From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 29 Jun 2009 21:54:16 +0000 (+0000)
Subject: ar8216: fix transmission of large frames by setting the switch mtu
X-Git-Tag: reboot~23099
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3455f00d7a30609a8ee6c594a35a18b9c455e6b1;p=openwrt%2Fstaging%2Flynxis.git

ar8216: fix transmission of large frames by setting the switch mtu

SVN-Revision: 16629
---

diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c
index f629058ae0..4354be9b0c 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c
@@ -488,6 +488,10 @@ ar8216_reset_switch(struct switch_dev *dev)
 	}
 	/* XXX: undocumented magic from atheros, required! */
 	priv->write(priv, 0x38, 0xc000050e);
+
+	ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+		AR8216_GCTRL_MTU, 1518 + 8 + 2);
+
 	return ar8216_hw_apply(dev);
 }
 
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h
index e0f0452cb8..b8a4f23d45 100644
--- a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h
+++ b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h
@@ -26,6 +26,9 @@
 #define AR8216_REG_CTRL			0x0000
 #define   AR8216_CTRL_RESET		BIT(31)
 
+#define AR8216_REG_GLOBAL_CTRL		0x0030
+#define   AR8216_GCTRL_MTU		BITS(0, 10)
+
 #define AR8216_REG_VTU			0x0040
 #define   AR8216_VTU_OP			BITS(0, 3)
 #define   AR8216_VTU_OP_NOOP		0x0