diff options
author | Andrew Lunn <andrew@lunn.ch> | 2020-07-20 11:50:02 -0700 |
---|---|---|
committer | Michal Kubecek <mkubecek@suse.cz> | 2020-07-20 23:09:56 +0200 |
commit | 03ff0583c68b07ac38cede15a8a3dc2c232edc3a (patch) | |
tree | 0069bdc6d15664c7515abda9b71aebddc31b8263 | |
parent | 3c53b7987fdd12b5c55733a48d404b21c1b2dd8b (diff) | |
download | ethtool-03ff0583c68b07ac38cede15a8a3dc2c232edc3a.tar.gz |
ethtool: dsa: mv88e6xxx: add pretty dump for 88E6352 SERDES
In addition to the port registers, the device can provide the
SERDES/PCS registers. Dump these, and for a few of the important
SGMII/1000Base-X registers decode the bits.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
-rw-r--r-- | dsa.c | 200 |
1 files changed, 198 insertions, 2 deletions
@@ -3,6 +3,8 @@ #include "internal.h" +#define SERDES_OFFSET 32 + /* Macros and dump functions for the 16-bit mv88e6xxx per-port registers */ #define REG(_reg, _name, _val) \ @@ -405,21 +407,204 @@ static void dsa_mv88e6352(int reg, u16 val) 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; - default: + 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; } }; @@ -643,7 +828,7 @@ static int dsa_mv88e6xxx_dump_regs(struct ethtool_regs *regs) int i; /* Marvell chips have 32 per-port 16-bit registers */ - if (regs->len < 32 * 2) + if (regs->len < 32 * sizeof(u16)) return 1; id = regs->version & 0xfff0; @@ -667,6 +852,17 @@ static int dsa_mv88e6xxx_dump_regs(struct ethtool_regs *regs) 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; } |