| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Greg Kroah-Hartman | 391 | 78.67% | 1 | 8.33% |
| Tim Collier | 55 | 11.07% | 2 | 16.67% |
| Solomon Peachy | 20 | 4.02% | 1 | 8.33% |
| Moritz Mühlenhoff | 17 | 3.42% | 3 | 25.00% |
| Edgardo Hames | 7 | 1.41% | 1 | 8.33% |
| Sergio Paracuellos | 3 | 0.60% | 2 | 16.67% |
| Bas van den Berg | 3 | 0.60% | 1 | 8.33% |
| Ebru Akagunduz | 1 | 0.20% | 1 | 8.33% |
| Total | 497 | 12 |
/* SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) */ /* p80211hdr.h * * Macros, types, and functions for handling 802.11 MAC headers * * 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 constants and types used in the interface * between a wlan driver and the user mode utilities. * * Note: * - Constant values are always in HOST byte order. To assign * values to multi-byte fields they _must_ be converted to * ieee byte order. To retrieve multi-byte values from incoming * frames, they must be converted to host order. * * All functions declared here are implemented in p80211.c * -------------------------------------------------------------------- */ #ifndef _P80211HDR_H #define _P80211HDR_H #include <linux/if_ether.h> /*--- Sizes -----------------------------------------------*/ #define WLAN_CRC_LEN 4 #define WLAN_BSSID_LEN 6 #define WLAN_HDR_A3_LEN 24 #define WLAN_HDR_A4_LEN 30 #define WLAN_SSID_MAXLEN 32 #define WLAN_DATA_MAXLEN 2312 #define WLAN_WEP_IV_LEN 4 #define WLAN_WEP_ICV_LEN 4 /*--- Frame Control Field -------------------------------------*/ /* Frame Types */ #define WLAN_FTYPE_MGMT 0x00 #define WLAN_FTYPE_CTL 0x01 #define WLAN_FTYPE_DATA 0x02 /* Frame subtypes */ /* Management */ #define WLAN_FSTYPE_ASSOCREQ 0x00 #define WLAN_FSTYPE_ASSOCRESP 0x01 #define WLAN_FSTYPE_REASSOCREQ 0x02 #define WLAN_FSTYPE_REASSOCRESP 0x03 #define WLAN_FSTYPE_PROBEREQ 0x04 #define WLAN_FSTYPE_PROBERESP 0x05 #define WLAN_FSTYPE_BEACON 0x08 #define WLAN_FSTYPE_ATIM 0x09 #define WLAN_FSTYPE_DISASSOC 0x0a #define WLAN_FSTYPE_AUTHEN 0x0b #define WLAN_FSTYPE_DEAUTHEN 0x0c /* Control */ #define WLAN_FSTYPE_BLOCKACKREQ 0x8 #define WLAN_FSTYPE_BLOCKACK 0x9 #define WLAN_FSTYPE_PSPOLL 0x0a #define WLAN_FSTYPE_RTS 0x0b #define WLAN_FSTYPE_CTS 0x0c #define WLAN_FSTYPE_ACK 0x0d #define WLAN_FSTYPE_CFEND 0x0e #define WLAN_FSTYPE_CFENDCFACK 0x0f /* Data */ #define WLAN_FSTYPE_DATAONLY 0x00 #define WLAN_FSTYPE_DATA_CFACK 0x01 #define WLAN_FSTYPE_DATA_CFPOLL 0x02 #define WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03 #define WLAN_FSTYPE_NULL 0x04 #define WLAN_FSTYPE_CFACK 0x05 #define WLAN_FSTYPE_CFPOLL 0x06 #define WLAN_FSTYPE_CFACK_CFPOLL 0x07 /*--- FC Macros ----------------------------------------------*/ /* Macros to get/set the bitfields of the Frame Control Field */ /* GET_FC_??? - takes the host byte-order value of an FC */ /* and retrieves the value of one of the */ /* bitfields and moves that value so its lsb is */ /* in bit 0. */ /* SET_FC_??? - takes a host order value for one of the FC */ /* bitfields and moves it to the proper bit */ /* location for ORing into a host order FC. */ /* To send the FC produced from SET_FC_???, */ /* one must put the bytes in IEEE order. */ /* e.g. */ /* printf("the frame subtype is %x", */ /* GET_FC_FTYPE( ieee2host( rx.fc ))) */ /* */ /* tx.fc = host2ieee( SET_FC_FTYPE(WLAN_FTYP_CTL) | */ /* SET_FC_FSTYPE(WLAN_FSTYPE_RTS) ); */ /*------------------------------------------------------------*/ #define WLAN_GET_FC_FTYPE(n) ((((u16)(n)) & GENMASK(3, 2)) >> 2) #define WLAN_GET_FC_FSTYPE(n) ((((u16)(n)) & GENMASK(7, 4)) >> 4) #define WLAN_GET_FC_TODS(n) ((((u16)(n)) & (BIT(8))) >> 8) #define WLAN_GET_FC_FROMDS(n) ((((u16)(n)) & (BIT(9))) >> 9) #define WLAN_GET_FC_ISWEP(n) ((((u16)(n)) & (BIT(14))) >> 14) #define WLAN_SET_FC_FTYPE(n) (((u16)(n)) << 2) #define WLAN_SET_FC_FSTYPE(n) (((u16)(n)) << 4) #define WLAN_SET_FC_TODS(n) (((u16)(n)) << 8) #define WLAN_SET_FC_FROMDS(n) (((u16)(n)) << 9) #define WLAN_SET_FC_ISWEP(n) (((u16)(n)) << 14) #define DOT11_RATE5_ISBASIC_GET(r) (((u8)(r)) & BIT(7)) /* Generic 802.11 Header types */ struct p80211_hdr_a3 { __le16 fc; u16 dur; u8 a1[ETH_ALEN]; u8 a2[ETH_ALEN]; u8 a3[ETH_ALEN]; u16 seq; } __packed; struct p80211_hdr_a4 { u16 fc; u16 dur; u8 a1[ETH_ALEN]; u8 a2[ETH_ALEN]; u8 a3[ETH_ALEN]; u16 seq; u8 a4[ETH_ALEN]; } __packed; union p80211_hdr { struct p80211_hdr_a3 a3; struct p80211_hdr_a4 a4; } __packed; /* Frame and header length macros */ static inline u16 wlan_ctl_framelen(u16 fstype) { switch (fstype) { case WLAN_FSTYPE_BLOCKACKREQ: return 24; case WLAN_FSTYPE_BLOCKACK: return 152; case WLAN_FSTYPE_PSPOLL: case WLAN_FSTYPE_RTS: case WLAN_FSTYPE_CFEND: case WLAN_FSTYPE_CFENDCFACK: return 20; case WLAN_FSTYPE_CTS: case WLAN_FSTYPE_ACK: return 14; default: return 4; } } #define WLAN_FCS_LEN 4 /* ftcl in HOST order */ static inline u16 p80211_headerlen(u16 fctl) { u16 hdrlen = 0; switch (WLAN_GET_FC_FTYPE(fctl)) { case WLAN_FTYPE_MGMT: hdrlen = WLAN_HDR_A3_LEN; break; case WLAN_FTYPE_DATA: hdrlen = WLAN_HDR_A3_LEN; if (WLAN_GET_FC_TODS(fctl) && WLAN_GET_FC_FROMDS(fctl)) hdrlen += ETH_ALEN; break; case WLAN_FTYPE_CTL: hdrlen = wlan_ctl_framelen(WLAN_GET_FC_FSTYPE(fctl)) - WLAN_FCS_LEN; break; default: hdrlen = WLAN_HDR_A3_LEN; } return hdrlen; } #endif /* _P80211HDR_H */
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1