[lwip-devel] [patch #8882] Vector improvements

[Joel Cunningham]

Follow-up Comment #46, patch #8882 (project lwip):

> I'd just have to re-think the planned release. Maybe this would be better
off in 2.1.0 to give us some time to test it...

I'm fine with 2.1.0.  Technically this is a performance fix as it prevents
each vector from becoming its own individual TCP segment, outputted
individually

> As to the binary compatibility of an external struct: we don't we just
compare size and offsets of the two structs using LWIP_ASSERT? Somewhere in an
init function where it's only done once. Like 'lwip_init()'. 

We could do that, what would be the recommended resolution if the asserts are
failing though?  Have the port maintainer remove the external definition from
include tree?

> I can imagine that going wrong, yes. I'm not too keen on fixing this right
now though. Letting it go wrong might get us a feedback on if it's really used
:-) 

I like this approach, we can learn more when there is yelling on the mailing
list ;)

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