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path: root/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
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-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-drv.c102
1 files changed, 54 insertions, 48 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index c620911a1193..d3a65f33097c 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -22,6 +22,7 @@
#include "iwl-modparams.h"
#include "fw/api/alive.h"
#include "fw/api/mac.h"
+#include "fw/api/mac-cfg.h"
/******************************************************************************
*
@@ -137,8 +138,7 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
memset(&drv->fw, 0, sizeof(drv->fw));
}
-static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
- struct fw_sec *sec)
+static int iwl_alloc_fw_desc(struct fw_desc *desc, struct fw_sec *sec)
{
void *data;
@@ -318,17 +318,6 @@ struct iwl_firmware_pieces {
size_t n_mem_tlv;
};
-/*
- * These functions are just to extract uCode section data from the pieces
- * structure.
- */
-static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type,
- int sec)
-{
- return &pieces->img[type].sec[sec];
-}
-
static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
enum iwl_ucode_type type,
int sec)
@@ -389,22 +378,18 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces,
/*
* Gets uCode section from tlv.
*/
-static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
- const void *data, enum iwl_ucode_type type,
- int size)
+static int iwl_store_ucode_sec(struct fw_img_parsing *img,
+ const void *data, int size)
{
- struct fw_img_parsing *img;
struct fw_sec *sec;
const struct fw_sec_parsing *sec_parse;
size_t alloc_size;
- if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
- return -1;
+ if (WARN_ON(!img || !data))
+ return -EINVAL;
sec_parse = (const struct fw_sec_parsing *)data;
- img = &pieces->img[type];
-
alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
if (!sec)
@@ -900,18 +885,18 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
le32_to_cpup((const __le32 *)tlv_data);
break;
case IWL_UCODE_TLV_SEC_RT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SEC_INIT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SEC_WOWLAN:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_DEF_CALIB:
@@ -932,18 +917,18 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
FW_PHY_CFG_RX_CHAIN_POS;
break;
case IWL_UCODE_TLV_SECURE_SEC_RT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SECURE_SEC_INIT:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
- iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
+ tlv_data, tlv_len);
drv->fw.type = IWL_FW_MVM;
break;
case IWL_UCODE_TLV_NUM_OF_CPU:
@@ -1110,9 +1095,8 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
}
case IWL_UCODE_TLV_SEC_RT_USNIFFER:
*usniffer_images = true;
- iwl_store_ucode_sec(pieces, tlv_data,
- IWL_UCODE_REGULAR_USNIFFER,
- tlv_len);
+ iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR_USNIFFER],
+ tlv_data, tlv_len);
break;
case IWL_UCODE_TLV_PAGING:
if (tlv_len != sizeof(u32))
@@ -1214,6 +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;
@@ -1337,26 +1334,31 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
return -EINVAL;
}
-static int iwl_alloc_ucode(struct iwl_drv *drv,
- struct iwl_firmware_pieces *pieces,
- enum iwl_ucode_type type)
+static int iwl_alloc_ucode_mem(struct fw_img *out, struct fw_img_parsing *img)
{
- int i;
struct fw_desc *sec;
- sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
+ sec = kcalloc(img->sec_counter, sizeof(*sec), GFP_KERNEL);
if (!sec)
return -ENOMEM;
- drv->fw.img[type].sec = sec;
- drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
- for (i = 0; i < pieces->img[type].sec_counter; i++)
- if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
+ out->sec = sec;
+ out->num_sec = img->sec_counter;
+
+ for (int i = 0; i < out->num_sec; i++)
+ if (iwl_alloc_fw_desc(&sec[i], &img->sec[i]))
return -ENOMEM;
return 0;
}
+static int iwl_alloc_ucode(struct iwl_drv *drv,
+ struct iwl_firmware_pieces *pieces,
+ enum iwl_ucode_type type)
+{
+ return iwl_alloc_ucode_mem(&drv->fw.img[type], &pieces->img[type]);
+}
+
static int validate_sec_sizes(struct iwl_drv *drv,
struct iwl_firmware_pieces *pieces,
const struct iwl_cfg *cfg)
@@ -1429,18 +1431,21 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
op_mode = ops->start(drv->trans, drv->trans->cfg,
&drv->fw, dbgfs_dir);
- if (op_mode)
+ if (!IS_ERR(op_mode))
return op_mode;
if (test_bit(STATUS_TRANS_DEAD, &drv->trans->status))
break;
- IWL_ERR(drv, "retry init count %d\n", retry);
-
#ifdef CONFIG_IWLWIFI_DEBUGFS
debugfs_remove_recursive(drv->dbgfs_op_mode);
drv->dbgfs_op_mode = NULL;
#endif
+
+ if (PTR_ERR(op_mode) != -ETIMEDOUT)
+ break;
+
+ IWL_ERR(drv, "retry init count %d\n", retry);
}
return NULL;
@@ -1944,6 +1949,7 @@ module_init(iwl_drv_init);
static void __exit iwl_drv_exit(void)
{
iwl_pci_unregister_driver();
+ iwl_trans_free_restart_list();
#ifdef CONFIG_IWLWIFI_DEBUGFS
debugfs_remove_recursive(iwl_dbgfs_root);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.