1 /* 2 * CDC network driver ioctl/indication encoding 3 * Broadcom 802.11abg Networking Device Driver 4 * 5 * Definitions subject to change without notice. 6 * 7 * Copyright (C) 1999-2009, Broadcom Corporation 8 * 9 * Unless you and Broadcom execute a separate written software license 10 * agreement governing use of this software, this software is licensed to you 11 * under the terms of the GNU General Public License version 2 (the "GPL"), 12 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 13 * following added to such license: 14 * 15 * As a special exception, the copyright holders of this software give you 16 * permission to link this software with independent modules, and to copy and 17 * distribute the resulting executable under terms of your choice, provided that 18 * you also meet, for each linked independent module, the terms and conditions of 19 * the license of that module. An independent module is a module which is not 20 * derived from this software. The special exception does not apply to any 21 * modifications of the software. 22 * 23 * Notwithstanding the above, under no circumstances may you combine this 24 * software in any way with any other Broadcom software provided under a license 25 * other than the GPL, without Broadcom's express prior written consent. 26 * 27 * $Id: bcmcdc.h,v 13.14.16.3.16.4 2009/04/12 16:58:45 Exp $ 28 */ 29 #include <proto/ethernet.h> 30 31 typedef struct cdc_ioctl { 32 uint32 cmd; /* ioctl command value */ 33 uint32 len; /* lower 16: output buflen; upper 16: input buflen (excludes header) */ 34 uint32 flags; /* flag defns given below */ 35 uint32 status; /* status code returned from the device */ 36 } cdc_ioctl_t; 37 38 /* Max valid buffer size that can be sent to the dongle */ 39 #define CDC_MAX_MSG_SIZE ETHER_MAX_LEN 40 41 /* len field is divided into input and output buffer lengths */ 42 #define CDCL_IOC_OUTLEN_MASK 0x0000FFFF /* maximum or expected response length, */ 43 /* excluding IOCTL header */ 44 #define CDCL_IOC_OUTLEN_SHIFT 0 45 #define CDCL_IOC_INLEN_MASK 0xFFFF0000 /* input buffer length, excluding IOCTL header */ 46 #define CDCL_IOC_INLEN_SHIFT 16 47 48 /* CDC flag definitions */ 49 #define CDCF_IOC_ERROR 0x01 /* 0=success, 1=ioctl cmd failed */ 50 #define CDCF_IOC_SET 0x02 /* 0=get, 1=set cmd */ 51 #define CDCF_IOC_IF_MASK 0xF000 /* I/F index */ 52 #define CDCF_IOC_IF_SHIFT 12 53 #define CDCF_IOC_ID_MASK 0xFFFF0000 /* used to uniquely id an ioctl req/resp pairing */ 54 #define CDCF_IOC_ID_SHIFT 16 /* # of bits of shift for ID Mask */ 55 56 #define CDC_IOC_IF_IDX(flags) (((flags) & CDCF_IOC_IF_MASK) >> CDCF_IOC_IF_SHIFT) 57 #define CDC_IOC_ID(flags) (((flags) & CDCF_IOC_ID_MASK) >> CDCF_IOC_ID_SHIFT) 58 59 #define CDC_GET_IF_IDX(hdr) \ 60 ((int)((((hdr)->flags) & CDCF_IOC_IF_MASK) >> CDCF_IOC_IF_SHIFT)) 61 #define CDC_SET_IF_IDX(hdr, idx) \ 62 ((hdr)->flags = (((hdr)->flags & ~CDCF_IOC_IF_MASK) | ((idx) << CDCF_IOC_IF_SHIFT))) 63 64 /* 65 * BDC header 66 * 67 * The BDC header is used on data packets to convey priority across USB. 68 */ 69 70 #define BDC_HEADER_LEN 4 71 72 #define BDC_PROTO_VER 1 /* Protocol version */ 73 74 #define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ 75 #define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ 76 77 #define BDC_FLAG__UNUSED 0x03 /* Unassigned */ 78 #define BDC_FLAG_SUM_GOOD 0x04 /* Dongle has verified good RX checksums */ 79 #define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ 80 81 #define BDC_PRIORITY_MASK 0x7 82 83 #define BDC_FLAG2_FC_FLAG 0x10 /* flag to indicate if pkt contains */ 84 /* FLOW CONTROL info only */ 85 #define BDC_PRIORITY_FC_SHIFT 4 /* flow control info shift */ 86 87 #define BDC_FLAG2_IF_MASK 0x0f /* APSTA: interface on which the packet was received */ 88 #define BDC_FLAG2_IF_SHIFT 0 89 90 #define BDC_GET_IF_IDX(hdr) \ 91 ((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT)) 92 #define BDC_SET_IF_IDX(hdr, idx) \ 93 ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | ((idx) << BDC_FLAG2_IF_SHIFT))) 94 95 struct bdc_header { 96 uint8 flags; /* Flags */ 97 uint8 priority; /* 802.1d Priority 0:2 bits, 4:7 flow control info for usb */ 98 uint8 flags2; 99 uint8 rssi; 100 }; 101
