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SKB_COPY_BITS(9) Linux Networking SKB_COPY_BITS(9)

NAME

skb_copy_bits - copy bits from skb to kernel buffer

SYNOPSIS

int skb_copy_bits(const struct sk_buff * skb, int offset, void * to, int len);

ARGUMENTS

const struct sk_buff * skb

source skb

int offset

offset in source

void * to

destination buffer

int len

number of bytes to copy

DESCRIPTION

Copy the specified number of bytes from the source skb to the destination buffer.

CAUTION ! : If its prototype is ever changed, check arch/{*}/net/{*}.S files, since it is called from BPF assembly code.

COPYRIGHT

June 2017 Kernel Hackers Manual 4.11