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[NET]: Remove obsolete netif_rx congestion sensing mechanism.

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Remove the congestion sensing mechanism from netif_rx, and always
return either full or empty.  Almost no driver checks the return value
from netif_rx, and those that do only use it for debug messages.

The original design of netif_rx was to do flow control based on the
receive queue, but NAPI has supplanted this and no driver uses the
feedback.

Signed-off-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Stephen Hemminger 2005-06-23 20:10:00 -07:00 • committed by David S. Miller
commit 34008d8c63
3 changed files with 1 additions and 125 deletions
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2
include/linux/netdevice.h
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@ -558,8 +558,6 @@ static inline int unregister_gifconf(unsigned int family)
struct softnet_data
{
int throttle;
int cng_level;
int avg_blog;
struct sk_buff_head input_pkt_queue;
struct list_head poll_list;
struct net_device *output_queue;