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[Epic] Removing clang from the Cilium agent image ('clang-free')

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

help-wantedPlease volunteer for this by adding yourself as an assignee!Please volunteer for this by adding yourself as an assignee!

kind/enhancementThis would improve or streamline existing functionality.This would improve or streamline existing functionality.

kind/metaMeta-task for co-ordination.Meta-task for co-ordination.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#27446 In cilium/cilium;

· ti-mo opened on Aug 11, 2023

bpf: migrate non-branching config macros to runtime configuration

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

kind/metaMeta-task for co-ordination.Meta-task for co-ordination.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#38370 In cilium/cilium;

· dylandreimerink opened on Mar 20, 2025

bpf: avoid verifying tail call programs for disabled features

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

kind/enhancementThis would improve or streamline existing functionality.This would improve or streamline existing functionality.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#38378 In cilium/cilium;

· dylandreimerink opened on Mar 20, 2025

Configure map sizes from agent using <code>CollectionOptions.MapSizes</code>

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#38720 In cilium/cilium;

· ti-mo opened on Apr 3, 2025

Reimplement <code>VLAN_FILTER</code> using global array

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#38721 In cilium/cilium;

· ti-mo opened on Apr 3, 2025

Reimplement <code>IS_L3_DEV</code> and <code>NATIVE_DEV_MAC_BY_IFINDEX</code> using a bpf map

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

#39116 In cilium/cilium;

· ti-mo opened on Apr 23, 2025

Remove <code>invoke_tailcall_if</code>

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

Task

#39138 In cilium/cilium;

· ti-mo opened on Apr 24, 2025

bpf: remove runtime-generated <code>{ep,filter,netdev}_config.h</code>

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

Task

#39140 In cilium/cilium;

· ti-mo opened on Apr 24, 2025

bpf: Map spec registry

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

Status: Open.

Task

#39691 In cilium/cilium;

· dylandreimerink opened on May 23, 2025