STRUCT DEVLINK_TRAP_GROUP(9)

💜 struct devlink_trap_group(9) — the Kernel API Manual page your group chat needed 💜

okay so bestie, welcome to the Kernel API Manual, and today's main character is struct devlink_trap_group — aka the immutable packet trap group attributes, and yes that is literally its whole NAME section. immaculate. iconic. let's get into it 🎀

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✨ SYNOPSIS ✨

here's the whole vibe, copy-pasted exactly because we do not play with struct definitions:

struct devlink_trap_group {
    const char *name;
    u16 id;
    bool generic;
    u32 init_policer_id;
 };

look at her. four fields. no notes. 🫶

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🌸 Members 🌸

okay let's meet the squad, member by member, and yes i'm keeping every single one:

• name — the trap group name. that's her government name, the one on the birth certificate. 💅
• id — the trap group identifier. her little number, her student ID, her iykyk code. 🔢
• generic — whether the trap group is generic or not. it's a bool, so it's giving yes-or-no, no in-between, no "it's complicated". 🤔
• init_policer_id — the initial policer identifier. the starter ID. the before picture. ✨

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🦋 Description 🦋

so what does this struct actually do? it describes the immutable attributes of packet trap groups — the ones that drivers register with devlink. immutable, bestie! you can't just casually change them, that's not the vibe. drivers register them, and these attributes are locked in like a tweet from 2014. 👑

no cap, that's the whole description, and i will not be adding lore that isn't there. 🧚

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🌈 SEE ALSO 🌈

the whole extended universe, straight from the Kernel file ./include/net/devlink.h — every single cross-reference, zero skips, because we stan completeness:

• struct devlink_port_pci_pf_attrs(9)
• struct devlink_port_pci_vf_attrs(9)
• struct devlink_port_pci_sf_attrs(9)
• struct devlink_port_attrs(9)
• struct devlink_linecard_ops(9)
• struct devlink_dpipe_field(9)
• struct devlink_dpipe_header(9)
• struct devlink_dpipe_match(9)
• struct devlink_dpipe_action(9)
• struct devlink_dpipe_value(9)
• struct devlink_dpipe_entry(9)
• struct devlink_dpipe_dump_ctx(9)
• struct devlink_dpipe_table(9)
• struct devlink_dpipe_table_ops(9)
• struct devlink_dpipe_headers(9)
• struct devlink_resource_size_params(9)
• struct devlink_flash_notify(9)
• struct devlink_param(9)
• struct devlink_flash_update_params(9)
• struct devlink_region_ops(9)
• struct devlink_port_region_ops(9)
• struct devlink_health_reporter_ops(9)
• struct devlink_trap_metadata(9)
• struct devlink_trap_policer(9)
• struct devlink_trap(9)
• struct devlink_port_ops(9)

like, that is a squad. read them all, bestie, they're all main characters in their own pages. 🔥

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lowkey reminder: everything above is the immutable attribute set, so don't go thinking you can just mutate these fields and slay. that's not the assignment. 💀

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and that's the page! 🎀 this little love letter lives in ./include/net, dated October 2026, and signs off as struct devlink_trap_group(9) — periodt. go be obsessed with packet trap groups, you're literally so good at this. 💖🌸🦋👑⭐💅