3e77031be8
Example for MPLSoGRE tunnel: ETH / IPV4 / GRE / MPLS / IP / L4..L7 In order to encapsulate such a tunnel there is a need to remove L2 of the inner packet and encap the remaining tunnel, this is done by applying 2 rte flow commands l2_decap followed by mplsogre_encap. Both commands must appear in the same flow, and from the point of the packet it both actions are applied at the same time. (There is no part where a packet doesn't have L2 header). Decapsulating such a tunnel works the other way, first we need to decap the outer tunnel header and then apply the new L2. So the commands will be mplsogre_decap / l2_encap Due to the complex encapsulation of MPLSoGRE flow action and based on the fact testpmd does not allocate memory, this patch adds a new command in testpmd to initialise a global structure containing the necessary information to make the outer layer of the packet. This same global structures will then be used by the flow commands in testpmd when the action mplsogre_encap, mplsogre_decap, will be parsed, at this point, the conversion into such action becomes trivial. Signed-off-by: Ori Kam <orika@mellanox.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com> |
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