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authorAlexander Aring <aar@pengutronix.de>2016-06-15 21:20:19 +0200
committerDavid S. Miller <davem@davemloft.net>2016-06-15 20:41:22 -0700
commit1e82f961ac8e94c50a933e89ee08071fc81a4bbd (patch)
treefea1c84c789b71b48ea0e0dd938bd51f850f3e81 /include/net/ndisc.h
parent848484c93128eae5b0f879ad1c2d7204c10a8b6a (diff)
downloadlinux-1e82f961ac8e94c50a933e89ee08071fc81a4bbd.tar.bz2
ndisc: add __ndisc_opt_addr_space function
This patch adds __ndisc_opt_addr_space as low-level function for ndisc_opt_addr_space which doesn't depend on net_device parameter. Cc: David S. Miller <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ndisc.h')
-rw-r--r--include/net/ndisc.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 2d8edaad29cb..4cee82654fe5 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -127,10 +127,15 @@ static inline int ndisc_addr_option_pad(unsigned short type)
}
}
+static inline int __ndisc_opt_addr_space(unsigned char addr_len, int pad)
+{
+ return NDISC_OPT_SPACE(addr_len + pad);
+}
+
static inline int ndisc_opt_addr_space(struct net_device *dev)
{
- return NDISC_OPT_SPACE(dev->addr_len +
- ndisc_addr_option_pad(dev->type));
+ return __ndisc_opt_addr_space(dev->addr_len,
+ ndisc_addr_option_pad(dev->type));
}
static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,