| if_ath_tx.c (248985) | if_ath_tx.c (248988) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2010-2012 Adrian Chadd, Xenion Pty Ltd 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 15 unchanged lines hidden (view full) --- 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGES. 29 */ 30 31#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2010-2012 Adrian Chadd, Xenion Pty Ltd 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 15 unchanged lines hidden (view full) --- 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGES. 29 */ 30 31#include <sys/cdefs.h> |
| 32__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath_tx.c 248985 2013-04-01 20:12:21Z adrian $"); | 32__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath_tx.c 248988 2013-04-01 20:57:13Z adrian $"); |
| 33 34/* 35 * Driver for the Atheros Wireless LAN controller. 36 * 37 * This software is derived from work of Atsushi Onoe; his contribution 38 * is greatly appreciated. 39 */ 40 --- 3796 unchanged lines hidden (view full) --- 3837 3838static struct ath_buf * 3839ath_tx_retry_clone(struct ath_softc *sc, struct ath_node *an, 3840 struct ath_tid *tid, struct ath_buf *bf) 3841{ 3842 struct ath_buf *nbf; 3843 int error; 3844 | 33 34/* 35 * Driver for the Atheros Wireless LAN controller. 36 * 37 * This software is derived from work of Atsushi Onoe; his contribution 38 * is greatly appreciated. 39 */ 40 --- 3796 unchanged lines hidden (view full) --- 3837 3838static struct ath_buf * 3839ath_tx_retry_clone(struct ath_softc *sc, struct ath_node *an, 3840 struct ath_tid *tid, struct ath_buf *bf) 3841{ 3842 struct ath_buf *nbf; 3843 int error; 3844 |
| 3845 /* 3846 * Clone the buffer. This will handle the dma unmap and 3847 * copy the node reference to the new buffer. If this 3848 * works out, 'bf' will have no DMA mapping, no mbuf 3849 * pointer and no node reference. 3850 */ |
|
| 3845 nbf = ath_buf_clone(sc, bf); 3846 3847#if 0 3848 device_printf(sc->sc_dev, "%s: ATH_BUF_BUSY; cloning\n", 3849 __func__); 3850#endif 3851 3852 if (nbf == NULL) { --- 21 unchanged lines hidden (view full) --- 3874 ATH_TXBUF_UNLOCK(sc); 3875 return NULL; 3876 } 3877 3878 /* Update BAW if required, before we free the original buf */ 3879 if (bf->bf_state.bfs_dobaw) 3880 ath_tx_switch_baw_buf(sc, an, tid, bf, nbf); 3881 | 3851 nbf = ath_buf_clone(sc, bf); 3852 3853#if 0 3854 device_printf(sc->sc_dev, "%s: ATH_BUF_BUSY; cloning\n", 3855 __func__); 3856#endif 3857 3858 if (nbf == NULL) { --- 21 unchanged lines hidden (view full) --- 3880 ATH_TXBUF_UNLOCK(sc); 3881 return NULL; 3882 } 3883 3884 /* Update BAW if required, before we free the original buf */ 3885 if (bf->bf_state.bfs_dobaw) 3886 ath_tx_switch_baw_buf(sc, an, tid, bf, nbf); 3887 |
| 3882 /* Free current buffer; return the older buffer */ 3883 bf->bf_m = NULL; 3884 bf->bf_node = NULL; | 3888 /* Free original buffer; return new buffer */ |
| 3885 ath_freebuf(sc, bf); 3886 3887 return nbf; 3888} 3889 3890/* 3891 * Handle retrying an unaggregate frame in an aggregate 3892 * session. --- 1664 unchanged lines hidden --- | 3889 ath_freebuf(sc, bf); 3890 3891 return nbf; 3892} 3893 3894/* 3895 * Handle retrying an unaggregate frame in an aggregate 3896 * session. --- 1664 unchanged lines hidden --- |