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4 Commits

Author SHA1 Message Date
Peter Heise
ee1c279772 net/hsr: Added support for HSR v1 
This patch adds support for the newer version 1 of the HSR
networking standard. Version 0 is still default and the new
version has to be selected via iproute2.

Main changes are in the supervision frame handling and its
ethertype field.

Signed-off-by: Peter Heise <peter.heise@airbus.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-15 17:06:48 -04:00
Arvid Brodin
e9aae56ea4 net/hsr: Operstate handling cleanup. 
Signed-off-by: Arvid Brodin <arvid.brodin@alten.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-07-08 11:35:30 -07:00
Arvid Brodin
70ebe4a471 net/hsr: Better variable names and update of contact info. 
Signed-off-by: Arvid Brodin <arvid.brodin@alten.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-07-08 11:35:30 -07:00
Arvid Brodin
f421436a59 net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 
High-availability Seamless Redundancy ("HSR") provides instant failover
redundancy for Ethernet networks. It requires a special network topology where
all nodes are connected in a ring (each node having two physical network
interfaces). It is suited for applications that demand high availability and
very short reaction time.

HSR acts on the Ethernet layer, using a registered Ethernet protocol type to
send special HSR frames in both directions over the ring. The driver creates
virtual network interfaces that can be used just like any ordinary Linux
network interface, for IP/TCP/UDP traffic etc. All nodes in the network ring
must be HSR capable.

This code is a "best effort" to comply with the HSR standard as described in
IEC 62439-3:2010 (HSRv0).

Signed-off-by: Arvid Brodin <arvid.brodin@xdin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2013-11-03 23:20:14 -05:00