FM / net

/usr/src/linux-headers-5.15.0-181/include/net/

/usr/src/linux-headers-5.15.0-181/include/net

Name	Size	Mode	Actions
9p/	-	0755	rm
bluetooth/	-	0755	rm
caif/	-	0755	rm
iucv/	-	0755	rm
netfilter/	-	0755	rm
netns/	-	0755	rm
nfc/	-	0755	rm
phonet/	-	0755	rm
sctp/	-	0755	rm
tc_act/	-	0755	rm
6lowpan.h	10270	0644	edit dl rm
act_api.h	8647	0644	edit dl rm
addrconf.h	14594	0644	edit dl rm
af_ieee802154.h	1220	0644	edit dl rm
af_rxrpc.h	2798	0644	edit dl rm
af_unix.h	3375	0644	edit dl rm
af_vsock.h	7592	0644	edit dl rm
ah.h	382	0644	edit dl rm
arp.h	2141	0644	edit dl rm
atmclip.h	1515	0644	edit dl rm
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bpf_sk_storage.h	1780	0644	edit dl rm
busy_poll.h	3959	0644	edit dl rm
calipso.h	1590	0644	edit dl rm
cfg80211-wext.h	1854	0644	edit dl rm
cfg80211.h	301317	0644	edit dl rm
cfg802154.h	10779	0644	edit dl rm
checksum.h	4869	0644	edit dl rm
cipso_ipv4.h	7548	0644	edit dl rm
cls_cgroup.h	2086	0644	edit dl rm
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gue.h	3313	0644	edit dl rm
hwbm.h	969	0644	edit dl rm
icmp.h	1918	0644	edit dl rm
ieee80211_radiotap.h	13518	0644	edit dl rm
ieee802154_netdev.h	10095	0644	edit dl rm
ife.h	1057	0644	edit dl rm
if_inet6.h	6692	0644	edit dl rm
ila.h	291	0644	edit dl rm
inet6_connection_sock.h	765	0644	edit dl rm
inet6_hashtables.h	4259	0644	edit dl rm
inetpeer.h	3372	0644	edit dl rm
inet_common.h	2614	0644	edit dl rm
inet_connection_sock.h	11519	0644	edit dl rm
inet_ecn.h	7625	0644	edit dl rm
inet_frag.h	5046	0644	edit dl rm
inet_hashtables.h	12532	0644	edit dl rm
inet_sock.h	9994	0644	edit dl rm
inet_timewait_sock.h	3735	0644	edit dl rm
ioam6.h	1199	0644	edit dl rm
ip.h	22759	0644	edit dl rm
ip6_checksum.h	2770	0644	edit dl rm
ip6_fib.h	16280	0644	edit dl rm
ip6_route.h	10230	0644	edit dl rm
ip6_tunnel.h	5096	0644	edit dl rm
ipcomp.h	659	0644	edit dl rm
ipconfig.h	811	0644	edit dl rm
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iw_handler.h	21413	0644	edit dl rm
kcm.h	4961	0644	edit dl rm
l3mdev.h	7202	0644	edit dl rm
lag.h	409	0644	edit dl rm
lapb.h	4938	0644	edit dl rm
lib80211.h	4017	0644	edit dl rm
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lwtunnel.h	6806	0644	edit dl rm
mac80211.h	273972	0644	edit dl rm
mac802154.h	15235	0644	edit dl rm
macsec.h	7084	0644	edit dl rm
mctp.h	6155	0644	edit dl rm
mctpdevice.h	841	0644	edit dl rm
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netevent.h	1044	0644	edit dl rm
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netprio_cgroup.h	1047	0644	edit dl rm
netrom.h	7895	0644	edit dl rm
net_failover.h	1023	0644	edit dl rm
net_namespace.h	12795	0644	edit dl rm
net_ratelimit.h	220	0644	edit dl rm
nexthop.h	12565	0644	edit dl rm
nl802154.h	12384	0644	edit dl rm
nsh.h	12602	0644	edit dl rm
p8022.h	447	0644	edit dl rm
page_pool.h	8646	0644	edit dl rm
pie.h	3684	0644	edit dl rm
ping.h	2970	0644	edit dl rm
pkt_cls.h	24431	0644	edit dl rm
pkt_sched.h	6042	0644	edit dl rm
pptp.h	557	0644	edit dl rm
protocol.h	3900	0644	edit dl rm
psample.h	1083	0644	edit dl rm
psnap.h	351	0644	edit dl rm
raw.h	2136	0644	edit dl rm
rawv6.h	854	0644	edit dl rm
red.h	11654	0644	edit dl rm
regulatory.h	10901	0644	edit dl rm
request_sock.h	6660	0644	edit dl rm
rose.h	7802	0644	edit dl rm
route.h	11582	0644	edit dl rm
rpl.h	839	0644	edit dl rm
rsi_91x.h	1710	0644	edit dl rm
rtnetlink.h	7638	0644	edit dl rm
rtnh.h	859	0644	edit dl rm
sch_generic.h	34720	0644	edit dl rm
scm.h	3877	0644	edit dl rm
secure_seq.h	855	0644	edit dl rm
seg6.h	2237	0644	edit dl rm
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seg6_local.h	644	0644	edit dl rm
selftests.h	582	0644	edit dl rm
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smc.h	2513	0644	edit dl rm
snmp.h	5268	0644	edit dl rm
sock.h	86351	0644	edit dl rm
sock_reuseport.h	1873	0644	edit dl rm
Space.h	737	0644	edit dl rm
stp.h	383	0644	edit dl rm
strparser.h	4250	0644	edit dl rm
switchdev.h	14614	0644	edit dl rm
tcp.h	75246	0644	edit dl rm
tcp_states.h	1225	0644	edit dl rm
timewait_sock.h	925	0644	edit dl rm
tipc.h	2405	0644	edit dl rm
tls.h	21465	0644	edit dl rm
tls_toe.h	3006	0644	edit dl rm
transp_v6.h	1996	0644	edit dl rm
tso.h	566	0644	edit dl rm
tun_proto.h	988	0644	edit dl rm
udp.h	17035	0644	edit dl rm
udplite.h	3762	0644	edit dl rm
udp_tunnel.h	12201	0644	edit dl rm
vsock_addr.h	662	0644	edit dl rm
vxlan.h	14424	0644	edit dl rm
wext.h	1510	0644	edit dl rm
x25.h	9718	0644	edit dl rm
x25device.h	387	0644	edit dl rm
xdp.h	8829	0644	edit dl rm
xdp_priv.h	446	0644	edit dl rm
xdp_sock.h	2094	0644	edit dl rm
xdp_sock_drv.h	5607	0644	edit dl rm
xfrm.h	56304	0644	edit dl rm
xsk_buff_pool.h	5138	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/net/mac802154.h (15235B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * IEEE802.15.4-2003 specification
 *
 * Copyright (C) 2007-2012 Siemens AG
 */
#ifndef NET_MAC802154_H
#define NET_MAC802154_H

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

#include <net/cfg802154.h>

/**
 * enum ieee802154_hw_addr_filt_flags - hardware address filtering flags
 *
 * The following flags are used to indicate changed address settings from
 * the stack to the hardware.
 *
 * @IEEE802154_AFILT_SADDR_CHANGED: Indicates that the short address will be
 *	change.
 *
 * @IEEE802154_AFILT_IEEEADDR_CHANGED: Indicates that the extended address
 *	will be change.
 *
 * @IEEE802154_AFILT_PANID_CHANGED: Indicates that the pan id will be change.
 *
 * @IEEE802154_AFILT_PANC_CHANGED: Indicates that the address filter will
 *	do frame address filtering as a pan coordinator.
 */
enum ieee802154_hw_addr_filt_flags {
	IEEE802154_AFILT_SADDR_CHANGED		= BIT(0),
	IEEE802154_AFILT_IEEEADDR_CHANGED	= BIT(1),
	IEEE802154_AFILT_PANID_CHANGED		= BIT(2),
	IEEE802154_AFILT_PANC_CHANGED		= BIT(3),
};

/**
 * struct ieee802154_hw_addr_filt - hardware address filtering settings
 *
 * @pan_id: pan_id which should be set to the hardware address filter.
 *
 * @short_addr: short_addr which should be set to the hardware address filter.
 *
 * @ieee_addr: extended address which should be set to the hardware address
 *	filter.
 *
 * @pan_coord: boolean if hardware filtering should be operate as coordinator.
 */
struct ieee802154_hw_addr_filt {
	__le16	pan_id;
	__le16	short_addr;
	__le64	ieee_addr;
	bool	pan_coord;
};

/**
 * struct ieee802154_hw - ieee802154 hardware
 *
 * @extra_tx_headroom: headroom to reserve in each transmit skb for use by the
 *	driver (e.g. for transmit headers.)
 *
 * @flags: hardware flags, see &enum ieee802154_hw_flags
 *
 * @parent: parent device of the hardware.
 *
 * @priv: pointer to private area that was allocated for driver use along with
 *	this structure.
 *
 * @phy: This points to the &struct wpan_phy allocated for this 802.15.4 PHY.
 */
struct ieee802154_hw {
	/* filled by the driver */
	int	extra_tx_headroom;
	u32	flags;
	struct	device *parent;
	void	*priv;

/* filled by mac802154 core */
	struct	wpan_phy *phy;
};

/**
 * enum ieee802154_hw_flags - hardware flags
 *
 * These flags are used to indicate hardware capabilities to
 * the stack. Generally, flags here should have their meaning
 * done in a way that the simplest hardware doesn't need setting
 * any particular flags. There are some exceptions to this rule,
 * however, so you are advised to review these flags carefully.
 *
 * @IEEE802154_HW_TX_OMIT_CKSUM: Indicates that xmitter will add FCS on it's
 *	own.
 *
 * @IEEE802154_HW_LBT: Indicates that transceiver will support listen before
 *	transmit.
 *
 * @IEEE802154_HW_CSMA_PARAMS: Indicates that transceiver will support csma
 *	parameters (max_be, min_be, backoff exponents).
 *
 * @IEEE802154_HW_FRAME_RETRIES: Indicates that transceiver will support ARET
 *	frame retries setting.
 *
 * @IEEE802154_HW_AFILT: Indicates that transceiver will support hardware
 *	address filter setting.
 *
 * @IEEE802154_HW_PROMISCUOUS: Indicates that transceiver will support
 *	promiscuous mode setting.
 *
 * @IEEE802154_HW_RX_OMIT_CKSUM: Indicates that receiver omits FCS.
 *
 * @IEEE802154_HW_RX_DROP_BAD_CKSUM: Indicates that receiver will not filter
 *	frames with bad checksum.
 */
enum ieee802154_hw_flags {
	IEEE802154_HW_TX_OMIT_CKSUM	= BIT(0),
	IEEE802154_HW_LBT		= BIT(1),
	IEEE802154_HW_CSMA_PARAMS	= BIT(2),
	IEEE802154_HW_FRAME_RETRIES	= BIT(3),
	IEEE802154_HW_AFILT		= BIT(4),
	IEEE802154_HW_PROMISCUOUS	= BIT(5),
	IEEE802154_HW_RX_OMIT_CKSUM	= BIT(6),
	IEEE802154_HW_RX_DROP_BAD_CKSUM	= BIT(7),
};

/* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */
#define IEEE802154_HW_OMIT_CKSUM	(IEEE802154_HW_TX_OMIT_CKSUM | \
					 IEEE802154_HW_RX_OMIT_CKSUM)

/* struct ieee802154_ops - callbacks from mac802154 to the driver
 *
 * This structure contains various callbacks that the driver may
 * handle or, in some cases, must handle, for example to transmit
 * a frame.
 *
 * start: Handler that 802.15.4 module calls for device initialization.
 *	  This function is called before the first interface is attached.
 *
 * stop:  Handler that 802.15.4 module calls for device cleanup.
 *	  This function is called after the last interface is removed.
 *
 * xmit_sync:
 *	  Handler that 802.15.4 module calls for each transmitted frame.
 *	  skb cntains the buffer starting from the IEEE 802.15.4 header.
 *	  The low-level driver should send the frame based on available
 *	  configuration. This is called by a workqueue and useful for
 *	  synchronous 802.15.4 drivers.
 *	  This function should return zero or negative errno.
 *
 *	  WARNING:
 *	  This will be deprecated soon. We don't accept synced xmit callbacks
 *	  drivers anymore.
 *
 * xmit_async:
 *	  Handler that 802.15.4 module calls for each transmitted frame.
 *	  skb cntains the buffer starting from the IEEE 802.15.4 header.
 *	  The low-level driver should send the frame based on available
 *	  configuration.
 *	  This function should return zero or negative errno.
 *
 * ed:    Handler that 802.15.4 module calls for Energy Detection.
 *	  This function should place the value for detected energy
 *	  (usually device-dependant) in the level pointer and return
 *	  either zero or negative errno. Called with pib_lock held.
 *
 * set_channel:
 * 	  Set radio for listening on specific channel.
 *	  Set the device for listening on specified channel.
 *	  Returns either zero, or negative errno. Called with pib_lock held.
 *
 * set_hw_addr_filt:
 *	  Set radio for listening on specific address.
 *	  Set the device for listening on specified address.
 *	  Returns either zero, or negative errno.
 *
 * set_txpower:
 *	  Set radio transmit power in mBm. Called with pib_lock held.
 *	  Returns either zero, or negative errno.
 *
 * set_lbt
 *	  Enables or disables listen before talk on the device. Called with
 *	  pib_lock held.
 *	  Returns either zero, or negative errno.
 *
 * set_cca_mode
 *	  Sets the CCA mode used by the device. Called with pib_lock held.
 *	  Returns either zero, or negative errno.
 *
 * set_cca_ed_level
 *	  Sets the CCA energy detection threshold in mBm. Called with pib_lock
 *	  held.
 *	  Returns either zero, or negative errno.
 *
 * set_csma_params
 *	  Sets the CSMA parameter set for the PHY. Called with pib_lock held.
 *	  Returns either zero, or negative errno.
 *
 * set_frame_retries
 *	  Sets the retransmission attempt limit. Called with pib_lock held.
 *	  Returns either zero, or negative errno.
 *
 * set_promiscuous_mode
 *	  Enables or disable promiscuous mode.
 */
struct ieee802154_ops {
	struct module	*owner;
	int		(*start)(struct ieee802154_hw *hw);
	void		(*stop)(struct ieee802154_hw *hw);
	int		(*xmit_sync)(struct ieee802154_hw *hw,
				     struct sk_buff *skb);
	int		(*xmit_async)(struct ieee802154_hw *hw,
				      struct sk_buff *skb);
	int		(*ed)(struct ieee802154_hw *hw, u8 *level);
	int		(*set_channel)(struct ieee802154_hw *hw, u8 page,
				       u8 channel);
	int		(*set_hw_addr_filt)(struct ieee802154_hw *hw,
					    struct ieee802154_hw_addr_filt *filt,
					    unsigned long changed);
	int		(*set_txpower)(struct ieee802154_hw *hw, s32 mbm);
	int		(*set_lbt)(struct ieee802154_hw *hw, bool on);
	int		(*set_cca_mode)(struct ieee802154_hw *hw,
					const struct wpan_phy_cca *cca);
	int		(*set_cca_ed_level)(struct ieee802154_hw *hw, s32 mbm);
	int		(*set_csma_params)(struct ieee802154_hw *hw,
					   u8 min_be, u8 max_be, u8 retries);
	int		(*set_frame_retries)(struct ieee802154_hw *hw,
					     s8 retries);
	int             (*set_promiscuous_mode)(struct ieee802154_hw *hw,
						const bool on);
};

/**
 * ieee802154_get_fc_from_skb - get the frame control field from an skb
 * @skb: skb where the frame control field will be get from
 */
static inline __le16 ieee802154_get_fc_from_skb(const struct sk_buff *skb)
{
	__le16 fc;

/* check if we can fc at skb_mac_header of sk buffer */
	if (WARN_ON(!skb_mac_header_was_set(skb) ||
		    (skb_tail_pointer(skb) -
		     skb_mac_header(skb)) < IEEE802154_FC_LEN))
		return cpu_to_le16(0);

memcpy(&fc, skb_mac_header(skb), IEEE802154_FC_LEN);
	return fc;
}

/**
 * ieee802154_skb_dst_pan - get the pointer to destination pan field
 * @fc: mac header frame control field
 * @skb: skb where the destination pan pointer will be get from
 */
static inline unsigned char *ieee802154_skb_dst_pan(__le16 fc,
						    const struct sk_buff *skb)
{
	unsigned char *dst_pan;

switch (ieee802154_daddr_mode(fc)) {
	case cpu_to_le16(IEEE802154_FCTL_ADDR_NONE):
		dst_pan = NULL;
		break;
	case cpu_to_le16(IEEE802154_FCTL_DADDR_SHORT):
	case cpu_to_le16(IEEE802154_FCTL_DADDR_EXTENDED):
		dst_pan = skb_mac_header(skb) +
			  IEEE802154_FC_LEN +
			  IEEE802154_SEQ_LEN;
		break;
	default:
		WARN_ONCE(1, "invalid addr mode detected");
		dst_pan = NULL;
		break;
	}

return dst_pan;
}

/**
 * ieee802154_skb_src_pan - get the pointer to source pan field
 * @fc: mac header frame control field
 * @skb: skb where the source pan pointer will be get from
 */
static inline unsigned char *ieee802154_skb_src_pan(__le16 fc,
						    const struct sk_buff *skb)
{
	unsigned char *src_pan;

switch (ieee802154_saddr_mode(fc)) {
	case cpu_to_le16(IEEE802154_FCTL_ADDR_NONE):
		src_pan = NULL;
		break;
	case cpu_to_le16(IEEE802154_FCTL_SADDR_SHORT):
	case cpu_to_le16(IEEE802154_FCTL_SADDR_EXTENDED):
		/* if intra-pan and source addr mode is non none,
		 * then source pan id is equal destination pan id.
		 */
		if (ieee802154_is_intra_pan(fc)) {
			src_pan = ieee802154_skb_dst_pan(fc, skb);
			break;
		}

switch (ieee802154_daddr_mode(fc)) {
		case cpu_to_le16(IEEE802154_FCTL_ADDR_NONE):
			src_pan = skb_mac_header(skb) +
				  IEEE802154_FC_LEN +
				  IEEE802154_SEQ_LEN;
			break;
		case cpu_to_le16(IEEE802154_FCTL_DADDR_SHORT):
			src_pan = skb_mac_header(skb) +
				  IEEE802154_FC_LEN +
				  IEEE802154_SEQ_LEN +
				  IEEE802154_PAN_ID_LEN +
				  IEEE802154_SHORT_ADDR_LEN;
			break;
		case cpu_to_le16(IEEE802154_FCTL_DADDR_EXTENDED):
			src_pan = skb_mac_header(skb) +
				  IEEE802154_FC_LEN +
				  IEEE802154_SEQ_LEN +
				  IEEE802154_PAN_ID_LEN +
				  IEEE802154_EXTENDED_ADDR_LEN;
			break;
		default:
			WARN_ONCE(1, "invalid addr mode detected");
			src_pan = NULL;
			break;
		}
		break;
	default:
		WARN_ONCE(1, "invalid addr mode detected");
		src_pan = NULL;
		break;
	}

return src_pan;
}

/**
 * ieee802154_skb_is_intra_pan_addressing - checks whenever the mac addressing
 *	is an intra pan communication
 * @fc: mac header frame control field
 * @skb: skb where the source and destination pan should be get from
 */
static inline bool ieee802154_skb_is_intra_pan_addressing(__le16 fc,
							  const struct sk_buff *skb)
{
	unsigned char *dst_pan = ieee802154_skb_dst_pan(fc, skb),
		      *src_pan = ieee802154_skb_src_pan(fc, skb);

/* if one is NULL is no intra pan addressing */
	if (!dst_pan || !src_pan)
		return false;

return !memcmp(dst_pan, src_pan, IEEE802154_PAN_ID_LEN);
}

/**
 * ieee802154_be64_to_le64 - copies and convert be64 to le64
 * @le64_dst: le64 destination pointer
 * @be64_src: be64 source pointer
 */
static inline void ieee802154_be64_to_le64(void *le64_dst, const void *be64_src)
{
	put_unaligned_le64(get_unaligned_be64(be64_src), le64_dst);
}

/**
 * ieee802154_le64_to_be64 - copies and convert le64 to be64
 * @be64_dst: be64 destination pointer
 * @le64_src: le64 source pointer
 */
static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
{
	put_unaligned_be64(get_unaligned_le64(le64_src), be64_dst);
}

/**
 * ieee802154_le16_to_be16 - copies and convert le16 to be16
 * @be16_dst: be16 destination pointer
 * @le16_src: le16 source pointer
 */
static inline void ieee802154_le16_to_be16(void *be16_dst, const void *le16_src)
{
	put_unaligned_be16(get_unaligned_le16(le16_src), be16_dst);
}

/**
 * ieee802154_be16_to_le16 - copies and convert be16 to le16
 * @le16_dst: le16 destination pointer
 * @be16_src: be16 source pointer
 */
static inline void ieee802154_be16_to_le16(void *le16_dst, const void *be16_src)
{
	put_unaligned_le16(get_unaligned_be16(be16_src), le16_dst);
}

/**
 * ieee802154_alloc_hw - Allocate a new hardware device
 *
 * This must be called once for each hardware device. The returned pointer
 * must be used to refer to this device when calling other functions.
 * mac802154 allocates a private data area for the driver pointed to by
 * @priv in &struct ieee802154_hw, the size of this area is given as
 * @priv_data_len.
 *
 * @priv_data_len: length of private data
 * @ops: callbacks for this device
 *
 * Return: A pointer to the new hardware device, or %NULL on error.
 */
struct ieee802154_hw *
ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops);

/**
 * ieee802154_free_hw - free hardware descriptor
 *
 * This function frees everything that was allocated, including the
 * private data for the driver. You must call ieee802154_unregister_hw()
 * before calling this function.
 *
 * @hw: the hardware to free
 */
void ieee802154_free_hw(struct ieee802154_hw *hw);

/**
 * ieee802154_register_hw - Register hardware device
 *
 * You must call this function before any other functions in
 * mac802154. Note that before a hardware can be registered, you
 * need to fill the contained wpan_phy's information.
 *
 * @hw: the device to register as returned by ieee802154_alloc_hw()
 *
 * Return: 0 on success. An error code otherwise.
 */
int ieee802154_register_hw(struct ieee802154_hw *hw);

/**
 * ieee802154_unregister_hw - Unregister a hardware device
 *
 * This function instructs mac802154 to free allocated resources
 * and unregister netdevices from the networking subsystem.
 *
 * @hw: the hardware to unregister
 */
void ieee802154_unregister_hw(struct ieee802154_hw *hw);

/**
 * ieee802154_rx_irqsafe - receive frame
 *
 * Like ieee802154_rx() but can be called in IRQ context
 * (internally defers to a tasklet.)
 *
 * @hw: the hardware this frame came in on
 * @skb: the buffer to receive, owned by mac802154 after this call
 * @lqi: link quality indicator
 */
void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
			   u8 lqi);
/**
 * ieee802154_wake_queue - wake ieee802154 queue
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 *
 * Drivers should use this function instead of netif_wake_queue.
 */
void ieee802154_wake_queue(struct ieee802154_hw *hw);

/**
 * ieee802154_stop_queue - stop ieee802154 queue
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 *
 * Drivers should use this function instead of netif_stop_queue.
 */
void ieee802154_stop_queue(struct ieee802154_hw *hw);

/**
 * ieee802154_xmit_complete - frame transmission complete
 *
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 * @skb: buffer for transmission
 * @ifs_handling: indicate interframe space handling
 */
void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
			      bool ifs_handling);

#endif /* NET_MAC802154_H */

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