[RFC Patch net-next v2 09/15] net: dsa: microchip: update fdb add/del/dump in ksz_common

Arun Ramadoss
2022-05-30T10:47:00Z

This patch makes the dsa_switch_hook for fdbs to use ksz_common.c file.
And from ksz_common, individual switches fdb functions are called using
the dev->dev_ops.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
---
drivers/net/dsa/microchip/ksz8795.c | 30 +++++++++++++++
drivers/net/dsa/microchip/ksz9477.c | 28 +++++++-------
drivers/net/dsa/microchip/ksz_common.c | 52 +++++++++++++++-----------
drivers/net/dsa/microchip/ksz_common.h | 10 +++++
4 files changed, 84 insertions(+), 36 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index abd28dc44eb5..528de481b319 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -958,6 +958,35 @@ static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
}
}

+static int ksz8_fdb_dump(struct ksz_device *dev, int port,
+ dsa_fdb_dump_cb_t *cb, void *data)
+{
+ int ret = 0;
+ u16 i = 0;
+ u16 entries = 0;
+ u8 timestamp = 0;
+ u8 fid;
+ u8 member;
+ struct alu_struct alu;
+
+ do {
+ alu.is_static = false;
+ ret = dev->dev_ops->r_dyn_mac_table(dev, i, alu.mac, &fid,
+ &member, &timestamp,
+ &entries);
+ if (!ret && (member & BIT(port))) {
+ ret = cb(alu.mac, alu.fid, alu.is_static, data);
+ if (ret)
+ break;
+ }
+ i++;
+ } while (i < entries);
+ if (i >= entries)
+ ret = 0;
+
+ return ret;
+}
+
static int ksz8_mdb_add(struct ksz_device *dev, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db)
@@ -1528,6 +1557,7 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
.r_mib_pkt = ksz8_r_mib_pkt,
.freeze_mib = ksz8_freeze_mib,
.port_init_cnt = ksz8_port_init_cnt,
+ .fdb_dump = ksz8_fdb_dump,
.mdb_add = ksz8_mdb_add,
.mdb_del = ksz8_mdb_del,
.vlan_filtering = ksz8_port_vlan_filtering,
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 045856656466..d70e0c32b309 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -457,11 +457,10 @@ static int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
return 0;
}

-static int ksz9477_port_fdb_add(struct dsa_switch *ds, int port,
- const unsigned char *addr, u16 vid,
- struct dsa_db db)
+static int ksz9477_fdb_add(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db)
{
- struct ksz_device *dev = ds->priv;
u32 alu_table[4];
u32 data;
int ret = 0;
@@ -515,11 +514,10 @@ static int ksz9477_port_fdb_add(struct dsa_switch *ds, int port,
return ret;
}

-static int ksz9477_port_fdb_del(struct dsa_switch *ds, int port,
- const unsigned char *addr, u16 vid,
- struct dsa_db db)
+static int ksz9477_fdb_del(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db)
{
- struct ksz_device *dev = ds->priv;
u32 alu_table[4];
u32 data;
int ret = 0;
@@ -606,10 +604,9 @@ static void ksz9477_convert_alu(struct alu_struct *alu, u32 *alu_table)
alu->mac[5] = alu_table[3] & 0xFF;
}

-static int ksz9477_port_fdb_dump(struct dsa_switch *ds, int port,
- dsa_fdb_dump_cb_t *cb, void *data)
+static int ksz9477_fdb_dump(struct ksz_device *dev, int port,
+ dsa_fdb_dump_cb_t *cb, void *data)
{
- struct ksz_device *dev = ds->priv;
int ret = 0;
u32 ksz_data;
u32 alu_table[4];
@@ -1315,9 +1312,9 @@ static const struct dsa_switch_ops ksz9477_switch_ops = {
.port_vlan_filtering = ksz_port_vlan_filtering,
.port_vlan_add = ksz_port_vlan_add,
.port_vlan_del = ksz_port_vlan_del,
- .port_fdb_dump = ksz9477_port_fdb_dump,
- .port_fdb_add = ksz9477_port_fdb_add,
- .port_fdb_del = ksz9477_port_fdb_del,
+ .port_fdb_dump = ksz_port_fdb_dump,
+ .port_fdb_add = ksz_port_fdb_add,
+ .port_fdb_del = ksz_port_fdb_del,
.port_mdb_add = ksz_port_mdb_add,
.port_mdb_del = ksz_port_mdb_del,
.port_mirror_add = ksz_port_mirror_add,
@@ -1403,6 +1400,9 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
.mirror_del = ksz9477_port_mirror_del,
.get_stp_reg = ksz9477_get_stp_reg,
.get_caps = ksz9477_get_caps,
+ .fdb_dump = ksz9477_fdb_dump,
+ .fdb_add = ksz9477_fdb_add,
+ .fdb_del = ksz9477_fdb_del,
.mdb_add = ksz9477_mdb_add,
.mdb_del = ksz9477_mdb_del,
.shutdown = ksz9477_reset_switch,
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index b9082952db0f..8f79ff1ac648 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -765,32 +765,40 @@ void ksz_port_fast_age(struct dsa_switch *ds, int port)
}
EXPORT_SYMBOL_GPL(ksz_port_fast_age);

+int ksz_port_fdb_add(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db)
+{
+ struct ksz_device *dev = ds->priv;
+ int ret = -EOPNOTSUPP;
+
+ if (dev->dev_ops->fdb_add)
+ ret = dev->dev_ops->fdb_add(dev, port, addr, vid, db);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ksz_port_fdb_add);
+
+int ksz_port_fdb_del(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db)
+{
+ struct ksz_device *dev = ds->priv;
+ int ret = -EOPNOTSUPP;
+
+ if (dev->dev_ops->fdb_del)
+ ret = dev->dev_ops->fdb_del(dev, port, addr, vid, db);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ksz_port_fdb_del);
+
int ksz_port_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb,
void *data)
{
struct ksz_device *dev = ds->priv;
- int ret = 0;
- u16 i = 0;
- u16 entries = 0;
- u8 timestamp = 0;
- u8 fid;
- u8 member;
- struct alu_struct alu;
-
- do {
- alu.is_static = false;
- ret = dev->dev_ops->r_dyn_mac_table(dev, i, alu.mac, &fid,
- &member, &timestamp,
- &entries);
- if (!ret && (member & BIT(port))) {
- ret = cb(alu.mac, alu.fid, alu.is_static, data);
- if (ret)
- break;
- }
- i++;
- } while (i < entries);
- if (i >= entries)
- ret = 0;
+ int ret = -EOPNOTSUPP;
+
+ if (dev->dev_ops->fdb_dump)
+ ret = dev->dev_ops->fdb_dump(dev, port, cb, data);

return ret;
}
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 816581dd7f8e..133b1a257868 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -192,6 +192,12 @@ struct ksz_dev_ops {
bool ingress, struct netlink_ext_ack *extack);
void (*mirror_del)(struct ksz_device *dev, int port,
struct dsa_mall_mirror_tc_entry *mirror);
+ int (*fdb_add)(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db);
+ int (*fdb_del)(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db);
+ int (*fdb_dump)(struct ksz_device *dev, int port,
+ dsa_fdb_dump_cb_t *cb, void *data);
int (*mdb_add)(struct ksz_device *dev, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db);
@@ -239,6 +245,10 @@ void ksz_port_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_bridge bridge);
void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
void ksz_port_fast_age(struct dsa_switch *ds, int port);
+int ksz_port_fdb_add(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db);
+int ksz_port_fdb_del(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid, struct dsa_db db);
int ksz_port_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb,
void *data);
int ksz_port_mdb_add(struct dsa_switch *ds, int port,
--
2.36.1