diff options
Diffstat (limited to 'drivers/net/dsa')
-rw-r--r-- | drivers/net/dsa/hirschmann/hellcreek.c | 15 | ||||
-rw-r--r-- | drivers/net/dsa/lan9303-core.c | 34 | ||||
-rw-r--r-- | drivers/net/dsa/lantiq_gswip.c | 14 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8795.c | 82 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8795_reg.h | 4 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 9 | ||||
-rw-r--r-- | drivers/net/dsa/mt7530.c | 1 | ||||
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 2 | ||||
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/serdes.c | 11 | ||||
-rw-r--r-- | drivers/net/dsa/qca/ar9331.c | 87 | ||||
-rw-r--r-- | drivers/net/dsa/sja1105/sja1105_dynamic_config.c | 27 | ||||
-rw-r--r-- | drivers/net/dsa/sja1105/sja1105_main.c | 99 | ||||
-rw-r--r-- | drivers/net/dsa/sja1105/sja1105_mdio.c | 6 |
13 files changed, 293 insertions, 98 deletions
diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c index 9fdcc4bde480..7062db6a083c 100644 --- a/drivers/net/dsa/hirschmann/hellcreek.c +++ b/drivers/net/dsa/hirschmann/hellcreek.c @@ -912,6 +912,7 @@ static int hellcreek_fdb_dump(struct dsa_switch *ds, int port, { struct hellcreek *hellcreek = ds->priv; u16 entries; + int ret = 0; size_t i; mutex_lock(&hellcreek->reg_lock); @@ -943,12 +944,14 @@ static int hellcreek_fdb_dump(struct dsa_switch *ds, int port, if (!(entry.portmask & BIT(port))) continue; - cb(entry.mac, 0, entry.is_static, data); + ret = cb(entry.mac, 0, entry.is_static, data); + if (ret) + break; } mutex_unlock(&hellcreek->reg_lock); - return 0; + return ret; } static int hellcreek_vlan_filtering(struct dsa_switch *ds, int port, @@ -1469,9 +1472,6 @@ static void hellcreek_setup_gcl(struct hellcreek *hellcreek, int port, u16 data; u8 gates; - cur++; - next++; - if (i == schedule->num_entries) gates = initial->gate_mask ^ cur->gate_mask; @@ -1500,6 +1500,9 @@ static void hellcreek_setup_gcl(struct hellcreek *hellcreek, int port, (initial->gate_mask << TR_GCLCMD_INIT_GATE_STATES_SHIFT); hellcreek_write(hellcreek, data, TR_GCLCMD); + + cur++; + next++; } } @@ -1547,7 +1550,7 @@ static bool hellcreek_schedule_startable(struct hellcreek *hellcreek, int port) /* Calculate difference to admin base time */ base_time_ns = ktime_to_ns(hellcreek_port->current_schedule->base_time); - return base_time_ns - current_ns < (s64)8 * NSEC_PER_SEC; + return base_time_ns - current_ns < (s64)4 * NSEC_PER_SEC; } static void hellcreek_start_schedule(struct hellcreek *hellcreek, int port) diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 344374025426..d7ce281570b5 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -557,12 +557,12 @@ static int lan9303_alr_make_entry_raw(struct lan9303 *chip, u32 dat0, u32 dat1) return 0; } -typedef void alr_loop_cb_t(struct lan9303 *chip, u32 dat0, u32 dat1, - int portmap, void *ctx); +typedef int alr_loop_cb_t(struct lan9303 *chip, u32 dat0, u32 dat1, + int portmap, void *ctx); -static void lan9303_alr_loop(struct lan9303 *chip, alr_loop_cb_t *cb, void *ctx) +static int lan9303_alr_loop(struct lan9303 *chip, alr_loop_cb_t *cb, void *ctx) { - int i; + int ret = 0, i; mutex_lock(&chip->alr_mutex); lan9303_write_switch_reg(chip, LAN9303_SWE_ALR_CMD, @@ -582,13 +582,17 @@ static void lan9303_alr_loop(struct lan9303 *chip, alr_loop_cb_t *cb, void *ctx) LAN9303_ALR_DAT1_PORT_BITOFFS; portmap = alrport_2_portmap[alrport]; - cb(chip, dat0, dat1, portmap, ctx); + ret = cb(chip, dat0, dat1, portmap, ctx); + if (ret) + break; lan9303_write_switch_reg(chip, LAN9303_SWE_ALR_CMD, LAN9303_ALR_CMD_GET_NEXT); lan9303_write_switch_reg(chip, LAN9303_SWE_ALR_CMD, 0); } mutex_unlock(&chip->alr_mutex); + + return ret; } static void alr_reg_to_mac(u32 dat0, u32 dat1, u8 mac[6]) @@ -606,18 +610,20 @@ struct del_port_learned_ctx { }; /* Clear learned (non-static) entry on given port */ -static void alr_loop_cb_del_port_learned(struct lan9303 *chip, u32 dat0, - u32 dat1, int portmap, void *ctx) +static int alr_loop_cb_del_port_learned(struct lan9303 *chip, u32 dat0, + u32 dat1, int portmap, void *ctx) { struct del_port_learned_ctx *del_ctx = ctx; int port = del_ctx->port; if (((BIT(port) & portmap) == 0) || (dat1 & LAN9303_ALR_DAT1_STATIC)) - return; + return 0; /* learned entries has only one port, we can just delete */ dat1 &= ~LAN9303_ALR_DAT1_VALID; /* delete entry */ lan9303_alr_make_entry_raw(chip, dat0, dat1); + + return 0; } struct port_fdb_dump_ctx { @@ -626,19 +632,19 @@ struct port_fdb_dump_ctx { dsa_fdb_dump_cb_t *cb; }; -static void alr_loop_cb_fdb_port_dump(struct lan9303 *chip, u32 dat0, - u32 dat1, int portmap, void *ctx) +static int alr_loop_cb_fdb_port_dump(struct lan9303 *chip, u32 dat0, + u32 dat1, int portmap, void *ctx) { struct port_fdb_dump_ctx *dump_ctx = ctx; u8 mac[ETH_ALEN]; bool is_static; if ((BIT(dump_ctx->port) & portmap) == 0) - return; + return 0; alr_reg_to_mac(dat0, dat1, mac); is_static = !!(dat1 & LAN9303_ALR_DAT1_STATIC); - dump_ctx->cb(mac, 0, is_static, dump_ctx->data); + return dump_ctx->cb(mac, 0, is_static, dump_ctx->data); } /* Set a static ALR entry. Delete entry if port_map is zero */ @@ -1210,9 +1216,7 @@ static int lan9303_port_fdb_dump(struct dsa_switch *ds, int port, }; dev_dbg(chip->dev, "%s(%d)\n", __func__, port); - lan9303_alr_loop(chip, alr_loop_cb_fdb_port_dump, &dump_ctx); - - return 0; + return lan9303_alr_loop(chip, alr_loop_cb_fdb_port_dump, &dump_ctx); } static int lan9303_port_mdb_prepare(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 314ae78bbdd6..e78026ef6d8c 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1404,11 +1404,17 @@ static int gswip_port_fdb_dump(struct dsa_switch *ds, int port, addr[1] = mac_bridge.key[2] & 0xff; addr[0] = (mac_bridge.key[2] >> 8) & 0xff; if (mac_bridge.val[1] & GSWIP_TABLE_MAC_BRIDGE_STATIC) { - if (mac_bridge.val[0] & BIT(port)) - cb(addr, 0, true, data); + if (mac_bridge.val[0] & BIT(port)) { + err = cb(addr, 0, true, data); + if (err) + return err; + } } else { - if (((mac_bridge.val[0] & GENMASK(7, 4)) >> 4) == port) - cb(addr, 0, false, data); + if (((mac_bridge.val[0] & GENMASK(7, 4)) >> 4) == port) { + err = cb(addr, 0, false, data); + if (err) + return err; + } } } return 0; diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 560f6843bb65..c5142f86a3c7 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -687,8 +687,8 @@ static void ksz8_r_vlan_entries(struct ksz_device *dev, u16 addr) shifts = ksz8->shifts; ksz8_r_table(dev, TABLE_VLAN, addr, &data); - addr *= dev->phy_port_cnt; - for (i = 0; i < dev->phy_port_cnt; i++) { + addr *= 4; + for (i = 0; i < 4; i++) { dev->vlan_cache[addr + i].table[0] = (u16)data; data >>= shifts[VLAN_TABLE]; } @@ -702,7 +702,7 @@ static void ksz8_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan) u64 buf; data = (u16 *)&buf; - addr = vid / dev->phy_port_cnt; + addr = vid / 4; index = vid & 3; ksz8_r_table(dev, TABLE_VLAN, addr, &buf); *vlan = data[index]; @@ -716,7 +716,7 @@ static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan) u64 buf; data = (u16 *)&buf; - addr = vid / dev->phy_port_cnt; + addr = vid / 4; index = vid & 3; ksz8_r_table(dev, TABLE_VLAN, addr, &buf); data[index] = vlan; @@ -1119,24 +1119,67 @@ static int ksz8_port_vlan_filtering(struct dsa_switch *ds, int port, bool flag, if (ksz_is_ksz88x3(dev)) return -ENOTSUPP; + /* Discard packets with VID not enabled on the switch */ ksz_cfg(dev, S_MIRROR_CTRL, SW_VLAN_ENABLE, flag); + /* Discard packets with VID not enabled on the ingress port */ + for (port = 0; port < dev->phy_port_cnt; ++port) + ksz_port_cfg(dev, port, REG_PORT_CTRL_2, PORT_INGRESS_FILTER, + flag); + return 0; } +static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state) +{ + if (ksz_is_ksz88x3(dev)) { + ksz_cfg(dev, REG_SW_INSERT_SRC_PVID, + 0x03 << (4 - 2 * port), state); + } else { + ksz_pwrite8(dev, port, REG_PORT_CTRL_12, state ? 0x0f : 0x00); + } +} + static int ksz8_port_vlan_add(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan, struct netlink_ext_ack *extack) { bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; struct ksz_device *dev = ds->priv; + struct ksz_port *p = &dev->ports[port]; u16 data, new_pvid = 0; u8 fid, member, valid; if (ksz_is_ksz88x3(dev)) return -ENOTSUPP; - ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged); + /* If a VLAN is added with untagged flag different from the + * port's Remove Tag flag, we need to change the latter. + * Ignore VID 0, which is always untagged. + * Ignore CPU port, which will always be tagged. + */ + if (untagged != p->remove_tag && vlan->vid != 0 && + port != dev->cpu_port) { + unsigned int vid; + + /* Reject attempts to add a VLAN that requires the + * Remove Tag flag to be changed, unless there are no + * other VLANs currently configured. + */ + for (vid = 1; vid < dev->num_vlans; ++vid) { + /* Skip the VID we are going to add or reconfigure */ + if (vid == vlan->vid) + continue; + + ksz8_from_vlan(dev, dev->vlan_cache[vid].table[0], + &fid, &member, &valid); + if (valid && (member & BIT(port))) + return -EINVAL; + } + + ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged); + p->remove_tag = untagged; + } ksz8_r_vlan_table(dev, vlan->vid, &data); ksz8_from_vlan(dev, data, &fid, &member, &valid); @@ -1160,9 +1203,11 @@ static int ksz8_port_vlan_add(struct dsa_switch *ds, int port, u16 vid; ksz_pread16(dev, port, REG_PORT_CTRL_VID, &vid); - vid &= 0xfff; + vid &= ~VLAN_VID_MASK; vid |= new_pvid; ksz_pwrite16(dev, port, REG_PORT_CTRL_VID, vid); + + ksz8_port_enable_pvid(dev, port, true); } return 0; @@ -1171,9 +1216,8 @@ static int ksz8_port_vlan_add(struct dsa_switch *ds, int port, static int ksz8_port_vlan_del(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan) { - bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; struct ksz_device *dev = ds->priv; - u16 data, pvid, new_pvid = 0; + u16 data, pvid; u8 fid, member, valid; if (ksz_is_ksz88x3(dev)) @@ -1182,8 +1226,6 @@ static int ksz8_port_vlan_del(struct dsa_switch *ds, int port, ksz_pread16(dev, port, REG_PORT_CTRL_VID, &pvid); pvid = pvid & 0xFFF; - ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged); - ksz8_r_vlan_table(dev, vlan->vid, &data); ksz8_from_vlan(dev, data, &fid, &member, &valid); @@ -1195,14 +1237,11 @@ static int ksz8_port_vlan_del(struct dsa_switch *ds, int port, valid = 0; } - if (pvid == vlan->vid) - new_pvid = 1; - ksz8_to_vlan(dev, fid, member, valid, &data); ksz8_w_vlan_table(dev, vlan->vid, data); - if (new_pvid != pvid) - ksz_pwrite16(dev, port, REG_PORT_CTRL_VID, pvid); + if (pvid == vlan->vid) + ksz8_port_enable_pvid(dev, port, false); return 0; } @@ -1435,6 +1474,9 @@ static int ksz8_setup(struct dsa_switch *ds) ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false); + if (!ksz_is_ksz88x3(dev)) + ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true); + /* set broadcast storm protection 10% rate */ regmap_update_bits(dev->regmap[1], S_REPLACE_VID_CTRL, BROADCAST_STORM_RATE, @@ -1717,6 +1759,16 @@ static int ksz8_switch_init(struct ksz_device *dev) /* set the real number of ports */ dev->ds->num_ports = dev->port_cnt; + /* We rely on software untagging on the CPU port, so that we + * can support both tagged and untagged VLANs + */ + dev->ds->untag_bridge_pvid = true; + + /* VLAN filtering is partly controlled by the global VLAN + * Enable flag + */ + dev->ds->vlan_filtering_is_global = true; + return 0; } diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index a32355624f31..6b40bc25f7ff 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -631,6 +631,10 @@ #define REG_PORT_4_OUT_RATE_3 0xEE #define REG_PORT_5_OUT_RATE_3 0xFE +/* 88x3 specific */ + +#define REG_SW_INSERT_SRC_PVID 0xC2 + /* PME */ #define SW_PME_OUTPUT_ENABLE BIT(1) diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 2e6bfd333f50..1597c63988b4 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -27,6 +27,7 @@ struct ksz_port_mib { struct ksz_port { u16 member; u16 vid_member; + bool remove_tag; /* Remove Tag flag set, for ksz8795 only */ int stp_state; struct phy_device phydev; @@ -205,12 +206,8 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val) int ret; ret = regmap_bulk_read(dev->regmap[2], reg, value, 2); - if (!ret) { - /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */ - value[0] = swab32(value[0]); - value[1] = swab32(value[1]); - *val = swab64((u64)*value); - } + if (!ret) + *val = (u64)value[0] << 32 | value[1]; return ret; } diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 69f21b71614c..632f0fcc5aa7 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -47,6 +47,7 @@ static const struct mt7530_mib_desc mt7530_mib[] = { MIB_DESC(2, 0x48, "TxBytes"), MIB_DESC(1, 0x60, "RxDrop"), MIB_DESC(1, 0x64, "RxFiltering"), + MIB_DESC(1, 0x68, "RxUnicast"), MIB_DESC(1, 0x6c, "RxMulticast"), MIB_DESC(1, 0x70, "RxBroadcast"), MIB_DESC(1, 0x74, "RxAlignErr"), diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index beb41572d04e..272b0535d946 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2155,7 +2155,7 @@ static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip, int i, err; if (!vid) - return -EOPNOTSUPP; + return 0; err = mv88e6xxx_vtu_get(chip, vid, &vlan); if (err) diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c index b1d46dd8eaab..6ea003678798 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.c +++ b/drivers/net/dsa/mv88e6xxx/serdes.c @@ -1277,15 +1277,16 @@ static int mv88e6393x_serdes_port_errata(struct mv88e6xxx_chip *chip, int lane) int err; /* mv88e6393x family errata 4.6: - * Cannot clear PwrDn bit on SERDES on port 0 if device is configured - * CPU_MGD mode or P0_mode is configured for [x]MII. - * Workaround: Set Port0 SERDES register 4.F002 bit 5=0 and bit 15=1. + * Cannot clear PwrDn bit on SERDES if device is configured CPU_MGD + * mode or P0_mode is configured for [x]MII. + * Workaround: Set SERDES register 4.F002 bit 5=0 and bit 15=1. * * It seems that after this workaround the SERDES is automatically * powered up (the bit is cleared), so power it down. */ - if (lane == MV88E6393X_PORT0_LANE) { - err = mv88e6390_serdes_read(chip, MV88E6393X_PORT0_LANE, + if (lane == MV88E6393X_PORT0_LANE || lane == MV88E6393X_PORT9_LANE || + lane == MV88E6393X_PORT10_LANE) { + err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS, MV88E6393X_SERDES_POC, ®); if (err) diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c index ca2ad77b71f1..563d8a279030 100644 --- a/drivers/net/dsa/qca/ar9331.c +++ b/drivers/net/dsa/qca/ar9331.c @@ -101,6 +101,23 @@ AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \ AR9331_SW_PORT_STATUS_SPEED_M) +#define AR9331_SW_REG_PORT_CTRL(_port) (0x104 + (_port) * 0x100) +#define AR9331_SW_PORT_CTRL_HEAD_EN BIT(11) +#define AR9331_SW_PORT_CTRL_PORT_STATE GENMASK(2, 0) +#define AR9331_SW_PORT_CTRL_PORT_STATE_DISABLED 0 +#define AR9331_SW_PORT_CTRL_PORT_STATE_BLOCKING 1 +#define AR9331_SW_PORT_CTRL_PORT_STATE_LISTENING 2 +#define AR9331_SW_PORT_CTRL_PORT_STATE_LEARNING 3 +#define AR9331_SW_PORT_CTRL_PORT_STATE_FORWARD 4 + +#define AR9331_SW_REG_PORT_VLAN(_port) (0x108 + (_port) * 0x100) +#define AR9331_SW_PORT_VLAN_8021Q_MODE GENMASK(31, 30) +#define AR9331_SW_8021Q_MODE_SECURE 3 +#define AR9331_SW_8021Q_MODE_CHECK 2 +#define AR9331_SW_8021Q_MODE_FALLBACK 1 +#define AR9331_SW_8021Q_MODE_NONE 0 +#define AR9331_SW_PORT_VLAN_PORT_VID_MEMBER GENMASK(25, 16) + /* MIB registers */ #define AR9331_MIB_COUNTER(x) (0x20000 + ((x) * 0x100)) @@ -371,12 +388,60 @@ static int ar9331_sw_mbus_init(struct ar9331_sw_priv *priv) return 0; } -static int ar9331_sw_setup(struct dsa_switch *ds) +static int ar9331_sw_setup_port(struct dsa_switch *ds, int port) { struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv; struct regmap *regmap = priv->regmap; + u32 port_mask, port_ctrl, val; int ret; + /* Generate default port settings */ + port_ctrl = FIELD_PREP(AR9331_SW_PORT_CTRL_PORT_STATE, + AR9331_SW_PORT_CTRL_PORT_STATE_FORWARD); + + if (dsa_is_cpu_port(ds, port)) { + /* CPU port should be allowed to communicate with all user + * ports. + */ + port_mask = dsa_user_ports(ds); + /* Enable Atheros header on CPU port. This will allow us + * communicate with each port separately + */ + port_ctrl |= AR9331_SW_PORT_CTRL_HEAD_EN; + } else if (dsa_is_user_port(ds, port)) { + /* User ports should communicate only with the CPU port. + */ + port_mask = BIT(dsa_upstream_port(ds, port)); + } else { + /* Other ports do not need to communicate at all */ + port_mask = 0; + } + + val = FIELD_PREP(AR9331_SW_PORT_VLAN_8021Q_MODE, + AR9331_SW_8021Q_MODE_NONE) | + FIELD_PREP(AR9331_SW_PORT_VLAN_PORT_VID_MEMBER, port_mask); + + ret = regmap_write(regmap, AR9331_SW_REG_PORT_VLAN(port), val); + if (ret) + goto error; + + ret = regmap_write(regmap, AR9331_SW_REG_PORT_CTRL(port), port_ctrl); + if (ret) + goto error; + + return 0; +error: + dev_err(priv->dev, "%s: error: %i\n", __func__, ret); + + return ret; +} + +static int ar9331_sw_setup(struct dsa_switch *ds) +{ + struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv; + struct regmap *regmap = priv->regmap; + int ret, i; + ret = ar9331_sw_reset(priv); if (ret) return ret; @@ -402,6 +467,12 @@ static int ar9331_sw_setup(struct dsa_switch *ds) if (ret) goto error; + for (i = 0; i < ds->num_ports; i++) { + ret = ar9331_sw_setup_port(ds, i); + if (ret) + goto error; + } + ds->configure_vlan_while_not_filtering = false; return 0; @@ -837,16 +908,24 @@ static int ar9331_mdio_write(void *ctx, u32 reg, u32 val) return 0; } - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val); + /* In case of this switch we work with 32bit registers on top of 16bit + * bus. Some registers (for example access to forwarding database) have + * trigger bit on the first 16bit half of request, the result and + * configuration of request in the second half. + * To make it work properly, we should do the second part of transfer + * before the first one is done. + */ + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2, + val >> 16); if (ret < 0) goto error; - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2, - val >> 16); + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val); if (ret < 0) goto error; return 0; + error: dev_err_ratelimited(&sbus->dev, "Bus error. Failed to write register.\n"); return ret; diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c index 56fead68ea9f..147709131c13 100644 --- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c +++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c @@ -304,6 +304,15 @@ sja1105pqrs_common_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, hostcmd = SJA1105_HOSTCMD_INVALIDATE; } sja1105_packing(p, &hostcmd, 25, 23, size, op); +} + +static void +sja1105pqrs_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, + enum packing_op op) +{ + int entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY; + + sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, entry_size); /* Hack - The hardware takes the 'index' field within * struct sja1105_l2_lookup_entry as the index on which this command @@ -313,26 +322,18 @@ sja1105pqrs_common_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, * such that our API doesn't need to ask for a full-blown entry * structure when e.g. a delete is requested. */ - sja1105_packing(buf, &cmd->index, 15, 6, - SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, op); -} - -static void -sja1105pqrs_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, - enum packing_op op) -{ - int size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY; - - return sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, size); + sja1105_packing(buf, &cmd->index, 15, 6, entry_size, op); } static void sja1110_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, enum packing_op op) { - int size = SJA1110_SIZE_L2_LOOKUP_ENTRY; + int entry_size = SJA1110_SIZE_L2_LOOKUP_ENTRY; + + sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, entry_size); - return sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, size); + sja1105_packing(buf, &cmd->index, 10, 1, entry_size, op); } /* The switch is so retarded that it makes our command/entry abstraction diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index e2dc997580a8..49eb0ac41b7d 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1318,10 +1318,11 @@ static int sja1105et_is_fdb_entry_in_bin(struct sja1105_private *priv, int bin, int sja1105et_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { - struct sja1105_l2_lookup_entry l2_lookup = {0}; + struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp; struct sja1105_private *priv = ds->priv; struct device *dev = ds->dev; int last_unused = -1; + int start, end, i; int bin, way, rc; bin = sja1105et_fdb_hash(priv, addr, vid); @@ -1333,7 +1334,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, * mask? If yes, we need to do nothing. If not, we need * to rewrite the entry by adding this port to it. */ - if (l2_lookup.destports & BIT(port)) + if ((l2_lookup.destports & BIT(port)) && l2_lookup.lockeds) return 0; l2_lookup.destports |= BIT(port); } else { @@ -1364,6 +1365,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, index, NULL, false); } } + l2_lookup.lockeds = true; l2_lookup.index = sja1105et_fdb_index(bin, way); rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, @@ -1372,6 +1374,29 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, if (rc < 0) return rc; + /* Invalidate a dynamically learned entry if that exists */ + start = sja1105et_fdb_index(bin, 0); + end = sja1105et_fdb_index(bin, way); + + for (i = start; i < end; i++) { + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, + i, &tmp); + if (rc == -ENOENT) + continue; + if (rc) + return rc; + + if (tmp.macaddr != ether_addr_to_u64(addr) || tmp.vlanid != vid) + continue; + + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, + i, NULL, false); + if (rc) + return rc; + + break; + } + return sja1105_static_fdb_change(priv, port, &l2_lookup, true); } @@ -1413,32 +1438,30 @@ int sja1105et_fdb_del(struct dsa_switch *ds, int port, int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { - struct sja1105_l2_lookup_entry l2_lookup = {0}; + struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp; struct sja1105_private *priv = ds->priv; int rc, i; /* Search for an existing entry in the FDB table */ l2_lookup.macaddr = ether_addr_to_u64(addr); l2_lookup.vlanid = vid; - l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (priv->vlan_state != SJA1105_VLAN_UNAWARE) { - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); - } else { - l2_lookup.mask_vlanid = 0; - l2_lookup.mask_iotag = 0; - } + l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.destports = BIT(port); + tmp = l2_lookup; + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, - SJA1105_SEARCH, &l2_lookup); - if (rc == 0) { - /* Found and this port is already in the entry's + SJA1105_SEARCH, &tmp); + if (rc == 0 && tmp.index != SJA1105_MAX_L2_LOOKUP_COUNT - 1) { + /* Found a static entry and this port is already in the entry's * port mask => job done */ - if (l2_lookup.destports & BIT(port)) + if ((tmp.destports & BIT(port)) && tmp.lockeds) return 0; + + l2_lookup = tmp; + /* l2_lookup.index is populated by the switch in case it * found something. */ @@ -1460,16 +1483,46 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, dev_err(ds->dev, "FDB is full, cannot add entry.\n"); return -EINVAL; } - l2_lookup.lockeds = true; l2_lookup.index = i; skip_finding_an_index: + l2_lookup.lockeds = true; + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, l2_lookup.index, &l2_lookup, true); if (rc < 0) return rc; + /* The switch learns dynamic entries and looks up the FDB left to + * right. It is possible that our addition was concurrent with the + * dynamic learning of the same address, so now that the static entry + * has been installed, we are certain that address learning for this + * particular address has been turned off, so the dynamic entry either + * is in the FDB at an index smaller than the static one, or isn't (it + * can also be at a larger index, but in that case it is inactive + * because the static FDB entry will match first, and the dynamic one + * will eventually age out). Search for a dynamically learned address + * prior to our static one and invalidate it. + */ + tmp = l2_lookup; + + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, + SJA1105_SEARCH, &tmp); + if (rc < 0) { + dev_err(ds->dev, + "port %d failed to read back entry for %pM vid %d: %pe\n", + port, addr, vid, ERR_PTR(rc)); + return rc; + } + + if (tmp.index < l2_lookup.index) { + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, + tmp.index, NULL, false); + if (rc < 0) + return rc; + } + return sja1105_static_fdb_change(priv, port, &l2_lookup, true); } @@ -1483,15 +1536,8 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, l2_lookup.macaddr = ether_addr_to_u64(addr); l2_lookup.vlanid = vid; - l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (priv->vlan_state != SJA1105_VLAN_UNAWARE) { - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); - } else { - l2_lookup.mask_vlanid = 0; - l2_lookup.mask_iotag = 0; - } + l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.destports = BIT(port); rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, @@ -1589,7 +1635,9 @@ static int sja1105_fdb_dump(struct dsa_switch *ds, int port, /* We need to hide the dsa_8021q VLANs from the user. */ if (priv->vlan_state == SJA1105_VLAN_UNAWARE) l2_lookup.vlanid = 0; - cb(macaddr, l2_lookup.vlanid, l2_lookup.lockeds, data); + rc = cb(macaddr, l2_lookup.vlanid, l2_lookup.lockeds, data); + if (rc) + return rc; } return 0; } @@ -3139,6 +3187,7 @@ static void sja1105_teardown(struct dsa_switch *ds) } sja1105_devlink_teardown(ds); + sja1105_mdiobus_unregister(ds); sja1105_flower_teardown(ds); sja1105_tas_teardown(ds); sja1105_ptp_clock_unregister(ds); diff --git a/drivers/net/dsa/sja1105/sja1105_mdio.c b/drivers/net/dsa/sja1105/sja1105_mdio.c index 19aea8fb76f6..705d3900e43a 100644 --- a/drivers/net/dsa/sja1105/sja1105_mdio.c +++ b/drivers/net/dsa/sja1105/sja1105_mdio.c @@ -284,8 +284,7 @@ static int sja1105_mdiobus_base_tx_register(struct sja1105_private *priv, struct mii_bus *bus; int rc = 0; - np = of_find_compatible_node(mdio_node, NULL, - "nxp,sja1110-base-tx-mdio"); + np = of_get_compatible_child(mdio_node, "nxp,sja1110-base-tx-mdio"); if (!np) return 0; @@ -339,8 +338,7 @@ static int sja1105_mdiobus_base_t1_register(struct sja1105_private *priv, struct mii_bus *bus; int rc = 0; - np = of_find_compatible_node(mdio_node, NULL, - "nxp,sja1110-base-t1-mdio"); + np = of_get_compatible_child(mdio_node, "nxp,sja1110-base-t1-mdio"); if (!np) return 0; |