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From b8392808eb3fc28e523e28cb258c81ca246deb9b Mon Sep 17 00:00:00 2001
From: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Date: Thu, 25 Jun 2020 22:18:00 +0200
Subject: [PATCH] sch_cake: add RFC 8622 LE PHB support to CAKE diffserv
handling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Change tin mapping on diffserv3, 4 & 8 for LE PHB support, in essence
making LE a member of the Bulk tin.
Bulk has the least priority and minimum of 1/16th total bandwidth in the
face of higher priority traffic.
NB: Diffserv 3 & 4 swap tin 0 & 1 priorities from the default order as
found in diffserv8, in case anyone is wondering why it looks a bit odd.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
[ reword commit message slightly ]
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/sched/sch_cake.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -312,8 +312,8 @@ static const u8 precedence[] = {
};
static const u8 diffserv8[] = {
- 2, 5, 1, 2, 4, 2, 2, 2,
- 0, 2, 1, 2, 1, 2, 1, 2,
+ 2, 0, 1, 2, 4, 2, 2, 2,
+ 1, 2, 1, 2, 1, 2, 1, 2,
5, 2, 4, 2, 4, 2, 4, 2,
3, 2, 3, 2, 3, 2, 3, 2,
6, 2, 3, 2, 3, 2, 3, 2,
@@ -323,7 +323,7 @@ static const u8 diffserv8[] = {
};
static const u8 diffserv4[] = {
- 0, 2, 0, 0, 2, 0, 0, 0,
+ 0, 1, 0, 0, 2, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 2, 0, 2, 0, 2, 0,
2, 0, 2, 0, 2, 0, 2, 0,
@@ -334,7 +334,7 @@ static const u8 diffserv4[] = {
};
static const u8 diffserv3[] = {
- 0, 0, 0, 0, 2, 0, 0, 0,
+ 0, 1, 0, 0, 2, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
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