1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 20ccffad25SJiri Pirko #include <linux/list.h> 21fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 23ec61bd2fSJulian Wiedmann #include <asm/setup.h> 244a71df50SFrank Blaschka #include "qeth_core.h" 25b4d72c08SEugene Crosser #include "qeth_l2.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 28c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 29c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 30c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 31c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 32c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 33caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 34a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 35349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 36349d13d5SHans Wippel u32 *timeout); 374a71df50SFrank Blaschka 382aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 394a71df50SFrank Blaschka { 40efbbc1d5SEugene Crosser int rc; 414a71df50SFrank Blaschka 42efbbc1d5SEugene Crosser if (retcode) 431aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 44efbbc1d5SEugene Crosser switch (retcode) { 45efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 46efbbc1d5SEugene Crosser rc = 0; 47efbbc1d5SEugene Crosser break; 48efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 49ffb95251SEugene Crosser rc = -EOPNOTSUPP; 50efbbc1d5SEugene Crosser break; 51efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 52efbbc1d5SEugene Crosser rc = -ENOSPC; 53efbbc1d5SEugene Crosser break; 54efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 55efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 56efbbc1d5SEugene Crosser rc = -EEXIST; 57efbbc1d5SEugene Crosser break; 58efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 59efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 60efbbc1d5SEugene Crosser rc = -EPERM; 61efbbc1d5SEugene Crosser break; 62efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 63efbbc1d5SEugene Crosser rc = -ENOENT; 64efbbc1d5SEugene Crosser break; 651aec42bcSThomas Richter case -ENOMEM: 661aec42bcSThomas Richter rc = -ENOMEM; 671aec42bcSThomas Richter break; 68efbbc1d5SEugene Crosser default: 69efbbc1d5SEugene Crosser rc = -EIO; 70efbbc1d5SEugene Crosser break; 714a71df50SFrank Blaschka } 72efbbc1d5SEugene Crosser return rc; 734a71df50SFrank Blaschka } 744a71df50SFrank Blaschka 75ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 76ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 77ac988d78SJulian Wiedmann { 78ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 79ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 80ac988d78SJulian Wiedmann 81ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 82ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 83ac988d78SJulian Wiedmann if (!iob) 84ac988d78SJulian Wiedmann return -ENOMEM; 85ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 8699f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 8799f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 882aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 89ac988d78SJulian Wiedmann NULL, NULL)); 90ac988d78SJulian Wiedmann } 91ac988d78SJulian Wiedmann 92ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 93ac988d78SJulian Wiedmann { 94ac988d78SJulian Wiedmann int rc; 95ac988d78SJulian Wiedmann 96ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 97ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 98ac988d78SJulian Wiedmann if (rc == 0) { 99ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 100ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 101bcacfcbcSJulian Wiedmann mac, card->dev->name); 102ac988d78SJulian Wiedmann } else { 103ac988d78SJulian Wiedmann switch (rc) { 104ac988d78SJulian Wiedmann case -EEXIST: 105ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 106ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 107ac988d78SJulian Wiedmann break; 108ac988d78SJulian Wiedmann case -EPERM: 109ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 110ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 111ac988d78SJulian Wiedmann break; 112ac988d78SJulian Wiedmann } 113ac988d78SJulian Wiedmann } 114ac988d78SJulian Wiedmann return rc; 115ac988d78SJulian Wiedmann } 116ac988d78SJulian Wiedmann 1178174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1184a71df50SFrank Blaschka { 1199d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1208174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 121efbbc1d5SEugene Crosser int rc; 122efbbc1d5SEugene Crosser 1238174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1248174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 125efbbc1d5SEugene Crosser if (rc == -EEXIST) 126e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n", 127e19e5be8SJulian Wiedmann CARD_DEVID(card)); 128efbbc1d5SEugene Crosser else if (rc) 129e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n", 130e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 131efbbc1d5SEugene Crosser return rc; 1324a71df50SFrank Blaschka } 1334a71df50SFrank Blaschka 1348174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1354a71df50SFrank Blaschka { 1369d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ? 1378174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 138efbbc1d5SEugene Crosser int rc; 139efbbc1d5SEugene Crosser 1408174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1418174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 142efbbc1d5SEugene Crosser if (rc) 143e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n", 144e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 145efbbc1d5SEugene Crosser return rc; 1464a71df50SFrank Blaschka } 1474a71df50SFrank Blaschka 148c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1494a71df50SFrank Blaschka { 150fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 151fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 152fe5c8028SLakhvich Dmitriy int i; 1534a71df50SFrank Blaschka 1544a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 155fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 156fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 157fe5c8028SLakhvich Dmitriy kfree(mac); 1584a71df50SFrank Blaschka } 1594a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 1604a71df50SFrank Blaschka } 1614a71df50SFrank Blaschka 162cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 1634a71df50SFrank Blaschka { 164ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 16586c0cdb9SJulian Wiedmann return RTN_UNICAST; 166ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 167ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 168ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 169ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 17086c0cdb9SJulian Wiedmann return RTN_UNICAST; 1714a71df50SFrank Blaschka } 1724a71df50SFrank Blaschka 173fc69660bSJulian Wiedmann static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 174fc69660bSJulian Wiedmann struct sk_buff *skb, int ipv, int cast_type, 175fc69660bSJulian Wiedmann unsigned int data_len) 1764a71df50SFrank Blaschka { 1770aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 1784a71df50SFrank Blaschka 179ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 1804a71df50SFrank Blaschka 1810aef8392SJulian Wiedmann if (skb_is_gso(skb)) { 1820aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO; 1830aef8392SJulian Wiedmann } else { 1840aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 185fc69660bSJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) { 186fc69660bSJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv); 187fc69660bSJulian Wiedmann if (card->options.performance_stats) 188fc69660bSJulian Wiedmann card->perf_stats.tx_csum++; 189fc69660bSJulian Wiedmann } 1900aef8392SJulian Wiedmann } 191fc69660bSJulian Wiedmann 1924a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 1934a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 1944a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 1954a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 1964a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 1974a71df50SFrank Blaschka else 198ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 1994a71df50SFrank Blaschka 2004a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2014a71df50SFrank Blaschka * information to be present in 2024a71df50SFrank Blaschka * the QDIO header */ 2034a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2044a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2054a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2064a71df50SFrank Blaschka } 2074a71df50SFrank Blaschka } 2084a71df50SFrank Blaschka 2092aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2104a71df50SFrank Blaschka { 2112aa48671SJulian Wiedmann if (retcode) 2122aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2132aa48671SJulian Wiedmann 2142aa48671SJulian Wiedmann switch (retcode) { 2152aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2162aa48671SJulian Wiedmann return 0; 2172aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2182aa48671SJulian Wiedmann return -EINVAL; 2192aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2202aa48671SJulian Wiedmann return -EEXIST; 2212aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2222aa48671SJulian Wiedmann return -ENOENT; 2232aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2242aa48671SJulian Wiedmann return -EPERM; 2252aa48671SJulian Wiedmann case -ENOMEM: 2262aa48671SJulian Wiedmann return -ENOMEM; 2272aa48671SJulian Wiedmann default: 2282aa48671SJulian Wiedmann return -EIO; 2292aa48671SJulian Wiedmann } 2302aa48671SJulian Wiedmann } 2312aa48671SJulian Wiedmann 2322aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2332aa48671SJulian Wiedmann struct qeth_reply *reply, 2342aa48671SJulian Wiedmann unsigned long data) 2352aa48671SJulian Wiedmann { 2362aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2374a71df50SFrank Blaschka 238847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2394a71df50SFrank Blaschka if (cmd->hdr.return_code) { 240e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n", 2412aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 242e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code); 243847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 244847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2454a71df50SFrank Blaschka } 2464a71df50SFrank Blaschka return 0; 2474a71df50SFrank Blaschka } 2484a71df50SFrank Blaschka 2494a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2504a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2514a71df50SFrank Blaschka { 2524a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2534a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2544a71df50SFrank Blaschka 255847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2564a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2571aec42bcSThomas Richter if (!iob) 2581aec42bcSThomas Richter return -ENOMEM; 259ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2604a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 2612aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 2622aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 2634a71df50SFrank Blaschka } 2644a71df50SFrank Blaschka 26570919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 2664a71df50SFrank Blaschka { 2674a71df50SFrank Blaschka struct qeth_vlan_vid *id; 268d4ac0246SJulian Wiedmann 269847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 270d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 2714a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 27270919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 2734a71df50SFrank Blaschka } 274d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 2754a71df50SFrank Blaschka } 2764a71df50SFrank Blaschka 27780d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 27880d5c368SPatrick McHardy __be16 proto, u16 vid) 2794a71df50SFrank Blaschka { 280509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 2814a71df50SFrank Blaschka struct qeth_vlan_vid *id; 2821aec42bcSThomas Richter int rc; 2834a71df50SFrank Blaschka 284847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 28510651db7SUrsula Braun if (!vid) 2868e586137SJiri Pirko return 0; 2878e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 288847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 2898e586137SJiri Pirko return 0; 2908e98ac48SUrsula Braun } 291d4ac0246SJulian Wiedmann id = kmalloc(sizeof(*id), GFP_KERNEL); 2924a71df50SFrank Blaschka if (id) { 2934a71df50SFrank Blaschka id->vid = vid; 2941aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 2951aec42bcSThomas Richter if (rc) { 2961aec42bcSThomas Richter kfree(id); 2971aec42bcSThomas Richter return rc; 2981aec42bcSThomas Richter } 299d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3004a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 301d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3028e586137SJiri Pirko } else { 3038e586137SJiri Pirko return -ENOMEM; 3044a71df50SFrank Blaschka } 3058e586137SJiri Pirko return 0; 3064a71df50SFrank Blaschka } 3074a71df50SFrank Blaschka 30880d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 30980d5c368SPatrick McHardy __be16 proto, u16 vid) 3104a71df50SFrank Blaschka { 3114a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 312509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3131aec42bcSThomas Richter int rc = 0; 3144a71df50SFrank Blaschka 315847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3168e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 317847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3188e586137SJiri Pirko return 0; 3198e98ac48SUrsula Braun } 320d4ac0246SJulian Wiedmann mutex_lock(&card->vid_list_mutex); 3214a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3224a71df50SFrank Blaschka if (id->vid == vid) { 3234a71df50SFrank Blaschka list_del(&id->list); 3244a71df50SFrank Blaschka tmpid = id; 3254a71df50SFrank Blaschka break; 3264a71df50SFrank Blaschka } 3274a71df50SFrank Blaschka } 328d4ac0246SJulian Wiedmann mutex_unlock(&card->vid_list_mutex); 3294a71df50SFrank Blaschka if (tmpid) { 3301aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3314a71df50SFrank Blaschka kfree(tmpid); 3324a71df50SFrank Blaschka } 3331aec42bcSThomas Richter return rc; 3344a71df50SFrank Blaschka } 3354a71df50SFrank Blaschka 336b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3374a71df50SFrank Blaschka { 338d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 339d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3404a71df50SFrank Blaschka 3414a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3424a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3434a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3444a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 345e22355eaSJulian Wiedmann if (recovery_mode && !IS_OSN(card)) { 346e22355eaSJulian Wiedmann qeth_stop(card->dev); 3474a71df50SFrank Blaschka } else { 3484a71df50SFrank Blaschka rtnl_lock(); 3494a71df50SFrank Blaschka dev_close(card->dev); 3504a71df50SFrank Blaschka rtnl_unlock(); 3514a71df50SFrank Blaschka } 35270919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3534a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3544a71df50SFrank Blaschka } 3554a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 356c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 3574a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3584a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3594a71df50SFrank Blaschka } 3604a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3614a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3624a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 3634a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 3644a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 3654a71df50SFrank Blaschka } 3664a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 3674a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 3684a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 3694a71df50SFrank Blaschka } 3704a71df50SFrank Blaschka } 3714a71df50SFrank Blaschka 372a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 373a1c3ed4cSFrank Blaschka int budget, int *done) 3744a71df50SFrank Blaschka { 375a1c3ed4cSFrank Blaschka int work_done = 0; 3764a71df50SFrank Blaschka struct sk_buff *skb; 3774a71df50SFrank Blaschka struct qeth_hdr *hdr; 3784a71df50SFrank Blaschka unsigned int len; 3794a71df50SFrank Blaschka 380a1c3ed4cSFrank Blaschka *done = 0; 38118af5c17SStefan Raspl WARN_ON_ONCE(!budget); 382a1c3ed4cSFrank Blaschka while (budget) { 383a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 384b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 385a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 386a1c3ed4cSFrank Blaschka if (!skb) { 387a1c3ed4cSFrank Blaschka *done = 1; 388a1c3ed4cSFrank Blaschka break; 3894a71df50SFrank Blaschka } 3904a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 3914a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 3924a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 3936195b936SJulian Wiedmann qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); 39412883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 3954a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 3964a71df50SFrank Blaschka len = skb->len; 3979abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 3984a71df50SFrank Blaschka break; 3994a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4002d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4014a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4024a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4034a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4044a71df50SFrank Blaschka len = skb->len; 4054a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4064a71df50SFrank Blaschka break; 4072d488c2fSUrsula Braun } 4082d488c2fSUrsula Braun /* else unknown */ 4094a71df50SFrank Blaschka default: 4104a71df50SFrank Blaschka dev_kfree_skb_any(skb); 411847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 4120ac1487cSJulian Wiedmann QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr)); 4134a71df50SFrank Blaschka continue; 4144a71df50SFrank Blaschka } 415a1c3ed4cSFrank Blaschka work_done++; 416a1c3ed4cSFrank Blaschka budget--; 4174a71df50SFrank Blaschka card->stats.rx_packets++; 4184a71df50SFrank Blaschka card->stats.rx_bytes += len; 4194a71df50SFrank Blaschka } 420a1c3ed4cSFrank Blaschka return work_done; 421a1c3ed4cSFrank Blaschka } 422a1c3ed4cSFrank Blaschka 4234a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4244a71df50SFrank Blaschka { 4254a71df50SFrank Blaschka int rc = 0; 4264a71df50SFrank Blaschka 427ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 428d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 4294a71df50SFrank Blaschka 430ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 431ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 432ec61bd2fSJulian Wiedmann if (!rc) 433ec61bd2fSJulian Wiedmann goto out; 434e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n", 435e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 436ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 437ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 438ec61bd2fSJulian Wiedmann } 439ec61bd2fSJulian Wiedmann 440b144b99fSJulian Wiedmann if (!IS_OSN(card)) { 4414a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 442b144b99fSJulian Wiedmann if (!rc && is_valid_ether_addr(card->dev->dev_addr)) 44321b1702aSJulian Wiedmann goto out; 444e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n", 445e19e5be8SJulian Wiedmann CARD_DEVID(card), rc); 4461aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 44721b1702aSJulian Wiedmann /* fall back once more: */ 4484a71df50SFrank Blaschka } 44921b1702aSJulian Wiedmann 45021b1702aSJulian Wiedmann /* some devices don't support a custom MAC address: */ 45121b1702aSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM || 45221b1702aSJulian Wiedmann card->info.type == QETH_CARD_TYPE_OSX) 45321b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL; 45421b1702aSJulian Wiedmann eth_hw_addr_random(card->dev); 45521b1702aSJulian Wiedmann 456ec61bd2fSJulian Wiedmann out: 457ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 4584a71df50SFrank Blaschka return 0; 4594a71df50SFrank Blaschka } 4604a71df50SFrank Blaschka 461e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev) 462e22355eaSJulian Wiedmann { 463e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv; 464e22355eaSJulian Wiedmann 465e22355eaSJulian Wiedmann if (IS_OSN(card) || (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 466e22355eaSJulian Wiedmann return eth_validate_addr(dev); 467e22355eaSJulian Wiedmann 468e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr"); 469e22355eaSJulian Wiedmann return -EPERM; 470e22355eaSJulian Wiedmann } 471e22355eaSJulian Wiedmann 4724a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 4734a71df50SFrank Blaschka { 4744a71df50SFrank Blaschka struct sockaddr *addr = p; 475509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 476bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 4774a71df50SFrank Blaschka int rc = 0; 4784a71df50SFrank Blaschka 479847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 4804a71df50SFrank Blaschka 4815113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 4825113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 4835113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 484847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 4854a71df50SFrank Blaschka return -EOPNOTSUPP; 4864a71df50SFrank Blaschka } 48799f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 488bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 489bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 490bcacfcbcSJulian Wiedmann 4918e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 492847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 4938e98ac48SUrsula Braun return -ERESTARTSYS; 4948e98ac48SUrsula Braun } 495bcacfcbcSJulian Wiedmann 4964789a218SJulian Wiedmann /* avoid racing against concurrent state change: */ 4974789a218SJulian Wiedmann if (!mutex_trylock(&card->conf_mutex)) 4984789a218SJulian Wiedmann return -EAGAIN; 4994789a218SJulian Wiedmann 500bcacfcbcSJulian Wiedmann if (!qeth_card_hw_is_reachable(card)) { 501bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 5024789a218SJulian Wiedmann goto out_unlock; 503bcacfcbcSJulian Wiedmann } 504bcacfcbcSJulian Wiedmann 505bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 506bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 507bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 5084789a218SJulian Wiedmann goto out_unlock; 509bcacfcbcSJulian Wiedmann 510bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 5114a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 512bcacfcbcSJulian Wiedmann if (rc) 5134789a218SJulian Wiedmann goto out_unlock; 514bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 515bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 516bcacfcbcSJulian Wiedmann 517bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 518bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 519bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 5204789a218SJulian Wiedmann 5214789a218SJulian Wiedmann out_unlock: 5224789a218SJulian Wiedmann mutex_unlock(&card->conf_mutex); 5234789a218SJulian Wiedmann return rc; 5244a71df50SFrank Blaschka } 5254a71df50SFrank Blaschka 5260db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5270db587b0SEugene Crosser { 5280db587b0SEugene Crosser struct net_device *dev = card->dev; 5290db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5300db587b0SEugene Crosser int role; 5310db587b0SEugene Crosser int rc; 5320db587b0SEugene Crosser 5330db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5340db587b0SEugene Crosser 5350db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5360db587b0SEugene Crosser return; 5370db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5380db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5390db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5400db587b0SEugene Crosser return; 5410db587b0SEugene Crosser 5420db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5430db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5440db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5450db587b0SEugene Crosser else 5460db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5470db587b0SEugene Crosser } else 5480db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5490db587b0SEugene Crosser 5500db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5510db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5520db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5530db587b0SEugene Crosser if (!rc) { 5540db587b0SEugene Crosser card->options.sbp.role = role; 5550db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5560db587b0SEugene Crosser } 557fe5c8028SLakhvich Dmitriy 558fe5c8028SLakhvich Dmitriy } 559fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 560fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 561fe5c8028SLakhvich Dmitriy * 562fe5c8028SLakhvich Dmitriy */ 5634641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 564fe5c8028SLakhvich Dmitriy { 565cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 566fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 567fe5c8028SLakhvich Dmitriy 568cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 56999f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5705f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 571fe5c8028SLakhvich Dmitriy return; 572fe5c8028SLakhvich Dmitriy } 5730db587b0SEugene Crosser } 5740db587b0SEugene Crosser 575fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 576fe5c8028SLakhvich Dmitriy if (!mac) 577fe5c8028SLakhvich Dmitriy return; 578fe5c8028SLakhvich Dmitriy 57999f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 5805f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 581fe5c8028SLakhvich Dmitriy 582cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 583fe5c8028SLakhvich Dmitriy } 584fe5c8028SLakhvich Dmitriy 585fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 5864a71df50SFrank Blaschka { 587509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 588ccffad25SJiri Pirko struct netdev_hw_addr *ha; 589fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 590fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 591fe5c8028SLakhvich Dmitriy int i; 592fe5c8028SLakhvich Dmitriy int rc; 5934a71df50SFrank Blaschka 5944a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 5954a71df50SFrank Blaschka return; 5964a71df50SFrank Blaschka 597847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 5988e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 5998e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 6008e98ac48SUrsula Braun return; 601fe5c8028SLakhvich Dmitriy 6024a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 603fe5c8028SLakhvich Dmitriy 60422bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 6054641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 60632e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 6074641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 608fe5c8028SLakhvich Dmitriy 609fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 61000c163f1SJulian Wiedmann switch (mac->disp_flag) { 61100c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 6128174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 613fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 614fe5c8028SLakhvich Dmitriy kfree(mac); 61500c163f1SJulian Wiedmann break; 61600c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 6178174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 618fe5c8028SLakhvich Dmitriy if (rc) { 619fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 620fe5c8028SLakhvich Dmitriy kfree(mac); 62100c163f1SJulian Wiedmann break; 62200c163f1SJulian Wiedmann } 62300c163f1SJulian Wiedmann /* fall through */ 62400c163f1SJulian Wiedmann default: 62500c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 6265f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 62700c163f1SJulian Wiedmann } 628fe5c8028SLakhvich Dmitriy } 6297db2266aSFrank Blaschka 6304a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 631fe5c8028SLakhvich Dmitriy 6320db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6334a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6340db587b0SEugene Crosser else 6350db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6364a71df50SFrank Blaschka } 6374a71df50SFrank Blaschka 6387286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 6397286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 6407286384bSJulian Wiedmann { 64169d7ce80SJulian Wiedmann struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data; 64269d7ce80SJulian Wiedmann addr_t end = (addr_t)(skb->data + sizeof(*hdr)); 64369d7ce80SJulian Wiedmann addr_t start = (addr_t)skb->data; 64469d7ce80SJulian Wiedmann unsigned int elements = 0; 64569d7ce80SJulian Wiedmann unsigned int hd_len = 0; 64669d7ce80SJulian Wiedmann int rc; 6477286384bSJulian Wiedmann 6487286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 6497286384bSJulian Wiedmann return -EPROTONOSUPPORT; 6507286384bSJulian Wiedmann 65169d7ce80SJulian Wiedmann if (qeth_get_elements_for_range(start, end) > 1) { 65269d7ce80SJulian Wiedmann /* Misaligned HW header, move it to its own buffer element. */ 65369d7ce80SJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 65469d7ce80SJulian Wiedmann if (!hdr) 65569d7ce80SJulian Wiedmann return -ENOMEM; 65669d7ce80SJulian Wiedmann hd_len = sizeof(*hdr); 65769d7ce80SJulian Wiedmann skb_copy_from_linear_data(skb, (char *)hdr, hd_len); 65869d7ce80SJulian Wiedmann elements++; 65969d7ce80SJulian Wiedmann } 66069d7ce80SJulian Wiedmann 66169d7ce80SJulian Wiedmann elements += qeth_count_elements(skb, hd_len); 66269d7ce80SJulian Wiedmann if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) { 66369d7ce80SJulian Wiedmann rc = -E2BIG; 66469d7ce80SJulian Wiedmann goto out; 66569d7ce80SJulian Wiedmann } 66669d7ce80SJulian Wiedmann 66769d7ce80SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len, 66869d7ce80SJulian Wiedmann elements); 66969d7ce80SJulian Wiedmann out: 67069d7ce80SJulian Wiedmann if (rc && hd_len) 67169d7ce80SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 67269d7ce80SJulian Wiedmann return rc; 6737286384bSJulian Wiedmann } 6747286384bSJulian Wiedmann 675e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 676e38db6beSJulian Wiedmann struct net_device *dev) 6774a71df50SFrank Blaschka { 678509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 679ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 680571f9dd8SKittipon Meesompop int ipv = qeth_get_ip_version(skb); 681290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 6824a71df50SFrank Blaschka int tx_bytes = skb->len; 6837286384bSJulian Wiedmann int rc; 6844a71df50SFrank Blaschka 68591cc98f5SJulian Wiedmann if (card->state != CARD_STATE_UP) { 6864a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 6874a71df50SFrank Blaschka goto tx_drop; 6884a71df50SFrank Blaschka } 6894a71df50SFrank Blaschka 69086c0cdb9SJulian Wiedmann queue = qeth_get_tx_queue(card, skb, ipv, cast_type); 69186c0cdb9SJulian Wiedmann 6924a71df50SFrank Blaschka if (card->options.performance_stats) { 6934a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 6944a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 6954a71df50SFrank Blaschka } 6964a71df50SFrank Blaschka netif_stop_queue(dev); 6974a71df50SFrank Blaschka 6985f89eca5SJulian Wiedmann if (IS_OSN(card)) 6997286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 7005f89eca5SJulian Wiedmann else 701fc69660bSJulian Wiedmann rc = qeth_xmit(card, skb, queue, ipv, cast_type, 702fc69660bSJulian Wiedmann qeth_l2_fill_header); 7034a71df50SFrank Blaschka 7044a71df50SFrank Blaschka if (!rc) { 7054a71df50SFrank Blaschka card->stats.tx_packets++; 7064a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 7074a71df50SFrank Blaschka if (card->options.performance_stats) 7084a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 7094a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 7107286384bSJulian Wiedmann netif_wake_queue(dev); 7117286384bSJulian Wiedmann return NETDEV_TX_OK; 7127286384bSJulian Wiedmann } else if (rc == -EBUSY) { 7137286384bSJulian Wiedmann return NETDEV_TX_BUSY; 7147286384bSJulian Wiedmann } /* else fall through */ 7154a71df50SFrank Blaschka 7164a71df50SFrank Blaschka tx_drop: 7174a71df50SFrank Blaschka card->stats.tx_dropped++; 7184a71df50SFrank Blaschka card->stats.tx_errors++; 7194a71df50SFrank Blaschka dev_kfree_skb_any(skb); 720d0ec0f54SFrank Blaschka netif_wake_queue(dev); 7214a71df50SFrank Blaschka return NETDEV_TX_OK; 7224a71df50SFrank Blaschka } 7234a71df50SFrank Blaschka 7242d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 7252d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 7262d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 7272d2ebb3eSJulian Wiedmann }; 7282d2ebb3eSJulian Wiedmann 7294a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 7304a71df50SFrank Blaschka { 7314a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 7329111e788SUrsula Braun int rc; 7334a71df50SFrank Blaschka 7342d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 7359111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 7369111e788SUrsula Braun if (rc) 7379111e788SUrsula Braun return rc; 7382d2ebb3eSJulian Wiedmann } 7394a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 740fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 7411da74b1cSFrank Blaschka card->info.hwtrap = 0; 742caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 7434a71df50SFrank Blaschka return 0; 7444a71df50SFrank Blaschka } 7454a71df50SFrank Blaschka 7464a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 7474a71df50SFrank Blaschka { 7484a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 7494a71df50SFrank Blaschka 7502d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 751b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 752f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 7534a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 7544a71df50SFrank Blaschka 75570919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 7564a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 75730356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 7584a71df50SFrank Blaschka unregister_netdev(card->dev); 7594a71df50SFrank Blaschka } 7604a71df50SFrank Blaschka 7610fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 7624a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 7634a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 7644a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 765df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 7664a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 767993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 7684a71df50SFrank Blaschka }; 7694a71df50SFrank Blaschka 7700fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 7714a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 7724a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 773df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 7744a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 7754a71df50SFrank Blaschka }; 7764a71df50SFrank Blaschka 7773d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 778e22355eaSJulian Wiedmann .ndo_open = qeth_open, 779e22355eaSJulian Wiedmann .ndo_stop = qeth_stop, 7808403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 7818403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 7826d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 783e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr, 784fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 785942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 7868403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 7878403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 7888403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 7898403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 7908f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 7918f43fb00SThomas Richter .ndo_set_features = qeth_set_features 7928403b13cSFrank Blaschka }; 7938403b13cSFrank Blaschka 7949fae5c3bSJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) 7954a71df50SFrank Blaschka { 796d3d1b205SJulian Wiedmann int rc; 7974a71df50SFrank Blaschka 79830356d08SJulian Wiedmann if (qeth_netdev_is_registered(card->dev)) 799d3d1b205SJulian Wiedmann return 0; 8004a71df50SFrank Blaschka 801d3aacac4SJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 8028403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 80325e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 80425e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 80525e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 80625e2c341SJulian Wiedmann } else { 80725e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 8085f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 80925e2c341SJulian Wiedmann } 8109400c53fSJulian Wiedmann 8119400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 8129400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 8139400c53fSJulian Wiedmann else 814f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 8150f342945SJulian Wiedmann 8164d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 8176d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 8188f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 8199bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 8208f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 8219bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 8229bdc4411SHans Wippel } 8234d7def2aSThomas Richter } 824571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { 825571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM; 826571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM; 827571f9dd8SKittipon Meesompop } 828d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || 829d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { 830d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM; 831d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM; 832d7e6ed97SKittipon Meesompop } 8330aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { 8340aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO; 8350aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO; 8360aef8392SJulian Wiedmann } 8370aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { 8380aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6; 8390aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6; 8400aef8392SJulian Wiedmann } 8410aef8392SJulian Wiedmann 8420aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { 8430aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); 8440aef8392SJulian Wiedmann netif_set_gso_max_size(card->dev, 8450aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1)); 8460aef8392SJulian Wiedmann } 8470d6f02d3SJulian Wiedmann 848b144b99fSJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr)) 8494a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 850d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 851d3d1b205SJulian Wiedmann rc = register_netdev(card->dev); 8529fae5c3bSJulian Wiedmann if (!rc && carrier_ok) 8539fae5c3bSJulian Wiedmann netif_carrier_on(card->dev); 8549fae5c3bSJulian Wiedmann 855d3d1b205SJulian Wiedmann if (rc) 856d3d1b205SJulian Wiedmann card->dev->netdev_ops = NULL; 857d3d1b205SJulian Wiedmann return rc; 8584a71df50SFrank Blaschka } 8594a71df50SFrank Blaschka 8604d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 8614d7def2aSThomas Richter { 8624d7def2aSThomas Richter /* configure isolation level */ 8634d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 8644d7def2aSThomas Richter return -ENODEV; 8654d7def2aSThomas Richter return 0; 8664d7def2aSThomas Richter } 8674d7def2aSThomas Richter 868521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 869521c10eaSJulian Wiedmann { 870a45b3fafSHans Wippel /* Set BridgePort features */ 871a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 872521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 873521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 874a45b3fafSHans Wippel /* VNIC Characteristics features */ 875a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 876a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 877a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 878521c10eaSJulian Wiedmann } 879521c10eaSJulian Wiedmann 8804a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 8814a71df50SFrank Blaschka { 8824a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8834a71df50SFrank Blaschka int rc = 0; 8844a71df50SFrank Blaschka enum qeth_card_states recover_flag; 8859fae5c3bSJulian Wiedmann bool carrier_ok; 8864a71df50SFrank Blaschka 8879dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 888c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 889d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 890d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 8914a71df50SFrank Blaschka 8924a71df50SFrank Blaschka recover_flag = card->state; 8939fae5c3bSJulian Wiedmann rc = qeth_core_hardsetup_card(card, &carrier_ok); 8944a71df50SFrank Blaschka if (rc) { 8951aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 896aa909224SUrsula Braun rc = -ENODEV; 8974a71df50SFrank Blaschka goto out_remove; 8984a71df50SFrank Blaschka } 899c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 900c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 901c044dc21SEugene Crosser dev_info(&card->gdev->dev, 9029c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 9034a71df50SFrank Blaschka 9049fae5c3bSJulian Wiedmann rc = qeth_l2_setup_netdev(card, carrier_ok); 905d3d1b205SJulian Wiedmann if (rc) 9064a71df50SFrank Blaschka goto out_remove; 9074a71df50SFrank Blaschka 908bcacfcbcSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 909bcacfcbcSJulian Wiedmann !qeth_l2_send_setmac(card, card->dev->dev_addr)) 910bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 9114a71df50SFrank Blaschka 9121da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 9131da74b1cSFrank Blaschka if (card->info.hwtrap && 9141da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 9151da74b1cSFrank Blaschka card->info.hwtrap = 0; 9161da74b1cSFrank Blaschka } else 9171da74b1cSFrank Blaschka card->info.hwtrap = 0; 9181da74b1cSFrank Blaschka 919a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 920a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 921a45b3fafSHans Wippel 922a45b3fafSHans Wippel qeth_trace_features(card); 923a45b3fafSHans Wippel qeth_l2_trace_features(card); 924a45b3fafSHans Wippel 925b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 926b4d72c08SEugene Crosser 9274a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 9284a71df50SFrank Blaschka qeth_print_status_message(card); 9294a71df50SFrank Blaschka 9304a71df50SFrank Blaschka /* softsetup */ 931d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 9324a71df50SFrank Blaschka 9335113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 9340f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 9358f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 9368f43fb00SThomas Richter if (rc) 9370f54761dSStefan Raspl goto out_remove; 9380f54761dSStefan Raspl } 9395113fec0SUrsula Braun 9409400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 94170919e23SUrsula Braun qeth_l2_process_vlans(card); 9424a71df50SFrank Blaschka 9434a71df50SFrank Blaschka netif_tx_disable(card->dev); 9444a71df50SFrank Blaschka 9454a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 9464a71df50SFrank Blaschka if (rc) { 947d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 948aa909224SUrsula Braun rc = -ENODEV; 9494a71df50SFrank Blaschka goto out_remove; 9504a71df50SFrank Blaschka } 9514a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 9524a71df50SFrank Blaschka 9534a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 954d025da9eSJulian Wiedmann 955d025da9eSJulian Wiedmann qeth_enable_hw_features(card->dev); 9564a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 957e22355eaSJulian Wiedmann if (recovery_mode && !IS_OSN(card)) { 958e22355eaSJulian Wiedmann if (!qeth_l2_validate_addr(card->dev)) { 959e22355eaSJulian Wiedmann qeth_open_internal(card->dev); 9609aa17df3SJulian Wiedmann qeth_l2_set_rx_mode(card->dev); 961e22355eaSJulian Wiedmann } 9624a71df50SFrank Blaschka } else { 9634a71df50SFrank Blaschka rtnl_lock(); 96400f54e68SPetr Machata dev_open(card->dev, NULL); 9654a71df50SFrank Blaschka rtnl_unlock(); 9664a71df50SFrank Blaschka } 9674a71df50SFrank Blaschka } 9684a71df50SFrank Blaschka /* let user_space know that device is online */ 9694a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 970c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 9719dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 9724a71df50SFrank Blaschka return 0; 973aa909224SUrsula Braun 9744a71df50SFrank Blaschka out_remove: 9754a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 9764a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 9774a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 9784a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 97922ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 9804a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 9814a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 9824a71df50SFrank Blaschka else 9834a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 984c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 9859dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 986aa909224SUrsula Braun return rc; 9874a71df50SFrank Blaschka } 9884a71df50SFrank Blaschka 9894a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 9904a71df50SFrank Blaschka { 9914a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 9924a71df50SFrank Blaschka } 9934a71df50SFrank Blaschka 9944a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 9954a71df50SFrank Blaschka int recovery_mode) 9964a71df50SFrank Blaschka { 9974a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 9984a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 9994a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10004a71df50SFrank Blaschka 10019dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1002c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1003d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1004d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 10054a71df50SFrank Blaschka 10064a71df50SFrank Blaschka netif_carrier_off(card->dev); 10074a71df50SFrank Blaschka recover_flag = card->state; 10081da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 10091da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 10101da74b1cSFrank Blaschka card->info.hwtrap = 1; 10111da74b1cSFrank Blaschka } 10120f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 10134a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 10144a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 10154a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 10164a71df50SFrank Blaschka if (!rc) 10174a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 10184a71df50SFrank Blaschka if (rc) 1019d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 102022ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 10214a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 10224a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10234a71df50SFrank Blaschka /* let user_space know that device is offline */ 10244a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1025c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10269dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10274a71df50SFrank Blaschka return 0; 10284a71df50SFrank Blaschka } 10294a71df50SFrank Blaschka 10304a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 10314a71df50SFrank Blaschka { 10324a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 10334a71df50SFrank Blaschka } 10344a71df50SFrank Blaschka 10354a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 10364a71df50SFrank Blaschka { 10374a71df50SFrank Blaschka struct qeth_card *card; 10384a71df50SFrank Blaschka int rc = 0; 10394a71df50SFrank Blaschka 10404a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1041847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 10424a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 10434a71df50SFrank Blaschka return 0; 1044847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 104574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 104674eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 104765d8013cSStefan Raspl qeth_set_recovery_task(card); 10484a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 10494a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 10504a71df50SFrank Blaschka if (!rc) 105174eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 105274eacdb9SFrank Blaschka "Device successfully recovered!\n"); 105328a7e4c9SUrsula Braun else { 10540f54761dSStefan Raspl qeth_close_dev(card); 105574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 105674eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 105728a7e4c9SUrsula Braun } 105865d8013cSStefan Raspl qeth_clear_recovery_task(card); 1059a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1060a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 10614a71df50SFrank Blaschka return 0; 10624a71df50SFrank Blaschka } 10634a71df50SFrank Blaschka 10644a71df50SFrank Blaschka static int __init qeth_l2_init(void) 10654a71df50SFrank Blaschka { 106674eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 10674a71df50SFrank Blaschka return 0; 10684a71df50SFrank Blaschka } 10694a71df50SFrank Blaschka 10704a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 10714a71df50SFrank Blaschka { 107274eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 10734a71df50SFrank Blaschka } 10744a71df50SFrank Blaschka 1075bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1076bbcfcdc8SFrank Blaschka { 1077bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1078bbcfcdc8SFrank Blaschka 1079bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1080bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1081bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1082bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1083bbcfcdc8SFrank Blaschka return 0; 1084bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 10851da74b1cSFrank Blaschka if (card->info.hwtrap) 10861da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1087bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1088bbcfcdc8SFrank Blaschka } else 1089bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1090bbcfcdc8SFrank Blaschka return 0; 1091bbcfcdc8SFrank Blaschka } 1092bbcfcdc8SFrank Blaschka 1093bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1094bbcfcdc8SFrank Blaschka { 1095bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1096bbcfcdc8SFrank Blaschka int rc = 0; 1097bbcfcdc8SFrank Blaschka 1098bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1099bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1100bbcfcdc8SFrank Blaschka if (rc) { 1101bbcfcdc8SFrank Blaschka rtnl_lock(); 1102bbcfcdc8SFrank Blaschka dev_close(card->dev); 1103bbcfcdc8SFrank Blaschka rtnl_unlock(); 1104bbcfcdc8SFrank Blaschka } 1105bbcfcdc8SFrank Blaschka } else 1106bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 11076585ac4eSJulian Wiedmann 1108bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1109bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1110bbcfcdc8SFrank Blaschka if (rc) 1111bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1112bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1113bbcfcdc8SFrank Blaschka return rc; 1114bbcfcdc8SFrank Blaschka } 1115bbcfcdc8SFrank Blaschka 1116c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1117c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1118c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1119c044dc21SEugene Crosser { 1120c044dc21SEugene Crosser switch (cmd->hdr.command) { 11219c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 11229c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1123c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1124c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1125c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1126c044dc21SEugene Crosser return 0; 1127c044dc21SEugene Crosser } else 1128c044dc21SEugene Crosser return 1; 1129c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1130c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1131c044dc21SEugene Crosser return 0; 1132c044dc21SEugene Crosser default: 1133c044dc21SEugene Crosser return 1; 1134c044dc21SEugene Crosser } 1135c044dc21SEugene Crosser } 1136c044dc21SEugene Crosser 1137c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 11382d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1139d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1140c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1141c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 11424a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 11434a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 11444a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1145bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1146bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1147bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1148942d6984SJulian Wiedmann .do_ioctl = NULL, 1149c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 11504a71df50SFrank Blaschka }; 1151c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 11524a71df50SFrank Blaschka 11534a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 11544a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 11554a71df50SFrank Blaschka { 1156750b1625SJulian Wiedmann struct qeth_channel *channel = iob->channel; 11574a71df50SFrank Blaschka int rc = 0; 11584a71df50SFrank Blaschka 1159847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 11604a71df50SFrank Blaschka 11614a71df50SFrank Blaschka wait_event(card->wait_q, 1162750b1625SJulian Wiedmann atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); 11634a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1164847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 1165ed47155bSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); 1166f15cdaf2SJulian Wiedmann rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, 1167db71bbbdSJulian Wiedmann (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); 1168ed47155bSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); 11694a71df50SFrank Blaschka if (rc) { 117014cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 11714a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1172847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 1173750b1625SJulian Wiedmann qeth_release_buffer(channel, iob); 1174750b1625SJulian Wiedmann atomic_set(&channel->irq_pending, 0); 11754a71df50SFrank Blaschka wake_up(&card->wait_q); 11764a71df50SFrank Blaschka } 11774a71df50SFrank Blaschka return rc; 11784a71df50SFrank Blaschka } 11794a71df50SFrank Blaschka 11804a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 11814a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 11824a71df50SFrank Blaschka { 11834a71df50SFrank Blaschka u16 s1, s2; 11844a71df50SFrank Blaschka 1185847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 11864a71df50SFrank Blaschka 118773657a3eSJulian Wiedmann qeth_prepare_ipa_cmd(card, iob); 11884a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 11894a71df50SFrank Blaschka s2 = (u16)data_len; 11904a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 11914a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 11924a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 11934a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 11944a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 11954a71df50SFrank Blaschka } 11964a71df50SFrank Blaschka 11974a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 11984a71df50SFrank Blaschka { 11994a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 12004a71df50SFrank Blaschka struct qeth_card *card; 12014a71df50SFrank Blaschka 12024a71df50SFrank Blaschka if (!dev) 12034a71df50SFrank Blaschka return -ENODEV; 1204509e2562SHeiko Carstens card = dev->ml_priv; 12054a71df50SFrank Blaschka if (!card) 12064a71df50SFrank Blaschka return -ENODEV; 1207847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1208c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 12094a71df50SFrank Blaschka return -ENODEV; 12104a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1211ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1212ff5caa7aSJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob, data_len); 12134a71df50SFrank Blaschka } 12144a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 12154a71df50SFrank Blaschka 12164a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 12174a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 12184a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 12194a71df50SFrank Blaschka { 12204a71df50SFrank Blaschka struct qeth_card *card; 1221d7d18da1SJulian Wiedmann char bus_id[16]; 1222d7d18da1SJulian Wiedmann u16 devno; 12234a71df50SFrank Blaschka 1224d7d18da1SJulian Wiedmann memcpy(&devno, read_dev_no, 2); 1225d7d18da1SJulian Wiedmann sprintf(bus_id, "0.0.%04x", devno); 1226d7d18da1SJulian Wiedmann card = qeth_get_card_by_busid(bus_id); 1227d7d18da1SJulian Wiedmann if (!card || !IS_OSN(card)) 12284a71df50SFrank Blaschka return -ENODEV; 1229d7d18da1SJulian Wiedmann *dev = card->dev; 1230d7d18da1SJulian Wiedmann 1231847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 12324a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 12334a71df50SFrank Blaschka return -EINVAL; 12344a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 12354a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 12364a71df50SFrank Blaschka return 0; 12374a71df50SFrank Blaschka } 12384a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 12394a71df50SFrank Blaschka 12404a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 12414a71df50SFrank Blaschka { 12424a71df50SFrank Blaschka struct qeth_card *card; 12434a71df50SFrank Blaschka 12444a71df50SFrank Blaschka if (!dev) 12454a71df50SFrank Blaschka return; 1246509e2562SHeiko Carstens card = dev->ml_priv; 12474a71df50SFrank Blaschka if (!card) 12484a71df50SFrank Blaschka return; 1249847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 12504a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 12514a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 12524a71df50SFrank Blaschka return; 12534a71df50SFrank Blaschka } 12544a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 12554a71df50SFrank Blaschka 1256b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1257b4d72c08SEugene Crosser 12589f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 12599f48b9dbSEugene Crosser 12609f48b9dbSEugene Crosser /** 12619f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 12629f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 12639f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 12649f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 12659f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 12669f48b9dbSEugene Crosser * object, 0 - addition of an object. 12679f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 12689f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 12699f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 12709f48b9dbSEugene Crosser * 12719f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 12729f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 12739f48b9dbSEugene Crosser * for all currently registered addresses. 12749f48b9dbSEugene Crosser */ 12759f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 12769f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 12779f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 12789f48b9dbSEugene Crosser { 12799f48b9dbSEugene Crosser char str[7][32]; 12809f48b9dbSEugene Crosser char *env[8]; 12819f48b9dbSEugene Crosser int i = 0; 12829f48b9dbSEugene Crosser 12839f48b9dbSEugene Crosser switch (evtype) { 12849f48b9dbSEugene Crosser case anev_reg_unreg: 12859f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 12869f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 12879f48b9dbSEugene Crosser ? "deregister" : "register"); 12889f48b9dbSEugene Crosser env[i] = str[i]; i++; 12899f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 12909f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 12919f48b9dbSEugene Crosser addr_lnid->lnid); 12929f48b9dbSEugene Crosser env[i] = str[i]; i++; 12939f48b9dbSEugene Crosser } 12949f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 12959846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 12969846e70bSEugene Crosser addr_lnid->mac); 12979f48b9dbSEugene Crosser env[i] = str[i]; i++; 12989f48b9dbSEugene Crosser } 12999f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 13009f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 13019f48b9dbSEugene Crosser env[i] = str[i]; i++; 13029f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 13039f48b9dbSEugene Crosser env[i] = str[i]; i++; 13049f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 13059f48b9dbSEugene Crosser token->chpid); 13069f48b9dbSEugene Crosser env[i] = str[i]; i++; 13079f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 13089f48b9dbSEugene Crosser env[i] = str[i]; i++; 13099f48b9dbSEugene Crosser break; 13109f48b9dbSEugene Crosser case anev_abort: 13119f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 13129f48b9dbSEugene Crosser env[i] = str[i]; i++; 13139f48b9dbSEugene Crosser break; 13149f48b9dbSEugene Crosser case anev_reset: 13159f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 13169f48b9dbSEugene Crosser env[i] = str[i]; i++; 13179f48b9dbSEugene Crosser break; 13189f48b9dbSEugene Crosser } 13199f48b9dbSEugene Crosser env[i] = NULL; 13209f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 13219f48b9dbSEugene Crosser } 13229f48b9dbSEugene Crosser 1323b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1324b4d72c08SEugene Crosser struct work_struct worker; 1325b4d72c08SEugene Crosser struct qeth_card *card; 1326b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1327b4d72c08SEugene Crosser }; 1328b4d72c08SEugene Crosser 1329b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1330b4d72c08SEugene Crosser { 1331b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1332b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1333b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1334b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1335b4d72c08SEugene Crosser char env_locrem[32]; 1336b4d72c08SEugene Crosser char env_role[32]; 1337b4d72c08SEugene Crosser char env_state[32]; 1338b4d72c08SEugene Crosser char *env[] = { 1339b4d72c08SEugene Crosser env_locrem, 1340b4d72c08SEugene Crosser env_role, 1341b4d72c08SEugene Crosser env_state, 1342b4d72c08SEugene Crosser NULL 1343b4d72c08SEugene Crosser }; 1344b4d72c08SEugene Crosser 1345b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1346b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1347b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1348b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1349b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1350b4d72c08SEugene Crosser 1351b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1352b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1353b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1354b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1355b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1356b4d72c08SEugene Crosser "<INVALID>"); 1357b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1358b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1359b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1360b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1361b4d72c08SEugene Crosser "<INVALID>"); 1362b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1363b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1364b4d72c08SEugene Crosser kfree(data); 1365b4d72c08SEugene Crosser } 1366b4d72c08SEugene Crosser 1367c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1368c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1369b4d72c08SEugene Crosser { 1370b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1371b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1372b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1373b4d72c08SEugene Crosser int extrasize; 1374b4d72c08SEugene Crosser 1375b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1376b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 13778a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1378b4d72c08SEugene Crosser return; 1379b4d72c08SEugene Crosser } 1380b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1381b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1382b4d72c08SEugene Crosser GFP_ATOMIC); 1383b4d72c08SEugene Crosser if (!data) { 1384b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1385b4d72c08SEugene Crosser return; 1386b4d72c08SEugene Crosser } 1387b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1388b4d72c08SEugene Crosser data->card = card; 1389b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1390b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1391b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1392b4d72c08SEugene Crosser } 1393b4d72c08SEugene Crosser 13949f48b9dbSEugene Crosser struct qeth_bridge_host_data { 13959f48b9dbSEugene Crosser struct work_struct worker; 13969f48b9dbSEugene Crosser struct qeth_card *card; 13979f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 13989f48b9dbSEugene Crosser }; 13999f48b9dbSEugene Crosser 14009f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 14019f48b9dbSEugene Crosser { 14029f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 14039f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 14049f48b9dbSEugene Crosser int i; 14059f48b9dbSEugene Crosser 14069f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 14079f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 14089c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 14099f48b9dbSEugene Crosser data->card->dev->name, 14109f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 14119f48b9dbSEugene Crosser ? "Overflow" 14129f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 14139f48b9dbSEugene Crosser ? "Bridge port state change" 14149f48b9dbSEugene Crosser : "Unknown reason"); 14159f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 14169f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 14179f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 14189f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 14199f48b9dbSEugene Crosser 0, NULL, NULL); 14209f48b9dbSEugene Crosser } else 14219f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 14229f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 14239f48b9dbSEugene Crosser &data->hostevs.entry[i]; 14249f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 14259f48b9dbSEugene Crosser anev_reg_unreg, 14269f48b9dbSEugene Crosser entry->change_code, 14279f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 14289f48b9dbSEugene Crosser } 14299f48b9dbSEugene Crosser kfree(data); 14309f48b9dbSEugene Crosser } 14319f48b9dbSEugene Crosser 1432c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1433c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 14349f48b9dbSEugene Crosser { 14359f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 14369f48b9dbSEugene Crosser &cmd->data.addrchange; 14379f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 14389f48b9dbSEugene Crosser int extrasize; 14399f48b9dbSEugene Crosser 14409f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 14419f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 14429f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 14439f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 14449f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 14459f48b9dbSEugene Crosser } else { 14469f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 14479f48b9dbSEugene Crosser cmd->hdr.return_code); 14489f48b9dbSEugene Crosser return; 14499f48b9dbSEugene Crosser } 14509f48b9dbSEugene Crosser } 14519f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 14529f48b9dbSEugene Crosser hostevs->num_entries; 14539f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 14549f48b9dbSEugene Crosser GFP_ATOMIC); 14559f48b9dbSEugene Crosser if (!data) { 14569f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 14579f48b9dbSEugene Crosser return; 14589f48b9dbSEugene Crosser } 14599f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 14609f48b9dbSEugene Crosser data->card = card; 14619f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 14629f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 14639f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 14649f48b9dbSEugene Crosser } 14659f48b9dbSEugene Crosser 1466b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1467b4d72c08SEugene Crosser 1468b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1469b4d72c08SEugene Crosser u16 ipa_rc; 1470b4d72c08SEugene Crosser u16 cmd_rc; 1471b4d72c08SEugene Crosser union { 1472b4d72c08SEugene Crosser u32 supported; 1473b4d72c08SEugene Crosser struct { 1474b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1475b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1476b4d72c08SEugene Crosser } qports; 1477b4d72c08SEugene Crosser } data; 1478b4d72c08SEugene Crosser }; 1479b4d72c08SEugene Crosser 1480b4d72c08SEugene Crosser /** 1481b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1482b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1483b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1484b4d72c08SEugene Crosser * @setcmd: IPA command code 1485b4d72c08SEugene Crosser * 1486b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1487b4d72c08SEugene Crosser */ 1488b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1489b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1490b4d72c08SEugene Crosser { 1491b4d72c08SEugene Crosser int rc; 14929c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1493b4d72c08SEugene Crosser 14949c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 14959c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1496b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 14972063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1498b4d72c08SEugene Crosser rc = 0; 1499b4d72c08SEugene Crosser break; 15002063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 15012063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1502ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1503b4d72c08SEugene Crosser break; 15042063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 15052063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1506b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1507b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15089c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1509b4d72c08SEugene Crosser break; 15102063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 15112063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 15121b05cf62SEugene Crosser rc = -EPERM; 15131b05cf62SEugene Crosser dev_err(&card->gdev->dev, 15141b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 15151b05cf62SEugene Crosser break; 15162063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 15172063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1518b4d72c08SEugene Crosser switch (setcmd) { 1519b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1520b4d72c08SEugene Crosser rc = -EEXIST; 1521b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15229c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1523b4d72c08SEugene Crosser break; 1524b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1525b4d72c08SEugene Crosser rc = -EBUSY; 1526b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15279c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1528b4d72c08SEugene Crosser break; 1529b4d72c08SEugene Crosser default: 1530b4d72c08SEugene Crosser rc = -EIO; 1531b4d72c08SEugene Crosser } 1532b4d72c08SEugene Crosser break; 15332063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 15342063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1535b4d72c08SEugene Crosser rc = -EBUSY; 1536b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15379c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1538b4d72c08SEugene Crosser break; 15392063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 15402063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1541b4d72c08SEugene Crosser rc = -EEXIST; 1542b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15439c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1544b4d72c08SEugene Crosser break; 15452063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 15462063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1547b4d72c08SEugene Crosser rc = -EBUSY; 1548b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15499c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1550b4d72c08SEugene Crosser break; 15512063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 15522063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1553b4d72c08SEugene Crosser rc = -EACCES; 1554b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 15559c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1556b4d72c08SEugene Crosser break; 1557b4d72c08SEugene Crosser default: 1558b4d72c08SEugene Crosser rc = -EIO; 1559b4d72c08SEugene Crosser } 15609c23f4daSEugene Crosser else 15619c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1562b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1563ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1564b4d72c08SEugene Crosser break; 1565b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1566ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1567b4d72c08SEugene Crosser break; 1568b4d72c08SEugene Crosser default: 1569b4d72c08SEugene Crosser rc = -EIO; 1570b4d72c08SEugene Crosser } 15719c23f4daSEugene Crosser 1572b4d72c08SEugene Crosser if (rc) { 1573b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1574b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1575b4d72c08SEugene Crosser } 1576b4d72c08SEugene Crosser return rc; 1577b4d72c08SEugene Crosser } 1578b4d72c08SEugene Crosser 1579d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1580d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1581d65626adSJulian Wiedmann unsigned int cmd_length) 15829c23f4daSEugene Crosser { 1583d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 15849c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 15859c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1586d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1587d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1588d65626adSJulian Wiedmann 1589d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1590d65626adSJulian Wiedmann if (!iob) 1591d65626adSJulian Wiedmann return iob; 1592ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1593d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1594d65626adSJulian Wiedmann cmd_length; 1595d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1596d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1597d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1598d65626adSJulian Wiedmann return iob; 15999c23f4daSEugene Crosser } 16009c23f4daSEugene Crosser 1601b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1602b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1603b4d72c08SEugene Crosser { 1604b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1605b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1606b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1607b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1608b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1609b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1610b4d72c08SEugene Crosser cbctl->data.supported = 1611b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1612b4d72c08SEugene Crosser } else { 1613b4d72c08SEugene Crosser cbctl->data.supported = 0; 1614b4d72c08SEugene Crosser } 1615b4d72c08SEugene Crosser return 0; 1616b4d72c08SEugene Crosser } 1617b4d72c08SEugene Crosser 1618b4d72c08SEugene Crosser /** 1619b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1620b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1621b4d72c08SEugene Crosser * 1622b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1623b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1624b4d72c08SEugene Crosser */ 1625c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1626b4d72c08SEugene Crosser { 1627b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1628b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1629b4d72c08SEugene Crosser 1630b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1631d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1632d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 16331aec42bcSThomas Richter if (!iob) 16341aec42bcSThomas Richter return; 1635b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1636b4d72c08SEugene Crosser (void *)&cbctl) || 1637b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1638b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1639b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1640b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1641b4d72c08SEugene Crosser return; 1642b4d72c08SEugene Crosser } 1643b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1644b4d72c08SEugene Crosser } 1645b4d72c08SEugene Crosser 1646b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1647b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1648b4d72c08SEugene Crosser { 1649b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1650b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1651b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1652b4d72c08SEugene Crosser 1653b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1654b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1655b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1656b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1657b4d72c08SEugene Crosser return 0; 1658b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1659b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1660b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1661b4d72c08SEugene Crosser return 0; 1662b4d72c08SEugene Crosser } 1663b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1664b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1665b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1666b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1667b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1668b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1669b4d72c08SEugene Crosser } 1670b4d72c08SEugene Crosser return 0; 1671b4d72c08SEugene Crosser } 1672b4d72c08SEugene Crosser 1673b4d72c08SEugene Crosser /** 1674b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1675b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1676b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1677b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1678b4d72c08SEugene Crosser * 1679b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1680b4d72c08SEugene Crosser * 1681b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1682b4d72c08SEugene Crosser */ 1683b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1684b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1685b4d72c08SEugene Crosser { 1686b4d72c08SEugene Crosser int rc = 0; 1687b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1688b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1689b4d72c08SEugene Crosser .data = { 1690b4d72c08SEugene Crosser .qports = { 1691b4d72c08SEugene Crosser .role = role, 1692b4d72c08SEugene Crosser .state = state, 1693b4d72c08SEugene Crosser }, 1694b4d72c08SEugene Crosser }, 1695b4d72c08SEugene Crosser }; 1696b4d72c08SEugene Crosser 1697b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1698b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1699b4d72c08SEugene Crosser return -EOPNOTSUPP; 1700d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 17011aec42bcSThomas Richter if (!iob) 17021aec42bcSThomas Richter return -ENOMEM; 1703b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1704b4d72c08SEugene Crosser (void *)&cbctl); 1705c88394e7SEugene Crosser if (rc < 0) 1706b4d72c08SEugene Crosser return rc; 1707c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1708b4d72c08SEugene Crosser } 1709b4d72c08SEugene Crosser 1710b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1711b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1712b4d72c08SEugene Crosser { 1713b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1714b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1715b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1716b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1717b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1718b4d72c08SEugene Crosser return 0; 1719b4d72c08SEugene Crosser } 1720b4d72c08SEugene Crosser 1721b4d72c08SEugene Crosser /** 1722b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1723b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1724b4d72c08SEugene Crosser * @role: Role to assign. 1725b4d72c08SEugene Crosser * 1726b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1727b4d72c08SEugene Crosser */ 1728b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1729b4d72c08SEugene Crosser { 1730b4d72c08SEugene Crosser int rc = 0; 1731b4d72c08SEugene Crosser int cmdlength; 1732b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1733b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1734b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1735b4d72c08SEugene Crosser 1736b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1737b4d72c08SEugene Crosser switch (role) { 1738b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1739b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1740d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1741b4d72c08SEugene Crosser break; 1742b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1743b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1744d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1745b4d72c08SEugene Crosser break; 1746b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1747b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1748d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1749b4d72c08SEugene Crosser break; 1750b4d72c08SEugene Crosser default: 1751b4d72c08SEugene Crosser return -EINVAL; 1752b4d72c08SEugene Crosser } 1753b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1754b4d72c08SEugene Crosser return -EOPNOTSUPP; 1755d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 17561aec42bcSThomas Richter if (!iob) 17571aec42bcSThomas Richter return -ENOMEM; 1758b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1759b4d72c08SEugene Crosser (void *)&cbctl); 1760c88394e7SEugene Crosser if (rc < 0) 1761b4d72c08SEugene Crosser return rc; 1762c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1763b4d72c08SEugene Crosser } 1764b4d72c08SEugene Crosser 17659f48b9dbSEugene Crosser /** 17669f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 17679f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 17689f48b9dbSEugene Crosser * 17699f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 17709f48b9dbSEugene Crosser */ 17719f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 17729f48b9dbSEugene Crosser { 17739f48b9dbSEugene Crosser int rc; 17749f48b9dbSEugene Crosser 17759f48b9dbSEugene Crosser if (pnso_rc == 0) 17769f48b9dbSEugene Crosser switch (response) { 17779f48b9dbSEugene Crosser case 0x0001: 17789f48b9dbSEugene Crosser rc = 0; 17799f48b9dbSEugene Crosser break; 17809f48b9dbSEugene Crosser case 0x0004: 17819f48b9dbSEugene Crosser case 0x0100: 17829f48b9dbSEugene Crosser case 0x0106: 1783ffb95251SEugene Crosser rc = -EOPNOTSUPP; 17849f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 17859f48b9dbSEugene Crosser "Setting address notification failed\n"); 17869f48b9dbSEugene Crosser break; 17879f48b9dbSEugene Crosser case 0x0107: 17889f48b9dbSEugene Crosser rc = -EAGAIN; 17899f48b9dbSEugene Crosser break; 17909f48b9dbSEugene Crosser default: 17919f48b9dbSEugene Crosser rc = -EIO; 17929f48b9dbSEugene Crosser } 17939f48b9dbSEugene Crosser else 17949f48b9dbSEugene Crosser rc = -EIO; 17959f48b9dbSEugene Crosser 17969f48b9dbSEugene Crosser if (rc) { 17979f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 17989f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 17999f48b9dbSEugene Crosser } 18009f48b9dbSEugene Crosser return rc; 18019f48b9dbSEugene Crosser } 18029f48b9dbSEugene Crosser 18039f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 18049f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 18059f48b9dbSEugene Crosser { 18069f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 18079f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 18089f48b9dbSEugene Crosser u8 code; 18099f48b9dbSEugene Crosser 18109f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 18119f48b9dbSEugene Crosser WARN_ON_ONCE(1); 18129f48b9dbSEugene Crosser return; 18139f48b9dbSEugene Crosser } 18149f48b9dbSEugene Crosser 18159f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 18169f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 18179f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 18189f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 18199f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 18209f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 18219f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 18229f48b9dbSEugene Crosser } 18239f48b9dbSEugene Crosser 18249f48b9dbSEugene Crosser /** 18259f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 18269f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 18279f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 18289f48b9dbSEugene Crosser * 18299f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 18309f48b9dbSEugene Crosser * 18319f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 18329f48b9dbSEugene Crosser * currently registered hosts. 18339f48b9dbSEugene Crosser */ 18349f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 18359f48b9dbSEugene Crosser { 18369f48b9dbSEugene Crosser int rc; 18379f48b9dbSEugene Crosser u16 response; 18389f48b9dbSEugene Crosser struct ccw_device *ddev; 18399f48b9dbSEugene Crosser struct subchannel_id schid; 18409f48b9dbSEugene Crosser 18419f48b9dbSEugene Crosser if (!card) 18429f48b9dbSEugene Crosser return -EINVAL; 18439f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 18449f48b9dbSEugene Crosser return -EOPNOTSUPP; 18459f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 18469f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 18479f48b9dbSEugene Crosser 18489f48b9dbSEugene Crosser if (enable) { 18499f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 18509f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 18519f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 18529f48b9dbSEugene Crosser } else 18539f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 18549f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 18559f48b9dbSEugene Crosser } 18569f48b9dbSEugene Crosser 1857caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 1858caa1f0b1SHans Wippel { 1859caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 1860caa1f0b1SHans Wippel card->options.sbp.hostnotification); 1861caa1f0b1SHans Wippel } 1862caa1f0b1SHans Wippel 1863a45b3fafSHans Wippel /* VNIC Characteristics support */ 1864a45b3fafSHans Wippel 1865a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 1866a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 1867a45b3fafSHans Wippel { 1868a45b3fafSHans Wippel int rc; 1869a45b3fafSHans Wippel 1870a45b3fafSHans Wippel switch (ipa_rc) { 1871a45b3fafSHans Wippel case IPA_RC_SUCCESS: 1872a45b3fafSHans Wippel return ipa_rc; 1873a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 1874a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 1875a45b3fafSHans Wippel rc = -EOPNOTSUPP; 1876a45b3fafSHans Wippel break; 1877a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 1878a45b3fafSHans Wippel rc = -EALREADY; 1879a45b3fafSHans Wippel break; 1880a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 1881a45b3fafSHans Wippel rc = -EBUSY; 1882a45b3fafSHans Wippel break; 1883a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 1884a45b3fafSHans Wippel rc = -ENOSPC; 1885a45b3fafSHans Wippel break; 1886a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 1887a45b3fafSHans Wippel rc = -EACCES; 1888a45b3fafSHans Wippel break; 1889a45b3fafSHans Wippel default: 1890a45b3fafSHans Wippel rc = -EIO; 1891a45b3fafSHans Wippel } 1892a45b3fafSHans Wippel 1893a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 1894a45b3fafSHans Wippel return rc; 1895a45b3fafSHans Wippel } 1896a45b3fafSHans Wippel 1897a45b3fafSHans Wippel /* generic VNICC request call back control */ 1898a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 1899a45b3fafSHans Wippel u32 sub_cmd; 1900caa1f0b1SHans Wippel struct { 1901caa1f0b1SHans Wippel u32 vnic_char; 1902349d13d5SHans Wippel u32 timeout; 1903caa1f0b1SHans Wippel } param; 1904caa1f0b1SHans Wippel struct { 1905349d13d5SHans Wippel union{ 1906caa1f0b1SHans Wippel u32 *sup_cmds; 1907349d13d5SHans Wippel u32 *timeout; 1908349d13d5SHans Wippel }; 1909caa1f0b1SHans Wippel } result; 1910a45b3fafSHans Wippel }; 1911a45b3fafSHans Wippel 1912a45b3fafSHans Wippel /* generic VNICC request call back */ 1913a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 1914a45b3fafSHans Wippel struct qeth_reply *reply, 1915a45b3fafSHans Wippel unsigned long data) 1916a45b3fafSHans Wippel { 1917caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 1918caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 1919a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1920a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 1921a45b3fafSHans Wippel 1922a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 1923a45b3fafSHans Wippel if (cmd->hdr.return_code) 1924a45b3fafSHans Wippel return 0; 1925a45b3fafSHans Wippel /* return results to caller */ 1926a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 1927a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 1928a45b3fafSHans Wippel 1929caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 1930caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 1931caa1f0b1SHans Wippel 1932349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 1933349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 1934349d13d5SHans Wippel 1935a45b3fafSHans Wippel return 0; 1936a45b3fafSHans Wippel } 1937a45b3fafSHans Wippel 1938a45b3fafSHans Wippel /* generic VNICC request */ 1939a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 1940a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 1941a45b3fafSHans Wippel { 1942a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 1943a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 1944a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 1945a45b3fafSHans Wippel int rc; 1946a45b3fafSHans Wippel 1947a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 1948a45b3fafSHans Wippel 1949a45b3fafSHans Wippel /* get new buffer for request */ 1950a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 1951a45b3fafSHans Wippel if (!iob) 1952a45b3fafSHans Wippel return -ENOMEM; 1953a45b3fafSHans Wippel 1954a45b3fafSHans Wippel /* create header for request */ 1955ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1956a45b3fafSHans Wippel req = &cmd->data.vnicc; 1957a45b3fafSHans Wippel 1958a45b3fafSHans Wippel /* create sub command header for request */ 1959a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 1960a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 1961a45b3fafSHans Wippel 1962a45b3fafSHans Wippel /* create sub command specific request fields */ 1963a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 1964a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 1965a45b3fafSHans Wippel break; 1966caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 1967caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 1968caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 1969caa1f0b1SHans Wippel break; 1970caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 1971caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 1972caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 1973caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 1974caa1f0b1SHans Wippel break; 1975349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 1976349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 1977349d13d5SHans Wippel /* fallthrough */ 1978349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 1979349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 1980349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 1981349d13d5SHans Wippel break; 1982a45b3fafSHans Wippel default: 1983a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 1984a45b3fafSHans Wippel return -EOPNOTSUPP; 1985a45b3fafSHans Wippel } 1986a45b3fafSHans Wippel 1987a45b3fafSHans Wippel /* send request */ 1988a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 1989a45b3fafSHans Wippel (void *) cbctl); 1990a45b3fafSHans Wippel 1991a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 1992a45b3fafSHans Wippel } 1993a45b3fafSHans Wippel 1994a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 1995a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 1996a45b3fafSHans Wippel { 1997a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 1998a45b3fafSHans Wippel 1999a45b3fafSHans Wippel /* prepare callback control */ 2000a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2001a45b3fafSHans Wippel 2002a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2003a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2004a45b3fafSHans Wippel } 2005a45b3fafSHans Wippel 2006caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2007caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2008caa1f0b1SHans Wippel u32 *sup_cmds) 2009caa1f0b1SHans Wippel { 2010caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2011caa1f0b1SHans Wippel 2012caa1f0b1SHans Wippel /* prepare callback control */ 2013caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2014caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2015caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2016caa1f0b1SHans Wippel 2017caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2018caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2019caa1f0b1SHans Wippel } 2020caa1f0b1SHans Wippel 2021caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2022caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2023caa1f0b1SHans Wippel u32 cmd) 2024caa1f0b1SHans Wippel { 2025caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2026caa1f0b1SHans Wippel 2027caa1f0b1SHans Wippel /* prepare callback control */ 2028caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2029caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2030caa1f0b1SHans Wippel 2031caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2032caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2033caa1f0b1SHans Wippel } 2034caa1f0b1SHans Wippel 2035349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2036349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2037349d13d5SHans Wippel u32 cmd, u32 *timeout) 2038349d13d5SHans Wippel { 2039349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2040349d13d5SHans Wippel 2041349d13d5SHans Wippel /* prepare callback control */ 2042349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2043349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2044349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2045349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2046349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2047349d13d5SHans Wippel cbctl.result.timeout = timeout; 2048349d13d5SHans Wippel 2049349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2050349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2051349d13d5SHans Wippel } 2052349d13d5SHans Wippel 2053caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2054caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2055caa1f0b1SHans Wippel { 2056caa1f0b1SHans Wippel int rc = 0; 2057caa1f0b1SHans Wippel u32 cmd; 2058caa1f0b1SHans Wippel 2059caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2060caa1f0b1SHans Wippel 2061caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2062caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2063caa1f0b1SHans Wippel return -EBUSY; 2064caa1f0b1SHans Wippel 2065caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2066caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2067caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2068caa1f0b1SHans Wippel return -EOPNOTSUPP; 2069caa1f0b1SHans Wippel 2070caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2071caa1f0b1SHans Wippel if (state) { 2072caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2073caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2074caa1f0b1SHans Wippel } else { 2075caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2076caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2077caa1f0b1SHans Wippel } 2078caa1f0b1SHans Wippel 2079caa1f0b1SHans Wippel /* do we need to do anything? */ 2080caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2081caa1f0b1SHans Wippel return rc; 2082caa1f0b1SHans Wippel 2083caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2084caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2085caa1f0b1SHans Wippel if (state) 2086caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2087caa1f0b1SHans Wippel else 2088caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2089caa1f0b1SHans Wippel return rc; 2090caa1f0b1SHans Wippel } 2091caa1f0b1SHans Wippel 2092caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2093caa1f0b1SHans Wippel if (rc) 2094caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2095caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2096349d13d5SHans Wippel else { 2097349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2098349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2099caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2100349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2101349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2102349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2103349d13d5SHans Wippel } 2104caa1f0b1SHans Wippel 2105caa1f0b1SHans Wippel return rc; 2106caa1f0b1SHans Wippel } 2107caa1f0b1SHans Wippel 2108caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2109caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2110caa1f0b1SHans Wippel { 2111caa1f0b1SHans Wippel int rc = 0; 2112caa1f0b1SHans Wippel 2113caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2114caa1f0b1SHans Wippel 2115caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2116caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2117caa1f0b1SHans Wippel return -EBUSY; 2118caa1f0b1SHans Wippel 2119caa1f0b1SHans Wippel /* check if characteristic is supported */ 2120caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2121caa1f0b1SHans Wippel return -EOPNOTSUPP; 2122caa1f0b1SHans Wippel 2123caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2124caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2125caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2126caa1f0b1SHans Wippel 2127caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2128caa1f0b1SHans Wippel return rc; 2129caa1f0b1SHans Wippel } 2130caa1f0b1SHans Wippel 2131349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2132349d13d5SHans Wippel * supports timeout 2133349d13d5SHans Wippel */ 2134349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2135349d13d5SHans Wippel { 2136349d13d5SHans Wippel int rc = 0; 2137349d13d5SHans Wippel 2138349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2139349d13d5SHans Wippel 2140349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2141349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2142349d13d5SHans Wippel return -EBUSY; 2143349d13d5SHans Wippel 2144349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2145349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2146349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2147349d13d5SHans Wippel return -EOPNOTSUPP; 2148349d13d5SHans Wippel 2149349d13d5SHans Wippel /* do we need to do anything? */ 2150349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2151349d13d5SHans Wippel return rc; 2152349d13d5SHans Wippel 2153349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2154349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2155349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2156349d13d5SHans Wippel return rc; 2157349d13d5SHans Wippel } 2158349d13d5SHans Wippel 2159349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2160349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2161349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2162349d13d5SHans Wippel if (!rc) 2163349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2164349d13d5SHans Wippel 2165349d13d5SHans Wippel return rc; 2166349d13d5SHans Wippel } 2167349d13d5SHans Wippel 2168349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2169349d13d5SHans Wippel * learning supports timeout 2170349d13d5SHans Wippel */ 2171349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2172349d13d5SHans Wippel { 2173349d13d5SHans Wippel int rc = 0; 2174349d13d5SHans Wippel 2175349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2176349d13d5SHans Wippel 2177349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2178349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2179349d13d5SHans Wippel return -EBUSY; 2180349d13d5SHans Wippel 2181349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2182349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2183349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2184349d13d5SHans Wippel return -EOPNOTSUPP; 2185349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2186349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2187349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2188349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2189349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2190349d13d5SHans Wippel timeout); 2191349d13d5SHans Wippel 2192349d13d5SHans Wippel return rc; 2193349d13d5SHans Wippel } 2194349d13d5SHans Wippel 2195caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2196caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2197caa1f0b1SHans Wippel { 2198caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2199caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2200caa1f0b1SHans Wippel return false; 2201caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2202caa1f0b1SHans Wippel * or the card is offline. 2203caa1f0b1SHans Wippel */ 2204caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2205caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2206caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2207caa1f0b1SHans Wippel return false; 2208caa1f0b1SHans Wippel } 2209caa1f0b1SHans Wippel return true; 2210caa1f0b1SHans Wippel } 2211caa1f0b1SHans Wippel 2212349d13d5SHans Wippel /* recover user timeout setting */ 2213349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2214349d13d5SHans Wippel u32 *timeout) 2215349d13d5SHans Wippel { 2216349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2217349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2218349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2219349d13d5SHans Wippel timeout)) 2220349d13d5SHans Wippel return false; 2221349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2222349d13d5SHans Wippel return true; 2223349d13d5SHans Wippel } 2224349d13d5SHans Wippel 2225caa1f0b1SHans Wippel /* recover user characteristic setting */ 2226caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2227caa1f0b1SHans Wippel bool enable) 2228caa1f0b1SHans Wippel { 2229caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2230caa1f0b1SHans Wippel 2231caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2232caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2233caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2234caa1f0b1SHans Wippel return false; 2235caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2236caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2237caa1f0b1SHans Wippel return true; 2238caa1f0b1SHans Wippel } 2239caa1f0b1SHans Wippel 2240a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2241a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2242a45b3fafSHans Wippel { 2243349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2244caa1f0b1SHans Wippel unsigned int chars_len, i; 2245caa1f0b1SHans Wippel unsigned long chars_tmp; 2246caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2247caa1f0b1SHans Wippel bool enable, error; 2248caa1f0b1SHans Wippel 2249a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2250caa1f0b1SHans Wippel /* reset rx_bcast */ 2251caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2252a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2253a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2254349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2255349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2256caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2257caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2258a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2259a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2260caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2261caa1f0b1SHans Wippel return; 2262a45b3fafSHans Wippel } 2263caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2264caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2265caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2266caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2267caa1f0b1SHans Wippel vnicc = BIT(i); 2268caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2269349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2270349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2271349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2272caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2273caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2274caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2275caa1f0b1SHans Wippel } 2276caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2277349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2278349d13d5SHans Wippel timeout); 2279caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2280caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2281caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2282caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2283caa1f0b1SHans Wippel vnicc = BIT(i); 2284caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2285caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2286caa1f0b1SHans Wippel } 2287caa1f0b1SHans Wippel if (error) 2288caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2289caa1f0b1SHans Wippel } 2290caa1f0b1SHans Wippel 2291caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2292caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2293caa1f0b1SHans Wippel { 2294caa1f0b1SHans Wippel /* characteristics values */ 2295caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2296caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2297349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2298caa1f0b1SHans Wippel /* supported commands */ 2299caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2300349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2301caa1f0b1SHans Wippel /* settings wanted by users */ 2302caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2303a45b3fafSHans Wippel } 2304a45b3fafSHans Wippel 23054a71df50SFrank Blaschka module_init(qeth_l2_init); 23064a71df50SFrank Blaschka module_exit(qeth_l2_exit); 23074a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 23084a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 23094a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2310