Increase pcn-router ARP table dimension

The pcn-router ARP table dimension was not sufficient to handle a number of
client pods greater than 32 in the Polykube network provider use case. Update
the dimension of the ARP table to a reasonably high value.

Signed-off-by: Leonardo Di Giovanna <[email protected]>

Author: ekoops

src/services/pcn-router/src/Router_dp.c

@@ -30,7 +30,7 @@
 #define CHECK_MAC_DST
 #define ROUTING_TABLE_DIM 256
 #define ROUTER_PORT_N 32
-#define ARP_TABLE_DIM 32
+#define ARP_TABLE_DIM 1024
 #define MAX_SECONDARY_ADDRESSES 5 // also defined in Ports.h
 #define TYPE_NOLOCALINTERFACE 0  // used to compare the 'type' field in the rt_v
 #define TYPE_LOCALINTERFACE 1