[PATCH v1 12/26] net: dsa: microchip: ksz8: move static mac table operations to a separate functions

From: Oleksij Rempel
Date: Mon Nov 28 2022 - 07:00:58 EST


We need it to reuse the code for add/del_fdb

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
drivers/net/dsa/microchip/ksz8795.c | 34 +++++++++++++++++++----------
1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 392f6cb1f706..d16dc8e5ed18 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -993,8 +993,8 @@ int ksz8_fdb_dump(struct ksz_device *dev, int port,
return 0;
}

-int ksz8_mdb_add(struct ksz_device *dev, int port,
- const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+static int ksz8_add_sta_mac(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid)
{
struct alu_struct alu;
int index;
@@ -1004,8 +1004,8 @@ int ksz8_mdb_add(struct ksz_device *dev, int port,
for (index = 0; index < dev->info->num_statics; index++) {
if (!ksz8_r_sta_mac_table(dev, index, &alu)) {
/* Found one already in static MAC table. */
- if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) &&
- alu.fid == mdb->vid)
+ if (!memcmp(alu.mac, addr, ETH_ALEN) &&
+ alu.fid == vid)
break;
/* Remember the first empty entry. */
} else if (!empty) {
@@ -1021,23 +1021,23 @@ int ksz8_mdb_add(struct ksz_device *dev, int port,
if (index == dev->info->num_statics) {
index = empty - 1;
memset(&alu, 0, sizeof(alu));
- memcpy(alu.mac, mdb->addr, ETH_ALEN);
+ memcpy(alu.mac, addr, ETH_ALEN);
alu.is_static = true;
}
alu.port_forward |= BIT(port);
- if (mdb->vid) {
+ if (vid) {
alu.is_use_fid = true;

/* Need a way to map VID to FID. */
- alu.fid = mdb->vid;
+ alu.fid = vid;
}
ksz8_w_sta_mac_table(dev, index, &alu);

return 0;
}

-int ksz8_mdb_del(struct ksz_device *dev, int port,
- const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+static int ksz8_del_sta_mac(struct ksz_device *dev, int port,
+ const unsigned char *addr, u16 vid)
{
struct alu_struct alu;
int index;
@@ -1045,8 +1045,8 @@ int ksz8_mdb_del(struct ksz_device *dev, int port,
for (index = 0; index < dev->info->num_statics; index++) {
if (!ksz8_r_sta_mac_table(dev, index, &alu)) {
/* Found one already in static MAC table. */
- if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) &&
- alu.fid == mdb->vid)
+ if (!memcmp(alu.mac, addr, ETH_ALEN) &&
+ alu.fid == vid)
break;
}
}
@@ -1065,6 +1065,18 @@ int ksz8_mdb_del(struct ksz_device *dev, int port,
return 0;
}

+int ksz8_mdb_add(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+{
+ return ksz8_add_sta_mac(dev, port, mdb->addr, mdb->vid);
+}
+
+int ksz8_mdb_del(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+{
+ return ksz8_del_sta_mac(dev, port, mdb->addr, mdb->vid);
+}
+
int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
struct netlink_ext_ack *extack)
{
--
2.30.2