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Commit 28f5275e authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

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: 8e8dfe9f ("mlxsw: spectrum: Add IEEE 802.1Qaz ETS support")
Fixes: d81a6bdb ("mlxsw: spectrum: Add IEEE 802.1Qbb PFC support")
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7347180d

drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c

+2 −0
Original line number Diff line number Diff line
@@ -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;