ctucan_reset(9)

💅 ctucan_reset(9) — like, the CTU CAN FD reset button, bestie

okay so this is a page from the Kernel API Manual (yes, the kernel has lore too) and it's all about ctucan_reset. pull up a chair 🎀

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✨ NAME ✨

ctucan_reset — issues a software reset request to CTU CAN FD 🧚

literally what it says on the tin. she sends the reset request. that's the whole gig.

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🌸 SYNOPSIS 🌸

int ctucan_reset (struct net_device *ndev );

one function, one pointer, one vibe. 💖

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🦋 ARGUMENTS 🦋

• ndev — pointer to the net_device structure 👑 that's it. that's the whole argument list. she's low-maintenance like that.

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⭐ RETURN ⭐

• 0 — success, we ate, everything's slay ✨
• -ETIMEDOUT — returned if the CAN controller does not leave reset 😭💀 like, she's stuck in reset mode and won't come out, and that is a whole problem, no cap.

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🔥 SEE ALSO 🔥

okay this is the part where the page goes absolutely feral with cross-references, so buckle up bestie, we're listing every single one 🫶

the kernel file itself:

• ./drivers/net/can/ctucanfd/ctucanfd_base.c

and the whole friend group:

• ctucan_state_to_str(9)
• ctucan_set_btr(9)
• ctucan_set_bittiming(9)
• ctucan_set_data_bittiming(9)
• ctucan_set_secondary_sample_point(9)
• ctucan_set_mode(9)
• ctucan_chip_start(9)
• ctucan_do_set_mode(9)
• ctucan_get_tx_status(9)
• ctucan_is_txt_buf_writable(9)
• ctucan_insert_frame(9)
• ctucan_give_txtb_cmd(9)
• ctucan_start_xmit(9)
• ctucan_read_rx_frame(9)
• ctucan_rx(9)
• ctucan_read_fault_state(9)
• ctucan_get_rec_tec(9)
• ctucan_err_interrupt(9)
• ctucan_rx_poll(9)
• ctucan_rotate_txb_prio(9)
• ctucan_tx_interrupt(9)
• ctucan_interrupt(9)
• ctucan_chip_stop(9)
• ctucan_open(9)
• ctucan_close(9)
• ctucan_get_berr_counter(9)

like, twenty-six siblings. main character energy runs in the family fr fr 🌈

ngl if you're reading this page you probably got here from one of those, so go say hi back 💜

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okay that's the whole page, mwah 💋 — this iconic little number lives in ./drivers/net/can/ctucanfd and it's dated October 2026, so mark your calendars bestie, and remember: ctucan_reset(9) forever 👑💅