#define DEFAULT_MTU 1000
#define ICMP_BUFSIZE 1024
+struct netlink;
+
struct netlink_client {
- struct subnet_list *networks;
+ closure_t cl;
+ struct netlink_if ops;
+ struct netlink *nst;
+ struct ipset *networks;
+ struct subnet_list *subnets; /* Same information as 'networks' */
+ uint32_t priority; /* Higher priority clients have their networks
+ checked first during routing. This allows
+ things like laptops to supersede whole
+ networks. */
netlink_deliver_fn *deliver;
void *dst;
string_t name;
uint32_t link_quality;
+ int32_t mtu;
uint32_t options;
+ uint32_t outcount;
+ bool_t up; /* Should these routes exist in the kernel? */
+ bool_t kup; /* Do these routes exist in the kernel? */
struct netlink_client *next;
};
-struct netlink_route {
- struct subnet net;
- bool_t hard;
- bool_t allow_route;
- bool_t up;
- bool_t kup;
- uint32_t quality; /* provided by client */
- struct netlink_client *c;
-};
+/* options field in 'struct netlink_client' */
+#define OPT_SOFTROUTE 1
+#define OPT_ALLOWROUTE 2
-typedef bool_t netlink_route_fn(void *cst, struct netlink_route *route);
+typedef bool_t netlink_route_fn(void *cst, struct netlink_client *routes);
/* Netlink provides one function to the device driver, to call to deliver
a packet from the device. The device driver provides one function to
struct netlink {
closure_t cl;
- struct netlink_if ops;
void *dst; /* Pointer to host interface state */
- string_t name;
- uint32_t max_start_pad;
- uint32_t max_end_pad;
- struct subnet_list networks;
- struct subnet_list exclude_remote_networks;
- uint32_t secnet_address; /* our own address */
- uint32_t mtu;
- struct netlink_client *clients;
+ cstring_t name;
+ struct ipset *networks; /* Local networks */
+ struct subnet_list *subnets; /* Same as networks, for display */
+ struct ipset *remote_networks; /* Allowable remote networks */
+ uint32_t local_address; /* host interface address */
+ uint32_t secnet_address; /* our own address, or the address of the
+ other end of a point-to-point link */
+ bool_t ptp;
+ int32_t mtu;
+ struct netlink_client *clients; /* Linked list of clients */
+ struct netlink_client **routes; /* Array of clients, sorted by priority */
+ int32_t n_clients;
netlink_deliver_fn *deliver_to_host; /* Provided by driver */
- netlink_route_fn *set_route; /* Provided by driver */
+ netlink_route_fn *set_routes; /* Provided by driver */
struct buffer_if icmp; /* Buffer for assembly of outgoing ICMP */
- uint32_t n_routes; /* How many routes do we know about? */
- struct netlink_route *routes;
+ uint32_t outcount; /* Packets sent to host */
+ uint32_t localcount; /* Packets sent to secnet */
};
extern netlink_deliver_fn *netlink_init(struct netlink *st,
void *dst, struct cloc loc,
- dict_t *dict, string_t description,
- netlink_route_fn *set_route,
+ dict_t *dict, cstring_t description,
+ netlink_route_fn *set_routes,
netlink_deliver_fn *to_host);
#endif /* netlink_h */