LXR linux/drivers/staging/ks7010/eap

   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