Alexander Aring wrote:
> This patch adds __ndisc_opt_addr_data as low-level function for
> ndisc_opt_addr_data which doesn't depend on net_device parameter.
>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
> Cc: James Morris <jmorris@xxxxxxxxx>
> Cc: Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>
> Cc: Patrick McHardy <kaber@xxxxxxxxx>
> Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>
> ---
> include/net/ndisc.h | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/include/net/ndisc.h b/include/net/ndisc.h
> index 4cee826..c8962ad 100644
> --- a/include/net/ndisc.h
> +++ b/include/net/ndisc.h
> @@ -138,17 +138,23 @@ static inline int ndisc_opt_addr_space(struct net_device *dev)
> ndisc_addr_option_pad(dev->type));
> }
>
> -static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
> - struct net_device *dev)
> +static inline u8 *__ndisc_opt_addr_data(struct nd_opt_hdr *p,
> + unsigned char addr_len, int prepad)
> {
> u8 *lladdr = (u8 *)(p + 1);
> int lladdrlen = p->nd_opt_len << 3;
> - int prepad = ndisc_addr_option_pad(dev->type);
> - if (lladdrlen != ndisc_opt_addr_space(dev))
> + if (lladdrlen != __ndisc_opt_addr_space(addr_len, prepad))
> return NULL;
> return lladdr + prepad;
> }
>
> +static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
> + struct net_device *dev)
> +{
> + return __ndisc_opt_addr_data(p, dev->addr_len,
> + ndisc_addr_option_pad(dev->type));
> +}
> +
> static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd)
> {
> const u32 *p32 = pkey;
>
--
Hideaki Yoshifuji <hideaki.yoshifuji@xxxxxxxxxxxxxxxx>
Technical Division, MIRACLE LINUX CORPORATION
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