[openib-general] [PATCH] ipoib: tx ring overrun
Michael S. Tsirkin
mst at mellanox.co.il
Tue Jan 10 11:29:57 PST 2006
Quoting Grant Grundler <iod00d at hp.com>:
> On Tue, Jan 10, 2006 at 08:55:15PM +0200, Michael S. Tsirkin wrote:
> > Dont try to post more send work requests if the TX ring is full.
> > Setting netif_stop_queue is insufficient: linux can still land
> > a tx packet on us.
...
> > + if (unlikely(priv->tx_head - priv->tx_tail == IPOIB_TX_RING_SIZE)) {
> > + ipoib_dbg(priv, "TX ring full, dropping packet\n");
> > + ++priv->stats.tx_errors;
>
> Could this be tx_dropped?
I dont know. Roland?
--
MST
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