Return-path: Received: from mail.atheros.com ([12.36.123.2]:23296 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754185AbYLGQQq (ORCPT ); Sun, 7 Dec 2008 11:16:46 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Sun, 07 Dec 2008 08:16:46 -0800 From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <18747.63024.371660.2540@gargle.gargle.HOWL> (sfid-20081207_171649_864202_65D40F06) Date: Sun, 7 Dec 2008 21:43:36 +0530 To: CC: , , Subject: [PATCH 5/6] ath9k: Merge structures ath_atx, ath_node_aggr with ath_node Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Sujith --- drivers/net/wireless/ath9k/core.h | 160 ++++++++++++++++--------------------- drivers/net/wireless/ath9k/xmit.c | 6 +- 2 files changed, 72 insertions(+), 94 deletions(-) diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 0e3c225..41a87b9 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -290,18 +290,9 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, /* RX / TX */ /***********/ -#define ATH_MAX_ANTENNA 3 -#define ATH_RXBUF 512 -#define WME_NUM_TID 16 - -int ath_startrecv(struct ath_softc *sc); -bool ath_stoprecv(struct ath_softc *sc); -void ath_flushrecv(struct ath_softc *sc); -u32 ath_calcrxfilter(struct ath_softc *sc); -int ath_rx_init(struct ath_softc *sc, int nbufs); -void ath_rx_cleanup(struct ath_softc *sc); -int ath_rx_tasklet(struct ath_softc *sc, int flush); - +#define ATH_MAX_ANTENNA 3 +#define ATH_RXBUF 512 +#define WME_NUM_TID 16 #define ATH_TXBUF 512 #define ATH_TXMAXTRY 13 #define ATH_11N_TXMAXTRY 10 @@ -309,19 +300,61 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush); #define WME_BA_BMP_SIZE 64 #define WME_MAX_BA WME_BA_BMP_SIZE #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) + #define TID_TO_WME_AC(_tid) \ ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ WME_AC_VO) - #define WME_AC_BE 0 #define WME_AC_BK 1 #define WME_AC_VI 2 #define WME_AC_VO 3 #define WME_NUM_AC 4 +#define ADDBA_EXCHANGE_ATTEMPTS 10 +#define ATH_AGGR_DELIM_SZ 4 +#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ +/* number of delimiters for encryption padding */ +#define ATH_AGGR_ENCRYPTDELIM 10 +/* minimum h/w qdepth to be sustained to maximize aggregation */ +#define ATH_AGGR_MIN_QDEPTH 2 +#define ATH_AMPDU_SUBFRAME_DEFAULT 32 +#define IEEE80211_SEQ_SEQ_SHIFT 4 +#define IEEE80211_SEQ_MAX 4096 +#define IEEE80211_MIN_AMPDU_BUF 0x8 +#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13 + +/* return whether a bit at index _n in bitmap _bm is set + * _sz is the size of the bitmap */ +#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ + ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) + +/* return block-ack bitmap index given sequence and starting sequence */ +#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) + +/* returns delimiter padding required given the packet length */ +#define ATH_AGGR_GET_NDELIM(_len) \ + (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \ + (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2) + +#define BAW_WITHIN(_start, _bawsz, _seqno) \ + ((((_seqno) - (_start)) & 4095) < (_bawsz)) + +#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum) +#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low) +#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA) +#define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) + +enum ATH_AGGR_STATUS { + ATH_AGGR_DONE, + ATH_AGGR_BAW_CLOSED, + ATH_AGGR_LIMITED, + ATH_AGGR_SHORTPKT, + ATH_AGGR_8K_LIMITED, +}; + struct ath_txq { u32 axq_qnum; /* hardware q number */ u32 *axq_link; /* link ptr in last TX desc */ @@ -331,7 +364,6 @@ struct ath_txq { u32 axq_depth; /* queue depth */ u8 axq_aggr_depth; /* aggregates queued */ u32 axq_totalqueued; /* total ever queued */ - bool stopped; /* Is mac80211 queue stopped ? */ struct ath_buf *axq_linkbuf; /* virtual addr of last buffer*/ @@ -377,12 +409,6 @@ struct ath_atx_ac { struct list_head tid_q; /* queue of TIDs with buffers */ }; -/* per dest tx state */ -struct ath_atx { - struct ath_atx_tid tid[WME_NUM_TID]; - struct ath_atx_ac ac[WME_NUM_AC]; -}; - /* per-frame tx control block */ struct ath_tx_control { struct ath_txq *txq; @@ -408,13 +434,32 @@ struct ath_tx_stat { int rateKbps; int ratecode; int flags; -/* if any of ctl,extn chain rssis are valid */ -#define ATH_TX_CHAIN_RSSI_VALID 0x01 -/* if extn chain rssis are valid */ -#define ATH_TX_RSSI_EXTN_VALID 0x02 u32 airtime; /* time on air per final tx rate */ }; +struct aggr_rifs_param { + int param_max_frames; + int param_max_len; + int param_rl; + int param_al; + struct ath_rc_series *param_rcs; +}; + +struct ath_node { + struct ath_softc *an_sc; + struct ath_atx_tid tid[WME_NUM_TID]; + struct ath_atx_ac ac[WME_NUM_AC]; + u16 maxampdu; + u8 mpdudensity; +}; + +int ath_startrecv(struct ath_softc *sc); +bool ath_stoprecv(struct ath_softc *sc); +void ath_flushrecv(struct ath_softc *sc); +u32 ath_calcrxfilter(struct ath_softc *sc); +int ath_rx_init(struct ath_softc *sc, int nbufs); +void ath_rx_cleanup(struct ath_softc *sc); +int ath_rx_tasklet(struct ath_softc *sc, int flush); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); int ath_tx_setup(struct ath_softc *sc, int haltype); @@ -437,73 +482,6 @@ void ath_tx_tasklet(struct ath_softc *sc); u32 ath_txq_depth(struct ath_softc *sc, int qnum); u32 ath_txq_aggr_depth(struct ath_softc *sc, int qnum); void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb); - -/**********************/ -/* Node / Aggregation */ -/**********************/ - -#define ADDBA_EXCHANGE_ATTEMPTS 10 -#define ATH_AGGR_DELIM_SZ 4 -#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ -/* number of delimiters for encryption padding */ -#define ATH_AGGR_ENCRYPTDELIM 10 -/* minimum h/w qdepth to be sustained to maximize aggregation */ -#define ATH_AGGR_MIN_QDEPTH 2 -#define ATH_AMPDU_SUBFRAME_DEFAULT 32 -#define IEEE80211_SEQ_SEQ_SHIFT 4 -#define IEEE80211_SEQ_MAX 4096 -#define IEEE80211_MIN_AMPDU_BUF 0x8 -#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13 - -/* return whether a bit at index _n in bitmap _bm is set - * _sz is the size of the bitmap */ -#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ - ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) - -/* return block-ack bitmap index given sequence and starting sequence */ -#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) - -/* returns delimiter padding required given the packet length */ -#define ATH_AGGR_GET_NDELIM(_len) \ - (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \ - (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2) - -#define BAW_WITHIN(_start, _bawsz, _seqno) \ - ((((_seqno) - (_start)) & 4095) < (_bawsz)) - -#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum) -#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low) -#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA) -#define ATH_AN_2_TID(_an, _tidno) (&(_an)->an_aggr.tx.tid[(_tidno)]) - -enum ATH_AGGR_STATUS { - ATH_AGGR_DONE, - ATH_AGGR_BAW_CLOSED, - ATH_AGGR_LIMITED, - ATH_AGGR_SHORTPKT, - ATH_AGGR_8K_LIMITED, -}; - -struct aggr_rifs_param { - int param_max_frames; - int param_max_len; - int param_rl; - int param_al; - struct ath_rc_series *param_rcs; -}; - -/* Per-node aggregation state */ -struct ath_node_aggr { - struct ath_atx tx; -}; - -struct ath_node { - struct ath_softc *an_sc; - struct ath_node_aggr an_aggr; - u16 maxampdu; - u8 mpdudensity; -}; - void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid); bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno); void ath_tx_aggr_teardown(struct ath_softc *sc, struct ath_node *an, u8 tidno); diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 353b7ed..ec359c6 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -2405,7 +2405,7 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) /* * Init per tid tx state */ - for (tidno = 0, tid = &an->an_aggr.tx.tid[tidno]; + for (tidno = 0, tid = &an->tid[tidno]; tidno < WME_NUM_TID; tidno++, tid++) { tid->an = an; @@ -2419,7 +2419,7 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) INIT_LIST_HEAD(&tid->buf_q); acno = TID_TO_WME_AC(tidno); - tid->ac = &an->an_aggr.tx.ac[acno]; + tid->ac = &an->ac[acno]; /* ADDBA state */ tid->state &= ~AGGR_ADDBA_COMPLETE; @@ -2430,7 +2430,7 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) /* * Init per ac tx state */ - for (acno = 0, ac = &an->an_aggr.tx.ac[acno]; + for (acno = 0, ac = &an->ac[acno]; acno < WME_NUM_AC; acno++, ac++) { ac->sched = false; INIT_LIST_HEAD(&ac->tid_q); -- 1.6.0.3