50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
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From eb4206ecd0342ff92b1a85b7dae3d4fd1b5be1c6 Mon Sep 17 00:00:00 2001
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From: Kevin Bracey <kevin@bracey.fi>
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Date: Thu, 6 Jan 2022 13:16:04 +0200
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Subject: [PATCH] q_cake: allow changing to diffserv3
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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A diffserv3 option (enum value 0) was never sent to the kernel, so it
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was not possible to use "tc qdisc change" to select it.
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This also meant that were also relying on the kernel's default being
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diffserv3 when adding. If the default were to change, we wouldn't have
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been able to request diffserv3 explicitly.
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Signed-off-by: Kevin Bracey <kevin@bracey.fi>
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Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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Conflict: NA
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Reference: https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit?id=eb4206ecd03
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---
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tc/q_cake.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/tc/q_cake.c b/tc/q_cake.c
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index 4cfc1c00..c438b765 100644
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--- a/tc/q_cake.c
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+++ b/tc/q_cake.c
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@@ -95,7 +95,7 @@ static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv,
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bool overhead_override = false;
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bool overhead_set = false;
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unsigned int interval = 0;
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- unsigned int diffserv = 0;
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+ int diffserv = -1;
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unsigned int memlimit = 0;
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unsigned int fwmark = 0;
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unsigned int target = 0;
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@@ -356,7 +356,7 @@ static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv,
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if (bandwidth || unlimited)
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addattr_l(n, 1024, TCA_CAKE_BASE_RATE64, &bandwidth,
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sizeof(bandwidth));
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- if (diffserv)
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+ if (diffserv != -1)
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addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv,
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sizeof(diffserv));
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if (atm != -1)
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--
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2.23.0
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