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Date: Wed, 17 Dec 2014 10:59:36 -0600 From: Dan Williams <dcbw@...hat.com> To: netdev@...r.kernel.org Cc: Joshua Watt <jpewdev@...il.com>, jpirko@...hat.com, Florian Fainelli <f.fainelli@...il.com> Subject: [PATCH] Documentation: clarify phys_port_id Signed-off-by: Dan Williams <dcbw@...hat.com> --- Documentation/ABI/testing/sysfs-class-net | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net index e1b2e78..7fe823a 100644 --- a/Documentation/ABI/testing/sysfs-class-net +++ b/Documentation/ABI/testing/sysfs-class-net @@ -186,7 +186,12 @@ KernelVersion: 3.12 Contact: netdev@...r.kernel.org Description: Indicates the interface unique physical port identifier within - the NIC, as a string. + the NIC, as a string. If two net_device objects share physical + hardware or other resources, and/or do not operate independently + both net_device objects should be assigned the + same phys_port_id. phys_port_id should be as globally unique + as possible to prevent conflicts between different drivers and + vendors, eg with MAC addresses or hardware GUIDs. What: /sys/class/net/<iface>/speed Date: October 2009 -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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