netdev - [Patch net-next 0/3] net_sched: reflect tx_queue_len change for pfifo

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Message-Id: <20180119230933.10009-1-xiyou.wangcong@gmail.com>
Date:   Fri, 19 Jan 2018 15:09:30 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     netdev@...r.kernel.org
Cc:     john.fastabend@...il.com, Cong Wang <xiyou.wangcong@...il.com>
Subject: [Patch net-next 0/3] net_sched: reflect tx_queue_len change for pfifo_fast

This pathcset restores the pfifo_fast qdisc behavior of dropping
packets based on latest dev->tx_queue_len. Patch 1 introduces
a helper, patch 2 introduces a new Qdisc ops which is called when
we modify tx_queue_len, patch 3 implements this ops for pfifo_fast.

Please see each patch for details.

---

Cong Wang (3):
  net: introduce helper dev_change_tx_queue_len()
  net_sched: plug in qdisc ops change_tx_queue_len
  net_sched: implement ->change_tx_queue_len() for pfifo_fast

 include/linux/netdevice.h |  1 +
 include/net/sch_generic.h |  2 ++
 net/core/dev.c            | 29 +++++++++++++++++++++++++++++
 net/core/net-sysfs.c      | 25 +------------------------
 net/core/rtnetlink.c      | 18 +++++-------------
 net/sched/sch_generic.c   | 35 +++++++++++++++++++++++++++++++++++
 6 files changed, 73 insertions(+), 37 deletions(-)

-- 
2.13.0