diff options
| author | Alexander Aring <aar@pengutronix.de> | 2016-06-15 22:20:21 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-16 06:41:23 +0300 |
| commit | 8ec5da41502843947af0b09e795b19fc7a83edd8 (patch) | |
| tree | 08b22a99f5eb1927b2c68ea72df799d45e151776 /net/ipv6/ndisc.c | |
| parent | 4f36ce84c54c971cd67c882035d9bde7b1a2ee53 (diff) | |
| download | linux-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.c | 14 |
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) { |