ring_tx_db(9)

💅 ring_tx_db(9) — like, the actual manual page

okay so bestie, welcome to the Kernel API Manual entry for ring_tx_db 🎀 and yes we are reading kernel docs together, this is our hangout now, no cap.

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✨ NAME ✨

ring_tx_db — checks whether a TX queue's doorbell needs ringing, and rings it if it does 🔔✨

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🦋 SYNOPSIS 🦋

void ring_tx_db (struct adapter *adapter , struct sge_txq *tq , int n );

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🌸 ARGUMENTS 🌸

• adapter — the adapter 💜
• tq — the TX queue, she's the main character here 👑
• n — how many new descriptors you're handing over to the HW, that's the count, bestie 🔢

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💫 DESCRIPTION 💫

Ring the doorbell for a TX queue 🔔🏃‍♀️ That's the whole vibe. That's the function. She rings the doorbell, the queue says hi to the hardware, periodt.

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🫶 SEE ALSO 🫶

• Kernel file ./drivers/net/ethernet/chelsio/cxgb4vf/sge.c — that's where she lives 💖
• get_buf_addr(9)
• is_buf_mapped(9)
• need_skb_unmap(9)
• txq_avail(9)
• fl_cap(9)
• fl_starving(9)
• map_skb(9)
• free_tx_desc(9)
• reclaim_completed_tx(9)
• get_buf_size(9)
• free_rx_bufs(9)
• unmap_rx_buf(9)
• ring_fl_db(9)
• set_rx_sw_desc(9)
• refill_fl(9)
• alloc_ring(9)
• sgl_len(9)
• flits_to_desc(9)
• is_eth_imm(9)
• calc_tx_flits(9)
• write_sgl(9)
• inline_tx_skb(9)
• t4vf_eth_xmit(9)
• copy_frags(9)
• t4vf_pktgl_to_skb(9)
• t4vf_pktgl_free(9)
• do_gro(9)
• t4vf_ethrx_handler(9)
• is_new_response(9)
• restore_rx_bufs(9)
• rspq_next(9)
• process_responses(9)
• napi_rx_handler(9)
• t4vf_intr_handler(9)
• sge_rx_timer_cb(9)
• sge_tx_timer_cb(9)
• bar2_address(9)
• t4vf_sge_alloc_rxq(9)
• t4vf_sge_alloc_eth_txq(9)
• t4vf_free_sge_resources(9)
• t4vf_sge_start(9)
• t4vf_sge_stop(9)
• t4vf_sge_init(9)

like… that's a whole friend group right there, she knows everybody 😭🫶

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and that's the page!! 💅✨ signed off from ./drivers/net/ethernet/chelsio..., dated October 2026 — ring_tx_db(9), love her, gotta go 🎀🦋💖