diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_tx.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_tx.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_tx.c b/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_tx.c new file mode 100644 index 00000000..31d621bd --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_tx.c @@ -0,0 +1,117 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* $OpenBSD: if_rtwn.c,v 1.6 2015/08/28 00:03:53 deraadt Exp $ */ + +/*- + * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> + * Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org> + * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org> + * + * Permission to use, copy, modify, and 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rtems/bsd/local/opt_wlan.h> + +#include <rtems/bsd/sys/param.h> +#include <rtems/bsd/sys/lock.h> +#include <sys/mutex.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/queue.h> +#include <sys/taskqueue.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/linker.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <net/if.h> +#include <net/ethernet.h> +#include <net/if_media.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/rtwn/if_rtwnvar.h> +#include <dev/rtwn/if_rtwn_debug.h> + +#include <dev/rtwn/pci/rtwn_pci_var.h> + +#include <dev/rtwn/rtl8192c/pci/r92ce.h> +#include <dev/rtwn/rtl8192c/pci/r92ce_tx_desc.h> + + +void +r92ce_setup_tx_desc(struct rtwn_pci_softc *pc, void *desc, + uint32_t next_desc_addr) +{ + struct r92ce_tx_desc *txd = desc; + + /* setup tx desc */ + txd->nextdescaddr = htole32(next_desc_addr); +} + +void +r92ce_tx_postsetup(struct rtwn_pci_softc *pc, void *desc, + bus_dma_segment_t segs[]) +{ + struct r92ce_tx_desc *txd = desc; + + txd->txbufaddr = htole32(segs[0].ds_addr); + txd->txbufsize = txd->pktlen; + bus_space_barrier(pc->pc_st, pc->pc_sh, 0, pc->pc_mapsize, + BUS_SPACE_BARRIER_WRITE); +} + +void +r92ce_copy_tx_desc(void *dest, const void *src) +{ + struct r92ce_tx_desc *txd = dest; + size_t len = sizeof(struct r92c_tx_desc) + + sizeof(txd->txbufsize) + sizeof(txd->pad); + + if (src != NULL) + memcpy(dest, src, len); + else + memset(dest, 0, len); +} + +void +r92ce_dump_tx_desc(struct rtwn_softc *sc, const void *desc) +{ +#ifdef RTWN_DEBUG + const struct r92ce_tx_desc *txd = desc; + + RTWN_DPRINTF(sc, RTWN_DEBUG_XMIT_DESC, + "%s: len %d, off %d, flags0 %02X, dw: 1 %08X, 2 %08X, 3 %04X " + "(seq %04X), 4 %08X, 5 %08X, 6 %08X, size %04X, pad %04X, " + "addr: %08X (64: %08X), next: %08X (64: %08X), " + "rsvd: %08X %08X %08X %08X\n", + __func__, le16toh(txd->pktlen), txd->offset, txd->flags0, + le32toh(txd->txdw1), le32toh(txd->txdw2), le16toh(txd->txdw3), + le16toh(txd->txdseq), le32toh(txd->txdw4), le32toh(txd->txdw5), + le32toh(txd->txdw6), le16toh(txd->txbufsize), le16toh(txd->pad), + le32toh(txd->txbufaddr), le32toh(txd->txbufaddr64), + le32toh(txd->nextdescaddr), le32toh(txd->nextdescaddr64), + le32toh(txd->reserved[0]), le32toh(txd->reserved[1]), + le32toh(txd->reserved[2]), le32toh(txd->reserved[3])); +#endif +} |