get_dev_cap(9)
π get_dev_cap(9) β like, the NIC capability getter, bestie
okay so this is a page from the Kernel API Manual and it's about get_dev_cap β one tiny function that lives for one tiny purpose and honestly? she's an icon. let's get into it π«Ά
β¨ NAME β¨
get_dev_cap β get device capabilities. that's it. that's the whole job. no cap, it just fetches the capabilities off the device. π
πΈ SYNOPSIS πΈ
int get_dev_cap (struct hinic_hwdev *hwdev );
(yeah there's a space before the closing paren, that's just how she is, we don't touch it π)
π¦ ARGUMENTS π¦
hwdevβ the NIC HW device you're getting capabilities for. like, hand her the hardware device, she'll handle the rest. that's the whole ask, ngl π
π DESCRIPTION π
she returns 0 for Success, and negative for Failure. literally that simple. main character energy with zero extra lore π₯
lowkey a vibe check: 0 means slay, anything negative means it did not slay π
β SEE ALSO β
bestie please, she has a whole friend group. here's the squad π:
- Kernel file
./drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c parse_capability(9)get_capability(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)hinic_hwdev_ifdown(9)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, twenty-six plus entries?? she's so connected, iykyk π
and that's the page, periodt πβ¨ this cutie came out of ./drivers/net/ethernet/huawei/... and is dated October 2026 β and it's still get_dev_cap(9) at the end of the day, no notes π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms