tx_map_skb(9)

💖 tx_map_skb — a Kernel API Manual moment 💖

okay so bestie, welcome to tx_map_skb(9), the Kernel API Manual page that's literally about DMA-mapping an skb and handing you back some sges. yes ma'am, we're in the networking trenches today and it's giving iconic. 🦋

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✨ NAME ✨

tx_map_skb — dma mapping for skb and return sges

like, it maps the skb for DMA and gives you the scatter-gather entries back. that's the whole vibe. no cap. 💅

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🌸 SYNOPSIS 🌸

int tx_map_skb (struct hinic_dev *nic_dev , struct sk_buff *skb , struct
hinic_sge *sges );

she takes three things and returns an int. short, sweet, main character energy. 👑

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🎀 ARGUMENTS 🎀

• nic_dev — nic device. that's your hinic device struct bestie, she's the whole context here. 🫶
• skb — the skb. yes, the skb. the socket buffer in question. she's the moment. 💌
• sges — returned sges. you pass this in and it comes back all filled with scatter-gather entries. lowkey the whole point tbh. ✨

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🦋 DESCRIPTION 🦋

Return 0 - Success, negative - Failure

that's it, that's the tea. 0 means slay, everything went great. anything negative means it did not go great and you should probably go check on that. 😭

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💜 SEE ALSO 💜

• Kernel file ./drivers/net/ethernet/huawei/hinic/hinic_tx.c — the source file, go read her, she's right there. 📖
• hinic_txq_clean_stats(9)
• hinic_txq_get_stats(9)
• txq_stats_init(9)
• tx_unmap_skb(9)
• tx_free_skb(9)
• free_all_tx_skbs(9)
• free_tx_poll(9)
• hinic_init_txq(9)
• hinic_clean_txq(9)

the whole friend group fr fr — go say hi to all of them, they all live in the same hinic tx neighborhood. 🌈

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ok and just so you know, this page is from ./drivers/net/ethernet/huawei/... and it's dated October 2026. consider that the cute little sign-off bestie, mwah 💋🌸

periodt. go map some skbs responsibly. 💖🧚