lwIP - A Lightweight TCP/IP stack - Bugs: bug #37969, SYN packet dropped as short packet...
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bug #37969: SYN packet dropped as short packet in tcp_input function
Submitter: | Riccardo Manfrin <riccardomanfrin> | ||
Submitted: | Fri 21 Dec 2012 12:56:02 PM UTC | ||
Category: | TCP | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | git head |
Tue 03 Jun 2014 07:10:01 PM UTC, comment #4: |
Simon Goldschmidt <goldsimon> |
Fri 11 Jan 2013 09:19:40 PM UTC, comment #3: Thanks for the info. I've tested it with "PBUF_POOL_BUFSIZE 64" and also got no connection.
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Simon Goldschmidt <goldsimon> |
Thu 27 Dec 2012 02:50:42 PM UTC, comment #2: Sorry for the late reply (Xmas holidays)... I have not a clear idea on where to look for in order to answer your question: whay I presume could be an answer is the lwipopt.h file which follows:
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Riccardo Manfrin <riccardomanfrin> |
Fri 21 Dec 2012 04:13:04 PM UTC, comment #1: In general, the headers are supposed to fit into the first pbuf. But I think for PBUF_POOL (which is normally used for RX), it should still work with the first pbuf containing 44 bytes only.
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Simon Goldschmidt <goldsimon> |
Fri 21 Dec 2012 12:56:02 PM UTC, original submission:
I'm integrating lwIP 1.4.0 in a NXP LPC cortex m3. I'm not using an operating system.
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Riccardo Manfrin <riccardomanfrin> |
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Follow 7 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2014-06-03 | goldsimon | Status | Confirmed | Fixed | |
Open/Closed | Open | Closed | |||
2013-01-11 | goldsimon | Status | Need Info | Confirmed | |
Assigned to | None | goldsimon | |||
Planned Release | 1.5.0 | ||||
2012-12-21 | goldsimon | Status | None | Need Info | |
2012-12-21 | riccardomanfrin | Carbon-Copy | - | Added -email is unavailable- |
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Corresponding source code
Fixed by also parsing options when they are splitted into 2 pbufs (the tcp header still must be in one contiguous memory block).