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authorAlexander Aring <aar@pengutronix.de>2016-06-15 21:20:24 +0200
committerDavid S. Miller <davem@davemloft.net>2016-06-15 20:41:23 -0700
commitcc84b3c6b48ae81748c5e25d3558872385196162 (patch)
treed21f368e427a3eddaacf7aa871309fe8d4c17d5f
parentf997c55c1dc8841b3ee4df0493d0ac7966d42165 (diff)
ipv6: export several functions
This patch exports some neighbour discovery functions which can be used by 6lowpan neighbour discovery ops functionality then. 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>
-rw-r--r--include/net/addrconf.h7
-rw-r--r--include/net/ndisc.h12
-rw-r--r--net/ipv6/addrconf.c15
-rw-r--r--net/ipv6/ndisc.c14
4 files changed, 29 insertions, 19 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index b1774eb03f37..9826d3a9464c 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -97,6 +97,13 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
void addrconf_add_linklocal(struct inet6_dev *idev,
const struct in6_addr *addr, u32 flags);
+int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
+ const struct prefix_info *pinfo,
+ struct inet6_dev *in6_dev,
+ const struct in6_addr *addr, int addr_type,
+ u32 addr_flags, bool sllao, bool tokenized,
+ __u32 valid_lft, u32 prefered_lft);
+
static inline int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
{
if (dev->addr_len != ETH_ALEN)
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index a5e276703cb3..3f0f41ddbeb0 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -53,6 +53,15 @@ enum {
#include <net/neighbour.h>
+/* Set to 3 to get tracing... */
+#define ND_DEBUG 1
+
+#define ND_PRINTK(val, level, fmt, ...) \
+do { \
+ if (val <= ND_DEBUG) \
+ net_##level##_ratelimited(fmt, ##__VA_ARGS__); \
+} while (0)
+
struct ctl_table;
struct inet6_dev;
struct net_device;
@@ -115,6 +124,9 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
u8 *opt, int opt_len,
struct ndisc_options *ndopts);
+void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
+ int data_len, int pad);
+
#define NDISC_OPS_REDIRECT_DATA_SPACE 2
/*
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index b6e9bdc610f2..6c8fc3f96b11 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2333,14 +2333,12 @@ static bool is_addr_mode_generate_stable(struct inet6_dev *idev)
idev->addr_gen_mode == IN6_ADDR_GEN_MODE_RANDOM;
}
-static int addrconf_prefix_rcv_add_addr(struct net *net,
- struct net_device *dev,
- const struct prefix_info *pinfo,
- struct inet6_dev *in6_dev,
- const struct in6_addr *addr,
- int addr_type, u32 addr_flags,
- bool sllao, bool tokenized,
- __u32 valid_lft, u32 prefered_lft)
+int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
+ const struct prefix_info *pinfo,
+ struct inet6_dev *in6_dev,
+ const struct in6_addr *addr, int addr_type,
+ u32 addr_flags, bool sllao, bool tokenized,
+ __u32 valid_lft, u32 prefered_lft)
{
struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1);
int create = 0, update_lft = 0;
@@ -2430,6 +2428,7 @@ static int addrconf_prefix_rcv_add_addr(struct net *net,
return 0;
}
+EXPORT_SYMBOL_GPL(addrconf_prefix_rcv_add_addr);
void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
{
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 2f4afd17954b..fe65cdc28a45 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -73,15 +73,6 @@
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
-/* Set to 3 to get tracing... */
-#define ND_DEBUG 1
-
-#define ND_PRINTK(val, level, fmt, ...) \
-do { \
- if (val <= ND_DEBUG) \
- net_##level##_ratelimited(fmt, ##__VA_ARGS__); \
-} while (0)
-
static u32 ndisc_hash(const void *pkey,
const struct net_device *dev,
__u32 *hash_rnd);
@@ -150,8 +141,8 @@ struct neigh_table nd_tbl = {
};
EXPORT_SYMBOL_GPL(nd_tbl);
-static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
- int data_len, int pad)
+void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
+ int data_len, int pad)
{
int space = __ndisc_opt_addr_space(data_len, pad);
u8 *opt = skb_put(skb, space);
@@ -170,6 +161,7 @@ static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
if (space > 0)
memset(opt, 0, space);
}
+EXPORT_SYMBOL_GPL(__ndisc_fill_addr_option);
static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
void *data, u8 icmp6_type)