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.

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