diff options
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 522 |
1 files changed, 482 insertions, 40 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 6384f7adba66..e12ac32b8b47 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -17,10 +17,13 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/etherdevice.h> +#include <linux/if_bridge.h> #include <linux/list.h> #include <linux/hash.h> #include <linux/hashtable.h> +#include <net/switchdev.h> #include <asm/chsc.h> +#include <asm/css_chars.h> #include <asm/setup.h> #include "qeth_core.h" #include "qeth_l2.h" @@ -30,6 +33,7 @@ static void qeth_bridge_state_change(struct qeth_card *card, struct qeth_ipa_cmd *cmd); static void qeth_addr_change_event(struct qeth_card *card, struct qeth_ipa_cmd *cmd); +static bool qeth_bridgeport_is_in_use(struct qeth_card *card); static void qeth_l2_vnicc_set_defaults(struct qeth_card *card); static void qeth_l2_vnicc_init(struct qeth_card *card); static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, @@ -273,8 +277,37 @@ static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); } +static void qeth_l2_set_pnso_mode(struct qeth_card *card, + enum qeth_pnso_mode mode) +{ + spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card))); + WRITE_ONCE(card->info.pnso_mode, mode); + spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card))); + + if (mode == QETH_PNSO_NONE) + drain_workqueue(card->event_wq); +} + +static void qeth_l2_dev2br_fdb_flush(struct qeth_card *card) +{ + struct switchdev_notifier_fdb_info info; + + QETH_CARD_TEXT(card, 2, "fdbflush"); + + info.addr = NULL; + /* flush all VLANs: */ + info.vid = 0; + info.added_by_user = false; + info.offloaded = true; + + call_switchdev_notifiers(SWITCHDEV_FDB_FLUSH_TO_BRIDGE, + card->dev, &info.info, NULL); +} + static void qeth_l2_stop_card(struct qeth_card *card) { + struct qeth_priv *priv = netdev_priv(card->dev); + QETH_CARD_TEXT(card, 2, "stopcard"); qeth_set_allowed_threads(card, 0, 1); @@ -290,9 +323,15 @@ static void qeth_l2_stop_card(struct qeth_card *card) qeth_qdio_clear_card(card, 0); qeth_drain_output_queues(card); qeth_clear_working_pool_list(card); - flush_workqueue(card->event_wq); + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); qeth_flush_local_addrs(card); card->info.promisc_mode = 0; + + if (priv->brport_features & BR_LEARNING_SYNC) { + rtnl_lock(); + qeth_l2_dev2br_fdb_flush(card); + rtnl_unlock(); + } } static int qeth_l2_request_initial_mac(struct qeth_card *card) @@ -631,6 +670,7 @@ static void qeth_l2_set_rx_mode(struct net_device *dev) /** * qeth_l2_pnso() - perform network subchannel operation * @card: qeth_card structure pointer + * @oc: Operation Code * @cnc: Boolean Change-Notification Control * @cb: Callback function will be executed for each element * of the address list @@ -641,7 +681,7 @@ static void qeth_l2_set_rx_mode(struct net_device *dev) * control" is set, further changes in the address list will be reported * via the IPA command. */ -static int qeth_l2_pnso(struct qeth_card *card, int cnc, +static int qeth_l2_pnso(struct qeth_card *card, u8 oc, int cnc, void (*cb)(void *priv, struct chsc_pnso_naid_l2 *entry), void *priv) { @@ -652,13 +692,14 @@ static int qeth_l2_pnso(struct qeth_card *card, int cnc, int i, size, elems; int rc; - QETH_CARD_TEXT(card, 2, "PNSO"); rr = (struct chsc_pnso_area *)get_zeroed_page(GFP_KERNEL); if (rr == NULL) return -ENOMEM; do { + QETH_CARD_TEXT(card, 2, "PNSO"); /* on the first iteration, naihdr.resume_token will be zero */ - rc = ccw_device_pnso(ddev, rr, rr->naihdr.resume_token, cnc); + rc = ccw_device_pnso(ddev, rr, oc, rr->naihdr.resume_token, + cnc); if (rc) continue; if (cb == NULL) @@ -694,6 +735,218 @@ static int qeth_l2_pnso(struct qeth_card *card, int cnc, return rc; } +static bool qeth_is_my_net_if_token(struct qeth_card *card, + struct net_if_token *token) +{ + return ((card->info.ddev_devno == token->devnum) && + (card->info.cssid == token->cssid) && + (card->info.iid == token->iid) && + (card->info.ssid == token->ssid) && + (card->info.chpid == token->chpid) && + (card->info.chid == token->chid)); +} + +/** + * qeth_l2_dev2br_fdb_notify() - update fdb of master bridge + * @card: qeth_card structure pointer + * @code: event bitmask: high order bit 0x80 set to + * 1 - removal of an object + * 0 - addition of an object + * Object type(s): + * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC + * @token: "network token" structure identifying 'physical' location + * of the target + * @addr_lnid: structure with MAC address and VLAN ID of the target + */ +static void qeth_l2_dev2br_fdb_notify(struct qeth_card *card, u8 code, + struct net_if_token *token, + struct mac_addr_lnid *addr_lnid) +{ + struct switchdev_notifier_fdb_info info; + u8 ntfy_mac[ETH_ALEN]; + + ether_addr_copy(ntfy_mac, addr_lnid->mac); + /* Ignore VLAN only changes */ + if (!(code & IPA_ADDR_CHANGE_CODE_MACADDR)) + return; + /* Ignore mcast entries */ + if (is_multicast_ether_addr(ntfy_mac)) + return; + /* Ignore my own addresses */ + if (qeth_is_my_net_if_token(card, token)) + return; + + info.addr = ntfy_mac; + /* don't report VLAN IDs */ + info.vid = 0; + info.added_by_user = false; + info.offloaded = true; + + if (code & IPA_ADDR_CHANGE_CODE_REMOVAL) { + call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE, + card->dev, &info.info, NULL); + QETH_CARD_TEXT(card, 4, "andelmac"); + QETH_CARD_TEXT_(card, 4, + "mc%012lx", ether_addr_to_u64(ntfy_mac)); + } else { + call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE, + card->dev, &info.info, NULL); + QETH_CARD_TEXT(card, 4, "anaddmac"); + QETH_CARD_TEXT_(card, 4, + "mc%012lx", ether_addr_to_u64(ntfy_mac)); + } +} + +static void qeth_l2_dev2br_an_set_cb(void *priv, + struct chsc_pnso_naid_l2 *entry) +{ + u8 code = IPA_ADDR_CHANGE_CODE_MACADDR; + struct qeth_card *card = priv; + + if (entry->addr_lnid.lnid < VLAN_N_VID) + code |= IPA_ADDR_CHANGE_CODE_VLANID; + qeth_l2_dev2br_fdb_notify(card, code, + (struct net_if_token *)&entry->nit, + (struct mac_addr_lnid *)&entry->addr_lnid); +} + +/** + * qeth_l2_dev2br_an_set() - + * Enable or disable 'dev to bridge network address notification' + * @card: qeth_card structure pointer + * @enable: Enable or disable 'dev to bridge network address notification' + * + * Returns negative errno-compatible error indication or 0 on success. + * + * On enable, emits a series of address notifications for all + * currently registered hosts. + * + * Must be called under rtnl_lock + */ +static int qeth_l2_dev2br_an_set(struct qeth_card *card, bool enable) +{ + int rc; + + if (enable) { + QETH_CARD_TEXT(card, 2, "anseton"); + rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 1, + qeth_l2_dev2br_an_set_cb, card); + if (rc == -EAGAIN) + /* address notification enabled, but inconsistent + * addresses reported -> disable address notification + */ + qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, + NULL, NULL); + } else { + QETH_CARD_TEXT(card, 2, "ansetoff"); + rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL); + } + + return rc; +} + +static int qeth_l2_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, + struct net_device *dev, u32 filter_mask, + int nlflags) +{ + struct qeth_priv *priv = netdev_priv(dev); + struct qeth_card *card = dev->ml_priv; + u16 mode = BRIDGE_MODE_UNDEF; + + /* Do not even show qeth devs that cannot do bridge_setlink */ + if (!priv->brport_hw_features || !netif_device_present(dev) || + qeth_bridgeport_is_in_use(card)) + return -EOPNOTSUPP; + + return ndo_dflt_bridge_getlink(skb, pid, seq, dev, + mode, priv->brport_features, + priv->brport_hw_features, + nlflags, filter_mask, NULL); +} + +static const struct nla_policy qeth_brport_policy[IFLA_BRPORT_MAX + 1] = { + [IFLA_BRPORT_LEARNING_SYNC] = { .type = NLA_U8 }, +}; + +/** + * qeth_l2_bridge_setlink() - set bridgeport attributes + * @dev: netdevice + * @nlh: netlink message header + * @flags: bridge flags (here: BRIDGE_FLAGS_SELF) + * @extack: extended ACK report struct + * + * Called under rtnl_lock + */ +static int qeth_l2_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, + u16 flags, struct netlink_ext_ack *extack) +{ + struct qeth_priv *priv = netdev_priv(dev); + struct nlattr *bp_tb[IFLA_BRPORT_MAX + 1]; + struct qeth_card *card = dev->ml_priv; + struct nlattr *attr, *nested_attr; + bool enable, has_protinfo = false; + int rem1, rem2; + int rc; + + if (!netif_device_present(dev)) + return -ENODEV; + if (!(priv->brport_hw_features)) + return -EOPNOTSUPP; + + nlmsg_for_each_attr(attr, nlh, sizeof(struct ifinfomsg), rem1) { + if (nla_type(attr) == IFLA_PROTINFO) { + rc = nla_parse_nested(bp_tb, IFLA_BRPORT_MAX, attr, + qeth_brport_policy, extack); + if (rc) + return rc; + has_protinfo = true; + } else if (nla_type(attr) == IFLA_AF_SPEC) { + nla_for_each_nested(nested_attr, attr, rem2) { + if (nla_type(nested_attr) == IFLA_BRIDGE_FLAGS) + continue; + NL_SET_ERR_MSG_ATTR(extack, nested_attr, + "Unsupported attribute"); + return -EINVAL; + } + } else { + NL_SET_ERR_MSG_ATTR(extack, attr, "Unsupported attribute"); + return -EINVAL; + } + } + if (!has_protinfo) + return 0; + if (!bp_tb[IFLA_BRPORT_LEARNING_SYNC]) + return -EINVAL; + enable = !!nla_get_u8(bp_tb[IFLA_BRPORT_LEARNING_SYNC]); + + if (enable == !!(priv->brport_features & BR_LEARNING_SYNC)) + return 0; + + mutex_lock(&card->sbp_lock); + /* do not change anything if BridgePort is enabled */ + if (qeth_bridgeport_is_in_use(card)) { + NL_SET_ERR_MSG(extack, "n/a (BridgePort)"); + rc = -EBUSY; + } else if (enable) { + qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); + rc = qeth_l2_dev2br_an_set(card, true); + if (rc) + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + else + priv->brport_features |= BR_LEARNING_SYNC; + } else { + rc = qeth_l2_dev2br_an_set(card, false); + if (!rc) { + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + priv->brport_features ^= BR_LEARNING_SYNC; + qeth_l2_dev2br_fdb_flush(card); + } + } + mutex_unlock(&card->sbp_lock); + + return rc; +} + static const struct net_device_ops qeth_l2_netdev_ops = { .ndo_open = qeth_open, .ndo_stop = qeth_stop, @@ -709,7 +962,9 @@ static const struct net_device_ops qeth_l2_netdev_ops = { .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, .ndo_tx_timeout = qeth_tx_timeout, .ndo_fix_features = qeth_fix_features, - .ndo_set_features = qeth_set_features + .ndo_set_features = qeth_set_features, + .ndo_bridge_getlink = qeth_l2_bridge_getlink, + .ndo_bridge_setlink = qeth_l2_bridge_setlink, }; static const struct net_device_ops qeth_osn_netdev_ops = { @@ -810,8 +1065,78 @@ static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card) if (card->options.sbp.hostnotification) { if (qeth_bridgeport_an_set(card, 1)) card->options.sbp.hostnotification = 0; + } +} + +/** + * qeth_l2_detect_dev2br_support() - + * Detect whether this card supports 'dev to bridge fdb network address + * change notification' and thus can support the learning_sync bridgeport + * attribute + * @card: qeth_card structure pointer + * + * This is a destructive test and must be called before dev2br or + * bridgeport address notification is enabled! + */ +static void qeth_l2_detect_dev2br_support(struct qeth_card *card) +{ + struct qeth_priv *priv = netdev_priv(card->dev); + bool dev2br_supported; + int rc; + + QETH_CARD_TEXT(card, 2, "d2brsup"); + if (!IS_IQD(card)) + return; + + /* dev2br requires valid cssid,iid,chid */ + if (!card->info.ids_valid) { + dev2br_supported = false; + } else if (css_general_characteristics.enarf) { + dev2br_supported = true; } else { - qeth_bridgeport_an_set(card, 0); + /* Old machines don't have the feature bit: + * Probe by testing whether a disable succeeds + */ + rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL); + dev2br_supported = !rc; + } + QETH_CARD_TEXT_(card, 2, "D2Bsup%02x", dev2br_supported); + + if (dev2br_supported) + priv->brport_hw_features |= BR_LEARNING_SYNC; + else + priv->brport_hw_features &= ~BR_LEARNING_SYNC; +} + +static void qeth_l2_enable_brport_features(struct qeth_card *card) +{ + struct qeth_priv *priv = netdev_priv(card->dev); + int rc; + + if (priv->brport_features & BR_LEARNING_SYNC) { + if (priv->brport_hw_features & BR_LEARNING_SYNC) { + qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); + rc = qeth_l2_dev2br_an_set(card, true); + if (rc == -EAGAIN) { + /* Recoverable error, retry once */ + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + qeth_l2_dev2br_fdb_flush(card); + qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO); + rc = qeth_l2_dev2br_an_set(card, true); + } + if (rc) { + netdev_err(card->dev, + "failed to enable bridge learning_sync: %d\n", + rc); + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + qeth_l2_dev2br_fdb_flush(card); + priv->brport_features ^= BR_LEARNING_SYNC; + } + } else { + dev_warn(&card->gdev->dev, + "bridge learning_sync not supported\n"); + priv->brport_features ^= BR_LEARNING_SYNC; + } } } @@ -829,6 +1154,9 @@ static int qeth_l2_set_online(struct qeth_card *card) goto out_remove; } + /* query before bridgeport_notification may be enabled */ + qeth_l2_detect_dev2br_support(card); + mutex_lock(&card->sbp_lock); qeth_bridgeport_query_support(card); if (card->options.sbp.supported_funcs) { @@ -871,6 +1199,7 @@ static int qeth_l2_set_online(struct qeth_card *card) netif_device_attach(dev); qeth_enable_hw_features(dev); + qeth_l2_enable_brport_features(card); if (card->info.open_when_online) { card->info.open_when_online = 0; @@ -1090,15 +1419,14 @@ static void qeth_bridge_emit_host_event(struct qeth_card *card, struct qeth_bridge_state_data { struct work_struct worker; struct qeth_card *card; - struct qeth_sbp_state_change qports; + u8 role; + u8 state; }; static void qeth_bridge_state_change_worker(struct work_struct *work) { struct qeth_bridge_state_data *data = container_of(work, struct qeth_bridge_state_data, worker); - /* We are only interested in the first entry - local port */ - struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; char env_locrem[32]; char env_role[32]; char env_state[32]; @@ -1109,22 +1437,16 @@ static void qeth_bridge_state_change_worker(struct work_struct *work) NULL }; - /* Role should not change by itself, but if it did, */ - /* information from the hardware is authoritative. */ - mutex_lock(&data->card->sbp_lock); - data->card->options.sbp.role = entry->role; - mutex_unlock(&data->card->sbp_lock); - snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); snprintf(env_role, sizeof(env_role), "ROLE=%s", - (entry->role == QETH_SBP_ROLE_NONE) ? "none" : - (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : - (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : + (data->role == QETH_SBP_ROLE_NONE) ? "none" : + (data->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : + (data->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : "<INVALID>"); snprintf(env_state, sizeof(env_state), "STATE=%s", - (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : - (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : - (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : + (data->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : + (data->state == QETH_SBP_STATE_STANDBY) ? "standby" : + (data->state == QETH_SBP_STATE_ACTIVE) ? "active" : "<INVALID>"); kobject_uevent_env(&data->card->gdev->dev.kobj, KOBJ_CHANGE, env); @@ -1134,10 +1456,8 @@ static void qeth_bridge_state_change_worker(struct work_struct *work) static void qeth_bridge_state_change(struct qeth_card *card, struct qeth_ipa_cmd *cmd) { - struct qeth_sbp_state_change *qports = - &cmd->data.sbp.data.state_change; + struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data; struct qeth_bridge_state_data *data; - int extrasize; QETH_CARD_TEXT(card, 2, "brstchng"); if (qports->num_entries == 0) { @@ -1148,34 +1468,125 @@ static void qeth_bridge_state_change(struct qeth_card *card, QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); return; } - extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; - data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, - GFP_ATOMIC); + + data = kzalloc(sizeof(*data), GFP_ATOMIC); if (!data) { QETH_CARD_TEXT(card, 2, "BPSalloc"); return; } INIT_WORK(&data->worker, qeth_bridge_state_change_worker); data->card = card; - memcpy(&data->qports, qports, - sizeof(struct qeth_sbp_state_change) + extrasize); + /* Information for the local port: */ + data->role = qports->entry[0].role; + data->state = qports->entry[0].state; + queue_work(card->event_wq, &data->worker); } struct qeth_addr_change_data { - struct work_struct worker; + struct delayed_work dwork; struct qeth_card *card; struct qeth_ipacmd_addr_change ac_event; }; +static void qeth_l2_dev2br_worker(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct qeth_addr_change_data *data; + struct qeth_card *card; + struct qeth_priv *priv; + unsigned int i; + int rc; + + data = container_of(dwork, struct qeth_addr_change_data, dwork); + card = data->card; + priv = netdev_priv(card->dev); + + QETH_CARD_TEXT(card, 4, "dev2brew"); + + if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE) + goto free; + + /* Potential re-config in progress, try again later: */ + if (!rtnl_trylock()) { + queue_delayed_work(card->event_wq, dwork, + msecs_to_jiffies(100)); + return; + } + if (!netif_device_present(card->dev)) + goto out_unlock; + + if (data->ac_event.lost_event_mask) { + QETH_DBF_MESSAGE(3, + "Address change notification overflow on device %x\n", + CARD_DEVID(card)); + /* Card fdb and bridge fdb are out of sync, card has stopped + * notifications (no need to drain_workqueue). Purge all + * 'extern_learn' entries from the parent bridge and restart + * the notifications. + */ + qeth_l2_dev2br_fdb_flush(card); + rc = qeth_l2_dev2br_an_set(card, true); + if (rc) { + /* TODO: if we want to retry after -EAGAIN, be + * aware there could be stale entries in the + * workqueue now, that need to be drained. + * For now we give up: + */ + netdev_err(card->dev, + "bridge learning_sync failed to recover: %d\n", + rc); + WRITE_ONCE(card->info.pnso_mode, + QETH_PNSO_NONE); + /* To remove fdb entries reported by an_set: */ + qeth_l2_dev2br_fdb_flush(card); + priv->brport_features ^= BR_LEARNING_SYNC; + } else { + QETH_DBF_MESSAGE(3, + "Address Notification resynced on device %x\n", + CARD_DEVID(card)); + } + } else { + for (i = 0; i < data->ac_event.num_entries; i++) { + struct qeth_ipacmd_addr_change_entry *entry = + &data->ac_event.entry[i]; + qeth_l2_dev2br_fdb_notify(card, + entry->change_code, + &entry->token, + &entry->addr_lnid); + } + } + +out_unlock: + rtnl_unlock(); + +free: + kfree(data); +} + static void qeth_addr_change_event_worker(struct work_struct *work) { - struct qeth_addr_change_data *data = - container_of(work, struct qeth_addr_change_data, worker); + struct delayed_work *dwork = to_delayed_work(work); + struct qeth_addr_change_data *data; + struct qeth_card *card; int i; + data = container_of(dwork, struct qeth_addr_change_data, dwork); + card = data->card; + QETH_CARD_TEXT(data->card, 4, "adrchgew"); + + if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE) + goto free; + if (data->ac_event.lost_event_mask) { + /* Potential re-config in progress, try again later: */ + if (!mutex_trylock(&card->sbp_lock)) { + queue_delayed_work(card->event_wq, dwork, + msecs_to_jiffies(100)); + return; + } + dev_info(&data->card->gdev->dev, "Address change notification stopped on %s (%s)\n", data->card->dev->name, @@ -1184,8 +1595,9 @@ static void qeth_addr_change_event_worker(struct work_struct *work) : (data->ac_event.lost_event_mask == 0x02) ? "Bridge port state change" : "Unknown reason"); - mutex_lock(&data->card->sbp_lock); + data->card->options.sbp.hostnotification = 0; + card->info.pnso_mode = QETH_PNSO_NONE; mutex_unlock(&data->card->sbp_lock); qeth_bridge_emit_host_event(data->card, anev_abort, 0, NULL, NULL); @@ -1199,6 +1611,8 @@ static void qeth_addr_change_event_worker(struct work_struct *work) &entry->token, &entry->addr_lnid); } + +free: kfree(data); } @@ -1210,6 +1624,9 @@ static void qeth_addr_change_event(struct qeth_card *card, struct qeth_addr_change_data *data; int extrasize; + if (card->info.pnso_mode == QETH_PNSO_NONE) + return; + QETH_CARD_TEXT(card, 4, "adrchgev"); if (cmd->hdr.return_code != 0x0000) { if (cmd->hdr.return_code == 0x0010) { @@ -1229,11 +1646,14 @@ static void qeth_addr_change_event(struct qeth_card *card, QETH_CARD_TEXT(card, 2, "ACNalloc"); return; } - INIT_WORK(&data->worker, qeth_addr_change_event_worker); + if (card->info.pnso_mode == QETH_PNSO_BRIDGEPORT) + INIT_DELAYED_WORK(&data->dwork, qeth_addr_change_event_worker); + else + INIT_DELAYED_WORK(&data->dwork, qeth_l2_dev2br_worker); data->card = card; memcpy(&data->ac_event, hostevs, sizeof(struct qeth_ipacmd_addr_change) + extrasize); - queue_work(card->event_wq, &data->worker); + queue_delayed_work(card->event_wq, &data->dwork, 0); } /* SETBRIDGEPORT support; sending commands */ @@ -1418,8 +1838,8 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; - struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; + struct qeth_sbp_port_data *qports; int rc; QETH_CARD_TEXT(card, 2, "brqprtcb"); @@ -1427,6 +1847,7 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, if (rc) return rc; + qports = &cmd->data.sbp.data.port_data; if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); return -EINVAL; @@ -1554,9 +1975,15 @@ int qeth_bridgeport_an_set(struct qeth_card *card, int enable) if (enable) { qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); - rc = qeth_l2_pnso(card, 1, qeth_bridgeport_an_set_cb, card); - } else - rc = qeth_l2_pnso(card, 0, NULL, NULL); + qeth_l2_set_pnso_mode(card, QETH_PNSO_BRIDGEPORT); + rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 1, + qeth_bridgeport_an_set_cb, card); + if (rc) + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + } else { + rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 0, NULL, NULL); + qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE); + } return rc; } @@ -1851,7 +2278,7 @@ int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout) } /* check if VNICC is currently enabled */ -bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) +static bool _qeth_l2_vnicc_is_in_use(struct qeth_card *card) { if (!card->options.vnicc.sup_chars) return false; @@ -1866,6 +2293,21 @@ bool qeth_l2_vnicc_is_in_use(struct qeth_card *card) return true; } +/** + * qeth_bridgeport_allowed - are any qeth_bridgeport functions allowed? + * @card: qeth_card structure pointer + * + * qeth_bridgeport functionality is mutually exclusive with usage of the + * VNIC Characteristics and dev2br address notifications + */ +bool qeth_bridgeport_allowed(struct qeth_card *card) +{ + struct qeth_priv *priv = netdev_priv(card->dev); + + return (!_qeth_l2_vnicc_is_in_use(card) && + !(priv->brport_features & BR_LEARNING_SYNC)); +} + /* recover user timeout setting */ static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc, u32 *timeout) |