STRUCT DCCP_HDR_REQUEST(9)

💅 struct dccp_hdr_request(9) 💅

okay so we're in the Kernel API Manual bestie, and today's main character is struct dccp_hdr_request — literally the connection initiation request header. it's giving "hi, i'd like to open a socket please" energy 🎀

---

✨ NAME ✨

struct dccp_hdr_request — the connection initiation request header, periodt 🦋

---

🌸 SYNOPSIS 🌸

struct dccp_hdr_request {
    __be32 dccph_req_service;
 };

like, that's the whole struct. one member. tiny but iconic 👑

---

🎀 Members 🎀

• dccph_req_service — the service that the client app wants to connect to 💖 (it's a __be32, so yes, network byte order, no cap)

---

🦋 Description 🦋

so dccph_req_service is literally the service the client app is trying to connect to. that's the vibe check on this one 🔥

---

💜 SEE ALSO 💜

all the sibling structs hanging out in the kernel file ./include/uapi/linux/dccp.h — go say hi to the whole friend group:

• struct dccp_hdr(9)
• struct dccp_hdr_ext(9)
• struct dccp_hdr_ack_bits(9)
• struct dccp_hdr_response(9)
• struct dccp_hdr_reset(9)

---

💀 friendly reminder: everything above lives in ./include/uapi/linux/dccp.h, so go read it there if you need the receipts, iykyk.

---

and that's the whole page bestie!! 🫶 it's from ./include/uapi/linux, dated October 2026 — slay, go forth and initiate some connections ✨🌈⭐