last_rcv_seq(9)

💅 last_rcv_seq — NAME ✨

okay so bestie, welcome to the Kernel API Manual, section 9 🎀 — this little baby is called last_rcv_seq, and the whole entire vibe is just "is last" 💀 like that's it, that's the name, no notes, icon behavior honestly 👑

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🦋 SYNOPSIS

bool last_rcv_seq (struct hfi1_ctxtdata *rcd , u32 seq );

like literally that's the whole signature, she's short and she knows it 💖

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🌸 ARGUMENTS

• rcd — the receive context 🫶 that's the thing you're peeking at
• seq — sequence ✨ the sequence, the number, the little guy you're checking

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⭐ DESCRIPTION

return true if last packet 🌈 that's it!! that's the function!! she checks and she tells you yes or no, and honestly we stan a decisive queen 👑 no cap, no ambiguity, just truthy/falsy realness 💅

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🔥 SEE ALSO

first up, the kernel file itself lives at ./drivers/infiniband/hw/hfi1/hfi.h 📁 and then the whole friend group, in order, no skipping:

• rcvhdrq_size(9)
• 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)
• 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)

all sixteen of them, matching set, no crumbs left behind 🍓 iykyk 😭

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fr fr go read the whole squad, they all live together in ./drivers/infiniband/hw/hfi1 and they're all doing their little jobs 💜

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🧚 okay that's the page!! sourced straight from ./drivers/infiniband/hw/hfi1, dated October 2026, and yeah — that's the last_rcv_seq(9) manual page, periodt 💅✨💖