From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932303AbWAWQDJ (ORCPT ); Mon, 23 Jan 2006 11:03:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932305AbWAWQDJ (ORCPT ); Mon, 23 Jan 2006 11:03:09 -0500 Received: from sj-iport-4.cisco.com ([171.68.10.86]:8462 "EHLO sj-iport-4.cisco.com") by vger.kernel.org with ESMTP id S932303AbWAWQDI (ORCPT ); Mon, 23 Jan 2006 11:03:08 -0500 X-IronPort-AV: i="4.01,212,1136188800"; d="scan'208"; a="1769163136:sNHT34096916" To: torvalds@osdl.org Cc: linux-kernel@vger.kernel.org, openib-general@openib.org Subject: [git pull] InfiniBand fixes for 2.6.16 X-Message-Flag: Warning: May contain useful information From: Roland Dreier Date: Mon, 23 Jan 2006 08:03:03 -0800 Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) XEmacs/21.4.17 (Jumbo Shrimp, linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 X-OriginalArrivalTime: 23 Jan 2006 16:03:05.0229 (UTC) FILETIME=[7EADF3D0:01C62036] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Linus, please pull from master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus This tree is also available from kernel.org mirrors at: git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git for-linus The pull will get the following changes: Michael S. Tsirkin: IPoIB: Make sure path is fully initialized before using it IB/uverbs: Flush scheduled work before unloading module IB/sa_query: Flush scheduled work before unloading module IPoIB: Lock accesses to multicast packet queues IB/mthca: Use correct GID in MADs sent on port 2 drivers/infiniband/core/sa_query.c | 2 ++ drivers/infiniband/core/uverbs_main.c | 1 + drivers/infiniband/hw/mthca/mthca_av.c | 2 +- drivers/infiniband/ulp/ipoib/ipoib_main.c | 4 ++-- drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 25 +++++++++++++++++++++--- 5 files changed, 28 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index acda7d6..501cc05 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -956,6 +956,8 @@ static void ib_sa_remove_one(struct ib_d ib_unregister_event_handler(&sa_dev->event_handler); + flush_scheduled_work(); + for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) { ib_unregister_mad_agent(sa_dev->port[i].agent); kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah); diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 96ea79b..903f85a 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -902,6 +902,7 @@ static void __exit ib_uverbs_cleanup(voi unregister_filesystem(&uverbs_event_fs); class_destroy(uverbs_class); unregister_chrdev_region(IB_UVERBS_BASE_DEV, IB_UVERBS_MAX_DEVICES); + flush_scheduled_work(); idr_destroy(&ib_uverbs_pd_idr); idr_destroy(&ib_uverbs_mr_idr); idr_destroy(&ib_uverbs_mw_idr); diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c index a14eed0..a19e0ed 100644 --- a/drivers/infiniband/hw/mthca/mthca_av.c +++ b/drivers/infiniband/hw/mthca/mthca_av.c @@ -184,7 +184,7 @@ int mthca_read_ah(struct mthca_dev *dev, ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff); ib_get_cached_gid(&dev->ib_dev, be32_to_cpu(ah->av->port_pd) >> 24, - ah->av->gid_index, + ah->av->gid_index % dev->limits.gid_table_len, &header->grh.source_gid); memcpy(header->grh.destination_gid.raw, ah->av->dgid, 16); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index fd3f5c8..c3b5f79 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -505,7 +505,7 @@ static void neigh_add_path(struct sk_buf list_add_tail(&neigh->list, &path->neigh_list); - if (path->pathrec.dlid) { + if (path->ah) { kref_get(&path->ah->ref); neigh->ah = path->ah; @@ -591,7 +591,7 @@ static void unicast_arp_send(struct sk_b return; } - if (path->pathrec.dlid) { + if (path->ah) { ipoib_dbg(priv, "Send unicast ARP to %04x\n", be16_to_cpu(path->pathrec.dlid)); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 98039da..ccaa0c3 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -97,6 +97,7 @@ static void ipoib_mcast_free(struct ipoi struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_neigh *neigh, *tmp; unsigned long flags; + int tx_dropped = 0; ipoib_dbg_mcast(netdev_priv(dev), "deleting multicast group " IPOIB_GID_FMT "\n", @@ -123,8 +124,14 @@ static void ipoib_mcast_free(struct ipoi if (mcast->ah) ipoib_put_ah(mcast->ah); - while (!skb_queue_empty(&mcast->pkt_queue)) + while (!skb_queue_empty(&mcast->pkt_queue)) { + ++tx_dropped; dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue)); + } + + spin_lock_irqsave(&priv->tx_lock, flags); + priv->stats.tx_dropped += tx_dropped; + spin_unlock_irqrestore(&priv->tx_lock, flags); kfree(mcast); } @@ -276,8 +283,10 @@ static int ipoib_mcast_join_finish(struc } /* actually send any queued packets */ + spin_lock_irq(&priv->tx_lock); while (!skb_queue_empty(&mcast->pkt_queue)) { struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue); + spin_unlock_irq(&priv->tx_lock); skb->dev = dev; @@ -288,7 +297,9 @@ static int ipoib_mcast_join_finish(struc if (dev_queue_xmit(skb)) ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n"); + spin_lock_irq(&priv->tx_lock); } + spin_unlock_irq(&priv->tx_lock); return 0; } @@ -300,6 +311,7 @@ ipoib_mcast_sendonly_join_complete(int s { struct ipoib_mcast *mcast = mcast_ptr; struct net_device *dev = mcast->dev; + struct ipoib_dev_priv *priv = netdev_priv(dev); if (!status) ipoib_mcast_join_finish(mcast, mcmember); @@ -310,8 +322,12 @@ ipoib_mcast_sendonly_join_complete(int s IPOIB_GID_ARG(mcast->mcmember.mgid), status); /* Flush out any queued packets */ - while (!skb_queue_empty(&mcast->pkt_queue)) + spin_lock_irq(&priv->tx_lock); + while (!skb_queue_empty(&mcast->pkt_queue)) { + ++priv->stats.tx_dropped; dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue)); + } + spin_unlock_irq(&priv->tx_lock); /* Clear the busy flag so we try again */ clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags); @@ -687,6 +703,7 @@ void ipoib_mcast_send(struct net_device if (!mcast) { ipoib_warn(priv, "unable to allocate memory for " "multicast structure\n"); + ++priv->stats.tx_dropped; dev_kfree_skb_any(skb); goto out; } @@ -700,8 +717,10 @@ void ipoib_mcast_send(struct net_device if (!mcast->ah) { if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE) skb_queue_tail(&mcast->pkt_queue, skb); - else + else { + ++priv->stats.tx_dropped; dev_kfree_skb_any(skb); + } if (mcast->query) ipoib_dbg_mcast(priv, "no address vector, "