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authorIdo Schimmel <idosch@mellanox.com>2016-07-15 11:15:01 +0200
committerDavid S. Miller <davem@davemloft.net>2016-07-15 14:49:51 -0700
commit28f5275e4aab97680c8243ec26e202e44c99e5bf (patch)
tree0fd8e9af3a48345e7e849d64c23d4bcaae706d5b
parent7347180dcaed9c5582732f9372ac940b9b1a907d (diff)
mlxsw: spectrum: Prevent overwrite of DCB capability fields
The number of supported traffic classes that can have ETS and PFC simultaneously enabled is not subject to user configuration, so make sure we always initialize them to the correct values following a set operation. Fixes: 8e8dfe9fdf06 ("mlxsw: spectrum: Add IEEE 802.1Qaz ETS support") Fixes: d81a6bdb87ce ("mlxsw: spectrum: Add IEEE 802.1Qbb PFC support") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
index 5d4b1e7f59f9..4af3f2728e47 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
@@ -249,6 +249,7 @@ static int mlxsw_sp_dcbnl_ieee_setets(struct net_device *dev,
return err;
memcpy(mlxsw_sp_port->dcb.ets, ets, sizeof(*ets));
+ mlxsw_sp_port->dcb.ets->ets_cap = IEEE_8021QAZ_MAX_TCS;
return 0;
}
@@ -372,6 +373,7 @@ static int mlxsw_sp_dcbnl_ieee_setpfc(struct net_device *dev,
}
memcpy(mlxsw_sp_port->dcb.pfc, pfc, sizeof(*pfc));
+ mlxsw_sp_port->dcb.pfc->pfc_cap = IEEE_8021QAZ_MAX_TCS;
return 0;