* generate icmp checksum
@ 2021-03-02 20:45 Peng Yu
2021-03-02 21:31 ` Christian Grothoff
2021-03-02 21:31 ` Florian Weimer
0 siblings, 2 replies; 3+ messages in thread
From: Peng Yu @ 2021-03-02 20:45 UTC (permalink / raw)
To: libc-help
Hi,
https://github.com/bminor/glibc/blob/21c3f4b5368686ade28d90d8c7d79c4c95c72c1b/sysdeps/gnu/netinet/ip_icmp.h
I see there is a checksum field in the above file. Is there a function
that can generate the checksum? Thanks.
--
Regards,
Peng
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: generate icmp checksum
2021-03-02 20:45 generate icmp checksum Peng Yu
@ 2021-03-02 21:31 ` Christian Grothoff
2021-03-02 21:31 ` Florian Weimer
1 sibling, 0 replies; 3+ messages in thread
From: Christian Grothoff @ 2021-03-02 21:31 UTC (permalink / raw)
To: Peng Yu; +Cc: libc-help
You can find one here:
https://git.gnunet.org/gnunet.git/tree/src/util/tun.c
On 3/2/21 9:45 PM, Peng Yu via Libc-help wrote:
> Hi,
>
> https://github.com/bminor/glibc/blob/21c3f4b5368686ade28d90d8c7d79c4c95c72c1b/sysdeps/gnu/netinet/ip_icmp.h
>
> I see there is a checksum field in the above file. Is there a function
> that can generate the checksum? Thanks.
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: generate icmp checksum
2021-03-02 20:45 generate icmp checksum Peng Yu
2021-03-02 21:31 ` Christian Grothoff
@ 2021-03-02 21:31 ` Florian Weimer
1 sibling, 0 replies; 3+ messages in thread
From: Florian Weimer @ 2021-03-02 21:31 UTC (permalink / raw)
To: Peng Yu via Libc-help
* Peng Yu via Libc-help:
> Hi,
>
> https://github.com/bminor/glibc/blob/21c3f4b5368686ade28d90d8c7d79c4c95c72c1b/sysdeps/gnu/netinet/ip_icmp.h
>
> I see there is a checksum field in the above file. Is there a function
> that can generate the checksum? Thanks.
I do not think we have an implementation of the Internet checksum in
glibc, but it's a large library, so it's difficult to be sure.
Florian
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-03-02 20:45 generate icmp checksum Peng Yu
2021-03-02 21:31 ` Christian Grothoff
2021-03-02 21:31 ` Florian Weimer
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