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[ Upstream commit5133498f4a] Redirecting a packet from ingress to egress by using bpf_redirect breaks if the egress interface has an fq qdisc installed. This is the same problem as fixed in 'commit8203e2d844("net: clear skb->tstamp in forwarding paths") Clear skb->tstamp when redirecting into the egress path. Fixes:80b14dee2b("net: Add a new socket option for a future transmit time.") Fixes:fb420d5d91("tcp/fq: move back to CLOCK_MONOTONIC") Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/bpf/20191213180817.2510-1-lmb@cloudflare.com Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.