vti6_tnl_change(9)

💖 NAME 💖

okay so bestie, say hi to vti6_tnl_change — it updates the tunnel parameters. that's the whole glow-up, no cap ✨

🌸 SYNOPSIS 🌸

int vti6_tnl_change (struct ip6_tnl *t , const struct __ip6_tnl_parm *p , bool keep_mtu );

🎀 ARGUMENTS 🎀

• t — the tunnel to be changed. this is the main-character tunnel getting its little update 💅
• p — the tunnel configuration parameters. all the config vibes go here 🛠️
• keep_mtu — the MTU was set from userspace, so don't re-compute it. respect the user's MTU choice, periodt 🫶

🦋 DESCRIPTION 🦋

vti6_tnl_change updates the tunnel parameters. short, sweet, and lowkey iconic — it's giving “change the tunnel params” and nothing more complicated than that 💖

👑 SEE ALSO 👑

Kernel file: ./net/ipv6/ip6_vti.c

• vti6_tnl_lookup(9)
• vti6_tnl_bucket(9)
• vti6_locate(9)
• vti6_dev_uninit(9)
• vti6_addr_conflict(9)
• vti6_xmit(9)
• vti6_siocdevprivate(9)
• vti6_dev_setup(9)
• vti6_dev_init_gen(9)
• vti6_dev_init(9)
• vti6_fb_tnl_dev_init(9)
• vti6_tunnel_init(9)
• vti6_tunnel_cleanup(9)

mwah 💋 — this page is from the Kernel API Manual, sourced from ./net/ipv6, dated October 2026 🎀