net: Add queue state xoff flag for stack

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 1a7d8e2c9768..0d38808a2305 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -76,7 +76,7 @@ static void queue_process(struct work_struct *work)
 
                 local_irq_save(flags);
                 __netif_tx_lock(txq, smp_processor_id());
-                if (netif_tx_queue_frozen_or_stopped(txq) ||
+                if (netif_xmit_frozen_or_stopped(txq) ||
                     ops->ndo_start_xmit(skb, dev) != NETDEV_TX_OK) {
                         skb_queue_head(&npinfo->txq, skb);
                         __netif_tx_unlock(txq);
@@ -317,7 +317,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
                 for (tries = jiffies_to_usecs(1)/USEC_PER_POLL;
                      tries > 0; --tries) {
                         if (__netif_tx_trylock(txq)) {
-                                if (!netif_tx_queue_stopped(txq)) {
+                                if (!netif_xmit_stopped(txq)) {
                                         status = ops->ndo_start_xmit(skb, dev);
                                         if (status == NETDEV_TX_OK)
                                                 txq_trans_update(txq);