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Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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RFC 4762 says that MAC address withdrawal messages can be used to
improve convergence time in VPLS networks. This patch makes ldpd send
MAC withdrawals whenever a non-pseudowire interface pertaining to a
VPLS goes down. The processing of received MAC withdrawals will be
implemented later.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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We were aborting the session upon receipt of MAC Address Withdrawal
messages. Now make the parser aware that optional TLVs are possible in
address messages.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The Unknown TLV status code is reserved for cases where we don't know
how to process a given TLV and its Unknown TLV bit is not set.
In the case of Address Messages, the Address List TLV is mandatory and
should appear before any optional TLV in the message. If that doesn't
happen the correct status notification to send is "Missing Message
Parameters" (non-fatal error).
Also, add a missing htons when creating an Address List TLV. Since the
value of TLV_TYPE_ADDRLIST is 0x0101 this missing htons wasn't noticed
earlier.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Be more clever and trigger the PDU SENT event inside send_notification()
when tcp->nbr is set. This way we can eliminate send_notification_nbr()
and always use send_notification() instead.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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