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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-21 10:47:56 +0400
committerDavid S. Miller <davem@davemloft.net>2013-01-21 22:33:14 +0400
commitc558e9fca876d6d0463a7c337d2291774b9c6f96 (patch)
tree1ecd7e3bd777851a7e3ba4640111098a2a974a35 /include
parent315ff09dbaebc6061948102d7ed8781d4ee46f36 (diff)
downloadlinux-c558e9fca876d6d0463a7c337d2291774b9c6f96.tar.xz
ndisc: Move ndisc_opt_addr_space() to include/net/ndisc.h.
This also makes ndisc_opt_addr_data() and ndisc_fill_addr_option() use ndisc_opt_addr_space(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/ndisc.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index ec48f42db5ed..745bf741e029 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -127,13 +127,19 @@ static int ndisc_addr_option_pad(unsigned short type)
}
}
+static inline int ndisc_opt_addr_space(struct net_device *dev)
+{
+ return NDISC_OPT_SPACE(dev->addr_len +
+ ndisc_addr_option_pad(dev->type));
+}
+
static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
struct net_device *dev)
{
u8 *lladdr = (u8 *)(p + 1);
int lladdrlen = p->nd_opt_len << 3;
int prepad = ndisc_addr_option_pad(dev->type);
- if (lladdrlen != NDISC_OPT_SPACE(dev->addr_len + prepad))
+ if (lladdrlen != ndisc_opt_addr_space(dev))
return NULL;
return lladdr + prepad;
}