Hello.
On 14/06/16 13:52, 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>
---
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;
Reviewed-by: Stefan Schmidt<stefan@xxxxxxxxxxxxxxx>
regards
Stefan Schmidt
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