buglwIP - A Lightweight TCP/IP stack - Bugs: bug #38315, tcp_eff_send_mss_impl() always...

 
 

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bug #38315: tcp_eff_send_mss_impl() always subtract the difference in IPv6 header size

Submitter:  Valery Ushakov <uwe>
Submitted:  Tue 12 Feb 2013 02:57:23 PM UTC
   
 
Category:  TCP Severity:  3 - Normal
Item Group:  Change Request Status:  Fixed
Privacy:  Public Assigned to:  goldsimon
Open/Closed:  Closed Planned Release:  None
lwIP version:  git head

Sun 18 Jan 2015 01:08:59 PM UTC, comment #1: 

Fixed, thanks for reporting

Simon Goldschmidt <goldsimon>
Group administrator
Tue 12 Feb 2013 02:57:23 PM UTC, original submission:  

tcp_eff_send_mss_impl() checks for #if LWIP_IPV6 and then unconditionally subtracts (IP6_HLEN - IP_HLEN) from mss_s.  It should do that only when "isipv6" is set, so that IPv4 connections are not penalized with smaller MSS just because lwIP is configured to support IPv6.

Valery Ushakov <uwe>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-01-18 goldsimon StatusNone Fixed
        Assigned toNone goldsimon
        Open/ClosedOpen Closed

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