diff options
Diffstat (limited to 'drivers/staging/wlan-ng/p80211conv.h')
| -rw-r--r-- | drivers/staging/wlan-ng/p80211conv.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h new file mode 100644 index 000000000000..3f5ab57cd9a8 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211conv.h @@ -0,0 +1,186 @@ +/* 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; + UINT32 length; + UINT64 mactime; + UINT64 hosttime; + UINT32 phytype; + UINT32 channel; + UINT32 datarate; + UINT32 antenna; + UINT32 priority; + UINT32 ssi_type; + INT32 ssi_signal; + INT32 ssi_noise; + UINT32 preamble; + UINT32 encoding; +} 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]; + UINT8 saddr[WLAN_ETHADDR_LEN]; + UINT16 type; +} __WLAN_ATTRIB_PACK__ wlan_ethhdr_t; + +/* local llc header type */ +typedef struct wlan_llc +{ + UINT8 dsap; + UINT8 ssap; + UINT8 ctl; +} __WLAN_ATTRIB_PACK__ wlan_llc_t; + +/* local snap header type */ +typedef struct wlan_snap +{ + UINT8 oui[WLAN_IEEE_OUI_LEN]; + UINT16 type; +} __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 |