ovpn_udp_output(9)

💖 NAME 💖

Okay bestie, welcome to the ovpn_udp_output(9) page from the Kernel API Manual ✨ This one is all about ovpn_udp_output — transmit skb using udp-tunnel. Slay.

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🌸 SYNOPSIS 🌸

int ovpn_udp_output (struct ovpn_peer *peer , struct dst_cache *cache ,
struct sock *sk , struct sk_buff *skb , struct ovpn_route_key *key );

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🎀 ARGUMENTS 🎀

• peer — the destination peer 🫶
• cache — dst cache ✨
• sk — the socket to send the packet over 💅
• skb — the packet to send 🦋
• key — route key snapshot used for cache validation and flow lookup 🔑

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🦋 DESCRIPTION 🦋

Real talk: rcu_read_lock should be held on entry 😌 No cap.

On return, the skb is consumed. Periodt. 💀

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🌈 RETURN 🌈

0 on success, or a negative error code otherwise 💖

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⭐ SEE ALSO ⭐

• Kernel file ./drivers/net/ovpn/udp.c 📁
• ovpn_udp_encap_recv(9) ✨
• ovpn_dst_cache_check_key(9) 🔑
• ovpn_dst_cache_current(9) 🌀
• ovpn_udp4_output(9) 4️⃣
• ovpn_udp6_output(9) 6️⃣
• ovpn_udp_send_skb(9) 📤
• ovpn_udp_socket_attach(9) 🔌
• ovpn_udp_socket_detach(9) 🫶

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Cute little sign-off from the footer, bestie: shoutout to ./drivers/net/ovpn, the October 2026 date, and ovpn_udp_output(9) itself 👑💅✨