Avoids flooding the network with multicast data.
Signed-off-by: Cristian Morales Vega <[email protected]>
---
Since I guess not all the switches support this... Good idea? Is some OpenWRT
package expecting to receive the multicast packages?
At the very least you lose the capacity of using iptables to play with the
packets.
target/linux/generic/files/drivers/net/phy/ar8216.c | 13 ++++++++++++-
target/linux/generic/files/drivers/net/phy/ar8216.h | 11 +++++++++++
2 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c
b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 558b9f7..6583d8d 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -1690,7 +1690,6 @@ ar8327_init_globals(struct ar8xxx_priv *priv)
/* forward multicast and broadcast frames to CPU */
t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) |
- (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) |
(AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S);
priv->write(priv, AR8327_REG_FWD_CTRL1, t);
@@ -1710,6 +1709,18 @@ ar8327_init_globals(struct ar8xxx_priv *priv)
AR8327_EEE_CTRL_DISABLE_PHY(3) |
AR8327_EEE_CTRL_DISABLE_PHY(4);
priv->write(priv, AR8327_REG_EEE_CTRL, t);
+
+ /* Enable IGMP Join/Leave */
+ t = AR8327_IGMP_JOIN_LEAVE0 |
+ AR8327_IGMP_JOIN_LEAVE1 |
+ AR8327_IGMP_JOIN_LEAVE2 |
+ AR8327_IGMP_JOIN_LEAVE3;
+ priv->write(priv, AR8327_REG_FRAM_ACK_CTRL0, t);
+ t = AR8327_IGMP_JOIN_LEAVE4 |
+ AR8327_IGMP_JOIN_LEAVE5 |
+ AR8327_IGMP_JOIN_LEAVE6;
+ t |= AR8327_IGMP_V3; /* Look _also_ for IGMPv3 */
+ priv->write(priv, AR8327_REG_FRAM_ACK_CTRL1, t);
}
static void
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h
b/target/linux/generic/files/drivers/net/phy/ar8216.h
index f6df7c8..871134d 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.h
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.h
@@ -364,6 +364,17 @@
#define AR8327_REG_EEE_CTRL 0x100
#define AR8327_EEE_CTRL_DISABLE_PHY(_i) BIT(4 + (_i) * 2)
+#define AR8327_REG_FRAM_ACK_CTRL0 0x210
+#define AR8327_IGMP_JOIN_LEAVE0 BITS(1, 2)
+#define AR8327_IGMP_JOIN_LEAVE1 BITS(9, 2)
+#define AR8327_IGMP_JOIN_LEAVE2 BITS(17, 2)
+#define AR8327_IGMP_JOIN_LEAVE3 BITS(25, 2)
+#define AR8327_REG_FRAM_ACK_CTRL1 0x214
+#define AR8327_IGMP_JOIN_LEAVE4 BITS(1, 2)
+#define AR8327_IGMP_JOIN_LEAVE5 BITS(9, 2)
+#define AR8327_IGMP_JOIN_LEAVE6 BITS(17, 2)
+#define AR8327_IGMP_V3 BIT(24)
+
#define AR8327_REG_PORT_VLAN0(_i) (0x420 + (_i) * 0x8)
#define AR8327_PORT_VLAN0_DEF_SVID BITS(0, 12)
#define AR8327_PORT_VLAN0_DEF_SVID_S 0
--
1.9.3
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