[PATCH AUTOSEL 5.4 244/330] net: openvswitch: use u64 for meter bucket
From: Sasha Levin <sashal@kernel.org>
Date: 2020-09-18 02:06:24
Also in:
lkml, stable
Subsystem:
networking [general], openvswitch, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Aaron Conole, Eelco Chaudron, Ilya Maximets, Linus Torvalds
From: Tonghao Zhang <redacted> [ Upstream commit e57358873bb5d6caa882b9684f59140912b37dde ] When setting the meter rate to 4+Gbps, there is an overflow, the meters don't work as expected. Cc: Pravin B Shelar <redacted> Cc: Andy Zhou <redacted> Signed-off-by: Tonghao Zhang <redacted> Acked-by: Pravin B Shelar <redacted> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/openvswitch/meter.c | 2 +- net/openvswitch/meter.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 3323b79ff548d..b10734f18bbd6 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c@@ -251,7 +251,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a) * * Start with a full bucket. */ - band->bucket = (band->burst_size + band->rate) * 1000; + band->bucket = (band->burst_size + band->rate) * 1000ULL; band_max_delta_t = band->bucket / band->rate; if (band_max_delta_t > meter->max_delta_t) meter->max_delta_t = band_max_delta_t;
diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h
index f645913870bd2..2e3fd6f1d7ebe 100644
--- a/net/openvswitch/meter.h
+++ b/net/openvswitch/meter.h@@ -23,7 +23,7 @@ struct dp_meter_band { u32 type; u32 rate; u32 burst_size; - u32 bucket; /* 1/1000 packets, or in bits */ + u64 bucket; /* 1/1000 packets, or in bits */ struct ovs_flow_stats stats; };
--
2.25.1