[lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. master_at_STABLE-2_0_0-1243-gb5e67f1

[Simon Goldschmidt]

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The branch, master has been updated
       via  b5e67f142a74338427d7fd437392302672cc723b (commit)
       via  7b6d2870cadda6d9120c0d954dd36bdc42f4cb8a (commit)
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- Log -----------------------------------------------------------------
commit b5e67f142a74338427d7fd437392302672cc723b
Author: goldsimon <address@hidden>
Date:   Mon Feb 12 12:38:17 2018 +0100

    tcp: LWIP_CHECKSUM_ON_COPY: fix adding data to retx segment
    
    See bug #50914( TCP_CHECKSUM_ON_COPY when adding data to
    retransmission): when adding data to an already transmitted segment
    that has an uneven length, the checksum was wrong.
    
    To fix this, tcp_output_segment has to restore seg->chksum_swapped
    before returning.

commit 7b6d2870cadda6d9120c0d954dd36bdc42f4cb8a
Author: goldsimon <address@hidden>
Date:   Mon Feb 12 12:34:45 2018 +0100

    test: add a unit test for TCP_CHECKSUM_ON_COPY with retransmissions
    
    This triggers bug #50914 (TCP_CHECKSUM_ON_COPY when adding data to
    retransmission) when data is added to an already transmitted segment
    with an uneven length of tcp data.

commit cff31ba5de716acb9ea310c7602374240d137ede
Author: goldsimon <address@hidden>
Date:   Mon Feb 12 12:32:40 2018 +0100

    test: enable LWIP_CHECKSUM_ON_COPY and TCP_CHECKSUM_ON_COPY_SANITY_CHECK
    
    To find and verify bug #50914 (TCP_CHECKSUM_ON_COPY when adding data to
    retransmission), enable checksum-on-copy for the unit tests.

-----------------------------------------------------------------------

Summary of changes:
 src/core/tcp_out.c       |  14 ++++++
 test/unit/lwipopts.h     |   4 ++
 test/unit/tcp/test_tcp.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 140 insertions(+)


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