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b5ae8913b2
This code, which leverages the existing NXM implementation, adds parsing and serialisation of OXM matches. Test cases have also been provided. This patch only implements parsing and serialisation of OXM fields that are already handled by NXM. It should be noted that in OXM ports are 32bit whereas in NXM they are 16 bit. This has been handled as a special case as all other field widths are the same in both OXM and NXM. This patch does not address differences in wildcarding between OXM and NXM. It is planned that liberal wildcarding policy dictated by either OXM or NXM will be implemented. This patch also does not address any (subtle?) differences between OXM and NXM treatment of specific fields. It is envisages that his can be handled by subsequent patches. Signed-off-by: Simon Horman <horms@verge.net.au> [blp@nicira.com adjusted style, added a comment, changed in_port special case, enabled NXM extensions to OXM] Signed-off-by: Ben Pfaff <blp@nicira.com>