On Sun, Jul 22, 2007 at 02:36:49PM +0530, Krishna Kumar ([EMAIL PROTECTED])
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
-
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