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Date: Mon, 15 Jan 2018 17:49:07 -0700 From: David Ahern <dsahern@...il.com> To: Jakub Kicinski <jakub.kicinski@...ronome.com>, davem@...emloft.net, daniel@...earbox.net, alexei.starovoitov@...il.com, netdev@...r.kernel.org Cc: oss-drivers@...ronome.com, jiri@...nulli.us, john.fastabend@...il.com, jhs@...atatu.com, gerlitz.or@...il.com, aring@...atatu.com, xiyou.wangcong@...il.com, Quentin Monnet <quentin.monnet@...ronome.com> Subject: Re: [PATCH bpf-next 11/11] selftests/bpf: add checks on extack messages for eBPF hw offload tests On 1/15/18 5:30 PM, Jakub Kicinski wrote: > A new flag ("--skip-extack") is added to the Python script so as to > allow to skip these checks. This is because extack messages cannot be > displayed by tc and ip if tools from iproute2 package were compiled > without libmnl, but we do not want this to prevent users to run the > other checks. That is unfortunate. Did you consider auto-detecting support? e.g., run a command that is known to fail and return a message. For example, $ ip ro add 1.1.1.1/32 dev eth0 onlink Error: Invalid flags for nexthop - PERVASIVE and ONLINK can not be set.
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