batadv_netl...if_from_info(9)

💅 batadv_netl...if_from_info(9) — the Kernel API Manual girlies said "get that hard-iface" ✨

okay so bestie, welcome to batadv_netl...if_from_info(9), straight out of the Kernel API Manual. the full name of the function is batadv_netlink_get_hardif_from_info — which is giving "long name, very important job" and honestly? icon. 🎀

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✨ NAME ✨

batadv_netlink_get_hardif_from_info — grab yourself a hard-iface out of genl attributes. that's the whole vibe. 🦋

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🌸 SYNOPSIS 🌸

struct batadv_hard_iface * batadv_netlink_get_hardif_from_info (struct
batadv_priv *bat_priv , struct net *net , struct genl_info *info );

look at that signature. struct batadv_hard_iface * on the return, three args going in. it's giving "I take this very seriously actually". 💅

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💖 ARGUMENTS 💖

• bat_priv — the bat priv, aka the one holding all the mesh interface information. main character data structure fr. 👑
• net — the applicable net namespace. know which namespace you're in, bestie, it matters. 🌈
• info — the receiver information. yes it's literally the genl info, ty for asking. 🫶

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🔥 RETURN 🔥

pointer to the hard interface on success — and not just any pointer, a pointer with increased refcnt, okay so please remember that and don't leak it 😭

on error? you get an error pointer. no cap, that's it. 💀

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💜 SEE ALSO 💜

okay this list is long and honestly every single one of these deserves its own moment, so here we go, no skipping, nobody left behind 🧚

• Kernel file ./net/batman-adv/netlink.c — and also the enum in there
• batadv_netlink_multicast_groups(9)
• batadv_genl_ops_flags(9)
• batadv_netlink_get_ifindex(9)
• batadv_netlink_mesh_fill_ap_isolation(9)
• batadv_netlink_set_mesh_ap_isolation(9)
• batadv_netlink_mesh_fill(9)
• batadv_netlink_notify_mesh(9)
• batadv_netlink_get_mesh(9)
• batadv_netlink_set_mesh(9)
• batadv_netlink_tp_meter_put(9)
• batadv_netlink_tpmeter_notify(9)
• batadv_netlink_tp_meter_start(9)
• batadv_netlink_tp_meter_cancel(9)
• batadv_netlink_hardif_fill(9)
• batadv_netlink_notify_hardif(9)
• batadv_netlink_cmd_get_hardif(9)
• batadv_netlink_set_hardif(9)
• batadv_netlink_dump_hardif(9)
• batadv_netlink_vlan_fill(9)
• batadv_netlink_notify_vlan(9)
• batadv_netlink_get_vlan(9)
• batadv_netlink_set_vlan(9)
• batadv_netlink_get_meshif_from_ifindex(9)
• batadv_netlink_get_meshif_from_info(9)
• batadv_netlink_get_meshif(9)
• batadv_netlink_get_hardif_from_ifindex(9)
• batadv_netlink_get_hardif(9)
• batadv_get_vlan_from_info(9)
• batadv_pre_doit(9)
• batadv_post_doit(9)
• batadv_netlink_register(9)
• batadv_netlink_unregister(9)

like… the whole netlink family reunion and we're all invited 🎉

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okay that's the whole page bestie!! this one lives at ./net/batman-adv, dated October 2026, and it's the batadv_netl...if_from_info(9) entry from the Kernel API Manual. go forth and get your hardif (with increased refcnt!!) 💅✨🦋