mirror of
https://github.com/proski/madwifi
synced 2024-11-24 23:40:00 +03:00
d3842998ca
git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3617 0192ed92-7a03-0410-a25b-9323aeb14dbd
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2004 Atheros Communications Inc. All rights reserved.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef _NET_IF_ATH_PROTO_H_
|
|
#define _NET_IF_ATH_PROTO_H_
|
|
|
|
/*
|
|
* Atheros proprietary protocol info.
|
|
*/
|
|
|
|
/*
|
|
* Atheros RSSI, Signal, Noise, etc.
|
|
*/
|
|
|
|
#define ATH_DEFAULT_NOISE -95 /* dBm */
|
|
|
|
/*
|
|
* Atheros proprietary SuperG defines.
|
|
*/
|
|
|
|
#define ATH_ETH_TYPE 0x88bd
|
|
#define ATH_SNAP_ORGCODE_0 0x00
|
|
#define ATH_SNAP_ORGCODE_1 0x03
|
|
#define ATH_SNAP_ORGCODE_2 0x7f
|
|
|
|
struct athl2p_tunnel_hdr {
|
|
#if (_BYTE_ORDER == _LITTLE_ENDIAN)
|
|
u_int32_t offset:11,
|
|
seqNum:11,
|
|
optHdrLen32:2,
|
|
frameType:2,
|
|
proto:6;
|
|
#else /* big endian */
|
|
u_int32_t proto:6,
|
|
frameType:2,
|
|
optHdrLen32:2,
|
|
seqNum:11,
|
|
offset:11;
|
|
#endif
|
|
} __packed;
|
|
|
|
/*
|
|
* The following defines control compiling Atheros-specific features
|
|
* (see BuildCaps.inc):
|
|
*
|
|
* ATH_SUPERG_FF
|
|
* set to 1 for fast-frame
|
|
*/
|
|
|
|
#define ATH_L2TUNNEL_PROTO_FF 0
|
|
/* FF max payload:
|
|
* 802.2 + FFHDR + HPAD + 802.3 + 802.2 + 1500 + SPAD + 802.3 + 802.2 + 1500:
|
|
* 8 + 4 + 4 + 14 + 8 + 1500 + 6 + 14 + 8 + 1500
|
|
* = 3066
|
|
*/
|
|
#define ATH_FF_MAX_HDR_PAD 4
|
|
#define ATH_FF_MAX_SEP_PAD 6
|
|
#define ATH_FF_MAX_HDR 30
|
|
#define ATH_FF_MAX_PAYLOAD 3066
|
|
#define ATH_FF_MAX_LEN (ATH_FF_MAX_PAYLOAD + IEEE80211_CRC_LEN + \
|
|
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
|
|
|
|
/*
|
|
* Store a magic number in skb->cb[] area to indicate FF within driver.
|
|
* Offset of 8B into cb[] is used to preserve vlan tag info.
|
|
*/
|
|
#define ATH_FF_MAGIC_PUT(_skb) \
|
|
(SKB_CB(_skb)->flags |= M_FF)
|
|
#define ATH_FF_MAGIC_CLR(_skb) \
|
|
(SKB_CB(_skb)->flags &= ~M_FF)
|
|
#define ATH_FF_MAGIC_PRESENT(_skb) \
|
|
((SKB_CB(_skb)->flags & M_FF) != 0)
|
|
|
|
/*
|
|
* default value for the minimum txq depth required for an ath_buf to be
|
|
* placed on the FF staging queue. this value should be >=3 due to interaction
|
|
* with HW compression.
|
|
*/
|
|
#define ATH_FF_TXQMIN 3
|
|
|
|
/*
|
|
* default maximum age an ath_buf is allowed to remain on the staging queue.
|
|
* When this number of ath_bufs have been queued on the txq, after an ath_buf
|
|
* was placed on the staging queue, that ath_buf on the staging queue will be
|
|
* flushed.
|
|
*/
|
|
#define ATH_FF_STAGEQAGEMAX 5
|
|
|
|
/*
|
|
* Reserve enough buffer header length to avoid reallocation on fast-frame
|
|
* rx and tx.
|
|
*/
|
|
#define USE_HEADERLEN_RESV 1
|
|
|
|
#endif /* _NET_IF_ATH_PROTO_H_ */
|