netdev - [PATCH net-next 4/7] net: sched: gred: store bytesin as a 64 bit value

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Message-Id: <20181115062351.22763-5-jakub.kicinski@netronome.com>
Date:   Wed, 14 Nov 2018 22:23:48 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, jiri@...nulli.us, xiyou.wangcong@...il.com,
        jhs@...atatu.com, oss-drivers@...ronome.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 4/7] net: sched: gred: store bytesin as a 64 bit value

32 bit counters for bytes are not really going to last long in modern
world.  Make sch_gred count bytes on a 64 bit counter.  It will still
get truncated during dump but follow up patch will add set of new
stat dump attributes.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: John Hurley <john.hurley@...ronome.com>
---
 net/sched/sch_gred.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 3d7bd374b303..6f209c83ee7a 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -35,7 +35,7 @@ struct gred_sched;
 struct gred_sched_data {
 	u32		limit;		/* HARD maximal queue length	*/
 	u32		DP;		/* the drop parameters */
-	u32		bytesin;	/* bytes seen on virtualQ so far*/
+	u64		bytesin;	/* bytes seen on virtualQ so far*/
 	u32		packetsin;	/* packets seen on virtualQ so far*/
 	u32		backlog;	/* bytes on the virtualQ */
 	u8		prio;		/* the prio of this vq */
-- 
2.17.1