From f1394b78a602bae124a9b8473465ba48f4a5d5b2 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Mon, 1 May 2017 14:05:22 -0400 Subject: [PATCH] net: dsa: mv88e6xxx: add VTU GetNext operation Add a new vtu_getnext operation to the chip info structure to differ the various implementations of the VTU accesses. Signed-off-by: Vivien Didelot Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 82 ++++++++++--------------- drivers/net/dsa/mv88e6xxx/global1.h | 4 ++ drivers/net/dsa/mv88e6xxx/global1_vtu.c | 57 +++++++++++++++++ drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 4 ++ 4 files changed, 99 insertions(+), 48 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index fc30a3e3df47..1e14edebc0c7 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1238,49 +1238,6 @@ static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port) netdev_err(ds->ports[port].netdev, "failed to flush ATU\n"); } -static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip, - struct mv88e6xxx_vtu_entry *entry) -{ - struct mv88e6xxx_vtu_entry next = *entry; - u16 val; - int err; - - err = mv88e6xxx_g1_vtu_getnext(chip, &next); - if (err) - return err; - - if (next.valid) { - if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) { - err = mv88e6xxx_g1_vtu_fid_read(chip, &next); - if (err) - return err; - } else if (mv88e6xxx_num_databases(chip) == 256) { - /* VTU DBNum[7:4] are located in VTU Operation 11:8, and - * VTU DBNum[3:0] are located in VTU Operation 3:0 - */ - err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_OP, &val); - if (err) - return err; - - next.fid = (val & 0xf00) >> 4; - next.fid |= val & 0xf; - } - - if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) { - err = mv88e6xxx_g1_vtu_stu_get(chip, &next); - if (err) - return err; - } - - err = mv88e6185_g1_vtu_data_read(chip, &next); - if (err) - return err; - } - - *entry = next; - return 0; -} - static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip) { if (!chip->info->max_vid) @@ -1289,6 +1246,15 @@ static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_vtu_flush(chip); } +static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry) +{ + if (!chip->info->ops->vtu_getnext) + return -EOPNOTSUPP; + + return chip->info->ops->vtu_getnext(chip, entry); +} + static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port, struct switchdev_obj_port_vlan *vlan, int (*cb)(struct switchdev_obj *obj)) @@ -1310,7 +1276,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port, goto unlock; do { - err = _mv88e6xxx_vtu_getnext(chip, &next); + err = mv88e6xxx_vtu_getnext(chip, &next); if (err) break; @@ -1410,7 +1376,7 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid) /* Set every FID bit used by the VLAN entries */ do { - err = _mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_getnext(chip, &vlan); if (err) return err; @@ -1467,7 +1433,7 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid, entry->vid = vid - 1; entry->valid = false; - err = _mv88e6xxx_vtu_getnext(chip, entry); + err = mv88e6xxx_vtu_getnext(chip, entry); if (err) return err; @@ -1499,7 +1465,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port, mutex_lock(&chip->reg_lock); do { - err = _mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_getnext(chip, &vlan); if (err) goto unlock; @@ -1857,7 +1823,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port, /* Dump VLANs' Filtering Information Databases */ do { - err = _mv88e6xxx_vtu_getnext(chip, &vlan); + err = mv88e6xxx_vtu_getnext(chip, &vlan); if (err) return err; @@ -2702,6 +2668,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = { .ppu_enable = mv88e6185_g1_ppu_enable, .ppu_disable = mv88e6185_g1_ppu_disable, .reset = mv88e6185_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6095_ops = { @@ -2723,6 +2690,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = { .ppu_enable = mv88e6185_g1_ppu_enable, .ppu_disable = mv88e6185_g1_ppu_disable, .reset = mv88e6185_g1_reset, + .vtu_getnext = mv88e6185_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6097_ops = { @@ -2751,6 +2719,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6123_ops = { @@ -2774,6 +2743,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6131_ops = { @@ -2803,6 +2773,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = { .ppu_enable = mv88e6185_g1_ppu_enable, .ppu_disable = mv88e6185_g1_ppu_disable, .reset = mv88e6185_g1_reset, + .vtu_getnext = mv88e6185_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6141_ops = { @@ -2834,6 +2805,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = { .watchdog_ops = &mv88e6390_watchdog_ops, .mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6161_ops = { @@ -2862,6 +2834,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6165_ops = { @@ -2883,6 +2856,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6171_ops = { @@ -2912,6 +2886,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6172_ops = { @@ -2943,6 +2918,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6175_ops = { @@ -2972,6 +2948,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6176_ops = { @@ -3003,6 +2980,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6185_ops = { @@ -3028,6 +3006,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = { .ppu_enable = mv88e6185_g1_ppu_enable, .ppu_disable = mv88e6185_g1_ppu_disable, .reset = mv88e6185_g1_reset, + .vtu_getnext = mv88e6185_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6190_ops = { @@ -3149,6 +3128,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6290_ops = { @@ -3209,6 +3189,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = { .g1_set_egress_port = mv88e6095_g1_set_egress_port, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6185_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6321_ops = { @@ -3237,6 +3218,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = { .g1_set_cpu_port = mv88e6095_g1_set_cpu_port, .g1_set_egress_port = mv88e6095_g1_set_egress_port, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6185_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6341_ops = { @@ -3268,6 +3250,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = { .watchdog_ops = &mv88e6390_watchdog_ops, .mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6350_ops = { @@ -3297,6 +3280,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6351_ops = { @@ -3326,6 +3310,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6352_ops = { @@ -3357,6 +3342,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = { .watchdog_ops = &mv88e6097_watchdog_ops, .mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu, .reset = mv88e6352_g1_reset, + .vtu_getnext = mv88e6352_g1_vtu_getnext, }; static const struct mv88e6xxx_ops mv88e6390_ops = { diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h index 76b49a3a4701..780ee8241dbf 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.h +++ b/drivers/net/dsa/mv88e6xxx/global1.h @@ -74,6 +74,10 @@ int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *vtu); int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip, struct mv88e6xxx_vtu_entry *vtu); +int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry); +int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry); int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip); #endif /* _MV88E6XXX_GLOBAL1_H */ diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c index 710f86fa3b4e..8b07b6b0fc7d 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c @@ -245,6 +245,63 @@ int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip, return mv88e6xxx_g1_vtu_vid_read(chip, entry); } +int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry) +{ + u16 val; + int err; + + err = mv88e6xxx_g1_vtu_getnext(chip, entry); + if (err) + return err; + + if (entry->valid) { + err = mv88e6185_g1_vtu_data_read(chip, entry); + if (err) + return err; + + /* VTU DBNum[3:0] are located in VTU Operation 3:0 + * VTU DBNum[7:4] are located in VTU Operation 11:8 + */ + err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_OP, &val); + if (err) + return err; + + entry->fid = val & 0x000f; + entry->fid |= (val & 0x0f00) >> 4; + } + + return 0; +} + +int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry) +{ + int err; + + /* Fetch VLAN MemberTag data from the VTU */ + err = mv88e6xxx_g1_vtu_getnext(chip, entry); + if (err) + return err; + + if (entry->valid) { + /* Fetch (and mask) VLAN PortState data from the STU */ + err = mv88e6xxx_g1_vtu_stu_get(chip, entry); + if (err) + return err; + + err = mv88e6185_g1_vtu_data_read(chip, entry); + if (err) + return err; + + err = mv88e6xxx_g1_vtu_fid_read(chip, entry); + if (err) + return err; + } + + return 0; +} + int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip) { int err; diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h index 8638892a7e18..b356f2875643 100644 --- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h @@ -890,6 +890,10 @@ struct mv88e6xxx_ops { /* Can be either in g1 or g2, so don't use a prefix */ int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip); + + /* VLAN Translation Unit operations */ + int (*vtu_getnext)(struct mv88e6xxx_chip *chip, + struct mv88e6xxx_vtu_entry *entry); }; struct mv88e6xxx_irq_ops { -- 2.30.2