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wifi: iwlwifi: get the max number of links from the firmware

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The firmware advertises the maximum number of links.
Use it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.5eb29510f2b4.I7f35f61987c2ee905960ee476df6803632b0feb8@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach
2024-12-31 13:59:02 +02:00
committed by Johannes Berg
parent 41fff83fe6
commit 61863fab1d
3 changed files with 17 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@@ -104,6 +104,7 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_CURRENT_PC = 68,
IWL_UCODE_TLV_FW_NUM_STATIONS = IWL_UCODE_TLV_CONST_BASE + 0,
IWL_UCODE_TLV_FW_NUM_LINKS = IWL_UCODE_TLV_CONST_BASE + 1,
IWL_UCODE_TLV_FW_NUM_BEACONS = IWL_UCODE_TLV_CONST_BASE + 2,
IWL_UCODE_TLV_TYPE_DEBUG_INFO = IWL_UCODE_TLV_DEBUG_BASE + 0,

3
drivers/net/wireless/intel/iwlwifi/fw/img.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2005-2014, 2018-2023 Intel Corporation
* Copyright (C) 2005-2014, 2018-2024 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016 Intel Deutschland GmbH
*/
@@ -51,6 +51,7 @@ struct iwl_ucode_capabilities {
u32 error_log_addr;
u32 error_log_size;
u32 num_stations;
u32 num_links;
u32 num_beacons;
unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];

14
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@@ -22,6 +22,7 @@
#include "iwl-modparams.h"
#include "fw/api/alive.h"
#include "fw/api/mac.h"
#include "fw/api/mac-cfg.h"
/******************************************************************************
*
@@ -1197,6 +1198,19 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
capa->num_stations =
le32_to_cpup((const __le32 *)tlv_data);
break;
case IWL_UCODE_TLV_FW_NUM_LINKS:
if (tlv_len != sizeof(u32))
goto invalid_tlv_len;
if (le32_to_cpup((const __le32 *)tlv_data) >
IWL_FW_MAX_LINK_ID + 1) {
IWL_ERR(drv,
"%d is an invalid number of links\n",
le32_to_cpup((const __le32 *)tlv_data));
goto tlv_error;
}
capa->num_links =
le32_to_cpup((const __le32 *)tlv_data);
break;
case IWL_UCODE_TLV_FW_NUM_BEACONS:
if (tlv_len != sizeof(u32))
goto invalid_tlv_len;