fm10k_sm_mbx_receive(9)

💅 fm10k_sm_mbx_receive(9) — Kernel API Manual ✨

okay so bestie, welcome to the glow-up edition of the fm10k_sm_mbx_receive man page 💖 this one lives in the Kernel API Manual, and it is exactly what it sounds like: one (1) function that scoops a message out of one FIFO and drops it into another. short king behavior, but make it networking 🎀

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🌸 NAME 🌸

fm10k_sm_mbx_receive — take message from Rx mailbox FIFO and put it in Rx 💌

like… literally the whole personality. grab from the switch manager Rx mailbox FIFO, place into the Rx mailbox FIFO. no cap.

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✨ SYNOPSIS ✨

s32 fm10k_sm_mbx_receive (struct fm10k_hw *hw , struct fm10k_mbx_info
*mbx , u16 tail );

three arguments, one s32 coming back at you. she's compact, she's iconic 👑

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🦋 ARGUMENTS 🦋

• hw — pointer to hardware structure 🫶 the actual silicon vibes.
• mbx — pointer to mailbox 📬 the mailbox we're messing with.
• tail — tail index of message 🎯 the tail index, right there in the message.

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💜 DESCRIPTION 💜

so what does she do. this function will dequeue one message from the Rx switch manager mailbox FIFO and place it in the Rx mailbox FIFO for processing by software ✨

that's it, that's the whole arc. one message. out of the switch manager Rx mailbox FIFO, into the Rx mailbox FIFO, ready for software to come along and process it. the way she just… moves data 😭🔥

bestie this is a dequeue — literally one (1) message per call. don't be out here expecting a bulk situation, that's not the assignment 💅

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👑 SEE ALSO 👑

the whole friend group 🫶 kernel file ./drivers/net/ethernet/intel/fm10k/fm10k_mbx.c and, like, everyone she knows:

• 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_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_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)

it's giving very "tagged in the group photo" 📸

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that's the whole page, bestie 💖 source and version come from ./drivers/net/ethernet/intel/f... and she's dated October 2026, so like… future icon energy fr fr 🌈⭐ mwah 💋