sunrpc_nl_parse_one_ip_map(9)

💅 sunrpc_nl_parse_one_ip_map(9) 💅

okay so bestie, welcome to the Kernel API Manual — this one's a lil function from the sunrpc corner of the kernel and honestly it's giving "small but crucial" ✨

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🌸 NAME 🌸

sunrpc_nl_parse_one_ip_map — parses, like, one single ip_map entry from netlink 🎀

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🦋 SYNOPSIS 🦋

int sunrpc_nl_parse_one_ip_map (struct cache_detail *cd , struct nlattr
*attr );

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✨ ARGUMENTS ✨

• cd — the cache_detail for the ip_map cache 💖 like, that's the cache we're messing with, no cap
• attr — a nested attribute holding all the ip_map fields 🫶 it's the lil container with the goodies inside

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👑 DESCRIPTION 👑

So what it does: it parses one ip_map entry out of a netlink message and then updates the cache. 🌈 Yes, exactly one. Not two. Not a whole bunch. One. Periodt. 💅

It literally mirrors the logic in ip_map_parse, so if you know that one you already know what's up here — iykyk 😌

Returns 0 on success, or a negative errno if things went sideways 😭 (that's the whole return contract, fr fr).

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🧚 SEE ALSO 🧚

• Kernel file ./net/sunrpc/svcauth_unix.c 📁
• sunrpc_nl_unix_gid_get_reqs_dumpit(9)
• sunrpc_nl_parse_one_unix_gid(9)
• sunrpc_nl_unix_gid_set_reqs_doit(9)
• sunrpc_nl_cache_flush_doit(9)
• svcauth_null_accept(9)
• svcauth_tls_accept(9)
• svcauth_unix_accept(9)
• sunrpc_nl_ip_map_get_reqs_dumpit(9)
• sunrpc_nl_ip_map_set_reqs_doit(9)

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and that's the whole vibe check bestie 🍓 this lil page came from ./net/sunrpc and it's dated October 2026 — slay, go read some kernel source, you got this 💜🦋⭐