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> 204a71df50SFrank Blaschka #include <linux/ip.h> 21ccffad25SJiri Pirko #include <linux/list.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 23fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 24ec61bd2fSJulian Wiedmann #include <asm/setup.h> 254a71df50SFrank Blaschka #include "qeth_core.h" 26b4d72c08SEugene Crosser #include "qeth_l2.h" 274a71df50SFrank Blaschka 284a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 294a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 30fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *); 31c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 32c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 33c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 34c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 35c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 36caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 37a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 38349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 39349d13d5SHans Wippel u32 *timeout); 404a71df50SFrank Blaschka 414a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 424a71df50SFrank Blaschka { 434a71df50SFrank Blaschka struct qeth_card *card; 444a71df50SFrank Blaschka struct net_device *ndev; 45f06f6f32SCornelia Huck __u16 temp_dev_no; 464a71df50SFrank Blaschka unsigned long flags; 47f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 484a71df50SFrank Blaschka 494a71df50SFrank Blaschka ndev = NULL; 504a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 514a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 524a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 53f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 54f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 554a71df50SFrank Blaschka ndev = card->dev; 564a71df50SFrank Blaschka break; 574a71df50SFrank Blaschka } 584a71df50SFrank Blaschka } 594a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 604a71df50SFrank Blaschka return ndev; 614a71df50SFrank Blaschka } 624a71df50SFrank Blaschka 632aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 644a71df50SFrank Blaschka { 65efbbc1d5SEugene Crosser int rc; 664a71df50SFrank Blaschka 67efbbc1d5SEugene Crosser if (retcode) 681aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 69efbbc1d5SEugene Crosser switch (retcode) { 70efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 71efbbc1d5SEugene Crosser rc = 0; 72efbbc1d5SEugene Crosser break; 73efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 74ffb95251SEugene Crosser rc = -EOPNOTSUPP; 75efbbc1d5SEugene Crosser break; 76efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 77efbbc1d5SEugene Crosser rc = -ENOSPC; 78efbbc1d5SEugene Crosser break; 79efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 80efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 81efbbc1d5SEugene Crosser rc = -EEXIST; 82efbbc1d5SEugene Crosser break; 83efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 84efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 85efbbc1d5SEugene Crosser rc = -EPERM; 86efbbc1d5SEugene Crosser break; 87efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 88efbbc1d5SEugene Crosser rc = -ENOENT; 89efbbc1d5SEugene Crosser break; 901aec42bcSThomas Richter case -ENOMEM: 911aec42bcSThomas Richter rc = -ENOMEM; 921aec42bcSThomas Richter break; 93efbbc1d5SEugene Crosser default: 94efbbc1d5SEugene Crosser rc = -EIO; 95efbbc1d5SEugene Crosser break; 964a71df50SFrank Blaschka } 97efbbc1d5SEugene Crosser return rc; 984a71df50SFrank Blaschka } 994a71df50SFrank Blaschka 100ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 101ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 102ac988d78SJulian Wiedmann { 103ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 104ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 105ac988d78SJulian Wiedmann 106ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 107ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 108ac988d78SJulian Wiedmann if (!iob) 109ac988d78SJulian Wiedmann return -ENOMEM; 110ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 11199f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 11299f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 1132aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 114ac988d78SJulian Wiedmann NULL, NULL)); 115ac988d78SJulian Wiedmann } 116ac988d78SJulian Wiedmann 117ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 118ac988d78SJulian Wiedmann { 119ac988d78SJulian Wiedmann int rc; 120ac988d78SJulian Wiedmann 121ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 122ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 123ac988d78SJulian Wiedmann if (rc == 0) { 124ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 125ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 126bcacfcbcSJulian Wiedmann mac, card->dev->name); 127ac988d78SJulian Wiedmann } else { 128ac988d78SJulian Wiedmann switch (rc) { 129ac988d78SJulian Wiedmann case -EEXIST: 130ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 131ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 132ac988d78SJulian Wiedmann break; 133ac988d78SJulian Wiedmann case -EPERM: 134ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 135ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 136ac988d78SJulian Wiedmann break; 137ac988d78SJulian Wiedmann } 138ac988d78SJulian Wiedmann } 139ac988d78SJulian Wiedmann return rc; 140ac988d78SJulian Wiedmann } 141ac988d78SJulian Wiedmann 1428174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) 1434a71df50SFrank Blaschka { 1448174aa8aSJulian Wiedmann enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? 1458174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; 146efbbc1d5SEugene Crosser int rc; 147efbbc1d5SEugene Crosser 1488174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1498174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 150efbbc1d5SEugene Crosser if (rc == -EEXIST) 1518174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC %pM already registered on %s\n", 152efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card)); 153efbbc1d5SEugene Crosser else if (rc) 1548174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC %pM on %s: %d\n", 155efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 156efbbc1d5SEugene Crosser return rc; 1574a71df50SFrank Blaschka } 1584a71df50SFrank Blaschka 1598174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1604a71df50SFrank Blaschka { 1618174aa8aSJulian Wiedmann enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? 1628174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 163efbbc1d5SEugene Crosser int rc; 164efbbc1d5SEugene Crosser 1658174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1668174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 167efbbc1d5SEugene Crosser if (rc) 1688174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC %pM on %s: %d\n", 169efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 170efbbc1d5SEugene Crosser return rc; 1714a71df50SFrank Blaschka } 1724a71df50SFrank Blaschka 173c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1744a71df50SFrank Blaschka { 175fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 176fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 177fe5c8028SLakhvich Dmitriy int i; 1784a71df50SFrank Blaschka 1794a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 180fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 181fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 182fe5c8028SLakhvich Dmitriy kfree(mac); 1834a71df50SFrank Blaschka } 1844a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 1854a71df50SFrank Blaschka } 1864a71df50SFrank Blaschka 187cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 1884a71df50SFrank Blaschka { 189ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 190ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 191ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 192ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 193ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 194ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 195ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 1964a71df50SFrank Blaschka } 1974a71df50SFrank Blaschka 198cef6ff22SJulian Wiedmann static void qeth_l2_hdr_csum(struct qeth_card *card, struct qeth_hdr *hdr, 199cef6ff22SJulian Wiedmann struct sk_buff *skb) 2004d7def2aSThomas Richter { 2014d7def2aSThomas Richter struct iphdr *iph = ip_hdr(skb); 2024d7def2aSThomas Richter 2034d7def2aSThomas Richter /* tcph->check contains already the pseudo hdr checksum 2044d7def2aSThomas Richter * so just set the header flags 2054d7def2aSThomas Richter */ 2064d7def2aSThomas Richter if (iph->protocol == IPPROTO_UDP) 2074d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_UDP; 2084d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_CSUM_TRANSP_REQ | 2094d7def2aSThomas Richter QETH_HDR_EXT_CSUM_HDR_REQ; 2104d7def2aSThomas Richter iph->check = 0; 2114d7def2aSThomas Richter if (card->options.performance_stats) 2124d7def2aSThomas Richter card->perf_stats.tx_csum++; 2134d7def2aSThomas Richter } 2144d7def2aSThomas Richter 215ae79fe03SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_hdr *hdr, struct sk_buff *skb, 216ae79fe03SJulian Wiedmann int cast_type, unsigned int data_len) 2174a71df50SFrank Blaschka { 218683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2194a71df50SFrank Blaschka 2204a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2214a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 222ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 2234a71df50SFrank Blaschka 2244a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2254a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2264a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2274a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2284a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2294a71df50SFrank Blaschka else 230ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2314a71df50SFrank Blaschka 2324a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2334a71df50SFrank Blaschka * information to be present in 2344a71df50SFrank Blaschka * the QDIO header */ 2354a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2364a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2374a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2384a71df50SFrank Blaschka } 2394a71df50SFrank Blaschka } 2404a71df50SFrank Blaschka 2412aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2424a71df50SFrank Blaschka { 2432aa48671SJulian Wiedmann if (retcode) 2442aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2452aa48671SJulian Wiedmann 2462aa48671SJulian Wiedmann switch (retcode) { 2472aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2482aa48671SJulian Wiedmann return 0; 2492aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2502aa48671SJulian Wiedmann return -EINVAL; 2512aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2522aa48671SJulian Wiedmann return -EEXIST; 2532aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2542aa48671SJulian Wiedmann return -ENOENT; 2552aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2562aa48671SJulian Wiedmann return -EPERM; 2572aa48671SJulian Wiedmann case -ENOMEM: 2582aa48671SJulian Wiedmann return -ENOMEM; 2592aa48671SJulian Wiedmann default: 2602aa48671SJulian Wiedmann return -EIO; 2612aa48671SJulian Wiedmann } 2622aa48671SJulian Wiedmann } 2632aa48671SJulian Wiedmann 2642aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2652aa48671SJulian Wiedmann struct qeth_reply *reply, 2662aa48671SJulian Wiedmann unsigned long data) 2672aa48671SJulian Wiedmann { 2682aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2694a71df50SFrank Blaschka 270847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2714a71df50SFrank Blaschka if (cmd->hdr.return_code) { 2722aa48671SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x.\n", 2732aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 2744a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 275847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 276847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2774a71df50SFrank Blaschka } 2784a71df50SFrank Blaschka return 0; 2794a71df50SFrank Blaschka } 2804a71df50SFrank Blaschka 2814a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2824a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2834a71df50SFrank Blaschka { 2844a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2854a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2864a71df50SFrank Blaschka 287847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2884a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2891aec42bcSThomas Richter if (!iob) 2901aec42bcSThomas Richter return -ENOMEM; 291ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2924a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 2932aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 2942aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 2954a71df50SFrank Blaschka } 2964a71df50SFrank Blaschka 29770919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 2984a71df50SFrank Blaschka { 2994a71df50SFrank Blaschka struct qeth_vlan_vid *id; 300847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 3014a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3024a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 30370919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 3044a71df50SFrank Blaschka } 3054a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3064a71df50SFrank Blaschka } 3074a71df50SFrank Blaschka 30880d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 30980d5c368SPatrick McHardy __be16 proto, u16 vid) 3104a71df50SFrank Blaschka { 311509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3124a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3131aec42bcSThomas Richter int rc; 3144a71df50SFrank Blaschka 315847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 31610651db7SUrsula Braun if (!vid) 3178e586137SJiri Pirko return 0; 3188e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 319847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 3208e586137SJiri Pirko return 0; 3218e98ac48SUrsula Braun } 3224a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3234a71df50SFrank Blaschka if (id) { 3244a71df50SFrank Blaschka id->vid = vid; 3251aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3261aec42bcSThomas Richter if (rc) { 3271aec42bcSThomas Richter kfree(id); 3281aec42bcSThomas Richter return rc; 3291aec42bcSThomas Richter } 3304a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3314a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3324a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3338e586137SJiri Pirko } else { 3348e586137SJiri Pirko return -ENOMEM; 3354a71df50SFrank Blaschka } 3368e586137SJiri Pirko return 0; 3374a71df50SFrank Blaschka } 3384a71df50SFrank Blaschka 33980d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 34080d5c368SPatrick McHardy __be16 proto, u16 vid) 3414a71df50SFrank Blaschka { 3424a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 343509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3441aec42bcSThomas Richter int rc = 0; 3454a71df50SFrank Blaschka 346847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3478e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 348847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3498e586137SJiri Pirko return 0; 3508e98ac48SUrsula Braun } 3514a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3524a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3534a71df50SFrank Blaschka if (id->vid == vid) { 3544a71df50SFrank Blaschka list_del(&id->list); 3554a71df50SFrank Blaschka tmpid = id; 3564a71df50SFrank Blaschka break; 3574a71df50SFrank Blaschka } 3584a71df50SFrank Blaschka } 3594a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3604a71df50SFrank Blaschka if (tmpid) { 3611aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3624a71df50SFrank Blaschka kfree(tmpid); 3634a71df50SFrank Blaschka } 364fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 3651aec42bcSThomas Richter return rc; 3664a71df50SFrank Blaschka } 3674a71df50SFrank Blaschka 368b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3694a71df50SFrank Blaschka { 370d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 371d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3724a71df50SFrank Blaschka 3734a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3744a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3754a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3764a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3774a71df50SFrank Blaschka if (recovery_mode && 3784a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3794a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3804a71df50SFrank Blaschka } else { 3814a71df50SFrank Blaschka rtnl_lock(); 3824a71df50SFrank Blaschka dev_close(card->dev); 3834a71df50SFrank Blaschka rtnl_unlock(); 3844a71df50SFrank Blaschka } 38570919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 3864a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3874a71df50SFrank Blaschka } 3884a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 389c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 3904a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3914a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3924a71df50SFrank Blaschka } 3934a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3944a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3954a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 3964a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 3974a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 3984a71df50SFrank Blaschka } 3994a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 4004a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 4014a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 4024a71df50SFrank Blaschka } 4034a71df50SFrank Blaschka } 4044a71df50SFrank Blaschka 405a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 406a1c3ed4cSFrank Blaschka int budget, int *done) 4074a71df50SFrank Blaschka { 408a1c3ed4cSFrank Blaschka int work_done = 0; 4094a71df50SFrank Blaschka struct sk_buff *skb; 4104a71df50SFrank Blaschka struct qeth_hdr *hdr; 4114a71df50SFrank Blaschka unsigned int len; 4124a71df50SFrank Blaschka 413a1c3ed4cSFrank Blaschka *done = 0; 41418af5c17SStefan Raspl WARN_ON_ONCE(!budget); 415a1c3ed4cSFrank Blaschka while (budget) { 416a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 417b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 418a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 419a1c3ed4cSFrank Blaschka if (!skb) { 420a1c3ed4cSFrank Blaschka *done = 1; 421a1c3ed4cSFrank Blaschka break; 4224a71df50SFrank Blaschka } 4234a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4244a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4254a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4264d7def2aSThomas Richter if ((card->dev->features & NETIF_F_RXCSUM) 4274d7def2aSThomas Richter && ((hdr->hdr.l2.flags[1] & 4284d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4294d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ)) == 4304d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4314d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ))) 4324d7def2aSThomas Richter skb->ip_summed = CHECKSUM_UNNECESSARY; 4334d7def2aSThomas Richter else 4344a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_NONE; 43512883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4364a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4374a71df50SFrank Blaschka len = skb->len; 4389abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 4394a71df50SFrank Blaschka break; 4404a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4412d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4424a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4434a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4444a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4454a71df50SFrank Blaschka len = skb->len; 4464a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4474a71df50SFrank Blaschka break; 4482d488c2fSUrsula Braun } 4492d488c2fSUrsula Braun /* else unknown */ 4504a71df50SFrank Blaschka default: 4514a71df50SFrank Blaschka dev_kfree_skb_any(skb); 452847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 453d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4544a71df50SFrank Blaschka continue; 4554a71df50SFrank Blaschka } 456a1c3ed4cSFrank Blaschka work_done++; 457a1c3ed4cSFrank Blaschka budget--; 4584a71df50SFrank Blaschka card->stats.rx_packets++; 4594a71df50SFrank Blaschka card->stats.rx_bytes += len; 4604a71df50SFrank Blaschka } 461a1c3ed4cSFrank Blaschka return work_done; 462a1c3ed4cSFrank Blaschka } 463a1c3ed4cSFrank Blaschka 4644a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4654a71df50SFrank Blaschka { 4664a71df50SFrank Blaschka int rc = 0; 4674a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 4684a71df50SFrank Blaschka 469ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 470d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 4714a71df50SFrank Blaschka 472ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 473ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 474ec61bd2fSJulian Wiedmann if (!rc) 475ec61bd2fSJulian Wiedmann goto out; 476ec61bd2fSJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %s: x%x\n", 477ec61bd2fSJulian Wiedmann CARD_BUS_ID(card), rc); 478ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 479ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 480ec61bd2fSJulian Wiedmann } 481ec61bd2fSJulian Wiedmann 4825113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_IQD || 4835113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 4845113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX || 4855113fec0SUrsula Braun card->info.guestlan) { 4864a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 4874a71df50SFrank Blaschka if (rc) { 48814cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "couldn't get MAC address on " 48914cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 4901aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 4914a71df50SFrank Blaschka return rc; 4924a71df50SFrank Blaschka } 4934a71df50SFrank Blaschka } else { 4941833611dSJoe Perches eth_random_addr(card->dev->dev_addr); 4954a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 4964a71df50SFrank Blaschka } 497ec61bd2fSJulian Wiedmann out: 498ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 4994a71df50SFrank Blaschka return 0; 5004a71df50SFrank Blaschka } 5014a71df50SFrank Blaschka 5024a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 5034a71df50SFrank Blaschka { 5044a71df50SFrank Blaschka struct sockaddr *addr = p; 505509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 506bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN]; 5074a71df50SFrank Blaschka int rc = 0; 5084a71df50SFrank Blaschka 509847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 5104a71df50SFrank Blaschka 5115113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 5125113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 5135113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 514847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 5154a71df50SFrank Blaschka return -EOPNOTSUPP; 5164a71df50SFrank Blaschka } 51799f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 518bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data)) 519bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL; 520bcacfcbcSJulian Wiedmann 5218e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 522847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 5238e98ac48SUrsula Braun return -ERESTARTSYS; 5248e98ac48SUrsula Braun } 525bcacfcbcSJulian Wiedmann 526bcacfcbcSJulian Wiedmann if (!qeth_card_hw_is_reachable(card)) { 527bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 528bcacfcbcSJulian Wiedmann return 0; 529bcacfcbcSJulian Wiedmann } 530bcacfcbcSJulian Wiedmann 531bcacfcbcSJulian Wiedmann /* don't register the same address twice */ 532bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && 533bcacfcbcSJulian Wiedmann (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 534bcacfcbcSJulian Wiedmann return 0; 535bcacfcbcSJulian Wiedmann 536bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */ 5374a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 538bcacfcbcSJulian Wiedmann if (rc) 539bcacfcbcSJulian Wiedmann return rc; 540bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr); 541bcacfcbcSJulian Wiedmann ether_addr_copy(dev->dev_addr, addr->sa_data); 542bcacfcbcSJulian Wiedmann 543bcacfcbcSJulian Wiedmann if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) 544bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr); 545bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 546bcacfcbcSJulian Wiedmann return 0; 5474a71df50SFrank Blaschka } 5484a71df50SFrank Blaschka 5490db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5500db587b0SEugene Crosser { 5510db587b0SEugene Crosser struct net_device *dev = card->dev; 5520db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5530db587b0SEugene Crosser int role; 5540db587b0SEugene Crosser int rc; 5550db587b0SEugene Crosser 5560db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5570db587b0SEugene Crosser 5580db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5590db587b0SEugene Crosser return; 5600db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5610db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5620db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5630db587b0SEugene Crosser return; 5640db587b0SEugene Crosser 5650db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5660db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5670db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5680db587b0SEugene Crosser else 5690db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5700db587b0SEugene Crosser } else 5710db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5720db587b0SEugene Crosser 5730db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5740db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5750db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5760db587b0SEugene Crosser if (!rc) { 5770db587b0SEugene Crosser card->options.sbp.role = role; 5780db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5790db587b0SEugene Crosser } 580fe5c8028SLakhvich Dmitriy 581fe5c8028SLakhvich Dmitriy } 582fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 583fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 584fe5c8028SLakhvich Dmitriy * 585fe5c8028SLakhvich Dmitriy */ 5864641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 587fe5c8028SLakhvich Dmitriy { 588cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 589fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 590fe5c8028SLakhvich Dmitriy 591cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 59299f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5935f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 594fe5c8028SLakhvich Dmitriy return; 595fe5c8028SLakhvich Dmitriy } 5960db587b0SEugene Crosser } 5970db587b0SEugene Crosser 598fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 599fe5c8028SLakhvich Dmitriy if (!mac) 600fe5c8028SLakhvich Dmitriy return; 601fe5c8028SLakhvich Dmitriy 60299f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 6035f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 604fe5c8028SLakhvich Dmitriy 605cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 606fe5c8028SLakhvich Dmitriy } 607fe5c8028SLakhvich Dmitriy 608fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 6094a71df50SFrank Blaschka { 610509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 611ccffad25SJiri Pirko struct netdev_hw_addr *ha; 612fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 613fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 614fe5c8028SLakhvich Dmitriy int i; 615fe5c8028SLakhvich Dmitriy int rc; 6164a71df50SFrank Blaschka 6174a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6184a71df50SFrank Blaschka return; 6194a71df50SFrank Blaschka 620847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 6218e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 6228e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 6238e98ac48SUrsula Braun return; 624fe5c8028SLakhvich Dmitriy 6254a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 626fe5c8028SLakhvich Dmitriy 62722bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 6284641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 62932e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 6304641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 631fe5c8028SLakhvich Dmitriy 632fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 63300c163f1SJulian Wiedmann switch (mac->disp_flag) { 63400c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 6358174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 636fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 637fe5c8028SLakhvich Dmitriy kfree(mac); 63800c163f1SJulian Wiedmann break; 63900c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 6408174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 641fe5c8028SLakhvich Dmitriy if (rc) { 642fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 643fe5c8028SLakhvich Dmitriy kfree(mac); 64400c163f1SJulian Wiedmann break; 64500c163f1SJulian Wiedmann } 64600c163f1SJulian Wiedmann /* fall through */ 64700c163f1SJulian Wiedmann default: 64800c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 6495f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 65000c163f1SJulian Wiedmann } 651fe5c8028SLakhvich Dmitriy } 6527db2266aSFrank Blaschka 6534a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 654fe5c8028SLakhvich Dmitriy 6550db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6564a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6570db587b0SEugene Crosser else 6580db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6594a71df50SFrank Blaschka } 6604a71df50SFrank Blaschka 6617286384bSJulian Wiedmann static int qeth_l2_xmit_iqd(struct qeth_card *card, struct sk_buff *skb, 6627286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6637286384bSJulian Wiedmann { 6647286384bSJulian Wiedmann unsigned int data_offset = ETH_HLEN; 6657286384bSJulian Wiedmann struct qeth_hdr *hdr; 6667286384bSJulian Wiedmann int rc; 6677286384bSJulian Wiedmann 6687286384bSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 6697286384bSJulian Wiedmann if (!hdr) 6707286384bSJulian Wiedmann return -ENOMEM; 671ae79fe03SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len); 6727286384bSJulian Wiedmann skb_copy_from_linear_data(skb, ((char *)hdr) + sizeof(*hdr), 6737286384bSJulian Wiedmann data_offset); 6747286384bSJulian Wiedmann 6757286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 1, data_offset)) { 6767286384bSJulian Wiedmann rc = -E2BIG; 6777286384bSJulian Wiedmann goto out; 6787286384bSJulian Wiedmann } 6797c2e9ba3SJulian Wiedmann rc = qeth_do_send_packet_fast(queue, skb, hdr, data_offset, 680f1588177SJulian Wiedmann sizeof(*hdr) + data_offset); 6817286384bSJulian Wiedmann out: 6827286384bSJulian Wiedmann if (rc) 6837286384bSJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 6847286384bSJulian Wiedmann return rc; 6857286384bSJulian Wiedmann } 6867286384bSJulian Wiedmann 6877286384bSJulian Wiedmann static int qeth_l2_xmit_osa(struct qeth_card *card, struct sk_buff *skb, 6887286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6897286384bSJulian Wiedmann { 6900d6f02d3SJulian Wiedmann int push_len = sizeof(struct qeth_hdr); 6917286384bSJulian Wiedmann unsigned int elements, nr_frags; 6920d6f02d3SJulian Wiedmann unsigned int hdr_elements = 0; 6930d6f02d3SJulian Wiedmann struct qeth_hdr *hdr = NULL; 6940d6f02d3SJulian Wiedmann unsigned int hd_len = 0; 6957286384bSJulian Wiedmann int rc; 6967286384bSJulian Wiedmann 6977286384bSJulian Wiedmann /* fix hardware limitation: as long as we do not have sbal 6987286384bSJulian Wiedmann * chaining we can not send long frag lists 6997286384bSJulian Wiedmann */ 7007286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 0, 0)) { 7017286384bSJulian Wiedmann rc = skb_linearize(skb); 7027286384bSJulian Wiedmann 7037286384bSJulian Wiedmann if (card->options.performance_stats) { 7047286384bSJulian Wiedmann if (rc) 7057286384bSJulian Wiedmann card->perf_stats.tx_linfail++; 7067286384bSJulian Wiedmann else 7077286384bSJulian Wiedmann card->perf_stats.tx_lin++; 7087286384bSJulian Wiedmann } 7097286384bSJulian Wiedmann if (rc) 7107286384bSJulian Wiedmann return rc; 7117286384bSJulian Wiedmann } 7127286384bSJulian Wiedmann nr_frags = skb_shinfo(skb)->nr_frags; 7137286384bSJulian Wiedmann 7140d6f02d3SJulian Wiedmann rc = skb_cow_head(skb, push_len); 7150d6f02d3SJulian Wiedmann if (rc) 7160d6f02d3SJulian Wiedmann return rc; 7170d6f02d3SJulian Wiedmann push_len = qeth_push_hdr(skb, &hdr, push_len); 7180d6f02d3SJulian Wiedmann if (push_len < 0) 7190d6f02d3SJulian Wiedmann return push_len; 7200d6f02d3SJulian Wiedmann if (!push_len) { 7210d6f02d3SJulian Wiedmann /* hdr was allocated from cache */ 7220d6f02d3SJulian Wiedmann hd_len = sizeof(*hdr); 7230d6f02d3SJulian Wiedmann hdr_elements = 1; 7240d6f02d3SJulian Wiedmann } 7250d6f02d3SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len - push_len); 7260d6f02d3SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 7270d6f02d3SJulian Wiedmann qeth_l2_hdr_csum(card, hdr, skb); 7287286384bSJulian Wiedmann 7290d6f02d3SJulian Wiedmann elements = qeth_get_elements_no(card, skb, hdr_elements, 0); 7307286384bSJulian Wiedmann if (!elements) { 7317286384bSJulian Wiedmann rc = -E2BIG; 7327286384bSJulian Wiedmann goto out; 7337286384bSJulian Wiedmann } 7340d6f02d3SJulian Wiedmann elements += hdr_elements; 7350d6f02d3SJulian Wiedmann 7360d6f02d3SJulian Wiedmann /* TODO: remove the skb_orphan() once TX completion is fast enough */ 7370d6f02d3SJulian Wiedmann skb_orphan(skb); 7380d6f02d3SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, 0, hd_len, elements); 7397286384bSJulian Wiedmann out: 7407286384bSJulian Wiedmann if (!rc) { 7417286384bSJulian Wiedmann if (card->options.performance_stats && nr_frags) { 7427286384bSJulian Wiedmann card->perf_stats.sg_skbs_sent++; 7437286384bSJulian Wiedmann /* nr_frags + skb->data */ 7447286384bSJulian Wiedmann card->perf_stats.sg_frags_sent += nr_frags + 1; 7457286384bSJulian Wiedmann } 7467286384bSJulian Wiedmann } else { 7470d6f02d3SJulian Wiedmann if (hd_len) 7480d6f02d3SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 7490d6f02d3SJulian Wiedmann if (rc == -EBUSY) 7500d6f02d3SJulian Wiedmann /* roll back to ETH header */ 7510d6f02d3SJulian Wiedmann skb_pull(skb, push_len); 7527286384bSJulian Wiedmann } 7537286384bSJulian Wiedmann return rc; 7547286384bSJulian Wiedmann } 7557286384bSJulian Wiedmann 7567286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 7577286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 7587286384bSJulian Wiedmann { 7597286384bSJulian Wiedmann unsigned int elements; 7607286384bSJulian Wiedmann struct qeth_hdr *hdr; 7617286384bSJulian Wiedmann 7627286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 7637286384bSJulian Wiedmann return -EPROTONOSUPPORT; 7647286384bSJulian Wiedmann 7657286384bSJulian Wiedmann hdr = (struct qeth_hdr *)skb->data; 7667286384bSJulian Wiedmann elements = qeth_get_elements_no(card, skb, 0, 0); 7677286384bSJulian Wiedmann if (!elements) 7687286384bSJulian Wiedmann return -E2BIG; 7697286384bSJulian Wiedmann if (qeth_hdr_chk_and_bounce(skb, &hdr, sizeof(*hdr))) 7707286384bSJulian Wiedmann return -EINVAL; 7719c3bfda9SJulian Wiedmann return qeth_do_send_packet(card, queue, skb, hdr, 0, 0, elements); 7727286384bSJulian Wiedmann } 7737286384bSJulian Wiedmann 774e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 775e38db6beSJulian Wiedmann struct net_device *dev) 7764a71df50SFrank Blaschka { 777509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 778ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 779290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 7804a71df50SFrank Blaschka int tx_bytes = skb->len; 7817286384bSJulian Wiedmann int rc; 7824a71df50SFrank Blaschka 783290b8348SStefan Raspl if (card->qdio.do_prio_queueing || (cast_type && 784290b8348SStefan Raspl card->info.is_multicast_different)) 785290b8348SStefan Raspl queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb, 786290b8348SStefan Raspl qeth_get_ip_version(skb), cast_type)]; 787290b8348SStefan Raspl else 788290b8348SStefan Raspl queue = card->qdio.out_qs[card->qdio.default_out_queue]; 789290b8348SStefan Raspl 7904a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 7914a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 7924a71df50SFrank Blaschka goto tx_drop; 7934a71df50SFrank Blaschka } 7944a71df50SFrank Blaschka 7954a71df50SFrank Blaschka if (card->options.performance_stats) { 7964a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 7974a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 7984a71df50SFrank Blaschka } 7994a71df50SFrank Blaschka netif_stop_queue(dev); 8004a71df50SFrank Blaschka 8017286384bSJulian Wiedmann switch (card->info.type) { 8027286384bSJulian Wiedmann case QETH_CARD_TYPE_OSN: 8037286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 8047286384bSJulian Wiedmann break; 8057286384bSJulian Wiedmann case QETH_CARD_TYPE_IQD: 8067286384bSJulian Wiedmann rc = qeth_l2_xmit_iqd(card, skb, queue, cast_type); 8077286384bSJulian Wiedmann break; 8087286384bSJulian Wiedmann default: 8097286384bSJulian Wiedmann rc = qeth_l2_xmit_osa(card, skb, queue, cast_type); 810683d718aSFrank Blaschka } 8114a71df50SFrank Blaschka 8124a71df50SFrank Blaschka if (!rc) { 8134a71df50SFrank Blaschka card->stats.tx_packets++; 8144a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 8154a71df50SFrank Blaschka if (card->options.performance_stats) 8164a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 8174a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 8187286384bSJulian Wiedmann netif_wake_queue(dev); 8197286384bSJulian Wiedmann return NETDEV_TX_OK; 8207286384bSJulian Wiedmann } else if (rc == -EBUSY) { 8217286384bSJulian Wiedmann return NETDEV_TX_BUSY; 8227286384bSJulian Wiedmann } /* else fall through */ 8234a71df50SFrank Blaschka 8244a71df50SFrank Blaschka tx_drop: 8254a71df50SFrank Blaschka card->stats.tx_dropped++; 8264a71df50SFrank Blaschka card->stats.tx_errors++; 8274a71df50SFrank Blaschka dev_kfree_skb_any(skb); 828d0ec0f54SFrank Blaschka netif_wake_queue(dev); 8294a71df50SFrank Blaschka return NETDEV_TX_OK; 8304a71df50SFrank Blaschka } 8314a71df50SFrank Blaschka 83239423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 8334a71df50SFrank Blaschka { 834509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 835a1c3ed4cSFrank Blaschka int rc = 0; 8364a71df50SFrank Blaschka 837847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 83839423440SUrsula Braun if (card->state == CARD_STATE_UP) 83939423440SUrsula Braun return rc; 8404a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 8414a71df50SFrank Blaschka return -ENODEV; 8424a71df50SFrank Blaschka 8434a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 8444a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 845847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 8464a71df50SFrank Blaschka return -EPERM; 8474a71df50SFrank Blaschka } 8484a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 8494a71df50SFrank Blaschka card->state = CARD_STATE_UP; 8504a71df50SFrank Blaschka netif_start_queue(dev); 8514a71df50SFrank Blaschka 852a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 853a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 854a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 855a1c3ed4cSFrank Blaschka } else 856a1c3ed4cSFrank Blaschka rc = -EIO; 857a1c3ed4cSFrank Blaschka return rc; 8584a71df50SFrank Blaschka } 8594a71df50SFrank Blaschka 86039423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 86139423440SUrsula Braun { 86239423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 86339423440SUrsula Braun 86439423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 86539423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 86639423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 86739423440SUrsula Braun return -ERESTARTSYS; 86839423440SUrsula Braun } 86939423440SUrsula Braun return __qeth_l2_open(dev); 87039423440SUrsula Braun } 87139423440SUrsula Braun 8724a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 8734a71df50SFrank Blaschka { 874509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 8754a71df50SFrank Blaschka 876847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 8774a71df50SFrank Blaschka netif_tx_disable(dev); 878a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 8794a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 880a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 881a1c3ed4cSFrank Blaschka } 8824a71df50SFrank Blaschka return 0; 8834a71df50SFrank Blaschka } 8844a71df50SFrank Blaschka 8852d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 8862d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 8872d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 8882d2ebb3eSJulian Wiedmann }; 8892d2ebb3eSJulian Wiedmann 8904a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 8914a71df50SFrank Blaschka { 8924a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8939111e788SUrsula Braun int rc; 8944a71df50SFrank Blaschka 8952d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 8969111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 8979111e788SUrsula Braun if (rc) 8989111e788SUrsula Braun return rc; 8992d2ebb3eSJulian Wiedmann } 9004a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 901fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 9024a71df50SFrank Blaschka card->options.layer2 = 1; 9031da74b1cSFrank Blaschka card->info.hwtrap = 0; 904caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 9054a71df50SFrank Blaschka return 0; 9064a71df50SFrank Blaschka } 9074a71df50SFrank Blaschka 9084a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 9094a71df50SFrank Blaschka { 9104a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 9114a71df50SFrank Blaschka 9122d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 913b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 914f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 9154a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 9164a71df50SFrank Blaschka 91770919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 9184a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 9194a71df50SFrank Blaschka 9204a71df50SFrank Blaschka if (card->dev) { 9214a71df50SFrank Blaschka unregister_netdev(card->dev); 9226be68739SJulian Wiedmann free_netdev(card->dev); 9234a71df50SFrank Blaschka card->dev = NULL; 9244a71df50SFrank Blaschka } 9254a71df50SFrank Blaschka return; 9264a71df50SFrank Blaschka } 9274a71df50SFrank Blaschka 9280fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 9294a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 9304a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9314a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 932df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9334a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 934993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 9354a71df50SFrank Blaschka }; 9364a71df50SFrank Blaschka 9370fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 9384a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9394a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 940df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9414a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 9424a71df50SFrank Blaschka }; 9434a71df50SFrank Blaschka 9443d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 9458403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 9468403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 9478403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 9488403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 9496d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 9508403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 951fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 952942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 9538403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 9548403b13cSFrank Blaschka .ndo_change_mtu = qeth_change_mtu, 9558403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 9568403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 9578403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 9588f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 9598f43fb00SThomas Richter .ndo_set_features = qeth_set_features 9608403b13cSFrank Blaschka }; 9618403b13cSFrank Blaschka 9624a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 9634a71df50SFrank Blaschka { 9644a71df50SFrank Blaschka switch (card->info.type) { 9654a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 966c835a677STom Gundersen card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, 967c835a677STom Gundersen ether_setup); 9684a71df50SFrank Blaschka break; 9694a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 970c835a677STom Gundersen card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN, 971c835a677STom Gundersen ether_setup); 9724a71df50SFrank Blaschka break; 9734a71df50SFrank Blaschka default: 9744a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 9754a71df50SFrank Blaschka } 9764a71df50SFrank Blaschka 9774a71df50SFrank Blaschka if (!card->dev) 9784a71df50SFrank Blaschka return -ENODEV; 9794a71df50SFrank Blaschka 980509e2562SHeiko Carstens card->dev->ml_priv = card; 981d3aacac4SJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 9824a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 9834a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 98446b3ef4cSJarod Wilson card->dev->min_mtu = 64; 98546b3ef4cSJarod Wilson card->dev->max_mtu = ETH_MAX_MTU; 9868403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 98725e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 98825e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 98925e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 99025e2c341SJulian Wiedmann } else { 99125e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 99225e2c341SJulian Wiedmann } 9939400c53fSJulian Wiedmann 9949400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 9959400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 9969400c53fSJulian Wiedmann else 997f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 9980f342945SJulian Wiedmann 9990f342945SJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 10000f342945SJulian Wiedmann card->info.type != QETH_CARD_TYPE_IQD) { 10010f342945SJulian Wiedmann card->dev->priv_flags &= ~IFF_TX_SKB_SHARING; 10020f342945SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 10030f342945SJulian Wiedmann card->dev->hw_features |= NETIF_F_SG; 10040f342945SJulian Wiedmann card->dev->vlan_features |= NETIF_F_SG; 10050f342945SJulian Wiedmann } 10060f342945SJulian Wiedmann 10074d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 10086d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 10098f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 10109bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 10118f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 10129bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 10139bdc4411SHans Wippel } 10149bdc4411SHans Wippel if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { 10158f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_RXCSUM; 10169bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_RXCSUM; 10179bdc4411SHans Wippel } 10184d7def2aSThomas Richter } 10190d6f02d3SJulian Wiedmann 10204a71df50SFrank Blaschka card->info.broadcast_capable = 1; 10214a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 10224a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 1023d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 1024e5ebe632SUrsula Braun netif_carrier_off(card->dev); 10254a71df50SFrank Blaschka return register_netdev(card->dev); 10264a71df50SFrank Blaschka } 10274a71df50SFrank Blaschka 10284d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 10294d7def2aSThomas Richter { 10304d7def2aSThomas Richter /* configure isolation level */ 10314d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 10324d7def2aSThomas Richter return -ENODEV; 10334d7def2aSThomas Richter return 0; 10344d7def2aSThomas Richter } 10354d7def2aSThomas Richter 1036521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 1037521c10eaSJulian Wiedmann { 1038a45b3fafSHans Wippel /* Set BridgePort features */ 1039a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 1040521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 1041521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 1042a45b3fafSHans Wippel /* VNIC Characteristics features */ 1043a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 1044a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 1045a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 1046521c10eaSJulian Wiedmann } 1047521c10eaSJulian Wiedmann 10484a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 10494a71df50SFrank Blaschka { 10504a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 10514a71df50SFrank Blaschka int rc = 0; 10524a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10534a71df50SFrank Blaschka 10549dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1055c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1056d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 1057d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 10584a71df50SFrank Blaschka 10594a71df50SFrank Blaschka recover_flag = card->state; 10604a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 10614a71df50SFrank Blaschka if (rc) { 10621aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 1063aa909224SUrsula Braun rc = -ENODEV; 10644a71df50SFrank Blaschka goto out_remove; 10654a71df50SFrank Blaschka } 1066c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 1067c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 1068c044dc21SEugene Crosser dev_info(&card->gdev->dev, 10699c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 10704a71df50SFrank Blaschka 1071aa909224SUrsula Braun if (!card->dev && qeth_l2_setup_netdev(card)) { 1072aa909224SUrsula Braun rc = -ENODEV; 10734a71df50SFrank Blaschka goto out_remove; 1074aa909224SUrsula Braun } 10754a71df50SFrank Blaschka 1076bcacfcbcSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 1077bcacfcbcSJulian Wiedmann !qeth_l2_send_setmac(card, card->dev->dev_addr)) 1078bcacfcbcSJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 10794a71df50SFrank Blaschka 10801da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 10811da74b1cSFrank Blaschka if (card->info.hwtrap && 10821da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 10831da74b1cSFrank Blaschka card->info.hwtrap = 0; 10841da74b1cSFrank Blaschka } else 10851da74b1cSFrank Blaschka card->info.hwtrap = 0; 10861da74b1cSFrank Blaschka 1087a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 1088a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 1089a45b3fafSHans Wippel 1090a45b3fafSHans Wippel qeth_trace_features(card); 1091a45b3fafSHans Wippel qeth_l2_trace_features(card); 1092a45b3fafSHans Wippel 1093b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 1094b4d72c08SEugene Crosser 10954a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 10964a71df50SFrank Blaschka qeth_print_status_message(card); 10974a71df50SFrank Blaschka 10984a71df50SFrank Blaschka /* softsetup */ 1099d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 11004a71df50SFrank Blaschka 11015113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 11020f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 11038f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 11048f43fb00SThomas Richter if (rc) 11050f54761dSStefan Raspl goto out_remove; 11060f54761dSStefan Raspl } 11075113fec0SUrsula Braun 11089400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 110970919e23SUrsula Braun qeth_l2_process_vlans(card); 11104a71df50SFrank Blaschka 11114a71df50SFrank Blaschka netif_tx_disable(card->dev); 11124a71df50SFrank Blaschka 11134a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 11144a71df50SFrank Blaschka if (rc) { 1115d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 1116aa909224SUrsula Braun rc = -ENODEV; 11174a71df50SFrank Blaschka goto out_remove; 11184a71df50SFrank Blaschka } 11194a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 11202b6203bbSUrsula Braun if (card->lan_online) 11214a71df50SFrank Blaschka netif_carrier_on(card->dev); 11222b6203bbSUrsula Braun else 11232b6203bbSUrsula Braun netif_carrier_off(card->dev); 11244a71df50SFrank Blaschka 11254a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 11264a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 11274a71df50SFrank Blaschka if (recovery_mode && 11284a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 112939423440SUrsula Braun __qeth_l2_open(card->dev); 11304a71df50SFrank Blaschka } else { 11314a71df50SFrank Blaschka rtnl_lock(); 11324a71df50SFrank Blaschka dev_open(card->dev); 11334a71df50SFrank Blaschka rtnl_unlock(); 11344a71df50SFrank Blaschka } 11354a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 1136fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 1137e830baa9SHans Wippel rtnl_lock(); 1138e830baa9SHans Wippel qeth_recover_features(card->dev); 1139e830baa9SHans Wippel rtnl_unlock(); 11404a71df50SFrank Blaschka } 11414a71df50SFrank Blaschka /* let user_space know that device is online */ 11424a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1143c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11449dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 11454a71df50SFrank Blaschka return 0; 1146aa909224SUrsula Braun 11474a71df50SFrank Blaschka out_remove: 11484a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 11494a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 11504a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 11514a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 115222ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11534a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 11544a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11554a71df50SFrank Blaschka else 11564a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1157c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11589dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1159aa909224SUrsula Braun return rc; 11604a71df50SFrank Blaschka } 11614a71df50SFrank Blaschka 11624a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 11634a71df50SFrank Blaschka { 11644a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 11654a71df50SFrank Blaschka } 11664a71df50SFrank Blaschka 11674a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 11684a71df50SFrank Blaschka int recovery_mode) 11694a71df50SFrank Blaschka { 11704a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 11714a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 11724a71df50SFrank Blaschka enum qeth_card_states recover_flag; 11734a71df50SFrank Blaschka 11749dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1175c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1176d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1177d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 11784a71df50SFrank Blaschka 11794a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 11804a71df50SFrank Blaschka netif_carrier_off(card->dev); 11814a71df50SFrank Blaschka recover_flag = card->state; 11821da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 11831da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 11841da74b1cSFrank Blaschka card->info.hwtrap = 1; 11851da74b1cSFrank Blaschka } 11860f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 11874a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 11884a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 11894a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 11904a71df50SFrank Blaschka if (!rc) 11914a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 11924a71df50SFrank Blaschka if (rc) 1193d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 119422ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11954a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 11964a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11974a71df50SFrank Blaschka /* let user_space know that device is offline */ 11984a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1199c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 12009dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 12014a71df50SFrank Blaschka return 0; 12024a71df50SFrank Blaschka } 12034a71df50SFrank Blaschka 12044a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 12054a71df50SFrank Blaschka { 12064a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 12074a71df50SFrank Blaschka } 12084a71df50SFrank Blaschka 12094a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 12104a71df50SFrank Blaschka { 12114a71df50SFrank Blaschka struct qeth_card *card; 12124a71df50SFrank Blaschka int rc = 0; 12134a71df50SFrank Blaschka 12144a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1215847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 12164a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 12174a71df50SFrank Blaschka return 0; 1218847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 121974eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 122074eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 122165d8013cSStefan Raspl qeth_set_recovery_task(card); 12224a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 12234a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 12244a71df50SFrank Blaschka if (!rc) 122574eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 122674eacdb9SFrank Blaschka "Device successfully recovered!\n"); 122728a7e4c9SUrsula Braun else { 12280f54761dSStefan Raspl qeth_close_dev(card); 122974eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 123074eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 123128a7e4c9SUrsula Braun } 123265d8013cSStefan Raspl qeth_clear_recovery_task(card); 1233a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1234a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 12354a71df50SFrank Blaschka return 0; 12364a71df50SFrank Blaschka } 12374a71df50SFrank Blaschka 12384a71df50SFrank Blaschka static int __init qeth_l2_init(void) 12394a71df50SFrank Blaschka { 124074eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 12414a71df50SFrank Blaschka return 0; 12424a71df50SFrank Blaschka } 12434a71df50SFrank Blaschka 12444a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 12454a71df50SFrank Blaschka { 124674eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 12474a71df50SFrank Blaschka } 12484a71df50SFrank Blaschka 1249bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1250bbcfcdc8SFrank Blaschka { 1251bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1252bbcfcdc8SFrank Blaschka 1253bbcfcdc8SFrank Blaschka if (card->dev) 1254bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1255bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1256bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1257bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1258bbcfcdc8SFrank Blaschka return 0; 1259bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 12601da74b1cSFrank Blaschka if (card->info.hwtrap) 12611da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1262bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1263bbcfcdc8SFrank Blaschka } else 1264bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1265bbcfcdc8SFrank Blaschka return 0; 1266bbcfcdc8SFrank Blaschka } 1267bbcfcdc8SFrank Blaschka 1268bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1269bbcfcdc8SFrank Blaschka { 1270bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1271bbcfcdc8SFrank Blaschka int rc = 0; 1272bbcfcdc8SFrank Blaschka 1273bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1274bbcfcdc8SFrank Blaschka goto out; 1275bbcfcdc8SFrank Blaschka 1276bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1277bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1278bbcfcdc8SFrank Blaschka if (rc) { 1279bbcfcdc8SFrank Blaschka rtnl_lock(); 1280bbcfcdc8SFrank Blaschka dev_close(card->dev); 1281bbcfcdc8SFrank Blaschka rtnl_unlock(); 1282bbcfcdc8SFrank Blaschka } 1283bbcfcdc8SFrank Blaschka } else 1284bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 1285bbcfcdc8SFrank Blaschka out: 1286bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1287bbcfcdc8SFrank Blaschka if (card->dev) 1288bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1289bbcfcdc8SFrank Blaschka if (rc) 1290bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1291bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1292bbcfcdc8SFrank Blaschka return rc; 1293bbcfcdc8SFrank Blaschka } 1294bbcfcdc8SFrank Blaschka 1295c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1296c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1297c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1298c044dc21SEugene Crosser { 1299c044dc21SEugene Crosser switch (cmd->hdr.command) { 13009c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 13019c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1302c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1303c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1304c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1305c044dc21SEugene Crosser return 0; 1306c044dc21SEugene Crosser } else 1307c044dc21SEugene Crosser return 1; 1308c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1309c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1310c044dc21SEugene Crosser return 0; 1311c044dc21SEugene Crosser default: 1312c044dc21SEugene Crosser return 1; 1313c044dc21SEugene Crosser } 1314c044dc21SEugene Crosser } 1315c044dc21SEugene Crosser 1316c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 13172d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1318c041f2d4SSebastian Ott .start_poll = qeth_qdio_start_poll, 1319c041f2d4SSebastian Ott .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, 1320c041f2d4SSebastian Ott .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, 1321d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1322c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1323c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 13244a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 13254a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 13264a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1327bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1328bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1329bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1330942d6984SJulian Wiedmann .do_ioctl = NULL, 1331c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 13324a71df50SFrank Blaschka }; 1333c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 13344a71df50SFrank Blaschka 13354a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 13364a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 13374a71df50SFrank Blaschka { 13384a71df50SFrank Blaschka unsigned long flags; 13394a71df50SFrank Blaschka int rc = 0; 13404a71df50SFrank Blaschka 1341847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 13424a71df50SFrank Blaschka 13434a71df50SFrank Blaschka wait_event(card->wait_q, 13444a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 13454a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1346847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 13474a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 1348db71bbbdSJulian Wiedmann rc = ccw_device_start_timeout(CARD_WDEV(card), &card->write.ccw, 1349db71bbbdSJulian Wiedmann (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); 13504a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 13514a71df50SFrank Blaschka if (rc) { 135214cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 13534a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1354847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 13554a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 13564a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 13574a71df50SFrank Blaschka wake_up(&card->wait_q); 13584a71df50SFrank Blaschka } 13594a71df50SFrank Blaschka return rc; 13604a71df50SFrank Blaschka } 13614a71df50SFrank Blaschka 13624a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 13634a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 13644a71df50SFrank Blaschka { 13654a71df50SFrank Blaschka u16 s1, s2; 13664a71df50SFrank Blaschka 1367847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 13684a71df50SFrank Blaschka 13694a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 13704a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 13714a71df50SFrank Blaschka s2 = (u16)data_len; 13724a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 13734a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 13744a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 13754a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 13764a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 13774a71df50SFrank Blaschka } 13784a71df50SFrank Blaschka 13794a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 13804a71df50SFrank Blaschka { 13814a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 13824a71df50SFrank Blaschka struct qeth_card *card; 13834a71df50SFrank Blaschka 13844a71df50SFrank Blaschka if (!dev) 13854a71df50SFrank Blaschka return -ENODEV; 1386509e2562SHeiko Carstens card = dev->ml_priv; 13874a71df50SFrank Blaschka if (!card) 13884a71df50SFrank Blaschka return -ENODEV; 1389847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1390c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 13914a71df50SFrank Blaschka return -ENODEV; 13924a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1393ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1394ff5caa7aSJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob, data_len); 13954a71df50SFrank Blaschka } 13964a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 13974a71df50SFrank Blaschka 13984a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 13994a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 14004a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 14014a71df50SFrank Blaschka { 14024a71df50SFrank Blaschka struct qeth_card *card; 14034a71df50SFrank Blaschka 14044a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 14054a71df50SFrank Blaschka if (*dev == NULL) 14064a71df50SFrank Blaschka return -ENODEV; 1407509e2562SHeiko Carstens card = (*dev)->ml_priv; 14084a71df50SFrank Blaschka if (!card) 14094a71df50SFrank Blaschka return -ENODEV; 1410847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 14114a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 14124a71df50SFrank Blaschka return -EINVAL; 14134a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 14144a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 14154a71df50SFrank Blaschka return 0; 14164a71df50SFrank Blaschka } 14174a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 14184a71df50SFrank Blaschka 14194a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 14204a71df50SFrank Blaschka { 14214a71df50SFrank Blaschka struct qeth_card *card; 14224a71df50SFrank Blaschka 14234a71df50SFrank Blaschka if (!dev) 14244a71df50SFrank Blaschka return; 1425509e2562SHeiko Carstens card = dev->ml_priv; 14264a71df50SFrank Blaschka if (!card) 14274a71df50SFrank Blaschka return; 1428847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 14294a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 14304a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 14314a71df50SFrank Blaschka return; 14324a71df50SFrank Blaschka } 14334a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 14344a71df50SFrank Blaschka 1435b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1436b4d72c08SEugene Crosser 14379f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 14389f48b9dbSEugene Crosser 14399f48b9dbSEugene Crosser /** 14409f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 14419f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 14429f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 14439f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 14449f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 14459f48b9dbSEugene Crosser * object, 0 - addition of an object. 14469f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 14479f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 14489f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 14499f48b9dbSEugene Crosser * 14509f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 14519f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 14529f48b9dbSEugene Crosser * for all currently registered addresses. 14539f48b9dbSEugene Crosser */ 14549f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 14559f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 14569f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 14579f48b9dbSEugene Crosser { 14589f48b9dbSEugene Crosser char str[7][32]; 14599f48b9dbSEugene Crosser char *env[8]; 14609f48b9dbSEugene Crosser int i = 0; 14619f48b9dbSEugene Crosser 14629f48b9dbSEugene Crosser switch (evtype) { 14639f48b9dbSEugene Crosser case anev_reg_unreg: 14649f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 14659f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 14669f48b9dbSEugene Crosser ? "deregister" : "register"); 14679f48b9dbSEugene Crosser env[i] = str[i]; i++; 14689f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 14699f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 14709f48b9dbSEugene Crosser addr_lnid->lnid); 14719f48b9dbSEugene Crosser env[i] = str[i]; i++; 14729f48b9dbSEugene Crosser } 14739f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 14749846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 14759846e70bSEugene Crosser addr_lnid->mac); 14769f48b9dbSEugene Crosser env[i] = str[i]; i++; 14779f48b9dbSEugene Crosser } 14789f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 14799f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 14809f48b9dbSEugene Crosser env[i] = str[i]; i++; 14819f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 14829f48b9dbSEugene Crosser env[i] = str[i]; i++; 14839f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 14849f48b9dbSEugene Crosser token->chpid); 14859f48b9dbSEugene Crosser env[i] = str[i]; i++; 14869f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 14879f48b9dbSEugene Crosser env[i] = str[i]; i++; 14889f48b9dbSEugene Crosser break; 14899f48b9dbSEugene Crosser case anev_abort: 14909f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 14919f48b9dbSEugene Crosser env[i] = str[i]; i++; 14929f48b9dbSEugene Crosser break; 14939f48b9dbSEugene Crosser case anev_reset: 14949f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 14959f48b9dbSEugene Crosser env[i] = str[i]; i++; 14969f48b9dbSEugene Crosser break; 14979f48b9dbSEugene Crosser } 14989f48b9dbSEugene Crosser env[i] = NULL; 14999f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 15009f48b9dbSEugene Crosser } 15019f48b9dbSEugene Crosser 1502b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1503b4d72c08SEugene Crosser struct work_struct worker; 1504b4d72c08SEugene Crosser struct qeth_card *card; 1505b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1506b4d72c08SEugene Crosser }; 1507b4d72c08SEugene Crosser 1508b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1509b4d72c08SEugene Crosser { 1510b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1511b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1512b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1513b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1514b4d72c08SEugene Crosser char env_locrem[32]; 1515b4d72c08SEugene Crosser char env_role[32]; 1516b4d72c08SEugene Crosser char env_state[32]; 1517b4d72c08SEugene Crosser char *env[] = { 1518b4d72c08SEugene Crosser env_locrem, 1519b4d72c08SEugene Crosser env_role, 1520b4d72c08SEugene Crosser env_state, 1521b4d72c08SEugene Crosser NULL 1522b4d72c08SEugene Crosser }; 1523b4d72c08SEugene Crosser 1524b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1525b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1526b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1527b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1528b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1529b4d72c08SEugene Crosser 1530b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1531b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1532b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1533b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1534b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1535b4d72c08SEugene Crosser "<INVALID>"); 1536b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1537b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1538b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1539b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1540b4d72c08SEugene Crosser "<INVALID>"); 1541b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1542b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1543b4d72c08SEugene Crosser kfree(data); 1544b4d72c08SEugene Crosser } 1545b4d72c08SEugene Crosser 1546c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1547c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1548b4d72c08SEugene Crosser { 1549b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1550b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1551b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1552b4d72c08SEugene Crosser int extrasize; 1553b4d72c08SEugene Crosser 1554b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1555b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 15568a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1557b4d72c08SEugene Crosser return; 1558b4d72c08SEugene Crosser } 1559b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1560b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1561b4d72c08SEugene Crosser GFP_ATOMIC); 1562b4d72c08SEugene Crosser if (!data) { 1563b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1564b4d72c08SEugene Crosser return; 1565b4d72c08SEugene Crosser } 1566b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1567b4d72c08SEugene Crosser data->card = card; 1568b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1569b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1570b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1571b4d72c08SEugene Crosser } 1572b4d72c08SEugene Crosser 15739f48b9dbSEugene Crosser struct qeth_bridge_host_data { 15749f48b9dbSEugene Crosser struct work_struct worker; 15759f48b9dbSEugene Crosser struct qeth_card *card; 15769f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 15779f48b9dbSEugene Crosser }; 15789f48b9dbSEugene Crosser 15799f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 15809f48b9dbSEugene Crosser { 15819f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 15829f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 15839f48b9dbSEugene Crosser int i; 15849f48b9dbSEugene Crosser 15859f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 15869f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 15879c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 15889f48b9dbSEugene Crosser data->card->dev->name, 15899f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 15909f48b9dbSEugene Crosser ? "Overflow" 15919f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 15929f48b9dbSEugene Crosser ? "Bridge port state change" 15939f48b9dbSEugene Crosser : "Unknown reason"); 15949f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 15959f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 15969f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 15979f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 15989f48b9dbSEugene Crosser 0, NULL, NULL); 15999f48b9dbSEugene Crosser } else 16009f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 16019f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 16029f48b9dbSEugene Crosser &data->hostevs.entry[i]; 16039f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 16049f48b9dbSEugene Crosser anev_reg_unreg, 16059f48b9dbSEugene Crosser entry->change_code, 16069f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 16079f48b9dbSEugene Crosser } 16089f48b9dbSEugene Crosser kfree(data); 16099f48b9dbSEugene Crosser } 16109f48b9dbSEugene Crosser 1611c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1612c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 16139f48b9dbSEugene Crosser { 16149f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 16159f48b9dbSEugene Crosser &cmd->data.addrchange; 16169f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 16179f48b9dbSEugene Crosser int extrasize; 16189f48b9dbSEugene Crosser 16199f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 16209f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 16219f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 16229f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 16239f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 16249f48b9dbSEugene Crosser } else { 16259f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 16269f48b9dbSEugene Crosser cmd->hdr.return_code); 16279f48b9dbSEugene Crosser return; 16289f48b9dbSEugene Crosser } 16299f48b9dbSEugene Crosser } 16309f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 16319f48b9dbSEugene Crosser hostevs->num_entries; 16329f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 16339f48b9dbSEugene Crosser GFP_ATOMIC); 16349f48b9dbSEugene Crosser if (!data) { 16359f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 16369f48b9dbSEugene Crosser return; 16379f48b9dbSEugene Crosser } 16389f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 16399f48b9dbSEugene Crosser data->card = card; 16409f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 16419f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 16429f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 16439f48b9dbSEugene Crosser } 16449f48b9dbSEugene Crosser 1645b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1646b4d72c08SEugene Crosser 1647b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1648b4d72c08SEugene Crosser u16 ipa_rc; 1649b4d72c08SEugene Crosser u16 cmd_rc; 1650b4d72c08SEugene Crosser union { 1651b4d72c08SEugene Crosser u32 supported; 1652b4d72c08SEugene Crosser struct { 1653b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1654b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1655b4d72c08SEugene Crosser } qports; 1656b4d72c08SEugene Crosser } data; 1657b4d72c08SEugene Crosser }; 1658b4d72c08SEugene Crosser 1659b4d72c08SEugene Crosser /** 1660b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1661b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1662b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1663b4d72c08SEugene Crosser * @setcmd: IPA command code 1664b4d72c08SEugene Crosser * 1665b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1666b4d72c08SEugene Crosser */ 1667b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1668b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1669b4d72c08SEugene Crosser { 1670b4d72c08SEugene Crosser int rc; 16719c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1672b4d72c08SEugene Crosser 16739c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 16749c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1675b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 16762063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1677b4d72c08SEugene Crosser rc = 0; 1678b4d72c08SEugene Crosser break; 16792063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 16802063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1681ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1682b4d72c08SEugene Crosser break; 16832063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 16842063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1685b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1686b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16879c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1688b4d72c08SEugene Crosser break; 16892063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 16902063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 16911b05cf62SEugene Crosser rc = -EPERM; 16921b05cf62SEugene Crosser dev_err(&card->gdev->dev, 16931b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 16941b05cf62SEugene Crosser break; 16952063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 16962063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1697b4d72c08SEugene Crosser switch (setcmd) { 1698b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1699b4d72c08SEugene Crosser rc = -EEXIST; 1700b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17019c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1702b4d72c08SEugene Crosser break; 1703b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1704b4d72c08SEugene Crosser rc = -EBUSY; 1705b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17069c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1707b4d72c08SEugene Crosser break; 1708b4d72c08SEugene Crosser default: 1709b4d72c08SEugene Crosser rc = -EIO; 1710b4d72c08SEugene Crosser } 1711b4d72c08SEugene Crosser break; 17122063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 17132063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1714b4d72c08SEugene Crosser rc = -EBUSY; 1715b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17169c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1717b4d72c08SEugene Crosser break; 17182063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 17192063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1720b4d72c08SEugene Crosser rc = -EEXIST; 1721b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17229c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1723b4d72c08SEugene Crosser break; 17242063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 17252063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1726b4d72c08SEugene Crosser rc = -EBUSY; 1727b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17289c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1729b4d72c08SEugene Crosser break; 17302063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 17312063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1732b4d72c08SEugene Crosser rc = -EACCES; 1733b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17349c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1735b4d72c08SEugene Crosser break; 1736b4d72c08SEugene Crosser default: 1737b4d72c08SEugene Crosser rc = -EIO; 1738b4d72c08SEugene Crosser } 17399c23f4daSEugene Crosser else 17409c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1741b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1742ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1743b4d72c08SEugene Crosser break; 1744b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1745ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1746b4d72c08SEugene Crosser break; 1747b4d72c08SEugene Crosser default: 1748b4d72c08SEugene Crosser rc = -EIO; 1749b4d72c08SEugene Crosser } 17509c23f4daSEugene Crosser 1751b4d72c08SEugene Crosser if (rc) { 1752b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1753b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1754b4d72c08SEugene Crosser } 1755b4d72c08SEugene Crosser return rc; 1756b4d72c08SEugene Crosser } 1757b4d72c08SEugene Crosser 1758d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1759d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1760d65626adSJulian Wiedmann unsigned int cmd_length) 17619c23f4daSEugene Crosser { 1762d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 17639c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 17649c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1765d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1766d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1767d65626adSJulian Wiedmann 1768d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1769d65626adSJulian Wiedmann if (!iob) 1770d65626adSJulian Wiedmann return iob; 1771ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1772d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1773d65626adSJulian Wiedmann cmd_length; 1774d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1775d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1776d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1777d65626adSJulian Wiedmann return iob; 17789c23f4daSEugene Crosser } 17799c23f4daSEugene Crosser 1780b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1781b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1782b4d72c08SEugene Crosser { 1783b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1784b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1785b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1786b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1787b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1788b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1789b4d72c08SEugene Crosser cbctl->data.supported = 1790b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1791b4d72c08SEugene Crosser } else { 1792b4d72c08SEugene Crosser cbctl->data.supported = 0; 1793b4d72c08SEugene Crosser } 1794b4d72c08SEugene Crosser return 0; 1795b4d72c08SEugene Crosser } 1796b4d72c08SEugene Crosser 1797b4d72c08SEugene Crosser /** 1798b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1799b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1800b4d72c08SEugene Crosser * 1801b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1802b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1803b4d72c08SEugene Crosser */ 1804c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1805b4d72c08SEugene Crosser { 1806b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1807b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1808b4d72c08SEugene Crosser 1809b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1810d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1811d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 18121aec42bcSThomas Richter if (!iob) 18131aec42bcSThomas Richter return; 1814b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1815b4d72c08SEugene Crosser (void *)&cbctl) || 1816b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1817b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1818b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1819b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1820b4d72c08SEugene Crosser return; 1821b4d72c08SEugene Crosser } 1822b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1823b4d72c08SEugene Crosser } 1824b4d72c08SEugene Crosser 1825b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1826b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1827b4d72c08SEugene Crosser { 1828b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1829b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1830b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1831b4d72c08SEugene Crosser 1832b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1833b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1834b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1835b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1836b4d72c08SEugene Crosser return 0; 1837b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1838b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1839b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1840b4d72c08SEugene Crosser return 0; 1841b4d72c08SEugene Crosser } 1842b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1843b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1844b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1845b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1846b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1847b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1848b4d72c08SEugene Crosser } 1849b4d72c08SEugene Crosser return 0; 1850b4d72c08SEugene Crosser } 1851b4d72c08SEugene Crosser 1852b4d72c08SEugene Crosser /** 1853b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1854b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1855b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1856b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1857b4d72c08SEugene Crosser * 1858b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1859b4d72c08SEugene Crosser * 1860b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1861b4d72c08SEugene Crosser */ 1862b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1863b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1864b4d72c08SEugene Crosser { 1865b4d72c08SEugene Crosser int rc = 0; 1866b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1867b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1868b4d72c08SEugene Crosser .data = { 1869b4d72c08SEugene Crosser .qports = { 1870b4d72c08SEugene Crosser .role = role, 1871b4d72c08SEugene Crosser .state = state, 1872b4d72c08SEugene Crosser }, 1873b4d72c08SEugene Crosser }, 1874b4d72c08SEugene Crosser }; 1875b4d72c08SEugene Crosser 1876b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1877b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1878b4d72c08SEugene Crosser return -EOPNOTSUPP; 1879d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 18801aec42bcSThomas Richter if (!iob) 18811aec42bcSThomas Richter return -ENOMEM; 1882b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1883b4d72c08SEugene Crosser (void *)&cbctl); 1884c88394e7SEugene Crosser if (rc < 0) 1885b4d72c08SEugene Crosser return rc; 1886c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1887b4d72c08SEugene Crosser } 1888b4d72c08SEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports); 1889b4d72c08SEugene Crosser 1890b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1891b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1892b4d72c08SEugene Crosser { 1893b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1894b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1895b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1896b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1897b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1898b4d72c08SEugene Crosser return 0; 1899b4d72c08SEugene Crosser } 1900b4d72c08SEugene Crosser 1901b4d72c08SEugene Crosser /** 1902b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1903b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1904b4d72c08SEugene Crosser * @role: Role to assign. 1905b4d72c08SEugene Crosser * 1906b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1907b4d72c08SEugene Crosser */ 1908b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1909b4d72c08SEugene Crosser { 1910b4d72c08SEugene Crosser int rc = 0; 1911b4d72c08SEugene Crosser int cmdlength; 1912b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1913b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1914b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1915b4d72c08SEugene Crosser 1916b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1917b4d72c08SEugene Crosser switch (role) { 1918b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1919b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1920d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1921b4d72c08SEugene Crosser break; 1922b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1923b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1924d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1925b4d72c08SEugene Crosser break; 1926b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1927b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1928d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1929b4d72c08SEugene Crosser break; 1930b4d72c08SEugene Crosser default: 1931b4d72c08SEugene Crosser return -EINVAL; 1932b4d72c08SEugene Crosser } 1933b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1934b4d72c08SEugene Crosser return -EOPNOTSUPP; 1935d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 19361aec42bcSThomas Richter if (!iob) 19371aec42bcSThomas Richter return -ENOMEM; 1938b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1939b4d72c08SEugene Crosser (void *)&cbctl); 1940c88394e7SEugene Crosser if (rc < 0) 1941b4d72c08SEugene Crosser return rc; 1942c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1943b4d72c08SEugene Crosser } 1944b4d72c08SEugene Crosser 19459f48b9dbSEugene Crosser /** 19469f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 19479f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 19489f48b9dbSEugene Crosser * 19499f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 19509f48b9dbSEugene Crosser */ 19519f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 19529f48b9dbSEugene Crosser { 19539f48b9dbSEugene Crosser int rc; 19549f48b9dbSEugene Crosser 19559f48b9dbSEugene Crosser if (pnso_rc == 0) 19569f48b9dbSEugene Crosser switch (response) { 19579f48b9dbSEugene Crosser case 0x0001: 19589f48b9dbSEugene Crosser rc = 0; 19599f48b9dbSEugene Crosser break; 19609f48b9dbSEugene Crosser case 0x0004: 19619f48b9dbSEugene Crosser case 0x0100: 19629f48b9dbSEugene Crosser case 0x0106: 1963ffb95251SEugene Crosser rc = -EOPNOTSUPP; 19649f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 19659f48b9dbSEugene Crosser "Setting address notification failed\n"); 19669f48b9dbSEugene Crosser break; 19679f48b9dbSEugene Crosser case 0x0107: 19689f48b9dbSEugene Crosser rc = -EAGAIN; 19699f48b9dbSEugene Crosser break; 19709f48b9dbSEugene Crosser default: 19719f48b9dbSEugene Crosser rc = -EIO; 19729f48b9dbSEugene Crosser } 19739f48b9dbSEugene Crosser else 19749f48b9dbSEugene Crosser rc = -EIO; 19759f48b9dbSEugene Crosser 19769f48b9dbSEugene Crosser if (rc) { 19779f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 19789f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 19799f48b9dbSEugene Crosser } 19809f48b9dbSEugene Crosser return rc; 19819f48b9dbSEugene Crosser } 19829f48b9dbSEugene Crosser 19839f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 19849f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 19859f48b9dbSEugene Crosser { 19869f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 19879f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 19889f48b9dbSEugene Crosser u8 code; 19899f48b9dbSEugene Crosser 19909f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 19919f48b9dbSEugene Crosser WARN_ON_ONCE(1); 19929f48b9dbSEugene Crosser return; 19939f48b9dbSEugene Crosser } 19949f48b9dbSEugene Crosser 19959f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 19969f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 19979f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 19989f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 19999f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 20009f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 20019f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 20029f48b9dbSEugene Crosser } 20039f48b9dbSEugene Crosser 20049f48b9dbSEugene Crosser /** 20059f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 20069f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 20079f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 20089f48b9dbSEugene Crosser * 20099f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 20109f48b9dbSEugene Crosser * 20119f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 20129f48b9dbSEugene Crosser * currently registered hosts. 20139f48b9dbSEugene Crosser */ 20149f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 20159f48b9dbSEugene Crosser { 20169f48b9dbSEugene Crosser int rc; 20179f48b9dbSEugene Crosser u16 response; 20189f48b9dbSEugene Crosser struct ccw_device *ddev; 20199f48b9dbSEugene Crosser struct subchannel_id schid; 20209f48b9dbSEugene Crosser 20219f48b9dbSEugene Crosser if (!card) 20229f48b9dbSEugene Crosser return -EINVAL; 20239f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 20249f48b9dbSEugene Crosser return -EOPNOTSUPP; 20259f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 20269f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 20279f48b9dbSEugene Crosser 20289f48b9dbSEugene Crosser if (enable) { 20299f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 20309f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 20319f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 20329f48b9dbSEugene Crosser } else 20339f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 20349f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 20359f48b9dbSEugene Crosser } 20369f48b9dbSEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set); 20379f48b9dbSEugene Crosser 2038caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 2039caa1f0b1SHans Wippel { 2040caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 2041caa1f0b1SHans Wippel card->options.sbp.hostnotification); 2042caa1f0b1SHans Wippel } 2043caa1f0b1SHans Wippel 2044a45b3fafSHans Wippel /* VNIC Characteristics support */ 2045a45b3fafSHans Wippel 2046a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 2047a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 2048a45b3fafSHans Wippel { 2049a45b3fafSHans Wippel int rc; 2050a45b3fafSHans Wippel 2051a45b3fafSHans Wippel switch (ipa_rc) { 2052a45b3fafSHans Wippel case IPA_RC_SUCCESS: 2053a45b3fafSHans Wippel return ipa_rc; 2054a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 2055a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 2056a45b3fafSHans Wippel rc = -EOPNOTSUPP; 2057a45b3fafSHans Wippel break; 2058a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 2059a45b3fafSHans Wippel rc = -EALREADY; 2060a45b3fafSHans Wippel break; 2061a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 2062a45b3fafSHans Wippel rc = -EBUSY; 2063a45b3fafSHans Wippel break; 2064a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 2065a45b3fafSHans Wippel rc = -ENOSPC; 2066a45b3fafSHans Wippel break; 2067a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 2068a45b3fafSHans Wippel rc = -EACCES; 2069a45b3fafSHans Wippel break; 2070a45b3fafSHans Wippel default: 2071a45b3fafSHans Wippel rc = -EIO; 2072a45b3fafSHans Wippel } 2073a45b3fafSHans Wippel 2074a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 2075a45b3fafSHans Wippel return rc; 2076a45b3fafSHans Wippel } 2077a45b3fafSHans Wippel 2078a45b3fafSHans Wippel /* generic VNICC request call back control */ 2079a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 2080a45b3fafSHans Wippel u32 sub_cmd; 2081caa1f0b1SHans Wippel struct { 2082caa1f0b1SHans Wippel u32 vnic_char; 2083349d13d5SHans Wippel u32 timeout; 2084caa1f0b1SHans Wippel } param; 2085caa1f0b1SHans Wippel struct { 2086349d13d5SHans Wippel union{ 2087caa1f0b1SHans Wippel u32 *sup_cmds; 2088349d13d5SHans Wippel u32 *timeout; 2089349d13d5SHans Wippel }; 2090caa1f0b1SHans Wippel } result; 2091a45b3fafSHans Wippel }; 2092a45b3fafSHans Wippel 2093a45b3fafSHans Wippel /* generic VNICC request call back */ 2094a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 2095a45b3fafSHans Wippel struct qeth_reply *reply, 2096a45b3fafSHans Wippel unsigned long data) 2097a45b3fafSHans Wippel { 2098caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 2099caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 2100a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2101a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 2102a45b3fafSHans Wippel 2103a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 2104a45b3fafSHans Wippel if (cmd->hdr.return_code) 2105a45b3fafSHans Wippel return 0; 2106a45b3fafSHans Wippel /* return results to caller */ 2107a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 2108a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 2109a45b3fafSHans Wippel 2110caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 2111caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 2112caa1f0b1SHans Wippel 2113349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 2114349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 2115349d13d5SHans Wippel 2116a45b3fafSHans Wippel return 0; 2117a45b3fafSHans Wippel } 2118a45b3fafSHans Wippel 2119a45b3fafSHans Wippel /* generic VNICC request */ 2120a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 2121a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 2122a45b3fafSHans Wippel { 2123a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 2124a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 2125a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 2126a45b3fafSHans Wippel int rc; 2127a45b3fafSHans Wippel 2128a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 2129a45b3fafSHans Wippel 2130a45b3fafSHans Wippel /* get new buffer for request */ 2131a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 2132a45b3fafSHans Wippel if (!iob) 2133a45b3fafSHans Wippel return -ENOMEM; 2134a45b3fafSHans Wippel 2135a45b3fafSHans Wippel /* create header for request */ 2136ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2137a45b3fafSHans Wippel req = &cmd->data.vnicc; 2138a45b3fafSHans Wippel 2139a45b3fafSHans Wippel /* create sub command header for request */ 2140a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 2141a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 2142a45b3fafSHans Wippel 2143a45b3fafSHans Wippel /* create sub command specific request fields */ 2144a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 2145a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 2146a45b3fafSHans Wippel break; 2147caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 2148caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 2149caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 2150caa1f0b1SHans Wippel break; 2151caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 2152caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 2153caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 2154caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 2155caa1f0b1SHans Wippel break; 2156349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 2157349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 2158349d13d5SHans Wippel /* fallthrough */ 2159349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 2160349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 2161349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 2162349d13d5SHans Wippel break; 2163a45b3fafSHans Wippel default: 2164a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 2165a45b3fafSHans Wippel return -EOPNOTSUPP; 2166a45b3fafSHans Wippel } 2167a45b3fafSHans Wippel 2168a45b3fafSHans Wippel /* send request */ 2169a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 2170a45b3fafSHans Wippel (void *) cbctl); 2171a45b3fafSHans Wippel 2172a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 2173a45b3fafSHans Wippel } 2174a45b3fafSHans Wippel 2175a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 2176a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 2177a45b3fafSHans Wippel { 2178a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2179a45b3fafSHans Wippel 2180a45b3fafSHans Wippel /* prepare callback control */ 2181a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2182a45b3fafSHans Wippel 2183a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2184a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2185a45b3fafSHans Wippel } 2186a45b3fafSHans Wippel 2187caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2188caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2189caa1f0b1SHans Wippel u32 *sup_cmds) 2190caa1f0b1SHans Wippel { 2191caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2192caa1f0b1SHans Wippel 2193caa1f0b1SHans Wippel /* prepare callback control */ 2194caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2195caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2196caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2197caa1f0b1SHans Wippel 2198caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2199caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2200caa1f0b1SHans Wippel } 2201caa1f0b1SHans Wippel 2202caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2203caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2204caa1f0b1SHans Wippel u32 cmd) 2205caa1f0b1SHans Wippel { 2206caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2207caa1f0b1SHans Wippel 2208caa1f0b1SHans Wippel /* prepare callback control */ 2209caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2210caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2211caa1f0b1SHans Wippel 2212caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2213caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2214caa1f0b1SHans Wippel } 2215caa1f0b1SHans Wippel 2216349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2217349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2218349d13d5SHans Wippel u32 cmd, u32 *timeout) 2219349d13d5SHans Wippel { 2220349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2221349d13d5SHans Wippel 2222349d13d5SHans Wippel /* prepare callback control */ 2223349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2224349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2225349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2226349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2227349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2228349d13d5SHans Wippel cbctl.result.timeout = timeout; 2229349d13d5SHans Wippel 2230349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2231349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2232349d13d5SHans Wippel } 2233349d13d5SHans Wippel 2234caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2235caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2236caa1f0b1SHans Wippel { 2237caa1f0b1SHans Wippel int rc = 0; 2238caa1f0b1SHans Wippel u32 cmd; 2239caa1f0b1SHans Wippel 2240caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2241caa1f0b1SHans Wippel 2242caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2243caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2244caa1f0b1SHans Wippel return -EBUSY; 2245caa1f0b1SHans Wippel 2246caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2247caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2248caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2249caa1f0b1SHans Wippel return -EOPNOTSUPP; 2250caa1f0b1SHans Wippel 2251caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2252caa1f0b1SHans Wippel if (state) { 2253caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2254caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2255caa1f0b1SHans Wippel } else { 2256caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2257caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2258caa1f0b1SHans Wippel } 2259caa1f0b1SHans Wippel 2260caa1f0b1SHans Wippel /* do we need to do anything? */ 2261caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2262caa1f0b1SHans Wippel return rc; 2263caa1f0b1SHans Wippel 2264caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2265caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2266caa1f0b1SHans Wippel if (state) 2267caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2268caa1f0b1SHans Wippel else 2269caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2270caa1f0b1SHans Wippel return rc; 2271caa1f0b1SHans Wippel } 2272caa1f0b1SHans Wippel 2273caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2274caa1f0b1SHans Wippel if (rc) 2275caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2276caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2277349d13d5SHans Wippel else { 2278349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2279349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2280caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2281349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2282349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2283349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2284349d13d5SHans Wippel } 2285caa1f0b1SHans Wippel 2286caa1f0b1SHans Wippel return rc; 2287caa1f0b1SHans Wippel } 2288caa1f0b1SHans Wippel 2289caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2290caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2291caa1f0b1SHans Wippel { 2292caa1f0b1SHans Wippel int rc = 0; 2293caa1f0b1SHans Wippel 2294caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2295caa1f0b1SHans Wippel 2296caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2297caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2298caa1f0b1SHans Wippel return -EBUSY; 2299caa1f0b1SHans Wippel 2300caa1f0b1SHans Wippel /* check if characteristic is supported */ 2301caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2302caa1f0b1SHans Wippel return -EOPNOTSUPP; 2303caa1f0b1SHans Wippel 2304caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2305caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2306caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2307caa1f0b1SHans Wippel 2308caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2309caa1f0b1SHans Wippel return rc; 2310caa1f0b1SHans Wippel } 2311caa1f0b1SHans Wippel 2312349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2313349d13d5SHans Wippel * supports timeout 2314349d13d5SHans Wippel */ 2315349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2316349d13d5SHans Wippel { 2317349d13d5SHans Wippel int rc = 0; 2318349d13d5SHans Wippel 2319349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2320349d13d5SHans Wippel 2321349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2322349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2323349d13d5SHans Wippel return -EBUSY; 2324349d13d5SHans Wippel 2325349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2326349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2327349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2328349d13d5SHans Wippel return -EOPNOTSUPP; 2329349d13d5SHans Wippel 2330349d13d5SHans Wippel /* do we need to do anything? */ 2331349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2332349d13d5SHans Wippel return rc; 2333349d13d5SHans Wippel 2334349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2335349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2336349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2337349d13d5SHans Wippel return rc; 2338349d13d5SHans Wippel } 2339349d13d5SHans Wippel 2340349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2341349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2342349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2343349d13d5SHans Wippel if (!rc) 2344349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2345349d13d5SHans Wippel 2346349d13d5SHans Wippel return rc; 2347349d13d5SHans Wippel } 2348349d13d5SHans Wippel 2349349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2350349d13d5SHans Wippel * learning supports timeout 2351349d13d5SHans Wippel */ 2352349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2353349d13d5SHans Wippel { 2354349d13d5SHans Wippel int rc = 0; 2355349d13d5SHans Wippel 2356349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2357349d13d5SHans Wippel 2358349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2359349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2360349d13d5SHans Wippel return -EBUSY; 2361349d13d5SHans Wippel 2362349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2363349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2364349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2365349d13d5SHans Wippel return -EOPNOTSUPP; 2366349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2367349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2368349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2369349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2370349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2371349d13d5SHans Wippel timeout); 2372349d13d5SHans Wippel 2373349d13d5SHans Wippel return rc; 2374349d13d5SHans Wippel } 2375349d13d5SHans Wippel 2376caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2377caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2378caa1f0b1SHans Wippel { 2379caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2380caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2381caa1f0b1SHans Wippel return false; 2382caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2383caa1f0b1SHans Wippel * or the card is offline. 2384caa1f0b1SHans Wippel */ 2385caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2386caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2387caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2388caa1f0b1SHans Wippel return false; 2389caa1f0b1SHans Wippel } 2390caa1f0b1SHans Wippel return true; 2391caa1f0b1SHans Wippel } 2392caa1f0b1SHans Wippel 2393349d13d5SHans Wippel /* recover user timeout setting */ 2394349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2395349d13d5SHans Wippel u32 *timeout) 2396349d13d5SHans Wippel { 2397349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2398349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2399349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2400349d13d5SHans Wippel timeout)) 2401349d13d5SHans Wippel return false; 2402349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2403349d13d5SHans Wippel return true; 2404349d13d5SHans Wippel } 2405349d13d5SHans Wippel 2406caa1f0b1SHans Wippel /* recover user characteristic setting */ 2407caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2408caa1f0b1SHans Wippel bool enable) 2409caa1f0b1SHans Wippel { 2410caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2411caa1f0b1SHans Wippel 2412caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2413caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2414caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2415caa1f0b1SHans Wippel return false; 2416caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2417caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2418caa1f0b1SHans Wippel return true; 2419caa1f0b1SHans Wippel } 2420caa1f0b1SHans Wippel 2421a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2422a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2423a45b3fafSHans Wippel { 2424349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2425caa1f0b1SHans Wippel unsigned int chars_len, i; 2426caa1f0b1SHans Wippel unsigned long chars_tmp; 2427caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2428caa1f0b1SHans Wippel bool enable, error; 2429caa1f0b1SHans Wippel 2430a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2431caa1f0b1SHans Wippel /* reset rx_bcast */ 2432caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2433a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2434a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2435349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2436349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2437caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2438caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2439a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2440a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2441caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2442caa1f0b1SHans Wippel return; 2443a45b3fafSHans Wippel } 2444caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2445caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2446caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2447caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2448caa1f0b1SHans Wippel vnicc = BIT(i); 2449caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2450349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2451349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2452349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2453caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2454caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2455caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2456caa1f0b1SHans Wippel } 2457caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2458349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2459349d13d5SHans Wippel timeout); 2460caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2461caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2462caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2463caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2464caa1f0b1SHans Wippel vnicc = BIT(i); 2465caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2466caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2467caa1f0b1SHans Wippel } 2468caa1f0b1SHans Wippel if (error) 2469caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2470caa1f0b1SHans Wippel } 2471caa1f0b1SHans Wippel 2472caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2473caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2474caa1f0b1SHans Wippel { 2475caa1f0b1SHans Wippel /* characteristics values */ 2476caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2477caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2478349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2479caa1f0b1SHans Wippel /* supported commands */ 2480caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2481349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2482caa1f0b1SHans Wippel /* settings wanted by users */ 2483caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2484a45b3fafSHans Wippel } 2485a45b3fafSHans Wippel 24864a71df50SFrank Blaschka module_init(qeth_l2_init); 24874a71df50SFrank Blaschka module_exit(qeth_l2_exit); 24884a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 24894a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 24904a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2491