--- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -678,6 +678,7 @@ struct qeth_card_options { int performance_stats; int rx_sg_cb; enum qeth_ipa_isolation_modes isolation; + enum qeth_ipa_isolation_modes prev_isolation; int sniffer; enum qeth_cq cq; char hsuid[9]; @@ -789,6 +790,7 @@ struct qeth_card { struct qeth_rx rx; struct delayed_work buffer_reclaim_work; int reclaim_index; + struct work_struct close_dev_work; }; struct qeth_card_list_struct { @@ -925,12 +927,13 @@ void qeth_core_get_strings(struct net_de void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); -int qeth_set_access_ctrl_online(struct qeth_card *card); +int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); int qeth_hdr_chk_and_bounce(struct sk_buff *, int); int qeth_configure_cq(struct qeth_card *, enum qeth_cq); int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); void qeth_trace_features(struct qeth_card *); +void qeth_close_dev(struct qeth_card *); /* exports for OSN */ int qeth_osn_assist(struct net_device *, void *, int); --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -68,6 +68,27 @@ static void qeth_clear_output_buffer(str enum qeth_qdio_buffer_states newbufstate); static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int); +static struct workqueue_struct *qeth_wq; + +static void qeth_close_dev_handler(struct work_struct *work) +{ + struct qeth_card *card; + + card = container_of(work, struct qeth_card, close_dev_work); + QETH_CARD_TEXT(card, 2, "cldevhdl"); + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + ccwgroup_set_offline(card->gdev); +} + +void qeth_close_dev(struct qeth_card *card) +{ + QETH_CARD_TEXT(card, 2, "cldevsubm"); + queue_work(qeth_wq, &card->close_dev_work); +} +EXPORT_SYMBOL_GPL(qeth_close_dev); + static inline const char *qeth_get_cardname(struct qeth_card *card) { if (card->info.guestlan) { @@ -542,11 +563,23 @@ static struct qeth_ipa_cmd *qeth_check_i } else { switch (cmd->hdr.command) { case IPA_CMD_STOPLAN: - dev_warn(&card->gdev->dev, + if (cmd->hdr.return_code == + IPA_RC_VEPA_TO_VEB_TRANSITION) { + dev_err(&card->gdev->dev, + "Interface %s is down because the " + "adjacent port is no longer in " + "reflective relay mode\n", + QETH_CARD_IFNAME(card)); + qeth_close_dev(card); + } else { + dev_warn(&card->gdev->dev, "The link for interface %s on CHPID" " 0x%X failed\n", QETH_CARD_IFNAME(card), card->info.chpid); + qeth_issue_ipa_msg(cmd, + cmd->hdr.return_code, card); + } card->lan_online = 0; if (card->dev && netif_carrier_ok(card->dev)) netif_carrier_off(card->dev); @@ -1416,6 +1449,7 @@ static int qeth_setup_card(struct qeth_c /* init QDIO stuff */ qeth_init_qdio_info(card); INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work); + INIT_WORK(&card->close_dev_work, qeth_close_dev_handler); return 0; } @@ -4057,6 +4091,7 @@ static int qeth_setadpparms_set_access_c { struct qeth_ipa_cmd *cmd; struct qeth_set_access_ctrl *access_ctrl_req; + int fallback = *(int *)reply->param; QETH_CARD_TEXT(card, 4, "setaccb"); @@ -4066,12 +4101,14 @@ static int qeth_setadpparms_set_access_c QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); QETH_DBF_TEXT_(SETUP, 2, "rc=%d", cmd->data.setadapterparms.hdr.return_code); + if (cmd->data.setadapterparms.hdr.return_code != + SET_ACCESS_CTRL_RC_SUCCESS) + QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", + card->gdev->dev.kobj.name, + access_ctrl_req->subcmd_code, + cmd->data.setadapterparms.hdr.return_code); switch (cmd->data.setadapterparms.hdr.return_code) { case SET_ACCESS_CTRL_RC_SUCCESS: - case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: - case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: - { - card->options.isolation = access_ctrl_req->subcmd_code; if (card->options.isolation == ISOLATION_MODE_NONE) { dev_info(&card->gdev->dev, "QDIO data connection isolation is deactivated\n"); @@ -4079,72 +4116,64 @@ static int qeth_setadpparms_set_access_c dev_info(&card->gdev->dev, "QDIO data connection isolation is activated\n"); } - QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); break; - } + case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: + QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already " + "deactivated\n", dev_name(&card->gdev->dev)); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: + QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already" + " activated\n", dev_name(&card->gdev->dev)); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; case SET_ACCESS_CTRL_RC_NOT_SUPPORTED: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "Adapter does not " "support QDIO data connection isolation\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; break; - } case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "Adapter is dedicated. " "QDIO data connection isolation not supported\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; break; - } case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF: - { - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); dev_err(&card->gdev->dev, "TSO does not permit QDIO data connection isolation\n"); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED: + dev_err(&card->gdev->dev, "The adjacent switch port does not " + "support reflective relay mode\n"); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_FAILED: + dev_err(&card->gdev->dev, "The reflective relay mode cannot be " + "enabled at the adjacent switch port"); + if (fallback) + card->options.isolation = card->options.prev_isolation; + break; + case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED: + dev_warn(&card->gdev->dev, "Turning off reflective relay mode " + "at the adjacent switch failed\n"); break; - } default: - { /* this should never happen */ - QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d" - "==UNKNOWN\n", - card->gdev->dev.kobj.name, - access_ctrl_req->subcmd_code, - cmd->data.setadapterparms.hdr.return_code); - - /* ensure isolation mode is "none" */ - card->options.isolation = ISOLATION_MODE_NONE; + if (fallback) + card->options.isolation = card->options.prev_isolation; break; } - } qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, - enum qeth_ipa_isolation_modes isolation) + enum qeth_ipa_isolation_modes isolation, int fallback) { int rc; struct qeth_cmd_buffer *iob; @@ -4164,12 +4193,12 @@ static int qeth_setadpparms_set_access_c access_ctrl_req->subcmd_code = isolation; rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb, - NULL); + &fallback); QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc); return rc; } -int qeth_set_access_ctrl_online(struct qeth_card *card) +int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback) { int rc = 0; @@ -4179,12 +4208,13 @@ int qeth_set_access_ctrl_online(struct q card->info.type == QETH_CARD_TYPE_OSX) && qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) { rc = qeth_setadpparms_set_access_ctrl(card, - card->options.isolation); + card->options.isolation, fallback); if (rc) { QETH_DBF_MESSAGE(3, "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n", card->gdev->dev.kobj.name, rc); + rc = -EOPNOTSUPP; } } else if (card->options.isolation != ISOLATION_MODE_NONE) { card->options.isolation = ISOLATION_MODE_NONE; @@ -5552,6 +5582,8 @@ static int __init qeth_core_init(void) rwlock_init(&qeth_core_card_list.rwlock); mutex_init(&qeth_mod_mutex); + qeth_wq = create_singlethread_workqueue("qeth_wq"); + rc = qeth_register_dbf_views(); if (rc) goto out_err; @@ -5598,6 +5630,7 @@ out_err: static void __exit qeth_core_exit(void) { + destroy_workqueue(qeth_wq); ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); ccw_driver_unregister(&qeth_ccw_driver); kmem_cache_destroy(qeth_qdio_outbuf_cache); --- a/drivers/s390/net/qeth_core_mpc.c +++ b/drivers/s390/net/qeth_core_mpc.c @@ -204,6 +204,7 @@ static struct ipa_rc_msg qeth_ipa_rc_msg {IPA_RC_INVALID_SETRTG_INDICATOR, "Invalid SETRTG indicator"}, {IPA_RC_MC_ADDR_ALREADY_DEFINED, "Multicast address already defined"}, {IPA_RC_LAN_OFFLINE, "STRTLAN_LAN_DISABLED - LAN offline"}, + {IPA_RC_VEPA_TO_VEB_TRANSITION, "Adj. switch disabled port mode RR"}, {IPA_RC_INVALID_IP_VERSION2, "Invalid IP version"}, {IPA_RC_ENOMEM, "Memory problem"}, {IPA_RC_FFFF, "Unknown Error"} --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -177,6 +177,7 @@ enum qeth_ipa_return_codes { IPA_RC_INVALID_SETRTG_INDICATOR = 0xe012, IPA_RC_MC_ADDR_ALREADY_DEFINED = 0xe013, IPA_RC_LAN_OFFLINE = 0xe080, + IPA_RC_VEPA_TO_VEB_TRANSITION = 0xe090, IPA_RC_INVALID_IP_VERSION2 = 0xf001, IPA_RC_ENOMEM = 0xfffe, IPA_RC_FFFF = 0xffff @@ -269,6 +270,9 @@ enum qeth_ipa_set_access_mode_rc { SET_ACCESS_CTRL_RC_ALREADY_ISOLATED = 0x0010, SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER = 0x0014, SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF = 0x0018, + SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED = 0x0022, + SET_ACCESS_CTRL_RC_REFLREL_FAILED = 0x0024, + SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED = 0x0028, }; @@ -386,6 +390,7 @@ struct qeth_snmp_ureq { /* SET_ACCESS_CONTROL: same format for request and reply */ struct qeth_set_access_ctrl { __u32 subcmd_code; + __u8 reserved[8]; } __attribute__((packed)); struct qeth_query_oat { --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -513,10 +513,11 @@ static ssize_t qeth_dev_isolation_store( rc = count; /* defer IP assist if device is offline (until discipline->set_online)*/ + card->options.prev_isolation = card->options.isolation; card->options.isolation = isolation; if (card->state == CARD_STATE_SOFTSETUP || card->state == CARD_STATE_UP) { - int ipa_rc = qeth_set_access_ctrl_online(card); + int ipa_rc = qeth_set_access_ctrl_online(card, 1); if (ipa_rc != 0) rc = ipa_rc; } --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1025,9 +1025,14 @@ static int __qeth_l2_set_online(struct c contin: if ((card->info.type == QETH_CARD_TYPE_OSD) || - (card->info.type == QETH_CARD_TYPE_OSX)) + (card->info.type == QETH_CARD_TYPE_OSX)) { /* configure isolation level */ - qeth_set_access_ctrl_online(card); + rc = qeth_set_access_ctrl_online(card, 0); + if (rc) { + rc = -ENODEV; + goto out_remove; + } + } if (card->info.type != QETH_CARD_TYPE_OSN && card->info.type != QETH_CARD_TYPE_OSM) @@ -1144,12 +1149,9 @@ static int qeth_l2_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - if (rtnl_trylock()) { - dev_close(card->dev); - rtnl_unlock(); - dev_warn(&card->gdev->dev, "The qeth device driver " + qeth_close_dev(card); + dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); - } } qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1449,7 +1449,8 @@ static int qeth_l3_start_ipassists(struc { QETH_CARD_TEXT(card, 3, "strtipas"); - qeth_set_access_ctrl_online(card); /* go on*/ + if (qeth_set_access_ctrl_online(card, 0)) + return -EIO; qeth_l3_start_ipa_arp_processing(card); /* go on*/ qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ qeth_l3_start_ipa_source_mac(card); /* go on*/ @@ -3388,8 +3389,10 @@ contin: QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); if (!card->options.sniffer) { rc = qeth_l3_start_ipassists(card); - if (rc) + if (rc) { QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); + goto out_remove; + } rc = qeth_l3_setrouting_v4(card); if (rc) QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); @@ -3511,12 +3514,9 @@ static int qeth_l3_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - if (rtnl_trylock()) { - dev_close(card->dev); - rtnl_unlock(); - dev_warn(&card->gdev->dev, "The qeth device driver " + qeth_close_dev(card); + dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); - } } qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);