Adds the ip4_lookup_fib and ip6_lookup_fib nodes in inbuilt nodes section of graph guide.
Signed-off-by: Ankur Dwivedi <adwiv...@marvell.com> --- doc/guides/prog_guide/graph_lib.rst | 32 ++++ .../img/graph_inbuilt_node_flow.svg | 150 +++++++++--------- 2 files changed, 108 insertions(+), 74 deletions(-) diff --git a/doc/guides/prog_guide/graph_lib.rst b/doc/guides/prog_guide/graph_lib.rst index dc6c8c0712..7b5c93f73f 100644 --- a/doc/guides/prog_guide/graph_lib.rst +++ b/doc/guides/prog_guide/graph_lib.rst @@ -458,6 +458,22 @@ On LPM lookup failure, objects are redirected to pkt_drop node. To achieve home run, node use ``rte_node_stream_move()`` as mentioned in above sections. +ip4_lookup_fib +~~~~~~~~~~~~~~ +This node is an intermediate node that does FIB lookup for the received +ipv4 packets and the result determines each packets next node. + +On successful FIB lookup, the result contains the ``next_node`` id and +``next-hop`` id with which the packet needs to be further processed. + +On FIB lookup failure, objects are redirected to pkt_drop node. +``rte_node_ip4_fib_route_add()`` is control path API to add ipv4 routes. +To achieve home run, node use ``rte_node_stream_move()`` as mentioned in above +sections. + +This node is used only when lookup mode is given as FIB in the application. +Otherwise, the ip4_lookup node is used by default which does LPM lookup. + ip4_rewrite ~~~~~~~~~~~ This node gets packets from ``ip4_lookup`` node with next-hop id for each @@ -487,6 +503,22 @@ On LPM lookup failure, objects are redirected to ``pkt_drop`` node. To achieve home run, node use ``rte_node_stream_move()`` as mentioned in above sections. +ip6_lookup_fib +~~~~~~~~~~~~~~ +This node is an intermediate node that does FIB lookup for the received +IPv6 packets and the result determines each packets next node. + +On successful FIB lookup, the result contains the ``next_node`` ID +and `next-hop`` ID with which the packet needs to be further processed. + +On FIB lookup failure, objects are redirected to ``pkt_drop`` node. +``rte_node_ip6_fib_route_add()`` is control path API to add IPv6 routes. +To achieve home run, node use ``rte_node_stream_move()`` as mentioned in +above sections. + +This node is used only when lookup mode is given as FIB in the application. +Otherwise, the ip6_lookup node is used by default which does LPM lookup. + ip6_rewrite ~~~~~~~~~~~ This node gets packets from ``ip6_lookup`` node with next-hop ID diff --git a/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg b/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg index 7c451371a7..f654d581e0 100644 --- a/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg +++ b/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg @@ -1,7 +1,7 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd";> -<!-- Generated by graphviz version 8.0.5 (0) +<!-- Generated by graphviz version 2.43.0 (0) --> <!-- SPDX-License-Identifier: BSD-3-Clause --> <!-- Copyright(C) 2023 Marvell International Ltd. --> @@ -20,6 +20,8 @@ digraph dpdk_inbuilt_nodes_flow { pkt_drop [color="cyan"] kernel_tx [color="blue"] pkt_cls [color="red"] + ip4_lookup [label="ip4_lookup / ip4_lookup_fib"] + ip6_lookup [label="ip6_lookup / ip6_lookup_fib"] ethdev_rx -> pkt_cls kernel_rx -> pkt_cls @@ -48,58 +50,58 @@ digraph dpdk_inbuilt_nodes_flow { --> <!-- input nodes --> <!-- Title: dpdk_inbuilt_nodes_flow Pages: 1 --> -<svg width="631pt" height="437pt" - viewBox="0.00 0.00 630.95 437.00" xmlns="http://www.w3.org/2000/svg"; xmlns:xlink="http://www.w3.org/1999/xlink";> +<svg width="777pt" height="437pt" + viewBox="0.00 0.00 776.95 437.00" xmlns="http://www.w3.org/2000/svg"; xmlns:xlink="http://www.w3.org/1999/xlink";> <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 433)"> <title>dpdk_inbuilt_nodes_flow</title> -<polygon fill="white" stroke="transparent" points="-4,4 -4,-433 626.95,-433 626.95,4 -4,4"/> +<polygon fill="white" stroke="transparent" points="-4,4 -4,-433 772.95,-433 772.95,4 -4,4"/> <!-- ethdev_rx --> <g id="node1" class="node"> <title>ethdev_rx</title> -<ellipse fill="none" stroke="green" cx="261.95" cy="-411" rx="56.59" ry="18"/> -<text text-anchor="middle" x="261.95" y="-407.3" font-family="Times,serif" font-size="14.00">ethdev_rx</text> +<ellipse fill="none" stroke="green" cx="317.95" cy="-411" rx="56.59" ry="18"/> +<text text-anchor="middle" x="317.95" y="-407.3" font-family="Times,serif" font-size="14.00">ethdev_rx</text> </g> <!-- pkt_cls --> <g id="node6" class="node"> <title>pkt_cls</title> -<ellipse fill="none" stroke="red" cx="261.95" cy="-338" rx="42.79" ry="18"/> -<text text-anchor="middle" x="261.95" y="-334.3" font-family="Times,serif" font-size="14.00">pkt_cls</text> +<ellipse fill="none" stroke="red" cx="317.95" cy="-338" rx="42.79" ry="18"/> +<text text-anchor="middle" x="317.95" y="-334.3" font-family="Times,serif" font-size="14.00">pkt_cls</text> </g> <!-- ethdev_rx->pkt_cls --> <g id="edge1" class="edge"> <title>ethdev_rx->pkt_cls</title> -<path fill="none" stroke="black" d="M261.95,-392.81C261.95,-384.79 261.95,-375.05 261.95,-366.07"/> -<polygon fill="black" stroke="black" points="265.45,-366.03 261.95,-356.03 258.45,-366.03 265.45,-366.03"/> +<path fill="none" stroke="black" d="M317.95,-392.81C317.95,-384.79 317.95,-375.05 317.95,-366.07"/> +<polygon fill="black" stroke="black" points="321.45,-366.03 317.95,-356.03 314.45,-366.03 321.45,-366.03"/> </g> <!-- kernel_rx --> <g id="node2" class="node"> <title>kernel_rx</title> -<ellipse fill="none" stroke="green" cx="53.95" cy="-178" rx="53.89" ry="18"/> -<text text-anchor="middle" x="53.95" y="-174.3" font-family="Times,serif" font-size="14.00">kernel_rx</text> +<ellipse fill="none" stroke="green" cx="142.95" cy="-178" rx="53.89" ry="18"/> +<text text-anchor="middle" x="142.95" y="-174.3" font-family="Times,serif" font-size="14.00">kernel_rx</text> </g> <!-- kernel_rx->pkt_cls --> <g id="edge2" class="edge"> <title>kernel_rx->pkt_cls</title> -<path fill="none" stroke="black" d="M74.75,-194.8C112.31,-223.33 191.45,-283.45 233.8,-315.62"/> -<polygon fill="black" stroke="black" points="231.92,-318.59 242,-321.85 236.16,-313.01 231.92,-318.59"/> +<path fill="none" stroke="black" d="M144.85,-196.26C147.86,-216.03 155.42,-248.32 173.95,-269 199.67,-297.7 240.08,-315.31 271.55,-325.4"/> +<polygon fill="black" stroke="black" points="270.84,-328.84 281.43,-328.41 272.89,-322.14 270.84,-328.84"/> </g> <!-- ethdev_tx --> <g id="node3" class="node"> <title>ethdev_tx</title> -<ellipse fill="none" stroke="magenta" cx="347.95" cy="-91" rx="55.79" ry="18"/> -<text text-anchor="middle" x="347.95" y="-87.3" font-family="Times,serif" font-size="14.00">ethdev_tx</text> +<ellipse fill="none" stroke="magenta" cx="442.95" cy="-91" rx="55.79" ry="18"/> +<text text-anchor="middle" x="442.95" y="-87.3" font-family="Times,serif" font-size="14.00">ethdev_tx</text> </g> <!-- pkt_drop --> <g id="node4" class="node"> <title>pkt_drop</title> -<ellipse fill="none" stroke="cyan" cx="404.95" cy="-18" rx="51.99" ry="18"/> -<text text-anchor="middle" x="404.95" y="-14.3" font-family="Times,serif" font-size="14.00">pkt_drop</text> +<ellipse fill="none" stroke="cyan" cx="499.95" cy="-18" rx="51.99" ry="18"/> +<text text-anchor="middle" x="499.95" y="-14.3" font-family="Times,serif" font-size="14.00">pkt_drop</text> </g> <!-- ethdev_tx->pkt_drop --> <g id="edge14" class="edge"> <title>ethdev_tx->pkt_drop</title> -<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M361.45,-73.17C368.55,-64.33 377.39,-53.33 385.23,-43.55"/> -<polygon fill="cyan" stroke="cyan" points="388,-45.69 391.53,-35.71 382.54,-41.31 388,-45.69"/> +<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M456.45,-73.17C463.55,-64.33 472.39,-53.33 480.23,-43.55"/> +<polygon fill="cyan" stroke="cyan" points="483,-45.69 486.53,-35.71 477.54,-41.31 483,-45.69"/> </g> <!-- kernel_tx --> <g id="node5" class="node"> @@ -110,156 +112,156 @@ digraph dpdk_inbuilt_nodes_flow { <!-- kernel_tx->kernel_rx --> <g id="edge16" class="edge"> <title>kernel_tx->kernel_rx</title> -<path fill="none" stroke="red" stroke-dasharray="5,2" d="M53.95,-232.81C53.95,-224.79 53.95,-215.05 53.95,-206.07"/> -<polygon fill="red" stroke="red" points="57.45,-206.03 53.95,-196.03 50.45,-206.03 57.45,-206.03"/> +<path fill="none" stroke="red" stroke-dasharray="5,2" d="M73.7,-234.24C85.83,-224.57 101.55,-212.02 114.95,-201.33"/> +<polygon fill="red" stroke="red" points="117.31,-203.93 122.94,-194.96 112.94,-198.46 117.31,-203.93"/> </g> <!-- pkt_cls->pkt_drop --> <g id="edge15" class="edge"> <title>pkt_cls->pkt_drop</title> -<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M304.77,-335.88C400.4,-332.2 622.95,-316.71 622.95,-252 622.95,-252 622.95,-252 622.95,-90 622.95,-56.33 527.72,-36.15 463.14,-26.34"/> -<polygon fill="cyan" stroke="cyan" points="463.46,-22.85 453.06,-24.85 462.44,-29.77 463.46,-22.85"/> +<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M359.57,-333.53C471.21,-323.65 768.95,-293.43 768.95,-252 768.95,-252 768.95,-252 768.95,-90 768.95,-47.3 640.63,-29.71 561.24,-22.92"/> +<polygon fill="cyan" stroke="cyan" points="561.11,-19.4 550.86,-22.07 560.54,-26.37 561.11,-19.4"/> </g> <!-- pkt_cls->kernel_tx --> <g id="edge5" class="edge"> <title>pkt_cls->kernel_tx</title> -<path fill="none" stroke="blue" d="M219.14,-335.96C164.86,-333.64 75.77,-326.15 54.95,-302 49.6,-295.81 48.06,-287.4 48.24,-279.24"/> -<polygon fill="blue" stroke="blue" points="51.73,-279.54 49.23,-269.24 44.76,-278.84 51.73,-279.54"/> -<text text-anchor="middle" x="107.45" y="-290.8" font-family="Times,serif" font-size="14.00">exception pkts</text> +<path fill="none" stroke="blue" d="M275.65,-334.79C200.84,-330.45 51.54,-319.65 35.95,-302 29.84,-295.09 31.24,-285.97 35.22,-277.4"/> +<polygon fill="blue" stroke="blue" points="38.4,-278.88 40.31,-268.46 32.32,-275.42 38.4,-278.88"/> +<text text-anchor="middle" x="88.45" y="-290.8" font-family="Times,serif" font-size="14.00">exception pkts</text> </g> <!-- ip4_lookup --> <g id="node7" class="node"> <title>ip4_lookup</title> -<ellipse fill="none" stroke="black" cx="261.95" cy="-251" rx="60.39" ry="18"/> -<text text-anchor="middle" x="261.95" y="-247.3" font-family="Times,serif" font-size="14.00">ip4_lookup</text> +<ellipse fill="none" stroke="black" cx="317.95" cy="-251" rx="135.38" ry="18"/> +<text text-anchor="middle" x="317.95" y="-247.3" font-family="Times,serif" font-size="14.00">ip4_lookup / ip4_lookup_fib</text> </g> <!-- pkt_cls->ip4_lookup --> <g id="edge3" class="edge"> <title>pkt_cls->ip4_lookup</title> -<path fill="none" stroke="black" d="M261.95,-319.8C261.95,-308.16 261.95,-292.55 261.95,-279.24"/> -<polygon fill="black" stroke="black" points="265.45,-279.18 261.95,-269.18 258.45,-279.18 265.45,-279.18"/> -<text text-anchor="middle" x="277.45" y="-290.8" font-family="Times,serif" font-size="14.00">ipv4</text> +<path fill="none" stroke="black" d="M317.95,-319.8C317.95,-308.16 317.95,-292.55 317.95,-279.24"/> +<polygon fill="black" stroke="black" points="321.45,-279.18 317.95,-269.18 314.45,-279.18 321.45,-279.18"/> +<text text-anchor="middle" x="333.45" y="-290.8" font-family="Times,serif" font-size="14.00">ipv4</text> </g> <!-- ip6_lookup --> <g id="node8" class="node"> <title>ip6_lookup</title> -<ellipse fill="none" stroke="black" cx="492.95" cy="-251" rx="60.39" ry="18"/> -<text text-anchor="middle" x="492.95" y="-247.3" font-family="Times,serif" font-size="14.00">ip6_lookup</text> +<ellipse fill="none" stroke="black" cx="605.95" cy="-251" rx="135.38" ry="18"/> +<text text-anchor="middle" x="605.95" y="-247.3" font-family="Times,serif" font-size="14.00">ip6_lookup / ip6_lookup_fib</text> </g> <!-- pkt_cls->ip6_lookup --> <g id="edge4" class="edge"> <title>pkt_cls->ip6_lookup</title> -<path fill="none" stroke="black" d="M293.1,-325.54C332.57,-311.01 400.93,-285.86 446.54,-269.07"/> -<polygon fill="black" stroke="black" points="448.02,-272.26 456.2,-265.52 445.61,-265.69 448.02,-272.26"/> -<text text-anchor="middle" x="407.45" y="-290.8" font-family="Times,serif" font-size="14.00">ipv6</text> +<path fill="none" stroke="black" d="M352.11,-326.92C399.09,-313.05 484.45,-287.86 543.12,-270.54"/> +<polygon fill="black" stroke="black" points="544.42,-273.81 553.02,-267.62 542.44,-267.09 544.42,-273.81"/> +<text text-anchor="middle" x="495.45" y="-290.8" font-family="Times,serif" font-size="14.00">ipv6</text> </g> <!-- ip4_lookup->pkt_drop --> <g id="edge7" class="edge"> <title>ip4_lookup->pkt_drop</title> -<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M258.85,-232.91C253.68,-198.83 247.1,-121.54 282.95,-73 299.1,-51.12 326.1,-37.95 350.6,-30.11"/> -<polygon fill="cyan" stroke="cyan" points="351.6,-33.46 360.19,-27.26 349.61,-26.75 351.6,-33.46"/> +<path fill="none" stroke="cyan" stroke-dasharray="5,2" d="M322.89,-232.88C335.16,-190.88 366.75,-85.24 377.95,-73 396.35,-52.86 423.64,-39.83 447.75,-31.62"/> +<polygon fill="cyan" stroke="cyan" points="449.04,-34.88 457.5,-28.49 446.91,-28.21 449.04,-34.88"/> </g> <!-- ip4_rewrite --> <g id="node9" class="node"> <title>ip4_rewrite</title> -<ellipse fill="none" stroke="black" cx="347.95" cy="-178" rx="63.89" ry="18"/> -<text text-anchor="middle" x="347.95" y="-174.3" font-family="Times,serif" font-size="14.00">ip4_rewrite</text> +<ellipse fill="none" stroke="black" cx="442.95" cy="-178" rx="63.89" ry="18"/> +<text text-anchor="middle" x="442.95" y="-174.3" font-family="Times,serif" font-size="14.00">ip4_rewrite</text> </g> <!-- ip4_lookup->ip4_rewrite --> <g id="edge6" class="edge"> <title>ip4_lookup->ip4_rewrite</title> -<path fill="none" stroke="black" d="M281.46,-233.89C292.92,-224.42 307.6,-212.31 320.25,-201.87"/> -<polygon fill="black" stroke="black" points="322.73,-204.36 328.21,-195.29 318.27,-198.96 322.73,-204.36"/> +<path fill="none" stroke="black" d="M347.25,-233.35C365.11,-223.21 388.07,-210.17 407.02,-199.41"/> +<polygon fill="black" stroke="black" points="408.99,-202.31 415.96,-194.33 405.53,-196.23 408.99,-202.31"/> </g> <!-- ip4_local --> <g id="node11" class="node"> <title>ip4_local</title> -<ellipse fill="none" stroke="black" cx="176.95" cy="-178" rx="51.19" ry="18"/> -<text text-anchor="middle" x="176.95" y="-174.3" font-family="Times,serif" font-size="14.00">ip4_local</text> +<ellipse 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