[ovs-dev] [PATCH] dpif-linux: fix the size of n_masks

[Ben Pfaff]

On Tue, Dec 17, 2013 at 08:18:18PM +0100, Francesco Fusco wrote:
> The command ovs-dpctl can wrongly output the masks even if the
> datapath does not implement mega flows. In this case the output
> will be similar to the following:
> 
> system at ovs-system:
> 	lookups: hit:14 missed:41 lost:0
> 	flows: 0
> 	masks: hit:18446744073709551615 total:4294967295
> 		hit/pkt:335395346794719104.00
> 	port 0: ovs-system (internal)
> 	port 1: gre_system (gre: df_default=false, ttl=0)
> 	port 2: ots-br0 (internal)
> 	port 3: int0 (internal)
> 	port 4: vnet0
> 	port 5: vnet1
> 
> The problem depends on the fact that n_masks stats is stored as a
> uint32 in the struct ovs_dp_megaflow_stats and as a uint64 in the
> struct dpif_dp_stats. UINT32_MAX instead of UINT64_MAX should be
> used to detect if the datapath supports megaflows or not.
> 
> Signed-off-by: Francesco Fusco <ffusco at redhat.com>

Applied, thanks.