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e6e5904455
Commit d068ca2ae2 ("codel: split into multiple files") moved all
Qdisc-related code to codel_qdisc.h, move the include of pkt_sched.h
as well.
This is similar to the previous commit, although we don't care as
much about incremental builds after pkt_sched.h was touched itself
it is included by net/sch_generic.h which is modified ~20 times
a year.
This decreases the incremental build size after touching pkt_sched.h
from 1592 to 617 objects.
Fix unmasked missing includes in WiFi drivers.
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211221193941.3805147-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
#ifndef __NET_SCHED_CODEL_QDISC_H
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#define __NET_SCHED_CODEL_QDISC_H
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/*
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* Codel - The Controlled-Delay Active Queue Management algorithm
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*
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* Copyright (C) 2011-2012 Kathleen Nichols <nichols@pollere.com>
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* Copyright (C) 2011-2012 Van Jacobson <van@pollere.net>
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* Copyright (C) 2012 Michael D. Taht <dave.taht@bufferbloat.net>
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* Copyright (C) 2012,2015 Eric Dumazet <edumazet@google.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, provided that this notice is retained in full, this
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* software may be distributed under the terms of the GNU General
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* Public License ("GPL") version 2, in which case the provisions of the
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* GPL apply INSTEAD OF those given above.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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/* Controlling Queue Delay (CoDel) algorithm
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* =========================================
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* Source : Kathleen Nichols and Van Jacobson
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* http://queue.acm.org/detail.cfm?id=2209336
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*
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* Implemented on linux by Dave Taht and Eric Dumazet
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*/
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#include <net/pkt_sched.h>
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/* Qdiscs using codel plugin must use codel_skb_cb in their own cb[] */
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struct codel_skb_cb {
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codel_time_t enqueue_time;
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unsigned int mem_usage;
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};
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static struct codel_skb_cb *get_codel_cb(const struct sk_buff *skb)
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{
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qdisc_cb_private_validate(skb, sizeof(struct codel_skb_cb));
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return (struct codel_skb_cb *)qdisc_skb_cb(skb)->data;
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}
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static codel_time_t codel_get_enqueue_time(const struct sk_buff *skb)
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{
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return get_codel_cb(skb)->enqueue_time;
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}
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static void codel_set_enqueue_time(struct sk_buff *skb)
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{
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get_codel_cb(skb)->enqueue_time = codel_get_time();
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}
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#endif
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