ixgbe_set_num_queues(9)

💅 ixgbe_set_num_queues(9) — from the Kernel API Manual, bestie

okay so picture this: a manual page, but make it a group chat. this one's from the Kernel API Manual, and it's called ixgbe_set_num_queues — yes the (9) is part of the name, section 9, kernel API stuff, iykyk 🧚

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✨ NAME ✨

ixgbe_set_num_queues — allocate queues for the device, and it's all feature-dependent, no cap 🎀

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🌸 SYNOPSIS 🌸

void ixgbe_set_num_queues (struct ixgbe_adapter *adapter );

like, that's it. that's the whole signature. she's void, she takes one pointer, she's iconic 💅

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🦋 ARGUMENTS 🦋

• adapter — the board private structure you're initializing. that's the one. hand her the board's private struct and let her cook 🍓

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🔥 DESCRIPTION 🔥

okay so this is the top level queue allocation routine — like the main character of the whole queue-allocation arc 👑

and the order here? very important. not "kind of important", not "if you feel like it" — very. the way that it works:

• it starts with the "most" number of features turned on at once,
• and it ends with the smallest</> set of features.

why tho? because this way, large combinations can be allocated if they're turned on, and the smaller combinations are the fallthrough conditions. big combos get their moment first, and the little ones are just chilling there waiting in case nothing bigger applies 🫶

so yeah. order = everything. don't rearrange her. periodt 💖

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🌈 SEE ALSO 🌈

kernel file: ./drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c — that's where she lives 🏠

and the whole friend group:

• ixgbe_cache_ring_dcb_sriov(9)
• ixgbe_cache_ring_dcb(9)
• ixgbe_cache_ring_sriov(9)
• ixgbe_cache_ring_rss(9)
• ixgbe_cache_ring_register(9)
• ixgbe_set_dcb_sriov_queues(9)
• ixgbe_set_sriov_queues(9)
• ixgbe_set_rss_queues(9)
• ixgbe_acquire_msix_vectors(9)
• ixgbe_alloc_q_vector(9)
• ixgbe_free_q_vector(9)
• ixgbe_alloc_q_vectors(9)
• ixgbe_free_q_vectors(9)
• ixgbe_set_interrupt_capability(9)
• ixgbe_init_interrupt_scheme(9)
• ixgbe_clear_interrupt_scheme(9)

like, the whole squad. go say hi 😭💜

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ngl bestie, this one's short but she's load-bearing — that fallthrough ordering is doing real work, so don't go "cleaning it up" 🙈

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and that's the page!! brought to you by the source line ./drivers/net/ethernet/intel/i... (yes it's truncated in the original, she's mysterious like that ✨) and dated October 2026, under the ixgbe_set_num_queues(9) banner. mwah, bye bestie 💋🎀🦋