xref: /freebsd/sys/contrib/dev/broadcom/brcm80211/brcmsmac/ampdu.h (revision b4c3e9b5b09c829b4135aff738bd2893ed052377)
1*b4c3e9b5SBjoern A. Zeeb /*
2*b4c3e9b5SBjoern A. Zeeb  * Copyright (c) 2010 Broadcom Corporation
3*b4c3e9b5SBjoern A. Zeeb  *
4*b4c3e9b5SBjoern A. Zeeb  * Permission to use, copy, modify, and/or distribute this software for any
5*b4c3e9b5SBjoern A. Zeeb  * purpose with or without fee is hereby granted, provided that the above
6*b4c3e9b5SBjoern A. Zeeb  * copyright notice and this permission notice appear in all copies.
7*b4c3e9b5SBjoern A. Zeeb  *
8*b4c3e9b5SBjoern A. Zeeb  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*b4c3e9b5SBjoern A. Zeeb  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*b4c3e9b5SBjoern A. Zeeb  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11*b4c3e9b5SBjoern A. Zeeb  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*b4c3e9b5SBjoern A. Zeeb  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13*b4c3e9b5SBjoern A. Zeeb  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14*b4c3e9b5SBjoern A. Zeeb  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*b4c3e9b5SBjoern A. Zeeb  */
16*b4c3e9b5SBjoern A. Zeeb 
17*b4c3e9b5SBjoern A. Zeeb #ifndef _BRCM_AMPDU_H_
18*b4c3e9b5SBjoern A. Zeeb #define _BRCM_AMPDU_H_
19*b4c3e9b5SBjoern A. Zeeb 
20*b4c3e9b5SBjoern A. Zeeb /*
21*b4c3e9b5SBjoern A. Zeeb  * Data structure representing an in-progress session for accumulating
22*b4c3e9b5SBjoern A. Zeeb  * frames for AMPDU.
23*b4c3e9b5SBjoern A. Zeeb  *
24*b4c3e9b5SBjoern A. Zeeb  * wlc: pointer to common driver data
25*b4c3e9b5SBjoern A. Zeeb  * skb_list: queue of skb's for AMPDU
26*b4c3e9b5SBjoern A. Zeeb  * max_ampdu_len: maximum length for this AMPDU
27*b4c3e9b5SBjoern A. Zeeb  * max_ampdu_frames: maximum number of frames for this AMPDU
28*b4c3e9b5SBjoern A. Zeeb  * ampdu_len: total number of bytes accumulated for this AMPDU
29*b4c3e9b5SBjoern A. Zeeb  * dma_len: DMA length of this AMPDU
30*b4c3e9b5SBjoern A. Zeeb  */
31*b4c3e9b5SBjoern A. Zeeb struct brcms_ampdu_session {
32*b4c3e9b5SBjoern A. Zeeb 	struct brcms_c_info *wlc;
33*b4c3e9b5SBjoern A. Zeeb 	struct sk_buff_head skb_list;
34*b4c3e9b5SBjoern A. Zeeb 	unsigned max_ampdu_len;
35*b4c3e9b5SBjoern A. Zeeb 	u16 max_ampdu_frames;
36*b4c3e9b5SBjoern A. Zeeb 	u16 ampdu_len;
37*b4c3e9b5SBjoern A. Zeeb 	u16 dma_len;
38*b4c3e9b5SBjoern A. Zeeb };
39*b4c3e9b5SBjoern A. Zeeb 
40*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session,
41*b4c3e9b5SBjoern A. Zeeb 				 struct brcms_c_info *wlc);
42*b4c3e9b5SBjoern A. Zeeb int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session,
43*b4c3e9b5SBjoern A. Zeeb 			    struct sk_buff *p);
44*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session);
45*b4c3e9b5SBjoern A. Zeeb 
46*b4c3e9b5SBjoern A. Zeeb struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc);
47*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_detach(struct ampdu_info *ampdu);
48*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
49*b4c3e9b5SBjoern A. Zeeb 			      struct sk_buff *p, struct tx_status *txs);
50*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc);
51*b4c3e9b5SBjoern A. Zeeb void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu);
52*b4c3e9b5SBjoern A. Zeeb 
53*b4c3e9b5SBjoern A. Zeeb #endif				/* _BRCM_AMPDU_H_ */
54