sxgbe_tx_timeout(9)

✨ sxgbe_tx_timeout(9) ✨

okay so bestie, welcome to sxgbe_tx_timeout, straight out of the Kernel API Manual, section 9 — the section for kernel routines, iykyk 💅

---

🎀 NAME 🎀

sxgbe_tx_timeout — and honestly? the one-liner is blank, like the manpage author literally left us on read 🙈 there's a dash and then nothing. no description. no vibe. dead air. so we're gonna find out what it does from the rest of the page, fr fr 🫶

---

✨ SYNOPSIS ✨

void sxgbe_tx_timeout (struct net_device *dev , unsigned int txqueue );

it returns void — so it gives you nothing back, and honestly? iconic of it 👑

---

🌸 ARGUMENTS 🌸

• dev — pointer to the net device structure 🖇️ your netdev, the whole network interface vibe.
• txqueue — index of the hanging queue 😭 like, the specific TX queue that's stuck and ghosting everyone.

---

🦋 DESCRIPTION 🦋

okay so this function gets called when a packet transmission fails to complete within a reasonable time 💀 that's the "reasonable time" vibe check, and the packet failed it.

when that happens, the driver:

1. marks the error in the netdev structure ✍️ (noted, bestie)
2. arranges for the device to be reset to a sane state 🧚 so that it can actually transmit a new packet again

basically it's the "girl, get up, you're being dramatic, we're resetting you" of the transmit path 🌈 not me being the timeout handler for your broken queue.

lowkey important: the reset happens so a new packet can go out. we're not just panicking, we're fixing 🫶

---

👑 SEE ALSO 👑

the kernel file lives right here:

./drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c

and here's the whole bestie list, all of them, no skips, no cap ✨:

• sxgbe_verify_args(9)
• sxgbe_eee_ctrl_timer(9)
• sxgbe_eee_init(9)
• sxgbe_clk_csr_set(9)
• sxgbe_adjust_link(9)
• sxgbe_init_phy(9)
• sxgbe_clear_descriptors(9)
• sxgbe_free_rx_buffers(9)
• init_tx_ring(9)
• free_rx_ring(9)
• init_rx_ring(9)
• free_tx_ring(9)
• init_dma_desc_rings(9)
• sxgbe_mtl_operation_mode(9)
• sxgbe_tx_queue_clean(9)
• sxgbe_tx_all_clean(9)
• sxgbe_restart_tx_queue(9)
• sxgbe_reset_all_tx_queues(9)
• sxgbe_get_hw_features(9)
• sxgbe_check_ether_addr(9)
• sxgbe_init_dma_engine(9)
• sxgbe_init_mtl_engine(9)
• sxgbe_disable_mtl_engine(9)
• sxgbe_tx_timer(9)
• sxgbe_tx_init_coalesce(9)
• sxgbe_open(9)
• sxgbe_release(9)
• sxgbe_xmit(9)
• sxgbe_rx_refill(9)
• sxgbe_rx(9)
• sxgbe_poll(9)
• sxgbe_common_interrupt(9)
• sxgbe_tx_interrupt(9)
• sxgbe_rx_interrupt(9)
• sxgbe_set_rx_mode(9)
• sxgbe_poll_controller(9)
• sxgbe_hw_init(9)
• sxgbe_drv_probe(9)
• sxgbe_drv_remove(9)

---

and that's the whole page, bestie 🍓 before you go — cute lil sign-off moment: this one comes from the source path ./drivers/net/ethernet/samsung... (yes it's literally truncated like that, don't come for me 🙈) and it's dated October 2026. future-core of it all 💜 periodt.