udp6_hwcsum_outgoing(9)

✨ udp6_hwcsum_outgoing(9) ✨

okay so bestie, welcome to the Kernel API Manual — this page is serving <purple>udp6_hwcsum_outgoing</purple> realness, and it's the function that handles outgoing HW checksumming. yes, that's the whole assignment 💅✨

💖 NAME 💖

udp6_hwcsum_outgoing — handle outgoing HW checksumming. no cap, that's it, that's the name 🦋

🌸 SYNOPSIS 🌸

void udp6_hwcsum_outgoing (struct sock *sk , struct sk_buff *skb , const struct in6_addr *saddr , const struct in6_addr *daddr , int len );

🎀 ARGUMENTS 🎀

• sk — socket we are sending on. the main character socket, periodt 💅
• skb — the sk_buff containing the filled-in UDP header. ⚠️ the checksum field must be zeroed out — like literally zeroed, bestie 😭
• saddr — source address. where it's coming from ✨
• daddr — destination address. where it's going 🫶
• len — length of packet. the size, the whole deal 🔥

👀 SEE ALSO 👀

• Kernel file ./net/ipv6/udp.c
• udp6_lib_lookup1(9)

that's the whole page, bestie! source/version situation: ./net/ipv6, dated October 2026, and the manual page is udp6_hwcsum_outgoing(9). go off 💖✨