OSPF: Redesign LSA checksumming

New LSA checksumming code separates generic Fletcher-16 and OSPF-specific
code and avoids back and forth endianity conversions, making it much more
readable and also several times faster.

1 files changed, 3 insertions, 3 deletions

diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index 0613d34d..8119cfa6 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -129,7 +129,7 @@ ospf_advance_lsa(struct ospf_proto *p, struct top_hash_entry *en, struct ospf_ls
       en->lsa.age = 0;
       en->init_age = 0;
       en->inst_time = now;
-      lsasum_calculate(&en->lsa, en->lsa_body);
+      lsa_generate_checksum(&en->lsa, en->lsa_body);
 
       OSPF_TRACE(D_EVENTS, "Advancing LSA: Type: %04x, Id: %R, Rt: %R, Seq: %08x",
 		 en->lsa_type, en->lsa.id, en->lsa.rt, en->lsa.sn);
@@ -238,7 +238,7 @@ ospf_do_originate_lsa(struct ospf_proto *p, struct top_hash_entry *en, void *lsa
   en->lsa.age = 0;
   en->init_age = 0;
   en->inst_time = now;
-  lsasum_calculate(&en->lsa, en->lsa_body);
+  lsa_generate_checksum(&en->lsa, en->lsa_body);
 
   OSPF_TRACE(D_EVENTS, "Originating LSA: Type: %04x, Id: %R, Rt: %R, Seq: %08x",
 	     en->lsa_type, en->lsa.id, en->lsa.rt, en->lsa.sn);
@@ -382,7 +382,7 @@ ospf_refresh_lsa(struct ospf_proto *p, struct top_hash_entry *en)
   en->lsa.age = 0;
   en->init_age = 0;
   en->inst_time = now;
-  lsasum_calculate(&en->lsa, en->lsa_body);
+  lsa_generate_checksum(&en->lsa, en->lsa_body);
   ospf_flood_lsa(p, en, NULL);
 }