[secnet] / netlink.h

#ifndef netlink_h
#define netlink_h

#include "ipaddr.h"

#define DEFAULT_BUFSIZE 2048
#define DEFAULT_MTU 1000
#define ICMP_BUFSIZE 1024

struct netlink_client {
    struct subnet_list *networks;
    netlink_deliver_fn *deliver;
    void *dst;
    string_t name;
    uint32_t link_quality;
    uint32_t options;
    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;
};

typedef bool_t netlink_route_fn(void *cst, struct netlink_route *route);

/* Netlink provides one function to the device driver, to call to deliver
   a packet from the device. The device driver provides one function to
   netlink, for it to call to deliver a packet to the device. */

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;
    netlink_deliver_fn *deliver_to_host; /* Provided by driver */
    netlink_route_fn *set_route; /* 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;
};

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,
					netlink_deliver_fn *to_host);

#endif /* netlink_h */
Commit	Line	Data
9d3a4132 SE	1	#ifndef netlink_h
	2	#define netlink_h
	3
7138d0c5 SE	4	#include "ipaddr.h"
7138d0c5 SE	5
9d3a4132 SE	6	#define DEFAULT_BUFSIZE 2048
	7	#define DEFAULT_MTU 1000
	8	#define ICMP_BUFSIZE 1024
	9
	10	struct netlink_client {
	11	struct subnet_list *networks;
	12	netlink_deliver_fn *deliver;
	13	void *dst;
	14	string_t name;
	15	uint32_t link_quality;
3454dce4	16	uint32_t options;
9d3a4132 SE	17	struct netlink_client *next;
	18	};
	19
	20	struct netlink_route {
	21	struct subnet net;
	22	bool_t hard;
3454dce4	23	bool_t allow_route;
9d3a4132 SE	24	bool_t up;
9d3a4132 SE	25	bool_t kup;
042a8da9	26	uint32_t quality; /* provided by client */
9d3a4132 SE	27	struct netlink_client *c;
	28	};
	29
	30	typedef bool_t netlink_route_fn(void cst, struct netlink_route route);
	31
	32	/* Netlink provides one function to the device driver, to call to deliver
	33	a packet from the device. The device driver provides one function to
	34	netlink, for it to call to deliver a packet to the device. */
	35
	36	struct netlink {
	37	closure_t cl;
	38	struct netlink_if ops;
	39	void dst; / Pointer to host interface state */
	40	string_t name;
	41	uint32_t max_start_pad;
	42	uint32_t max_end_pad;
	43	struct subnet_list networks;
	44	struct subnet_list exclude_remote_networks;
9d3a4132 SE	45	uint32_t secnet_address; /* our own address */
	46	uint32_t mtu;
	47	struct netlink_client *clients;
	48	netlink_deliver_fn deliver_to_host; / Provided by driver */
	49	netlink_route_fn set_route; / Provided by driver */
	50	struct buffer_if icmp; /* Buffer for assembly of outgoing ICMP */
	51	uint32_t n_routes; /* How many routes do we know about? */
	52	struct netlink_route *routes;
	53	};
	54
	55	extern netlink_deliver_fn netlink_init(struct netlink st,
	56	void *dst, struct cloc loc,
	57	dict_t *dict, string_t description,
	58	netlink_route_fn *set_route,
	59	netlink_deliver_fn *to_host);
	60
	61	#endif /* netlink_h */