Commit db7284a6 authored by Kurt Kanzenbach's avatar Kurt Kanzenbach Committed by David S. Miller
Browse files

net: dsa: hellcreek: Offload bridge port flags 



The switch implements unicast and multicast filtering per port.
Add support for it. By default filtering is disabled.

Signed-off-by: default avatarKurt Kanzenbach <kurt@kmk-computers.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2117fce8

drivers/net/dsa/hirschmann/hellcreek.c

+104 −25
Original line number Diff line number Diff line
@@ -596,6 +596,83 @@ static void hellcreek_setup_vlan_membership(struct dsa_switch *ds, int port, 
		hellcreek_unapply_vlan(hellcreek, upstream, vid);

}



static void hellcreek_port_set_ucast_flood(struct hellcreek *hellcreek,

					   int port, bool enable)

{

	struct hellcreek_port *hellcreek_port;

	u16 val;



	hellcreek_port = &hellcreek->ports[port];



	dev_dbg(hellcreek->dev, "%s unicast flooding on port %d\n",

		enable ? "Enable" : "Disable", port);



	mutex_lock(&hellcreek->reg_lock);



	hellcreek_select_port(hellcreek, port);

	val = hellcreek_port->ptcfg;

	if (enable)

		val &= ~HR_PTCFG_UUC_FLT;

	else

		val |= HR_PTCFG_UUC_FLT;

	hellcreek_write(hellcreek, val, HR_PTCFG);

	hellcreek_port->ptcfg = val;



	mutex_unlock(&hellcreek->reg_lock);

}



static void hellcreek_port_set_mcast_flood(struct hellcreek *hellcreek,

					   int port, bool enable)

{

	struct hellcreek_port *hellcreek_port;

	u16 val;



	hellcreek_port = &hellcreek->ports[port];



	dev_dbg(hellcreek->dev, "%s multicast flooding on port %d\n",

		enable ? "Enable" : "Disable", port);



	mutex_lock(&hellcreek->reg_lock);



	hellcreek_select_port(hellcreek, port);

	val = hellcreek_port->ptcfg;

	if (enable)

		val &= ~HR_PTCFG_UMC_FLT;

	else

		val |= HR_PTCFG_UMC_FLT;

	hellcreek_write(hellcreek, val, HR_PTCFG);

	hellcreek_port->ptcfg = val;



	mutex_unlock(&hellcreek->reg_lock);

}



static int hellcreek_pre_bridge_flags(struct dsa_switch *ds, int port,

				      struct switchdev_brport_flags flags,

				      struct netlink_ext_ack *extack)

{

	if (flags.mask & ~(BR_FLOOD | BR_MCAST_FLOOD))

		return -EINVAL;



	return 0;

}



static int hellcreek_bridge_flags(struct dsa_switch *ds, int port,

				  struct switchdev_brport_flags flags,

				  struct netlink_ext_ack *extack)

{

	struct hellcreek *hellcreek = ds->priv;



	if (flags.mask & BR_FLOOD)

		hellcreek_port_set_ucast_flood(hellcreek, port,

					       !!(flags.val & BR_FLOOD));



	if (flags.mask & BR_MCAST_FLOOD)

		hellcreek_port_set_mcast_flood(hellcreek, port,

					       !!(flags.val & BR_MCAST_FLOOD));



	return 0;

}



static int hellcreek_port_bridge_join(struct dsa_switch *ds, int port,

				      struct net_device *br)

{
@@ -1661,6 +1738,7 @@ static const struct dsa_switch_ops hellcreek_ds_ops = { 
	.get_tag_protocol      = hellcreek_get_tag_protocol,

	.get_ts_info	       = hellcreek_get_ts_info,

	.phylink_validate      = hellcreek_phylink_validate,

	.port_bridge_flags     = hellcreek_bridge_flags,

	.port_bridge_join      = hellcreek_port_bridge_join,

	.port_bridge_leave     = hellcreek_port_bridge_leave,

	.port_disable	       = hellcreek_port_disable,
@@ -1670,6 +1748,7 @@ static const struct dsa_switch_ops hellcreek_ds_ops = { 
	.port_fdb_dump	       = hellcreek_fdb_dump,

	.port_hwtstamp_set     = hellcreek_port_hwtstamp_set,

	.port_hwtstamp_get     = hellcreek_port_hwtstamp_get,

	.port_pre_bridge_flags = hellcreek_pre_bridge_flags,

	.port_prechangeupper   = hellcreek_port_prechangeupper,

	.port_rxtstamp	       = hellcreek_port_rxtstamp,

	.port_setup_tc	       = hellcreek_port_setup_tc,