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isisd: move and rename the infinity metric constants

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Those constants are also useful in contexts other than LDP-IGP
Synchronization (e.g. the upcoming LFA work will need them). Move
them to a more general header to reflect that.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2020-11-13 23:28:07 -03:00
parent 6dfb7f5961
commit 35f70ed3f9
3 changed files with 11 additions and 7 deletions
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12
isisd/isis_ldp_sync.c
View File

@ -429,20 +429,24 @@ void isis_ldp_sync_set_if_metric(struct isis_circuit *circuit, bool run_regen)
if (circuit->area->newmetric) {
ldp_sync_info->metric[0] =
circuit->te_metric[0];
circuit->te_metric[0] = LDP_ISIS_LSINFINITY;
circuit->te_metric[0] =
ISIS_WIDE_METRIC_INFINITY;
} else {
ldp_sync_info->metric[0] = circuit->metric[0];
circuit->metric[0] = LDP_ISIS_LSINFINITY_NL;
circuit->metric[0] =
ISIS_NARROW_METRIC_INFINITY;
}
}
if (circuit->is_type & IS_LEVEL_2) {
if (circuit->area->newmetric) {
ldp_sync_info->metric[1] =
circuit->te_metric[1];
circuit->te_metric[1] = LDP_ISIS_LSINFINITY;
circuit->te_metric[1] =
ISIS_WIDE_METRIC_INFINITY;
} else {
ldp_sync_info->metric[1] = circuit->metric[1];
circuit->metric[1] = LDP_ISIS_LSINFINITY_NL;
circuit->metric[1] =
ISIS_NARROW_METRIC_INFINITY;
}
}
} else {

3
isisd/isis_ldp_sync.h
View File

@ -20,9 +20,6 @@
#ifndef _ZEBRA_ISIS_LDP_SYNC_H
#define _ZEBRA_ISIS_LDP_SYNC_H
#define LDP_ISIS_LSINFINITY 0xFFFFFE /* wide link metric */
#define LDP_ISIS_LSINFINITY_NL 62 /* narrow link metric */
/* Macro to log debug message */
#define ils_debug(...) \
do { \

3
isisd/isis_tlvs.h
View File

@ -42,6 +42,9 @@ struct isis_area_address {
uint8_t len;
};
#define ISIS_WIDE_METRIC_INFINITY 0xFFFFFE
#define ISIS_NARROW_METRIC_INFINITY 62
struct isis_oldstyle_reach;
struct isis_oldstyle_reach {
struct isis_oldstyle_reach *next;