From 5da8bc3effb61f0f165ca45c80f4818a234c9f91 Mon Sep 17 00:00:00 2001 From: Inbar Karmy Date: Sun, 18 Jun 2017 09:47:35 +0300 Subject: [PATCH] net/mlx5e: DCBNL, Add debug messages log Add debug print when changing the configuration of QoS through dcbnl. Use ethtool -s msglvl hw on/off to toggle debug messages. Signed-off-by: Inbar Karmy Reviewed-by: Gal Pressman Signed-off-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/core/en_dcbnl.c | 24 ++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index b402d69a701b..c6d90b6dd80e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -241,7 +241,7 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets) u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS]; u8 tc_group[IEEE_8021QAZ_MAX_TCS]; int max_tc = mlx5_max_tc(mdev); - int err; + int err, i; mlx5e_build_tc_group(ets, tc_group, max_tc); mlx5e_build_tc_tx_bw(ets, tc_tx_bw, tc_group, max_tc); @@ -260,6 +260,14 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets) return err; memcpy(priv->dcbx.tc_tsa, ets->tc_tsa, sizeof(ets->tc_tsa)); + + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + mlx5e_dbg(HW, priv, "%s: prio_%d <=> tc_%d\n", + __func__, i, ets->prio_tc[i]); + mlx5e_dbg(HW, priv, "%s: tc_%d <=> tx_bw_%d%%, group_%d\n", + __func__, i, tc_tx_bw[i], tc_group[i]); + } + return err; } @@ -345,6 +353,11 @@ static int mlx5e_dcbnl_ieee_setpfc(struct net_device *dev, ret = mlx5_set_port_pfc(mdev, pfc->pfc_en, pfc->pfc_en); mlx5_toggle_port_link(mdev); + if (!ret) { + mlx5e_dbg(HW, priv, + "%s: PFC per priority bit mask: 0x%x\n", + __func__, pfc->pfc_en); + } return ret; } @@ -560,6 +573,11 @@ static int mlx5e_dcbnl_ieee_setmaxrate(struct net_device *netdev, } } + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + mlx5e_dbg(HW, priv, "%s: tc_%d <=> max_bw %d Gbps\n", + __func__, i, max_bw_value[i]); + } + return mlx5_modify_port_ets_rate_limit(mdev, max_bw_value, max_bw_unit); } @@ -585,6 +603,10 @@ static u8 mlx5e_dcbnl_setall(struct net_device *netdev) ets.tc_rx_bw[i] = cee_cfg->pg_bw_pct[i]; ets.tc_tsa[i] = IEEE_8021QAZ_TSA_ETS; ets.prio_tc[i] = cee_cfg->prio_to_pg_map[i]; + mlx5e_dbg(HW, priv, + "%s: Priority group %d: tx_bw %d, rx_bw %d, prio_tc %d\n", + __func__, i, ets.tc_tx_bw[i], ets.tc_rx_bw[i], + ets.prio_tc[i]); } err = mlx5e_dbcnl_validate_ets(netdev, &ets); -- 2.30.2