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-rw-r--r--drivers/net/wireless/intel/iwlwifi/Makefile1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/api/alive.h16
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/api/commands.h7
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/common_rx.c88
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/runtime.h3
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c4
6 files changed, 118 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile
index fd12b7394c5c..5dcb4a848dba 100644
--- a/drivers/net/wireless/intel/iwlwifi/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/Makefile
@@ -12,6 +12,7 @@ iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/a000.o
iwlwifi-objs += iwl-trans.o
iwlwifi-objs += fw/notif-wait.o
iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o fw/init.o fw/dbg.o
+iwlwifi-$(CONFIG_IWLMVM) += fw/common_rx.o
iwlwifi-objs += $(iwlwifi-m)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/alive.h b/drivers/net/wireless/intel/iwlwifi/fw/api/alive.h
index 6af6a9b32b69..3684a3e180e5 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/alive.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/alive.h
@@ -187,4 +187,20 @@ struct iwl_card_state_notif {
__le32 flags;
} __packed; /* CARD_STATE_NTFY_API_S_VER_1 */
+/**
+ * struct iwl_fseq_ver_mismatch_nty - Notification about version
+ *
+ * This notification does not have a direct impact on the init flow.
+ * It means that another core (not WiFi) has initiated the FSEQ flow
+ * and updated the FSEQ version. The driver only prints an error when
+ * this occurs.
+ *
+ * @aux_read_fseq_ver: auxiliary read FSEQ version
+ * @wifi_fseq_ver: FSEQ version (embedded in WiFi)
+ */
+struct iwl_fseq_ver_mismatch_ntf {
+ __le32 aux_read_fseq_ver;
+ __le32 wifi_fseq_ver;
+} __packed; /* FSEQ_VER_MISMATCH_NTFY_API_S_VER_1 */
+
#endif /* __iwl_fw_api_alive_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
index 34fceb26447d..c7b8cffdf281 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
@@ -652,6 +652,13 @@ enum iwl_system_subcmd_ids {
* @INIT_EXTENDED_CFG_CMD: &struct iwl_init_extended_cfg_cmd
*/
INIT_EXTENDED_CFG_CMD = 0x03,
+
+ /**
+ * @FSEQ_VER_MISMATCH_NTF: Notification about fseq version
+ * mismatch during init. The format is specified in
+ * &struct iwl_fseq_ver_mismatch_ntf.
+ */
+ FSEQ_VER_MISMATCH_NTF = 0xFF,
};
#endif /* __iwl_fw_api_commands_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/common_rx.c b/drivers/net/wireless/intel/iwlwifi/fw/common_rx.c
new file mode 100644
index 000000000000..6f75985eea66
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/common_rx.c
@@ -0,0 +1,88 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2017 Intel Deutschland GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 Intel Deutschland GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#include "iwl-drv.h"
+#include "runtime.h"
+#include "fw/api/commands.h"
+#include "fw/api/alive.h"
+
+static void iwl_fwrt_fseq_ver_mismatch(struct iwl_fw_runtime *fwrt,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_fseq_ver_mismatch_ntf *fseq = (void *)pkt->data;
+
+ IWL_ERR(fwrt, "FSEQ version mismatch (aux: %d, wifi: %d)\n",
+ __le32_to_cpu(fseq->aux_read_fseq_ver),
+ __le32_to_cpu(fseq->wifi_fseq_ver));
+}
+
+void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ u32 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
+
+ switch (cmd) {
+ case WIDE_ID(SYSTEM_GROUP, FSEQ_VER_MISMATCH_NTF):
+ iwl_fwrt_fseq_ver_mismatch(fwrt, rxb);
+ break;
+ default:
+ break;
+ }
+}
+IWL_EXPORT_SYMBOL(iwl_fwrt_handle_notification);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
index 75575290a3e4..66bea6545690 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
@@ -150,4 +150,7 @@ void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
+void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
+ struct iwl_rx_cmd_buffer *rxb);
+
#endif /* __iwl_fw_runtime_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 4d591fdc61f2..d0ffdf5fa3a5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -1006,8 +1006,10 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
list_add_tail(&entry->list, &mvm->async_handlers_list);
spin_unlock(&mvm->async_handlers_lock);
schedule_work(&mvm->async_handlers_wk);
- break;
+ return;
}
+
+ iwl_fwrt_handle_notification(&mvm->fwrt, rxb);
}
static void iwl_mvm_rx(struct iwl_op_mode *op_mode,