[LU-15778] UDSP inaccurate error msg when adding rule with combined src and rte

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.15.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Sarah Liu

Description

Got following error when try to add UDSP rule with both --src and --rte, but we do support add --dst and --rte at the same time

[root@trevis-88vm4 lutf]# lnetctl udsp show
[root@trevis-88vm4 lutf]# lnetctl udsp add --src 10.240.43.83@tcp --rte 10.240.43.80@tcp
add:
    - udsp:
          errno: -1
          descr: "The combination of src, dst and rte is not supported"
[root@trevis-88vm4 lutf]# lnetctl udsp add --dst 10.240.43.81@tcp1 --rte 10.240.43.80@tcp^C
[root@trevis-88vm4 lutf]# lnetctl udsp show
udsp:
    - idx: 0
      src: NA
      dst: 10.240.43.81@tcp1
      rte: 10.240.43.80@tcp