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