| # | |
| # IEC 62439-3 High-availability Seamless Redundancy | |
| # | |
| config HSR | |
| tristate "High-availability Seamless Redundancy (HSR)" | |
| ---help--- | |
| If you say Y here, then your Linux box will be able to act as a | |
| DANH ("Doubly attached node implementing HSR"). For this to work, | |
| your Linux box needs (at least) two physical Ethernet interfaces, | |
| and it must be connected as a node in a ring network together with | |
| other HSR capable nodes. | |
| All Ethernet frames sent over the hsr device will be sent in both | |
| directions on the ring (over both slave ports), giving a redundant, | |
| instant fail-over network. Each HSR node in the ring acts like a | |
| bridge for HSR frames, but filters frames that have been forwarded | |
| earlier. | |
| This code is a "best effort" to comply with the HSR standard as | |
| described in IEC 62439-3:2010 (HSRv0), but no compliancy tests have | |
| been made. | |
| You need to perform any and all necessary tests yourself before | |
| relying on this code in a safety critical system! | |
| If unsure, say N. |