ib_send_cm_rtu(9)

💅 ib_send_cm_rtu(9) — Kernel API Manual ✨

okay so bestie, welcome to the ib_send_cm_rtu(9) page from the Kernel API Manual 🫶. this one is lowkey iconic: it sends a connection ready to use message in response to a connection reply message. that’s the vibe, no cap 🎀

✨ NAME ✨

ib_send_cm_rtu — sends a connection ready to use message in response to a connection reply message 💌

🫶 SYNOPSIS 🫶

literally this, bestie:

int ib_send_cm_rtu (struct ib_cm_id *cm_id , const void *private_data ,
       u8 private_data_len );

🎀 ARGUMENTS 🎀

• cm_id — the connection identifier associated with the connection request. it’s giving “this is the connection we’re talking about” energy 🔥
• private_data — optional user-defined private data sent with the ready to use message. bring your own little extras if you want 🍓
• private_data_len — size of the private data buffer, in bytes. yes bestie, bytes, not vibes 💅

🌈 SEE ALSO 🌈

the kernel file is ./include/rdma/ib_cm.h, and here’s the whole friend group 👑:

• ib_cm_handler(9)
• ib_create_cm_id(9)
• ib_destroy_cm_id(9)
• ib_cm_listen(9)
• ib_send_cm_req(9)
• ib_send_cm_rep(9)
• ib_send_cm_dreq(9)
• ib_send_cm_drep(9)
• ib_cm_notify(9)
• ib_send_cm_rej(9)
• ib_prepare_cm_mra(9)
• ib_cm_init_qp_attr(9)
• ib_send_cm_sidr_req(9)
• ib_send_cm_sidr_rep(9)
• ibcm_reject_msg(9)

okay that’s the whole page, bestie 🫶 — source/version: ./include/rdma; date: October 2026; and yes, we’re still on ib_send_cm_rtu(9). periodt 💖✨