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>
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@ -97,6 +97,13 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
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void addrconf_add_linklocal(struct inet6_dev *idev,
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void addrconf_add_linklocal(struct inet6_dev *idev,
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const struct in6_addr *addr, u32 flags);
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const struct in6_addr *addr, u32 flags);
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int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
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const struct prefix_info *pinfo,
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struct inet6_dev *in6_dev,
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const struct in6_addr *addr, int addr_type,
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u32 addr_flags, bool sllao, bool tokenized,
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__u32 valid_lft, u32 prefered_lft);
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static inline int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
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static inline int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
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{
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{
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if (dev->addr_len != ETH_ALEN)
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if (dev->addr_len != ETH_ALEN)
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@ -53,6 +53,15 @@ enum {
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#include <net/neighbour.h>
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#include <net/neighbour.h>
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/* Set to 3 to get tracing... */
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#define ND_DEBUG 1
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#define ND_PRINTK(val, level, fmt, ...) \
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do { \
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if (val <= ND_DEBUG) \
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net_##level##_ratelimited(fmt, ##__VA_ARGS__); \
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} while (0)
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struct ctl_table;
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struct ctl_table;
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struct inet6_dev;
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struct inet6_dev;
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struct net_device;
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struct net_device;
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@ -115,6 +124,9 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
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u8 *opt, int opt_len,
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u8 *opt, int opt_len,
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struct ndisc_options *ndopts);
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struct ndisc_options *ndopts);
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void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
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int data_len, int pad);
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#define NDISC_OPS_REDIRECT_DATA_SPACE 2
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#define NDISC_OPS_REDIRECT_DATA_SPACE 2
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/*
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/*
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@ -2333,14 +2333,12 @@ static bool is_addr_mode_generate_stable(struct inet6_dev *idev)
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idev->addr_gen_mode == IN6_ADDR_GEN_MODE_RANDOM;
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idev->addr_gen_mode == IN6_ADDR_GEN_MODE_RANDOM;
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}
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}
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static int addrconf_prefix_rcv_add_addr(struct net *net,
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int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
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struct net_device *dev,
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const struct prefix_info *pinfo,
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const struct prefix_info *pinfo,
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struct inet6_dev *in6_dev,
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struct inet6_dev *in6_dev,
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const struct in6_addr *addr, int addr_type,
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const struct in6_addr *addr,
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u32 addr_flags, bool sllao, bool tokenized,
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int addr_type, u32 addr_flags,
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__u32 valid_lft, u32 prefered_lft)
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bool sllao, bool tokenized,
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__u32 valid_lft, u32 prefered_lft)
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{
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{
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struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1);
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struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1);
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int create = 0, update_lft = 0;
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int create = 0, update_lft = 0;
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@ -2430,6 +2428,7 @@ static int addrconf_prefix_rcv_add_addr(struct net *net,
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return 0;
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return 0;
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}
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}
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EXPORT_SYMBOL_GPL(addrconf_prefix_rcv_add_addr);
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void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
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void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
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{
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{
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@ -73,15 +73,6 @@
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#include <linux/netfilter.h>
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#include <linux/netfilter.h>
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#include <linux/netfilter_ipv6.h>
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#include <linux/netfilter_ipv6.h>
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/* Set to 3 to get tracing... */
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#define ND_DEBUG 1
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#define ND_PRINTK(val, level, fmt, ...) \
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do { \
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if (val <= ND_DEBUG) \
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net_##level##_ratelimited(fmt, ##__VA_ARGS__); \
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} while (0)
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static u32 ndisc_hash(const void *pkey,
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static u32 ndisc_hash(const void *pkey,
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const struct net_device *dev,
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const struct net_device *dev,
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__u32 *hash_rnd);
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__u32 *hash_rnd);
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@ -150,8 +141,8 @@ struct neigh_table nd_tbl = {
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};
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};
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EXPORT_SYMBOL_GPL(nd_tbl);
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EXPORT_SYMBOL_GPL(nd_tbl);
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static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
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void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
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int data_len, int pad)
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int data_len, int pad)
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{
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{
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int space = __ndisc_opt_addr_space(data_len, pad);
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int space = __ndisc_opt_addr_space(data_len, pad);
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u8 *opt = skb_put(skb, space);
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u8 *opt = skb_put(skb, space);
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@ -170,6 +161,7 @@ static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
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if (space > 0)
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if (space > 0)
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memset(opt, 0, space);
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memset(opt, 0, space);
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}
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}
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EXPORT_SYMBOL_GPL(__ndisc_fill_addr_option);
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static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
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static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
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void *data, u8 icmp6_type)
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void *data, u8 icmp6_type)
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