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-rw-r--r--kernel/include/net/cfg802154.h171
1 files changed, 171 insertions, 0 deletions
diff --git a/kernel/include/net/cfg802154.h b/kernel/include/net/cfg802154.h
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+++ b/kernel/include/net/cfg802154.h
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+/*
+ * Copyright (C) 2007, 2008, 2009 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Written by:
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#ifndef __NET_CFG802154_H
+#define __NET_CFG802154_H
+
+#include <linux/ieee802154.h>
+#include <linux/netdevice.h>
+#include <linux/mutex.h>
+#include <linux/bug.h>
+
+#include <net/nl802154.h>
+
+struct wpan_phy;
+struct wpan_phy_cca;
+
+struct cfg802154_ops {
+ struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
+ const char *name,
+ unsigned char name_assign_type,
+ int type);
+ void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
+ struct net_device *dev);
+ int (*add_virtual_intf)(struct wpan_phy *wpan_phy,
+ const char *name,
+ unsigned char name_assign_type,
+ enum nl802154_iftype type,
+ __le64 extended_addr);
+ int (*del_virtual_intf)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev);
+ 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_pan_id)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, __le16 pan_id);
+ int (*set_short_addr)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, __le16 short_addr);
+ int (*set_backoff_exponent)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, u8 min_be,
+ u8 max_be);
+ int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev,
+ u8 max_csma_backoffs);
+ int (*set_max_frame_retries)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev,
+ s8 max_frame_retries);
+ int (*set_lbt_mode)(struct wpan_phy *wpan_phy,
+ struct wpan_dev *wpan_dev, bool mode);
+};
+
+struct wpan_phy_cca {
+ enum nl802154_cca_modes mode;
+ enum nl802154_cca_opts opt;
+};
+
+struct wpan_phy {
+ struct mutex pib_lock;
+
+ /* 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
+ * or not. Assign this to something global to your driver to
+ * help determine whether you own this wpan_phy or not.
+ */
+ const void *privid;
+
+ /*
+ * This is a PIB according to 802.15.4-2011.
+ * We do not provide timing-related variables, as they
+ * aren't used outside of driver
+ */
+ u8 current_channel;
+ u8 current_page;
+ u32 channels_supported[IEEE802154_MAX_PAGE + 1];
+ s8 transmit_power;
+ struct wpan_phy_cca cca;
+
+ __le64 perm_extended_addr;
+
+ s32 cca_ed_level;
+
+ /* PHY depended MAC PIB values */
+
+ /* 802.15.4 acronym: Tdsym in usec */
+ u8 symbol_duration;
+ /* lifs and sifs periods timing */
+ u16 lifs_period;
+ u16 sifs_period;
+
+ struct device dev;
+
+ char priv[0] __aligned(NETDEV_ALIGN);
+};
+
+struct wpan_dev {
+ struct wpan_phy *wpan_phy;
+ int iftype;
+
+ /* the remainder of this struct should be private to cfg802154 */
+ struct list_head list;
+ struct net_device *netdev;
+
+ u32 identifier;
+
+ /* MAC PIB */
+ __le16 pan_id;
+ __le16 short_addr;
+ __le64 extended_addr;
+
+ /* MAC BSN field */
+ u8 bsn;
+ /* MAC DSN field */
+ u8 dsn;
+
+ u8 min_be;
+ u8 max_be;
+ u8 csma_retries;
+ s8 frame_retries;
+
+ bool lbt;
+
+ bool promiscuous_mode;
+};
+
+#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
+
+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)
+{
+ phy->dev.parent = dev;
+}
+
+int wpan_phy_register(struct wpan_phy *phy);
+void wpan_phy_unregister(struct wpan_phy *phy);
+void wpan_phy_free(struct wpan_phy *phy);
+/* Same semantics as for class_for_each_device */
+int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
+
+static inline void *wpan_phy_priv(struct wpan_phy *phy)
+{
+ BUG_ON(!phy);
+ return &phy->priv;
+}
+
+struct wpan_phy *wpan_phy_find(const char *str);
+
+static inline void wpan_phy_put(struct wpan_phy *phy)
+{
+ put_device(&phy->dev);
+}
+
+static inline const char *wpan_phy_name(struct wpan_phy *phy)
+{
+ return dev_name(&phy->dev);
+}
+
+#endif /* __NET_CFG802154_H */