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[net-next,0/6] mlxsw: Two sampling fixes

Message ID 20210329100948.355486-1-idosch@idosch.org
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Series mlxsw: Two sampling fixes | expand

Message

Ido Schimmel March 29, 2021, 10:09 a.m. UTC 
From: Ido Schimmel <idosch@nvidia.com>

This patchset fixes two bugs in recent sampling submissions.

The first fix, in patch #3, prevents matchall rules with sample action
to be added in front of flower rules on egress. Patches #1-#2 are
preparations meant at avoiding similar bugs in the future. Patch #4 is a
selftest.

The second fix, in patch #5, prevents sampling from being enabled on a
port if already enabled. Patch #6 is a selftest.

Ido Schimmel (6):
  mlxsw: spectrum_matchall: Perform protocol check earlier
  mlxsw: spectrum_matchall: Convert if statements to a switch statement
  mlxsw: spectrum_matchall: Perform priority checks earlier
  selftests: mlxsw: Test matchall failure with protocol match
  mlxsw: spectrum: Veto sampling if already enabled on port
  selftests: mlxsw: Test vetoing of double sampling

 .../net/ethernet/mellanox/mlxsw/spectrum.c    |  5 ++
 .../mellanox/mlxsw/spectrum_matchall.c        | 46 ++++++++++---------
 .../drivers/net/mlxsw/tc_restrictions.sh      | 17 +++++++
 .../selftests/drivers/net/mlxsw/tc_sample.sh  | 30 ++++++++++++
 4 files changed, 76 insertions(+), 22 deletions(-)