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kernel: add codel and fq_codel to generic 3.3 patch set (based on patch by Dave Täht) Codel is a new AQM algorithm and RED replacement designed by Kathie Nichols and Van Jacobson, and published in ACM queue: http://queue.acm.org/detail.cfm?id=2209336 Codel stands for "Controlled Delay", and needs no knobs in the general case, twiddled, for optimum results. It aims for 5ms of delay, at most, when in use. Additionally, fq_codel (by eric dumazet) builds on codel to provide fair queuing superior to what could be had with SFQ, and drop behavior saner than RED, BLUE, or choke. These patches are backported from net-next and are known to work on Linux 3.3.4 and later. Includes updates to codel for better portability and speed SVN-Revision: 31756
2012-05-16 15:23:03 +00:00
From 669d67bf777def468970f2dcba1537edf3b2d329 Mon Sep 17 00:00:00 2001
From: Sasha Levin <levinsasha928@gmail.com>
Date: Mon, 14 May 2012 11:57:06 +0000
Subject: [PATCH 45/50] net: codel: fix build errors
Fix the following build error:
net/sched/sch_fq_codel.c: In function 'fq_codel_dump_stats':
net/sched/sch_fq_codel.c:464:3: error: unknown field 'qdisc_stats' specified in initializer
net/sched/sch_fq_codel.c:464:3: warning: missing braces around initializer
net/sched/sch_fq_codel.c:464:3: warning: (near initialization for 'st.<anonymous>')
net/sched/sch_fq_codel.c:465:3: error: unknown field 'qdisc_stats' specified in initializer
net/sched/sch_fq_codel.c:465:3: warning: excess elements in struct initializer
net/sched/sch_fq_codel.c:465:3: warning: (near initialization for 'st')
net/sched/sch_fq_codel.c:466:3: error: unknown field 'qdisc_stats' specified in initializer
net/sched/sch_fq_codel.c:466:3: warning: excess elements in struct initializer
net/sched/sch_fq_codel.c:466:3: warning: (near initialization for 'st')
net/sched/sch_fq_codel.c:467:3: error: unknown field 'qdisc_stats' specified in initializer
net/sched/sch_fq_codel.c:467:3: warning: excess elements in struct initializer
net/sched/sch_fq_codel.c:467:3: warning: (near initialization for 'st')
make[1]: *** [net/sched/sch_fq_codel.o] Error 1
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/sched/sch_fq_codel.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -461,13 +461,14 @@ static int fq_codel_dump_stats(struct Qd
struct fq_codel_sched_data *q = qdisc_priv(sch);
struct tc_fq_codel_xstats st = {
.type = TCA_FQ_CODEL_XSTATS_QDISC,
- .qdisc_stats.maxpacket = q->cstats.maxpacket,
- .qdisc_stats.drop_overlimit = q->drop_overlimit,
- .qdisc_stats.ecn_mark = q->cstats.ecn_mark,
- .qdisc_stats.new_flow_count = q->new_flow_count,
};
struct list_head *pos;
+ st.qdisc_stats.maxpacket = q->cstats.maxpacket;
+ st.qdisc_stats.drop_overlimit = q->drop_overlimit;
+ st.qdisc_stats.ecn_mark = q->cstats.ecn_mark;
+ st.qdisc_stats.new_flow_count = q->new_flow_count;
+
list_for_each(pos, &q->new_flows)
st.qdisc_stats.new_flows_len++;