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authorCarmine Scarpitta <carmine.scarpitta@uniroma2.it>2023-02-15 11:35:46 +0100
committerCarmine Scarpitta <carmine.scarpitta@uniroma2.it>2023-09-11 22:11:37 +0200
commit6cd23c6d95e52b1a86b2a8a2b77d8c929252e251 (patch)
treed98eac50481df32f3dbb7d7eaa493710444e77e4 /isisd
parent791ca51ecf3b31aa6b43f7c3da379da3a45d5f37 (diff)
isisd: Add function to fill in an SRv6 Locator TLV
Add a function to fill in an SRv6 Locator TLV with information from an SRv6 locator (RFC 9352 section #7.1). Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
Diffstat (limited to 'isisd')
-rw-r--r--isisd/isis_srv6.c22
-rw-r--r--isisd/isis_srv6.h5
2 files changed, 27 insertions, 0 deletions
diff --git a/isisd/isis_srv6.c b/isisd/isis_srv6.c
index 588a8fdd40..f8e3ca90d4 100644
--- a/isisd/isis_srv6.c
+++ b/isisd/isis_srv6.c
@@ -21,6 +21,28 @@
DEFINE_MTYPE_STATIC(ISISD, ISIS_SRV6_SID, "ISIS SRv6 Segment ID");
/**
+ * Fill in SRv6 Locator TLV with information from an SRv6 locator.
+ *
+ * @param loc SRv6 Locator configuration
+ * @param loc_tlv SRv6 Locator TLV to be updated
+ */
+void isis_srv6_locator2tlv(const struct isis_srv6_locator *loc,
+ struct isis_srv6_locator_tlv *loc_tlv)
+{
+ /* Set SRv6 Locator metric */
+ loc_tlv->metric = loc->metric;
+
+ /* Set SRv6 Locator flags */
+ loc_tlv->flags = loc->flags;
+
+ /* Set SRv6 Locator algorithm */
+ loc_tlv->algorithm = loc->algorithm;
+
+ /* Set SRv6 Locator prefix */
+ loc_tlv->prefix = loc->prefix;
+}
+
+/**
* Unset the SRv6 locator for a given IS-IS area.
*
* @param area IS-IS area
diff --git a/isisd/isis_srv6.h b/isisd/isis_srv6.h
index 943a6c8b88..80184ffa5e 100644
--- a/isisd/isis_srv6.h
+++ b/isisd/isis_srv6.h
@@ -12,6 +12,8 @@
#include "lib/srv6.h"
+#include "isisd/isis_tlvs.h"
+
/* Maximum SRv6 SID Depths supported by the router */
#define SRV6_MAX_SEG_LEFT 3
#define SRV6_MAX_END_POP 3
@@ -112,4 +114,7 @@ extern void isis_srv6_area_term(struct isis_area *area);
void isis_srv6_init(void);
void isis_srv6_term(void);
+void isis_srv6_locator2tlv(const struct isis_srv6_locator *loc,
+ struct isis_srv6_locator_tlv *loc_tlv);
+
#endif /* _FRR_ISIS_SRV6_H */