xref: /aosp_15_r20/external/ethtool/dsa.c (revision 1b481fc3bb1b45d4cf28d1ec12969dc1055f555d)

#include <stdio.h>
#include <string.h>

#include "internal.h"

#define SERDES_OFFSET 32

/* Macros and dump functions for the 16-bit mv88e6xxx per-port registers */

#define REG(_reg, _name, _val) \
	printf("%.02u: %-38.38s 0x%.4x\n", _reg, _name, _val)

#define FIELD(_name, _fmt, ...) \
	printf("      %-36.36s " _fmt "\n", _name, ##__VA_ARGS__)

#define FIELD_BITMAP(_name, _val) \
	FIELD(_name, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", \
	      ((_val) & 0x0001) ? "0 " : "", \
	      ((_val) & 0x0002) ? "1 " : "", \
	      ((_val) & 0x0004) ? "2 " : "", \
	      ((_val) & 0x0008) ? "3 " : "", \
	      ((_val) & 0x0010) ? "4 " : "", \
	      ((_val) & 0x0020) ? "5 " : "", \
	      ((_val) & 0x0040) ? "6 " : "", \
	      ((_val) & 0x0080) ? "7 " : "", \
	      ((_val) & 0x0100) ? "8 " : "", \
	      ((_val) & 0x0200) ? "9 " : "", \
	      ((_val) & 0x0400) ? "10 " : "", \
	      ((_val) & 0x0800) ? "11 " : "", \
	      ((_val) & 0x1000) ? "12 " : "", \
	      ((_val) & 0x2000) ? "13 " : "", \
	      ((_val) & 0x4000) ? "14 " : "", \
	      ((_val) & 0x8000) ? "15 " : "")

static void dsa_mv88e6161(int reg, u16 val)
{
	switch (reg) {
	case 0:
		REG(reg, "Port Status", val);
		FIELD("Pause Enabled", "%u", !!(val & 0x8000));
		FIELD("My Pause", "%u", !!(val & 0x4000));
		FIELD("Half-duplex Flow Control", "%u", !!(val & 0x2000));
		FIELD("802.3 PHY Detected", "%u", !!(val & 0x1000));
		FIELD("Link Status", "%s", val & 0x0800 ? "Up" : "Down");
		FIELD("Duplex", "%s", val & 0x0400 ? "Full" : "Half");
		FIELD("Speed", "%s",
		      (val & 0x0300) == 0x0000 ? "10 Mbps" :
		      (val & 0x0300) == 0x0100 ? "100 Mbps" :
		      (val & 0x0300) == 0x0200 ? "1000 Mbps" :
		      (val & 0x0300) == 0x0300 ? "Reserved" : "?");
		FIELD("Auto-Media Detect Disable", "%u", !!(val & 0x0040));
		FIELD("Transmitter Paused", "%u", !!(val & 0x0020));
		FIELD("Flow Control", "%u", !!(val & 0x0010));
		FIELD("Config Duplex", "%s", val & 0x0008 ? "Full" : "Half");
		FIELD("Config Mode", "0x%x", val & 0x0007);
		break;
	case 1:
		REG(reg, "PCS Control", val);
		FIELD("Flow Control's Forced value", "%u", !!(val & 0x0080));
		FIELD("Force Flow Control", "%u", !!(val & 0x0040));
		FIELD("Link's Forced value", "%s", val & 0x0020 ? "Up" : "Down");
		FIELD("Force Link", "%u", !!(val & 0x0010));
		FIELD("Duplex's Forced value", "%s", val & 0x0008 ? "Full" : "Half");
		FIELD("Force Duplex", "%u", !!(val & 0x0004));
		FIELD("Force Speed", "%s",
		      (val & 0x0003) == 0x0000 ? "10 Mbps" :
		      (val & 0x0003) == 0x0001 ? "100 Mbps" :
		      (val & 0x0003) == 0x0002 ? "1000 Mbps" :
		      (val & 0x0003) == 0x0003 ? "Not forced" : "?");
		break;
	case 2:
		REG(reg, "Jamming Control", val);
		break;
	case 3:
		REG(reg, "Switch Identifier", val);
		break;
	case 4:
		REG(reg, "Port Control", val);
		FIELD("Source Address Filtering controls", "%s",
		      (val & 0xc000) == 0x0000 ? "Disabled" :
		      (val & 0xc000) == 0x4000 ? "Drop On Lock" :
		      (val & 0xc000) == 0x8000 ? "Drop On Unlock" :
		      (val & 0xc000) == 0xc000 ? "Drop to CPU" : "?");
		FIELD("Egress Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "Unmodified" :
		      (val & 0x3000) == 0x1000 ? "Untagged" :
		      (val & 0x3000) == 0x2000 ? "Tagged" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("Ingress & Egress Header Mode", "%u", !!(val & 0x0800));
		FIELD("IGMP and MLD Snooping", "%u", !!(val & 0x0400));
		FIELD("Frame Mode", "%s",
		      (val & 0x0300) == 0x0000 ? "Normal" :
		      (val & 0x0300) == 0x0100 ? "DSA" :
		      (val & 0x0300) == 0x0200 ? "Provider" :
		      (val & 0x0300) == 0x0300 ? "Ether Type DSA" : "?");
		FIELD("VLAN Tunnel", "%u", !!(val & 0x0080));
		FIELD("TagIfBoth", "%u", !!(val & 0x0040));
		FIELD("Initial Priority assignment", "%s",
		      (val & 0x0030) == 0x0000 ? "Defaults" :
		      (val & 0x0030) == 0x0010 ? "Tag Priority" :
		      (val & 0x0030) == 0x0020 ? "IP Priority" :
		      (val & 0x0030) == 0x0030 ? "Tag & IP Priority" : "?");
		FIELD("Egress Flooding mode", "%s",
		      (val & 0x000c) == 0x0000 ? "No unknown DA" :
		      (val & 0x000c) == 0x0004 ? "No unknown multicast DA" :
		      (val & 0x000c) == 0x0008 ? "No unknown unicast DA" :
		      (val & 0x000c) == 0x000c ? "Allow unknown DA" : "?");
		FIELD("Port State", "%s",
		      (val & 0x0003) == 0x0000 ? "Disabled" :
		      (val & 0x0003) == 0x0001 ? "Blocking/Listening" :
		      (val & 0x0003) == 0x0002 ? "Learning" :
		      (val & 0x0003) == 0x0003 ? "Forwarding" : "?");
		break;
	case 5:
		REG(reg, "Port Control 1", val);
		FIELD("Message Port", "%u", !!(val & 0x8000));
		FIELD("Trunk Port", "%u", !!(val & 0x4000));
		FIELD("Trunk ID", "%u", (val & 0x0f00) >> 8);
		FIELD("FID[5:4]", "0x%.2x", (val & 0x0003) << 4);
		break;
	case 6:
		REG(reg, "Port Base VLAN Map (Header)", val);
		FIELD("FID[3:0]", "0x%.2x", (val & 0xf000) >> 12);
		FIELD_BITMAP("VLANTable", val & 0x003f);
		break;
	case 7:
		REG(reg, "Default VLAN ID & Priority", val);
		FIELD("Default Priority", "0x%x", (val & 0xe000) >> 13);
		FIELD("Force to use Default VID", "%u", !!(val & 0x1000));
		FIELD("Default VLAN Identifier", "%u", val & 0x0fff);
		break;
	case 8:
		REG(reg, "Port Control 2", val);
		FIELD("Force good FCS in the frame", "%u", !!(val & 0x8000));
		FIELD("Jumbo Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "1522" :
		      (val & 0x3000) == 0x1000 ? "2048" :
		      (val & 0x3000) == 0x2000 ? "10240" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("802.1QMode", "%s",
		      (val & 0x0c00) == 0x0000 ? "Disabled" :
		      (val & 0x0c00) == 0x0400 ? "Fallback" :
		      (val & 0x0c00) == 0x0800 ? "Check" :
		      (val & 0x0c00) == 0x0c00 ? "Secure" : "?");
		FIELD("Discard Tagged Frames", "%u", !!(val & 0x0200));
		FIELD("Discard Untagged Frames", "%u", !!(val & 0x0100));
		FIELD("Map using DA hits", "%u", !!(val & 0x0080));
		FIELD("ARP Mirror enable", "%u", !!(val & 0x0040));
		FIELD("Egress Monitor Source Port", "%u", !!(val & 0x0020));
		FIELD("Ingress Monitor Source Port", "%u", !!(val & 0x0010));
		break;
	case 9:
		REG(reg, "Egress Rate Control", val);
		break;
	case 10:
		REG(reg, "Egress Rate Control 2", val);
		break;
	case 11:
		REG(reg, "Port Association Vector", val);
		break;
	case 12:
		REG(reg, "Port ATU Control", val);
		break;
	case 13:
		REG(reg, "Priority Override", val);
		break;
	case 15:
		REG(reg, "PortEType", val);
		break;
	case 16:
		REG(reg, "InDiscardsLo Frame Counter", val);
		break;
	case 17:
		REG(reg, "InDiscardsHi Frame Counter", val);
		break;
	case 18:
		REG(reg, "InFiltered Frame Counter", val);
		break;
	case 19:
		REG(reg, "OutFiltered Frame Counter", val);
		break;
	case 24:
		REG(reg, "Tag Remap 0-3", val);
		break;
	case 25:
		REG(reg, "Tag Remap 4-7", val);
		break;
	case 27:
		REG(reg, "Queue Counters", val);
		break;
	default:
		REG(reg, "Reserved", val);
		break;
	}
}

static void dsa_mv88e6185(int reg, u16 val)
{
	switch (reg) {
	case 0:
		REG(reg, "Port Status", val);
		break;
	case 1:
		REG(reg, "PCS Control", val);
		break;
	case 3:
		REG(reg, "Switch Identifier", val);
		break;
	case 4:
		REG(reg, "Port Control", val);
		break;
	case 5:
		REG(reg, "Port Control 1", val);
		break;
	case 6:
		REG(reg, "Port Base VLAN Map (Header)", val);
		break;
	case 7:
		REG(reg, "Default VLAN ID & Priority", val);
		break;
	case 8:
		REG(reg, "Port Control 2", val);
		break;
	case 9:
		REG(reg, "Rate Control", val);
		break;
	case 10:
		REG(reg, "Rate Control 2", val);
		break;
	case 11:
		REG(reg, "Port Association Vector", val);
		break;
	case 16:
		REG(reg, "InDiscardsLo Frame Counter", val);
		break;
	case 17:
		REG(reg, "InDiscardsHi Frame Counter", val);
		break;
	case 18:
		REG(reg, "InFiltered Frame Counter", val);
		break;
	case 19:
		REG(reg, "OutFiltered Frame Counter", val);
		break;
	case 24:
		REG(reg, "Tag Remap 0-3", val);
		break;
	case 25:
		REG(reg, "Tag Remap 4-7", val);
		break;
	default:
		REG(reg, "Reserved", val);
		break;
	}
};

static void dsa_mv88e6352(int reg, u16 val)
{
	switch (reg) {
	case 0:
		REG(reg, "Port Status", val);
		FIELD("Pause Enabled", "%u", !!(val & 0x8000));
		FIELD("My Pause", "%u", !!(val & 0x4000));
		FIELD("802.3 PHY Detected", "%u", !!(val & 0x1000));
		FIELD("Link Status", "%s", val & 0x0800 ? "Up" : "Down");
		FIELD("Duplex", "%s", val & 0x0400 ? "Full" : "Half");
		FIELD("Speed", "%s",
		      (val & 0x0300) == 0x0000 ? "10 Mbps" :
		      (val & 0x0300) == 0x0100 ? "100 or 200 Mbps" :
		      (val & 0x0300) == 0x0200 ? "1000 Mbps" :
		      (val & 0x0300) == 0x0300 ? "Reserved" : "?");
		FIELD("EEE Enabled", "%u", !!(val & 0x0040));
		FIELD("Transmitter Paused", "%u", !!(val & 0x0020));
		FIELD("Flow Control", "%u", !!(val & 0x0010));
		FIELD("Config Mode", "0x%x", val & 0x000f);
		break;
	case 1:
		REG(reg, "Physical Control", val);
		FIELD("RGMII Receive Timing Control", "%s", val & 0x8000 ? "Delay" : "Default");
		FIELD("RGMII Transmit Timing Control", "%s", val & 0x4000 ? "Delay" : "Default");
		FIELD("200 BASE Mode", "%s", val & 0x1000 ? "200" : "100");
		FIELD("Flow Control's Forced value", "%u", !!(val & 0x0080));
		FIELD("Force Flow Control", "%u", !!(val & 0x0040));
		FIELD("Link's Forced value", "%s", val & 0x0020 ? "Up" : "Down");
		FIELD("Force Link", "%u", !!(val & 0x0010));
		FIELD("Duplex's Forced value", "%s", val & 0x0008 ? "Full" : "Half");
		FIELD("Force Duplex", "%u", !!(val & 0x0004));
		FIELD("Force Speed", "%s",
		      (val & 0x0003) == 0x0000 ? "10 Mbps" :
		      (val & 0x0003) == 0x0001 ? "100 or 200 Mbps" :
		      (val & 0x0003) == 0x0002 ? "1000 Mbps" :
		      (val & 0x0003) == 0x0003 ? "Not forced" : "?");
		break;
	case 2:
		REG(reg, "Jamming Control", val);
		break;
	case 3:
		REG(reg, "Switch Identifier", val);
		break;
	case 4:
		REG(reg, "Port Control", val);
		FIELD("Source Address Filtering controls", "%s",
		      (val & 0xc000) == 0x0000 ? "Disabled" :
		      (val & 0xc000) == 0x4000 ? "Drop On Lock" :
		      (val & 0xc000) == 0x8000 ? "Drop On Unlock" :
		      (val & 0xc000) == 0xc000 ? "Drop to CPU" : "?");
		FIELD("Egress Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "Unmodified" :
		      (val & 0x3000) == 0x1000 ? "Untagged" :
		      (val & 0x3000) == 0x2000 ? "Tagged" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("Ingress & Egress Header Mode", "%u", !!(val & 0x0800));
		FIELD("IGMP and MLD Snooping", "%u", !!(val & 0x0400));
		FIELD("Frame Mode", "%s",
		      (val & 0x0300) == 0x0000 ? "Normal" :
		      (val & 0x0300) == 0x0100 ? "DSA" :
		      (val & 0x0300) == 0x0200 ? "Provider" :
		      (val & 0x0300) == 0x0300 ? "Ether Type DSA" : "?");
		FIELD("VLAN Tunnel", "%u", !!(val & 0x0080));
		FIELD("TagIfBoth", "%u", !!(val & 0x0040));
		FIELD("Initial Priority assignment", "%s",
		      (val & 0x0030) == 0x0000 ? "Defaults" :
		      (val & 0x0030) == 0x0010 ? "Tag Priority" :
		      (val & 0x0030) == 0x0020 ? "IP Priority" :
		      (val & 0x0030) == 0x0030 ? "Tag & IP Priority" : "?");
		FIELD("Egress Flooding mode", "%s",
		      (val & 0x000c) == 0x0000 ? "No unknown DA" :
		      (val & 0x000c) == 0x0004 ? "No unknown multicast DA" :
		      (val & 0x000c) == 0x0008 ? "No unknown unicast DA" :
		      (val & 0x000c) == 0x000c ? "Allow unknown DA" : "?");
		FIELD("Port State", "%s",
		      (val & 0x0003) == 0x0000 ? "Disabled" :
		      (val & 0x0003) == 0x0001 ? "Blocking/Listening" :
		      (val & 0x0003) == 0x0002 ? "Learning" :
		      (val & 0x0003) == 0x0003 ? "Forwarding" : "?");
		break;
	case 5:
		REG(reg, "Port Control 1", val);
		FIELD("Message Port", "%u", !!(val & 0x8000));
		FIELD("Trunk Port", "%u", !!(val & 0x4000));
		FIELD("Trunk ID", "%u", (val & 0x0f00) >> 8);
		FIELD("FID[11:4]", "0x%.3x", (val & 0x00ff) << 4);
		break;
	case 6:
		REG(reg, "Port Base VLAN Map (Header)", val);
		FIELD("FID[3:0]", "0x%.3x", (val & 0xf000) >> 12);
		FIELD_BITMAP("VLANTable", val & 0x007f);
		break;
	case 7:
		REG(reg, "Default VLAN ID & Priority", val);
		FIELD("Default Priority", "0x%x", (val & 0xe000) >> 13);
		FIELD("Force to use Default VID", "%u", !!(val & 0x1000));
		FIELD("Default VLAN Identifier", "%u", val & 0x0fff);
		break;
	case 8:
		REG(reg, "Port Control 2", val);
		FIELD("Force good FCS in the frame", "%u", !!(val & 0x8000));
		FIELD("Jumbo Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "1522" :
		      (val & 0x3000) == 0x1000 ? "2048" :
		      (val & 0x3000) == 0x2000 ? "10240" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("802.1QMode", "%s",
		      (val & 0x0c00) == 0x0000 ? "Disabled" :
		      (val & 0x0c00) == 0x0400 ? "Fallback" :
		      (val & 0x0c00) == 0x0800 ? "Check" :
		      (val & 0x0c00) == 0x0c00 ? "Secure" : "?");
		FIELD("Discard Tagged Frames", "%u", !!(val & 0x0200));
		FIELD("Discard Untagged Frames", "%u", !!(val & 0x0100));
		FIELD("Map using DA hits", "%u", !!(val & 0x0080));
		FIELD("ARP Mirror enable", "%u", !!(val & 0x0040));
		FIELD("Egress Monitor Source Port", "%u", !!(val & 0x0020));
		FIELD("Ingress Monitor Source Port", "%u", !!(val & 0x0010));
		FIELD("Use Default Queue Priority", "%u", !!(val & 0x0008));
		FIELD("Default Queue Priority", "0x%x", (val & 0x0006) >> 1);
		break;
	case 9:
		REG(reg, "Egress Rate Control", val);
		break;
	case 10:
		REG(reg, "Egress Rate Control 2", val);
		break;
	case 11:
		REG(reg, "Port Association Vector", val);
		break;
	case 12:
		REG(reg, "Port ATU Control", val);
		break;
	case 13:
		REG(reg, "Override", val);
		break;
	case 14:
		REG(reg, "Policy Control", val);
		break;
	case 15:
		REG(reg, "Port Ether Type", val);
		break;
	case 16:
		REG(reg, "InDiscardsLo Frame Counter", val);
		break;
	case 17:
		REG(reg, "InDiscardsHi Frame Counter", val);
		break;
	case 18:
		REG(reg, "InFiltered/TcamCtr Frame Counter", val);
		break;
	case 19:
		REG(reg, "Rx Frame Counter", val);
		break;
	case 20 ... 21:
		REG(reg, "Reserved", val);
		break;
	case 22:
		REG(reg, "LED Control", val);
		break;
	case 23:
		REG(reg, "Reserved", val);
		break;
	case 24:
		REG(reg, "Tag Remap 0-3", val);
		break;
	case 25:
		REG(reg, "Tag Remap 4-7", val);
		break;
	case 26:
		REG(reg, "Reserved", val);
		break;
	case 27:
		REG(reg, "Queue Counters", val);
		break;
	case 28 ... 31:
		REG(reg, "Reserved", val);
		break;
	case SERDES_OFFSET + 0:
		REG(reg - SERDES_OFFSET, "Fiber Control", val);
		FIELD("Fiber Reset", "%u", !!(val & 0x8000));
		FIELD("Loopback", "%u", !!(val & 0x4000));
		FIELD("Speed", "%s",
		      (val & (0x2000 | 0x0040)) == 0x0000 ? "10 Mbps" :
		      (val & (0x2000 | 0x0040)) == 0x2000 ? "100 Mbps" :
		      (val & (0x2000 | 0x0040)) == 0x0040 ? "1000 Mbps" :
		      (val & (0x2000 | 0x0040)) == (0x2000 | 0x0040) ?
		      "Reserved" : "?");
		FIELD("Autoneg Enable", "%u", !!(val & 0x1000));
		FIELD("Power down", "%u", !!(val & 0x0800));
		FIELD("Isolate", "%u", !!(val & 0x0400));
		FIELD("Restart Autoneg", "%u", !!(val & 0x0200));
		FIELD("Duplex", "%s", val & 0x0100 ? "Full" : "Half");
		break;
	case SERDES_OFFSET + 1:
		REG(reg - SERDES_OFFSET, "Fiber Status", val);
		FIELD("100Base-X FD",  "%u", !!(val & 0x4000));
		FIELD("100Base-X HD",  "%u", !!(val & 0x2000));
		FIELD("Autoneg Complete", "%u", !!(val & 0x0020));
		FIELD("Remote Fault", "%u", !!(val & 0x0010));
		FIELD("Autoneg Ability", "%u", !!(val & 0x0008));
		FIELD("Link Status", "%s", val & 0x0004 ? "Up" : "Down");
		break;
	case SERDES_OFFSET + 2:
		REG(reg - SERDES_OFFSET, "PHY ID 1", val);
		break;
	case SERDES_OFFSET + 3:
		REG(reg - SERDES_OFFSET, "PHY ID 2", val);
		break;
	case SERDES_OFFSET + 4:
		REG(reg - SERDES_OFFSET, "Fiber Autoneg Advertisement", val);
		FIELD("Remote Fault", "%s",
		      (val & 0x3000) == 0x0000 ? "No error, link OK" :
		      (val & 0x3000) == 0x1000 ? "Link failure" :
		      (val & 0x3000) == 0x2000 ? "Offline" :
		      (val & 0x3000) == 0x3000 ? "Autoneg Error" : "?");
		FIELD("Pause", "%s",
		      (val & 0x0180) == 0x0000 ? "No Pause" :
		      (val & 0x0180) == 0x0080 ? "Symmetric Pause" :
		      (val & 0x0180) == 0x0100 ? "Asymmetric Pause" :
		      (val & 0x0180) == 0x0180 ? "Symmetric & Asymmetric Pause" :
		      "?");
		FIELD("1000BaseX HD", "%u", !!(val & 0x0040));
		FIELD("1000BaseX FD", "%u", !!(val & 0x0020));
		break;
	case SERDES_OFFSET + 5:
		REG(reg - SERDES_OFFSET, "Fiber Link Autoneg Ability", val);
		FIELD("Acknowledge", "%u", !!(val & 0x4000));
		FIELD("Remote Fault", "%s",
		      (val & 0x3000) == 0x0000 ? "No error, link OK" :
		      (val & 0x3000) == 0x1000 ? "Link failure" :
		      (val & 0x3000) == 0x2000 ? "Offline" :
		      (val & 0x3000) == 0x3000 ? "Autoneg Error" : "?");
		FIELD("Pause", "%s",
		      (val & 0x0180) == 0x0000 ? "No Pause" :
		      (val & 0x0180) == 0x0080 ? "Symmetric Pause" :
		      (val & 0x0180) == 0x0100 ? "Asymmetric Pause" :
		      (val & 0x0180) == 0x0180 ? "Symmetric & Asymmetric Pause" :
		      "?");
		FIELD("1000BaseX HD", "%u", !!(val & 0x0040));
		FIELD("1000BaseX FD", "%u", !!(val & 0x0020));
		break;
	case SERDES_OFFSET + 6:
		REG(reg - SERDES_OFFSET, "Fiber Autoneg Expansion", val);
		FIELD("Link Partner Next Page Ability", "%u", !!(val & 0x0008));
		FIELD("Page Received", "%u", !!(val & 0x0002));
		FIELD("Link Partner Autoneg Ability", "%u", !!(val & 0x0001));
		break;
	case SERDES_OFFSET + 7:
		REG(reg - SERDES_OFFSET, "Fiber Next Page Transmit", val);
		break;
	case SERDES_OFFSET + 8:
		REG(reg - SERDES_OFFSET, "Fiber Link Partner Next Page", val);
		break;
	case SERDES_OFFSET + 9 ... SERDES_OFFSET + 14:
		REG(reg - SERDES_OFFSET, "Reserved", val);
		break;
	case SERDES_OFFSET + 15:
		REG(reg - SERDES_OFFSET, "Extended Status", val);
		break;
	case SERDES_OFFSET + 16:
		REG(reg - SERDES_OFFSET, "Fiber Specific Control", val);
		FIELD("Fiber Transmit FIFO Depth", "%s",
		      (val & 0xc000) == 0x0000 ? "16 Bits" :
		      (val & 0xc000) == 0x4000 ? "24 Bits" :
		      (val & 0xc000) == 0x8000 ? "32 Bits" :
		      (val & 0xc000) == 0xc000 ? "40 Bits" : "?");
		FIELD("SERDES Loopback", "%u", !!(val & 0x1000));
		FIELD("Force Link Good", "%u", !!(val & 0x0400));
		FIELD("MAC Interface Power Down", "%u", !!(val & 0x0008));
		FIELD("Mode", "%s",
		      (val & 0x0003) == 0x0000 ? "100BaseFX" :
		      (val & 0x0003) == 0x0001 ? "1000BaseX" :
		      (val & 0x0003) == 0x0002 ? "SGMII System" :
		      (val & 0x0003) == 0x0003 ? "SGMII Media" : "?");
		break;
	case SERDES_OFFSET + 17:
		REG(reg - SERDES_OFFSET, "Fiber Specific Status", val);
		FIELD("Speed", "%s",
		      (val & 0xc000) == 0x0000 ? "10 Mbps" :
		      (val & 0xc000) == 0x4000 ? "100 Mbps" :
		      (val & 0xc000) == 0x8000 ? "1000 Mbps" :
		      (val & 0xc000) == 0xc000 ? "Reserved" : "?");
		FIELD("Duplex", "%s", val & 0x2000 ? "Full" : "Half");
		FIELD("Page Received", "%u", !!(val & 0x1000));
		FIELD("Speed/Duplex Resolved", "%u", !!(val & 0x0800));
		FIELD("Link", "%s", val & 0x0400 ? "Up" : "Down");
		FIELD("Sync", "%u", !!(val & 0x0020));
		FIELD("Energy Detect", "%s", val & 0x010 ? "False" : "True");
		FIELD("Transmit Pause", "%u", !!(val & 0x0008));
		FIELD("Receive Pause", "%u", !!(val & 0x00004));
		break;
	case SERDES_OFFSET + 18:
		REG(reg - SERDES_OFFSET, "Fiber Interrupt Enable", val);
		FIELD("Speed Changed", "%u", !!(val & 0x4000));
		FIELD("Duplex Changed", "%u", !!(val & 0x2000));
		FIELD("Page Received", "%u", !!(val & 0x1000));
		FIELD("Autoneg Complete", "%u", !!(val & 0x0800));
		FIELD("Link Status Change", "%u", !!(val & 0x0400));
		FIELD("Symbol Error", "%u", !!(val & 0x0200));
		FIELD("False Carrier", "%u", !!(val & 0x0100));
		FIELD("Energy Detect", "%u", !!(val & 0x0010));
		break;
	case SERDES_OFFSET + 19:
		REG(reg - SERDES_OFFSET, "Fiber Interrupt Status", val);
		FIELD("Speed Changed", "%u", !!(val & 0x4000));
		FIELD("Duplex Changed", "%u", !!(val & 0x2000));
		FIELD("Page Received", "%u", !!(val & 0x1000));
		FIELD("Autoneg Complete", "%u", !!(val & 0x0800));
		FIELD("Link Status Change", "%u", !!(val & 0x0400));
		FIELD("Symbol Error", "%u", !!(val & 0x0200));
		FIELD("False Carrier", "%u", !!(val & 0x0100));
		FIELD("Energy Detect", "%u", !!(val & 0x0010));
		break;
	case SERDES_OFFSET + 20:
		REG(reg - SERDES_OFFSET, "Reserved", val);
		break;
	case SERDES_OFFSET + 21:
		REG(reg - SERDES_OFFSET, "Fiber Receive Error Counter", val);
		break;
	case SERDES_OFFSET + 22:
		REG(reg - SERDES_OFFSET, "Reserved", val);
		break;
	case SERDES_OFFSET + 23:
		REG(reg - SERDES_OFFSET, "PRBS Control", val);
		break;
	case SERDES_OFFSET + 24:
		REG(reg - SERDES_OFFSET, "PRBS Error Counter LSB", val);
		break;
	case SERDES_OFFSET + 25:
		REG(reg - SERDES_OFFSET, "PRBS Error Counter MSB", val);
		break;
	case SERDES_OFFSET + 26:
		REG(reg - SERDES_OFFSET, "Fiber Specific Control 2", val);
		FIELD("1000BaseX Noise Filtering", "%u", !!(val & 0x4000));
		FIELD("1000BaseFX Noise Filtering", "%u", !!(val & 0x2000));
		FIELD("SERDES Autoneg Bypass Enable", "%u", !!(val & 0x0040));
		FIELD("SERDES Autoneg Bypass Status", "%u", !!(val & 0x0020));
		FIELD("Fiber Transmitter Disable", "%u", !!(val & 0x0008));
		FIELD("SGMII/Fiber Output Amplitude", "%s",
		      (val & 0x0007) == 0x0000 ? "14mV" :
		      (val & 0x0007) == 0x0001 ? "112mV" :
		      (val & 0x0007) == 0x0002 ? "210mV" :
		      (val & 0x0007) == 0x0003 ? "308mV" :
		      (val & 0x0007) == 0x0004 ? "406mV" :
		      (val & 0x0007) == 0x0005 ? "504mV" :
		      (val & 0x0007) == 0x0006 ? "602mV" :
		      (val & 0x0007) == 0x0007 ? "700mV" : "?");
		break;
	default:
		REG(reg - SERDES_OFFSET, "Reserved", val);
		break;
	}
};

static void dsa_mv88e6390(int reg, u16 val)
{
	switch (reg) {
	case 0:
		REG(reg, "Port Status", val);
		FIELD("Transmit Pause Enable bit", "%u", !!(val & 0x8000));
		FIELD("Receive Pause Enable bit", "%u", !!(val & 0x4000));
		FIELD("802.3 PHY Detected", "%u", !!(val & 0x1000));
		FIELD("Link Status", "%s", val & 0x0800 ? "Up" : "Down");
		FIELD("Duplex", "%s", val & 0x0400 ? "Full" : "Half");
		FIELD("Speed", "%s",
		      (val & 0x0300) == 0x0000 ? "10 Mbps" :
		      (val & 0x0300) == 0x0100 ? "100 or 200 Mbps" :
		      (val & 0x0300) == 0x0200 ? "1000 Mbps" :
		      (val & 0x0300) == 0x0300 ? "10 Gb or 2500 Mbps" : "?");
		FIELD("Duplex Fixed", "%u", !!(val & 0x0080));
		FIELD("EEE Enabled", "%u", !!(val & 0x0040));
		FIELD("Transmitter Paused", "%u", !!(val & 0x0020));
		FIELD("Flow Control", "%u", !!(val & 0x0010));
		FIELD("Config Mode", "0x%x", val & 0x000f);
		break;
	case 1:
		REG(reg, "Physical Control", val);
		FIELD("RGMII Receive Timing Control", "%s", val & 0x8000 ? "Delay" : "Default");
		FIELD("RGMII Transmit Timing Control", "%s", val & 0x4000 ? "Delay" : "Default");
		FIELD("Force Speed", "%u", !!(val & 0x2000));
		FIELD("Alternate Speed Mode", "%s", val & 0x1000 ? "Alternate" : "Normal");
		FIELD("MII PHY Mode", "%s", val & 0x0800 ? "PHY" : "MAC");
		FIELD("EEE force value", "%u", !!(val & 0x0200));
		FIELD("Force EEE", "%u", !!(val & 0x0100));
		FIELD("Link's Forced value", "%s", val & 0x0020 ? "Up" : "Down");
		FIELD("Force Link", "%u", !!(val & 0x0010));
		FIELD("Duplex's Forced value", "%s", val & 0x0008 ? "Full" : "Half");
		FIELD("Force Duplex", "%u", !!(val & 0x0004));
		FIELD("Force Speed", "%s",
		      (val & 0x0003) == 0x0000 ? "10 Mbps" :
		      (val & 0x0003) == 0x0001 ? "100 or 200 Mbps" :
		      (val & 0x0003) == 0x0002 ? "1000 Mbps" :
		      (val & 0x0003) == 0x0003 ? "10 Gb or 2500 Mbps" : "?");
		break;
	case 2:
		REG(reg, "Flow Control", val);
		break;
	case 3:
		REG(reg, "Switch Identifier", val);
		break;
	case 4:
		REG(reg, "Port Control", val);
		FIELD("Source Address Filtering controls", "%s",
		      (val & 0xc000) == 0x0000 ? "Disabled" :
		      (val & 0xc000) == 0x4000 ? "Drop On Lock" :
		      (val & 0xc000) == 0x8000 ? "Drop On Unlock" :
		      (val & 0xc000) == 0xc000 ? "Drop to CPU" : "?");
		FIELD("Egress Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "Unmodified" :
		      (val & 0x3000) == 0x1000 ? "Untagged" :
		      (val & 0x3000) == 0x2000 ? "Tagged" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("Ingress & Egress Header Mode", "%u", !!(val & 0x0800));
		FIELD("IGMP and MLD Snooping", "%u", !!(val & 0x0400));
		FIELD("Frame Mode", "%s",
		      (val & 0x0300) == 0x0000 ? "Normal" :
		      (val & 0x0300) == 0x0100 ? "DSA" :
		      (val & 0x0300) == 0x0200 ? "Provider" :
		      (val & 0x0300) == 0x0300 ? "Ether Type DSA" : "?");
		FIELD("VLAN Tunnel", "%u", !!(val & 0x0080));
		FIELD("TagIfBoth", "%u", !!(val & 0x0040));
		FIELD("Initial Priority assignment", "%s",
		      (val & 0x0030) == 0x0000 ? "Defaults" :
		      (val & 0x0030) == 0x0010 ? "Tag Priority" :
		      (val & 0x0030) == 0x0020 ? "IP Priority" :
		      (val & 0x0030) == 0x0030 ? "Tag & IP Priority" : "?");
		FIELD("Egress Flooding mode", "%s",
		      (val & 0x000c) == 0x0000 ? "No unknown DA" :
		      (val & 0x000c) == 0x0004 ? "No unknown multicast DA" :
		      (val & 0x000c) == 0x0008 ? "No unknown unicast DA" :
		      (val & 0x000c) == 0x000c ? "Allow unknown DA" : "?");
		FIELD("Port State", "%s",
		      (val & 0x0003) == 0x0000 ? "Disabled" :
		      (val & 0x0003) == 0x0001 ? "Blocking/Listening" :
		      (val & 0x0003) == 0x0002 ? "Learning" :
		      (val & 0x0003) == 0x0003 ? "Forwarding" : "?");
		break;
	case 5:
		REG(reg, "Port Control 1", val);
		FIELD("Message Port", "%u", !!(val & 0x8000));
		FIELD("LAG Port", "%u", !!(val & 0x4000));
		FIELD("VTU Page", "%u", !!(val & 0x2000));
		FIELD("LAG ID", "%u", (val & 0x0f00) >> 8);
		FIELD("FID[11:4]", "0x%.3x", (val & 0x00ff) << 4);
		break;
	case 6:
		REG(reg, "Port Base VLAN Map (Header)", val);
		FIELD("FID[3:0]", "0x%.3x", (val & 0xf000) >> 12);
		FIELD("Force Mapping", "%u", !!(val & 0x0800));
		FIELD_BITMAP("VLANTable", val & 0x007ff);
		break;
	case 7:
		REG(reg, "Default VLAN ID & Priority", val);
		FIELD("Default Priority", "0x%x", (val & 0xe000) >> 13);
		FIELD("Force to use Default VID", "%u", !!(val & 0x1000));
		FIELD("Default VLAN Identifier", "%u", val & 0x0fff);
		break;
	case 8:
		REG(reg, "Port Control 2", val);
		FIELD("Force good FCS in the frame", "%u", !!(val & 0x8000));
		FIELD("Allow bad FCS", "%u", !!(val & 0x4000));
		FIELD("Jumbo Mode", "%s",
		      (val & 0x3000) == 0x0000 ? "1522" :
		      (val & 0x3000) == 0x1000 ? "2048" :
		      (val & 0x3000) == 0x2000 ? "10240" :
		      (val & 0x3000) == 0x3000 ? "Reserved" : "?");
		FIELD("802.1QMode", "%s",
		      (val & 0x0c00) == 0x0000 ? "Disabled" :
		      (val & 0x0c00) == 0x0400 ? "Fallback" :
		      (val & 0x0c00) == 0x0800 ? "Check" :
		      (val & 0x0c00) == 0x0c00 ? "Secure" : "?");
		FIELD("Discard Tagged Frames", "%u", !!(val & 0x0200));
		FIELD("Discard Untagged Frames", "%u", !!(val & 0x0100));
		FIELD("Map using DA hits", "%u", !!(val & 0x0080));
		FIELD("ARP Mirror enable", "%u", !!(val & 0x0040));
		FIELD("Egress Monitor Source Port", "%u", !!(val & 0x0020));
		FIELD("Ingress Monitor Source Port", "%u", !!(val & 0x0010));
		FIELD("Allow VID of Zero", "%u", !!(val & 0x0008));
		FIELD("Default Queue Priority", "0x%x", val & 0x0007);
		break;
	case 9:
		REG(reg, "Egress Rate Control", val);
		break;
	case 10:
		REG(reg, "Egress Rate Control 2", val);
		break;
	case 11:
		REG(reg, "Port Association Vector", val);
		break;
	case 12:
		REG(reg, "Port ATU Control", val);
		break;
	case 13:
		REG(reg, "Override", val);
		break;
	case 14:
		REG(reg, "Policy Control", val);
		break;
	case 15:
		REG(reg, "Port Ether Type", val);
		break;
	case 22:
		REG(reg, "LED Control", val);
		break;
	case 23:
		REG(reg, "IP Priority Mapping Table", val);
		break;
	case 24:
		REG(reg, "IEEE Priority Mapping Table", val);
		break;
	case 25:
		REG(reg, "Port Control 3", val);
		break;
	case 27:
		REG(reg, "Queue Counters", val);
		break;
	case 28:
		REG(reg, "Queue Control", val);
		break;
	case 30:
		REG(reg, "Cut Through Control", val);
		break;
	case 31:
		REG(reg, "Debug Counters", val);
		break;
	default:
		REG(reg, "Reserved", val);
		break;
	}
};

struct dsa_mv88e6xxx_switch {
	void (*dump)(int reg, u16 val);
	const char *name;
	u16 id;
};

static const struct dsa_mv88e6xxx_switch dsa_mv88e6xxx_switches[] = {
	{ .id = 0x04a0, .name = "88E6085 ", .dump = NULL },
	{ .id = 0x0950, .name = "88E6095 ", .dump = NULL },
	{ .id = 0x0990, .name = "88E6097 ", .dump = NULL },
	{ .id = 0x0a00, .name = "88E6190X", .dump = dsa_mv88e6390 },
	{ .id = 0x0a10, .name = "88E6390X", .dump = dsa_mv88e6390 },
	{ .id = 0x1060, .name = "88E6131 ", .dump = NULL },
	{ .id = 0x1150, .name = "88E6320 ", .dump = NULL },
	{ .id = 0x1210, .name = "88E6123 ", .dump = dsa_mv88e6161 },
	{ .id = 0x1610, .name = "88E6161 ", .dump = dsa_mv88e6161 },
	{ .id = 0x1650, .name = "88E6165 ", .dump = NULL },
	{ .id = 0x1710, .name = "88E6171 ", .dump = NULL },
	{ .id = 0x1720, .name = "88E6172 ", .dump = dsa_mv88e6352 },
	{ .id = 0x1750, .name = "88E6175 ", .dump = NULL },
	{ .id = 0x1760, .name = "88E6176 ", .dump = dsa_mv88e6352 },
	{ .id = 0x1900, .name = "88E6190 ", .dump = dsa_mv88e6390 },
	{ .id = 0x1910, .name = "88E6191 ", .dump = NULL },
	{ .id = 0x1a70, .name = "88E6185 ", .dump = dsa_mv88e6185 },
	{ .id = 0x2400, .name = "88E6240 ", .dump = dsa_mv88e6352 },
	{ .id = 0x2900, .name = "88E6290 ", .dump = dsa_mv88e6390 },
	{ .id = 0x3100, .name = "88E6321 ", .dump = NULL },
	{ .id = 0x3400, .name = "88E6141 ", .dump = NULL },
	{ .id = 0x3410, .name = "88E6341 ", .dump = NULL },
	{ .id = 0x3520, .name = "88E6352 ", .dump = dsa_mv88e6352 },
	{ .id = 0x3710, .name = "88E6350 ", .dump = NULL },
	{ .id = 0x3750, .name = "88E6351 ", .dump = NULL },
	{ .id = 0x3900, .name = "88E6390 ", .dump = dsa_mv88e6390 },
};

static int dsa_mv88e6xxx_dump_regs(struct ethtool_regs *regs)
{
	const struct dsa_mv88e6xxx_switch *sw = NULL;
	const u16 *data = (u16 *)regs->data;
	unsigned int i;
	u16 id;

	/* Marvell chips have 32 per-port 16-bit registers */
	if (regs->len < 32 * sizeof(u16))
		return 1;

	id = regs->version & 0xfff0;

	for (i = 0; i < ARRAY_SIZE(dsa_mv88e6xxx_switches); i++) {
		if (id == dsa_mv88e6xxx_switches[i].id) {
			sw = &dsa_mv88e6xxx_switches[i];
			break;
		}
	}

	if (!sw)
		return 1;

	printf("%s Switch Port Registers\n", sw->name);
	printf("------------------------------\n");

	for (i = 0; i < 32; i++)
		if (sw->dump)
			sw->dump(i, data[i]);
		else
			REG(i, "", data[i]);

	/* Dump the SERDES registers, if provided */
	if (regs->len > SERDES_OFFSET * sizeof(u16)) {
		printf("\n%s Switch Port SERDES Registers\n", sw->name);
		printf("-------------------------------------\n");
		for (i = SERDES_OFFSET; i < regs->len / 2; i++)
			if (sw->dump)
				sw->dump(i, data[i]);
			else
				REG(i - SERDES_OFFSET, "", data[i]);
	}

	return 0;
}

#undef FIELD_BITMAP
#undef FIELD
#undef REG

int dsa_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
		  struct ethtool_regs *regs)
{
	/* DSA per-driver register dump */
	if (!dsa_mv88e6xxx_dump_regs(regs))
		return 0;

	/* Fallback to hexdump */
	return 1;
}