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authorAlexander Aring <aar@pengutronix.de>2016-06-15 22:20:21 +0300
committerDavid S. Miller <davem@davemloft.net>2016-06-16 06:41:23 +0300
commit8ec5da41502843947af0b09e795b19fc7a83edd8 (patch)
tree08b22a99f5eb1927b2c68ea72df799d45e151776 /net/ipv6/ndisc.c
parent4f36ce84c54c971cd67c882035d9bde7b1a2ee53 (diff)
downloadlinux-8ec5da41502843947af0b09e795b19fc7a83edd8.tar.xz
ndisc: add __ndisc_fill_addr_option function
This patch adds __ndisc_fill_addr_option as low-level function for ndisc_fill_addr_option 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 'net/ipv6/ndisc.c')
-rw-r--r--net/ipv6/ndisc.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c245895a3d41..a7b9468e684a 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -150,11 +150,10 @@ struct neigh_table nd_tbl = {
};
EXPORT_SYMBOL_GPL(nd_tbl);
-static void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data)
+static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
+ int data_len, int pad)
{
- int pad = ndisc_addr_option_pad(skb->dev->type);
- int data_len = skb->dev->addr_len;
- int space = ndisc_opt_addr_space(skb->dev);
+ int space = __ndisc_opt_addr_space(data_len, pad);
u8 *opt = skb_put(skb, space);
opt[0] = type;
@@ -172,6 +171,13 @@ static void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data)
memset(opt, 0, space);
}
+static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
+ void *data)
+{
+ __ndisc_fill_addr_option(skb, type, data, skb->dev->addr_len,
+ ndisc_addr_option_pad(skb->dev->type));
+}
+
static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
struct nd_opt_hdr *end)
{