buglwIP - A Lightweight TCP/IP stack - Bugs: bug #43840, Checksum error for...

 
 

You are not allowed to post comments on this tracker with your current authentication level.

bug #43840: Checksum error for TCP_CHECKSUM_ON_COPY==1 for no-copy data with odd length

Submitted by:  Simon Goldschmidt <goldsimon>
Submitted on:  Wed 17 Dec 2014 08:20:57 AM UTC  
 
Category: IPv4Severity: 3 - Normal
Item Group: Faulty BehaviourStatus: Fixed
Privacy: PublicAssigned to: Simon Goldschmidt <goldsimon>
Open/Closed: ClosedPlanned Release: None
lwIP version: git head

Wed 17 Dec 2014 08:20:57 AM UTC, original submission:

With TCP_CHECKSUM_ON_COPY==1, tcp_write() creates an invalid (swapped) checksum for the first data chunk in a segment if this data chunk is not copied (PBUF_REF is created) and has an odd length.

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.

 

No files currently attached

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by goldsimon (Submitted the item)
  •  

    Do you think this task is very important?
    If so, you can click here to add your encouragement to it.
    This task has 0 encouragements so far.

    Only logged-in users can vote.

     

    Please enter the title of George Orwell's famous dystopian book (it's a date):

     

     

    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 17 Dec 2014 08:26:31 AM UTCgoldsimonStatusIn Progress=>Fixed
      Open/ClosedOpen=>Closed
      SummaryChecksum error for TCP_CHECKSUM_ON_COPY==1 for no-copy data=>Checksum error for TCP_CHECKSUM_ON_COPY==1 for no-copy data with odd length

    Back to the top


    Powered by Savane 3.1-cleanup1