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Add Optional Parameter and Capability handling.

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Optional Parameters is defined in RFC4271 and Capability advertisement in
RFC3392. For now, we only hande them upon receiving an OPEN message.

Signed-off-by: Benjamin Cama <benoar@dolka.fr>
This commit is contained in:
Benjamin Cama 2011-07-19 15:15:40 +02:00
parent e57e8c3825
commit 1b8cb12cb4
2 changed files with 84 additions and 2 deletions
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17
bgp.h
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@ -43,6 +43,21 @@ struct bgp_data_open {
char opt_params[sizeof(((struct bgp_packet *)0)->data) - BGP_DATA_OPEN_SIZE]; /* variable */
} __attribute__ ((packed));
struct bgp_opt_param {
uint8_t type;
uint8_t len;
#define BGP_MAX_OPT_PARAM_SIZE 256
char value[BGP_MAX_OPT_PARAM_SIZE];
} __attribute__ ((packed));
#define BGP_CAPABILITY_PARAM_TYPE 2
struct bgp_capability {
uint8_t code;
uint8_t len;
#define BGP_MAX_CAPABILITY_SIZE 256
char value[BGP_MAX_CAPABILITY_SIZE];
} __attribute__ ((packed));
struct bgp_ip_prefix {
uint8_t len;
uint32_t prefix; /* variable */
@ -101,6 +116,7 @@ struct bgp_data_notification {
} __attribute__ ((packed));
/* bgp_data_notification.error_code, .error_subcode */
#define BGP_ERR_UNSPEC 0
#define BGP_ERR_HEADER 1
# define BGP_ERR_HDR_NOT_SYNC 1
# define BGP_ERR_HDR_BAD_LEN 2
@ -112,6 +128,7 @@ struct bgp_data_notification {
# define BGP_ERR_OPN_UNSUP_PARAM 4
# define BGP_ERR_OPN_AUTH_FAILURE 5
# define BGP_ERR_OPN_HOLD_TIME 6
# define BGP_ERR_OPN_UNSUP_CAP 7
#define BGP_ERR_UPDATE 3
# define BGP_ERR_UPD_BAD_ATTR_LIST 1
# define BGP_ERR_UPD_UNKN_WK_ATTR 2