Commit graph

7 commits

Author SHA1 Message Date
Joe Hershberger
f40a31e695 sandbox: eth-raw: Add a SIMPLE_BUS to enumerate host interfaces
Ask the OS for each of its interfaces and for each one, bind a U-Boot
device and then probe it. This will allocate the priv data structure
that is then populated.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-07-26 14:08:19 -05:00
Joe Hershberger
c9e2caff85 sandbox: eth-raw: Allow interface to be specified by index
With systemd stable interface names, eth0 will almost never exist.
Instead of using that name in the sandbox.dts, use an index.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-07-26 14:08:18 -05:00
Joe Hershberger
ac13270b49 sandbox: eth-raw: Add a function to ask the host about localhost
Instead of doing a simple string compare against "lo", look for the flag
that indicates a localhost interface.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-07-26 14:08:18 -05:00
Joe Hershberger
8c7988b6db net: sandbox-raw: Convert raw eth driver to livetree
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-07-26 14:08:18 -05:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Joe Hershberger
22f68524f8 sandbox: eth: Add support for using the 'lo' interface
The 'lo' interface on Linux doesn't support thinks like ARP or
link-layer access like we use to talk to a normal network interface.
A higher-level network API must be used to access localhost.

As written, this interface is limited to not supporting ICMP since the
API doesn't allow the socket to be opened for all IP traffic and be able
to receive at the same time. UDP is far more useful to test with, so it
was selected over ICMP. Ping won't work, but things like TFTP should
work.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18 11:11:14 -06:00
Joe Hershberger
a346ca7902 sandbox: eth: Add a bridge to a real network for sandbox
Implement a bridge between U-Boot's network stack and Linux's raw packet
API allowing the sandbox to send and receive packets using the host
machine's network interface.

This raw Ethernet API requires elevated privileges.  You can either run
as root, or you can add the capability needed like so:

sudo /sbin/setcap "CAP_NET_RAW+ep" /path/to/u-boot

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18 11:11:13 -06:00