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[lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/una
From: |
Jonathan Larmour |
Subject: |
[lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue |
Date: |
Fri, 23 Mar 2007 05:12:11 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.13) Gecko/20060513 Fedora/1.0.8-1.1.fc3.1.legacy Firefox/1.0.8 |
Follow-up Comment #20, bug #11400 (project lwip):
Re Simon's comment #15
I may be missing something here, but I'm a bit worried we're all getting our
knickers in a twist unnecessarily. Simon was worried about this data also
existing in the TCP send queue. Looking at tcp_enqueue(), the data must
either already have been marked by the user as not needing to be copied, or
it will be copied into a PBUF_RAM. I do not see a way for a PBUF_REF to get
sent to the ARP layer from TCP. I'm perfectly willing to be corrected on this
:-).
Secondly, Simon says "that's the way it's solved right now (in CVS HEAD)".
What are you referring to here? Using a list of small structures is not
what's in CVS.
Finally, you imply there would be a memory leak because of the pbuf_ref. But
that's what the ARP timer is for - it will pbuf_free the queue (via its head)
when the timeout has expired for that entry.
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- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, (continued)
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/09
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/21
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/22
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue,
Jonathan Larmour <=
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/23
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Simon Goldschmidt, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Kieran Mansley, 2007/03/26
- [lwip-devel] [bug #11400] ARP multi-packet-queue modifies TCP unsent/unacked segment packet pbuf chain into packet queue, Jonathan Larmour, 2007/03/26