rhine_set_cam(9)

✨ rhine_set_cam ✨

okay so you're reading the kernel API manual, section 9, and the star of the show is rhine_set_cam(9) — bestie, this is the little helper that loads stuff into the multicast filters 🎀 no cap, that's literally the whole vibe.

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🌸 NAME 🌸

rhine_set_cam — set CAM multicast filters 💅

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🦋 SYNOPSIS 🦋

void rhine_set_cam (void __iomem *ioaddr , int idx , u8 *addr );

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🎀 ARGUMENTS 🎀

• ioaddr — the register block of this Rhine, like its whole little home base 🏠
• idx — the multicast CAM index, and it's gotta be in [0..MCAM_SIZE-1] — respect the range, periodt ✨
• addr — the multicast address, all 6 bytes of it 🍓

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💖 DESCRIPTION 💖

Loads addresses into the multicast filters. That's it, that's the function — iconic, lowkey does exactly what it says on the tin 🫶

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👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/via/via-rhine.c — go read the source, iykyk 💜
• rhine_set_vlan_cam(9)
• rhine_set_cam_mask(9)
• rhine_set_vlan_cam_mask(9)
• rhine_init_cam_filter(9)
• rhine_update_vcam(9)
• rhine_get_vlan_tci(9)

all the sibling functions, a whole friend group fr fr 🌈

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💀 reminder bestie: idx outside [0..MCAM_SIZE-1] is not it — the range is right there in the docs, don't do it.

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anyway that's the page!! 🌟 this one comes from ./drivers/net/ethernet/via, dated October 2026, and it's filed under rhine_set_cam(9) — mwah, go forth and set those filters 💅🎀🧚