octep_open(9)

💖 octep_open(9) — the kernel API manual, but make it make sense 💖

okay so bestie, welcome to octep_open(9), your new obsession in the Kernel API Manual ✨ this one is genuinely iconic — it's the function that literally wakes up your octeon network device and gets it breathing. we're gonna go through it together, no cap 🫶

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✨ SYNOPSIS ✨

int octep_open (struct net_device *netdev );

that's it. that's the whole vibe. one argument, returns an int, and it changes everything 💅

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🎀 ARGUMENTS 🎀

• netdev — pointer to the kernel network device 🦋 like, the actual struct net_device * you're bringing to life. this is the main character, periodt.

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🌸 DESCRIPTION 🌸

so here's the deal, bestie: octep_open sets up the Tx/Rx queues, sets up the interrupts, and then enables the hardware operation of the Tx/Rx queues and the interrupts 🔥

like — it's giving "get everything ready, then actually turn it on." queues first, interrupts first, then hardware does its thing. slay 💅 (also yes, the original description really does end in a double period. we love a dramatic pause. 🫶)

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⭐ RETURN ⭐

• 0 — device got set up successfully and got brought up. we're so back 🎉
• -1 — any error whatsoever. it's giving "something went wrong and we're not elaborating" 😭

ngl, -1 is a pretty blunt way to say "any error," but that's what it says, so that's what we're telling you. 🙈

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🦋 SEE ALSO 🦋

the kernel file lives right here, bestie — go read it, it's lowkey the source of truth:

./drivers/net/ethernet/marvell/octeon_ep/octep_main.c

and then we have the entire extended universe of octep functions — yes, all of them, we're listing all of them, bestie asked for the full lore drop 👑:

• octep_alloc_ioq_vectors(9)
• octep_free_ioq_vectors(9)
• octep_enable_msix_range(9)
• octep_disable_msix(9)
• octep_mbox_intr_handler(9)
• octep_oei_intr_handler(9)
• octep_ire_intr_handler(9)
• octep_ore_intr_handler(9)
• octep_vfire_intr_handler(9)
• octep_vfore_intr_handler(9)
• octep_dma_intr_handler(9)
• octep_dma_vf_intr_handler(9)
• octep_pp_vf_intr_handler(9)
• octep_misc_intr_handler(9)
• octep_rsvd_intr_handler(9)
• octep_ioq_intr_handler(9)
• octep_request_irqs(9)
• octep_free_irqs(9)
• octep_setup_irqs(9)
• octep_clean_irqs(9)
• octep_update_pkt(9)
• octep_enable_ioq_irq(9)
• octep_napi_poll(9)
• octep_napi_add(9)
• octep_napi_delete(9)
• octep_napi_enable(9)
• octep_napi_disable(9)
• octep_stop(9)
• octep_iq_full_check(9)
• octep_start_xmit(9)
• octep_get_stats64(9)
• octep_tx_timeout_task(9)
• octep_tx_timeout(9)
• octep_intr_poll_task(9)
• octep_hb_timeout_task(9)
• octep_ctrl_mbox_task(9)
• octep_device_setup(9)
• octep_device_cleanup(9)
• octep_probe(9)
• octep_remove(9)
• octep_init_module(9)
• octep_exit_module(9)

iykyk — that's the whole friend group right there 🌈💜

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okay and for the cute sign-off: this page comes to you from the source/version line ./drivers/net/ethernet/marvell... and it's dated October 2026 🎀 so yeah, it's a little time traveler moment, slay. go forth and octep_open your bestie's network device 💖🦋✨