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ar8327: add IGMP Snooping support

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This add support for IGMP Snooping on atheros switches (disabled by default),
which avoids flooding the network with multicast data.

Tested on TL-WDR4300: disabling IGMP Snooping results in multicast flooding
on each specific port, enabling it back again prevents each port from
receiving all multicast packets.

Partially based on: http://patchwork.ozlabs.org/patch/418122/

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 48268
This commit is contained in:
Felix Fietkau
2016-01-17 10:42:46 +00:00
parent 1f826e8992
commit f8d2ec6e9d
2 changed files with 232 additions and 0 deletions
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65
target/linux/generic/files/drivers/net/phy/ar8327.h
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@@ -98,6 +98,71 @@
#define AR8327_REG_EEE_CTRL 0x100
#define AR8327_EEE_CTRL_DISABLE_PHY(_i) BIT(4 + (_i) * 2)
#define AR8327_REG_FRAME_ACK_CTRL0 0x210
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN0 BIT(0)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN0 BIT(1)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN0 BIT(2)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN0 BIT(3)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN0 BIT(4)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN0 BIT(5)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN0 BIT(6)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN1 BIT(8)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN1 BIT(9)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN1 BIT(10)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN1 BIT(11)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN1 BIT(12)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN1 BIT(13)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN1 BIT(14)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN2 BIT(16)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN2 BIT(17)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN2 BIT(18)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN2 BIT(19)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN2 BIT(20)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN2 BIT(21)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN2 BIT(22)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN3 BIT(24)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN3 BIT(25)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN3 BIT(26)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN3 BIT(27)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN3 BIT(28)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN3 BIT(29)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN3 BIT(30)
#define AR8327_REG_FRAME_ACK_CTRL1 0x214
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN4 BIT(0)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN4 BIT(1)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN4 BIT(2)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN4 BIT(3)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN4 BIT(4)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN4 BIT(5)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN4 BIT(6)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN5 BIT(8)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN5 BIT(9)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN5 BIT(10)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN5 BIT(11)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN5 BIT(12)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN5 BIT(13)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN5 BIT(14)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD_EN6 BIT(16)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN_EN6 BIT(17)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE_EN6 BIT(18)
#define AR8327_FRAME_ACK_CTRL_EAPOL_EN6 BIT(19)
#define AR8327_FRAME_ACK_CTRL_DHCP_EN6 BIT(20)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK_EN6 BIT(21)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ_EN6 BIT(22)
#define AR8327_FRAME_ACK_CTRL_IGMP_V3_EN BIT(24)
#define AR8327_FRAME_ACK_CTRL_PPPOE_EN BIT(25)
#define AR8327_REG_FRAME_ACK_CTRL(_i) (0x210 + ((_i) / 4) * 0x4)
#define AR8327_FRAME_ACK_CTRL_IGMP_MLD BIT(0)
#define AR8327_FRAME_ACK_CTRL_IGMP_JOIN BIT(1)
#define AR8327_FRAME_ACK_CTRL_IGMP_LEAVE BIT(2)
#define AR8327_FRAME_ACK_CTRL_EAPOL BIT(3)
#define AR8327_FRAME_ACK_CTRL_DHCP BIT(4)
#define AR8327_FRAME_ACK_CTRL_ARP_ACK BIT(5)
#define AR8327_FRAME_ACK_CTRL_ARP_REQ BIT(6)
#define AR8327_FRAME_ACK_CTRL_S(_i) (((_i) % 4) * 8)
#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