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> 24fe5c8028SLakhvich Dmitriy #include <linux/string.h> 25ec61bd2fSJulian Wiedmann #include <asm/setup.h> 264a71df50SFrank Blaschka #include "qeth_core.h" 27b4d72c08SEugene Crosser #include "qeth_l2.h" 284a71df50SFrank Blaschka 294a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 304a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 31fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *); 32c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 33c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 34c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 35c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 36c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 37caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 38a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 39349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 40349d13d5SHans Wippel u32 *timeout); 414a71df50SFrank Blaschka 424a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 434a71df50SFrank Blaschka { 444a71df50SFrank Blaschka struct qeth_card *card; 454a71df50SFrank Blaschka struct net_device *ndev; 46f06f6f32SCornelia Huck __u16 temp_dev_no; 474a71df50SFrank Blaschka unsigned long flags; 48f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 494a71df50SFrank Blaschka 504a71df50SFrank Blaschka ndev = NULL; 514a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 524a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 534a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 54f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 55f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 564a71df50SFrank Blaschka ndev = card->dev; 574a71df50SFrank Blaschka break; 584a71df50SFrank Blaschka } 594a71df50SFrank Blaschka } 604a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 614a71df50SFrank Blaschka return ndev; 624a71df50SFrank Blaschka } 634a71df50SFrank Blaschka 642aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 654a71df50SFrank Blaschka { 66efbbc1d5SEugene Crosser int rc; 674a71df50SFrank Blaschka 68efbbc1d5SEugene Crosser if (retcode) 691aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 70efbbc1d5SEugene Crosser switch (retcode) { 71efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 72efbbc1d5SEugene Crosser rc = 0; 73efbbc1d5SEugene Crosser break; 74efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 75ffb95251SEugene Crosser rc = -EOPNOTSUPP; 76efbbc1d5SEugene Crosser break; 77efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 78efbbc1d5SEugene Crosser rc = -ENOSPC; 79efbbc1d5SEugene Crosser break; 80efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 81efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 82efbbc1d5SEugene Crosser rc = -EEXIST; 83efbbc1d5SEugene Crosser break; 84efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 85efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 86efbbc1d5SEugene Crosser rc = -EPERM; 87efbbc1d5SEugene Crosser break; 88efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 89efbbc1d5SEugene Crosser rc = -ENOENT; 90efbbc1d5SEugene Crosser break; 911aec42bcSThomas Richter case -ENOMEM: 921aec42bcSThomas Richter rc = -ENOMEM; 931aec42bcSThomas Richter break; 94efbbc1d5SEugene Crosser default: 95efbbc1d5SEugene Crosser rc = -EIO; 96efbbc1d5SEugene Crosser break; 974a71df50SFrank Blaschka } 98efbbc1d5SEugene Crosser return rc; 994a71df50SFrank Blaschka } 1004a71df50SFrank Blaschka 101ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 102ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 103ac988d78SJulian Wiedmann { 104ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 105ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 106ac988d78SJulian Wiedmann 107ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 108ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 109ac988d78SJulian Wiedmann if (!iob) 110ac988d78SJulian Wiedmann return -ENOMEM; 111ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 11299f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN; 11399f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac); 1142aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 115ac988d78SJulian Wiedmann NULL, NULL)); 116ac988d78SJulian Wiedmann } 117ac988d78SJulian Wiedmann 118ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 119ac988d78SJulian Wiedmann { 120ac988d78SJulian Wiedmann int rc; 121ac988d78SJulian Wiedmann 122ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 123ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 124ac988d78SJulian Wiedmann if (rc == 0) { 125ac988d78SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 12699f0b85dSJulian Wiedmann ether_addr_copy(card->dev->dev_addr, mac); 127ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 128ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 129ac988d78SJulian Wiedmann card->dev->dev_addr, card->dev->name); 130ac988d78SJulian Wiedmann } else { 131ac988d78SJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 132ac988d78SJulian Wiedmann switch (rc) { 133ac988d78SJulian Wiedmann case -EEXIST: 134ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 135ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 136ac988d78SJulian Wiedmann break; 137ac988d78SJulian Wiedmann case -EPERM: 138ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 139ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 140ac988d78SJulian Wiedmann break; 141ac988d78SJulian Wiedmann } 142ac988d78SJulian Wiedmann } 143ac988d78SJulian Wiedmann return rc; 144ac988d78SJulian Wiedmann } 145ac988d78SJulian Wiedmann 146ac988d78SJulian Wiedmann static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) 147ac988d78SJulian Wiedmann { 148ac988d78SJulian Wiedmann int rc; 149ac988d78SJulian Wiedmann 150ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Delmac"); 151ac988d78SJulian Wiedmann if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 152ac988d78SJulian Wiedmann return 0; 153ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC); 154ac988d78SJulian Wiedmann if (rc == 0) 155ac988d78SJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 156ac988d78SJulian Wiedmann return rc; 157ac988d78SJulian Wiedmann } 158ac988d78SJulian Wiedmann 1598174aa8aSJulian Wiedmann static int qeth_l2_write_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_SETGMAC : IPA_CMD_SETVMAC; 163efbbc1d5SEugene Crosser int rc; 164efbbc1d5SEugene Crosser 1658174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac"); 1668174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 167efbbc1d5SEugene Crosser if (rc == -EEXIST) 1688174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC %pM already registered on %s\n", 169efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card)); 170efbbc1d5SEugene Crosser else if (rc) 1718174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC %pM on %s: %d\n", 172efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 173efbbc1d5SEugene Crosser return rc; 1744a71df50SFrank Blaschka } 1754a71df50SFrank Blaschka 1768174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) 1774a71df50SFrank Blaschka { 1788174aa8aSJulian Wiedmann enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? 1798174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; 180efbbc1d5SEugene Crosser int rc; 181efbbc1d5SEugene Crosser 1828174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac"); 1838174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd); 184efbbc1d5SEugene Crosser if (rc) 1858174aa8aSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC %pM on %s: %d\n", 186efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 187efbbc1d5SEugene Crosser return rc; 1884a71df50SFrank Blaschka } 1894a71df50SFrank Blaschka 190c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 1914a71df50SFrank Blaschka { 192fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 193fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 194fe5c8028SLakhvich Dmitriy int i; 1954a71df50SFrank Blaschka 1964a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 197fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 198fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 199fe5c8028SLakhvich Dmitriy kfree(mac); 2004a71df50SFrank Blaschka } 2014a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 2024a71df50SFrank Blaschka } 2034a71df50SFrank Blaschka 204cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 2054a71df50SFrank Blaschka { 206ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 207ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 208ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 209ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 210ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 211ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 212ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 2134a71df50SFrank Blaschka } 2144a71df50SFrank Blaschka 215cef6ff22SJulian Wiedmann static void qeth_l2_hdr_csum(struct qeth_card *card, struct qeth_hdr *hdr, 216cef6ff22SJulian Wiedmann struct sk_buff *skb) 2174d7def2aSThomas Richter { 2184d7def2aSThomas Richter struct iphdr *iph = ip_hdr(skb); 2194d7def2aSThomas Richter 2204d7def2aSThomas Richter /* tcph->check contains already the pseudo hdr checksum 2214d7def2aSThomas Richter * so just set the header flags 2224d7def2aSThomas Richter */ 2234d7def2aSThomas Richter if (iph->protocol == IPPROTO_UDP) 2244d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_UDP; 2254d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_CSUM_TRANSP_REQ | 2264d7def2aSThomas Richter QETH_HDR_EXT_CSUM_HDR_REQ; 2274d7def2aSThomas Richter iph->check = 0; 2284d7def2aSThomas Richter if (card->options.performance_stats) 2294d7def2aSThomas Richter card->perf_stats.tx_csum++; 2304d7def2aSThomas Richter } 2314d7def2aSThomas Richter 232ae79fe03SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_hdr *hdr, struct sk_buff *skb, 233ae79fe03SJulian Wiedmann int cast_type, unsigned int data_len) 2344a71df50SFrank Blaschka { 235683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2364a71df50SFrank Blaschka 2374a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2384a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 239ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 2404a71df50SFrank Blaschka 2414a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2424a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2434a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2444a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2454a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2464a71df50SFrank Blaschka else 247ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2484a71df50SFrank Blaschka 2494a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2504a71df50SFrank Blaschka * information to be present in 2514a71df50SFrank Blaschka * the QDIO header */ 2524a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2534a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2544a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2554a71df50SFrank Blaschka } 2564a71df50SFrank Blaschka } 2574a71df50SFrank Blaschka 2582aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2594a71df50SFrank Blaschka { 2602aa48671SJulian Wiedmann if (retcode) 2612aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2622aa48671SJulian Wiedmann 2632aa48671SJulian Wiedmann switch (retcode) { 2642aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2652aa48671SJulian Wiedmann return 0; 2662aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2672aa48671SJulian Wiedmann return -EINVAL; 2682aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2692aa48671SJulian Wiedmann return -EEXIST; 2702aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2712aa48671SJulian Wiedmann return -ENOENT; 2722aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2732aa48671SJulian Wiedmann return -EPERM; 2742aa48671SJulian Wiedmann case -ENOMEM: 2752aa48671SJulian Wiedmann return -ENOMEM; 2762aa48671SJulian Wiedmann default: 2772aa48671SJulian Wiedmann return -EIO; 2782aa48671SJulian Wiedmann } 2792aa48671SJulian Wiedmann } 2802aa48671SJulian Wiedmann 2812aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2822aa48671SJulian Wiedmann struct qeth_reply *reply, 2832aa48671SJulian Wiedmann unsigned long data) 2842aa48671SJulian Wiedmann { 2852aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2864a71df50SFrank Blaschka 287847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2884a71df50SFrank Blaschka if (cmd->hdr.return_code) { 2892aa48671SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x.\n", 2902aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 2914a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 292847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 293847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2944a71df50SFrank Blaschka } 2954a71df50SFrank Blaschka return 0; 2964a71df50SFrank Blaschka } 2974a71df50SFrank Blaschka 2984a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2994a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 3004a71df50SFrank Blaschka { 3014a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 3024a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 3034a71df50SFrank Blaschka 304847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 3054a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 3061aec42bcSThomas Richter if (!iob) 3071aec42bcSThomas Richter return -ENOMEM; 308ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 3094a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 3102aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 3112aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 3124a71df50SFrank Blaschka } 3134a71df50SFrank Blaschka 31470919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 3154a71df50SFrank Blaschka { 3164a71df50SFrank Blaschka struct qeth_vlan_vid *id; 317847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 3184a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3194a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 32070919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 3214a71df50SFrank Blaschka } 3224a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3234a71df50SFrank Blaschka } 3244a71df50SFrank Blaschka 32580d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 32680d5c368SPatrick McHardy __be16 proto, u16 vid) 3274a71df50SFrank Blaschka { 328509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3294a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3301aec42bcSThomas Richter int rc; 3314a71df50SFrank Blaschka 332847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 33310651db7SUrsula Braun if (!vid) 3348e586137SJiri Pirko return 0; 3358e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 336847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 3378e586137SJiri Pirko return 0; 3388e98ac48SUrsula Braun } 3394a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3404a71df50SFrank Blaschka if (id) { 3414a71df50SFrank Blaschka id->vid = vid; 3421aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3431aec42bcSThomas Richter if (rc) { 3441aec42bcSThomas Richter kfree(id); 3451aec42bcSThomas Richter return rc; 3461aec42bcSThomas Richter } 3474a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3484a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3494a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3508e586137SJiri Pirko } else { 3518e586137SJiri Pirko return -ENOMEM; 3524a71df50SFrank Blaschka } 3538e586137SJiri Pirko return 0; 3544a71df50SFrank Blaschka } 3554a71df50SFrank Blaschka 35680d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 35780d5c368SPatrick McHardy __be16 proto, u16 vid) 3584a71df50SFrank Blaschka { 3594a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 360509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3611aec42bcSThomas Richter int rc = 0; 3624a71df50SFrank Blaschka 363847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3648e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 365847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3668e586137SJiri Pirko return 0; 3678e98ac48SUrsula Braun } 3684a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3694a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3704a71df50SFrank Blaschka if (id->vid == vid) { 3714a71df50SFrank Blaschka list_del(&id->list); 3724a71df50SFrank Blaschka tmpid = id; 3734a71df50SFrank Blaschka break; 3744a71df50SFrank Blaschka } 3754a71df50SFrank Blaschka } 3764a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3774a71df50SFrank Blaschka if (tmpid) { 3781aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3794a71df50SFrank Blaschka kfree(tmpid); 3804a71df50SFrank Blaschka } 381fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 3821aec42bcSThomas Richter return rc; 3834a71df50SFrank Blaschka } 3844a71df50SFrank Blaschka 385b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3864a71df50SFrank Blaschka { 387d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 388d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3894a71df50SFrank Blaschka 3904a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3914a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3924a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3934a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3944a71df50SFrank Blaschka if (recovery_mode && 3954a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3964a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3974a71df50SFrank Blaschka } else { 3984a71df50SFrank Blaschka rtnl_lock(); 3994a71df50SFrank Blaschka dev_close(card->dev); 4004a71df50SFrank Blaschka rtnl_unlock(); 4014a71df50SFrank Blaschka } 40270919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 4034a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 4044a71df50SFrank Blaschka } 4054a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 406c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 4074a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 4084a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 4094a71df50SFrank Blaschka } 4104a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 4114a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 4124a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 4134a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 4144a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 4154a71df50SFrank Blaschka } 4164a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 4174a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 4184a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 4194a71df50SFrank Blaschka } 4204a71df50SFrank Blaschka } 4214a71df50SFrank Blaschka 422a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 423a1c3ed4cSFrank Blaschka int budget, int *done) 4244a71df50SFrank Blaschka { 425a1c3ed4cSFrank Blaschka int work_done = 0; 4264a71df50SFrank Blaschka struct sk_buff *skb; 4274a71df50SFrank Blaschka struct qeth_hdr *hdr; 4284a71df50SFrank Blaschka unsigned int len; 4294a71df50SFrank Blaschka 430a1c3ed4cSFrank Blaschka *done = 0; 43118af5c17SStefan Raspl WARN_ON_ONCE(!budget); 432a1c3ed4cSFrank Blaschka while (budget) { 433a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 434b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 435a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 436a1c3ed4cSFrank Blaschka if (!skb) { 437a1c3ed4cSFrank Blaschka *done = 1; 438a1c3ed4cSFrank Blaschka break; 4394a71df50SFrank Blaschka } 440a1c3ed4cSFrank Blaschka skb->dev = card->dev; 4414a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4424a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4434a71df50SFrank Blaschka skb->pkt_type = PACKET_HOST; 4444a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4454d7def2aSThomas Richter if ((card->dev->features & NETIF_F_RXCSUM) 4464d7def2aSThomas Richter && ((hdr->hdr.l2.flags[1] & 4474d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4484d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ)) == 4494d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4504d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ))) 4514d7def2aSThomas Richter skb->ip_summed = CHECKSUM_UNNECESSARY; 4524d7def2aSThomas Richter else 4534a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_NONE; 45412883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4554a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4564a71df50SFrank Blaschka len = skb->len; 4579abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 4584a71df50SFrank Blaschka break; 4594a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4602d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4614a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4624a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4634a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4644a71df50SFrank Blaschka len = skb->len; 4654a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4664a71df50SFrank Blaschka break; 4672d488c2fSUrsula Braun } 4682d488c2fSUrsula Braun /* else unknown */ 4694a71df50SFrank Blaschka default: 4704a71df50SFrank Blaschka dev_kfree_skb_any(skb); 471847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 472d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4734a71df50SFrank Blaschka continue; 4744a71df50SFrank Blaschka } 475a1c3ed4cSFrank Blaschka work_done++; 476a1c3ed4cSFrank Blaschka budget--; 4774a71df50SFrank Blaschka card->stats.rx_packets++; 4784a71df50SFrank Blaschka card->stats.rx_bytes += len; 4794a71df50SFrank Blaschka } 480a1c3ed4cSFrank Blaschka return work_done; 481a1c3ed4cSFrank Blaschka } 482a1c3ed4cSFrank Blaschka 4834a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4844a71df50SFrank Blaschka { 4854a71df50SFrank Blaschka int rc = 0; 4864a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 4874a71df50SFrank Blaschka 488ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 489d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 4904a71df50SFrank Blaschka 491ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 492ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 493ec61bd2fSJulian Wiedmann if (!rc) 494ec61bd2fSJulian Wiedmann goto out; 495ec61bd2fSJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %s: x%x\n", 496ec61bd2fSJulian Wiedmann CARD_BUS_ID(card), rc); 497ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 498ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 499ec61bd2fSJulian Wiedmann } 500ec61bd2fSJulian Wiedmann 5015113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_IQD || 5025113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 5035113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX || 5045113fec0SUrsula Braun card->info.guestlan) { 5054a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 5064a71df50SFrank Blaschka if (rc) { 50714cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "couldn't get MAC address on " 50814cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 5091aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 5104a71df50SFrank Blaschka return rc; 5114a71df50SFrank Blaschka } 5124a71df50SFrank Blaschka } else { 5131833611dSJoe Perches eth_random_addr(card->dev->dev_addr); 5144a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 5154a71df50SFrank Blaschka } 516ec61bd2fSJulian Wiedmann out: 517ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 5184a71df50SFrank Blaschka return 0; 5194a71df50SFrank Blaschka } 5204a71df50SFrank Blaschka 5214a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 5224a71df50SFrank Blaschka { 5234a71df50SFrank Blaschka struct sockaddr *addr = p; 524509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5254a71df50SFrank Blaschka int rc = 0; 5264a71df50SFrank Blaschka 527847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 5284a71df50SFrank Blaschka 5295113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 5305113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 5315113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 532847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 5334a71df50SFrank Blaschka return -EOPNOTSUPP; 5344a71df50SFrank Blaschka } 53599f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); 5368e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 537847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 5388e98ac48SUrsula Braun return -ERESTARTSYS; 5398e98ac48SUrsula Braun } 5404a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); 541efbbc1d5SEugene Crosser if (!rc || (rc == -ENOENT)) 5424a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 543e0a8114cSUrsula Braun return rc ? -EINVAL : 0; 5444a71df50SFrank Blaschka } 5454a71df50SFrank Blaschka 5460db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5470db587b0SEugene Crosser { 5480db587b0SEugene Crosser struct net_device *dev = card->dev; 5490db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5500db587b0SEugene Crosser int role; 5510db587b0SEugene Crosser int rc; 5520db587b0SEugene Crosser 5530db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5540db587b0SEugene Crosser 5550db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5560db587b0SEugene Crosser return; 5570db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5580db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5590db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5600db587b0SEugene Crosser return; 5610db587b0SEugene Crosser 5620db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5630db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5640db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5650db587b0SEugene Crosser else 5660db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5670db587b0SEugene Crosser } else 5680db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5690db587b0SEugene Crosser 5700db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5710db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5720db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5730db587b0SEugene Crosser if (!rc) { 5740db587b0SEugene Crosser card->options.sbp.role = role; 5750db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5760db587b0SEugene Crosser } 577fe5c8028SLakhvich Dmitriy 578fe5c8028SLakhvich Dmitriy } 579fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 580fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 581fe5c8028SLakhvich Dmitriy * 582fe5c8028SLakhvich Dmitriy */ 5834641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 584fe5c8028SLakhvich Dmitriy { 585cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 586fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 587fe5c8028SLakhvich Dmitriy 588cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 58999f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) { 5905f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 591fe5c8028SLakhvich Dmitriy return; 592fe5c8028SLakhvich Dmitriy } 5930db587b0SEugene Crosser } 5940db587b0SEugene Crosser 595fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 596fe5c8028SLakhvich Dmitriy if (!mac) 597fe5c8028SLakhvich Dmitriy return; 598fe5c8028SLakhvich Dmitriy 59999f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr); 6005f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 601fe5c8028SLakhvich Dmitriy 602cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 603fe5c8028SLakhvich Dmitriy } 604fe5c8028SLakhvich Dmitriy 605fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 6064a71df50SFrank Blaschka { 607509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 608ccffad25SJiri Pirko struct netdev_hw_addr *ha; 609fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 610fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 611fe5c8028SLakhvich Dmitriy int i; 612fe5c8028SLakhvich Dmitriy int rc; 6134a71df50SFrank Blaschka 6144a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6154a71df50SFrank Blaschka return; 6164a71df50SFrank Blaschka 617847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 6188e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 6198e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 6208e98ac48SUrsula Braun return; 621fe5c8028SLakhvich Dmitriy 6224a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 623fe5c8028SLakhvich Dmitriy 62422bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 6254641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 62632e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 6274641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 628fe5c8028SLakhvich Dmitriy 629fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 63000c163f1SJulian Wiedmann switch (mac->disp_flag) { 63100c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE: 6328174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr); 633fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 634fe5c8028SLakhvich Dmitriy kfree(mac); 63500c163f1SJulian Wiedmann break; 63600c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD: 6378174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr); 638fe5c8028SLakhvich Dmitriy if (rc) { 639fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 640fe5c8028SLakhvich Dmitriy kfree(mac); 64100c163f1SJulian Wiedmann break; 64200c163f1SJulian Wiedmann } 64300c163f1SJulian Wiedmann /* fall through */ 64400c163f1SJulian Wiedmann default: 64500c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */ 6465f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 64700c163f1SJulian Wiedmann } 648fe5c8028SLakhvich Dmitriy } 6497db2266aSFrank Blaschka 6504a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 651fe5c8028SLakhvich Dmitriy 6520db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6534a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6540db587b0SEugene Crosser else 6550db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6564a71df50SFrank Blaschka } 6574a71df50SFrank Blaschka 6587286384bSJulian Wiedmann static int qeth_l2_xmit_iqd(struct qeth_card *card, struct sk_buff *skb, 6597286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6607286384bSJulian Wiedmann { 6617286384bSJulian Wiedmann unsigned int data_offset = ETH_HLEN; 6627286384bSJulian Wiedmann struct qeth_hdr *hdr; 6637286384bSJulian Wiedmann int rc; 6647286384bSJulian Wiedmann 6657286384bSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 6667286384bSJulian Wiedmann if (!hdr) 6677286384bSJulian Wiedmann return -ENOMEM; 668ae79fe03SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len); 6697286384bSJulian Wiedmann skb_copy_from_linear_data(skb, ((char *)hdr) + sizeof(*hdr), 6707286384bSJulian Wiedmann data_offset); 6717286384bSJulian Wiedmann 6727286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 1, data_offset)) { 6737286384bSJulian Wiedmann rc = -E2BIG; 6747286384bSJulian Wiedmann goto out; 6757286384bSJulian Wiedmann } 6767c2e9ba3SJulian Wiedmann rc = qeth_do_send_packet_fast(queue, skb, hdr, data_offset, 677f1588177SJulian Wiedmann sizeof(*hdr) + data_offset); 6787286384bSJulian Wiedmann out: 6797286384bSJulian Wiedmann if (rc) 6807286384bSJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 6817286384bSJulian Wiedmann return rc; 6827286384bSJulian Wiedmann } 6837286384bSJulian Wiedmann 6847286384bSJulian Wiedmann static int qeth_l2_xmit_osa(struct qeth_card *card, struct sk_buff *skb, 6857286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6867286384bSJulian Wiedmann { 6870d6f02d3SJulian Wiedmann int push_len = sizeof(struct qeth_hdr); 6887286384bSJulian Wiedmann unsigned int elements, nr_frags; 6890d6f02d3SJulian Wiedmann unsigned int hdr_elements = 0; 6900d6f02d3SJulian Wiedmann struct qeth_hdr *hdr = NULL; 6910d6f02d3SJulian Wiedmann unsigned int hd_len = 0; 6927286384bSJulian Wiedmann int rc; 6937286384bSJulian Wiedmann 6947286384bSJulian Wiedmann /* fix hardware limitation: as long as we do not have sbal 6957286384bSJulian Wiedmann * chaining we can not send long frag lists 6967286384bSJulian Wiedmann */ 6977286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 0, 0)) { 6987286384bSJulian Wiedmann rc = skb_linearize(skb); 6997286384bSJulian Wiedmann 7007286384bSJulian Wiedmann if (card->options.performance_stats) { 7017286384bSJulian Wiedmann if (rc) 7027286384bSJulian Wiedmann card->perf_stats.tx_linfail++; 7037286384bSJulian Wiedmann else 7047286384bSJulian Wiedmann card->perf_stats.tx_lin++; 7057286384bSJulian Wiedmann } 7067286384bSJulian Wiedmann if (rc) 7077286384bSJulian Wiedmann return rc; 7087286384bSJulian Wiedmann } 7097286384bSJulian Wiedmann nr_frags = skb_shinfo(skb)->nr_frags; 7107286384bSJulian Wiedmann 7110d6f02d3SJulian Wiedmann rc = skb_cow_head(skb, push_len); 7120d6f02d3SJulian Wiedmann if (rc) 7130d6f02d3SJulian Wiedmann return rc; 7140d6f02d3SJulian Wiedmann push_len = qeth_push_hdr(skb, &hdr, push_len); 7150d6f02d3SJulian Wiedmann if (push_len < 0) 7160d6f02d3SJulian Wiedmann return push_len; 7170d6f02d3SJulian Wiedmann if (!push_len) { 7180d6f02d3SJulian Wiedmann /* hdr was allocated from cache */ 7190d6f02d3SJulian Wiedmann hd_len = sizeof(*hdr); 7200d6f02d3SJulian Wiedmann hdr_elements = 1; 7210d6f02d3SJulian Wiedmann } 7220d6f02d3SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len - push_len); 7230d6f02d3SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 7240d6f02d3SJulian Wiedmann qeth_l2_hdr_csum(card, hdr, skb); 7257286384bSJulian Wiedmann 7260d6f02d3SJulian Wiedmann elements = qeth_get_elements_no(card, skb, hdr_elements, 0); 7277286384bSJulian Wiedmann if (!elements) { 7287286384bSJulian Wiedmann rc = -E2BIG; 7297286384bSJulian Wiedmann goto out; 7307286384bSJulian Wiedmann } 7310d6f02d3SJulian Wiedmann elements += hdr_elements; 7320d6f02d3SJulian Wiedmann 7330d6f02d3SJulian Wiedmann /* TODO: remove the skb_orphan() once TX completion is fast enough */ 7340d6f02d3SJulian Wiedmann skb_orphan(skb); 7350d6f02d3SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, 0, hd_len, elements); 7367286384bSJulian Wiedmann out: 7377286384bSJulian Wiedmann if (!rc) { 7387286384bSJulian Wiedmann if (card->options.performance_stats && nr_frags) { 7397286384bSJulian Wiedmann card->perf_stats.sg_skbs_sent++; 7407286384bSJulian Wiedmann /* nr_frags + skb->data */ 7417286384bSJulian Wiedmann card->perf_stats.sg_frags_sent += nr_frags + 1; 7427286384bSJulian Wiedmann } 7437286384bSJulian Wiedmann } else { 7440d6f02d3SJulian Wiedmann if (hd_len) 7450d6f02d3SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 7460d6f02d3SJulian Wiedmann if (rc == -EBUSY) 7470d6f02d3SJulian Wiedmann /* roll back to ETH header */ 7480d6f02d3SJulian Wiedmann skb_pull(skb, push_len); 7497286384bSJulian Wiedmann } 7507286384bSJulian Wiedmann return rc; 7517286384bSJulian Wiedmann } 7527286384bSJulian Wiedmann 7537286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 7547286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 7557286384bSJulian Wiedmann { 7567286384bSJulian Wiedmann unsigned int elements; 7577286384bSJulian Wiedmann struct qeth_hdr *hdr; 7587286384bSJulian Wiedmann 7597286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 7607286384bSJulian Wiedmann return -EPROTONOSUPPORT; 7617286384bSJulian Wiedmann 7627286384bSJulian Wiedmann hdr = (struct qeth_hdr *)skb->data; 7637286384bSJulian Wiedmann elements = qeth_get_elements_no(card, skb, 0, 0); 7647286384bSJulian Wiedmann if (!elements) 7657286384bSJulian Wiedmann return -E2BIG; 7667286384bSJulian Wiedmann if (qeth_hdr_chk_and_bounce(skb, &hdr, sizeof(*hdr))) 7677286384bSJulian Wiedmann return -EINVAL; 7689c3bfda9SJulian Wiedmann return qeth_do_send_packet(card, queue, skb, hdr, 0, 0, elements); 7697286384bSJulian Wiedmann } 7707286384bSJulian Wiedmann 771e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 772e38db6beSJulian Wiedmann struct net_device *dev) 7734a71df50SFrank Blaschka { 774509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 775ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 776290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 7774a71df50SFrank Blaschka int tx_bytes = skb->len; 7787286384bSJulian Wiedmann int rc; 7794a71df50SFrank Blaschka 780290b8348SStefan Raspl if (card->qdio.do_prio_queueing || (cast_type && 781290b8348SStefan Raspl card->info.is_multicast_different)) 782290b8348SStefan Raspl queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb, 783290b8348SStefan Raspl qeth_get_ip_version(skb), cast_type)]; 784290b8348SStefan Raspl else 785290b8348SStefan Raspl queue = card->qdio.out_qs[card->qdio.default_out_queue]; 786290b8348SStefan Raspl 7874a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 7884a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 7894a71df50SFrank Blaschka goto tx_drop; 7904a71df50SFrank Blaschka } 7914a71df50SFrank Blaschka 7924a71df50SFrank Blaschka if (card->options.performance_stats) { 7934a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 7944a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 7954a71df50SFrank Blaschka } 7964a71df50SFrank Blaschka netif_stop_queue(dev); 7974a71df50SFrank Blaschka 7987286384bSJulian Wiedmann switch (card->info.type) { 7997286384bSJulian Wiedmann case QETH_CARD_TYPE_OSN: 8007286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 8017286384bSJulian Wiedmann break; 8027286384bSJulian Wiedmann case QETH_CARD_TYPE_IQD: 8037286384bSJulian Wiedmann rc = qeth_l2_xmit_iqd(card, skb, queue, cast_type); 8047286384bSJulian Wiedmann break; 8057286384bSJulian Wiedmann default: 8067286384bSJulian Wiedmann rc = qeth_l2_xmit_osa(card, skb, queue, cast_type); 807683d718aSFrank Blaschka } 8084a71df50SFrank Blaschka 8094a71df50SFrank Blaschka if (!rc) { 8104a71df50SFrank Blaschka card->stats.tx_packets++; 8114a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 8124a71df50SFrank Blaschka if (card->options.performance_stats) 8134a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 8144a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 8157286384bSJulian Wiedmann netif_wake_queue(dev); 8167286384bSJulian Wiedmann return NETDEV_TX_OK; 8177286384bSJulian Wiedmann } else if (rc == -EBUSY) { 8187286384bSJulian Wiedmann return NETDEV_TX_BUSY; 8197286384bSJulian Wiedmann } /* else fall through */ 8204a71df50SFrank Blaschka 8214a71df50SFrank Blaschka tx_drop: 8224a71df50SFrank Blaschka card->stats.tx_dropped++; 8234a71df50SFrank Blaschka card->stats.tx_errors++; 8244a71df50SFrank Blaschka dev_kfree_skb_any(skb); 825d0ec0f54SFrank Blaschka netif_wake_queue(dev); 8264a71df50SFrank Blaschka return NETDEV_TX_OK; 8274a71df50SFrank Blaschka } 8284a71df50SFrank Blaschka 82939423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 8304a71df50SFrank Blaschka { 831509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 832a1c3ed4cSFrank Blaschka int rc = 0; 8334a71df50SFrank Blaschka 834847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 83539423440SUrsula Braun if (card->state == CARD_STATE_UP) 83639423440SUrsula Braun return rc; 8374a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 8384a71df50SFrank Blaschka return -ENODEV; 8394a71df50SFrank Blaschka 8404a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 8414a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 842847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 8434a71df50SFrank Blaschka return -EPERM; 8444a71df50SFrank Blaschka } 8454a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 8464a71df50SFrank Blaschka card->state = CARD_STATE_UP; 8474a71df50SFrank Blaschka netif_start_queue(dev); 8484a71df50SFrank Blaschka 849a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 850a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 851a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 852a1c3ed4cSFrank Blaschka } else 853a1c3ed4cSFrank Blaschka rc = -EIO; 854a1c3ed4cSFrank Blaschka return rc; 8554a71df50SFrank Blaschka } 8564a71df50SFrank Blaschka 85739423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 85839423440SUrsula Braun { 85939423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 86039423440SUrsula Braun 86139423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 86239423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 86339423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 86439423440SUrsula Braun return -ERESTARTSYS; 86539423440SUrsula Braun } 86639423440SUrsula Braun return __qeth_l2_open(dev); 86739423440SUrsula Braun } 86839423440SUrsula Braun 8694a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 8704a71df50SFrank Blaschka { 871509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 8724a71df50SFrank Blaschka 873847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 8744a71df50SFrank Blaschka netif_tx_disable(dev); 875a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 8764a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 877a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 878a1c3ed4cSFrank Blaschka } 8794a71df50SFrank Blaschka return 0; 8804a71df50SFrank Blaschka } 8814a71df50SFrank Blaschka 8822d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 8832d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 8842d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 8852d2ebb3eSJulian Wiedmann }; 8862d2ebb3eSJulian Wiedmann 8874a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 8884a71df50SFrank Blaschka { 8894a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8909111e788SUrsula Braun int rc; 8914a71df50SFrank Blaschka 8922d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 8939111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 8949111e788SUrsula Braun if (rc) 8959111e788SUrsula Braun return rc; 8962d2ebb3eSJulian Wiedmann } 8974a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 898fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 8994a71df50SFrank Blaschka card->options.layer2 = 1; 9001da74b1cSFrank Blaschka card->info.hwtrap = 0; 901caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 9024a71df50SFrank Blaschka return 0; 9034a71df50SFrank Blaschka } 9044a71df50SFrank Blaschka 9054a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 9064a71df50SFrank Blaschka { 9074a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 9084a71df50SFrank Blaschka 9092d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 910b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 911f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 9124a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 9134a71df50SFrank Blaschka 91470919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 9154a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 9164a71df50SFrank Blaschka 9174a71df50SFrank Blaschka if (card->dev) { 9187831b4ffSUrsula Braun netif_napi_del(&card->napi); 9194a71df50SFrank Blaschka unregister_netdev(card->dev); 9204a71df50SFrank Blaschka card->dev = NULL; 9214a71df50SFrank Blaschka } 9224a71df50SFrank Blaschka return; 9234a71df50SFrank Blaschka } 9244a71df50SFrank Blaschka 9250fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 9264a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 9274a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9284a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 929df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9304a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 931993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 9324a71df50SFrank Blaschka }; 9334a71df50SFrank Blaschka 9340fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 9354a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9364a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 937df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9384a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 9394a71df50SFrank Blaschka }; 9404a71df50SFrank Blaschka 9413d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 9428403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 9438403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 9448403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 9458403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 9466d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 9478403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 948fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 949942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 9508403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 9518403b13cSFrank Blaschka .ndo_change_mtu = qeth_change_mtu, 9528403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 9538403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 9548403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 9558f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 9568f43fb00SThomas Richter .ndo_set_features = qeth_set_features 9578403b13cSFrank Blaschka }; 9588403b13cSFrank Blaschka 9594a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 9604a71df50SFrank Blaschka { 9614a71df50SFrank Blaschka switch (card->info.type) { 9624a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 963c835a677STom Gundersen card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, 964c835a677STom Gundersen ether_setup); 9654a71df50SFrank Blaschka break; 9664a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 967c835a677STom Gundersen card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN, 968c835a677STom Gundersen ether_setup); 9694a71df50SFrank Blaschka break; 9704a71df50SFrank Blaschka default: 9714a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 9724a71df50SFrank Blaschka } 9734a71df50SFrank Blaschka 9744a71df50SFrank Blaschka if (!card->dev) 9754a71df50SFrank Blaschka return -ENODEV; 9764a71df50SFrank Blaschka 977509e2562SHeiko Carstens card->dev->ml_priv = card; 978d3aacac4SJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT; 9794a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 9804a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 98146b3ef4cSJarod Wilson card->dev->min_mtu = 64; 98246b3ef4cSJarod Wilson card->dev->max_mtu = ETH_MAX_MTU; 9838403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 98425e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 98525e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 98625e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 98725e2c341SJulian Wiedmann } else { 98825e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 98925e2c341SJulian Wiedmann } 9909400c53fSJulian Wiedmann 9919400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 9929400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 9939400c53fSJulian Wiedmann else 994f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 9950f342945SJulian Wiedmann 9960f342945SJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 9970f342945SJulian Wiedmann card->info.type != QETH_CARD_TYPE_IQD) { 9980f342945SJulian Wiedmann card->dev->priv_flags &= ~IFF_TX_SKB_SHARING; 9990f342945SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 10000f342945SJulian Wiedmann card->dev->hw_features |= NETIF_F_SG; 10010f342945SJulian Wiedmann card->dev->vlan_features |= NETIF_F_SG; 10020f342945SJulian Wiedmann } 10030f342945SJulian Wiedmann 10044d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 10056d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 10068f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 10079bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 10088f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 10099bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 10109bdc4411SHans Wippel } 10119bdc4411SHans Wippel if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { 10128f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_RXCSUM; 10139bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_RXCSUM; 10149bdc4411SHans Wippel } 10154d7def2aSThomas Richter } 10160d6f02d3SJulian Wiedmann 10174a71df50SFrank Blaschka card->info.broadcast_capable = 1; 10184a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 10194a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 1020d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 1021e5ebe632SUrsula Braun netif_carrier_off(card->dev); 10224a71df50SFrank Blaschka return register_netdev(card->dev); 10234a71df50SFrank Blaschka } 10244a71df50SFrank Blaschka 10254d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 10264d7def2aSThomas Richter { 10274d7def2aSThomas Richter /* configure isolation level */ 10284d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 10294d7def2aSThomas Richter return -ENODEV; 10304d7def2aSThomas Richter return 0; 10314d7def2aSThomas Richter } 10324d7def2aSThomas Richter 1033521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 1034521c10eaSJulian Wiedmann { 1035a45b3fafSHans Wippel /* Set BridgePort features */ 1036a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 1037521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 1038521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 1039a45b3fafSHans Wippel /* VNIC Characteristics features */ 1040a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 1041a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 1042a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 1043521c10eaSJulian Wiedmann } 1044521c10eaSJulian Wiedmann 10454a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 10464a71df50SFrank Blaschka { 10474a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 10484a71df50SFrank Blaschka int rc = 0; 10494a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10504a71df50SFrank Blaschka 10519dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1052c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1053d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 1054d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 10554a71df50SFrank Blaschka 10564a71df50SFrank Blaschka recover_flag = card->state; 10574a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 10584a71df50SFrank Blaschka if (rc) { 10591aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 1060aa909224SUrsula Braun rc = -ENODEV; 10614a71df50SFrank Blaschka goto out_remove; 10624a71df50SFrank Blaschka } 1063c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 1064c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 1065c044dc21SEugene Crosser dev_info(&card->gdev->dev, 10669c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 10674a71df50SFrank Blaschka 1068aa909224SUrsula Braun if (!card->dev && qeth_l2_setup_netdev(card)) { 1069aa909224SUrsula Braun rc = -ENODEV; 10704a71df50SFrank Blaschka goto out_remove; 1071aa909224SUrsula Braun } 10724a71df50SFrank Blaschka 10734a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 10744a71df50SFrank Blaschka qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); 10754a71df50SFrank Blaschka 10761da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 10771da74b1cSFrank Blaschka if (card->info.hwtrap && 10781da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 10791da74b1cSFrank Blaschka card->info.hwtrap = 0; 10801da74b1cSFrank Blaschka } else 10811da74b1cSFrank Blaschka card->info.hwtrap = 0; 10821da74b1cSFrank Blaschka 1083a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 1084a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 1085a45b3fafSHans Wippel 1086a45b3fafSHans Wippel qeth_trace_features(card); 1087a45b3fafSHans Wippel qeth_l2_trace_features(card); 1088a45b3fafSHans Wippel 1089b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 1090b4d72c08SEugene Crosser 10914a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 1092a1c3ed4cSFrank Blaschka memset(&card->rx, 0, sizeof(struct qeth_rx)); 10934a71df50SFrank Blaschka qeth_print_status_message(card); 10944a71df50SFrank Blaschka 10954a71df50SFrank Blaschka /* softsetup */ 1096d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 10974a71df50SFrank Blaschka 10985113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 10990f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 11008f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 11018f43fb00SThomas Richter if (rc) 11020f54761dSStefan Raspl goto out_remove; 11030f54761dSStefan Raspl } 11045113fec0SUrsula Braun 11059400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 110670919e23SUrsula Braun qeth_l2_process_vlans(card); 11074a71df50SFrank Blaschka 11084a71df50SFrank Blaschka netif_tx_disable(card->dev); 11094a71df50SFrank Blaschka 11104a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 11114a71df50SFrank Blaschka if (rc) { 1112d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 1113aa909224SUrsula Braun rc = -ENODEV; 11144a71df50SFrank Blaschka goto out_remove; 11154a71df50SFrank Blaschka } 11164a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 11172b6203bbSUrsula Braun if (card->lan_online) 11184a71df50SFrank Blaschka netif_carrier_on(card->dev); 11192b6203bbSUrsula Braun else 11202b6203bbSUrsula Braun netif_carrier_off(card->dev); 11214a71df50SFrank Blaschka 11224a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 11234a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 11244a71df50SFrank Blaschka if (recovery_mode && 11254a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 112639423440SUrsula Braun __qeth_l2_open(card->dev); 11274a71df50SFrank Blaschka } else { 11284a71df50SFrank Blaschka rtnl_lock(); 11294a71df50SFrank Blaschka dev_open(card->dev); 11304a71df50SFrank Blaschka rtnl_unlock(); 11314a71df50SFrank Blaschka } 11324a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 1133fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 1134e830baa9SHans Wippel rtnl_lock(); 1135e830baa9SHans Wippel qeth_recover_features(card->dev); 1136e830baa9SHans Wippel rtnl_unlock(); 11374a71df50SFrank Blaschka } 11384a71df50SFrank Blaschka /* let user_space know that device is online */ 11394a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1140c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11419dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 11424a71df50SFrank Blaschka return 0; 1143aa909224SUrsula Braun 11444a71df50SFrank Blaschka out_remove: 11454a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 11464a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 11474a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 11484a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 114922ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11504a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 11514a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11524a71df50SFrank Blaschka else 11534a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1154c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11559dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1156aa909224SUrsula Braun return rc; 11574a71df50SFrank Blaschka } 11584a71df50SFrank Blaschka 11594a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 11604a71df50SFrank Blaschka { 11614a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 11624a71df50SFrank Blaschka } 11634a71df50SFrank Blaschka 11644a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 11654a71df50SFrank Blaschka int recovery_mode) 11664a71df50SFrank Blaschka { 11674a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 11684a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 11694a71df50SFrank Blaschka enum qeth_card_states recover_flag; 11704a71df50SFrank Blaschka 11719dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1172c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1173d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1174d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 11754a71df50SFrank Blaschka 11764a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 11774a71df50SFrank Blaschka netif_carrier_off(card->dev); 11784a71df50SFrank Blaschka recover_flag = card->state; 11791da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 11801da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 11811da74b1cSFrank Blaschka card->info.hwtrap = 1; 11821da74b1cSFrank Blaschka } 11830f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 11844a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 11854a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 11864a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 11874a71df50SFrank Blaschka if (!rc) 11884a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 11894a71df50SFrank Blaschka if (rc) 1190d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 119122ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11924a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 11934a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11944a71df50SFrank Blaschka /* let user_space know that device is offline */ 11954a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1196c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11979dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 11984a71df50SFrank Blaschka return 0; 11994a71df50SFrank Blaschka } 12004a71df50SFrank Blaschka 12014a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 12024a71df50SFrank Blaschka { 12034a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 12044a71df50SFrank Blaschka } 12054a71df50SFrank Blaschka 12064a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 12074a71df50SFrank Blaschka { 12084a71df50SFrank Blaschka struct qeth_card *card; 12094a71df50SFrank Blaschka int rc = 0; 12104a71df50SFrank Blaschka 12114a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1212847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 12134a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 12144a71df50SFrank Blaschka return 0; 1215847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 121674eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 121774eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 121865d8013cSStefan Raspl qeth_set_recovery_task(card); 12194a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 12204a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 12214a71df50SFrank Blaschka if (!rc) 122274eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 122374eacdb9SFrank Blaschka "Device successfully recovered!\n"); 122428a7e4c9SUrsula Braun else { 12250f54761dSStefan Raspl qeth_close_dev(card); 122674eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 122774eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 122828a7e4c9SUrsula Braun } 122965d8013cSStefan Raspl qeth_clear_recovery_task(card); 1230a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1231a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 12324a71df50SFrank Blaschka return 0; 12334a71df50SFrank Blaschka } 12344a71df50SFrank Blaschka 12354a71df50SFrank Blaschka static int __init qeth_l2_init(void) 12364a71df50SFrank Blaschka { 123774eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 12384a71df50SFrank Blaschka return 0; 12394a71df50SFrank Blaschka } 12404a71df50SFrank Blaschka 12414a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 12424a71df50SFrank Blaschka { 124374eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 12444a71df50SFrank Blaschka } 12454a71df50SFrank Blaschka 1246bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1247bbcfcdc8SFrank Blaschka { 1248bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1249bbcfcdc8SFrank Blaschka 1250bbcfcdc8SFrank Blaschka if (card->dev) 1251bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1252bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1253bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1254bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1255bbcfcdc8SFrank Blaschka return 0; 1256bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 12571da74b1cSFrank Blaschka if (card->info.hwtrap) 12581da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1259bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1260bbcfcdc8SFrank Blaschka } else 1261bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1262bbcfcdc8SFrank Blaschka return 0; 1263bbcfcdc8SFrank Blaschka } 1264bbcfcdc8SFrank Blaschka 1265bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1266bbcfcdc8SFrank Blaschka { 1267bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1268bbcfcdc8SFrank Blaschka int rc = 0; 1269bbcfcdc8SFrank Blaschka 1270bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1271bbcfcdc8SFrank Blaschka goto out; 1272bbcfcdc8SFrank Blaschka 1273bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1274bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1275bbcfcdc8SFrank Blaschka if (rc) { 1276bbcfcdc8SFrank Blaschka rtnl_lock(); 1277bbcfcdc8SFrank Blaschka dev_close(card->dev); 1278bbcfcdc8SFrank Blaschka rtnl_unlock(); 1279bbcfcdc8SFrank Blaschka } 1280bbcfcdc8SFrank Blaschka } else 1281bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 1282bbcfcdc8SFrank Blaschka out: 1283bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1284bbcfcdc8SFrank Blaschka if (card->dev) 1285bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1286bbcfcdc8SFrank Blaschka if (rc) 1287bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1288bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1289bbcfcdc8SFrank Blaschka return rc; 1290bbcfcdc8SFrank Blaschka } 1291bbcfcdc8SFrank Blaschka 1292c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1293c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1294c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1295c044dc21SEugene Crosser { 1296c044dc21SEugene Crosser switch (cmd->hdr.command) { 12979c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 12989c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1299c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1300c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1301c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1302c044dc21SEugene Crosser return 0; 1303c044dc21SEugene Crosser } else 1304c044dc21SEugene Crosser return 1; 1305c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1306c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1307c044dc21SEugene Crosser return 0; 1308c044dc21SEugene Crosser default: 1309c044dc21SEugene Crosser return 1; 1310c044dc21SEugene Crosser } 1311c044dc21SEugene Crosser } 1312c044dc21SEugene Crosser 1313c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 13142d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1315c041f2d4SSebastian Ott .start_poll = qeth_qdio_start_poll, 1316c041f2d4SSebastian Ott .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, 1317c041f2d4SSebastian Ott .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, 1318d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1319c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1320c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 13214a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 13224a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 13234a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1324bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1325bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1326bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1327942d6984SJulian Wiedmann .do_ioctl = NULL, 1328c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 13294a71df50SFrank Blaschka }; 1330c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 13314a71df50SFrank Blaschka 13324a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 13334a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 13344a71df50SFrank Blaschka { 13354a71df50SFrank Blaschka unsigned long flags; 13364a71df50SFrank Blaschka int rc = 0; 13374a71df50SFrank Blaschka 1338847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 13394a71df50SFrank Blaschka 13404a71df50SFrank Blaschka wait_event(card->wait_q, 13414a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 13424a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1343847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 13444a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 13454a71df50SFrank Blaschka rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, 13464a71df50SFrank Blaschka (addr_t) iob, 0, 0); 13474a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 13484a71df50SFrank Blaschka if (rc) { 134914cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 13504a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1351847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 13524a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 13534a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 13544a71df50SFrank Blaschka wake_up(&card->wait_q); 13554a71df50SFrank Blaschka } 13564a71df50SFrank Blaschka return rc; 13574a71df50SFrank Blaschka } 13584a71df50SFrank Blaschka 13594a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 13604a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 13614a71df50SFrank Blaschka { 13624a71df50SFrank Blaschka u16 s1, s2; 13634a71df50SFrank Blaschka 1364847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 13654a71df50SFrank Blaschka 13664a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 13674a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 13684a71df50SFrank Blaschka s2 = (u16)data_len; 13694a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 13704a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 13714a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 13724a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 13734a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 13744a71df50SFrank Blaschka } 13754a71df50SFrank Blaschka 13764a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 13774a71df50SFrank Blaschka { 13784a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 13794a71df50SFrank Blaschka struct qeth_card *card; 13804a71df50SFrank Blaschka 13814a71df50SFrank Blaschka if (!dev) 13824a71df50SFrank Blaschka return -ENODEV; 1383509e2562SHeiko Carstens card = dev->ml_priv; 13844a71df50SFrank Blaschka if (!card) 13854a71df50SFrank Blaschka return -ENODEV; 1386847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1387c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 13884a71df50SFrank Blaschka return -ENODEV; 13894a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 1390ff5caa7aSJulian Wiedmann memcpy(__ipa_cmd(iob), data, data_len); 1391ff5caa7aSJulian Wiedmann return qeth_osn_send_ipa_cmd(card, iob, data_len); 13924a71df50SFrank Blaschka } 13934a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 13944a71df50SFrank Blaschka 13954a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 13964a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 13974a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 13984a71df50SFrank Blaschka { 13994a71df50SFrank Blaschka struct qeth_card *card; 14004a71df50SFrank Blaschka 14014a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 14024a71df50SFrank Blaschka if (*dev == NULL) 14034a71df50SFrank Blaschka return -ENODEV; 1404509e2562SHeiko Carstens card = (*dev)->ml_priv; 14054a71df50SFrank Blaschka if (!card) 14064a71df50SFrank Blaschka return -ENODEV; 1407847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 14084a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 14094a71df50SFrank Blaschka return -EINVAL; 14104a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 14114a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 14124a71df50SFrank Blaschka return 0; 14134a71df50SFrank Blaschka } 14144a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 14154a71df50SFrank Blaschka 14164a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 14174a71df50SFrank Blaschka { 14184a71df50SFrank Blaschka struct qeth_card *card; 14194a71df50SFrank Blaschka 14204a71df50SFrank Blaschka if (!dev) 14214a71df50SFrank Blaschka return; 1422509e2562SHeiko Carstens card = dev->ml_priv; 14234a71df50SFrank Blaschka if (!card) 14244a71df50SFrank Blaschka return; 1425847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 14264a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 14274a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 14284a71df50SFrank Blaschka return; 14294a71df50SFrank Blaschka } 14304a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 14314a71df50SFrank Blaschka 1432b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1433b4d72c08SEugene Crosser 14349f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 14359f48b9dbSEugene Crosser 14369f48b9dbSEugene Crosser /** 14379f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 14389f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 14399f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 14409f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 14419f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 14429f48b9dbSEugene Crosser * object, 0 - addition of an object. 14439f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 14449f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 14459f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 14469f48b9dbSEugene Crosser * 14479f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 14489f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 14499f48b9dbSEugene Crosser * for all currently registered addresses. 14509f48b9dbSEugene Crosser */ 14519f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 14529f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 14539f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 14549f48b9dbSEugene Crosser { 14559f48b9dbSEugene Crosser char str[7][32]; 14569f48b9dbSEugene Crosser char *env[8]; 14579f48b9dbSEugene Crosser int i = 0; 14589f48b9dbSEugene Crosser 14599f48b9dbSEugene Crosser switch (evtype) { 14609f48b9dbSEugene Crosser case anev_reg_unreg: 14619f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 14629f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 14639f48b9dbSEugene Crosser ? "deregister" : "register"); 14649f48b9dbSEugene Crosser env[i] = str[i]; i++; 14659f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 14669f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 14679f48b9dbSEugene Crosser addr_lnid->lnid); 14689f48b9dbSEugene Crosser env[i] = str[i]; i++; 14699f48b9dbSEugene Crosser } 14709f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 14719846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 14729846e70bSEugene Crosser addr_lnid->mac); 14739f48b9dbSEugene Crosser env[i] = str[i]; i++; 14749f48b9dbSEugene Crosser } 14759f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 14769f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 14779f48b9dbSEugene Crosser env[i] = str[i]; i++; 14789f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 14799f48b9dbSEugene Crosser env[i] = str[i]; i++; 14809f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 14819f48b9dbSEugene Crosser token->chpid); 14829f48b9dbSEugene Crosser env[i] = str[i]; i++; 14839f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 14849f48b9dbSEugene Crosser env[i] = str[i]; i++; 14859f48b9dbSEugene Crosser break; 14869f48b9dbSEugene Crosser case anev_abort: 14879f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 14889f48b9dbSEugene Crosser env[i] = str[i]; i++; 14899f48b9dbSEugene Crosser break; 14909f48b9dbSEugene Crosser case anev_reset: 14919f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 14929f48b9dbSEugene Crosser env[i] = str[i]; i++; 14939f48b9dbSEugene Crosser break; 14949f48b9dbSEugene Crosser } 14959f48b9dbSEugene Crosser env[i] = NULL; 14969f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 14979f48b9dbSEugene Crosser } 14989f48b9dbSEugene Crosser 1499b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1500b4d72c08SEugene Crosser struct work_struct worker; 1501b4d72c08SEugene Crosser struct qeth_card *card; 1502b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1503b4d72c08SEugene Crosser }; 1504b4d72c08SEugene Crosser 1505b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1506b4d72c08SEugene Crosser { 1507b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1508b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1509b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1510b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1511b4d72c08SEugene Crosser char env_locrem[32]; 1512b4d72c08SEugene Crosser char env_role[32]; 1513b4d72c08SEugene Crosser char env_state[32]; 1514b4d72c08SEugene Crosser char *env[] = { 1515b4d72c08SEugene Crosser env_locrem, 1516b4d72c08SEugene Crosser env_role, 1517b4d72c08SEugene Crosser env_state, 1518b4d72c08SEugene Crosser NULL 1519b4d72c08SEugene Crosser }; 1520b4d72c08SEugene Crosser 1521b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1522b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1523b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1524b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1525b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1526b4d72c08SEugene Crosser 1527b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1528b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1529b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1530b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1531b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1532b4d72c08SEugene Crosser "<INVALID>"); 1533b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1534b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1535b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1536b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1537b4d72c08SEugene Crosser "<INVALID>"); 1538b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1539b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1540b4d72c08SEugene Crosser kfree(data); 1541b4d72c08SEugene Crosser } 1542b4d72c08SEugene Crosser 1543c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1544c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1545b4d72c08SEugene Crosser { 1546b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1547b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1548b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1549b4d72c08SEugene Crosser int extrasize; 1550b4d72c08SEugene Crosser 1551b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1552b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 15538a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1554b4d72c08SEugene Crosser return; 1555b4d72c08SEugene Crosser } 1556b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1557b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1558b4d72c08SEugene Crosser GFP_ATOMIC); 1559b4d72c08SEugene Crosser if (!data) { 1560b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1561b4d72c08SEugene Crosser return; 1562b4d72c08SEugene Crosser } 1563b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1564b4d72c08SEugene Crosser data->card = card; 1565b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1566b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1567b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1568b4d72c08SEugene Crosser } 1569b4d72c08SEugene Crosser 15709f48b9dbSEugene Crosser struct qeth_bridge_host_data { 15719f48b9dbSEugene Crosser struct work_struct worker; 15729f48b9dbSEugene Crosser struct qeth_card *card; 15739f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 15749f48b9dbSEugene Crosser }; 15759f48b9dbSEugene Crosser 15769f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 15779f48b9dbSEugene Crosser { 15789f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 15799f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 15809f48b9dbSEugene Crosser int i; 15819f48b9dbSEugene Crosser 15829f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 15839f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 15849c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 15859f48b9dbSEugene Crosser data->card->dev->name, 15869f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 15879f48b9dbSEugene Crosser ? "Overflow" 15889f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 15899f48b9dbSEugene Crosser ? "Bridge port state change" 15909f48b9dbSEugene Crosser : "Unknown reason"); 15919f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 15929f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 15939f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 15949f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 15959f48b9dbSEugene Crosser 0, NULL, NULL); 15969f48b9dbSEugene Crosser } else 15979f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 15989f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 15999f48b9dbSEugene Crosser &data->hostevs.entry[i]; 16009f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 16019f48b9dbSEugene Crosser anev_reg_unreg, 16029f48b9dbSEugene Crosser entry->change_code, 16039f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 16049f48b9dbSEugene Crosser } 16059f48b9dbSEugene Crosser kfree(data); 16069f48b9dbSEugene Crosser } 16079f48b9dbSEugene Crosser 1608c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1609c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 16109f48b9dbSEugene Crosser { 16119f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 16129f48b9dbSEugene Crosser &cmd->data.addrchange; 16139f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 16149f48b9dbSEugene Crosser int extrasize; 16159f48b9dbSEugene Crosser 16169f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 16179f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 16189f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 16199f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 16209f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 16219f48b9dbSEugene Crosser } else { 16229f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 16239f48b9dbSEugene Crosser cmd->hdr.return_code); 16249f48b9dbSEugene Crosser return; 16259f48b9dbSEugene Crosser } 16269f48b9dbSEugene Crosser } 16279f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 16289f48b9dbSEugene Crosser hostevs->num_entries; 16299f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 16309f48b9dbSEugene Crosser GFP_ATOMIC); 16319f48b9dbSEugene Crosser if (!data) { 16329f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 16339f48b9dbSEugene Crosser return; 16349f48b9dbSEugene Crosser } 16359f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 16369f48b9dbSEugene Crosser data->card = card; 16379f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 16389f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 16399f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 16409f48b9dbSEugene Crosser } 16419f48b9dbSEugene Crosser 1642b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1643b4d72c08SEugene Crosser 1644b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1645b4d72c08SEugene Crosser u16 ipa_rc; 1646b4d72c08SEugene Crosser u16 cmd_rc; 1647b4d72c08SEugene Crosser union { 1648b4d72c08SEugene Crosser u32 supported; 1649b4d72c08SEugene Crosser struct { 1650b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1651b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1652b4d72c08SEugene Crosser } qports; 1653b4d72c08SEugene Crosser } data; 1654b4d72c08SEugene Crosser }; 1655b4d72c08SEugene Crosser 1656b4d72c08SEugene Crosser /** 1657b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1658b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1659b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1660b4d72c08SEugene Crosser * @setcmd: IPA command code 1661b4d72c08SEugene Crosser * 1662b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1663b4d72c08SEugene Crosser */ 1664b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1665b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1666b4d72c08SEugene Crosser { 1667b4d72c08SEugene Crosser int rc; 16689c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1669b4d72c08SEugene Crosser 16709c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 16719c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1672b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 16732063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1674b4d72c08SEugene Crosser rc = 0; 1675b4d72c08SEugene Crosser break; 16762063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 16772063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1678ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1679b4d72c08SEugene Crosser break; 16802063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 16812063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1682b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1683b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16849c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1685b4d72c08SEugene Crosser break; 16862063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 16872063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 16881b05cf62SEugene Crosser rc = -EPERM; 16891b05cf62SEugene Crosser dev_err(&card->gdev->dev, 16901b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 16911b05cf62SEugene Crosser break; 16922063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 16932063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1694b4d72c08SEugene Crosser switch (setcmd) { 1695b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1696b4d72c08SEugene Crosser rc = -EEXIST; 1697b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16989c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1699b4d72c08SEugene Crosser break; 1700b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1701b4d72c08SEugene Crosser rc = -EBUSY; 1702b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17039c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1704b4d72c08SEugene Crosser break; 1705b4d72c08SEugene Crosser default: 1706b4d72c08SEugene Crosser rc = -EIO; 1707b4d72c08SEugene Crosser } 1708b4d72c08SEugene Crosser break; 17092063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 17102063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1711b4d72c08SEugene Crosser rc = -EBUSY; 1712b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17139c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1714b4d72c08SEugene Crosser break; 17152063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 17162063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1717b4d72c08SEugene Crosser rc = -EEXIST; 1718b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17199c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1720b4d72c08SEugene Crosser break; 17212063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 17222063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1723b4d72c08SEugene Crosser rc = -EBUSY; 1724b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17259c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1726b4d72c08SEugene Crosser break; 17272063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 17282063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1729b4d72c08SEugene Crosser rc = -EACCES; 1730b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17319c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1732b4d72c08SEugene Crosser break; 1733b4d72c08SEugene Crosser default: 1734b4d72c08SEugene Crosser rc = -EIO; 1735b4d72c08SEugene Crosser } 17369c23f4daSEugene Crosser else 17379c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1738b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1739ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1740b4d72c08SEugene Crosser break; 1741b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1742ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1743b4d72c08SEugene Crosser break; 1744b4d72c08SEugene Crosser default: 1745b4d72c08SEugene Crosser rc = -EIO; 1746b4d72c08SEugene Crosser } 17479c23f4daSEugene Crosser 1748b4d72c08SEugene Crosser if (rc) { 1749b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1750b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1751b4d72c08SEugene Crosser } 1752b4d72c08SEugene Crosser return rc; 1753b4d72c08SEugene Crosser } 1754b4d72c08SEugene Crosser 1755d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1756d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1757d65626adSJulian Wiedmann unsigned int cmd_length) 17589c23f4daSEugene Crosser { 1759d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 17609c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 17619c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1762d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1763d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1764d65626adSJulian Wiedmann 1765d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1766d65626adSJulian Wiedmann if (!iob) 1767d65626adSJulian Wiedmann return iob; 1768ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 1769d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1770d65626adSJulian Wiedmann cmd_length; 1771d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1772d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1773d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1774d65626adSJulian Wiedmann return iob; 17759c23f4daSEugene Crosser } 17769c23f4daSEugene Crosser 1777b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1778b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1779b4d72c08SEugene Crosser { 1780b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1781b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1782b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1783b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1784b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1785b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1786b4d72c08SEugene Crosser cbctl->data.supported = 1787b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1788b4d72c08SEugene Crosser } else { 1789b4d72c08SEugene Crosser cbctl->data.supported = 0; 1790b4d72c08SEugene Crosser } 1791b4d72c08SEugene Crosser return 0; 1792b4d72c08SEugene Crosser } 1793b4d72c08SEugene Crosser 1794b4d72c08SEugene Crosser /** 1795b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1796b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1797b4d72c08SEugene Crosser * 1798b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1799b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1800b4d72c08SEugene Crosser */ 1801c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1802b4d72c08SEugene Crosser { 1803b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1804b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1805b4d72c08SEugene Crosser 1806b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1807d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1808d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 18091aec42bcSThomas Richter if (!iob) 18101aec42bcSThomas Richter return; 1811b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1812b4d72c08SEugene Crosser (void *)&cbctl) || 1813b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1814b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1815b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1816b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1817b4d72c08SEugene Crosser return; 1818b4d72c08SEugene Crosser } 1819b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1820b4d72c08SEugene Crosser } 1821b4d72c08SEugene Crosser 1822b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1823b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1824b4d72c08SEugene Crosser { 1825b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1826b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1827b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1828b4d72c08SEugene Crosser 1829b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1830b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1831b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1832b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1833b4d72c08SEugene Crosser return 0; 1834b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1835b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1836b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1837b4d72c08SEugene Crosser return 0; 1838b4d72c08SEugene Crosser } 1839b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1840b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1841b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1842b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1843b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1844b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1845b4d72c08SEugene Crosser } 1846b4d72c08SEugene Crosser return 0; 1847b4d72c08SEugene Crosser } 1848b4d72c08SEugene Crosser 1849b4d72c08SEugene Crosser /** 1850b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1851b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1852b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1853b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1854b4d72c08SEugene Crosser * 1855b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1856b4d72c08SEugene Crosser * 1857b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1858b4d72c08SEugene Crosser */ 1859b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1860b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1861b4d72c08SEugene Crosser { 1862b4d72c08SEugene Crosser int rc = 0; 1863b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1864b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1865b4d72c08SEugene Crosser .data = { 1866b4d72c08SEugene Crosser .qports = { 1867b4d72c08SEugene Crosser .role = role, 1868b4d72c08SEugene Crosser .state = state, 1869b4d72c08SEugene Crosser }, 1870b4d72c08SEugene Crosser }, 1871b4d72c08SEugene Crosser }; 1872b4d72c08SEugene Crosser 1873b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1874b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1875b4d72c08SEugene Crosser return -EOPNOTSUPP; 1876d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 18771aec42bcSThomas Richter if (!iob) 18781aec42bcSThomas Richter return -ENOMEM; 1879b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1880b4d72c08SEugene Crosser (void *)&cbctl); 1881c88394e7SEugene Crosser if (rc < 0) 1882b4d72c08SEugene Crosser return rc; 1883c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1884b4d72c08SEugene Crosser } 1885b4d72c08SEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports); 1886b4d72c08SEugene Crosser 1887b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1888b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1889b4d72c08SEugene Crosser { 1890b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1891b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1892b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1893b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1894b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1895b4d72c08SEugene Crosser return 0; 1896b4d72c08SEugene Crosser } 1897b4d72c08SEugene Crosser 1898b4d72c08SEugene Crosser /** 1899b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1900b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1901b4d72c08SEugene Crosser * @role: Role to assign. 1902b4d72c08SEugene Crosser * 1903b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1904b4d72c08SEugene Crosser */ 1905b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1906b4d72c08SEugene Crosser { 1907b4d72c08SEugene Crosser int rc = 0; 1908b4d72c08SEugene Crosser int cmdlength; 1909b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1910b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1911b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1912b4d72c08SEugene Crosser 1913b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1914b4d72c08SEugene Crosser switch (role) { 1915b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1916b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1917d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1918b4d72c08SEugene Crosser break; 1919b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1920b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1921d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1922b4d72c08SEugene Crosser break; 1923b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1924b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1925d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1926b4d72c08SEugene Crosser break; 1927b4d72c08SEugene Crosser default: 1928b4d72c08SEugene Crosser return -EINVAL; 1929b4d72c08SEugene Crosser } 1930b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1931b4d72c08SEugene Crosser return -EOPNOTSUPP; 1932d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 19331aec42bcSThomas Richter if (!iob) 19341aec42bcSThomas Richter return -ENOMEM; 1935b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1936b4d72c08SEugene Crosser (void *)&cbctl); 1937c88394e7SEugene Crosser if (rc < 0) 1938b4d72c08SEugene Crosser return rc; 1939c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1940b4d72c08SEugene Crosser } 1941b4d72c08SEugene Crosser 19429f48b9dbSEugene Crosser /** 19439f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 19449f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 19459f48b9dbSEugene Crosser * 19469f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 19479f48b9dbSEugene Crosser */ 19489f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 19499f48b9dbSEugene Crosser { 19509f48b9dbSEugene Crosser int rc; 19519f48b9dbSEugene Crosser 19529f48b9dbSEugene Crosser if (pnso_rc == 0) 19539f48b9dbSEugene Crosser switch (response) { 19549f48b9dbSEugene Crosser case 0x0001: 19559f48b9dbSEugene Crosser rc = 0; 19569f48b9dbSEugene Crosser break; 19579f48b9dbSEugene Crosser case 0x0004: 19589f48b9dbSEugene Crosser case 0x0100: 19599f48b9dbSEugene Crosser case 0x0106: 1960ffb95251SEugene Crosser rc = -EOPNOTSUPP; 19619f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 19629f48b9dbSEugene Crosser "Setting address notification failed\n"); 19639f48b9dbSEugene Crosser break; 19649f48b9dbSEugene Crosser case 0x0107: 19659f48b9dbSEugene Crosser rc = -EAGAIN; 19669f48b9dbSEugene Crosser break; 19679f48b9dbSEugene Crosser default: 19689f48b9dbSEugene Crosser rc = -EIO; 19699f48b9dbSEugene Crosser } 19709f48b9dbSEugene Crosser else 19719f48b9dbSEugene Crosser rc = -EIO; 19729f48b9dbSEugene Crosser 19739f48b9dbSEugene Crosser if (rc) { 19749f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 19759f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 19769f48b9dbSEugene Crosser } 19779f48b9dbSEugene Crosser return rc; 19789f48b9dbSEugene Crosser } 19799f48b9dbSEugene Crosser 19809f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 19819f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 19829f48b9dbSEugene Crosser { 19839f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 19849f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 19859f48b9dbSEugene Crosser u8 code; 19869f48b9dbSEugene Crosser 19879f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 19889f48b9dbSEugene Crosser WARN_ON_ONCE(1); 19899f48b9dbSEugene Crosser return; 19909f48b9dbSEugene Crosser } 19919f48b9dbSEugene Crosser 19929f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 19939f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 19949f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 19959f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 19969f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 19979f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 19989f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 19999f48b9dbSEugene Crosser } 20009f48b9dbSEugene Crosser 20019f48b9dbSEugene Crosser /** 20029f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 20039f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 20049f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 20059f48b9dbSEugene Crosser * 20069f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 20079f48b9dbSEugene Crosser * 20089f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 20099f48b9dbSEugene Crosser * currently registered hosts. 20109f48b9dbSEugene Crosser */ 20119f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 20129f48b9dbSEugene Crosser { 20139f48b9dbSEugene Crosser int rc; 20149f48b9dbSEugene Crosser u16 response; 20159f48b9dbSEugene Crosser struct ccw_device *ddev; 20169f48b9dbSEugene Crosser struct subchannel_id schid; 20179f48b9dbSEugene Crosser 20189f48b9dbSEugene Crosser if (!card) 20199f48b9dbSEugene Crosser return -EINVAL; 20209f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 20219f48b9dbSEugene Crosser return -EOPNOTSUPP; 20229f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 20239f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 20249f48b9dbSEugene Crosser 20259f48b9dbSEugene Crosser if (enable) { 20269f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 20279f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 20289f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 20299f48b9dbSEugene Crosser } else 20309f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 20319f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 20329f48b9dbSEugene Crosser } 20339f48b9dbSEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set); 20349f48b9dbSEugene Crosser 2035caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 2036caa1f0b1SHans Wippel { 2037caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 2038caa1f0b1SHans Wippel card->options.sbp.hostnotification); 2039caa1f0b1SHans Wippel } 2040caa1f0b1SHans Wippel 2041a45b3fafSHans Wippel /* VNIC Characteristics support */ 2042a45b3fafSHans Wippel 2043a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 2044a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 2045a45b3fafSHans Wippel { 2046a45b3fafSHans Wippel int rc; 2047a45b3fafSHans Wippel 2048a45b3fafSHans Wippel switch (ipa_rc) { 2049a45b3fafSHans Wippel case IPA_RC_SUCCESS: 2050a45b3fafSHans Wippel return ipa_rc; 2051a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 2052a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 2053a45b3fafSHans Wippel rc = -EOPNOTSUPP; 2054a45b3fafSHans Wippel break; 2055a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 2056a45b3fafSHans Wippel rc = -EALREADY; 2057a45b3fafSHans Wippel break; 2058a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 2059a45b3fafSHans Wippel rc = -EBUSY; 2060a45b3fafSHans Wippel break; 2061a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 2062a45b3fafSHans Wippel rc = -ENOSPC; 2063a45b3fafSHans Wippel break; 2064a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 2065a45b3fafSHans Wippel rc = -EACCES; 2066a45b3fafSHans Wippel break; 2067a45b3fafSHans Wippel default: 2068a45b3fafSHans Wippel rc = -EIO; 2069a45b3fafSHans Wippel } 2070a45b3fafSHans Wippel 2071a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 2072a45b3fafSHans Wippel return rc; 2073a45b3fafSHans Wippel } 2074a45b3fafSHans Wippel 2075a45b3fafSHans Wippel /* generic VNICC request call back control */ 2076a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 2077a45b3fafSHans Wippel u32 sub_cmd; 2078caa1f0b1SHans Wippel struct { 2079caa1f0b1SHans Wippel u32 vnic_char; 2080349d13d5SHans Wippel u32 timeout; 2081caa1f0b1SHans Wippel } param; 2082caa1f0b1SHans Wippel struct { 2083349d13d5SHans Wippel union{ 2084caa1f0b1SHans Wippel u32 *sup_cmds; 2085349d13d5SHans Wippel u32 *timeout; 2086349d13d5SHans Wippel }; 2087caa1f0b1SHans Wippel } result; 2088a45b3fafSHans Wippel }; 2089a45b3fafSHans Wippel 2090a45b3fafSHans Wippel /* generic VNICC request call back */ 2091a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 2092a45b3fafSHans Wippel struct qeth_reply *reply, 2093a45b3fafSHans Wippel unsigned long data) 2094a45b3fafSHans Wippel { 2095caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 2096caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 2097a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2098a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 2099a45b3fafSHans Wippel 2100a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 2101a45b3fafSHans Wippel if (cmd->hdr.return_code) 2102a45b3fafSHans Wippel return 0; 2103a45b3fafSHans Wippel /* return results to caller */ 2104a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 2105a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 2106a45b3fafSHans Wippel 2107caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 2108caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 2109caa1f0b1SHans Wippel 2110349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 2111349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 2112349d13d5SHans Wippel 2113a45b3fafSHans Wippel return 0; 2114a45b3fafSHans Wippel } 2115a45b3fafSHans Wippel 2116a45b3fafSHans Wippel /* generic VNICC request */ 2117a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 2118a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 2119a45b3fafSHans Wippel { 2120a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 2121a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 2122a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 2123a45b3fafSHans Wippel int rc; 2124a45b3fafSHans Wippel 2125a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 2126a45b3fafSHans Wippel 2127a45b3fafSHans Wippel /* get new buffer for request */ 2128a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 2129a45b3fafSHans Wippel if (!iob) 2130a45b3fafSHans Wippel return -ENOMEM; 2131a45b3fafSHans Wippel 2132a45b3fafSHans Wippel /* create header for request */ 2133ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob); 2134a45b3fafSHans Wippel req = &cmd->data.vnicc; 2135a45b3fafSHans Wippel 2136a45b3fafSHans Wippel /* create sub command header for request */ 2137a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 2138a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 2139a45b3fafSHans Wippel 2140a45b3fafSHans Wippel /* create sub command specific request fields */ 2141a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 2142a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 2143a45b3fafSHans Wippel break; 2144caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 2145caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 2146caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 2147caa1f0b1SHans Wippel break; 2148caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 2149caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 2150caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 2151caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 2152caa1f0b1SHans Wippel break; 2153349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 2154349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 2155349d13d5SHans Wippel /* fallthrough */ 2156349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 2157349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 2158349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 2159349d13d5SHans Wippel break; 2160a45b3fafSHans Wippel default: 2161a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 2162a45b3fafSHans Wippel return -EOPNOTSUPP; 2163a45b3fafSHans Wippel } 2164a45b3fafSHans Wippel 2165a45b3fafSHans Wippel /* send request */ 2166a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 2167a45b3fafSHans Wippel (void *) cbctl); 2168a45b3fafSHans Wippel 2169a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 2170a45b3fafSHans Wippel } 2171a45b3fafSHans Wippel 2172a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 2173a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 2174a45b3fafSHans Wippel { 2175a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2176a45b3fafSHans Wippel 2177a45b3fafSHans Wippel /* prepare callback control */ 2178a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2179a45b3fafSHans Wippel 2180a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2181a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2182a45b3fafSHans Wippel } 2183a45b3fafSHans Wippel 2184caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2185caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2186caa1f0b1SHans Wippel u32 *sup_cmds) 2187caa1f0b1SHans Wippel { 2188caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2189caa1f0b1SHans Wippel 2190caa1f0b1SHans Wippel /* prepare callback control */ 2191caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2192caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2193caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2194caa1f0b1SHans Wippel 2195caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2196caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2197caa1f0b1SHans Wippel } 2198caa1f0b1SHans Wippel 2199caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2200caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2201caa1f0b1SHans Wippel u32 cmd) 2202caa1f0b1SHans Wippel { 2203caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2204caa1f0b1SHans Wippel 2205caa1f0b1SHans Wippel /* prepare callback control */ 2206caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2207caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2208caa1f0b1SHans Wippel 2209caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2210caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2211caa1f0b1SHans Wippel } 2212caa1f0b1SHans Wippel 2213349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2214349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2215349d13d5SHans Wippel u32 cmd, u32 *timeout) 2216349d13d5SHans Wippel { 2217349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2218349d13d5SHans Wippel 2219349d13d5SHans Wippel /* prepare callback control */ 2220349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2221349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2222349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2223349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2224349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2225349d13d5SHans Wippel cbctl.result.timeout = timeout; 2226349d13d5SHans Wippel 2227349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2228349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2229349d13d5SHans Wippel } 2230349d13d5SHans Wippel 2231caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2232caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2233caa1f0b1SHans Wippel { 2234caa1f0b1SHans Wippel int rc = 0; 2235caa1f0b1SHans Wippel u32 cmd; 2236caa1f0b1SHans Wippel 2237caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2238caa1f0b1SHans Wippel 2239caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2240caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2241caa1f0b1SHans Wippel return -EBUSY; 2242caa1f0b1SHans Wippel 2243caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2244caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2245caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2246caa1f0b1SHans Wippel return -EOPNOTSUPP; 2247caa1f0b1SHans Wippel 2248caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2249caa1f0b1SHans Wippel if (state) { 2250caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2251caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2252caa1f0b1SHans Wippel } else { 2253caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2254caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2255caa1f0b1SHans Wippel } 2256caa1f0b1SHans Wippel 2257caa1f0b1SHans Wippel /* do we need to do anything? */ 2258caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2259caa1f0b1SHans Wippel return rc; 2260caa1f0b1SHans Wippel 2261caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2262caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2263caa1f0b1SHans Wippel if (state) 2264caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2265caa1f0b1SHans Wippel else 2266caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2267caa1f0b1SHans Wippel return rc; 2268caa1f0b1SHans Wippel } 2269caa1f0b1SHans Wippel 2270caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2271caa1f0b1SHans Wippel if (rc) 2272caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2273caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2274349d13d5SHans Wippel else { 2275349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2276349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2277caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2278349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2279349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2280349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2281349d13d5SHans Wippel } 2282caa1f0b1SHans Wippel 2283caa1f0b1SHans Wippel return rc; 2284caa1f0b1SHans Wippel } 2285caa1f0b1SHans Wippel 2286caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2287caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2288caa1f0b1SHans Wippel { 2289caa1f0b1SHans Wippel int rc = 0; 2290caa1f0b1SHans Wippel 2291caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2292caa1f0b1SHans Wippel 2293caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2294caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2295caa1f0b1SHans Wippel return -EBUSY; 2296caa1f0b1SHans Wippel 2297caa1f0b1SHans Wippel /* check if characteristic is supported */ 2298caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2299caa1f0b1SHans Wippel return -EOPNOTSUPP; 2300caa1f0b1SHans Wippel 2301caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2302caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2303caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2304caa1f0b1SHans Wippel 2305caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2306caa1f0b1SHans Wippel return rc; 2307caa1f0b1SHans Wippel } 2308caa1f0b1SHans Wippel 2309349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2310349d13d5SHans Wippel * supports timeout 2311349d13d5SHans Wippel */ 2312349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2313349d13d5SHans Wippel { 2314349d13d5SHans Wippel int rc = 0; 2315349d13d5SHans Wippel 2316349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2317349d13d5SHans Wippel 2318349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2319349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2320349d13d5SHans Wippel return -EBUSY; 2321349d13d5SHans Wippel 2322349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2323349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2324349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2325349d13d5SHans Wippel return -EOPNOTSUPP; 2326349d13d5SHans Wippel 2327349d13d5SHans Wippel /* do we need to do anything? */ 2328349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2329349d13d5SHans Wippel return rc; 2330349d13d5SHans Wippel 2331349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2332349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2333349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2334349d13d5SHans Wippel return rc; 2335349d13d5SHans Wippel } 2336349d13d5SHans Wippel 2337349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2338349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2339349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2340349d13d5SHans Wippel if (!rc) 2341349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2342349d13d5SHans Wippel 2343349d13d5SHans Wippel return rc; 2344349d13d5SHans Wippel } 2345349d13d5SHans Wippel 2346349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2347349d13d5SHans Wippel * learning supports timeout 2348349d13d5SHans Wippel */ 2349349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2350349d13d5SHans Wippel { 2351349d13d5SHans Wippel int rc = 0; 2352349d13d5SHans Wippel 2353349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2354349d13d5SHans Wippel 2355349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2356349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2357349d13d5SHans Wippel return -EBUSY; 2358349d13d5SHans Wippel 2359349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2360349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2361349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2362349d13d5SHans Wippel return -EOPNOTSUPP; 2363349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2364349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2365349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2366349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2367349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2368349d13d5SHans Wippel timeout); 2369349d13d5SHans Wippel 2370349d13d5SHans Wippel return rc; 2371349d13d5SHans Wippel } 2372349d13d5SHans Wippel 2373caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2374caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2375caa1f0b1SHans Wippel { 2376caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2377caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2378caa1f0b1SHans Wippel return false; 2379caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2380caa1f0b1SHans Wippel * or the card is offline. 2381caa1f0b1SHans Wippel */ 2382caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2383caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2384caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2385caa1f0b1SHans Wippel return false; 2386caa1f0b1SHans Wippel } 2387caa1f0b1SHans Wippel return true; 2388caa1f0b1SHans Wippel } 2389caa1f0b1SHans Wippel 2390349d13d5SHans Wippel /* recover user timeout setting */ 2391349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2392349d13d5SHans Wippel u32 *timeout) 2393349d13d5SHans Wippel { 2394349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2395349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2396349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2397349d13d5SHans Wippel timeout)) 2398349d13d5SHans Wippel return false; 2399349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2400349d13d5SHans Wippel return true; 2401349d13d5SHans Wippel } 2402349d13d5SHans Wippel 2403caa1f0b1SHans Wippel /* recover user characteristic setting */ 2404caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2405caa1f0b1SHans Wippel bool enable) 2406caa1f0b1SHans Wippel { 2407caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2408caa1f0b1SHans Wippel 2409caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2410caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2411caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2412caa1f0b1SHans Wippel return false; 2413caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2414caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2415caa1f0b1SHans Wippel return true; 2416caa1f0b1SHans Wippel } 2417caa1f0b1SHans Wippel 2418a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2419a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2420a45b3fafSHans Wippel { 2421349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2422caa1f0b1SHans Wippel unsigned int chars_len, i; 2423caa1f0b1SHans Wippel unsigned long chars_tmp; 2424caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2425caa1f0b1SHans Wippel bool enable, error; 2426caa1f0b1SHans Wippel 2427a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2428caa1f0b1SHans Wippel /* reset rx_bcast */ 2429caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2430a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2431a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2432349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2433349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2434caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2435caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2436a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2437a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2438caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2439caa1f0b1SHans Wippel return; 2440a45b3fafSHans Wippel } 2441caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2442caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2443caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2444caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2445caa1f0b1SHans Wippel vnicc = BIT(i); 2446caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2447349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2448349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2449349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2450caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2451caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2452caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2453caa1f0b1SHans Wippel } 2454caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2455349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2456349d13d5SHans Wippel timeout); 2457caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2458caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2459caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2460caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2461caa1f0b1SHans Wippel vnicc = BIT(i); 2462caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2463caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2464caa1f0b1SHans Wippel } 2465caa1f0b1SHans Wippel if (error) 2466caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2467caa1f0b1SHans Wippel } 2468caa1f0b1SHans Wippel 2469caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2470caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2471caa1f0b1SHans Wippel { 2472caa1f0b1SHans Wippel /* characteristics values */ 2473caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2474caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2475349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2476caa1f0b1SHans Wippel /* supported commands */ 2477caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2478349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2479caa1f0b1SHans Wippel /* settings wanted by users */ 2480caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2481a45b3fafSHans Wippel } 2482a45b3fafSHans Wippel 24834a71df50SFrank Blaschka module_init(qeth_l2_init); 24844a71df50SFrank Blaschka module_exit(qeth_l2_exit); 24854a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 24864a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 24874a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2488