This fixes a bug where frames sent to the switch itself were
flooded to all ports unless the MAC address of the CPU-port
was learned otherwise.
Tested-by: Wenli Looi <wl...@ucalgary.ca>
Tested-by: Bjørn Mork <bj...@mork.no>
Signed-off-by: Birger Koblitz <g...@birger-koblitz.de>
---
.../linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
index 4780632983..858b692640 100644
--- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
+++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
@@ -205,6 +205,12 @@ static int rtl83xx_setup(struct dsa_switch *ds)
priv->r->l2_learning_setup();
+ // Make sure all frames sent to the switch's MAC are trapped to the
CPU-port
+ if (priv->family_id == RTL8380_FAMILY_ID)
+ sw_w32(0x2, RTL838X_SPCL_TRAP_SWITCH_MAC_CTRL); // 0: FWD, 1:
DROP, 2: TRAP2CPU
+ else
+ sw_w32(0x2, RTL839X_SPCL_TRAP_SWITCH_MAC_CTRL);
+
/* Enable MAC Polling PHY again */
rtl83xx_enable_phy_polling(priv);
pr_debug("Please wait until PHY is settled\n");
--
2.25.1
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