LGTM,

Acked-by: Jarno Rajahalme <jrajaha...@nicira.com>

On Jan 30, 2015, at 1:36 PM, Ben Pfaff <b...@nicira.com> wrote:

> Until now, when the sFlow selection probability changed, OVS failed to
> immediately revalidate the flow table, delaying the new probability taking
> effect.  This commit fixes the problem.
> 
> Reported-by: K 華 <k940...@hotmail.com>
> Signed-off-by: Ben Pfaff <b...@nicira.com>
> ---
> AUTHORS                | 1 +
> ofproto/ofproto-dpif.c | 5 ++++-
> 2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/AUTHORS b/AUTHORS
> index 366ad9b..0ac1a74 100644
> --- a/AUTHORS
> +++ b/AUTHORS
> @@ -259,6 +259,7 @@ Joan Cirer              j...@ev0.net
> John Darrington         j...@darrington.wattle.id.au
> John Galgay             j...@galgay.net
> John Hurley             john.hur...@netronome.com
> +K 華                    k940...@hotmail.com
> Kevin Mancuso           kevin.manc...@rackspace.com
> Kiran Shanbhog          ki...@vmware.com
> Kirill Kabardin
> diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c
> index 1b4ad12..b909fd9 100644
> --- a/ofproto/ofproto-dpif.c
> +++ b/ofproto/ofproto-dpif.c
> @@ -1894,6 +1894,7 @@ set_sflow(struct ofproto *ofproto_,
>     struct dpif_sflow *ds = ofproto->sflow;
> 
>     if (sflow_options) {
> +        uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0;
>         if (!ds) {
>             struct ofport_dpif *ofport;
> 
> @@ -1901,9 +1902,11 @@ set_sflow(struct ofproto *ofproto_,
>             HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
>                 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
>             }
> -            ofproto->backer->need_revalidate = REV_RECONFIGURE;
>         }
>         dpif_sflow_set_options(ds, sflow_options);
> +        if (dpif_sflow_get_probability(ds) != old_probability) {
> +            ofproto->backer->need_revalidate = REV_RECONFIGURE;
> +        }
>     } else {
>         if (ds) {
>             dpif_sflow_unref(ds);
> -- 
> 2.1.3
> 
> _______________________________________________
> dev mailing list
> dev@openvswitch.org
> http://openvswitch.org/mailman/listinfo/dev

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