Commit 64bb336c authored by Casey Leedom's avatar Casey Leedom Committed by David S. Miller
Browse files

cxgb4vf: Remove obsolete comment about the lack of a TX Timer Callback 



Remove obsolete comment about the lack of a TX Timer Callback -- which
we now _do_ have ...

Signed-off-by: default avatarCasey Leedom <leedom@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d6bebca9

drivers/net/cxgb4vf/sge.c

+1 −12
Original line number Diff line number Diff line
@@ -1301,18 +1301,7 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) 
		 * wait for acks to really free up the data the extra memory

		 * is even less.  On the positive side we run the destructors

		 * on the sending CPU rather than on a potentially different

		 * completing CPU, usually a good thing.  We also run them

		 * without holding our TX queue lock, unlike what

		 * reclaim_completed_tx() would otherwise do.

		 *

		 * XXX Actually the above is somewhat incorrect since we don't

		 * XXX yet have a periodic timer which reclaims TX Descriptors.

		 * XXX What's our plan for this?

		 * XXX

		 * XXX Also, we don't currently have a TX Queue lock but

		 * XXX that may be the result of not having any current

		 * XXX asynchronous path for reclaiming completed TX

		 * XXX Descriptors ...

		 * completing CPU, usually a good thing.

		 *

		 * Run the destructor before telling the DMA engine about the

		 * packet to make sure it doesn't complete and get freed