On Tue, Nov 08, 2011 at 03:57:30PM -0800, Justin Pettit wrote:
> Signed-off-by: Justin Pettit <jpet...@nicira.com>

Does this really add the ability to modify ECN in IPv6:

> @@ -2,6 +2,8 @@ post-v1.3.0
>  ------------------------
>      - OpenFlow:
>         - Added ability to match on IPv6 flow label through NXM.
> +       - Added ability to match on ECN bits in IPv4 and IPv6 through NXM.
> +       - Added ability to modify ECN bits in IPv4 and IPv6.
>      - ovs-appctl:
>        - New "fdb/flush" command to flush bridge's MAC learning table.
>  

I think that you could just update MFF_IP_TOS -> MFF_IP_DSCP here
instead of deleting the comment:
> @@ -642,8 +654,7 @@ mf_are_prereqs_ok(const struct mf_field *mf, const struct 
> flow *flow)
>   * all.  For example, the MFF_VLAN_TCI field will never have a nonzero value
>   * without the VLAN_CFI bit being set, but we can't reject those values 
> because
>   * it is still legitimate to test just for those bits (see the documentation
> - * for NXM_OF_VLAN_TCI in nicira-ext.h).  On the other hand, there is never a
> - * reason to set the low bit of MFF_IP_TOS to 1, so we reject that. */
> + * for NXM_OF_VLAN_TCI in nicira-ext.h). */
>  bool
>  mf_is_value_valid(const struct mf_field *mf, const union mf_value *value)
>  {

I don't have other comments.
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