diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-drv.c | 46 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fw-file.h | 88 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fw.h | 53 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw.c | 37 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mvm.h | 59 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/ops.c | 7 |
10 files changed, 243 insertions, 80 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index b608114b6b9e..141331d41abf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -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]; }; /* @@ -914,6 +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, @@ -1198,6 +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 */ /* diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h index 919a2548a92c..fabddd8ecd89 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h @@ -230,4 +230,22 @@ 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 + */ +enum iwl_fw_dbg_trigger { + FW_DBG_TRIGGER_INVALID = 0, + FW_DBG_TRIGGER_USER, + FW_DBG_TRIGGER_FW_ASSERT, + + /* must be last */ + FW_DBG_TRIGGER_MAX, +}; + #endif /* __fw_error_dump_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h index 59706821830f..d2c4d2121a79 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h @@ -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 { @@ -136,6 +137,7 @@ enum iwl_ucode_tlv_type { 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 { @@ -458,44 +460,78 @@ 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_trigger_mode { + IWL_FW_DBG_TRIGGER_START = BIT(0), + IWL_FW_DBG_TRIGGER_STOP = BIT(1), +}; /** - * 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_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_conf { - FW_DBG_CUSTOM = 0, - - /* must be last */ - FW_DBG_MAX, - FW_DBG_INVALID = 0xff, +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_conf_tlv - a TLV that describes a debug configuration - * - * @id: %enum iwl_fw_dbg_conf + * 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_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; @@ -503,8 +539,6 @@ 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__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index ffd785cc67d6..cf75bafae51d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -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; }; @@ -206,46 +210,29 @@ 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) +static inline bool +iwl_fw_dbg_conf_usniffer(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; + return conf_tlv->usniffer; } -static inline bool -iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id) -{ - const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id]; +#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \ + void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \ + unlikely(__dbg_trigger); \ +}) - if (!conf_tlv) - return false; +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 conf_tlv->usniffer; + return fw->dbg_trigger_tlv[id]; } #endif /* __iwl_fw_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index a96bd8db6ceb..542a6810c81c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -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; diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 82c09d86af8c..f890d5e4673f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -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, 0); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 7426bb0811be..8d684d5da964 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -217,8 +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); @@ -480,8 +479,14 @@ exit: iwl_free_resp(&cmd); } -void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm) +int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, + unsigned int delay) { + if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) + return -EBUSY; + + IWL_WARN(mvm, "Collecting data: trigger %d fired.\n", trig); + /* stop recording */ if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); @@ -491,10 +496,30 @@ void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm) udelay(100); } - schedule_work(&mvm->fw_error_dump_wk); + queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); + + return 0; +} + +int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, + struct iwl_fw_dbg_trigger_tlv *trigger) +{ + 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), delay); + if (ret) + return ret; + + trigger->occurrences = cpu_to_le16(occurrences - 1); + return 0; } -int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id) +int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) { u8 *ptr; int ret; @@ -613,7 +638,7 @@ 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); + 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) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index ce5a5ff06d0f..a5261a4e7e11 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1038,6 +1038,8 @@ 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); } static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) @@ -1088,6 +1090,7 @@ 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); @@ -1257,7 +1260,7 @@ 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); mutex_lock(&mvm->mutex); __iwl_mvm_mac_stop(mvm); diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 885d09692fb6..4068139efb54 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -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" @@ -703,8 +704,8 @@ 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; #ifdef CONFIG_IWLWIFI_LEDS struct led_classdev led; @@ -840,6 +841,7 @@ 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) @@ -1411,7 +1413,56 @@ 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, + unsigned int delay); +int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, + struct iwl_fw_dbg_trigger_tlv *trigger); + +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) +{ + 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); +} #endif /* __IWL_MVM_H__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 1f64d23e7590..96a4a154a42c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -455,7 +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); @@ -503,6 +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); @@ -826,7 +827,7 @@ 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; @@ -878,7 +879,7 @@ 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(mvm, FW_DBG_TRIGGER_FW_ASSERT, 0); } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; |