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NVIDIA DPDK Documentation MLNX_DPDK_22.11_2310.5.1 LTS

Mirror Extension to Port Representor

Mirror extension to port representor allows FDB domain mirror destination to be a NIC Rx domain. When creating a mirror action, the destination of the mirror target should be specified with action type RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR.

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set sample_actions 1 port_representor port_id 0xffff / end flow indirect_action 0 create transfer list actions sample ratio 1 index 0 / jump group [n] / end ... # Use this indirect action list in the rule creation.

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struct rte_flow_indir_action_conf indir_conf = { .transfer = 1, }; struct rte_flow_action sample_actions[6] = {0}; struct rte_flow_action_sample sample[2] = {0}; struct rte_flow_action_ethdev port = {0}; struct rte_flow_action_jump jump = {0}; struct rte_flow_action actions[4] = {0};   /* Set mirror target action, only UINT16_MAX for E-Switch manager is supported */ port.port_id = UINT16_MAX; sample_actions[0].conf = &port; sample_actions[0].type = RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR; sample_actions[1].type = RTE_FLOW_ACTION_TYPE_END; sample[0].ratio = 1; sample[0].actions = sample_actions; actions[0].type = RTE_FLOW_ACTION_TYPE_SAMPLE; actions[0].conf = sample;   /* Set original destination */ jump.group_id = n; actions[1].conf = &jump; actions[1].type = RTE_FLOW_ACTION_TYPE_JUMP; actions[2].type = RTE_FLOW_ACTION_TYPE_END;   handle = rte_flow_action_list_handle_create(port_id, &indir_conf, actions, &flow_error);

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