isisd: add Google's changes to IS-IS
diff --git a/isisd/isis_tlv.h b/isisd/isis_tlv.h
index fc9f35f..e092f4d 100644
--- a/isisd/isis_tlv.h
+++ b/isisd/isis_tlv.h
@@ -30,7 +30,7 @@
* Name Value IIH LSP SNP Status
* LAN
* ____________________________________________________________________________
- *
+ *
* Area Addresses 1 y y n ISO10589
* IIS Neighbors 2 n y n ISO10589
* ES Neighbors 3 n y n ISO10589
@@ -39,52 +39,52 @@
* LSP Entries 9 n n y ISO10589
* Authentication 10 y y y ISO10589, RFC3567
* Checksum 12 y n y RFC3358
- * TE IS Reachability 22 n y n RFC3784
+ * TE IS Reachability 22 n y n RFC5305
* IS Alias 24 n y n RFC3786
* IP Int. Reachability 128 n y n RFC1195
* Protocols Supported 129 y y n RFC1195
* IP Ext. Reachability 130 n y n RFC1195
* IDRPI 131 n y y RFC1195
* IP Interface Address 132 y y n RFC1195
- * TE Router ID 134 n y n RFC3784
- * Extended IP Reachability 135 n y n RFC3784
+ * TE Router ID 134 n y n RFC5305
+ * Extended IP Reachability 135 n y n RFC5305
* Dynamic Hostname 137 n y n RFC2763
- * Shared Risk Link Group 138 n y y draft-ietf-isis-gmpls-extensions
+ * Shared Risk Link Group 138 n y y RFC5307
* Restart TLV 211 y n n RFC3847
- * MT IS Reachability 222 n y n draft-ietf-isis-wg-multi-topology
- * MT Supported 229 y y n draft-ietf-isis-wg-multi-topology
- * IPv6 Interface Address 232 y y n draft-ietf-isis_ipv6
- * MT IP Reachability 235 n y n draft-ietf-isis-wg-multi-topology
- * IPv6 IP Reachability 236 n y n draft-ietf-isis_ipv6
- * MT IPv6 IP Reachability 237 n y n draft-ietf-isis-wg-multi-topology
+ * MT IS Reachability 222 n y n RFC5120
+ * MT Supported 229 y y n RFC5120
+ * IPv6 Interface Address 232 y y n RFC5308
+ * MT IP Reachability 235 n y n RFC5120
+ * IPv6 IP Reachability 236 n y n RFC5308
+ * MT IPv6 IP Reachability 237 n y n RFC5120
* P2P Adjacency State 240 y n n RFC3373
* IIH Sequence Number 241 y n n draft-shen-isis-iih-sequence
* Router Capability 242 - - - draft-ietf-isis-caps
*
- *
+ *
* IS Reachability sub-TLVs we (should) support.
* ____________________________________________________________________________
* Name Value Status
* ____________________________________________________________________________
- * Administartive group (color) 3 RFC3784
- * Link Local/Remote Identifiers 4 draft-ietf-isis-gmpls-extensions
- * IPv4 interface address 6 RFC3784
- * IPv4 neighbor address 8 RFC3784
- * Maximum link bandwidth 9 RFC3784
- * Reservable link bandwidth 10 RFC3784
- * Unreserved bandwidth 11 RFC3784
- * TE Default metric 18 RFC3784
- * Link Protection Type 20 draft-ietf-isis-gmpls-extensions
- * Interface Switching Capability 21 draft-ietf-isis-gmpls-extensions
+ * Administartive group (color) 3 RFC5305
+ * Link Local/Remote Identifiers 4 RFC5307
+ * IPv4 interface address 6 RFC5305
+ * IPv4 neighbor address 8 RFC5305
+ * Maximum link bandwidth 9 RFC5305
+ * Reservable link bandwidth 10 RFC5305
+ * Unreserved bandwidth 11 RFC5305
+ * TE Default metric 18 RFC5305
+ * Link Protection Type 20 RFC5307
+ * Interface Switching Capability 21 RFC5307
*
- *
+ *
* IP Reachability sub-TLVs we (should) support.
* ____________________________________________________________________________
* Name Value Status
* ____________________________________________________________________________
- * 32bit administrative tag 1 draft-ietf-isis-admin-tags
- * 64bit administrative tag 2 draft-ietf-isis-admin-tags
- * Management prefix color 117 draft-ietf-isis-wg-multi-topology
+ * 32bit administrative tag 1 RFC5130
+ * 64bit administrative tag 2 RFC5130
+ * Management prefix color 117 RFC5120
*/
#define AREA_ADDRESSES 1
@@ -110,11 +110,14 @@
#define IPV6_REACHABILITY 236
#define WAY3_HELLO 240
+#define AUTH_INFO_HDRLEN 3
+
#define IS_NEIGHBOURS_LEN (ISIS_SYS_ID_LEN + 5)
#define LAN_NEIGHBOURS_LEN 6
#define LSP_ENTRIES_LEN (10 + ISIS_SYS_ID_LEN) /* FIXME: should be entry */
#define IPV4_REACH_LEN 12
#define IPV6_REACH_LEN 22
+#define TE_IPV4_REACH_LEN 9
/* struct for neighbor */
struct is_neigh
@@ -131,6 +134,15 @@
u_char sub_tlvs_length;
};
+/* Decode and encode three-octet metric into host byte order integer */
+#define GET_TE_METRIC(t) \
+ (((unsigned)(t)->te_metric[0]<<16) | ((t)->te_metric[1]<<8) | \
+ (t)->te_metric[2])
+#define SET_TE_METRIC(t, m) \
+ (((t)->te_metric[0] = (m) >> 16), \
+ ((t)->te_metric[1] = (m) >> 8), \
+ ((t)->te_metric[2] = (m)))
+
/* struct for es neighbors */
struct es_neigh
{
@@ -213,7 +225,6 @@
u_char prefix_len;
u_char prefix[16];
};
-#endif /* HAVE_IPV6 */
/* bits in control_info */
#define CTRL_INFO_DIRECTION 0x80
@@ -223,12 +234,17 @@
#define DISTRIBUTION_INTERNAL 0
#define DISTRIBUTION_EXTERNAL 1
#define CTRL_INFO_SUBTLVS 0x20
+#endif /* HAVE_IPV6 */
/*
* Pointer to each tlv type, filled by parse_tlvs()
*/
struct tlvs
{
+ struct checksum *checksum;
+ struct hostname *hostname;
+ struct nlpids *nlpids;
+ struct te_router_id *router_id;
struct list *area_addrs;
struct list *is_neighs;
struct list *te_is_neighs;
@@ -236,14 +252,10 @@
struct list *lsp_entries;
struct list *prefix_neighs;
struct list *lan_neighs;
- struct checksum *checksum;
- struct nlpids *nlpids;
struct list *ipv4_addrs;
struct list *ipv4_int_reachs;
struct list *ipv4_ext_reachs;
struct list *te_ipv4_reachs;
- struct hostname *hostname;
- struct te_router_id *router_id;
#ifdef HAVE_IPV6
struct list *ipv6_addrs;
struct list *ipv6_reachs;
@@ -281,7 +293,9 @@
void init_tlvs (struct tlvs *tlvs, uint32_t expected);
void free_tlvs (struct tlvs *tlvs);
int parse_tlvs (char *areatag, u_char * stream, int size,
- u_int32_t * expected, u_int32_t * found, struct tlvs *tlvs);
+ u_int32_t * expected, u_int32_t * found, struct tlvs *tlvs,
+ u_int32_t * auth_tlv_offset);
+int add_tlv (u_char, u_char, u_char *, struct stream *);
void free_tlv (void *val);
int tlv_add_area_addrs (struct list *area_addrs, struct stream *stream);
@@ -290,7 +304,7 @@
int tlv_add_lan_neighs (struct list *lan_neighs, struct stream *stream);
int tlv_add_nlpid (struct nlpids *nlpids, struct stream *stream);
int tlv_add_checksum (struct checksum *checksum, struct stream *stream);
-int tlv_add_authinfo (char auth_type, char authlen, u_char *auth_value,
+int tlv_add_authinfo (u_char auth_type, u_char authlen, u_char *auth_value,
struct stream *stream);
int tlv_add_ip_addrs (struct list *ip_addrs, struct stream *stream);
int tlv_add_in_addr (struct in_addr *, struct stream *stream, u_char tag);