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bfdd, nhrpd, pimd: When deleting an interface clean up

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When we delete an interface, we need to set the interface
ifindex to an internal value so that we don't end up in
a state where the re-addition of the same ifindex, due to
a rename operation, causes an infinite loop.

Fixes:#4007
Fix-Suggested-by: Saravanan K
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2019-03-28 22:08:37 -04:00
parent e4bed55b51
commit 9d6c33eadf
3 changed files with 8 additions and 2 deletions
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2
bfdd/ptm_adapter.c
View File

@ -613,6 +613,8 @@ static int bfdd_interface_update(int cmd, struct zclient *zc,
bfdd_sessions_disable_interface(ifp);
if_set_index(ifp, IFINDEX_INTERNAL);
return 0;
}

6
nhrpd/nhrp_interface.c
View File

@ -327,9 +327,11 @@ int nhrp_interface_delete(int cmd, struct zclient *client, zebra_size_t length,
return 0;
debugf(NHRP_DEBUG_IF, "if-delete: %s", ifp->name);
if_set_index(ifp, ifp->ifindex);
nhrp_interface_update(ifp);
/* if_delete(ifp); */
if_set_index(ifp, IFINDEX_INTERNAL);
return 0;
}

2
pimd/pim_zebra.c
View File

@ -150,6 +150,8 @@ static int pim_zebra_if_del(int command, struct zclient *zclient,
if (!if_is_operative(ifp))
pim_if_addr_del_all(ifp);
if_set_index(ifp, IFINDEX_INTERNAL);
return 0;
}