netdev - [PATCH bpf-next 0/4] selftests/bpf: xsk improvements and new stats tests

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Date:   Wed, 17 Feb 2021 16:02:10 +0000
From:   Ciara Loftus <ciara.loftus@...el.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        magnus.karlsson@...el.com, bjorn@...nel.org,
        weqaar.a.janjua@...el.com
Cc:     Ciara Loftus <ciara.loftus@...el.com>
Subject: [PATCH bpf-next 0/4] selftests/bpf: xsk improvements and new stats tests

This series attempts to improve the xsk selftest framework by:
1. making the default output less verbose
2. adding an optional verbose flag to both the test_xsk.sh script and xdpxceiver app.
3. adding a 'debug' flag to the test_xsk.sh script which enables debug mode in the app.
4. changing how tests are launched - now they are launched from the xdpxceiver app
instead of the script.

Once the improvements are made, a new set of tests are added which test the xsk
statistics.

The output of the test script now looks like:

./test_xsk.sh
PREREQUISITES: [ PASS ]
1..10
ok 1 PASS: SKB NOPOLL 
ok 2 PASS: SKB POLL 
ok 3 PASS: SKB NOPOLL Socket Teardown
ok 4 PASS: SKB NOPOLL Bi-directional Sockets
ok 5 PASS: SKB NOPOLL Stats
ok 6 PASS: DRV NOPOLL 
ok 7 PASS: DRV POLL 
ok 8 PASS: DRV NOPOLL Socket Teardown
ok 9 PASS: DRV NOPOLL Bi-directional Sockets
ok 10 PASS: DRV NOPOLL Stats
# Totals: pass:10 fail:0 xfail:0 xpass:0 skip:0 error:0
XSK KSELFTESTS: [ PASS ]

This series applies on commit b646acd5eb48ec49ef90404336d7e8ee502ecd05


Ciara Loftus (3):
  selftests/bpf: expose debug arg to shell script for xsk tests
  selftests/bpf: restructure xsk selftests
  selftests/bpf: introduce xsk statistics tests

Magnus Karlsson (1):
  selftest/bpf: make xsk tests less verbose

 tools/testing/selftests/bpf/test_xsk.sh    | 129 ++------
 tools/testing/selftests/bpf/xdpxceiver.c   | 350 +++++++++++++++------
 tools/testing/selftests/bpf/xdpxceiver.h   |  53 +++-
 tools/testing/selftests/bpf/xsk_prereqs.sh |  30 +-
 4 files changed, 309 insertions(+), 253 deletions(-)

-- 
2.17.1