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tc_act	[ DIR ]	drwxr-xr-x
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mac80211.h	266.84 KB	-rw-r--r--
mac802154.h	14.88 KB	-rw-r--r--
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netevent.h	1.02 KB	-rw-r--r--
netlabel.h	20.19 KB	-rw-r--r--
netlink.h	60.21 KB	-rw-r--r--
netprio_cgroup.h	1.02 KB	-rw-r--r--
netrom.h	7.71 KB	-rw-r--r--
nexthop.h	12.27 KB	-rw-r--r--
nl802154.h	12.09 KB	-rw-r--r--
nsh.h	12.31 KB	-rw-r--r--
p8022.h	447 B	-rw-r--r--
page_pool.h	8.88 KB	-rw-r--r--
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ping.h	2.9 KB	-rw-r--r--
pkt_cls.h	23.86 KB	-rw-r--r--
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protocol.h	4 KB	-rw-r--r--
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raw.h	2.08 KB	-rw-r--r--
rawv6.h	854 B	-rw-r--r--
red.h	11.38 KB	-rw-r--r--
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snmp.h	5.14 KB	-rw-r--r--
sock.h	79.96 KB	-rw-r--r--
sock_reuseport.h	1.74 KB	-rw-r--r--
stp.h	383 B	-rw-r--r--
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tcp.h	71.78 KB	-rw-r--r--
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timewait_sock.h	925 B	-rw-r--r--
tipc.h	2.35 KB	-rw-r--r--
tls.h	20.91 KB	-rw-r--r--
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tso.h	566 B	-rw-r--r--
tun_proto.h	988 B	-rw-r--r--
udp.h	16.42 KB	-rw-r--r--
udp_tunnel.h	11.75 KB	-rw-r--r--
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vsock_addr.h	662 B	-rw-r--r--
vxlan.h	13.91 KB	-rw-r--r--
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xdp_sock.h	2.04 KB	-rw-r--r--
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xfrm.h	55.02 KB	-rw-r--r--
xsk_buff_pool.h	4.98 KB	-rw-r--r--

Code Editor : ieee802154_netdev.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * An interface between IEEE802.15.4 device and rest of the kernel.
 *
 * Copyright (C) 2007-2012 Siemens AG
 *
 * Written by:
 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
 * Maxim Osipov <maxim.osipov@siemens.com>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
 */

#ifndef IEEE802154_NETDEVICE_H
#define IEEE802154_NETDEVICE_H

#include <net/af_ieee802154.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/ieee802154.h>

#include <net/cfg802154.h>

struct ieee802154_sechdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 level:3,
	   key_id_mode:2,
	   reserved:3;
#elif defined(__BIG_ENDIAN_BITFIELD)
	u8 reserved:3,
	   key_id_mode:2,
	   level:3;
#else
#error	"Please fix <asm/byteorder.h>"
#endif
	u8 key_id;
	__le32 frame_counter;
	union {
		__le32 short_src;
		__le64 extended_src;
	};
};

struct ieee802154_hdr_fc {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u16 type:3,
	    security_enabled:1,
	    frame_pending:1,
	    ack_request:1,
	    intra_pan:1,
	    reserved:3,
	    dest_addr_mode:2,
	    version:2,
	    source_addr_mode:2;
#elif defined(__BIG_ENDIAN_BITFIELD)
	u16 reserved:1,
	    intra_pan:1,
	    ack_request:1,
	    frame_pending:1,
	    security_enabled:1,
	    type:3,
	    source_addr_mode:2,
	    version:2,
	    dest_addr_mode:2,
	    reserved2:2;
#else
#error	"Please fix <asm/byteorder.h>"
#endif
};

struct ieee802154_hdr {
	struct ieee802154_hdr_fc fc;
	u8 seq;
	struct ieee802154_addr source;
	struct ieee802154_addr dest;
	struct ieee802154_sechdr sec;
};

/* pushes hdr onto the skb. fields of hdr->fc that can be calculated from
 * the contents of hdr will be, and the actual value of those bits in
 * hdr->fc will be ignored. this includes the INTRA_PAN bit and the frame
 * version, if SECEN is set.
 */
int ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr);

/* pulls the entire 802.15.4 header off of the skb, including the security
 * header, and performs pan id decompression
 */
int ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr);

/* parses the frame control, sequence number of address fields in a given skb
 * and stores them into hdr, performing pan id decompression and length checks
 * to be suitable for use in header_ops.parse
 */
int ieee802154_hdr_peek_addrs(const struct sk_buff *skb,
			      struct ieee802154_hdr *hdr);

/* parses the full 802.15.4 header a given skb and stores them into hdr,
 * performing pan id decompression and length checks to be suitable for use in
 * header_ops.parse
 */
int ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr);

int ieee802154_max_payload(const struct ieee802154_hdr *hdr);

static inline int
ieee802154_sechdr_authtag_len(const struct ieee802154_sechdr *sec)
{
	switch (sec->level) {
	case IEEE802154_SCF_SECLEVEL_MIC32:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC32:
		return 4;
	case IEEE802154_SCF_SECLEVEL_MIC64:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC64:
		return 8;
	case IEEE802154_SCF_SECLEVEL_MIC128:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC128:
		return 16;
	case IEEE802154_SCF_SECLEVEL_NONE:
	case IEEE802154_SCF_SECLEVEL_ENC:
	default:
		return 0;
	}
}

static inline int ieee802154_hdr_length(struct sk_buff *skb)
{
	struct ieee802154_hdr hdr;
	int len = ieee802154_hdr_pull(skb, &hdr);

if (len > 0)
		skb_push(skb, len);

return len;
}

static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1,
					 const struct ieee802154_addr *a2)
{
	if (a1->pan_id != a2->pan_id || a1->mode != a2->mode)
		return false;

if ((a1->mode == IEEE802154_ADDR_LONG &&
	     a1->extended_addr != a2->extended_addr) ||
	    (a1->mode == IEEE802154_ADDR_SHORT &&
	     a1->short_addr != a2->short_addr))
		return false;

return true;
}

static inline __le64 ieee802154_devaddr_from_raw(const void *raw)
{
	u64 temp;

memcpy(&temp, raw, IEEE802154_ADDR_LEN);
	return (__force __le64)swab64(temp);
}

static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
{
	u64 temp = swab64((__force u64)addr);

memcpy(raw, &temp, IEEE802154_ADDR_LEN);
}

static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
					   const struct ieee802154_addr_sa *sa)
{
	a->mode = sa->addr_type;
	a->pan_id = cpu_to_le16(sa->pan_id);

switch (a->mode) {
	case IEEE802154_ADDR_SHORT:
		a->short_addr = cpu_to_le16(sa->short_addr);
		break;
	case IEEE802154_ADDR_LONG:
		a->extended_addr = ieee802154_devaddr_from_raw(sa->hwaddr);
		break;
	}
}

static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa,
					 const struct ieee802154_addr *a)
{
	sa->addr_type = a->mode;
	sa->pan_id = le16_to_cpu(a->pan_id);

switch (a->mode) {
	case IEEE802154_ADDR_SHORT:
		sa->short_addr = le16_to_cpu(a->short_addr);
		break;
	case IEEE802154_ADDR_LONG:
		ieee802154_devaddr_to_raw(sa->hwaddr, a->extended_addr);
		break;
	}
}

/*
 * A control block of skb passed between the ARPHRD_IEEE802154 device
 * and other stack parts.
 */
struct ieee802154_mac_cb {
	u8 lqi;
	u8 type;
	bool ackreq;
	bool secen;
	bool secen_override;
	u8 seclevel;
	bool seclevel_override;
	struct ieee802154_addr source;
	struct ieee802154_addr dest;
};

static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
{
	return (struct ieee802154_mac_cb *)skb->cb;
}

static inline struct ieee802154_mac_cb *mac_cb_init(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct ieee802154_mac_cb) > sizeof(skb->cb));

memset(skb->cb, 0, sizeof(struct ieee802154_mac_cb));
	return mac_cb(skb);
}

enum {
	IEEE802154_LLSEC_DEVKEY_IGNORE,
	IEEE802154_LLSEC_DEVKEY_RESTRICT,
	IEEE802154_LLSEC_DEVKEY_RECORD,

__IEEE802154_LLSEC_DEVKEY_MAX,
};

#define IEEE802154_MAC_SCAN_ED		0
#define IEEE802154_MAC_SCAN_ACTIVE	1
#define IEEE802154_MAC_SCAN_PASSIVE	2
#define IEEE802154_MAC_SCAN_ORPHAN	3

struct ieee802154_mac_params {
	s8 transmit_power;
	u8 min_be;
	u8 max_be;
	u8 csma_retries;
	s8 frame_retries;

bool lbt;
	struct wpan_phy_cca cca;
	s32 cca_ed_level;
};

struct wpan_phy;

enum {
	IEEE802154_LLSEC_PARAM_ENABLED		= BIT(0),
	IEEE802154_LLSEC_PARAM_FRAME_COUNTER	= BIT(1),
	IEEE802154_LLSEC_PARAM_OUT_LEVEL	= BIT(2),
	IEEE802154_LLSEC_PARAM_OUT_KEY		= BIT(3),
	IEEE802154_LLSEC_PARAM_KEY_SOURCE	= BIT(4),
	IEEE802154_LLSEC_PARAM_PAN_ID		= BIT(5),
	IEEE802154_LLSEC_PARAM_HWADDR		= BIT(6),
	IEEE802154_LLSEC_PARAM_COORD_HWADDR	= BIT(7),
	IEEE802154_LLSEC_PARAM_COORD_SHORTADDR	= BIT(8),
};

struct ieee802154_llsec_ops {
	int (*get_params)(struct net_device *dev,
			  struct ieee802154_llsec_params *params);
	int (*set_params)(struct net_device *dev,
			  const struct ieee802154_llsec_params *params,
			  int changed);

int (*add_key)(struct net_device *dev,
		       const struct ieee802154_llsec_key_id *id,
		       const struct ieee802154_llsec_key *key);
	int (*del_key)(struct net_device *dev,
		       const struct ieee802154_llsec_key_id *id);

int (*add_dev)(struct net_device *dev,
		       const struct ieee802154_llsec_device *llsec_dev);
	int (*del_dev)(struct net_device *dev, __le64 dev_addr);

int (*add_devkey)(struct net_device *dev,
			  __le64 device_addr,
			  const struct ieee802154_llsec_device_key *key);
	int (*del_devkey)(struct net_device *dev,
			  __le64 device_addr,
			  const struct ieee802154_llsec_device_key *key);

int (*add_seclevel)(struct net_device *dev,
			    const struct ieee802154_llsec_seclevel *sl);
	int (*del_seclevel)(struct net_device *dev,
			    const struct ieee802154_llsec_seclevel *sl);

void (*lock_table)(struct net_device *dev);
	void (*get_table)(struct net_device *dev,
			  struct ieee802154_llsec_table **t);
	void (*unlock_table)(struct net_device *dev);
};
/*
 * This should be located at net_device->ml_priv
 *
 * get_phy should increment the reference counting on returned phy.
 * Use wpan_wpy_put to put that reference.
 */
struct ieee802154_mlme_ops {
	/* The following fields are optional (can be NULL). */

int (*assoc_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 channel, u8 page, u8 cap);
	int (*assoc_resp)(struct net_device *dev,
			struct ieee802154_addr *addr,
			__le16 short_addr, u8 status);
	int (*disassoc_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 reason);
	int (*start_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
			u8 pan_coord, u8 blx, u8 coord_realign);
	int (*scan_req)(struct net_device *dev,
			u8 type, u32 channels, u8 page, u8 duration);

int (*set_mac_params)(struct net_device *dev,
			      const struct ieee802154_mac_params *params);
	void (*get_mac_params)(struct net_device *dev,
			       struct ieee802154_mac_params *params);

const struct ieee802154_llsec_ops *llsec;
};

static inline struct ieee802154_mlme_ops *
ieee802154_mlme_ops(const struct net_device *dev)
{
	return dev->ml_priv;
}

#endif

${this.title}

Code Editor : ieee802154_netdev.h