Return-Path: From: Alexander Aring To: linux-wpan@vger.kernel.org Cc: kernel@pengutronix.de, marcel@holtmann.org, jukka.rissanen@linux.intel.com, hannes@stressinduktion.org, stefan@osg.samsung.com, mcr@sandelman.ca, werner@almesberger.net, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, Alexander Aring , "David S . Miller" , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Patrick McHardy Subject: [PATCHv2 bluetooth-next 08/10] ipv6: export ndisc functions Date: Wed, 20 Apr 2016 10:19:40 +0200 Message-Id: <1461140382-4784-9-git-send-email-aar@pengutronix.de> In-Reply-To: <1461140382-4784-1-git-send-email-aar@pengutronix.de> References: <1461140382-4784-1-git-send-email-aar@pengutronix.de> List-ID: This patch exports some neighbour discovery functions which can be used by 6lowpan neighbour discovery ops functionality then. Cc: David S. Miller Cc: Alexey Kuznetsov Cc: James Morris Cc: Hideaki YOSHIFUJI Cc: Patrick McHardy Signed-off-by: Alexander Aring --- include/net/ndisc.h | 16 ++++++++++++++++ net/ipv6/addrconf.c | 1 + net/ipv6/ndisc.c | 28 ++++++++++------------------ 3 files changed, 27 insertions(+), 18 deletions(-) diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 14ed016..35a4396 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -53,6 +53,15 @@ enum { #include +/* 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; @@ -267,6 +276,13 @@ int ndisc_late_init(void); void ndisc_late_cleanup(void); void ndisc_cleanup(void); +void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data, + int data_len); +struct sk_buff *ndisc_alloc_skb(struct net_device *dev, int len); +void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr, + const struct in6_addr *saddr); +int pndisc_is_router(const void *pkey, struct net_device *dev); + int ndisc_rcv(struct sk_buff *skb); void ndisc_send_rs(struct net_device *dev, diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a2ef04b..8f05ef8 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1775,6 +1775,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add return result; } +EXPORT_SYMBOL(ipv6_get_ifaddr); /* Gets referenced address, destroys ifaddr */ diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 297080a..dc8bfec 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -73,15 +73,6 @@ #include #include -/* 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) +void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data, + int data_len) { int pad = ndisc_addr_option_pad(skb->dev->type); int space = ndisc_opt_addr_space(skb->dev, data_len); @@ -171,6 +162,7 @@ static void ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data, if (space > 0) memset(opt, 0, space); } +EXPORT_SYMBOL(ndisc_fill_addr_option); static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur, struct nd_opt_hdr *end) @@ -378,8 +370,7 @@ static void pndisc_destructor(struct pneigh_entry *n) ipv6_dev_mc_dec(dev, &maddr); } -static struct sk_buff *ndisc_alloc_skb(struct net_device *dev, - int len) +struct sk_buff *ndisc_alloc_skb(struct net_device *dev, int len) { int hlen = LL_RESERVED_SPACE(dev); int tlen = dev->needed_tailroom; @@ -406,6 +397,7 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev, return skb; } +EXPORT_SYMBOL(ndisc_alloc_skb); static void ip6_nd_hdr(struct sk_buff *skb, const struct in6_addr *saddr, @@ -428,9 +420,8 @@ static void ip6_nd_hdr(struct sk_buff *skb, hdr->daddr = *daddr; } -static void ndisc_send_skb(struct sk_buff *skb, - const struct in6_addr *daddr, - const struct in6_addr *saddr) +void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr, + const struct in6_addr *saddr) { struct dst_entry *dst = skb_dst(skb); struct net *net = dev_net(skb->dev); @@ -479,6 +470,7 @@ static void ndisc_send_skb(struct sk_buff *skb, rcu_read_unlock(); } +EXPORT_SYMBOL(ndisc_send_skb); static void ip6_ndisc_send_na(struct net_device *dev, const struct in6_addr *daddr, @@ -692,8 +684,7 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb) } } -static int pndisc_is_router(const void *pkey, - struct net_device *dev) +int pndisc_is_router(const void *pkey, struct net_device *dev) { struct pneigh_entry *n; int ret = -1; @@ -706,6 +697,7 @@ static int pndisc_is_router(const void *pkey, return ret; } +EXPORT_SYMBOL(pndisc_is_router); static void ip6_ndisc_recv_ns(struct sk_buff *skb) { -- 2.8.0