fm10k_mbx_process_data(9)

✨ fm10k_mbx_process_data(9) ✨

okay so bestie, welcome to the Kernel API Manual section for fm10k_mbx_process_data(9) 🎀 — yes it's a whole vibe, and yes it's genuinely useful, stay with me.

This is the lil function that handles an incoming data header and politely replies with whatever message is appropriate. Iconic behaviour, honestly. 🦋

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💖 SYNOPSIS 💖

s32 fm10k_mbx_process_data (struct fm10k_hw *hw , struct fm10k_mbx_info
*mbx );

Note the return type, s32 — we're gonna talk about that in a sec, because it carries actual meaning, no cap. 👑

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🌸 ARGUMENTS 🌸

• hw — pointer to the hardware structure. Like, the actual hardware. The real one. 🖥️
• mbx — pointer to the mailbox. Your mailbox. Our mailbox. 💌

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🔥 DESCRIPTION 🔥

So, the way this works 👏 — this function reads an incoming data header, and then it replies with the appropriate message. That's it, that's the job, and it does it well.

On success it returns a value that tells you the number of data DWORDs. On failure it returns a negative value. So yes, bestie, you literally have to check the return value, the number means something. Fr fr. 🙈

Not me emphasising this: the return is either the count of data DWORDs or a negative failure value — same return slot, two totally different meanings. Check it. 💅

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👑 SEE ALSO 👑

Okay so this part is a whole group chat of related functions, and I'm not leaving a single one out because that would be rude. 💜

Kernel file: ./drivers/net/ethernet/intel/fm10k/fm10k_mbx.c

• fm10k_fifo_init(9)
• fm10k_fifo_used(9)
• fm10k_fifo_unused(9)
• fm10k_fifo_empty(9)
• fm10k_fifo_head_offset(9)
• fm10k_fifo_tail_offset(9)
• fm10k_fifo_head_len(9)
• fm10k_fifo_head_drop(9)
• fm10k_fifo_drop_all(9)
• fm10k_mbx_index_len(9)
• fm10k_mbx_tail_add(9)
• fm10k_mbx_tail_sub(9)
• fm10k_mbx_head_add(9)
• fm10k_mbx_head_sub(9)
• fm10k_mbx_pushed_tail_len(9)
• fm10k_fifo_write_copy(9)
• fm10k_fifo_enqueue(9)
• fm10k_mbx_validate_msg_size(9)
• fm10k_mbx_write_copy(9)
• fm10k_mbx_pull_head(9)
• fm10k_mbx_read_copy(9)
• fm10k_mbx_push_tail(9)
• fm10k_crc_16b(9)
• fm10k_fifo_crc(9)
• fm10k_mbx_update_local_crc(9)
• fm10k_mbx_verify_remote_crc(9)
• fm10k_mbx_rx_ready(9)
• fm10k_mbx_tx_ready(9)
• fm10k_mbx_tx_complete(9)
• fm10k_mbx_dequeue_rx(9)
• fm10k_mbx_enqueue_tx(9)
• fm10k_mbx_read(9)
• fm10k_mbx_write(9)
• fm10k_mbx_create_connect_hdr(9)
• fm10k_mbx_create_data_hdr(9)
• fm10k_mbx_create_disconnect_hdr(9)
• fm10k_mbx_create_fake_disconnect_hdr(9)
• fm10k_mbx_create_error_msg(9)
• fm10k_mbx_validate_msg_hdr(9)
• fm10k_mbx_create_reply(9)
• fm10k_mbx_reset_work(9)
• fm10k_mbx_update_max_size(9)
• fm10k_mbx_connect_reset(9)
• fm10k_mbx_process_connect(9)
• fm10k_mbx_process_disconnect(9)
• fm10k_mbx_process_error(9)
• fm10k_mbx_process(9)
• fm10k_mbx_disconnect(9)
• fm10k_mbx_connect(9)
• fm10k_mbx_validate_handlers(9)
• fm10k_mbx_register_handlers(9)
• fm10k_pfvf_mbx_init(9)
• fm10k_sm_mbx_create_data_hdr(9)
• fm10k_sm_mbx_create_connect_hdr(9)
• fm10k_sm_mbx_connect_reset(9)
• fm10k_sm_mbx_connect(9)
• fm10k_sm_mbx_disconnect(9)
• fm10k_sm_mbx_validate_fifo_hdr(9)
• fm10k_sm_mbx_process_error(9)
• fm10k_sm_mbx_create_error_msg(9)
• fm10k_sm_mbx_receive(9)
• fm10k_sm_mbx_transmit(9)
• fm10k_sm_mbx_create_reply(9)
• fm10k_sm_mbx_process_reset(9)
• fm10k_sm_mbx_process_version_1(9)
• fm10k_sm_mbx_process(9)
• fm10k_sm_mbx_init(9)

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Go read all of those, bestie, I believe in you 💪🌟

source: ./drivers/net/ethernet/intel/f... — dated October 2026 🗓️✨ and that's the whole page, mwah, bye 💋🎀🫶