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Commit 87820510 authored Aug 06, 2015 by Vivien Didelot Committed by David S. Miller Aug 09, 2015

net: dsa: mv88e6xxx: rework FDB add/del operations



Add a low level function for the ATU Load operation, and provide FDB add
and delete wrappers functions.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6630e236

drivers/net/dsa/mv88e6171.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -116,6 +116,8 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
		.port_join_bridge = mv88e6xxx_join_bridge,
		.port_leave_bridge = mv88e6xxx_leave_bridge,
		.port_stp_update = mv88e6xxx_port_stp_update,
		.port_fdb_add = mv88e6xxx_port_fdb_add,
		.port_fdb_del = mv88e6xxx_port_fdb_del,
		.port_fdb_getnext = mv88e6xxx_port_fdb_getnext,
		};

drivers/net/dsa/mv88e6352.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -341,6 +341,8 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
		.port_join_bridge = mv88e6xxx_join_bridge,
		.port_leave_bridge = mv88e6xxx_leave_bridge,
		.port_stp_update = mv88e6xxx_port_stp_update,
		.port_fdb_add = mv88e6xxx_port_fdb_add,
		.port_fdb_del = mv88e6xxx_port_fdb_del,
		.port_fdb_getnext = mv88e6xxx_port_fdb_getnext,
		};

drivers/net/dsa/mv88e6xxx.c

+72 −38

Original line number	Diff line number	Diff line
		@@ -1214,59 +1214,42 @@ static int _mv88e6xxx_atu_mac_read(struct dsa_switch *ds, u8 addr[ETH_ALEN])
		return 0;
		}

		static int __mv88e6xxx_port_fdb_cmd(struct dsa_switch *ds, int port,
		const unsigned char *addr, int state)
		static int _mv88e6xxx_atu_load(struct dsa_switch *ds,
		struct mv88e6xxx_atu_entry *entry)
		{
		struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
		u8 fid = ps->fid[port];
		u16 reg = 0;
		int ret;

		ret = _mv88e6xxx_atu_wait(ds);
		if (ret < 0)
		return ret;

		ret = _mv88e6xxx_atu_mac_write(ds, addr);
		ret = _mv88e6xxx_atu_mac_write(ds, entry->mac);
		if (ret < 0)
		return ret;

		ret = _mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_ATU_DATA,
		(0x10 << port) \| state);
		if (ret)
		return ret;

		ret = _mv88e6xxx_atu_cmd(ds, fid, GLOBAL_ATU_OP_LOAD_DB);
		if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) {
		unsigned int mask, shift;

		return ret;
		if (entry->trunk) {
		reg \|= GLOBAL_ATU_DATA_TRUNK;
		mask = GLOBAL_ATU_DATA_TRUNK_ID_MASK;
		shift = GLOBAL_ATU_DATA_TRUNK_ID_SHIFT;
		} else {
		mask = GLOBAL_ATU_DATA_PORT_VECTOR_MASK;
		shift = GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT;
		}

		int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
		const unsigned char *addr, u16 vid)
		{
		int state = is_multicast_ether_addr(addr) ?
		GLOBAL_ATU_DATA_STATE_MC_STATIC :
		GLOBAL_ATU_DATA_STATE_UC_STATIC;
		struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
		int ret;

		mutex_lock(&ps->smi_mutex);
		ret = __mv88e6xxx_port_fdb_cmd(ds, port, addr, state);
		mutex_unlock(&ps->smi_mutex);

		return ret;
		reg \|= (entry->portv_trunkid << shift) & mask;
		}

		int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
		const unsigned char *addr, u16 vid)
		{
		struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
		int ret;

		mutex_lock(&ps->smi_mutex);
		ret = __mv88e6xxx_port_fdb_cmd(ds, port, addr,
		GLOBAL_ATU_DATA_STATE_UNUSED);
		mutex_unlock(&ps->smi_mutex);
		reg \|= entry->state & GLOBAL_ATU_DATA_STATE_MASK;

		ret = _mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_ATU_DATA, reg);
		if (ret < 0)
		return ret;

		return _mv88e6xxx_atu_cmd(ds, entry->fid, GLOBAL_ATU_OP_LOAD_DB);
		}

		static int _mv88e6xxx_atu_getnext(struct dsa_switch *ds, u16 fid,
		@@ -1329,6 +1312,57 @@ static int _mv88e6xxx_port_vid_to_fid(struct dsa_switch *ds, int port, u16 vid)
		return -ENOENT;
		}

		static int _mv88e6xxx_port_fdb_load(struct dsa_switch *ds, int port, u16 vid,
		const u8 addr[ETH_ALEN], u8 state)
		{
		struct mv88e6xxx_atu_entry entry = { 0 };
		int ret;

		ret = _mv88e6xxx_port_vid_to_fid(ds, port, vid);
		if (ret < 0)
		return ret;

		entry.fid = ret;
		entry.state = state;
		ether_addr_copy(entry.mac, addr);
		if (state != GLOBAL_ATU_DATA_STATE_UNUSED) {
		entry.trunk = false;
		entry.portv_trunkid = BIT(port);
		}

		return _mv88e6xxx_atu_load(ds, &entry);
		}

		int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, u16 vid,
		const u8 addr[ETH_ALEN])
		{
		struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
		u8 state = is_multicast_ether_addr(addr) ?
		GLOBAL_ATU_DATA_STATE_MC_STATIC :
		GLOBAL_ATU_DATA_STATE_UC_STATIC;
		int ret;

		mutex_lock(&ps->smi_mutex);
		ret = _mv88e6xxx_port_fdb_load(ds, port, vid, addr, state);
		mutex_unlock(&ps->smi_mutex);

		return ret;
		}

		int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, u16 vid,
		const u8 addr[ETH_ALEN])
		{
		struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
		u8 state = GLOBAL_ATU_DATA_STATE_UNUSED;
		int ret;

		mutex_lock(&ps->smi_mutex);
		ret = _mv88e6xxx_port_fdb_load(ds, port, vid, addr, state);
		mutex_unlock(&ps->smi_mutex);

		return ret;
		}

		int mv88e6xxx_port_fdb_getnext(struct dsa_switch ds, int port, u16 vid,
		u8 addr[ETH_ALEN], bool *is_static)
		{

drivers/net/dsa/mv88e6xxx.h

+4 −4

Original line number	Diff line number	Diff line
		@@ -422,13 +422,13 @@ int mv88e6xxx_set_eee(struct dsa_switch *ds, int port,
		int mv88e6xxx_join_bridge(struct dsa_switch *ds, int port, u32 br_port_mask);
		int mv88e6xxx_leave_bridge(struct dsa_switch *ds, int port, u32 br_port_mask);
		int mv88e6xxx_port_stp_update(struct dsa_switch *ds, int port, u8 state);
		int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
		const unsigned char *addr, u16 vid);
		int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
		const unsigned char *addr, u16 vid);
		int mv88e6xxx_phy_page_read(struct dsa_switch *ds, int port, int page, int reg);
		int mv88e6xxx_phy_page_write(struct dsa_switch *ds, int port, int page,
		int reg, int val);
		int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, u16 vid,
		const u8 addr[ETH_ALEN]);
		int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, u16 vid,
		const u8 addr[ETH_ALEN]);
		int mv88e6xxx_port_fdb_getnext(struct dsa_switch ds, int port, u16 vid,
		u8 addr[ETH_ALEN], bool *is_static);