1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef EAP_PACKET_H
3#define EAP_PACKET_H
4
5#include <linux/compiler.h>
6#include <linux/bitops.h>
7#include <uapi/linux/if_ether.h>
8
9struct ether_hdr {
10 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
11 unsigned char h_source[ETH_ALEN]; /* source ether addr */
12 unsigned char h_dest_snap;
13 unsigned char h_source_snap;
14 unsigned char h_command;
15 unsigned char h_vendor_id[3];
16 __be16 h_proto; /* packet type ID field */
17 /* followed by length octets of data */
18} __packed;
19
20#define ETHER_HDR_SIZE sizeof(struct ether_hdr)
21
22struct ieee802_1x_hdr {
23 unsigned char version;
24 unsigned char type;
25 unsigned short length;
26 /* followed by length octets of data */
27} __packed;
28
29enum {
30 IEEE802_1X_TYPE_EAP_PACKET = 0,
31 IEEE802_1X_TYPE_EAPOL_START = 1,
32 IEEE802_1X_TYPE_EAPOL_LOGOFF = 2,
33 IEEE802_1X_TYPE_EAPOL_KEY = 3,
34 IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT = 4
35};
36
37#define WPA_NONCE_LEN 32
38#define WPA_REPLAY_COUNTER_LEN 8
39
40struct wpa_eapol_key {
41 unsigned char type;
42 __be16 key_info;
43 unsigned short key_length;
44 unsigned char replay_counter[WPA_REPLAY_COUNTER_LEN];
45 unsigned char key_nonce[WPA_NONCE_LEN];
46 unsigned char key_iv[16];
47 unsigned char key_rsc[8];
48 unsigned char key_id[8]; /* Reserved in IEEE 802.11i/RSN */
49 unsigned char key_mic[16];
50 unsigned short key_data_length;
51 /* followed by key_data_length bytes of key_data */
52} __packed;
53
54#define WPA_KEY_INFO_TYPE_MASK GENMASK(2, 0)
55#define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0)
56#define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1)
57#define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */
58/* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */
59#define WPA_KEY_INFO_KEY_INDEX_MASK GENMASK(5, 4)
60#define WPA_KEY_INFO_KEY_INDEX_SHIFT 4
61#define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */
62#define WPA_KEY_INFO_TXRX BIT(6) /* group */
63#define WPA_KEY_INFO_ACK BIT(7)
64#define WPA_KEY_INFO_MIC BIT(8)
65#define WPA_KEY_INFO_SECURE BIT(9)
66#define WPA_KEY_INFO_ERROR BIT(10)
67#define WPA_KEY_INFO_REQUEST BIT(11)
68#define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */
69
70#endif /* EAP_PACKET_H */
71

source code of linux/drivers/staging/ks7010/eap_packet.h