wx_setup_rx_resources(9)
β¨ wx_setup_rx_resources β the kernel API manual, bestie edition β¨
Okay so this is wx_setup_rx_resources(9), straight out of the kernel API manual, and I'm gonna walk you through it like we're on FaceTime at 2am π
πΈ NAME πΈ
wx_setup_rx_resources β allocate Rx resources (Descriptors). That's it. That's the whole vibe. It's the function that goes "hey bestie, we need somewhere to put the receive descriptors" and then does it π
π¦ SYNOPSIS π¦
int wx_setup_rx_resources (struct wx_ring *rx_ring );
Lowkey the whole signature fits on one line. Iconic of it, honestly.
π ARGUMENTS π
rx_ringβ the rx descriptor ring (for a specific queue) that you wanna set up. It's astruct wx_ring *, and it's the one specific queue's ring, not all of them, okay? One ring. Singular. Main character energy but for exactly one queue β¨
π₯ DESCRIPTION π₯
So what does it actually do? Returns 0 on success, and a negative value on failure. That's the entire documented contract, no cap. Zero? Slay, you're good. Negative? Something went sideways, go check π«Ά
Ngl that's all the description gives us, so I'm not gonna sit here and invent lore. 0 = good, negative = not good. Periodt π
π§ SEE ALSO π§
Where does this live? Kernel file ./drivers/net/ethernet/wangxun/libwx/wx_lib.c β go say hi π
And here's the whole friend group, all of them, in order, because I would never do you dirty by trimming the list:
wx_alloc_rx_buffers(9)wx_is_non_eop(9)wx_cleanup_headers(9)wx_rx_checksum(9)wx_process_skb_fields(9)wx_clean_rx_irq(9)wx_clean_tx_irq(9)wx_poll(9)wx_set_rss_queues(9)wx_acquire_msix_vectors(9)wx_set_interrupt_capability(9)wx_cache_ring_rss(9)wx_alloc_q_vector(9)wx_free_q_vector(9)wx_alloc_q_vectors(9)wx_free_q_vectors(9)wx_clear_interrupt_scheme(9)wx_setup_isb_resources(9)wx_free_isb_resources(9)wx_set_ivar(9)wx_write_eitr(9)wx_configure_vectors(9)wx_clean_rx_ring(9)wx_clean_all_rx_rings(9)wx_free_rx_resources(9)wx_free_all_rx_resources(9)wx_clean_tx_ring(9)wx_clean_all_tx_rings(9)wx_free_tx_resources(9)wx_free_all_tx_resources(9)wx_setup_all_rx_resources(9)wx_setup_tx_resources(9)wx_setup_all_tx_resources(9)wx_get_stats64(9)
Thirty-four of them. I counted. Obsessed with a thorough cross-reference section honestly π
And that's the page!! Signing off with the source/version line ./drivers/net/ethernet/wangxun... and the date October 2026 β so like, future-dated bestie behavior, we love a timestamp that's ahead of us π¦π Go set up that rx ring, you've got this. Mwah 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