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_ */ 54