struct bgp_opt_param {
uint8_t type;
uint8_t len;
-#define BGP_MAX_OPT_PARAM_SIZE 256
+#define BGP_MAX_OPT_PARAM_SIZE 256
char value[BGP_MAX_OPT_PARAM_SIZE];
} __attribute__ ((packed));
-#define BGP_CAPABILITY_PARAM_TYPE 2
+#define BGP_PARAM_TYPE_CAPABILITY 2
struct bgp_capability {
uint8_t code;
uint8_t len;
-#define BGP_MAX_CAPABILITY_SIZE 256
+#define BGP_MAX_CAPABILITY_SIZE 256
char value[BGP_MAX_CAPABILITY_SIZE];
} __attribute__ ((packed));
+/* RFC4760 Multiprotocol extension */
+#define BGP_CAP_CODE_MP 1
+
+struct bgp_mp_cap_param {
+ uint16_t afi; /* sa_family_t */
+ uint8_t reserved; /* SHOULD be 0 */
+ uint8_t safi;
+} __attribute__ ((packed));
+
+/* bgp_mp_cap_param.safi */
+#define BGP_MP_SAFI_UNICAST 1
+#define BGP_MP_SAFI_MULTICAST 2
+
+struct bgp_ip6_prefix {
+ uint8_t len;
+ uint8_t prefix[16]; /* variable */
+} __attribute__ ((packed));
+
+/* end of RFC4760 specific definitions */
+
struct bgp_ip_prefix {
uint8_t len;
uint32_t prefix; /* variable */
} __attribute__ ((packed));
+/* works for both IPv4 and IPv6 prefixes */
#define BGP_IP_PREFIX_SIZE(p) (1 + ((p).len / 8) + ((p).len % 8 != 0))
struct bgp_path_attr {
Established, /* established */
};
+struct bgp_route6_list {
+ struct bgp_ip6_prefix dest;
+ struct bgp_route6_list *next;
+};
+
struct bgp_route_list {
struct bgp_ip_prefix dest;
struct bgp_route_list *next;
int cli_flag; /* updates requested from CLI */
char *path_attrs; /* path attrs to send in UPDATE message */
int path_attr_len; /* length of path attrs */
+ int path_attr_len_without_nexthop; /* length of path attrs without NEXT_HOP */
uint32_t events; /* events to poll */
struct event_data edata; /* poll data */
+ int handle_ipv6_routes; /* can handle IPv6 routes advertisements */
+ int update_routes6; /* UPDATE required for IPv6 routes */
+ struct bgp_route6_list *routes6; /* IPv6 routes known by this peer */
};
/* bgp_peer.cli_flag */
void bgp_halt(struct bgp_peer *peer);
int bgp_restart(struct bgp_peer *peer);
int bgp_add_route(in_addr_t ip, in_addr_t mask);
+int bgp_add_route6(struct in6_addr ip, int prefixlen);
int bgp_del_route(in_addr_t ip, in_addr_t mask);
+int bgp_del_route6(struct in6_addr ip, int prefixlen);
void bgp_enable_routing(int enable);
int bgp_set_poll(void);
int bgp_process(uint32_t events[]);