diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_cm.c | 21 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_ib.c | 27 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 51 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 33 |
6 files changed, 90 insertions, 46 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index ff50a7bd66d8..7ac25059c40f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -336,6 +336,7 @@ struct ipoib_dev_priv { unsigned long flags; struct rw_semaphore vlan_rwsem; + struct mutex mcast_mutex; struct rb_root path_tree; struct list_head path_list; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 7cbcfdac6529..d69410c2ed97 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -39,6 +39,7 @@ #include <linux/vmalloc.h> #include <linux/moduleparam.h> #include <linux/sched/signal.h> +#include <linux/sched/mm.h> #include "ipoib.h" @@ -510,7 +511,6 @@ static int ipoib_cm_rx_handler(struct ib_cm_id *cm_id, case IB_CM_REQ_RECEIVED: return ipoib_cm_req_handler(cm_id, event); case IB_CM_DREQ_RECEIVED: - p = cm_id->context; ib_send_cm_drep(cm_id, NULL, 0); /* Fall through */ case IB_CM_REJ_RECEIVED: @@ -954,7 +954,7 @@ void ipoib_cm_dev_stop(struct net_device *dev) break; } spin_unlock_irq(&priv->lock); - msleep(1); + usleep_range(1000, 2000); ipoib_drain_cq(dev); spin_lock_irq(&priv->lock); } @@ -1047,9 +1047,8 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ .sq_sig_type = IB_SIGNAL_ALL_WR, .qp_type = IB_QPT_RC, .qp_context = tx, - .create_flags = IB_QP_CREATE_USE_GFP_NOIO + .create_flags = 0 }; - struct ib_qp *tx_qp; if (dev->features & NETIF_F_SG) @@ -1057,10 +1056,6 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ min_t(u32, priv->ca->attrs.max_sge, MAX_SKB_FRAGS + 1); tx_qp = ib_create_qp(priv->pd, &attr); - if (PTR_ERR(tx_qp) == -EINVAL) { - attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO; - tx_qp = ib_create_qp(priv->pd, &attr); - } tx->max_send_sge = attr.cap.max_send_sge; return tx_qp; } @@ -1131,10 +1126,11 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, struct sa_path_rec *pathrec) { struct ipoib_dev_priv *priv = ipoib_priv(p->dev); + unsigned int noio_flag; int ret; - p->tx_ring = __vmalloc(ipoib_sendq_size * sizeof *p->tx_ring, - GFP_NOIO, PAGE_KERNEL); + noio_flag = memalloc_noio_save(); + p->tx_ring = vzalloc(ipoib_sendq_size * sizeof(*p->tx_ring)); if (!p->tx_ring) { ret = -ENOMEM; goto err_tx; @@ -1142,9 +1138,10 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring); p->qp = ipoib_cm_create_tx_qp(p->dev, p); + memalloc_noio_restore(noio_flag); if (IS_ERR(p->qp)) { ret = PTR_ERR(p->qp); - ipoib_warn(priv, "failed to allocate tx qp: %d\n", ret); + ipoib_warn(priv, "failed to create tx qp: %d\n", ret); goto err_qp; } @@ -1206,7 +1203,7 @@ static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p) goto timeout; } - msleep(1); + usleep_range(1000, 2000); } } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c index 7871379342f4..184a22f48027 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c @@ -52,7 +52,8 @@ static const struct ipoib_stats ipoib_gstrings_stats[] = { IPOIB_NETDEV_STAT(tx_bytes), IPOIB_NETDEV_STAT(tx_errors), IPOIB_NETDEV_STAT(rx_dropped), - IPOIB_NETDEV_STAT(tx_dropped) + IPOIB_NETDEV_STAT(tx_dropped), + IPOIB_NETDEV_STAT(multicast), }; #define IPOIB_GLOBAL_STATS_LEN ARRAY_SIZE(ipoib_gstrings_stats) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index efe7402f4885..2e075377242e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -256,6 +256,8 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) ++dev->stats.rx_packets; dev->stats.rx_bytes += skb->len; + if (skb->pkt_type == PACKET_MULTICAST) + dev->stats.multicast++; skb->dev = dev; if ((dev->features & NETIF_F_RXCSUM) && @@ -709,6 +711,27 @@ static int recvs_pending(struct net_device *dev) return pending; } +static void check_qp_movement_and_print(struct ipoib_dev_priv *priv, + struct ib_qp *qp, + enum ib_qp_state new_state) +{ + struct ib_qp_attr qp_attr; + struct ib_qp_init_attr query_init_attr; + int ret; + + ret = ib_query_qp(qp, &qp_attr, IB_QP_STATE, &query_init_attr); + if (ret) { + ipoib_warn(priv, "%s: Failed to query QP\n", __func__); + return; + } + /* print according to the new-state and the previous state.*/ + if (new_state == IB_QPS_ERR && qp_attr.qp_state == IB_QPS_RESET) + ipoib_dbg(priv, "Failed modify QP, IB_QPS_RESET to IB_QPS_ERR, acceptable\n"); + else + ipoib_warn(priv, "Failed to modify QP to state: %d from state: %d\n", + new_state, qp_attr.qp_state); +} + int ipoib_ib_dev_stop_default(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); @@ -728,7 +751,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev) */ qp_attr.qp_state = IB_QPS_ERR; if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE)) - ipoib_warn(priv, "Failed to modify QP to ERROR state\n"); + check_qp_movement_and_print(priv, priv->qp, IB_QPS_ERR); /* Wait for all sends and receives to complete */ begin = jiffies; @@ -770,7 +793,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev) ipoib_drain_cq(dev); - msleep(1); + usleep_range(1000, 2000); } ipoib_dbg(priv, "All sends and receives done.\n"); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 6e86eeee370e..6c77df34869d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -233,6 +233,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu static int ipoib_change_mtu(struct net_device *dev, int new_mtu) { struct ipoib_dev_priv *priv = ipoib_priv(dev); + int ret = 0; /* dev->mtu > 2K ==> connected mode */ if (ipoib_cm_admin_enabled(dev)) { @@ -256,9 +257,34 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) ipoib_dbg(priv, "MTU must be smaller than the underlying " "link layer MTU - 4 (%u)\n", priv->mcast_mtu); - dev->mtu = min(priv->mcast_mtu, priv->admin_mtu); + new_mtu = min(priv->mcast_mtu, priv->admin_mtu); - return 0; + if (priv->rn_ops->ndo_change_mtu) { + bool carrier_status = netif_carrier_ok(dev); + + netif_carrier_off(dev); + + /* notify lower level on the real mtu */ + ret = priv->rn_ops->ndo_change_mtu(dev, new_mtu); + + if (carrier_status) + netif_carrier_on(dev); + } else { + dev->mtu = new_mtu; + } + + return ret; +} + +static void ipoib_get_stats(struct net_device *dev, + struct rtnl_link_stats64 *stats) +{ + struct ipoib_dev_priv *priv = ipoib_priv(dev); + + if (priv->rn_ops->ndo_get_stats64) + priv->rn_ops->ndo_get_stats64(dev, stats); + else + netdev_stats_to_stats64(stats, &dev->stats); } /* Called with an RCU read lock taken */ @@ -1534,6 +1560,7 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv) int i, wait_flushed = 0; init_completion(&priv->ntbl.flushed); + set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); spin_lock_irqsave(&priv->lock, flags); @@ -1578,7 +1605,6 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n"); init_completion(&priv->ntbl.deleted); - set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); /* Stop GC if called at init fail need to cancel work */ stopped = test_and_set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags); @@ -1808,6 +1834,7 @@ static const struct net_device_ops ipoib_netdev_ops_pf = { .ndo_get_vf_stats = ipoib_get_vf_stats, .ndo_set_vf_guid = ipoib_set_vf_guid, .ndo_set_mac_address = ipoib_set_mac, + .ndo_get_stats64 = ipoib_get_stats, }; static const struct net_device_ops ipoib_netdev_ops_vf = { @@ -1820,6 +1847,7 @@ static const struct net_device_ops ipoib_netdev_ops_vf = { .ndo_tx_timeout = ipoib_timeout, .ndo_set_rx_mode = ipoib_set_mcast_list, .ndo_get_iflink = ipoib_get_iflink, + .ndo_get_stats64 = ipoib_get_stats, }; void ipoib_setup_common(struct net_device *dev) @@ -1850,6 +1878,7 @@ static void ipoib_build_priv(struct net_device *dev) priv->dev = dev; spin_lock_init(&priv->lock); init_rwsem(&priv->vlan_rwsem); + mutex_init(&priv->mcast_mutex); INIT_LIST_HEAD(&priv->path_list); INIT_LIST_HEAD(&priv->child_intfs); @@ -2146,14 +2175,14 @@ static struct net_device *ipoib_add_port(const char *format, priv->dev->dev_id = port - 1; result = ib_query_port(hca, port, &attr); - if (!result) - priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); - else { + if (result) { printk(KERN_WARNING "%s: ib_query_port %d failed\n", hca->name, port); goto device_init_failed; } + priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); + /* MTU will be reset when mcast join happens */ priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu); priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu; @@ -2184,12 +2213,14 @@ static struct net_device *ipoib_add_port(const char *format, printk(KERN_WARNING "%s: ib_query_gid port %d failed (ret = %d)\n", hca->name, port, result); goto device_init_failed; - } else - memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid)); + } + + memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, + sizeof(union ib_gid)); set_bit(IPOIB_FLAG_DEV_ADDR_SET, &priv->flags); result = ipoib_dev_init(priv->dev, hca, port); - if (result < 0) { + if (result) { printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n", hca->name, port, result); goto device_init_failed; @@ -2212,6 +2243,7 @@ static struct net_device *ipoib_add_port(const char *format, goto register_failed; } + result = -ENOMEM; if (ipoib_cm_add_mode_attr(priv->dev)) goto sysfs_failed; if (ipoib_add_pkey_attr(priv->dev)) @@ -2337,6 +2369,7 @@ static int __init ipoib_init_module(void) ipoib_sendq_size = max3(ipoib_sendq_size, 2 * MAX_SEND_CQE, IPOIB_MIN_QUEUE_SIZE); #ifdef CONFIG_INFINIBAND_IPOIB_CM ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP); + ipoib_max_conn_qp = max(ipoib_max_conn_qp, 0); #endif /* diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 057f58e6afca..93e149efc1f5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -684,15 +684,10 @@ void ipoib_mcast_start_thread(struct net_device *dev) int ipoib_mcast_stop_thread(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); - unsigned long flags; ipoib_dbg_mcast(priv, "stopping multicast thread\n"); - spin_lock_irqsave(&priv->lock, flags); - cancel_delayed_work(&priv->mcast_task); - spin_unlock_irqrestore(&priv->lock, flags); - - flush_workqueue(priv->wq); + cancel_delayed_work_sync(&priv->mcast_task); return 0; } @@ -748,6 +743,14 @@ void ipoib_mcast_remove_list(struct list_head *remove_list) { struct ipoib_mcast *mcast, *tmcast; + /* + * make sure the in-flight joins have finished before we attempt + * to leave + */ + list_for_each_entry_safe(mcast, tmcast, remove_list, list) + if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) + wait_for_completion(&mcast->done); + list_for_each_entry_safe(mcast, tmcast, remove_list, list) { ipoib_mcast_leave(mcast->dev, mcast); ipoib_mcast_free(mcast); @@ -838,6 +841,7 @@ void ipoib_mcast_dev_flush(struct net_device *dev) struct ipoib_mcast *mcast, *tmcast; unsigned long flags; + mutex_lock(&priv->mcast_mutex); ipoib_dbg_mcast(priv, "flushing multicast list\n"); spin_lock_irqsave(&priv->lock, flags); @@ -856,15 +860,8 @@ void ipoib_mcast_dev_flush(struct net_device *dev) spin_unlock_irqrestore(&priv->lock, flags); - /* - * make sure the in-flight joins have finished before we attempt - * to leave - */ - list_for_each_entry_safe(mcast, tmcast, &remove_list, list) - if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) - wait_for_completion(&mcast->done); - ipoib_mcast_remove_list(&remove_list); + mutex_unlock(&priv->mcast_mutex); } static int ipoib_mcast_addr_is_valid(const u8 *addr, const u8 *broadcast) @@ -982,14 +979,6 @@ void ipoib_mcast_restart_task(struct work_struct *work) netif_addr_unlock(dev); local_irq_restore(flags); - /* - * make sure the in-flight joins have finished before we attempt - * to leave - */ - list_for_each_entry_safe(mcast, tmcast, &remove_list, list) - if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) - wait_for_completion(&mcast->done); - ipoib_mcast_remove_list(&remove_list); /* |