brcm80211/brcmsmac/ampdu.h

0001 /*
0002  * Copyright (c) 2010 Broadcom Corporation
0003  *
0004  * Permission to use, copy, modify, and/or distribute this software for any
0005  * purpose with or without fee is hereby granted, provided that the above
0006  * copyright notice and this permission notice appear in all copies.
0007  *
0008  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
0009  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
0010  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
0011  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
0012  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
0013  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
0014  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
0015  */
0016
0017 #ifndef _BRCM_AMPDU_H_
0018 #define _BRCM_AMPDU_H_
0019
0020 /*
0021  * Data structure representing an in-progress session for accumulating
0022  * frames for AMPDU.
0023  *
0024  * wlc: pointer to common driver data
0025  * skb_list: queue of skb's for AMPDU
0026  * max_ampdu_len: maximum length for this AMPDU
0027  * max_ampdu_frames: maximum number of frames for this AMPDU
0028  * ampdu_len: total number of bytes accumulated for this AMPDU
0029  * dma_len: DMA length of this AMPDU
0030  */
0031 struct brcms_ampdu_session {
0032     struct brcms_c_info *wlc;
0033     struct sk_buff_head skb_list;
0034     unsigned max_ampdu_len;
0035     u16 max_ampdu_frames;
0036     u16 ampdu_len;
0037     u16 dma_len;
0038 };
0039
0040 void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session,
0041                  struct brcms_c_info *wlc);
0042 int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session,
0043                 struct sk_buff *p);
0044 void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session);
0045
0046 struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc);
0047 void brcms_c_ampdu_detach(struct ampdu_info *ampdu);
0048 void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
0049                   struct sk_buff *p, struct tx_status *txs);
0050 void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc);
0051 void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu);
0052
0053 #endif              /* _BRCM_AMPDU_H_ */