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authorEric Dumazet <dada1@cosmosbay.com>2009-05-01 09:05:06 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-01 09:05:06 -0700
commitec581f6a42bbbea5271c66da9769a41b46c74e10 (patch)
tree608636f6519789f3504fd4d0077568cc25d89b5a /include
parent7a67e56fd362d3edfde1f19170893508c3940d3a (diff)
net: Fix skb_tx_hash() for forwarding workloads.
When skb_rx_queue_recorded() is true, we dont want to use jash distribution as the device driver exactly told us which queue was selected at RX time. jhash makes a statistical shuffle, but this wont work with 8 static inputs. Later improvements would be to compute reciprocal value of real_num_tx_queues to avoid a divide here. But this computation should be done once, when real_num_tx_queues is set. This needs a separate patch, and a new field in struct net_device. Reported-by: Andrew Dickinson <andrew@whydna.net> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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