isisd: ignore the unrecognized TLVs

When processing LSPDUs, the unrecognized TLVs/sub-TLVs should be
silently ignored.

In parse_tlvs(), ISIS_WARNING is returned once an unrecognized TLV
exists. It breaks the processing in lsp_authentication_check() and
lsp_update_data(). So remove it.

Signed-off-by: Feng Lu <lu.feng@6wind.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
1 file changed