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From: Stephen Hemminger <stephen@networkplumber.org>
To: netdev@vger.kernel.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	Jamal Hadi Salim <jhs@mojatatu.com>,
	Jiri Pirko <jiri@resnulli.us>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>,
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH net-next 4/6] net/sched: netem: remove unused loss model fields
Date: Sat, 28 Mar 2026 11:26:05 -0700	[thread overview]
Message-ID: <20260328182704.456993-5-stephen@networkplumber.org> (raw)
In-Reply-To: <20260328182704.456993-1-stephen@networkplumber.org>

The _4_state_model and GE_state_model enum definitions are declared
as struct members but are never read or written. Only the enum
constants they define (TX_IN_GAP_PERIOD, GOOD_STATE, etc.) are used.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 net/sched/sch_netem.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 69c93f7ade62..87caf1b9a4a7 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -71,6 +71,18 @@ struct disttable {
 	s16 table[] __counted_by(size);
 };
 
+enum GE_state_model {
+	GOOD_STATE = 1,
+	BAD_STATE,
+};
+
+enum _4_state_model {
+	TX_IN_GAP_PERIOD = 1,
+	TX_IN_BURST_PERIOD,
+	LOST_IN_GAP_PERIOD,
+	LOST_IN_BURST_PERIOD,
+};
+
 struct netem_sched_data {
 	/* internal t(ime)fifo qdisc uses t_root and sch->limit */
 	struct rb_root t_root;
@@ -121,18 +133,6 @@ struct netem_sched_data {
 		CLG_GILB_ELL,
 	} loss_model;
 
-	enum {
-		TX_IN_GAP_PERIOD = 1,
-		TX_IN_BURST_PERIOD,
-		LOST_IN_GAP_PERIOD,
-		LOST_IN_BURST_PERIOD,
-	} _4_state_model;
-
-	enum {
-		GOOD_STATE = 1,
-		BAD_STATE,
-	} GE_state_model;
-
 	/* Correlated Loss Generation models */
 	struct clgstate {
 		/* state of the Markov chain */
-- 
2.53.0


  parent reply	other threads:[~2026-03-28 18:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-28 18:26 [PATCH net-next 0/6] net/sched: netem: cleanups and improvements Stephen Hemminger
2026-03-28 18:26 ` [PATCH net-next 1/6] net/sched: netem: replace pr_info with netlink extack error messages Stephen Hemminger
2026-03-28 18:26 ` [PATCH net-next 2/6] net/sched: netem: check for invalid slot range Stephen Hemminger
2026-03-28 18:26 ` [PATCH net-next 3/6] net/sched: netem: fix slot delay calculation overflow Stephen Hemminger
2026-03-28 18:26 ` Stephen Hemminger [this message]
2026-03-28 18:26 ` [PATCH net-next 5/6] net/sched: netem: remove useless VERSION Stephen Hemminger
2026-03-28 18:26 ` [PATCH net-next 6/6] net/sched: netem: add per-impairment extended statistics Stephen Hemminger

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