ixgbe_read_mbx_pf(9)

💌 ixgbe_read_mbx_pf(9) — the Kernel API Manual page you didn't know you needed

okay so bestie, welcome to the ixgbe_read_mbx_pf(9) page from the Kernel API Manual 💅 this is the little function that goes and grabs a message out of the mailbox for you, and honestly? it's giving "trust me, the message is already there" energy. let's get into it 🎀

✨ NAME ✨

ixgbe_read_mbx_pf — Read a message from the mailbox 📬

🦋 SYNOPSIS 🦋

int ixgbe_read_mbx_pf (struct ixgbe_hw *hw , u32 *msg , u16 size , u16
vf_number );

🌸 ARGUMENTS 🌸

• hw — pointer to the HW structure 👑 like, the whole hardware vibe lives here
• msg — The message buffer 🧺 this is where the tea gets dropped off
• size — Length of buffer 📏 so nobody overflows, we love boundaries
• vf_number — the VF index 🔢 which virtual function we're talking to, iykyk

💖 DESCRIPTION 💖

This function copies a message from the mailbox buffer to the caller's memory buffer. that's the whole move, no cap 🫶

The presumption is that the caller knows that there was a message due to a VF request so no polling for message is needed. so like, no waiting around, no "are we there yet" — you already know it's there, you just go get it ✨ literally the main character energy of function calls 💅

fr fr though: this one assumes you already know a message is waiting. it does not go check for you. if you skipped that step, that's on you bestie 😭

🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
• ixgbe_read_mbx(9), ixgbe_write_mbx(9), ixgbe_check_for_msg(9), ixgbe_check_for_ack(9), ixgbe_check_for_rst(9), ixgbe_poll_for_msg(9), ixgbe_poll_for_ack(9), ixgbe_read_posted_mbx(9), ixgbe_write_posted_mbx(9), ixgbe_check_for_msg_pf(9), ixgbe_check_for_ack_pf(9), ixgbe_check_for_rst_pf(9), ixgbe_obtain_mbx_lock_pf(9), ixgbe_write_mbx_pf(9), ixgbe_init_mbx_params_pf(9)

and that's the page!! 🎀 source vibes come from ./drivers/net/ethernet/intel/i... and it's dated October 2026 — so mark your calendars, bestie 🗓️💜 this has been your ixgbe_read_mbx_pf(9) moment, slay ✨💅