sunrpc_nl_ip..._reqs_dumpit(9)

✨ sunrpc_nl_ip..._reqs_dumpit ✨

okay so bestie, welcome to the Kernel API Manual entry for sunrpc_nl_ip..._reqs_dumpit(9) — yes the title is a whole mouthful, she's got main character energy and a truncated name, we love that for her 💅

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🌸 NAME 🌸

sunrpc_nl_ip_map_get_reqs_dumpit — literally just dumps the pending ip_map requests. that's it. that's the job 🫶

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🦋 SYNOPSIS 🦋

int sunrpc_nl_ip_map_get_reqs_dumpit (struct sk_buff *skb , struct
       netlink_callback *cb );

she takes two args and returns an int, no cap 💖

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🎀 ARGUMENTS 🎀

• skb — the reply buffer, i.e. where the answer goes. it's giving "here's the container, fill it up" 🍓
• cb — netlink metadata AND the command arguments, all bundled together. she contains multitudes ✨

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💜 DESCRIPTION 💜

so what she actually does: she walks the ip_map cache's pending request list, and for every single cache_request she builds a nested entry inside a netlink message — and each one carries the seqno, the class, and the addr. all three, no skipping 🙈

then, the iconic part: she uses cb->args[0] as a seqno cursor, so the dump can keep going across multiple netlink messages. it's a continuation situation, she picks up right where she left off 🧚‍♀️

and she returns the size of the reply, or a negative errno if things went sideways 😭 periodt.

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🔥 SEE ALSO 🔥

Kernel file ./net/sunrpc/svcauth_unix.c — go read the source, iykyk 👑

• 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_parse_one_ip_map(9)
• sunrpc_nl_ip_map_set_reqs_doit(9)

the whole friend group, honestly 🌈

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and that's the page!! this lil gem lives in ./net/sunrpc, dated October 2026, and it's brought to you by the Kernel API Manual (9) — slay, go dump some requests bestie 💖🎀🦋💅