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PSKB_TRIM_RCSUM(9) Linux Networking PSKB_TRIM_RCSUM(9)

NAME

pskb_trim_rcsum - trim received skb and update checksum

SYNOPSIS

int pskb_trim_rcsum(struct sk_buff * skb, unsigned int len);

ARGUMENTS

skb
buffer to trim

len

new length

DESCRIPTION

This is exactly the same as pskb_trim except that it ensures the checksum of received packets are still valid after the operation. It can change skb pointers.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.