• Ben Pfaff's avatar
    openvswitch: Allow OVS_USERSPACE_ATTR_USERDATA to be variable length. · 4490108b
    Ben Pfaff authored
    Until now, the optional OVS_USERSPACE_ATTR_USERDATA attribute had to be
    exactly 64 bits long, if it was present.  However, 64 bits is not enough
    space to associate as much information with a flow as would be convenient
    for some userspace features now under development.  This commit generalizes
    the attribute, allowing it to be any length.
    
    This generalization is backward-compatible: if userspace only uses 64-bit
    attributes, then it will not see any change in behavior.
    
    CC: Romain Lenglet <rlenglet@vmware.com>
    Signed-off-by: default avatarBen Pfaff <blp@nicira.com>
    Signed-off-by: default avatarJesse Gross <jesse@nicira.com>
    4490108b
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