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Commit fdd8a532 authored by Peter P Waskiewicz Jr's avatar Peter P Waskiewicz Jr Committed by David S. Miller
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[NET] DOC: Update networking/multiqueue.txt with correct information. 



Updated the multiqueue.txt document to call out the correct kernel
options to select to enable multiqueue.

Signed-off-by: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9e3be4b3

Documentation/networking/multiqueue.txt

+7 −3
Original line number Original line Diff line number Diff line
@@ -58,9 +58,13 @@ software, so it's a straight round-robin qdisc. It uses the same syntax and 
classification priomap that sch_prio uses, so it should be intuitive to

classification priomap that sch_prio uses, so it should be intuitive to

configure for people who've used sch_prio.

configure for people who've used sch_prio.





The PRIO qdisc naturally plugs into a multiqueue device.  If PRIO has been

In order to utilitize the multiqueue features of the qdiscs, the network

built with NET_SCH_PRIO_MQ, then upon load, it will make sure the number of

device layer needs to enable multiple queue support.  This can be done by

bands requested is equal to the number of queues on the hardware.  If they

selecting NETDEVICES_MULTIQUEUE under Drivers.



The PRIO qdisc naturally plugs into a multiqueue device.  If

NETDEVICES_MULTIQUEUE is selected, then on qdisc load, the number of

bands requested is compared to the number of queues on the hardware.  If they

are equal, it sets a one-to-one mapping up between the queues and bands.  If

are equal, it sets a one-to-one mapping up between the queues and bands.  If

they're not equal, it will not load the qdisc.  This is the same behavior

they're not equal, it will not load the qdisc.  This is the same behavior

for RR.  Once the association is made, any skb that is classified will have

for RR.  Once the association is made, any skb that is classified will have