rcvhdrq_size(9)

okay bestie, welcome to the Kernel API Manual entry for rcvhdrq_size(9) — yes we're doing kernel headers today, and honestly? iconic. 💅

✨ NAME ✨

rcvhdrq_size — return total size in bytes for header queue

🎀 SYNOPSIS 🎀

u32 rcvhdrq_size (struct hfi1_ctxtdata *rcd );

🌸 ARGUMENTS 🌸

• rcd — the receive context. that's the one and only argument, bestie 🫶

🦋 DESCRIPTION 🦋

so here's the tea: rcvhdrqentsize is in DWs, which means we have to convert to bytes. that's literally the whole job. no cap. ✨

💖 SEE ALSO 💖

the kernel file is ./drivers/infiniband/hw/hfi1/hfi.h, and these are the friends in the group chat:

• hfi1_get_rc_ohdr(9)
• hfi1_rcd_head(9)
• hfi1_set_rcd_head(9)
• hfi1_seq_incr_wrap(9)
• hfi1_seq_cnt(9)
• hfi1_set_seq_cnt(9)
• last_rcv_seq(9)
• get_hdrqentsize(9)
• get_hdrq_cnt(9)
• hfi1_is_slowpath(9)
• hfi1_is_fastpath(9)
• hfi1_set_fast(9)
• sc_to_vlt(9)
• hfi1_may_ecn(9)
• hfi1_rcvhdrtail_kvaddr(9)
• hfi1_need_drop(9)

xoxo, your kernel bestie 💜 — source/version: ./drivers/infiniband/hw/hfi1, dated October 2026. slay and read your headers. 🎀