The IEEE 802.1CB-2017 standard defines the Redundancy Tag (R-TAG) with
EtherType 0xF1C1. Add ETH_P_RTAG to the kernel's EtherType definitions
so that it can be used by tc classifiers (e.g. cls_flower) and the FRER
tc action for stream identification on the ingress path.

Signed-off-by: Xiaoliang Yang <[email protected]>
---
 include/uapi/linux/if_ether.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index fb5efc8e06cc..2d909078cde1 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -122,6 +122,7 @@
 #define ETH_P_DSA_8021Q        0xDADB          /* Fake VLAN Header for DSA [ 
NOT AN OFFICIALLY REGISTERED ID ] */
 #define ETH_P_DSA_A5PSW        0xE001          /* A5PSW Tag Value [ NOT AN 
OFFICIALLY REGISTERED ID ] */
 #define ETH_P_IFE      0xED3E          /* ForCES inter-FE LFB type */
+#define ETH_P_RTAG     0xF1C1          /* Redundancy Tag (IEEE 802.1CB) */
 #define ETH_P_AF_IUCV   0xFBFB         /* IBM af_iucv [ NOT AN OFFICIALLY 
REGISTERED ID ] */
 #define ETH_P_NXP_NETC  0xFD3A         /* NXP NETC DSA [ NOT AN OFFICIALLY 
REGISTERED ID ] */
 
-- 
2.17.1


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