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mlxsw: spectrum: Disable learning according to STP state

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commit 454911333b1d86e1d58a557be271bc6b7e9e7f10 upstream.

When port is put into LISTENING state it shouldn't populate the FDB, so
set the port's STP state in hardware to DISCARDING instead of LEARNING.
It will therefore keep listening to BPDU packets, but discard other
non-control packets and won't perform any learning.

Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ido Schimmel 2016-01-27 15:20:20 +01:00 committed by Greg Kroah-Hartman
parent 2b4ff0796f
commit 4d1809cb88
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
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@ -90,10 +90,10 @@ static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
case BR_STATE_FORWARDING:
spms_state = MLXSW_REG_SPMS_STATE_FORWARDING;
break;
case BR_STATE_LISTENING: /* fall-through */
case BR_STATE_LEARNING:
spms_state = MLXSW_REG_SPMS_STATE_LEARNING;
break;
case BR_STATE_LISTENING: /* fall-through */
case BR_STATE_DISABLED: /* fall-through */
case BR_STATE_BLOCKING:
spms_state = MLXSW_REG_SPMS_STATE_DISCARDING;