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net: Add queue state xoff flag for stack

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Create separate queue state flags so that either the stack or drivers
can turn on XOFF.  Added a set of functions used in the stack to determine
if a queue is really stopped (either by stack or driver)

Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2011-11-28 16:32:44 +00:00
committed by David S. Miller
parent 75957ba36c
commit 7346649826
7 changed files with 46 additions and 25 deletions
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2
net/core/pktgen.c
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@@ -3342,7 +3342,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
__netif_tx_lock_bh(txq);
if (unlikely(netif_tx_queue_frozen_or_stopped(txq))) {
if (unlikely(netif_xmit_frozen_or_stopped(txq))) {
ret = NETDEV_TX_BUSY;
pkt_dev->last_ok = 0;
goto unlock;