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RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output
From: |
Kieran Mansley |
Subject: |
RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output |
Date: |
Wed, 23 May 2007 09:04:39 +0100 |
On Wed, 2007-05-23 at 08:19 +0200, Matthias Weisser wrote:
> >>>> that there is room at the front for the necessary headers. I
> >>>> suppose if your ethernet driver was being very efficient and
> >>>> had stripped off the ethernet header before creating the
> >>>> pbuf, this might not be the case. Can you show how you're
> >>>
> >>> Yes, that's what I am doing.
> >>>
> >> In that case it's technically the fault of lwIP and we should
> >> perhaps change our ICMP to not do this (or at least check the
> >> pbuf to see if it's OK before it does). If you'd rather not
> >> work around it, please file a bug so that it will eventually
> >> get fixed.
> >
> > Yes, please file a bug report!
>
> About what? That ip_input fails if the IP header is not 4 byte
> aligned? Or that etharp_output fails if there is no room at the
> beginning of a p_buf to store the ethernet header?
That ICMP assumes the pbuf you give it has space for a ethernet header
at the front.
Kieran
- [lwip-users] pbuf_header fails in etharp_output, Matthias Weisser, 2007/05/22
- Re: [lwip-users] pbuf_header fails in etharp_output, Kieran Mansley, 2007/05/22
- RE: [lwip-users] pbuf_header fails in etharp_output, Goldschmidt Simon, 2007/05/22
- Antw: RE: [lwip-users] pbuf_header fails in etharp_output, Matthias Weisser, 2007/05/22
- Re: Antw: RE: [lwip-users] pbuf_header fails in etharp_output, Kieran Mansley, 2007/05/22
- RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output, Goldschmidt Simon, 2007/05/22
- RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output, Kieran Mansley, 2007/05/22
- RE: [lwip-users] pbuf_header fails in etharp_output, Goldschmidt Simon, 2007/05/22
- RE: [lwip-users] pbuf_header fails in etharp_output, Kieran Mansley, 2007/05/22
- RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output, Matthias Weisser, 2007/05/23
- RE: Antw: RE: [lwip-users] pbuf_header fails in etharp_output,
Kieran Mansley <=