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nhrpd: ignore zebra updates about our routes being deleted/added

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nhrp listens for route entries to be deleted, in case some new routes
impact the current routes installed by nhrp. To prevent from
unconfiguring nhrp shortcut route, just prevent nhrp routes to be
processed.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2020-03-05 14:50:37 +00:00
parent 200334ecbb
commit d0bfe25dea
1 changed files with 4 additions and 0 deletions
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4
nhrpd/nhrp_route.c
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@ -199,6 +199,10 @@ int nhrp_route_read(ZAPI_CALLBACK_ARGS)
if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX))
return 0; return 0;
/* ignore our routes */
if (api.type == ZEBRA_ROUTE_NHRP)
return 0;
sockunion_family(&nexthop_addr) = AF_UNSPEC; sockunion_family(&nexthop_addr) = AF_UNSPEC;
if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) { if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) {
api_nh = &api.nexthops[0]; api_nh = &api.nexthops[0];