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OSPF: DD seqnum should be initialized only for first attempts

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After SeqNumberMismatch/BadLSReq, we should continue with the old
seqnum++. The old code tries to do that by n->adj, but it was set
nowhere.
This commit is contained in:
Ondrej Zajicek (work) 2019-02-03 16:20:37 +01:00
parent 267da8138d
commit 9c94583a3d
2 changed files with 2 additions and 3 deletions
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4
proto/ospf/neighbor.c
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@ -176,8 +176,8 @@ ospf_neigh_chstate(struct ospf_neighbor *n, u8 state)
if (state == NEIGHBOR_EXSTART) if (state == NEIGHBOR_EXSTART)
{ {
/* First time adjacency */ /* First time adjacency attempt */
if (n->adj == 0) if (old_state < NEIGHBOR_EXSTART)
n->dds = random_u32(); n->dds = random_u32();
n->dds++; n->dds++;

1
proto/ospf/ospf.h
View File

@ -353,7 +353,6 @@ struct ospf_neighbor
u32 rid; /* Router ID */ u32 rid; /* Router ID */
ip_addr ip; /* IP of it's interface */ ip_addr ip; /* IP of it's interface */
u8 priority; /* Priority */ u8 priority; /* Priority */
u8 adj; /* built adjacency? */
u32 options; /* Options received */ u32 options; /* Options received */
/* Entries dr and bdr store IP addresses in OSPFv2 and router IDs in /* Entries dr and bdr store IP addresses in OSPFv2 and router IDs in