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- /* src/include/wlan/p80211conv.h
- *
- * Ether/802.11 conversions and packet buffer routines
- *
- * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
- * --------------------------------------------------------------------
- *
- * linux-wlan
- *
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU Public License version 2 (the "GPL"), in which
- * case the provisions of the GPL are applicable instead of the
- * above. If you wish to allow the use of your version of this file
- * only under the terms of the GPL and not to allow others to use
- * your version of this file under the MPL, indicate your decision
- * by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL. If you do not delete
- * the provisions above, a recipient may use your version of this
- * file under either the MPL or the GPL.
- *
- * --------------------------------------------------------------------
- *
- * Inquiries regarding the linux-wlan Open Source project can be
- * made directly to:
- *
- * AbsoluteValue Systems Inc.
- * info@linux-wlan.com
- * http://www.linux-wlan.com
- *
- * --------------------------------------------------------------------
- *
- * Portions of the development of this software were funded by
- * Intersil Corporation as part of PRISM(R) chipset product development.
- *
- * --------------------------------------------------------------------
- *
- * This file declares the functions, types and macros that perform
- * Ethernet to/from 802.11 frame conversions.
- *
- * --------------------------------------------------------------------
- */
-
- #ifndef _LINUX_P80211CONV_H
- #define _LINUX_P80211CONV_H
-
- /*================================================================*/
- /* Constants */
-
- #define WLAN_ETHADDR_LEN 6
- #define WLAN_IEEE_OUI_LEN 3
-
- #define WLAN_ETHCONV_ENCAP 1
- #define WLAN_ETHCONV_RFC1042 2
- #define WLAN_ETHCONV_8021h 3
-
- #define WLAN_MIN_ETHFRM_LEN 60
- #define WLAN_MAX_ETHFRM_LEN 1514
- #define WLAN_ETHHDR_LEN 14
-
- #define P80211CAPTURE_VERSION 0x80211001
-
- /*================================================================*/
- /* Macros */
-
- #define P80211_FRMMETA_MAGIC 0x802110
-
- #define P80211SKB_FRMMETA(s) \
- (((((p80211_frmmeta_t*)((s)->cb))->magic)==P80211_FRMMETA_MAGIC) ? \
- ((p80211_frmmeta_t*)((s)->cb)) : \
- (NULL))
-
- #define P80211SKB_RXMETA(s) \
- (P80211SKB_FRMMETA((s)) ? P80211SKB_FRMMETA((s))->rx : ((p80211_rxmeta_t*)(NULL)))
-
- typedef struct p80211_rxmeta
- {
- struct wlandevice *wlandev;
-
- UINT64 mactime; /* Hi-rez MAC-supplied time value */
- UINT64 hosttime; /* Best-rez host supplied time value */
-
- UINT rxrate; /* Receive data rate in 100kbps */
- UINT priority; /* 0-15, 0=contention, 6=CF */
- INT signal; /* An SSI, see p80211netdev.h */
- INT noise; /* An SSI, see p80211netdev.h */
- UINT channel; /* Receive channel (mostly for snifs) */
- UINT preamble; /* P80211ENUM_preambletype_* */
- UINT encoding; /* P80211ENUM_encoding_* */
-
- } p80211_rxmeta_t;
-
- typedef struct p80211_frmmeta
- {
- UINT magic;
- p80211_rxmeta_t *rx;
- } p80211_frmmeta_t;
-
- void p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb);
- int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb);
- void p80211skb_rxmeta_detach(struct sk_buff *skb);
-
- /*================================================================*/
- /* Types */
-
- /*
- * Frame capture header. (See doc/capturefrm.txt)
- */
- typedef struct p80211_caphdr
- {
- UINT32 version __WLAN_ATTRIB_PACK__;
- UINT32 length __WLAN_ATTRIB_PACK__;
- UINT64 mactime __WLAN_ATTRIB_PACK__;
- UINT64 hosttime __WLAN_ATTRIB_PACK__;
- UINT32 phytype __WLAN_ATTRIB_PACK__;
- UINT32 channel __WLAN_ATTRIB_PACK__;
- UINT32 datarate __WLAN_ATTRIB_PACK__;
- UINT32 antenna __WLAN_ATTRIB_PACK__;
- UINT32 priority __WLAN_ATTRIB_PACK__;
- UINT32 ssi_type __WLAN_ATTRIB_PACK__;
- INT32 ssi_signal __WLAN_ATTRIB_PACK__;
- INT32 ssi_noise __WLAN_ATTRIB_PACK__;
- UINT32 preamble __WLAN_ATTRIB_PACK__;
- UINT32 encoding __WLAN_ATTRIB_PACK__;
- } p80211_caphdr_t;
-
- /* buffer free method pointer type */
- typedef void (* freebuf_method_t)(void *buf, int size);
-
- typedef struct p80211_metawep {
- void *data;
- UINT8 iv[4];
- UINT8 icv[4];
- } p80211_metawep_t;
-
- /* local ether header type */
- typedef struct wlan_ethhdr
- {
- UINT8 daddr[WLAN_ETHADDR_LEN] __WLAN_ATTRIB_PACK__;
- UINT8 saddr[WLAN_ETHADDR_LEN] __WLAN_ATTRIB_PACK__;
- UINT16 type __WLAN_ATTRIB_PACK__;
- } __WLAN_ATTRIB_PACK__ wlan_ethhdr_t;
-
- /* local llc header type */
- typedef struct wlan_llc
- {
- UINT8 dsap __WLAN_ATTRIB_PACK__;
- UINT8 ssap __WLAN_ATTRIB_PACK__;
- UINT8 ctl __WLAN_ATTRIB_PACK__;
- } __WLAN_ATTRIB_PACK__ wlan_llc_t;
-
- /* local snap header type */
- typedef struct wlan_snap
- {
- UINT8 oui[WLAN_IEEE_OUI_LEN] __WLAN_ATTRIB_PACK__;
- UINT16 type __WLAN_ATTRIB_PACK__;
- } __WLAN_ATTRIB_PACK__ wlan_snap_t;
-
- /* Circular include trick */
- struct wlandevice;
-
- /*================================================================*/
- /* Externs */
-
- /*================================================================*/
- /*Function Declarations */
-
- int skb_p80211_to_ether( struct wlandevice *wlandev, UINT32 ethconv,
- struct sk_buff *skb);
- int skb_ether_to_p80211( struct wlandevice *wlandev, UINT32 ethconv,
- struct sk_buff *skb, p80211_hdr_t *p80211_hdr,
- p80211_metawep_t *p80211_wep );
-
- int p80211_stt_findproto(UINT16 proto);
- int p80211_stt_addproto(UINT16 proto);
-
- #endif
-