/** \brief /** \brief Set or delete an NSH header entry keyed by NSP/NSI @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param is_add - add address if non-zero, else delete @param nsp_nsi - Key for nsh_header_t entry to map to. : 24bit NSP 8bit NSI @param md_type - metadata type [1|2] - only MDType1 supported today @param ver_o_c - version, O-bit and C-bit (see nsh_packet.h) @param ttl - indicates the maximum SFF hops for an SFP @param length - header length in n x 32bits, should be 6 for MDtype1 @param next_protocol - next protocol encapsulated behind NSH header: 1=Ethernet, 2=IP4, 3=IP6 @param c1 - 32bit Metadata type1 field (context1) @param c2 - 32bit Metadata type1 field (context2) @param c3 - 32bit Metadata type1 field (context3) @param c4 - 32bit Metadata type1 field (context4) @param tlvs - Metadata Type 2 only, Type Length Value metadata. */ define nsh_add_del_entry { u32 client_index; u32 context; u8 is_add; u32 nsp_nsi; u8 md_type; u8 ver_o_c; u8 ttl; u8 length; u8 next_protocol; u32 c1; u32 c2; u32 c3; u32 c4; u8 tlv_length; u8 tlv[248]; }; /** \brief Reply from adding NSH entry (nsh_add_del_entry) @param context - sender context, to match reply w/ request @param retval - 0 means all ok */ define nsh_add_del_entry_reply { u32 context; i32 retval; u32 entry_index; }; define nsh_entry_dump { u32 client_index; u32 context; u32 entry_index; }; define nsh_entry_details { u32 context; u32 entry_index; u32 nsp_nsi; u8 md_type; u8 ver_o_c; u8 ttl; u8 length; u8 next_protocol; u32 c1; u32 c2; u32 c3; u32 c4; u8 tlv_length; u8 tlv[248]; }; /** \brief Set or delete a mapping from one NSH header to another and its egress (decap to inner packet, encap NSH with outer header) @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param is_add - add address if non-zero, else delete @param nsh_nsi - Key for nsh_header_t entry to map to. : 24bit NSP 8bit NSI @param mapped_nsp_nsi - Key for nsh_header_t entry to map to. : 24bit NSP 8bit NSI this may be ~0 if next action is to decap to NSH next protocol Note the following heuristic: - if nsp_nsi == mapped_nsp_nsi then use-case is like SFC SFF - if nsp_nsi != mapped_nsp_nsi then use-case is like SFC SF Note: these are heuristics. Rules about NSI decrement are out of scope @param sw_if_index - index number of outer encap for NSH egress @param next_node - explicitly which node to send to Note the above parameters are instantiated by "encap-gre-intf <x>" means sw_if_index x, next_node gre-input */ define nsh_add_del_map { u32 client_index; u32 context; u8 is_add; u32 nsp_nsi; u32 mapped_nsp_nsi; u32 nsh_action; u32 sw_if_index; u32 rx_sw_if_index; u32 next_node; }; /** \brief Reply from adding NSH map (nsh_add_del_map) @param context - sender context, to match reply w/ request @param retval - 0 means all ok */ define nsh_add_del_map_reply { u32 context; i32 retval; u32 map_index; }; define nsh_map_dump { u32 client_index; u32 context; u32 map_index; }; define nsh_map_details { u32 context; u32 map_index; u32 nsp_nsi; u32 mapped_nsp_nsi; u32 nsh_action; u32 sw_if_index; u32 rx_sw_if_index; u32 next_node; };