call_switchdev_notifiers(9)

✨ call_switchdev_notifiers — a kernel API manual, but make it group chat ✨

okay so this is call_switchdev_notifiers(9) from the Kernel API Manual — yes bestie, we're reading kernel docs for fun now, that's just who we are 💅

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🌸 NAME 🌸

call_switchdev_notifiers — the icon that calls notifiers. literally it's right there in the name 🎀

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🦋 SYNOPSIS 🦋

int call_switchdev_notifiers (unsigned long val , struct net_device *dev
, struct switchdev_notifier_info *info , struct netlink_ext_ack *extack
);

four arguments, one int coming back at you, no cap ✨

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💖 ARGUMENTS 💖

okay so here's who's who in the group chat 🫶

• val — the value, and it gets passed unmodified to the notifier function. no editing, no remixing, no "let me just tweak this real quick" — it goes through exactly as given, periodt 💅
• dev — the port device. that's the one 🎀
• info — the notifier information data. the lore, basically 📋
• extack — netlink extended ack. Call all network notifier blocks. 👑

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🔥 SEE ALSO 🔥

go look at the kernel file ./net/switchdev/switchdev.c and also these besties, they all know each other iykyk:

• switchdev_deferred_process(9)
• switchdev_port_attr_set(9)
• switchdev_port_obj_add(9)
• switchdev_port_obj_del(9)
• switchdev_port_obj_act_is_deferred(9)
• register_switchdev_notifier(9)
• unregister_switchdev_notifier(9)

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ngl if you made it this far you're genuinely kinda iconic 💀👑

so yeah — that's the page 💜 source and version: ./net/switchdev — dated October 2026, and it lives at call_switchdev_notifiers(9) forever. slay, bye bestie 🌈⭐