genlmsg_data(9)

💖 genlmsg_data(9) — the kernel API manual, but make it make sense

okay so bestie, welcome to genlmsg_data(9) — that's section 9 of the kernel API manual, and yes the vibe is very "I read include/net/genetlink.h for fun" 💅

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✨ NAME ✨

genlmsg_data — head of message payload 🎀

like, literally the head of the message payload. it hands you the pointer to where the payload starts. that's the whole gig. iconic.

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🌸 SYNOPSIS 🌸

void * genlmsg_data (const struct genlmsghdr *gnlh );

that's it. one function, one pointer in, one pointer out. no cap, it's giving minimalism.

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🦋 ARGUMENTS 🦋

• gnlh — the genetlink message header 🧚 you hand it the header, it hands you back the payload head. group-chat energy: it's the "hey can you pass me the aux" of kernel helpers.

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👑 SEE ALSO 👑

bestie, this list is LONG and honestly kind of a flex. buckle in, we're going through all of it, ./include/net/genetlink.h is right there in the kernel source and it's lowkey the main character 🔥

• struct genl_multicast_group(9)
• struct genl_family(9)
• struct genl_info(9)
• struct genl_small_ops(9)
• struct genl_ops(9)
• struct genl_split_ops(9)
• struct genl_dumpit_info(9)
• genl_info_init_ntf(9)
• genlmsg_iput(9)
• genlmsg_nlhdr(9)
• genlmsg_parse_deprecated(9)
• genlmsg_parse(9)
• genl_dump_check_consistent(9)
• genlmsg_put_reply(9)
• genlmsg_end(9)
• genlmsg_cancel(9)
• genlmsg_multicast_netns_filtered(9)
• genlmsg_multicast_netns(9)
• genlmsg_multicast(9)
• genlmsg_multicast_allns(9)
• genlmsg_unicast(9)
• genlmsg_reply(9)
• genlmsg_len(9)
• genlmsg_msg_size(9)
• genlmsg_total_size(9)
• genlmsg_new(9)
• genl_set_err(9)

side note: genlmsg_parse_deprecated(9) is literally right there in the name, bestie — deprecated means deprecated, don't come for me 🙈

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and that's the page, periodt 💜 this one lives in ./include/net, dated October 2026, and it's genlmsg_data(9) from the Kernel API Manual. slay, go read genetlink.h 🫶✨