openvswitch: Make 100 percents packets sampled when sampling rate is 1.
authorWenyu Zhang <wenyuz@vmware.com>
Wed, 5 Aug 2015 07:30:47 +0000 (00:30 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 7 Aug 2015 19:00:38 +0000 (12:00 -0700)
commite05176a3283822bd32a1f3d929ce2050232299a8
tree3a3ea7c2e7dcfc2b396128fd598d31c7a85dfa91
parentda8b43c0e1dcea3bcac5f37ea59934ddaa137aed
openvswitch: Make 100 percents packets sampled when sampling rate is 1.

When sampling rate is 1, the sampling probability is UINT32_MAX. The packet
should be sampled even the prandom32() generate the number of UINT32_MAX.
And none packet need be sampled when the probability is 0.

Signed-off-by: Wenyu Zhang <wenyuz@vmware.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/openvswitch/actions.c