[LTP] [PATCH 1/1] net/broken_ip: Rewrite into new API

[Petr Vorel <pvorel@suse.cz>]

Hi Alexey,

> >> Acked-by: Alexey Kodanev <alexey.kodanev@oracle.com>
> > ...
> >>> +export ICMPV4_DATA_MAXSIZE=1472
> >>> +export ICMPV6_DATA_MAXSIZE=1452

> >> Since these variables are in the library, may be it would be better to tune
> >> them depending on an MTU of the tests interfaces?
> > Good idea. 1472 and 1452 are based on MTU = 1500 (IPv4: 1500 - 20 bytes for IPv4 header
> > - 8 bytes for ICMP header; IPv6: 1500 - 40 bytes for IPv6 header - 8 bytes for ICMP header),
> > which looks to me as the default for netns NICs and ethernet and wifi NICs,
> > but we should avoid failures when different MTU used.
> > I propose merging this version and add MTU detection support later.


> OK. Perhaps we should rename them to indicate that they relate to ns-icmpv_sender,
> because the maximum icmp data size is 65535 - headers, not those values.
True. How about this:

export NS_ICMPV4_SENDER_DATA_MAXSIZE=1472
export NS_ICMPV6_SENDER_DATA_MAXSIZE=1452

Kind regards,
Petr