misc: Remove FullSystem check for networking components

Information
Submitter:	Michael LeBeane
Repository:	gem5
Branch:	default
Bugs:
Depends On:
Reviewers
Groups:	Default
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Description

Changeset 11550:c3a28f498d2b
---------------------------
misc: Remove FullSystem check for networking components
Ethernet devices are currently only hooked up if running in FS mode.  Much of
the Ethernet networking code is generic and can be used to build non-Ethernet
device models.  Some of these device models do not require a complex driver
stack and can be built to use an EmulatedDriver in SE mode. This patch enables
etherent interfaces to properly connect regardless of whether the simulation
is in FS or SE mode.

Testing Done

How on earth would you use an Ethernet device without an OS and a driver stack?

Michael LeBeane Aug. 4, 2016, 10:20 a.m. (Aug. 4, 2016, 10:20 a.m.)

A lot of the Ethernet networking code is fairly generic and can be used to build non-ethernet device models. Some of these device models (high performance RDMA NICs for example) don't need a complex driver stack and can use a simple EmulatedDriver in SE mode.

In the long run, I think it would help to rename a lot of these "Ether" objects to "Net" objects if they don't have ethernet-specific semantics in them.

Andreas Hansson Aug. 4, 2016, 10:27 a.m. (Aug. 4, 2016, 10:27 a.m.)

Great. Thanks for the clarification. I'd suggest mentioning this in the description.

Description:

~		Changeset 11550:83b09c2a82ac
	~	Changeset 11550:c3a28f498d2b

		misc: Remove FullSystem check for networking components
~		Ethernet devices are currently only hooked up if running in FS mode.
~		This patch enables etherent interface to properly connect regardless of
~		whether the simulation is in FS or SE mode.
	~	Ethernet devices are currently only hooked up if running in FS mode. Much of
	~	the Ethernet networking code is generic and can be used to build non-Ethernet
	~	device models. Some of these device models do not require a complex driver
	+	stack and can be built to use an EmulatedDriver in SE mode. This patch enables
	+	etherent interfaces to properly connect regardless of whether the simulation
	+	is in FS or SE mode.