From: Jose Abreu <jose.ab...@synopsys.com> Date: Fri, 27 Oct 2017 14:55:44 +0100
> This adds support for IP version 5 of DWMAC. The new introduced > features are the Enhancements to Scheduled Traffic (EST) as > defined by IEEE802.1Qbv-2015 and Frame Preemption (FPE) as > defined by IEEE802.1Qbu. > > In order to not break previous setups all the necessary > configuration is only performed when GMAC5 is detected and > only when all the necessary parameters are available in the > Device Tree. > > EST: > The IEEE802.1Qbv-2015 defines the schedule for each of the > queues which makes the IP aware of traffic arrival time. This > information can be used to block the lower priority traffic > from transmission in this time window/slot. > > FPE: > The IEEE802.1Qbu defines a mechanism which breaks interfering > frames into smaller fragments shuch that we have a more efficient > use of network bandwidth. This needs EST enabled. > > Signed-off-by: Jose Abreu <joab...@synopsys.com> > Cc: David S. Miller <da...@davemloft.net> > Cc: Joao Pinto <jpi...@synopsys.com> > Cc: Giuseppe Cavallaro <peppe.cavall...@st.com> > Cc: Alexandre Torgue <alexandre.tor...@st.com> > --- > Changes since v1: > - Removed DT parsing This patch is pointless until something is added which turns on the boolean enable values.
