__nla_reserve_nohdr(9)

✨ NAME ✨

okay so bestie, this is the __nla_reserve_nohdr(9) page from the Kernel API Manual, and it does one iconic little job: it reserves room for an attribute without a header. It's giving payload-only main character energy. 💅

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🌸 SYNOPSIS 🌸

Here's the signature, no cap:

void * __nla_reserve_nohdr (struct sk_buff *skb , int attrlen );

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🎀 ARGUMENTS 🎀

• skb — the socket buffer we're reserving room on 🫶
• attrlen — the length of the attribute payload ✨

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🦋 DESCRIPTION 🦋

This function reserves room for an attribute payload without a header. Simple as that. 💖

⚠️ The caller is responsible to ensure that the skb provides enough tailroom for the payload. Like, actually responsible — that check is your job, bestie. 😭

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💜 SEE ALSO 💜

The kernel file is ./lib/nlattr.c. Go peek at these besties too:

• __nla_validate(9)
• nla_policy_len(9)
• __nla_parse(9)
• nla_find(9)
• nla_strscpy(9)
• nla_strdup(9)
• nla_memcpy(9)
• nla_memcmp(9)
• nla_strcmp(9)
• __nla_reserve(9)
• __nla_reserve_64bit(9)
• nla_reserve(9)
• nla_reserve_64bit(9)
• nla_reserve_nohdr(9)
• __nla_put(9)
• __nla_put_64bit(9)
• __nla_put_nohdr(9)
• nla_put(9)
• nla_put_64bit(9)
• nla_put_nohdr(9)
• nla_append(9)

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okay that's the whole page, bestie 🫶 source/version vibes: ./lib, dated October 2026, and the page is __nla_reserve_nohdr(9). bye! 💖