igb_poll_for_ack(9)

💖 igb_poll_for_ack — wait for message acknowledgement 💖

okay so bestie, we're deep in the Kernel API Manual today and this one is a little mailbox-waiting baddie from the Intel igb universe. she's got one job and she does it, periodt.

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✨ NAME ✨

igb_poll_for_ack — wait for message acknowledgement 🎀

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🦋 SYNOPSIS 🦋

s32 igb_poll_for_ack (struct e1000_hw *hw , u16 mbx_id );

like, that's the whole signature, no cap. two args, one s32 return, we move 💅

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🌸 ARGUMENTS 🌸

• hw — pointer to the HW structure 🫶 (yes queen, the hardware struct, hand it over)
• mbx_id — id of mailbox to write 📬 (which mailbox we're messing with, iykyk)

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⭐ DESCRIPTION ⭐

so basically: returns SUCCESS if it successfully received a message acknowledgement. that's it. that's the vibe check. if the ack came through, you get SUCCESS, and you can go about your day 💜

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👑 SEE ALSO 👑

the kernel file this lives in, for the curious girlies:

• ./drivers/net/ethernet/intel/igb/e1000_mbx.c

and the whole mbx friend group, literally all of them:

• igb_read_mbx(9)
• igb_write_mbx(9)
• igb_check_for_msg(9)
• igb_check_for_ack(9)
• igb_check_for_rst(9)
• igb_unlock_mbx(9)
• igb_poll_for_msg(9)
• igb_read_posted_mbx(9)
• igb_write_posted_mbx(9)
• igb_check_for_msg_pf(9)
• igb_check_for_ack_pf(9)
• igb_check_for_rst_pf(9)
• igb_obtain_mbx_lock_pf(9)
• igb_release_mbx_lock_pf(9)
• igb_write_mbx_pf(9)
• igb_read_mbx_pf(9)
• igb_init_mbx_params_pf(9)

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ngl bestie, if you're calling this one you're already in the mailbox weeds — go read the _pf girlies above if you're on the PF side, mwah 😭💖

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🌈 okay that's the page!! this one came from ./drivers/net/ethernet/intel/igb, dated October 2026 — slay, iconic, see u in the next manpage 🎀✨💅