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SubjectRe: [PATCH] mptcp: move pr_fmt defining to protocol.h
On Fri, Apr 03, 2020 at 12:29:27PM +0200, Matthieu Baerts wrote:
> Hi Geliang,
>
> On 03/04/2020 09:57, Geliang Tang wrote:
> > Some of the mptcp logs didn't print out the format string "MPTCP":
> >
> > [ 129.185774] DSS
> > [ 129.185774] data_fin=0 dsn64=1 use_map=1 ack64=1 use_ack=1
> > [ 129.185774] data_ack=5481534886531492085
> > [ 129.185775] data_seq=15725204003114694615 subflow_seq=1425409 data_len=5216
> > [ 129.185776] subflow=0000000093526a92 fully established=1 seq=0:0 remaining=28
> > [ 129.185776] MPTCP: msk=00000000d5a704a6 ssk=00000000b5aabc31 data_avail=0 skb=0000000088f05424
> > [ 129.185777] MPTCP: seq=15725204003114694615 is64=1 ssn=1425409 data_len=5216 data_fin=0
> > [ 129.185777] MPTCP: msk=00000000d5a704a6 ssk=00000000b5aabc31 status=0
> > [ 129.185778] MPTCP: msk ack_seq=da3b25b9a233c2c7 subflow ack_seq=da3b25b9a233c2c7
> > [ 129.185778] MPTCP: msk=00000000d5a704a6 ssk=00000000b5aabc31 data_avail=1 skb=000000000caed2cc
> > [ 129.185779] subflow=0000000093526a92 fully established=1 seq=0:0 remaining=28
> >
> > So this patch moves the pr_fmt defining from protocol.c to protocol.h, which
> > is included by all the C files. Then we can get the same format string
> > "MPTCP" in all mptcp logs like this:
> >
> > [ 141.854787] MPTCP: DSS
> > [ 141.854788] MPTCP: data_fin=0 dsn64=1 use_map=1 ack64=1 use_ack=1
> > [ 141.854788] MPTCP: data_ack=18028325517710311871
> > [ 141.854788] MPTCP: data_seq=6163976859259356786 subflow_seq=3309569 data_len=8192
> > [ 141.854789] MPTCP: msk=000000005847a66a ssk=0000000022469903 data_avail=0 skb=00000000dd95efc3
> > [ 141.854789] MPTCP: seq=6163976859259356786 is64=1 ssn=3309569 data_len=8192 data_fin=0
> > [ 141.854790] MPTCP: msk=000000005847a66a ssk=0000000022469903 status=0
> > [ 141.854790] MPTCP: msk ack_seq=558ad84b9be1d162 subflow ack_seq=558ad84b9be1d162
> > [ 141.854791] MPTCP: msk=000000005847a66a ssk=0000000022469903 data_avail=1 skb=000000000b8926f6
> > [ 141.854791] MPTCP: subflow=00000000e4e4579c fully established=1 seq=0:0 remaining=28
> > [ 141.854792] MPTCP: subflow=00000000e4e4579c fully established=1 seq=0:dcdf2f3b remaining=28
>
> Good idea to uniform that.
> I think it can be useful for MPTCP devs to add a different prefix in each
> MPTCP .c files but this small improvement can be done later.
>
> LGTM, thanks Geliang!
>
> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>

Hi Matthieu,

Thanks for your reply.

I have already resend this patch to you, a better version, v2, added pr_fmt
in each .c files.

-Geliang

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