513 lines
14 KiB
C
513 lines
14 KiB
C
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/*
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* DHD debugability Linux os layer
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* Copyright (C) 1999-2017, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: dhd_debug_linux.c 710862 2017-07-14 07:43:59Z $
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*/
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#include <typedefs.h>
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#include <osl.h>
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#include <bcmutils.h>
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#include <bcmendian.h>
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#include <dngl_stats.h>
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#include <dhd.h>
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#include <dhd_dbg.h>
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#include <dhd_debug.h>
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#include <net/cfg80211.h>
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#include <wl_cfgvendor.h>
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typedef void (*dbg_ring_send_sub_t)(void *ctx, const int ring_id, const void *data,
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const uint32 len, const dhd_dbg_ring_status_t ring_status);
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typedef void (*dbg_urgent_noti_sub_t)(void *ctx, const void *data,
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const uint32 len, const uint32 fw_len);
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static dbg_ring_send_sub_t ring_send_sub_cb[DEBUG_RING_ID_MAX];
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static dbg_urgent_noti_sub_t urgent_noti_sub_cb;
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typedef struct dhd_dbg_os_ring_info {
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dhd_pub_t *dhdp;
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int ring_id;
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int log_level;
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unsigned long interval;
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struct delayed_work work;
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uint64 tsoffset;
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} linux_dbgring_info_t;
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struct log_level_table dhd_event_map[] = {
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{1, WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED, 0, "DRIVER EAPOL TX REQ"},
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{1, WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED, 0, "DRIVER EAPOL RX"},
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{2, WIFI_EVENT_DRIVER_SCAN_REQUESTED, 0, "SCAN_REQUESTED"},
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{2, WIFI_EVENT_DRIVER_SCAN_COMPLETE, 0, "SCAN COMPELETE"},
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{3, WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND, 0, "SCAN RESULT FOUND"},
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{2, WIFI_EVENT_DRIVER_PNO_ADD, 0, "PNO ADD"},
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{2, WIFI_EVENT_DRIVER_PNO_REMOVE, 0, "PNO REMOVE"},
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{2, WIFI_EVENT_DRIVER_PNO_NETWORK_FOUND, 0, "PNO NETWORK FOUND"},
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{2, WIFI_EVENT_DRIVER_PNO_SCAN_REQUESTED, 0, "PNO SCAN_REQUESTED"},
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{1, WIFI_EVENT_DRIVER_PNO_SCAN_RESULT_FOUND, 0, "PNO SCAN RESULT FOUND"},
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{1, WIFI_EVENT_DRIVER_PNO_SCAN_COMPLETE, 0, "PNO SCAN COMPELETE"}
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};
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static void
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debug_data_send(dhd_pub_t *dhdp, int ring_id, const void *data, const uint32 len,
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const dhd_dbg_ring_status_t ring_status)
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{
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struct net_device *ndev;
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dbg_ring_send_sub_t ring_sub_send;
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ndev = dhd_linux_get_primary_netdev(dhdp);
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if (!ndev)
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return;
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if (ring_send_sub_cb[ring_id]) {
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ring_sub_send = ring_send_sub_cb[ring_id];
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ring_sub_send(ndev, ring_id, data, len, ring_status);
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}
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}
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static void
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dhd_os_dbg_urgent_notifier(dhd_pub_t *dhdp, const void *data, const uint32 len)
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{
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struct net_device *ndev;
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ndev = dhd_linux_get_primary_netdev(dhdp);
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if (!ndev)
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return;
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if (urgent_noti_sub_cb) {
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urgent_noti_sub_cb(ndev, data, len, dhdp->soc_ram_length);
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}
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}
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static void
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dbg_ring_poll_worker(struct work_struct *work)
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{
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struct delayed_work *d_work = to_delayed_work(work);
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bool sched = TRUE;
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dhd_dbg_ring_t *ring;
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#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-qual"
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#endif
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linux_dbgring_info_t *ring_info =
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container_of(d_work, linux_dbgring_info_t, work);
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#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
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#pragma GCC diagnostic pop
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#endif
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dhd_pub_t *dhdp = ring_info->dhdp;
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int ringid = ring_info->ring_id;
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dhd_dbg_ring_status_t ring_status;
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void *buf;
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dhd_dbg_ring_entry_t *hdr;
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uint32 buflen, rlen;
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unsigned long flags;
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ring = &dhdp->dbg->dbg_rings[ringid];
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flags = dhd_os_spin_lock(ring->lock);
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dhd_dbg_get_ring_status(dhdp, ringid, &ring_status);
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if (ring->wp > ring->rp) {
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buflen = ring->wp - ring->rp;
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} else if (ring->wp < ring->rp) {
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buflen = ring->ring_size - ring->rp + ring->wp;
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} else {
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goto exit;
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}
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if (buflen > ring->ring_size) {
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goto exit;
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}
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buf = MALLOCZ(dhdp->osh, buflen);
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if (!buf) {
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DHD_ERROR(("%s failed to allocate read buf\n", __FUNCTION__));
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sched = FALSE;
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goto exit;
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}
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rlen = dhd_dbg_ring_pull(dhdp, ringid, buf, buflen);
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if (!ring->sched_pull) {
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ring->sched_pull = TRUE;
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}
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hdr = (dhd_dbg_ring_entry_t *)buf;
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while (rlen > 0) {
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ring_status.read_bytes += ENTRY_LENGTH(hdr);
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/* offset fw ts to host ts */
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hdr->timestamp += ring_info->tsoffset;
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debug_data_send(dhdp, ringid, hdr, ENTRY_LENGTH(hdr),
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ring_status);
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rlen -= ENTRY_LENGTH(hdr);
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hdr = (dhd_dbg_ring_entry_t *)((char *)hdr + ENTRY_LENGTH(hdr));
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}
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MFREE(dhdp->osh, buf, buflen);
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exit:
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if (sched) {
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/* retrigger the work at same interval */
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if ((ring_status.written_bytes == ring_status.read_bytes) &&
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(ring_info->interval)) {
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schedule_delayed_work(d_work, ring_info->interval);
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}
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}
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dhd_os_spin_unlock(ring->lock, flags);
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return;
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}
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int
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dhd_os_dbg_register_callback(int ring_id, dbg_ring_send_sub_t callback)
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{
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if (!VALID_RING(ring_id))
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return BCME_RANGE;
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ring_send_sub_cb[ring_id] = callback;
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return BCME_OK;
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}
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int
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dhd_os_dbg_register_urgent_notifier(dhd_pub_t *dhdp, dbg_urgent_noti_sub_t urgent_noti_sub)
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{
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if (!dhdp || !urgent_noti_sub)
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return BCME_BADARG;
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urgent_noti_sub_cb = urgent_noti_sub;
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return BCME_OK;
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}
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int
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dhd_os_start_logging(dhd_pub_t *dhdp, char *ring_name, int log_level,
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int flags, int time_intval, int threshold)
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{
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int ret = BCME_OK;
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int ring_id;
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linux_dbgring_info_t *os_priv, *ring_info;
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uint32 ms;
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ring_id = dhd_dbg_find_ring_id(dhdp, ring_name);
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if (!VALID_RING(ring_id))
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return BCME_UNSUPPORTED;
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DHD_DBGIF(("%s , log_level : %d, time_intval : %d, threshod %d Bytes\n",
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__FUNCTION__, log_level, time_intval, threshold));
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/* change the configuration */
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ret = dhd_dbg_set_configuration(dhdp, ring_id, log_level, flags, threshold);
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if (ret) {
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DHD_ERROR(("dhd_set_configuration is failed : %d\n", ret));
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return ret;
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}
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os_priv = dhd_dbg_get_priv(dhdp);
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if (!os_priv)
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return BCME_ERROR;
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ring_info = &os_priv[ring_id];
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ring_info->log_level = log_level;
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if (ring_id == FW_VERBOSE_RING_ID || ring_id == FW_EVENT_RING_ID) {
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ring_info->tsoffset = local_clock();
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if (dhd_wl_ioctl_get_intiovar(dhdp, "rte_timesync", &ms, WLC_GET_VAR,
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FALSE, 0))
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DHD_ERROR(("%s rte_timesync failed\n", __FUNCTION__));
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do_div(ring_info->tsoffset, 1000000);
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ring_info->tsoffset -= ms;
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}
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if (time_intval == 0 || log_level == 0) {
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ring_info->interval = 0;
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cancel_delayed_work_sync(&ring_info->work);
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} else {
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ring_info->interval = msecs_to_jiffies(time_intval * MSEC_PER_SEC);
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cancel_delayed_work_sync(&ring_info->work);
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schedule_delayed_work(&ring_info->work, ring_info->interval);
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}
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return ret;
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}
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int
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dhd_os_reset_logging(dhd_pub_t *dhdp)
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{
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int ret = BCME_OK;
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int ring_id;
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linux_dbgring_info_t *os_priv, *ring_info;
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os_priv = dhd_dbg_get_priv(dhdp);
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if (!os_priv)
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return BCME_ERROR;
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/* Stop all rings */
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for (ring_id = DEBUG_RING_ID_INVALID + 1; ring_id < DEBUG_RING_ID_MAX; ring_id++) {
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DHD_DBGIF(("%s: Stop ring buffer %d\n", __FUNCTION__, ring_id));
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ring_info = &os_priv[ring_id];
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/* cancel any pending work */
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cancel_delayed_work_sync(&ring_info->work);
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/* log level zero makes stop logging on that ring */
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ring_info->log_level = 0;
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ring_info->interval = 0;
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/* change the configuration */
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ret = dhd_dbg_set_configuration(dhdp, ring_id, 0, 0, 0);
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if (ret) {
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DHD_ERROR(("dhd_set_configuration is failed : %d\n", ret));
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return ret;
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}
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}
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return ret;
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}
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#define SUPPRESS_LOG_LEVEL 1
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int
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dhd_os_suppress_logging(dhd_pub_t *dhdp, bool suppress)
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{
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int ret = BCME_OK;
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int max_log_level;
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int enable = (suppress) ? 0 : 1;
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linux_dbgring_info_t *os_priv;
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os_priv = dhd_dbg_get_priv(dhdp);
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if (!os_priv)
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return BCME_ERROR;
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max_log_level = MAX(os_priv[FW_VERBOSE_RING_ID].log_level,
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os_priv[FW_EVENT_RING_ID].log_level);
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if (max_log_level == SUPPRESS_LOG_LEVEL) {
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/* suppress the logging in FW not to wake up host while device in suspend mode */
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ret = dhd_iovar(dhdp, 0, "logtrace", (char *)&enable, sizeof(enable), NULL, 0,
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TRUE);
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if (ret < 0 && (ret != BCME_UNSUPPORTED)) {
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DHD_ERROR(("logtrace is failed : %d\n", ret));
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}
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}
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return ret;
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}
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int
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dhd_os_get_ring_status(dhd_pub_t *dhdp, int ring_id, dhd_dbg_ring_status_t *dbg_ring_status)
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{
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return dhd_dbg_get_ring_status(dhdp, ring_id, dbg_ring_status);
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}
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int
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dhd_os_trigger_get_ring_data(dhd_pub_t *dhdp, char *ring_name)
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{
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int ret = BCME_OK;
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int ring_id;
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linux_dbgring_info_t *os_priv, *ring_info;
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ring_id = dhd_dbg_find_ring_id(dhdp, ring_name);
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if (!VALID_RING(ring_id))
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return BCME_UNSUPPORTED;
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os_priv = dhd_dbg_get_priv(dhdp);
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if (os_priv) {
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ring_info = &os_priv[ring_id];
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if (ring_info->interval) {
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cancel_delayed_work_sync(&ring_info->work);
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}
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schedule_delayed_work(&ring_info->work, 0);
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} else {
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DHD_ERROR(("%s : os_priv is NULL\n", __FUNCTION__));
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ret = BCME_ERROR;
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}
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return ret;
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}
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int
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dhd_os_push_push_ring_data(dhd_pub_t *dhdp, int ring_id, void *data, int32 data_len)
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{
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int ret = BCME_OK, i;
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dhd_dbg_ring_entry_t msg_hdr;
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log_conn_event_t *event_data = (log_conn_event_t *)data;
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linux_dbgring_info_t *os_priv, *ring_info = NULL;
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if (!VALID_RING(ring_id))
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return BCME_UNSUPPORTED;
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os_priv = dhd_dbg_get_priv(dhdp);
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|
|
|
||
|
|
if (os_priv) {
|
||
|
|
ring_info = &os_priv[ring_id];
|
||
|
|
} else
|
||
|
|
return BCME_NORESOURCE;
|
||
|
|
|
||
|
|
memset(&msg_hdr, 0, sizeof(dhd_dbg_ring_entry_t));
|
||
|
|
|
||
|
|
if (ring_id == DHD_EVENT_RING_ID) {
|
||
|
|
msg_hdr.type = DBG_RING_ENTRY_EVENT_TYPE;
|
||
|
|
msg_hdr.flags |= DBG_RING_ENTRY_FLAGS_HAS_TIMESTAMP;
|
||
|
|
msg_hdr.flags |= DBG_RING_ENTRY_FLAGS_HAS_BINARY;
|
||
|
|
msg_hdr.timestamp = local_clock();
|
||
|
|
/* convert to ms */
|
||
|
|
do_div(msg_hdr.timestamp, 1000000);
|
||
|
|
msg_hdr.len = data_len;
|
||
|
|
/* filter the event for higher log level with current log level */
|
||
|
|
for (i = 0; i < ARRAYSIZE(dhd_event_map); i++) {
|
||
|
|
if ((dhd_event_map[i].tag == event_data->event) &&
|
||
|
|
dhd_event_map[i].log_level > ring_info->log_level) {
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ret = dhd_dbg_ring_push(dhdp, ring_id, &msg_hdr, event_data);
|
||
|
|
if (ret) {
|
||
|
|
DHD_ERROR(("%s : failed to push data into the ring (%d) with ret(%d)\n",
|
||
|
|
__FUNCTION__, ring_id, ret));
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef DBG_PKT_MON
|
||
|
|
int
|
||
|
|
dhd_os_dbg_attach_pkt_monitor(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
return dhd_dbg_attach_pkt_monitor(dhdp, dhd_os_dbg_monitor_tx_pkts,
|
||
|
|
dhd_os_dbg_monitor_tx_status, dhd_os_dbg_monitor_rx_pkts);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_start_pkt_monitor(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
return dhd_dbg_start_pkt_monitor(dhdp);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_monitor_tx_pkts(dhd_pub_t *dhdp, void *pkt, uint32 pktid)
|
||
|
|
{
|
||
|
|
return dhd_dbg_monitor_tx_pkts(dhdp, pkt, pktid);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_monitor_tx_status(dhd_pub_t *dhdp, void *pkt, uint32 pktid,
|
||
|
|
uint16 status)
|
||
|
|
{
|
||
|
|
return dhd_dbg_monitor_tx_status(dhdp, pkt, pktid, status);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_monitor_rx_pkts(dhd_pub_t *dhdp, void *pkt)
|
||
|
|
{
|
||
|
|
return dhd_dbg_monitor_rx_pkts(dhdp, pkt);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_stop_pkt_monitor(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
return dhd_dbg_stop_pkt_monitor(dhdp);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_monitor_get_tx_pkts(dhd_pub_t *dhdp, void __user *user_buf,
|
||
|
|
uint16 req_count, uint16 *resp_count)
|
||
|
|
{
|
||
|
|
return dhd_dbg_monitor_get_tx_pkts(dhdp, user_buf, req_count, resp_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_monitor_get_rx_pkts(dhd_pub_t *dhdp, void __user *user_buf,
|
||
|
|
uint16 req_count, uint16 *resp_count)
|
||
|
|
{
|
||
|
|
return dhd_dbg_monitor_get_rx_pkts(dhdp, user_buf, req_count, resp_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_detach_pkt_monitor(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
return dhd_dbg_detach_pkt_monitor(dhdp);
|
||
|
|
}
|
||
|
|
#endif /* DBG_PKT_MON */
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_get_feature(dhd_pub_t *dhdp, int32 *features)
|
||
|
|
{
|
||
|
|
int ret = BCME_OK;
|
||
|
|
*features = 0;
|
||
|
|
*features |= DBG_MEMORY_DUMP_SUPPORTED;
|
||
|
|
if (FW_SUPPORTED(dhdp, logtrace)) {
|
||
|
|
*features |= DBG_CONNECT_EVENT_SUPPORTED;
|
||
|
|
*features |= DBG_VERBOSE_LOG_SUPPORTED;
|
||
|
|
}
|
||
|
|
if (FW_SUPPORTED(dhdp, hchk)) {
|
||
|
|
*features |= DBG_HEALTH_CHECK_SUPPORTED;
|
||
|
|
}
|
||
|
|
#ifdef DBG_PKT_MON
|
||
|
|
if (FW_SUPPORTED(dhdp, d11status)) {
|
||
|
|
*features |= DBG_PACKET_FATE_SUPPORTED;
|
||
|
|
}
|
||
|
|
#endif /* DBG_PKT_MON */
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
dhd_os_dbg_pullreq(void *os_priv, int ring_id)
|
||
|
|
{
|
||
|
|
linux_dbgring_info_t *ring_info;
|
||
|
|
|
||
|
|
ring_info = &((linux_dbgring_info_t *)os_priv)[ring_id];
|
||
|
|
cancel_delayed_work(&ring_info->work);
|
||
|
|
schedule_delayed_work(&ring_info->work, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
dhd_os_dbg_attach(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
int ret = BCME_OK;
|
||
|
|
linux_dbgring_info_t *os_priv, *ring_info;
|
||
|
|
int ring_id;
|
||
|
|
|
||
|
|
/* os_dbg data */
|
||
|
|
os_priv = MALLOCZ(dhdp->osh, sizeof(*os_priv) * DEBUG_RING_ID_MAX);
|
||
|
|
if (!os_priv)
|
||
|
|
return BCME_NOMEM;
|
||
|
|
|
||
|
|
for (ring_id = DEBUG_RING_ID_INVALID + 1; ring_id < DEBUG_RING_ID_MAX;
|
||
|
|
ring_id++) {
|
||
|
|
ring_info = &os_priv[ring_id];
|
||
|
|
INIT_DELAYED_WORK(&ring_info->work, dbg_ring_poll_worker);
|
||
|
|
ring_info->dhdp = dhdp;
|
||
|
|
ring_info->ring_id = ring_id;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = dhd_dbg_attach(dhdp, dhd_os_dbg_pullreq, dhd_os_dbg_urgent_notifier, os_priv);
|
||
|
|
if (ret)
|
||
|
|
MFREE(dhdp->osh, os_priv, sizeof(*os_priv) * DEBUG_RING_ID_MAX);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
dhd_os_dbg_detach(dhd_pub_t *dhdp)
|
||
|
|
{
|
||
|
|
linux_dbgring_info_t *os_priv, *ring_info;
|
||
|
|
int ring_id;
|
||
|
|
/* free os_dbg data */
|
||
|
|
os_priv = dhd_dbg_get_priv(dhdp);
|
||
|
|
if (!os_priv)
|
||
|
|
return;
|
||
|
|
/* abort pending any job */
|
||
|
|
for (ring_id = DEBUG_RING_ID_INVALID + 1; ring_id < DEBUG_RING_ID_MAX; ring_id++) {
|
||
|
|
ring_info = &os_priv[ring_id];
|
||
|
|
if (ring_info->interval) {
|
||
|
|
ring_info->interval = 0;
|
||
|
|
cancel_delayed_work_sync(&ring_info->work);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
MFREE(dhdp->osh, os_priv, sizeof(*os_priv) * DEBUG_RING_ID_MAX);
|
||
|
|
|
||
|
|
return dhd_dbg_detach(dhdp);
|
||
|
|
}
|