| if_ath.c (239204) | if_ath.c (239205) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 14 unchanged lines hidden (view full) --- 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 */ 29 30#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 14 unchanged lines hidden (view full) --- 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 */ 29 30#include <sys/cdefs.h> |
| 31__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath.c 239204 2012-08-12 00:37:29Z adrian $"); | 31__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath.c 239205 2012-08-12 00:46:15Z adrian $"); |
| 32 33/* 34 * Driver for the Atheros Wireless LAN controller. 35 * 36 * This software is derived from work of Atsushi Onoe; his contribution 37 * is greatly appreciated. 38 */ 39 --- 3942 unchanged lines hidden (view full) --- 3982 /* 3983 * XXX the buffer used to be freed -after-, but the DMA map was 3984 * freed where ath_freebuf() now is. I've no idea what this 3985 * will do. 3986 */ 3987} 3988 3989void | 32 33/* 34 * Driver for the Atheros Wireless LAN controller. 35 * 36 * This software is derived from work of Atsushi Onoe; his contribution 37 * is greatly appreciated. 38 */ 39 --- 3942 unchanged lines hidden (view full) --- 3982 /* 3983 * XXX the buffer used to be freed -after-, but the DMA map was 3984 * freed where ath_freebuf() now is. I've no idea what this 3985 * will do. 3986 */ 3987} 3988 3989void |
| 3990ath_legacy_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq) | 3990ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq) |
| 3991{ 3992#ifdef ATH_DEBUG 3993 struct ath_hal *ah = sc->sc_ah; 3994#endif 3995 struct ath_buf *bf; 3996 u_int ix; 3997 3998 /* --- 9 unchanged lines hidden (view full) --- 4008 bf->bf_flags &= ~ATH_BUF_BUSY; 4009 ATH_TXBUF_UNLOCK(sc); 4010 4011 for (ix = 0;; ix++) { 4012 ATH_TXQ_LOCK(txq); 4013 bf = TAILQ_FIRST(&txq->axq_q); 4014 if (bf == NULL) { 4015 txq->axq_link = NULL; | 3991{ 3992#ifdef ATH_DEBUG 3993 struct ath_hal *ah = sc->sc_ah; 3994#endif 3995 struct ath_buf *bf; 3996 u_int ix; 3997 3998 /* --- 9 unchanged lines hidden (view full) --- 4008 bf->bf_flags &= ~ATH_BUF_BUSY; 4009 ATH_TXBUF_UNLOCK(sc); 4010 4011 for (ix = 0;; ix++) { 4012 ATH_TXQ_LOCK(txq); 4013 bf = TAILQ_FIRST(&txq->axq_q); 4014 if (bf == NULL) { 4015 txq->axq_link = NULL; |
| 4016 /* 4017 * There's currently no flag that indicates 4018 * a buffer is on the FIFO. So until that 4019 * occurs, just clear the FIFO counter here. 4020 * 4021 * Yes, this means that if something in parallel 4022 * is pushing things onto this TXQ and pushing 4023 * _that_ into the hardware, things will get 4024 * very fruity very quickly. 4025 */ 4026 txq->axq_fifo_depth = 0; |
|
| 4016 ATH_TXQ_UNLOCK(txq); 4017 break; 4018 } 4019 ATH_TXQ_REMOVE(txq, bf, bf_list); 4020 if (bf->bf_state.bfs_aggr) 4021 txq->axq_aggr_depth--; 4022#ifdef ATH_DEBUG 4023 if (sc->sc_debug & ATH_DEBUG_RESET) { 4024 struct ieee80211com *ic = sc->sc_ifp->if_l2com; | 4027 ATH_TXQ_UNLOCK(txq); 4028 break; 4029 } 4030 ATH_TXQ_REMOVE(txq, bf, bf_list); 4031 if (bf->bf_state.bfs_aggr) 4032 txq->axq_aggr_depth--; 4033#ifdef ATH_DEBUG 4034 if (sc->sc_debug & ATH_DEBUG_RESET) { 4035 struct ieee80211com *ic = sc->sc_ifp->if_l2com; |
| 4036 int status = 0; |
|
| 4025 | 4037 |
| 4026 ath_printtxbuf(sc, bf, txq->axq_qnum, ix, 4027 ath_hal_txprocdesc(ah, bf->bf_lastds, | 4038 /* 4039 * EDMA operation has a TX completion FIFO 4040 * separate from the TX descriptor, so this 4041 * method of checking the "completion" status 4042 * is wrong. 4043 */ 4044 if (! sc->sc_isedma) { 4045 status = (ath_hal_txprocdesc(ah, 4046 bf->bf_lastds, |
| 4028 &bf->bf_status.ds_txstat) == HAL_OK); | 4047 &bf->bf_status.ds_txstat) == HAL_OK); |
| 4048 } 4049 ath_printtxbuf(sc, bf, txq->axq_qnum, ix, status); |
|
| 4029 ieee80211_dump_pkt(ic, mtod(bf->bf_m, const uint8_t *), 4030 bf->bf_m->m_len, 0, -1); 4031 } 4032#endif /* ATH_DEBUG */ 4033 /* 4034 * Since we're now doing magic in the completion 4035 * functions, we -must- call it for aggregation 4036 * destinations or BAW tracking will get upset. --- 1246 unchanged lines hidden --- | 4050 ieee80211_dump_pkt(ic, mtod(bf->bf_m, const uint8_t *), 4051 bf->bf_m->m_len, 0, -1); 4052 } 4053#endif /* ATH_DEBUG */ 4054 /* 4055 * Since we're now doing magic in the completion 4056 * functions, we -must- call it for aggregation 4057 * destinations or BAW tracking will get upset. --- 1246 unchanged lines hidden --- |