hinic_hwdev_ifdown(9)

💅 hinic_hwdev_ifdown 💅

okay so bestie, welcome to hinic_hwdev_ifdown(9) ✨ — yes that's the manual name, it's from the Kernel API Manual, and it's literally the glow-down routine for the Huawei hinic NIC hardware. Think of it as the "closing the HW for passing IO" era 🎀. It's the opposite of hinic_hwdev_ifup(9), and no cap, you're gonna want them as a matched set.

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🌸 NAME 🌸

hinic_hwdev_ifdown — closing the HW for passing IO 🫶

like, we're shutting it down. the hardware stops passing IO. that's the whole vibe check 💅

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✨ SYNOPSIS ✨

void hinic_hwdev_ifdown (struct hinic_hwdev *hwdev );

that's it, that's the function. returns void so there's no exit status to obsess over, no error code to catch, no drama 😌

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🦋 ARGUMENTS 🦋

• hwdev — the NIC HW device 👑 this is your one argument, the struct pointer, the main character. it's the hardware device you're taking down for its closing-the-HW-for-passing-IO moment. handle it with care, she's literally the NIC.

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💖 SEE ALSO 💖

okay this list is LONG and I'm obsessed, every single one is staying, no cutting, we don't do that here 🌈

• Kernel file ./drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c 📁 (yes, the source, go read it, iykyk)
• parse_capability(9)
• get_capability(9)
• get_dev_cap(9)
• init_msix(9)
• disable_msix(9)
• hinic_port_msg_cmd(9)
• init_fw_ctxt(9)
• set_hw_ioctxt(9)
• clear_io_resources(9)
• set_resources_state(9)
• get_base_qpn(9)
• hinic_hwdev_ifup(9) ⬅️ bestie this is the twin, the up to your down 💀
• hinic_hwdev_cb_register(9)
• hinic_hwdev_cb_unregister(9)
• nic_mgmt_msg_handler(9)
• init_pfhwdev(9)
• free_pfhwdev(9)
• hinic_init_hwdev(9)
• hinic_free_hwdev(9)
• hinic_hwdev_num_qps(9)
• hinic_hwdev_get_sq(9)
• hinic_hwdev_get_rq(9)
• hinic_hwdev_msix_cnt_set(9)
• hinic_hwdev_msix_set(9)
• hinic_hwdev_hw_ci_addr_set(9)
• hinic_hwdev_set_msix_state(9)

like, that's the whole friend group right there 🫶 go say hi.

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ngl bestie, the manpage is short and sweet — one function, one arg, void return, and a see-also list that ate. don't overthink it, just don't call it while you still need the HW passing IO, mkay? 😭

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🌸 okay that's the page!! source/version is ./drivers/net/ethernet/huawei/... and the date is October 2026, and this whole thing is hinic_hwdev_ifdown(9) — periodt, bye bestie, ily, go read hinic_hw_dev.c 💜✨🎀