14a71df50SFrank Blaschka /* 24a71df50SFrank Blaschka * drivers/s390/net/qeth_l2_main.c 34a71df50SFrank Blaschka * 4bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 54a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 64a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 74a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 84a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 94a71df50SFrank Blaschka */ 104a71df50SFrank Blaschka 1174eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1274eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1374eacdb9SFrank Blaschka 144a71df50SFrank Blaschka #include <linux/module.h> 154a71df50SFrank Blaschka #include <linux/moduleparam.h> 164a71df50SFrank Blaschka #include <linux/string.h> 174a71df50SFrank Blaschka #include <linux/errno.h> 184a71df50SFrank Blaschka #include <linux/kernel.h> 195a0e3ad6STejun Heo #include <linux/slab.h> 204a71df50SFrank Blaschka #include <linux/etherdevice.h> 214a71df50SFrank Blaschka #include <linux/mii.h> 224a71df50SFrank Blaschka #include <linux/ip.h> 23ccffad25SJiri Pirko #include <linux/list.h> 244a71df50SFrank Blaschka 254a71df50SFrank Blaschka #include "qeth_core.h" 264a71df50SFrank Blaschka 274a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 284a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 294a71df50SFrank Blaschka static int qeth_l2_send_delmac(struct qeth_card *, __u8 *); 304a71df50SFrank Blaschka static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *, 314a71df50SFrank Blaschka enum qeth_ipa_cmds, 324a71df50SFrank Blaschka int (*reply_cb) (struct qeth_card *, 334a71df50SFrank Blaschka struct qeth_reply*, 344a71df50SFrank Blaschka unsigned long)); 354a71df50SFrank Blaschka static void qeth_l2_set_multicast_list(struct net_device *); 364a71df50SFrank Blaschka static int qeth_l2_recover(void *); 374a71df50SFrank Blaschka 384a71df50SFrank Blaschka static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 394a71df50SFrank Blaschka { 40509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 414a71df50SFrank Blaschka struct mii_ioctl_data *mii_data; 424a71df50SFrank Blaschka int rc = 0; 434a71df50SFrank Blaschka 444a71df50SFrank Blaschka if (!card) 454a71df50SFrank Blaschka return -ENODEV; 464a71df50SFrank Blaschka 474a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) && 484a71df50SFrank Blaschka (card->state != CARD_STATE_SOFTSETUP)) 494a71df50SFrank Blaschka return -ENODEV; 504a71df50SFrank Blaschka 514a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 524a71df50SFrank Blaschka return -EPERM; 534a71df50SFrank Blaschka 544a71df50SFrank Blaschka switch (cmd) { 554a71df50SFrank Blaschka case SIOC_QETH_ADP_SET_SNMP_CONTROL: 564a71df50SFrank Blaschka rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); 574a71df50SFrank Blaschka break; 584a71df50SFrank Blaschka case SIOC_QETH_GET_CARD_TYPE: 595113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD || 605113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 615113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) && 624a71df50SFrank Blaschka !card->info.guestlan) 634a71df50SFrank Blaschka return 1; 644a71df50SFrank Blaschka return 0; 654a71df50SFrank Blaschka break; 664a71df50SFrank Blaschka case SIOCGMIIPHY: 674a71df50SFrank Blaschka mii_data = if_mii(rq); 684a71df50SFrank Blaschka mii_data->phy_id = 0; 694a71df50SFrank Blaschka break; 704a71df50SFrank Blaschka case SIOCGMIIREG: 714a71df50SFrank Blaschka mii_data = if_mii(rq); 724a71df50SFrank Blaschka if (mii_data->phy_id != 0) 734a71df50SFrank Blaschka rc = -EINVAL; 744a71df50SFrank Blaschka else 754a71df50SFrank Blaschka mii_data->val_out = qeth_mdio_read(dev, 764a71df50SFrank Blaschka mii_data->phy_id, mii_data->reg_num); 774a71df50SFrank Blaschka break; 784a71df50SFrank Blaschka default: 794a71df50SFrank Blaschka rc = -EOPNOTSUPP; 804a71df50SFrank Blaschka } 814a71df50SFrank Blaschka if (rc) 82847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "ioce%d", rc); 834a71df50SFrank Blaschka return rc; 844a71df50SFrank Blaschka } 854a71df50SFrank Blaschka 864a71df50SFrank Blaschka static int qeth_l2_verify_dev(struct net_device *dev) 874a71df50SFrank Blaschka { 884a71df50SFrank Blaschka struct qeth_card *card; 894a71df50SFrank Blaschka unsigned long flags; 904a71df50SFrank Blaschka int rc = 0; 914a71df50SFrank Blaschka 924a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 934a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 944a71df50SFrank Blaschka if (card->dev == dev) { 954a71df50SFrank Blaschka rc = QETH_REAL_CARD; 964a71df50SFrank Blaschka break; 974a71df50SFrank Blaschka } 984a71df50SFrank Blaschka } 994a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 1004a71df50SFrank Blaschka 1014a71df50SFrank Blaschka return rc; 1024a71df50SFrank Blaschka } 1034a71df50SFrank Blaschka 1044a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 1054a71df50SFrank Blaschka { 1064a71df50SFrank Blaschka struct qeth_card *card; 1074a71df50SFrank Blaschka struct net_device *ndev; 108f06f6f32SCornelia Huck __u16 temp_dev_no; 1094a71df50SFrank Blaschka unsigned long flags; 110f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 1114a71df50SFrank Blaschka 1124a71df50SFrank Blaschka ndev = NULL; 1134a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 1144a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 1154a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 116f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 117f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 1184a71df50SFrank Blaschka ndev = card->dev; 1194a71df50SFrank Blaschka break; 1204a71df50SFrank Blaschka } 1214a71df50SFrank Blaschka } 1224a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 1234a71df50SFrank Blaschka return ndev; 1244a71df50SFrank Blaschka } 1254a71df50SFrank Blaschka 1264a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card, 1274a71df50SFrank Blaschka struct qeth_reply *reply, 1284a71df50SFrank Blaschka unsigned long data) 1294a71df50SFrank Blaschka { 1304a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1314a71df50SFrank Blaschka __u8 *mac; 1324a71df50SFrank Blaschka 133847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Sgmacb"); 1344a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1354a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1364a71df50SFrank Blaschka /* MAC already registered, needed in couple/uncouple case */ 1370666eb06SUrsula Braun if (cmd->hdr.return_code == IPA_RC_L2_DUP_MAC) { 1387c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s \n", 1397c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card)); 1404a71df50SFrank Blaschka cmd->hdr.return_code = 0; 1414a71df50SFrank Blaschka } 1424a71df50SFrank Blaschka if (cmd->hdr.return_code) 1437c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %x\n", 1447c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1454a71df50SFrank Blaschka return 0; 1464a71df50SFrank Blaschka } 1474a71df50SFrank Blaschka 1484a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) 1494a71df50SFrank Blaschka { 150847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Sgmac"); 1514a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, 1524a71df50SFrank Blaschka qeth_l2_send_setgroupmac_cb); 1534a71df50SFrank Blaschka } 1544a71df50SFrank Blaschka 1554a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card, 1564a71df50SFrank Blaschka struct qeth_reply *reply, 1574a71df50SFrank Blaschka unsigned long data) 1584a71df50SFrank Blaschka { 1594a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1604a71df50SFrank Blaschka __u8 *mac; 1614a71df50SFrank Blaschka 162847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Dgmacb"); 1634a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1644a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1654a71df50SFrank Blaschka if (cmd->hdr.return_code) 1667c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Could not delete group MAC %pM on %s: %x\n", 1677c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1684a71df50SFrank Blaschka return 0; 1694a71df50SFrank Blaschka } 1704a71df50SFrank Blaschka 1714a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) 1724a71df50SFrank Blaschka { 173847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Dgmac"); 1744a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, 1754a71df50SFrank Blaschka qeth_l2_send_delgroupmac_cb); 1764a71df50SFrank Blaschka } 1774a71df50SFrank Blaschka 1787db2266aSFrank Blaschka static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac) 1794a71df50SFrank Blaschka { 1804a71df50SFrank Blaschka struct qeth_mc_mac *mc; 1817db2266aSFrank Blaschka int rc; 1824a71df50SFrank Blaschka 1834a71df50SFrank Blaschka mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC); 1844a71df50SFrank Blaschka 18514cc21b6SFrank Blaschka if (!mc) 1864a71df50SFrank Blaschka return; 1874a71df50SFrank Blaschka 1884a71df50SFrank Blaschka memcpy(mc->mc_addr, mac, OSA_ADDR_LEN); 1894a71df50SFrank Blaschka mc->mc_addrlen = OSA_ADDR_LEN; 1907db2266aSFrank Blaschka mc->is_vmac = vmac; 1914a71df50SFrank Blaschka 1927db2266aSFrank Blaschka if (vmac) { 1937db2266aSFrank Blaschka rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, 1947db2266aSFrank Blaschka NULL); 1957db2266aSFrank Blaschka } else { 1967db2266aSFrank Blaschka rc = qeth_l2_send_setgroupmac(card, mac); 1977db2266aSFrank Blaschka } 1987db2266aSFrank Blaschka 1997db2266aSFrank Blaschka if (!rc) 2004a71df50SFrank Blaschka list_add_tail(&mc->list, &card->mc_list); 2014a71df50SFrank Blaschka else 2024a71df50SFrank Blaschka kfree(mc); 2034a71df50SFrank Blaschka } 2044a71df50SFrank Blaschka 2054a71df50SFrank Blaschka static void qeth_l2_del_all_mc(struct qeth_card *card) 2064a71df50SFrank Blaschka { 2074a71df50SFrank Blaschka struct qeth_mc_mac *mc, *tmp; 2084a71df50SFrank Blaschka 2094a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 2104a71df50SFrank Blaschka list_for_each_entry_safe(mc, tmp, &card->mc_list, list) { 2117db2266aSFrank Blaschka if (mc->is_vmac) 2127db2266aSFrank Blaschka qeth_l2_send_setdelmac(card, mc->mc_addr, 2137db2266aSFrank Blaschka IPA_CMD_DELVMAC, NULL); 2147db2266aSFrank Blaschka else 2154a71df50SFrank Blaschka qeth_l2_send_delgroupmac(card, mc->mc_addr); 2164a71df50SFrank Blaschka list_del(&mc->list); 2174a71df50SFrank Blaschka kfree(mc); 2184a71df50SFrank Blaschka } 2194a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 2204a71df50SFrank Blaschka } 2214a71df50SFrank Blaschka 222ce73e10eSKlaus-Dieter Wacker static inline int qeth_l2_get_cast_type(struct qeth_card *card, 223ce73e10eSKlaus-Dieter Wacker struct sk_buff *skb) 2244a71df50SFrank Blaschka { 225ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 226ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 227ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 228ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 229ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 230ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 231ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 2324a71df50SFrank Blaschka } 2334a71df50SFrank Blaschka 2344a71df50SFrank Blaschka static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 2354a71df50SFrank Blaschka struct sk_buff *skb, int ipv, int cast_type) 2364a71df50SFrank Blaschka { 237683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2384a71df50SFrank Blaschka 2394a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2404a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 2414a71df50SFrank Blaschka 2424a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2434a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2444a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2454a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2464a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2474a71df50SFrank Blaschka else 248ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2494a71df50SFrank Blaschka 2504a71df50SFrank Blaschka hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; 2514a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2524a71df50SFrank Blaschka * information to be present in 2534a71df50SFrank Blaschka * the QDIO header */ 2544a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2554a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2564a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2574a71df50SFrank Blaschka } 2584a71df50SFrank Blaschka } 2594a71df50SFrank Blaschka 2604a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2614a71df50SFrank Blaschka struct qeth_reply *reply, unsigned long data) 2624a71df50SFrank Blaschka { 2634a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2644a71df50SFrank Blaschka 265847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2664a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 2674a71df50SFrank Blaschka if (cmd->hdr.return_code) { 26814cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. " 2694a71df50SFrank Blaschka "Continuing\n", cmd->data.setdelvlan.vlan_id, 2704a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 271847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 272847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 2734a71df50SFrank Blaschka } 2744a71df50SFrank Blaschka return 0; 2754a71df50SFrank Blaschka } 2764a71df50SFrank Blaschka 2774a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2784a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2794a71df50SFrank Blaschka { 2804a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2814a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2824a71df50SFrank Blaschka 283847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 2844a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 2854a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 2864a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 2874a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, 2884a71df50SFrank Blaschka qeth_l2_send_setdelvlan_cb, NULL); 2894a71df50SFrank Blaschka } 2904a71df50SFrank Blaschka 2914a71df50SFrank Blaschka static void qeth_l2_process_vlans(struct qeth_card *card, int clear) 2924a71df50SFrank Blaschka { 2934a71df50SFrank Blaschka struct qeth_vlan_vid *id; 294847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 2954a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 2964a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 2974a71df50SFrank Blaschka if (clear) 2984a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 2994a71df50SFrank Blaschka IPA_CMD_DELVLAN); 3004a71df50SFrank Blaschka else 3014a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 3024a71df50SFrank Blaschka IPA_CMD_SETVLAN); 3034a71df50SFrank Blaschka } 3044a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3054a71df50SFrank Blaschka } 3064a71df50SFrank Blaschka 3074a71df50SFrank Blaschka static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) 3084a71df50SFrank Blaschka { 309509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3104a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3114a71df50SFrank Blaschka 312847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 31310651db7SUrsula Braun if (!vid) 31410651db7SUrsula Braun return; 3155113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSM) { 316847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidOSM"); 3175113fec0SUrsula Braun return; 3185113fec0SUrsula Braun } 3198e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 320847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 3218e98ac48SUrsula Braun return; 3228e98ac48SUrsula Braun } 3234a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3244a71df50SFrank Blaschka if (id) { 3254a71df50SFrank Blaschka id->vid = vid; 3264a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3274a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3284a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3294a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3304a71df50SFrank Blaschka } 3314a71df50SFrank Blaschka } 3324a71df50SFrank Blaschka 3334a71df50SFrank Blaschka static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) 3344a71df50SFrank Blaschka { 3354a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 336509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3374a71df50SFrank Blaschka 338847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3395113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSM) { 340847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidOSM"); 3415113fec0SUrsula Braun return; 3425113fec0SUrsula Braun } 3438e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 344847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3458e98ac48SUrsula Braun return; 3468e98ac48SUrsula Braun } 3474a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3484a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3494a71df50SFrank Blaschka if (id->vid == vid) { 3504a71df50SFrank Blaschka list_del(&id->list); 3514a71df50SFrank Blaschka tmpid = id; 3524a71df50SFrank Blaschka break; 3534a71df50SFrank Blaschka } 3544a71df50SFrank Blaschka } 3554a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3564a71df50SFrank Blaschka if (tmpid) { 3574a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3584a71df50SFrank Blaschka kfree(tmpid); 3594a71df50SFrank Blaschka } 3604a71df50SFrank Blaschka qeth_l2_set_multicast_list(card->dev); 3614a71df50SFrank Blaschka } 3624a71df50SFrank Blaschka 3634a71df50SFrank Blaschka static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3644a71df50SFrank Blaschka { 3654a71df50SFrank Blaschka int rc = 0; 3664a71df50SFrank Blaschka 367d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 368d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3694a71df50SFrank Blaschka 3704a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3714a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3724a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3734a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3744a71df50SFrank Blaschka if (recovery_mode && 3754a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3764a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3774a71df50SFrank Blaschka } else { 3784a71df50SFrank Blaschka rtnl_lock(); 3794a71df50SFrank Blaschka dev_close(card->dev); 3804a71df50SFrank Blaschka rtnl_unlock(); 3814a71df50SFrank Blaschka } 382932e1583SKlaus-Dieter Wacker if (!card->use_hard_stop || 383932e1583SKlaus-Dieter Wacker recovery_mode) { 3844a71df50SFrank Blaschka __u8 *mac = &card->dev->dev_addr[0]; 3854a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, mac); 386d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc); 3874a71df50SFrank Blaschka } 3884a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3894a71df50SFrank Blaschka } 3904a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 3914a71df50SFrank Blaschka qeth_l2_process_vlans(card, 1); 392932e1583SKlaus-Dieter Wacker if (!card->use_hard_stop || 393932e1583SKlaus-Dieter Wacker recovery_mode) 3944a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 3954a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3964a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3974a71df50SFrank Blaschka } 3984a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3994a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 4004a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 4014a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 4024a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 4034a71df50SFrank Blaschka } 4044a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 4054a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 4064a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 4074a71df50SFrank Blaschka } 4084a71df50SFrank Blaschka card->use_hard_stop = 0; 4094a71df50SFrank Blaschka return rc; 4104a71df50SFrank Blaschka } 4114a71df50SFrank Blaschka 412a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 413a1c3ed4cSFrank Blaschka int budget, int *done) 4144a71df50SFrank Blaschka { 415a1c3ed4cSFrank Blaschka int work_done = 0; 4164a71df50SFrank Blaschka struct sk_buff *skb; 4174a71df50SFrank Blaschka struct qeth_hdr *hdr; 4184a71df50SFrank Blaschka unsigned int len; 4194a71df50SFrank Blaschka 420a1c3ed4cSFrank Blaschka *done = 0; 421a1c3ed4cSFrank Blaschka BUG_ON(!budget); 422a1c3ed4cSFrank Blaschka while (budget) { 423a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 424a1c3ed4cSFrank Blaschka card->qdio.in_q->bufs[card->rx.b_index].buffer, 425a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 426a1c3ed4cSFrank Blaschka if (!skb) { 427a1c3ed4cSFrank Blaschka *done = 1; 428a1c3ed4cSFrank Blaschka break; 4294a71df50SFrank Blaschka } 430a1c3ed4cSFrank Blaschka skb->dev = card->dev; 4314a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4324a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4334a71df50SFrank Blaschka skb->pkt_type = PACKET_HOST; 4344a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4354a71df50SFrank Blaschka if (card->options.checksum_type == NO_CHECKSUMMING) 4364a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_UNNECESSARY; 4374a71df50SFrank Blaschka else 4384a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_NONE; 43912883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4404a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4414a71df50SFrank Blaschka len = skb->len; 442a1c3ed4cSFrank Blaschka netif_receive_skb(skb); 4434a71df50SFrank Blaschka break; 4444a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4452d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4464a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4474a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4484a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4494a71df50SFrank Blaschka len = skb->len; 4504a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4514a71df50SFrank Blaschka break; 4522d488c2fSUrsula Braun } 4532d488c2fSUrsula Braun /* else unknown */ 4544a71df50SFrank Blaschka default: 4554a71df50SFrank Blaschka dev_kfree_skb_any(skb); 456847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 457d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4584a71df50SFrank Blaschka continue; 4594a71df50SFrank Blaschka } 460a1c3ed4cSFrank Blaschka work_done++; 461a1c3ed4cSFrank Blaschka budget--; 4624a71df50SFrank Blaschka card->stats.rx_packets++; 4634a71df50SFrank Blaschka card->stats.rx_bytes += len; 4644a71df50SFrank Blaschka } 465a1c3ed4cSFrank Blaschka return work_done; 466a1c3ed4cSFrank Blaschka } 467a1c3ed4cSFrank Blaschka 468a1c3ed4cSFrank Blaschka static int qeth_l2_poll(struct napi_struct *napi, int budget) 469a1c3ed4cSFrank Blaschka { 470a1c3ed4cSFrank Blaschka struct qeth_card *card = container_of(napi, struct qeth_card, napi); 471a1c3ed4cSFrank Blaschka int work_done = 0; 472a1c3ed4cSFrank Blaschka struct qeth_qdio_buffer *buffer; 473a1c3ed4cSFrank Blaschka int done; 474a1c3ed4cSFrank Blaschka int new_budget = budget; 475a1c3ed4cSFrank Blaschka 476a1c3ed4cSFrank Blaschka if (card->options.performance_stats) { 477a1c3ed4cSFrank Blaschka card->perf_stats.inbound_cnt++; 478a1c3ed4cSFrank Blaschka card->perf_stats.inbound_start_time = qeth_get_micros(); 479a1c3ed4cSFrank Blaschka } 480a1c3ed4cSFrank Blaschka 481a1c3ed4cSFrank Blaschka while (1) { 482a1c3ed4cSFrank Blaschka if (!card->rx.b_count) { 483a1c3ed4cSFrank Blaschka card->rx.qdio_err = 0; 484a1c3ed4cSFrank Blaschka card->rx.b_count = qdio_get_next_buffers( 485a1c3ed4cSFrank Blaschka card->data.ccwdev, 0, &card->rx.b_index, 486a1c3ed4cSFrank Blaschka &card->rx.qdio_err); 487a1c3ed4cSFrank Blaschka if (card->rx.b_count <= 0) { 488a1c3ed4cSFrank Blaschka card->rx.b_count = 0; 489a1c3ed4cSFrank Blaschka break; 490a1c3ed4cSFrank Blaschka } 491a1c3ed4cSFrank Blaschka card->rx.b_element = 492a1c3ed4cSFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index] 493a1c3ed4cSFrank Blaschka .buffer->element[0]; 494a1c3ed4cSFrank Blaschka card->rx.e_offset = 0; 495a1c3ed4cSFrank Blaschka } 496a1c3ed4cSFrank Blaschka 497a1c3ed4cSFrank Blaschka while (card->rx.b_count) { 498a1c3ed4cSFrank Blaschka buffer = &card->qdio.in_q->bufs[card->rx.b_index]; 499a1c3ed4cSFrank Blaschka if (!(card->rx.qdio_err && 500a1c3ed4cSFrank Blaschka qeth_check_qdio_errors(card, buffer->buffer, 501a1c3ed4cSFrank Blaschka card->rx.qdio_err, "qinerr"))) 502a1c3ed4cSFrank Blaschka work_done += qeth_l2_process_inbound_buffer( 503a1c3ed4cSFrank Blaschka card, new_budget, &done); 504a1c3ed4cSFrank Blaschka else 505a1c3ed4cSFrank Blaschka done = 1; 506a1c3ed4cSFrank Blaschka 507a1c3ed4cSFrank Blaschka if (done) { 508a1c3ed4cSFrank Blaschka if (card->options.performance_stats) 509a1c3ed4cSFrank Blaschka card->perf_stats.bufs_rec++; 510a1c3ed4cSFrank Blaschka qeth_put_buffer_pool_entry(card, 511a1c3ed4cSFrank Blaschka buffer->pool_entry); 512a1c3ed4cSFrank Blaschka qeth_queue_input_buffer(card, card->rx.b_index); 513a1c3ed4cSFrank Blaschka card->rx.b_count--; 514a1c3ed4cSFrank Blaschka if (card->rx.b_count) { 515a1c3ed4cSFrank Blaschka card->rx.b_index = 516a1c3ed4cSFrank Blaschka (card->rx.b_index + 1) % 517a1c3ed4cSFrank Blaschka QDIO_MAX_BUFFERS_PER_Q; 518a1c3ed4cSFrank Blaschka card->rx.b_element = 519a1c3ed4cSFrank Blaschka &card->qdio.in_q 520a1c3ed4cSFrank Blaschka ->bufs[card->rx.b_index] 521a1c3ed4cSFrank Blaschka .buffer->element[0]; 522a1c3ed4cSFrank Blaschka card->rx.e_offset = 0; 523a1c3ed4cSFrank Blaschka } 524a1c3ed4cSFrank Blaschka } 525a1c3ed4cSFrank Blaschka 526a1c3ed4cSFrank Blaschka if (work_done >= budget) 527a1c3ed4cSFrank Blaschka goto out; 528a1c3ed4cSFrank Blaschka else 529a1c3ed4cSFrank Blaschka new_budget = budget - work_done; 530a1c3ed4cSFrank Blaschka } 531a1c3ed4cSFrank Blaschka } 532a1c3ed4cSFrank Blaschka 533a1c3ed4cSFrank Blaschka napi_complete(napi); 534a1c3ed4cSFrank Blaschka if (qdio_start_irq(card->data.ccwdev, 0)) 535a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 536a1c3ed4cSFrank Blaschka out: 537a1c3ed4cSFrank Blaschka if (card->options.performance_stats) 538a1c3ed4cSFrank Blaschka card->perf_stats.inbound_time += qeth_get_micros() - 539a1c3ed4cSFrank Blaschka card->perf_stats.inbound_start_time; 540a1c3ed4cSFrank Blaschka return work_done; 5414a71df50SFrank Blaschka } 5424a71df50SFrank Blaschka 5434a71df50SFrank Blaschka static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 5444a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd, 5454a71df50SFrank Blaschka int (*reply_cb) (struct qeth_card *, 5464a71df50SFrank Blaschka struct qeth_reply*, 5474a71df50SFrank Blaschka unsigned long)) 5484a71df50SFrank Blaschka { 5494a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 5504a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 5514a71df50SFrank Blaschka 552847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdmac"); 5534a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 5544a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 5554a71df50SFrank Blaschka cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; 5564a71df50SFrank Blaschka memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); 5574a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); 5584a71df50SFrank Blaschka } 5594a71df50SFrank Blaschka 5604a71df50SFrank Blaschka static int qeth_l2_send_setmac_cb(struct qeth_card *card, 5614a71df50SFrank Blaschka struct qeth_reply *reply, 5624a71df50SFrank Blaschka unsigned long data) 5634a71df50SFrank Blaschka { 5644a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 5654a71df50SFrank Blaschka 566847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Smaccb"); 5674a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 5684a71df50SFrank Blaschka if (cmd->hdr.return_code) { 569847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2er%x", cmd->hdr.return_code); 5704a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 5710666eb06SUrsula Braun switch (cmd->hdr.return_code) { 5720666eb06SUrsula Braun case IPA_RC_L2_DUP_MAC: 5730666eb06SUrsula Braun case IPA_RC_L2_DUP_LAYER3_MAC: 5740666eb06SUrsula Braun dev_warn(&card->gdev->dev, 575d998ab0bSH Hartley Sweeten "MAC address %pM already exists\n", 576221c17feSUrsula Braun cmd->data.setdelmac.mac); 5770666eb06SUrsula Braun break; 5780666eb06SUrsula Braun case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 5790666eb06SUrsula Braun case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 5800666eb06SUrsula Braun dev_warn(&card->gdev->dev, 581d998ab0bSH Hartley Sweeten "MAC address %pM is not authorized\n", 582221c17feSUrsula Braun cmd->data.setdelmac.mac); 5830666eb06SUrsula Braun break; 5840666eb06SUrsula Braun default: 5850666eb06SUrsula Braun break; 5860666eb06SUrsula Braun } 5874a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 5884a71df50SFrank Blaschka } else { 5894a71df50SFrank Blaschka card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 5904a71df50SFrank Blaschka memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac, 5914a71df50SFrank Blaschka OSA_ADDR_LEN); 59274eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 593d998ab0bSH Hartley Sweeten "MAC address %pM successfully registered on device %s\n", 594d998ab0bSH Hartley Sweeten card->dev->dev_addr, card->dev->name); 5954a71df50SFrank Blaschka } 5964a71df50SFrank Blaschka return 0; 5974a71df50SFrank Blaschka } 5984a71df50SFrank Blaschka 5994a71df50SFrank Blaschka static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 6004a71df50SFrank Blaschka { 601847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Setmac"); 6024a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, 6034a71df50SFrank Blaschka qeth_l2_send_setmac_cb); 6044a71df50SFrank Blaschka } 6054a71df50SFrank Blaschka 6064a71df50SFrank Blaschka static int qeth_l2_send_delmac_cb(struct qeth_card *card, 6074a71df50SFrank Blaschka struct qeth_reply *reply, 6084a71df50SFrank Blaschka unsigned long data) 6094a71df50SFrank Blaschka { 6104a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 6114a71df50SFrank Blaschka 612847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Dmaccb"); 6134a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 6144a71df50SFrank Blaschka if (cmd->hdr.return_code) { 615847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 6164a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 6174a71df50SFrank Blaschka return 0; 6184a71df50SFrank Blaschka } 6194a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 6204a71df50SFrank Blaschka 6214a71df50SFrank Blaschka return 0; 6224a71df50SFrank Blaschka } 6234a71df50SFrank Blaschka 6244a71df50SFrank Blaschka static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) 6254a71df50SFrank Blaschka { 626847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Delmac"); 6274a71df50SFrank Blaschka if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 6284a71df50SFrank Blaschka return 0; 6294a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, 6304a71df50SFrank Blaschka qeth_l2_send_delmac_cb); 6314a71df50SFrank Blaschka } 6324a71df50SFrank Blaschka 6334a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 6344a71df50SFrank Blaschka { 6354a71df50SFrank Blaschka int rc = 0; 6364a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 6374a71df50SFrank Blaschka 638d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "doL2init"); 639d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 6404a71df50SFrank Blaschka 6414a71df50SFrank Blaschka rc = qeth_query_setadapterparms(card); 6424a71df50SFrank Blaschka if (rc) { 64314cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "could not query adapter parameters on " 64414cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 6454a71df50SFrank Blaschka } 6464a71df50SFrank Blaschka 6475113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_IQD || 6485113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 6495113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX || 6505113fec0SUrsula Braun card->info.guestlan) { 6514a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 6524a71df50SFrank Blaschka if (rc) { 65314cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "couldn't get MAC address on " 65414cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 655d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 6564a71df50SFrank Blaschka return rc; 6574a71df50SFrank Blaschka } 658d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN); 6594a71df50SFrank Blaschka } else { 6604a71df50SFrank Blaschka random_ether_addr(card->dev->dev_addr); 6614a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 6624a71df50SFrank Blaschka } 6634a71df50SFrank Blaschka return 0; 6644a71df50SFrank Blaschka } 6654a71df50SFrank Blaschka 6664a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 6674a71df50SFrank Blaschka { 6684a71df50SFrank Blaschka struct sockaddr *addr = p; 669509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 6704a71df50SFrank Blaschka int rc = 0; 6714a71df50SFrank Blaschka 672847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 6734a71df50SFrank Blaschka 6744a71df50SFrank Blaschka if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) { 675847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcINV"); 6764a71df50SFrank Blaschka return -EOPNOTSUPP; 6774a71df50SFrank Blaschka } 6784a71df50SFrank Blaschka 6795113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 6805113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 6815113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 682847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 6834a71df50SFrank Blaschka return -EOPNOTSUPP; 6844a71df50SFrank Blaschka } 685847a50fdSCarsten Otte QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN); 6868e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 687847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 6888e98ac48SUrsula Braun return -ERESTARTSYS; 6898e98ac48SUrsula Braun } 6904a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); 6914a71df50SFrank Blaschka if (!rc) 6924a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 6934a71df50SFrank Blaschka return rc; 6944a71df50SFrank Blaschka } 6954a71df50SFrank Blaschka 6964a71df50SFrank Blaschka static void qeth_l2_set_multicast_list(struct net_device *dev) 6974a71df50SFrank Blaschka { 698509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 699ccffad25SJiri Pirko struct netdev_hw_addr *ha; 7004a71df50SFrank Blaschka 7014a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 7024a71df50SFrank Blaschka return ; 7034a71df50SFrank Blaschka 704847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 7058e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 7068e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 7078e98ac48SUrsula Braun return; 7084a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 7094a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 71022bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 71122bedad3SJiri Pirko qeth_l2_add_mc(card, ha->addr, 0); 7127db2266aSFrank Blaschka 71332e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 714ccffad25SJiri Pirko qeth_l2_add_mc(card, ha->addr, 1); 7157db2266aSFrank Blaschka 7164a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 7174a71df50SFrank Blaschka if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 7184a71df50SFrank Blaschka return; 7194a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 7204a71df50SFrank Blaschka } 7214a71df50SFrank Blaschka 7224a71df50SFrank Blaschka static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 7234a71df50SFrank Blaschka { 7244a71df50SFrank Blaschka int rc; 7254a71df50SFrank Blaschka struct qeth_hdr *hdr = NULL; 7264a71df50SFrank Blaschka int elements = 0; 727509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 7284a71df50SFrank Blaschka struct sk_buff *new_skb = skb; 7294a71df50SFrank Blaschka int ipv = qeth_get_ip_version(skb); 730ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 7314a71df50SFrank Blaschka struct qeth_qdio_out_q *queue = card->qdio.out_qs 7324a71df50SFrank Blaschka [qeth_get_priority_queue(card, skb, ipv, cast_type)]; 7334a71df50SFrank Blaschka int tx_bytes = skb->len; 734683d718aSFrank Blaschka int data_offset = -1; 735683d718aSFrank Blaschka int elements_needed = 0; 736683d718aSFrank Blaschka int hd_len = 0; 7374a71df50SFrank Blaschka 7384a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 7394a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 7404a71df50SFrank Blaschka goto tx_drop; 7414a71df50SFrank Blaschka } 7424a71df50SFrank Blaschka 7434a71df50SFrank Blaschka if ((card->info.type == QETH_CARD_TYPE_OSN) && 7444a71df50SFrank Blaschka (skb->protocol == htons(ETH_P_IPV6))) 7454a71df50SFrank Blaschka goto tx_drop; 7464a71df50SFrank Blaschka 7474a71df50SFrank Blaschka if (card->options.performance_stats) { 7484a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 7494a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 7504a71df50SFrank Blaschka } 7514a71df50SFrank Blaschka netif_stop_queue(dev); 7524a71df50SFrank Blaschka 7534a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 7544a71df50SFrank Blaschka hdr = (struct qeth_hdr *)skb->data; 7554a71df50SFrank Blaschka else { 75664ef8957SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_IQD) { 757683d718aSFrank Blaschka new_skb = skb; 758683d718aSFrank Blaschka data_offset = ETH_HLEN; 759683d718aSFrank Blaschka hd_len = ETH_HLEN; 760683d718aSFrank Blaschka hdr = kmem_cache_alloc(qeth_core_header_cache, 761683d718aSFrank Blaschka GFP_ATOMIC); 762683d718aSFrank Blaschka if (!hdr) 763683d718aSFrank Blaschka goto tx_drop; 764683d718aSFrank Blaschka elements_needed++; 765683d718aSFrank Blaschka skb_reset_mac_header(new_skb); 766683d718aSFrank Blaschka qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type); 767683d718aSFrank Blaschka hdr->hdr.l2.pkt_length = new_skb->len; 768683d718aSFrank Blaschka memcpy(((char *)hdr) + sizeof(struct qeth_hdr), 769683d718aSFrank Blaschka skb_mac_header(new_skb), ETH_HLEN); 770683d718aSFrank Blaschka } else { 771f90b744eSFrank Blaschka /* create a clone with writeable headroom */ 772683d718aSFrank Blaschka new_skb = skb_realloc_headroom(skb, 773683d718aSFrank Blaschka sizeof(struct qeth_hdr)); 7744a71df50SFrank Blaschka if (!new_skb) 7754a71df50SFrank Blaschka goto tx_drop; 776f90b744eSFrank Blaschka hdr = (struct qeth_hdr *)skb_push(new_skb, 777f90b744eSFrank Blaschka sizeof(struct qeth_hdr)); 778683d718aSFrank Blaschka skb_set_mac_header(new_skb, sizeof(struct qeth_hdr)); 7794a71df50SFrank Blaschka qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type); 7804a71df50SFrank Blaschka } 781683d718aSFrank Blaschka } 7824a71df50SFrank Blaschka 783683d718aSFrank Blaschka elements = qeth_get_elements_no(card, (void *)hdr, new_skb, 784683d718aSFrank Blaschka elements_needed); 785683d718aSFrank Blaschka if (!elements) { 786683d718aSFrank Blaschka if (data_offset >= 0) 787683d718aSFrank Blaschka kmem_cache_free(qeth_core_header_cache, hdr); 7884a71df50SFrank Blaschka goto tx_drop; 7894a71df50SFrank Blaschka } 7904a71df50SFrank Blaschka 79151aa165cSFrank Blaschka if (card->info.type != QETH_CARD_TYPE_IQD) { 79251aa165cSFrank Blaschka if (qeth_hdr_chk_and_bounce(new_skb, 79351aa165cSFrank Blaschka sizeof(struct qeth_hdr_layer2))) 79451aa165cSFrank Blaschka goto tx_drop; 7954a71df50SFrank Blaschka rc = qeth_do_send_packet(card, queue, new_skb, hdr, 79664ef8957SFrank Blaschka elements); 79751aa165cSFrank Blaschka } else 7984a71df50SFrank Blaschka rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, 79964ef8957SFrank Blaschka elements, data_offset, hd_len); 8004a71df50SFrank Blaschka if (!rc) { 8014a71df50SFrank Blaschka card->stats.tx_packets++; 8024a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 8034a71df50SFrank Blaschka if (new_skb != skb) 8044a71df50SFrank Blaschka dev_kfree_skb_any(skb); 805ec634fe3SPatrick McHardy rc = NETDEV_TX_OK; 8064a71df50SFrank Blaschka } else { 807683d718aSFrank Blaschka if (data_offset >= 0) 808683d718aSFrank Blaschka kmem_cache_free(qeth_core_header_cache, hdr); 809683d718aSFrank Blaschka 8104a71df50SFrank Blaschka if (rc == -EBUSY) { 8114a71df50SFrank Blaschka if (new_skb != skb) 8124a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 8134a71df50SFrank Blaschka return NETDEV_TX_BUSY; 8144a71df50SFrank Blaschka } else 8154a71df50SFrank Blaschka goto tx_drop; 8164a71df50SFrank Blaschka } 8174a71df50SFrank Blaschka 8184a71df50SFrank Blaschka netif_wake_queue(dev); 8194a71df50SFrank Blaschka if (card->options.performance_stats) 8204a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 8214a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 8224a71df50SFrank Blaschka return rc; 8234a71df50SFrank Blaschka 8244a71df50SFrank Blaschka tx_drop: 8254a71df50SFrank Blaschka card->stats.tx_dropped++; 8264a71df50SFrank Blaschka card->stats.tx_errors++; 8274a71df50SFrank Blaschka if ((new_skb != skb) && new_skb) 8284a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 8294a71df50SFrank Blaschka dev_kfree_skb_any(skb); 830d0ec0f54SFrank Blaschka netif_wake_queue(dev); 8314a71df50SFrank Blaschka return NETDEV_TX_OK; 8324a71df50SFrank Blaschka } 8334a71df50SFrank Blaschka 83439423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 8354a71df50SFrank Blaschka { 836509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 837a1c3ed4cSFrank Blaschka int rc = 0; 8384a71df50SFrank Blaschka 839847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 84039423440SUrsula Braun if (card->state == CARD_STATE_UP) 84139423440SUrsula Braun return rc; 8424a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 8434a71df50SFrank Blaschka return -ENODEV; 8444a71df50SFrank Blaschka 8454a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 8464a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 847847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 8484a71df50SFrank Blaschka return -EPERM; 8494a71df50SFrank Blaschka } 8504a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 8514a71df50SFrank Blaschka card->state = CARD_STATE_UP; 8524a71df50SFrank Blaschka netif_start_queue(dev); 8534a71df50SFrank Blaschka 854a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 855a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 856a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 857a1c3ed4cSFrank Blaschka } else 858a1c3ed4cSFrank Blaschka rc = -EIO; 859a1c3ed4cSFrank Blaschka return rc; 8604a71df50SFrank Blaschka } 8614a71df50SFrank Blaschka 86239423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 86339423440SUrsula Braun { 86439423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 86539423440SUrsula Braun 86639423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 86739423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 86839423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 86939423440SUrsula Braun return -ERESTARTSYS; 87039423440SUrsula Braun } 87139423440SUrsula Braun return __qeth_l2_open(dev); 87239423440SUrsula Braun } 87339423440SUrsula Braun 8744a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 8754a71df50SFrank Blaschka { 876509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 8774a71df50SFrank Blaschka 878847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 8794a71df50SFrank Blaschka netif_tx_disable(dev); 880a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 8814a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 882a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 883a1c3ed4cSFrank Blaschka } 8844a71df50SFrank Blaschka return 0; 8854a71df50SFrank Blaschka } 8864a71df50SFrank Blaschka 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); 8904a71df50SFrank Blaschka 8914a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 8924a71df50SFrank Blaschka INIT_LIST_HEAD(&card->mc_list); 8934a71df50SFrank Blaschka card->options.layer2 = 1; 894a1c3ed4cSFrank Blaschka card->discipline.start_poll = qeth_qdio_start_poll; 8954a71df50SFrank Blaschka card->discipline.input_handler = (qdio_handler_t *) 896a1c3ed4cSFrank Blaschka qeth_qdio_input_handler; 8974a71df50SFrank Blaschka card->discipline.output_handler = (qdio_handler_t *) 8984a71df50SFrank Blaschka qeth_qdio_output_handler; 8994a71df50SFrank Blaschka card->discipline.recover = qeth_l2_recover; 9004a71df50SFrank Blaschka return 0; 9014a71df50SFrank Blaschka } 9024a71df50SFrank Blaschka 9034a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 9044a71df50SFrank Blaschka { 9054a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 9064a71df50SFrank Blaschka 907f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 9084a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 9094a71df50SFrank Blaschka 9104a71df50SFrank Blaschka if (cgdev->state == CCWGROUP_ONLINE) { 9114a71df50SFrank Blaschka card->use_hard_stop = 1; 9124a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 9134a71df50SFrank Blaschka } 9144a71df50SFrank Blaschka 9154a71df50SFrank Blaschka if (card->dev) { 9164a71df50SFrank Blaschka unregister_netdev(card->dev); 9174a71df50SFrank Blaschka card->dev = NULL; 9184a71df50SFrank Blaschka } 9194a71df50SFrank Blaschka return; 9204a71df50SFrank Blaschka } 9214a71df50SFrank Blaschka 9220fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 9234a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 9244a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9254a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 926df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9274a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 9283f9975aaSFrank Blaschka .get_settings = qeth_core_ethtool_get_settings, 9294a71df50SFrank Blaschka }; 9304a71df50SFrank Blaschka 9310fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 9324a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9334a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 934df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9354a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 9364a71df50SFrank Blaschka }; 9374a71df50SFrank Blaschka 9383d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 9398403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 9408403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 9418403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 9428403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 9438403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 9448403b13cSFrank Blaschka .ndo_set_multicast_list = qeth_l2_set_multicast_list, 9458403b13cSFrank Blaschka .ndo_do_ioctl = qeth_l2_do_ioctl, 9468403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 9478403b13cSFrank Blaschka .ndo_change_mtu = qeth_change_mtu, 9488403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 9498403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 9508403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 9518403b13cSFrank Blaschka }; 9528403b13cSFrank Blaschka 9534a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 9544a71df50SFrank Blaschka { 9554a71df50SFrank Blaschka switch (card->info.type) { 9564a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 9574a71df50SFrank Blaschka card->dev = alloc_netdev(0, "hsi%d", ether_setup); 9584a71df50SFrank Blaschka break; 9594a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 9604a71df50SFrank Blaschka card->dev = alloc_netdev(0, "osn%d", ether_setup); 9614a71df50SFrank Blaschka card->dev->flags |= IFF_NOARP; 9624a71df50SFrank Blaschka break; 9634a71df50SFrank Blaschka default: 9644a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 9654a71df50SFrank Blaschka } 9664a71df50SFrank Blaschka 9674a71df50SFrank Blaschka if (!card->dev) 9684a71df50SFrank Blaschka return -ENODEV; 9694a71df50SFrank Blaschka 970509e2562SHeiko Carstens card->dev->ml_priv = card; 9714a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 9724a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 9738403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 9744a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 9754a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops); 9764a71df50SFrank Blaschka else 9774a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_osn_ops); 9784a71df50SFrank Blaschka card->dev->features |= NETIF_F_HW_VLAN_FILTER; 9794a71df50SFrank Blaschka card->info.broadcast_capable = 1; 9804a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 9814a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 982a1c3ed4cSFrank Blaschka netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT); 9834a71df50SFrank Blaschka return register_netdev(card->dev); 9844a71df50SFrank Blaschka } 9854a71df50SFrank Blaschka 9864a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 9874a71df50SFrank Blaschka { 9884a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 9894a71df50SFrank Blaschka int rc = 0; 9904a71df50SFrank Blaschka enum qeth_card_states recover_flag; 9914a71df50SFrank Blaschka 9924a71df50SFrank Blaschka BUG_ON(!card); 9939dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 994c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 995d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 996d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 9974a71df50SFrank Blaschka 9984a71df50SFrank Blaschka recover_flag = card->state; 9994a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 10004a71df50SFrank Blaschka if (rc) { 1001d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); 1002aa909224SUrsula Braun rc = -ENODEV; 10034a71df50SFrank Blaschka goto out_remove; 10044a71df50SFrank Blaschka } 10054a71df50SFrank Blaschka 1006aa909224SUrsula Braun if (!card->dev && qeth_l2_setup_netdev(card)) { 1007aa909224SUrsula Braun rc = -ENODEV; 10084a71df50SFrank Blaschka goto out_remove; 1009aa909224SUrsula Braun } 10104a71df50SFrank Blaschka 10114a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 10124a71df50SFrank Blaschka qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); 10134a71df50SFrank Blaschka 10144a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 1015a1c3ed4cSFrank Blaschka memset(&card->rx, 0, sizeof(struct qeth_rx)); 10164a71df50SFrank Blaschka qeth_print_status_message(card); 10174a71df50SFrank Blaschka 10184a71df50SFrank Blaschka /* softsetup */ 1019d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 10204a71df50SFrank Blaschka 10214a71df50SFrank Blaschka rc = qeth_send_startlan(card); 10224a71df50SFrank Blaschka if (rc) { 1023d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 10244a71df50SFrank Blaschka if (rc == 0xe080) { 102574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 102674eacdb9SFrank Blaschka "The LAN is offline\n"); 10274a71df50SFrank Blaschka card->lan_online = 0; 10282b6203bbSUrsula Braun goto contin; 10294a71df50SFrank Blaschka } 1030aa909224SUrsula Braun rc = -ENODEV; 1031f2148565SUrsula Braun goto out_remove; 10324a71df50SFrank Blaschka } else 10334a71df50SFrank Blaschka card->lan_online = 1; 10344a71df50SFrank Blaschka 10352b6203bbSUrsula Braun contin: 10365113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 10375113fec0SUrsula Braun (card->info.type == QETH_CARD_TYPE_OSX)) 1038d64ecc22SEinar Lueck /* configure isolation level */ 1039d64ecc22SEinar Lueck qeth_set_access_ctrl_online(card); 10405113fec0SUrsula Braun 10415113fec0SUrsula Braun if (card->info.type != QETH_CARD_TYPE_OSN && 10425113fec0SUrsula Braun card->info.type != QETH_CARD_TYPE_OSM) 10434a71df50SFrank Blaschka qeth_l2_process_vlans(card, 0); 10444a71df50SFrank Blaschka 10454a71df50SFrank Blaschka netif_tx_disable(card->dev); 10464a71df50SFrank Blaschka 10474a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 10484a71df50SFrank Blaschka if (rc) { 1049d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 1050aa909224SUrsula Braun rc = -ENODEV; 10514a71df50SFrank Blaschka goto out_remove; 10524a71df50SFrank Blaschka } 10534a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 10542b6203bbSUrsula Braun if (card->lan_online) 10554a71df50SFrank Blaschka netif_carrier_on(card->dev); 10562b6203bbSUrsula Braun else 10572b6203bbSUrsula Braun netif_carrier_off(card->dev); 10584a71df50SFrank Blaschka 10594a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 10604a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 10614a71df50SFrank Blaschka if (recovery_mode && 10624a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 106339423440SUrsula Braun __qeth_l2_open(card->dev); 10644a71df50SFrank Blaschka } else { 10654a71df50SFrank Blaschka rtnl_lock(); 10664a71df50SFrank Blaschka dev_open(card->dev); 10674a71df50SFrank Blaschka rtnl_unlock(); 10684a71df50SFrank Blaschka } 10694a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 10704a71df50SFrank Blaschka qeth_l2_set_multicast_list(card->dev); 10714a71df50SFrank Blaschka } 10724a71df50SFrank Blaschka /* let user_space know that device is online */ 10734a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1074c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10759dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 10764a71df50SFrank Blaschka return 0; 1077aa909224SUrsula Braun 10784a71df50SFrank Blaschka out_remove: 10794a71df50SFrank Blaschka card->use_hard_stop = 1; 10804a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 10814a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 10824a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 10834a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 10844a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 10854a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10864a71df50SFrank Blaschka else 10874a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1088c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 10899dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1090aa909224SUrsula Braun return rc; 10914a71df50SFrank Blaschka } 10924a71df50SFrank Blaschka 10934a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 10944a71df50SFrank Blaschka { 10954a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 10964a71df50SFrank Blaschka } 10974a71df50SFrank Blaschka 10984a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 10994a71df50SFrank Blaschka int recovery_mode) 11004a71df50SFrank Blaschka { 11014a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 11024a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 11034a71df50SFrank Blaschka enum qeth_card_states recover_flag; 11044a71df50SFrank Blaschka 11059dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1106c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1107d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1108d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 11094a71df50SFrank Blaschka 11104a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 11114a71df50SFrank Blaschka netif_carrier_off(card->dev); 11124a71df50SFrank Blaschka recover_flag = card->state; 11130f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 11144a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 11154a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 11164a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 11174a71df50SFrank Blaschka if (!rc) 11184a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 11194a71df50SFrank Blaschka if (rc) 1120d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 11214a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 11224a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11234a71df50SFrank Blaschka /* let user_space know that device is offline */ 11244a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1125c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11269dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 11274a71df50SFrank Blaschka return 0; 11284a71df50SFrank Blaschka } 11294a71df50SFrank Blaschka 11304a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 11314a71df50SFrank Blaschka { 11324a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 11334a71df50SFrank Blaschka } 11344a71df50SFrank Blaschka 11354a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 11364a71df50SFrank Blaschka { 11374a71df50SFrank Blaschka struct qeth_card *card; 11384a71df50SFrank Blaschka int rc = 0; 11394a71df50SFrank Blaschka 11404a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1141847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 11424a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 11434a71df50SFrank Blaschka return 0; 1144847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 114574eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 114674eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 11474a71df50SFrank Blaschka card->use_hard_stop = 1; 11484a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 11494a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 11504a71df50SFrank Blaschka if (!rc) 115174eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 115274eacdb9SFrank Blaschka "Device successfully recovered!\n"); 115328a7e4c9SUrsula Braun else { 115428a7e4c9SUrsula Braun rtnl_lock(); 115528a7e4c9SUrsula Braun dev_close(card->dev); 115628a7e4c9SUrsula Braun rtnl_unlock(); 115774eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 115874eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 115928a7e4c9SUrsula Braun } 1160a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1161a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 11624a71df50SFrank Blaschka return 0; 11634a71df50SFrank Blaschka } 11644a71df50SFrank Blaschka 11654a71df50SFrank Blaschka static int __init qeth_l2_init(void) 11664a71df50SFrank Blaschka { 116774eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 11684a71df50SFrank Blaschka return 0; 11694a71df50SFrank Blaschka } 11704a71df50SFrank Blaschka 11714a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 11724a71df50SFrank Blaschka { 117374eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 11744a71df50SFrank Blaschka } 11754a71df50SFrank Blaschka 11764a71df50SFrank Blaschka static void qeth_l2_shutdown(struct ccwgroup_device *gdev) 11774a71df50SFrank Blaschka { 11784a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 11794a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 11804a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 11814a71df50SFrank Blaschka } 11824a71df50SFrank Blaschka 1183bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1184bbcfcdc8SFrank Blaschka { 1185bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1186bbcfcdc8SFrank Blaschka 1187bbcfcdc8SFrank Blaschka if (card->dev) 1188bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1189bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1190bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1191bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1192bbcfcdc8SFrank Blaschka return 0; 1193bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 1194bbcfcdc8SFrank Blaschka card->use_hard_stop = 1; 1195bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1196bbcfcdc8SFrank Blaschka } else 1197bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1198bbcfcdc8SFrank Blaschka return 0; 1199bbcfcdc8SFrank Blaschka } 1200bbcfcdc8SFrank Blaschka 1201bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1202bbcfcdc8SFrank Blaschka { 1203bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1204bbcfcdc8SFrank Blaschka int rc = 0; 1205bbcfcdc8SFrank Blaschka 1206bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1207bbcfcdc8SFrank Blaschka goto out; 1208bbcfcdc8SFrank Blaschka 1209bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1210bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1211bbcfcdc8SFrank Blaschka if (rc) { 1212bbcfcdc8SFrank Blaschka rtnl_lock(); 1213bbcfcdc8SFrank Blaschka dev_close(card->dev); 1214bbcfcdc8SFrank Blaschka rtnl_unlock(); 1215bbcfcdc8SFrank Blaschka } 1216bbcfcdc8SFrank Blaschka } else 1217bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 1218bbcfcdc8SFrank Blaschka out: 1219bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1220bbcfcdc8SFrank Blaschka if (card->dev) 1221bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1222bbcfcdc8SFrank Blaschka if (rc) 1223bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1224bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1225bbcfcdc8SFrank Blaschka return rc; 1226bbcfcdc8SFrank Blaschka } 1227bbcfcdc8SFrank Blaschka 12284a71df50SFrank Blaschka struct ccwgroup_driver qeth_l2_ccwgroup_driver = { 12294a71df50SFrank Blaschka .probe = qeth_l2_probe_device, 12304a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 12314a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 12324a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 12334a71df50SFrank Blaschka .shutdown = qeth_l2_shutdown, 1234bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1235bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1236bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 12374a71df50SFrank Blaschka }; 12384a71df50SFrank Blaschka EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver); 12394a71df50SFrank Blaschka 12404a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 12414a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 12424a71df50SFrank Blaschka { 12434a71df50SFrank Blaschka unsigned long flags; 12444a71df50SFrank Blaschka int rc = 0; 12454a71df50SFrank Blaschka 1246847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 12474a71df50SFrank Blaschka 12484a71df50SFrank Blaschka wait_event(card->wait_q, 12494a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 12504a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1251847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 12524a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 12534a71df50SFrank Blaschka rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, 12544a71df50SFrank Blaschka (addr_t) iob, 0, 0); 12554a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 12564a71df50SFrank Blaschka if (rc) { 125714cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 12584a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1259847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 12604a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 12614a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 12624a71df50SFrank Blaschka wake_up(&card->wait_q); 12634a71df50SFrank Blaschka } 12644a71df50SFrank Blaschka return rc; 12654a71df50SFrank Blaschka } 12664a71df50SFrank Blaschka 12674a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 12684a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 12694a71df50SFrank Blaschka { 12704a71df50SFrank Blaschka u16 s1, s2; 12714a71df50SFrank Blaschka 1272847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 12734a71df50SFrank Blaschka 12744a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 12754a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 12764a71df50SFrank Blaschka s2 = (u16)data_len; 12774a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 12784a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 12794a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 12804a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 12814a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 12824a71df50SFrank Blaschka } 12834a71df50SFrank Blaschka 12844a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 12854a71df50SFrank Blaschka { 12864a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 12874a71df50SFrank Blaschka struct qeth_card *card; 12884a71df50SFrank Blaschka int rc; 12894a71df50SFrank Blaschka 12904a71df50SFrank Blaschka if (!dev) 12914a71df50SFrank Blaschka return -ENODEV; 1292509e2562SHeiko Carstens card = dev->ml_priv; 12934a71df50SFrank Blaschka if (!card) 12944a71df50SFrank Blaschka return -ENODEV; 1295847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 12964a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) && 12974a71df50SFrank Blaschka (card->state != CARD_STATE_SOFTSETUP)) 12984a71df50SFrank Blaschka return -ENODEV; 12994a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 13004a71df50SFrank Blaschka memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); 13014a71df50SFrank Blaschka rc = qeth_osn_send_ipa_cmd(card, iob, data_len); 13024a71df50SFrank Blaschka return rc; 13034a71df50SFrank Blaschka } 13044a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 13054a71df50SFrank Blaschka 13064a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 13074a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 13084a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 13094a71df50SFrank Blaschka { 13104a71df50SFrank Blaschka struct qeth_card *card; 13114a71df50SFrank Blaschka 13124a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 13134a71df50SFrank Blaschka if (*dev == NULL) 13144a71df50SFrank Blaschka return -ENODEV; 1315509e2562SHeiko Carstens card = (*dev)->ml_priv; 13164a71df50SFrank Blaschka if (!card) 13174a71df50SFrank Blaschka return -ENODEV; 1318847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 13194a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 13204a71df50SFrank Blaschka return -EINVAL; 13214a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 13224a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 13234a71df50SFrank Blaschka return 0; 13244a71df50SFrank Blaschka } 13254a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 13264a71df50SFrank Blaschka 13274a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 13284a71df50SFrank Blaschka { 13294a71df50SFrank Blaschka struct qeth_card *card; 13304a71df50SFrank Blaschka 13314a71df50SFrank Blaschka if (!dev) 13324a71df50SFrank Blaschka return; 1333509e2562SHeiko Carstens card = dev->ml_priv; 13344a71df50SFrank Blaschka if (!card) 13354a71df50SFrank Blaschka return; 1336847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 13374a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 13384a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 13394a71df50SFrank Blaschka return; 13404a71df50SFrank Blaschka } 13414a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 13424a71df50SFrank Blaschka 13434a71df50SFrank Blaschka module_init(qeth_l2_init); 13444a71df50SFrank Blaschka module_exit(qeth_l2_exit); 13454a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 13464a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 13474a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 1348