!2592 Add support for RDMA VF over UBL

Merge Pull Request from: @stinft 
 
Upload two patchs to support RDMA VF over UBLink.
For RDMA over UB Link mode, UB Link replaces the current Ethernet. Add a new ARP protocol HW ID 38 and enable CM link building and netdevice event for this mode.

Chengchang Tang (1):
   RDMA/hns: Add support for RDMA VF over UBL
 Yangyang Li (1):
   RDMA/core: Add support for the new ARPHRD_UB

https://gitee.com/openeuler/kernel/issues/I8AL44 
 
Link:https://gitee.com/openeuler/kernel/pulls/2592

 

Reviewed-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>