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net: openvswitch: use u64 for meter bucket
[ Upstream commit e57358873b
]
When setting the meter rate to 4+Gbps, there is an
overflow, the meters don't work as expected.
Cc: Pravin B Shelar <pshelar@ovn.org>
Cc: Andy Zhou <azhou@ovn.org>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
545c261f22
commit
cd6f892ba5
2 changed files with 2 additions and 2 deletions
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@ -251,7 +251,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
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*
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* Start with a full bucket.
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*/
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band->bucket = (band->burst_size + band->rate) * 1000;
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band->bucket = (band->burst_size + band->rate) * 1000ULL;
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band_max_delta_t = band->bucket / band->rate;
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if (band_max_delta_t > meter->max_delta_t)
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meter->max_delta_t = band_max_delta_t;
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@ -23,7 +23,7 @@ struct dp_meter_band {
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u32 type;
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u32 rate;
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u32 burst_size;
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u32 bucket; /* 1/1000 packets, or in bits */
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u64 bucket; /* 1/1000 packets, or in bits */
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struct ovs_flow_stats stats;
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};
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