Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * An interface between IEEE802.15.4 device and rest of the kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2007-2012 Siemens AG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Written by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Maxim Osipov <maxim.osipov@siemens.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #ifndef IEEE802154_NETDEVICE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #define IEEE802154_NETDEVICE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <net/af_ieee802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/ieee802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <net/cfg802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) struct ieee802154_sechdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #if defined(__LITTLE_ENDIAN_BITFIELD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	u8 level:3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	   key_id_mode:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	   reserved:3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #elif defined(__BIG_ENDIAN_BITFIELD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	u8 reserved:3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	   key_id_mode:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	   level:3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #error	"Please fix <asm/byteorder.h>"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	u8 key_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	__le32 frame_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		__le32 short_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		__le64 extended_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) struct ieee802154_hdr_fc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #if defined(__LITTLE_ENDIAN_BITFIELD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	u16 type:3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	    security_enabled:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	    frame_pending:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	    ack_request:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	    intra_pan:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	    reserved:3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	    dest_addr_mode:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	    version:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	    source_addr_mode:2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #elif defined(__BIG_ENDIAN_BITFIELD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	u16 reserved:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	    intra_pan:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	    ack_request:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	    frame_pending:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	    security_enabled:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	    type:3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	    source_addr_mode:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	    version:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	    dest_addr_mode:2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	    reserved2:2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) #error	"Please fix <asm/byteorder.h>"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) struct ieee802154_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct ieee802154_hdr_fc fc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	u8 seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	struct ieee802154_addr source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	struct ieee802154_addr dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	struct ieee802154_sechdr sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) /* pushes hdr onto the skb. fields of hdr->fc that can be calculated from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  * the contents of hdr will be, and the actual value of those bits in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)  * hdr->fc will be ignored. this includes the INTRA_PAN bit and the frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83)  * version, if SECEN is set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) int ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) /* pulls the entire 802.15.4 header off of the skb, including the security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)  * header, and performs pan id decompression
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) int ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) /* parses the frame control, sequence number of address fields in a given skb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  * and stores them into hdr, performing pan id decompression and length checks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  * to be suitable for use in header_ops.parse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) int ieee802154_hdr_peek_addrs(const struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			      struct ieee802154_hdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) /* parses the full 802.15.4 header a given skb and stores them into hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)  * performing pan id decompression and length checks to be suitable for use in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  * header_ops.parse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) int ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int ieee802154_max_payload(const struct ieee802154_hdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ieee802154_sechdr_authtag_len(const struct ieee802154_sechdr *sec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	switch (sec->level) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	case IEEE802154_SCF_SECLEVEL_MIC32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	case IEEE802154_SCF_SECLEVEL_ENC_MIC32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		return 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	case IEEE802154_SCF_SECLEVEL_MIC64:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	case IEEE802154_SCF_SECLEVEL_ENC_MIC64:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		return 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	case IEEE802154_SCF_SECLEVEL_MIC128:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	case IEEE802154_SCF_SECLEVEL_ENC_MIC128:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		return 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	case IEEE802154_SCF_SECLEVEL_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	case IEEE802154_SCF_SECLEVEL_ENC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static inline int ieee802154_hdr_length(struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct ieee802154_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	int len = ieee802154_hdr_pull(skb, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	if (len > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		skb_push(skb, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 					 const struct ieee802154_addr *a2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (a1->pan_id != a2->pan_id || a1->mode != a2->mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	if ((a1->mode == IEEE802154_ADDR_LONG &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	     a1->extended_addr != a2->extended_addr) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	    (a1->mode == IEEE802154_ADDR_SHORT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	     a1->short_addr != a2->short_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static inline __le64 ieee802154_devaddr_from_raw(const void *raw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	u64 temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	memcpy(&temp, raw, IEEE802154_ADDR_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	return (__force __le64)swab64(temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	u64 temp = swab64((__force u64)addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	memcpy(raw, &temp, IEEE802154_ADDR_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 					   const struct ieee802154_addr_sa *sa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	a->mode = sa->addr_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	a->pan_id = cpu_to_le16(sa->pan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	switch (a->mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	case IEEE802154_ADDR_SHORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		a->short_addr = cpu_to_le16(sa->short_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	case IEEE802154_ADDR_LONG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		a->extended_addr = ieee802154_devaddr_from_raw(sa->hwaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 					 const struct ieee802154_addr *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	sa->addr_type = a->mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	sa->pan_id = le16_to_cpu(a->pan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	switch (a->mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	case IEEE802154_ADDR_SHORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		sa->short_addr = le16_to_cpu(a->short_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	case IEEE802154_ADDR_LONG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		ieee802154_devaddr_to_raw(sa->hwaddr, a->extended_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * A control block of skb passed between the ARPHRD_IEEE802154 device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  * and other stack parts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct ieee802154_mac_cb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	u8 lqi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	bool ackreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	bool secen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	bool secen_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	u8 seclevel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	bool seclevel_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct ieee802154_addr source;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	struct ieee802154_addr dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	return (struct ieee802154_mac_cb *)skb->cb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static inline struct ieee802154_mac_cb *mac_cb_init(struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	BUILD_BUG_ON(sizeof(struct ieee802154_mac_cb) > sizeof(skb->cb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	memset(skb->cb, 0, sizeof(struct ieee802154_mac_cb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	return mac_cb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	IEEE802154_LLSEC_DEVKEY_IGNORE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	IEEE802154_LLSEC_DEVKEY_RESTRICT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	IEEE802154_LLSEC_DEVKEY_RECORD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	__IEEE802154_LLSEC_DEVKEY_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) #define IEEE802154_MAC_SCAN_ED		0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #define IEEE802154_MAC_SCAN_ACTIVE	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #define IEEE802154_MAC_SCAN_PASSIVE	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) #define IEEE802154_MAC_SCAN_ORPHAN	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct ieee802154_mac_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	s8 transmit_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	u8 min_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	u8 max_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	u8 csma_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	s8 frame_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	bool lbt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	struct wpan_phy_cca cca;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	s32 cca_ed_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct wpan_phy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	IEEE802154_LLSEC_PARAM_ENABLED		= BIT(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	IEEE802154_LLSEC_PARAM_FRAME_COUNTER	= BIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	IEEE802154_LLSEC_PARAM_OUT_LEVEL	= BIT(2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	IEEE802154_LLSEC_PARAM_OUT_KEY		= BIT(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	IEEE802154_LLSEC_PARAM_KEY_SOURCE	= BIT(4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	IEEE802154_LLSEC_PARAM_PAN_ID		= BIT(5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	IEEE802154_LLSEC_PARAM_HWADDR		= BIT(6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	IEEE802154_LLSEC_PARAM_COORD_HWADDR	= BIT(7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	IEEE802154_LLSEC_PARAM_COORD_SHORTADDR	= BIT(8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) struct ieee802154_llsec_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	int (*get_params)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 			  struct ieee802154_llsec_params *params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	int (*set_params)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 			  const struct ieee802154_llsec_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			  int changed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	int (*add_key)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		       const struct ieee802154_llsec_key_id *id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		       const struct ieee802154_llsec_key *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	int (*del_key)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		       const struct ieee802154_llsec_key_id *id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	int (*add_dev)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		       const struct ieee802154_llsec_device *llsec_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	int (*del_dev)(struct net_device *dev, __le64 dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	int (*add_devkey)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			  __le64 device_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 			  const struct ieee802154_llsec_device_key *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	int (*del_devkey)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 			  __le64 device_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 			  const struct ieee802154_llsec_device_key *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	int (*add_seclevel)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 			    const struct ieee802154_llsec_seclevel *sl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	int (*del_seclevel)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 			    const struct ieee802154_llsec_seclevel *sl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	void (*lock_table)(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	void (*get_table)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 			  struct ieee802154_llsec_table **t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	void (*unlock_table)(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)  * This should be located at net_device->ml_priv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)  * get_phy should increment the reference counting on returned phy.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)  * Use wpan_wpy_put to put that reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct ieee802154_mlme_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	/* The following fields are optional (can be NULL). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	int (*assoc_req)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 			struct ieee802154_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 			u8 channel, u8 page, u8 cap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	int (*assoc_resp)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 			struct ieee802154_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			__le16 short_addr, u8 status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	int (*disassoc_req)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 			struct ieee802154_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			u8 reason);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	int (*start_req)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 			struct ieee802154_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 			u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 			u8 pan_coord, u8 blx, u8 coord_realign);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	int (*scan_req)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 			u8 type, u32 channels, u8 page, u8 duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	int (*set_mac_params)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 			      const struct ieee802154_mac_params *params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	void (*get_mac_params)(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 			       struct ieee802154_mac_params *params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	const struct ieee802154_llsec_ops *llsec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static inline struct ieee802154_mlme_ops *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) ieee802154_mlme_ops(const struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	return dev->ml_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) #endif