skb_scrub_packet (9) - Linux Manuals

skb_scrub_packet: scrub an skb

Command to display skb_scrub_packet manual in Linux: $ man 9 skb_scrub_packet

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.