From: Evgeniy Polyakov <johnpol@2ka•mipt.ru>
To: Krishna Kumar <krkumar2@in•ibm.com>
Cc: jagana@us•ibm.com, Robert.Olsson@data•slu.se,
peter.p.waskiewicz.jr@intel•com, herbert@gondor•apana.org.au,
gaagaan@gmail•com, kumarkr@linux•ibm.com, rdreier@cisco•com,
mcarlson@broadcom•com, kaber@trash•net, jeff@garzik•org,
general@lists•openfabrics.org, netdev@vger•kernel.org,
tgraf@suug•ch, hadi@cyberus•ca, davem@davemloft•net,
mchan@broadcom•com, sri@us•ibm.com
Subject: [ofa-general] Re: [PATCH 11/12 -Rev2] IPoIB xmit API addition
Date: Mon, 23 Jul 2007 14:48:26 +0400 [thread overview]
Message-ID: <20070723104826.GD22877@2ka.mipt.ru> (raw)
In-Reply-To: <20070722090649.7787.47960.sendpatchset@K50wks273871wss.in.ibm.com>
On Sun, Jul 22, 2007 at 02:36:49PM +0530, Krishna Kumar (krkumar2@in•ibm.com) wrote:
> diff -ruNp org/drivers/infiniband/ulp/ipoib/ipoib_ib.c rev2/drivers/infiniband/ulp/ipoib/ipoib_ib.c
> --- org/drivers/infiniband/ulp/ipoib/ipoib_ib.c 2007-07-20 07:49:28.000000000 +0530
> +++ rev2/drivers/infiniband/ulp/ipoib/ipoib_ib.c 2007-07-22 00:08:37.000000000 +0530
> @@ -242,8 +242,9 @@ repost:
> static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
> {
> struct ipoib_dev_priv *priv = netdev_priv(dev);
> + int i = 0, num_completions;
> + int tx_ring_index = priv->tx_tail & (ipoib_sendq_size - 1);
> unsigned int wr_id = wc->wr_id;
> - struct ipoib_tx_buf *tx_req;
> unsigned long flags;
>
> ipoib_dbg_data(priv, "send completion: id %d, status: %d\n",
> @@ -255,23 +256,57 @@ static void ipoib_ib_handle_tx_wc(struct
> return;
> }
>
> - tx_req = &priv->tx_ring[wr_id];
> + num_completions = wr_id - tx_ring_index + 1;
> + if (num_completions <= 0)
> + num_completions += ipoib_sendq_size;
Can this still be less than zero?
--
Evgeniy Polyakov
next prev parent reply other threads:[~2007-07-23 10:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-22 9:04 [PATCH 00/12 -Rev2] Implement batching skb API Krishna Kumar
2007-07-22 9:05 ` [ofa-general] [PATCH 01/12 -Rev2] HOWTO documentation for Batching SKB Krishna Kumar
2007-07-22 9:05 ` [PATCH 02/12 -Rev2] Changes to netdevice.h Krishna Kumar
2007-07-22 17:06 ` [ofa-general] " Patrick McHardy
2007-07-23 2:57 ` Krishna Kumar2
2007-07-22 9:05 ` [ofa-general] [PATCH 03/12 -Rev2] dev.c changes Krishna Kumar
2007-07-23 10:44 ` [ofa-general] " Evgeniy Polyakov
2007-07-23 11:17 ` Krishna Kumar2
2007-07-22 9:05 ` [ofa-general] [PATCH 04/12 -Rev2] Ethtool changes Krishna Kumar
2007-07-22 9:05 ` [ofa-general] [PATCH 05/12 -Rev2] sysfs changes Krishna Kumar
2007-07-22 9:05 ` [ofa-general] [PATCH 06/12 -Rev2] rtnetlink changes Krishna Kumar
2007-07-22 17:10 ` Patrick McHardy
2007-07-23 2:54 ` [ofa-general] " Krishna Kumar2
2007-07-22 9:06 ` [ofa-general] [PATCH 07/12 -Rev2] Change qdisc_run & qdisc_restart API, callers Krishna Kumar
2007-07-22 9:06 ` [ofa-general] [PATCH 08/12 -Rev2] IPoIB include file changes Krishna Kumar
2007-07-22 9:06 ` [ofa-general] [PATCH 09/12 -Rev2] IPoIB verbs changes Krishna Kumar
2007-07-22 9:06 ` [ofa-general] [PATCH 10/12 -Rev2] IPoIB multicast, CM changes Krishna Kumar
2007-07-22 9:06 ` [ofa-general] [PATCH 11/12 -Rev2] IPoIB xmit API addition Krishna Kumar
2007-07-22 9:41 ` Michael S. Tsirkin
2007-07-23 2:53 ` [ofa-general] " Krishna Kumar2
2007-07-23 10:48 ` Evgeniy Polyakov [this message]
2007-07-23 11:17 ` Krishna Kumar2
2007-07-22 9:06 ` [ofa-general] [PATCH 12/12 -Rev2] IPoIB xmit internals changes (ipoib_ib.c) Krishna Kumar
2007-07-23 9:53 ` [PATCH 00/12 -Rev2] Implement batching skb API Krishna Kumar2
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