xref: /freebsd/sys/dev/ath/if_ath_tx_ht.h (revision b740c88bfb6453416926271c089262e7164dace3)
1 /*
2  * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	__IF_ATH_TX_HT_H__
32 #define	__IF_ATH_TX_HT_H__
33 
34 enum {
35 	MCS_HT20,
36 	MCS_HT20_SGI,
37 	MCS_HT40,
38 	MCS_HT40_SGI,
39 };
40 
41 typedef enum {
42 	ATH_AGGR_DONE,
43 	ATH_AGGR_BAW_CLOSED,
44 	ATH_AGGR_LIMITED,
45 	ATH_AGGR_SHORTPKT,
46 	ATH_AGGR_8K_LIMITED,
47 	ATH_AGGR_ERROR,
48 	ATH_AGGR_NONAGGR,
49 	ATH_AGGR_LEAK_CLOSED,
50 } ATH_AGGR_STATUS;
51 
52 extern int	ath_max_4ms_framelen[4][32];
53 
54 extern void ath_tx_rate_fill_rcflags(struct ath_softc *sc, struct ath_buf *bf);
55 
56 extern void	ath_buf_set_rate(struct ath_softc *sc,
57 		struct ieee80211_node *ni, struct ath_buf *bf);
58 
59 extern ATH_AGGR_STATUS
60 	    ath_tx_form_aggr(struct ath_softc *sc, struct ath_node *an,
61 	    struct ath_tid *tid, ath_bufhead *bf_q);
62 
63 #endif
64