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path: root/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
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Diffstat (limited to 'target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c')
-rw-r--r--target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
index 0d1f3e0382..8ae174bd9e 100644
--- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
+++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl839x.c
@@ -558,6 +558,47 @@ static void rtl839x_l2_learning_setup(void)
sw_w32(0, RTL839X_SPCL_TRAP_ARP_CTRL);
}
+static void rtl839x_enable_learning(int port, bool enable)
+{
+ // Limit learning to maximum: 32k entries, after that just flood (bits 0-1)
+
+ if (enable) {
+ // flood after 32k entries
+ sw_w32((0x7fff << 2) | 0, RTL839X_L2_PORT_LRN_CONSTRT + (port << 2));
+ } else {
+ // just forward
+ sw_w32(0, RTL839X_L2_PORT_LRN_CONSTRT + (port << 2));
+ }
+
+}
+
+static void rtl839x_enable_flood(int port, bool enable)
+{
+ u32 flood_mask = sw_r32(RTL839X_L2_PORT_LRN_CONSTRT + (port << 2));
+
+ if (enable) {
+ // flood
+ flood_mask &= ~3;
+ flood_mask |= 0;
+ sw_w32(flood_mask, RTL839X_L2_PORT_LRN_CONSTRT + (port << 2));
+ } else {
+ // drop (bit 1)
+ flood_mask &= ~3;
+ flood_mask |= 1;
+ sw_w32(flood_mask, RTL839X_L2_PORT_LRN_CONSTRT + (port << 2));
+ }
+
+}
+
+static void rtl839x_enable_mcast_flood(int port, bool enable)
+{
+
+}
+
+static void rtl839x_enable_bcast_flood(int port, bool enable)
+{
+
+}
irqreturn_t rtl839x_switch_irq(int irq, void *dev_id)
{
struct dsa_switch *ds = dev_id;
@@ -1777,6 +1818,10 @@ const struct rtl838x_reg rtl839x_reg = {
.vlan_port_pvid_set = rtl839x_vlan_port_pvid_set,
.set_vlan_igr_filter = rtl839x_set_igr_filter,
.set_vlan_egr_filter = rtl839x_set_egr_filter,
+ .enable_learning = rtl839x_enable_learning,
+ .enable_flood = rtl839x_enable_flood,
+ .enable_mcast_flood = rtl839x_enable_mcast_flood,
+ .enable_bcast_flood = rtl839x_enable_bcast_flood,
.stp_get = rtl839x_stp_get,
.stp_set = rtl839x_stp_set,
.mac_force_mode_ctrl = rtl839x_mac_force_mode_ctrl,