[NET]: Separate two usages of netdev_max_backlog.

Separate out the two uses of netdev_max_backlog. One controls the
upper bound on packets processed per softirq, the new name for this is
netdev_budget; the other controls the limit on packets queued via
netif_rx.

Increase the max_backlog default to account for faster processors.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 1a64508e527f..7016e0c36b3d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1346,7 +1346,8 @@ out:
                         Receiver routines
   =======================================================================*/
 
-int netdev_max_backlog = 300;
+int netdev_max_backlog = 1000;
+int netdev_budget = 300;
 int weight_p = 64;            /* old backlog weight */
 
 DEFINE_PER_CPU(struct netif_rx_stats, netdev_rx_stat) = { 0, };
@@ -1695,8 +1696,7 @@ static void net_rx_action(struct softirq_action *h)
 {
         struct softnet_data *queue = &__get_cpu_var(softnet_data);
         unsigned long start_time = jiffies;
-        int budget = netdev_max_backlog;
-
+        int budget = netdev_budget;
         
         local_irq_disable();