isisd: add Google's changes to IS-IS
diff --git a/isisd/isis_constants.h b/isisd/isis_constants.h
index 1b75ba6..bb2c4b4 100644
--- a/isisd/isis_constants.h
+++ b/isisd/isis_constants.h
@@ -27,8 +27,10 @@
* Architectural constant values from p. 35 of ISO/IEC 10589
*/
-#define MAX_LINK_METRIC 63
-#define MAX_PATH_METRIC 1023
+#define MAX_NARROW_LINK_METRIC 63
+#define MAX_NARROW_PATH_METRIC 1023
+#define MAX_WIDE_LINK_METRIC 0x00FFFFFF /* RFC4444 */
+#define MAX_WIDE_PATH_METRIC 0xFE000000 /* RFC3787 */
#define ISO_SAP 0xFE
#define INTRADOMAIN_ROUTEING_SELECTOR 0
#define SEQUENCE_MODULUS 4294967296
@@ -38,7 +40,7 @@
* implementation specific jitter values
*/
-#define IIH_JITTER 25 /* % */
+#define IIH_JITTER 10 /* % */
#define MAX_AGE_JITTER 5 /* % */
#define MAX_LSP_GEN_JITTER 5 /* % */
#define CSNP_JITTER 10 /* % */
@@ -46,36 +48,59 @@
#define RANDOM_SPREAD 100000.0
-/*
- * Default values
- * ISO - 10589
- * Section 7.3.21 - Parameters
- */
-#define MAX_AGE 1200
-#define ZERO_AGE_LIFETIME 60
-#define MAX_LSP_GEN_INTERVAL 900
-#define MIN_LSP_GEN_INTERVAL 30
-#define MIN_LSP_TRANS_INTERVAL 5
-#define ISIS_MIN_LSP_LIFETIME 380
-#define CSNP_INTERVAL 10
-#define PSNP_INTERVAL 2
-#define ISIS_MAX_PATH_SPLITS 3
-
#define ISIS_LEVELS 2
#define ISIS_LEVEL1 1
#define ISIS_LEVEL2 2
-#define HELLO_INTERVAL 10
-#define HELLO_MINIMAL HELLO_INTERVAL
-#define HELLO_MULTIPLIER 3
+/*
+ * Default values
+ * ISO - 10589 Section 7.3.21 - Parameters
+ * RFC 4444
+ */
+#define MAX_AGE 1200
+#define ZERO_AGE_LIFETIME 60
+#define MIN_LSP_LIFETIME 350
+#define MAX_LSP_LIFETIME 65535
+#define DEFAULT_LSP_LIFETIME 1200
+
+#define MIN_MAX_LSP_GEN_INTERVAL 1
+#define MAX_MAX_LSP_GEN_INTERVAL 65235
+#define DEFAULT_MAX_LSP_GEN_INTERVAL 900
+
+#define MIN_MIN_LSP_GEN_INTERVAL 1
+#define MAX_MIN_LSP_GEN_INTERVAL 120 /* RFC 4444 says 65535 */
+#define DEFAULT_MIN_LSP_GEN_INTERVAL 30
+
+#define MIN_LSP_TRANS_INTERVAL 5
+
+#define MIN_CSNP_INTERVAL 1
+#define MAX_CSNP_INTERVAL 600
+#define DEFAULT_CSNP_INTERVAL 10
+
+#define MIN_PSNP_INTERVAL 1
+#define MAX_PSNP_INTERVAL 120
+#define DEFAULT_PSNP_INTERVAL 2
+
+#define MIN_HELLO_INTERVAL 1
+#define MAX_HELLO_INTERVAL 600
+#define DEFAULT_HELLO_INTERVAL 3
+
+#define MIN_HELLO_MULTIPLIER 2
+#define MAX_HELLO_MULTIPLIER 100
+#define DEFAULT_HELLO_MULTIPLIER 10
+
+#define MIN_PRIORITY 0
+#define MAX_PRIORITY 127
#define DEFAULT_PRIORITY 64
-/* different vendors implement different values 5-10 on average */
-#define LSP_GEN_INTERVAL_DEFAULT 10
-#define LSP_INTERVAL 33 /* msecs */
-#define DEFAULT_CIRCUIT_METRICS 10
-#define METRICS_UNSUPPORTED 0x80
-#define PERIODIC_SPF_INTERVAL 60 /* at the top of my head */
-#define MINIMUM_SPF_INTERVAL 5 /* .. same here */
+
+/* min and max metric varies by new vs old metric types */
+#define DEFAULT_CIRCUIT_METRIC 10
+
+#define METRICS_UNSUPPORTED 0x80
+
+#define MINIMUM_SPF_INTERVAL 1
+
+#define ISIS_MAX_PATH_SPLITS 64
/*
* NLPID values
@@ -104,6 +129,7 @@
#define SNPA_ADDRSTRLEN 18
#define ISIS_SYS_ID_LEN 6
+#define ISIS_NSEL_LEN 1
#define SYSID_STRLEN 24
/*
@@ -136,8 +162,8 @@
* packets, using isomtu = mtu - LLC_LEN
*/
#define ISO_MTU(C) \
- (C->circ_type==CIRCUIT_T_BROADCAST) ? \
- (C->interface->mtu - LLC_LEN) : (C->interface->mtu)
+ ((if_is_broadcast ((C)->interface)) ? \
+ (C->interface->mtu - LLC_LEN) : (C->interface->mtu))
#ifndef ETH_ALEN
#define ETH_ALEN 6