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From: Andre Oppermann <andre@FreeBSD.org>
Date: Wed, 6 Sep 2006 21:51:59 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/net if.h src/sys/netinet ip_output.c
 tcp_input.c tcp_subr.c tcp_var.h src/sys/netinet6 icmp6.c
 src/sys/sys mbuf.h
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andre       2006-09-06 21:51:59 UTC

  FreeBSD src repository

  Modified files:
    sys/net              if.h 
    sys/netinet          ip_output.c tcp_input.c tcp_subr.c 
                         tcp_var.h 
    sys/netinet6         icmp6.c 
    sys/sys              mbuf.h 
  Log:
  First step of TSO (TCP segmentation offload) support in our network stack.
  
   o add IFCAP_TSO[46] for drivers to announce this capability for IPv4 and IPv6
   o add CSUM_TSO flag to mbuf pkthdr csum_flags field
   o add tso_segsz field to mbuf pkthdr
   o enhance ip_output() packet length check to allow for large TSO packets
   o extend tcp_maxmtu[46]() with a flag pointer to pass interface capabilities
   o adjust all callers of tcp_maxmtu[46]() accordingly
  
  Discussed on:   -current, -net
  Sponsored by:   TCP/IP Optimization Fundraise 2005
  
  Revision  Changes    Path
  1.105     +3 -0      src/sys/net/if.h
  1.261     +17 -6     src/sys/netinet/ip_output.c
  1.305     +9 -4      src/sys/netinet/tcp_input.c
  1.260     +19 -5     src/sys/netinet/tcp_subr.c
  1.135     +3 -2      src/sys/netinet/tcp_var.h
  1.72      +1 -1      src/sys/netinet6/icmp6.c
  1.194     +2 -0      src/sys/sys/mbuf.h