diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6330/dhd_bta.c')
| -rwxr-xr-x | ANDROID_3.4.5/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6330/dhd_bta.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6330/dhd_bta.c b/ANDROID_3.4.5/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6330/dhd_bta.c deleted file mode 100755 index 15c605ea..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/bcmdhd.1.28.23.x.cn_ap6330/dhd_bta.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * BT-AMP support routines - * - * Copyright (C) 1999-2012, Broadcom Corporation - * - * Unless you and Broadcom execute a separate written software license - * agreement governing use of this software, this software is licensed to you - * under the terms of the GNU General Public License version 2 (the "GPL"), - * available at http://www.broadcom.com/licenses/GPLv2.php, with the - * following added to such license: - * - * As a special exception, the copyright holders of this software give you - * permission to link this software with independent modules, and to copy and - * distribute the resulting executable under terms of your choice, provided that - * you also meet, for each linked independent module, the terms and conditions of - * the license of that module. An independent module is a module which is not - * derived from this software. The special exception does not apply to any - * modifications of the software. - * - * Notwithstanding the above, under no circumstances may you combine this - * software in any way with any other Broadcom software provided under a license - * other than the GPL, without Broadcom's express prior written consent. - * - * $Id: dhd_bta.c 303834 2011-12-20 06:17:39Z $ - */ -#ifndef WLBTAMP -#error "WLBTAMP is not defined" -#endif /* WLBTAMP */ - -#include <typedefs.h> -#include <osl.h> -#include <bcmcdc.h> -#include <bcmutils.h> -#include <bcmendian.h> -#include <proto/802.11.h> -#include <proto/802.11_bta.h> -#include <proto/bt_amp_hci.h> -#include <dngl_stats.h> -#include <dhd.h> -#include <dhd_bus.h> -#include <dhd_proto.h> -#include <dhdioctl.h> -#include <dhd_dbg.h> - -#include <dhd_bta.h> - - -#ifdef SEND_HCI_CMD_VIA_IOCTL -#define BTA_HCI_CMD_MAX_LEN HCI_CMD_PREAMBLE_SIZE + HCI_CMD_DATA_SIZE - -/* Send HCI cmd via wl iovar HCI_cmd to the dongle. */ -int -dhd_bta_docmd(dhd_pub_t *pub, void *cmd_buf, uint cmd_len) -{ - amp_hci_cmd_t *cmd = (amp_hci_cmd_t *)cmd_buf; - uint8 buf[BTA_HCI_CMD_MAX_LEN + 16]; - uint len = sizeof(buf); - wl_ioctl_t ioc; - - if (cmd_len < HCI_CMD_PREAMBLE_SIZE) - return BCME_BADLEN; - - if ((uint)cmd->plen + HCI_CMD_PREAMBLE_SIZE > cmd_len) - return BCME_BADLEN; - - len = bcm_mkiovar("HCI_cmd", - (char *)cmd, (uint)cmd->plen + HCI_CMD_PREAMBLE_SIZE, (char *)buf, len); - - - memset(&ioc, 0, sizeof(ioc)); - - ioc.cmd = WLC_SET_VAR; - ioc.buf = buf; - ioc.len = len; - ioc.set = TRUE; - - return dhd_wl_ioctl(pub, &ioc, ioc.buf, ioc.len); -} -#else /* !SEND_HCI_CMD_VIA_IOCTL */ - -static void -dhd_bta_flush_hcidata(dhd_pub_t *pub, uint16 llh) -{ - int prec; - struct pktq *q; - uint count = 0; - - q = dhd_bus_txq(pub->bus); - if (q == NULL) - return; - - DHD_BTA(("dhd: flushing HCI ACL data for logical link %u...\n", llh)); - - dhd_os_sdlock_txq(pub); - - /* Walk through the txq and toss all HCI ACL data packets */ - PKTQ_PREC_ITER(q, prec) { - void *head_pkt = NULL; - - while (pktq_ppeek(q, prec) != head_pkt) { - void *pkt = pktq_pdeq(q, prec); - int ifidx; - - PKTPULL(pub->osh, pkt, dhd_bus_hdrlen(pub->bus)); - dhd_prot_hdrpull(pub, &ifidx, pkt, NULL, NULL); - - if (PKTLEN(pub->osh, pkt) >= RFC1042_HDR_LEN) { - struct ether_header *eh = - (struct ether_header *)PKTDATA(pub->osh, pkt); - - if (ntoh16(eh->ether_type) < ETHER_TYPE_MIN) { - struct dot11_llc_snap_header *lsh = - (struct dot11_llc_snap_header *)&eh[1]; - - if (bcmp(lsh, BT_SIG_SNAP_MPROT, - DOT11_LLC_SNAP_HDR_LEN - 2) == 0 && - ntoh16(lsh->type) == BTA_PROT_L2CAP) { - amp_hci_ACL_data_t *ACL_data = - (amp_hci_ACL_data_t *)&lsh[1]; - uint16 handle = ltoh16(ACL_data->handle); - - if (HCI_ACL_DATA_HANDLE(handle) == llh) { - PKTFREE(pub->osh, pkt, TRUE); - count ++; - continue; - } - } - } - } - - dhd_prot_hdrpush(pub, ifidx, pkt); - PKTPUSH(pub->osh, pkt, dhd_bus_hdrlen(pub->bus)); - - if (head_pkt == NULL) - head_pkt = pkt; - pktq_penq(q, prec, pkt); - } - } - - dhd_os_sdunlock_txq(pub); - - DHD_BTA(("dhd: flushed %u packet(s) for logical link %u...\n", count, llh)); -} - -/* Handle HCI cmd locally. - * Return 0: continue to send the cmd across SDIO - * < 0: stop, fail - * > 0: stop, succuess - */ -static int -_dhd_bta_docmd(dhd_pub_t *pub, amp_hci_cmd_t *cmd) -{ - int status = 0; - - switch (ltoh16_ua((uint8 *)&cmd->opcode)) { - case HCI_Enhanced_Flush: { - eflush_cmd_parms_t *cmdparms = (eflush_cmd_parms_t *)cmd->parms; - dhd_bta_flush_hcidata(pub, ltoh16_ua(cmdparms->llh)); - break; - } - default: - break; - } - - return status; -} - -/* Send HCI cmd encapsulated in BT-SIG frame via data channel to the dongle. */ -int -dhd_bta_docmd(dhd_pub_t *pub, void *cmd_buf, uint cmd_len) -{ - amp_hci_cmd_t *cmd = (amp_hci_cmd_t *)cmd_buf; - struct ether_header *eh; - struct dot11_llc_snap_header *lsh; - osl_t *osh = pub->osh; - uint len; - void *p; - int status; - - if (cmd_len < HCI_CMD_PREAMBLE_SIZE) { - DHD_ERROR(("dhd_bta_docmd: short command, cmd_len %u\n", cmd_len)); - return BCME_BADLEN; - } - - if ((len = (uint)cmd->plen + HCI_CMD_PREAMBLE_SIZE) > cmd_len) { - DHD_ERROR(("dhd_bta_docmd: malformed command, len %u cmd_len %u\n", - len, cmd_len)); - /* return BCME_BADLEN; */ - } - - p = PKTGET(osh, pub->hdrlen + RFC1042_HDR_LEN + len, TRUE); - if (p == NULL) { - DHD_ERROR(("dhd_bta_docmd: out of memory\n")); - return BCME_NOMEM; - } - - - /* intercept and handle the HCI cmd locally */ - if ((status = _dhd_bta_docmd(pub, cmd)) > 0) - return 0; - else if (status < 0) - return status; - - /* copy in HCI cmd */ - PKTPULL(osh, p, pub->hdrlen + RFC1042_HDR_LEN); - bcopy(cmd, PKTDATA(osh, p), len); - - /* copy in partial Ethernet header with BT-SIG LLC/SNAP header */ - PKTPUSH(osh, p, RFC1042_HDR_LEN); - eh = (struct ether_header *)PKTDATA(osh, p); - bzero(eh->ether_dhost, ETHER_ADDR_LEN); - ETHER_SET_LOCALADDR(eh->ether_dhost); - bcopy(&pub->mac, eh->ether_shost, ETHER_ADDR_LEN); - eh->ether_type = hton16(len + DOT11_LLC_SNAP_HDR_LEN); - lsh = (struct dot11_llc_snap_header *)&eh[1]; - bcopy(BT_SIG_SNAP_MPROT, lsh, DOT11_LLC_SNAP_HDR_LEN - 2); - lsh->type = 0; - - return dhd_sendpkt(pub, 0, p); -} -#endif /* !SEND_HCI_CMD_VIA_IOCTL */ - -/* Send HCI ACL data to dongle via data channel */ -int -dhd_bta_tx_hcidata(dhd_pub_t *pub, void *data_buf, uint data_len) -{ - amp_hci_ACL_data_t *data = (amp_hci_ACL_data_t *)data_buf; - struct ether_header *eh; - struct dot11_llc_snap_header *lsh; - osl_t *osh = pub->osh; - uint len; - void *p; - - if (data_len < HCI_ACL_DATA_PREAMBLE_SIZE) { - DHD_ERROR(("dhd_bta_tx_hcidata: short data_buf, data_len %u\n", data_len)); - return BCME_BADLEN; - } - - if ((len = (uint)ltoh16(data->dlen) + HCI_ACL_DATA_PREAMBLE_SIZE) > data_len) { - DHD_ERROR(("dhd_bta_tx_hcidata: malformed hci data, len %u data_len %u\n", - len, data_len)); - /* return BCME_BADLEN; */ - } - - p = PKTGET(osh, pub->hdrlen + RFC1042_HDR_LEN + len, TRUE); - if (p == NULL) { - DHD_ERROR(("dhd_bta_tx_hcidata: out of memory\n")); - return BCME_NOMEM; - } - - - /* copy in HCI ACL data header and HCI ACL data */ - PKTPULL(osh, p, pub->hdrlen + RFC1042_HDR_LEN); - bcopy(data, PKTDATA(osh, p), len); - - /* copy in partial Ethernet header with BT-SIG LLC/SNAP header */ - PKTPUSH(osh, p, RFC1042_HDR_LEN); - eh = (struct ether_header *)PKTDATA(osh, p); - bzero(eh->ether_dhost, ETHER_ADDR_LEN); - bcopy(&pub->mac, eh->ether_shost, ETHER_ADDR_LEN); - eh->ether_type = hton16(len + DOT11_LLC_SNAP_HDR_LEN); - lsh = (struct dot11_llc_snap_header *)&eh[1]; - bcopy(BT_SIG_SNAP_MPROT, lsh, DOT11_LLC_SNAP_HDR_LEN - 2); - lsh->type = HTON16(BTA_PROT_L2CAP); - - return dhd_sendpkt(pub, 0, p); -} - -/* txcomplete callback */ -void -dhd_bta_tx_hcidata_complete(dhd_pub_t *dhdp, void *txp, bool success) -{ - uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, txp); - amp_hci_ACL_data_t *ACL_data = (amp_hci_ACL_data_t *)(pktdata + RFC1042_HDR_LEN); - uint16 handle = ltoh16(ACL_data->handle); - uint16 llh = HCI_ACL_DATA_HANDLE(handle); - - wl_event_msg_t event; - uint8 data[HCI_EVT_PREAMBLE_SIZE + sizeof(num_completed_data_blocks_evt_parms_t)]; - amp_hci_event_t *evt; - num_completed_data_blocks_evt_parms_t *parms; - - uint16 len = HCI_EVT_PREAMBLE_SIZE + sizeof(num_completed_data_blocks_evt_parms_t); - - /* update the event struct */ - memset(&event, 0, sizeof(event)); - event.version = hton16(BCM_EVENT_MSG_VERSION); - event.event_type = hton32(WLC_E_BTA_HCI_EVENT); - event.status = 0; - event.reason = 0; - event.auth_type = 0; - event.datalen = hton32(len); - event.flags = 0; - - /* generate Number of Completed Blocks event */ - evt = (amp_hci_event_t *)data; - evt->ecode = HCI_Number_of_Completed_Data_Blocks; - evt->plen = sizeof(num_completed_data_blocks_evt_parms_t); - - parms = (num_completed_data_blocks_evt_parms_t *)evt->parms; - htol16_ua_store(dhdp->maxdatablks, (uint8 *)&parms->num_blocks); - parms->num_handles = 1; - htol16_ua_store(llh, (uint8 *)&parms->completed[0].handle); - parms->completed[0].pkts = 1; - parms->completed[0].blocks = 1; - - dhd_sendup_event_common(dhdp, &event, data); -} - -/* event callback */ -void -dhd_bta_doevt(dhd_pub_t *dhdp, void *data_buf, uint data_len) -{ - amp_hci_event_t *evt = (amp_hci_event_t *)data_buf; - - switch (evt->ecode) { - case HCI_Command_Complete: { - cmd_complete_parms_t *parms = (cmd_complete_parms_t *)evt->parms; - switch (ltoh16_ua((uint8 *)&parms->opcode)) { - case HCI_Read_Data_Block_Size: { - read_data_block_size_evt_parms_t *parms2 = - (read_data_block_size_evt_parms_t *)parms->parms; - dhdp->maxdatablks = ltoh16_ua((uint8 *)&parms2->data_block_num); - break; - } - } - break; - } - - case HCI_Flush_Occurred: { - flush_occurred_evt_parms_t *evt_parms = (flush_occurred_evt_parms_t *)evt->parms; - dhd_bta_flush_hcidata(dhdp, ltoh16_ua((uint8 *)&evt_parms->handle)); - break; - } - default: - break; - } -} |