diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2020-09-11 20:00:20 -0400 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2020-09-11 20:00:20 -0400 |
commit | 0ea8a56de21be24cb79abb03dee79aabcd60a316 (patch) | |
tree | 71ad6c51064e4948b5c90e84c86da52457e2cfb2 /drivers/staging/rtl8712/ieee80211.h | |
parent | drm/i915: Nuke dpio_phy_iosf_port[] (diff) | |
parent | drm/i915: Fix slightly botched merge in __reloc_entry_gpu (diff) | |
download | linux-dev-0ea8a56de21be24cb79abb03dee79aabcd60a316.tar.xz linux-dev-0ea8a56de21be24cb79abb03dee79aabcd60a316.zip |
Merge drm/drm-next into drm-intel-next-queued
Sync drm-intel-gt-next here so we can have an unified fixes flow.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/staging/rtl8712/ieee80211.h')
-rw-r--r-- | drivers/staging/rtl8712/ieee80211.h | 584 |
1 files changed, 1 insertions, 583 deletions
diff --git a/drivers/staging/rtl8712/ieee80211.h b/drivers/staging/rtl8712/ieee80211.h index dabaa8fd34fb..61eff7c5746b 100644 --- a/drivers/staging/rtl8712/ieee80211.h +++ b/drivers/staging/rtl8712/ieee80211.h @@ -14,14 +14,8 @@ #ifndef __IEEE80211_H #define __IEEE80211_H -#include "osdep_service.h" -#include "drv_types.h" -#include "wifi.h" -#include <linux/compiler.h> -#include <linux/wireless.h> +#include <linux/ieee80211.h> -#define MGMT_QUEUE_NUM 5 -#define ETH_ALEN 6 #define IEEE_CMD_SET_WPA_PARAM 1 #define IEEE_CMD_SET_WPA_IE 2 #define IEEE_CMD_SET_ENCRYPTION 3 @@ -102,162 +96,11 @@ struct ieee_param { } u; }; -#define IEEE80211_DATA_LEN 2304 -/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section - * 6.2.1.1.2. - * - * The figure in section 7.1.2 suggests a body size of up to 2312 - * bytes is allowed, which is a bit confusing, I suspect this - * represents the 2304 bytes of real data, plus a possible 8 bytes of - * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) - */ - -#define IEEE80211_HLEN 30 -#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) - -/* this is stolen from ipw2200 driver */ -#define IEEE_IBSS_MAC_HASH_SIZE 31 - -struct ieee_ibss_seq { - u8 mac[ETH_ALEN]; - u16 seq_num; - u16 frag_num; - unsigned long packet_time; - struct list_head list; -}; - -struct ieee80211_hdr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 addr4[ETH_ALEN]; -} __packed __aligned(2); - -struct ieee80211_hdr_3addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; -} __packed __aligned(2); - -struct ieee80211_hdr_qos { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 addr4[ETH_ALEN]; - __le16 qc; -} __packed __aligned(2); - -struct ieee80211_hdr_3addr_qos { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - __le16 qc; -} __packed; - -struct eapol { - u8 snap[6]; - __be16 ethertype; - u8 version; - u8 type; - __le16 length; -} __packed; - -enum eap_type { - EAP_PACKET = 0, - EAPOL_START, - EAPOL_LOGOFF, - EAPOL_KEY, - EAPOL_ENCAP_ASF_ALERT -}; - -#define IEEE80211_3ADDR_LEN 24 -#define IEEE80211_4ADDR_LEN 30 -#define IEEE80211_FCS_LEN 4 - #define MIN_FRAG_THRESHOLD 256U #define MAX_FRAG_THRESHOLD 2346U -/* Frame control field constants */ -#define IEEE80211_FCTL_VERS 0x0002 -#define IEEE80211_FCTL_FTYPE 0x000c -#define IEEE80211_FCTL_STYPE 0x00f0 -#define IEEE80211_FCTL_TODS 0x0100 -#define IEEE80211_FCTL_FROMDS 0x0200 -#define IEEE80211_FCTL_MOREFRAGS 0x0400 -#define IEEE80211_FCTL_RETRY 0x0800 -#define IEEE80211_FCTL_PM 0x1000 -#define IEEE80211_FCTL_MOREDATA 0x2000 -#define IEEE80211_FCTL_WEP 0x4000 -#define IEEE80211_FCTL_ORDER 0x8000 - -#define IEEE80211_FTYPE_MGMT 0x0000 -#define IEEE80211_FTYPE_CTL 0x0004 -#define IEEE80211_FTYPE_DATA 0x0008 - -/* management */ -#define IEEE80211_STYPE_ASSOC_REQ 0x0000 -#define IEEE80211_STYPE_ASSOC_RESP 0x0010 -#define IEEE80211_STYPE_REASSOC_REQ 0x0020 -#define IEEE80211_STYPE_REASSOC_RESP 0x0030 -#define IEEE80211_STYPE_PROBE_REQ 0x0040 -#define IEEE80211_STYPE_PROBE_RESP 0x0050 -#define IEEE80211_STYPE_BEACON 0x0080 -#define IEEE80211_STYPE_ATIM 0x0090 -#define IEEE80211_STYPE_DISASSOC 0x00A0 -#define IEEE80211_STYPE_AUTH 0x00B0 -#define IEEE80211_STYPE_DEAUTH 0x00C0 - -/* control */ -#define IEEE80211_STYPE_PSPOLL 0x00A0 -#define IEEE80211_STYPE_RTS 0x00B0 -#define IEEE80211_STYPE_CTS 0x00C0 -#define IEEE80211_STYPE_ACK 0x00D0 -#define IEEE80211_STYPE_CFEND 0x00E0 -#define IEEE80211_STYPE_CFENDACK 0x00F0 - -/* data */ -#define IEEE80211_STYPE_DATA 0x0000 -#define IEEE80211_STYPE_DATA_CFACK 0x0010 -#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 -#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 -#define IEEE80211_STYPE_NULLFUNC 0x0040 -#define IEEE80211_STYPE_CFACK 0x0050 -#define IEEE80211_STYPE_CFPOLL 0x0060 -#define IEEE80211_STYPE_CFACKPOLL 0x0070 -#define IEEE80211_QOS_DATAGRP 0x0080 - -#define IEEE80211_SCTL_FRAG 0x000F -#define IEEE80211_SCTL_SEQ 0xFFF0 - /* QoS,QOS */ #define NORMAL_ACK 0 -#define NO_ACK 1 -#define NON_EXPLICIT_ACK 2 -#define BLOCK_ACK 3 - -#ifndef ETH_P_PAE -#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ -#endif /* ETH_P_PAE */ - -#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ - -#define ETH_P_ECONET 0x0018 - -#ifndef ETH_P_80211_RAW -#define ETH_P_80211_RAW (ETH_P_ECONET + 1) -#endif /* IEEE 802.11 defines */ @@ -272,58 +115,6 @@ struct ieee80211_snap_hdr { #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) -#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) -#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) - -#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) - -#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) -#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) - -/* Authentication algorithms */ -#define WLAN_AUTH_OPEN 0 -#define WLAN_AUTH_SHARED_KEY 1 - -#define WLAN_AUTH_CHALLENGE_LEN 128 - -#define WLAN_CAPABILITY_BSS BIT(0) -#define WLAN_CAPABILITY_IBSS BIT(1) -#define WLAN_CAPABILITY_CF_POLLABLE BIT(2) -#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3) -#define WLAN_CAPABILITY_PRIVACY BIT(4) -#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5) -#define WLAN_CAPABILITY_PBCC BIT(6) -#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7) -#define WLAN_CAPABILITY_SHORT_SLOT BIT(10) - -/* Information Element IDs */ -#define WLAN_EID_SSID 0 -#define WLAN_EID_SUPP_RATES 1 -#define WLAN_EID_FH_PARAMS 2 -#define WLAN_EID_DS_PARAMS 3 -#define WLAN_EID_CF_PARAMS 4 -#define WLAN_EID_TIM 5 -#define WLAN_EID_IBSS_PARAMS 6 -#define WLAN_EID_CHALLENGE 16 -#define WLAN_EID_RSN 48 -#define WLAN_EID_GENERIC 221 - -#define IEEE80211_MGMT_HDR_LEN 24 -#define IEEE80211_DATA_HDR3_LEN 24 -#define IEEE80211_DATA_HDR4_LEN 30 - -#define IEEE80211_STATMASK_SIGNAL BIT(0) -#define IEEE80211_STATMASK_RSSI BIT(1) -#define IEEE80211_STATMASK_NOISE BIT(2) -#define IEEE80211_STATMASK_RATE BIT(3) -#define IEEE80211_STATMASK_WEMASK 0x7 - -#define IEEE80211_CCK_MODULATION BIT(0) -#define IEEE80211_OFDM_MODULATION BIT(1) - -#define IEEE80211_24GHZ_BAND BIT(0) -#define IEEE80211_52GHZ_BAND BIT(1) - #define IEEE80211_CCK_RATE_LEN 4 #define IEEE80211_NUM_OFDM_RATESLEN 8 @@ -331,7 +122,6 @@ struct ieee80211_snap_hdr { #define IEEE80211_CCK_RATE_2MB 0x04 #define IEEE80211_CCK_RATE_5MB 0x0B #define IEEE80211_CCK_RATE_11MB 0x16 -#define IEEE80211_OFDM_RATE_LEN 8 #define IEEE80211_OFDM_RATE_6MB 0x0C #define IEEE80211_OFDM_RATE_9MB 0x12 #define IEEE80211_OFDM_RATE_12MB 0x18 @@ -342,388 +132,16 @@ struct ieee80211_snap_hdr { #define IEEE80211_OFDM_RATE_54MB 0x6C #define IEEE80211_BASIC_RATE_MASK 0x80 -#define IEEE80211_CCK_RATE_1MB_MASK BIT(0) -#define IEEE80211_CCK_RATE_2MB_MASK BIT(1) -#define IEEE80211_CCK_RATE_5MB_MASK BIT(2) -#define IEEE80211_CCK_RATE_11MB_MASK BIT(3) -#define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) -#define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) -#define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) -#define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) -#define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) -#define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) -#define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) -#define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) - -#define IEEE80211_CCK_RATES_MASK 0x0000000F -#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ - IEEE80211_CCK_RATE_2MB_MASK) -#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ - IEEE80211_CCK_RATE_5MB_MASK | \ - IEEE80211_CCK_RATE_11MB_MASK) - -#define IEEE80211_OFDM_RATES_MASK 0x00000FF0 -#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ - IEEE80211_OFDM_RATE_12MB_MASK | \ - IEEE80211_OFDM_RATE_24MB_MASK) -#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ - IEEE80211_OFDM_RATE_9MB_MASK | \ - IEEE80211_OFDM_RATE_18MB_MASK | \ - IEEE80211_OFDM_RATE_36MB_MASK | \ - IEEE80211_OFDM_RATE_48MB_MASK | \ - IEEE80211_OFDM_RATE_54MB_MASK) -#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ - IEEE80211_CCK_DEFAULT_RATES_MASK) - -#define IEEE80211_NUM_OFDM_RATES 8 -#define IEEE80211_NUM_CCK_RATES 4 -#define IEEE80211_OFDM_SHIFT_MASK_A 4 - -/* NOTE: This data is for statistical purposes; not all hardware provides this - * information for frames received. Not setting these will not cause - * any adverse affects. - */ -struct ieee80211_rx_stats { - s8 rssi; - u8 signal; - u8 noise; - u8 received_channel; - u16 rate; /* in 100 kbps */ - u8 mask; - u8 freq; - u16 len; -}; - -/* IEEE 802.11 requires that STA supports concurrent reception of at least - * three fragmented frames. This define can be increased to support more - * concurrent frames, but it should be noted that each entry can consume about - * 2 kB of RAM and increasing cache size will slow down frame reassembly. - */ -#define IEEE80211_FRAG_CACHE_LEN 4 - -struct ieee80211_frag_entry { - u32 first_frag_time; - uint seq; - uint last_frag; - uint qos; /*jackson*/ - uint tid; /*jackson*/ - struct sk_buff *skb; - u8 src_addr[ETH_ALEN]; - u8 dst_addr[ETH_ALEN]; -}; - -struct ieee80211_stats { - uint tx_unicast_frames; - uint tx_multicast_frames; - uint tx_fragments; - uint tx_unicast_octets; - uint tx_multicast_octets; - uint tx_deferred_transmissions; - uint tx_single_retry_frames; - uint tx_multiple_retry_frames; - uint tx_retry_limit_exceeded; - uint tx_discards; - uint rx_unicast_frames; - uint rx_multicast_frames; - uint rx_fragments; - uint rx_unicast_octets; - uint rx_multicast_octets; - uint rx_fcs_errors; - uint rx_discards_no_buffer; - uint tx_discards_wrong_sa; - uint rx_discards_undecryptable; - uint rx_message_in_msg_fragments; - uint rx_message_in_bad_msg_fragments; -}; - -struct ieee80211_softmac_stats { - uint rx_ass_ok; - uint rx_ass_err; - uint rx_probe_rq; - uint tx_probe_rs; - uint tx_beacons; - uint rx_auth_rq; - uint rx_auth_rs_ok; - uint rx_auth_rs_err; - uint tx_auth_rq; - uint no_auth_rs; - uint no_ass_rs; - uint tx_ass_rq; - uint rx_ass_rq; - uint tx_probe_rq; - uint reassoc; - uint swtxstop; - uint swtxawake; -}; - -#define SEC_KEY_1 BIT(0) -#define SEC_KEY_2 BIT(1) -#define SEC_KEY_3 BIT(2) -#define SEC_KEY_4 BIT(3) -#define SEC_ACTIVE_KEY BIT(4) -#define SEC_AUTH_MODE BIT(5) -#define SEC_UNICAST_GROUP BIT(6) -#define SEC_LEVEL BIT(7) -#define SEC_ENABLED BIT(8) - -#define SEC_LEVEL_0 0 /* None */ -#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ -#define SEC_LEVEL_2 2 /* Level 1 + TKIP */ -#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ -#define SEC_LEVEL_3 4 /* Level 2 + CCMP */ - #define WEP_KEYS 4 -#define WEP_KEY_LEN 13 - -struct ieee80211_security { - u16 active_key:2, - enabled:1, - auth_mode:2, - auth_algo:4, - unicast_uses_group:1; - u8 key_sizes[WEP_KEYS]; - u8 keys[WEP_KEYS][WEP_KEY_LEN]; - u8 level; - u16 flags; -} __packed; - -/* - * - * 802.11 data frame from AP - * - * ,-------------------------------------------------------------------. - * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | - * |------|------|---------|---------|---------|------|---------|------| - * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | - * | | tion | (BSSID) | | | ence | data | | - * `-------------------------------------------------------------------' - * - * Total: 28-2340 bytes - * - */ - -struct ieee80211_header_data { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - __le16 seq_ctrl; -} __packed __aligned(2); -#define BEACON_PROBE_SSID_ID_POSITION 12 - -/* Management Frame Information Element Types */ -#define MFIE_TYPE_SSID 0 -#define MFIE_TYPE_RATES 1 -#define MFIE_TYPE_FH_SET 2 -#define MFIE_TYPE_DS_SET 3 -#define MFIE_TYPE_CF_SET 4 -#define MFIE_TYPE_TIM 5 -#define MFIE_TYPE_IBSS_SET 6 -#define MFIE_TYPE_CHALLENGE 16 -#define MFIE_TYPE_ERP 42 -#define MFIE_TYPE_RSN 48 -#define MFIE_TYPE_RATES_EX 50 -#define MFIE_TYPE_GENERIC 221 - -struct ieee80211_info_element_hdr { - u8 id; - u8 len; -} __packed; - -struct ieee80211_info_element { - u8 id; - u8 len; - u8 data[]; -} __packed; - -/* - * These are the data types that can make up management packets - * - __le16 auth_algorithm; - __le16 auth_sequence; - __le16 beacon_interval; - __le16 capability; - u8 current_ap[ETH_ALEN]; - __le16 listen_interval; - struct { - u16 association_id:14, reserved:2; - } __packed; - __le32 time_stamp[2]; - __le16 reason; - __le16 status; -*/ - -#define IEEE80211_DEFAULT_TX_ESSID "Penguin" -#define IEEE80211_DEFAULT_BASIC_RATE 10 - -struct ieee80211_authentication { - struct ieee80211_header_data header; - __le16 algorithm; - __le16 transaction; - __le16 status; -} __packed; - -struct ieee80211_probe_response { - struct ieee80211_header_data header; - __le32 time_stamp[2]; - __le16 beacon_interval; - __le16 capability; - struct ieee80211_info_element info_element; -} __packed; - -struct ieee80211_probe_request { - struct ieee80211_header_data header; -} __packed; - -struct ieee80211_assoc_request_frame { - struct ieee80211_hdr_3addr header; - __le16 capability; - __le16 listen_interval; - struct ieee80211_info_element_hdr info_element; -} __packed; - -struct ieee80211_assoc_response_frame { - struct ieee80211_hdr_3addr header; - __le16 capability; - __le16 status; - __le16 aid; -} __packed; - -struct ieee80211_txb { - u8 nr_frags; - u8 encrypted; - u16 reserved; - u16 frag_size; - u16 payload_size; - struct sk_buff *fragments[]; -}; - -/* SWEEP TABLE ENTRIES NUMBER*/ -#define MAX_SWEEP_TAB_ENTRIES 42 -#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs * only use 8, and then use extended rates for the remaining supported * rates. Other APs, however, stick all of their supported rates on the * main rates information element... */ #define MAX_RATES_LENGTH ((u8)12) -#define MAX_RATES_EX_LENGTH ((u8)16) -#define MAX_NETWORK_COUNT 128 -#define MAX_CHANNEL_NUMBER 161 -#define IEEE80211_SOFTMAC_SCAN_TIME 400 -/*(HZ / 2)*/ -#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) - -#define CRC_LENGTH 4U - #define MAX_WPA_IE_LEN 128 -#define NETWORK_EMPTY_ESSID BIT(0) -#define NETWORK_HAS_OFDM BIT(1) -#define NETWORK_HAS_CCK BIT(2) - -#define IEEE80211_DTIM_MBCAST 4 -#define IEEE80211_DTIM_UCAST 2 -#define IEEE80211_DTIM_VALID 1 -#define IEEE80211_DTIM_INVALID 0 - -#define IEEE80211_PS_DISABLED 0 -#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST -#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST -#define IW_ESSID_MAX_SIZE 32 -/* - * join_res: - * -1: authentication fail - * -2: association fail - * > 0: TID - */ - -enum ieee80211_state { - /* the card is not linked at all */ - IEEE80211_NOLINK = 0, - /* IEEE80211_ASSOCIATING* are for BSS client mode - * the driver shall not perform RX filtering unless - * the state is LINKED. - * The driver shall just check for the state LINKED and - * defaults to NOLINK for ALL the other states (including - * LINKED_SCANNING) - */ - /* the association procedure will start (wq scheduling)*/ - IEEE80211_ASSOCIATING, - IEEE80211_ASSOCIATING_RETRY, - /* the association procedure is sending AUTH request*/ - IEEE80211_ASSOCIATING_AUTHENTICATING, - /* the association procedure has successfully authenticated - * and is sending association request - */ - IEEE80211_ASSOCIATING_AUTHENTICATED, - /* the link is ok. the card associated to a BSS or linked - * to a ibss cell or acting as an AP and creating the bss - */ - IEEE80211_LINKED, - /* same as LINKED, but the driver shall apply RX filter - * rules as we are in NO_LINK mode. As the card is still - * logically linked, but it is doing a syncro site survey - * then it will be back to LINKED state. - */ - IEEE80211_LINKED_SCANNING, -}; - -#define DEFAULT_MAX_SCAN_AGE (15 * HZ) -#define DEFAULT_FTS 2346 - -#define CFG_IEEE80211_RESERVE_FCS BIT(0) -#define CFG_IEEE80211_COMPUTE_FCS BIT(1) - -#define MAXTID 16 - -#define IEEE_A BIT(0) -#define IEEE_B BIT(1) -#define IEEE_G BIT(2) -#define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) - -static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) -{ - /* Single white space is for Linksys APs */ - if (essid_len == 1 && essid[0] == ' ') - return 1; - /* Otherwise, if the entire essid is 0, we assume it is hidden */ - while (essid_len) { - essid_len--; - if (essid[essid_len] != '\0') - return 0; - } - return 1; -} - -static inline int ieee80211_get_hdrlen(u16 fc) -{ - int hdrlen = 24; - - switch (WLAN_FC_GET_TYPE(fc)) { - case IEEE80211_FTYPE_DATA: - if (fc & IEEE80211_QOS_DATAGRP) - hdrlen += 2; - if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) - hdrlen += 6; /* Addr4 */ - break; - case IEEE80211_FTYPE_CTL: - switch (WLAN_FC_GET_STYPE(fc)) { - case IEEE80211_STYPE_CTS: - case IEEE80211_STYPE_ACK: - hdrlen = 10; - break; - default: - hdrlen = 16; - break; - } - break; - } - return hdrlen; -} - struct registry_priv; u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen); |