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* add triggers for firmware dump collection

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* remove support for -9.ucode
 * new statitics API
 * rate control improvements
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Merge tag 'iwlwifi-next-for-kalle-2015-03-01' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* add triggers for firmware dump collection
* remove support for -9.ucode
* new statitics API
* rate control improvements
This commit is contained in:
Kalle Valo 2015-03-03 13:49:36 +02:00
commit a437b3d928
33 changed files with 1330 additions and 1108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/dvm/main.c
View File

@ -1549,7 +1549,7 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv)
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.ucode_ver,
table.hw_ver, table.brd_ver);
table.hw_ver, 0, table.brd_ver);
IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(priv, "0x%08X | uPc\n", table.pc);

4
drivers/net/wireless/iwlwifi/iwl-7000.c
View File

@ -77,8 +77,8 @@
#define IWL3160_UCODE_API_OK 10
/* Lowest firmware API version supported */
#define IWL7260_UCODE_API_MIN 9
#define IWL3160_UCODE_API_MIN 9
#define IWL7260_UCODE_API_MIN 10
#define IWL3160_UCODE_API_MIN 10
/* NVM versions */
#define IWL7260_NVM_VERSION 0x0a1d

2
drivers/net/wireless/iwlwifi/iwl-8000.c
View File

@ -75,7 +75,7 @@
#define IWL8000_UCODE_API_OK 10
/* Lowest firmware API version supported */
#define IWL8000_UCODE_API_MIN 9
#define IWL8000_UCODE_API_MIN 10
/* NVM versions */
#define IWL8000_NVM_VERSION 0x0a1d

18
drivers/net/wireless/iwlwifi/iwl-devtrace.h
View File

@ -431,11 +431,11 @@ TRACE_EVENT(iwlwifi_dev_ucode_error,
TP_PROTO(const struct device *dev, u32 desc, u32 tsf_low,
u32 data1, u32 data2, u32 line, u32 blink1,
u32 blink2, u32 ilink1, u32 ilink2, u32 bcon_time,
u32 gp1, u32 gp2, u32 gp3, u32 ucode_ver, u32 hw_ver,
u32 gp1, u32 gp2, u32 gp3, u32 major, u32 minor, u32 hw_ver,
u32 brd_ver),
TP_ARGS(dev, desc, tsf_low, data1, data2, line,
blink1, blink2, ilink1, ilink2, bcon_time, gp1, gp2,
gp3, ucode_ver, hw_ver, brd_ver),
gp3, major, minor, hw_ver, brd_ver),
TP_STRUCT__entry(
DEV_ENTRY
__field(u32, desc)
@ -451,7 +451,8 @@ TRACE_EVENT(iwlwifi_dev_ucode_error,
__field(u32, gp1)
__field(u32, gp2)
__field(u32, gp3)
__field(u32, ucode_ver)
__field(u32, major)
__field(u32, minor)
__field(u32, hw_ver)
__field(u32, brd_ver)
),
@ -470,21 +471,22 @@ TRACE_EVENT(iwlwifi_dev_ucode_error,
__entry->gp1 = gp1;
__entry->gp2 = gp2;
__entry->gp3 = gp3;
__entry->ucode_ver = ucode_ver;
__entry->major = major;
__entry->minor = minor;
__entry->hw_ver = hw_ver;
__entry->brd_ver = brd_ver;
),
TP_printk("[%s] #%02d %010u data 0x%08X 0x%08X line %u, "
"blink 0x%05X 0x%05X ilink 0x%05X 0x%05X "
"bcon_tm %010u gp 0x%08X 0x%08X 0x%08X uCode 0x%08X "
"hw 0x%08X brd 0x%08X",
"bcon_tm %010u gp 0x%08X 0x%08X 0x%08X major 0x%08X "
"minor 0x%08X hw 0x%08X brd 0x%08X",
__get_str(dev), __entry->desc, __entry->tsf_low,
__entry->data1,
__entry->data2, __entry->line, __entry->blink1,
__entry->blink2, __entry->ilink1, __entry->ilink2,
__entry->bcon_time, __entry->gp1, __entry->gp2,
__entry->gp3, __entry->ucode_ver, __entry->hw_ver,
__entry->brd_ver)
__entry->gp3, __entry->major, __entry->minor,
__entry->hw_ver, __entry->brd_ver)
);
TRACE_EVENT(iwlwifi_dev_ucode_event,

68
drivers/net/wireless/iwlwifi/iwl-drv.c
View File

@ -175,6 +175,8 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
kfree(drv->fw.dbg_dest_tlv);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
kfree(drv->fw.dbg_conf_tlv[i]);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
kfree(drv->fw.dbg_trigger_tlv[i]);
for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
iwl_free_fw_img(drv, drv->fw.img + i);
@ -293,8 +295,10 @@ struct iwl_firmware_pieces {
/* FW debug data parsed for driver usage */
struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_MAX];
size_t dbg_conf_tlv_len[FW_DBG_MAX];
struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
};
/*
@ -842,6 +846,23 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
capa->n_scan_channels =
le32_to_cpup((__le32 *)tlv_data);
break;
case IWL_UCODE_TLV_FW_VERSION: {
__le32 *ptr = (void *)tlv_data;
u32 major, minor;
u8 local_comp;
if (tlv_len != sizeof(u32) * 3)
goto invalid_tlv_len;
major = le32_to_cpup(ptr++);
minor = le32_to_cpup(ptr++);
local_comp = le32_to_cpup(ptr);
snprintf(drv->fw.fw_version,
sizeof(drv->fw.fw_version), "%u.%u.%u",
major, minor, local_comp);
break;
}
case IWL_UCODE_TLV_FW_DBG_DEST: {
struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
@ -897,6 +918,31 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
break;
}
case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
struct iwl_fw_dbg_trigger_tlv *trigger =
(void *)tlv_data;
u32 trigger_id = le32_to_cpu(trigger->id);
if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
IWL_ERR(drv,
"Skip unknown trigger: %u\n",
trigger->id);
break;
}
if (pieces->dbg_trigger_tlv[trigger_id]) {
IWL_ERR(drv,
"Ignore duplicate dbg trigger %u\n",
trigger->id);
break;
}
IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
pieces->dbg_trigger_tlv[trigger_id] = trigger;
pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
break;
}
case IWL_UCODE_TLV_SEC_RT_USNIFFER:
usniffer_images = true;
iwl_store_ucode_sec(pieces, tlv_data,
@ -1107,7 +1153,10 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
if (err)
goto try_again;
api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
if (drv->fw.ucode_capa.api[0] & IWL_UCODE_TLV_API_NEW_VERSION)
api_ver = drv->fw.ucode_ver;
else
api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
/*
* api_ver should match the api version forming part of the
@ -1178,6 +1227,19 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
}
}
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
if (pieces->dbg_trigger_tlv[i]) {
drv->fw.dbg_trigger_tlv_len[i] =
pieces->dbg_trigger_tlv_len[i];
drv->fw.dbg_trigger_tlv[i] =
kmemdup(pieces->dbg_trigger_tlv[i],
drv->fw.dbg_trigger_tlv_len[i],
GFP_KERNEL);
if (!drv->fw.dbg_trigger_tlv[i])
goto out_free_fw;
}
}
/* Now that we can no longer fail, copy information */
/*

46
drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
View File

@ -82,6 +82,8 @@
* sections like this in a single file.
* @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
* @IWL_FW_ERROR_DUMP_MEM: chunk of memory
* @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
* Structured as &struct iwl_fw_error_dump_trigger_desc.
*/
enum iwl_fw_error_dump_type {
/* 0 is deprecated */
@ -94,6 +96,7 @@ enum iwl_fw_error_dump_type {
IWL_FW_ERROR_DUMP_TXF = 7,
IWL_FW_ERROR_DUMP_FH_REGS = 8,
IWL_FW_ERROR_DUMP_MEM = 9,
IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
IWL_FW_ERROR_DUMP_MAX,
};
@ -230,4 +233,47 @@ iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
return (void *)(data->data + le32_to_cpu(data->len));
}
/**
* enum iwl_fw_dbg_trigger - triggers available
*
* @FW_DBG_TRIGGER_USER: trigger log collection by user
* This should not be defined as a trigger to the driver, but a value the
* driver should set to indicate that the trigger was initiated by the
* user.
* @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
* @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
* missed.
* @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
* @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
* command response or a notification.
* @FW_DB_TRIGGER_RESERVED: reserved
* @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
* @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
* goes below a threshold.
*/
enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_INVALID = 0,
FW_DBG_TRIGGER_USER,
FW_DBG_TRIGGER_FW_ASSERT,
FW_DBG_TRIGGER_MISSED_BEACONS,
FW_DBG_TRIGGER_CHANNEL_SWITCH,
FW_DBG_TRIGGER_FW_NOTIF,
FW_DB_TRIGGER_RESERVED,
FW_DBG_TRIGGER_STATS,
FW_DBG_TRIGGER_RSSI,
/* must be last */
FW_DBG_TRIGGER_MAX,
};
/**
* struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
* @type: %enum iwl_fw_dbg_trigger
* @data: raw data about what happened
*/
struct iwl_fw_error_dump_trigger_desc {
__le32 type;
u8 data[];
};
#endif /* __fw_error_dump_h__ */

159
drivers/net/wireless/iwlwifi/iwl-fw-file.h
View File

@ -66,6 +66,7 @@
#define __iwl_fw_file_h__
#include <linux/netdevice.h>
#include <linux/nl80211.h>
/* v1/v2 uCode file layout */
struct iwl_ucode_header {
@ -133,8 +134,10 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_N_SCAN_CHANNELS = 31,
IWL_UCODE_TLV_SEC_RT_USNIFFER = 34,
IWL_UCODE_TLV_SDIO_ADMA_ADDR = 35,
IWL_UCODE_TLV_FW_VERSION = 36,
IWL_UCODE_TLV_FW_DBG_DEST = 38,
IWL_UCODE_TLV_FW_DBG_CONF = 39,
IWL_UCODE_TLV_FW_DBG_TRIGGER = 40,
};
struct iwl_ucode_tlv {
@ -156,7 +159,8 @@ struct iwl_tlv_ucode_header {
__le32 zero;
__le32 magic;
u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
__le32 ver; /* major/minor/API/serial */
/* major/minor/API/serial or major in new format */
__le32 ver;
__le32 build;
__le64 ignore;
/*
@ -237,7 +241,6 @@ enum iwl_ucode_tlv_flag {
* enum iwl_ucode_tlv_api - ucode api
* @IWL_UCODE_TLV_API_BT_COEX_SPLIT: new API for BT Coex
* @IWL_UCODE_TLV_API_DISABLE_STA_TX: ucode supports tx_disable bit.
* @IWL_UCODE_TLV_API_LMAC_SCAN: This ucode uses LMAC unified scan API.
* @IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF: ucode supports disabling dummy notif.
* @IWL_UCODE_TLV_API_FRAGMENTED_SCAN: This ucode supports active dwell time
* longer than the passive one, which is essential for fragmented scan.
@ -250,11 +253,12 @@ enum iwl_ucode_tlv_flag {
* @IWL_UCODE_TLV_API_SINGLE_SCAN_EBS: EBS is supported for single scans too.
* @IWL_UCODE_TLV_API_ASYNC_DTM: Async temperature notifications are supported.
* @IWL_UCODE_TLV_API_LQ_SS_PARAMS: Configure STBC/BFER via LQ CMD ss_params
* @IWL_UCODE_TLV_API_STATS_V10: uCode supports/uses statistics API version 10
* @IWL_UCODE_TLV_API_NEW_VERSION: new versioning format
*/
enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_BT_COEX_SPLIT = BIT(3),
IWL_UCODE_TLV_API_DISABLE_STA_TX = BIT(5),
IWL_UCODE_TLV_API_LMAC_SCAN = BIT(6),
IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF = BIT(7),
IWL_UCODE_TLV_API_FRAGMENTED_SCAN = BIT(8),
IWL_UCODE_TLV_API_HDC_PHASE_0 = BIT(10),
@ -263,6 +267,8 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_SINGLE_SCAN_EBS = BIT(16),
IWL_UCODE_TLV_API_ASYNC_DTM = BIT(17),
IWL_UCODE_TLV_API_LQ_SS_PARAMS = BIT(18),
IWL_UCODE_TLV_API_STATS_V10 = BIT(19),
IWL_UCODE_TLV_API_NEW_VERSION = BIT(20),
};
/**
@ -284,6 +290,8 @@ enum iwl_ucode_tlv_api {
* which also implies support for the scheduler configuration command
* @IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH: supports TDLS channel switching
* @IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT: supports Hot Spot Command
* @IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS: support radio and beacon statistics
* @IWL_UCODE_TLV_CAPA_BT_COEX_PLCR: enabled BT Coex packet level co-running
*/
enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = BIT(0),
@ -298,6 +306,8 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_DQA_SUPPORT = BIT(12),
IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH = BIT(13),
IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT = BIT(18),
IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS = BIT(22),
IWL_UCODE_TLV_CAPA_BT_COEX_PLCR = BIT(28),
};
/* The default calibrate table size if not specified by firmware file */
@ -450,44 +460,129 @@ struct iwl_fw_dbg_conf_hcmd {
} __packed;
/**
* struct iwl_fw_dbg_trigger - a TLV that describes a debug configuration
* enum iwl_fw_dbg_trigger_mode - triggers functionalities
*
* @enabled: is this trigger enabled
* @reserved:
* @len: length, in bytes, of the %trigger field
* @trigger: pointer to a trigger struct
* @IWL_FW_DBG_TRIGGER_START: when trigger occurs re-conf the dbg mechanism
* @IWL_FW_DBG_TRIGGER_STOP: when trigger occurs pull the dbg data
*/
struct iwl_fw_dbg_trigger {
u8 enabled;
u8 reserved;
u8 len;
u8 trigger[0];
} __packed;
/**
* enum iwl_fw_dbg_conf - configurations available
*
* @FW_DBG_CUSTOM: take this configuration from alive
* Note that the trigger is NO-OP for this configuration
*/
enum iwl_fw_dbg_conf {
FW_DBG_CUSTOM = 0,
/* must be last */
FW_DBG_MAX,
FW_DBG_INVALID = 0xff,
enum iwl_fw_dbg_trigger_mode {
IWL_FW_DBG_TRIGGER_START = BIT(0),
IWL_FW_DBG_TRIGGER_STOP = BIT(1),
};
/**
* struct iwl_fw_dbg_conf_tlv - a TLV that describes a debug configuration
*
* @id: %enum iwl_fw_dbg_conf
* enum iwl_fw_dbg_trigger_vif_type - define the VIF type for a trigger
* @IWL_FW_DBG_CONF_VIF_ANY: any vif type
* @IWL_FW_DBG_CONF_VIF_IBSS: IBSS mode
* @IWL_FW_DBG_CONF_VIF_STATION: BSS mode
* @IWL_FW_DBG_CONF_VIF_AP: AP mode
* @IWL_FW_DBG_CONF_VIF_P2P_CLIENT: P2P Client mode
* @IWL_FW_DBG_CONF_VIF_P2P_GO: P2P GO mode
* @IWL_FW_DBG_CONF_VIF_P2P_DEVICE: P2P device
*/
enum iwl_fw_dbg_trigger_vif_type {
IWL_FW_DBG_CONF_VIF_ANY = NL80211_IFTYPE_UNSPECIFIED,
IWL_FW_DBG_CONF_VIF_IBSS = NL80211_IFTYPE_ADHOC,
IWL_FW_DBG_CONF_VIF_STATION = NL80211_IFTYPE_STATION,
IWL_FW_DBG_CONF_VIF_AP = NL80211_IFTYPE_AP,
IWL_FW_DBG_CONF_VIF_P2P_CLIENT = NL80211_IFTYPE_P2P_CLIENT,
IWL_FW_DBG_CONF_VIF_P2P_GO = NL80211_IFTYPE_P2P_GO,
IWL_FW_DBG_CONF_VIF_P2P_DEVICE = NL80211_IFTYPE_P2P_DEVICE,
};
/**
* struct iwl_fw_dbg_trigger_tlv - a TLV that describes the trigger
* @id: %enum iwl_fw_dbg_trigger
* @vif_type: %enum iwl_fw_dbg_trigger_vif_type
* @stop_conf_ids: bitmap of configurations this trigger relates to.
* if the mode is %IWL_FW_DBG_TRIGGER_STOP, then if the bit corresponding
* to the currently running configuration is set, the data should be
* collected.
* @stop_delay: how many milliseconds to wait before collecting the data
* after the STOP trigger fires.
* @mode: %enum iwl_fw_dbg_trigger_mode - can be stop / start of both
* @start_conf_id: if mode is %IWL_FW_DBG_TRIGGER_START, this defines what
* configuration should be applied when the triggers kicks in.
* @occurrences: number of occurrences. 0 means the trigger will never fire.
*/
struct iwl_fw_dbg_trigger_tlv {
__le32 id;
__le32 vif_type;
__le32 stop_conf_ids;
__le32 stop_delay;
u8 mode;
u8 start_conf_id;
__le16 occurrences;
__le32 reserved[2];
u8 data[0];
} __packed;
#define FW_DBG_START_FROM_ALIVE 0
#define FW_DBG_CONF_MAX 32
#define FW_DBG_INVALID 0xff
/**
* struct iwl_fw_dbg_trigger_missed_bcon - configures trigger for missed beacons
* @stop_consec_missed_bcon: stop recording if threshold is crossed.
* @stop_consec_missed_bcon_since_rx: stop recording if threshold is crossed.
* @start_consec_missed_bcon: start recording if threshold is crossed.
* @start_consec_missed_bcon_since_rx: start recording if threshold is crossed.
* @reserved1: reserved
* @reserved2: reserved
*/
struct iwl_fw_dbg_trigger_missed_bcon {
__le32 stop_consec_missed_bcon;
__le32 stop_consec_missed_bcon_since_rx;
__le32 reserved2[2];
__le32 start_consec_missed_bcon;
__le32 start_consec_missed_bcon_since_rx;
__le32 reserved1[2];
} __packed;
/**
* struct iwl_fw_dbg_trigger_cmd - configures trigger for messages from FW.
* cmds: the list of commands to trigger the collection on
*/
struct iwl_fw_dbg_trigger_cmd {
struct cmd {
u8 cmd_id;
u8 group_id;
} __packed cmds[16];
} __packed;
/**
* iwl_fw_dbg_trigger_stats - configures trigger for statistics
* @stop_offset: the offset of the value to be monitored
* @stop_threshold: the threshold above which to collect
* @start_offset: the offset of the value to be monitored
* @start_threshold: the threshold above which to start recording
*/
struct iwl_fw_dbg_trigger_stats {
__le32 stop_offset;
__le32 stop_threshold;
__le32 start_offset;
__le32 start_threshold;
} __packed;
/**
* struct iwl_fw_dbg_trigger_low_rssi - trigger for low beacon RSSI
* @rssi: RSSI value to trigger at
*/
struct iwl_fw_dbg_trigger_low_rssi {
__le32 rssi;
} __packed;
/**
* struct iwl_fw_dbg_conf_tlv - a TLV that describes a debug configuration.
* @id: conf id
* @usniffer: should the uSniffer image be used
* @num_of_hcmds: how many HCMDs to send are present here
* @hcmd: a variable length host command to be sent to apply the configuration.
* If there is more than one HCMD to send, they will appear one after the
* other and be sent in the order that they appear in.
* This parses IWL_UCODE_TLV_FW_DBG_CONF
* This parses IWL_UCODE_TLV_FW_DBG_CONF. The user can add up-to
* %FW_DBG_CONF_MAX configuration per run.
*/
struct iwl_fw_dbg_conf_tlv {
u8 id;
@ -495,8 +590,6 @@ struct iwl_fw_dbg_conf_tlv {
u8 reserved;
u8 num_of_hcmds;
struct iwl_fw_dbg_conf_hcmd hcmd;
/* struct iwl_fw_dbg_trigger sits after all variable length hcmds */
} __packed;
#endif /* __iwl_fw_file_h__ */

55
drivers/net/wireless/iwlwifi/iwl-fw.h
View File

@ -68,6 +68,7 @@
#include <net/mac80211.h>
#include "iwl-fw-file.h"
#include "iwl-fw-error-dump.h"
/**
* enum iwl_ucode_type
@ -157,6 +158,8 @@ struct iwl_fw_cscheme_list {
* @dbg_dest_tlv: points to the destination TLV for debug
* @dbg_conf_tlv: array of pointers to configuration TLVs for debug
* @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
* @dbg_trigger_tlv: array of pointers to triggers TLVs
* @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
* @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
*/
struct iwl_fw {
@ -186,9 +189,10 @@ struct iwl_fw {
u32 sdio_adma_addr;
struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_MAX];
size_t dbg_conf_tlv_len[FW_DBG_MAX];
struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
u8 dbg_dest_reg_num;
};
@ -206,37 +210,6 @@ static inline const char *get_fw_dbg_mode_string(int mode)
}
}
static inline const struct iwl_fw_dbg_trigger *
iwl_fw_dbg_conf_get_trigger(const struct iwl_fw *fw, u8 id)
{
const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
u8 *ptr;
int i;
if (!conf_tlv)
return NULL;
ptr = (void *)&conf_tlv->hcmd;
for (i = 0; i < conf_tlv->num_of_hcmds; i++) {
ptr += sizeof(conf_tlv->hcmd);
ptr += le16_to_cpu(conf_tlv->hcmd.len);
}
return (const struct iwl_fw_dbg_trigger *)ptr;
}
static inline bool
iwl_fw_dbg_conf_enabled(const struct iwl_fw *fw, u8 id)
{
const struct iwl_fw_dbg_trigger *trigger =
iwl_fw_dbg_conf_get_trigger(fw, id);
if (!trigger)
return false;
return trigger->enabled;
}
static inline bool
iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
{
@ -248,4 +221,18 @@ iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
return conf_tlv->usniffer;
}
#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
unlikely(__dbg_trigger); \
})
static inline struct iwl_fw_dbg_trigger_tlv*
iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, u8 id)
{
if (WARN_ON(id >= ARRAY_SIZE(fw->dbg_trigger_tlv)))
return NULL;
return fw->dbg_trigger_tlv[id];
}
#endif /* __iwl_fw_h__ */

2
drivers/net/wireless/iwlwifi/iwl-phy-db.c
View File

@ -72,7 +72,7 @@
#include "iwl-trans.h"
#define CHANNEL_NUM_SIZE 4 /* num of channels in calib_ch size */
#define IWL_NUM_PAPD_CH_GROUPS 7
#define IWL_NUM_PAPD_CH_GROUPS 9
#define IWL_NUM_TXP_CH_GROUPS 9
struct iwl_phy_db_entry {

1
drivers/net/wireless/iwlwifi/iwl-prph.h
View File

@ -370,7 +370,6 @@ enum secure_load_status_reg {
#define MON_BUFF_CYCLE_CNT (0xa03c48)
#define DBGC_IN_SAMPLE (0xa03c00)
#define DBGC_OUT_CTRL (0xa03c0c)
/* FW chicken bits */
#define LMPM_CHICK 0xA01FF8

4
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -595,6 +595,7 @@ enum iwl_d0i3_mode {
* @dflt_pwr_limit: default power limit fetched from the platform (ACPI)
* @dbg_dest_tlv: points to the destination TLV for debug
* @dbg_conf_tlv: array of pointers to configuration TLVs for debug
* @dbg_trigger_tlv: array of pointers to triggers TLVs for debug
* @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
*/
struct iwl_trans {
@ -628,7 +629,8 @@ struct iwl_trans {
u64 dflt_pwr_limit;
const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_MAX];
const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv * const *dbg_trigger_tlv;
u8 dbg_dest_reg_num;
enum iwl_d0i3_mode d0i3_mode;

4
drivers/net/wireless/iwlwifi/mvm/coex.c
View File

@ -611,7 +611,7 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
bt_cmd->enabled_modules |=
cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED);
if (IWL_MVM_BT_COEX_CORUNNING)
if (iwl_mvm_bt_is_plcr_supported(mvm))
bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED);
if (IWL_MVM_BT_COEX_MPLUT) {
@ -1234,7 +1234,7 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
if (!IWL_MVM_BT_COEX_CORUNNING)
if (!iwl_mvm_bt_is_plcr_supported(mvm))
return 0;
lockdep_assert_held(&mvm->mutex);

12
drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
View File

@ -619,7 +619,7 @@ int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm)
if (IWL_MVM_BT_COEX_SYNC2SCO)
bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
if (IWL_MVM_BT_COEX_CORUNNING) {
if (iwl_mvm_bt_is_plcr_supported(mvm)) {
bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
BT_VALID_CORUN_LUT_40);
bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
@ -1167,16 +1167,10 @@ bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
return lut_type != BT_COEX_LOOSE_LUT;
}
bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant)
{
u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
return ag < BT_HIGH_TRAFFIC;
}
bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm)
{
u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
return ag == BT_OFF;
return ag < BT_HIGH_TRAFFIC;
}
bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
@ -1213,7 +1207,7 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
.dataflags = { IWL_HCMD_DFL_NOCOPY, },
};
if (!IWL_MVM_BT_COEX_CORUNNING)
if (!iwl_mvm_bt_is_plcr_supported(mvm))
return 0;
lockdep_assert_held(&mvm->mutex);

9
drivers/net/wireless/iwlwifi/mvm/d3.c
View File

@ -1876,25 +1876,28 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
if (mvm->net_detect) {
iwl_mvm_query_netdetect_reasons(mvm, vif);
/* has unlocked the mutex, so skip that */
goto out;
} else {
keep = iwl_mvm_query_wakeup_reasons(mvm, vif);
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (keep)
mvm->keep_vif = vif;
/* has unlocked the mutex, so skip that */
goto out_iterate;
#endif
}
/* has unlocked the mutex, so skip that */
goto out;
out_unlock:
mutex_unlock(&mvm->mutex);
out:
out_iterate:
if (!test)
ieee80211_iterate_active_interfaces_rtnl(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_d3_disconnect_iter, keep ? vif : NULL);
out:
/* return 1 to reconfigure the device */
set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
set_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status);

54
drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
View File

@ -545,6 +545,57 @@ static ssize_t iwl_dbgfs_uapsd_misbehaving_write(struct ieee80211_vif *vif,
return ret ? count : -EINVAL;
}
static ssize_t iwl_dbgfs_rx_phyinfo_write(struct ieee80211_vif *vif, char *buf,
size_t count, loff_t *ppos)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
struct ieee80211_chanctx_conf *chanctx_conf;
struct iwl_mvm_phy_ctxt *phy_ctxt;
u16 value;
int ret;
ret = kstrtou16(buf, 0, &value);
if (ret)
return ret;
mutex_lock(&mvm->mutex);
rcu_read_lock();
chanctx_conf = rcu_dereference(vif->chanctx_conf);
/* make sure the channel context is assigned */
if (!chanctx_conf) {
rcu_read_unlock();
mutex_unlock(&mvm->mutex);
return -EINVAL;
}
phy_ctxt = &mvm->phy_ctxts[*(u16 *)chanctx_conf->drv_priv];
rcu_read_unlock();
mvm->dbgfs_rx_phyinfo = value;
ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chanctx_conf->min_def,
chanctx_conf->rx_chains_static,
chanctx_conf->rx_chains_dynamic);
mutex_unlock(&mvm->mutex);
return ret ?: count;
}
static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_vif *vif = file->private_data;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
char buf[8];
snprintf(buf, sizeof(buf), "0x%04x\n", mvmvif->mvm->dbgfs_rx_phyinfo);
return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
}
#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@ -560,6 +611,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
@ -595,6 +647,8 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE_VIF(uapsd_misbehaving, mvmvif->dbgfs_dir,
S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
S_IRUSR | S_IWUSR);
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
mvmvif == mvm->bf_allowed_vif)

6
drivers/net/wireless/iwlwifi/mvm/debugfs.c
View File

@ -942,7 +942,7 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
size_t count, loff_t *ppos)
{
struct iwl_mvm *mvm = file->private_data;
enum iwl_fw_dbg_conf conf;
int conf;
char buf[8];
const size_t bufsz = sizeof(buf);
int pos = 0;
@ -966,7 +966,7 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
if (ret)
return ret;
if (WARN_ON(conf_id >= FW_DBG_MAX))
if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
return -EINVAL;
mutex_lock(&mvm->mutex);
@ -985,7 +985,7 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
if (ret)
return ret;
iwl_mvm_fw_dbg_collect(mvm);
iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, 0);
iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);

1
drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h
View File

@ -70,6 +70,7 @@
#define MAC_INDEX_AUX 4
#define MAC_INDEX_MIN_DRIVER 0
#define NUM_MAC_INDEX_DRIVER MAC_INDEX_AUX
#define NUM_MAC_INDEX (MAC_INDEX_AUX + 1)
enum iwl_ac {
AC_BK,

191
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
View File

@ -70,54 +70,9 @@
/* Scan Commands, Responses, Notifications */
/* Masks for iwl_scan_channel.type flags */
#define SCAN_CHANNEL_TYPE_ACTIVE BIT(0)
#define SCAN_CHANNEL_NARROW_BAND BIT(22)
/* Max number of IEs for direct SSID scans in a command */
#define PROBE_OPTION_MAX 20
/**
* struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table
* @channel: band is selected by iwl_scan_cmd "flags" field
* @tx_gain: gain for analog radio
* @dsp_atten: gain for DSP
* @active_dwell: dwell time for active scan in TU, typically 5-50
* @passive_dwell: dwell time for passive scan in TU, typically 20-500
* @type: type is broken down to these bits:
* bit 0: 0 = passive, 1 = active
* bits 1-20: SSID direct bit map. If any of these bits is set then
* the corresponding SSID IE is transmitted in probe request
* (bit i adds IE in position i to the probe request)
* bit 22: channel width, 0 = regular, 1 = TGj narrow channel
*
* @iteration_count:
* @iteration_interval:
* This struct is used once for each channel in the scan list.
* Each channel can independently select:
* 1) SSID for directed active scans
* 2) Txpower setting (for rate specified within Tx command)
* 3) How long to stay on-channel (behavior may be modified by quiet_time,
* quiet_plcp_th, good_CRC_th)
*
* To avoid uCode errors, make sure the following are true (see comments
* under struct iwl_scan_cmd about max_out_time and quiet_time):
* 1) If using passive_dwell (i.e. passive_dwell != 0):
* active_dwell <= passive_dwell (< max_out_time if max_out_time != 0)
* 2) quiet_time <= active_dwell
* 3) If restricting off-channel time (i.e. max_out_time !=0):
* passive_dwell < max_out_time
* active_dwell < max_out_time
*/
struct iwl_scan_channel {
__le32 type;
__le16 channel;
__le16 iteration_count;
__le32 iteration_interval;
__le16 active_dwell;
__le16 passive_dwell;
} __packed; /* SCAN_CHANNEL_CONTROL_API_S_VER_1 */
/**
* struct iwl_ssid_ie - directed scan network information element
*
@ -132,152 +87,6 @@ struct iwl_ssid_ie {
u8 ssid[IEEE80211_MAX_SSID_LEN];
} __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
/**
* iwl_scan_flags - masks for scan command flags
*@SCAN_FLAGS_PERIODIC_SCAN:
*@SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX:
*@SCAN_FLAGS_DELAYED_SCAN_LOWBAND:
*@SCAN_FLAGS_DELAYED_SCAN_HIGHBAND:
*@SCAN_FLAGS_FRAGMENTED_SCAN:
*@SCAN_FLAGS_PASSIVE2ACTIVE: use active scan on channels that was active
* in the past hour, even if they are marked as passive.
*/
enum iwl_scan_flags {
SCAN_FLAGS_PERIODIC_SCAN = BIT(0),
SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX = BIT(1),
SCAN_FLAGS_DELAYED_SCAN_LOWBAND = BIT(2),
SCAN_FLAGS_DELAYED_SCAN_HIGHBAND = BIT(3),
SCAN_FLAGS_FRAGMENTED_SCAN = BIT(4),
SCAN_FLAGS_PASSIVE2ACTIVE = BIT(5),
};
/**
* enum iwl_scan_type - Scan types for scan command
* @SCAN_TYPE_FORCED:
* @SCAN_TYPE_BACKGROUND:
* @SCAN_TYPE_OS:
* @SCAN_TYPE_ROAMING:
* @SCAN_TYPE_ACTION:
* @SCAN_TYPE_DISCOVERY:
* @SCAN_TYPE_DISCOVERY_FORCED:
*/
enum iwl_scan_type {
SCAN_TYPE_FORCED = 0,
SCAN_TYPE_BACKGROUND = 1,
SCAN_TYPE_OS = 2,
SCAN_TYPE_ROAMING = 3,
SCAN_TYPE_ACTION = 4,
SCAN_TYPE_DISCOVERY = 5,
SCAN_TYPE_DISCOVERY_FORCED = 6,
}; /* SCAN_ACTIVITY_TYPE_E_VER_1 */
/**
* struct iwl_scan_cmd - scan request command
* ( SCAN_REQUEST_CMD = 0x80 )
* @len: command length in bytes
* @scan_flags: scan flags from SCAN_FLAGS_*
* @channel_count: num of channels in channel list
* (1 - ucode_capa.n_scan_channels)
* @quiet_time: in msecs, dwell this time for active scan on quiet channels
* @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than
* this number of packets were received (typically 1)
* @passive2active: is auto switching from passive to active during scan allowed
* @rxchain_sel_flags: RXON_RX_CHAIN_*
* @max_out_time: in TUs, max out of serving channel time
* @suspend_time: how long to pause scan when returning to service channel:
* bits 0-19: beacon interal in TUs (suspend before executing)
* bits 20-23: reserved
* bits 24-31: number of beacons (suspend between channels)
* @rxon_flags: RXON_FLG_*
* @filter_flags: RXON_FILTER_*
* @tx_cmd: for active scans (zero for passive), w/o payload,
* no RS so specify TX rate
* @direct_scan: direct scan SSIDs
* @type: one of SCAN_TYPE_*
* @repeats: how many time to repeat the scan
*/
struct iwl_scan_cmd {
__le16 len;
u8 scan_flags;
u8 channel_count;
__le16 quiet_time;
__le16 quiet_plcp_th;
__le16 passive2active;
__le16 rxchain_sel_flags;
__le32 max_out_time;
__le32 suspend_time;
/* RX_ON_FLAGS_API_S_VER_1 */
__le32 rxon_flags;
__le32 filter_flags;
struct iwl_tx_cmd tx_cmd;
struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
__le32 type;
__le32 repeats;
/*
* Probe request frame, followed by channel list.
*
* Size of probe request frame is specified by byte count in tx_cmd.
* Channel list follows immediately after probe request frame.
* Number of channels in list is specified by channel_count.
* Each channel in list is of type:
*
* struct iwl_scan_channel channels[0];
*
* NOTE: Only one band of channels can be scanned per pass. You
* must not mix 2.4GHz channels and 5.2GHz channels, and you must wait
* for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION)
* before requesting another scan.
*/
u8 data[0];
} __packed; /* SCAN_REQUEST_FIXED_PART_API_S_VER_5 */
/* Response to scan request contains only status with one of these values */
#define SCAN_RESPONSE_OK 0x1
#define SCAN_RESPONSE_ERROR 0x2
/*
* SCAN_ABORT_CMD = 0x81
* When scan abort is requested, the command has no fields except the common
* header. The response contains only a status with one of these values.
*/
#define SCAN_ABORT_POSSIBLE 0x1
#define SCAN_ABORT_IGNORED 0x2 /* no pending scans */
/* TODO: complete documentation */
#define SCAN_OWNER_STATUS 0x1
#define MEASURE_OWNER_STATUS 0x2
/**
* struct iwl_scan_start_notif - notifies start of scan in the device
* ( SCAN_START_NOTIFICATION = 0x82 )
* @tsf_low: TSF timer (lower half) in usecs
* @tsf_high: TSF timer (higher half) in usecs
* @beacon_timer: structured as follows:
* bits 0:19 - beacon interval in usecs
* bits 20:23 - reserved (0)
* bits 24:31 - number of beacons
* @channel: which channel is scanned
* @band: 0 for 5.2 GHz, 1 for 2.4 GHz
* @status: one of *_OWNER_STATUS
*/
struct iwl_scan_start_notif {
__le32 tsf_low;
__le32 tsf_high;
__le32 beacon_timer;
u8 channel;
u8 band;
u8 reserved[2];
__le32 status;
} __packed; /* SCAN_START_NTF_API_S_VER_1 */
/* scan results probe_status first bit indicates success */
#define SCAN_PROBE_STATUS_OK 0
#define SCAN_PROBE_STATUS_TX_FAILED BIT(0)
/* error statuses combined with TX_FAILED */
#define SCAN_PROBE_STATUS_FAIL_TTL BIT(1)
#define SCAN_PROBE_STATUS_FAIL_BT BIT(2)
/* How many statistics are gathered for each channel */
#define SCAN_RESULTS_STATISTICS 1

64
drivers/net/wireless/iwlwifi/mvm/fw-api-stats.h
View File

@ -65,6 +65,7 @@
#ifndef __fw_api_stats_h__
#define __fw_api_stats_h__
#include "fw-api-mac.h"
struct mvm_statistics_dbg {
__le32 burst_check;
@ -218,7 +219,7 @@ struct mvm_statistics_bt_activity {
__le32 lo_priority_rx_denied_cnt;
} __packed; /* STATISTICS_BT_ACTIVITY_API_S_VER_1 */
struct mvm_statistics_general {
struct mvm_statistics_general_v5 {
__le32 radio_temperature;
__le32 radio_voltage;
struct mvm_statistics_dbg dbg;
@ -244,6 +245,39 @@ struct mvm_statistics_general {
struct mvm_statistics_bt_activity bt_activity;
} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */
struct mvm_statistics_general_v8 {
__le32 radio_temperature;
__le32 radio_voltage;
struct mvm_statistics_dbg dbg;
__le32 sleep_time;
__le32 slots_out;
__le32 slots_idle;
__le32 ttl_timestamp;
struct mvm_statistics_div slow_div;
__le32 rx_enable_counter;
/*
* num_of_sos_states:
* count the number of times we have to re-tune
* in order to get out of bad PHY status
*/
__le32 num_of_sos_states;
__le32 beacon_filtered;
__le32 missed_beacons;
__s8 beacon_filter_average_energy;
__s8 beacon_filter_reason;
__s8 beacon_filter_current_energy;
__s8 beacon_filter_reserved;
__le32 beacon_filter_delta_time;
struct mvm_statistics_bt_activity bt_activity;
__le64 rx_time;
__le64 on_time_rf;
__le64 on_time_scan;
__le64 tx_time;
__le32 beacon_counter[NUM_MAC_INDEX];
u8 beacon_average_energy[NUM_MAC_INDEX];
u8 reserved[4 - (NUM_MAC_INDEX % 4)];
} __packed; /* STATISTICS_GENERAL_API_S_VER_8 */
struct mvm_statistics_rx {
struct mvm_statistics_rx_phy ofdm;
struct mvm_statistics_rx_phy cck;
@ -256,22 +290,28 @@ struct mvm_statistics_rx {
*
* By default, uCode issues this notification after receiving a beacon
* while associated. To disable this behavior, set DISABLE_NOTIF flag in the
* REPLY_STATISTICS_CMD 0x9c, above.
*
* Statistics counters continue to increment beacon after beacon, but are
* cleared when changing channels or when driver issues REPLY_STATISTICS_CMD
* 0x9c with CLEAR_STATS bit set (see above).
*
* uCode also issues this notification during scans. uCode clears statistics
* appropriately so that each notification contains statistics for only the
* one channel that has just been scanned.
* STATISTICS_CMD (0x9c), below.
*/
struct iwl_notif_statistics {
struct iwl_notif_statistics_v8 {
__le32 flag;
struct mvm_statistics_rx rx;
struct mvm_statistics_tx tx;
struct mvm_statistics_general general;
struct mvm_statistics_general_v5 general;
} __packed; /* STATISTICS_NTFY_API_S_VER_8 */
struct iwl_notif_statistics_v10 {
__le32 flag;
struct mvm_statistics_rx rx;
struct mvm_statistics_tx tx;
struct mvm_statistics_general_v8 general;
} __packed; /* STATISTICS_NTFY_API_S_VER_10 */
#define IWL_STATISTICS_FLG_CLEAR 0x1
#define IWL_STATISTICS_FLG_DISABLE_NOTIF 0x2
struct iwl_statistics_cmd {
__le32 flags;
} __packed; /* STATISTICS_CMD_API_S_VER_1 */
#endif /* __fw_api_stats_h__ */

27
drivers/net/wireless/iwlwifi/mvm/fw-api.h
View File

@ -192,6 +192,7 @@ enum {
BEACON_NOTIFICATION = 0x90,
BEACON_TEMPLATE_CMD = 0x91,
TX_ANT_CONFIGURATION_CMD = 0x98,
STATISTICS_CMD = 0x9c,
STATISTICS_NOTIFICATION = 0x9d,
EOSP_NOTIFICATION = 0x9e,
REDUCE_TX_POWER_CMD = 0x9f,
@ -431,7 +432,7 @@ enum {
#define IWL_ALIVE_FLG_RFKILL BIT(0)
struct mvm_alive_resp {
struct mvm_alive_resp_ver1 {
__le16 status;
__le16 flags;
u8 ucode_minor;
@ -482,6 +483,30 @@ struct mvm_alive_resp_ver2 {
__le32 dbg_print_buff_addr;
} __packed; /* ALIVE_RES_API_S_VER_2 */
struct mvm_alive_resp {
__le16 status;
__le16 flags;
__le32 ucode_minor;
__le32 ucode_major;
u8 ver_subtype;
u8 ver_type;
u8 mac;
u8 opt;
__le32 timestamp;
__le32 error_event_table_ptr; /* SRAM address for error log */
__le32 log_event_table_ptr; /* SRAM address for LMAC event log */
__le32 cpu_register_ptr;
__le32 dbgm_config_ptr;
__le32 alive_counter_ptr;
__le32 scd_base_ptr; /* SRAM address for SCD */
__le32 st_fwrd_addr; /* pointer to Store and forward */
__le32 st_fwrd_size;
__le32 umac_minor; /* UMAC version: minor */
__le32 umac_major; /* UMAC version: major */
__le32 error_info_addr; /* SRAM address for UMAC error log */
__le32 dbg_print_buff_addr;
} __packed; /* ALIVE_RES_API_S_VER_3 */
/* Error response/notification */
enum {
FW_ERR_UNKNOWN_CMD = 0x0,

133
drivers/net/wireless/iwlwifi/mvm/fw.c
View File

@ -112,25 +112,27 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
struct iwl_mvm *mvm =
container_of(notif_wait, struct iwl_mvm, notif_wait);
struct iwl_mvm_alive_data *alive_data = data;
struct mvm_alive_resp *palive;
struct mvm_alive_resp_ver1 *palive1;
struct mvm_alive_resp_ver2 *palive2;
struct mvm_alive_resp *palive;
if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
palive = (void *)pkt->data;
if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) {
palive1 = (void *)pkt->data;
mvm->support_umac_log = false;
mvm->error_event_table =
le32_to_cpu(palive->error_event_table_ptr);
mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
le32_to_cpu(palive1->error_event_table_ptr);
mvm->log_event_table =
le32_to_cpu(palive1->log_event_table_ptr);
alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr);
alive_data->valid = le16_to_cpu(palive->status) ==
alive_data->valid = le16_to_cpu(palive1->status) ==
IWL_ALIVE_STATUS_OK;
IWL_DEBUG_FW(mvm,
"Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
le16_to_cpu(palive->status), palive->ver_type,
palive->ver_subtype, palive->flags);
} else {
le16_to_cpu(palive1->status), palive1->ver_type,
palive1->ver_subtype, palive1->flags);
} else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) {
palive2 = (void *)pkt->data;
mvm->error_event_table =
@ -156,6 +158,33 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
IWL_DEBUG_FW(mvm,
"UMAC version: Major - 0x%x, Minor - 0x%x\n",
palive2->umac_major, palive2->umac_minor);
} else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
palive = (void *)pkt->data;
mvm->error_event_table =
le32_to_cpu(palive->error_event_table_ptr);
mvm->log_event_table =
le32_to_cpu(palive->log_event_table_ptr);
alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
mvm->umac_error_event_table =
le32_to_cpu(palive->error_info_addr);
mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr);
mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size);
alive_data->valid = le16_to_cpu(palive->status) ==
IWL_ALIVE_STATUS_OK;
if (mvm->umac_error_event_table)
mvm->support_umac_log = true;
IWL_DEBUG_FW(mvm,
"Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
le16_to_cpu(palive->status), palive->ver_type,
palive->ver_subtype, palive->flags);
IWL_DEBUG_FW(mvm,
"UMAC version: Major - 0x%x, Minor - 0x%x\n",
le32_to_cpu(palive->umac_major),
le32_to_cpu(palive->umac_minor));
}
return true;
@ -188,8 +217,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
struct iwl_sf_region st_fwrd_space;
if (ucode_type == IWL_UCODE_REGULAR &&
iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_CUSTOM) &&
iwl_fw_dbg_conf_enabled(mvm->fw, FW_DBG_CUSTOM))
iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE))
fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
else
fw = iwl_get_ucode_image(mvm, ucode_type);
@ -451,20 +479,80 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
iwl_free_resp(&cmd);
}
void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm)
int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
struct iwl_mvm_dump_desc *desc,
unsigned int delay)
{
if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status))
return -EBUSY;
if (WARN_ON(mvm->fw_dump_desc))
iwl_mvm_free_fw_dump_desc(mvm);
IWL_WARN(mvm, "Collecting data: trigger %d fired.\n",
le32_to_cpu(desc->trig_desc.type));
mvm->fw_dump_desc = desc;
/* stop recording */
if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
} else {
iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0);
iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, 0);
/* wait before we collect the data till the DBGC stop */
udelay(100);
}
schedule_work(&mvm->fw_error_dump_wk);
queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay);
return 0;
}
int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id)
int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
const char *str, size_t len, unsigned int delay)
{
struct iwl_mvm_dump_desc *desc;
desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC);
if (!desc)
return -ENOMEM;
desc->len = len;
desc->trig_desc.type = cpu_to_le32(trig);
memcpy(desc->trig_desc.data, str, len);
return iwl_mvm_fw_dbg_collect_desc(mvm, desc, delay);
}
int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trigger,
const char *str, size_t len)
{
unsigned int delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
u16 occurrences = le16_to_cpu(trigger->occurrences);
int ret;
if (!occurrences)
return 0;
ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), str,
len, delay);
if (ret)
return ret;
trigger->occurrences = cpu_to_le16(occurrences - 1);
return 0;
}
static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm)
{
if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000)
iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
else
iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1);
}
int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id)
{
u8 *ptr;
int ret;
@ -474,6 +562,14 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id)
"Invalid configuration %d\n", conf_id))
return -EINVAL;
/* EARLY START - firmware's configuration is hard coded */
if ((!mvm->fw->dbg_conf_tlv[conf_id] ||
!mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) &&
conf_id == FW_DBG_START_FROM_ALIVE) {
iwl_mvm_restart_early_start(mvm);
return 0;
}
if (!mvm->fw->dbg_conf_tlv[conf_id])
return -EINVAL;
@ -583,7 +679,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
mvm->fw_dbg_conf = FW_DBG_INVALID;
iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM);
/* if we have a destination, assume EARLY START */
if (mvm->fw->dbg_dest_tlv)
mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE;
iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE);
ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
if (ret)

36
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
View File

@ -244,6 +244,7 @@ static void iwl_mvm_mac_sta_hw_queues_iter(void *_data,
unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
struct ieee80211_vif *exclude_vif)
{
u8 sta_id;
struct iwl_mvm_hw_queues_iface_iterator_data data = {
.exclude_vif = exclude_vif,
.used_hw_queues =
@ -264,6 +265,13 @@ unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
iwl_mvm_mac_sta_hw_queues_iter,
&data);
/*
* Some TDLS stations may be removed but are in the process of being
* drained. Don't touch their queues.
*/
for_each_set_bit(sta_id, mvm->sta_drained, IWL_MVM_STATION_COUNT)
data.used_hw_queues |= mvm->tfd_drained[sta_id];
return data.used_hw_queues;
}
@ -1367,10 +1375,18 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac,
{
struct iwl_missed_beacons_notif *missed_beacons = _data;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
struct iwl_fw_dbg_trigger_missed_bcon *bcon_trig;
struct iwl_fw_dbg_trigger_tlv *trigger;
u32 stop_trig_missed_bcon, stop_trig_missed_bcon_since_rx;
u32 rx_missed_bcon, rx_missed_bcon_since_rx;
if (mvmvif->id != (u16)le32_to_cpu(missed_beacons->mac_id))
return;
rx_missed_bcon = le32_to_cpu(missed_beacons->consec_missed_beacons);
rx_missed_bcon_since_rx =
le32_to_cpu(missed_beacons->consec_missed_beacons_since_last_rx);
/*
* TODO: the threshold should be adjusted based on latency conditions,
* and/or in case of a CS flow on one of the other AP vifs.
@ -1378,6 +1394,26 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac,
if (le32_to_cpu(missed_beacons->consec_missed_beacons_since_last_rx) >
IWL_MVM_MISSED_BEACONS_THRESHOLD)
ieee80211_beacon_loss(vif);
if (!iwl_fw_dbg_trigger_enabled(mvm->fw,
FW_DBG_TRIGGER_MISSED_BEACONS))
return;
trigger = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_MISSED_BEACONS);
bcon_trig = (void *)trigger->data;
stop_trig_missed_bcon = le32_to_cpu(bcon_trig->stop_consec_missed_bcon);
stop_trig_missed_bcon_since_rx =
le32_to_cpu(bcon_trig->stop_consec_missed_bcon_since_rx);
/* TODO: implement start trigger */
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
return;
if (rx_missed_bcon_since_rx >= stop_trig_missed_bcon_since_rx ||
rx_missed_bcon >= stop_trig_missed_bcon)
iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL, 0);
}
int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,

180
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -339,13 +339,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
!iwlwifi_mod_params.sw_crypto)
hw->flags |= IEEE80211_HW_MFP_CAPABLE;
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN ||
mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
hw->wiphy->features |=
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
}
hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
hw->wiphy->features |=
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
hw->sta_data_size = sizeof(struct iwl_mvm_sta);
hw->vif_data_size = sizeof(struct iwl_mvm_vif);
@ -889,12 +886,23 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
iwl_trans_release_nic_access(mvm->trans, &flags);
}
void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm)
{
if (mvm->fw_dump_desc == &iwl_mvm_dump_desc_assert ||
!mvm->fw_dump_desc)
return;
kfree(mvm->fw_dump_desc);
mvm->fw_dump_desc = NULL;
}
void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
{
struct iwl_fw_error_dump_file *dump_file;
struct iwl_fw_error_dump_data *dump_data;
struct iwl_fw_error_dump_info *dump_info;
struct iwl_fw_error_dump_mem *dump_mem;
struct iwl_fw_error_dump_trigger_desc *dump_trig;
struct iwl_mvm_dump_ptrs *fw_error_dump;
u32 sram_len, sram_ofs;
u32 file_len, fifo_data_len = 0;
@ -964,6 +972,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
fifo_data_len +
sizeof(*dump_info);
if (mvm->fw_dump_desc)
file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
mvm->fw_dump_desc->len;
/* Make room for the SMEM, if it exists */
if (smem_len)
file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
@ -975,6 +987,7 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
dump_file = vzalloc(file_len);
if (!dump_file) {
kfree(fw_error_dump);
iwl_mvm_free_fw_dump_desc(mvm);
return;
}
@ -1003,6 +1016,19 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
if (test_bit(STATUS_FW_ERROR, &mvm->trans->status))
iwl_mvm_dump_fifos(mvm, &dump_data);
if (mvm->fw_dump_desc) {
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
mvm->fw_dump_desc->len);
dump_trig = (void *)dump_data->data;
memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc,
sizeof(*dump_trig) + mvm->fw_dump_desc->len);
/* now we can free this copy */
iwl_mvm_free_fw_dump_desc(mvm);
dump_data = iwl_fw_error_next_data(dump_data);
}
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
dump_mem = (void *)dump_data->data;
@ -1041,16 +1067,26 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status);
}
struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = {
.trig_desc = {
.type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT),
},
};
static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
{
/* clear the D3 reconfig, we only need it to avoid dumping a
* firmware coredump on reconfiguration, we shouldn't do that
* on D3->D0 transition
*/
if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status))
if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
iwl_mvm_fw_error_dump(mvm);
}
/* cleanup all stale references (scan, roc), but keep the
* ucode_down ref until reconfig is complete
@ -1091,6 +1127,10 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
mvm->vif_count = 0;
mvm->rx_ba_sessions = 0;
mvm->fw_dbg_conf = FW_DBG_INVALID;
/* keep statistics ticking */
iwl_mvm_accu_radio_stats(mvm);
}
int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
@ -1213,6 +1253,11 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
{
lockdep_assert_held(&mvm->mutex);
/* firmware counters are obviously reset now, but we shouldn't
* partially track so also clear the fw_reset_accu counters.
*/
memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
/*
* Disallow low power states when the FW is down by taking
* the UCODE_DOWN ref. in case of ongoing hw restart the
@ -1252,7 +1297,8 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
flush_work(&mvm->d0i3_exit_work);
flush_work(&mvm->async_handlers_wk);
flush_work(&mvm->fw_error_dump_wk);
cancel_delayed_work_sync(&mvm->fw_dump_wk);
iwl_mvm_free_fw_dump_desc(mvm);
mutex_lock(&mvm->mutex);
__iwl_mvm_mac_stop(mvm);
@ -1317,6 +1363,11 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
mutex_lock(&mvm->mutex);
/* make sure that beacon statistics don't go backwards with FW reset */
if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
mvmvif->beacon_stats.accu_num_beacons +=
mvmvif->beacon_stats.num_beacons;
/* Allocate resources for the MAC context, and add it to the fw */
ret = iwl_mvm_mac_ctxt_init(mvm, vif);
if (ret)
@ -1810,6 +1861,11 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
if (changes & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
/* clear statistics to get clean beacon counter */
iwl_mvm_request_statistics(mvm, true);
memset(&mvmvif->beacon_stats, 0,
sizeof(mvmvif->beacon_stats));
/* add quota for this interface */
ret = iwl_mvm_update_quotas(mvm, NULL);
if (ret) {
@ -2196,10 +2252,8 @@ static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
ret = iwl_mvm_scan_umac(mvm, vif, hw_req);
else if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
else
ret = iwl_mvm_scan_request(mvm, vif, req);
ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
if (ret)
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
@ -2527,13 +2581,7 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
mutex_lock(&mvm->mutex);
/* Newest FW fixes sched scan while connected on another interface */
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
if (!vif->bss_conf.idle) {
ret = -EBUSY;
goto out;
}
} else if (!iwl_mvm_is_idle(mvm)) {
if (!vif->bss_conf.idle) {
ret = -EBUSY;
goto out;
}
@ -3433,6 +3481,9 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
chsw->chandef.center_freq1);
iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH,
NULL, 0);
switch (vif->type) {
case NL80211_IFTYPE_AP:
csa_vif =
@ -3581,6 +3632,95 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
}
}
static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
memset(survey, 0, sizeof(*survey));
/* only support global statistics right now */
if (idx != 0)
return -ENOENT;
if (!(mvm->fw->ucode_capa.capa[0] &
IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
return -ENOENT;
mutex_lock(&mvm->mutex);
if (mvm->ucode_loaded) {
ret = iwl_mvm_request_statistics(mvm, false);
if (ret)
goto out;
}
survey->filled = SURVEY_INFO_TIME |
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_TX |
SURVEY_INFO_TIME_SCAN;
survey->time = mvm->accu_radio_stats.on_time_rf +
mvm->radio_stats.on_time_rf;
do_div(survey->time, USEC_PER_MSEC);
survey->time_rx = mvm->accu_radio_stats.rx_time +
mvm->radio_stats.rx_time;
do_div(survey->time_rx, USEC_PER_MSEC);
survey->time_tx = mvm->accu_radio_stats.tx_time +
mvm->radio_stats.tx_time;
do_div(survey->time_tx, USEC_PER_MSEC);
survey->time_scan = mvm->accu_radio_stats.on_time_scan +
mvm->radio_stats.on_time_scan;
do_div(survey->time_scan, USEC_PER_MSEC);
out:
mutex_unlock(&mvm->mutex);
return ret;
}
static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct station_info *sinfo)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
if (!(mvm->fw->ucode_capa.capa[0] &
IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
return;
/* if beacon filtering isn't on mac80211 does it anyway */
if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
return;
if (!vif->bss_conf.assoc)
return;
mutex_lock(&mvm->mutex);
if (mvmvif->ap_sta_id != mvmsta->sta_id)
goto unlock;
if (iwl_mvm_request_statistics(mvm, false))
goto unlock;
sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
mvmvif->beacon_stats.accu_num_beacons;
sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
if (mvmvif->beacon_stats.avg_signal) {
/* firmware only reports a value after RXing a few beacons */
sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
}
unlock:
mutex_unlock(&mvm->mutex);
}
const struct ieee80211_ops iwl_mvm_hw_ops = {
.tx = iwl_mvm_mac_tx,
.ampdu_action = iwl_mvm_mac_ampdu_action,
@ -3647,4 +3787,6 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
#endif
.set_default_unicast_key = iwl_mvm_set_default_unicast_key,
#endif
.get_survey = iwl_mvm_mac_get_survey,
.sta_statistics = iwl_mvm_mac_sta_statistics,
};

125
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -75,6 +75,7 @@
#include "iwl-trans.h"
#include "iwl-notif-wait.h"
#include "iwl-eeprom-parse.h"
#include "iwl-fw-file.h"
#include "sta.h"
#include "fw-api.h"
#include "constants.h"
@ -145,6 +146,19 @@ struct iwl_mvm_dump_ptrs {
u32 op_mode_len;
};
/**
* struct iwl_mvm_dump_desc - describes the dump
* @len: length of trig_desc->data
* @trig_desc: the description of the dump
*/
struct iwl_mvm_dump_desc {
size_t len;
/* must be last */
struct iwl_fw_error_dump_trigger_desc trig_desc;
};
extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
struct iwl_mvm_phy_ctxt {
u16 id;
u16 color;
@ -337,6 +351,9 @@ struct iwl_mvm_vif_bf_data {
* @beacon_skb: the skb used to hold the AP/GO beacon template
* @smps_requests: the SMPS requests of differents parts of the driver,
* combined on update to yield the overall request to mac80211.
* @beacon_stats: beacon statistics, containing the # of received beacons,
* # of received beacons accumulated over FW restart, and the current
* average signal of beacons retrieved from the firmware
*/
struct iwl_mvm_vif {
u16 id;
@ -354,6 +371,11 @@ struct iwl_mvm_vif {
bool ps_disabled;
struct iwl_mvm_vif_bf_data bf_data;
struct {
u32 num_beacons, accu_num_beacons;
u8 avg_signal;
} beacon_stats;
u32 ap_beacon_time;
enum iwl_tsf_id tsf_id;
@ -593,6 +615,13 @@ struct iwl_mvm {
struct mvm_statistics_rx rx_stats;
struct {
u64 rx_time;
u64 tx_time;
u64 on_time_rf;
u64 on_time_scan;
} radio_stats, accu_radio_stats;
u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
@ -666,6 +695,7 @@ struct iwl_mvm {
struct iwl_mvm_frame_stats drv_rx_stats;
spinlock_t drv_stats_lock;
u16 dbgfs_rx_phyinfo;
#endif
struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
@ -687,8 +717,9 @@ struct iwl_mvm {
/* -1 for always, 0 for never, >0 for that many times */
s8 restart_fw;
struct work_struct fw_error_dump_wk;
enum iwl_fw_dbg_conf fw_dbg_conf;
u8 fw_dbg_conf;
struct delayed_work fw_dump_wk;
struct iwl_mvm_dump_desc *fw_dump_desc;
#ifdef CONFIG_IWLWIFI_LEDS
struct led_classdev led;
@ -824,6 +855,7 @@ enum iwl_mvm_status {
IWL_MVM_STATUS_IN_D0I3,
IWL_MVM_STATUS_ROC_AUX_RUNNING,
IWL_MVM_STATUS_D3_RECONFIG,
IWL_MVM_STATUS_DUMPING_FW_LOG,
};
static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
@ -883,6 +915,12 @@ static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
}
static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
{
return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
IWL_MVM_BT_COEX_CORUNNING;
}
extern const u8 iwl_mvm_ac_to_tx_fifo[];
struct iwl_rate_info {
@ -951,12 +989,13 @@ static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
}
/* Statistics */
int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt);
int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
/* NVM */
int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
@ -1072,13 +1111,6 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
/* Scanning */
int iwl_mvm_scan_size(struct iwl_mvm *mvm);
int iwl_mvm_scan_request(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req);
int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
@ -1089,14 +1121,8 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies);
int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
struct cfg80211_sched_scan_request *req);
int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
struct cfg80211_sched_scan_request *req);
int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
@ -1238,7 +1264,6 @@ bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
struct ieee80211_tx_info *info, u8 ac);
bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant);
bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
@ -1352,9 +1377,6 @@ static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
}
/* Assoc status */
bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
/* Thermal management and CT-kill */
void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
@ -1405,7 +1427,62 @@ struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
const char *str, size_t len, unsigned int delay);
int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
struct iwl_mvm_dump_desc *desc,
unsigned int delay);
void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trigger,
const char *str, size_t len);
static inline bool
iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
struct ieee80211_vif *vif)
{
u32 trig_vif = le32_to_cpu(trig->vif_type);
return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
}
static inline bool
iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig)
{
return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
(mvm->fw_dbg_conf == FW_DBG_INVALID ||
(BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
}
static inline bool
iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct iwl_fw_dbg_trigger_tlv *trig)
{
if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
return false;
return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
}
static inline void
iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
enum iwl_fw_dbg_trigger trig,
const char *str, size_t len)
{
struct iwl_fw_dbg_trigger_tlv *trigger;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
return;
trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
return;
iwl_mvm_fw_dbg_collect_trig(mvm, trigger, str, len);
}
#endif /* __IWL_MVM_H__ */

44
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -237,8 +237,6 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false),
RX_HANDLER(SCAN_REQUEST_CMD, iwl_mvm_rx_scan_response, false),
RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, true),
RX_HANDLER(SCAN_ITERATION_COMPLETE,
iwl_mvm_rx_scan_offload_iter_complete_notif, false),
RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
@ -311,6 +309,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
CMD(REPLY_RX_MPDU_CMD),
CMD(BEACON_NOTIFICATION),
CMD(BEACON_TEMPLATE_CMD),
CMD(STATISTICS_CMD),
CMD(STATISTICS_NOTIFICATION),
CMD(EOSP_NOTIFICATION),
CMD(REDUCE_TX_POWER_CMD),
@ -456,7 +455,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
INIT_WORK(&mvm->fw_error_dump_wk, iwl_mvm_fw_error_dump_wk);
INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk);
INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
spin_lock_init(&mvm->d0i3_tx_lock);
@ -504,6 +503,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
sizeof(trans->dbg_conf_tlv));
trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
/* set up notification wait support */
iwl_notification_wait_init(&mvm->notif_wait);
@ -685,6 +685,38 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
mutex_unlock(&mvm->mutex);
}
static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_cmd *cmds_trig;
char buf[32];
int i;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF);
cmds_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
return;
for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
/* don't collect on CMD 0 */
if (!cmds_trig->cmds[i].cmd_id)
break;
if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd)
continue;
memset(buf, 0, sizeof(buf));
snprintf(buf, sizeof(buf), "CMD 0x%02x received", pkt->hdr.cmd);
iwl_mvm_fw_dbg_collect_trig(mvm, trig, buf, sizeof(buf));
break;
}
}
static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
@ -693,6 +725,8 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
u8 i;
iwl_mvm_rx_check_trigger(mvm, pkt);
/*
* Do the notification wait before RX handlers so
* even if the RX handler consumes the RXB we have
@ -827,7 +861,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk)
static void iwl_mvm_fw_error_dump_wk(struct work_struct *work)
{
struct iwl_mvm *mvm =
container_of(work, struct iwl_mvm, fw_error_dump_wk);
container_of(work, struct iwl_mvm, fw_dump_wk.work);
if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT))
return;
@ -879,7 +913,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
* can't recover this since we're already half suspended.
*/
if (!mvm->restart_fw && fw_error) {
schedule_work(&mvm->fw_error_dump_wk);
iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, 0);
} else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART,
&mvm->status)) {
struct iwl_mvm_reprobe *reprobe;

2
drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
View File

@ -175,6 +175,8 @@ static void iwl_mvm_phy_ctxt_cmd_data(struct iwl_mvm *mvm,
cmd->rxchain_info |= cpu_to_le32(idle_cnt << PHY_RX_CHAIN_CNT_POS);
cmd->rxchain_info |= cpu_to_le32(active_cnt <<
PHY_RX_CHAIN_MIMO_CNT_POS);
if (unlikely(mvm->dbgfs_rx_phyinfo))
cmd->rxchain_info = cpu_to_le32(mvm->dbgfs_rx_phyinfo);
cmd->txchain_info = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
}

215
drivers/net/wireless/iwlwifi/mvm/rs.c
View File

@ -134,9 +134,12 @@ enum rs_column_mode {
#define MAX_NEXT_COLUMNS 7
#define MAX_COLUMN_CHECKS 3
struct rs_tx_column;
typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl);
struct iwl_scale_tbl_info *tbl,
const struct rs_tx_column *next_col);
struct rs_tx_column {
enum rs_column_mode mode;
@ -147,14 +150,19 @@ struct rs_tx_column {
};
static bool rs_ant_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl)
struct iwl_scale_tbl_info *tbl,
const struct rs_tx_column *next_col)
{
return iwl_mvm_bt_coex_is_ant_avail(mvm, tbl->rate.ant);
return iwl_mvm_bt_coex_is_ant_avail(mvm, next_col->ant);
}
static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl)
struct iwl_scale_tbl_info *tbl,
const struct rs_tx_column *next_col)
{
struct iwl_mvm_sta *mvmsta;
struct iwl_mvm_vif *mvmvif;
if (!sta->ht_cap.ht_supported)
return false;
@ -167,11 +175,17 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
if (!iwl_mvm_bt_coex_is_mimo_allowed(mvm, sta))
return false;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
if (iwl_mvm_vif_low_latency(mvmvif) && mvmsta->vif->p2p)
return false;
return true;
}
static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl)
struct iwl_scale_tbl_info *tbl,
const struct rs_tx_column *next_col)
{
if (!sta->ht_cap.ht_supported)
return false;
@ -180,7 +194,8 @@ static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
static bool rs_sgi_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl)
struct iwl_scale_tbl_info *tbl,
const struct rs_tx_column *next_col)
{
struct rs_rate *rate = &tbl->rate;
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
@ -800,6 +815,8 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
rate->ldpc = true;
if (ucode_rate & RATE_MCS_VHT_STBC_MSK)
rate->stbc = true;
if (ucode_rate & RATE_MCS_BF_MSK)
rate->bfer = true;
rate->bw = ucode_rate & RATE_MCS_CHAN_WIDTH_MSK;
@ -809,7 +826,9 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
if (nss == 1) {
rate->type = LQ_HT_SISO;
WARN_ON_ONCE(!rate->stbc && num_of_ant != 1);
WARN_ONCE(!rate->stbc && !rate->bfer && num_of_ant != 1,
"stbc %d bfer %d",
rate->stbc, rate->bfer);
} else if (nss == 2) {
rate->type = LQ_HT_MIMO2;
WARN_ON_ONCE(num_of_ant != 2);
@ -822,7 +841,9 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
if (nss == 1) {
rate->type = LQ_VHT_SISO;
WARN_ON_ONCE(!rate->stbc && num_of_ant != 1);
WARN_ONCE(!rate->stbc && !rate->bfer && num_of_ant != 1,
"stbc %d bfer %d",
rate->stbc, rate->bfer);
} else if (nss == 2) {
rate->type = LQ_VHT_MIMO2;
WARN_ON_ONCE(num_of_ant != 2);
@ -1001,13 +1022,41 @@ static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta,
rs_get_lower_rate_in_column(lq_sta, rate);
}
/* Simple function to compare two rate scale table types */
static inline bool rs_rate_match(struct rs_rate *a,
struct rs_rate *b)
/* Check if both rates are identical
* allow_ant_mismatch enables matching a SISO rate on ANT_A or ANT_B
* with a rate indicating STBC/BFER and ANT_AB.
*/
static inline bool rs_rate_equal(struct rs_rate *a,
struct rs_rate *b,
bool allow_ant_mismatch)
{
bool ant_match = (a->ant == b->ant) && (a->stbc == b->stbc) &&
(a->bfer == b->bfer);
if (allow_ant_mismatch) {
if (a->stbc || a->bfer) {
WARN_ONCE(a->ant != ANT_AB, "stbc %d bfer %d ant %d",
a->stbc, a->bfer, a->ant);
ant_match |= (b->ant == ANT_A || b->ant == ANT_B);
} else if (b->stbc || b->bfer) {
WARN_ONCE(b->ant != ANT_AB, "stbc %d bfer %d ant %d",
b->stbc, b->bfer, b->ant);
ant_match |= (a->ant == ANT_A || a->ant == ANT_B);
}
}
return (a->type == b->type) && (a->bw == b->bw) && (a->sgi == b->sgi) &&
(a->ldpc == b->ldpc) && (a->index == b->index) && ant_match;
}
/* Check if both rates share the same column */
static inline bool rs_rate_column_match(struct rs_rate *a,
struct rs_rate *b)
{
bool ant_match;
if (a->stbc)
if (a->stbc || a->bfer)
ant_match = (b->ant == ANT_A || b->ant == ANT_B);
else
ant_match = (a->ant == b->ant);
@ -1016,18 +1065,6 @@ static inline bool rs_rate_match(struct rs_rate *a,
&& ant_match;
}
static u32 rs_ch_width_from_mac_flags(enum mac80211_rate_control_flags flags)
{
if (flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
return RATE_MCS_CHAN_WIDTH_40;
else if (flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
return RATE_MCS_CHAN_WIDTH_80;
else if (flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
return RATE_MCS_CHAN_WIDTH_160;
return RATE_MCS_CHAN_WIDTH_20;
}
static u8 rs_get_tid(struct ieee80211_hdr *hdr)
{
u8 tid = IWL_MAX_TID_COUNT;
@ -1048,15 +1085,17 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
{
int legacy_success;
int retries;
int mac_index, i;
int i;
struct iwl_lq_cmd *table;
enum mac80211_rate_control_flags mac_flags;
u32 ucode_rate;
struct rs_rate rate;
u32 lq_hwrate;
struct rs_rate lq_rate, tx_resp_rate;
struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl;
u8 reduced_txp = (uintptr_t)info->status.status_driver_data[0];
u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1];
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta;
bool allow_ant_mismatch = mvm->fw->ucode_capa.api[0] &
IWL_UCODE_TLV_API_LQ_SS_PARAMS;
/* Treat uninitialized rate scaling data same as non-existing. */
if (!lq_sta) {
@ -1079,39 +1118,6 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
!(info->flags & IEEE80211_TX_STAT_AMPDU))
return;
/*
* Ignore this Tx frame response if its initial rate doesn't match
* that of latest Link Quality command. There may be stragglers
* from a previous Link Quality command, but we're no longer interested
* in those; they're either from the "active" mode while we're trying
* to check "search" mode, or a prior "search" mode after we've moved
* to a new "search" mode (which might become the new "active" mode).
*/
table = &lq_sta->lq;
ucode_rate = le32_to_cpu(table->rs_table[0]);
rs_rate_from_ucode_rate(ucode_rate, info->band, &rate);
if (info->band == IEEE80211_BAND_5GHZ)
rate.index -= IWL_FIRST_OFDM_RATE;
mac_flags = info->status.rates[0].flags;
mac_index = info->status.rates[0].idx;
/* For HT packets, map MCS to PLCP */
if (mac_flags & IEEE80211_TX_RC_MCS) {
/* Remove # of streams */
mac_index &= RATE_HT_MCS_RATE_CODE_MSK;
if (mac_index >= (IWL_RATE_9M_INDEX - IWL_FIRST_OFDM_RATE))
mac_index++;
/*
* mac80211 HT index is always zero-indexed; we need to move
* HT OFDM rates after CCK rates in 2.4 GHz band
*/
if (info->band == IEEE80211_BAND_2GHZ)
mac_index += IWL_FIRST_OFDM_RATE;
} else if (mac_flags & IEEE80211_TX_RC_VHT_MCS) {
mac_index &= RATE_VHT_MCS_RATE_CODE_MSK;
if (mac_index >= (IWL_RATE_9M_INDEX - IWL_FIRST_OFDM_RATE))
mac_index++;
}
if (time_after(jiffies,
(unsigned long)(lq_sta->last_tx +
(IWL_MVM_RS_IDLE_TIMEOUT * HZ)))) {
@ -1126,21 +1132,24 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
lq_sta->last_tx = jiffies;
/* Ignore this Tx frame response if its initial rate doesn't match
* that of latest Link Quality command. There may be stragglers
* from a previous Link Quality command, but we're no longer interested
* in those; they're either from the "active" mode while we're trying
* to check "search" mode, or a prior "search" mode after we've moved
* to a new "search" mode (which might become the new "active" mode).
*/
table = &lq_sta->lq;
lq_hwrate = le32_to_cpu(table->rs_table[0]);
rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate);
rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, &tx_resp_rate);
/* Here we actually compare this rate to the latest LQ command */
if ((mac_index < 0) ||
(rate.sgi != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||
(rate.bw != rs_ch_width_from_mac_flags(mac_flags)) ||
(rate.ant != info->status.antenna) ||
(!!(ucode_rate & RATE_MCS_HT_MSK) !=
!!(mac_flags & IEEE80211_TX_RC_MCS)) ||
(!!(ucode_rate & RATE_MCS_VHT_MSK) !=
!!(mac_flags & IEEE80211_TX_RC_VHT_MCS)) ||
(!!(ucode_rate & RATE_HT_MCS_GF_MSK) !=
!!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) ||
(rate.index != mac_index)) {
if (!rs_rate_equal(&tx_resp_rate, &lq_rate, allow_ant_mismatch)) {
IWL_DEBUG_RATE(mvm,
"initial rate %d does not match %d (0x%x)\n",
mac_index, rate.index, ucode_rate);
"initial tx resp rate 0x%x does not match 0x%x\n",
tx_resp_hwrate, lq_hwrate);
/*
* Since rates mis-match, the last LQ command may have failed.
* After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with
@ -1168,14 +1177,14 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
other_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
}
if (WARN_ON_ONCE(!rs_rate_match(&rate, &curr_tbl->rate))) {
if (WARN_ON_ONCE(!rs_rate_column_match(&lq_rate, &curr_tbl->rate))) {
IWL_DEBUG_RATE(mvm,
"Neither active nor search matches tx rate\n");
tmp_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
rs_dump_rate(mvm, &tmp_tbl->rate, "ACTIVE");
tmp_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]);
rs_dump_rate(mvm, &tmp_tbl->rate, "SEARCH");
rs_dump_rate(mvm, &rate, "ACTUAL");
rs_dump_rate(mvm, &lq_rate, "ACTUAL");
/*
* no matching table found, let's by-pass the data collection
@ -1200,9 +1209,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
if (info->status.ampdu_ack_len == 0)
info->status.ampdu_len = 1;
ucode_rate = le32_to_cpu(table->rs_table[0]);
rs_rate_from_ucode_rate(ucode_rate, info->band, &rate);
rs_collect_tx_data(mvm, lq_sta, curr_tbl, rate.index,
rs_collect_tx_data(mvm, lq_sta, curr_tbl, lq_rate.index,
info->status.ampdu_len,
info->status.ampdu_ack_len,
reduced_txp);
@ -1225,21 +1232,23 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK);
/* Collect data for each rate used during failed TX attempts */
for (i = 0; i <= retries; ++i) {
ucode_rate = le32_to_cpu(table->rs_table[i]);
rs_rate_from_ucode_rate(ucode_rate, info->band, &rate);
lq_hwrate = le32_to_cpu(table->rs_table[i]);
rs_rate_from_ucode_rate(lq_hwrate, info->band,
&lq_rate);
/*
* Only collect stats if retried rate is in the same RS
* table as active/search.
*/
if (rs_rate_match(&rate, &curr_tbl->rate))
if (rs_rate_column_match(&lq_rate, &curr_tbl->rate))
tmp_tbl = curr_tbl;
else if (rs_rate_match(&rate, &other_tbl->rate))
else if (rs_rate_column_match(&lq_rate,
&other_tbl->rate))
tmp_tbl = other_tbl;
else
continue;
rs_collect_tx_data(mvm, lq_sta, tmp_tbl, rate.index, 1,
i < retries ? 0 : legacy_success,
rs_collect_tx_data(mvm, lq_sta, tmp_tbl, lq_rate.index,
1, i < retries ? 0 : legacy_success,
reduced_txp);
}
@ -1250,7 +1259,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
}
/* The last TX rate is cached in lq_sta; it's set in if/else above */
lq_sta->last_rate_n_flags = ucode_rate;
lq_sta->last_rate_n_flags = lq_hwrate;
IWL_DEBUG_RATE(mvm, "reduced txpower: %d\n", reduced_txp);
done:
/* See if there's a better rate or modulation mode to try. */
@ -1590,7 +1599,7 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
for (j = 0; j < MAX_COLUMN_CHECKS; j++) {
allow_func = next_col->checks[j];
if (allow_func && !allow_func(mvm, sta, tbl))
if (allow_func && !allow_func(mvm, sta, tbl, next_col))
break;
}
@ -2536,6 +2545,7 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta,
#ifdef CONFIG_MAC80211_DEBUGFS
lq_sta->pers.dbg_fixed_rate = 0;
lq_sta->pers.dbg_fixed_txp_reduction = TPC_INVALID;
lq_sta->pers.ss_force = RS_SS_FORCE_NONE;
#endif
lq_sta->pers.chains = 0;
memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal));
@ -3058,19 +3068,21 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm,
if (!iwl_mvm_bt_coex_is_mimo_allowed(mvm, sta))
goto out;
#ifdef CONFIG_MAC80211_DEBUGFS
/* Check if forcing the decision is configured.
* Note that SISO is forced by not allowing STBC or BFER
*/
if (lq_sta->ss_force == RS_SS_FORCE_STBC)
if (lq_sta->pers.ss_force == RS_SS_FORCE_STBC)
ss_params |= (LQ_SS_STBC_1SS_ALLOWED | LQ_SS_FORCE);
else if (lq_sta->ss_force == RS_SS_FORCE_BFER)
else if (lq_sta->pers.ss_force == RS_SS_FORCE_BFER)
ss_params |= (LQ_SS_BFER_ALLOWED | LQ_SS_FORCE);
if (lq_sta->ss_force != RS_SS_FORCE_NONE) {
if (lq_sta->pers.ss_force != RS_SS_FORCE_NONE) {
IWL_DEBUG_RATE(mvm, "Forcing single stream Tx decision %d\n",
lq_sta->ss_force);
lq_sta->pers.ss_force);
goto out;
}
#endif
if (lq_sta->stbc_capable)
ss_params |= LQ_SS_STBC_1SS_ALLOWED;
@ -3311,6 +3323,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
struct iwl_mvm *mvm;
struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct rs_rate *rate = &tbl->rate;
u32 ss_params;
mvm = lq_sta->pers.drv;
buff = kmalloc(2048, GFP_KERNEL);
if (!buff)
@ -3357,6 +3370,16 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
lq_sta->lq.agg_frame_cnt_limit);
desc += sprintf(buff+desc, "reduced tpc=%d\n", lq_sta->lq.reduced_tpc);
ss_params = le32_to_cpu(lq_sta->lq.ss_params);
desc += sprintf(buff+desc, "single stream params: %s%s%s%s\n",
(ss_params & LQ_SS_PARAMS_VALID) ?
"VALID," : "INVALID",
(ss_params & LQ_SS_BFER_ALLOWED) ?
"BFER," : "",
(ss_params & LQ_SS_STBC_1SS_ALLOWED) ?
"STBC," : "",
(ss_params & LQ_SS_FORCE) ?
"FORCE" : "");
desc += sprintf(buff+desc,
"Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n",
lq_sta->lq.initial_rate_index[0],
@ -3533,7 +3556,7 @@ static ssize_t iwl_dbgfs_ss_force_read(struct file *file,
};
pos += scnprintf(buf+pos, bufsz-pos, "%s\n",
ss_force_name[lq_sta->ss_force]);
ss_force_name[lq_sta->pers.ss_force]);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@ -3544,12 +3567,12 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf,
int ret = 0;
if (!strncmp("none", buf, 4)) {
lq_sta->ss_force = RS_SS_FORCE_NONE;
lq_sta->pers.ss_force = RS_SS_FORCE_NONE;
} else if (!strncmp("siso", buf, 4)) {
lq_sta->ss_force = RS_SS_FORCE_SISO;
lq_sta->pers.ss_force = RS_SS_FORCE_SISO;
} else if (!strncmp("stbc", buf, 4)) {
if (lq_sta->stbc_capable) {
lq_sta->ss_force = RS_SS_FORCE_STBC;
lq_sta->pers.ss_force = RS_SS_FORCE_STBC;
} else {
IWL_ERR(mvm,
"can't force STBC. peer doesn't support\n");
@ -3557,7 +3580,7 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf,
}
} else if (!strncmp("bfer", buf, 4)) {
if (lq_sta->bfer_capable) {
lq_sta->ss_force = RS_SS_FORCE_BFER;
lq_sta->pers.ss_force = RS_SS_FORCE_BFER;
} else {
IWL_ERR(mvm,
"can't force BFER. peer doesn't support\n");

7
drivers/net/wireless/iwlwifi/mvm/rs.h
View File

@ -170,6 +170,7 @@ struct rs_rate {
bool sgi;
bool ldpc;
bool stbc;
bool bfer;
};
@ -331,14 +332,14 @@ struct iwl_lq_sta {
/* tx power reduce for this sta */
int tpc_reduce;
/* force STBC/BFER/SISO for testing */
enum rs_ss_force_opt ss_force;
/* persistent fields - initialized only once - keep last! */
struct lq_sta_pers {
#ifdef CONFIG_MAC80211_DEBUGFS
u32 dbg_fixed_rate;
u8 dbg_fixed_txp_reduction;
/* force STBC/BFER/SISO for testing */
enum rs_ss_force_opt ss_force;
#endif
u8 chains;
s8 chain_signal[IEEE80211_MAX_CHAINS];

150
drivers/net/wireless/iwlwifi/mvm/rx.c
View File

@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications 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
@ -32,7 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -345,6 +345,25 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_mvm_sta *mvmsta;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
ieee80211_is_beacon(hdr->frame_control)) {
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
bool trig_check;
s32 rssi;
trig = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_RSSI);
rssi_trig = (void *)trig->data;
rssi = le32_to_cpu(rssi_trig->rssi);
trig_check =
iwl_fw_dbg_trigger_check_stop(mvm, mvmsta->vif,
trig);
if (trig_check && rx_status->signal < rssi)
iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL, 0);
}
}
rcu_read_unlock();
@ -416,35 +435,43 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
}
static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm,
struct iwl_notif_statistics *stats)
struct mvm_statistics_rx *rx_stats)
{
/*
* NOTE FW aggregates the statistics - BUT the statistics are cleared
* when the driver issues REPLY_STATISTICS_CMD 0x9c with CLEAR_STATS
* bit set.
*/
lockdep_assert_held(&mvm->mutex);
memcpy(&mvm->rx_stats, &stats->rx, sizeof(struct mvm_statistics_rx));
mvm->rx_stats = *rx_stats;
}
struct iwl_mvm_stat_data {
struct iwl_notif_statistics *stats;
struct iwl_mvm *mvm;
__le32 mac_id;
__s8 beacon_filter_average_energy;
struct mvm_statistics_general_v8 *general;
};
static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_stat_data *data = _data;
struct iwl_notif_statistics *stats = data->stats;
struct iwl_mvm *mvm = data->mvm;
int sig = -stats->general.beacon_filter_average_energy;
int sig = -data->beacon_filter_average_energy;
int last_event;
int thold = vif->bss_conf.cqm_rssi_thold;
int hyst = vif->bss_conf.cqm_rssi_hyst;
u16 id = le32_to_cpu(stats->rx.general.mac_id);
u16 id = le32_to_cpu(data->mac_id);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
/* This doesn't need the MAC ID check since it's not taking the
* data copied into the "data" struct, but rather the data from
* the notification directly.
*/
if (data->general) {
mvmvif->beacon_stats.num_beacons =
le32_to_cpu(data->general->beacon_counter[mvmvif->id]);
mvmvif->beacon_stats.avg_signal =
-data->general->beacon_average_energy[mvmvif->id];
}
if (mvmvif->id != id)
return;
@ -500,34 +527,101 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
}
}
/*
* iwl_mvm_rx_statistics - STATISTICS_NOTIFICATION handler
*
* TODO: This handler is implemented partially.
*/
int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
static inline void
iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_notif_statistics *stats = (void *)&pkt->data;
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_stats *trig_stats;
u32 trig_offset, trig_thold;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_STATS))
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_STATS);
trig_stats = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
return;
trig_offset = le32_to_cpu(trig_stats->stop_offset);
trig_thold = le32_to_cpu(trig_stats->stop_threshold);
if (WARN_ON_ONCE(trig_offset >= iwl_rx_packet_payload_len(pkt)))
return;
if (le32_to_cpup((__le32 *) (pkt->data + trig_offset)) < trig_thold)
return;
iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL, 0);
}
void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
size_t v8_len = sizeof(struct iwl_notif_statistics_v8);
size_t v10_len = sizeof(struct iwl_notif_statistics_v10);
struct iwl_mvm_stat_data data = {
.stats = stats,
.mvm = mvm,
};
u32 temperature;
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_STATS_V10) {
struct iwl_notif_statistics_v10 *stats = (void *)&pkt->data;
if (iwl_rx_packet_payload_len(pkt) != v10_len)
goto invalid;
temperature = le32_to_cpu(stats->general.radio_temperature);
data.mac_id = stats->rx.general.mac_id;
data.beacon_filter_average_energy =
stats->general.beacon_filter_average_energy;
iwl_mvm_update_rx_statistics(mvm, &stats->rx);
mvm->radio_stats.rx_time = le64_to_cpu(stats->general.rx_time);
mvm->radio_stats.tx_time = le64_to_cpu(stats->general.tx_time);
mvm->radio_stats.on_time_rf =
le64_to_cpu(stats->general.on_time_rf);
mvm->radio_stats.on_time_scan =
le64_to_cpu(stats->general.on_time_scan);
data.general = &stats->general;
} else {
struct iwl_notif_statistics_v8 *stats = (void *)&pkt->data;
if (iwl_rx_packet_payload_len(pkt) != v8_len)
goto invalid;
temperature = le32_to_cpu(stats->general.radio_temperature);
data.mac_id = stats->rx.general.mac_id;
data.beacon_filter_average_energy =
stats->general.beacon_filter_average_energy;
iwl_mvm_update_rx_statistics(mvm, &stats->rx);
}
iwl_mvm_rx_stats_check_trigger(mvm, pkt);
/* Only handle rx statistics temperature changes if async temp
* notifications are not supported
*/
if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_ASYNC_DTM))
iwl_mvm_tt_temp_changed(mvm,
le32_to_cpu(stats->general.radio_temperature));
iwl_mvm_update_rx_statistics(mvm, stats);
iwl_mvm_tt_temp_changed(mvm, temperature);
ieee80211_iterate_active_interfaces(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_stat_iterator,
&data);
return;
invalid:
IWL_ERR(mvm, "received invalid statistics size (%d)!\n",
iwl_rx_packet_payload_len(pkt));
}
int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb));
return 0;
}

600
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -82,6 +82,7 @@ struct iwl_mvm_scan_params {
struct _dwell {
u16 passive;
u16 active;
u16 fragmented;
} dwell[IEEE80211_NUM_BANDS];
};
@ -191,101 +192,6 @@ static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm,
return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10;
}
static void iwl_mvm_scan_fill_channels(struct iwl_scan_cmd *cmd,
struct cfg80211_scan_request *req,
bool basic_ssid,
struct iwl_mvm_scan_params *params)
{
struct iwl_scan_channel *chan = (struct iwl_scan_channel *)
(cmd->data + le16_to_cpu(cmd->tx_cmd.len));
int i;
int type = BIT(req->n_ssids) - 1;
enum ieee80211_band band = req->channels[0]->band;
if (!basic_ssid)
type |= BIT(req->n_ssids);
for (i = 0; i < cmd->channel_count; i++) {
chan->channel = cpu_to_le16(req->channels[i]->hw_value);
chan->type = cpu_to_le32(type);
if (req->channels[i]->flags & IEEE80211_CHAN_NO_IR)
chan->type &= cpu_to_le32(~SCAN_CHANNEL_TYPE_ACTIVE);
chan->active_dwell = cpu_to_le16(params->dwell[band].active);
chan->passive_dwell = cpu_to_le16(params->dwell[band].passive);
chan->iteration_count = cpu_to_le16(1);
chan++;
}
}
/*
* Fill in probe request with the following parameters:
* TA is our vif HW address, which mac80211 ensures we have.
* Packet is broadcasted, so this is both SA and DA.
* The probe request IE is made out of two: first comes the most prioritized
* SSID if a directed scan is requested. Second comes whatever extra
* information was given to us as the scan request IE.
*/
static u16 iwl_mvm_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta,
int n_ssids, const u8 *ssid, int ssid_len,
const u8 *band_ie, int band_ie_len,
const u8 *common_ie, int common_ie_len,
int left)
{
int len = 0;
u8 *pos = NULL;
/* Make sure there is enough space for the probe request,
* two mandatory IEs and the data */
left -= 24;
if (left < 0)
return 0;
frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
eth_broadcast_addr(frame->da);
memcpy(frame->sa, ta, ETH_ALEN);
eth_broadcast_addr(frame->bssid);
frame->seq_ctrl = 0;
len += 24;
/* for passive scans, no need to fill anything */
if (n_ssids == 0)
return (u16)len;
/* points to the payload of the request */
pos = &frame->u.probe_req.variable[0];
/* fill in our SSID IE */
left -= ssid_len + 2;
if (left < 0)
return 0;
*pos++ = WLAN_EID_SSID;
*pos++ = ssid_len;
if (ssid && ssid_len) { /* ssid_len may be == 0 even if ssid is valid */
memcpy(pos, ssid, ssid_len);
pos += ssid_len;
}
len += ssid_len + 2;
if (WARN_ON(left < band_ie_len + common_ie_len))
return len;
if (band_ie && band_ie_len) {
memcpy(pos, band_ie, band_ie_len);
pos += band_ie_len;
len += band_ie_len;
}
if (common_ie && common_ie_len) {
memcpy(pos, common_ie, common_ie_len);
pos += common_ie_len;
len += common_ie_len;
}
return (u16)len;
}
static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
@ -325,7 +231,7 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
* If there is more than one active interface make
* passive scan more fragmented.
*/
frag_passive_dwell = (global_cnt < 2) ? 40 : 20;
frag_passive_dwell = 40;
params->max_out_time = frag_passive_dwell;
} else {
params->suspend_time = 120;
@ -358,10 +264,10 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
if (params->passive_fragmented)
params->dwell[band].passive = frag_passive_dwell;
else
params->dwell[band].passive =
iwl_mvm_get_passive_dwell(mvm, band);
params->dwell[band].fragmented = frag_passive_dwell;
params->dwell[band].passive = iwl_mvm_get_passive_dwell(mvm,
band);
params->dwell[band].active = iwl_mvm_get_active_dwell(mvm, band,
n_ssids);
}
@ -379,20 +285,11 @@ static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm,
{
int max_probe_len;
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE;
else
max_probe_len = mvm->fw->ucode_capa.max_probe_length;
max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE;
/* we create the 802.11 header and SSID element */
max_probe_len -= 24 + 2;
/* basic ssid is added only for hw_scan with and old api */
if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID) &&
!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) &&
!is_sched_scan)
max_probe_len -= 32;
/* DS parameter set element is added on 2.4GHZ band if required */
if (iwl_mvm_rrm_scan_needed(mvm))
max_probe_len -= 3;
@ -404,9 +301,6 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan)
{
int max_ie_len = iwl_mvm_max_scan_ie_fw_cmd_room(mvm, is_sched_scan);
if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN))
return max_ie_len;
/* TODO: [BUG] This function should return the maximum allowed size of
* scan IEs, however the LMAC scan api contains both 2GHZ and 5GHZ IEs
* in the same command. So the correct implementation of this function
@ -420,129 +314,6 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan)
return max_ie_len;
}
int iwl_mvm_scan_request(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
{
struct iwl_host_cmd hcmd = {
.id = SCAN_REQUEST_CMD,
.len = { 0, },
.data = { mvm->scan_cmd, },
.dataflags = { IWL_HCMD_DFL_NOCOPY, },
};
struct iwl_scan_cmd *cmd = mvm->scan_cmd;
int ret;
u32 status;
int ssid_len = 0;
u8 *ssid = NULL;
bool basic_ssid = !(mvm->fw->ucode_capa.flags &
IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID);
struct iwl_mvm_scan_params params = {};
lockdep_assert_held(&mvm->mutex);
/* we should have failed registration if scan_cmd was NULL */
if (WARN_ON(mvm->scan_cmd == NULL))
return -ENOMEM;
IWL_DEBUG_SCAN(mvm, "Handling mac80211 scan request\n");
mvm->scan_status = IWL_MVM_SCAN_OS;
memset(cmd, 0, ksize(cmd));
cmd->channel_count = (u8)req->n_channels;
cmd->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME);
cmd->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH);
cmd->rxchain_sel_flags = iwl_mvm_scan_rx_chain(mvm);
iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, req->flags, &params);
cmd->max_out_time = cpu_to_le32(params.max_out_time);
cmd->suspend_time = cpu_to_le32(params.suspend_time);
if (params.passive_fragmented)
cmd->scan_flags |= SCAN_FLAGS_FRAGMENTED_SCAN;
cmd->rxon_flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP |
MAC_FILTER_IN_BEACON);
if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
cmd->type = cpu_to_le32(SCAN_TYPE_DISCOVERY_FORCED);
else
cmd->type = cpu_to_le32(SCAN_TYPE_FORCED);
cmd->repeats = cpu_to_le32(1);
/*
* If the user asked for passive scan, don't change to active scan if
* you see any activity on the channel - remain passive.
*/
if (req->n_ssids > 0) {
cmd->passive2active = cpu_to_le16(1);
cmd->scan_flags |= SCAN_FLAGS_PASSIVE2ACTIVE;
if (basic_ssid) {
ssid = req->ssids[0].ssid;
ssid_len = req->ssids[0].ssid_len;
}
} else {
cmd->passive2active = 0;
cmd->scan_flags &= ~SCAN_FLAGS_PASSIVE2ACTIVE;
}
iwl_mvm_scan_fill_ssids(cmd->direct_scan, req->ssids, req->n_ssids,
basic_ssid ? 1 : 0);
cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL |
3 << TX_CMD_FLG_BT_PRIO_POS);
cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id;
cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
cmd->tx_cmd.rate_n_flags =
iwl_mvm_scan_rate_n_flags(mvm, req->channels[0]->band,
req->no_cck);
cmd->tx_cmd.len =
cpu_to_le16(iwl_mvm_fill_probe_req(
(struct ieee80211_mgmt *)cmd->data,
vif->addr,
req->n_ssids, ssid, ssid_len,
req->ie, req->ie_len, NULL, 0,
mvm->fw->ucode_capa.max_probe_length));
iwl_mvm_scan_fill_channels(cmd, req, basic_ssid, &params);
cmd->len = cpu_to_le16(sizeof(struct iwl_scan_cmd) +
le16_to_cpu(cmd->tx_cmd.len) +
(cmd->channel_count * sizeof(struct iwl_scan_channel)));
hcmd.len[0] = le16_to_cpu(cmd->len);
status = SCAN_RESPONSE_OK;
ret = iwl_mvm_send_cmd_status(mvm, &hcmd, &status);
if (!ret && status == SCAN_RESPONSE_OK) {
IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n");
} else {
/*
* If the scan failed, it usually means that the FW was unable
* to allocate the time events. Warn on it, but maybe we
* should try to send the command again with different params.
*/
IWL_ERR(mvm, "Scan failed! status 0x%x ret %d\n",
status, ret);
mvm->scan_status = IWL_MVM_SCAN_NONE;
ret = -EIO;
}
return ret;
}
int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_cmd_response *resp = (void *)pkt->data;
IWL_DEBUG_SCAN(mvm, "Scan response received. status 0x%x\n",
le32_to_cpu(resp->status));
return 0;
}
int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
@ -556,130 +327,25 @@ int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
return 0;
}
int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_scan_complete_notif *notif = (void *)pkt->data;
lockdep_assert_held(&mvm->mutex);
IWL_DEBUG_SCAN(mvm, "Scan complete: status=0x%x scanned channels=%d\n",
notif->status, notif->scanned_channels);
if (mvm->scan_status == IWL_MVM_SCAN_OS)
mvm->scan_status = IWL_MVM_SCAN_NONE;
ieee80211_scan_completed(mvm->hw, notif->status != SCAN_COMP_STATUS_OK);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
return 0;
}
int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) &&
!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
struct iwl_sched_scan_results *notif = (void *)pkt->data;
if (!(notif->client_bitmap & SCAN_CLIENT_SCHED_SCAN))
return 0;
}
IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n");
ieee80211_sched_scan_results(mvm->hw);
return 0;
}
static bool iwl_mvm_scan_abort_notif(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_mvm *mvm =
container_of(notif_wait, struct iwl_mvm, notif_wait);
struct iwl_scan_complete_notif *notif;
u32 *resp;
switch (pkt->hdr.cmd) {
case SCAN_ABORT_CMD:
resp = (void *)pkt->data;
if (*resp == CAN_ABORT_STATUS) {
IWL_DEBUG_SCAN(mvm,
"Scan can be aborted, wait until completion\n");
return false;
}
/*
* If scan cannot be aborted, it means that we had a
* SCAN_COMPLETE_NOTIFICATION in the pipe and it called
* ieee80211_scan_completed already.
*/
IWL_DEBUG_SCAN(mvm, "Scan cannot be aborted, exit now: %d\n",
*resp);
return true;
case SCAN_COMPLETE_NOTIFICATION:
notif = (void *)pkt->data;
IWL_DEBUG_SCAN(mvm, "Scan aborted: status 0x%x\n",
notif->status);
return true;
default:
WARN_ON(1);
return false;
};
}
static int iwl_mvm_cancel_regular_scan(struct iwl_mvm *mvm)
{
struct iwl_notification_wait wait_scan_abort;
static const u8 scan_abort_notif[] = { SCAN_ABORT_CMD,
SCAN_COMPLETE_NOTIFICATION };
int ret;
iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_abort,
scan_abort_notif,
ARRAY_SIZE(scan_abort_notif),
iwl_mvm_scan_abort_notif, NULL);
ret = iwl_mvm_send_cmd_pdu(mvm, SCAN_ABORT_CMD, 0, 0, NULL);
if (ret) {
IWL_ERR(mvm, "Couldn't send SCAN_ABORT_CMD: %d\n", ret);
/* mac80211's state will be cleaned in the nic_restart flow */
goto out_remove_notif;
}
return iwl_wait_notification(&mvm->notif_wait, &wait_scan_abort, HZ);
out_remove_notif:
iwl_remove_notification(&mvm->notif_wait, &wait_scan_abort);
return ret;
}
int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u8 status, ebs_status;
struct iwl_periodic_scan_complete *scan_notif;
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
struct iwl_periodic_scan_complete *scan_notif;
scan_notif = (void *)pkt->data;
scan_notif = (void *)pkt->data;
status = scan_notif->status;
ebs_status = scan_notif->ebs_status;
} else {
struct iwl_scan_offload_complete *scan_notif;
scan_notif = (void *)pkt->data;
status = scan_notif->status;
ebs_status = scan_notif->ebs_status;
}
/* scan status must be locked for proper checking */
lockdep_assert_held(&mvm->mutex);
@ -687,9 +353,9 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
"%s completed, status %s, EBS status %s\n",
mvm->scan_status == IWL_MVM_SCAN_SCHED ?
"Scheduled scan" : "Scan",
status == IWL_SCAN_OFFLOAD_COMPLETED ?
scan_notif->status == IWL_SCAN_OFFLOAD_COMPLETED ?
"completed" : "aborted",
ebs_status == IWL_SCAN_EBS_SUCCESS ?
scan_notif->ebs_status == IWL_SCAN_EBS_SUCCESS ?
"success" : "failed");
@ -700,64 +366,16 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
} else if (mvm->scan_status == IWL_MVM_SCAN_OS) {
mvm->scan_status = IWL_MVM_SCAN_NONE;
ieee80211_scan_completed(mvm->hw,
status == IWL_SCAN_OFFLOAD_ABORTED);
scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
}
if (ebs_status)
if (scan_notif->ebs_status)
mvm->last_ebs_successful = false;
return 0;
}
static void iwl_scan_offload_build_tx_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_scan_ies *ies,
enum ieee80211_band band,
struct iwl_tx_cmd *cmd,
u8 *data)
{
u16 cmd_len;
cmd->tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL);
cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
cmd->sta_id = mvm->aux_sta.sta_id;
cmd->rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, band, false);
cmd_len = iwl_mvm_fill_probe_req((struct ieee80211_mgmt *)data,
vif->addr,
1, NULL, 0,
ies->ies[band], ies->len[band],
ies->common_ies, ies->common_ie_len,
SCAN_OFFLOAD_PROBE_REQ_SIZE);
cmd->len = cpu_to_le16(cmd_len);
}
static void iwl_build_scan_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct iwl_scan_offload_cmd *scan,
struct iwl_mvm_scan_params *params)
{
scan->channel_count = req->n_channels;
scan->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME);
scan->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH);
scan->good_CRC_th = IWL_GOOD_CRC_TH_DEFAULT;
scan->rx_chain = iwl_mvm_scan_rx_chain(mvm);
scan->max_out_time = cpu_to_le32(params->max_out_time);
scan->suspend_time = cpu_to_le32(params->suspend_time);
scan->filter_flags |= cpu_to_le32(MAC_FILTER_ACCEPT_GRP |
MAC_FILTER_IN_BEACON);
scan->scan_type = cpu_to_le32(SCAN_TYPE_BACKGROUND);
scan->rep_count = cpu_to_le32(1);
if (params->passive_fragmented)
scan->scan_flags |= SCAN_FLAGS_FRAGMENTED_SCAN;
}
static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list)
{
int i;
@ -815,127 +433,6 @@ static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req,
}
}
static void iwl_build_channel_cfg(struct iwl_mvm *mvm,
struct cfg80211_sched_scan_request *req,
u8 *channels_buffer,
enum ieee80211_band band,
int *head,
u32 ssid_bitmap,
struct iwl_mvm_scan_params *params)
{
u32 n_channels = mvm->fw->ucode_capa.n_scan_channels;
__le32 *type = (__le32 *)channels_buffer;
__le16 *channel_number = (__le16 *)(type + n_channels);
__le16 *iter_count = channel_number + n_channels;
__le32 *iter_interval = (__le32 *)(iter_count + n_channels);
u8 *active_dwell = (u8 *)(iter_interval + n_channels);
u8 *passive_dwell = active_dwell + n_channels;
int i, index = 0;
for (i = 0; i < req->n_channels; i++) {
struct ieee80211_channel *chan = req->channels[i];
if (chan->band != band)
continue;
index = *head;
(*head)++;
channel_number[index] = cpu_to_le16(chan->hw_value);
active_dwell[index] = params->dwell[band].active;
passive_dwell[index] = params->dwell[band].passive;
iter_count[index] = cpu_to_le16(1);
iter_interval[index] = 0;
if (!(chan->flags & IEEE80211_CHAN_NO_IR))
type[index] |=
cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE);
type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL |
IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL);
if (chan->flags & IEEE80211_CHAN_NO_HT40)
type[index] |=
cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_NARROW);
/* scan for all SSIDs from req->ssids */
type[index] |= cpu_to_le32(ssid_bitmap);
}
}
int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies)
{
int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels;
int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels;
int head = 0;
u32 ssid_bitmap;
int cmd_len;
int ret;
u8 *probes;
bool basic_ssid = !(mvm->fw->ucode_capa.flags &
IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID);
struct iwl_scan_offload_cfg *scan_cfg;
struct iwl_host_cmd cmd = {
.id = SCAN_OFFLOAD_CONFIG_CMD,
};
struct iwl_mvm_scan_params params = {};
lockdep_assert_held(&mvm->mutex);
cmd_len = sizeof(struct iwl_scan_offload_cfg) +
mvm->fw->ucode_capa.n_scan_channels * IWL_SCAN_CHAN_SIZE +
2 * SCAN_OFFLOAD_PROBE_REQ_SIZE;
scan_cfg = kzalloc(cmd_len, GFP_KERNEL);
if (!scan_cfg)
return -ENOMEM;
probes = scan_cfg->data +
mvm->fw->ucode_capa.n_scan_channels * IWL_SCAN_CHAN_SIZE;
iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, &params);
iwl_build_scan_cmd(mvm, vif, req, &scan_cfg->scan_cmd, &params);
scan_cfg->scan_cmd.len = cpu_to_le16(cmd_len);
iwl_scan_offload_build_ssid(req, scan_cfg->scan_cmd.direct_scan,
&ssid_bitmap, basic_ssid);
/* build tx frames for supported bands */
if (band_2ghz) {
iwl_scan_offload_build_tx_cmd(mvm, vif, ies,
IEEE80211_BAND_2GHZ,
&scan_cfg->scan_cmd.tx_cmd[0],
probes);
iwl_build_channel_cfg(mvm, req, scan_cfg->data,
IEEE80211_BAND_2GHZ, &head,
ssid_bitmap, &params);
}
if (band_5ghz) {
iwl_scan_offload_build_tx_cmd(mvm, vif, ies,
IEEE80211_BAND_5GHZ,
&scan_cfg->scan_cmd.tx_cmd[1],
probes +
SCAN_OFFLOAD_PROBE_REQ_SIZE);
iwl_build_channel_cfg(mvm, req, scan_cfg->data,
IEEE80211_BAND_5GHZ, &head,
ssid_bitmap, &params);
}
cmd.data[0] = scan_cfg;
cmd.len[0] = cmd_len;
cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
IWL_DEBUG_SCAN(mvm, "Sending scheduled scan config\n");
ret = iwl_mvm_send_cmd(mvm, &cmd);
kfree(scan_cfg);
return ret;
}
int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
struct cfg80211_sched_scan_request *req)
{
@ -1018,33 +515,6 @@ static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm,
return true;
}
int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
struct cfg80211_sched_scan_request *req)
{
struct iwl_scan_offload_req scan_req = {
.watchdog = IWL_SCHED_SCAN_WATCHDOG,
.schedule_line[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS,
.schedule_line[0].delay = cpu_to_le16(req->interval / 1000),
.schedule_line[0].full_scan_mul = 1,
.schedule_line[1].iterations = 0xff,
.schedule_line[1].delay = cpu_to_le16(req->interval / 1000),
.schedule_line[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER,
};
if (iwl_mvm_scan_pass_all(mvm, req))
scan_req.flags |= cpu_to_le16(IWL_SCAN_OFFLOAD_FLAG_PASS_ALL);
if (mvm->last_ebs_successful &&
mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT)
scan_req.flags |=
cpu_to_le16(IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE);
return iwl_mvm_send_cmd_pdu(mvm, SCAN_OFFLOAD_REQUEST_CMD, 0,
sizeof(scan_req), &scan_req);
}
int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
@ -1057,21 +527,12 @@ int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
if (ret)
return ret;
ret = iwl_mvm_sched_scan_umac(mvm, vif, req, ies);
} else if ((mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
} else {
mvm->scan_status = IWL_MVM_SCAN_SCHED;
ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
if (ret)
return ret;
ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
} else {
mvm->scan_status = IWL_MVM_SCAN_SCHED;
ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
if (ret)
return ret;
ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
if (ret)
return ret;
ret = iwl_mvm_sched_scan_start(mvm, req);
}
return ret;
@ -1088,9 +549,7 @@ static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm)
/* Exit instantly with error when device is not ready
* to receive scan abort command or it does not perform
* scheduled scan currently */
if (mvm->scan_status != IWL_MVM_SCAN_SCHED &&
(!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) ||
mvm->scan_status != IWL_MVM_SCAN_OS))
if (mvm->scan_status == IWL_MVM_SCAN_NONE)
return -EIO;
ret = iwl_mvm_send_cmd_status(mvm, &cmd, &status);
@ -1131,13 +590,6 @@ int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify)
if (iwl_mvm_is_radio_killed(mvm))
goto out;
if (mvm->scan_status != IWL_MVM_SCAN_SCHED &&
(!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) ||
mvm->scan_status != IWL_MVM_SCAN_OS)) {
IWL_DEBUG_SCAN(mvm, "No scan to stop\n");
return 0;
}
iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done,
scan_done_notif,
ARRAY_SIZE(scan_done_notif),
@ -1317,7 +769,7 @@ iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm,
cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive;
if (params->passive_fragmented)
cmd->fragmented_dwell =
params->dwell[IEEE80211_BAND_2GHZ].passive;
params->dwell[IEEE80211_BAND_2GHZ].fragmented;
cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm);
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
@ -1580,9 +1032,7 @@ int iwl_mvm_cancel_scan(struct iwl_mvm *mvm)
return 0;
}
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
return iwl_mvm_scan_offload_stop(mvm, true);
return iwl_mvm_cancel_regular_scan(mvm);
return iwl_mvm_scan_offload_stop(mvm, true);
}
/* UMAC scan API */
@ -1765,7 +1215,7 @@ iwl_mvm_build_generic_umac_scan_cmd(struct iwl_mvm *mvm,
cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive;
if (params->passive_fragmented)
cmd->fragmented_dwell =
params->dwell[IEEE80211_BAND_2GHZ].passive;
params->dwell[IEEE80211_BAND_2GHZ].fragmented;
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
cmd->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
@ -2159,14 +1609,8 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm)
mvm->fw->ucode_capa.n_scan_channels +
sizeof(struct iwl_scan_req_umac_tail);
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
return sizeof(struct iwl_scan_req_unified_lmac) +
sizeof(struct iwl_scan_channel_cfg_lmac) *
mvm->fw->ucode_capa.n_scan_channels +
sizeof(struct iwl_scan_probe_req);
return sizeof(struct iwl_scan_cmd) +
mvm->fw->ucode_capa.max_probe_length +
mvm->fw->ucode_capa.n_scan_channels *
sizeof(struct iwl_scan_channel);
return sizeof(struct iwl_scan_req_unified_lmac) +
sizeof(struct iwl_scan_channel_cfg_lmac) *
mvm->fw->ucode_capa.n_scan_channels +
sizeof(struct iwl_scan_probe_req);
}

4
drivers/net/wireless/iwlwifi/mvm/tx.c
View File

@ -664,6 +664,8 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
info->status.rates[0].count = tx_resp->failure_frame + 1;
iwl_mvm_hwrate_to_tx_status(le32_to_cpu(tx_resp->initial_rate),
info);
info->status.status_driver_data[1] =
(void *)(uintptr_t)le32_to_cpu(tx_resp->initial_rate);
/* Single frame failure in an AMPDU queue => send BAR */
if (txq_id >= mvm->first_agg_queue &&
@ -909,6 +911,8 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info,
info->status.tx_time = tid_data->tx_time;
info->status.status_driver_data[0] =
(void *)(uintptr_t)tid_data->reduced_tpc;
info->status.status_driver_data[1] =
(void *)(uintptr_t)tid_data->rate_n_flags;
}
int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,

207
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@ -332,7 +332,7 @@ static const char *desc_lookup(u32 num)
* read with u32-sized accesses, any members with a different size
* need to be ordered correctly though!
*/
struct iwl_error_event_table {
struct iwl_error_event_table_v1 {
u32 valid; /* (nonzero) valid, (0) log is empty */
u32 error_id; /* type of error */
u32 pc; /* program counter */
@ -377,7 +377,55 @@ struct iwl_error_event_table {
u32 u_timestamp; /* indicate when the date and time of the
* compilation */
u32 flow_handler; /* FH read/write pointers, RX credit */
} __packed;
} __packed /* LOG_ERROR_TABLE_API_S_VER_1 */;
struct iwl_error_event_table {
u32 valid; /* (nonzero) valid, (0) log is empty */
u32 error_id; /* type of error */
u32 pc; /* program counter */
u32 blink1; /* branch link */
u32 blink2; /* branch link */
u32 ilink1; /* interrupt link */
u32 ilink2; /* interrupt link */
u32 data1; /* error-specific data */
u32 data2; /* error-specific data */
u32 data3; /* error-specific data */
u32 bcon_time; /* beacon timer */
u32 tsf_low; /* network timestamp function timer */
u32 tsf_hi; /* network timestamp function timer */
u32 gp1; /* GP1 timer register */
u32 gp2; /* GP2 timer register */
u32 gp3; /* GP3 timer register */
u32 major; /* uCode version major */
u32 minor; /* uCode version minor */
u32 hw_ver; /* HW Silicon version */
u32 brd_ver; /* HW board version */
u32 log_pc; /* log program counter */
u32 frame_ptr; /* frame pointer */
u32 stack_ptr; /* stack pointer */
u32 hcmd; /* last host command header */
u32 isr0; /* isr status register LMPM_NIC_ISR0:
* rxtx_flag */
u32 isr1; /* isr status register LMPM_NIC_ISR1:
* host_flag */
u32 isr2; /* isr status register LMPM_NIC_ISR2:
* enc_flag */
u32 isr3; /* isr status register LMPM_NIC_ISR3:
* time_flag */
u32 isr4; /* isr status register LMPM_NIC_ISR4:
* wico interrupt */
u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */
u32 wait_event; /* wait event() caller address */
u32 l2p_control; /* L2pControlField */
u32 l2p_duration; /* L2pDurationField */
u32 l2p_mhvalid; /* L2pMhValidBits */
u32 l2p_addr_match; /* L2pAddrMatchStat */
u32 lmpm_pmg_sel; /* indicate which clocks are turned on
* (LMPM_PMG_SEL) */
u32 u_timestamp; /* indicate when the date and time of the
* compilation */
u32 flow_handler; /* FH read/write pointers, RX credit */
} __packed /* LOG_ERROR_TABLE_API_S_VER_2 */;
/*
* UMAC error struct - relevant starting from family 8000 chip.
@ -396,11 +444,11 @@ struct iwl_umac_error_event_table {
u32 data1; /* error-specific data */
u32 data2; /* error-specific data */
u32 data3; /* error-specific data */
u32 umac_fw_ver; /* UMAC version */
u32 umac_fw_api_ver; /* UMAC FW API ver */
u32 umac_major;
u32 umac_minor;
u32 frame_pointer; /* core register 27*/
u32 stack_pointer; /* core register 28 */
u32 cmd_header; /* latest host cmd sent to UMAC */
u32 cmd_header; /* latest host cmd sent to UMAC */
u32 nic_isr_pref; /* ISR status register */
} __packed;
@ -441,18 +489,18 @@ static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm)
IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1);
IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2);
IWL_ERR(mvm, "0x%08X | umac data3\n", table.data3);
IWL_ERR(mvm, "0x%08X | umac version\n", table.umac_fw_ver);
IWL_ERR(mvm, "0x%08X | umac api version\n", table.umac_fw_api_ver);
IWL_ERR(mvm, "0x%08X | umac major\n", table.umac_major);
IWL_ERR(mvm, "0x%08X | umac minor\n", table.umac_minor);
IWL_ERR(mvm, "0x%08X | frame pointer\n", table.frame_pointer);
IWL_ERR(mvm, "0x%08X | stack pointer\n", table.stack_pointer);
IWL_ERR(mvm, "0x%08X | last host cmd\n", table.cmd_header);
IWL_ERR(mvm, "0x%08X | isr status reg\n", table.nic_isr_pref);
}
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
static void iwl_mvm_dump_nic_error_log_old(struct iwl_mvm *mvm)
{
struct iwl_trans *trans = mvm->trans;
struct iwl_error_event_table table;
struct iwl_error_event_table_v1 table;
u32 base;
base = mvm->error_event_table;
@ -489,7 +537,7 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
table.data1, table.data2, table.data3,
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.ucode_ver,
table.gp2, table.gp3, table.ucode_ver, 0,
table.hw_ver, table.brd_ver);
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
@ -530,6 +578,92 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
iwl_mvm_dump_umac_error_log(mvm);
}
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
{
struct iwl_trans *trans = mvm->trans;
struct iwl_error_event_table table;
u32 base;
if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_NEW_VERSION)) {
iwl_mvm_dump_nic_error_log_old(mvm);
return;
}
base = mvm->error_event_table;
if (mvm->cur_ucode == IWL_UCODE_INIT) {
if (!base)
base = mvm->fw->init_errlog_ptr;
} else {
if (!base)
base = mvm->fw->inst_errlog_ptr;
}
if (base < 0x800000) {
IWL_ERR(mvm,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(mvm->cur_ucode == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
mvm->status, table.valid);
}
/* Do not change this output - scripts rely on it */
IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.data3,
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.major,
table.minor, table.hw_ver, table.brd_ver);
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(mvm, "0x%08X | uPc\n", table.pc);
IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1);
IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2);
IWL_ERR(mvm, "0x%08X | data1\n", table.data1);
IWL_ERR(mvm, "0x%08X | data2\n", table.data2);
IWL_ERR(mvm, "0x%08X | data3\n", table.data3);
IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time);
IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low);
IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2);
IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3);
IWL_ERR(mvm, "0x%08X | uCode version major\n", table.major);
IWL_ERR(mvm, "0x%08X | uCode version minor\n", table.minor);
IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver);
IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver);
IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd);
IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0);
IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1);
IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2);
IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3);
IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4);
IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref);
IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event);
IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control);
IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration);
IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp);
IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler);
if (mvm->support_umac_log)
iwl_mvm_dump_umac_error_log(mvm);
}
void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
const struct iwl_trans_txq_scd_cfg *cfg,
unsigned int wdg_timeout)
@ -643,6 +777,40 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
ieee80211_request_smps(vif, smps_mode);
}
int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear)
{
struct iwl_statistics_cmd scmd = {
.flags = clear ? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR) : 0,
};
struct iwl_host_cmd cmd = {
.id = STATISTICS_CMD,
.len[0] = sizeof(scmd),
.data[0] = &scmd,
.flags = CMD_WANT_SKB,
};
int ret;
ret = iwl_mvm_send_cmd(mvm, &cmd);
if (ret)
return ret;
iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt);
iwl_free_resp(&cmd);
if (clear)
iwl_mvm_accu_radio_stats(mvm);
return 0;
}
void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm)
{
mvm->accu_radio_stats.rx_time += mvm->radio_stats.rx_time;
mvm->accu_radio_stats.tx_time += mvm->radio_stats.tx_time;
mvm->accu_radio_stats.on_time_rf += mvm->radio_stats.on_time_rf;
mvm->accu_radio_stats.on_time_scan += mvm->radio_stats.on_time_scan;
}
static void iwl_mvm_diversity_iter(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
@ -717,25 +885,6 @@ bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
return result;
}
static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
{
bool *idle = _data;
if (!vif->bss_conf.idle)
*idle = false;
}
bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
{
bool idle = true;
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_idle_iter, &idle);
return idle;
}
struct iwl_bss_iter_data {
struct ieee80211_vif *vif;
bool error;

6
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -898,6 +898,9 @@ static int iwl_pcie_load_given_ucode_8000b(struct iwl_trans *trans,
IWL_DEBUG_FW(trans, "working with %s CPU\n",
image->is_dual_cpus ? "Dual" : "Single");
if (trans->dbg_dest_tlv)
iwl_pcie_apply_destination(trans);
/* configure the ucode to be ready to get the secured image */
/* release CPU reset */
iwl_write_prph(trans, RELEASE_CPU_RESET, RELEASE_CPU_RESET_BIT);
@ -914,9 +917,6 @@ static int iwl_pcie_load_given_ucode_8000b(struct iwl_trans *trans,
if (ret)
return ret;
if (trans->dbg_dest_tlv)
iwl_pcie_apply_destination(trans);
/* wait for image verification to complete */
ret = iwl_poll_prph_bit(trans, LMPM_SECURE_BOOT_CPU1_STATUS_ADDR_B0,
LMPM_SECURE_BOOT_STATUS_SUCCESS,