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 114a71df50SFrank Blaschka #include <linux/module.h> 124a71df50SFrank Blaschka #include <linux/moduleparam.h> 134a71df50SFrank Blaschka #include <linux/string.h> 144a71df50SFrank Blaschka #include <linux/errno.h> 154a71df50SFrank Blaschka #include <linux/kernel.h> 164a71df50SFrank Blaschka #include <linux/etherdevice.h> 174a71df50SFrank Blaschka #include <linux/mii.h> 184a71df50SFrank Blaschka #include <linux/ip.h> 194a71df50SFrank Blaschka 204a71df50SFrank Blaschka #include <asm/s390_rdev.h> 214a71df50SFrank Blaschka 224a71df50SFrank Blaschka #include "qeth_core.h" 234a71df50SFrank Blaschka #include "qeth_core_offl.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 { 384a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 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; 1044a71df50SFrank Blaschka unsigned char *readno; 1054a71df50SFrank Blaschka __u16 temp_dev_no, card_dev_no; 1064a71df50SFrank Blaschka char *endp; 1074a71df50SFrank Blaschka unsigned long flags; 1084a71df50SFrank Blaschka 1094a71df50SFrank Blaschka ndev = NULL; 1104a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 1114a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 1124a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 1134a71df50SFrank Blaschka readno = CARD_RDEV_ID(card); 1144a71df50SFrank Blaschka readno += (strlen(readno) - 4); 1154a71df50SFrank Blaschka card_dev_no = simple_strtoul(readno, &endp, 16); 1164a71df50SFrank Blaschka if (card_dev_no == temp_dev_no) { 1174a71df50SFrank Blaschka ndev = card->dev; 1184a71df50SFrank Blaschka break; 1194a71df50SFrank Blaschka } 1204a71df50SFrank Blaschka } 1214a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 1224a71df50SFrank Blaschka return ndev; 1234a71df50SFrank Blaschka } 1244a71df50SFrank Blaschka 1254a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card, 1264a71df50SFrank Blaschka struct qeth_reply *reply, 1274a71df50SFrank Blaschka unsigned long data) 1284a71df50SFrank Blaschka { 1294a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1304a71df50SFrank Blaschka __u8 *mac; 1314a71df50SFrank Blaschka 132d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Sgmacb"); 1334a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1344a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1354a71df50SFrank Blaschka /* MAC already registered, needed in couple/uncouple case */ 1364a71df50SFrank Blaschka if (cmd->hdr.return_code == 0x2005) { 1374a71df50SFrank Blaschka PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \ 1384a71df50SFrank Blaschka "already existing on %s \n", 1394a71df50SFrank Blaschka mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], 1404a71df50SFrank Blaschka QETH_CARD_IFNAME(card)); 1414a71df50SFrank Blaschka cmd->hdr.return_code = 0; 1424a71df50SFrank Blaschka } 1434a71df50SFrank Blaschka if (cmd->hdr.return_code) 1444a71df50SFrank Blaschka PRINT_ERR("Could not set group MAC " \ 1454a71df50SFrank Blaschka "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", 1464a71df50SFrank Blaschka mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], 1474a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1484a71df50SFrank Blaschka return 0; 1494a71df50SFrank Blaschka } 1504a71df50SFrank Blaschka 1514a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) 1524a71df50SFrank Blaschka { 153d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Sgmac"); 1544a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, 1554a71df50SFrank Blaschka qeth_l2_send_setgroupmac_cb); 1564a71df50SFrank Blaschka } 1574a71df50SFrank Blaschka 1584a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card, 1594a71df50SFrank Blaschka struct qeth_reply *reply, 1604a71df50SFrank Blaschka unsigned long data) 1614a71df50SFrank Blaschka { 1624a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 1634a71df50SFrank Blaschka __u8 *mac; 1644a71df50SFrank Blaschka 165d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dgmacb"); 1664a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 1674a71df50SFrank Blaschka mac = &cmd->data.setdelmac.mac[0]; 1684a71df50SFrank Blaschka if (cmd->hdr.return_code) 1694a71df50SFrank Blaschka PRINT_ERR("Could not delete group MAC " \ 1704a71df50SFrank Blaschka "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", 1714a71df50SFrank Blaschka mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], 1724a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 1734a71df50SFrank Blaschka return 0; 1744a71df50SFrank Blaschka } 1754a71df50SFrank Blaschka 1764a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) 1774a71df50SFrank Blaschka { 178d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dgmac"); 1794a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, 1804a71df50SFrank Blaschka qeth_l2_send_delgroupmac_cb); 1814a71df50SFrank Blaschka } 1824a71df50SFrank Blaschka 1834a71df50SFrank Blaschka static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac) 1844a71df50SFrank Blaschka { 1854a71df50SFrank Blaschka struct qeth_mc_mac *mc; 1864a71df50SFrank Blaschka 1874a71df50SFrank Blaschka mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC); 1884a71df50SFrank Blaschka 1894a71df50SFrank Blaschka if (!mc) { 1904a71df50SFrank Blaschka PRINT_ERR("no mem vor mc mac address\n"); 1914a71df50SFrank Blaschka return; 1924a71df50SFrank Blaschka } 1934a71df50SFrank Blaschka 1944a71df50SFrank Blaschka memcpy(mc->mc_addr, mac, OSA_ADDR_LEN); 1954a71df50SFrank Blaschka mc->mc_addrlen = OSA_ADDR_LEN; 1964a71df50SFrank Blaschka 1974a71df50SFrank Blaschka if (!qeth_l2_send_setgroupmac(card, mac)) 1984a71df50SFrank Blaschka list_add_tail(&mc->list, &card->mc_list); 1994a71df50SFrank Blaschka else 2004a71df50SFrank Blaschka kfree(mc); 2014a71df50SFrank Blaschka } 2024a71df50SFrank Blaschka 2034a71df50SFrank Blaschka static void qeth_l2_del_all_mc(struct qeth_card *card) 2044a71df50SFrank Blaschka { 2054a71df50SFrank Blaschka struct qeth_mc_mac *mc, *tmp; 2064a71df50SFrank Blaschka 2074a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 2084a71df50SFrank Blaschka list_for_each_entry_safe(mc, tmp, &card->mc_list, list) { 2094a71df50SFrank Blaschka qeth_l2_send_delgroupmac(card, mc->mc_addr); 2104a71df50SFrank Blaschka list_del(&mc->list); 2114a71df50SFrank Blaschka kfree(mc); 2124a71df50SFrank Blaschka } 2134a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 2144a71df50SFrank Blaschka } 2154a71df50SFrank Blaschka 2164a71df50SFrank Blaschka static void qeth_l2_get_packet_type(struct qeth_card *card, 2174a71df50SFrank Blaschka struct qeth_hdr *hdr, struct sk_buff *skb) 2184a71df50SFrank Blaschka { 2194a71df50SFrank Blaschka __u16 hdr_mac; 2204a71df50SFrank Blaschka 2214a71df50SFrank Blaschka if (!memcmp(skb->data + QETH_HEADER_SIZE, 2224a71df50SFrank Blaschka skb->dev->broadcast, 6)) { 2234a71df50SFrank Blaschka /* broadcast? */ 2244a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2254a71df50SFrank Blaschka return; 2264a71df50SFrank Blaschka } 2274a71df50SFrank Blaschka hdr_mac = *((__u16 *)skb->data); 2284a71df50SFrank Blaschka /* tr multicast? */ 2294a71df50SFrank Blaschka switch (card->info.link_type) { 2304a71df50SFrank Blaschka case QETH_LINK_TYPE_HSTR: 2314a71df50SFrank Blaschka case QETH_LINK_TYPE_LANE_TR: 2324a71df50SFrank Blaschka if ((hdr_mac == QETH_TR_MAC_NC) || 2334a71df50SFrank Blaschka (hdr_mac == QETH_TR_MAC_C)) 2344a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2354a71df50SFrank Blaschka else 2364a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2374a71df50SFrank Blaschka break; 2384a71df50SFrank Blaschka /* eth or so multicast? */ 2394a71df50SFrank Blaschka default: 2404a71df50SFrank Blaschka if ((hdr_mac == QETH_ETH_MAC_V4) || 2414a71df50SFrank Blaschka (hdr_mac == QETH_ETH_MAC_V6)) 2424a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2434a71df50SFrank Blaschka else 2444a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2454a71df50SFrank Blaschka } 2464a71df50SFrank Blaschka } 2474a71df50SFrank Blaschka 2484a71df50SFrank Blaschka static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, 2494a71df50SFrank Blaschka struct sk_buff *skb, int ipv, int cast_type) 2504a71df50SFrank Blaschka { 2514a71df50SFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)((skb->data) + 2524a71df50SFrank Blaschka QETH_HEADER_SIZE); 2534a71df50SFrank Blaschka 2544a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2554a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 2564a71df50SFrank Blaschka 2574a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2584a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2594a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2604a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2614a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2624a71df50SFrank Blaschka else 2634a71df50SFrank Blaschka qeth_l2_get_packet_type(card, hdr, skb); 2644a71df50SFrank Blaschka 2654a71df50SFrank Blaschka hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; 2664a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2674a71df50SFrank Blaschka * information to be present in 2684a71df50SFrank Blaschka * the QDIO header */ 2694a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2704a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2714a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2724a71df50SFrank Blaschka } 2734a71df50SFrank Blaschka } 2744a71df50SFrank Blaschka 2754a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2764a71df50SFrank Blaschka struct qeth_reply *reply, unsigned long data) 2774a71df50SFrank Blaschka { 2784a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2794a71df50SFrank Blaschka 280d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2sdvcb"); 2814a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 2824a71df50SFrank Blaschka if (cmd->hdr.return_code) { 2834a71df50SFrank Blaschka PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " 2844a71df50SFrank Blaschka "Continuing\n", cmd->data.setdelvlan.vlan_id, 2854a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 286d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2VL%4x", cmd->hdr.command); 287d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2%s", CARD_BUS_ID(card)); 288d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code); 2894a71df50SFrank Blaschka } 2904a71df50SFrank Blaschka return 0; 2914a71df50SFrank Blaschka } 2924a71df50SFrank Blaschka 2934a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 2944a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 2954a71df50SFrank Blaschka { 2964a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 2974a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 2984a71df50SFrank Blaschka 299d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "L2sdv%x", ipacmd); 3004a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 3014a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 3024a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 3034a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, 3044a71df50SFrank Blaschka qeth_l2_send_setdelvlan_cb, NULL); 3054a71df50SFrank Blaschka } 3064a71df50SFrank Blaschka 3074a71df50SFrank Blaschka static void qeth_l2_process_vlans(struct qeth_card *card, int clear) 3084a71df50SFrank Blaschka { 3094a71df50SFrank Blaschka struct qeth_vlan_vid *id; 310d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "L2prcvln"); 3114a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3124a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3134a71df50SFrank Blaschka if (clear) 3144a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 3154a71df50SFrank Blaschka IPA_CMD_DELVLAN); 3164a71df50SFrank Blaschka else 3174a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, id->vid, 3184a71df50SFrank Blaschka IPA_CMD_SETVLAN); 3194a71df50SFrank Blaschka } 3204a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3214a71df50SFrank Blaschka } 3224a71df50SFrank Blaschka 3234a71df50SFrank Blaschka static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) 3244a71df50SFrank Blaschka { 3254a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 3264a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3274a71df50SFrank Blaschka 328d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "aid:%d", vid); 3294a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3304a71df50SFrank Blaschka if (id) { 3314a71df50SFrank Blaschka id->vid = vid; 3324a71df50SFrank Blaschka qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3334a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3344a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3354a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3364a71df50SFrank Blaschka } else { 3374a71df50SFrank Blaschka PRINT_ERR("no memory for vid\n"); 3384a71df50SFrank Blaschka } 3394a71df50SFrank Blaschka } 3404a71df50SFrank Blaschka 3414a71df50SFrank Blaschka static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) 3424a71df50SFrank Blaschka { 3434a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 3444a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 3454a71df50SFrank Blaschka 346d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid); 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 (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) 3724a71df50SFrank Blaschka return -ERESTARTSYS; 3734a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 3744a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 3754a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 3764a71df50SFrank Blaschka if (recovery_mode && 3774a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 3784a71df50SFrank Blaschka qeth_l2_stop(card->dev); 3794a71df50SFrank Blaschka } else { 3804a71df50SFrank Blaschka rtnl_lock(); 3814a71df50SFrank Blaschka dev_close(card->dev); 3824a71df50SFrank Blaschka rtnl_unlock(); 3834a71df50SFrank Blaschka } 3844a71df50SFrank Blaschka if (!card->use_hard_stop) { 3854a71df50SFrank Blaschka __u8 *mac = &card->dev->dev_addr[0]; 3864a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, mac); 387d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc); 3884a71df50SFrank Blaschka } 3894a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 3904a71df50SFrank Blaschka } 3914a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 3924a71df50SFrank Blaschka qeth_l2_process_vlans(card, 1); 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: 4484a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4494a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4504a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4514a71df50SFrank Blaschka len = skb->len; 4524a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4534a71df50SFrank Blaschka break; 4544a71df50SFrank Blaschka default: 4554a71df50SFrank Blaschka dev_kfree_skb_any(skb); 456d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "inbunkno"); 457d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4584a71df50SFrank Blaschka continue; 4594a71df50SFrank Blaschka } 4604a71df50SFrank Blaschka card->dev->last_rx = jiffies; 4614a71df50SFrank Blaschka card->stats.rx_packets++; 4624a71df50SFrank Blaschka card->stats.rx_bytes += len; 4634a71df50SFrank Blaschka } 4644a71df50SFrank Blaschka } 4654a71df50SFrank Blaschka 4664a71df50SFrank Blaschka static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 4674a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd, 4684a71df50SFrank Blaschka int (*reply_cb) (struct qeth_card *, 4694a71df50SFrank Blaschka struct qeth_reply*, 4704a71df50SFrank Blaschka unsigned long)) 4714a71df50SFrank Blaschka { 4724a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 4734a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 4744a71df50SFrank Blaschka 475d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2sdmac"); 4764a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 4774a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 4784a71df50SFrank Blaschka cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; 4794a71df50SFrank Blaschka memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); 4804a71df50SFrank Blaschka return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); 4814a71df50SFrank Blaschka } 4824a71df50SFrank Blaschka 4834a71df50SFrank Blaschka static int qeth_l2_send_setmac_cb(struct qeth_card *card, 4844a71df50SFrank Blaschka struct qeth_reply *reply, 4854a71df50SFrank Blaschka unsigned long data) 4864a71df50SFrank Blaschka { 4874a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 4884a71df50SFrank Blaschka 489d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Smaccb"); 4904a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 4914a71df50SFrank Blaschka if (cmd->hdr.return_code) { 492d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "L2er%x", cmd->hdr.return_code); 4934a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 4944a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 4954a71df50SFrank Blaschka } else { 4964a71df50SFrank Blaschka card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 4974a71df50SFrank Blaschka memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac, 4984a71df50SFrank Blaschka OSA_ADDR_LEN); 4994a71df50SFrank Blaschka PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " 5004a71df50SFrank Blaschka "successfully registered on device %s\n", 5014a71df50SFrank Blaschka card->dev->dev_addr[0], card->dev->dev_addr[1], 5024a71df50SFrank Blaschka card->dev->dev_addr[2], card->dev->dev_addr[3], 5034a71df50SFrank Blaschka card->dev->dev_addr[4], card->dev->dev_addr[5], 5044a71df50SFrank Blaschka card->dev->name); 5054a71df50SFrank Blaschka } 5064a71df50SFrank Blaschka return 0; 5074a71df50SFrank Blaschka } 5084a71df50SFrank Blaschka 5094a71df50SFrank Blaschka static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 5104a71df50SFrank Blaschka { 511d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Setmac"); 5124a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, 5134a71df50SFrank Blaschka qeth_l2_send_setmac_cb); 5144a71df50SFrank Blaschka } 5154a71df50SFrank Blaschka 5164a71df50SFrank Blaschka static int qeth_l2_send_delmac_cb(struct qeth_card *card, 5174a71df50SFrank Blaschka struct qeth_reply *reply, 5184a71df50SFrank Blaschka unsigned long data) 5194a71df50SFrank Blaschka { 5204a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 5214a71df50SFrank Blaschka 522d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Dmaccb"); 5234a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *) data; 5244a71df50SFrank Blaschka if (cmd->hdr.return_code) { 525d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, "err%d", cmd->hdr.return_code); 5264a71df50SFrank Blaschka cmd->hdr.return_code = -EIO; 5274a71df50SFrank Blaschka return 0; 5284a71df50SFrank Blaschka } 5294a71df50SFrank Blaschka card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 5304a71df50SFrank Blaschka 5314a71df50SFrank Blaschka return 0; 5324a71df50SFrank Blaschka } 5334a71df50SFrank Blaschka 5344a71df50SFrank Blaschka static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) 5354a71df50SFrank Blaschka { 536d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "L2Delmac"); 5374a71df50SFrank Blaschka if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 5384a71df50SFrank Blaschka return 0; 5394a71df50SFrank Blaschka return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, 5404a71df50SFrank Blaschka qeth_l2_send_delmac_cb); 5414a71df50SFrank Blaschka } 5424a71df50SFrank Blaschka 5434a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 5444a71df50SFrank Blaschka { 5454a71df50SFrank Blaschka int rc = 0; 5464a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 5474a71df50SFrank Blaschka 548d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "doL2init"); 549d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 5504a71df50SFrank Blaschka 5514a71df50SFrank Blaschka rc = qeth_query_setadapterparms(card); 5524a71df50SFrank Blaschka if (rc) { 5534a71df50SFrank Blaschka PRINT_WARN("could not query adapter parameters on device %s: " 5544a71df50SFrank Blaschka "x%x\n", CARD_BUS_ID(card), rc); 5554a71df50SFrank Blaschka } 5564a71df50SFrank Blaschka 5574a71df50SFrank Blaschka if (card->info.guestlan) { 5584a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 5594a71df50SFrank Blaschka if (rc) { 5604a71df50SFrank Blaschka PRINT_WARN("couldn't get MAC address on " 5614a71df50SFrank Blaschka "device %s: x%x\n", 5624a71df50SFrank Blaschka CARD_BUS_ID(card), rc); 563d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 5644a71df50SFrank Blaschka return rc; 5654a71df50SFrank Blaschka } 566d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN); 5674a71df50SFrank Blaschka } else { 5684a71df50SFrank Blaschka random_ether_addr(card->dev->dev_addr); 5694a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 5704a71df50SFrank Blaschka } 5714a71df50SFrank Blaschka return 0; 5724a71df50SFrank Blaschka } 5734a71df50SFrank Blaschka 5744a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 5754a71df50SFrank Blaschka { 5764a71df50SFrank Blaschka struct sockaddr *addr = p; 5774a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 5784a71df50SFrank Blaschka int rc = 0; 5794a71df50SFrank Blaschka 580d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmac"); 5814a71df50SFrank Blaschka 5824a71df50SFrank Blaschka if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) { 583d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmcINV"); 5844a71df50SFrank Blaschka return -EOPNOTSUPP; 5854a71df50SFrank Blaschka } 5864a71df50SFrank Blaschka 5874a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) { 5884a71df50SFrank Blaschka PRINT_WARN("Setting MAC address on %s is not supported.\n", 5894a71df50SFrank Blaschka dev->name); 590d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmcOSN"); 5914a71df50SFrank Blaschka return -EOPNOTSUPP; 5924a71df50SFrank Blaschka } 593d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 3, "%s", CARD_BUS_ID(card)); 594d11ba0c4SPeter Tiedemann QETH_DBF_HEX(TRACE, 3, addr->sa_data, OSA_ADDR_LEN); 5954a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); 5964a71df50SFrank Blaschka if (!rc) 5974a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 5984a71df50SFrank Blaschka return rc; 5994a71df50SFrank Blaschka } 6004a71df50SFrank Blaschka 6014a71df50SFrank Blaschka static void qeth_l2_set_multicast_list(struct net_device *dev) 6024a71df50SFrank Blaschka { 6034a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 6044a71df50SFrank Blaschka struct dev_mc_list *dm; 6054a71df50SFrank Blaschka 6064a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6074a71df50SFrank Blaschka return ; 6084a71df50SFrank Blaschka 609d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 3, "setmulti"); 6104a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 6114a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 6124a71df50SFrank Blaschka for (dm = dev->mc_list; dm; dm = dm->next) 6134a71df50SFrank Blaschka qeth_l2_add_mc(card, dm->dmi_addr); 6144a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 6154a71df50SFrank Blaschka if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6164a71df50SFrank Blaschka return; 6174a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6184a71df50SFrank Blaschka } 6194a71df50SFrank Blaschka 6204a71df50SFrank Blaschka static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 6214a71df50SFrank Blaschka { 6224a71df50SFrank Blaschka int rc; 6234a71df50SFrank Blaschka struct qeth_hdr *hdr = NULL; 6244a71df50SFrank Blaschka int elements = 0; 6254a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 6264a71df50SFrank Blaschka struct sk_buff *new_skb = skb; 6274a71df50SFrank Blaschka int ipv = qeth_get_ip_version(skb); 6284a71df50SFrank Blaschka int cast_type = qeth_get_cast_type(card, skb); 6294a71df50SFrank Blaschka struct qeth_qdio_out_q *queue = card->qdio.out_qs 6304a71df50SFrank Blaschka [qeth_get_priority_queue(card, skb, ipv, cast_type)]; 6314a71df50SFrank Blaschka int tx_bytes = skb->len; 6324a71df50SFrank Blaschka enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; 6334a71df50SFrank Blaschka struct qeth_eddp_context *ctx = NULL; 6344a71df50SFrank Blaschka 6354a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 6364a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 6374a71df50SFrank Blaschka goto tx_drop; 6384a71df50SFrank Blaschka } 6394a71df50SFrank Blaschka 6404a71df50SFrank Blaschka if ((card->info.type == QETH_CARD_TYPE_OSN) && 6414a71df50SFrank Blaschka (skb->protocol == htons(ETH_P_IPV6))) 6424a71df50SFrank Blaschka goto tx_drop; 6434a71df50SFrank Blaschka 6444a71df50SFrank Blaschka if (card->options.performance_stats) { 6454a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 6464a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 6474a71df50SFrank Blaschka } 6484a71df50SFrank Blaschka netif_stop_queue(dev); 6494a71df50SFrank Blaschka 6504a71df50SFrank Blaschka if (skb_is_gso(skb)) 6514a71df50SFrank Blaschka large_send = QETH_LARGE_SEND_EDDP; 6524a71df50SFrank Blaschka 6534a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6544a71df50SFrank Blaschka hdr = (struct qeth_hdr *)skb->data; 6554a71df50SFrank Blaschka else { 656f90b744eSFrank Blaschka /* create a clone with writeable headroom */ 657f90b744eSFrank Blaschka new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr)); 6584a71df50SFrank Blaschka if (!new_skb) 6594a71df50SFrank Blaschka goto tx_drop; 660f90b744eSFrank Blaschka hdr = (struct qeth_hdr *)skb_push(new_skb, 661f90b744eSFrank Blaschka sizeof(struct qeth_hdr)); 6624a71df50SFrank Blaschka qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type); 6634a71df50SFrank Blaschka } 6644a71df50SFrank Blaschka 6654a71df50SFrank Blaschka if (large_send == QETH_LARGE_SEND_EDDP) { 6664a71df50SFrank Blaschka ctx = qeth_eddp_create_context(card, new_skb, hdr, 6674a71df50SFrank Blaschka skb->sk->sk_protocol); 6684a71df50SFrank Blaschka if (ctx == NULL) { 6694a71df50SFrank Blaschka PRINT_WARN("could not create eddp context\n"); 6704a71df50SFrank Blaschka goto tx_drop; 6714a71df50SFrank Blaschka } 6724a71df50SFrank Blaschka } else { 6734a71df50SFrank Blaschka elements = qeth_get_elements_no(card, (void *)hdr, new_skb, 0); 6744a71df50SFrank Blaschka if (!elements) 6754a71df50SFrank Blaschka goto tx_drop; 6764a71df50SFrank Blaschka } 6774a71df50SFrank Blaschka 6784a71df50SFrank Blaschka if ((large_send == QETH_LARGE_SEND_NO) && 6794a71df50SFrank Blaschka (skb->ip_summed == CHECKSUM_PARTIAL)) 6804a71df50SFrank Blaschka qeth_tx_csum(new_skb); 6814a71df50SFrank Blaschka 6824a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_IQD) 6834a71df50SFrank Blaschka rc = qeth_do_send_packet(card, queue, new_skb, hdr, 6844a71df50SFrank Blaschka elements, ctx); 6854a71df50SFrank Blaschka else 6864a71df50SFrank Blaschka rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, 6874a71df50SFrank Blaschka elements, ctx); 6884a71df50SFrank Blaschka if (!rc) { 6894a71df50SFrank Blaschka card->stats.tx_packets++; 6904a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 6914a71df50SFrank Blaschka if (new_skb != skb) 6924a71df50SFrank Blaschka dev_kfree_skb_any(skb); 6934a71df50SFrank Blaschka if (card->options.performance_stats) { 6944a71df50SFrank Blaschka if (large_send != QETH_LARGE_SEND_NO) { 6954a71df50SFrank Blaschka card->perf_stats.large_send_bytes += tx_bytes; 6964a71df50SFrank Blaschka card->perf_stats.large_send_cnt++; 6974a71df50SFrank Blaschka } 6984a71df50SFrank Blaschka if (skb_shinfo(new_skb)->nr_frags > 0) { 6994a71df50SFrank Blaschka card->perf_stats.sg_skbs_sent++; 7004a71df50SFrank Blaschka /* nr_frags + skb->data */ 7014a71df50SFrank Blaschka card->perf_stats.sg_frags_sent += 7024a71df50SFrank Blaschka skb_shinfo(new_skb)->nr_frags + 1; 7034a71df50SFrank Blaschka } 7044a71df50SFrank Blaschka } 7054a71df50SFrank Blaschka 7064a71df50SFrank Blaschka if (ctx != NULL) { 7074a71df50SFrank Blaschka qeth_eddp_put_context(ctx); 7084a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 7094a71df50SFrank Blaschka } 7104a71df50SFrank Blaschka } else { 7114a71df50SFrank Blaschka if (ctx != NULL) 7124a71df50SFrank Blaschka qeth_eddp_put_context(ctx); 7134a71df50SFrank Blaschka 7144a71df50SFrank Blaschka if (rc == -EBUSY) { 7154a71df50SFrank Blaschka if (new_skb != skb) 7164a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 7174a71df50SFrank Blaschka return NETDEV_TX_BUSY; 7184a71df50SFrank Blaschka } else 7194a71df50SFrank Blaschka goto tx_drop; 7204a71df50SFrank Blaschka } 7214a71df50SFrank Blaschka 7224a71df50SFrank Blaschka netif_wake_queue(dev); 7234a71df50SFrank Blaschka if (card->options.performance_stats) 7244a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 7254a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 7264a71df50SFrank Blaschka return rc; 7274a71df50SFrank Blaschka 7284a71df50SFrank Blaschka tx_drop: 7294a71df50SFrank Blaschka card->stats.tx_dropped++; 7304a71df50SFrank Blaschka card->stats.tx_errors++; 7314a71df50SFrank Blaschka if ((new_skb != skb) && new_skb) 7324a71df50SFrank Blaschka dev_kfree_skb_any(new_skb); 7334a71df50SFrank Blaschka dev_kfree_skb_any(skb); 7344a71df50SFrank Blaschka return NETDEV_TX_OK; 7354a71df50SFrank Blaschka } 7364a71df50SFrank Blaschka 7374a71df50SFrank Blaschka static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev, 7384a71df50SFrank Blaschka unsigned int status, unsigned int qdio_err, 7394a71df50SFrank Blaschka unsigned int siga_err, unsigned int queue, 7404a71df50SFrank Blaschka int first_element, int count, unsigned long card_ptr) 7414a71df50SFrank Blaschka { 7424a71df50SFrank Blaschka struct net_device *net_dev; 7434a71df50SFrank Blaschka struct qeth_card *card; 7444a71df50SFrank Blaschka struct qeth_qdio_buffer *buffer; 7454a71df50SFrank Blaschka int index; 7464a71df50SFrank Blaschka int i; 7474a71df50SFrank Blaschka 7484a71df50SFrank Blaschka card = (struct qeth_card *) card_ptr; 7494a71df50SFrank Blaschka net_dev = card->dev; 7504a71df50SFrank Blaschka if (card->options.performance_stats) { 7514a71df50SFrank Blaschka card->perf_stats.inbound_cnt++; 7524a71df50SFrank Blaschka card->perf_stats.inbound_start_time = qeth_get_micros(); 7534a71df50SFrank Blaschka } 7544a71df50SFrank Blaschka if (status & QDIO_STATUS_LOOK_FOR_ERROR) { 7554a71df50SFrank Blaschka if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) { 756d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 1, "qdinchk"); 757d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card)); 758d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", first_element, 7594a71df50SFrank Blaschka count); 760d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", queue, status); 7614a71df50SFrank Blaschka qeth_schedule_recovery(card); 7624a71df50SFrank Blaschka return; 7634a71df50SFrank Blaschka } 7644a71df50SFrank Blaschka } 7654a71df50SFrank Blaschka for (i = first_element; i < (first_element + count); ++i) { 7664a71df50SFrank Blaschka index = i % QDIO_MAX_BUFFERS_PER_Q; 7674a71df50SFrank Blaschka buffer = &card->qdio.in_q->bufs[index]; 7684a71df50SFrank Blaschka if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && 7694a71df50SFrank Blaschka qeth_check_qdio_errors(buffer->buffer, 7704a71df50SFrank Blaschka qdio_err, siga_err, "qinerr"))) 7714a71df50SFrank Blaschka qeth_l2_process_inbound_buffer(card, buffer, index); 7724a71df50SFrank Blaschka /* clear buffer and give back to hardware */ 7734a71df50SFrank Blaschka qeth_put_buffer_pool_entry(card, buffer->pool_entry); 7744a71df50SFrank Blaschka qeth_queue_input_buffer(card, index); 7754a71df50SFrank Blaschka } 7764a71df50SFrank Blaschka if (card->options.performance_stats) 7774a71df50SFrank Blaschka card->perf_stats.inbound_time += qeth_get_micros() - 7784a71df50SFrank Blaschka card->perf_stats.inbound_start_time; 7794a71df50SFrank Blaschka } 7804a71df50SFrank Blaschka 7814a71df50SFrank Blaschka static int qeth_l2_open(struct net_device *dev) 7824a71df50SFrank Blaschka { 7834a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 7844a71df50SFrank Blaschka 785d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "qethopen"); 7864a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 7874a71df50SFrank Blaschka return -ENODEV; 7884a71df50SFrank Blaschka 7894a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 7904a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 791d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "nomacadr"); 7924a71df50SFrank Blaschka return -EPERM; 7934a71df50SFrank Blaschka } 7944a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 7954a71df50SFrank Blaschka card->state = CARD_STATE_UP; 7964a71df50SFrank Blaschka card->dev->flags |= IFF_UP; 7974a71df50SFrank Blaschka netif_start_queue(dev); 7984a71df50SFrank Blaschka 7994a71df50SFrank Blaschka if (!card->lan_online && netif_carrier_ok(dev)) 8004a71df50SFrank Blaschka netif_carrier_off(dev); 8014a71df50SFrank Blaschka return 0; 8024a71df50SFrank Blaschka } 8034a71df50SFrank Blaschka 8044a71df50SFrank Blaschka 8054a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 8064a71df50SFrank Blaschka { 8074a71df50SFrank Blaschka struct qeth_card *card = netdev_priv(dev); 8084a71df50SFrank Blaschka 809d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "qethstop"); 8104a71df50SFrank Blaschka netif_tx_disable(dev); 8114a71df50SFrank Blaschka card->dev->flags &= ~IFF_UP; 8124a71df50SFrank Blaschka if (card->state == CARD_STATE_UP) 8134a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 8144a71df50SFrank Blaschka return 0; 8154a71df50SFrank Blaschka } 8164a71df50SFrank Blaschka 8174a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 8184a71df50SFrank Blaschka { 8194a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8204a71df50SFrank Blaschka 8214a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 8224a71df50SFrank Blaschka INIT_LIST_HEAD(&card->mc_list); 8234a71df50SFrank Blaschka card->options.layer2 = 1; 8244a71df50SFrank Blaschka card->discipline.input_handler = (qdio_handler_t *) 8254a71df50SFrank Blaschka qeth_l2_qdio_input_handler; 8264a71df50SFrank Blaschka card->discipline.output_handler = (qdio_handler_t *) 8274a71df50SFrank Blaschka qeth_qdio_output_handler; 8284a71df50SFrank Blaschka card->discipline.recover = qeth_l2_recover; 8294a71df50SFrank Blaschka return 0; 8304a71df50SFrank Blaschka } 8314a71df50SFrank Blaschka 8324a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 8334a71df50SFrank Blaschka { 8344a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 8354a71df50SFrank Blaschka 8364a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 8374a71df50SFrank Blaschka 8384a71df50SFrank Blaschka if (cgdev->state == CCWGROUP_ONLINE) { 8394a71df50SFrank Blaschka card->use_hard_stop = 1; 8404a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 8414a71df50SFrank Blaschka } 8424a71df50SFrank Blaschka 8434a71df50SFrank Blaschka if (card->dev) { 8444a71df50SFrank Blaschka unregister_netdev(card->dev); 8454a71df50SFrank Blaschka card->dev = NULL; 8464a71df50SFrank Blaschka } 8474a71df50SFrank Blaschka 8484a71df50SFrank Blaschka qeth_l2_del_all_mc(card); 8494a71df50SFrank Blaschka return; 8504a71df50SFrank Blaschka } 8514a71df50SFrank Blaschka 852efe3df6fSFrank Blaschka static int qeth_l2_ethtool_set_tso(struct net_device *dev, u32 data) 853efe3df6fSFrank Blaschka { 854efe3df6fSFrank Blaschka struct qeth_card *card = netdev_priv(dev); 855efe3df6fSFrank Blaschka 856efe3df6fSFrank Blaschka if (data) { 857efe3df6fSFrank Blaschka if (card->options.large_send == QETH_LARGE_SEND_NO) { 858efe3df6fSFrank Blaschka card->options.large_send = QETH_LARGE_SEND_EDDP; 859efe3df6fSFrank Blaschka dev->features |= NETIF_F_TSO; 860efe3df6fSFrank Blaschka } 861efe3df6fSFrank Blaschka } else { 862efe3df6fSFrank Blaschka dev->features &= ~NETIF_F_TSO; 863efe3df6fSFrank Blaschka card->options.large_send = QETH_LARGE_SEND_NO; 864efe3df6fSFrank Blaschka } 865efe3df6fSFrank Blaschka return 0; 866efe3df6fSFrank Blaschka } 867efe3df6fSFrank Blaschka 8684a71df50SFrank Blaschka static struct ethtool_ops qeth_l2_ethtool_ops = { 8694a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 8704a71df50SFrank Blaschka .get_tx_csum = ethtool_op_get_tx_csum, 8714a71df50SFrank Blaschka .set_tx_csum = ethtool_op_set_tx_hw_csum, 8724a71df50SFrank Blaschka .get_sg = ethtool_op_get_sg, 8734a71df50SFrank Blaschka .set_sg = ethtool_op_set_sg, 8744a71df50SFrank Blaschka .get_tso = ethtool_op_get_tso, 875efe3df6fSFrank Blaschka .set_tso = qeth_l2_ethtool_set_tso, 8764a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8774a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 8784a71df50SFrank Blaschka .get_stats_count = qeth_core_get_stats_count, 8794a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8803f9975aaSFrank Blaschka .get_settings = qeth_core_ethtool_get_settings, 8814a71df50SFrank Blaschka }; 8824a71df50SFrank Blaschka 8834a71df50SFrank Blaschka static struct ethtool_ops qeth_l2_osn_ops = { 8844a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 8854a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 8864a71df50SFrank Blaschka .get_stats_count = qeth_core_get_stats_count, 8874a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 8884a71df50SFrank Blaschka }; 8894a71df50SFrank Blaschka 8904a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 8914a71df50SFrank Blaschka { 8924a71df50SFrank Blaschka switch (card->info.type) { 8934a71df50SFrank Blaschka case QETH_CARD_TYPE_OSAE: 8944a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 8954a71df50SFrank Blaschka break; 8964a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 8974a71df50SFrank Blaschka card->dev = alloc_netdev(0, "hsi%d", ether_setup); 8984a71df50SFrank Blaschka break; 8994a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 9004a71df50SFrank Blaschka card->dev = alloc_netdev(0, "osn%d", ether_setup); 9014a71df50SFrank Blaschka card->dev->flags |= IFF_NOARP; 9024a71df50SFrank Blaschka break; 9034a71df50SFrank Blaschka default: 9044a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 9054a71df50SFrank Blaschka } 9064a71df50SFrank Blaschka 9074a71df50SFrank Blaschka if (!card->dev) 9084a71df50SFrank Blaschka return -ENODEV; 9094a71df50SFrank Blaschka 9104a71df50SFrank Blaschka card->dev->priv = card; 9114a71df50SFrank Blaschka card->dev->tx_timeout = &qeth_tx_timeout; 9124a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 9134a71df50SFrank Blaschka card->dev->open = qeth_l2_open; 9144a71df50SFrank Blaschka card->dev->stop = qeth_l2_stop; 9154a71df50SFrank Blaschka card->dev->hard_start_xmit = qeth_l2_hard_start_xmit; 9164a71df50SFrank Blaschka card->dev->do_ioctl = qeth_l2_do_ioctl; 9174a71df50SFrank Blaschka card->dev->get_stats = qeth_get_stats; 9184a71df50SFrank Blaschka card->dev->change_mtu = qeth_change_mtu; 9194a71df50SFrank Blaschka card->dev->set_multicast_list = qeth_l2_set_multicast_list; 9204a71df50SFrank Blaschka card->dev->vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid; 9214a71df50SFrank Blaschka card->dev->vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid; 9224a71df50SFrank Blaschka card->dev->set_mac_address = qeth_l2_set_mac_address; 9234a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 9244a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 9254a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops); 9264a71df50SFrank Blaschka else 9274a71df50SFrank Blaschka SET_ETHTOOL_OPS(card->dev, &qeth_l2_osn_ops); 9284a71df50SFrank Blaschka card->dev->features |= NETIF_F_HW_VLAN_FILTER; 9294a71df50SFrank Blaschka card->info.broadcast_capable = 1; 9304a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 9314a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 9324a71df50SFrank Blaschka return register_netdev(card->dev); 9334a71df50SFrank Blaschka } 9344a71df50SFrank Blaschka 9354a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 9364a71df50SFrank Blaschka { 9374a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 9384a71df50SFrank Blaschka int rc = 0; 9394a71df50SFrank Blaschka enum qeth_card_states recover_flag; 9404a71df50SFrank Blaschka 9414a71df50SFrank Blaschka BUG_ON(!card); 942d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 943d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 9444a71df50SFrank Blaschka 9454a71df50SFrank Blaschka qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); 9464a71df50SFrank Blaschka if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) { 9474a71df50SFrank Blaschka PRINT_WARN("set_online of card %s interrupted by user!\n", 9484a71df50SFrank Blaschka CARD_BUS_ID(card)); 9494a71df50SFrank Blaschka return -ERESTARTSYS; 9504a71df50SFrank Blaschka } 9514a71df50SFrank Blaschka 9524a71df50SFrank Blaschka recover_flag = card->state; 9534a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_RDEV(card)); 9544a71df50SFrank Blaschka if (rc) { 955d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9564a71df50SFrank Blaschka return -EIO; 9574a71df50SFrank Blaschka } 9584a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_WDEV(card)); 9594a71df50SFrank Blaschka if (rc) { 960d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9614a71df50SFrank Blaschka return -EIO; 9624a71df50SFrank Blaschka } 9634a71df50SFrank Blaschka rc = ccw_device_set_online(CARD_DDEV(card)); 9644a71df50SFrank Blaschka if (rc) { 965d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9664a71df50SFrank Blaschka return -EIO; 9674a71df50SFrank Blaschka } 9684a71df50SFrank Blaschka 9694a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 9704a71df50SFrank Blaschka if (rc) { 971d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); 9724a71df50SFrank Blaschka goto out_remove; 9734a71df50SFrank Blaschka } 9744a71df50SFrank Blaschka 9754a71df50SFrank Blaschka if (!card->dev && qeth_l2_setup_netdev(card)) 9764a71df50SFrank Blaschka goto out_remove; 9774a71df50SFrank Blaschka 9784a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 9794a71df50SFrank Blaschka qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); 9804a71df50SFrank Blaschka 9814a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 9824a71df50SFrank Blaschka qeth_print_status_message(card); 9834a71df50SFrank Blaschka 9844a71df50SFrank Blaschka /* softsetup */ 985d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 9864a71df50SFrank Blaschka 9874a71df50SFrank Blaschka rc = qeth_send_startlan(card); 9884a71df50SFrank Blaschka if (rc) { 989d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 9904a71df50SFrank Blaschka if (rc == 0xe080) { 9914a71df50SFrank Blaschka PRINT_WARN("LAN on card %s if offline! " 9924a71df50SFrank Blaschka "Waiting for STARTLAN from card.\n", 9934a71df50SFrank Blaschka CARD_BUS_ID(card)); 9944a71df50SFrank Blaschka card->lan_online = 0; 9954a71df50SFrank Blaschka } 9964a71df50SFrank Blaschka return rc; 9974a71df50SFrank Blaschka } else 9984a71df50SFrank Blaschka card->lan_online = 1; 9994a71df50SFrank Blaschka 10004a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) { 10014a71df50SFrank Blaschka qeth_set_large_send(card, card->options.large_send); 10024a71df50SFrank Blaschka qeth_l2_process_vlans(card, 0); 10034a71df50SFrank Blaschka } 10044a71df50SFrank Blaschka 10054a71df50SFrank Blaschka netif_tx_disable(card->dev); 10064a71df50SFrank Blaschka 10074a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 10084a71df50SFrank Blaschka if (rc) { 1009d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 10104a71df50SFrank Blaschka goto out_remove; 10114a71df50SFrank Blaschka } 10124a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 10134a71df50SFrank Blaschka netif_carrier_on(card->dev); 10144a71df50SFrank Blaschka 10154a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 10164a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 10174a71df50SFrank Blaschka if (recovery_mode && 10184a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 10194a71df50SFrank Blaschka qeth_l2_open(card->dev); 10204a71df50SFrank Blaschka } else { 10214a71df50SFrank Blaschka rtnl_lock(); 10224a71df50SFrank Blaschka dev_open(card->dev); 10234a71df50SFrank Blaschka rtnl_unlock(); 10244a71df50SFrank Blaschka } 10254a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 10264a71df50SFrank Blaschka qeth_l2_set_multicast_list(card->dev); 10274a71df50SFrank Blaschka } 10284a71df50SFrank Blaschka /* let user_space know that device is online */ 10294a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 10304a71df50SFrank Blaschka return 0; 10314a71df50SFrank Blaschka out_remove: 10324a71df50SFrank Blaschka card->use_hard_stop = 1; 10334a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 10344a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 10354a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 10364a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 10374a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 10384a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10394a71df50SFrank Blaschka else 10404a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 10414a71df50SFrank Blaschka return -ENODEV; 10424a71df50SFrank Blaschka } 10434a71df50SFrank Blaschka 10444a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 10454a71df50SFrank Blaschka { 10464a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 10474a71df50SFrank Blaschka } 10484a71df50SFrank Blaschka 10494a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 10504a71df50SFrank Blaschka int recovery_mode) 10514a71df50SFrank Blaschka { 10524a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 10534a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 10544a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10554a71df50SFrank Blaschka 1056d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1057d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 10584a71df50SFrank Blaschka 10594a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 10604a71df50SFrank Blaschka netif_carrier_off(card->dev); 10614a71df50SFrank Blaschka recover_flag = card->state; 10624a71df50SFrank Blaschka if (qeth_l2_stop_card(card, recovery_mode) == -ERESTARTSYS) { 10634a71df50SFrank Blaschka PRINT_WARN("Stopping card %s interrupted by user!\n", 10644a71df50SFrank Blaschka CARD_BUS_ID(card)); 10654a71df50SFrank Blaschka return -ERESTARTSYS; 10664a71df50SFrank Blaschka } 10674a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 10684a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 10694a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 10704a71df50SFrank Blaschka if (!rc) 10714a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 10724a71df50SFrank Blaschka if (rc) 1073d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 10744a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 10754a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 10764a71df50SFrank Blaschka /* let user_space know that device is offline */ 10774a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 10784a71df50SFrank Blaschka return 0; 10794a71df50SFrank Blaschka } 10804a71df50SFrank Blaschka 10814a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 10824a71df50SFrank Blaschka { 10834a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 10844a71df50SFrank Blaschka } 10854a71df50SFrank Blaschka 10864a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 10874a71df50SFrank Blaschka { 10884a71df50SFrank Blaschka struct qeth_card *card; 10894a71df50SFrank Blaschka int rc = 0; 10904a71df50SFrank Blaschka 10914a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1092d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "recover1"); 1093d11ba0c4SPeter Tiedemann QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); 10944a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 10954a71df50SFrank Blaschka return 0; 1096d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "recover2"); 10974a71df50SFrank Blaschka PRINT_WARN("Recovery of device %s started ...\n", 10984a71df50SFrank Blaschka CARD_BUS_ID(card)); 10994a71df50SFrank Blaschka card->use_hard_stop = 1; 11004a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 11014a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 11024a71df50SFrank Blaschka /* don't run another scheduled recovery */ 11034a71df50SFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 11044a71df50SFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 11054a71df50SFrank Blaschka if (!rc) 11064a71df50SFrank Blaschka PRINT_INFO("Device %s successfully recovered!\n", 11074a71df50SFrank Blaschka CARD_BUS_ID(card)); 11084a71df50SFrank Blaschka else 11094a71df50SFrank Blaschka PRINT_INFO("Device %s could not be recovered!\n", 11104a71df50SFrank Blaschka CARD_BUS_ID(card)); 11114a71df50SFrank Blaschka return 0; 11124a71df50SFrank Blaschka } 11134a71df50SFrank Blaschka 11144a71df50SFrank Blaschka static int __init qeth_l2_init(void) 11154a71df50SFrank Blaschka { 11164a71df50SFrank Blaschka PRINT_INFO("register layer 2 discipline\n"); 11174a71df50SFrank Blaschka return 0; 11184a71df50SFrank Blaschka } 11194a71df50SFrank Blaschka 11204a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 11214a71df50SFrank Blaschka { 11224a71df50SFrank Blaschka PRINT_INFO("unregister layer 2 discipline\n"); 11234a71df50SFrank Blaschka } 11244a71df50SFrank Blaschka 11254a71df50SFrank Blaschka static void qeth_l2_shutdown(struct ccwgroup_device *gdev) 11264a71df50SFrank Blaschka { 11274a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 11284a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 11294a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 11304a71df50SFrank Blaschka } 11314a71df50SFrank Blaschka 11324a71df50SFrank Blaschka struct ccwgroup_driver qeth_l2_ccwgroup_driver = { 11334a71df50SFrank Blaschka .probe = qeth_l2_probe_device, 11344a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 11354a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 11364a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 11374a71df50SFrank Blaschka .shutdown = qeth_l2_shutdown, 11384a71df50SFrank Blaschka }; 11394a71df50SFrank Blaschka EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver); 11404a71df50SFrank Blaschka 11414a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 11424a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 11434a71df50SFrank Blaschka { 11444a71df50SFrank Blaschka unsigned long flags; 11454a71df50SFrank Blaschka int rc = 0; 11464a71df50SFrank Blaschka 1147d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 5, "osndctrd"); 11484a71df50SFrank Blaschka 11494a71df50SFrank Blaschka wait_event(card->wait_q, 11504a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 11514a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1152d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 6, "osnoirqp"); 11534a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 11544a71df50SFrank Blaschka rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, 11554a71df50SFrank Blaschka (addr_t) iob, 0, 0); 11564a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 11574a71df50SFrank Blaschka if (rc) { 11584a71df50SFrank Blaschka PRINT_WARN("qeth_osn_send_control_data: " 11594a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1160d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(TRACE, 2, " err%d", rc); 11614a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 11624a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 11634a71df50SFrank Blaschka wake_up(&card->wait_q); 11644a71df50SFrank Blaschka } 11654a71df50SFrank Blaschka return rc; 11664a71df50SFrank Blaschka } 11674a71df50SFrank Blaschka 11684a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 11694a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 11704a71df50SFrank Blaschka { 11714a71df50SFrank Blaschka u16 s1, s2; 11724a71df50SFrank Blaschka 1173d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 4, "osndipa"); 11744a71df50SFrank Blaschka 11754a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 11764a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 11774a71df50SFrank Blaschka s2 = (u16)data_len; 11784a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 11794a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 11804a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 11814a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 11824a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 11834a71df50SFrank Blaschka } 11844a71df50SFrank Blaschka 11854a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 11864a71df50SFrank Blaschka { 11874a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 11884a71df50SFrank Blaschka struct qeth_card *card; 11894a71df50SFrank Blaschka int rc; 11904a71df50SFrank Blaschka 1191d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osnsdmc"); 11924a71df50SFrank Blaschka if (!dev) 11934a71df50SFrank Blaschka return -ENODEV; 11944a71df50SFrank Blaschka card = netdev_priv(dev); 11954a71df50SFrank Blaschka if (!card) 11964a71df50SFrank Blaschka return -ENODEV; 11974a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) && 11984a71df50SFrank Blaschka (card->state != CARD_STATE_SOFTSETUP)) 11994a71df50SFrank Blaschka return -ENODEV; 12004a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 12014a71df50SFrank Blaschka memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); 12024a71df50SFrank Blaschka rc = qeth_osn_send_ipa_cmd(card, iob, data_len); 12034a71df50SFrank Blaschka return rc; 12044a71df50SFrank Blaschka } 12054a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 12064a71df50SFrank Blaschka 12074a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 12084a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 12094a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 12104a71df50SFrank Blaschka { 12114a71df50SFrank Blaschka struct qeth_card *card; 12124a71df50SFrank Blaschka 1213d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osnreg"); 12144a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 12154a71df50SFrank Blaschka if (*dev == NULL) 12164a71df50SFrank Blaschka return -ENODEV; 12174a71df50SFrank Blaschka card = netdev_priv(*dev); 12184a71df50SFrank Blaschka if (!card) 12194a71df50SFrank Blaschka return -ENODEV; 12204a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 12214a71df50SFrank Blaschka return -EINVAL; 12224a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 12234a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 12244a71df50SFrank Blaschka return 0; 12254a71df50SFrank Blaschka } 12264a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 12274a71df50SFrank Blaschka 12284a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 12294a71df50SFrank Blaschka { 12304a71df50SFrank Blaschka struct qeth_card *card; 12314a71df50SFrank Blaschka 1232d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(TRACE, 2, "osndereg"); 12334a71df50SFrank Blaschka if (!dev) 12344a71df50SFrank Blaschka return; 12354a71df50SFrank Blaschka card = netdev_priv(dev); 12364a71df50SFrank Blaschka if (!card) 12374a71df50SFrank Blaschka return; 12384a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 12394a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 12404a71df50SFrank Blaschka return; 12414a71df50SFrank Blaschka } 12424a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 12434a71df50SFrank Blaschka 12444a71df50SFrank Blaschka module_init(qeth_l2_init); 12454a71df50SFrank Blaschka module_exit(qeth_l2_exit); 12464a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 12474a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 12484a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 1249