axienet_calc_cr(9)

💅 axienet_calc_cr(9) — the Kernel API Manual page you didn't know you needed 🎀

okay bestie, so this is axienet_calc_cr, straight out of the Linux Kernel API Manual. yeah. we're in the kernel now. bring a snack. 🍓

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✨ NAME ✨

axienet_calc_cr — literally just Calculate control register value. that's the whole gig. iconic behaviour, no notes. 👑

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🌸 SYNOPSIS 🌸

u32 axienet_calc_cr(struct axienet_local *lp, u32 count, u32 usec);

three args, one u32 coming back at you. she's compact. she's efficient. she ate. 💅

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🦋 ARGUMENTS 🦋

• lp — the device's private data. like, the main character's whole lore file. 📁
• count — how many completions happen before an interrupt fires. the "how many before we yell" number.
• usec — microseconds after the last completion before an interrupt fires. the "wait a hot sec" number. ⏱️

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💖 DESCRIPTION 💖

so the way this works is: axienet_calc_cr calculates a control register value based on the coalescing settings. that's it, that's the function. 🔥

and the important bit — do not miss this — the run/stop bit is not set. nope. not her job. she hands you the value and the run/stop bit is somebody else's problem, fr fr. 🫶

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🌈 RETURN 🌈

she returns the control register value with the coalescing settings all configured. ready to go, prepped, slayed. ✨

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💜 SEE ALSO 💜

buckle up bestie, this list is a journey. the whole friend group showed up:

• kernel file ./drivers/net/ethernet/xilinx/xilinx_axienet_main.c
• axienet_dma_in32(9)
• axienet_dma_bd_release(9)
• axienet_coalesce_params(9)
• axienet_dma_start(9)
• axienet_dma_bd_init(9)
• axienet_set_mac_address(9)
• netdev_set_mac_address(9)
• axienet_set_multicast_list(9)
• axienet_setoptions(9)
• axienet_dma_stop(9)
• axienet_device_reset(9)
• axienet_free_tx_chain(9)
• axienet_check_tx_bd_space(9)
• axienet_dma_tx_cb(9)
• axienet_start_xmit_dmaengine(9)
• axienet_tx_poll(9)
• axienet_start_xmit(9)
• axienet_dma_rx_cb(9)
• axienet_rx_poll(9)
• axienet_tx_irq(9)
• axienet_rx_irq(9)
• axienet_eth_irq(9)
• axienet_rx_submit_desc(9)
• axienet_init_dmaengine(9)
• axienet_init_legacy_dma(9)
• axienet_open(9)
• axienet_stop(9)
• axienet_change_mtu(9)
• axienet_poll_controller(9)
• axienet_ethtools_get_drvinfo(9)
• axienet_ethtools_get_regs_len(9)
• axienet_ethtools_get_regs(9)
• axienet_ethtools_get_pauseparam(9)
• axienet_ethtools_set_pauseparam(9)
• axienet_update_coalesce_rx(9)
• axienet_dim_coalesce_count_rx(9)
• axienet_rx_dim_work(9)
• axienet_update_coalesce_tx(9)
• axienet_ethtools_get_coalesce(9)
• axienet_ethtools_set_coalesce(9)
• axienet_dma_err_handler(9)
• axienet_probe(9)

forty-something functions and not one of them skipped. iykyk. 😭

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the whole thing lives under ./drivers/net/ethernet/xilinx — that's home base, that's the address, don't lose it. 🏡

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and that's the page!! 💫 source: ./drivers/net/ethernet/xilinx, version October 2026 — mwah, catch you in the next man page, bestie. 🧚💜