diff options
Diffstat (limited to 'drivers/staging/ath6kl/reorder/aggr_rx_internal.h')
| -rw-r--r-- | drivers/staging/ath6kl/reorder/aggr_rx_internal.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/drivers/staging/ath6kl/reorder/aggr_rx_internal.h b/drivers/staging/ath6kl/reorder/aggr_rx_internal.h deleted file mode 100644 index 11125967d53..00000000000 --- a/drivers/staging/ath6kl/reorder/aggr_rx_internal.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * - * Copyright (c) 2004-2010 Atheros Communications Inc. - * All rights reserved. - * - * -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// - * - */ - -#ifndef __AGGR_RX_INTERNAL_H__ -#define __AGGR_RX_INTERNAL_H__ - -#include "a_osapi.h" -#include "aggr_recv_api.h" - -#define AGGR_WIN_IDX(x, y) ((x) % (y)) -#define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x)+1), (y)) -#define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x)-1), (y)) -#define IEEE80211_MAX_SEQ_NO 0xFFF -#define IEEE80211_NEXT_SEQ_NO(x) (((x) + 1) & IEEE80211_MAX_SEQ_NO) - - -#define NUM_OF_TIDS 8 -#define AGGR_SZ_DEFAULT 8 - -#define AGGR_WIN_SZ_MIN 2 -#define AGGR_WIN_SZ_MAX 8 -/* TID Window sz is double of what is negotiated. Derive TID_WINDOW_SZ from win_sz, per tid */ -#define TID_WINDOW_SZ(_x) ((_x) << 1) - -#define AGGR_NUM_OF_FREE_NETBUFS 16 - -#define AGGR_GET_RXTID_STATS(_p, _x) (&(_p->stat[(_x)])) -#define AGGR_GET_RXTID(_p, _x) (&(_p->RxTid[(_x)])) - -/* Hold q is a function of win_sz, which is negotiated per tid */ -#define HOLD_Q_SZ(_x) (TID_WINDOW_SZ((_x))*sizeof(struct osbuf_hold_q)) -/* AGGR_RX_TIMEOUT value is important as a (too) small value can cause frames to be - * delivered out of order and a (too) large value can cause undesirable latency in - * certain situations. */ -#define AGGR_RX_TIMEOUT 400 /* Timeout(in ms) for delivery of frames, if they are stuck */ - -typedef enum { - ALL_SEQNO = 0, - CONTIGUOUS_SEQNO = 1, -}DELIVERY_ORDER; - -struct osbuf_hold_q { - void *osbuf; - bool is_amsdu; - u16 seq_no; -}; - - -#if 0 -/* XXX: unused ? */ -struct window_snapshot { - u16 seqno_st; - u16 seqno_end; -}; -#endif - -struct rxtid { - bool aggr; /* is it ON or OFF */ - bool progress; /* true when frames have arrived after a timer start */ - bool timerMon; /* true if the timer started for the sake of this TID */ - u16 win_sz; /* negotiated window size */ - u16 seq_next; /* Next seq no, in current window */ - u32 hold_q_sz; /* Num of frames that can be held in hold q */ - struct osbuf_hold_q *hold_q; /* Hold q for re-order */ -#if 0 - struct window_snapshot old_win; /* Sliding window snapshot - for timeout */ -#endif - A_NETBUF_QUEUE_T q; /* q head for enqueuing frames for dispatch */ - A_MUTEX_T lock; -}; - -struct rxtid_stats { - u32 num_into_aggr; /* hitting at the input of this module */ - u32 num_dups; /* duplicate */ - u32 num_oow; /* out of window */ - u32 num_mpdu; /* single payload 802.3/802.11 frame */ - u32 num_amsdu; /* AMSDU */ - u32 num_delivered; /* frames delivered to IP stack */ - u32 num_timeouts; /* num of timeouts, during which frames delivered */ - u32 num_hole; /* frame not present, when window moved over */ - u32 num_bar; /* num of resets of seq_num, via BAR */ -}; - -struct aggr_info { - u8 aggr_sz; /* config value of aggregation size */ - u8 timerScheduled; - A_TIMER timer; /* timer for returning held up pkts in re-order que */ - void *dev; /* dev handle */ - RX_CALLBACK rx_fn; /* callback function to return frames; to upper layer */ - struct rxtid RxTid[NUM_OF_TIDS]; /* Per tid window */ - ALLOC_NETBUFS netbuf_allocator; /* OS netbuf alloc fn */ - A_NETBUF_QUEUE_T freeQ; /* pre-allocated buffers - for A_MSDU slicing */ - struct rxtid_stats stat[NUM_OF_TIDS]; /* Tid based statistics */ - PACKET_LOG pkt_log; /* Log info of the packets */ -}; - -#endif /* __AGGR_RX_INTERNAL_H__ */ |