ef4_filter_is_mc_recipient(9)

💅 ef4_filter_is_mc_recipient(9) — the Kernel API Manual moment

okay so bestie, welcome to the manual page for ef4_filter_is_mc_recipient, straight out of the Kernel API Manual 🎀 like yes, we're in the kernel docs now, main character energy only.

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✨ NAME ✨

ef4_filter_is_mc_recipient — literally just tests whether a spec is a multicast recipient 🦋 no cap, that's the whole assignment.

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🌸 SYNOPSIS 🌸

bool ef4_filter_is_mc_recipient (const struct ef4_filter_spec *spec );

that's it. that's the function. she's a bool, she takes one pointer, she slays 💅

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🎀 ARGUMENTS 🎀

• spec — the specification you wanna test, bestie. that's it, that's the argument 🌈

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⭐ RETURN ⭐

okay so here's the vibe check 👑

it returns true when the specification is a non-drop RX filter that matches either:

• a local MAC address with an I/G bit value of 1, or
• a local IPv4 or IPv6 address value that's inside the respective multicast address range 🌸

and otherwise? false. periodt 💀 that's the whole answer, no extra lore.

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/net/ethernet/sfc/falcon/rx.c — go read it, iykyk 📖
• ef4_init_rx_buffers(9)
• ef4_fast_push_rx_descriptors(9)

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fr fr don't skip the SEE ALSO section, those two functions are lowkey part of the whole story 🫶

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okay that's the page!! mwah 💖 this little icon was brought to you by ./drivers/net/ethernet/sfc/falcon, October 2026 — catch you in the next manual page, bestie 👑✨