1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 24a71df50SFrank Blaschka /* 3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth" 1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt 1274eacdb9SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/module.h> 144a71df50SFrank Blaschka #include <linux/moduleparam.h> 154a71df50SFrank Blaschka #include <linux/string.h> 164a71df50SFrank Blaschka #include <linux/errno.h> 174a71df50SFrank Blaschka #include <linux/kernel.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 194a71df50SFrank Blaschka #include <linux/etherdevice.h> 204a71df50SFrank Blaschka #include <linux/ip.h> 21ccffad25SJiri Pirko #include <linux/list.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hash.h> 23fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 24fe5c8028SLakhvich Dmitriy #include <linux/string.h> 25ec61bd2fSJulian Wiedmann #include <asm/setup.h> 264a71df50SFrank Blaschka #include "qeth_core.h" 27b4d72c08SEugene Crosser #include "qeth_l2.h" 284a71df50SFrank Blaschka 294a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *); 304a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *); 31fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *); 32c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card); 33c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 34c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 35c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 36c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 37caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); 38a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card); 39349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 40349d13d5SHans Wippel u32 *timeout); 414a71df50SFrank Blaschka 424a71df50SFrank Blaschka static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) 434a71df50SFrank Blaschka { 444a71df50SFrank Blaschka struct qeth_card *card; 454a71df50SFrank Blaschka struct net_device *ndev; 46f06f6f32SCornelia Huck __u16 temp_dev_no; 474a71df50SFrank Blaschka unsigned long flags; 48f06f6f32SCornelia Huck struct ccw_dev_id read_devid; 494a71df50SFrank Blaschka 504a71df50SFrank Blaschka ndev = NULL; 514a71df50SFrank Blaschka memcpy(&temp_dev_no, read_dev_no, 2); 524a71df50SFrank Blaschka read_lock_irqsave(&qeth_core_card_list.rwlock, flags); 534a71df50SFrank Blaschka list_for_each_entry(card, &qeth_core_card_list.list, list) { 54f06f6f32SCornelia Huck ccw_device_get_id(CARD_RDEV(card), &read_devid); 55f06f6f32SCornelia Huck if (read_devid.devno == temp_dev_no) { 564a71df50SFrank Blaschka ndev = card->dev; 574a71df50SFrank Blaschka break; 584a71df50SFrank Blaschka } 594a71df50SFrank Blaschka } 604a71df50SFrank Blaschka read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); 614a71df50SFrank Blaschka return ndev; 624a71df50SFrank Blaschka } 634a71df50SFrank Blaschka 642aa48671SJulian Wiedmann static int qeth_setdelmac_makerc(struct qeth_card *card, int retcode) 654a71df50SFrank Blaschka { 66efbbc1d5SEugene Crosser int rc; 674a71df50SFrank Blaschka 68efbbc1d5SEugene Crosser if (retcode) 691aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 70efbbc1d5SEugene Crosser switch (retcode) { 71efbbc1d5SEugene Crosser case IPA_RC_SUCCESS: 72efbbc1d5SEugene Crosser rc = 0; 73efbbc1d5SEugene Crosser break; 74efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD: 75ffb95251SEugene Crosser rc = -EOPNOTSUPP; 76efbbc1d5SEugene Crosser break; 77efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL: 78efbbc1d5SEugene Crosser rc = -ENOSPC; 79efbbc1d5SEugene Crosser break; 80efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC: 81efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC: 82efbbc1d5SEugene Crosser rc = -EEXIST; 83efbbc1d5SEugene Crosser break; 84efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: 85efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 86efbbc1d5SEugene Crosser rc = -EPERM; 87efbbc1d5SEugene Crosser break; 88efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND: 89efbbc1d5SEugene Crosser rc = -ENOENT; 90efbbc1d5SEugene Crosser break; 911aec42bcSThomas Richter case -ENOMEM: 921aec42bcSThomas Richter rc = -ENOMEM; 931aec42bcSThomas Richter break; 94efbbc1d5SEugene Crosser default: 95efbbc1d5SEugene Crosser rc = -EIO; 96efbbc1d5SEugene Crosser break; 974a71df50SFrank Blaschka } 98efbbc1d5SEugene Crosser return rc; 994a71df50SFrank Blaschka } 1004a71df50SFrank Blaschka 101ac988d78SJulian Wiedmann static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, 102ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd) 103ac988d78SJulian Wiedmann { 104ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd; 105ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob; 106ac988d78SJulian Wiedmann 107ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac"); 108ac988d78SJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 109ac988d78SJulian Wiedmann if (!iob) 110ac988d78SJulian Wiedmann return -ENOMEM; 111ac988d78SJulian Wiedmann cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 112ac988d78SJulian Wiedmann cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; 113ac988d78SJulian Wiedmann memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); 1142aa48671SJulian Wiedmann return qeth_setdelmac_makerc(card, qeth_send_ipa_cmd(card, iob, 115ac988d78SJulian Wiedmann NULL, NULL)); 116ac988d78SJulian Wiedmann } 117ac988d78SJulian Wiedmann 118ac988d78SJulian Wiedmann static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) 119ac988d78SJulian Wiedmann { 120ac988d78SJulian Wiedmann int rc; 121ac988d78SJulian Wiedmann 122ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac"); 123ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); 124ac988d78SJulian Wiedmann if (rc == 0) { 125ac988d78SJulian Wiedmann card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; 126ac988d78SJulian Wiedmann memcpy(card->dev->dev_addr, mac, OSA_ADDR_LEN); 127ac988d78SJulian Wiedmann dev_info(&card->gdev->dev, 128ac988d78SJulian Wiedmann "MAC address %pM successfully registered on device %s\n", 129ac988d78SJulian Wiedmann card->dev->dev_addr, card->dev->name); 130ac988d78SJulian Wiedmann } else { 131ac988d78SJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 132ac988d78SJulian Wiedmann switch (rc) { 133ac988d78SJulian Wiedmann case -EEXIST: 134ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 135ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac); 136ac988d78SJulian Wiedmann break; 137ac988d78SJulian Wiedmann case -EPERM: 138ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev, 139ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac); 140ac988d78SJulian Wiedmann break; 141ac988d78SJulian Wiedmann } 142ac988d78SJulian Wiedmann } 143ac988d78SJulian Wiedmann return rc; 144ac988d78SJulian Wiedmann } 145ac988d78SJulian Wiedmann 146ac988d78SJulian Wiedmann static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) 147ac988d78SJulian Wiedmann { 148ac988d78SJulian Wiedmann int rc; 149ac988d78SJulian Wiedmann 150ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Delmac"); 151ac988d78SJulian Wiedmann if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) 152ac988d78SJulian Wiedmann return 0; 153ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC); 154ac988d78SJulian Wiedmann if (rc == 0) 155ac988d78SJulian Wiedmann card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 156ac988d78SJulian Wiedmann return rc; 157ac988d78SJulian Wiedmann } 158ac988d78SJulian Wiedmann 1594a71df50SFrank Blaschka static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) 1604a71df50SFrank Blaschka { 161efbbc1d5SEugene Crosser int rc; 162efbbc1d5SEugene Crosser 163847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Sgmac"); 164754e0b8dSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC); 165efbbc1d5SEugene Crosser if (rc == -EEXIST) 166efbbc1d5SEugene Crosser QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s\n", 167efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card)); 168efbbc1d5SEugene Crosser else if (rc) 169efbbc1d5SEugene Crosser QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %d\n", 170efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 171efbbc1d5SEugene Crosser return rc; 1724a71df50SFrank Blaschka } 1734a71df50SFrank Blaschka 1744a71df50SFrank Blaschka static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) 1754a71df50SFrank Blaschka { 176efbbc1d5SEugene Crosser int rc; 177efbbc1d5SEugene Crosser 178847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2Dgmac"); 179754e0b8dSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC); 180efbbc1d5SEugene Crosser if (rc) 181efbbc1d5SEugene Crosser QETH_DBF_MESSAGE(2, 182efbbc1d5SEugene Crosser "Could not delete group MAC %pM on %s: %d\n", 183efbbc1d5SEugene Crosser mac, QETH_CARD_IFNAME(card), rc); 184efbbc1d5SEugene Crosser return rc; 1854a71df50SFrank Blaschka } 1864a71df50SFrank Blaschka 187fe5c8028SLakhvich Dmitriy static int qeth_l2_write_mac(struct qeth_card *card, struct qeth_mac *mac) 188fe5c8028SLakhvich Dmitriy { 1894641b027SJulian Wiedmann if (is_multicast_ether_addr_64bits(mac->mac_addr)) 190979d7929SJulian Wiedmann return qeth_l2_send_setgroupmac(card, mac->mac_addr); 1914641b027SJulian Wiedmann return qeth_l2_send_setdelmac(card, mac->mac_addr, IPA_CMD_SETVMAC); 192979d7929SJulian Wiedmann } 193979d7929SJulian Wiedmann 194979d7929SJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, struct qeth_mac *mac) 195979d7929SJulian Wiedmann { 1964641b027SJulian Wiedmann if (is_multicast_ether_addr_64bits(mac->mac_addr)) 197979d7929SJulian Wiedmann return qeth_l2_send_delgroupmac(card, mac->mac_addr); 1984641b027SJulian Wiedmann return qeth_l2_send_setdelmac(card, mac->mac_addr, IPA_CMD_DELVMAC); 1997db2266aSFrank Blaschka } 2007db2266aSFrank Blaschka 201c07cbf2eSJulian Wiedmann static void qeth_l2_del_all_macs(struct qeth_card *card) 2024a71df50SFrank Blaschka { 203fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 204fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 205fe5c8028SLakhvich Dmitriy int i; 2064a71df50SFrank Blaschka 2074a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 208fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 209fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 210fe5c8028SLakhvich Dmitriy kfree(mac); 2114a71df50SFrank Blaschka } 2124a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 2134a71df50SFrank Blaschka } 2144a71df50SFrank Blaschka 215cef6ff22SJulian Wiedmann static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) 2164a71df50SFrank Blaschka { 217ce73e10eSKlaus-Dieter Wacker if (card->info.type == QETH_CARD_TYPE_OSN) 218ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 219ce73e10eSKlaus-Dieter Wacker if (is_broadcast_ether_addr(skb->data)) 220ce73e10eSKlaus-Dieter Wacker return RTN_BROADCAST; 221ce73e10eSKlaus-Dieter Wacker if (is_multicast_ether_addr(skb->data)) 222ce73e10eSKlaus-Dieter Wacker return RTN_MULTICAST; 223ce73e10eSKlaus-Dieter Wacker return RTN_UNSPEC; 2244a71df50SFrank Blaschka } 2254a71df50SFrank Blaschka 226cef6ff22SJulian Wiedmann static void qeth_l2_hdr_csum(struct qeth_card *card, struct qeth_hdr *hdr, 227cef6ff22SJulian Wiedmann struct sk_buff *skb) 2284d7def2aSThomas Richter { 2294d7def2aSThomas Richter struct iphdr *iph = ip_hdr(skb); 2304d7def2aSThomas Richter 2314d7def2aSThomas Richter /* tcph->check contains already the pseudo hdr checksum 2324d7def2aSThomas Richter * so just set the header flags 2334d7def2aSThomas Richter */ 2344d7def2aSThomas Richter if (iph->protocol == IPPROTO_UDP) 2354d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_UDP; 2364d7def2aSThomas Richter hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_CSUM_TRANSP_REQ | 2374d7def2aSThomas Richter QETH_HDR_EXT_CSUM_HDR_REQ; 2384d7def2aSThomas Richter iph->check = 0; 2394d7def2aSThomas Richter if (card->options.performance_stats) 2404d7def2aSThomas Richter card->perf_stats.tx_csum++; 2414d7def2aSThomas Richter } 2424d7def2aSThomas Richter 243ae79fe03SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_hdr *hdr, struct sk_buff *skb, 244ae79fe03SJulian Wiedmann int cast_type, unsigned int data_len) 2454a71df50SFrank Blaschka { 246683d718aSFrank Blaschka struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); 2474a71df50SFrank Blaschka 2484a71df50SFrank Blaschka memset(hdr, 0, sizeof(struct qeth_hdr)); 2494a71df50SFrank Blaschka hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; 250ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len; 2514a71df50SFrank Blaschka 2524a71df50SFrank Blaschka /* set byte byte 3 to casting flags */ 2534a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST) 2544a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; 2554a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST) 2564a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; 2574a71df50SFrank Blaschka else 258ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; 2594a71df50SFrank Blaschka 2604a71df50SFrank Blaschka /* VSWITCH relies on the VLAN 2614a71df50SFrank Blaschka * information to be present in 2624a71df50SFrank Blaschka * the QDIO header */ 2634a71df50SFrank Blaschka if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { 2644a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; 2654a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); 2664a71df50SFrank Blaschka } 2674a71df50SFrank Blaschka } 2684a71df50SFrank Blaschka 2692aa48671SJulian Wiedmann static int qeth_setdelvlan_makerc(struct qeth_card *card, int retcode) 2704a71df50SFrank Blaschka { 2712aa48671SJulian Wiedmann if (retcode) 2722aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode); 2732aa48671SJulian Wiedmann 2742aa48671SJulian Wiedmann switch (retcode) { 2752aa48671SJulian Wiedmann case IPA_RC_SUCCESS: 2762aa48671SJulian Wiedmann return 0; 2772aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID: 2782aa48671SJulian Wiedmann return -EINVAL; 2792aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID: 2802aa48671SJulian Wiedmann return -EEXIST; 2812aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND: 2822aa48671SJulian Wiedmann return -ENOENT; 2832aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED: 2842aa48671SJulian Wiedmann return -EPERM; 2852aa48671SJulian Wiedmann case -ENOMEM: 2862aa48671SJulian Wiedmann return -ENOMEM; 2872aa48671SJulian Wiedmann default: 2882aa48671SJulian Wiedmann return -EIO; 2892aa48671SJulian Wiedmann } 2902aa48671SJulian Wiedmann } 2912aa48671SJulian Wiedmann 2922aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, 2932aa48671SJulian Wiedmann struct qeth_reply *reply, 2942aa48671SJulian Wiedmann unsigned long data) 2952aa48671SJulian Wiedmann { 2962aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2974a71df50SFrank Blaschka 298847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb"); 2994a71df50SFrank Blaschka if (cmd->hdr.return_code) { 3002aa48671SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x.\n", 3012aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id, 3024a71df50SFrank Blaschka QETH_CARD_IFNAME(card), cmd->hdr.return_code); 303847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); 304847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); 3054a71df50SFrank Blaschka } 3064a71df50SFrank Blaschka return 0; 3074a71df50SFrank Blaschka } 3084a71df50SFrank Blaschka 3094a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, 3104a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd) 3114a71df50SFrank Blaschka { 3124a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd; 3134a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 3144a71df50SFrank Blaschka 315847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); 3164a71df50SFrank Blaschka iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); 3171aec42bcSThomas Richter if (!iob) 3181aec42bcSThomas Richter return -ENOMEM; 3194a71df50SFrank Blaschka cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 3204a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i; 3212aa48671SJulian Wiedmann return qeth_setdelvlan_makerc(card, qeth_send_ipa_cmd(card, iob, 3222aa48671SJulian Wiedmann qeth_l2_send_setdelvlan_cb, NULL)); 3234a71df50SFrank Blaschka } 3244a71df50SFrank Blaschka 32570919e23SUrsula Braun static void qeth_l2_process_vlans(struct qeth_card *card) 3264a71df50SFrank Blaschka { 3274a71df50SFrank Blaschka struct qeth_vlan_vid *id; 328847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "L2prcvln"); 3294a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3304a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 33170919e23SUrsula Braun qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); 3324a71df50SFrank Blaschka } 3334a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3344a71df50SFrank Blaschka } 3354a71df50SFrank Blaschka 33680d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, 33780d5c368SPatrick McHardy __be16 proto, u16 vid) 3384a71df50SFrank Blaschka { 339509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3404a71df50SFrank Blaschka struct qeth_vlan_vid *id; 3411aec42bcSThomas Richter int rc; 3424a71df50SFrank Blaschka 343847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid); 34410651db7SUrsula Braun if (!vid) 3458e586137SJiri Pirko return 0; 3468e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 347847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "aidREC"); 3488e586137SJiri Pirko return 0; 3498e98ac48SUrsula Braun } 3504a71df50SFrank Blaschka id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); 3514a71df50SFrank Blaschka if (id) { 3524a71df50SFrank Blaschka id->vid = vid; 3531aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); 3541aec42bcSThomas Richter if (rc) { 3551aec42bcSThomas Richter kfree(id); 3561aec42bcSThomas Richter return rc; 3571aec42bcSThomas Richter } 3584a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3594a71df50SFrank Blaschka list_add_tail(&id->list, &card->vid_list); 3604a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3618e586137SJiri Pirko } else { 3628e586137SJiri Pirko return -ENOMEM; 3634a71df50SFrank Blaschka } 3648e586137SJiri Pirko return 0; 3654a71df50SFrank Blaschka } 3664a71df50SFrank Blaschka 36780d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, 36880d5c368SPatrick McHardy __be16 proto, u16 vid) 3694a71df50SFrank Blaschka { 3704a71df50SFrank Blaschka struct qeth_vlan_vid *id, *tmpid = NULL; 371509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 3721aec42bcSThomas Richter int rc = 0; 3734a71df50SFrank Blaschka 374847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid); 3758e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 376847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "kidREC"); 3778e586137SJiri Pirko return 0; 3788e98ac48SUrsula Braun } 3794a71df50SFrank Blaschka spin_lock_bh(&card->vlanlock); 3804a71df50SFrank Blaschka list_for_each_entry(id, &card->vid_list, list) { 3814a71df50SFrank Blaschka if (id->vid == vid) { 3824a71df50SFrank Blaschka list_del(&id->list); 3834a71df50SFrank Blaschka tmpid = id; 3844a71df50SFrank Blaschka break; 3854a71df50SFrank Blaschka } 3864a71df50SFrank Blaschka } 3874a71df50SFrank Blaschka spin_unlock_bh(&card->vlanlock); 3884a71df50SFrank Blaschka if (tmpid) { 3891aec42bcSThomas Richter rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); 3904a71df50SFrank Blaschka kfree(tmpid); 3914a71df50SFrank Blaschka } 392fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 3931aec42bcSThomas Richter return rc; 3944a71df50SFrank Blaschka } 3954a71df50SFrank Blaschka 396b2f4de8bSPeter Senna Tschudin static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) 3974a71df50SFrank Blaschka { 398d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP , 2, "stopcard"); 399d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 4004a71df50SFrank Blaschka 4014a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 4024a71df50SFrank Blaschka if (card->read.state == CH_STATE_UP && 4034a71df50SFrank Blaschka card->write.state == CH_STATE_UP && 4044a71df50SFrank Blaschka (card->state == CARD_STATE_UP)) { 4054a71df50SFrank Blaschka if (recovery_mode && 4064a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 4074a71df50SFrank Blaschka qeth_l2_stop(card->dev); 4084a71df50SFrank Blaschka } else { 4094a71df50SFrank Blaschka rtnl_lock(); 4104a71df50SFrank Blaschka dev_close(card->dev); 4114a71df50SFrank Blaschka rtnl_unlock(); 4124a71df50SFrank Blaschka } 41370919e23SUrsula Braun card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; 4144a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 4154a71df50SFrank Blaschka } 4164a71df50SFrank Blaschka if (card->state == CARD_STATE_SOFTSETUP) { 417c07cbf2eSJulian Wiedmann qeth_l2_del_all_macs(card); 4184a71df50SFrank Blaschka qeth_clear_ipacmd_list(card); 4194a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 4204a71df50SFrank Blaschka } 4214a71df50SFrank Blaschka if (card->state == CARD_STATE_HARDSETUP) { 4224a71df50SFrank Blaschka qeth_qdio_clear_card(card, 0); 4234a71df50SFrank Blaschka qeth_clear_qdio_buffers(card); 4244a71df50SFrank Blaschka qeth_clear_working_pool_list(card); 4254a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 4264a71df50SFrank Blaschka } 4274a71df50SFrank Blaschka if (card->state == CARD_STATE_DOWN) { 4284a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->read); 4294a71df50SFrank Blaschka qeth_clear_cmd_buffers(&card->write); 4304a71df50SFrank Blaschka } 4314a71df50SFrank Blaschka } 4324a71df50SFrank Blaschka 433a1c3ed4cSFrank Blaschka static int qeth_l2_process_inbound_buffer(struct qeth_card *card, 434a1c3ed4cSFrank Blaschka int budget, int *done) 4354a71df50SFrank Blaschka { 436a1c3ed4cSFrank Blaschka int work_done = 0; 4374a71df50SFrank Blaschka struct sk_buff *skb; 4384a71df50SFrank Blaschka struct qeth_hdr *hdr; 4394a71df50SFrank Blaschka unsigned int len; 4404a71df50SFrank Blaschka 441a1c3ed4cSFrank Blaschka *done = 0; 44218af5c17SStefan Raspl WARN_ON_ONCE(!budget); 443a1c3ed4cSFrank Blaschka while (budget) { 444a1c3ed4cSFrank Blaschka skb = qeth_core_get_next_skb(card, 445b3332930SFrank Blaschka &card->qdio.in_q->bufs[card->rx.b_index], 446a1c3ed4cSFrank Blaschka &card->rx.b_element, &card->rx.e_offset, &hdr); 447a1c3ed4cSFrank Blaschka if (!skb) { 448a1c3ed4cSFrank Blaschka *done = 1; 449a1c3ed4cSFrank Blaschka break; 4504a71df50SFrank Blaschka } 451a1c3ed4cSFrank Blaschka skb->dev = card->dev; 4524a71df50SFrank Blaschka switch (hdr->hdr.l2.id) { 4534a71df50SFrank Blaschka case QETH_HEADER_TYPE_LAYER2: 4544a71df50SFrank Blaschka skb->pkt_type = PACKET_HOST; 4554a71df50SFrank Blaschka skb->protocol = eth_type_trans(skb, skb->dev); 4564d7def2aSThomas Richter if ((card->dev->features & NETIF_F_RXCSUM) 4574d7def2aSThomas Richter && ((hdr->hdr.l2.flags[1] & 4584d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4594d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ)) == 4604d7def2aSThomas Richter (QETH_HDR_EXT_CSUM_HDR_REQ | 4614d7def2aSThomas Richter QETH_HDR_EXT_CSUM_TRANSP_REQ))) 4624d7def2aSThomas Richter skb->ip_summed = CHECKSUM_UNNECESSARY; 4634d7def2aSThomas Richter else 4644a71df50SFrank Blaschka skb->ip_summed = CHECKSUM_NONE; 46512883725SUrsula Braun if (skb->protocol == htons(ETH_P_802_2)) 4664a71df50SFrank Blaschka *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; 4674a71df50SFrank Blaschka len = skb->len; 4689abfa8cbSThomas Richter napi_gro_receive(&card->napi, skb); 4694a71df50SFrank Blaschka break; 4704a71df50SFrank Blaschka case QETH_HEADER_TYPE_OSN: 4712d488c2fSUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN) { 4724a71df50SFrank Blaschka skb_push(skb, sizeof(struct qeth_hdr)); 4734a71df50SFrank Blaschka skb_copy_to_linear_data(skb, hdr, 4744a71df50SFrank Blaschka sizeof(struct qeth_hdr)); 4754a71df50SFrank Blaschka len = skb->len; 4764a71df50SFrank Blaschka card->osn_info.data_cb(skb); 4774a71df50SFrank Blaschka break; 4782d488c2fSUrsula Braun } 4792d488c2fSUrsula Braun /* else unknown */ 4804a71df50SFrank Blaschka default: 4814a71df50SFrank Blaschka dev_kfree_skb_any(skb); 482847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "inbunkno"); 483d11ba0c4SPeter Tiedemann QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); 4844a71df50SFrank Blaschka continue; 4854a71df50SFrank Blaschka } 486a1c3ed4cSFrank Blaschka work_done++; 487a1c3ed4cSFrank Blaschka budget--; 4884a71df50SFrank Blaschka card->stats.rx_packets++; 4894a71df50SFrank Blaschka card->stats.rx_bytes += len; 4904a71df50SFrank Blaschka } 491a1c3ed4cSFrank Blaschka return work_done; 492a1c3ed4cSFrank Blaschka } 493a1c3ed4cSFrank Blaschka 4944a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card) 4954a71df50SFrank Blaschka { 4964a71df50SFrank Blaschka int rc = 0; 4974a71df50SFrank Blaschka char vendor_pre[] = {0x02, 0x00, 0x00}; 4984a71df50SFrank Blaschka 499ec61bd2fSJulian Wiedmann QETH_DBF_TEXT(SETUP, 2, "l2reqmac"); 500d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); 5014a71df50SFrank Blaschka 502ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) { 503ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card); 504ec61bd2fSJulian Wiedmann if (!rc) 505ec61bd2fSJulian Wiedmann goto out; 506ec61bd2fSJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %s: x%x\n", 507ec61bd2fSJulian Wiedmann CARD_BUS_ID(card), rc); 508ec61bd2fSJulian Wiedmann QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc); 509ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */ 510ec61bd2fSJulian Wiedmann } 511ec61bd2fSJulian Wiedmann 5125113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_IQD || 5135113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 5145113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX || 5155113fec0SUrsula Braun card->info.guestlan) { 5164a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card); 5174a71df50SFrank Blaschka if (rc) { 51814cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "couldn't get MAC address on " 51914cc21b6SFrank Blaschka "device %s: x%x\n", CARD_BUS_ID(card), rc); 5201aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); 5214a71df50SFrank Blaschka return rc; 5224a71df50SFrank Blaschka } 5234a71df50SFrank Blaschka } else { 5241833611dSJoe Perches eth_random_addr(card->dev->dev_addr); 5254a71df50SFrank Blaschka memcpy(card->dev->dev_addr, vendor_pre, 3); 5264a71df50SFrank Blaschka } 527ec61bd2fSJulian Wiedmann out: 528ec61bd2fSJulian Wiedmann QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len); 5294a71df50SFrank Blaschka return 0; 5304a71df50SFrank Blaschka } 5314a71df50SFrank Blaschka 5324a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p) 5334a71df50SFrank Blaschka { 5344a71df50SFrank Blaschka struct sockaddr *addr = p; 535509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 5364a71df50SFrank Blaschka int rc = 0; 5374a71df50SFrank Blaschka 538847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac"); 5394a71df50SFrank Blaschka 5405113fec0SUrsula Braun if (card->info.type == QETH_CARD_TYPE_OSN || 5415113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSM || 5425113fec0SUrsula Braun card->info.type == QETH_CARD_TYPE_OSX) { 543847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP"); 5444a71df50SFrank Blaschka return -EOPNOTSUPP; 5454a71df50SFrank Blaschka } 546847a50fdSCarsten Otte QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN); 5478e98ac48SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 548847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcREC"); 5498e98ac48SUrsula Braun return -ERESTARTSYS; 5508e98ac48SUrsula Braun } 5514a71df50SFrank Blaschka rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); 552efbbc1d5SEugene Crosser if (!rc || (rc == -ENOENT)) 5534a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data); 554e0a8114cSUrsula Braun return rc ? -EINVAL : 0; 5554a71df50SFrank Blaschka } 5564a71df50SFrank Blaschka 5570db587b0SEugene Crosser static void qeth_promisc_to_bridge(struct qeth_card *card) 5580db587b0SEugene Crosser { 5590db587b0SEugene Crosser struct net_device *dev = card->dev; 5600db587b0SEugene Crosser enum qeth_ipa_promisc_modes promisc_mode; 5610db587b0SEugene Crosser int role; 5620db587b0SEugene Crosser int rc; 5630db587b0SEugene Crosser 5640db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br"); 5650db587b0SEugene Crosser 5660db587b0SEugene Crosser if (!card->options.sbp.reflect_promisc) 5670db587b0SEugene Crosser return; 5680db587b0SEugene Crosser promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON 5690db587b0SEugene Crosser : SET_PROMISC_MODE_OFF; 5700db587b0SEugene Crosser if (promisc_mode == card->info.promisc_mode) 5710db587b0SEugene Crosser return; 5720db587b0SEugene Crosser 5730db587b0SEugene Crosser if (promisc_mode == SET_PROMISC_MODE_ON) { 5740db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary) 5750db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY; 5760db587b0SEugene Crosser else 5770db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY; 5780db587b0SEugene Crosser } else 5790db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE; 5800db587b0SEugene Crosser 5810db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role); 5820db587b0SEugene Crosser QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", 5830db587b0SEugene Crosser (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); 5840db587b0SEugene Crosser if (!rc) { 5850db587b0SEugene Crosser card->options.sbp.role = role; 5860db587b0SEugene Crosser card->info.promisc_mode = promisc_mode; 5870db587b0SEugene Crosser } 588fe5c8028SLakhvich Dmitriy 589fe5c8028SLakhvich Dmitriy } 590fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card 591fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already 592fe5c8028SLakhvich Dmitriy * 593fe5c8028SLakhvich Dmitriy */ 5944641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) 595fe5c8028SLakhvich Dmitriy { 596cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2])); 597fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 598fe5c8028SLakhvich Dmitriy 599cef6ff22SJulian Wiedmann hash_for_each_possible(card->mac_htable, mac, hnode, mac_hash) { 6004641b027SJulian Wiedmann if (!memcmp(ha->addr, mac->mac_addr, OSA_ADDR_LEN)) { 6015f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING; 602fe5c8028SLakhvich Dmitriy return; 603fe5c8028SLakhvich Dmitriy } 6040db587b0SEugene Crosser } 6050db587b0SEugene Crosser 606fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC); 607fe5c8028SLakhvich Dmitriy if (!mac) 608fe5c8028SLakhvich Dmitriy return; 609fe5c8028SLakhvich Dmitriy 610fe5c8028SLakhvich Dmitriy memcpy(mac->mac_addr, ha->addr, OSA_ADDR_LEN); 6115f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD; 612fe5c8028SLakhvich Dmitriy 613cef6ff22SJulian Wiedmann hash_add(card->mac_htable, &mac->hnode, mac_hash); 614fe5c8028SLakhvich Dmitriy } 615fe5c8028SLakhvich Dmitriy 616fe5c8028SLakhvich Dmitriy static void qeth_l2_set_rx_mode(struct net_device *dev) 6174a71df50SFrank Blaschka { 618509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 619ccffad25SJiri Pirko struct netdev_hw_addr *ha; 620fe5c8028SLakhvich Dmitriy struct qeth_mac *mac; 621fe5c8028SLakhvich Dmitriy struct hlist_node *tmp; 622fe5c8028SLakhvich Dmitriy int i; 623fe5c8028SLakhvich Dmitriy int rc; 6244a71df50SFrank Blaschka 6254a71df50SFrank Blaschka if (card->info.type == QETH_CARD_TYPE_OSN) 6264a71df50SFrank Blaschka return; 6274a71df50SFrank Blaschka 628847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti"); 6298e98ac48SUrsula Braun if (qeth_threads_running(card, QETH_RECOVER_THREAD) && 6308e98ac48SUrsula Braun (card->state != CARD_STATE_UP)) 6318e98ac48SUrsula Braun return; 632fe5c8028SLakhvich Dmitriy 6334a71df50SFrank Blaschka spin_lock_bh(&card->mclock); 634fe5c8028SLakhvich Dmitriy 63522bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev) 6364641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 63732e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev) 6384641b027SJulian Wiedmann qeth_l2_add_mac(card, ha); 639fe5c8028SLakhvich Dmitriy 640fe5c8028SLakhvich Dmitriy hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { 6415f78e29cSLakhvich Dmitriy if (mac->disp_flag == QETH_DISP_ADDR_DELETE) { 642979d7929SJulian Wiedmann qeth_l2_remove_mac(card, mac); 643fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 644fe5c8028SLakhvich Dmitriy kfree(mac); 645fe5c8028SLakhvich Dmitriy 6465f78e29cSLakhvich Dmitriy } else if (mac->disp_flag == QETH_DISP_ADDR_ADD) { 647fe5c8028SLakhvich Dmitriy rc = qeth_l2_write_mac(card, mac); 648fe5c8028SLakhvich Dmitriy if (rc) { 649fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode); 650fe5c8028SLakhvich Dmitriy kfree(mac); 651fe5c8028SLakhvich Dmitriy } else 6525f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 653fe5c8028SLakhvich Dmitriy } else 6545f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE; 655fe5c8028SLakhvich Dmitriy } 6567db2266aSFrank Blaschka 6574a71df50SFrank Blaschka spin_unlock_bh(&card->mclock); 658fe5c8028SLakhvich Dmitriy 6590db587b0SEugene Crosser if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) 6604a71df50SFrank Blaschka qeth_setadp_promisc_mode(card); 6610db587b0SEugene Crosser else 6620db587b0SEugene Crosser qeth_promisc_to_bridge(card); 6634a71df50SFrank Blaschka } 6644a71df50SFrank Blaschka 6657286384bSJulian Wiedmann static int qeth_l2_xmit_iqd(struct qeth_card *card, struct sk_buff *skb, 6667286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6677286384bSJulian Wiedmann { 6687286384bSJulian Wiedmann unsigned int data_offset = ETH_HLEN; 6697286384bSJulian Wiedmann struct qeth_hdr *hdr; 6707286384bSJulian Wiedmann int rc; 6717286384bSJulian Wiedmann 6727286384bSJulian Wiedmann hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); 6737286384bSJulian Wiedmann if (!hdr) 6747286384bSJulian Wiedmann return -ENOMEM; 675ae79fe03SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len); 6767286384bSJulian Wiedmann skb_copy_from_linear_data(skb, ((char *)hdr) + sizeof(*hdr), 6777286384bSJulian Wiedmann data_offset); 6787286384bSJulian Wiedmann 6797286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 1, data_offset)) { 6807286384bSJulian Wiedmann rc = -E2BIG; 6817286384bSJulian Wiedmann goto out; 6827286384bSJulian Wiedmann } 6837c2e9ba3SJulian Wiedmann rc = qeth_do_send_packet_fast(queue, skb, hdr, data_offset, 684f1588177SJulian Wiedmann sizeof(*hdr) + data_offset); 6857286384bSJulian Wiedmann out: 6867286384bSJulian Wiedmann if (rc) 6877286384bSJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 6887286384bSJulian Wiedmann return rc; 6897286384bSJulian Wiedmann } 6907286384bSJulian Wiedmann 6917286384bSJulian Wiedmann static int qeth_l2_xmit_osa(struct qeth_card *card, struct sk_buff *skb, 6927286384bSJulian Wiedmann struct qeth_qdio_out_q *queue, int cast_type) 6937286384bSJulian Wiedmann { 6940d6f02d3SJulian Wiedmann int push_len = sizeof(struct qeth_hdr); 6957286384bSJulian Wiedmann unsigned int elements, nr_frags; 6960d6f02d3SJulian Wiedmann unsigned int hdr_elements = 0; 6970d6f02d3SJulian Wiedmann struct qeth_hdr *hdr = NULL; 6980d6f02d3SJulian Wiedmann unsigned int hd_len = 0; 6997286384bSJulian Wiedmann int rc; 7007286384bSJulian Wiedmann 7017286384bSJulian Wiedmann /* fix hardware limitation: as long as we do not have sbal 7027286384bSJulian Wiedmann * chaining we can not send long frag lists 7037286384bSJulian Wiedmann */ 7047286384bSJulian Wiedmann if (!qeth_get_elements_no(card, skb, 0, 0)) { 7057286384bSJulian Wiedmann rc = skb_linearize(skb); 7067286384bSJulian Wiedmann 7077286384bSJulian Wiedmann if (card->options.performance_stats) { 7087286384bSJulian Wiedmann if (rc) 7097286384bSJulian Wiedmann card->perf_stats.tx_linfail++; 7107286384bSJulian Wiedmann else 7117286384bSJulian Wiedmann card->perf_stats.tx_lin++; 7127286384bSJulian Wiedmann } 7137286384bSJulian Wiedmann if (rc) 7147286384bSJulian Wiedmann return rc; 7157286384bSJulian Wiedmann } 7167286384bSJulian Wiedmann nr_frags = skb_shinfo(skb)->nr_frags; 7177286384bSJulian Wiedmann 7180d6f02d3SJulian Wiedmann rc = skb_cow_head(skb, push_len); 7190d6f02d3SJulian Wiedmann if (rc) 7200d6f02d3SJulian Wiedmann return rc; 7210d6f02d3SJulian Wiedmann push_len = qeth_push_hdr(skb, &hdr, push_len); 7220d6f02d3SJulian Wiedmann if (push_len < 0) 7230d6f02d3SJulian Wiedmann return push_len; 7240d6f02d3SJulian Wiedmann if (!push_len) { 7250d6f02d3SJulian Wiedmann /* hdr was allocated from cache */ 7260d6f02d3SJulian Wiedmann hd_len = sizeof(*hdr); 7270d6f02d3SJulian Wiedmann hdr_elements = 1; 7280d6f02d3SJulian Wiedmann } 7290d6f02d3SJulian Wiedmann qeth_l2_fill_header(hdr, skb, cast_type, skb->len - push_len); 7300d6f02d3SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL) 7310d6f02d3SJulian Wiedmann qeth_l2_hdr_csum(card, hdr, skb); 7327286384bSJulian Wiedmann 7330d6f02d3SJulian Wiedmann elements = qeth_get_elements_no(card, skb, hdr_elements, 0); 7347286384bSJulian Wiedmann if (!elements) { 7357286384bSJulian Wiedmann rc = -E2BIG; 7367286384bSJulian Wiedmann goto out; 7377286384bSJulian Wiedmann } 7380d6f02d3SJulian Wiedmann elements += hdr_elements; 7390d6f02d3SJulian Wiedmann 7400d6f02d3SJulian Wiedmann /* TODO: remove the skb_orphan() once TX completion is fast enough */ 7410d6f02d3SJulian Wiedmann skb_orphan(skb); 7420d6f02d3SJulian Wiedmann rc = qeth_do_send_packet(card, queue, skb, hdr, 0, hd_len, elements); 7437286384bSJulian Wiedmann out: 7447286384bSJulian Wiedmann if (!rc) { 7457286384bSJulian Wiedmann if (card->options.performance_stats && nr_frags) { 7467286384bSJulian Wiedmann card->perf_stats.sg_skbs_sent++; 7477286384bSJulian Wiedmann /* nr_frags + skb->data */ 7487286384bSJulian Wiedmann card->perf_stats.sg_frags_sent += nr_frags + 1; 7497286384bSJulian Wiedmann } 7507286384bSJulian Wiedmann } else { 7510d6f02d3SJulian Wiedmann if (hd_len) 7520d6f02d3SJulian Wiedmann kmem_cache_free(qeth_core_header_cache, hdr); 7530d6f02d3SJulian Wiedmann if (rc == -EBUSY) 7540d6f02d3SJulian Wiedmann /* roll back to ETH header */ 7550d6f02d3SJulian Wiedmann skb_pull(skb, push_len); 7567286384bSJulian Wiedmann } 7577286384bSJulian Wiedmann return rc; 7587286384bSJulian Wiedmann } 7597286384bSJulian Wiedmann 7607286384bSJulian Wiedmann static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, 7617286384bSJulian Wiedmann struct qeth_qdio_out_q *queue) 7627286384bSJulian Wiedmann { 7637286384bSJulian Wiedmann unsigned int elements; 7647286384bSJulian Wiedmann struct qeth_hdr *hdr; 7657286384bSJulian Wiedmann 7667286384bSJulian Wiedmann if (skb->protocol == htons(ETH_P_IPV6)) 7677286384bSJulian Wiedmann return -EPROTONOSUPPORT; 7687286384bSJulian Wiedmann 7697286384bSJulian Wiedmann hdr = (struct qeth_hdr *)skb->data; 7707286384bSJulian Wiedmann elements = qeth_get_elements_no(card, skb, 0, 0); 7717286384bSJulian Wiedmann if (!elements) 7727286384bSJulian Wiedmann return -E2BIG; 7737286384bSJulian Wiedmann if (qeth_hdr_chk_and_bounce(skb, &hdr, sizeof(*hdr))) 7747286384bSJulian Wiedmann return -EINVAL; 7759c3bfda9SJulian Wiedmann return qeth_do_send_packet(card, queue, skb, hdr, 0, 0, elements); 7767286384bSJulian Wiedmann } 7777286384bSJulian Wiedmann 778e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, 779e38db6beSJulian Wiedmann struct net_device *dev) 7804a71df50SFrank Blaschka { 781509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 782ce73e10eSKlaus-Dieter Wacker int cast_type = qeth_l2_get_cast_type(card, skb); 783290b8348SStefan Raspl struct qeth_qdio_out_q *queue; 7844a71df50SFrank Blaschka int tx_bytes = skb->len; 7857286384bSJulian Wiedmann int rc; 7864a71df50SFrank Blaschka 787290b8348SStefan Raspl if (card->qdio.do_prio_queueing || (cast_type && 788290b8348SStefan Raspl card->info.is_multicast_different)) 789290b8348SStefan Raspl queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb, 790290b8348SStefan Raspl qeth_get_ip_version(skb), cast_type)]; 791290b8348SStefan Raspl else 792290b8348SStefan Raspl queue = card->qdio.out_qs[card->qdio.default_out_queue]; 793290b8348SStefan Raspl 7944a71df50SFrank Blaschka if ((card->state != CARD_STATE_UP) || !card->lan_online) { 7954a71df50SFrank Blaschka card->stats.tx_carrier_errors++; 7964a71df50SFrank Blaschka goto tx_drop; 7974a71df50SFrank Blaschka } 7984a71df50SFrank Blaschka 7994a71df50SFrank Blaschka if (card->options.performance_stats) { 8004a71df50SFrank Blaschka card->perf_stats.outbound_cnt++; 8014a71df50SFrank Blaschka card->perf_stats.outbound_start_time = qeth_get_micros(); 8024a71df50SFrank Blaschka } 8034a71df50SFrank Blaschka netif_stop_queue(dev); 8044a71df50SFrank Blaschka 8057286384bSJulian Wiedmann switch (card->info.type) { 8067286384bSJulian Wiedmann case QETH_CARD_TYPE_OSN: 8077286384bSJulian Wiedmann rc = qeth_l2_xmit_osn(card, skb, queue); 8087286384bSJulian Wiedmann break; 8097286384bSJulian Wiedmann case QETH_CARD_TYPE_IQD: 8107286384bSJulian Wiedmann rc = qeth_l2_xmit_iqd(card, skb, queue, cast_type); 8117286384bSJulian Wiedmann break; 8127286384bSJulian Wiedmann default: 8137286384bSJulian Wiedmann rc = qeth_l2_xmit_osa(card, skb, queue, cast_type); 814683d718aSFrank Blaschka } 8154a71df50SFrank Blaschka 8164a71df50SFrank Blaschka if (!rc) { 8174a71df50SFrank Blaschka card->stats.tx_packets++; 8184a71df50SFrank Blaschka card->stats.tx_bytes += tx_bytes; 8194a71df50SFrank Blaschka if (card->options.performance_stats) 8204a71df50SFrank Blaschka card->perf_stats.outbound_time += qeth_get_micros() - 8214a71df50SFrank Blaschka card->perf_stats.outbound_start_time; 8227286384bSJulian Wiedmann netif_wake_queue(dev); 8237286384bSJulian Wiedmann return NETDEV_TX_OK; 8247286384bSJulian Wiedmann } else if (rc == -EBUSY) { 8257286384bSJulian Wiedmann return NETDEV_TX_BUSY; 8267286384bSJulian Wiedmann } /* else fall through */ 8274a71df50SFrank Blaschka 8284a71df50SFrank Blaschka tx_drop: 8294a71df50SFrank Blaschka card->stats.tx_dropped++; 8304a71df50SFrank Blaschka card->stats.tx_errors++; 8314a71df50SFrank Blaschka dev_kfree_skb_any(skb); 832d0ec0f54SFrank Blaschka netif_wake_queue(dev); 8334a71df50SFrank Blaschka return NETDEV_TX_OK; 8344a71df50SFrank Blaschka } 8354a71df50SFrank Blaschka 83639423440SUrsula Braun static int __qeth_l2_open(struct net_device *dev) 8374a71df50SFrank Blaschka { 838509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 839a1c3ed4cSFrank Blaschka int rc = 0; 8404a71df50SFrank Blaschka 841847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethopen"); 84239423440SUrsula Braun if (card->state == CARD_STATE_UP) 84339423440SUrsula Braun return rc; 8444a71df50SFrank Blaschka if (card->state != CARD_STATE_SOFTSETUP) 8454a71df50SFrank Blaschka return -ENODEV; 8464a71df50SFrank Blaschka 8474a71df50SFrank Blaschka if ((card->info.type != QETH_CARD_TYPE_OSN) && 8484a71df50SFrank Blaschka (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { 849847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "nomacadr"); 8504a71df50SFrank Blaschka return -EPERM; 8514a71df50SFrank Blaschka } 8524a71df50SFrank Blaschka card->data.state = CH_STATE_UP; 8534a71df50SFrank Blaschka card->state = CARD_STATE_UP; 8544a71df50SFrank Blaschka netif_start_queue(dev); 8554a71df50SFrank Blaschka 856a1c3ed4cSFrank Blaschka if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { 857a1c3ed4cSFrank Blaschka napi_enable(&card->napi); 858a1c3ed4cSFrank Blaschka napi_schedule(&card->napi); 859a1c3ed4cSFrank Blaschka } else 860a1c3ed4cSFrank Blaschka rc = -EIO; 861a1c3ed4cSFrank Blaschka return rc; 8624a71df50SFrank Blaschka } 8634a71df50SFrank Blaschka 86439423440SUrsula Braun static int qeth_l2_open(struct net_device *dev) 86539423440SUrsula Braun { 86639423440SUrsula Braun struct qeth_card *card = dev->ml_priv; 86739423440SUrsula Braun 86839423440SUrsula Braun QETH_CARD_TEXT(card, 5, "qethope_"); 86939423440SUrsula Braun if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { 87039423440SUrsula Braun QETH_CARD_TEXT(card, 3, "openREC"); 87139423440SUrsula Braun return -ERESTARTSYS; 87239423440SUrsula Braun } 87339423440SUrsula Braun return __qeth_l2_open(dev); 87439423440SUrsula Braun } 87539423440SUrsula Braun 8764a71df50SFrank Blaschka static int qeth_l2_stop(struct net_device *dev) 8774a71df50SFrank Blaschka { 878509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv; 8794a71df50SFrank Blaschka 880847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "qethstop"); 8814a71df50SFrank Blaschka netif_tx_disable(dev); 882a1c3ed4cSFrank Blaschka if (card->state == CARD_STATE_UP) { 8834a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 884a1c3ed4cSFrank Blaschka napi_disable(&card->napi); 885a1c3ed4cSFrank Blaschka } 8864a71df50SFrank Blaschka return 0; 8874a71df50SFrank Blaschka } 8884a71df50SFrank Blaschka 8892d2ebb3eSJulian Wiedmann static const struct device_type qeth_l2_devtype = { 8902d2ebb3eSJulian Wiedmann .name = "qeth_layer2", 8912d2ebb3eSJulian Wiedmann .groups = qeth_l2_attr_groups, 8922d2ebb3eSJulian Wiedmann }; 8932d2ebb3eSJulian Wiedmann 8944a71df50SFrank Blaschka static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 8954a71df50SFrank Blaschka { 8964a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 8979111e788SUrsula Braun int rc; 8984a71df50SFrank Blaschka 8992d2ebb3eSJulian Wiedmann if (gdev->dev.type == &qeth_generic_devtype) { 9009111e788SUrsula Braun rc = qeth_l2_create_device_attributes(&gdev->dev); 9019111e788SUrsula Braun if (rc) 9029111e788SUrsula Braun return rc; 9032d2ebb3eSJulian Wiedmann } 9044a71df50SFrank Blaschka INIT_LIST_HEAD(&card->vid_list); 905fe5c8028SLakhvich Dmitriy hash_init(card->mac_htable); 9064a71df50SFrank Blaschka card->options.layer2 = 1; 9071da74b1cSFrank Blaschka card->info.hwtrap = 0; 908caa1f0b1SHans Wippel qeth_l2_vnicc_set_defaults(card); 9094a71df50SFrank Blaschka return 0; 9104a71df50SFrank Blaschka } 9114a71df50SFrank Blaschka 9124a71df50SFrank Blaschka static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) 9134a71df50SFrank Blaschka { 9144a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 9154a71df50SFrank Blaschka 9162d2ebb3eSJulian Wiedmann if (cgdev->dev.type == &qeth_generic_devtype) 917b4d72c08SEugene Crosser qeth_l2_remove_device_attributes(&cgdev->dev); 918f2148565SUrsula Braun qeth_set_allowed_threads(card, 0, 1); 9194a71df50SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 9204a71df50SFrank Blaschka 92170919e23SUrsula Braun if (cgdev->state == CCWGROUP_ONLINE) 9224a71df50SFrank Blaschka qeth_l2_set_offline(cgdev); 9234a71df50SFrank Blaschka 9244a71df50SFrank Blaschka if (card->dev) { 9257831b4ffSUrsula Braun netif_napi_del(&card->napi); 9264a71df50SFrank Blaschka unregister_netdev(card->dev); 9274a71df50SFrank Blaschka card->dev = NULL; 9284a71df50SFrank Blaschka } 9294a71df50SFrank Blaschka return; 9304a71df50SFrank Blaschka } 9314a71df50SFrank Blaschka 9320fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_ethtool_ops = { 9334a71df50SFrank Blaschka .get_link = ethtool_op_get_link, 9344a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9354a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 936df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9374a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 938993e19c0SJulian Wiedmann .get_link_ksettings = qeth_core_ethtool_get_link_ksettings, 9394a71df50SFrank Blaschka }; 9404a71df50SFrank Blaschka 9410fc0b732SStephen Hemminger static const struct ethtool_ops qeth_l2_osn_ops = { 9424a71df50SFrank Blaschka .get_strings = qeth_core_get_strings, 9434a71df50SFrank Blaschka .get_ethtool_stats = qeth_core_get_ethtool_stats, 944df8b4ec8SBen Hutchings .get_sset_count = qeth_core_get_sset_count, 9454a71df50SFrank Blaschka .get_drvinfo = qeth_core_get_drvinfo, 9464a71df50SFrank Blaschka }; 9474a71df50SFrank Blaschka 9483d58cefdSFrank Blaschka static const struct net_device_ops qeth_l2_netdev_ops = { 9498403b13cSFrank Blaschka .ndo_open = qeth_l2_open, 9508403b13cSFrank Blaschka .ndo_stop = qeth_l2_stop, 9518403b13cSFrank Blaschka .ndo_get_stats = qeth_get_stats, 9528403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit, 9536d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check, 9548403b13cSFrank Blaschka .ndo_validate_addr = eth_validate_addr, 955fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode, 956942d6984SJulian Wiedmann .ndo_do_ioctl = qeth_do_ioctl, 9578403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address, 9588403b13cSFrank Blaschka .ndo_change_mtu = qeth_change_mtu, 9598403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, 9608403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, 9618403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout, 9628f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features, 9638f43fb00SThomas Richter .ndo_set_features = qeth_set_features 9648403b13cSFrank Blaschka }; 9658403b13cSFrank Blaschka 9664a71df50SFrank Blaschka static int qeth_l2_setup_netdev(struct qeth_card *card) 9674a71df50SFrank Blaschka { 9684a71df50SFrank Blaschka switch (card->info.type) { 9694a71df50SFrank Blaschka case QETH_CARD_TYPE_IQD: 970c835a677STom Gundersen card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, 971c835a677STom Gundersen ether_setup); 9724a71df50SFrank Blaschka break; 9734a71df50SFrank Blaschka case QETH_CARD_TYPE_OSN: 974c835a677STom Gundersen card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN, 975c835a677STom Gundersen ether_setup); 9764a71df50SFrank Blaschka break; 9774a71df50SFrank Blaschka default: 9784a71df50SFrank Blaschka card->dev = alloc_etherdev(0); 9794a71df50SFrank Blaschka } 9804a71df50SFrank Blaschka 9814a71df50SFrank Blaschka if (!card->dev) 9824a71df50SFrank Blaschka return -ENODEV; 9834a71df50SFrank Blaschka 984509e2562SHeiko Carstens card->dev->ml_priv = card; 9854a71df50SFrank Blaschka card->dev->watchdog_timeo = QETH_TX_TIMEOUT; 9864a71df50SFrank Blaschka card->dev->mtu = card->info.initial_mtu; 98746b3ef4cSJarod Wilson card->dev->min_mtu = 64; 98846b3ef4cSJarod Wilson card->dev->max_mtu = ETH_MAX_MTU; 9898403b13cSFrank Blaschka card->dev->netdev_ops = &qeth_l2_netdev_ops; 99025e2c341SJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSN) { 99125e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_osn_ops; 99225e2c341SJulian Wiedmann card->dev->flags |= IFF_NOARP; 99325e2c341SJulian Wiedmann } else { 99425e2c341SJulian Wiedmann card->dev->ethtool_ops = &qeth_l2_ethtool_ops; 99525e2c341SJulian Wiedmann } 9969400c53fSJulian Wiedmann 9979400c53fSJulian Wiedmann if (card->info.type == QETH_CARD_TYPE_OSM) 9989400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED; 9999400c53fSJulian Wiedmann else 1000f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 10014d7def2aSThomas Richter if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { 10028f43fb00SThomas Richter card->dev->hw_features = NETIF_F_SG; 10039bdc4411SHans Wippel card->dev->vlan_features = NETIF_F_SG; 10046d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG; 10058f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */ 10069bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { 10078f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM; 10089bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM; 10099bdc4411SHans Wippel } 10109bdc4411SHans Wippel if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { 10118f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_RXCSUM; 10129bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_RXCSUM; 10139bdc4411SHans Wippel } 10144d7def2aSThomas Richter } 10150d6f02d3SJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN && 10160d6f02d3SJulian Wiedmann card->info.type != QETH_CARD_TYPE_IQD) { 10170d6f02d3SJulian Wiedmann card->dev->priv_flags &= ~IFF_TX_SKB_SHARING; 10180d6f02d3SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr); 10190d6f02d3SJulian Wiedmann } 10200d6f02d3SJulian Wiedmann 10214a71df50SFrank Blaschka card->info.broadcast_capable = 1; 10224a71df50SFrank Blaschka qeth_l2_request_initial_mac(card); 10234a71df50SFrank Blaschka SET_NETDEV_DEV(card->dev, &card->gdev->dev); 1024d73ef324SJulian Wiedmann netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT); 1025e5ebe632SUrsula Braun netif_carrier_off(card->dev); 10264a71df50SFrank Blaschka return register_netdev(card->dev); 10274a71df50SFrank Blaschka } 10284a71df50SFrank Blaschka 10294d7def2aSThomas Richter static int qeth_l2_start_ipassists(struct qeth_card *card) 10304d7def2aSThomas Richter { 10314d7def2aSThomas Richter /* configure isolation level */ 10324d7def2aSThomas Richter if (qeth_set_access_ctrl_online(card, 0)) 10334d7def2aSThomas Richter return -ENODEV; 10344d7def2aSThomas Richter return 0; 10354d7def2aSThomas Richter } 10364d7def2aSThomas Richter 1037521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card) 1038521c10eaSJulian Wiedmann { 1039a45b3fafSHans Wippel /* Set BridgePort features */ 1040a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP"); 1041521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs, 1042521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs)); 1043a45b3fafSHans Wippel /* VNIC Characteristics features */ 1044a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC"); 1045a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars, 1046a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars)); 1047521c10eaSJulian Wiedmann } 1048521c10eaSJulian Wiedmann 10494a71df50SFrank Blaschka static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) 10504a71df50SFrank Blaschka { 10514a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 10524a71df50SFrank Blaschka int rc = 0; 10534a71df50SFrank Blaschka enum qeth_card_states recover_flag; 10544a71df50SFrank Blaschka 10559dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1056c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1057d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "setonlin"); 1058d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); 10594a71df50SFrank Blaschka 10604a71df50SFrank Blaschka recover_flag = card->state; 10614a71df50SFrank Blaschka rc = qeth_core_hardsetup_card(card); 10624a71df50SFrank Blaschka if (rc) { 10631aec42bcSThomas Richter QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); 1064aa909224SUrsula Braun rc = -ENODEV; 10654a71df50SFrank Blaschka goto out_remove; 10664a71df50SFrank Blaschka } 1067c044dc21SEugene Crosser qeth_bridgeport_query_support(card); 1068c044dc21SEugene Crosser if (card->options.sbp.supported_funcs) 1069c044dc21SEugene Crosser dev_info(&card->gdev->dev, 10709c23f4daSEugene Crosser "The device represents a Bridge Capable Port\n"); 10714a71df50SFrank Blaschka 1072aa909224SUrsula Braun if (!card->dev && qeth_l2_setup_netdev(card)) { 1073aa909224SUrsula Braun rc = -ENODEV; 10744a71df50SFrank Blaschka goto out_remove; 1075aa909224SUrsula Braun } 10764a71df50SFrank Blaschka 10774a71df50SFrank Blaschka if (card->info.type != QETH_CARD_TYPE_OSN) 10784a71df50SFrank Blaschka qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); 10794a71df50SFrank Blaschka 10801da74b1cSFrank Blaschka if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { 10811da74b1cSFrank Blaschka if (card->info.hwtrap && 10821da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) 10831da74b1cSFrank Blaschka card->info.hwtrap = 0; 10841da74b1cSFrank Blaschka } else 10851da74b1cSFrank Blaschka card->info.hwtrap = 0; 10861da74b1cSFrank Blaschka 1087a45b3fafSHans Wippel /* for the rx_bcast characteristic, init VNICC after setmac */ 1088a45b3fafSHans Wippel qeth_l2_vnicc_init(card); 1089a45b3fafSHans Wippel 1090a45b3fafSHans Wippel qeth_trace_features(card); 1091a45b3fafSHans Wippel qeth_l2_trace_features(card); 1092a45b3fafSHans Wippel 1093b4d72c08SEugene Crosser qeth_l2_setup_bridgeport_attrs(card); 1094b4d72c08SEugene Crosser 10954a71df50SFrank Blaschka card->state = CARD_STATE_HARDSETUP; 1096a1c3ed4cSFrank Blaschka memset(&card->rx, 0, sizeof(struct qeth_rx)); 10974a71df50SFrank Blaschka qeth_print_status_message(card); 10984a71df50SFrank Blaschka 10994a71df50SFrank Blaschka /* softsetup */ 1100d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 2, "softsetp"); 11014a71df50SFrank Blaschka 11025113fec0SUrsula Braun if ((card->info.type == QETH_CARD_TYPE_OSD) || 11030f54761dSStefan Raspl (card->info.type == QETH_CARD_TYPE_OSX)) { 11048f43fb00SThomas Richter rc = qeth_l2_start_ipassists(card); 11058f43fb00SThomas Richter if (rc) 11060f54761dSStefan Raspl goto out_remove; 11070f54761dSStefan Raspl } 11085113fec0SUrsula Braun 11099400c53fSJulian Wiedmann if (card->info.type != QETH_CARD_TYPE_OSN) 111070919e23SUrsula Braun qeth_l2_process_vlans(card); 11114a71df50SFrank Blaschka 11124a71df50SFrank Blaschka netif_tx_disable(card->dev); 11134a71df50SFrank Blaschka 11144a71df50SFrank Blaschka rc = qeth_init_qdio_queues(card); 11154a71df50SFrank Blaschka if (rc) { 1116d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); 1117aa909224SUrsula Braun rc = -ENODEV; 11184a71df50SFrank Blaschka goto out_remove; 11194a71df50SFrank Blaschka } 11204a71df50SFrank Blaschka card->state = CARD_STATE_SOFTSETUP; 11212b6203bbSUrsula Braun if (card->lan_online) 11224a71df50SFrank Blaschka netif_carrier_on(card->dev); 11232b6203bbSUrsula Braun else 11242b6203bbSUrsula Braun netif_carrier_off(card->dev); 11254a71df50SFrank Blaschka 11264a71df50SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 11274a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) { 11284a71df50SFrank Blaschka if (recovery_mode && 11294a71df50SFrank Blaschka card->info.type != QETH_CARD_TYPE_OSN) { 113039423440SUrsula Braun __qeth_l2_open(card->dev); 11314a71df50SFrank Blaschka } else { 11324a71df50SFrank Blaschka rtnl_lock(); 11334a71df50SFrank Blaschka dev_open(card->dev); 11344a71df50SFrank Blaschka rtnl_unlock(); 11354a71df50SFrank Blaschka } 11364a71df50SFrank Blaschka /* this also sets saved unicast addresses */ 1137fe5c8028SLakhvich Dmitriy qeth_l2_set_rx_mode(card->dev); 1138e830baa9SHans Wippel rtnl_lock(); 1139e830baa9SHans Wippel qeth_recover_features(card->dev); 1140e830baa9SHans Wippel rtnl_unlock(); 11414a71df50SFrank Blaschka } 11424a71df50SFrank Blaschka /* let user_space know that device is online */ 11434a71df50SFrank Blaschka kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); 1144c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11459dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 11464a71df50SFrank Blaschka return 0; 1147aa909224SUrsula Braun 11484a71df50SFrank Blaschka out_remove: 11494a71df50SFrank Blaschka qeth_l2_stop_card(card, 0); 11504a71df50SFrank Blaschka ccw_device_set_offline(CARD_DDEV(card)); 11514a71df50SFrank Blaschka ccw_device_set_offline(CARD_WDEV(card)); 11524a71df50SFrank Blaschka ccw_device_set_offline(CARD_RDEV(card)); 115322ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11544a71df50SFrank Blaschka if (recover_flag == CARD_STATE_RECOVER) 11554a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11564a71df50SFrank Blaschka else 11574a71df50SFrank Blaschka card->state = CARD_STATE_DOWN; 1158c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 11599dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 1160aa909224SUrsula Braun return rc; 11614a71df50SFrank Blaschka } 11624a71df50SFrank Blaschka 11634a71df50SFrank Blaschka static int qeth_l2_set_online(struct ccwgroup_device *gdev) 11644a71df50SFrank Blaschka { 11654a71df50SFrank Blaschka return __qeth_l2_set_online(gdev, 0); 11664a71df50SFrank Blaschka } 11674a71df50SFrank Blaschka 11684a71df50SFrank Blaschka static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, 11694a71df50SFrank Blaschka int recovery_mode) 11704a71df50SFrank Blaschka { 11714a71df50SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&cgdev->dev); 11724a71df50SFrank Blaschka int rc = 0, rc2 = 0, rc3 = 0; 11734a71df50SFrank Blaschka enum qeth_card_states recover_flag; 11744a71df50SFrank Blaschka 11759dc48cccSUrsula Braun mutex_lock(&card->discipline_mutex); 1176c4949f07SFrank Blaschka mutex_lock(&card->conf_mutex); 1177d11ba0c4SPeter Tiedemann QETH_DBF_TEXT(SETUP, 3, "setoffl"); 1178d11ba0c4SPeter Tiedemann QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); 11794a71df50SFrank Blaschka 11804a71df50SFrank Blaschka if (card->dev && netif_carrier_ok(card->dev)) 11814a71df50SFrank Blaschka netif_carrier_off(card->dev); 11824a71df50SFrank Blaschka recover_flag = card->state; 11831da74b1cSFrank Blaschka if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { 11841da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 11851da74b1cSFrank Blaschka card->info.hwtrap = 1; 11861da74b1cSFrank Blaschka } 11870f5623c9SUrsula Braun qeth_l2_stop_card(card, recovery_mode); 11884a71df50SFrank Blaschka rc = ccw_device_set_offline(CARD_DDEV(card)); 11894a71df50SFrank Blaschka rc2 = ccw_device_set_offline(CARD_WDEV(card)); 11904a71df50SFrank Blaschka rc3 = ccw_device_set_offline(CARD_RDEV(card)); 11914a71df50SFrank Blaschka if (!rc) 11924a71df50SFrank Blaschka rc = (rc2) ? rc2 : rc3; 11934a71df50SFrank Blaschka if (rc) 1194d11ba0c4SPeter Tiedemann QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 119522ae2790SUrsula Braun qdio_free(CARD_DDEV(card)); 11964a71df50SFrank Blaschka if (recover_flag == CARD_STATE_UP) 11974a71df50SFrank Blaschka card->state = CARD_STATE_RECOVER; 11984a71df50SFrank Blaschka /* let user_space know that device is offline */ 11994a71df50SFrank Blaschka kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); 1200c4949f07SFrank Blaschka mutex_unlock(&card->conf_mutex); 12019dc48cccSUrsula Braun mutex_unlock(&card->discipline_mutex); 12024a71df50SFrank Blaschka return 0; 12034a71df50SFrank Blaschka } 12044a71df50SFrank Blaschka 12054a71df50SFrank Blaschka static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) 12064a71df50SFrank Blaschka { 12074a71df50SFrank Blaschka return __qeth_l2_set_offline(cgdev, 0); 12084a71df50SFrank Blaschka } 12094a71df50SFrank Blaschka 12104a71df50SFrank Blaschka static int qeth_l2_recover(void *ptr) 12114a71df50SFrank Blaschka { 12124a71df50SFrank Blaschka struct qeth_card *card; 12134a71df50SFrank Blaschka int rc = 0; 12144a71df50SFrank Blaschka 12154a71df50SFrank Blaschka card = (struct qeth_card *) ptr; 1216847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover1"); 12174a71df50SFrank Blaschka if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) 12184a71df50SFrank Blaschka return 0; 1219847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "recover2"); 122074eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, 122174eacdb9SFrank Blaschka "A recovery process has been started for the device\n"); 122265d8013cSStefan Raspl qeth_set_recovery_task(card); 12234a71df50SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 12244a71df50SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 12254a71df50SFrank Blaschka if (!rc) 122674eacdb9SFrank Blaschka dev_info(&card->gdev->dev, 122774eacdb9SFrank Blaschka "Device successfully recovered!\n"); 122828a7e4c9SUrsula Braun else { 12290f54761dSStefan Raspl qeth_close_dev(card); 123074eacdb9SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 123174eacdb9SFrank Blaschka "failed to recover an error on the device\n"); 123228a7e4c9SUrsula Braun } 123365d8013cSStefan Raspl qeth_clear_recovery_task(card); 1234a1c3ed4cSFrank Blaschka qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); 1235a1c3ed4cSFrank Blaschka qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); 12364a71df50SFrank Blaschka return 0; 12374a71df50SFrank Blaschka } 12384a71df50SFrank Blaschka 12394a71df50SFrank Blaschka static int __init qeth_l2_init(void) 12404a71df50SFrank Blaschka { 124174eacdb9SFrank Blaschka pr_info("register layer 2 discipline\n"); 12424a71df50SFrank Blaschka return 0; 12434a71df50SFrank Blaschka } 12444a71df50SFrank Blaschka 12454a71df50SFrank Blaschka static void __exit qeth_l2_exit(void) 12464a71df50SFrank Blaschka { 124774eacdb9SFrank Blaschka pr_info("unregister layer 2 discipline\n"); 12484a71df50SFrank Blaschka } 12494a71df50SFrank Blaschka 1250bbcfcdc8SFrank Blaschka static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1251bbcfcdc8SFrank Blaschka { 1252bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1253bbcfcdc8SFrank Blaschka 1254bbcfcdc8SFrank Blaschka if (card->dev) 1255bbcfcdc8SFrank Blaschka netif_device_detach(card->dev); 1256bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0, 1); 1257bbcfcdc8SFrank Blaschka wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); 1258bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1259bbcfcdc8SFrank Blaschka return 0; 1260bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_UP) { 12611da74b1cSFrank Blaschka if (card->info.hwtrap) 12621da74b1cSFrank Blaschka qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1263bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 1); 1264bbcfcdc8SFrank Blaschka } else 1265bbcfcdc8SFrank Blaschka __qeth_l2_set_offline(card->gdev, 0); 1266bbcfcdc8SFrank Blaschka return 0; 1267bbcfcdc8SFrank Blaschka } 1268bbcfcdc8SFrank Blaschka 1269bbcfcdc8SFrank Blaschka static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) 1270bbcfcdc8SFrank Blaschka { 1271bbcfcdc8SFrank Blaschka struct qeth_card *card = dev_get_drvdata(&gdev->dev); 1272bbcfcdc8SFrank Blaschka int rc = 0; 1273bbcfcdc8SFrank Blaschka 1274bbcfcdc8SFrank Blaschka if (gdev->state == CCWGROUP_OFFLINE) 1275bbcfcdc8SFrank Blaschka goto out; 1276bbcfcdc8SFrank Blaschka 1277bbcfcdc8SFrank Blaschka if (card->state == CARD_STATE_RECOVER) { 1278bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 1); 1279bbcfcdc8SFrank Blaschka if (rc) { 1280bbcfcdc8SFrank Blaschka rtnl_lock(); 1281bbcfcdc8SFrank Blaschka dev_close(card->dev); 1282bbcfcdc8SFrank Blaschka rtnl_unlock(); 1283bbcfcdc8SFrank Blaschka } 1284bbcfcdc8SFrank Blaschka } else 1285bbcfcdc8SFrank Blaschka rc = __qeth_l2_set_online(card->gdev, 0); 1286bbcfcdc8SFrank Blaschka out: 1287bbcfcdc8SFrank Blaschka qeth_set_allowed_threads(card, 0xffffffff, 0); 1288bbcfcdc8SFrank Blaschka if (card->dev) 1289bbcfcdc8SFrank Blaschka netif_device_attach(card->dev); 1290bbcfcdc8SFrank Blaschka if (rc) 1291bbcfcdc8SFrank Blaschka dev_warn(&card->gdev->dev, "The qeth device driver " 1292bbcfcdc8SFrank Blaschka "failed to recover an error on the device\n"); 1293bbcfcdc8SFrank Blaschka return rc; 1294bbcfcdc8SFrank Blaschka } 1295bbcfcdc8SFrank Blaschka 1296c044dc21SEugene Crosser /* Returns zero if the command is successfully "consumed" */ 1297c044dc21SEugene Crosser static int qeth_l2_control_event(struct qeth_card *card, 1298c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1299c044dc21SEugene Crosser { 1300c044dc21SEugene Crosser switch (cmd->hdr.command) { 13019c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_OSA: 13029c23f4daSEugene Crosser case IPA_CMD_SETBRIDGEPORT_IQD: 1303c044dc21SEugene Crosser if (cmd->data.sbp.hdr.command_code == 1304c044dc21SEugene Crosser IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { 1305c044dc21SEugene Crosser qeth_bridge_state_change(card, cmd); 1306c044dc21SEugene Crosser return 0; 1307c044dc21SEugene Crosser } else 1308c044dc21SEugene Crosser return 1; 1309c044dc21SEugene Crosser case IPA_CMD_ADDRESS_CHANGE_NOTIF: 1310c044dc21SEugene Crosser qeth_bridge_host_event(card, cmd); 1311c044dc21SEugene Crosser return 0; 1312c044dc21SEugene Crosser default: 1313c044dc21SEugene Crosser return 1; 1314c044dc21SEugene Crosser } 1315c044dc21SEugene Crosser } 1316c044dc21SEugene Crosser 1317c041f2d4SSebastian Ott struct qeth_discipline qeth_l2_discipline = { 13182d2ebb3eSJulian Wiedmann .devtype = &qeth_l2_devtype, 1319c041f2d4SSebastian Ott .start_poll = qeth_qdio_start_poll, 1320c041f2d4SSebastian Ott .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, 1321c041f2d4SSebastian Ott .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, 1322d73ef324SJulian Wiedmann .process_rx_buffer = qeth_l2_process_inbound_buffer, 1323c041f2d4SSebastian Ott .recover = qeth_l2_recover, 1324c041f2d4SSebastian Ott .setup = qeth_l2_probe_device, 13254a71df50SFrank Blaschka .remove = qeth_l2_remove_device, 13264a71df50SFrank Blaschka .set_online = qeth_l2_set_online, 13274a71df50SFrank Blaschka .set_offline = qeth_l2_set_offline, 1328bbcfcdc8SFrank Blaschka .freeze = qeth_l2_pm_suspend, 1329bbcfcdc8SFrank Blaschka .thaw = qeth_l2_pm_resume, 1330bbcfcdc8SFrank Blaschka .restore = qeth_l2_pm_resume, 1331942d6984SJulian Wiedmann .do_ioctl = NULL, 1332c044dc21SEugene Crosser .control_event_handler = qeth_l2_control_event, 13334a71df50SFrank Blaschka }; 1334c041f2d4SSebastian Ott EXPORT_SYMBOL_GPL(qeth_l2_discipline); 13354a71df50SFrank Blaschka 13364a71df50SFrank Blaschka static int qeth_osn_send_control_data(struct qeth_card *card, int len, 13374a71df50SFrank Blaschka struct qeth_cmd_buffer *iob) 13384a71df50SFrank Blaschka { 13394a71df50SFrank Blaschka unsigned long flags; 13404a71df50SFrank Blaschka int rc = 0; 13414a71df50SFrank Blaschka 1342847a50fdSCarsten Otte QETH_CARD_TEXT(card, 5, "osndctrd"); 13434a71df50SFrank Blaschka 13444a71df50SFrank Blaschka wait_event(card->wait_q, 13454a71df50SFrank Blaschka atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); 13464a71df50SFrank Blaschka qeth_prepare_control_data(card, len, iob); 1347847a50fdSCarsten Otte QETH_CARD_TEXT(card, 6, "osnoirqp"); 13484a71df50SFrank Blaschka spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); 13494a71df50SFrank Blaschka rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, 13504a71df50SFrank Blaschka (addr_t) iob, 0, 0); 13514a71df50SFrank Blaschka spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); 13524a71df50SFrank Blaschka if (rc) { 135314cc21b6SFrank Blaschka QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " 13544a71df50SFrank Blaschka "ccw_device_start rc = %i\n", rc); 1355847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, " err%d", rc); 13564a71df50SFrank Blaschka qeth_release_buffer(iob->channel, iob); 13574a71df50SFrank Blaschka atomic_set(&card->write.irq_pending, 0); 13584a71df50SFrank Blaschka wake_up(&card->wait_q); 13594a71df50SFrank Blaschka } 13604a71df50SFrank Blaschka return rc; 13614a71df50SFrank Blaschka } 13624a71df50SFrank Blaschka 13634a71df50SFrank Blaschka static int qeth_osn_send_ipa_cmd(struct qeth_card *card, 13644a71df50SFrank Blaschka struct qeth_cmd_buffer *iob, int data_len) 13654a71df50SFrank Blaschka { 13664a71df50SFrank Blaschka u16 s1, s2; 13674a71df50SFrank Blaschka 1368847a50fdSCarsten Otte QETH_CARD_TEXT(card, 4, "osndipa"); 13694a71df50SFrank Blaschka 13704a71df50SFrank Blaschka qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); 13714a71df50SFrank Blaschka s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); 13724a71df50SFrank Blaschka s2 = (u16)data_len; 13734a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); 13744a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); 13754a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); 13764a71df50SFrank Blaschka memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); 13774a71df50SFrank Blaschka return qeth_osn_send_control_data(card, s1, iob); 13784a71df50SFrank Blaschka } 13794a71df50SFrank Blaschka 13804a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *dev, void *data, int data_len) 13814a71df50SFrank Blaschka { 13824a71df50SFrank Blaschka struct qeth_cmd_buffer *iob; 13834a71df50SFrank Blaschka struct qeth_card *card; 13844a71df50SFrank Blaschka int rc; 13854a71df50SFrank Blaschka 13864a71df50SFrank Blaschka if (!dev) 13874a71df50SFrank Blaschka return -ENODEV; 1388509e2562SHeiko Carstens card = dev->ml_priv; 13894a71df50SFrank Blaschka if (!card) 13904a71df50SFrank Blaschka return -ENODEV; 1391847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnsdmc"); 1392c3521254SEugene Crosser if (!qeth_card_hw_is_reachable(card)) 13934a71df50SFrank Blaschka return -ENODEV; 13944a71df50SFrank Blaschka iob = qeth_wait_for_buffer(&card->write); 13954a71df50SFrank Blaschka memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); 13964a71df50SFrank Blaschka rc = qeth_osn_send_ipa_cmd(card, iob, data_len); 13974a71df50SFrank Blaschka return rc; 13984a71df50SFrank Blaschka } 13994a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_assist); 14004a71df50SFrank Blaschka 14014a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, 14024a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 14034a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)) 14044a71df50SFrank Blaschka { 14054a71df50SFrank Blaschka struct qeth_card *card; 14064a71df50SFrank Blaschka 14074a71df50SFrank Blaschka *dev = qeth_l2_netdev_by_devno(read_dev_no); 14084a71df50SFrank Blaschka if (*dev == NULL) 14094a71df50SFrank Blaschka return -ENODEV; 1410509e2562SHeiko Carstens card = (*dev)->ml_priv; 14114a71df50SFrank Blaschka if (!card) 14124a71df50SFrank Blaschka return -ENODEV; 1413847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osnreg"); 14144a71df50SFrank Blaschka if ((assist_cb == NULL) || (data_cb == NULL)) 14154a71df50SFrank Blaschka return -EINVAL; 14164a71df50SFrank Blaschka card->osn_info.assist_cb = assist_cb; 14174a71df50SFrank Blaschka card->osn_info.data_cb = data_cb; 14184a71df50SFrank Blaschka return 0; 14194a71df50SFrank Blaschka } 14204a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_register); 14214a71df50SFrank Blaschka 14224a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *dev) 14234a71df50SFrank Blaschka { 14244a71df50SFrank Blaschka struct qeth_card *card; 14254a71df50SFrank Blaschka 14264a71df50SFrank Blaschka if (!dev) 14274a71df50SFrank Blaschka return; 1428509e2562SHeiko Carstens card = dev->ml_priv; 14294a71df50SFrank Blaschka if (!card) 14304a71df50SFrank Blaschka return; 1431847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "osndereg"); 14324a71df50SFrank Blaschka card->osn_info.assist_cb = NULL; 14334a71df50SFrank Blaschka card->osn_info.data_cb = NULL; 14344a71df50SFrank Blaschka return; 14354a71df50SFrank Blaschka } 14364a71df50SFrank Blaschka EXPORT_SYMBOL(qeth_osn_deregister); 14374a71df50SFrank Blaschka 1438b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */ 1439b4d72c08SEugene Crosser 14409f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; 14419f48b9dbSEugene Crosser 14429f48b9dbSEugene Crosser /** 14439f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification 14449f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events. 14459f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort 14469f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL. 14479f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an 14489f48b9dbSEugene Crosser * object, 0 - addition of an object. 14499f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. 14509f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port. 14519f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID. 14529f48b9dbSEugene Crosser * 14539f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are 14549f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled - 14559f48b9dbSEugene Crosser * for all currently registered addresses. 14569f48b9dbSEugene Crosser */ 14579f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card, 14589f48b9dbSEugene Crosser enum qeth_an_event_type evtype, 14599f48b9dbSEugene Crosser u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) 14609f48b9dbSEugene Crosser { 14619f48b9dbSEugene Crosser char str[7][32]; 14629f48b9dbSEugene Crosser char *env[8]; 14639f48b9dbSEugene Crosser int i = 0; 14649f48b9dbSEugene Crosser 14659f48b9dbSEugene Crosser switch (evtype) { 14669f48b9dbSEugene Crosser case anev_reg_unreg: 14679f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", 14689f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL) 14699f48b9dbSEugene Crosser ? "deregister" : "register"); 14709f48b9dbSEugene Crosser env[i] = str[i]; i++; 14719f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) { 14729f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "VLAN=%d", 14739f48b9dbSEugene Crosser addr_lnid->lnid); 14749f48b9dbSEugene Crosser env[i] = str[i]; i++; 14759f48b9dbSEugene Crosser } 14769f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { 14779846e70bSEugene Crosser snprintf(str[i], sizeof(str[i]), "MAC=%pM", 14789846e70bSEugene Crosser addr_lnid->mac); 14799f48b9dbSEugene Crosser env[i] = str[i]; i++; 14809f48b9dbSEugene Crosser } 14819f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", 14829f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum); 14839f48b9dbSEugene Crosser env[i] = str[i]; i++; 14849f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); 14859f48b9dbSEugene Crosser env[i] = str[i]; i++; 14869f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", 14879f48b9dbSEugene Crosser token->chpid); 14889f48b9dbSEugene Crosser env[i] = str[i]; i++; 14899f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); 14909f48b9dbSEugene Crosser env[i] = str[i]; i++; 14919f48b9dbSEugene Crosser break; 14929f48b9dbSEugene Crosser case anev_abort: 14939f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); 14949f48b9dbSEugene Crosser env[i] = str[i]; i++; 14959f48b9dbSEugene Crosser break; 14969f48b9dbSEugene Crosser case anev_reset: 14979f48b9dbSEugene Crosser snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); 14989f48b9dbSEugene Crosser env[i] = str[i]; i++; 14999f48b9dbSEugene Crosser break; 15009f48b9dbSEugene Crosser } 15019f48b9dbSEugene Crosser env[i] = NULL; 15029f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); 15039f48b9dbSEugene Crosser } 15049f48b9dbSEugene Crosser 1505b4d72c08SEugene Crosser struct qeth_bridge_state_data { 1506b4d72c08SEugene Crosser struct work_struct worker; 1507b4d72c08SEugene Crosser struct qeth_card *card; 1508b4d72c08SEugene Crosser struct qeth_sbp_state_change qports; 1509b4d72c08SEugene Crosser }; 1510b4d72c08SEugene Crosser 1511b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work) 1512b4d72c08SEugene Crosser { 1513b4d72c08SEugene Crosser struct qeth_bridge_state_data *data = 1514b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker); 1515b4d72c08SEugene Crosser /* We are only interested in the first entry - local port */ 1516b4d72c08SEugene Crosser struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; 1517b4d72c08SEugene Crosser char env_locrem[32]; 1518b4d72c08SEugene Crosser char env_role[32]; 1519b4d72c08SEugene Crosser char env_state[32]; 1520b4d72c08SEugene Crosser char *env[] = { 1521b4d72c08SEugene Crosser env_locrem, 1522b4d72c08SEugene Crosser env_role, 1523b4d72c08SEugene Crosser env_state, 1524b4d72c08SEugene Crosser NULL 1525b4d72c08SEugene Crosser }; 1526b4d72c08SEugene Crosser 1527b4d72c08SEugene Crosser /* Role should not change by itself, but if it did, */ 1528b4d72c08SEugene Crosser /* information from the hardware is authoritative. */ 1529b4d72c08SEugene Crosser mutex_lock(&data->card->conf_mutex); 1530b4d72c08SEugene Crosser data->card->options.sbp.role = entry->role; 1531b4d72c08SEugene Crosser mutex_unlock(&data->card->conf_mutex); 1532b4d72c08SEugene Crosser 1533b4d72c08SEugene Crosser snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); 1534b4d72c08SEugene Crosser snprintf(env_role, sizeof(env_role), "ROLE=%s", 1535b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_NONE) ? "none" : 1536b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : 1537b4d72c08SEugene Crosser (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : 1538b4d72c08SEugene Crosser "<INVALID>"); 1539b4d72c08SEugene Crosser snprintf(env_state, sizeof(env_state), "STATE=%s", 1540b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : 1541b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : 1542b4d72c08SEugene Crosser (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : 1543b4d72c08SEugene Crosser "<INVALID>"); 1544b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj, 1545b4d72c08SEugene Crosser KOBJ_CHANGE, env); 1546b4d72c08SEugene Crosser kfree(data); 1547b4d72c08SEugene Crosser } 1548b4d72c08SEugene Crosser 1549c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card, 1550c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 1551b4d72c08SEugene Crosser { 1552b4d72c08SEugene Crosser struct qeth_sbp_state_change *qports = 1553b4d72c08SEugene Crosser &cmd->data.sbp.data.state_change; 1554b4d72c08SEugene Crosser struct qeth_bridge_state_data *data; 1555b4d72c08SEugene Crosser int extrasize; 1556b4d72c08SEugene Crosser 1557b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng"); 1558b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 15598a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); 1560b4d72c08SEugene Crosser return; 1561b4d72c08SEugene Crosser } 1562b4d72c08SEugene Crosser extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; 1563b4d72c08SEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, 1564b4d72c08SEugene Crosser GFP_ATOMIC); 1565b4d72c08SEugene Crosser if (!data) { 1566b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc"); 1567b4d72c08SEugene Crosser return; 1568b4d72c08SEugene Crosser } 1569b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker); 1570b4d72c08SEugene Crosser data->card = card; 1571b4d72c08SEugene Crosser memcpy(&data->qports, qports, 1572b4d72c08SEugene Crosser sizeof(struct qeth_sbp_state_change) + extrasize); 1573b4d72c08SEugene Crosser queue_work(qeth_wq, &data->worker); 1574b4d72c08SEugene Crosser } 1575b4d72c08SEugene Crosser 15769f48b9dbSEugene Crosser struct qeth_bridge_host_data { 15779f48b9dbSEugene Crosser struct work_struct worker; 15789f48b9dbSEugene Crosser struct qeth_card *card; 15799f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change hostevs; 15809f48b9dbSEugene Crosser }; 15819f48b9dbSEugene Crosser 15829f48b9dbSEugene Crosser static void qeth_bridge_host_event_worker(struct work_struct *work) 15839f48b9dbSEugene Crosser { 15849f48b9dbSEugene Crosser struct qeth_bridge_host_data *data = 15859f48b9dbSEugene Crosser container_of(work, struct qeth_bridge_host_data, worker); 15869f48b9dbSEugene Crosser int i; 15879f48b9dbSEugene Crosser 15889f48b9dbSEugene Crosser if (data->hostevs.lost_event_mask) { 15899f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev, 15909c23f4daSEugene Crosser "Address notification from the Bridge Port stopped %s (%s)\n", 15919f48b9dbSEugene Crosser data->card->dev->name, 15929f48b9dbSEugene Crosser (data->hostevs.lost_event_mask == 0x01) 15939f48b9dbSEugene Crosser ? "Overflow" 15949f48b9dbSEugene Crosser : (data->hostevs.lost_event_mask == 0x02) 15959f48b9dbSEugene Crosser ? "Bridge port state change" 15969f48b9dbSEugene Crosser : "Unknown reason"); 15979f48b9dbSEugene Crosser mutex_lock(&data->card->conf_mutex); 15989f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0; 15999f48b9dbSEugene Crosser mutex_unlock(&data->card->conf_mutex); 16009f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort, 16019f48b9dbSEugene Crosser 0, NULL, NULL); 16029f48b9dbSEugene Crosser } else 16039f48b9dbSEugene Crosser for (i = 0; i < data->hostevs.num_entries; i++) { 16049f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry = 16059f48b9dbSEugene Crosser &data->hostevs.entry[i]; 16069f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, 16079f48b9dbSEugene Crosser anev_reg_unreg, 16089f48b9dbSEugene Crosser entry->change_code, 16099f48b9dbSEugene Crosser &entry->token, &entry->addr_lnid); 16109f48b9dbSEugene Crosser } 16119f48b9dbSEugene Crosser kfree(data); 16129f48b9dbSEugene Crosser } 16139f48b9dbSEugene Crosser 1614c044dc21SEugene Crosser static void qeth_bridge_host_event(struct qeth_card *card, 1615c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd) 16169f48b9dbSEugene Crosser { 16179f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs = 16189f48b9dbSEugene Crosser &cmd->data.addrchange; 16199f48b9dbSEugene Crosser struct qeth_bridge_host_data *data; 16209f48b9dbSEugene Crosser int extrasize; 16219f48b9dbSEugene Crosser 16229f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "brhostev"); 16239f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) { 16249f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) { 16259f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00) 16269f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff; 16279f48b9dbSEugene Crosser } else { 16289f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "BPHe%04x", 16299f48b9dbSEugene Crosser cmd->hdr.return_code); 16309f48b9dbSEugene Crosser return; 16319f48b9dbSEugene Crosser } 16329f48b9dbSEugene Crosser } 16339f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * 16349f48b9dbSEugene Crosser hostevs->num_entries; 16359f48b9dbSEugene Crosser data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, 16369f48b9dbSEugene Crosser GFP_ATOMIC); 16379f48b9dbSEugene Crosser if (!data) { 16389f48b9dbSEugene Crosser QETH_CARD_TEXT(card, 2, "BPHalloc"); 16399f48b9dbSEugene Crosser return; 16409f48b9dbSEugene Crosser } 16419f48b9dbSEugene Crosser INIT_WORK(&data->worker, qeth_bridge_host_event_worker); 16429f48b9dbSEugene Crosser data->card = card; 16439f48b9dbSEugene Crosser memcpy(&data->hostevs, hostevs, 16449f48b9dbSEugene Crosser sizeof(struct qeth_ipacmd_addr_change) + extrasize); 16459f48b9dbSEugene Crosser queue_work(qeth_wq, &data->worker); 16469f48b9dbSEugene Crosser } 16479f48b9dbSEugene Crosser 1648b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */ 1649b4d72c08SEugene Crosser 1650b4d72c08SEugene Crosser struct _qeth_sbp_cbctl { 1651b4d72c08SEugene Crosser u16 ipa_rc; 1652b4d72c08SEugene Crosser u16 cmd_rc; 1653b4d72c08SEugene Crosser union { 1654b4d72c08SEugene Crosser u32 supported; 1655b4d72c08SEugene Crosser struct { 1656b4d72c08SEugene Crosser enum qeth_sbp_roles *role; 1657b4d72c08SEugene Crosser enum qeth_sbp_states *state; 1658b4d72c08SEugene Crosser } qports; 1659b4d72c08SEugene Crosser } data; 1660b4d72c08SEugene Crosser }; 1661b4d72c08SEugene Crosser 1662b4d72c08SEugene Crosser /** 1663b4d72c08SEugene Crosser * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. 1664b4d72c08SEugene Crosser * @card: qeth_card structure pointer, for debug messages. 1665b4d72c08SEugene Crosser * @cbctl: state structure with hardware return codes. 1666b4d72c08SEugene Crosser * @setcmd: IPA command code 1667b4d72c08SEugene Crosser * 1668b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1669b4d72c08SEugene Crosser */ 1670b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card, 1671b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) 1672b4d72c08SEugene Crosser { 1673b4d72c08SEugene Crosser int rc; 16749c23f4daSEugene Crosser int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); 1675b4d72c08SEugene Crosser 16769c23f4daSEugene Crosser if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || 16779c23f4daSEugene Crosser (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) 1678b4d72c08SEugene Crosser switch (cbctl->cmd_rc) { 16792063a5f5SKittipon Meesompop case IPA_RC_SUCCESS: 1680b4d72c08SEugene Crosser rc = 0; 1681b4d72c08SEugene Crosser break; 16822063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD: 16832063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND: 1684ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1685b4d72c08SEugene Crosser break; 16862063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED: 16872063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED: 1688b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */ 1689b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 16909c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n"); 1691b4d72c08SEugene Crosser break; 16922063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH: 16932063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH: 16941b05cf62SEugene Crosser rc = -EPERM; 16951b05cf62SEugene Crosser dev_err(&card->gdev->dev, 16961b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n"); 16971b05cf62SEugene Crosser break; 16982063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY: 16992063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY: 1700b4d72c08SEugene Crosser switch (setcmd) { 1701b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: 1702b4d72c08SEugene Crosser rc = -EEXIST; 1703b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17049c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n"); 1705b4d72c08SEugene Crosser break; 1706b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: 1707b4d72c08SEugene Crosser rc = -EBUSY; 1708b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17099c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1710b4d72c08SEugene Crosser break; 1711b4d72c08SEugene Crosser default: 1712b4d72c08SEugene Crosser rc = -EIO; 1713b4d72c08SEugene Crosser } 1714b4d72c08SEugene Crosser break; 17152063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND: 17162063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND: 1717b4d72c08SEugene Crosser rc = -EBUSY; 1718b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17199c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n"); 1720b4d72c08SEugene Crosser break; 17212063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND: 17222063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND: 1723b4d72c08SEugene Crosser rc = -EEXIST; 1724b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17259c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n"); 1726b4d72c08SEugene Crosser break; 17272063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY: 17282063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY: 1729b4d72c08SEugene Crosser rc = -EBUSY; 1730b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17319c23f4daSEugene Crosser "The device is already a primary Bridge Port\n"); 1732b4d72c08SEugene Crosser break; 17332063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN: 17342063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN: 1735b4d72c08SEugene Crosser rc = -EACCES; 1736b4d72c08SEugene Crosser dev_err(&card->gdev->dev, 17379c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n"); 1738b4d72c08SEugene Crosser break; 1739b4d72c08SEugene Crosser default: 1740b4d72c08SEugene Crosser rc = -EIO; 1741b4d72c08SEugene Crosser } 17429c23f4daSEugene Crosser else 17439c23f4daSEugene Crosser switch (cbctl->ipa_rc) { 1744b4d72c08SEugene Crosser case IPA_RC_NOTSUPP: 1745ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1746b4d72c08SEugene Crosser break; 1747b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND: 1748ffb95251SEugene Crosser rc = -EOPNOTSUPP; 1749b4d72c08SEugene Crosser break; 1750b4d72c08SEugene Crosser default: 1751b4d72c08SEugene Crosser rc = -EIO; 1752b4d72c08SEugene Crosser } 17539c23f4daSEugene Crosser 1754b4d72c08SEugene Crosser if (rc) { 1755b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); 1756b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); 1757b4d72c08SEugene Crosser } 1758b4d72c08SEugene Crosser return rc; 1759b4d72c08SEugene Crosser } 1760b4d72c08SEugene Crosser 1761d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, 1762d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd, 1763d65626adSJulian Wiedmann unsigned int cmd_length) 17649c23f4daSEugene Crosser { 1765d65626adSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? 17669c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_IQD : 17679c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA; 1768d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob; 1769d65626adSJulian Wiedmann struct qeth_ipa_cmd *cmd; 1770d65626adSJulian Wiedmann 1771d65626adSJulian Wiedmann iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0); 1772d65626adSJulian Wiedmann if (!iob) 1773d65626adSJulian Wiedmann return iob; 1774d65626adSJulian Wiedmann cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); 1775d65626adSJulian Wiedmann cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + 1776d65626adSJulian Wiedmann cmd_length; 1777d65626adSJulian Wiedmann cmd->data.sbp.hdr.command_code = sbp_cmd; 1778d65626adSJulian Wiedmann cmd->data.sbp.hdr.used_total = 1; 1779d65626adSJulian Wiedmann cmd->data.sbp.hdr.seq_no = 1; 1780d65626adSJulian Wiedmann return iob; 17819c23f4daSEugene Crosser } 17829c23f4daSEugene Crosser 1783b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card, 1784b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1785b4d72c08SEugene Crosser { 1786b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1787b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1788b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb"); 1789b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1790b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1791b4d72c08SEugene Crosser if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { 1792b4d72c08SEugene Crosser cbctl->data.supported = 1793b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds; 1794b4d72c08SEugene Crosser } else { 1795b4d72c08SEugene Crosser cbctl->data.supported = 0; 1796b4d72c08SEugene Crosser } 1797b4d72c08SEugene Crosser return 0; 1798b4d72c08SEugene Crosser } 1799b4d72c08SEugene Crosser 1800b4d72c08SEugene Crosser /** 1801b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. 1802b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1803b4d72c08SEugene Crosser * 1804b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card 1805b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs. 1806b4d72c08SEugene Crosser */ 1807c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card) 1808b4d72c08SEugene Crosser { 1809b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1810b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1811b4d72c08SEugene Crosser 1812b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo"); 1813d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED, 1814d65626adSJulian Wiedmann sizeof(struct qeth_sbp_query_cmds_supp)); 18151aec42bcSThomas Richter if (!iob) 18161aec42bcSThomas Richter return; 1817b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, 1818b4d72c08SEugene Crosser (void *)&cbctl) || 1819b4d72c08SEugene Crosser qeth_bridgeport_makerc(card, &cbctl, 1820b4d72c08SEugene Crosser IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { 1821b4d72c08SEugene Crosser /* non-zero makerc signifies failure, and produce messages */ 1822b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE; 1823b4d72c08SEugene Crosser return; 1824b4d72c08SEugene Crosser } 1825b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported; 1826b4d72c08SEugene Crosser } 1827b4d72c08SEugene Crosser 1828b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, 1829b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1830b4d72c08SEugene Crosser { 1831b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 1832b4d72c08SEugene Crosser struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; 1833b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1834b4d72c08SEugene Crosser 1835b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb"); 1836b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1837b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1838b4d72c08SEugene Crosser if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) 1839b4d72c08SEugene Crosser return 0; 1840b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { 1841b4d72c08SEugene Crosser cbctl->cmd_rc = 0xffff; 1842b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); 1843b4d72c08SEugene Crosser return 0; 1844b4d72c08SEugene Crosser } 1845b4d72c08SEugene Crosser /* first entry contains the state of the local port */ 1846b4d72c08SEugene Crosser if (qports->num_entries > 0) { 1847b4d72c08SEugene Crosser if (cbctl->data.qports.role) 1848b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role; 1849b4d72c08SEugene Crosser if (cbctl->data.qports.state) 1850b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state; 1851b4d72c08SEugene Crosser } 1852b4d72c08SEugene Crosser return 0; 1853b4d72c08SEugene Crosser } 1854b4d72c08SEugene Crosser 1855b4d72c08SEugene Crosser /** 1856b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status. 1857b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1858b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary. 1859b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active. 1860b4d72c08SEugene Crosser * 1861b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1862b4d72c08SEugene Crosser * 1863b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure. 1864b4d72c08SEugene Crosser */ 1865b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 1866b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state) 1867b4d72c08SEugene Crosser { 1868b4d72c08SEugene Crosser int rc = 0; 1869b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1870b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = { 1871b4d72c08SEugene Crosser .data = { 1872b4d72c08SEugene Crosser .qports = { 1873b4d72c08SEugene Crosser .role = role, 1874b4d72c08SEugene Crosser .state = state, 1875b4d72c08SEugene Crosser }, 1876b4d72c08SEugene Crosser }, 1877b4d72c08SEugene Crosser }; 1878b4d72c08SEugene Crosser 1879b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports"); 1880b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) 1881b4d72c08SEugene Crosser return -EOPNOTSUPP; 1882d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0); 18831aec42bcSThomas Richter if (!iob) 18841aec42bcSThomas Richter return -ENOMEM; 1885b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, 1886b4d72c08SEugene Crosser (void *)&cbctl); 1887c88394e7SEugene Crosser if (rc < 0) 1888b4d72c08SEugene Crosser return rc; 1889c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); 1890b4d72c08SEugene Crosser } 1891b4d72c08SEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports); 1892b4d72c08SEugene Crosser 1893b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card, 1894b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data) 1895b4d72c08SEugene Crosser { 1896b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; 1897b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; 1898b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb"); 1899b4d72c08SEugene Crosser cbctl->ipa_rc = cmd->hdr.return_code; 1900b4d72c08SEugene Crosser cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; 1901b4d72c08SEugene Crosser return 0; 1902b4d72c08SEugene Crosser } 1903b4d72c08SEugene Crosser 1904b4d72c08SEugene Crosser /** 1905b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port. 1906b4d72c08SEugene Crosser * @card: qeth_card structure pointer. 1907b4d72c08SEugene Crosser * @role: Role to assign. 1908b4d72c08SEugene Crosser * 1909b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 1910b4d72c08SEugene Crosser */ 1911b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) 1912b4d72c08SEugene Crosser { 1913b4d72c08SEugene Crosser int rc = 0; 1914b4d72c08SEugene Crosser int cmdlength; 1915b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob; 1916b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl; 1917b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd; 1918b4d72c08SEugene Crosser 1919b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol"); 1920b4d72c08SEugene Crosser switch (role) { 1921b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE: 1922b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; 1923d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_reset_role); 1924b4d72c08SEugene Crosser break; 1925b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY: 1926b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; 1927d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_primary); 1928b4d72c08SEugene Crosser break; 1929b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY: 1930b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; 1931d65626adSJulian Wiedmann cmdlength = sizeof(struct qeth_sbp_set_secondary); 1932b4d72c08SEugene Crosser break; 1933b4d72c08SEugene Crosser default: 1934b4d72c08SEugene Crosser return -EINVAL; 1935b4d72c08SEugene Crosser } 1936b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd)) 1937b4d72c08SEugene Crosser return -EOPNOTSUPP; 1938d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength); 19391aec42bcSThomas Richter if (!iob) 19401aec42bcSThomas Richter return -ENOMEM; 1941b4d72c08SEugene Crosser rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, 1942b4d72c08SEugene Crosser (void *)&cbctl); 1943c88394e7SEugene Crosser if (rc < 0) 1944b4d72c08SEugene Crosser return rc; 1945c88394e7SEugene Crosser return qeth_bridgeport_makerc(card, &cbctl, setcmd); 1946b4d72c08SEugene Crosser } 1947b4d72c08SEugene Crosser 19489f48b9dbSEugene Crosser /** 19499f48b9dbSEugene Crosser * qeth_anset_makerc() - derive "traditional" error from hardware codes. 19509f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for debug messages. 19519f48b9dbSEugene Crosser * 19529f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 19539f48b9dbSEugene Crosser */ 19549f48b9dbSEugene Crosser static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) 19559f48b9dbSEugene Crosser { 19569f48b9dbSEugene Crosser int rc; 19579f48b9dbSEugene Crosser 19589f48b9dbSEugene Crosser if (pnso_rc == 0) 19599f48b9dbSEugene Crosser switch (response) { 19609f48b9dbSEugene Crosser case 0x0001: 19619f48b9dbSEugene Crosser rc = 0; 19629f48b9dbSEugene Crosser break; 19639f48b9dbSEugene Crosser case 0x0004: 19649f48b9dbSEugene Crosser case 0x0100: 19659f48b9dbSEugene Crosser case 0x0106: 1966ffb95251SEugene Crosser rc = -EOPNOTSUPP; 19679f48b9dbSEugene Crosser dev_err(&card->gdev->dev, 19689f48b9dbSEugene Crosser "Setting address notification failed\n"); 19699f48b9dbSEugene Crosser break; 19709f48b9dbSEugene Crosser case 0x0107: 19719f48b9dbSEugene Crosser rc = -EAGAIN; 19729f48b9dbSEugene Crosser break; 19739f48b9dbSEugene Crosser default: 19749f48b9dbSEugene Crosser rc = -EIO; 19759f48b9dbSEugene Crosser } 19769f48b9dbSEugene Crosser else 19779f48b9dbSEugene Crosser rc = -EIO; 19789f48b9dbSEugene Crosser 19799f48b9dbSEugene Crosser if (rc) { 19809f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); 19819f48b9dbSEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); 19829f48b9dbSEugene Crosser } 19839f48b9dbSEugene Crosser return rc; 19849f48b9dbSEugene Crosser } 19859f48b9dbSEugene Crosser 19869f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv, 19879f48b9dbSEugene Crosser enum qdio_brinfo_entry_type type, void *entry) 19889f48b9dbSEugene Crosser { 19899f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv; 19909f48b9dbSEugene Crosser struct qdio_brinfo_entry_l2 *l2entry; 19919f48b9dbSEugene Crosser u8 code; 19929f48b9dbSEugene Crosser 19939f48b9dbSEugene Crosser if (type != l2_addr_lnid) { 19949f48b9dbSEugene Crosser WARN_ON_ONCE(1); 19959f48b9dbSEugene Crosser return; 19969f48b9dbSEugene Crosser } 19979f48b9dbSEugene Crosser 19989f48b9dbSEugene Crosser l2entry = (struct qdio_brinfo_entry_l2 *)entry; 19999f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR; 20009f48b9dbSEugene Crosser if (l2entry->addr_lnid.lnid) 20019f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID; 20029f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code, 20039f48b9dbSEugene Crosser (struct net_if_token *)&l2entry->nit, 20049f48b9dbSEugene Crosser (struct mac_addr_lnid *)&l2entry->addr_lnid); 20059f48b9dbSEugene Crosser } 20069f48b9dbSEugene Crosser 20079f48b9dbSEugene Crosser /** 20089f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification 20099f48b9dbSEugene Crosser * @card: qeth_card structure pointer. 20109f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications 20119f48b9dbSEugene Crosser * 20129f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success. 20139f48b9dbSEugene Crosser * 20149f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all 20159f48b9dbSEugene Crosser * currently registered hosts. 20169f48b9dbSEugene Crosser */ 20179f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable) 20189f48b9dbSEugene Crosser { 20199f48b9dbSEugene Crosser int rc; 20209f48b9dbSEugene Crosser u16 response; 20219f48b9dbSEugene Crosser struct ccw_device *ddev; 20229f48b9dbSEugene Crosser struct subchannel_id schid; 20239f48b9dbSEugene Crosser 20249f48b9dbSEugene Crosser if (!card) 20259f48b9dbSEugene Crosser return -EINVAL; 20269f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs) 20279f48b9dbSEugene Crosser return -EOPNOTSUPP; 20289f48b9dbSEugene Crosser ddev = CARD_DDEV(card); 20299f48b9dbSEugene Crosser ccw_device_get_schid(ddev, &schid); 20309f48b9dbSEugene Crosser 20319f48b9dbSEugene Crosser if (enable) { 20329f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); 20339f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 1, &response, 20349f48b9dbSEugene Crosser qeth_bridgeport_an_set_cb, card); 20359f48b9dbSEugene Crosser } else 20369f48b9dbSEugene Crosser rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); 20379f48b9dbSEugene Crosser return qeth_anset_makerc(card, rc, response); 20389f48b9dbSEugene Crosser } 20399f48b9dbSEugene Crosser EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set); 20409f48b9dbSEugene Crosser 2041caa1f0b1SHans Wippel static bool qeth_bridgeport_is_in_use(struct qeth_card *card) 2042caa1f0b1SHans Wippel { 2043caa1f0b1SHans Wippel return (card->options.sbp.role || card->options.sbp.reflect_promisc || 2044caa1f0b1SHans Wippel card->options.sbp.hostnotification); 2045caa1f0b1SHans Wippel } 2046caa1f0b1SHans Wippel 2047a45b3fafSHans Wippel /* VNIC Characteristics support */ 2048a45b3fafSHans Wippel 2049a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */ 2050a45b3fafSHans Wippel static int qeth_l2_vnicc_makerc(struct qeth_card *card, int ipa_rc) 2051a45b3fafSHans Wippel { 2052a45b3fafSHans Wippel int rc; 2053a45b3fafSHans Wippel 2054a45b3fafSHans Wippel switch (ipa_rc) { 2055a45b3fafSHans Wippel case IPA_RC_SUCCESS: 2056a45b3fafSHans Wippel return ipa_rc; 2057a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD: 2058a45b3fafSHans Wippel case IPA_RC_NOTSUPP: 2059a45b3fafSHans Wippel rc = -EOPNOTSUPP; 2060a45b3fafSHans Wippel break; 2061a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ: 2062a45b3fafSHans Wippel rc = -EALREADY; 2063a45b3fafSHans Wippel break; 2064a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP: 2065a45b3fafSHans Wippel rc = -EBUSY; 2066a45b3fafSHans Wippel break; 2067a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL: 2068a45b3fafSHans Wippel rc = -ENOSPC; 2069a45b3fafSHans Wippel break; 2070a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: 2071a45b3fafSHans Wippel rc = -EACCES; 2072a45b3fafSHans Wippel break; 2073a45b3fafSHans Wippel default: 2074a45b3fafSHans Wippel rc = -EIO; 2075a45b3fafSHans Wippel } 2076a45b3fafSHans Wippel 2077a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc); 2078a45b3fafSHans Wippel return rc; 2079a45b3fafSHans Wippel } 2080a45b3fafSHans Wippel 2081a45b3fafSHans Wippel /* generic VNICC request call back control */ 2082a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl { 2083a45b3fafSHans Wippel u32 sub_cmd; 2084caa1f0b1SHans Wippel struct { 2085caa1f0b1SHans Wippel u32 vnic_char; 2086349d13d5SHans Wippel u32 timeout; 2087caa1f0b1SHans Wippel } param; 2088caa1f0b1SHans Wippel struct { 2089349d13d5SHans Wippel union{ 2090caa1f0b1SHans Wippel u32 *sup_cmds; 2091349d13d5SHans Wippel u32 *timeout; 2092349d13d5SHans Wippel }; 2093caa1f0b1SHans Wippel } result; 2094a45b3fafSHans Wippel }; 2095a45b3fafSHans Wippel 2096a45b3fafSHans Wippel /* generic VNICC request call back */ 2097a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card, 2098a45b3fafSHans Wippel struct qeth_reply *reply, 2099a45b3fafSHans Wippel unsigned long data) 2100a45b3fafSHans Wippel { 2101caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl = 2102caa1f0b1SHans Wippel (struct _qeth_l2_vnicc_request_cbctl *) reply->param; 2103a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; 2104a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc; 2105a45b3fafSHans Wippel 2106a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb"); 2107a45b3fafSHans Wippel if (cmd->hdr.return_code) 2108a45b3fafSHans Wippel return 0; 2109a45b3fafSHans Wippel /* return results to caller */ 2110a45b3fafSHans Wippel card->options.vnicc.sup_chars = rep->hdr.sup; 2111a45b3fafSHans Wippel card->options.vnicc.cur_chars = rep->hdr.cur; 2112a45b3fafSHans Wippel 2113caa1f0b1SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS) 2114caa1f0b1SHans Wippel *cbctl->result.sup_cmds = rep->query_cmds.sup_cmds; 2115caa1f0b1SHans Wippel 2116349d13d5SHans Wippel if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT) 2117349d13d5SHans Wippel *cbctl->result.timeout = rep->getset_timeout.timeout; 2118349d13d5SHans Wippel 2119a45b3fafSHans Wippel return 0; 2120a45b3fafSHans Wippel } 2121a45b3fafSHans Wippel 2122a45b3fafSHans Wippel /* generic VNICC request */ 2123a45b3fafSHans Wippel static int qeth_l2_vnicc_request(struct qeth_card *card, 2124a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl *cbctl) 2125a45b3fafSHans Wippel { 2126a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *req; 2127a45b3fafSHans Wippel struct qeth_cmd_buffer *iob; 2128a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd; 2129a45b3fafSHans Wippel int rc; 2130a45b3fafSHans Wippel 2131a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccreq"); 2132a45b3fafSHans Wippel 2133a45b3fafSHans Wippel /* get new buffer for request */ 2134a45b3fafSHans Wippel iob = qeth_get_ipacmd_buffer(card, IPA_CMD_VNICC, 0); 2135a45b3fafSHans Wippel if (!iob) 2136a45b3fafSHans Wippel return -ENOMEM; 2137a45b3fafSHans Wippel 2138a45b3fafSHans Wippel /* create header for request */ 2139a45b3fafSHans Wippel cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); 2140a45b3fafSHans Wippel req = &cmd->data.vnicc; 2141a45b3fafSHans Wippel 2142a45b3fafSHans Wippel /* create sub command header for request */ 2143a45b3fafSHans Wippel req->sub_hdr.data_length = sizeof(req->sub_hdr); 2144a45b3fafSHans Wippel req->sub_hdr.sub_command = cbctl->sub_cmd; 2145a45b3fafSHans Wippel 2146a45b3fafSHans Wippel /* create sub command specific request fields */ 2147a45b3fafSHans Wippel switch (cbctl->sub_cmd) { 2148a45b3fafSHans Wippel case IPA_VNICC_QUERY_CHARS: 2149a45b3fafSHans Wippel break; 2150caa1f0b1SHans Wippel case IPA_VNICC_QUERY_CMDS: 2151caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->query_cmds); 2152caa1f0b1SHans Wippel req->query_cmds.vnic_char = cbctl->param.vnic_char; 2153caa1f0b1SHans Wippel break; 2154caa1f0b1SHans Wippel case IPA_VNICC_ENABLE: 2155caa1f0b1SHans Wippel case IPA_VNICC_DISABLE: 2156caa1f0b1SHans Wippel req->sub_hdr.data_length += sizeof(req->set_char); 2157caa1f0b1SHans Wippel req->set_char.vnic_char = cbctl->param.vnic_char; 2158caa1f0b1SHans Wippel break; 2159349d13d5SHans Wippel case IPA_VNICC_SET_TIMEOUT: 2160349d13d5SHans Wippel req->getset_timeout.timeout = cbctl->param.timeout; 2161349d13d5SHans Wippel /* fallthrough */ 2162349d13d5SHans Wippel case IPA_VNICC_GET_TIMEOUT: 2163349d13d5SHans Wippel req->sub_hdr.data_length += sizeof(req->getset_timeout); 2164349d13d5SHans Wippel req->getset_timeout.vnic_char = cbctl->param.vnic_char; 2165349d13d5SHans Wippel break; 2166a45b3fafSHans Wippel default: 2167a45b3fafSHans Wippel qeth_release_buffer(iob->channel, iob); 2168a45b3fafSHans Wippel return -EOPNOTSUPP; 2169a45b3fafSHans Wippel } 2170a45b3fafSHans Wippel 2171a45b3fafSHans Wippel /* send request */ 2172a45b3fafSHans Wippel rc = qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, 2173a45b3fafSHans Wippel (void *) cbctl); 2174a45b3fafSHans Wippel 2175a45b3fafSHans Wippel return qeth_l2_vnicc_makerc(card, rc); 2176a45b3fafSHans Wippel } 2177a45b3fafSHans Wippel 2178a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */ 2179a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card) 2180a45b3fafSHans Wippel { 2181a45b3fafSHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2182a45b3fafSHans Wippel 2183a45b3fafSHans Wippel /* prepare callback control */ 2184a45b3fafSHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS; 2185a45b3fafSHans Wippel 2186a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccqch"); 2187a45b3fafSHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2188a45b3fafSHans Wippel } 2189a45b3fafSHans Wippel 2190caa1f0b1SHans Wippel /* VNICC query sub commands request */ 2191caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char, 2192caa1f0b1SHans Wippel u32 *sup_cmds) 2193caa1f0b1SHans Wippel { 2194caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2195caa1f0b1SHans Wippel 2196caa1f0b1SHans Wippel /* prepare callback control */ 2197caa1f0b1SHans Wippel cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS; 2198caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2199caa1f0b1SHans Wippel cbctl.result.sup_cmds = sup_cmds; 2200caa1f0b1SHans Wippel 2201caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccqcm"); 2202caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2203caa1f0b1SHans Wippel } 2204caa1f0b1SHans Wippel 2205caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */ 2206caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char, 2207caa1f0b1SHans Wippel u32 cmd) 2208caa1f0b1SHans Wippel { 2209caa1f0b1SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2210caa1f0b1SHans Wippel 2211caa1f0b1SHans Wippel /* prepare callback control */ 2212caa1f0b1SHans Wippel cbctl.sub_cmd = cmd; 2213caa1f0b1SHans Wippel cbctl.param.vnic_char = vnic_char; 2214caa1f0b1SHans Wippel 2215caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccedc"); 2216caa1f0b1SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2217caa1f0b1SHans Wippel } 2218caa1f0b1SHans Wippel 2219349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */ 2220349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc, 2221349d13d5SHans Wippel u32 cmd, u32 *timeout) 2222349d13d5SHans Wippel { 2223349d13d5SHans Wippel struct _qeth_l2_vnicc_request_cbctl cbctl; 2224349d13d5SHans Wippel 2225349d13d5SHans Wippel /* prepare callback control */ 2226349d13d5SHans Wippel cbctl.sub_cmd = cmd; 2227349d13d5SHans Wippel cbctl.param.vnic_char = vnicc; 2228349d13d5SHans Wippel if (cmd == IPA_VNICC_SET_TIMEOUT) 2229349d13d5SHans Wippel cbctl.param.timeout = *timeout; 2230349d13d5SHans Wippel if (cmd == IPA_VNICC_GET_TIMEOUT) 2231349d13d5SHans Wippel cbctl.result.timeout = timeout; 2232349d13d5SHans Wippel 2233349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgst"); 2234349d13d5SHans Wippel return qeth_l2_vnicc_request(card, &cbctl); 2235349d13d5SHans Wippel } 2236349d13d5SHans Wippel 2237caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */ 2238caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state) 2239caa1f0b1SHans Wippel { 2240caa1f0b1SHans Wippel int rc = 0; 2241caa1f0b1SHans Wippel u32 cmd; 2242caa1f0b1SHans Wippel 2243caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch"); 2244caa1f0b1SHans Wippel 2245caa1f0b1SHans Wippel /* do not change anything if BridgePort is enabled */ 2246caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2247caa1f0b1SHans Wippel return -EBUSY; 2248caa1f0b1SHans Wippel 2249caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */ 2250caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) || 2251caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc)) 2252caa1f0b1SHans Wippel return -EOPNOTSUPP; 2253caa1f0b1SHans Wippel 2254caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */ 2255caa1f0b1SHans Wippel if (state) { 2256caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE; 2257caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc; 2258caa1f0b1SHans Wippel } else { 2259caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE; 2260caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2261caa1f0b1SHans Wippel } 2262caa1f0b1SHans Wippel 2263caa1f0b1SHans Wippel /* do we need to do anything? */ 2264caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars) 2265caa1f0b1SHans Wippel return rc; 2266caa1f0b1SHans Wippel 2267caa1f0b1SHans Wippel /* if card is not ready, simply stop here */ 2268caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2269caa1f0b1SHans Wippel if (state) 2270caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc; 2271caa1f0b1SHans Wippel else 2272caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc; 2273caa1f0b1SHans Wippel return rc; 2274caa1f0b1SHans Wippel } 2275caa1f0b1SHans Wippel 2276caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd); 2277caa1f0b1SHans Wippel if (rc) 2278caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = 2279caa1f0b1SHans Wippel card->options.vnicc.cur_chars; 2280349d13d5SHans Wippel else { 2281349d13d5SHans Wippel /* successful online VNICC change; handle special cases */ 2282349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST) 2283caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true; 2284349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING) 2285349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc, 2286349d13d5SHans Wippel &card->options.vnicc.learning_timeout); 2287349d13d5SHans Wippel } 2288caa1f0b1SHans Wippel 2289caa1f0b1SHans Wippel return rc; 2290caa1f0b1SHans Wippel } 2291caa1f0b1SHans Wippel 2292caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */ 2293caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state) 2294caa1f0b1SHans Wippel { 2295caa1f0b1SHans Wippel int rc = 0; 2296caa1f0b1SHans Wippel 2297caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch"); 2298caa1f0b1SHans Wippel 2299caa1f0b1SHans Wippel /* do not get anything if BridgePort is enabled */ 2300caa1f0b1SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2301caa1f0b1SHans Wippel return -EBUSY; 2302caa1f0b1SHans Wippel 2303caa1f0b1SHans Wippel /* check if characteristic is supported */ 2304caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc)) 2305caa1f0b1SHans Wippel return -EOPNOTSUPP; 2306caa1f0b1SHans Wippel 2307caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */ 2308caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card)) 2309caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card); 2310caa1f0b1SHans Wippel 2311caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false; 2312caa1f0b1SHans Wippel return rc; 2313caa1f0b1SHans Wippel } 2314caa1f0b1SHans Wippel 2315349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning 2316349d13d5SHans Wippel * supports timeout 2317349d13d5SHans Wippel */ 2318349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout) 2319349d13d5SHans Wippel { 2320349d13d5SHans Wippel int rc = 0; 2321349d13d5SHans Wippel 2322349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto"); 2323349d13d5SHans Wippel 2324349d13d5SHans Wippel /* do not change anything if BridgePort is enabled */ 2325349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2326349d13d5SHans Wippel return -EBUSY; 2327349d13d5SHans Wippel 2328349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */ 2329349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2330349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2331349d13d5SHans Wippel return -EOPNOTSUPP; 2332349d13d5SHans Wippel 2333349d13d5SHans Wippel /* do we need to do anything? */ 2334349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout) 2335349d13d5SHans Wippel return rc; 2336349d13d5SHans Wippel 2337349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */ 2338349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) { 2339349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2340349d13d5SHans Wippel return rc; 2341349d13d5SHans Wippel } 2342349d13d5SHans Wippel 2343349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */ 2344349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2345349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout); 2346349d13d5SHans Wippel if (!rc) 2347349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout; 2348349d13d5SHans Wippel 2349349d13d5SHans Wippel return rc; 2350349d13d5SHans Wippel } 2351349d13d5SHans Wippel 2352349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only 2353349d13d5SHans Wippel * learning supports timeout 2354349d13d5SHans Wippel */ 2355349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) 2356349d13d5SHans Wippel { 2357349d13d5SHans Wippel int rc = 0; 2358349d13d5SHans Wippel 2359349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto"); 2360349d13d5SHans Wippel 2361349d13d5SHans Wippel /* do not get anything if BridgePort is enabled */ 2362349d13d5SHans Wippel if (qeth_bridgeport_is_in_use(card)) 2363349d13d5SHans Wippel return -EBUSY; 2364349d13d5SHans Wippel 2365349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */ 2366349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) || 2367349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING)) 2368349d13d5SHans Wippel return -EOPNOTSUPP; 2369349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */ 2370349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout; 2371349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card)) 2372349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING, 2373349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT, 2374349d13d5SHans Wippel timeout); 2375349d13d5SHans Wippel 2376349d13d5SHans Wippel return rc; 2377349d13d5SHans Wippel } 2378349d13d5SHans Wippel 2379caa1f0b1SHans Wippel /* check if VNICC is currently enabled */ 2380caa1f0b1SHans Wippel bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) 2381caa1f0b1SHans Wippel { 2382caa1f0b1SHans Wippel /* if everything is turned off, VNICC is not active */ 2383caa1f0b1SHans Wippel if (!card->options.vnicc.cur_chars) 2384caa1f0b1SHans Wippel return false; 2385caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user 2386caa1f0b1SHans Wippel * or the card is offline. 2387caa1f0b1SHans Wippel */ 2388caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) { 2389caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled || 2390caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card)) 2391caa1f0b1SHans Wippel return false; 2392caa1f0b1SHans Wippel } 2393caa1f0b1SHans Wippel return true; 2394caa1f0b1SHans Wippel } 2395caa1f0b1SHans Wippel 2396349d13d5SHans Wippel /* recover user timeout setting */ 2397349d13d5SHans Wippel static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, 2398349d13d5SHans Wippel u32 *timeout) 2399349d13d5SHans Wippel { 2400349d13d5SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2401349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup & vnicc && 2402349d13d5SHans Wippel !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT, 2403349d13d5SHans Wippel timeout)) 2404349d13d5SHans Wippel return false; 2405349d13d5SHans Wippel *timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2406349d13d5SHans Wippel return true; 2407349d13d5SHans Wippel } 2408349d13d5SHans Wippel 2409caa1f0b1SHans Wippel /* recover user characteristic setting */ 2410caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc, 2411caa1f0b1SHans Wippel bool enable) 2412caa1f0b1SHans Wippel { 2413caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE; 2414caa1f0b1SHans Wippel 2415caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc && 2416caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc && 2417caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd)) 2418caa1f0b1SHans Wippel return false; 2419caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc; 2420caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc; 2421caa1f0b1SHans Wippel return true; 2422caa1f0b1SHans Wippel } 2423caa1f0b1SHans Wippel 2424a45b3fafSHans Wippel /* (re-)initialize VNICC */ 2425a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card) 2426a45b3fafSHans Wippel { 2427349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout; 2428caa1f0b1SHans Wippel unsigned int chars_len, i; 2429caa1f0b1SHans Wippel unsigned long chars_tmp; 2430caa1f0b1SHans Wippel u32 sup_cmds, vnicc; 2431caa1f0b1SHans Wippel bool enable, error; 2432caa1f0b1SHans Wippel 2433a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini"); 2434caa1f0b1SHans Wippel /* reset rx_bcast */ 2435caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0; 2436a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */ 2437a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) { 2438349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT || 2439349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT) 2440caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2441caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */ 2442a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0; 2443a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0; 2444caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2445caa1f0b1SHans Wippel return; 2446a45b3fafSHans Wippel } 2447caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */ 2448caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars; 2449caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE; 2450caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2451caa1f0b1SHans Wippel vnicc = BIT(i); 2452caa1f0b1SHans Wippel qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds); 2453349d13d5SHans Wippel if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) || 2454349d13d5SHans Wippel !(sup_cmds & IPA_VNICC_GET_TIMEOUT)) 2455349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc; 2456caa1f0b1SHans Wippel if (!(sup_cmds & IPA_VNICC_ENABLE) || 2457caa1f0b1SHans Wippel !(sup_cmds & IPA_VNICC_DISABLE)) 2458caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc; 2459caa1f0b1SHans Wippel } 2460caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */ 2461349d13d5SHans Wippel error = qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING, 2462349d13d5SHans Wippel timeout); 2463caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT; 2464caa1f0b1SHans Wippel chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE; 2465caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE; 2466caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) { 2467caa1f0b1SHans Wippel vnicc = BIT(i); 2468caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc; 2469caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable); 2470caa1f0b1SHans Wippel } 2471caa1f0b1SHans Wippel if (error) 2472caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n"); 2473caa1f0b1SHans Wippel } 2474caa1f0b1SHans Wippel 2475caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */ 2476caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card) 2477caa1f0b1SHans Wippel { 2478caa1f0b1SHans Wippel /* characteristics values */ 2479caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL; 2480caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT; 2481349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT; 2482caa1f0b1SHans Wippel /* supported commands */ 2483caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL; 2484349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING; 2485caa1f0b1SHans Wippel /* settings wanted by users */ 2486caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT; 2487a45b3fafSHans Wippel } 2488a45b3fafSHans Wippel 24894a71df50SFrank Blaschka module_init(qeth_l2_init); 24904a71df50SFrank Blaschka module_exit(qeth_l2_exit); 24914a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); 24924a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline"); 24934a71df50SFrank Blaschka MODULE_LICENSE("GPL"); 2494