On 3 March 2015 at 19:41, Joe Hershberger <joe.hershber...@ni.com> wrote: > 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.hershber...@ni.com> > > --- > > Changes in v5: > -Add details about lo support to the README > -Remove socket timeout > -Separate init to 2 helper static functions > -Set the socket to non-blocking > -Use INADDR_LOOPBACK > -Use more verbose comments
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
