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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /include/net/6lowpan.h
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'include/net/6lowpan.h')
-rw-r--r--include/net/6lowpan.h37
1 files changed, 34 insertions, 3 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h
index da3a77d25..da84cf920 100644
--- a/include/net/6lowpan.h
+++ b/include/net/6lowpan.h
@@ -58,6 +58,9 @@
#include <net/ipv6.h>
#include <net/net_namespace.h>
+/* special link-layer handling */
+#include <net/mac802154.h>
+
#define EUI64_ADDR_LEN 8
#define LOWPAN_NHC_MAX_ID_LEN 1
@@ -93,7 +96,7 @@ static inline bool lowpan_is_iphc(u8 dispatch)
}
#define LOWPAN_PRIV_SIZE(llpriv_size) \
- (sizeof(struct lowpan_priv) + llpriv_size)
+ (sizeof(struct lowpan_dev) + llpriv_size)
enum lowpan_lltypes {
LOWPAN_LLTYPE_BTLE,
@@ -129,7 +132,7 @@ lowpan_iphc_ctx_is_compression(const struct lowpan_iphc_ctx *ctx)
return test_bit(LOWPAN_IPHC_CTX_FLAG_COMPRESSION, &ctx->flags);
}
-struct lowpan_priv {
+struct lowpan_dev {
enum lowpan_lltypes lltype;
struct dentry *iface_debugfs;
struct lowpan_iphc_ctx_table ctx;
@@ -139,11 +142,23 @@ struct lowpan_priv {
};
static inline
-struct lowpan_priv *lowpan_priv(const struct net_device *dev)
+struct lowpan_dev *lowpan_dev(const struct net_device *dev)
{
return netdev_priv(dev);
}
+/* private device info */
+struct lowpan_802154_dev {
+ struct net_device *wdev; /* wpan device ptr */
+ u16 fragment_tag;
+};
+
+static inline struct
+lowpan_802154_dev *lowpan_802154_dev(const struct net_device *dev)
+{
+ return (struct lowpan_802154_dev *)lowpan_dev(dev)->priv;
+}
+
struct lowpan_802154_cb {
u16 d_tag;
unsigned int d_size;
@@ -157,6 +172,22 @@ struct lowpan_802154_cb *lowpan_802154_cb(const struct sk_buff *skb)
return (struct lowpan_802154_cb *)skb->cb;
}
+static inline void lowpan_iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr,
+ const void *lladdr)
+{
+ /* fe:80::XXXX:XXXX:XXXX:XXXX
+ * \_________________/
+ * hwaddr
+ */
+ ipaddr->s6_addr[0] = 0xFE;
+ ipaddr->s6_addr[1] = 0x80;
+ memcpy(&ipaddr->s6_addr[8], lladdr, EUI64_ADDR_LEN);
+ /* second bit-flip (Universe/Local)
+ * is done according RFC2464
+ */
+ ipaddr->s6_addr[8] ^= 0x02;
+}
+
#ifdef DEBUG
/* print data in line */
static inline void raw_dump_inline(const char *caller, char *msg,