From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/staging/wlan-ng/p80211conv.h | 163 +++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 drivers/staging/wlan-ng/p80211conv.h (limited to 'drivers/staging/wlan-ng/p80211conv.h') diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h new file mode 100644 index 000000000..e031a74d2 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211conv.h @@ -0,0 +1,163 @@ +/* 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 + +#define WLAN_ETHADDR_LEN 6 +#define WLAN_IEEE_OUI_LEN 3 + +#define WLAN_ETHCONV_ENCAP 1 +#define WLAN_ETHCONV_8021h 3 + +#define WLAN_ETHHDR_LEN 14 + +#define P80211CAPTURE_VERSION 0x80211001 + +#define P80211_FRMMETA_MAGIC 0x802110 + +#define P80211SKB_FRMMETA(s) \ + (((((struct p80211_frmmeta *)((s)->cb))->magic) == \ + P80211_FRMMETA_MAGIC) ? \ + ((struct p80211_frmmeta *)((s)->cb)) : \ + (NULL)) + +#define P80211SKB_RXMETA(s) \ + (P80211SKB_FRMMETA((s)) ? P80211SKB_FRMMETA((s))->rx : \ + ((struct p80211_rxmeta *)(NULL))) + +struct p80211_rxmeta { + struct wlandevice *wlandev; + + u64 mactime; /* Hi-rez MAC-supplied time value */ + u64 hosttime; /* Best-rez host supplied time value */ + + unsigned int rxrate; /* Receive data rate in 100kbps */ + unsigned int priority; /* 0-15, 0=contention, 6=CF */ + int signal; /* An SSI, see p80211netdev.h */ + int noise; /* An SSI, see p80211netdev.h */ + unsigned int channel; /* Receive channel (mostly for snifs) */ + unsigned int preamble; /* P80211ENUM_preambletype_* */ + unsigned int encoding; /* P80211ENUM_encoding_* */ + +}; + +struct p80211_frmmeta { + unsigned int magic; + struct p80211_rxmeta *rx; +}; + +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); + +/* + * Frame capture header. (See doc/capturefrm.txt) + */ +struct p80211_caphdr { + u32 version; + u32 length; + u64 mactime; + u64 hosttime; + u32 phytype; + u32 channel; + u32 datarate; + u32 antenna; + u32 priority; + u32 ssi_type; + s32 ssi_signal; + s32 ssi_noise; + u32 preamble; + u32 encoding; +}; + +/* buffer free method pointer type */ +typedef void (*freebuf_method_t) (void *buf, int size); + +struct p80211_metawep { + void *data; + u8 iv[4]; + u8 icv[4]; +}; + +/* local ether header type */ +struct wlan_ethhdr { + u8 daddr[WLAN_ETHADDR_LEN]; + u8 saddr[WLAN_ETHADDR_LEN]; + u16 type; +} __packed; + +/* local llc header type */ +struct wlan_llc { + u8 dsap; + u8 ssap; + u8 ctl; +} __packed; + +/* local snap header type */ +struct wlan_snap { + u8 oui[WLAN_IEEE_OUI_LEN]; + u16 type; +} __packed; + +/* Circular include trick */ +struct wlandevice; + +int skb_p80211_to_ether(struct wlandevice *wlandev, u32 ethconv, + struct sk_buff *skb); +int skb_ether_to_p80211(struct wlandevice *wlandev, u32 ethconv, + struct sk_buff *skb, union p80211_hdr *p80211_hdr, + struct p80211_metawep *p80211_wep); + +int p80211_stt_findproto(u16 proto); + +#endif -- cgit v1.2.3-54-g00ecf