann /* fall through */ 61500c163f1SJulian Wiedmann default: 61600c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 6175f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 61800c163f1SJulian Wiedmann } 619fe5c8028SLakhvich Dmitriy } 6207db2266aSFrank Blaschka 6214a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 622fe5c8028SLakhvich Dmitriy 6230db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6244a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6250db587b0SEugene Crosser else 6260db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6274a71df50SFrank Blaschka } 6284a71df50SFrank Blaschka 6297286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 6307286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 6317286384bSJulian Wiedmann { 63269d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 63369d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 63469d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 63569d7ce80SJulian Wiedmann unsigned int elements = 0; 63669d7ce80SJulian Wiedmann unsigned int hd_len = 0; 63769d7ce80SJulian Wiedmann int rc; 6387286384bSJulian Wiedmann 6397286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 6407286384bSJulian Wiedmann return -EPROTONOSUPPORT; 6417286384bSJulian Wiedmann 64269d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 64369d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 64469d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 64569d7ce80SJulian Wiedmann if (!hdr) 64669d7ce80SJulian Wiedmann return -ENOMEM; 64769d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 64869d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 64969d7ce80SJulian Wiedmann elements++; 65069d7ce80SJulian Wiedmann } 65169d7ce80SJulian Wiedmann 65269d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 65369d7ce80SJulian Wiedmann if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) { 65469d7ce80SJulian Wiedmann rc = -E2BIG; 65569d7ce80SJulian Wiedmann goto out; 65669d7ce80SJulian Wiedmann } 65769d7ce80SJulian Wiedmann 65869d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 65969d7ce80SJulian Wiedmann elements); 66069d7ce80SJulian Wiedmann out: 66169d7ce80SJulian Wiedmann if (rc && hd_len) 66269d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 66369d7ce80SJulian Wiedmann return rc; 6647286384bSJulian Wiedmann } 6657286384bSJulian Wiedmann 666e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 667e38db6beSJulian Wiedmann struct net_device *dev) 6684a71df50SFrank Blaschka { 669509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 670ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 671571f9dd8SKittipon Meesompop int ipv = qeth_get_ip_version(skb); 672290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 6734a71df50SFrank Blaschka int tx_bytes = skb->len; 6747286384bSJulian Wiedmann int rc; 6754a71df50SFrank Blaschka 67691cc98f5SJulian Wiedmann if (card->state != CARD_STATE_UP) { 6774a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 6784a71df50SFrank Blaschka goto tx_drop; 6794a71df50SFrank Blaschka } 6804a71df50SFrank Blaschka 68186c0cdb9SJulian Wiedmann queue = qeth_get_tx_queue(card, skb, ipv, cast_type); 68286c0cdb9SJulian Wiedmann 6834a71df50SFrank Blaschka if (card->options.performance_stats) { 6844a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 6854a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 6864a71df50SFrank Blaschka } 6874a71df50SFrank Blaschka netif_stop_queue(dev); 6884a71df50SFrank Blaschka 6895f89eca5SJulian Wiedmann if (IS_OSN(card)) 6907286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 6915f89eca5SJulian Wiedmann else 692fc69660bSJulian Wiedmann rc = qeth_xmit(card, skb, queue, ipv, cast_type, 693fc69660bSJulian Wiedmann qeth_l2_fill_header); 6944a71df50SFrank Blaschka 6954a71df50SFrank Blaschka if (!rc) { 6964a71df50SFrank Blaschka card->stats.tx_packets++; 6974a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 6984a71df50SFrank Blaschka if (card->options.performance_stats) 6994a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 7004a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 7017286384bSJulian Wiedmann netif_wake_queue(dev); 7027286384bSJulian Wiedmann return NETDEV_TX_OK; 7037286384bSJulian Wiedmann } else if (rc == -EBUSY) { 7047286384bSJulian Wiedmann return NETDEV_TX_BUSY; 7057286384bSJulian Wiedmann } /* else fall through */ 7064a71df50SFrank Blaschka 7074a71df50SFrank Blaschka tx_drop: 7084a71df50SFrank Blaschka card->stats.tx_dropped++; 7094a71df50SFrank Blaschka card->stats.tx_errors++; 7104a71df50SFrank Blaschka dev_kfree_skb_any(skb); 711d0ec0f54SFrank Blaschka netif_wake_queue(dev); 7124a71df50SFrank Blaschka return NETDEV_TX_OK; 7134a71df50SFrank Blaschka } 7144a71df50SFrank Blaschka 71539423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 7164a71df50SFrank Blaschka { 717509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 718a1c3ed4cSFrank Blaschka int rc = 0; 7194a71df50SFrank Blaschka 720847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 72139423440SUrsula Braun if (card->state == CARD_STATE_UP) 72239423440SUrsula Braun return rc; 7234a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 7244a71df50SFrank Blaschka return -ENODEV; 7254a71df50SFrank Blaschka 7264a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 7274a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 728847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 7294a71df50SFrank Blaschka return -EPERM; 7304a71df50SFrank Blaschka } 7314a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 7324a71df50SFrank Blaschka card->state = CARD_STATE_UP; 7334a71df50SFrank Blaschka netif_start_queue(dev); 7344a71df50SFrank Blaschka 735a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 736a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 7374d19db77SJulian Wiedmann local_bh_disable(); 738a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 7394d19db77SJulian Wiedmann /* kick-start the NAPI softirq: */ 7404d19db77SJulian Wiedmann local_bh_enable(); 741a1c3ed4cSFrank Blaschka } else 742a1c3ed4cSFrank Blaschka rc = -EIO; 743a1c3ed4cSFrank Blaschka return rc; 7444a71df50SFrank Blaschka } 7454a71df50SFrank Blaschka 74639423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 74739423440SUrsula Braun { 74839423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 74939423440SUrsula Braun 75039423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 75139423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 75239423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 75339423440SUrsula Braun return -ERESTARTSYS; 75439423440SUrsula Braun } 75539423440SUrsula Braun return __qeth_l2_open(dev); 75639423440SUrsula Braun } 75739423440SUrsula Braun 7584a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 7594a71df50SFrank Blaschka { 760509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 7614a71df50SFrank Blaschka 762847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 7634a71df50SFrank Blaschka netif_tx_disable(dev); 764a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 7654a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 766a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 767a1c3ed4cSFrank Blaschka } 7684a71df50SFrank Blaschka return 0; 7694a71df50SFrank Blaschka } 7704a71df50SFrank Blaschka 7712d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 7722d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 7732d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 7742d2ebb3eSJulian Wiedmann }; 7752d2ebb3eSJulian Wiedmann 7764a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 7774a71df50SFrank Blaschka { 7784a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 7799111e788SUrsula Braun int rc; 7804a71df50SFrank Blaschka 7812d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 7829111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 7839111e788SUrsula Braun if (rc) 7849111e788SUrsula Braun return rc; 7852d2ebb3eSJulian Wiedmann } 7864a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 787fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 7881da74b1cSFrank Blaschka card->info.hwtrap = 0; 789caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 7904a71df50SFrank Blaschka return 0; 7914a71df50SFrank Blaschka } 7924a71df50SFrank Blaschka 7934a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 7944a71df50SFrank Blaschka { 7954a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 7964a71df50SFrank Blaschka 7972d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 798b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 799f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 8004a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 8014a71df50SFrank Blaschka 80270919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 8034a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 80430356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 8054a71df50SFrank Blaschka unregister_netdev(card->dev); 8064a71df50SFrank Blaschka } 8074a71df50SFrank Blaschka 8080fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 8094a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 8104a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8114a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 812df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 8134a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 814993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 8154a71df50SFrank Blaschka }; 8164a71df50SFrank Blaschka 8170fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 8184a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8194a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 820df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 8214a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8224a71df50SFrank Blaschka }; 8234a71df50SFrank Blaschka 8243d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 8258403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 8268403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 8278403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 8288403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 8296d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 8308403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 831fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 832942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 8338403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 8348403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 8358403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 8368403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 8378f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 8388f43fb00SThomas Richter .ndo_set_features = qeth_set_features 8398403b13cSFrank Blaschka }; 8408403b13cSFrank Blaschka 8419fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 8424a71df50SFrank Blaschka { 843d3d1b205SJulian Wiedmann int rc; 8444a71df50SFrank Blaschka 84530356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 846d3d1b205SJulian Wiedmann return 0; 8474a71df50SFrank Blaschka 848d3aacac4SJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 8498403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 85025e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 85125e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 85225e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 85325e2c341SJulian Wiedmann } else { 85425e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 8555f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 85625e2c341SJulian Wiedmann } 8579400c53fSJulian Wiedmann 8589400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 8599400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 8609400c53fSJulian Wiedmann else 861f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 8620f342945SJulian Wiedmann 8634d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 8646d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 8658f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 8669bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 8678f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 8689bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 8699bdc4411SHans Wippel } 8704d7def2aSThomas Richter } 871571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 872571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 873571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 874571f9dd8SKittipon Meesompop } 875d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 876d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 877d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 878d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 879d7e6ed97SKittipon Meesompop } 8800aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 8810aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 8820aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 8830aef8392SJulian Wiedmann } 8840aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 8850aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 8860aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 8870aef8392SJulian Wiedmann } 8880aef8392SJulian Wiedmann 8890aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 8900aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 8910aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 8920aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 8930aef8392SJulian Wiedmann } 8940d6f02d3SJulian Wiedmann 895b144b99fSJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 8964a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 897d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 898d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 8999fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 9009fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 9019fae5c3bSJulian Wiedmann 902d3d1b205SJulian Wiedmann if (rc) 903d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 904d3d1b205SJulian Wiedmann return rc; 9054a71df50SFrank Blaschka } 9064a71df50SFrank Blaschka 9074d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 9084d7def2aSThomas Richter { 9094d7def2aSThomas Richter /* configure isolation level */ 9104d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 9114d7def2aSThomas Richter return -ENODEV; 9124d7def2aSThomas Richter return 0; 9134d7def2aSThomas Richter } 9144d7def2aSThomas Richter 915521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 916521c10eaSJulian Wiedmann { 917a45b3fafSHans Wippel /* Set BridgePort features */ 918a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 919521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 920521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 921a45b3fafSHans Wippel /* VNIC Characteristics features */ 922a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 923a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 924a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 925521c10eaSJulian Wiedmann } 926521c10eaSJulian Wiedmann 9274a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 9284a71df50SFrank Blaschka { 9294a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 9304a71df50SFrank Blaschka int rc = 0; 9314a71df50SFrank Blaschka enum qeth_card_states recover_flag; 9329fae5c3bSJulian Wiedmann bool carrier_ok; 9334a71df50SFrank Blaschka 9349dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 935c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 936d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 937d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 9384a71df50SFrank Blaschka 9394a71df50SFrank Blaschka recover_flag = card->state; 9409fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 9414a71df50SFrank Blaschka if (rc) { 9421aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 943aa909224SUrsula Braun rc = -ENODEV; 9444a71df50SFrank Blaschka goto out_remove; 9454a71df50SFrank Blaschka } 946c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 947c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 948c044dc21SEugene Crosser dev_info(&card->gdev->dev, 9499c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 9504a71df50SFrank Blaschka 9519fae5c3bSJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 952d3d1b205SJulian Wiedmann if (rc) 9534a71df50SFrank Blaschka goto out_remove; 9544a71df50SFrank Blaschka 955bcacfcbcSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 956bcacfcbcSJulian Wiedmann !qeth_l2_send_setmac(card, card->dev->dev_addr)) 957bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 9584a71df50SFrank Blaschka 9591da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 9601da74b1cSFrank Blaschka if (card->info.hwtrap && 9611da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 9621da74b1cSFrank Blaschka card->info.hwtrap = 0; 9631da74b1cSFrank Blaschka } else 9641da74b1cSFrank Blaschka card->info.hwtrap = 0; 9651da74b1cSFrank Blaschka 966a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 967a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 968a45b3fafSHans Wippel 969a45b3fafSHans Wippel qeth_trace_features(card); 970a45b3fafSHans Wippel qeth_l2_trace_features(card); 971a45b3fafSHans Wippel 972b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 973b4d72c08SEugene Crosser 9744a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 9754a71df50SFrank Blaschka qeth_print_status_message(card); 9764a71df50SFrank Blaschka 9774a71df50SFrank Blaschka /* softsetup */ 978d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 9794a71df50SFrank Blaschka 9805113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 9810f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 9828f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 9838f43fb00SThomas Richter if (rc) 9840f54761dSStefan Raspl goto out_remove; 9850f54761dSStefan Raspl } 9865113fec0SUrsula Braun 9879400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 98870919e23SUrsula Braun qeth_l2_process_vlans(card); 9894a71df50SFrank Blaschka 9904a71df50SFrank Blaschka netif_tx_disable(card->dev); 9914a71df50SFrank Blaschka 9924a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 9934a71df50SFrank Blaschka if (rc) { 994d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 995aa909224SUrsula Braun rc = -ENODEV; 9964a71df50SFrank Blaschka goto out_remove; 9974a71df50SFrank Blaschka } 9984a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 9994a71df50SFrank Blaschka 10004a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1001d025da9eSJulian Wiedmann 1002d025da9eSJulian Wiedmann qeth_enable_hw_features(card->dev); 10034a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 10044a71df50SFrank Blaschka if (recovery_mode && 10054a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 100639423440SUrsula Braun __qeth_l2_open(card->dev); 10079aa17df3SJulian Wiedmann qeth_l2_set_rx_mode(card->dev); 10084a71df50SFrank Blaschka } else { 10094a71df50SFrank Blaschka rtnl_lock(); 101000f54e68SPetr Machata dev_open(card->dev, NULL); 10114a71df50SFrank Blaschka rtnl_unlock(); 10124a71df50SFrank Blaschka } 10134a71df50SFrank Blaschka } 10144a71df50SFrank Blaschka /* let user_space know that device is online */ 10154a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1016c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10179dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10184a71df50SFrank Blaschka return 0; 1019aa909224SUrsula Braun 10204a71df50SFrank Blaschka out_remove: 10214a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 10224a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 10234a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 10244a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 102522ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 10264a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 10274a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10284a71df50SFrank Blaschka else 10294a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1030c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10319dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1032aa909224SUrsula Braun return rc; 10334a71df50SFrank Blaschka } 10344a71df50SFrank Blaschka 10354a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 10364a71df50SFrank Blaschka { 10374a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 10384a71df50SFrank Blaschka } 10394a71df50SFrank Blaschka 10404a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 10414a71df50SFrank Blaschka int recovery_mode) 10424a71df50SFrank Blaschka { 10434a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 10444a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 10454a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10464a71df50SFrank Blaschka 10479dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1048c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1049d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1050d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 10514a71df50SFrank Blaschka 10524a71df50SFrank Blaschka netif_carrier_off(card->dev); 10534a71df50SFrank Blaschka recover_flag = card->state; 10541da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 10551da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 10561da74b1cSFrank Blaschka card->info.hwtrap = 1; 10571da74b1cSFrank Blaschka } 10580f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 10594a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 10604a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 10614a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 10624a71df50SFrank Blaschka if (!rc) 10634a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 10644a71df50SFrank Blaschka if (rc) 1065d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 106622ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 10674a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 10684a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10694a71df50SFrank Blaschka /* let user_space know that device is offline */ 10704a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1071c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10729dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10734a71df50SFrank Blaschka return 0; 10744a71df50SFrank Blaschka } 10754a71df50SFrank Blaschka 10764a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 10774a71df50SFrank Blaschka { 10784a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 10794a71df50SFrank Blaschka } 10804a71df50SFrank Blaschka 10814a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 10824a71df50SFrank Blaschka { 10834a71df50SFrank Blaschka struct qeth_card *card; 10844a71df50SFrank Blaschka int rc = 0; 10854a71df50SFrank Blaschka 10864a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1087847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 10884a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 10894a71df50SFrank Blaschka return 0; 1090847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 109174eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 109274eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 109365d8013cSStefan Raspl qeth_set_recovery_task(card); 10944a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 10954a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 10964a71df50SFrank Blaschka if (!rc) 109774eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 109874eacdb9SFrank Blaschka "Device successfully recovered!\n"); 109928a7e4c9SUrsula Braun else { 11000f54761dSStefan Raspl qeth_close_dev(card); 110174eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 110274eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 110328a7e4c9SUrsula Braun } 110465d8013cSStefan Raspl qeth_clear_recovery_task(card); 1105a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1106a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 11074a71df50SFrank Blaschka return 0; 11084a71df50SFrank Blaschka } 11094a71df50SFrank Blaschka 11104a71df50SFrank Blaschka static int __init qeth_l2_init(void) 11114a71df50SFrank Blaschka { 111274eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 11134a71df50SFrank Blaschka return 0; 11144a71df50SFrank Blaschka } 11154a71df50SFrank Blaschka 11164a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 11174a71df50SFrank Blaschka { 111874eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 11194a71df50SFrank Blaschka } 11204a71df50SFrank Blaschka 1121bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1122bbcfcdc8SFrank Blaschka { 1123bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1124bbcfcdc8SFrank Blaschka 1125bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1126bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1127bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1128bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1129bbcfcdc8SFrank Blaschka return 0; 1130bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 11311da74b1cSFrank Blaschka if (card->info.hwtrap) 11321da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1133bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1134bbcfcdc8SFrank Blaschka } else 1135bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1136bbcfcdc8SFrank Blaschka return 0; 1137bbcfcdc8SFrank Blaschka } 1138bbcfcdc8SFrank Blaschka 1139bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1140bbcfcdc8SFrank Blaschka { 1141bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1142bbcfcdc8SFrank Blaschka int rc = 0; 1143bbcfcdc8SFrank Blaschka 1144bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1145bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1146bbcfcdc8SFrank Blaschka if (rc) { 1147bbcfcdc8SFrank Blaschka rtnl_lock(); 1148bbcfcdc8SFrank Blaschka dev_close(card->dev); 1149bbcfcdc8SFrank Blaschka rtnl_unlock(); 1150bbcfcdc8SFrank Blaschka } 1151bbcfcdc8SFrank Blaschka } else 1152bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 11536585ac4eSJulian Wiedmann 1154bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1155bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1156bbcfcdc8SFrank Blaschka if (rc) 1157bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1158bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1159bbcfcdc8SFrank Blaschka return rc; 1160bbcfcdc8SFrank Blaschka } 1161bbcfcdc8SFrank Blaschka 1162c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1163c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1164c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1165c044dc21SEugene Crosser { 1166c044dc21SEugene Crosser switch (cmd->hdr.command) { 11679c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 11689c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1169c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1170c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1171c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1172c044dc21SEugene Crosser return 0; 1173c044dc21SEugene Crosser } else 1174c044dc21SEugene Crosser return 1; 1175c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1176c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1177c044dc21SEugene Crosser return 0; 1178c044dc21SEugene Crosser default: 1179c044dc21SEugene Crosser return 1; 1180c044dc21SEugene Crosser } 1181c044dc21SEugene Crosser } 1182c044dc21SEugene Crosser 1183c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 11842d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1185d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1186c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1187c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 11884a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 11894a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 11904a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1191bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1192bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1193bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1194942d6984SJulian Wiedmann .do_ioctl = NULL, 1195c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 11964a71df50SFrank Blaschka }; 1197c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 11984a71df50SFrank Blaschka 11994a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 12004a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 12014a71df50SFrank Blaschka { 1202750b1625SJulian Wiedmann struct qeth_channel *channel = iob->channel; 12034a71df50SFrank Blaschka int rc = 0; 12044a71df50SFrank Blaschka 1205847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 12064a71df50SFrank Blaschka 12074a71df50SFrank Blaschka wait_event(card->wait_q, 1208750b1625SJulian Wiedmann atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); 12094a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1210847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 1211ed47155bSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); 1212f15cdaf2SJulian Wiedmann rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, 1213db71bbbdSJulian Wiedmann (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); 1214ed47155bSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); 12154a71df50SFrank Blaschka if (rc) { 121614cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 12174a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1218847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 1219750b1625SJulian Wiedmann qeth_release_buffer(channel, iob); 1220750b1625SJulian Wiedmann atomic_set(&channel->irq_pending, 0); 12214a71df50SFrank Blaschka wake_up(&card->wait_q); 12224a71df50SFrank Blaschka } 12234a71df50SFrank Blaschka return rc; 12244a71df50SFrank Blaschka } 12254a71df50SFrank Blaschka 12264a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 12274a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 12284a71df50SFrank Blaschka { 12294a71df50SFrank Blaschka u16 s1, s2; 12304a71df50SFrank Blaschka 1231847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 12324a71df50SFrank Blaschka 123373657a3eSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob); 12344a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 12354a71df50SFrank Blaschka s2 = (u16)data_len; 12364a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 12374a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 12384a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 12394a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 12404a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 12414a71df50SFrank Blaschka } 12424a71df50SFrank Blaschka 12434a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 12444a71df50SFrank Blaschka { 12454a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 12464a71df50SFrank Blaschka struct qeth_card *card; 12474a71df50SFrank Blaschka 12484a71df50SFrank Blaschka if (!dev) 12494a71df50SFrank Blaschka return -ENODEV; 1250509e2562SHeiko Carstens card = dev->ml_priv; 12514a71df50SFrank Blaschka if (!card) 12524a71df50SFrank Blaschka return -ENODEV; 1253847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1254c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 12554a71df50SFrank Blaschka return -ENODEV; 12564a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1257ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1258ff5caa7aSJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob, data_len); 12594a71df50SFrank Blaschka } 12604a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 12614a71df50SFrank Blaschka 12624a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 12634a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 12644a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 12654a71df50SFrank Blaschka { 12664a71df50SFrank Blaschka struct qeth_card *card; 1267d7d18da1SJulian Wiedmann char bus_id[16]; 1268d7d18da1SJulian Wiedmann u16 devno; 12694a71df50SFrank Blaschka 1270d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1271d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1272d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1273d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 12744a71df50SFrank Blaschka return -ENODEV; 1275d7d18da1SJulian Wiedmann *dev = card->dev; 1276d7d18da1SJulian Wiedmann 1277847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 12784a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 12794a71df50SFrank Blaschka return -EINVAL; 12804a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 12814a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 12824a71df50SFrank Blaschka return 0; 12834a71df50SFrank Blaschka } 12844a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 12854a71df50SFrank Blaschka 12864a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 12874a71df50SFrank Blaschka { 12884a71df50SFrank Blaschka struct qeth_card *card; 12894a71df50SFrank Blaschka 12904a71df50SFrank Blaschka if (!dev) 12914a71df50SFrank Blaschka return; 1292509e2562SHeiko Carstens card = dev->ml_priv; 12934a71df50SFrank Blaschka if (!card) 12944a71df50SFrank Blaschka return; 1295847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 12964a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 12974a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 12984a71df50SFrank Blaschka return; 12994a71df50SFrank Blaschka } 13004a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 13014a71df50SFrank Blaschka 1302b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1303b4d72c08SEugene Crosser 13049f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 13059f48b9dbSEugene Crosser 13069f48b9dbSEugene Crosser /** 13079f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 13089f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 13099f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 13109f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 13119f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 13129f48b9dbSEugene Crosser * object, 0 - addition of an object. 13139f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 13149f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 13159f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 13169f48b9dbSEugene Crosser * 13179f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 13189f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 13199f48b9dbSEugene Crosser * for all currently registered addresses. 13209f48b9dbSEugene Crosser */ 13219f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 13229f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 13239f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 13249f48b9dbSEugene Crosser { 13259f48b9dbSEugene Crosser char str[7][32]; 13269f48b9dbSEugene Crosser char *env[8]; 13279f48b9dbSEugene Crosser int i = 0; 13289f48b9dbSEugene Crosser 13299f48b9dbSEugene Crosser switch (evtype) { 13309f48b9dbSEugene Crosser case anev_reg_unreg: 13319f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 13329f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 13339f48b9dbSEugene Crosser ? "deregister" : "register"); 13349f48b9dbSEugene Crosser env[i] = str[i]; i++; 13359f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 13369f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 13379f48b9dbSEugene Crosser addr_lnid->lnid); 13389f48b9dbSEugene Crosser env[i] = str[i]; i++; 13399f48b9dbSEugene Crosser } 13409f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 13419846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 13429846e70bSEugene Crosser addr_lnid->mac); 13439f48b9dbSEugene Crosser env[i] = str[i]; i++; 13449f48b9dbSEugene Crosser } 13459f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 13469f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 13479f48b9dbSEugene Crosser env[i] = str[i]; i++; 13489f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 13499f48b9dbSEugene Crosser env[i] = str[i]; i++; 13509f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 13519f48b9dbSEugene Crosser token->chpid); 13529f48b9dbSEugene Crosser env[i] = str[i]; i++; 13539f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 13549f48b9dbSEugene Crosser env[i] = str[i]; i++; 13559f48b9dbSEugene Crosser break; 13569f48b9dbSEugene Crosser case anev_abort: 13579f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 13589f48b9dbSEugene Crosser env[i] = str[i]; i++; 13599f48b9dbSEugene Crosser break; 13609f48b9dbSEugene Crosser case anev_reset: 13619f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 13629f48b9dbSEugene Crosser env[i] = str[i]; i++; 13639f48b9dbSEugene Crosser break; 13649f48b9dbSEugene Crosser } 13659f48b9dbSEugene Crosser env[i] = NULL; 13669f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 13679f48b9dbSEugene Crosser } 13689f48b9dbSEugene Crosser 1369b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1370b4d72c08SEugene Crosser struct work_struct worker; 1371b4d72c08SEugene Crosser struct qeth_card *card; 1372b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1373b4d72c08SEugene Crosser }; 1374b4d72c08SEugene Crosser 1375b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1376b4d72c08SEugene Crosser { 1377b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1378b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1379b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1380b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1381b4d72c08SEugene Crosser char env_locrem[32]; 1382b4d72c08SEugene Crosser char env_role[32]; 1383b4d72c08SEugene Crosser char env_state[32]; 1384b4d72c08SEugene Crosser char *env[] = { 1385b4d72c08SEugene Crosser env_locrem, 1386b4d72c08SEugene Crosser env_role, 1387b4d72c08SEugene Crosser env_state, 1388b4d72c08SEugene Crosser NULL 1389b4d72c08SEugene Crosser }; 1390b4d72c08SEugene Crosser 1391b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1392b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1393b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1394b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1395b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1396b4d72c08SEugene Crosser 1397b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1398b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1399b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1400b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1401b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1402b4d72c08SEugene Crosser "<INVALID>"); 1403b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1404b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1405b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1406b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1407b4d72c08SEugene Crosser "<INVALID>"); 1408b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1409b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1410b4d72c08SEugene Crosser kfree(data); 1411b4d72c08SEugene Crosser } 1412b4d72c08SEugene Crosser 1413c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1414c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1415b4d72c08SEugene Crosser { 1416b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1417b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1418b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1419b4d72c08SEugene Crosser int extrasize; 1420b4d72c08SEugene Crosser 1421b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1422b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 14238a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1424b4d72c08SEugene Crosser return; 1425b4d72c08SEugene Crosser } 1426b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1427b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1428b4d72c08SEugene Crosser GFP_ATOMIC); 1429b4d72c08SEugene Crosser if (!data) { 1430b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1431b4d72c08SEugene Crosser return; 1432b4d72c08SEugene Crosser } 1433b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1434b4d72c08SEugene Crosser data->card = card; 1435b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1436b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1437b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1438b4d72c08SEugene Crosser } 1439b4d72c08SEugene Crosser 14409f48b9dbSEugene Crosser struct qeth_bridge_host_data { 14419f48b9dbSEugene Crosser struct work_struct worker; 14429f48b9dbSEugene Crosser struct qeth_card *card; 14439f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 14449f48b9dbSEugene Crosser }; 14459f48b9dbSEugene Crosser 14469f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 14479f48b9dbSEugene Crosser { 14489f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 14499f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 14509f48b9dbSEugene Crosser int i; 14519f48b9dbSEugene Crosser 14529f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 14539f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 14549c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 14559f48b9dbSEugene Crosser data->card->dev->name, 14569f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 14579f48b9dbSEugene Crosser ? "Overflow" 14589f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 14599f48b9dbSEugene Crosser ? "Bridge port state change" 14609f48b9dbSEugene Crosser : "Unknown reason"); 14619f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 14629f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 14639f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 14649f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 14659f48b9dbSEugene Crosser 0, NULL, NULL); 14669f48b9dbSEugene Crosser } else 14679f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 14689f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 14699f48b9dbSEugene Crosser &data->hostevs.entry[i]; 14709f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 14719f48b9dbSEugene Crosser anev_reg_unreg, 14729f48b9dbSEugene Crosser entry->change_code, 14739f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 14749f48b9dbSEugene Crosser } 14759f48b9dbSEugene Crosser kfree(data); 14769f48b9dbSEugene Crosser } 14779f48b9dbSEugene Crosser 1478c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1479c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 14809f48b9dbSEugene Crosser { 14819f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 14829f48b9dbSEugene Crosser &cmd->data.addrchange; 14839f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 14849f48b9dbSEugene Crosser int extrasize; 14859f48b9dbSEugene Crosser 14869f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 14879f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 14889f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 14899f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 14909f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 14919f48b9dbSEugene Crosser } else { 14929f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 14939f48b9dbSEugene Crosser cmd->hdr.return_code); 14949f48b9dbSEugene Crosser return; 14959f48b9dbSEugene Crosser } 14969f48b9dbSEugene Crosser } 14979f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 14989f48b9dbSEugene Crosser hostevs->num_entries; 14999f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 15009f48b9dbSEugene Crosser GFP_ATOMIC); 15019f48b9dbSEugene Crosser if (!data) { 15029f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 15039f48b9dbSEugene Crosser return; 15049f48b9dbSEugene Crosser } 15059f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 15069f48b9dbSEugene Crosser data->card = card; 15079f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 15089f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 15099f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 15109f48b9dbSEugene Crosser } 15119f48b9dbSEugene Crosser 1512b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1513b4d72c08SEugene Crosser 1514b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1515b4d72c08SEugene Crosser u16 ipa_rc; 1516b4d72c08SEugene Crosser u16 cmd_rc; 1517b4d72c08SEugene Crosser union { 1518b4d72c08SEugene Crosser u32 supported; 1519b4d72c08SEugene Crosser struct { 1520b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1521b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1522b4d72c08SEugene Crosser } qports; 1523b4d72c08SEugene Crosser } data; 1524b4d72c08SEugene Crosser }; 1525b4d72c08SEugene Crosser 1526b4d72c08SEugene Crosser /** 1527b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1528b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1529b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1530b4d72c08SEugene Crosser * @setcmd: IPA command code 1531b4d72c08SEugene Crosser * 1532b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1533b4d72c08SEugene Crosser */ 1534b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1535b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1536b4d72c08SEugene Crosser { 1537b4d72c08SEugene Crosser int rc; 15389c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1539b4d72c08SEugene Crosser 15409c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 15419c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1542b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 15432063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1544b4d72c08SEugene Crosser rc = 0; 1545b4d72c08SEugene Crosser break; 15462063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 15472063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1548ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1549b4d72c08SEugene Crosser break; 15502063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 15512063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1552b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1553b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15549c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1555b4d72c08SEugene Crosser break; 15562063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 15572063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 15581b05cf62SEugene Crosser rc = -EPERM; 15591b05cf62SEugene Crosser dev_err(&card->gdev->dev, 15601b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 15611b05cf62SEugene Crosser break; 15622063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 15632063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1564b4d72c08SEugene Crosser switch (setcmd) { 1565b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1566b4d72c08SEugene Crosser rc = -EEXIST; 1567b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15689c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1569b4d72c08SEugene Crosser break; 1570b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1571b4d72c08SEugene Crosser rc = -EBUSY; 1572b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15739c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1574b4d72c08SEugene Crosser break; 1575b4d72c08SEugene Crosser default: 1576b4d72c08SEugene Crosser rc = -EIO; 1577b4d72c08SEugene Crosser } 1578b4d72c08SEugene Crosser break; 15792063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 15802063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1581b4d72c08SEugene Crosser rc = -EBUSY; 1582b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15839c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1584b4d72c08SEugene Crosser break; 15852063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 15862063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1587b4d72c08SEugene Crosser rc = -EEXIST; 1588b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15899c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1590b4d72c08SEugene Crosser break; 15912063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 15922063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1593b4d72c08SEugene Crosser rc = -EBUSY; 1594b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15959c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1596b4d72c08SEugene Crosser break; 15972063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 15982063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1599b4d72c08SEugene Crosser rc = -EACCES; 1600b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16019c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1602b4d72c08SEugene Crosser break; 1603b4d72c08SEugene Crosser default: 1604b4d72c08SEugene Crosser rc = -EIO; 1605b4d72c08SEugene Crosser } 16069c23f4daSEugene Crosser else 16079c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1608b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1609ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1610b4d72c08SEugene Crosser break; 1611b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1612ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1613b4d72c08SEugene Crosser break; 1614b4d72c08SEugene Crosser default: 1615b4d72c08SEugene Crosser rc = -EIO; 1616b4d72c08SEugene Crosser } 16179c23f4daSEugene Crosser 1618b4d72c08SEugene Crosser if (rc) { 1619b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1620b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1621b4d72c08SEugene Crosser } 1622b4d72c08SEugene Crosser return rc; 1623b4d72c08SEugene Crosser } 1624b4d72c08SEugene Crosser 1625d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1626d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1627d65626adSJulian Wiedmann unsigned int cmd_length) 16289c23f4daSEugene Crosser { 1629d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 16309c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 16319c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1632d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1633d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1634d65626adSJulian Wiedmann 1635d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1636d65626adSJulian Wiedmann if (!iob) 1637d65626adSJulian Wiedmann return iob; 1638ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1639d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1640d65626adSJulian Wiedmann cmd_length; 1641d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1642d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1643d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1644d65626adSJulian Wiedmann return iob; 16459c23f4daSEugene Crosser } 16469c23f4daSEugene Crosser 1647b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1648b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1649b4d72c08SEugene Crosser { 1650b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1651b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1652b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1653b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1654b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1655b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1656b4d72c08SEugene Crosser cbctl->data.supported = 1657b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1658b4d72c08SEugene Crosser } else { 1659b4d72c08SEugene Crosser cbctl->data.supported = 0; 1660b4d72c08SEugene Crosser } 1661b4d72c08SEugene Crosser return 0; 1662b4d72c08SEugene Crosser } 1663b4d72c08SEugene Crosser 1664b4d72c08SEugene Crosser /** 1665b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1666b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1667b4d72c08SEugene Crosser * 1668b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1669b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1670b4d72c08SEugene Crosser */ 1671c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1672b4d72c08SEugene Crosser { 1673b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1674b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1675b4d72c08SEugene Crosser 1676b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1677d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1678d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 16791aec42bcSThomas Richter if (!iob) 16801aec42bcSThomas Richter return; 1681b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1682b4d72c08SEugene Crosser (void *)&cbctl) || 1683b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1684b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1685b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1686b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1687b4d72c08SEugene Crosser return; 1688b4d72c08SEugene Crosser } 1689b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1690b4d72c08SEugene Crosser } 1691b4d72c08SEugene Crosser 1692b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1693b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1694b4d72c08SEugene Crosser { 1695b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1696b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1697b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1698b4d72c08SEugene Crosser 1699b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1700b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1701b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1702b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1703b4d72c08SEugene Crosser return 0; 1704b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1705b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1706b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1707b4d72c08SEugene Crosser return 0; 1708b4d72c08SEugene Crosser } 1709b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1710b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1711b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1712b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1713b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1714b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1715b4d72c08SEugene Crosser } 1716b4d72c08SEugene Crosser return 0; 1717b4d72c08SEugene Crosser } 1718b4d72c08SEugene Crosser 1719b4d72c08SEugene Crosser /** 1720b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1721b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1722b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1723b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1724b4d72c08SEugene Crosser * 1725b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1726b4d72c08SEugene Crosser * 1727b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1728b4d72c08SEugene Crosser */ 1729b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1730b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1731b4d72c08SEugene Crosser { 1732b4d72c08SEugene Crosser int rc = 0; 1733b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1734b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1735b4d72c08SEugene Crosser .data = { 1736b4d72c08SEugene Crosser .qports = { 1737b4d72c08SEugene Crosser .role = role, 1738b4d72c08SEugene Crosser .state = state, 1739b4d72c08SEugene Crosser }, 1740b4d72c08SEugene Crosser }, 1741b4d72c08SEugene Crosser }; 1742b4d72c08SEugene Crosser 1743b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1744b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1745b4d72c08SEugene Crosser return -EOPNOTSUPP; 1746d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 17471aec42bcSThomas Richter if (!iob) 17481aec42bcSThomas Richter return -ENOMEM; 1749b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1750b4d72c08SEugene Crosser (void *)&cbctl); 1751c88394e7SEugene Crosser if (rc < 0) 1752b4d72c08SEugene Crosser return rc; 1753c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1754b4d72c08SEugene Crosser } 1755b4d72c08SEugene Crosser 1756b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1757b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1758b4d72c08SEugene Crosser { 1759b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1760b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1761b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1762b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1763b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1764b4d72c08SEugene Crosser return 0; 1765b4d72c08SEugene Crosser } 1766b4d72c08SEugene Crosser 1767b4d72c08SEugene Crosser /** 1768b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1769b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1770b4d72c08SEugene Crosser * @role: Role to assign. 1771b4d72c08SEugene Crosser * 1772b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1773b4d72c08SEugene Crosser */ 1774b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1775b4d72c08SEugene Crosser { 1776b4d72c08SEugene Crosser int rc = 0; 1777b4d72c08SEugene Crosser int cmdlength; 1778b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1779b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1780b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1781b4d72c08SEugene Crosser 1782b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1783b4d72c08SEugene Crosser switch (role) { 1784b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1785b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1786d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1787b4d72c08SEugene Crosser break; 1788b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1789b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1790d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1791b4d72c08SEugene Crosser break; 1792b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1793b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1794d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1795b4d72c08SEugene Crosser break; 1796b4d72c08SEugene Crosser default: 1797b4d72c08SEugene Crosser return -EINVAL; 1798b4d72c08SEugene Crosser } 1799b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1800b4d72c08SEugene Crosser return -EOPNOTSUPP; 1801d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 18021aec42bcSThomas Richter if (!iob) 18031aec42bcSThomas Richter return -ENOMEM; 1804b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1805b4d72c08SEugene Crosser (void *)&cbctl); 1806c88394e7SEugene Crosser if (rc < 0) 1807b4d72c08SEugene Crosser return rc; 1808c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1809b4d72c08SEugene Crosser } 1810b4d72c08SEugene Crosser 18119f48b9dbSEugene Crosser /** 18129f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 18139f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 18149f48b9dbSEugene Crosser * 18159f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 18169f48b9dbSEugene Crosser */ 18179f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 18189f48b9dbSEugene Crosser { 18199f48b9dbSEugene Crosser int rc; 18209f48b9dbSEugene Crosser 18219f48b9dbSEugene Crosser if (pnso_rc == 0) 18229f48b9dbSEugene Crosser switch (response) { 18239f48b9dbSEugene Crosser case 0x0001: 18249f48b9dbSEugene Crosser rc = 0; 18259f48b9dbSEugene Crosser break; 18269f48b9dbSEugene Crosser case 0x0004: 18279f48b9dbSEugene Crosser case 0x0100: 18289f48b9dbSEugene Crosser case 0x0106: 1829ffb95251SEugene Crosser rc = -EOPNOTSUPP; 18309f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 18319f48b9dbSEugene Crosser "Setting address notification failed\n"); 18329f48b9dbSEugene Crosser break; 18339f48b9dbSEugene Crosser case 0x0107: 18349f48b9dbSEugene Crosser rc = -EAGAIN; 18359f48b9dbSEugene Crosser break; 18369f48b9dbSEugene Crosser default: 18379f48b9dbSEugene Crosser rc = -EIO; 18389f48b9dbSEugene Crosser } 18399f48b9dbSEugene Crosser else 18409f48b9dbSEugene Crosser rc = -EIO; 18419f48b9dbSEugene Crosser 18429f48b9dbSEugene Crosser if (rc) { 18439f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 18449f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 18459f48b9dbSEugene Crosser } 18469f48b9dbSEugene Crosser return rc; 18479f48b9dbSEugene Crosser } 18489f48b9dbSEugene Crosser 18499f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 18509f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 18519f48b9dbSEugene Crosser { 18529f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 18539f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 18549f48b9dbSEugene Crosser u8 code; 18559f48b9dbSEugene Crosser 18569f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 18579f48b9dbSEugene Crosser WARN_ON_ONCE(1); 18589f48b9dbSEugene Crosser return; 18599f48b9dbSEugene Crosser } 18609f48b9dbSEugene Crosser 18619f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 18629f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 18639f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 18649f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 18659f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 18669f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 18679f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 18689f48b9dbSEugene Crosser } 18699f48b9dbSEugene Crosser 18709f48b9dbSEugene Crosser /** 18719f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 18729f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 18739f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 18749f48b9dbSEugene Crosser * 18759f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 18769f48b9dbSEugene Crosser * 18779f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 18789f48b9dbSEugene Crosser * currently registered hosts. 18799f48b9dbSEugene Crosser */ 18809f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 18819f48b9dbSEugene Crosser { 18829f48b9dbSEugene Crosser int rc; 18839f48b9dbSEugene Crosser u16 response; 18849f48b9dbSEugene Crosser struct ccw_device *ddev; 18859f48b9dbSEugene Crosser struct subchannel_id schid; 18869f48b9dbSEugene Crosser 18879f48b9dbSEugene Crosser if (!card) 18889f48b9dbSEugene Crosser return -EINVAL; 18899f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 18909f48b9dbSEugene Crosser return -EOPNOTSUPP; 18919f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 18929f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 18939f48b9dbSEugene Crosser 18949f48b9dbSEugene Crosser if (enable) { 18959f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 18969f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 18979f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 18989f48b9dbSEugene Crosser } else 18999f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 19009f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 19019f48b9dbSEugene Crosser } 19029f48b9dbSEugene Crosser 1903caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1904caa1f0b1SHans Wippel { 1905caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1906caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1907caa1f0b1SHans Wippel } 1908caa1f0b1SHans Wippel 1909a45b3fafSHans Wippel /* VNIC Characteristics support */ 1910a45b3fafSHans Wippel 1911a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1912a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 1913a45b3fafSHans Wippel { 1914a45b3fafSHans Wippel int rc; 1915a45b3fafSHans Wippel 1916a45b3fafSHans Wippel switch (ipa_rc) { 1917a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1918a45b3fafSHans Wippel return ipa_rc; 1919a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1920a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1921a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1922a45b3fafSHans Wippel break; 1923a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1924a45b3fafSHans Wippel rc = -EALREADY; 1925a45b3fafSHans Wippel break; 1926a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1927a45b3fafSHans Wippel rc = -EBUSY; 1928a45b3fafSHans Wippel break; 1929a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1930a45b3fafSHans Wippel rc = -ENOSPC; 1931a45b3fafSHans Wippel break; 1932a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1933a45b3fafSHans Wippel rc = -EACCES; 1934a45b3fafSHans Wippel break; 1935a45b3fafSHans Wippel default: 1936a45b3fafSHans Wippel rc = -EIO; 1937a45b3fafSHans Wippel } 1938a45b3fafSHans Wippel 1939a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1940a45b3fafSHans Wippel return rc; 1941a45b3fafSHans Wippel } 1942a45b3fafSHans Wippel 1943a45b3fafSHans Wippel /* generic VNICC request call back control */ 1944a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1945a45b3fafSHans Wippel u32 sub_cmd; 1946caa1f0b1SHans Wippel struct { 1947caa1f0b1SHans Wippel u32 vnic_char; 1948349d13d5SHans Wippel u32 timeout; 1949caa1f0b1SHans Wippel } param; 1950caa1f0b1SHans Wippel struct { 1951349d13d5SHans Wippel union{ 1952caa1f0b1SHans Wippel u32 *sup_cmds; 1953349d13d5SHans Wippel u32 *timeout; 1954349d13d5SHans Wippel }; 1955caa1f0b1SHans Wippel } result; 1956a45b3fafSHans Wippel }; 1957a45b3fafSHans Wippel 1958a45b3fafSHans Wippel /* generic VNICC request call back */ 1959a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1960a45b3fafSHans Wippel struct qeth_reply *reply, 1961a45b3fafSHans Wippel unsigned long data) 1962a45b3fafSHans Wippel { 1963caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1964caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1965a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1966a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 1967a45b3fafSHans Wippel 1968a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1969a45b3fafSHans Wippel if (cmd->hdr.return_code) 1970a45b3fafSHans Wippel return 0; 1971a45b3fafSHans Wippel /* return results to caller */ 1972a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 1973a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 1974a45b3fafSHans Wippel 1975caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 1976caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 1977caa1f0b1SHans Wippel 1978349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 1979349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 1980349d13d5SHans Wippel 1981a45b3fafSHans Wippel return 0; 1982a45b3fafSHans Wippel } 1983a45b3fafSHans Wippel 1984a45b3fafSHans Wippel /* generic VNICC request */ 1985a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 1986a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 1987a45b3fafSHans Wippel { 1988a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 1989a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1990a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 1991a45b3fafSHans Wippel int rc; 1992a45b3fafSHans Wippel 1993a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 1994a45b3fafSHans Wippel 1995a45b3fafSHans Wippel /* get new buffer for request */ 1996a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 1997a45b3fafSHans Wippel if (!iob) 1998a45b3fafSHans Wippel return -ENOMEM; 1999a45b3fafSHans Wippel 2000a45b3fafSHans Wippel /* create header for request */ 2001ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2002a45b3fafSHans Wippel req = &cmd->data.vnicc; 2003a45b3fafSHans Wippel 2004a45b3fafSHans Wippel /* create sub command header for request */ 2005a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 2006a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 2007a45b3fafSHans Wippel 2008a45b3fafSHans Wippel /* create sub command specific request fields */ 2009a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 2010a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 2011a45b3fafSHans Wippel break; 2012caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 2013caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 2014caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 2015caa1f0b1SHans Wippel break; 2016caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 2017caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 2018caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 2019caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 2020caa1f0b1SHans Wippel break; 2021349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 2022349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 2023349d13d5SHans Wippel /* fallthrough */ 2024349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 2025349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 2026349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 2027349d13d5SHans Wippel break; 2028a45b3fafSHans Wippel default: 2029a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 2030a45b3fafSHans Wippel return -EOPNOTSUPP; 2031a45b3fafSHans Wippel } 2032a45b3fafSHans Wippel 2033a45b3fafSHans Wippel /* send request */ 2034a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 2035a45b3fafSHans Wippel (void *) cbctl); 2036a45b3fafSHans Wippel 2037a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 2038a45b3fafSHans Wippel } 2039a45b3fafSHans Wippel 2040a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 2041a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 2042a45b3fafSHans Wippel { 2043a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2044a45b3fafSHans Wippel 2045a45b3fafSHans Wippel /* prepare callback control */ 2046a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2047a45b3fafSHans Wippel 2048a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2049a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2050a45b3fafSHans Wippel } 2051a45b3fafSHans Wippel 2052caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2053caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2054caa1f0b1SHans Wippel u32 *sup_cmds) 2055caa1f0b1SHans Wippel { 2056caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2057caa1f0b1SHans Wippel 2058caa1f0b1SHans Wippel /* prepare callback control */ 2059caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2060caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2061caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2062caa1f0b1SHans Wippel 2063caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2064caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2065caa1f0b1SHans Wippel } 2066caa1f0b1SHans Wippel 2067caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2068caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2069caa1f0b1SHans Wippel u32 cmd) 2070caa1f0b1SHans Wippel { 2071caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2072caa1f0b1SHans Wippel 2073caa1f0b1SHans Wippel /* prepare callback control */ 2074caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2075caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2076caa1f0b1SHans Wippel 2077caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2078caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2079caa1f0b1SHans Wippel } 2080caa1f0b1SHans Wippel 2081349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2082349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2083349d13d5SHans Wippel u32 cmd, u32 *timeout) 2084349d13d5SHans Wippel { 2085349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2086349d13d5SHans Wippel 2087349d13d5SHans Wippel /* prepare callback control */ 2088349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2089349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2090349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2091349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2092349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2093349d13d5SHans Wippel cbctl.result.timeout = timeout; 2094349d13d5SHans Wippel 2095349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2096349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2097349d13d5SHans Wippel } 2098349d13d5SHans Wippel 2099caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2100caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2101caa1f0b1SHans Wippel { 2102caa1f0b1SHans Wippel int rc = 0; 2103caa1f0b1SHans Wippel u32 cmd; 2104caa1f0b1SHans Wippel 2105caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2106caa1f0b1SHans Wippel 2107caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2108caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2109caa1f0b1SHans Wippel return -EBUSY; 2110caa1f0b1SHans Wippel 2111caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2112caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2113caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2114caa1f0b1SHans Wippel return -EOPNOTSUPP; 2115caa1f0b1SHans Wippel 2116caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2117caa1f0b1SHans Wippel if (state) { 2118caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2119caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2120caa1f0b1SHans Wippel } else { 2121caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2122caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2123caa1f0b1SHans Wippel } 2124caa1f0b1SHans Wippel 2125caa1f0b1SHans Wippel /* do we need to do anything? */ 2126caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2127caa1f0b1SHans Wippel return rc; 2128caa1f0b1SHans Wippel 2129caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2130caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2131caa1f0b1SHans Wippel if (state) 2132caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2133caa1f0b1SHans Wippel else 2134caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2135caa1f0b1SHans Wippel return rc; 2136caa1f0b1SHans Wippel } 2137caa1f0b1SHans Wippel 2138caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2139caa1f0b1SHans Wippel if (rc) 2140caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2141caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2142349d13d5SHans Wippel else { 2143349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2144349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2145caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2146349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2147349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2148349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2149349d13d5SHans Wippel } 2150caa1f0b1SHans Wippel 2151caa1f0b1SHans Wippel return rc; 2152caa1f0b1SHans Wippel } 2153caa1f0b1SHans Wippel 2154caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2155caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2156caa1f0b1SHans Wippel { 2157caa1f0b1SHans Wippel int rc = 0; 2158caa1f0b1SHans Wippel 2159caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2160caa1f0b1SHans Wippel 2161caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2162caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2163caa1f0b1SHans Wippel return -EBUSY; 2164caa1f0b1SHans Wippel 2165caa1f0b1SHans Wippel /* check if characteristic is supported */ 2166caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2167caa1f0b1SHans Wippel return -EOPNOTSUPP; 2168caa1f0b1SHans Wippel 2169caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2170caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2171caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2172caa1f0b1SHans Wippel 2173caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2174caa1f0b1SHans Wippel return rc; 2175caa1f0b1SHans Wippel } 2176caa1f0b1SHans Wippel 2177349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2178349d13d5SHans Wippel * supports timeout 2179349d13d5SHans Wippel */ 2180349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2181349d13d5SHans Wippel { 2182349d13d5SHans Wippel int rc = 0; 2183349d13d5SHans Wippel 2184349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2185349d13d5SHans Wippel 2186349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2187349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2188349d13d5SHans Wippel return -EBUSY; 2189349d13d5SHans Wippel 2190349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2191349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2192349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2193349d13d5SHans Wippel return -EOPNOTSUPP; 2194349d13d5SHans Wippel 2195349d13d5SHans Wippel /* do we need to do anything? */ 2196349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2197349d13d5SHans Wippel return rc; 2198349d13d5SHans Wippel 2199349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2200349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2201349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2202349d13d5SHans Wippel return rc; 2203349d13d5SHans Wippel } 2204349d13d5SHans Wippel 2205349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2206349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2207349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2208349d13d5SHans Wippel if (!rc) 2209349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2210349d13d5SHans Wippel 2211349d13d5SHans Wippel return rc; 2212349d13d5SHans Wippel } 2213349d13d5SHans Wippel 2214349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2215349d13d5SHans Wippel * learning supports timeout 2216349d13d5SHans Wippel */ 2217349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2218349d13d5SHans Wippel { 2219349d13d5SHans Wippel int rc = 0; 2220349d13d5SHans Wippel 2221349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2222349d13d5SHans Wippel 2223349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2224349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2225349d13d5SHans Wippel return -EBUSY; 2226349d13d5SHans Wippel 2227349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2228349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2229349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2230349d13d5SHans Wippel return -EOPNOTSUPP; 2231349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2232349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2233349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2234349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2235349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2236349d13d5SHans Wippel timeout); 2237349d13d5SHans Wippel 2238349d13d5SHans Wippel return rc; 2239349d13d5SHans Wippel } 2240349d13d5SHans Wippel 2241caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2242caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2243caa1f0b1SHans Wippel { 2244caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2245caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2246caa1f0b1SHans Wippel return false; 2247caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2248caa1f0b1SHans Wippel * or the card is offline. 2249caa1f0b1SHans Wippel */ 2250caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2251caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2252caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2253caa1f0b1SHans Wippel return false; 2254caa1f0b1SHans Wippel } 2255caa1f0b1SHans Wippel return true; 2256caa1f0b1SHans Wippel } 2257caa1f0b1SHans Wippel 2258349d13d5SHans Wippel /* recover user timeout setting */ 2259349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2260349d13d5SHans Wippel u32 *timeout) 2261349d13d5SHans Wippel { 2262349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2263349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2264349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2265349d13d5SHans Wippel timeout)) 2266349d13d5SHans Wippel return false; 2267349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2268349d13d5SHans Wippel return true; 2269349d13d5SHans Wippel } 2270349d13d5SHans Wippel 2271caa1f0b1SHans Wippel /* recover user characteristic setting */ 2272caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2273caa1f0b1SHans Wippel bool enable) 2274caa1f0b1SHans Wippel { 2275caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2276caa1f0b1SHans Wippel 2277caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2278caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2279caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2280caa1f0b1SHans Wippel return false; 2281caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2282caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2283caa1f0b1SHans Wippel return true; 2284caa1f0b1SHans Wippel } 2285caa1f0b1SHans Wippel 2286a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2287a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2288a45b3fafSHans Wippel { 2289349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2290caa1f0b1SHans Wippel unsigned int chars_len, i; 2291caa1f0b1SHans Wippel unsigned long chars_tmp; 2292caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2293caa1f0b1SHans Wippel bool enable, error; 2294caa1f0b1SHans Wippel 2295a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2296caa1f0b1SHans Wippel /* reset rx_bcast */ 2297caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2298a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2299a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2300349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2301349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2302caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2303caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2304a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2305a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2306caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2307caa1f0b1SHans Wippel return; 2308a45b3fafSHans Wippel } 2309caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2310caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2311caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2312caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2313caa1f0b1SHans Wippel vnicc = BIT(i); 2314caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2315349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2316349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2317349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2318caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2319caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2320caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2321caa1f0b1SHans Wippel } 2322caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2323349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2324349d13d5SHans Wippel timeout); 2325caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2326caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2327caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2328caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2329caa1f0b1SHans Wippel vnicc = BIT(i); 2330caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2331caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2332caa1f0b1SHans Wippel } 2333caa1f0b1SHans Wippel if (error) 2334caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2335caa1f0b1SHans Wippel } 2336caa1f0b1SHans Wippel 2337caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2338caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2339caa1f0b1SHans Wippel { 2340caa1f0b1SHans Wippel /* characteristics values */ 2341caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2342caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2343349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2344caa1f0b1SHans Wippel /* supported commands */ 2345caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2346349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2347caa1f0b1SHans Wippel /* settings wanted by users */ 2348caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2349a45b3fafSHans Wippel } 2350a45b3fafSHans Wippel 23514a71df50SFrank Blaschka module_init(qeth_l2_init); 23524a71df50SFrank Blaschka module_exit(qeth_l2_exit); 23534a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 23544a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 23554a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2356