Commit cdcf1121 authored by Rana Shahout's avatar Rana Shahout Committed by David S. Miller

net/mlx5e: Validate BW weight values of ETS

Valid weight assigned to ETS TClass values are 1-100

Fixes: 08fb1dac ('net/mlx5e: Support DCBNL IEEE ETS')
Signed-off-by: default avatarRana Shahout <ranas@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7ccdd084
......@@ -145,7 +145,6 @@ struct mlx5e_umr_wqe {
#ifdef CONFIG_MLX5_CORE_EN_DCB
#define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
#define MLX5E_MIN_BW_ALLOC 1 /* Min percentage of BW allocation */
#endif
struct mlx5e_params {
......
......@@ -96,7 +96,7 @@ static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw,
tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC;
break;
case IEEE_8021QAZ_TSA_ETS:
tc_tx_bw[i] = ets->tc_tx_bw[i] ?: MLX5E_MIN_BW_ALLOC;
tc_tx_bw[i] = ets->tc_tx_bw[i];
break;
}
}
......@@ -140,8 +140,12 @@ static int mlx5e_dbcnl_validate_ets(struct ieee_ets *ets)
/* Validate Bandwidth Sum */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS)
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {
if (!ets->tc_tx_bw[i])
return -EINVAL;
bw_sum += ets->tc_tx_bw[i];
}
}
if (bw_sum != 0 && bw_sum != 100)
......
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