fm10k_mbx_tail_sub(9)

okay so bestie, welcome to fm10k_mbx_tail_sub(9) from the Kernel API Manual ✨ this is the page for the little helper that determines the new tail value with a subtracted offset, and we’re keeping every single detail intact — no cap 💅

💖 NAME 💖

fm10k_mbx_tail_sub — determine new tail value with subtracted offset. periodt ✨

✨ SYNOPSIS ✨

u16 fm10k_mbx_tail_sub (struct fm10k_mbx_info *mbx , u16 offset );

the return type is u16, and the function takes struct fm10k_mbx_info *mbx and u16 offset — that’s the whole synopsis, bestie 🫶

🎀 ARGUMENTS 🎀

• mbx — pointer to mailbox 💌
• offset — length to add to tail offset ✨ (yes, the page says “add” right there — I’m just reporting the facts, bestie.)

🦋 DESCRIPTION 🦋

okay so here’s the tea: this function takes the local tail index and recomputes it for a given length added as an offset. that’s the whole description — iconic, concise, and fully preserved 💖

🌈 SEE ALSO 🌈

the cross-refs are giving full main-character energy 👑 here’s the complete set, no skips, no cap:

• 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_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_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)

byeee bestie 💅 this page is from the Kernel API Manual, manual name fm10k_mbx_tail_sub(9), source/version vibes ./drivers/net/ethernet/intel/f..., dated October 2026. mwah 🫶