diff options
Diffstat (limited to 'drivers/net/dsa/vitesse-vsc73xx-core.c')
| -rw-r--r-- | drivers/net/dsa/vitesse-vsc73xx-core.c | 492 |
1 files changed, 475 insertions, 17 deletions
diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index e3f95d2cc2c1..e4b98fd51643 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -21,6 +21,7 @@ #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/bitops.h> +#include <linux/bitfield.h> #include <linux/if_bridge.h> #include <linux/if_vlan.h> #include <linux/etherdevice.h> @@ -36,7 +37,7 @@ #define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */ #define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */ #define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */ -#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */ +#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */ #define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */ #define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */ @@ -45,6 +46,8 @@ #define VSC73XX_BLOCK_MII_EXTERNAL 0x1 /* External MDIO subblock */ #define CPU_PORT 6 /* CPU port */ +#define VSC73XX_NUM_FDB_ROWS 2048 +#define VSC73XX_NUM_BUCKETS 4 /* MAC Block registers */ #define VSC73XX_MAC_CFG 0x00 @@ -196,6 +199,40 @@ #define VSC73XX_SRCMASKS_MIRROR BIT(26) #define VSC73XX_SRCMASKS_PORTS_MASK GENMASK(7, 0) +#define VSC73XX_MACHDATA_VID GENMASK(27, 16) +#define VSC73XX_MACHDATA_MAC0 GENMASK(15, 8) +#define VSC73XX_MACHDATA_MAC1 GENMASK(7, 0) +#define VSC73XX_MACLDATA_MAC2 GENMASK(31, 24) +#define VSC73XX_MACLDATA_MAC3 GENMASK(23, 16) +#define VSC73XX_MACLDATA_MAC4 GENMASK(15, 8) +#define VSC73XX_MACLDATA_MAC5 GENMASK(7, 0) + +#define VSC73XX_HASH0_VID_FROM_MASK GENMASK(5, 0) +#define VSC73XX_HASH0_MAC0_FROM_MASK GENMASK(7, 4) +#define VSC73XX_HASH1_MAC0_FROM_MASK GENMASK(3, 0) +#define VSC73XX_HASH1_MAC1_FROM_MASK GENMASK(7, 1) +#define VSC73XX_HASH2_MAC1_FROM_MASK BIT(0) +#define VSC73XX_HASH2_MAC2_FROM_MASK GENMASK(7, 0) +#define VSC73XX_HASH2_MAC3_FROM_MASK GENMASK(7, 6) +#define VSC73XX_HASH3_MAC3_FROM_MASK GENMASK(5, 0) +#define VSC73XX_HASH3_MAC4_FROM_MASK GENMASK(7, 3) +#define VSC73XX_HASH4_MAC4_FROM_MASK GENMASK(2, 0) + +#define VSC73XX_HASH0_VID_TO_MASK GENMASK(9, 4) +#define VSC73XX_HASH0_MAC0_TO_MASK GENMASK(3, 0) +#define VSC73XX_HASH1_MAC0_TO_MASK GENMASK(10, 7) +#define VSC73XX_HASH1_MAC1_TO_MASK GENMASK(6, 0) +#define VSC73XX_HASH2_MAC1_TO_MASK BIT(10) +#define VSC73XX_HASH2_MAC2_TO_MASK GENMASK(9, 2) +#define VSC73XX_HASH2_MAC3_TO_MASK GENMASK(1, 0) +#define VSC73XX_HASH3_MAC3_TO_MASK GENMASK(10, 5) +#define VSC73XX_HASH3_MAC4_TO_MASK GENMASK(4, 0) +#define VSC73XX_HASH4_MAC4_TO_MASK GENMASK(10, 8) + +#define VSC73XX_MACTINDX_SHADOW BIT(13) +#define VSC73XX_MACTINDX_BUCKET_MSK GENMASK(12, 11) +#define VSC73XX_MACTINDX_INDEX_MSK GENMASK(10, 0) + #define VSC73XX_MACACCESS_CPU_COPY BIT(14) #define VSC73XX_MACACCESS_FWD_KILL BIT(13) #define VSC73XX_MACACCESS_IGNORE_VLAN BIT(12) @@ -225,9 +262,27 @@ #define VSC73XX_VLANACCESS_VLAN_TBL_CMD_CLEAR_TABLE 3 /* MII block 3 registers */ -#define VSC73XX_MII_STAT 0x0 -#define VSC73XX_MII_CMD 0x1 -#define VSC73XX_MII_DATA 0x2 +#define VSC73XX_MII_STAT 0x0 +#define VSC73XX_MII_CMD 0x1 +#define VSC73XX_MII_DATA 0x2 +#define VSC73XX_MII_MPRES 0x3 + +#define VSC73XX_MII_STAT_BUSY BIT(3) +#define VSC73XX_MII_STAT_READ BIT(2) +#define VSC73XX_MII_STAT_WRITE BIT(1) + +#define VSC73XX_MII_CMD_SCAN BIT(27) +#define VSC73XX_MII_CMD_OPERATION BIT(26) +#define VSC73XX_MII_CMD_PHY_ADDR GENMASK(25, 21) +#define VSC73XX_MII_CMD_PHY_REG GENMASK(20, 16) +#define VSC73XX_MII_CMD_WRITE_DATA GENMASK(15, 0) + +#define VSC73XX_MII_DATA_FAILURE BIT(16) +#define VSC73XX_MII_DATA_READ_DATA GENMASK(15, 0) + +#define VSC73XX_MII_MPRES_NOPREAMBLE BIT(6) +#define VSC73XX_MII_MPRES_PRESCALEVAL GENMASK(5, 0) +#define VSC73XX_MII_PRESCALEVAL_MIN 3 /* min allowed mdio clock prescaler */ #define VSC73XX_MII_STAT_BUSY BIT(3) @@ -313,6 +368,13 @@ struct vsc73xx_counter { const char *name; }; +struct vsc73xx_fdb { + u16 vid; + u8 port; + u8 mac[ETH_ALEN]; + bool valid; +}; + /* Counters are named according to the MIB standards where applicable. * Some counters are custom, non-standard. The standard counters are * named in accordance with RFC2819, RFC2021 and IEEE Std 802.3-2002 Annex @@ -410,13 +472,19 @@ int vsc73xx_is_addr_valid(u8 block, u8 subblock) break; case VSC73XX_BLOCK_MII: - case VSC73XX_BLOCK_CAPTURE: case VSC73XX_BLOCK_ARBITER: switch (subblock) { case 0 ... 1: return 1; } break; + case VSC73XX_BLOCK_CAPTURE: + switch (subblock) { + case 0 ... 4: + case 6 ... 7: + return 1; + } + break; } return 0; @@ -562,8 +630,11 @@ static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) return ret; /* Setting bit 26 means "read" */ - cmd = BIT(26) | (phy << 21) | (regnum << 16); - ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); + cmd = VSC73XX_MII_CMD_OPERATION | + FIELD_PREP(VSC73XX_MII_CMD_PHY_ADDR, phy) | + FIELD_PREP(VSC73XX_MII_CMD_PHY_REG, regnum); + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_CMD, cmd); if (ret) return ret; @@ -571,15 +642,16 @@ static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) if (ret) return ret; - ret = vsc73xx_read(vsc, VSC73XX_BLOCK_MII, 0, 2, &val); + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_DATA, &val); if (ret) return ret; - if (val & BIT(16)) { + if (val & VSC73XX_MII_DATA_FAILURE) { dev_err(vsc->dev, "reading reg %02x from phy%d failed\n", regnum, phy); return -EIO; } - val &= 0xFFFFU; + val &= VSC73XX_MII_DATA_READ_DATA; dev_dbg(vsc->dev, "read reg %02x from phy%d = %04x\n", regnum, phy, val); @@ -598,8 +670,11 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum, if (ret) return ret; - cmd = (phy << 21) | (regnum << 16) | val; - ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); + cmd = FIELD_PREP(VSC73XX_MII_CMD_PHY_ADDR, phy) | + FIELD_PREP(VSC73XX_MII_CMD_PHY_REG, regnum) | + FIELD_PREP(VSC73XX_MII_CMD_WRITE_DATA, val); + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_CMD, cmd); if (ret) return ret; @@ -708,15 +783,77 @@ vsc73xx_update_vlan_table(struct vsc73xx *vsc, int port, u16 vid, bool set) return vsc73xx_write_vlan_table_entry(vsc, vid, portmap); } +static int vsc73xx_configure_rgmii_port_delay(struct dsa_switch *ds) +{ + /* Keep 2.0 ns delay for backward complatibility */ + u32 tx_delay = VSC73XX_GMIIDELAY_GMII0_GTXDELAY_2_0_NS; + u32 rx_delay = VSC73XX_GMIIDELAY_GMII0_RXDELAY_2_0_NS; + struct dsa_port *dp = dsa_to_port(ds, CPU_PORT); + struct device_node *port_dn = dp->dn; + struct vsc73xx *vsc = ds->priv; + u32 delay; + + if (!of_property_read_u32(port_dn, "tx-internal-delay-ps", &delay)) { + switch (delay) { + case 0: + tx_delay = VSC73XX_GMIIDELAY_GMII0_GTXDELAY_NONE; + break; + case 1400: + tx_delay = VSC73XX_GMIIDELAY_GMII0_GTXDELAY_1_4_NS; + break; + case 1700: + tx_delay = VSC73XX_GMIIDELAY_GMII0_GTXDELAY_1_7_NS; + break; + case 2000: + break; + default: + dev_err(vsc->dev, + "Unsupported RGMII Transmit Clock Delay\n"); + return -EINVAL; + } + } else { + dev_dbg(vsc->dev, + "RGMII Transmit Clock Delay isn't configured, set to 2.0 ns\n"); + } + + if (!of_property_read_u32(port_dn, "rx-internal-delay-ps", &delay)) { + switch (delay) { + case 0: + rx_delay = VSC73XX_GMIIDELAY_GMII0_RXDELAY_NONE; + break; + case 1400: + rx_delay = VSC73XX_GMIIDELAY_GMII0_RXDELAY_1_4_NS; + break; + case 1700: + rx_delay = VSC73XX_GMIIDELAY_GMII0_RXDELAY_1_7_NS; + break; + case 2000: + break; + default: + dev_err(vsc->dev, + "Unsupported RGMII Receive Clock Delay value\n"); + return -EINVAL; + } + } else { + dev_dbg(vsc->dev, + "RGMII Receive Clock Delay isn't configured, set to 2.0 ns\n"); + } + + /* MII delay, set both GTX and RX delay */ + return vsc73xx_write(vsc, VSC73XX_BLOCK_SYSTEM, 0, VSC73XX_GMIIDELAY, + tx_delay | rx_delay); +} + static int vsc73xx_setup(struct dsa_switch *ds) { struct vsc73xx *vsc = ds->priv; - int i, ret; + int i, ret, val; dev_info(vsc->dev, "set up the switch\n"); ds->untag_bridge_pvid = true; ds->max_num_bridges = DSA_TAG_8021Q_MAX_NUM_BRIDGES; + ds->fdb_isolation = true; /* Issue RESET */ vsc73xx_write(vsc, VSC73XX_BLOCK_SYSTEM, 0, VSC73XX_GLORESET, @@ -770,10 +907,11 @@ static int vsc73xx_setup(struct dsa_switch *ds) VSC73XX_MAC_CFG, VSC73XX_MAC_CFG_RESET); } - /* MII delay, set both GTX and RX delay to 2 ns */ - vsc73xx_write(vsc, VSC73XX_BLOCK_SYSTEM, 0, VSC73XX_GMIIDELAY, - VSC73XX_GMIIDELAY_GMII0_GTXDELAY_2_0_NS | - VSC73XX_GMIIDELAY_GMII0_RXDELAY_2_0_NS); + /* Configure RGMII delay */ + ret = vsc73xx_configure_rgmii_port_delay(ds); + if (ret) + return ret; + /* Ingess VLAN reception mask (table 145) */ vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_VLANMASK, 0xff); @@ -783,6 +921,15 @@ static int vsc73xx_setup(struct dsa_switch *ds) mdelay(50); + /* Disable preamble and use maximum allowed clock for the internal + * mdio bus, used for communication with internal PHYs only. + */ + val = VSC73XX_MII_MPRES_NOPREAMBLE | + FIELD_PREP(VSC73XX_MII_MPRES_PRESCALEVAL, + VSC73XX_MII_PRESCALEVAL_MIN); + vsc73xx_write(vsc, VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_MPRES, val); + /* Release reset from the internal PHYs */ vsc73xx_write(vsc, VSC73XX_BLOCK_SYSTEM, 0, VSC73XX_GLORESET, VSC73XX_GLORESET_PHY_RESET); @@ -1757,6 +1904,312 @@ static void vsc73xx_port_stp_state_set(struct dsa_switch *ds, int port, vsc73xx_refresh_fwd_map(ds, port, state); } +static u16 vsc73xx_calc_hash(const unsigned char *addr, u16 vid) +{ + /* VID 5-0, MAC 47-44 */ + u16 hash = FIELD_PREP(VSC73XX_HASH0_VID_TO_MASK, + FIELD_GET(VSC73XX_HASH0_VID_FROM_MASK, vid)) | + FIELD_PREP(VSC73XX_HASH0_MAC0_TO_MASK, + FIELD_GET(VSC73XX_HASH0_MAC0_FROM_MASK, addr[0])); + /* MAC 43-33 */ + hash ^= FIELD_PREP(VSC73XX_HASH1_MAC0_TO_MASK, + FIELD_GET(VSC73XX_HASH1_MAC0_FROM_MASK, addr[0])) | + FIELD_PREP(VSC73XX_HASH1_MAC1_TO_MASK, + FIELD_GET(VSC73XX_HASH1_MAC1_FROM_MASK, addr[1])); + /* MAC 32-22 */ + hash ^= FIELD_PREP(VSC73XX_HASH2_MAC1_TO_MASK, + FIELD_GET(VSC73XX_HASH2_MAC1_FROM_MASK, addr[1])) | + FIELD_PREP(VSC73XX_HASH2_MAC2_TO_MASK, + FIELD_GET(VSC73XX_HASH2_MAC2_FROM_MASK, addr[2])) | + FIELD_PREP(VSC73XX_HASH2_MAC3_TO_MASK, + FIELD_GET(VSC73XX_HASH2_MAC3_FROM_MASK, addr[3])); + /* MAC 21-11 */ + hash ^= FIELD_PREP(VSC73XX_HASH3_MAC3_TO_MASK, + FIELD_GET(VSC73XX_HASH3_MAC3_FROM_MASK, addr[3])) | + FIELD_PREP(VSC73XX_HASH3_MAC4_TO_MASK, + FIELD_GET(VSC73XX_HASH3_MAC4_FROM_MASK, addr[4])); + /* MAC 10-0 */ + hash ^= FIELD_PREP(VSC73XX_HASH4_MAC4_TO_MASK, + FIELD_GET(VSC73XX_HASH4_MAC4_FROM_MASK, addr[4])) | + addr[5]; + + return hash; +} + +static int +vsc73xx_port_wait_for_mac_table_cmd(struct vsc73xx *vsc) +{ + int ret, err; + u32 val; + + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || + ((val & VSC73XX_MACACCESS_CMD_MASK) == + VSC73XX_MACACCESS_CMD_IDLE), + VSC73XX_POLL_SLEEP_US, VSC73XX_POLL_TIMEOUT_US, + false, vsc, VSC73XX_BLOCK_ANALYZER, + 0, VSC73XX_MACACCESS, &val); + if (ret) + return ret; + return err; +} + +static int vsc73xx_port_read_mac_table_row(struct vsc73xx *vsc, u16 index, + struct vsc73xx_fdb *fdb) +{ + int ret, i; + u32 val; + + if (!fdb) + return -EINVAL; + if (index >= VSC73XX_NUM_FDB_ROWS) + return -EINVAL; + + for (i = 0; i < VSC73XX_NUM_BUCKETS; i++) { + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACTINDX, + (i ? 0 : VSC73XX_MACTINDX_SHADOW) | + FIELD_PREP(VSC73XX_MACTINDX_BUCKET_MSK, i) | + index); + if (ret) + return ret; + + ret = vsc73xx_port_wait_for_mac_table_cmd(vsc); + if (ret) + return ret; + + ret = vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACACCESS, + VSC73XX_MACACCESS_CMD_MASK, + VSC73XX_MACACCESS_CMD_READ_ENTRY); + if (ret) + return ret; + + ret = vsc73xx_port_wait_for_mac_table_cmd(vsc); + if (ret) + return ret; + + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACACCESS, &val); + if (ret) + return ret; + + fdb[i].valid = FIELD_GET(VSC73XX_MACACCESS_VALID, val); + if (!fdb[i].valid) + continue; + + fdb[i].port = FIELD_GET(VSC73XX_MACACCESS_DEST_IDX_MASK, val); + + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACHDATA, &val); + if (ret) + return ret; + + fdb[i].vid = FIELD_GET(VSC73XX_MACHDATA_VID, val); + fdb[i].mac[0] = FIELD_GET(VSC73XX_MACHDATA_MAC0, val); + fdb[i].mac[1] = FIELD_GET(VSC73XX_MACHDATA_MAC1, val); + + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACLDATA, &val); + if (ret) + return ret; + + fdb[i].mac[2] = FIELD_GET(VSC73XX_MACLDATA_MAC2, val); + fdb[i].mac[3] = FIELD_GET(VSC73XX_MACLDATA_MAC3, val); + fdb[i].mac[4] = FIELD_GET(VSC73XX_MACLDATA_MAC4, val); + fdb[i].mac[5] = FIELD_GET(VSC73XX_MACLDATA_MAC5, val); + } + + return ret; +} + +static int +vsc73xx_fdb_operation(struct vsc73xx *vsc, const unsigned char *addr, u16 vid, + u16 hash, u16 cmd_mask, u16 cmd_val) +{ + int ret; + u32 val; + + val = FIELD_PREP(VSC73XX_MACHDATA_VID, vid) | + FIELD_PREP(VSC73XX_MACHDATA_MAC0, addr[0]) | + FIELD_PREP(VSC73XX_MACHDATA_MAC1, addr[1]); + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_MACHDATA, + val); + if (ret) + return ret; + + val = FIELD_PREP(VSC73XX_MACLDATA_MAC2, addr[2]) | + FIELD_PREP(VSC73XX_MACLDATA_MAC3, addr[3]) | + FIELD_PREP(VSC73XX_MACLDATA_MAC4, addr[4]) | + FIELD_PREP(VSC73XX_MACLDATA_MAC5, addr[5]); + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_MACLDATA, + val); + if (ret) + return ret; + + ret = vsc73xx_write(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_MACTINDX, + hash); + if (ret) + return ret; + + ret = vsc73xx_port_wait_for_mac_table_cmd(vsc); + if (ret) + return ret; + + ret = vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_MACACCESS, cmd_mask, cmd_val); + if (ret) + return ret; + + return vsc73xx_port_wait_for_mac_table_cmd(vsc); +} + +static int vsc73xx_fdb_del_entry(struct vsc73xx *vsc, int port, + const unsigned char *addr, u16 vid) +{ + struct vsc73xx_fdb fdb[VSC73XX_NUM_BUCKETS]; + u16 hash = vsc73xx_calc_hash(addr, vid); + int bucket, ret; + + mutex_lock(&vsc->fdb_lock); + + ret = vsc73xx_port_read_mac_table_row(vsc, hash, fdb); + if (ret) + goto err; + + for (bucket = 0; bucket < VSC73XX_NUM_BUCKETS; bucket++) { + if (fdb[bucket].valid && fdb[bucket].port == port && + ether_addr_equal(addr, fdb[bucket].mac)) + break; + } + + if (bucket == VSC73XX_NUM_BUCKETS) { + /* Can't find MAC in MAC table */ + ret = -ENODATA; + goto err; + } + + ret = vsc73xx_fdb_operation(vsc, addr, vid, hash, + VSC73XX_MACACCESS_CMD_MASK, + VSC73XX_MACACCESS_CMD_FORGET); +err: + mutex_unlock(&vsc->fdb_lock); + return ret; +} + +static int vsc73xx_fdb_add_entry(struct vsc73xx *vsc, int port, + const unsigned char *addr, u16 vid) +{ + struct vsc73xx_fdb fdb[VSC73XX_NUM_BUCKETS]; + u16 hash = vsc73xx_calc_hash(addr, vid); + int bucket, ret; + u32 val; + + mutex_lock(&vsc->fdb_lock); + + ret = vsc73xx_port_read_mac_table_row(vsc, hash, fdb); + if (ret) + goto err; + + for (bucket = 0; bucket < VSC73XX_NUM_BUCKETS; bucket++) { + if (!fdb[bucket].valid) + break; + } + + if (bucket == VSC73XX_NUM_BUCKETS) { + /* Bucket is full */ + ret = -EOVERFLOW; + goto err; + } + + val = VSC73XX_MACACCESS_VALID | VSC73XX_MACACCESS_LOCKED | + FIELD_PREP(VSC73XX_MACACCESS_DEST_IDX_MASK, port) | + VSC73XX_MACACCESS_CMD_LEARN; + ret = vsc73xx_fdb_operation(vsc, addr, vid, hash, + VSC73XX_MACACCESS_VALID | + VSC73XX_MACACCESS_LOCKED | + VSC73XX_MACACCESS_DEST_IDX_MASK | + VSC73XX_MACACCESS_CMD_MASK, val); +err: + mutex_unlock(&vsc->fdb_lock); + return ret; +} + +static int vsc73xx_fdb_add(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid, struct dsa_db db) +{ + struct vsc73xx *vsc = ds->priv; + + if (!vid) { + switch (db.type) { + case DSA_DB_PORT: + vid = dsa_tag_8021q_standalone_vid(db.dp); + break; + case DSA_DB_BRIDGE: + vid = dsa_tag_8021q_bridge_vid(db.bridge.num); + break; + default: + return -EOPNOTSUPP; + } + } + + return vsc73xx_fdb_add_entry(vsc, port, addr, vid); +} + +static int vsc73xx_fdb_del(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid, struct dsa_db db) +{ + struct vsc73xx *vsc = ds->priv; + + if (!vid) { + switch (db.type) { + case DSA_DB_PORT: + vid = dsa_tag_8021q_standalone_vid(db.dp); + break; + case DSA_DB_BRIDGE: + vid = dsa_tag_8021q_bridge_vid(db.bridge.num); + break; + default: + return -EOPNOTSUPP; + } + } + + return vsc73xx_fdb_del_entry(vsc, port, addr, vid); +} + +static int vsc73xx_port_fdb_dump(struct dsa_switch *ds, + int port, dsa_fdb_dump_cb_t *cb, void *data) +{ + struct vsc73xx_fdb fdb[VSC73XX_NUM_BUCKETS]; + struct vsc73xx *vsc = ds->priv; + u16 i, bucket; + int err = 0; + + mutex_lock(&vsc->fdb_lock); + + for (i = 0; i < VSC73XX_NUM_FDB_ROWS; i++) { + err = vsc73xx_port_read_mac_table_row(vsc, i, fdb); + if (err) + goto unlock; + + for (bucket = 0; bucket < VSC73XX_NUM_BUCKETS; bucket++) { + if (!fdb[bucket].valid || fdb[bucket].port != port) + continue; + + /* We need to hide dsa_8021q VLANs from the user */ + if (vid_is_dsa_8021q(fdb[bucket].vid)) + fdb[bucket].vid = 0; + + err = cb(fdb[bucket].mac, fdb[bucket].vid, false, data); + if (err) + goto unlock; + } + } +unlock: + mutex_unlock(&vsc->fdb_lock); + return err; +} + static const struct phylink_mac_ops vsc73xx_phylink_mac_ops = { .mac_config = vsc73xx_mac_config, .mac_link_down = vsc73xx_mac_link_down, @@ -1779,6 +2232,9 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = { .port_bridge_join = dsa_tag_8021q_bridge_join, .port_bridge_leave = dsa_tag_8021q_bridge_leave, .port_change_mtu = vsc73xx_change_mtu, + .port_fdb_add = vsc73xx_fdb_add, + .port_fdb_del = vsc73xx_fdb_del, + .port_fdb_dump = vsc73xx_port_fdb_dump, .port_max_mtu = vsc73xx_get_max_mtu, .port_stp_state_set = vsc73xx_port_stp_state_set, .port_vlan_filtering = vsc73xx_port_vlan_filtering, @@ -1909,6 +2365,8 @@ int vsc73xx_probe(struct vsc73xx *vsc) return -ENODEV; } + mutex_init(&vsc->fdb_lock); + eth_random_addr(vsc->addr); dev_info(vsc->dev, "MAC for control frames: %02X:%02X:%02X:%02X:%02X:%02X\n", |