fm10k_mbx_tx_ready(9)

💅 fm10k_mbx_tx_ready(9) 💅

okay bestie, welcome to the Kernel API Manual ✨ — this one's a little function with main character energy, let's get into it 🫶

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🌸 NAME 🌸

fm10k_mbx_tx_ready — the little vibe check that tells you the mailbox is in a state ready for Tx 💌

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🦋 SYNOPSIS 🦋

bool fm10k_mbx_tx_ready (struct fm10k_mbx_info *mbx , u16 len );

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🎀 ARGUMENTS 🎀

• mbx — pointer to mailbox, aka the whole reason we're here � mailbox bestie
• len — verify free space is >= this value. yes literally, it's checking that you've got at least this much room 🫶

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✨ DESCRIPTION ✨

so the way this works is: this function returns true if the mailbox is in a state ready to transmit 🔥 that's it, that's the whole thing, and honestly? iconic. no cap.

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💜 SEE ALSO 💜

also go look at the kernel file ./drivers/net/ethernet/intel/fm10k/fm10k_mbx.c — the whole fam lives there 💅

and then the entourage, lowkey a whole friend group:

• 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_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_data(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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ngl this read was short and sweet and that's the point 💖 go check your mailbox state before you Tx, bestie, it's giving basic hygiene.

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okay that's a wrap 🎀 this little page came from ./drivers/net/ethernet/intel/f... and it's dated October 2026 — don't forget us when you're famous, mwah 💋🌈