cvs commit: src/sys/conf files options src/sys/net radix.c radix.h route.c route.h rtsock.c src/sys/netinet in_proto.c ip_output.c src/sys/netinet6 in6_proto.c in6_src.c nd6_nbr.c

Qing Li qingli at
Sun Apr 13 05:45:15 UTC 2008

qingli      2008-04-13 05:45:14 UTC

  FreeBSD src repository

  Modified files:
    sys/conf             files options 
    sys/net              radix.c radix.h route.c route.h rtsock.c 
    sys/netinet          in_proto.c ip_output.c 
    sys/netinet6         in6_proto.c in6_src.c nd6_nbr.c 
  This patch provides the back end support for equal-cost multi-path
  (ECMP) for both IPv4 and IPv6. Previously, multipath route insertion
  is disallowed. For example,
          route add -net
          route add -net
  The second route insertion will trigger an error message of
  "add net gateway route already in table"
  Multiple default routes can also be inserted. Here is the netstat
  default        UGS     0       3074    bge0 =>
  default        UGS     0       0       bge0
  When multipath routes exist, the "route delete" command requires
  a specific gateway to be specified or else an error message would
  be displayed. For example,
          route delete default
  would fail and trigger the following error message:
  "route: writing to routing socket: No such process"
  "delete net default: not in table"
  On the other hand,
          route delete default
  would be successful: "delete net default: gateway"
  One does not have to specify a gateway if there is only a single
  route for a particular destination.
  I need to perform more testings on address aliases and multiple
  interfaces that have the same IP prefixes. This patch as it
  stands today is not yet ready for prime time. Therefore, the ECMP
  code fragments are fully guarded by the RADIX_MPATH macro.
  Include the "options  RADIX_MPATH" in the kernel configuration
  to enable this feature.
  Reviewed by:    robert, sam, gnn, julian, kmacy
  Revision  Changes    Path
  1.1289    +1 -0      src/sys/conf/files
  1.625     +1 -0      src/sys/conf/options
  1.39      +22 -0     src/sys/net/radix.c
  1.27      +1 -0      src/sys/net/radix.h
  1.127     +121 -1    src/sys/net/route.c
  1.69      +3 -0      src/sys/net/route.h
  1.145     +20 -0     src/sys/net/rtsock.c
  1.88      +8 -0      src/sys/netinet/in_proto.c
  1.280     +9 -0      src/sys/netinet/ip_output.c
  1.49      +8 -0      src/sys/netinet6/in6_proto.c
  1.50      +9 -0      src/sys/netinet6/in6_src.c
  1.50      +14 -0     src/sys/netinet6/nd6_nbr.c

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