skb_vlan_tagged_multi(9)

💅 skb_vlan_tagged_multi — the kernel API manual, but make it cute

okay so bestie, welcome to skb_vlan_tagged_multi(9), a kernel API manual page, and honestly? she's short but she serves. let's get into it ✨

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🎀 NAME 🎀

skb_vlan_tagged_multi — checks if an skb is vlan tagged with multiple headers. that's it. that's the whole vibe check. 💖

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🌸 SYNOPSIS 🌸

bool skb_vlan_tagged_multi (struct sk_buff *skb );

it returns a bool, it takes one pointer to a struct sk_buff, and it is not here to waste your time. periodt. 💅

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🦋 ARGUMENTS 🦋

• skb — the skbuff you wanna query. that's the one you're asking about. hand her over and she'll tell you what's up 🫶

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⭐ RETURN ⭐

true if the skb is tagged with multiple vlan headers, regardless of whether it's hardware accelerated or not.

like — hardware accelerated or not, doesn't matter, no cap, the answer's still true if the multi-tag situation is real. 🔥

ok but fr fr, clock the "regardless of whether it is hardware accelerated or not" part — that's the whole point. don't go assuming acceleration changes the answer, because it does NOT. 🙈

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👑 SEE ALSO 👑

bestie she has a lot of friends, and you're gonna meet all of them, no skipping. the kernel file lives at ./include/linux/if_vlan.h and the whole extended fam is:

• struct vlan_ethhdr(9)
• struct vlan_pcpu_stats(9)
• struct vlan_priority_tci_mapping(9)
• struct vlan_dev_priv(9)
• eth_type_vlan(9)
• __vlan_insert_inner_tag(9)
• __vlan_insert_tag(9)
• vlan_insert_inner_tag(9)
• vlan_insert_tag(9)
• vlan_insert_tag_set_proto(9)
• __vlan_hwaccel_clear_tag(9)
• __vlan_hwaccel_copy_tag(9)
• __vlan_hwaccel_put_tag(9)
• __vlan_get_tag(9)
• __vlan_hwaccel_get_tag(9)
• vlan_get_tag(9)
• vlan_get_protocol_offset_inline(9)
• vlan_get_protocol(9)
• vlan_remove_tag(9)
• skb_vlan_tagged(9)
• vlan_features_check(9)
• compare_vlan_header(9)

ngl that's a whole group chat and they're all iconic in their own way 💜

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and that's the page!! 🌈 this lil gem comes from the source path ./include/linux, dated October 2026, and it's filed under the manual name skb_vlan_tagged_multi(9) — so if you ever need to cite her, now you know exactly where she lives. mwah 💋 go forth and tag ur vlans responsibly, bestie 🍓🧚‍♀️💖