realted: Add DSA bridge offload configuration

[openwrt/staging/ldir.git] / target / linux / realtek / files-5.10 / drivers / net / dsa / rtl83xx / rtl838x.c

diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c
index 85e8c85a7f45184cba4d44c0ecf6b367531a8fed..b130750b16d5d380dab5bdb6d109b661631e3b9e 100644 (file)
--- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c
+++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c
@@ -512,6 +512,46 @@ static void rtl838x_l2_learning_setup(void)
        sw_w32(0, RTL838X_SPCL_TRAP_ARP_CTRL);
 }
 
+static void rtl838x_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((0x3fff << 2) | 0, RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
+       } else {
+               // just forward
+               sw_w32(0, RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
+       }
+}
+
+static void rtl838x_enable_flood(int port, bool enable)
+{
+       u32 flood_mask = sw_r32(RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
+
+       if (enable)  {
+               // flood
+               flood_mask &= ~3;
+               flood_mask |= 0;
+               sw_w32(flood_mask, RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
+       } else {
+               // drop (bit 1)
+               flood_mask &= ~3;
+               flood_mask |= 1;
+               sw_w32(flood_mask, RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
+       }
+}
+
+static void rtl838x_enable_mcast_flood(int port, bool enable)
+{
+
+}
+
+static void rtl838x_enable_bcast_flood(int port, bool enable)
+{
+
+}
+
 static void rtl838x_stp_get(struct rtl838x_switch_priv *priv, u16 msti, u32 port_state[])
 {
        int i;
@@ -1653,6 +1693,10 @@ const struct rtl838x_reg rtl838x_reg = {
        .vlan_fwd_on_inner = rtl838x_vlan_fwd_on_inner,
        .set_vlan_igr_filter = rtl838x_set_igr_filter,
        .set_vlan_egr_filter = rtl838x_set_egr_filter,
+       .enable_learning = rtl838x_enable_learning,
+       .enable_flood = rtl838x_enable_flood,
+       .enable_mcast_flood = rtl838x_enable_mcast_flood,
+       .enable_bcast_flood = rtl838x_enable_bcast_flood,
        .stp_get = rtl838x_stp_get,
        .stp_set = rtl838x_stp_set,
        .mac_port_ctrl = rtl838x_mac_port_ctrl,