realtek: cleanup rtl83{8x,9x}_enable_learning/flood

[openwrt/staging/jow.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 76b6cde7be8c0eaa3e4851f201568ed4b3438b6c..93fab7e6e30f74bc2823a8e41ef0fd1bea0b488d 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
@@ -515,32 +515,22 @@ static void rtl838x_l2_learning_setup(void)
 
 static void rtl838x_enable_learning(int port, bool enable)
 {
-       // Limit learning to maximum: 32k entries, after that just flood (bits 0-1)
+       // Limit learning to maximum: 16k entries
 
-       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));
-       }
+       sw_w32_mask(0x3fff << 2, enable ? (0x3fff << 2) : 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));
-       }
+       /*
+        * 0: Forward
+        * 1: Disable
+        * 2: to CPU
+        * 3: Copy to CPU
+        */
+       sw_w32_mask(0x3, enable ? 0 : 1,
+                   RTL838X_L2_PORT_LRN_CONSTRT + (port << 2));
 }
 
 static void rtl838x_enable_mcast_flood(int port, bool enable)