[ovs-build] Errored: booxter/ovn#4 (dhcp-broadcast - 9bd7c52)
builds at travis-ci.com
Fri Mar 6 01:26:11 UTC 2020
Build Update for booxter/ovn
Duration: 9 mins and 50 secs
Commit: 9bd7c52 (dhcp-broadcast)
Author: Ihar Hrachyshka
Message: Broadcast DHCPREPLY when BROADCAST flag is set
As per RFC2131, section 4.1:
A server or relay agent sending or relaying a DHCP message directly
to a DHCP client (i.e., not to a relay agent specified in the
'giaddr' field) SHOULD examine the BROADCAST bit in the 'flags'
field. If this bit is set to 1, the DHCP message SHOULD be sent as
an IP broadcast using an IP broadcast address (preferably 0xffffffff)
as the IP destination address and the link-layer broadcast address as
the link-layer destination address.
This patch changes destination IP address to 255.255.255.255 when client
set BROADCAST flag in their DHCPREQUEST. Note: the offered IP address is
still part of the DHCP payload.
While the new DHCP response is sent as a broadcast IP frame, it's
handled locally, as any other DHCP reply by the native responder.
Meaning, the reply is sent to the client port that initiated the DHCP
Signed-off-by: Ihar Hrachyshka <ihrachys at redhat.com>
* Apply ntohs to constant to help compiler optimize
* Clarified in commit message that the IP frame is still sent to
* Introduced DHCP_BROADCAST_FLAG macro.
* Converted DHCP_FLAGS_BROADCAST into a static function.
* Used full sentences in comments (added missing dot).
* Negated if-condition to handle least common case in else branch.
* Fixed build with --enable-sparse --enable-Werror.
* Updated ovn-northd documentation to reflect new flow actions.
* Fixed line length warning reported by checkpatch.
View the changeset: https://github.com/booxter/ovn/compare/591a6bc496db...9bd7c5248ea9
View the full build log and details: https://travis-ci.com/booxter/ovn/builds/152068806?utm_medium=notification&utm_source=email
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