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| author | YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> | 2013-01-21 07:47:56 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-21 19:33:14 +0100 |
| commit | c558e9fca876d6d0463a7c337d2291774b9c6f96 (patch) | |
| tree | 1ecd7e3bd777851a7e3ba4640111098a2a974a35 /include/net/ndisc.h | |
| parent | ndisc: Reduce number of arguments for ndisc_fill_addr_option(). (diff) | |
| download | linux-c558e9fca876d6d0463a7c337d2291774b9c6f96.tar.xz linux-c558e9fca876d6d0463a7c337d2291774b9c6f96.zip | |
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/net/ndisc.h')
| -rw-r--r-- | include/net/ndisc.h | 8 |
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; } |