at91_mailbox_read(9)

🎀 at91_mailbox_read(9) 🎀

okay bestie, welcome to the Kernel API Manual — we're looking at at91_mailbox_read, and it's giving "tiny CAN mailbox helper with main character energy" ✨. No cap, this page is short, but every detail stays.

💖 NAME 💖

at91_mailbox_read — read CAN msg from mailbox. That's the whole vibe: one function, one job 🫶.

✨ SYNOPSIS ✨

struct sk_buff * at91_mailbox_read (struct can_rx_offload *offload , unsigned int mb , u32 *timestamp , bool drop );

🎀 ARGUMENTS 🎀

• offload — rx-offload. The rx-offload situation, periodt.
• mb — mailbox number to read from. Which mailbox are we reading? This number, bestie.
• timestamp — pointer to 32 bit timestamp. Point it at a 32-bit timestamp 🕰️.
• drop — when it's true, it indicates the mailbox should be marked as read and the frame dropped 💀. Yep, drop it like it's hot.

🦋 DESCRIPTION 🦋

Reads a CAN message from the given mailbox if not empty. That's it. That's the lore. If the mailbox isn't empty, it reads the CAN message from it 💌.

bestie note: the if not empty condition is doing the heavy lifting here — periodt 💅.

🌸 SEE ALSO 🌸

• Kernel file ./drivers/net/can/at91_can.c — go read the source, it's right there 👀.
• at91_rx_overflow_err(9) — another manual page to hit up next.

that's the page, bestie! signed off from source/version ./drivers/net/can, dated October 2026, with all the Kernel API Manual energy we deserve ✨💅💖