On 12/24/2015 11:12 AM, zyjzyj2...@gmail.com wrote:
Hi, Jeff

Thanks for your reply.

Changes:
Since there is a time span between link_up and link_speed to X540 NIC, it is 
not appropriate to continue in the function ixgbe_watchdog_link_is_up if only 
link_up is ready.

Best Regards!
Zhu Yanjun
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Hi, Jeff

The following logs are from the customer. From these logs, there is a time span between link_up and link_speed.
This time span sometimes will make bonding in 802.3ad mode not work well.

What I have done in the patch is to prevent this time span in the ixgbe driver.

Best Regards!
Zhu Yanjun

Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: no
Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: yes
Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: yes
Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: yes
Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: Unknown!
    Duplex: Unknown! (255)
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: yes
Settings for eth0:
    Supported ports: [ TP ]
    Supported link modes:   100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  100baseT/Full
                            1000baseT/Full
                            10000baseT/Full
    Advertised pause frame use: No
    Advertised auto-negotiation: Yes
    Speed: 10000Mb/s
    Duplex: Full
    Port: Twisted Pair
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: d
    Wake-on: d
    Current message level: 0x00000007 (7)
                   drv probe link
    Link detected: yes
------------------------------------------------------------------------------
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