From 27c0e60097a55a1831de2ea8121f048b833b9d9a Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Thu, 15 Jun 2017 12:14:01 -0400 Subject: [PATCH] net: dsa: mv88e6xxx: prefix Global ATU macros Prefix and document the Global ATU Registers macros and give clear 16-bit registers representation. Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 22 ++++---- drivers/net/dsa/mv88e6xxx/global1.h | 75 +++++++++++++++---------- drivers/net/dsa/mv88e6xxx/global1_atu.c | 56 +++++++++--------- 3 files changed, 85 insertions(+), 68 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index b048f851786a..066fa63c6b6e 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1383,7 +1383,7 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port, if (err) return err; - entry.state = GLOBAL_ATU_DATA_STATE_UNUSED; + entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED; ether_addr_copy(entry.mac, addr); eth_addr_dec(entry.mac); @@ -1392,17 +1392,17 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port, return err; /* Initialize a fresh ATU entry if it isn't found */ - if (entry.state == GLOBAL_ATU_DATA_STATE_UNUSED || + if (entry.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED || !ether_addr_equal(entry.mac, addr)) { memset(&entry, 0, sizeof(entry)); ether_addr_copy(entry.mac, addr); } /* Purge the ATU entry only if no port is using it anymore */ - if (state == GLOBAL_ATU_DATA_STATE_UNUSED) { + if (state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) { entry.portvec &= ~BIT(port); if (!entry.portvec) - entry.state = GLOBAL_ATU_DATA_STATE_UNUSED; + entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED; } else { entry.portvec |= BIT(port); entry.state = state; @@ -1429,7 +1429,7 @@ static void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, mutex_lock(&chip->reg_lock); if (mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid, - GLOBAL_ATU_DATA_STATE_UC_STATIC)) + MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)) dev_err(ds->dev, "p%d: failed to load unicast MAC address\n", port); mutex_unlock(&chip->reg_lock); @@ -1443,7 +1443,7 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, mutex_lock(&chip->reg_lock); err = mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid, - GLOBAL_ATU_DATA_STATE_UNUSED); + MV88E6XXX_G1_ATU_DATA_STATE_UNUSED); mutex_unlock(&chip->reg_lock); return err; @@ -1457,7 +1457,7 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, struct mv88e6xxx_atu_entry addr; int err; - addr.state = GLOBAL_ATU_DATA_STATE_UNUSED; + addr.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED; eth_broadcast_addr(addr.mac); do { @@ -1465,7 +1465,7 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, if (err) return err; - if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED) + if (addr.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) break; if (addr.trunk || (addr.portvec & BIT(port)) == 0) @@ -1480,7 +1480,7 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, fdb = SWITCHDEV_OBJ_PORT_FDB(obj); fdb->vid = vid; ether_addr_copy(fdb->addr, addr.mac); - if (addr.state == GLOBAL_ATU_DATA_STATE_UC_STATIC) + if (addr.state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC) fdb->ndm_state = NUD_NOARP; else fdb->ndm_state = NUD_REACHABLE; @@ -3755,7 +3755,7 @@ static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port, mutex_lock(&chip->reg_lock); if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, - GLOBAL_ATU_DATA_STATE_MC_STATIC)) + MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC)) dev_err(ds->dev, "p%d: failed to load multicast MAC address\n", port); mutex_unlock(&chip->reg_lock); @@ -3769,7 +3769,7 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port, mutex_lock(&chip->reg_lock); err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, - GLOBAL_ATU_DATA_STATE_UNUSED); + MV88E6XXX_G1_ATU_DATA_STATE_UNUSED); mutex_unlock(&chip->reg_lock); return err; diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h index 267233d40cb3..126515532d53 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.h +++ b/drivers/net/dsa/mv88e6xxx/global1.h @@ -44,7 +44,9 @@ #define MV88E6XXX_G1_MAC_23 0x02 #define MV88E6XXX_G1_MAC_45 0x03 -#define GLOBAL_ATU_FID 0x01 +/* Offset 0x01: ATU FID Register */ +#define MV88E6352_G1_ATU_FID 0x01 + #define GLOBAL_VTU_FID 0x02 #define GLOBAL_VTU_FID_MASK 0xfff #define GLOBAL_VTU_SID 0x03 /* 6097 6165 6351 6352 */ @@ -87,36 +89,47 @@ #define GLOBAL_STU_DATA_PORT_STATE_BLOCKING 0x01 #define GLOBAL_STU_DATA_PORT_STATE_LEARNING 0x02 #define GLOBAL_STU_DATA_PORT_STATE_FORWARDING 0x03 -#define GLOBAL_ATU_CONTROL 0x0a -#define GLOBAL_ATU_CONTROL_LEARN2ALL BIT(3) -#define GLOBAL_ATU_OP 0x0b -#define GLOBAL_ATU_OP_BUSY BIT(15) -#define GLOBAL_ATU_OP_NOP (0 << 12) -#define GLOBAL_ATU_OP_FLUSH_MOVE_ALL ((1 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC ((2 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_LOAD_DB ((3 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_GET_NEXT_DB ((4 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_FLUSH_MOVE_ALL_DB ((5 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC_DB ((6 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_OP_GET_CLR_VIOLATION ((7 << 12) | GLOBAL_ATU_OP_BUSY) -#define GLOBAL_ATU_DATA 0x0c -#define GLOBAL_ATU_DATA_TRUNK BIT(15) -#define GLOBAL_ATU_DATA_TRUNK_ID_MASK 0x00f0 -#define GLOBAL_ATU_DATA_TRUNK_ID_SHIFT 4 -#define GLOBAL_ATU_DATA_PORT_VECTOR_MASK 0x3ff0 -#define GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT 4 -#define GLOBAL_ATU_DATA_STATE_MASK 0x0f -#define GLOBAL_ATU_DATA_STATE_UNUSED 0x00 -#define GLOBAL_ATU_DATA_STATE_UC_MGMT 0x0d -#define GLOBAL_ATU_DATA_STATE_UC_STATIC 0x0e -#define GLOBAL_ATU_DATA_STATE_UC_PRIO_OVER 0x0f -#define GLOBAL_ATU_DATA_STATE_MC_NONE_RATE 0x05 -#define GLOBAL_ATU_DATA_STATE_MC_STATIC 0x07 -#define GLOBAL_ATU_DATA_STATE_MC_MGMT 0x0e -#define GLOBAL_ATU_DATA_STATE_MC_PRIO_OVER 0x0f -#define GLOBAL_ATU_MAC_01 0x0d -#define GLOBAL_ATU_MAC_23 0x0e -#define GLOBAL_ATU_MAC_45 0x0f + +/* Offset 0x0A: ATU Control Register */ +#define MV88E6XXX_G1_ATU_CTL 0x0a +#define MV88E6XXX_G1_ATU_CTL_LEARN2ALL 0x0008 + +/* Offset 0x0B: ATU Operation Register */ +#define MV88E6XXX_G1_ATU_OP 0x0b +#define MV88E6XXX_G1_ATU_OP_BUSY 0x8000 +#define MV88E6XXX_G1_ATU_OP_MASK 0x7000 +#define MV88E6XXX_G1_ATU_OP_NOOP 0x0000 +#define MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_ALL 0x1000 +#define MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_NON_STATIC 0x2000 +#define MV88E6XXX_G1_ATU_OP_LOAD_DB 0x3000 +#define MV88E6XXX_G1_ATU_OP_GET_NEXT_DB 0x4000 +#define MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_ALL_DB 0x5000 +#define MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_NON_STATIC_DB 0x6000 +#define MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION 0x7000 + +/* Offset 0x0C: ATU Data Register */ +#define MV88E6XXX_G1_ATU_DATA 0x0c +#define MV88E6XXX_G1_ATU_DATA_TRUNK 0x8000 +#define MV88E6XXX_G1_ATU_DATA_TRUNK_ID_MASK 0x00f0 +#define MV88E6XXX_G1_ATU_DATA_PORT_VECTOR_MASK 0x3ff0 +#define MV88E6XXX_G1_ATU_DATA_STATE_MASK 0x000f +#define MV88E6XXX_G1_ATU_DATA_STATE_UNUSED 0x0000 +#define MV88E6XXX_G1_ATU_DATA_STATE_UC_MGMT 0x000d +#define MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC 0x000e +#define MV88E6XXX_G1_ATU_DATA_STATE_UC_PRIO_OVER 0x000f +#define MV88E6XXX_G1_ATU_DATA_STATE_MC_NONE_RATE 0x0005 +#define MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC 0x0007 +#define MV88E6XXX_G1_ATU_DATA_STATE_MC_MGMT 0x000e +#define MV88E6XXX_G1_ATU_DATA_STATE_MC_PRIO_OVER 0x000f + +/* Offset 0x0D: ATU MAC Address Register Bytes 0 & 1 + * Offset 0x0E: ATU MAC Address Register Bytes 2 & 3 + * Offset 0x0F: ATU MAC Address Register Bytes 4 & 5 + */ +#define MV88E6XXX_G1_ATU_MAC01 0x0d +#define MV88E6XXX_G1_ATU_MAC23 0x0e +#define MV88E6XXX_G1_ATU_MAC45 0x0f + #define GLOBAL_IP_PRI_0 0x10 #define GLOBAL_IP_PRI_1 0x11 #define GLOBAL_IP_PRI_2 0x12 diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index 6b0cf44dc07d..efeef4b01442 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -17,7 +17,7 @@ static int mv88e6xxx_g1_atu_fid_write(struct mv88e6xxx_chip *chip, u16 fid) { - return mv88e6xxx_g1_write(chip, GLOBAL_ATU_FID, fid & 0xfff); + return mv88e6xxx_g1_write(chip, MV88E6352_G1_ATU_FID, fid & 0xfff); } /* Offset 0x0A: ATU Control Register */ @@ -27,16 +27,16 @@ int mv88e6xxx_g1_atu_set_learn2all(struct mv88e6xxx_chip *chip, bool learn2all) u16 val; int err; - err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_CONTROL, &val); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, &val); if (err) return err; if (learn2all) - val |= GLOBAL_ATU_CONTROL_LEARN2ALL; + val |= MV88E6XXX_G1_ATU_CTL_LEARN2ALL; else - val &= ~GLOBAL_ATU_CONTROL_LEARN2ALL; + val &= ~MV88E6XXX_G1_ATU_CTL_LEARN2ALL; - return mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val); + return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_CTL, val); } int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip, @@ -55,7 +55,7 @@ int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip, /* Round to nearest multiple of coeff */ age_time = (msecs + coeff / 2) / coeff; - err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_CONTROL, &val); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, &val); if (err) return err; @@ -63,7 +63,7 @@ int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip, val &= ~0xff0; val |= age_time << 4; - err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val); + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_CTL, val); if (err) return err; @@ -77,7 +77,8 @@ int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip, static int mv88e6xxx_g1_atu_op_wait(struct mv88e6xxx_chip *chip) { - return mv88e6xxx_g1_wait(chip, GLOBAL_ATU_OP, GLOBAL_ATU_OP_BUSY); + return mv88e6xxx_g1_wait(chip, MV88E6XXX_G1_ATU_OP, + MV88E6XXX_G1_ATU_OP_BUSY); } static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) @@ -93,12 +94,14 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) } else { if (mv88e6xxx_num_databases(chip) > 16) { /* ATU DBNum[7:4] are located in ATU Control 15:12 */ - err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_CONTROL, &val); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, + &val); if (err) return err; val = (val & 0x0fff) | ((fid << 8) & 0xf000); - err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val); + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_CTL, + val); if (err) return err; } @@ -107,7 +110,8 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) op |= fid & 0xf; } - err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_OP, op); + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_OP, + MV88E6XXX_G1_ATU_OP_BUSY | op); if (err) return err; @@ -122,13 +126,13 @@ static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip, u16 val; int err; - err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_DATA, &val); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_DATA, &val); if (err) return err; entry->state = val & 0xf; - if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) { - entry->trunk = !!(val & GLOBAL_ATU_DATA_TRUNK); + if (entry->state != MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) { + entry->trunk = !!(val & MV88E6XXX_G1_ATU_DATA_TRUNK); entry->portvec = (val >> 4) & mv88e6xxx_port_mask(chip); } @@ -140,14 +144,14 @@ static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip, { u16 data = entry->state & 0xf; - if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) { + if (entry->state != MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) { if (entry->trunk) - data |= GLOBAL_ATU_DATA_TRUNK; + data |= MV88E6XXX_G1_ATU_DATA_TRUNK; data |= (entry->portvec & mv88e6xxx_port_mask(chip)) << 4; } - return mv88e6xxx_g1_write(chip, GLOBAL_ATU_DATA, data); + return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_DATA, data); } /* Offset 0x0D: ATU MAC Address Register Bytes 0 & 1 @@ -162,7 +166,7 @@ static int mv88e6xxx_g1_atu_mac_read(struct mv88e6xxx_chip *chip, int i, err; for (i = 0; i < 3; i++) { - err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_MAC_01 + i, &val); + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_MAC01 + i, &val); if (err) return err; @@ -181,7 +185,7 @@ static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip, for (i = 0; i < 3; i++) { val = (entry->mac[i * 2] << 8) | entry->mac[i * 2 + 1]; - err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_MAC_01 + i, val); + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_MAC01 + i, val); if (err) return err; } @@ -201,13 +205,13 @@ int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid, return err; /* Write the MAC address to iterate from only once */ - if (entry->state == GLOBAL_ATU_DATA_STATE_UNUSED) { + if (entry->state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) { err = mv88e6xxx_g1_atu_mac_write(chip, entry); if (err) return err; } - err = mv88e6xxx_g1_atu_op(chip, fid, GLOBAL_ATU_OP_GET_NEXT_DB); + err = mv88e6xxx_g1_atu_op(chip, fid, MV88E6XXX_G1_ATU_OP_GET_NEXT_DB); if (err) return err; @@ -235,7 +239,7 @@ int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip, u16 fid, if (err) return err; - return mv88e6xxx_g1_atu_op(chip, fid, GLOBAL_ATU_OP_LOAD_DB); + return mv88e6xxx_g1_atu_op(chip, fid, MV88E6XXX_G1_ATU_OP_LOAD_DB); } static int mv88e6xxx_g1_atu_flushmove(struct mv88e6xxx_chip *chip, u16 fid, @@ -255,13 +259,13 @@ static int mv88e6xxx_g1_atu_flushmove(struct mv88e6xxx_chip *chip, u16 fid, /* Flush/Move all or non-static entries from all or a given database */ if (all && fid) - op = GLOBAL_ATU_OP_FLUSH_MOVE_ALL_DB; + op = MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_ALL_DB; else if (fid) - op = GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC_DB; + op = MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_NON_STATIC_DB; else if (all) - op = GLOBAL_ATU_OP_FLUSH_MOVE_ALL; + op = MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_ALL; else - op = GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC; + op = MV88E6XXX_G1_ATU_OP_FLUSH_MOVE_NON_STATIC; return mv88e6xxx_g1_atu_op(chip, fid, op); } -- 2.39.5