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soreuseport: BPF selection functional test for TCP

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Unfortunately the existing test relied on packet payload in order to
map incoming packets to sockets.  In order to get this to work with TCP,
TCP_FASTOPEN needed to be used.

Since the fast open path is slightly different than the standard TCP path,
I created a second test which sends to reuseport group members based
on receiving cpu core id.  This will probably serve as a better
real-world example use as well.

Signed-off-by: Craig Gallek <kraig@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Craig Gallek
2016-02-10 11:50:41 -05:00
committed by David S. Miller
parent c125e80b88
commit 4b2a6aed21
4 changed files with 370 additions and 8 deletions
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tools/testing/selftests/net/.gitignore vendored
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@@ -2,3 +2,4 @@ socket
psock_fanout
psock_tpacket
reuseport_bpf
reuseport_bpf_cpu