ef4_filter_get_filter_safe(9)

✨ ef4_filter_get_filter_safe(9) ✨

okay bestie, welcome to the Kernel API Manual entry for ef4_filter_get_filter_safe 💅 this one is short, sweet, and literally all about grabbing a filter by its ID without being messy.

---

🎀 NAME 🎀

ef4_filter_get_filter_safe — retrieve a filter by ID, carefully 🫶

---

🌸 SYNOPSIS 🌸

int ef4_filter_get_filter_safe (struct ef4_nic *efx , enum
       ef4_filter_priority priority , u32 filter_id , struct ef4_filter_spec
       *spec );

---

🦋 ARGUMENTS 🦋

• efx — NIC from which to remove the filter 🙈
• priority — Priority of filter, as passed to ef4_filter_insert_filter ✨
• filter_id — ID of filter, as returned by ef4_filter_insert_filter 🎀
• spec — Buffer in which to store filter specification 💖

---

💜 DESCRIPTION 💜

okay so the whole main-character move here is that this function will range-check filter_id 🔥 that means it is safe to call with a value passed from userland, no cap. like, it checks the range for you, and that's the entire vibe 😌

---

🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/sfc/falcon/efx.h 🧚
• ef4_filter_insert_filter(9), ef4_filter_remove_id_safe(9) ⭐

---

mwah 💖 this little page is from the ./drivers/net/ethernet/sfc/falcon source, October 2026, and it's giving Kernel API Manual energy fr fr 🎀👑