sxgbe_eee_init(9)

💖 sxgbe_eee_init(9) 💖

okay so bestie, buckle up — this is a page from the Kernel API Manual about sxgbe_eee_init(9), and it's honestly kind of a baddie. no cap. let's get into it 🦋

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✨ NAME ✨

sxgbe_eee_init

and like... that's genuinely it. the manpage gives us the name and then a lil dash and nothing else. iconic minimalism tbh. main character energy of a function that lets its source code do the talking 💅

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🌸 SYNOPSIS 🌸

bool sxgbe_eee_init (struct sxgbe_priv_data * const priv );

she returns a bool, she takes exactly one argument, and she is not here for extra drama. periodt ✨

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🎀 ARGUMENTS 🎀

• priv — the private device pointer. like, your whole device's personal diary. she needs it. hand it over. 🫶

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💜 DESCRIPTION 💜

okay so here's the vibe. this function is the moment where everything has to line up, and it's giving "group project where everyone actually did their part" 😭

so — if EEE support has been enabled while configuring the driver, and the GMAC actually supports EEE (which we find out from the HW cap reg, iykyk), and the phy can also manage EEE? then, and only then, does she go ahead and enable the LPI state and start the timer. that timer's whole job is to verify whether the tx path can enter in LPI state. slay 🔥

three green flags, one function, zero skips. that's the whole bit 💅

lowkey obsessed with how conditional this is. it's not "do the thing", it's "do the thing if the driver config said yes and the hardware said yes and the phy said yes". vibe check passed on all three or we do not proceed bestie 💀

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🦋 SEE ALSO 🦋

the kernel file herself lives right here:

./drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c

and then... the friend group. the whole friend group. every single one of them, no gatekeeping 🌈

• sxgbe_verify_args(9)
• sxgbe_eee_ctrl_timer(9)
• sxgbe_clk_csr_set(9)
• sxgbe_adjust_link(9)
• sxgbe_init_phy(9)
• sxgbe_clear_descriptors(9)
• sxgbe_free_rx_buffers(9)
• init_tx_ring(9)
• free_rx_ring(9)
• init_rx_ring(9)
• free_tx_ring(9)
• init_dma_desc_rings(9)
• sxgbe_mtl_operation_mode(9)
• sxgbe_tx_queue_clean(9)
• sxgbe_tx_all_clean(9)
• sxgbe_restart_tx_queue(9)
• sxgbe_reset_all_tx_queues(9)
• sxgbe_get_hw_features(9)
• sxgbe_check_ether_addr(9)
• sxgbe_init_dma_engine(9)
• sxgbe_init_mtl_engine(9)
• sxgbe_disable_mtl_engine(9)
• sxgbe_tx_timer(9)
• sxgbe_tx_init_coalesce(9)
• sxgbe_open(9)
• sxgbe_release(9)
• sxgbe_xmit(9)
• sxgbe_rx_refill(9)
• sxgbe_rx(9)
• sxgbe_poll(9)
• sxgbe_tx_timeout(9)
• sxgbe_common_interrupt(9)
• sxgbe_tx_interrupt(9)
• sxgbe_rx_interrupt(9)
• sxgbe_set_rx_mode(9)
• sxgbe_poll_controller(9)
• sxgbe_hw_init(9)
• sxgbe_drv_probe(9)
• sxgbe_drv_remove(9)

like I said. the entire friend group. invite them all to the party bestie 🎉💖

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and that's the page!! 🌟 source/version is ./drivers/net/ethernet/samsung... and the date is October 2026 — so yeah, this page is from October 2026, sxgbe_eee_init(9), and she ate. no crumbs. 🍓💅👑

later bestie 😭💜