It's just exact copy of eth_header_parse function from Linux kernel.
No problem, can do that with ether_addr_copy.
On Sat, Sep 29, 2018 at 10:22 AM Stephen Hemminger <
step...@networkplumber.org> wrote:
> On Thu, 27 Sep 2018 03:02:24 +0300
> Igor Ryzhov <iryz...@nfware.com> wrote:
>
> > +/*
> > + * Extract hardware address from packet
> > + */
> > +static int
> > +kni_net_header_parse(const struct sk_buff *skb, unsigned char *haddr)
> > +{
> > + const struct ethhdr *eth = eth_hdr(skb);
> > +
> > + memcpy(haddr, eth->h_source, ETH_ALEN);
> > +
> > + return ETH_ALEN;
> > +}
>
> Kernel has function ether_addr_copy which is marginally faster and
> commonly used.
>
