Hi Jasvinder,
-----Original Message----- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Jasvinder Singh Sent: Wednesday, October 11, 2017 3:18 AM To: dev@dpdk.org Cc: Dumitrescu, Cristian <cristian.dumitre...@intel.com>; Yigit, Ferruh <ferruh.yi...@intel.com>; Mcnamara, John <john.mcnam...@intel.com> Subject: [dpdk-dev] [PATCH] doc: add description of traffic management functions in testpmd Add description of the traffic management functions in the testpmd. Signed-off-by: Jasvinder Singh <jasvinder.si...@intel.com> --- doc/guides/testpmd_app_ug/run_app.rst | 1 + doc/guides/testpmd_app_ug/testpmd_funcs.rst | 262 ++++++++++++++++++++++++++++ 2 files changed, 263 insertions(+) diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst index a60891a..4c0d2ce 100644 --- a/doc/guides/testpmd_app_ug/run_app.rst +++ b/doc/guides/testpmd_app_ug/run_app.rst @@ -362,6 +362,7 @@ The commandline options are: csum icmpecho ieee1588 + tm * ``--rss-ip`` diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index eb3cc66..7f37f91 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -347,6 +347,13 @@ The available information categories are: * ``ieee1588``: Demonstrate L2 IEEE1588 V2 PTP timestamping for RX and TX. Requires ``CONFIG_RTE_LIBRTE_IEEE1588=y``. +* ``tm``: Traffic Management forwarding mode + Demonstrates the use of ethdev traffic management APIs and softnic +PMD for + QoS traffic management. In this mode, 5-level hierarchical QoS +scheduler is + available as an default option that can be enabled through CLI. The +user can + also modify the default hierarchy or specify the new hierarchy +through CLI for + implementing QoS scheduler. Requires ``CONFIG_RTE_LIBRTE_PMD_SOFTNIC=y`` ``CONFIG_RTE_LIBRTE_SCHED=y``. + Note: TX timestamping is only available in the "Full Featured" TX path. To force ``testpmd`` into this mode set ``--txqflags=0``. Example:: @@ -2008,6 +2015,261 @@ For example, to set the high bit in the register from the example above:: port 0 PCI register at offset 0xEE00: 0x8000000A (2147483658) +Traffic Management +------------------ + +The following section shows functions for configuring traffic +management on on the ethernet device through the use of generic TM API. + +show port traffic management capability +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Show traffic management capability of the port:: + + testpmd> show port tm cap (port_id) + +show port traffic management capability (hierarchy level) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Show traffic management hierarchy level capability of the port:: + + testpmd> show port tm cap (port_id) (level_id) + +show port traffic management capability (hierarchy node level) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Show the traffic management hierarchy node capability of the port:: + + testpmd> show port tm cap (port_id) (node_id) + +show port traffic management hierarchy node type +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Show the port traffic management hierarchy node type:: + + testpmd> show port tm node type (port_id) (node_id) + +show port traffic management hierarchy node stats +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Show the port traffic management hierarchy node statistics:: + + testpmd> show port tm node stats (port_id) (node_id) (clear) + +where: + +* ``clear``: When this parameter has a non-zero value, the statistics +counters + are cleared (i.e. set to zero) immediately after they have been read, + otherwise the statistics counters are left untouched. + +Add port traffic management private shaper profile +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Add the port traffic management private shaper profile:: + + testpmd> add port tm node shaper profile (port_id) (shaper_profile_id) \ + (tb_rate) (tb_size) (packet_length_adjust) + +where: + +* ``shaper_profile id``: Shaper profile ID for the new profile. +* ``tb_rate``: Token bucket rate (bytes per second). +* ``tb_size``: Token bucket size (bytes). +* ``packet_length_adjust``: The value (bytes) to be added to the length +of + each packet for the purpose of shaping. This parameter value can be +used to + correct the packet length with the framing overhead bytes that are +consumed + on the wire. + +Delete port traffic management private shaper profile +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Delete the port traffic management private shaper:: + + testpmd> del port tm node shaper profile (port_id) + (shaper_profile_id) + +where: + +* ``shaper_profile id``: Shaper profile ID that needs to be deleted. + +Add port traffic management shared shaper +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Create the port traffic management shared shaper:: + + testpmd> add port tm node shared shaper (port_id) (shared_shaper_id) \ + (shaper_profile_id) + +where: + +* ``shared_shaper_id``: Shared shaper ID to be created. +* ``shaper_profile id``: Shaper profile ID for shared shaper. + +Set port traffic management shared shaper +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Update the port traffic management shared shaper:: + + testpmd> set port tm node shared shaper (port_id) (shared_shaper_id) \ + (shaper_profile_id) + +where: + +* ``shared_shaper_id``: Shared shaper ID to be update. +* ``shaper_profile id``: Shaper profile ID for shared shaper. + +Delete port traffic management shared shaper +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Delete the port traffic management shared shaper:: + + testpmd> del port tm node shared shaper (port_id) (shared_shaper_id) + +where: + +* ``shared_shaper_id``: Shared shaper ID to be deleted. + +Set port traffic management hiearchy node private shaper +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +set the port traffic management hierarchy node private shaper:: + + testpmd> set port tm node shaper profile (port_id) (node_id) \ + (shaper_profile_id) + +where: + +* ``shaper_profile id``: Private shaper profile ID to be enabled on the + hierarchy node. + +Add port traffic management WRED profile +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Create a new WRED profile:: + + testpmd> add port tm node wred profile (port_id) (wred_profile_id) \ + (color_g) (min_th_g) (max_th_g) (maxp_inv_g) (wq_log2_g) \ + (color_y) (min_th_y) (max_th_y) (maxp_inv_y) (wq_log2_y) \ + (color_r) (min_th_r) (max_th_r) (maxp_inv_r) (wq_log2_r) + +where: + +* ``wred_profile id``: Identifier for the newly create WRED profile +* ``color_g``: Packet color (green) +* ``min_th_g``: Minimum queue threshold for packet with green color +* ``max_th_g``: Minimum queue threshold for packet with green color +* ``maxp_inv_g``: Inverse of packet marking probability maximum value +(maxp) +* ``wq_log2_g``: Negated log2 of queue weight (wq) +* ``color_y``: Packet color (yellow) +* ``min_th_y``: Minimum queue threshold for packet with yellow color +* ``max_th_y``: Minimum queue threshold for packet with yellow color +* ``maxp_inv_y``: Inverse of packet marking probability maximum value +(maxp) +* ``wq_log2_y``: Negated log2 of queue weight (wq) +* ``color_r``: Packet color (red) +* ``min_th_r``: Minimum queue threshold for packet with yellow color +* ``max_th_r``: Minimum queue threshold for packet with yellow color +* ``maxp_inv_r``: Inverse of packet marking probability maximum value +(maxp) +* ``wq_log2_r``: Negated log2 of queue weight (wq) + +Delete port traffic management WRED profile +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Delete the WRED profile:: + + testpmd> del port tm node wred profile (port_id) (wred_profile_id) + +Add port traffic management hierarchy nonleaf node +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Add nonleaf node to port traffic management hiearchy:: + + testpmd> add port tm nonleaf node (port_id) (node_id) (parent_node_id) \ + (priority) (weight) (level_id) (shaper_profile_id) \ + (shared_shaper_id) (n_shared_shapers) (n_sp_priorities) (stats_mask) + \ + +where: + +* ``parent_node_id``: Node ID of the parent. +* ``priority``: Node priority (highest node priority is zero). This is +used by + the SP algorithm running on the parent node for scheduling this node. +* ``weight``: Node weight (lowest weight is one). The node weight is +relative + to the weight sum of all siblings that have the same priority. It is +used by + the WFQ algorithm running on the parent node for scheduling this node. +* ``level_id``: Hiearchy level of the node. +* ``shaper_profile_id``: Shaper profile ID of the private shaper to be +used by + the node. +* ``shared_shaper_id``: Shared shaper id. +* ``n_shared_shapers``: Number of shared shapers. +* ``n_sp_priorities``: Number of strict priorities. +* ``stats_mask``: Mask of statistics counter types to be enabled for this node. + +Add port traffic management hierarchy leaf node +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Add leaf node to port traffic management hiearchy:: + + testpmd> add port tm leaf node (port_id) (node_id) (parent_node_id) \ + (priority) (weight) (level_id) (shaper_profile_id) \ + (shared_shaper_id) (n_shared_shapers) (n_sp_priorities) (cman_mode) \ + (wred_profile_id) (stats_mask) \ + +where: + +* ``parent_node_id``: Node ID of the parent. +* ``priority``: Node priority (highest node priority is zero). This is +used by + the SP algorithm running on the parent node for scheduling this node. +* ``weight``: Node weight (lowest weight is one). The node weight is +relative + to the weight sum of all siblings that have the same priority. It is +used by + the WFQ algorithm running on the parent node for scheduling this node. +* ``level_id``: Hiearchy level of the node. +* ``shaper_profile_id``: Shaper profile ID of the private shaper to be +used by + the node. +* ``shared_shaper_id``: Shared shaper id. +* ``n_shared_shapers``: Number of shared shapers. +* ``n_sp_priorities``: Number of strict priorities. For leaf node , it should not have "n_sp_priorities" parameter. Best Regards Yulong Pei +* ``cman_mode``: Congestion management mode to be enabled for this node. +* ``wred_profile_id``: WRED profile id to be enabled for this node. +* ``stats_mask``: Mask of statistics counter types to be enabled for this node. + +Delete port traffic management hierarchy node +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Delete node from port traffic management hiearchy:: + + testpmd> del port tm node (port_id) (node_id) + +Update port traffic management hierarchy parent node +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Update port traffic management hierarchy parent node:: + + testpmd> set port tm node parent (port_id) (node_id) (parent_node_id) \ + (priority) (weight) + +This function can only be called after the hierarchy commit invocation. +Its success depends on the port support for this operation, as +advertised through the port capability set. This function is valid for +all nodes of the traffic management hierarchy except root node. + +Commit port traffic management hierarchy +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Commit the traffic management hierarchy on the port:: + + testpmd> port tm hierarchy commit (port_id) (clean_on_fail) + +where: + +* ``clean_on_fail``: When set to non-zero, hierarchy is cleared on +function + call failure. On the other hand, hierarchy is preserved when this +parameter + is equal to zero. + +Set port traffic management default hierarchy (tm forwarding mode) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +set the traffic management default hierarchy on the port:: + + testpmd> set port tm hierarchy default (port_id) + Filter Functions ---------------- -- 2.9.3
