root/drivers/staging/ks7010/eap_packet.h

INCLUDED FROM

   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 
   9 struct 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 
  22 struct 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 
  29 enum {
  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 
  40 struct 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 */