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2018-09-25net: sched: rename qdisc_destroy() to qdisc_put()Vlad Buslov1-1/+1
Current implementation of qdisc_destroy() decrements Qdisc reference counter and only actually destroy Qdisc if reference counter value reached zero. Rename qdisc_destroy() to qdisc_put() in order for it to better describe the way in which this function currently implemented and used. Extract code that deallocates Qdisc into new private qdisc_destroy() function. It is intended to be shared between regular qdisc_put() and its unlocked version that is introduced in next patch in this series. Signed-off-by: Vlad Buslov <[email protected]> Acked-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2018-07-26cbs: Add support for the graft functionVinicius Costa Gomes1-9/+125
This will allow to install a child qdisc under cbs. The main use case is to install ETF (Earliest TxTime First) qdisc under cbs, so there's another level of control for time-sensitive traffic. Signed-off-by: Vinicius Costa Gomes <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-12-21net: sch: sch_cbs: add extack supportAlexander Aring1-7/+16
This patch adds extack support for the cbs qdisc implementation by adding NL_SET_ERR_MSG in validation of user input. Also it serves to illustrate a use case of how the infrastructure ops api changes are to be used by individual qdiscs. Cc: David Ahern <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: Alexander Aring <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-12-21net: sched: sch: add extack for change qdisc opsAlexander Aring1-2/+3
This patch adds extack support for change callback for qdisc ops structtur to prepare per-qdisc specific changes for extack. Cc: David Ahern <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: Alexander Aring <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-12-21net: sched: sch: add extack for init callbackAlexander Aring1-1/+2
This patch adds extack support for init callback to prepare per-qdisc specific changes for extack. Cc: David Ahern <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: Alexander Aring <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-11-08net_sch: cbs: Change TC_SETUP_CBS to TC_SETUP_QDISC_CBSNogah Frankel1-2/+2
Change TC_SETUP_CBS to TC_SETUP_QDISC_CBS to match the new convention.. Signed-off-by: Nogah Frankel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Reviewed-by: Simon Horman <[email protected]> Acked-by: Vinicius Costa Gomes <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-10-27net/sched: Add support for HW offloading for CBSVinicius Costa Gomes1-12/+92
This adds support for offloading the CBS algorithm to the controller, if supported. Drivers wanting to support CBS offload must implement the .ndo_setup_tc callback and handle the TC_SETUP_CBS (introduced here) type. Signed-off-by: Vinicius Costa Gomes <[email protected]> Tested-by: Henrik Austad <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2017-10-27net/sched: Introduce Credit Based Shaper (CBS) qdiscVinicius Costa Gomes1-0/+293
This queueing discipline implements the shaper algorithm defined by the 802.1Q-2014 Section 8.6.8.2 and detailed in Annex L. It's primary usage is to apply some bandwidth reservation to user defined traffic classes, which are mapped to different queues via the mqprio qdisc. Only a simple software implementation is added for now. Signed-off-by: Vinicius Costa Gomes <[email protected]> Signed-off-by: Jesus Sanchez-Palencia <[email protected]> Tested-by: Henrik Austad <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
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