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authorStefano Brivio <sbrivio@redhat.com>2023-05-14 16:24:11 +0200
committerStefano Brivio <sbrivio@redhat.com>2023-05-23 16:13:28 +0200
commita7359f09489803e501c85c7158b9462c6b3df465 (patch)
treee5cb8249fe2fe0dc7d4c9cc56d6c6b3d0003f949 /netlink.h
parente8fef7525cdea5857deb3cbbbb32ab7b42cfdc1f (diff)
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conf: Don't exit if sourced default route has no gateway
If we use a template interface without a gateway on the default route, we can still offer almost complete functionality, except that, of course, we can't map the gateway address to the outer namespace or host, and that we have no obvious server address or identifier for use in DHCP's siaddr and option 54 (Server identifier, mandatory). Continue, if we have a default route but no default gateway, and imply --no-map-gw and --no-dhcp in that case. NDP responder and DHCPv6 should be able to work as usual because we require a link-local address to be present, and we'll fall back to that. Together with the previous commits implementing an actual copy of routes from the outer namespace, this should finally fix the operation of 'pasta --config-net' for cases where we have a default route on the host, but no default gateway, as it's the case for tap-style routes, including typical Wireguard endpoints. Reported-by: me@yawnt.com Link: https://bugs.passt.top/show_bug.cgi?id=49 Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'netlink.h')
0 files changed, 0 insertions, 0 deletions