rnpgbe_get_permanent_mac(9)

💖 rnpgbe_get_permanent_mac(9) — like, the kernel API manual bestie 💖

okay so this is a page from the Kernel API Manual, and we're talking about rnpgbe_get_permanent_mac. yes the name is a mouthful, no we're not shortening it, it's iconic as-is 🎀

---

✨ NAME ✨

rnpgbe_get_permanent_mac — literally just, get the permanent mac 💅

---

🦋 SYNOPSIS 🦋

int rnpgbe_get_permanent_mac (struct mucse_hw *hw , u8 *perm_addr );

like... look at her. the signature ate and left no crumbs 👑

---

🌸 ARGUMENTS 🌸

• hw — the hw information structure, aka the main character of this whole function 🫶
• perm_addr — a pointer to store perm_addr, so like, the spot where the mac goes ✨

---

🔥 DESCRIPTION 🔥

so rnpgbe_get_permanent_mac tries to get mac from hw. that's it, that's the whole vibe. it's giving "simple, focused, knows what she wants" 💖 no cap, it just goes and tries to pull the mac out of the hardware. small function energy but honestly? iconic 😭

---

⭐ RETURN ⭐

• 0 on success 🎉
• negative errno on failure 💀

so like, check her return value, bestie. zero means slay, negative means go read the errno and figure out what went wrong 🧚

---

👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c — the source, go read it, iykyk 📖
• rnpgbe_reset_hw(9)
• rnpgbe_send_notify(9)
• rnpgbe_init_n500(9)
• rnpgbe_init_n210(9)
• rnpgbe_init_hw(9)

all of these are her friends, the whole squad fr fr 🌈

---

kisses bestie, hope you understood it 💜 this was pulled from ./drivers/net/ethernet/mucse/r... dated October 2026, and it's the rnpgbe_get_permanent_mac(9) page — go forth and get that permanent mac, periodt 🎀🦋💅