Denis Gubin <denis.gu...@gmail.com> writes:
> Hello everybody!
>
> Could you help me, please?
>
> I use Debian 10 and iproute2 version iproute2
>
> dpkg -l iproute2
> iproute2 4.20.0-2 amd64
>
> My problem is this:
> I can't convert "tc -j filter show u32" command to json format.
> Here it is command:
> tc qdisc add dev eno1 ingress
> tc filter add dev eno1 parent ffff: protocol all u32 match u8 0 0
> action mirred egress mirror dev lo
>
> Have a look:
>
> ~$ tc -j filter show parent ffff: dev eno1
> [{
> "protocol": "all",
> "pref": 49152,
> "kind": "u32",
> "chain": 0
> },{
> "protocol": "all",
> "pref": 49152,
> "kind": "u32",
> "chain": 0,
> "options": {fh 800: ht divisor 1 }
> },{
> "protocol": "all",
> "pref": 49152,
> "kind": "u32",
> "chain": 0,
> "options": {fh 800::800 order 2048 key ht 800 bkt 0 terminal
> flowid ??? not_in_hw
> match 00000000/00000000 at 0
> "actions": [{
> "order": 1,
> "kind": "mirred",
> "mirred_action": "mirror",
> "direction": "egress",
> "to_dev": "lo",
> "control_action": {
> "type": "pipe"
> },
> "index": 1,
> "ref": 1,
> "bind": 1
> }]
> }
> }
> ]
>
>
> May be problem when there is actions in tc filter the problem is... I
> don't know about it.
> Have a look:
>
> "options": {fh 800::800 order 2048 key ht 800 bkt 0 terminal flowid
> ??? not_in_hw
> match 00000000/00000000 at 0
> "actions":
Looks like the u32 filter code hasn't been converted to JSON output at
all, yet.
> The json output is not valid.
> Has somebody made a patch for fix it?
Don't think so. But it's a fairly straight-forward thing to go through
f_u32.c and converting all the fprintf() calls to the various
print_XXX() functions if you want to give it a shot - just look at one
of the other files for how to use those functions :)
-Toke
