diff options
Diffstat (limited to 'drivers/net/dsa/qca/qca8k-8xxx.c')
-rw-r--r-- | drivers/net/dsa/qca/qca8k-8xxx.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index 1815863502c9..bf4dd1cd0f9d 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -442,217 +442,6 @@ static struct regmap_config qca8k_regmap_config = { }; static int -qca8k_fdb_read(struct qca8k_priv *priv, struct qca8k_fdb *fdb) -{ - u32 reg[3]; - int ret; - - /* load the ARL table into an array */ - ret = qca8k_bulk_read(priv, QCA8K_REG_ATU_DATA0, reg, sizeof(reg)); - if (ret) - return ret; - - /* vid - 83:72 */ - fdb->vid = FIELD_GET(QCA8K_ATU_VID_MASK, reg[2]); - /* aging - 67:64 */ - fdb->aging = FIELD_GET(QCA8K_ATU_STATUS_MASK, reg[2]); - /* portmask - 54:48 */ - fdb->port_mask = FIELD_GET(QCA8K_ATU_PORT_MASK, reg[1]); - /* mac - 47:0 */ - fdb->mac[0] = FIELD_GET(QCA8K_ATU_ADDR0_MASK, reg[1]); - fdb->mac[1] = FIELD_GET(QCA8K_ATU_ADDR1_MASK, reg[1]); - fdb->mac[2] = FIELD_GET(QCA8K_ATU_ADDR2_MASK, reg[0]); - fdb->mac[3] = FIELD_GET(QCA8K_ATU_ADDR3_MASK, reg[0]); - fdb->mac[4] = FIELD_GET(QCA8K_ATU_ADDR4_MASK, reg[0]); - fdb->mac[5] = FIELD_GET(QCA8K_ATU_ADDR5_MASK, reg[0]); - - return 0; -} - -static void -qca8k_fdb_write(struct qca8k_priv *priv, u16 vid, u8 port_mask, const u8 *mac, - u8 aging) -{ - u32 reg[3] = { 0 }; - - /* vid - 83:72 */ - reg[2] = FIELD_PREP(QCA8K_ATU_VID_MASK, vid); - /* aging - 67:64 */ - reg[2] |= FIELD_PREP(QCA8K_ATU_STATUS_MASK, aging); - /* portmask - 54:48 */ - reg[1] = FIELD_PREP(QCA8K_ATU_PORT_MASK, port_mask); - /* mac - 47:0 */ - reg[1] |= FIELD_PREP(QCA8K_ATU_ADDR0_MASK, mac[0]); - reg[1] |= FIELD_PREP(QCA8K_ATU_ADDR1_MASK, mac[1]); - reg[0] |= FIELD_PREP(QCA8K_ATU_ADDR2_MASK, mac[2]); - reg[0] |= FIELD_PREP(QCA8K_ATU_ADDR3_MASK, mac[3]); - reg[0] |= FIELD_PREP(QCA8K_ATU_ADDR4_MASK, mac[4]); - reg[0] |= FIELD_PREP(QCA8K_ATU_ADDR5_MASK, mac[5]); - - /* load the array into the ARL table */ - qca8k_bulk_write(priv, QCA8K_REG_ATU_DATA0, reg, sizeof(reg)); -} - -static int -qca8k_fdb_access(struct qca8k_priv *priv, enum qca8k_fdb_cmd cmd, int port) -{ - u32 reg; - int ret; - - /* Set the command and FDB index */ - reg = QCA8K_ATU_FUNC_BUSY; - reg |= cmd; - if (port >= 0) { - reg |= QCA8K_ATU_FUNC_PORT_EN; - reg |= FIELD_PREP(QCA8K_ATU_FUNC_PORT_MASK, port); - } - - /* Write the function register triggering the table access */ - ret = qca8k_write(priv, QCA8K_REG_ATU_FUNC, reg); - if (ret) - return ret; - - /* wait for completion */ - ret = qca8k_busy_wait(priv, QCA8K_REG_ATU_FUNC, QCA8K_ATU_FUNC_BUSY); - if (ret) - return ret; - - /* Check for table full violation when adding an entry */ - if (cmd == QCA8K_FDB_LOAD) { - ret = qca8k_read(priv, QCA8K_REG_ATU_FUNC, ®); - if (ret < 0) - return ret; - if (reg & QCA8K_ATU_FUNC_FULL) - return -1; - } - - return 0; -} - -static int -qca8k_fdb_next(struct qca8k_priv *priv, struct qca8k_fdb *fdb, int port) -{ - int ret; - - qca8k_fdb_write(priv, fdb->vid, fdb->port_mask, fdb->mac, fdb->aging); - ret = qca8k_fdb_access(priv, QCA8K_FDB_NEXT, port); - if (ret < 0) - return ret; - - return qca8k_fdb_read(priv, fdb); -} - -static int -qca8k_fdb_add(struct qca8k_priv *priv, const u8 *mac, u16 port_mask, - u16 vid, u8 aging) -{ - int ret; - - mutex_lock(&priv->reg_mutex); - qca8k_fdb_write(priv, vid, port_mask, mac, aging); - ret = qca8k_fdb_access(priv, QCA8K_FDB_LOAD, -1); - mutex_unlock(&priv->reg_mutex); - - return ret; -} - -static int -qca8k_fdb_del(struct qca8k_priv *priv, const u8 *mac, u16 port_mask, u16 vid) -{ - int ret; - - mutex_lock(&priv->reg_mutex); - qca8k_fdb_write(priv, vid, port_mask, mac, 0); - ret = qca8k_fdb_access(priv, QCA8K_FDB_PURGE, -1); - mutex_unlock(&priv->reg_mutex); - - return ret; -} - -static void -qca8k_fdb_flush(struct qca8k_priv *priv) -{ - mutex_lock(&priv->reg_mutex); - qca8k_fdb_access(priv, QCA8K_FDB_FLUSH, -1); - mutex_unlock(&priv->reg_mutex); -} - -static int -qca8k_fdb_search_and_insert(struct qca8k_priv *priv, u8 port_mask, - const u8 *mac, u16 vid) -{ - struct qca8k_fdb fdb = { 0 }; - int ret; - - mutex_lock(&priv->reg_mutex); - - qca8k_fdb_write(priv, vid, 0, mac, 0); - ret = qca8k_fdb_access(priv, QCA8K_FDB_SEARCH, -1); - if (ret < 0) - goto exit; - - ret = qca8k_fdb_read(priv, &fdb); - if (ret < 0) - goto exit; - - /* Rule exist. Delete first */ - if (!fdb.aging) { - ret = qca8k_fdb_access(priv, QCA8K_FDB_PURGE, -1); - if (ret) - goto exit; - } - - /* Add port to fdb portmask */ - fdb.port_mask |= port_mask; - - qca8k_fdb_write(priv, vid, fdb.port_mask, mac, fdb.aging); - ret = qca8k_fdb_access(priv, QCA8K_FDB_LOAD, -1); - -exit: - mutex_unlock(&priv->reg_mutex); - return ret; -} - -static int -qca8k_fdb_search_and_del(struct qca8k_priv *priv, u8 port_mask, - const u8 *mac, u16 vid) -{ - struct qca8k_fdb fdb = { 0 }; - int ret; - - mutex_lock(&priv->reg_mutex); - - qca8k_fdb_write(priv, vid, 0, mac, 0); - ret = qca8k_fdb_access(priv, QCA8K_FDB_SEARCH, -1); - if (ret < 0) - goto exit; - - /* Rule doesn't exist. Why delete? */ - if (!fdb.aging) { - ret = -EINVAL; - goto exit; - } - - ret = qca8k_fdb_access(priv, QCA8K_FDB_PURGE, -1); - if (ret) - goto exit; - - /* Only port in the rule is this port. Don't re insert */ - if (fdb.port_mask == port_mask) - goto exit; - - /* Remove port from port mask */ - fdb.port_mask &= ~port_mask; - - qca8k_fdb_write(priv, vid, fdb.port_mask, mac, fdb.aging); - ret = qca8k_fdb_access(priv, QCA8K_FDB_LOAD, -1); - -exit: - mutex_unlock(&priv->reg_mutex); - return ret; -} - -static int qca8k_vlan_access(struct qca8k_priv *priv, enum qca8k_vlan_cmd cmd, u16 vid) { u32 reg; @@ -1898,101 +1687,6 @@ exit: return ret; } -static void -qca8k_port_fast_age(struct dsa_switch *ds, int port) -{ - struct qca8k_priv *priv = ds->priv; - - mutex_lock(&priv->reg_mutex); - qca8k_fdb_access(priv, QCA8K_FDB_FLUSH_PORT, port); - mutex_unlock(&priv->reg_mutex); -} - -static int -qca8k_port_fdb_insert(struct qca8k_priv *priv, const u8 *addr, - u16 port_mask, u16 vid) -{ - /* Set the vid to the port vlan id if no vid is set */ - if (!vid) - vid = QCA8K_PORT_VID_DEF; - - return qca8k_fdb_add(priv, addr, port_mask, vid, - QCA8K_ATU_STATUS_STATIC); -} - -static int -qca8k_port_fdb_add(struct dsa_switch *ds, int port, - const unsigned char *addr, u16 vid, - struct dsa_db db) -{ - struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv; - u16 port_mask = BIT(port); - - return qca8k_port_fdb_insert(priv, addr, port_mask, vid); -} - -static int -qca8k_port_fdb_del(struct dsa_switch *ds, int port, - const unsigned char *addr, u16 vid, - struct dsa_db db) -{ - struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv; - u16 port_mask = BIT(port); - - if (!vid) - vid = QCA8K_PORT_VID_DEF; - - return qca8k_fdb_del(priv, addr, port_mask, vid); -} - -static int -qca8k_port_fdb_dump(struct dsa_switch *ds, int port, - dsa_fdb_dump_cb_t *cb, void *data) -{ - struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv; - struct qca8k_fdb _fdb = { 0 }; - int cnt = QCA8K_NUM_FDB_RECORDS; - bool is_static; - int ret = 0; - - mutex_lock(&priv->reg_mutex); - while (cnt-- && !qca8k_fdb_next(priv, &_fdb, port)) { - if (!_fdb.aging) - break; - is_static = (_fdb.aging == QCA8K_ATU_STATUS_STATIC); - ret = cb(_fdb.mac, _fdb.vid, is_static, data); - if (ret) - break; - } - mutex_unlock(&priv->reg_mutex); - - return 0; -} - -static int -qca8k_port_mdb_add(struct dsa_switch *ds, int port, - const struct switchdev_obj_port_mdb *mdb, - struct dsa_db db) -{ - struct qca8k_priv *priv = ds->priv; - const u8 *addr = mdb->addr; - u16 vid = mdb->vid; - - return qca8k_fdb_search_and_insert(priv, BIT(port), addr, vid); -} - -static int -qca8k_port_mdb_del(struct dsa_switch *ds, int port, - const struct switchdev_obj_port_mdb *mdb, - struct dsa_db db) -{ - struct qca8k_priv *priv = ds->priv; - const u8 *addr = mdb->addr; - u16 vid = mdb->vid; - - return qca8k_fdb_search_and_del(priv, BIT(port), addr, vid); -} - static int qca8k_port_mirror_add(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror, |