14a71df50SFrank Blaschka /* 24a71df50SFrank Blaschka * drivers/s390/net/qeth_l2_main.c 34a71df50SFrank Blaschka * 44a71df50SFrank Blaschka * Copyright IBM Corp. 2007 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> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 204a71df50SFrank Blaschka #include <linux/mii.h> 214a71df50SFrank Blaschka #include <linux/ip.h> 224a71df50SFrank Blaschka 234a71df50SFrank Blaschka #include "qeth_core.h" 244a71df50SFrank Blaschka 254a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 264a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 274a71df50SFrank Blaschka static int qeth_l2_send_delmac(struct qeth_card *, __u8 *); 284a71df50SFrank Blaschka static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *, 294a71df50SFrank Blaschka enum qeth_ipa_cmds, 304a71df50SFrank Blaschka int (*reply_cb) (struct qeth_card *, 314a71df50SFrank Blaschka struct qeth_reply*, 324a71df50SFrank Blaschka unsigned long)); 334a71df50SFrank Blaschka static void qeth_l2_set_multicast_list(struct net_device *); 344a71df50SFrank Blaschka static int qeth_l2_recover(void *); 354a71df50SFrank Blaschka 364a71df50SFrank Blaschka static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 374a71df50SFrank Blaschka { 38509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 394a71df50SFrank Blaschka struct mii_ioctl_data *mii_data; 404a71df50SFrank Blaschka int rc = 0; 414a71df50SFrank Blaschka 424a71df50SFrank Blaschka if (!card) 434a71df50SFrank Blaschka return -ENODEV; 444a71df50SFrank Blaschka 454a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) && 464a71df50SFrank Blaschka (card->state != CARD_STATE_SOFTSETUP)) 474a71df50SFrank Blaschka return -ENODEV; 484a71df50SFrank Blaschka 494a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 504a71df50SFrank Blaschka return -EPERM; 514a71df50SFrank Blaschka 524a71df50SFrank Blaschka switch (cmd) { 534a71df50SFrank Blaschka case SIOC_QETH_ADP_SET_SNMP_CONTROL: 544a71df50SFrank Blaschka rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); 554a71df50SFrank Blaschka break; 564a71df50SFrank Blaschka case SIOC_QETH_GET_CARD_TYPE: 574a71df50SFrank Blaschka if ((card->info.type == QETH_CARD_TYPE_OSAE) && 584a71df50SFrank Blaschka !card->info.guestlan) 594a71df50SFrank Blaschka return 1; 604a71df50SFrank Blaschka return 0; 614a71df50SFrank Blaschka break; 624a71df50SFrank Blaschka case SIOCGMIIPHY: 634a71df50SFrank Blaschka mii_data = if_mii(rq); 644a71df50SFrank Blaschka mii_data->phy_id = 0; 654a71df50SFrank Blaschka break; 664a71df50SFrank Blaschka case SIOCGMIIREG: 674a71df50SFrank Blaschka mii_data = if_mii(rq); 684a71df50SFrank Blaschka if (mii_data->phy_id != 0) 694a71df50SFrank Blaschka rc = -EINVAL; 704a71df50SFrank Blaschka else 714a71df50SFrank Blaschka mii_data->val_out = qeth_mdio_read(dev, 724a71df50SFrank Blaschka mii_data->phy_id, mii_data->reg_num); 734a71df50SFrank Blaschka break; 744a71df50SFrank Blaschka default: 754a71df50SFrank Blaschka rc = -EOPNOTSUPP; 764a71df50SFrank Blaschka } 774a71df50SFrank Blaschka if (rc) 78d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "ioce%d", rc); 794a71df50SFrank Blaschka return rc; 804a71df50SFrank Blaschka } 814a71df50SFrank Blaschka 824a71df50SFrank Blaschka static int qeth_l2_verify_dev(struct net_device *dev) 834a71df50SFrank Blaschka { 844a71df50SFrank Blaschka struct qeth_card *card; 854a71df50SFrank Blaschka unsigned long flags; 864a71df50SFrank Blaschka int rc = 0; 874a71df50SFrank Blaschka 884a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 894a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 904a71df50SFrank Blaschka if (card->dev == dev) { 914a71df50SFrank Blaschka rc = QETH_REAL_CARD; 924a71df50SFrank Blaschka break; 934a71df50SFrank Blaschka } 944a71df50SFrank Blaschka } 954a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 964a71df50SFrank Blaschka 974a71df50SFrank Blaschka return rc; 984a71df50SFrank Blaschka } 994a71df50SFrank Blaschka 1004a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 1014a71df50SFrank Blaschka { 1024a71df50SFrank Blaschka struct qeth_card *card; 1034a71df50SFrank Blaschka struct net_device *ndev; 104f06f6f32SCornelia Huck __u16 temp_dev_no; 1054a71df50SFrank Blaschka unsigned long flags; 106f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 1074a71df50SFrank Blaschka 1084a71df50SFrank Blaschka ndev = NULL; 1094a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 1104a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 1114a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 112f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 113f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 1144a71df50SFrank Blaschka ndev = card->dev; 1154a71df50SFrank Blaschka break; 1164a71df50SFrank Blaschka } 1174a71df50SFrank Blaschka } 1184a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 1194a71df50SFrank Blaschka return ndev; 1204a71df50SFrank Blaschka } 1214a71df50SFrank Blaschka 1224a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card, 1234a71df50SFrank Blaschka struct qeth_reply *reply, 1244a71df50SFrank Blaschka unsigned long data) 1254a71df50SFrank Blaschka { 1264a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1274a71df50SFrank Blaschka __u8 *mac; 1284a71df50SFrank Blaschka 129d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Sgmacb"); 1304a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1314a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1324a71df50SFrank Blaschka /* MAC already registered, needed in couple/uncouple case */ 1334a71df50SFrank Blaschka if (cmd->hdr.return_code == 0x2005) { 1347c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s \n", 1357c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card)); 1364a71df50SFrank Blaschka cmd->hdr.return_code = 0; 1374a71df50SFrank Blaschka } 1384a71df50SFrank Blaschka if (cmd->hdr.return_code) 1397c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %x\n", 1407c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1414a71df50SFrank Blaschka return 0; 1424a71df50SFrank Blaschka } 1434a71df50SFrank Blaschka 1444a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) 1454a71df50SFrank Blaschka { 146d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Sgmac"); 1474a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, 1484a71df50SFrank Blaschka qeth_l2_send_setgroupmac_cb); 1494a71df50SFrank Blaschka } 1504a71df50SFrank Blaschka 1514a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card, 1524a71df50SFrank Blaschka struct qeth_reply *reply, 1534a71df50SFrank Blaschka unsigned long data) 1544a71df50SFrank Blaschka { 1554a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1564a71df50SFrank Blaschka __u8 *mac; 1574a71df50SFrank Blaschka 158d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dgmacb"); 1594a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1604a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1614a71df50SFrank Blaschka if (cmd->hdr.return_code) 1627c510e4bSJohannes Berg QETH_DBF_MESSAGE(2, "Could not delete group MAC %pM on %s: %x\n", 1637c510e4bSJohannes Berg mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1644a71df50SFrank Blaschka return 0; 1654a71df50SFrank Blaschka } 1664a71df50SFrank Blaschka 1674a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) 1684a71df50SFrank Blaschka { 169d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dgmac"); 1704a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, 1714a71df50SFrank Blaschka qeth_l2_send_delgroupmac_cb); 1724a71df50SFrank Blaschka } 1734a71df50SFrank Blaschka 1747db2266aSFrank Blaschka static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac) 1754a71df50SFrank Blaschka { 1764a71df50SFrank Blaschka struct qeth_mc_mac *mc; 1777db2266aSFrank Blaschka int rc; 1784a71df50SFrank Blaschka 1794a71df50SFrank Blaschka mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC); 1804a71df50SFrank Blaschka 18114cc21b6SFrank Blaschka if (!mc) 1824a71df50SFrank Blaschka return; 1834a71df50SFrank Blaschka 1844a71df50SFrank Blaschka memcpy(mc->mc_addr, mac, OSA_ADDR_LEN); 1854a71df50SFrank Blaschka mc->mc_addrlen = OSA_ADDR_LEN; 1867db2266aSFrank Blaschka mc->is_vmac = vmac; 1874a71df50SFrank Blaschka 1887db2266aSFrank Blaschka if (vmac) { 1897db2266aSFrank Blaschka rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, 1907db2266aSFrank Blaschka NULL); 1917db2266aSFrank Blaschka } else { 1927db2266aSFrank Blaschka rc = qeth_l2_send_setgroupmac(card, mac); 1937db2266aSFrank Blaschka } 1947db2266aSFrank Blaschka 1957db2266aSFrank Blaschka if (!rc) 1964a71df50SFrank Blaschka list_add_tail(&mc->list, &card->mc_list); 1974a71df50SFrank Blaschka else 1984a71df50SFrank Blaschka kfree(mc); 1994a71df50SFrank Blaschka } 2004a71df50SFrank Blaschka 2014a71df50SFrank Blaschka static void qeth_l2_del_all_mc(struct qeth_card *card) 2024a71df50SFrank Blaschka { 2034a71df50SFrank Blaschka struct qeth_mc_mac *mc, *tmp; 2044a71df50SFrank Blaschka 2054a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 2064a71df50SFrank Blaschka list_for_each_entry_safe(mc, tmp, &card->mc_list, list) { 2077db2266aSFrank Blaschka if (mc->is_vmac) 2087db2266aSFrank Blaschka qeth_l2_send_setdelmac(card, mc->mc_addr, 2097db2266aSFrank Blaschka IPA_CMD_DELVMAC, NULL); 2107db2266aSFrank Blaschka else 2114a71df50SFrank Blaschka qeth_l2_send_delgroupmac(card, mc->mc_addr); 2124a71df50SFrank Blaschka list_del(&mc->list); 2134a71df50SFrank Blaschka kfree(mc); 2144a71df50SFrank Blaschka } 2154a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 2164a71df50SFrank Blaschka } 2174a71df50SFrank Blaschka 2184a71df50SFrank Blaschka static void qeth_l2_get_packet_type(struct qeth_card *card, 2194a71df50SFrank Blaschka struct qeth_hdr *hdr, struct sk_buff *skb) 2204a71df50SFrank Blaschka { 2214a71df50SFrank Blaschka __u16 hdr_mac; 2224a71df50SFrank Blaschka 2234a71df50SFrank Blaschka if (!memcmp(skb->data + QETH_HEADER_SIZE, 2244a71df50SFrank Blaschka skb->dev->broadcast, 6)) { 2254a71df50SFrank Blaschka /* broadcast? */ 2264a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2274a71df50SFrank Blaschka return; 2284a71df50SFrank Blaschka } 2294a71df50SFrank Blaschka hdr_mac = *((__u16 *)skb->data); 2304a71df50SFrank Blaschka /* tr multicast? */ 2314a71df50SFrank Blaschka switch (card->info.link_type) { 2324a71df50SFrank Blaschka case QETH_LINK_TYPE_HSTR: 2334a71df50SFrank Blaschka case QETH_LINK_TYPE_LANE_TR: 2344a71df50SFrank Blaschka if ((hdr_mac == QETH_TR_MAC_NC) || 2354a71df50SFrank Blaschka (hdr_mac == QETH_TR_MAC_C)) 2364a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2374a71df50SFrank Blaschka else 2384a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2394a71df50SFrank Blaschka break; 2404a71df50SFrank Blaschka /* eth or so multicast? */ 2414a71df50SFrank Blaschka default: 2424a71df50SFrank Blaschka if ((hdr_mac == QETH_ETH_MAC_V4) || 2434a71df50SFrank Blaschka (hdr_mac == QETH_ETH_MAC_V6)) 2444a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2454a71df50SFrank Blaschka else 2464a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2474a71df50SFrank Blaschka } 2484a71df50SFrank Blaschka } 2494a71df50SFrank Blaschka 2504a71df50SFrank Blaschka static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 2514a71df50SFrank Blaschka struct sk_buff *skb, int ipv, int cast_type) 2524a71df50SFrank Blaschka { 253683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2544a71df50SFrank Blaschka 2554a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2564a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 2574a71df50SFrank Blaschka 2584a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2594a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2604a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2614a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2624a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2634a71df50SFrank Blaschka else 2644a71df50SFrank Blaschka qeth_l2_get_packet_type(card, hdr, skb); 2654a71df50SFrank Blaschka 2664a71df50SFrank Blaschka hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; 2674a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2684a71df50SFrank Blaschka * information to be present in 2694a71df50SFrank Blaschka * the QDIO header */ 2704a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2714a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2724a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2734a71df50SFrank Blaschka } 2744a71df50SFrank Blaschka } 2754a71df50SFrank Blaschka 2764a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2774a71df50SFrank Blaschka struct qeth_reply *reply, unsigned long data) 2784a71df50SFrank Blaschka { 2794a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2804a71df50SFrank Blaschka 281d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2sdvcb"); 2824a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 2834a71df50SFrank Blaschka if (cmd->hdr.return_code) { 28414cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. " 2854a71df50SFrank Blaschka "Continuing\n", cmd->data.setdelvlan.vlan_id, 2864a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 287d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2VL%4x", cmd->hdr.command); 288d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2%s", CARD_BUS_ID(card)); 289d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code); 2904a71df50SFrank Blaschka } 2914a71df50SFrank Blaschka return 0; 2924a71df50SFrank Blaschka } 2934a71df50SFrank Blaschka 2944a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2954a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2964a71df50SFrank Blaschka { 2974a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2984a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2994a71df50SFrank Blaschka 300d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "L2sdv%x", ipacmd); 3014a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 3024a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 3034a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 3044a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, 3054a71df50SFrank Blaschka qeth_l2_send_setdelvlan_cb, NULL); 3064a71df50SFrank Blaschka } 3074a71df50SFrank Blaschka 3084a71df50SFrank Blaschka static void qeth_l2_process_vlans(struct qeth_card *card, int clear) 3094a71df50SFrank Blaschka { 3104a71df50SFrank Blaschka struct qeth_vlan_vid *id; 311d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "L2prcvln"); 3124a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3134a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3144a71df50SFrank Blaschka if (clear) 3154a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 3164a71df50SFrank Blaschka IPA_CMD_DELVLAN); 3174a71df50SFrank Blaschka else 3184a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 3194a71df50SFrank Blaschka IPA_CMD_SETVLAN); 3204a71df50SFrank Blaschka } 3214a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3224a71df50SFrank Blaschka } 3234a71df50SFrank Blaschka 3244a71df50SFrank Blaschka static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) 3254a71df50SFrank Blaschka { 326509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3274a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3284a71df50SFrank Blaschka 329d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "aid:%d", vid); 3304a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3314a71df50SFrank Blaschka if (id) { 3324a71df50SFrank Blaschka id->vid = vid; 3334a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3344a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3354a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3364a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3374a71df50SFrank Blaschka } 3384a71df50SFrank Blaschka } 3394a71df50SFrank Blaschka 3404a71df50SFrank Blaschka static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) 3414a71df50SFrank Blaschka { 3424a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 343509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3444a71df50SFrank Blaschka 345d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid); 3464a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3474a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3484a71df50SFrank Blaschka if (id->vid == vid) { 3494a71df50SFrank Blaschka list_del(&id->list); 3504a71df50SFrank Blaschka tmpid = id; 3514a71df50SFrank Blaschka break; 3524a71df50SFrank Blaschka } 3534a71df50SFrank Blaschka } 3544a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3554a71df50SFrank Blaschka if (tmpid) { 3564a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3574a71df50SFrank Blaschka kfree(tmpid); 3584a71df50SFrank Blaschka } 3594a71df50SFrank Blaschka qeth_l2_set_multicast_list(card->dev); 3604a71df50SFrank Blaschka } 3614a71df50SFrank Blaschka 3624a71df50SFrank Blaschka static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3634a71df50SFrank Blaschka { 3644a71df50SFrank Blaschka int rc = 0; 3654a71df50SFrank Blaschka 366d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 367d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 3684a71df50SFrank Blaschka 3694a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 3704a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3714a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3724a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3734a71df50SFrank Blaschka if (recovery_mode && 3744a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3754a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3764a71df50SFrank Blaschka } else { 3774a71df50SFrank Blaschka rtnl_lock(); 3784a71df50SFrank Blaschka dev_close(card->dev); 3794a71df50SFrank Blaschka rtnl_unlock(); 3804a71df50SFrank Blaschka } 381932e1583SKlaus-Dieter Wacker if (!card->use_hard_stop || 382932e1583SKlaus-Dieter Wacker recovery_mode) { 3834a71df50SFrank Blaschka __u8 *mac = &card->dev->dev_addr[0]; 3844a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, mac); 385d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc); 3864a71df50SFrank Blaschka } 3874a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3884a71df50SFrank Blaschka } 3894a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 3904a71df50SFrank Blaschka qeth_l2_process_vlans(card, 1); 391932e1583SKlaus-Dieter Wacker if (!card->use_hard_stop || 392932e1583SKlaus-Dieter Wacker recovery_mode) 3934a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 3944a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 3954a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 3964a71df50SFrank Blaschka } 3974a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 3984a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 3994a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 4004a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 4014a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 4024a71df50SFrank Blaschka } 4034a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 4044a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 4054a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 4064a71df50SFrank Blaschka } 4074a71df50SFrank Blaschka card->use_hard_stop = 0; 4084a71df50SFrank Blaschka return rc; 4094a71df50SFrank Blaschka } 4104a71df50SFrank Blaschka 4114a71df50SFrank Blaschka static void qeth_l2_process_inbound_buffer(struct qeth_card *card, 4124a71df50SFrank Blaschka struct qeth_qdio_buffer *buf, int index) 4134a71df50SFrank Blaschka { 4144a71df50SFrank Blaschka struct qdio_buffer_element *element; 4154a71df50SFrank Blaschka struct sk_buff *skb; 4164a71df50SFrank Blaschka struct qeth_hdr *hdr; 4174a71df50SFrank Blaschka int offset; 4184a71df50SFrank Blaschka unsigned int len; 4194a71df50SFrank Blaschka 4204a71df50SFrank Blaschka /* get first element of current buffer */ 4214a71df50SFrank Blaschka element = (struct qdio_buffer_element *)&buf->buffer->element[0]; 4224a71df50SFrank Blaschka offset = 0; 4234a71df50SFrank Blaschka if (card->options.performance_stats) 4244a71df50SFrank Blaschka card->perf_stats.bufs_rec++; 4254a71df50SFrank Blaschka while ((skb = qeth_core_get_next_skb(card, buf->buffer, &element, 4264a71df50SFrank Blaschka &offset, &hdr))) { 4274a71df50SFrank Blaschka skb->dev = card->dev; 4284a71df50SFrank Blaschka /* is device UP ? */ 4294a71df50SFrank Blaschka if (!(card->dev->flags & IFF_UP)) { 4304a71df50SFrank Blaschka dev_kfree_skb_any(skb); 4314a71df50SFrank Blaschka continue; 4324a71df50SFrank Blaschka } 4334a71df50SFrank Blaschka 4344a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4354a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4364a71df50SFrank Blaschka skb->pkt_type = PACKET_HOST; 4374a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4384a71df50SFrank Blaschka if (card->options.checksum_type == NO_CHECKSUMMING) 4394a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_UNNECESSARY; 4404a71df50SFrank Blaschka else 4414a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_NONE; 44212883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4434a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4444a71df50SFrank Blaschka len = skb->len; 4454a71df50SFrank Blaschka netif_rx(skb); 4464a71df50SFrank Blaschka break; 4474a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4482d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4494a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4504a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4514a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4524a71df50SFrank Blaschka len = skb->len; 4534a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4544a71df50SFrank Blaschka break; 4552d488c2fSUrsula Braun } 4562d488c2fSUrsula Braun /* else unknown */ 4574a71df50SFrank Blaschka default: 4584a71df50SFrank Blaschka dev_kfree_skb_any(skb); 459d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "inbunkno"); 460d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4614a71df50SFrank Blaschka continue; 4624a71df50SFrank Blaschka } 4634a71df50SFrank Blaschka card->dev->last_rx = jiffies; 4644a71df50SFrank Blaschka card->stats.rx_packets++; 4654a71df50SFrank Blaschka card->stats.rx_bytes += len; 4664a71df50SFrank Blaschka } 4674a71df50SFrank Blaschka } 4684a71df50SFrank Blaschka 4694a71df50SFrank Blaschka static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 4704a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd, 4714a71df50SFrank Blaschka int (*reply_cb) (struct qeth_card *, 4724a71df50SFrank Blaschka struct qeth_reply*, 4734a71df50SFrank Blaschka unsigned long)) 4744a71df50SFrank Blaschka { 4754a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 4764a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 4774a71df50SFrank Blaschka 478d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2sdmac"); 4794a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 4804a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 4814a71df50SFrank Blaschka cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; 4824a71df50SFrank Blaschka memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); 4834a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); 4844a71df50SFrank Blaschka } 4854a71df50SFrank Blaschka 4864a71df50SFrank Blaschka static int qeth_l2_send_setmac_cb(struct qeth_card *card, 4874a71df50SFrank Blaschka struct qeth_reply *reply, 4884a71df50SFrank Blaschka unsigned long data) 4894a71df50SFrank Blaschka { 4904a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 4914a71df50SFrank Blaschka 492d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Smaccb"); 4934a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 4944a71df50SFrank Blaschka if (cmd->hdr.return_code) { 495d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2er%x", cmd->hdr.return_code); 4964a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 4974a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 4984a71df50SFrank Blaschka } else { 4994a71df50SFrank Blaschka card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 5004a71df50SFrank Blaschka memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac, 5014a71df50SFrank Blaschka OSA_ADDR_LEN); 50274eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 50374eacdb9SFrank Blaschka "MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " 5044a71df50SFrank Blaschka "successfully registered on device %s\n", 5054a71df50SFrank Blaschka card->dev->dev_addr[0], card->dev->dev_addr[1], 5064a71df50SFrank Blaschka card->dev->dev_addr[2], card->dev->dev_addr[3], 5074a71df50SFrank Blaschka card->dev->dev_addr[4], card->dev->dev_addr[5], 5084a71df50SFrank Blaschka card->dev->name); 5094a71df50SFrank Blaschka } 5104a71df50SFrank Blaschka return 0; 5114a71df50SFrank Blaschka } 5124a71df50SFrank Blaschka 5134a71df50SFrank Blaschka static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 5144a71df50SFrank Blaschka { 515d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Setmac"); 5164a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, 5174a71df50SFrank Blaschka qeth_l2_send_setmac_cb); 5184a71df50SFrank Blaschka } 5194a71df50SFrank Blaschka 5204a71df50SFrank Blaschka static int qeth_l2_send_delmac_cb(struct qeth_card *card, 5214a71df50SFrank Blaschka struct qeth_reply *reply, 5224a71df50SFrank Blaschka unsigned long data) 5234a71df50SFrank Blaschka { 5244a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 5254a71df50SFrank Blaschka 526d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dmaccb"); 5274a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 5284a71df50SFrank Blaschka if (cmd->hdr.return_code) { 529d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code); 5304a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 5314a71df50SFrank Blaschka return 0; 5324a71df50SFrank Blaschka } 5334a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 5344a71df50SFrank Blaschka 5354a71df50SFrank Blaschka return 0; 5364a71df50SFrank Blaschka } 5374a71df50SFrank Blaschka 5384a71df50SFrank Blaschka static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) 5394a71df50SFrank Blaschka { 540d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Delmac"); 5414a71df50SFrank Blaschka if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 5424a71df50SFrank Blaschka return 0; 5434a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, 5444a71df50SFrank Blaschka qeth_l2_send_delmac_cb); 5454a71df50SFrank Blaschka } 5464a71df50SFrank Blaschka 5474a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 5484a71df50SFrank Blaschka { 5494a71df50SFrank Blaschka int rc = 0; 5504a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 5514a71df50SFrank Blaschka 552d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "doL2init"); 553d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 5544a71df50SFrank Blaschka 5554a71df50SFrank Blaschka rc = qeth_query_setadapterparms(card); 5564a71df50SFrank Blaschka if (rc) { 55714cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "could not query adapter parameters on " 55814cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 5594a71df50SFrank Blaschka } 5604a71df50SFrank Blaschka 561f1d58672SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_IQD) || 562f1d58672SUrsula Braun (card->info.guestlan)) { 5634a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 5644a71df50SFrank Blaschka if (rc) { 56514cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "couldn't get MAC address on " 56614cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 567d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 5684a71df50SFrank Blaschka return rc; 5694a71df50SFrank Blaschka } 570d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN); 5714a71df50SFrank Blaschka } else { 5724a71df50SFrank Blaschka random_ether_addr(card->dev->dev_addr); 5734a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 5744a71df50SFrank Blaschka } 5754a71df50SFrank Blaschka return 0; 5764a71df50SFrank Blaschka } 5774a71df50SFrank Blaschka 5784a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 5794a71df50SFrank Blaschka { 5804a71df50SFrank Blaschka struct sockaddr *addr = p; 581509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5824a71df50SFrank Blaschka int rc = 0; 5834a71df50SFrank Blaschka 584d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmac"); 5854a71df50SFrank Blaschka 5864a71df50SFrank Blaschka if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) { 587d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmcINV"); 5884a71df50SFrank Blaschka return -EOPNOTSUPP; 5894a71df50SFrank Blaschka } 5904a71df50SFrank Blaschka 5914a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) { 592d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmcOSN"); 5934a71df50SFrank Blaschka return -EOPNOTSUPP; 5944a71df50SFrank Blaschka } 595d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 3, "%s", CARD_BUS_ID(card)); 596d11ba0c4SPeter Tiedemann QETH_DBF_HEX(TRACE, 3, addr->sa_data, OSA_ADDR_LEN); 5974a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); 5984a71df50SFrank Blaschka if (!rc) 5994a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 6004a71df50SFrank Blaschka return rc; 6014a71df50SFrank Blaschka } 6024a71df50SFrank Blaschka 6034a71df50SFrank Blaschka static void qeth_l2_set_multicast_list(struct net_device *dev) 6044a71df50SFrank Blaschka { 605509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 6067db2266aSFrank Blaschka struct dev_addr_list *dm; 6074a71df50SFrank Blaschka 6084a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6094a71df50SFrank Blaschka return ; 6104a71df50SFrank Blaschka 611d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmulti"); 6124a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 6134a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 6144a71df50SFrank Blaschka for (dm = dev->mc_list; dm; dm = dm->next) 6157db2266aSFrank Blaschka qeth_l2_add_mc(card, dm->da_addr, 0); 6167db2266aSFrank Blaschka 6177db2266aSFrank Blaschka for (dm = dev->uc_list; dm; dm = dm->next) 6187db2266aSFrank Blaschka qeth_l2_add_mc(card, dm->da_addr, 1); 6197db2266aSFrank Blaschka 6204a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 6214a71df50SFrank Blaschka if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6224a71df50SFrank Blaschka return; 6234a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6244a71df50SFrank Blaschka } 6254a71df50SFrank Blaschka 6264a71df50SFrank Blaschka static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 6274a71df50SFrank Blaschka { 6284a71df50SFrank Blaschka int rc; 6294a71df50SFrank Blaschka struct qeth_hdr *hdr = NULL; 6304a71df50SFrank Blaschka int elements = 0; 631509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 6324a71df50SFrank Blaschka struct sk_buff *new_skb = skb; 6334a71df50SFrank Blaschka int ipv = qeth_get_ip_version(skb); 6344a71df50SFrank Blaschka int cast_type = qeth_get_cast_type(card, skb); 6354a71df50SFrank Blaschka struct qeth_qdio_out_q *queue = card->qdio.out_qs 6364a71df50SFrank Blaschka [qeth_get_priority_queue(card, skb, ipv, cast_type)]; 6374a71df50SFrank Blaschka int tx_bytes = skb->len; 638683d718aSFrank Blaschka int data_offset = -1; 639683d718aSFrank Blaschka int elements_needed = 0; 640683d718aSFrank Blaschka int hd_len = 0; 6414a71df50SFrank Blaschka 6424a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 6434a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 6444a71df50SFrank Blaschka goto tx_drop; 6454a71df50SFrank Blaschka } 6464a71df50SFrank Blaschka 6474a71df50SFrank Blaschka if ((card->info.type == QETH_CARD_TYPE_OSN) && 6484a71df50SFrank Blaschka (skb->protocol == htons(ETH_P_IPV6))) 6494a71df50SFrank Blaschka goto tx_drop; 6504a71df50SFrank Blaschka 6514a71df50SFrank Blaschka if (card->options.performance_stats) { 6524a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 6534a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 6544a71df50SFrank Blaschka } 6554a71df50SFrank Blaschka netif_stop_queue(dev); 6564a71df50SFrank Blaschka 6574a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6584a71df50SFrank Blaschka hdr = (struct qeth_hdr *)skb->data; 6594a71df50SFrank Blaschka else { 66064ef8957SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_IQD) { 661683d718aSFrank Blaschka new_skb = skb; 662683d718aSFrank Blaschka data_offset = ETH_HLEN; 663683d718aSFrank Blaschka hd_len = ETH_HLEN; 664683d718aSFrank Blaschka hdr = kmem_cache_alloc(qeth_core_header_cache, 665683d718aSFrank Blaschka GFP_ATOMIC); 666683d718aSFrank Blaschka if (!hdr) 667683d718aSFrank Blaschka goto tx_drop; 668683d718aSFrank Blaschka elements_needed++; 669683d718aSFrank Blaschka skb_reset_mac_header(new_skb); 670683d718aSFrank Blaschka qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type); 671683d718aSFrank Blaschka hdr->hdr.l2.pkt_length = new_skb->len; 672683d718aSFrank Blaschka memcpy(((char *)hdr) + sizeof(struct qeth_hdr), 673683d718aSFrank Blaschka skb_mac_header(new_skb), ETH_HLEN); 674683d718aSFrank Blaschka } else { 675f90b744eSFrank Blaschka /* create a clone with writeable headroom */ 676683d718aSFrank Blaschka new_skb = skb_realloc_headroom(skb, 677683d718aSFrank Blaschka sizeof(struct qeth_hdr)); 6784a71df50SFrank Blaschka if (!new_skb) 6794a71df50SFrank Blaschka goto tx_drop; 680f90b744eSFrank Blaschka hdr = (struct qeth_hdr *)skb_push(new_skb, 681f90b744eSFrank Blaschka sizeof(struct qeth_hdr)); 682683d718aSFrank Blaschka skb_set_mac_header(new_skb, sizeof(struct qeth_hdr)); 6834a71df50SFrank Blaschka qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type); 6844a71df50SFrank Blaschka } 685683d718aSFrank Blaschka } 6864a71df50SFrank Blaschka 687683d718aSFrank Blaschka elements = qeth_get_elements_no(card, (void *)hdr, new_skb, 688683d718aSFrank Blaschka elements_needed); 689683d718aSFrank Blaschka if (!elements) { 690683d718aSFrank Blaschka if (data_offset >= 0) 691683d718aSFrank Blaschka kmem_cache_free(qeth_core_header_cache, hdr); 6924a71df50SFrank Blaschka goto tx_drop; 6934a71df50SFrank Blaschka } 6944a71df50SFrank Blaschka 6954a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_IQD) 6964a71df50SFrank Blaschka rc = qeth_do_send_packet(card, queue, new_skb, hdr, 69764ef8957SFrank Blaschka elements); 6984a71df50SFrank Blaschka else 6994a71df50SFrank Blaschka rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, 70064ef8957SFrank Blaschka elements, data_offset, hd_len); 7014a71df50SFrank Blaschka if (!rc) { 7024a71df50SFrank Blaschka card->stats.tx_packets++; 7034a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 7044a71df50SFrank Blaschka if (new_skb != skb) 7054a71df50SFrank Blaschka dev_kfree_skb_any(skb); 7064a71df50SFrank Blaschka } else { 707683d718aSFrank Blaschka if (data_offset >= 0) 708683d718aSFrank Blaschka kmem_cache_free(qeth_core_header_cache, hdr); 709683d718aSFrank Blaschka 7104a71df50SFrank Blaschka if (rc == -EBUSY) { 7114a71df50SFrank Blaschka if (new_skb != skb) 7124a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 7134a71df50SFrank Blaschka return NETDEV_TX_BUSY; 7144a71df50SFrank Blaschka } else 7154a71df50SFrank Blaschka goto tx_drop; 7164a71df50SFrank Blaschka } 7174a71df50SFrank Blaschka 7184a71df50SFrank Blaschka netif_wake_queue(dev); 7194a71df50SFrank Blaschka if (card->options.performance_stats) 7204a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 7214a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 7224a71df50SFrank Blaschka return rc; 7234a71df50SFrank Blaschka 7244a71df50SFrank Blaschka tx_drop: 7254a71df50SFrank Blaschka card->stats.tx_dropped++; 7264a71df50SFrank Blaschka card->stats.tx_errors++; 7274a71df50SFrank Blaschka if ((new_skb != skb) && new_skb) 7284a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 7294a71df50SFrank Blaschka dev_kfree_skb_any(skb); 730d0ec0f54SFrank Blaschka netif_wake_queue(dev); 7314a71df50SFrank Blaschka return NETDEV_TX_OK; 7324a71df50SFrank Blaschka } 7334a71df50SFrank Blaschka 7344a71df50SFrank Blaschka static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev, 735779e6e1cSJan Glauber unsigned int qdio_err, unsigned int queue, 7364a71df50SFrank Blaschka int first_element, int count, unsigned long card_ptr) 7374a71df50SFrank Blaschka { 7384a71df50SFrank Blaschka struct net_device *net_dev; 7394a71df50SFrank Blaschka struct qeth_card *card; 7404a71df50SFrank Blaschka struct qeth_qdio_buffer *buffer; 7414a71df50SFrank Blaschka int index; 7424a71df50SFrank Blaschka int i; 7434a71df50SFrank Blaschka 7444a71df50SFrank Blaschka card = (struct qeth_card *) card_ptr; 7454a71df50SFrank Blaschka net_dev = card->dev; 7464a71df50SFrank Blaschka if (card->options.performance_stats) { 7474a71df50SFrank Blaschka card->perf_stats.inbound_cnt++; 7484a71df50SFrank Blaschka card->perf_stats.inbound_start_time = qeth_get_micros(); 7494a71df50SFrank Blaschka } 750779e6e1cSJan Glauber if (qdio_err & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { 751d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 1, "qdinchk"); 752d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card)); 753d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", first_element, 7544a71df50SFrank Blaschka count); 755779e6e1cSJan Glauber QETH_DBF_TEXT_(TRACE, 1, "%04X", queue); 7564a71df50SFrank Blaschka qeth_schedule_recovery(card); 7574a71df50SFrank Blaschka return; 7584a71df50SFrank Blaschka } 7594a71df50SFrank Blaschka for (i = first_element; i < (first_element + count); ++i) { 7604a71df50SFrank Blaschka index = i % QDIO_MAX_BUFFERS_PER_Q; 7614a71df50SFrank Blaschka buffer = &card->qdio.in_q->bufs[index]; 762779e6e1cSJan Glauber if (!(qdio_err && 763779e6e1cSJan Glauber qeth_check_qdio_errors(buffer->buffer, qdio_err, "qinerr"))) 7644a71df50SFrank Blaschka qeth_l2_process_inbound_buffer(card, buffer, index); 7654a71df50SFrank Blaschka /* clear buffer and give back to hardware */ 7664a71df50SFrank Blaschka qeth_put_buffer_pool_entry(card, buffer->pool_entry); 7674a71df50SFrank Blaschka qeth_queue_input_buffer(card, index); 7684a71df50SFrank Blaschka } 7694a71df50SFrank Blaschka if (card->options.performance_stats) 7704a71df50SFrank Blaschka card->perf_stats.inbound_time += qeth_get_micros() - 7714a71df50SFrank Blaschka card->perf_stats.inbound_start_time; 7724a71df50SFrank Blaschka } 7734a71df50SFrank Blaschka 7744a71df50SFrank Blaschka static int qeth_l2_open(struct net_device *dev) 7754a71df50SFrank Blaschka { 776509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 7774a71df50SFrank Blaschka 778d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "qethopen"); 7794a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 7804a71df50SFrank Blaschka return -ENODEV; 7814a71df50SFrank Blaschka 7824a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 7834a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 784d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "nomacadr"); 7854a71df50SFrank Blaschka return -EPERM; 7864a71df50SFrank Blaschka } 7874a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 7884a71df50SFrank Blaschka card->state = CARD_STATE_UP; 7894a71df50SFrank Blaschka netif_start_queue(dev); 7904a71df50SFrank Blaschka 7914a71df50SFrank Blaschka if (!card->lan_online && netif_carrier_ok(dev)) 7924a71df50SFrank Blaschka netif_carrier_off(dev); 7934a71df50SFrank Blaschka return 0; 7944a71df50SFrank Blaschka } 7954a71df50SFrank Blaschka 7964a71df50SFrank Blaschka 7974a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 7984a71df50SFrank Blaschka { 799509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 8004a71df50SFrank Blaschka 801d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "qethstop"); 8024a71df50SFrank Blaschka netif_tx_disable(dev); 8034a71df50SFrank Blaschka if (card->state == CARD_STATE_UP) 8044a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 8054a71df50SFrank Blaschka return 0; 8064a71df50SFrank Blaschka } 8074a71df50SFrank Blaschka 8084a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 8094a71df50SFrank Blaschka { 8104a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8114a71df50SFrank Blaschka 8124a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 8134a71df50SFrank Blaschka INIT_LIST_HEAD(&card->mc_list); 8144a71df50SFrank Blaschka card->options.layer2 = 1; 8154a71df50SFrank Blaschka card->discipline.input_handler = (qdio_handler_t *) 8164a71df50SFrank Blaschka qeth_l2_qdio_input_handler; 8174a71df50SFrank Blaschka card->discipline.output_handler = (qdio_handler_t *) 8184a71df50SFrank Blaschka qeth_qdio_output_handler; 8194a71df50SFrank Blaschka card->discipline.recover = qeth_l2_recover; 8204a71df50SFrank Blaschka return 0; 8214a71df50SFrank Blaschka } 8224a71df50SFrank Blaschka 8234a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 8244a71df50SFrank Blaschka { 8254a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8264a71df50SFrank Blaschka 8274a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 8284a71df50SFrank Blaschka 8294a71df50SFrank Blaschka if (cgdev->state == CCWGROUP_ONLINE) { 8304a71df50SFrank Blaschka card->use_hard_stop = 1; 8314a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 8324a71df50SFrank Blaschka } 8334a71df50SFrank Blaschka 8344a71df50SFrank Blaschka if (card->dev) { 8354a71df50SFrank Blaschka unregister_netdev(card->dev); 8364a71df50SFrank Blaschka card->dev = NULL; 8374a71df50SFrank Blaschka } 8384a71df50SFrank Blaschka 8394a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 8404a71df50SFrank Blaschka return; 8414a71df50SFrank Blaschka } 8424a71df50SFrank Blaschka 8434a71df50SFrank Blaschka static struct ethtool_ops qeth_l2_ethtool_ops = { 8444a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 8454a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8464a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 8474a71df50SFrank Blaschka .get_stats_count = qeth_core_get_stats_count, 8484a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8493f9975aaSFrank Blaschka .get_settings = qeth_core_ethtool_get_settings, 8504a71df50SFrank Blaschka }; 8514a71df50SFrank Blaschka 8524a71df50SFrank Blaschka static struct ethtool_ops qeth_l2_osn_ops = { 8534a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8544a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 8554a71df50SFrank Blaschka .get_stats_count = qeth_core_get_stats_count, 8564a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8574a71df50SFrank Blaschka }; 8584a71df50SFrank Blaschka 8593d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 8608403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 8618403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 8628403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 8638403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 8648403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 8658403b13cSFrank Blaschka .ndo_set_multicast_list = qeth_l2_set_multicast_list, 8668403b13cSFrank Blaschka .ndo_do_ioctl = qeth_l2_do_ioctl, 8678403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 8688403b13cSFrank Blaschka .ndo_change_mtu = qeth_change_mtu, 8698403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 8708403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 8718403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 8728403b13cSFrank Blaschka }; 8738403b13cSFrank Blaschka 8744a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 8754a71df50SFrank Blaschka { 8764a71df50SFrank Blaschka switch (card->info.type) { 8774a71df50SFrank Blaschka case QETH_CARD_TYPE_OSAE: 8784a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 8794a71df50SFrank Blaschka break; 8804a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 8814a71df50SFrank Blaschka card->dev = alloc_netdev(0, "hsi%d", ether_setup); 8824a71df50SFrank Blaschka break; 8834a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 8844a71df50SFrank Blaschka card->dev = alloc_netdev(0, "osn%d", ether_setup); 8854a71df50SFrank Blaschka card->dev->flags |= IFF_NOARP; 8864a71df50SFrank Blaschka break; 8874a71df50SFrank Blaschka default: 8884a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 8894a71df50SFrank Blaschka } 8904a71df50SFrank Blaschka 8914a71df50SFrank Blaschka if (!card->dev) 8924a71df50SFrank Blaschka return -ENODEV; 8934a71df50SFrank Blaschka 894509e2562SHeiko Carstens card->dev->ml_priv = card; 8954a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 8964a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 8978403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 8984a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 8994a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops); 9004a71df50SFrank Blaschka else 9014a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_osn_ops); 9024a71df50SFrank Blaschka card->dev->features |= NETIF_F_HW_VLAN_FILTER; 9034a71df50SFrank Blaschka card->info.broadcast_capable = 1; 9044a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 9054a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 9064a71df50SFrank Blaschka return register_netdev(card->dev); 9074a71df50SFrank Blaschka } 9084a71df50SFrank Blaschka 9094a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 9104a71df50SFrank Blaschka { 9114a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 9124a71df50SFrank Blaschka int rc = 0; 9134a71df50SFrank Blaschka enum qeth_card_states recover_flag; 9144a71df50SFrank Blaschka 9154a71df50SFrank Blaschka BUG_ON(!card); 916d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 917d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 9184a71df50SFrank Blaschka 9194a71df50SFrank Blaschka qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); 9204a71df50SFrank Blaschka recover_flag = card->state; 9214a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_RDEV(card)); 9224a71df50SFrank Blaschka if (rc) { 923d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9244a71df50SFrank Blaschka return -EIO; 9254a71df50SFrank Blaschka } 9264a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_WDEV(card)); 9274a71df50SFrank Blaschka if (rc) { 928d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9294a71df50SFrank Blaschka return -EIO; 9304a71df50SFrank Blaschka } 9314a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_DDEV(card)); 9324a71df50SFrank Blaschka if (rc) { 933d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9344a71df50SFrank Blaschka return -EIO; 9354a71df50SFrank Blaschka } 9364a71df50SFrank Blaschka 9374a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 9384a71df50SFrank Blaschka if (rc) { 939d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); 9404a71df50SFrank Blaschka goto out_remove; 9414a71df50SFrank Blaschka } 9424a71df50SFrank Blaschka 9434a71df50SFrank Blaschka if (!card->dev && qeth_l2_setup_netdev(card)) 9444a71df50SFrank Blaschka goto out_remove; 9454a71df50SFrank Blaschka 9464a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 9474a71df50SFrank Blaschka qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); 9484a71df50SFrank Blaschka 9494a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 9504a71df50SFrank Blaschka qeth_print_status_message(card); 9514a71df50SFrank Blaschka 9524a71df50SFrank Blaschka /* softsetup */ 953d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 9544a71df50SFrank Blaschka 9554a71df50SFrank Blaschka rc = qeth_send_startlan(card); 9564a71df50SFrank Blaschka if (rc) { 957d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9584a71df50SFrank Blaschka if (rc == 0xe080) { 95974eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 96074eacdb9SFrank Blaschka "The LAN is offline\n"); 9614a71df50SFrank Blaschka card->lan_online = 0; 9624a71df50SFrank Blaschka } 9634a71df50SFrank Blaschka return rc; 9644a71df50SFrank Blaschka } else 9654a71df50SFrank Blaschka card->lan_online = 1; 9664a71df50SFrank Blaschka 9674a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) { 9684a71df50SFrank Blaschka qeth_set_large_send(card, card->options.large_send); 9694a71df50SFrank Blaschka qeth_l2_process_vlans(card, 0); 9704a71df50SFrank Blaschka } 9714a71df50SFrank Blaschka 9724a71df50SFrank Blaschka netif_tx_disable(card->dev); 9734a71df50SFrank Blaschka 9744a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 9754a71df50SFrank Blaschka if (rc) { 976d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 9774a71df50SFrank Blaschka goto out_remove; 9784a71df50SFrank Blaschka } 9794a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 9804a71df50SFrank Blaschka netif_carrier_on(card->dev); 9814a71df50SFrank Blaschka 9824a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 9834a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 9844a71df50SFrank Blaschka if (recovery_mode && 9854a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 9864a71df50SFrank Blaschka qeth_l2_open(card->dev); 9874a71df50SFrank Blaschka } else { 9884a71df50SFrank Blaschka rtnl_lock(); 9894a71df50SFrank Blaschka dev_open(card->dev); 9904a71df50SFrank Blaschka rtnl_unlock(); 9914a71df50SFrank Blaschka } 9924a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 9934a71df50SFrank Blaschka qeth_l2_set_multicast_list(card->dev); 9944a71df50SFrank Blaschka } 9954a71df50SFrank Blaschka /* let user_space know that device is online */ 9964a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 9974a71df50SFrank Blaschka return 0; 9984a71df50SFrank Blaschka out_remove: 9994a71df50SFrank Blaschka card->use_hard_stop = 1; 10004a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 10014a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 10024a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 10034a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 10044a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 10054a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10064a71df50SFrank Blaschka else 10074a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 10084a71df50SFrank Blaschka return -ENODEV; 10094a71df50SFrank Blaschka } 10104a71df50SFrank Blaschka 10114a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 10124a71df50SFrank Blaschka { 10134a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 10144a71df50SFrank Blaschka } 10154a71df50SFrank Blaschka 10164a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 10174a71df50SFrank Blaschka int recovery_mode) 10184a71df50SFrank Blaschka { 10194a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 10204a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 10214a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10224a71df50SFrank Blaschka 1023d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1024d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 10254a71df50SFrank Blaschka 10264a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 10274a71df50SFrank Blaschka netif_carrier_off(card->dev); 10284a71df50SFrank Blaschka recover_flag = card->state; 10290f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 10304a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 10314a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 10324a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 10334a71df50SFrank Blaschka if (!rc) 10344a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 10354a71df50SFrank Blaschka if (rc) 1036d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 10374a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 10384a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10394a71df50SFrank Blaschka /* let user_space know that device is offline */ 10404a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 10414a71df50SFrank Blaschka return 0; 10424a71df50SFrank Blaschka } 10434a71df50SFrank Blaschka 10444a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 10454a71df50SFrank Blaschka { 10464a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 10474a71df50SFrank Blaschka } 10484a71df50SFrank Blaschka 10494a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 10504a71df50SFrank Blaschka { 10514a71df50SFrank Blaschka struct qeth_card *card; 10524a71df50SFrank Blaschka int rc = 0; 10534a71df50SFrank Blaschka 10544a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1055d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "recover1"); 1056d11ba0c4SPeter Tiedemann QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); 10574a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 10584a71df50SFrank Blaschka return 0; 1059d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "recover2"); 106074eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 106174eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 10624a71df50SFrank Blaschka card->use_hard_stop = 1; 10634a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 10644a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 10654a71df50SFrank Blaschka /* don't run another scheduled recovery */ 10664a71df50SFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 10674a71df50SFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 10684a71df50SFrank Blaschka if (!rc) 106974eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 107074eacdb9SFrank Blaschka "Device successfully recovered!\n"); 107128a7e4c9SUrsula Braun else { 1072fc9c2460SUrsula Braun if (card->dev) { 107328a7e4c9SUrsula Braun rtnl_lock(); 107428a7e4c9SUrsula Braun dev_close(card->dev); 107528a7e4c9SUrsula Braun rtnl_unlock(); 1076fc9c2460SUrsula Braun } 107774eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 107874eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 107928a7e4c9SUrsula Braun } 10804a71df50SFrank Blaschka return 0; 10814a71df50SFrank Blaschka } 10824a71df50SFrank Blaschka 10834a71df50SFrank Blaschka static int __init qeth_l2_init(void) 10844a71df50SFrank Blaschka { 108574eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 10864a71df50SFrank Blaschka return 0; 10874a71df50SFrank Blaschka } 10884a71df50SFrank Blaschka 10894a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 10904a71df50SFrank Blaschka { 109174eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 10924a71df50SFrank Blaschka } 10934a71df50SFrank Blaschka 10944a71df50SFrank Blaschka static void qeth_l2_shutdown(struct ccwgroup_device *gdev) 10954a71df50SFrank Blaschka { 10964a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 10974a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 10984a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 10994a71df50SFrank Blaschka } 11004a71df50SFrank Blaschka 11014a71df50SFrank Blaschka struct ccwgroup_driver qeth_l2_ccwgroup_driver = { 11024a71df50SFrank Blaschka .probe = qeth_l2_probe_device, 11034a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 11044a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 11054a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 11064a71df50SFrank Blaschka .shutdown = qeth_l2_shutdown, 11074a71df50SFrank Blaschka }; 11084a71df50SFrank Blaschka EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver); 11094a71df50SFrank Blaschka 11104a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 11114a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 11124a71df50SFrank Blaschka { 11134a71df50SFrank Blaschka unsigned long flags; 11144a71df50SFrank Blaschka int rc = 0; 11154a71df50SFrank Blaschka 1116d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 5, "osndctrd"); 11174a71df50SFrank Blaschka 11184a71df50SFrank Blaschka wait_event(card->wait_q, 11194a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 11204a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1121d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 6, "osnoirqp"); 11224a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 11234a71df50SFrank Blaschka rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, 11244a71df50SFrank Blaschka (addr_t) iob, 0, 0); 11254a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 11264a71df50SFrank Blaschka if (rc) { 112714cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 11284a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1129d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, " err%d", rc); 11304a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 11314a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 11324a71df50SFrank Blaschka wake_up(&card->wait_q); 11334a71df50SFrank Blaschka } 11344a71df50SFrank Blaschka return rc; 11354a71df50SFrank Blaschka } 11364a71df50SFrank Blaschka 11374a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 11384a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 11394a71df50SFrank Blaschka { 11404a71df50SFrank Blaschka u16 s1, s2; 11414a71df50SFrank Blaschka 1142d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "osndipa"); 11434a71df50SFrank Blaschka 11444a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 11454a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 11464a71df50SFrank Blaschka s2 = (u16)data_len; 11474a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 11484a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 11494a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 11504a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 11514a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 11524a71df50SFrank Blaschka } 11534a71df50SFrank Blaschka 11544a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 11554a71df50SFrank Blaschka { 11564a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 11574a71df50SFrank Blaschka struct qeth_card *card; 11584a71df50SFrank Blaschka int rc; 11594a71df50SFrank Blaschka 1160d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osnsdmc"); 11614a71df50SFrank Blaschka if (!dev) 11624a71df50SFrank Blaschka return -ENODEV; 1163509e2562SHeiko Carstens card = dev->ml_priv; 11644a71df50SFrank Blaschka if (!card) 11654a71df50SFrank Blaschka return -ENODEV; 11664a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) && 11674a71df50SFrank Blaschka (card->state != CARD_STATE_SOFTSETUP)) 11684a71df50SFrank Blaschka return -ENODEV; 11694a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 11704a71df50SFrank Blaschka memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); 11714a71df50SFrank Blaschka rc = qeth_osn_send_ipa_cmd(card, iob, data_len); 11724a71df50SFrank Blaschka return rc; 11734a71df50SFrank Blaschka } 11744a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 11754a71df50SFrank Blaschka 11764a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 11774a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 11784a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 11794a71df50SFrank Blaschka { 11804a71df50SFrank Blaschka struct qeth_card *card; 11814a71df50SFrank Blaschka 1182d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osnreg"); 11834a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 11844a71df50SFrank Blaschka if (*dev == NULL) 11854a71df50SFrank Blaschka return -ENODEV; 1186509e2562SHeiko Carstens card = (*dev)->ml_priv; 11874a71df50SFrank Blaschka if (!card) 11884a71df50SFrank Blaschka return -ENODEV; 11894a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 11904a71df50SFrank Blaschka return -EINVAL; 11914a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 11924a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 11934a71df50SFrank Blaschka return 0; 11944a71df50SFrank Blaschka } 11954a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 11964a71df50SFrank Blaschka 11974a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 11984a71df50SFrank Blaschka { 11994a71df50SFrank Blaschka struct qeth_card *card; 12004a71df50SFrank Blaschka 1201d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osndereg"); 12024a71df50SFrank Blaschka if (!dev) 12034a71df50SFrank Blaschka return; 1204509e2562SHeiko Carstens card = dev->ml_priv; 12054a71df50SFrank Blaschka if (!card) 12064a71df50SFrank Blaschka return; 12074a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 12084a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 12094a71df50SFrank Blaschka return; 12104a71df50SFrank Blaschka } 12114a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 12124a71df50SFrank Blaschka 12134a71df50SFrank Blaschka module_init(qeth_l2_init); 12144a71df50SFrank Blaschka module_exit(qeth_l2_exit); 12154a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 12164a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 12174a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 1218