int metric; // there can be multiple routes to the same target
unsigned int table;
unsigned int mask;
+ unsigned int sourcemask;
+ union if_addr addr;
+ union if_addr source;
+};
+
+struct device_source_table {
+ struct list_head head;
+ uint32_t table;
+ uint16_t refcount;
+ uint8_t v6;
+ uint8_t mask;
union if_addr addr;
};