drivers/net/wireless/brcm80211/brcmsmac/ampdu.h

   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 extern void brcms_c_ampdu_reset_session(struct brcms_ampdu_session *session,
  41                                         struct brcms_c_info *wlc);
  42 extern int brcms_c_ampdu_add_frame(struct brcms_ampdu_session *session,
  43                                    struct sk_buff *p);
  44 extern void brcms_c_ampdu_finalize(struct brcms_ampdu_session *session);
  45
  46 extern struct ampdu_info *brcms_c_ampdu_attach(struct brcms_c_info *wlc);
  47 extern void brcms_c_ampdu_detach(struct ampdu_info *ampdu);
  48 extern void brcms_c_ampdu_dotxstatus(struct ampdu_info *ampdu, struct scb *scb,
  49                                  struct sk_buff *p, struct tx_status *txs);
  50 extern void brcms_c_ampdu_macaddr_upd(struct brcms_c_info *wlc);
  51 extern void brcms_c_ampdu_shm_upd(struct ampdu_info *ampdu);
  52
  53 #endif                          /* _BRCM_AMPDU_H_ */