drivers/net/wireless/intel/iwlwifi/fw/common_rx.c

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2017 Intel Deutschland GmbH
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * The full GNU General Public License is included in this distribution
  20  * in the file called COPYING.
  21  *
  22  * Contact Information:
  23  *  Intel Linux Wireless <linuxwifi@intel.com>
  24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25  *
  26  * BSD LICENSE
  27  *
  28  * Copyright(c) 2017 Intel Deutschland GmbH
  29  * All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  *
  35  *  * Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  *  * Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in
  39  *    the documentation and/or other materials provided with the
  40  *    distribution.
  41  *  * Neither the name Intel Corporation nor the names of its
  42  *    contributors may be used to endorse or promote products derived
  43  *    from this software without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  49  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  50  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  51  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  52  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  53  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  54  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  55  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  *
  57  *****************************************************************************/
  58 #include "iwl-drv.h"
  59 #include "runtime.h"
  60 #include "fw/api/commands.h"
  61 #include "fw/api/alive.h"
  62
  63 static void iwl_fwrt_fseq_ver_mismatch(struct iwl_fw_runtime *fwrt,
  64                                        struct iwl_rx_cmd_buffer *rxb)
  65 {
  66         struct iwl_rx_packet *pkt = rxb_addr(rxb);
  67         struct iwl_fseq_ver_mismatch_ntf *fseq = (void *)pkt->data;
  68
  69         IWL_ERR(fwrt, "FSEQ version mismatch (aux: %d, wifi: %d)\n",
  70                 __le32_to_cpu(fseq->aux_read_fseq_ver),
  71                 __le32_to_cpu(fseq->wifi_fseq_ver));
  72 }
  73
  74 void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
  75                                   struct iwl_rx_cmd_buffer *rxb)
  76 {
  77         struct iwl_rx_packet *pkt = rxb_addr(rxb);
  78         u32 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
  79
  80         switch (cmd) {
  81         case WIDE_ID(SYSTEM_GROUP, FSEQ_VER_MISMATCH_NTF):
  82                 iwl_fwrt_fseq_ver_mismatch(fwrt, rxb);
  83                 break;
  84         default:
  85                 break;
  86         }
  87 }
  88 IWL_EXPORT_SYMBOL(iwl_fwrt_handle_notification);