Acked-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
On Fri, Sep 29, 2023 at 4:24 PM Nithin Dabilpuram <nithind1...@gmail.com> wrote:
>
> Series-acked-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
>
>
> On Fri, Sep 29, 2023 at 1:21 AM Rakesh Kudurumalla
> <rkuduruma...@marvell.com> wrote:
> >
> > Local or Host destined pkts can be redirected IPv4 local node
> > using IP4 Lookup node entries with prefix of 32 and be redirected
> > to this IP4 local node for further processing.
> >
> > Signed-off-by: Rakesh Kudurumalla <rkuduruma...@marvell.com>
> > ---
> > Depends-on: series-29670 ("remove MAX macro from all nodes")
> >
> > v6: Resolve dependency
> >
> > doc/guides/prog_guide/graph_lib.rst | 15 ++
> > .../img/graph_inbuilt_node_flow.svg | 138 ++++++++++--------
> > lib/node/ip4_local.c | 88 +++++++++++
> > lib/node/ip4_lookup.c | 1 +
> > lib/node/meson.build | 1 +
> > lib/node/rte_node_ip4_api.h | 12 ++
> > 6 files changed, 196 insertions(+), 59 deletions(-)
> > create mode 100644 lib/node/ip4_local.c
> >
> > diff --git a/doc/guides/prog_guide/graph_lib.rst
> > b/doc/guides/prog_guide/graph_lib.rst
> > index e7b6e12004..f2e04a68b9 100644
> > --- a/doc/guides/prog_guide/graph_lib.rst
> > +++ b/doc/guides/prog_guide/graph_lib.rst
> > @@ -498,3 +498,18 @@ Uses ``poll`` function to poll on the socket fd
> > for ``POLLIN`` events to read the packets from raw socket
> > to stream buffer and does ``rte_node_next_stream_move()``
> > when there are received packets.
> > +
> > +ip4_local
> > +~~~~~~~~~
> > +This node is an intermediate node that does ``packet_type`` lookup for
> > +the received ipv4 packets and the result determines each packets next node.
> > +
> > +On successful ``packet_type`` lookup, for any IPv4 protocol the result
> > +contains the ``next_node`` id and ``next-hop`` id with which the packet
> > +needs to be further processed.
> > +
> > +On packet_type lookup failure, objects are redirected to ``pkt_drop`` node.
> > +``rte_node_ip4_route_add()`` is control path API to add ipv4 address with
> > 32 bit
> > +depth to receive to packets.
> > +To achieve home run, node use ``rte_node_stream_move()`` as mentioned in
> > above
> > +sections.
> > 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 7eea94701f..b954f6fba1 100644
> > --- a/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg
> > +++ b/doc/guides/prog_guide/img/graph_inbuilt_node_flow.svg
> > @@ -37,174 +37,194 @@ digraph dpdk_inbuilt_nodes_flow {
> > ethdev_tx -> pkt_drop [color="cyan" style="dashed"]
> > pkt_cls->pkt_drop [color="cyan" style="dashed"]
> > kernel_tx -> kernel_rx [color="red" style="dashed"]
> > + ip4_lookup -> ip4_local
> > + ip4_local -> pkt_drop [color="cyan" style="dashed"]
> > }
> >
> > -->
> > <!-- input nodes -->
> > <!-- Title: dpdk_inbuilt_nodes_flow Pages: 1 -->
> > -<svg width="470pt" height="425pt"
> > - viewBox="0.00 0.00 470.23 424.50" 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
> > 420.5)">
> > +<svg width="525pt" height="458pt"
> > + viewBox="0.00 0.00 524.91 458.00" 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
> > 454)">
> > <title>dpdk_inbuilt_nodes_flow</title>
> > -<polygon fill="white" stroke="none" points="-4,4 -4,-420.5 466.23,-420.5
> > 466.23,4 -4,4"/>
> > +<polygon fill="white" stroke="transparent" points="-4,4 -4,-454
> > 520.91,-454 520.91,4 -4,4"/>
> > <!-- ethdev_rx -->
> > <g id="node1" class="node">
> > <title>ethdev_rx</title>
> > -<ellipse fill="none" stroke="green" cx="219.23" cy="-398.5" rx="47.77"
> > ry="18"/>
> > -<text text-anchor="middle" x="219.23" y="-393.45"
> > font-family="Times,serif" font-size="14.00">ethdev_rx</text>
> > +<ellipse fill="none" stroke="green" cx="120" cy="-432" rx="56.59" ry="18"/>
> > +<text text-anchor="middle" x="120" y="-428.3" 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="219.23" cy="-325.5" rx="37.53"
> > ry="18"/>
> > -<text text-anchor="middle" x="219.23" y="-320.45"
> > font-family="Times,serif" font-size="14.00">pkt_cls</text>
> > +<ellipse fill="none" stroke="red" cx="120" cy="-359" rx="42.79" ry="18"/>
> > +<text text-anchor="middle" x="120" y="-355.3" 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="M219.23,-380.31C219.23,-372.55
> > 219.23,-363.18 219.23,-354.45"/>
> > -<polygon fill="black" stroke="black" points="222.73,-354.53 219.23,-344.53
> > 215.73,-354.53 222.73,-354.53"/>
> > +<path fill="none" stroke="black" d="M120,-413.81C120,-405.79 120,-396.05
> > 120,-387.07"/>
> > +<polygon fill="black" stroke="black" points="123.5,-387.03 120,-377.03
> > 116.5,-387.03 123.5,-387.03"/>
> > </g>
> > <!-- kernel_rx -->
> > <g id="node2" class="node">
> > <title>kernel_rx</title>
> > -<ellipse fill="none" stroke="green" cx="46.23" cy="-164" rx="46.23"
> > ry="18"/>
> > -<text text-anchor="middle" x="46.23" y="-158.95" font-family="Times,serif"
> > font-size="14.00">kernel_rx</text>
> > +<ellipse fill="none" stroke="green" cx="82" cy="-199" rx="53.89" ry="18"/>
> > +<text text-anchor="middle" x="82" y="-195.3" 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="M41.45,-182.08C37.1,-201.37
> > 33.27,-232.96 47.23,-255 73.68,-296.74 130.21,-313.41 171.26,-320.07"/>
> > -<polygon fill="black" stroke="black" points="170.73,-323.68 181.13,-321.66
> > 171.74,-316.75 170.73,-323.68"/>
> > +<path fill="none" stroke="black" d="M70.87,-216.92C60.28,-235.27
> > 47.29,-265.24 57,-290 64.12,-308.16 78.62,-324.37 91.92,-336.4"/>
> > +<polygon fill="black" stroke="black" points="89.69,-339.1 99.54,-342.99
> > 94.26,-333.8 89.69,-339.1"/>
> > </g>
> > <!-- ethdev_tx -->
> > <g id="node3" class="node">
> > <title>ethdev_tx</title>
> > -<ellipse fill="none" stroke="magenta" cx="293.23" cy="-91" rx="47.26"
> > ry="18"/>
> > -<text text-anchor="middle" x="293.23" y="-85.95" font-family="Times,serif"
> > font-size="14.00">ethdev_tx</text>
> > +<ellipse fill="none" stroke="magenta" cx="338" cy="-91" rx="55.79"
> > ry="18"/>
> > +<text text-anchor="middle" x="338" 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="349.23" cy="-18" rx="44.19"
> > ry="18"/>
> > -<text text-anchor="middle" x="349.23" y="-12.95" font-family="Times,serif"
> > font-size="14.00">pkt_drop</text>
> > +<ellipse fill="none" stroke="cyan" cx="254" cy="-18" rx="51.99" ry="18"/>
> > +<text text-anchor="middle" x="254" 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="M306.22,-73.53C313.15,-64.75 321.81,-53.76 329.55,-43.96"/>
> > -<polygon fill="cyan" stroke="cyan" points="332.87,-46.4 336.32,-36.38
> > 327.37,-42.06 332.87,-46.4"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M318.94,-73.89C307.58,-64.29 293,-51.96 280.53,-41.42"/>
> > +<polygon fill="cyan" stroke="cyan" points="282.59,-38.58 272.7,-34.8
> > 278.07,-43.93 282.59,-38.58"/>
> > </g>
> > <!-- kernel_tx -->
> > <g id="node5" class="node">
> > <title>kernel_tx</title>
> > -<ellipse fill="none" stroke="blue" cx="102.23" cy="-237" rx="45.72"
> > ry="18"/>
> > -<text text-anchor="middle" x="102.23" y="-231.95"
> > font-family="Times,serif" font-size="14.00">kernel_tx</text>
> > +<ellipse fill="none" stroke="blue" cx="120" cy="-272" rx="53.89" ry="18"/>
> > +<text text-anchor="middle" x="120" y="-268.3" font-family="Times,serif"
> > font-size="14.00">kernel_tx</text>
> > </g>
> > <!-- 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="M89.25,-219.53C82.32,-210.75 73.65,-199.76 65.92,-189.96"/>
> > -<polygon fill="red" stroke="red" points="68.09,-188.06 59.15,-182.38
> > 62.6,-192.4 68.09,-188.06"/>
> > +<path fill="none" stroke="red" stroke-dasharray="5,2"
> > d="M110.99,-254.17C106.52,-245.81 101,-235.51 95.99,-226.14"/>
> > +<polygon fill="red" stroke="red" points="99.01,-224.36 91.2,-217.2
> > 92.84,-227.67 99.01,-224.36"/>
> > </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="M255.09,-319.38C322.68,-308.72 462.23,-281.44 462.23,-238 462.23,-238
> > 462.23,-238 462.23,-90 462.23,-57.84 429.01,-39.68 398.59,-29.8"/>
> > -<polygon fill="cyan" stroke="cyan" points="400.02,-26.27 389.44,-26.75
> > 398.01,-32.98 400.02,-26.27"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M84,-348.97C48.65,-337.7 0,-314.61 0,-273 0,-273 0,-273 0,-90 0,-49.99
> > 118.4,-31.52 193.52,-23.82"/>
> > +<polygon fill="cyan" stroke="cyan" points="194.21,-27.27 203.82,-22.81
> > 193.52,-20.31 194.21,-27.27"/>
> > </g>
> > <!-- pkt_cls->kernel_tx -->
> > <g id="edge5" class="edge">
> > <title>pkt_cls->kernel_tx</title>
> > -<path fill="none" stroke="blue" d="M186.99,-315.75C170.62,-310.16
> > 151.14,-301.64 136.48,-289.5 128.23,-282.66 121.2,-273.31 115.7,-264.46"/>
> > -<polygon fill="blue" stroke="blue" points="118.38,-263.1 110.34,-256.2
> > 112.32,-266.61 118.38,-263.1"/>
> > -<text text-anchor="middle" x="176.61" y="-276.2" font-family="Times,serif"
> > font-size="14.00">exception pkts</text>
> > +<path fill="none" stroke="blue" d="M120,-340.8C120,-329.16 120,-313.55
> > 120,-300.24"/>
> > +<polygon fill="blue" stroke="blue" points="123.5,-300.18 120,-290.18
> > 116.5,-300.18 123.5,-300.18"/>
> > +<text text-anchor="middle" x="172.5" y="-311.8" 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="219.23" cy="-237" rx="52.89"
> > ry="18"/>
> > -<text text-anchor="middle" x="219.23" y="-231.95"
> > font-family="Times,serif" font-size="14.00">ip4_lookup</text>
> > +<ellipse fill="none" stroke="black" cx="252" cy="-272" rx="60.39" ry="18"/>
> > +<text text-anchor="middle" x="252" y="-268.3" font-family="Times,serif"
> > font-size="14.00">ip4_lookup</text>
> > </g>
> > <!-- pkt_cls->ip4_lookup -->
> > <g id="edge3" class="edge">
> > <title>pkt_cls->ip4_lookup</title>
> > -<path fill="none" stroke="black" d="M219.23,-307.41C219.23,-295.64
> > 219.23,-279.73 219.23,-266.11"/>
> > -<polygon fill="black" stroke="black" points="222.73,-266.35 219.23,-256.35
> > 215.73,-266.35 222.73,-266.35"/>
> > -<text text-anchor="middle" x="231.23" y="-276.2" font-family="Times,serif"
> > font-size="14.00">ipv4</text>
> > +<path fill="none" stroke="black" d="M160.54,-352.79C182.64,-348.15
> > 209.23,-339.41 228,-323 235.09,-316.81 240.26,-308.05 243.95,-299.6"/>
> > +<polygon fill="black" stroke="black" points="247.32,-300.57 247.62,-289.98
> > 240.78,-298.07 247.32,-300.57"/>
> > +<text text-anchor="middle" x="254.5" y="-311.8" 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="343.23" cy="-237" rx="52.89"
> > ry="18"/>
> > -<text text-anchor="middle" x="343.23" y="-231.95"
> > font-family="Times,serif" font-size="14.00">ip6_lookup</text>
> > +<ellipse fill="none" stroke="black" cx="439" cy="-272" rx="60.39" ry="18"/>
> > +<text text-anchor="middle" x="439" y="-268.3" font-family="Times,serif"
> > font-size="14.00">ip6_lookup</text>
> > </g>
> > <!-- pkt_cls->ip6_lookup -->
> > <g id="edge4" class="edge">
> > <title>pkt_cls->ip6_lookup</title>
> > -<path fill="none" stroke="black" d="M239.99,-310.02C259.62,-296.33
> > 289.35,-275.59 311.88,-259.87"/>
> > -<polygon fill="black" stroke="black" points="313.53,-262.29 319.73,-253.7
> > 309.53,-256.55 313.53,-262.29"/>
> > -<text text-anchor="middle" x="304.23" y="-276.2" font-family="Times,serif"
> > font-size="14.00">ipv6</text>
> > +<path fill="none" stroke="black" d="M157.52,-350.25C188.82,-343.6
> > 234.51,-333.46 274,-323 313.2,-312.62 357.13,-299.22 389.79,-288.91"/>
> > +<polygon fill="black" stroke="black" points="391.08,-292.17 399.55,-285.81
> > 388.96,-285.5 391.08,-292.17"/>
> > +<text text-anchor="middle" x="339.5" y="-311.8" 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="M192.86,-221.12C179.2,-211.83 163.82,-198.49 156.23,-182 149.55,-167.46
> > 150.78,-161.04 156.23,-146 176.39,-90.45 198.32,-78.19 252.23,-54
> > 269.14,-46.41 288.24,-39.24 304.98,-33.38"/>
> > -<polygon fill="cyan" stroke="cyan" points="305.75,-36.48 314.07,-29.92
> > 303.47,-29.86 305.75,-36.48"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M239.17,-254.03C232.31,-243.87 224.56,-230.37 221,-217 204.89,-156.57
> > 227.58,-83.56 242.59,-45.31"/>
> > +<polygon fill="cyan" stroke="cyan" points="245.89,-46.5 246.4,-35.92
> > 239.4,-43.87 245.89,-46.5"/>
> > </g>
> > <!-- ip4_rewrite -->
> > <g id="node9" class="node">
> > <title>ip4_rewrite</title>
> > -<ellipse fill="none" stroke="black" cx="218.23" cy="-164" rx="53.4"
> > ry="18"/>
> > -<text text-anchor="middle" x="218.23" y="-158.95"
> > font-family="Times,serif" font-size="14.00">ip4_rewrite</text>
> > +<ellipse fill="none" stroke="black" cx="294" cy="-199" rx="63.89" ry="18"/>
> > +<text text-anchor="middle" x="294" y="-195.3" 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="M218.99,-218.81C218.88,-211.05
> > 218.75,-201.68 218.63,-192.95"/>
> > -<polygon fill="black" stroke="black" points="222.11,-192.98 218.47,-183.03
> > 215.11,-193.08 222.11,-192.98"/>
> > +<path fill="none" stroke="black" d="M261.95,-254.17C266.95,-245.72
> > 273.12,-235.29 278.71,-225.85"/>
> > +<polygon fill="black" stroke="black" points="281.75,-227.59 283.83,-217.2
> > 275.72,-224.02 281.75,-227.59"/>
> > +</g>
> > +<!-- ip4_local -->
> > +<g id="node11" class="node">
> > +<title>ip4_local</title>
> > +<ellipse fill="none" stroke="black" cx="136" cy="-145" rx="51.19" ry="18"/>
> > +<text text-anchor="middle" x="136" y="-141.3" font-family="Times,serif"
> > font-size="14.00">ip4_local</text>
> > +</g>
> > +<!-- ip4_lookup->ip4_local -->
> > +<g id="edge17" class="edge">
> > +<title>ip4_lookup->ip4_local</title>
> > +<path fill="none" stroke="black" d="M218.11,-256.86C207.64,-251.39
> > 196.61,-244.41 188,-236 169.45,-217.88 155.34,-191.74 146.53,-172.29"/>
> > +<polygon fill="black" stroke="black" points="149.72,-170.86 142.52,-163.08
> > 143.3,-173.65 149.72,-170.86"/>
> > </g>
> > <!-- ip6_lookup->pkt_drop -->
> > <g id="edge11" class="edge">
> > <title>ip6_lookup->pkt_drop</title>
> > -<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M369.2,-221.03C382.65,-211.71 397.78,-198.37 405.23,-182 426.87,-134.45
> > 392.95,-75.95 369.19,-43.54"/>
> > -<polygon fill="cyan" stroke="cyan" points="371.64,-41.98 362.81,-36.13
> > 366.06,-46.21 371.64,-41.98"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M470.57,-256.44C486.08,-247.46 503.27,-234.31 512,-217 519.2,-202.71
> > 517.24,-196.12 512,-181 486.88,-108.48 466,-83.15 395,-54 367.69,-42.79
> > 335.88,-34.51 309.39,-28.83"/>
> > +<polygon fill="cyan" stroke="cyan" points="310.02,-25.39 299.52,-26.78
> > 308.6,-32.24 310.02,-25.39"/>
> > </g>
> > <!-- ip6_rewrite -->
> > <g id="node10" class="node">
> > <title>ip6_rewrite</title>
> > -<ellipse fill="none" stroke="black" cx="343.23" cy="-164" rx="53.4"
> > ry="18"/>
> > -<text text-anchor="middle" x="343.23" y="-158.95"
> > font-family="Times,serif" font-size="14.00">ip6_rewrite</text>
> > +<ellipse fill="none" stroke="black" cx="439" cy="-199" rx="63.89" ry="18"/>
> > +<text text-anchor="middle" x="439" y="-195.3" font-family="Times,serif"
> > font-size="14.00">ip6_rewrite</text>
> > </g>
> > <!-- ip6_lookup->ip6_rewrite -->
> > <g id="edge10" class="edge">
> > <title>ip6_lookup->ip6_rewrite</title>
> > -<path fill="none" stroke="black" d="M343.23,-218.81C343.23,-211.05
> > 343.23,-201.68 343.23,-192.95"/>
> > -<polygon fill="black" stroke="black" points="346.73,-193.03 343.23,-183.03
> > 339.73,-193.03 346.73,-193.03"/>
> > +<path fill="none" stroke="black" d="M439,-253.81C439,-245.79 439,-236.05
> > 439,-227.07"/>
> > +<polygon fill="black" stroke="black" points="442.5,-227.03 439,-217.03
> > 435.5,-227.03 442.5,-227.03"/>
> > </g>
> > <!-- ip4_rewrite->ethdev_tx -->
> > <g id="edge8" class="edge">
> > <title>ip4_rewrite->ethdev_tx</title>
> > -<path fill="none" stroke="green" d="M235.63,-146.53C245.35,-137.33
> > 257.64,-125.7 268.36,-115.54"/>
> > -<polygon fill="green" stroke="green" points="270.34,-118.55 275.19,-109.13
> > 265.52,-113.47 270.34,-118.55"/>
> > +<path fill="none" stroke="green" d="M301.07,-180.97C308.09,-164.05
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> > +<polygon fill="green" stroke="green" points="330.35,-119.57 330.95,-108.99
> > 323.88,-116.88 330.35,-119.57"/>
> > </g>
> > <!-- ip4_rewrite->pkt_drop -->
> > <g id="edge9" class="edge">
> > <title>ip4_rewrite->pkt_drop</title>
> > -<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M217.56,-145.54C217.71,-125.89 220.78,-93.99 237.23,-73 253.17,-52.67
> > 278.68,-39.55 301.33,-31.33"/>
> > -<polygon fill="cyan" stroke="cyan" points="302.14,-34.42 310.5,-27.9
> > 299.9,-27.79 302.14,-34.42"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M289.85,-180.97C285.53,-163.07 278.61,-134.1 273,-109 268.3,-87.99
> > 263.29,-64.16 259.59,-46.3"/>
> > +<polygon fill="cyan" stroke="cyan" points="262.97,-45.37 257.52,-36.28
> > 256.11,-46.78 262.97,-45.37"/>
> > </g>
> > <!-- ip6_rewrite->ethdev_tx -->
> > <g id="edge12" class="edge">
> > <title>ip6_rewrite->ethdev_tx</title>
> > -<path fill="none" stroke="green" d="M331.38,-146.17C325.34,-137.6
> > 317.87,-126.99 311.15,-117.44"/>
> > -<polygon fill="green" stroke="green" points="313.62,-115.87 305,-109.71
> > 307.89,-119.9 313.62,-115.87"/>
> > +<path fill="none" stroke="green" d="M423.22,-181.44C406.47,-163.86
> > 379.84,-135.91 360.81,-115.94"/>
> > +<polygon fill="green" stroke="green" points="363.1,-113.27 353.67,-108.45
> > 358.03,-118.1 363.1,-113.27"/>
> > </g>
> > <!-- ip6_rewrite->pkt_drop -->
> > <g id="edge13" class="edge">
> > <title>ip6_rewrite->pkt_drop</title>
> > -<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M345.67,-145.53C347.02,-134.98 348.56,-121.24 349.23,-109 350.38,-88.27
> > 350.34,-64.81 350.03,-47.04"/>
> > -<polygon fill="cyan" stroke="cyan" points="353.51,-47.19 349.8,-37.27
> > 346.51,-47.34 353.51,-47.19"/>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M438.77,-180.67C437.49,-154.09 431.22,-103.19 403,-73 379.35,-47.7
> > 342.93,-34.22 312.02,-27.06"/>
> > +<polygon fill="cyan" stroke="cyan" points="312.71,-23.63 302.2,-24.95
> > 311.24,-30.47 312.71,-23.63"/>
> > +</g>
> > +<!-- ip4_local->pkt_drop -->
> > +<g id="edge18" class="edge">
> > +<title>ip4_local->pkt_drop</title>
> > +<path fill="none" stroke="cyan" stroke-dasharray="5,2"
> > d="M142.47,-126.87C150.6,-107.23 166.18,-75.04 188,-54 195,-47.25
> > 203.56,-41.45 212.16,-36.63"/>
> > +<polygon fill="cyan" stroke="cyan" points="213.85,-39.7 221.08,-31.95
> > 210.6,-33.5 213.85,-39.7"/>
> > </g>
> > </g>
> > </svg>
> > diff --git a/lib/node/ip4_local.c b/lib/node/ip4_local.c
> > new file mode 100644
> > index 0000000000..fb31d0f970
> > --- /dev/null
> > +++ b/lib/node/ip4_local.c
> > @@ -0,0 +1,88 @@
> > +/* SPDX-License-Identifier: BSD-3-Clause
> > + * Copyright(C) 2023 Marvell International Ltd.
> > + */
> > +
> > +#include <arpa/inet.h>
> > +#include <sys/socket.h>
> > +
> > +#include <rte_ethdev.h>
> > +#include <rte_ether.h>
> > +#include <rte_graph.h>
> > +#include <rte_graph_worker.h>
> > +#include <rte_ip.h>
> > +#include <rte_lpm.h>
> > +#include <rte_hash.h>
> > +#include <rte_fbk_hash.h>
> > +#include <rte_jhash.h>
> > +#include <rte_hash_crc.h>
> > +
> > +
> > +#include "rte_node_ip4_api.h"
> > +
> > +#include "node_private.h"
> > +
> > +static uint16_t
> > +ip4_local_node_process_scalar(struct rte_graph *graph, struct rte_node
> > *node,
> > + void **objs, uint16_t nb_objs)
> > +{
> > + void **to_next, **from;
> > + uint16_t last_spec = 0;
> > + rte_edge_t next_index;
> > + struct rte_mbuf *mbuf;
> > + uint16_t held = 0;
> > + uint32_t l4;
> > + int i;
> > +
> > + /* Speculative next */
> > + next_index = RTE_NODE_IP4_LOCAL_NEXT_UDP4_INPUT;
> > +
> > + from = objs;
> > + to_next = rte_node_next_stream_get(graph, node, next_index,
> > nb_objs);
> > + for (i = 0; i < nb_objs; i++) {
> > + uint16_t next;
> > +
> > + mbuf = (struct rte_mbuf *)objs[i];
> > + l4 = mbuf->packet_type & RTE_PTYPE_L4_MASK;
> > +
> > + next = (l4 == RTE_PTYPE_L4_UDP)
> > + ? next_index
> > + : RTE_NODE_IP4_LOCAL_NEXT_PKT_DROP;
> > +
> > + if (unlikely(next_index != next)) {
> > + /* Copy things successfully speculated till now */
> > + rte_memcpy(to_next, from, last_spec *
> > sizeof(from[0]));
> > + from += last_spec;
> > + to_next += last_spec;
> > + held += last_spec;
> > + last_spec = 0;
> > +
> > + rte_node_enqueue_x1(graph, node, next, from[0]);
> > + from += 1;
> > + } else {
> > + last_spec += 1;
> > + }
> > + }
> > + /* !!! Home run !!! */
> > + if (likely(last_spec == nb_objs)) {
> > + rte_node_next_stream_move(graph, node, next_index);
> > + return nb_objs;
> > + }
> > + held += last_spec;
> > + rte_memcpy(to_next, from, last_spec * sizeof(from[0]));
> > + rte_node_next_stream_put(graph, node, next_index, held);
> > +
> > + return nb_objs;
> > +}
> > +
> > +static struct rte_node_register ip4_local_node = {
> > + .process = ip4_local_node_process_scalar,
> > + .name = "ip4_local",
> > +
> > + .nb_edges = RTE_NODE_IP4_LOCAL_NEXT_PKT_DROP + 1,
> > + .next_nodes = {
> > + [RTE_NODE_IP4_LOCAL_NEXT_UDP4_INPUT] = "udp4_input",
> > + [RTE_NODE_IP4_LOCAL_NEXT_PKT_DROP] = "pkt_drop",
> > + },
> > +};
> > +
> > +RTE_NODE_REGISTER(ip4_local_node);
> > diff --git a/lib/node/ip4_lookup.c b/lib/node/ip4_lookup.c
> > index 72fd760512..0dbfde64fe 100644
> > --- a/lib/node/ip4_lookup.c
> > +++ b/lib/node/ip4_lookup.c
> > @@ -227,6 +227,7 @@ static struct rte_node_register ip4_lookup_node = {
> >
> > .nb_edges = RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP + 1,
> > .next_nodes = {
> > + [RTE_NODE_IP4_LOOKUP_NEXT_IP4_LOCAL] = "ip4_local",
> > [RTE_NODE_IP4_LOOKUP_NEXT_REWRITE] = "ip4_rewrite",
> > [RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP] = "pkt_drop",
> > },
> > diff --git a/lib/node/meson.build b/lib/node/meson.build
> > index 2fa7c1c8f3..c0d5b09e2f 100644
> > --- a/lib/node/meson.build
> > +++ b/lib/node/meson.build
> > @@ -12,6 +12,7 @@ sources = files(
> > 'ethdev_rx.c',
> > 'ethdev_tx.c',
> > 'ip4_lookup.c',
> > + 'ip4_local.c',
> > 'ip4_rewrite.c',
> > 'ip6_lookup.c',
> > 'ip6_rewrite.c',
> > diff --git a/lib/node/rte_node_ip4_api.h b/lib/node/rte_node_ip4_api.h
> > index 0f997761b6..40af3860b5 100644
> > --- a/lib/node/rte_node_ip4_api.h
> > +++ b/lib/node/rte_node_ip4_api.h
> > @@ -28,10 +28,22 @@ extern "C" {
> > enum rte_node_ip4_lookup_next {
> > RTE_NODE_IP4_LOOKUP_NEXT_REWRITE,
> > /**< Rewrite node. */
> > + RTE_NODE_IP4_LOOKUP_NEXT_IP4_LOCAL,
> > + /** IP Local node. */
> > RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP,
> > /**< Number of next nodes of lookup node. */
> > };
> >
> > +/**
> > + * IP4 Local next nodes.
> > + */
> > +enum rte_node_ip4_local_next {
> > + RTE_NODE_IP4_LOCAL_NEXT_UDP4_INPUT,
> > + /**< ip4 Local node. */
> > + RTE_NODE_IP4_LOCAL_NEXT_PKT_DROP,
> > + /**< Packet drop node. */
> > +};
> > +
> > /**
> > * Add ipv4 route to lookup table.
> > *
> > --
> > 2.25.1
> >
