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nsh: rework NSH netlink keys and actions
This patch changes OVS_KEY_ATTR_NSH to nested attribute and adds three new NSH sub attribute keys: OVS_NSH_KEY_ATTR_BASE: for length-fixed NSH base header OVS_NSH_KEY_ATTR_MD1: for length-fixed MD type 1 context OVS_NSH_KEY_ATTR_MD2: for length-variable MD type 2 metadata Its intention is to align to NSH kernel implementation. NSH match fields, set and PUSH_NSH action all use the below nested attribute format: OVS_KEY_ATTR_NSH begin OVS_NSH_KEY_ATTR_BASE OVS_NSH_KEY_ATTR_MD1 OVS_KEY_ATTR_NSH end or OVS_KEY_ATTR_NSH begin OVS_NSH_KEY_ATTR_BASE OVS_NSH_KEY_ATTR_MD2 OVS_KEY_ATTR_NSH end In addition, NSH encap and decap actions are renamed as push_nsh and pop_nsh to meet action naming convention. Signed-off-by: Yi Yang <yi.y.yang@intel.com> Signed-off-by: Ben Pfaff <blp@ovn.org>
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@@ -5760,8 +5760,8 @@ dp_execute_cb(void *aux_, struct dp_packet_batch *packets_,
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case OVS_ACTION_ATTR_PUSH_ETH:
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case OVS_ACTION_ATTR_POP_ETH:
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case OVS_ACTION_ATTR_CLONE:
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case OVS_ACTION_ATTR_ENCAP_NSH:
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case OVS_ACTION_ATTR_DECAP_NSH:
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case OVS_ACTION_ATTR_PUSH_NSH:
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case OVS_ACTION_ATTR_POP_NSH:
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case __OVS_ACTION_ATTR_MAX:
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OVS_NOT_REACHED();
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}
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