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SKB_SCRUB_PACKET(9) Linux Networking SKB_SCRUB_PACKET(9)

NAME

skb_scrub_packet - scrub an skb

SYNOPSIS

void skb_scrub_packet(struct sk_buff * skb, bool xnet);

ARGUMENTS

skb

buffer to clean

xnet

packet is crossing netns

DESCRIPTION

skb_scrub_packet can be used after encapsulating or decapsulting a packet into/from a tunnel. Some information have to be cleared during these operations. skb_scrub_packet can also be used to clean a skb before injecting it in another namespace (xnet == true). We have to clear all information in the skb that could impact namespace isolation.

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June 2024 Kernel Hackers Manual 3.10