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Message-Id: <20170217150531.2181-3-vivien.didelot@savoirfairelinux.com>
Date: Fri, 17 Feb 2017 10:05:27 -0500
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next v2 2/6] net: dsa: mv88e6xxx: move ATU code in its own file
Move the Global (1) ATU related code in its own file, and export the
necessary primitives.
Use that opportunity to provide a cleaner API for the ATU, by renaming a
few underscore prefixed functions, and members of the
mv88e6xxx_atu_entry structures.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/Makefile | 1 +
drivers/net/dsa/mv88e6xxx/chip.c | 331 +++++---------------------------
drivers/net/dsa/mv88e6xxx/global1.h | 9 +
drivers/net/dsa/mv88e6xxx/global1_atu.c | 245 +++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 2 +-
5 files changed, 308 insertions(+), 280 deletions(-)
create mode 100644 drivers/net/dsa/mv88e6xxx/global1_atu.c
diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile
index c36be318de1a..31d37a90cec7 100644
--- a/drivers/net/dsa/mv88e6xxx/Makefile
+++ b/drivers/net/dsa/mv88e6xxx/Makefile
@@ -1,5 +1,6 @@
obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
mv88e6xxx-objs := chip.o
mv88e6xxx-objs += global1.o
+mv88e6xxx-objs += global1_atu.o
mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_GLOBAL2) += global2.o
mv88e6xxx-objs += port.o
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 03dc886ed3d6..4809eea933da 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1066,11 +1066,6 @@ static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
mutex_unlock(&chip->reg_lock);
}
-static int _mv88e6xxx_atu_wait(struct mv88e6xxx_chip *chip)
-{
- return mv88e6xxx_g1_wait(chip, GLOBAL_ATU_OP, GLOBAL_ATU_OP_BUSY);
-}
-
static int mv88e6xxx_get_eee(struct dsa_switch *ds, int port,
struct ethtool_eee *e)
{
@@ -1130,122 +1125,6 @@ static int mv88e6xxx_set_eee(struct dsa_switch *ds, int port,
return err;
}
-static int _mv88e6xxx_atu_cmd(struct mv88e6xxx_chip *chip, u16 fid, u16 cmd)
-{
- u16 val;
- int err;
-
- if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_ATU_FID)) {
- err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_FID, fid);
- if (err)
- return err;
- } else if (mv88e6xxx_num_databases(chip) == 256) {
- /* ATU DBNum[7:4] are located in ATU Control 15:12 */
- err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_CONTROL, &val);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL,
- (val & 0xfff) | ((fid << 8) & 0xf000));
- if (err)
- return err;
-
- /* ATU DBNum[3:0] are located in ATU Operation 3:0 */
- cmd |= fid & 0xf;
- }
-
- err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_OP, cmd);
- if (err)
- return err;
-
- return _mv88e6xxx_atu_wait(chip);
-}
-
-static int _mv88e6xxx_atu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_atu_entry *entry)
-{
- u16 data = entry->state & GLOBAL_ATU_DATA_STATE_MASK;
-
- if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) {
- unsigned int mask, shift;
-
- if (entry->trunk) {
- data |= GLOBAL_ATU_DATA_TRUNK;
- mask = GLOBAL_ATU_DATA_TRUNK_ID_MASK;
- shift = GLOBAL_ATU_DATA_TRUNK_ID_SHIFT;
- } else {
- mask = GLOBAL_ATU_DATA_PORT_VECTOR_MASK;
- shift = GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT;
- }
-
- data |= (entry->portv_trunkid << shift) & mask;
- }
-
- return mv88e6xxx_g1_write(chip, GLOBAL_ATU_DATA, data);
-}
-
-static int _mv88e6xxx_atu_flush_move(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_atu_entry *entry,
- bool static_too)
-{
- int op;
- int err;
-
- err = _mv88e6xxx_atu_wait(chip);
- if (err)
- return err;
-
- err = _mv88e6xxx_atu_data_write(chip, entry);
- if (err)
- return err;
-
- if (entry->fid) {
- op = static_too ? GLOBAL_ATU_OP_FLUSH_MOVE_ALL_DB :
- GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC_DB;
- } else {
- op = static_too ? GLOBAL_ATU_OP_FLUSH_MOVE_ALL :
- GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC;
- }
-
- return _mv88e6xxx_atu_cmd(chip, entry->fid, op);
-}
-
-static int _mv88e6xxx_atu_flush(struct mv88e6xxx_chip *chip,
- u16 fid, bool static_too)
-{
- struct mv88e6xxx_atu_entry entry = {
- .fid = fid,
- .state = 0, /* EntryState bits must be 0 */
- };
-
- return _mv88e6xxx_atu_flush_move(chip, &entry, static_too);
-}
-
-static int _mv88e6xxx_atu_move(struct mv88e6xxx_chip *chip, u16 fid,
- int from_port, int to_port, bool static_too)
-{
- struct mv88e6xxx_atu_entry entry = {
- .trunk = false,
- .fid = fid,
- };
-
- /* EntryState bits must be 0xF */
- entry.state = GLOBAL_ATU_DATA_STATE_MASK;
-
- /* ToPort and FromPort are respectively in PortVec bits 7:4 and 3:0 */
- entry.portv_trunkid = (to_port & 0x0f) << 4;
- entry.portv_trunkid |= from_port & 0x0f;
-
- return _mv88e6xxx_atu_flush_move(chip, &entry, static_too);
-}
-
-static int _mv88e6xxx_atu_remove(struct mv88e6xxx_chip *chip, u16 fid,
- int port, bool static_too)
-{
- /* Destination port 0xF means remove the entries */
- return _mv88e6xxx_atu_move(chip, fid, port, 0x0f, static_too);
-}
-
static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port)
{
struct dsa_switch *ds = chip->ds;
@@ -1306,13 +1185,35 @@ static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
netdev_err(ds->ports[port].netdev, "failed to update state\n");
}
+static int mv88e6xxx_atu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ return mv88e6xxx_g1_atu_getnext(chip, entry);
+}
+
+static int mv88e6xxx_atu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ return mv88e6xxx_g1_atu_loadpurge(chip, entry);
+}
+
+static int mv88e6xxx_atu_flush(struct mv88e6xxx_chip *chip, u16 fid)
+{
+ return mv88e6xxx_g1_atu_flush(chip, fid, true);
+}
+
+static int mv88e6xxx_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port)
+{
+ return mv88e6xxx_g1_atu_remove(chip, fid, port, false);
+}
+
static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
{
struct mv88e6xxx_chip *chip = ds->priv;
int err;
mutex_lock(&chip->reg_lock);
- err = _mv88e6xxx_atu_remove(chip, 0, port, false);
+ err = mv88e6xxx_atu_remove(chip, 0, port);
mutex_unlock(&chip->reg_lock);
if (err)
@@ -1662,7 +1563,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
return _mv88e6xxx_vtu_cmd(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
}
-static int _mv88e6xxx_fid_new(struct mv88e6xxx_chip *chip, u16 *fid)
+static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
{
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
struct mv88e6xxx_vtu_entry vlan;
@@ -1703,7 +1604,7 @@ static int _mv88e6xxx_fid_new(struct mv88e6xxx_chip *chip, u16 *fid)
return -ENOSPC;
/* Clear the database */
- return _mv88e6xxx_atu_flush(chip, *fid, true);
+ return mv88e6xxx_atu_flush(chip, *fid);
}
static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
@@ -1716,7 +1617,7 @@ static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
};
int i, err;
- err = _mv88e6xxx_fid_new(chip, &vlan.fid);
+ err = mv88e6xxx_atu_new(chip, &vlan.fid);
if (err)
return err;
@@ -1964,7 +1865,7 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
if (err)
return err;
- return _mv88e6xxx_atu_remove(chip, vlan.fid, port, false);
+ return mv88e6xxx_atu_remove(chip, vlan.fid, port);
}
static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
@@ -2001,102 +1902,12 @@ static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
return err;
}
-static int _mv88e6xxx_atu_mac_write(struct mv88e6xxx_chip *chip,
- const unsigned char *addr)
-{
- int i, err;
-
- for (i = 0; i < 3; i++) {
- err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_MAC_01 + i,
- (addr[i * 2] << 8) | addr[i * 2 + 1]);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-static int _mv88e6xxx_atu_mac_read(struct mv88e6xxx_chip *chip,
- unsigned char *addr)
-{
- u16 val;
- int i, err;
-
- for (i = 0; i < 3; i++) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_MAC_01 + i, &val);
- if (err)
- return err;
-
- addr[i * 2] = val >> 8;
- addr[i * 2 + 1] = val & 0xff;
- }
-
- return 0;
-}
-
-static int _mv88e6xxx_atu_load(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_atu_entry *entry)
-{
- int ret;
-
- ret = _mv88e6xxx_atu_wait(chip);
- if (ret < 0)
- return ret;
-
- ret = _mv88e6xxx_atu_mac_write(chip, entry->mac);
- if (ret < 0)
- return ret;
-
- ret = _mv88e6xxx_atu_data_write(chip, entry);
- if (ret < 0)
- return ret;
-
- return _mv88e6xxx_atu_cmd(chip, entry->fid, GLOBAL_ATU_OP_LOAD_DB);
-}
-
-static int _mv88e6xxx_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid,
- struct mv88e6xxx_atu_entry *entry);
-
-static int mv88e6xxx_atu_get(struct mv88e6xxx_chip *chip, int fid,
- const u8 *addr, struct mv88e6xxx_atu_entry *entry)
-{
- struct mv88e6xxx_atu_entry next;
- int err;
-
- memcpy(next.mac, addr, ETH_ALEN);
- eth_addr_dec(next.mac);
-
- err = _mv88e6xxx_atu_mac_write(chip, next.mac);
- if (err)
- return err;
-
- do {
- err = _mv88e6xxx_atu_getnext(chip, fid, &next);
- if (err)
- return err;
-
- if (next.state == GLOBAL_ATU_DATA_STATE_UNUSED)
- break;
-
- if (ether_addr_equal(next.mac, addr)) {
- *entry = next;
- return 0;
- }
- } while (ether_addr_greater(addr, next.mac));
-
- memset(entry, 0, sizeof(*entry));
- entry->fid = fid;
- ether_addr_copy(entry->mac, addr);
-
- return 0;
-}
-
static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
const unsigned char *addr, u16 vid,
u8 state)
{
+ struct mv88e6xxx_atu_entry entry = { 0 };
struct mv88e6xxx_vtu_entry vlan;
- struct mv88e6xxx_atu_entry entry;
int err;
/* Null VLAN ID corresponds to the port private database */
@@ -2107,21 +1918,32 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
if (err)
return err;
- err = mv88e6xxx_atu_get(chip, vlan.fid, addr, &entry);
+ entry.fid = vlan.fid;
+ ether_addr_copy(entry.mac, addr);
+ eth_addr_dec(entry.mac);
+ err = mv88e6xxx_atu_getnext(chip, &entry);
if (err)
return err;
+ /* Initialize a fresh ATU entry if it isn't found */
+ if (entry.state == GLOBAL_ATU_DATA_STATE_UNUSED ||
+ !ether_addr_equal(entry.mac, addr)) {
+ memset(&entry, 0, sizeof(entry));
+ ether_addr_copy(entry.mac, addr);
+ entry.fid = vlan.fid;
+ }
+
/* Purge the ATU entry only if no port is using it anymore */
if (state == GLOBAL_ATU_DATA_STATE_UNUSED) {
- entry.portv_trunkid &= ~BIT(port);
- if (!entry.portv_trunkid)
+ entry.portvec &= ~BIT(port);
+ if (!entry.portvec)
entry.state = GLOBAL_ATU_DATA_STATE_UNUSED;
} else {
- entry.portv_trunkid |= BIT(port);
+ entry.portvec |= BIT(port);
entry.state = state;
}
- return _mv88e6xxx_atu_load(chip, &entry);
+ return mv88e6xxx_atu_loadpurge(chip, &entry);
}
static int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
@@ -2161,52 +1983,6 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
return err;
}
-static int _mv88e6xxx_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid,
- struct mv88e6xxx_atu_entry *entry)
-{
- struct mv88e6xxx_atu_entry next = { 0 };
- u16 val;
- int err;
-
- next.fid = fid;
-
- err = _mv88e6xxx_atu_wait(chip);
- if (err)
- return err;
-
- err = _mv88e6xxx_atu_cmd(chip, fid, GLOBAL_ATU_OP_GET_NEXT_DB);
- if (err)
- return err;
-
- err = _mv88e6xxx_atu_mac_read(chip, next.mac);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_DATA, &val);
- if (err)
- return err;
-
- next.state = val & GLOBAL_ATU_DATA_STATE_MASK;
- if (next.state != GLOBAL_ATU_DATA_STATE_UNUSED) {
- unsigned int mask, shift;
-
- if (val & GLOBAL_ATU_DATA_TRUNK) {
- next.trunk = true;
- mask = GLOBAL_ATU_DATA_TRUNK_ID_MASK;
- shift = GLOBAL_ATU_DATA_TRUNK_ID_SHIFT;
- } else {
- next.trunk = false;
- mask = GLOBAL_ATU_DATA_PORT_VECTOR_MASK;
- shift = GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT;
- }
-
- next.portv_trunkid = (val & mask) >> shift;
- }
-
- *entry = next;
- return 0;
-}
-
static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
u16 fid, u16 vid, int port,
struct switchdev_obj *obj,
@@ -2214,22 +1990,19 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
{
struct mv88e6xxx_atu_entry addr = {
.mac = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
+ .fid = fid,
};
int err;
- err = _mv88e6xxx_atu_mac_write(chip, addr.mac);
- if (err)
- return err;
-
do {
- err = _mv88e6xxx_atu_getnext(chip, fid, &addr);
+ err = mv88e6xxx_atu_getnext(chip, &addr);
if (err)
return err;
if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED)
break;
- if (addr.trunk || (addr.portv_trunkid & BIT(port)) == 0)
+ if (addr.trunk || (addr.portvec & BIT(port)) == 0)
continue;
if (obj->id == SWITCHDEV_OBJ_ID_PORT_FDB) {
@@ -2787,11 +2560,6 @@ static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
if (err)
return err;
- /* Clear all ATU entries */
- err = _mv88e6xxx_atu_flush(chip, 0, true);
- if (err)
- return err;
-
/* Configure the IP ToS mapping registers. */
err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_0, 0x0000);
if (err)
@@ -2872,6 +2640,11 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
goto unlock;
}
+ /* Clear all ATU entries */
+ err = mv88e6xxx_atu_flush(chip, 0);
+ if (err)
+ goto unlock;
+
/* Some generations have the configuration of sending reserved
* management frames to the CPU in global2, others in
* global1. Hence it does not fit the two setup functions
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 1aec7382c02d..354119d8e628 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -38,4 +38,13 @@ int mv88e6095_g1_set_cpu_port(struct mv88e6xxx_chip *chip, int port);
int mv88e6390_g1_set_cpu_port(struct mv88e6xxx_chip *chip, int port);
int mv88e6390_g1_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip);
+int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry);
+int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry);
+int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid,
+ bool static_too);
+int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
+ bool static_too);
+
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c
new file mode 100644
index 000000000000..4758a68f88ea
--- /dev/null
+++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c
@@ -0,0 +1,245 @@
+/*
+ * Marvell 88E6xxx Address Translation Unit (ATU) support
+ *
+ * Copyright (c) 2008 Marvell Semiconductor
+ * Copyright (c) 2017 Savoir-faire Linux, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include "mv88e6xxx.h"
+#include "global1.h"
+
+/* Offset 0x01: ATU FID Register
+ * Offset 0x0A: ATU Control Register
+ * Offset 0x0B: ATU Operation Register
+ */
+
+static int mv88e6xxx_g1_atu_wait(struct mv88e6xxx_chip *chip)
+{
+ return mv88e6xxx_g1_wait(chip, GLOBAL_ATU_OP, GLOBAL_ATU_OP_BUSY);
+}
+
+static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op)
+{
+ u16 val;
+ int err;
+
+ /* FID bits are dispatched all around gradually as more are supported */
+ if (mv88e6xxx_num_databases(chip) > 256) {
+ err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_FID, fid);
+ if (err)
+ return err;
+ } 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);
+ if (err)
+ return err;
+
+ val = (val & 0x0fff) | ((fid << 8) & 0xf000);
+ err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val);
+ if (err)
+ return err;
+ }
+
+ /* ATU DBNum[3:0] are located in ATU Operation 3:0 */
+ op |= fid & 0xf;
+ }
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_OP, op);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_atu_wait(chip);
+}
+
+/* Offset 0x0C: ATU Data Register */
+
+static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_DATA, &val);
+ if (err)
+ return err;
+
+ entry->state = val & 0xf;
+ if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) {
+ if (val & GLOBAL_ATU_DATA_TRUNK)
+ entry->trunk = true;
+
+ entry->portvec = (val >> 4) & mv88e6xxx_port_mask(chip);
+ }
+
+ return 0;
+}
+
+static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ u16 data = entry->state & 0xf;
+
+ if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) {
+ if (entry->trunk)
+ data |= GLOBAL_ATU_DATA_TRUNK;
+
+ data |= (entry->portvec & mv88e6xxx_port_mask(chip)) << 4;
+ }
+
+ return mv88e6xxx_g1_write(chip, GLOBAL_ATU_DATA, data);
+}
+
+/* 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
+ */
+
+static int mv88e6xxx_g1_atu_mac_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ u16 val;
+ int i, err;
+
+ for (i = 0; i < 3; i++) {
+ err = mv88e6xxx_g1_read(chip, GLOBAL_ATU_MAC_01 + i, &val);
+ if (err)
+ return err;
+
+ entry->mac[i * 2] = val >> 8;
+ entry->mac[i * 2 + 1] = val & 0xff;
+ }
+
+ return 0;
+}
+
+static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ u16 val;
+ int i, err;
+
+ 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);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Address Translation Unit operations */
+
+int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_atu_wait(chip);
+ if (err)
+ return err;
+
+ /* Write the MAC address to iterate from only once */
+ if (entry->state == GLOBAL_ATU_DATA_STATE_UNUSED) {
+ err = mv88e6xxx_g1_atu_mac_write(chip, entry);
+ if (err)
+ return err;
+ }
+
+ err = mv88e6xxx_g1_atu_op(chip, entry->fid, GLOBAL_ATU_OP_GET_NEXT_DB);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_atu_data_read(chip, entry);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_atu_mac_read(chip, entry);
+}
+
+int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_atu_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_atu_mac_write(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_atu_data_write(chip, entry);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_atu_op(chip, entry->fid, GLOBAL_ATU_OP_LOAD_DB);
+}
+
+static int mv88e6xxx_g1_atu_flushmove(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_atu_entry *entry,
+ bool static_too)
+{
+ int op;
+ int err;
+
+ err = mv88e6xxx_g1_atu_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_atu_data_write(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->fid) {
+ op = static_too ? GLOBAL_ATU_OP_FLUSH_MOVE_ALL_DB :
+ GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC_DB;
+ } else {
+ op = static_too ? GLOBAL_ATU_OP_FLUSH_MOVE_ALL :
+ GLOBAL_ATU_OP_FLUSH_MOVE_NON_STATIC;
+ }
+
+ return mv88e6xxx_g1_atu_op(chip, entry->fid, op);
+}
+
+int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid,
+ bool static_too)
+{
+ struct mv88e6xxx_atu_entry entry = {
+ .fid = fid,
+ .state = 0, /* Null EntryState means Flush */
+ };
+
+ return mv88e6xxx_g1_atu_flushmove(chip, &entry, static_too);
+}
+
+static int mv88e6xxx_g1_atu_move(struct mv88e6xxx_chip *chip, u16 fid,
+ int from_port, int to_port, bool static_too)
+{
+ struct mv88e6xxx_atu_entry entry = { 0 };
+ unsigned long mask = 0xf;
+ int shift = bitmap_weight(&mask, 16);
+
+ entry.fid = fid,
+ entry.state = 0xf, /* Full EntryState means Move */
+ entry.portvec = from_port & mask;
+ entry.portvec |= (to_port & mask) << shift;
+
+ return mv88e6xxx_g1_atu_flushmove(chip, &entry, static_too);
+}
+
+int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
+ bool static_too)
+{
+ int from_port = port;
+ int to_port = 0xf;
+
+ return mv88e6xxx_g1_atu_move(chip, fid, from_port, to_port, static_too);
+}
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index 166b513ff751..93a686819d17 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -714,7 +714,7 @@ struct mv88e6xxx_atu_entry {
u16 fid;
u8 state;
bool trunk;
- u16 portv_trunkid;
+ u16 portvec;
u8 mac[ETH_ALEN];
};
--
2.11.1
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