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-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c140
-rw-r--r--drivers/net/dsa/mv88e6xxx/global1.h2
-rw-r--r--drivers/net/dsa/mv88e6xxx/global1_atu.c66
3 files changed, 84 insertions, 124 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 95dbf581b54a..2d1ec0d79fb6 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2012,76 +2012,6 @@ unlock:
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_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)
@@ -2098,10 +2028,21 @@ 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.state = GLOBAL_ATU_DATA_STATE_UNUSED;
+ ether_addr_copy(entry.mac, addr);
+ eth_addr_dec(entry.mac);
+
+ err = mv88e6xxx_g1_atu_getnext(chip, vlan.fid, &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);
+ }
+
/* Purge the ATU entry only if no port is using it anymore */
if (state == GLOBAL_ATU_DATA_STATE_UNUSED) {
entry.portv_trunkid &= ~BIT(port);
@@ -2152,68 +2093,19 @@ 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,
int (*cb)(struct switchdev_obj *obj))
{
- struct mv88e6xxx_atu_entry addr = {
- .mac = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
- };
+ struct mv88e6xxx_atu_entry addr;
int err;
- err = _mv88e6xxx_atu_mac_write(chip, addr.mac);
- if (err)
- return err;
+ addr.state = GLOBAL_ATU_DATA_STATE_UNUSED;
+ eth_broadcast_addr(addr.mac);
do {
- err = _mv88e6xxx_atu_getnext(chip, fid, &addr);
+ err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 2c03f2e04639..8dd8ecc9f064 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -41,6 +41,8 @@ int mv88e6390_g1_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_atu_set_learn2all(struct mv88e6xxx_chip *chip, bool learn2all);
int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip *chip,
unsigned int msecs);
+int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid,
+ struct mv88e6xxx_atu_entry *entry);
int mv88e6xxx_g1_atu_loadpurge(struct mv88e6xxx_chip *chip, u16 fid,
struct mv88e6xxx_atu_entry *entry);
diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c
index 09190559178b..94e940522849 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_atu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c
@@ -109,6 +109,27 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op)
/* 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->portv_trunkid = (val >> 4) & mv88e6xxx_port_mask(chip);
+ }
+
+ return 0;
+}
+
static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_atu_entry *entry)
{
@@ -129,6 +150,24 @@ static int mv88e6xxx_g1_atu_data_write(struct mv88e6xxx_chip *chip,
* 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)
{
@@ -147,6 +186,33 @@ static int mv88e6xxx_g1_atu_mac_write(struct mv88e6xxx_chip *chip,
/* Address Translation Unit operations */
+int mv88e6xxx_g1_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid,
+ struct mv88e6xxx_atu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_atu_op_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, 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, u16 fid,
struct mv88e6xxx_atu_entry *entry)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 13:56:29 +0000