dev_mc_unsync(9)

okay so this is dev_mc_unsync(9) from the Kernel API Manual, and we're gonna make synchronized addresses leave the destination device like they've been politely asked to exit the group chat 💅✨

🌸 NAME 🌸

dev_mc_unsync — remove synchronized addresses from the destination device, no cap 🎯

✨ SYNOPSIS ✨

vibe check: it's literally one function call, bestie:

void dev_mc_unsync (struct net_device *to , struct net_device *from );

🎀 ARGUMENTS 🎀

• to — the destination device 🫶
• from — the source device 🌟

💅 DESCRIPTION 💅

okay so what this icon does: it removes all the addresses that were added to the destination device by dev_mc_sync. like, every single one that got synced in — gone, periodt 💀

it's intended to be called from the dev->stop function of layered software devices. so if your layered software device is in its dev->stop cleanup era, this is your girl, fr fr 🧚✨

🦋 SEE ALSO 🦋

Kernel file: ./net/core/dev_addr_lists.c — that's the list-y home base, iykyk. and here's the full see-also squad, every single one, because we don't skip the besties:

• Kernel file: ./net/core/dev_addr_lists.c
• __hw_addr_sync_dev(9)
• __hw_addr_ref_sync_dev(9)
• __hw_addr_ref_unsync_dev(9)
• __hw_addr_unsync_dev(9)
• __hw_addr_list_snapshot(9)
• __hw_addr_list_reconcile(9)
• dev_addr_flush(9)
• dev_addr_init(9)
• dev_addr_add(9)
• dev_addr_del(9)
• dev_uc_add_excl(9)
• dev_uc_add(9)
• dev_uc_del(9)
• dev_uc_sync(9)
• dev_uc_sync_multiple(9)
• dev_uc_unsync(9)
• dev_uc_flush(9)
• dev_uc_init(9)
• dev_mc_add_excl(9)
• dev_mc_add(9)
• dev_mc_add_global(9)
• dev_mc_del(9)
• dev_mc_del_global(9)
• dev_mc_sync(9)
• dev_mc_sync_multiple(9)
• dev_mc_flush(9)
• dev_mc_init(9)
• netif_uc_promisc_update(9)
• __dev_set_rx_mode(9)
• netif_rx_mode_sync(9)

mwah 💋 source/version check: ./net/core, October 2026, dev_mc_unsync(9) — bye bestie, go unsync responsibly 🫶✨