Rare project developers

[mc36 <>]

hi,
on tofino2 with sde910 i was able to start the minimal bf_router and found 
that
the constant table ig_ctl_pkt_pre_emit get compiled badly... first thing to 
note
here is the functions all point to to_cpu and running the program through it 
does
not hit anything...
br,
cs


:11-02 07:17:20.021628:    :0x8:-:<0,0,->:------------ Stage 3 ------------
:11-02 07:17:20.022014:    :0x8:-:<0,0,3>:Ingress : Table 
ig_ctl.ig_ctl_pkt_pre_emit.tbl_pkt_pre_emit is miss
:11-02 07:17:20.022048:        :0x8:-:<0,0,3>:Key:
:11-02 07:17:20.022100:        :0x8:-:<0,0,3>: ig_md.mpls0_remove[0:0] = 0x0
:11-02 07:17:20.022123:        :0x8:-:<0,0,3>: ig_md.mpls1_remove[0:0] = 0x0
:11-02 07:17:20.022146:        :0x8:-:<0,0,3>: 
ig_md.mpls_encap_decap_sap_type[2:0] = 0x4
:11-02 07:17:20.022160:        :0x8:-:<0,0,3>: 
ig_md.mpls_encap_l2vpn_valid[0:0] = 0x0
:11-02 07:17:20.022174:        :0x8:-:<0,0,3>: 
ig_md.mpls_encap_l3vpn_valid[0:0] = 0x0
:11-02 07:17:20.022193:        :0x8:-:<0,0,3>: 
ig_md.mpls_encap_rawip_valid[0:0] = 0x0
:11-02 07:17:20.022208:        :0x8:-:<0,0,3>: ig_md.nexthop_id[15:0] = 0xB4A6
:11-02 07:17:20.022226:        :0x8:-:<0,0,3>: 
ig_md.srv_encap_l3vpn_valid[0:0] = 0x0
:11-02 07:17:20.022240:        :0x8:-:<0,0,3>: ig_md.srv_remove[0:0] = 0x0
:11-02 07:17:20.022257:        :0x8:-:<0,0,3>:Execute Default Action: NoAction
:11-02 07:17:20.022281:        :0x8:-:<0,0,3>:Action Results:
:11-02 07:17:20.022298:        :0x8:-:<0,0,3>:Next Table = --END_OF_PIPELINE--


bfrt.bf_router.pipe.ig_ctl.ig_ctl_pkt_pre_emit> dump
----------------------------------------------> dump()
----- tbl_pkt_pre_emit Dump Start -----
Default Entry:
Entry data (action : NoAction):

Entry 0:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x0
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 0
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 1:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x0
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 1
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 2:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x0
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 2
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 3:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x0
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 3
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 4:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x4
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 4
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 5:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x4
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 5
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 6:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x4
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 6
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 7:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x4
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 7
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 8:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x6
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 8
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 9:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x0
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x6
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 9
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 10:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x0
    ig_md.mpls_encap_decap_sap_type : 0x6
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 10
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

Entry 11:
Entry key:
    ig_md.srv_encap_l3vpn_valid    : 0x0
    ig_md.mpls_encap_rawip_valid   : 0x0
    ig_md.mpls_encap_l3vpn_valid   : 0x0
    ig_md.mpls_encap_l2vpn_valid   : 0x0
    ig_md.srv_remove               : 0x0
    ig_md.mpls0_remove             : 0x1
    ig_md.mpls1_remove             : 0x1
    ig_md.mpls_encap_decap_sap_type : 0x6
    ig_md.nexthop_id               : ('0x0002', '0xFFFF')
    $MATCH_PRIORITY                : 11
Entry data (action : ig_ctl.ig_ctl_pkt_pre_emit.act_pkt_send_to_cpu):

----- tbl_pkt_pre_emit Dump End -----


bfrt.bf_router.pipe.ig_ctl.ig_ctl_pkt_pre_emit>


On 11/2/22 11:33, mc36 wrote:
> hi,
> i tried to reproduce the tofino2 issue with the latest sde911 but i get the 
> below error...
> the forwarder errors out pointing to the sde itself... it works if i start 
> for tofino1...
> any idea on how to proceed?
> thanks,
> cs
>
>
>
> bf_forwarder.py running on: ACCTON_WEDGE100BF_32X
> Connected to control plane 10.10.10.227:9080
> GRPC_ADDRESS: 127.0.0.1:50052
> P4_NAME: bf_router
> CLIENT_ID: 0
> Subscribe attempt #1
> Subscribe response received 0
> Connected to grcp server
> Traceback (most recent call last):
>     File 
> "/home/mc36/bf-sde-9.11.0/install/lib/python3.9/site-packages/tofino/bfrt_grpc/client.py",
>  line 494, in bfrt_info_get
>         msg = self.stub.GetForwardingPipelineConfig(req)
>     File "/usr/lib/python3/dist-packages/grpc/_channel.py", line 826, in 
> __call__
>         return _end_unary_response_blocking(state, call, False, None)
>     File "/usr/lib/python3/dist-packages/grpc/_channel.py", line 729, in 
> _end_unary_response_blocking
>         raise _InactiveRpcError(state)
> grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated 
> with:
>          status = StatusCode.UNKNOWN
>          details = "Unexpected error in RPC handling"
>          debug_error_string = "{"created","description":"Error received from peer 
> ipv4:127.0.0.1:50052","file":"src/core/lib/surface/call.cc","file_line":1055,"grpc_message":"Unexpected error in RPC handling","grpc_status":2}"
>  >
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
>     File "/home/mc36/rare/bfrt_python/bf_forwarder.py", line 100, in <module>
>         bf_client, bf_client_id = newClient(bind = True)
>     File "/home/mc36/rare/bfrt_python/bf_forwarder.py", line 85, in newClient
>         client = BfRuntimeGrpcClient(
>     File "/home/mc36/rare/bfrt_python/rare/bf_grpc_client/__init__.py", line 
> 40, in __init__
>         self.bfrt_info = self.interface.bfrt_info_get()
>     File 
> "/home/mc36/bf-sde-9.11.0/install/lib/python3.9/site-packages/tofino/bfrt_grpc/client.py",
>  line 496, in bfrt_info_get
>         raise BfruntimeForwardingRpcException(e)
>     File 
> "/home/mc36/bf-sde-9.11.0/install/lib/python3.9/site-packages/tofino/bfrt_grpc/client.py",
>  line 266, in __init__
>         assert(grpc_error.code() != grpc.StatusCode.UNKNOWN)
> AssertionError