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Message-ID: <20200727210141.GA1705504@lunn.ch>
Date: Mon, 27 Jul 2020 23:01:41 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Michal Kubecek <mkubecek@...e.cz>
Cc: Jamie Gloudon <jamie.gloudon@....fr>,
Jacob Keller <jacob.e.keller@...el.com>, netdev@...r.kernel.org
Subject: Re: Broken link partner advertised reporting in ethtool
> - the exact command you ran (including arguments)
> - expected output (or at least the relevant part)
> - actual output (or at least the relevant part)
> - output with dump of netlink messages, you can get it by enabling
> debugging flags, e.g. "ethtool --debug 0x12 eth0"
Hi Michal
See if this helps.
This is a Marvel Ethernet switch port using an Marvell PHY.
$ dpkg -l ethtool
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-============-============-==========================================
ii ethtool 1:5.4-1 amd64 display or change Ethernet device settings
root@rap:~# ethtool green
Settings for green:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Link partner advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 4
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Link detected: yes
And now ethtool from git 4e02c55227c9958184d5941de73d9cf1cd49bf2e.
root@rap:/home/andrew/ethtool# /home/andrew/ethtool/ethtool green
Settings for green:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: Not reported
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: No
Link partner advertised FEC modes: No
Speed: 1000Mb/s
Duplex: Full
Auto-negotiation: on
Port: MII
PHYAD: 4
Transceiver: external
Supports Wake-on: d
Wake-on: d
Link detected: yes
So they are definitely missing.
Here are the netlink messages.
sending genetlink packet (32 bytes):
msg length 32 genl-ctrl
CTRL_CMD_GETFAMILY
CTRL_ATTR_FAMILY_NAME = "ethtool"
...
...
sending genetlink packet (36 bytes):
msg length 36 ethool ETHTOOL_MSG_LINKMODES_GET
ETHTOOL_MSG_LINKMODES_GET
ETHTOOL_A_LINKMODES_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
received genetlink packet (572 bytes):
msg length 572 ethool ETHTOOL_MSG_LINKMODES_GET_REPLY
ETHTOOL_MSG_LINKMODES_GET_REPLY
ETHTOOL_A_LINKMODES_HEADER
ETHTOOL_A_HEADER_DEV_INDEX = 8
ETHTOOL_A_HEADER_DEV_NAME = "green"
ETHTOOL_A_LINKMODES_AUTONEG = on
ETHTOOL_A_LINKMODES_OURS
ETHTOOL_A_BITSET_SIZE = 90
ETHTOOL_A_BITSET_BITS
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 0
ETHTOOL_A_BITSET_BIT_NAME = "10baseT/Half"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 1
ETHTOOL_A_BITSET_BIT_NAME = "10baseT/Full"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 2
ETHTOOL_A_BITSET_BIT_NAME = "100baseT/Half"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 3
ETHTOOL_A_BITSET_BIT_NAME = "100baseT/Full"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 5
ETHTOOL_A_BITSET_BIT_NAME = "1000baseT/Full"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 6
ETHTOOL_A_BITSET_BIT_NAME = "Autoneg"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 7
ETHTOOL_A_BITSET_BIT_NAME = "TP"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 9
ETHTOOL_A_BITSET_BIT_NAME = "MII"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 13
ETHTOOL_A_BITSET_BIT_NAME = "Pause"
ETHTOOL_A_BITSET_BIT_VALUE = true
ETHTOOL_A_LINKMODES_PEER
ETHTOOL_A_BITSET_NOMASK = true
ETHTOOL_A_BITSET_SIZE = 90
ETHTOOL_A_BITSET_BITS
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 0
ETHTOOL_A_BITSET_BIT_NAME = "10baseT/Half"
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 1
ETHTOOL_A_BITSET_BIT_NAME = "10baseT/Full"
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 2
ETHTOOL_A_BITSET_BIT_NAME = "100baseT/Half"
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 3
ETHTOOL_A_BITSET_BIT_NAME = "100baseT/Full"
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 5
ETHTOOL_A_BITSET_BIT_NAME = "1000baseT/Full"
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_A_BITSET_BIT_INDEX = 6
ETHTOOL_A_BITSET_BIT_NAME = "Autoneg"
ETHTOOL_A_LINKMODES_SPEED = 1000
ETHTOOL_A_LINKMODES_DUPLEX = 1
Settings for green:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: Not reported
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: No
Link partner advertised FEC modes: No
Speed: 1000Mb/s
Duplex: Full
Auto-negotiation: on
received genetlink packet (36 bytes):
msg length 36 error errno=0
sending genetlink packet (36 bytes):
msg length 36 ethool ETHTOOL_MSG_LINKINFO_GET
ETHTOOL_MSG_LINKINFO_GET
ETHTOOL_A_LINKINFO_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
received genetlink packet (84 bytes):
msg length 84 ethool ETHTOOL_MSG_LINKINFO_GET_REPLY
ETHTOOL_MSG_LINKINFO_GET_REPLY
ETHTOOL_A_LINKINFO_HEADER
ETHTOOL_A_HEADER_DEV_INDEX = 8
ETHTOOL_A_HEADER_DEV_NAME = "green"
ETHTOOL_A_LINKINFO_PORT = 2
ETHTOOL_A_LINKINFO_PHYADDR = 4
ETHTOOL_A_LINKINFO_TP_MDIX = 0
ETHTOOL_A_LINKINFO_TP_MDIX_CTRL = 0
ETHTOOL_A_LINKINFO_TRANSCEIVER = 1
Port: MII
PHYAD: 4
Transceiver: external
received genetlink packet (36 bytes):
msg length 36 error errno=0
sending genetlink packet (36 bytes):
msg length 36 ethool ETHTOOL_MSG_WOL_GET
ETHTOOL_MSG_WOL_GET
ETHTOOL_A_WOL_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
received genetlink packet (60 bytes):
msg length 60 ethool ETHTOOL_MSG_WOL_GET_REPLY
ETHTOOL_MSG_WOL_GET_REPLY
ETHTOOL_A_WOL_HEADER
ETHTOOL_A_HEADER_DEV_INDEX = 8
ETHTOOL_A_HEADER_DEV_NAME = "green"
ETHTOOL_A_WOL_MODES
ETHTOOL_A_BITSET_SIZE = 8
ETHTOOL_A_BITSET_BITS
Supports Wake-on: d
Wake-on: d
received genetlink packet (36 bytes):
msg length 36 error errno=0
sending genetlink packet (36 bytes):
msg length 36 ethool ETHTOOL_MSG_DEBUG_GET
ETHTOOL_MSG_DEBUG_GET
ETHTOOL_A_DEBUG_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
received genetlink packet (56 bytes):
msg length 56 error errno=-95
offending message:
ETHTOOL_MSG_DEBUG_GET
ETHTOOL_A_DEBUG_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
sending genetlink packet (36 bytes):
msg length 36 ethool ETHTOOL_MSG_LINKSTATE_GET
ETHTOOL_MSG_LINKSTATE_GET
ETHTOOL_A_LINKSTATE_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "green"
received genetlink packet (52 bytes):
msg length 52 ethool ETHTOOL_MSG_LINKSTATE_GET_REPLY
ETHTOOL_MSG_LINKSTATE_GET_REPLY
ETHTOOL_A_LINKSTATE_HEADER
ETHTOOL_A_HEADER_DEV_INDEX = 8
ETHTOOL_A_HEADER_DEV_NAME = "green"
ETHTOOL_A_LINKSTATE_LINK = on
Link detected: yes
received genetlink packet (36 bytes):
msg length 36 error errno=0
I also get similar results from a USB-Ethernet Dongle:
# ethtool enx0050b61b0207
Settings for enx0050b61b0207:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Link partner advertised pause frame use: Symmetric
Link partner advertised auto-negotiation: Yes
Link partner advertised FEC modes: Not reported
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 16
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pg
Wake-on: p
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
# /home/andrew/ethtool/ethtool enx0050b61b0207
Settings for enx0050b61b0207:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: Not reported
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: No
Link partner advertised FEC modes: No
Speed: 100Mb/s
Duplex: Full
Auto-negotiation: on
Port: MII
PHYAD: 16
Transceiver: internal
Supports Wake-on: pg
Wake-on: p
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
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