These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / include / net / cfg802154.h
index 6ea16c8..171cd76 100644 (file)
 struct wpan_phy;
 struct wpan_phy_cca;
 
+#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+struct ieee802154_llsec_device_key;
+struct ieee802154_llsec_seclevel;
+struct ieee802154_llsec_params;
+struct ieee802154_llsec_device;
+struct ieee802154_llsec_table;
+struct ieee802154_llsec_key_id;
+struct ieee802154_llsec_key;
+#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
+
 struct cfg802154_ops {
        struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
                                                           const char *name,
@@ -34,6 +44,8 @@ struct cfg802154_ops {
                                                           int type);
        void    (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
                                               struct net_device *dev);
+       int     (*suspend)(struct wpan_phy *wpan_phy);
+       int     (*resume)(struct wpan_phy *wpan_phy);
        int     (*add_virtual_intf)(struct wpan_phy *wpan_phy,
                                    const char *name,
                                    unsigned char name_assign_type,
@@ -44,6 +56,8 @@ struct cfg802154_ops {
        int     (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
        int     (*set_cca_mode)(struct wpan_phy *wpan_phy,
                                const struct wpan_phy_cca *cca);
+       int     (*set_cca_ed_level)(struct wpan_phy *wpan_phy, s32 ed_level);
+       int     (*set_tx_power)(struct wpan_phy *wpan_phy, s32 power);
        int     (*set_pan_id)(struct wpan_phy *wpan_phy,
                              struct wpan_dev *wpan_dev, __le16 pan_id);
        int     (*set_short_addr)(struct wpan_phy *wpan_phy,
@@ -59,6 +73,81 @@ struct cfg802154_ops {
                                         s8 max_frame_retries);
        int     (*set_lbt_mode)(struct wpan_phy *wpan_phy,
                                struct wpan_dev *wpan_dev, bool mode);
+       int     (*set_ackreq_default)(struct wpan_phy *wpan_phy,
+                                     struct wpan_dev *wpan_dev, bool ackreq);
+#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+       void    (*get_llsec_table)(struct wpan_phy *wpan_phy,
+                                  struct wpan_dev *wpan_dev,
+                                  struct ieee802154_llsec_table **table);
+       void    (*lock_llsec_table)(struct wpan_phy *wpan_phy,
+                                   struct wpan_dev *wpan_dev);
+       void    (*unlock_llsec_table)(struct wpan_phy *wpan_phy,
+                                     struct wpan_dev *wpan_dev);
+       /* TODO remove locking/get table callbacks, this is part of the
+        * nl802154 interface and should be accessible from ieee802154 layer.
+        */
+       int     (*get_llsec_params)(struct wpan_phy *wpan_phy,
+                                   struct wpan_dev *wpan_dev,
+                                   struct ieee802154_llsec_params *params);
+       int     (*set_llsec_params)(struct wpan_phy *wpan_phy,
+                                   struct wpan_dev *wpan_dev,
+                                   const struct ieee802154_llsec_params *params,
+                                   int changed);
+       int     (*add_llsec_key)(struct wpan_phy *wpan_phy,
+                                struct wpan_dev *wpan_dev,
+                                const struct ieee802154_llsec_key_id *id,
+                                const struct ieee802154_llsec_key *key);
+       int     (*del_llsec_key)(struct wpan_phy *wpan_phy,
+                                struct wpan_dev *wpan_dev,
+                                const struct ieee802154_llsec_key_id *id);
+       int     (*add_seclevel)(struct wpan_phy *wpan_phy,
+                                struct wpan_dev *wpan_dev,
+                                const struct ieee802154_llsec_seclevel *sl);
+       int     (*del_seclevel)(struct wpan_phy *wpan_phy,
+                                struct wpan_dev *wpan_dev,
+                                const struct ieee802154_llsec_seclevel *sl);
+       int     (*add_device)(struct wpan_phy *wpan_phy,
+                             struct wpan_dev *wpan_dev,
+                             const struct ieee802154_llsec_device *dev);
+       int     (*del_device)(struct wpan_phy *wpan_phy,
+                             struct wpan_dev *wpan_dev, __le64 extended_addr);
+       int     (*add_devkey)(struct wpan_phy *wpan_phy,
+                             struct wpan_dev *wpan_dev,
+                             __le64 extended_addr,
+                             const struct ieee802154_llsec_device_key *key);
+       int     (*del_devkey)(struct wpan_phy *wpan_phy,
+                             struct wpan_dev *wpan_dev,
+                             __le64 extended_addr,
+                             const struct ieee802154_llsec_device_key *key);
+#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
+};
+
+static inline bool
+wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st)
+{
+       switch (st) {
+       case NL802154_SUPPORTED_BOOL_TRUE:
+               return b;
+       case NL802154_SUPPORTED_BOOL_FALSE:
+               return !b;
+       case NL802154_SUPPORTED_BOOL_BOTH:
+               return true;
+       default:
+               WARN_ON(1);
+       }
+
+       return false;
+}
+
+struct wpan_phy_supported {
+       u32 channels[IEEE802154_MAX_PAGE + 1],
+           cca_modes, cca_opts, iftypes;
+       enum nl802154_supported_bool_states lbt;
+       u8 min_minbe, max_minbe, min_maxbe, max_maxbe,
+          min_csma_backoffs, max_csma_backoffs;
+       s8 min_frame_retries, max_frame_retries;
+       size_t tx_powers_size, cca_ed_levels_size;
+       const s32 *tx_powers, *cca_ed_levels;
 };
 
 struct wpan_phy_cca {
@@ -66,9 +155,33 @@ struct wpan_phy_cca {
        enum nl802154_cca_opts opt;
 };
 
-struct wpan_phy {
-       struct mutex pib_lock;
+static inline bool
+wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b)
+{
+       if (a->mode != b->mode)
+               return false;
+
+       if (a->mode == NL802154_CCA_ENERGY_CARRIER)
+               return a->opt == b->opt;
+
+       return true;
+}
+
+/**
+ * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support
+ *     transmit power setting.
+ * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed
+ *     level setting.
+ * @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode
+ *     setting.
+ */
+enum wpan_phy_flags {
+       WPAN_PHY_FLAG_TXPOWER           = BIT(1),
+       WPAN_PHY_FLAG_CCA_ED_LEVEL      = BIT(2),
+       WPAN_PHY_FLAG_CCA_MODE          = BIT(3),
+};
 
+struct wpan_phy {
        /* If multiple wpan_phys are registered and you're handed e.g.
         * a regular netdev with assigned ieee802154_ptr, you won't
         * know whether it points to a wpan_phy your driver has registered
@@ -77,6 +190,8 @@ struct wpan_phy {
         */
        const void *privid;
 
+       u32 flags;
+
        /*
         * This is a PIB according to 802.15.4-2011.
         * We do not provide timing-related variables, as they
@@ -84,12 +199,14 @@ struct wpan_phy {
         */
        u8 current_channel;
        u8 current_page;
-       u32 channels_supported[IEEE802154_MAX_PAGE + 1];
-       s8 transmit_power;
+       struct wpan_phy_supported supported;
+       /* current transmit_power in mBm */
+       s32 transmit_power;
        struct wpan_phy_cca cca;
 
        __le64 perm_extended_addr;
 
+       /* current cca ed threshold in mBm */
        s32 cca_ed_level;
 
        /* PHY depended MAC PIB values */
@@ -105,6 +222,102 @@ struct wpan_phy {
        char priv[0] __aligned(NETDEV_ALIGN);
 };
 
+struct ieee802154_addr {
+       u8 mode;
+       __le16 pan_id;
+       union {
+               __le16 short_addr;
+               __le64 extended_addr;
+       };
+};
+
+struct ieee802154_llsec_key_id {
+       u8 mode;
+       u8 id;
+       union {
+               struct ieee802154_addr device_addr;
+               __le32 short_source;
+               __le64 extended_source;
+       };
+};
+
+#define IEEE802154_LLSEC_KEY_SIZE 16
+
+struct ieee802154_llsec_key {
+       u8 frame_types;
+       u32 cmd_frame_ids;
+       /* TODO replace with NL802154_KEY_SIZE */
+       u8 key[IEEE802154_LLSEC_KEY_SIZE];
+};
+
+struct ieee802154_llsec_key_entry {
+       struct list_head list;
+
+       struct ieee802154_llsec_key_id id;
+       struct ieee802154_llsec_key *key;
+};
+
+struct ieee802154_llsec_params {
+       bool enabled;
+
+       __be32 frame_counter;
+       u8 out_level;
+       struct ieee802154_llsec_key_id out_key;
+
+       __le64 default_key_source;
+
+       __le16 pan_id;
+       __le64 hwaddr;
+       __le64 coord_hwaddr;
+       __le16 coord_shortaddr;
+};
+
+struct ieee802154_llsec_table {
+       struct list_head keys;
+       struct list_head devices;
+       struct list_head security_levels;
+};
+
+struct ieee802154_llsec_seclevel {
+       struct list_head list;
+
+       u8 frame_type;
+       u8 cmd_frame_id;
+       bool device_override;
+       u32 sec_levels;
+};
+
+struct ieee802154_llsec_device {
+       struct list_head list;
+
+       __le16 pan_id;
+       __le16 short_addr;
+       __le64 hwaddr;
+       u32 frame_counter;
+       bool seclevel_exempt;
+
+       u8 key_mode;
+       struct list_head keys;
+};
+
+struct ieee802154_llsec_device_key {
+       struct list_head list;
+
+       struct ieee802154_llsec_key_id key_id;
+       u32 frame_counter;
+};
+
+struct wpan_dev_header_ops {
+       /* TODO create callback currently assumes ieee802154_mac_cb inside
+        * skb->cb. This should be changed to give these information as
+        * parameter.
+        */
+       int     (*create)(struct sk_buff *skb, struct net_device *dev,
+                         const struct ieee802154_addr *daddr,
+                         const struct ieee802154_addr *saddr,
+                         unsigned int len);
+};
+
 struct wpan_dev {
        struct wpan_phy *wpan_phy;
        int iftype;
@@ -113,6 +326,11 @@ struct wpan_dev {
        struct list_head list;
        struct net_device *netdev;
 
+       const struct wpan_dev_header_ops *header_ops;
+
+       /* lowpan interface, set when the wpan_dev belongs to one lowpan_dev */
+       struct net_device *lowpan_dev;
+
        u32 identifier;
 
        /* MAC PIB */
@@ -121,9 +339,9 @@ struct wpan_dev {
        __le64 extended_addr;
 
        /* MAC BSN field */
-       u8 bsn;
+       atomic_t bsn;
        /* MAC DSN field */
-       u8 dsn;
+       atomic_t dsn;
 
        u8 min_be;
        u8 max_be;
@@ -133,10 +351,24 @@ struct wpan_dev {
        bool lbt;
 
        bool promiscuous_mode;
+
+       /* fallback for acknowledgment bit setting */
+       bool ackreq;
 };
 
 #define to_phy(_dev)   container_of(_dev, struct wpan_phy, dev)
 
+static inline int
+wpan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
+                    const struct ieee802154_addr *daddr,
+                    const struct ieee802154_addr *saddr,
+                    unsigned int len)
+{
+       struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
+
+       return wpan_dev->header_ops->create(skb, dev, daddr, saddr, len);
+}
+
 struct wpan_phy *
 wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)