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[NET]: Separate two usages of netdev_max_backlog.

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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>
This commit is contained in:
Stephen Hemminger
2005-06-23 20:14:40 -07:00
committed by David S. Miller
parent 31aa02c53c
commit 51b0bdedb8
3 changed files with 13 additions and 3 deletions
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6
net/core/dev.c
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@@ -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();