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net/mlx5e: Reject unsupported CB Shaper TSA in ETS validation

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Credit Based (CB) TSA is not supported by the mlx5 driver, so reject
any configurations that specify it.

Fixes: 08fb1dacdd ("net/mlx5e: Support DCBNL IEEE ETS")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/20260717075125.1244877-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alexei Lazar 2026-07-17 10:51:25 +03:00 committed by Jakub Kicinski
parent ffb1873b2d
commit 9173e1d3c7
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
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@ -324,6 +324,14 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev,
}
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_CB_SHAPER) {
netdev_err(netdev,
"Failed to validate ETS: CB Shaper is not supported\n");
return -EOPNOTSUPP;
}
}
/* Validate Bandwidth Sum */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {