There is also inline function vnet_feature_next() and
vnet_feature_next_with_data() which hides stuff Dave explained into oneliner...
> On 13 Mar 2018, at 14:59, Dave Barach <dbar...@cisco.com> wrote:
>
> The feature arc infra handles dispatching packets from feature to feature,
> depending on the set of enabled features.
>
> It's fine to define static arcs to e.g. error-drop, but there's no need to
> manually dispatch packets to the next feature node. Use
> vnet_get_config_data(...) to set next0 as shown below:
>
> Top of the node dispatch function:
>
> u8 arc_index = vnet_feat_arc_<arc_name>.feature_arc_index;
> vnet_feature_config_main_t *cm = &fm->feature_config_mains[arc_index];
>
> In single/dual/quad loops, per packet:
>
> vnet_get_config_data (&cm->config_main, &b0->current_config_index, &next0, 0
> /* sizeof (c0[0]) */ );
>
> There are plenty of examples.
>
> HTH... Dave
>
> -----Original Message-----
> From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Sara Gittlin
> Sent: Tuesday, March 13, 2018 9:44 AM
> To: vpp-dev@lists.fd.io
> Subject: [vpp-dev] order of running 2 plugins
>
> Hi,
> i've implemented 2 plugins plgA and plgB
>
> 1. plgA is running immediately after 'device-input' node 2. plgB should run
> after plgA 3. interface-output should run after plgB
>
> i set this these for plgA and plgB
> VNET_FEATURE_INIT (plgA, static) =
> {
> .arc_name = "device-input",
> .node_name = "plgA",
> .runs_before = VNET_FEATURES ("plgB"), };
>
> VNET_FEATURE_INIT (plgB, static) =
> {
> .arc_name = "plgA-input",
> .node_name = "plgB",
> .runs_before = VNET_FEATURES ("ethernet-input"), };
>
>
> and i set the next0 accodingly in the nodes for example in plgA
> next0 = AMETHYST_POLICER_NEXT_plgB_INPUT in plgB i set
> next0 = AMETHYST_POLICER_NEXT_ETHERNET_INPUT
>
> are these settings OK ? is there any other setting required ?
>
> Thank you in advance
> -Sara
>
>
>
>
>
>
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