batadv_test_bit(9)

💅 batadv_test_bit(9)

okay so bestie, welcome to the Kernel API Manual page for batadv_test_bit(9) — yes that (9) means it's a kernel function, we're literally in the source tree now, main character energy fr fr.

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✨ NAME ✨

batadv_test_bit — check if a bit is set in the current window 🎀

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🦋 SYNOPSIS 🦋

bool batadv_test_bit (const unsigned long *seq_bits , u32 last_seqno ,
       u32 curr_seqno );

it returns a bool, it takes three args, that's the whole vibe. 🌸

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💖 ARGUMENTS 💖

• seq_bits — pointer to the sequence number bitmap of received packets. it's giving "the receipts, as a bitmap" 💅
• last_seqno — the latest sequence number in seq_bits. the freshest one, the one that ate 👑
• curr_seqno — the sequence number to test for. the one we're doing a vibe check on 🔥

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⭐ RETURN ⭐

true if the corresponding bit in the given seq_bits indicates true and curr_seqno is within range of last_seqno. otherwise it returns false. no cap, that's the whole contract 🫶

ngl this is a two-condition situation — the bit has to be set and the sequence number has to be in range. both. not one. both. 💀

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🌈 SEE ALSO 🌈

• Kernel file ./net/batman-adv/bitarray.h
• batadv_set_bit(9)

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okay that's the page!! mwah 💋 this one came from ./net/batman-adv, dated October 2026 — go read batadv_set_bit(9) next bestie, iykyk 🧚💜✨