diff options
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/cfg80211.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/cmdevt.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/debugfs.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/fw.h | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/init.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/main.c | 97 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/main.h | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/pcie.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sdio.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sta_event.c | 61 |
11 files changed, 192 insertions, 67 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 6e0d9a9c5cfb..ce4432c535f0 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -1116,6 +1116,12 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; + if (priv->scan_request) { + mwifiex_dbg(priv->adapter, ERROR, + "change virtual interface: scan in process\n"); + return -EBUSY; + } + switch (curr_iftype) { case NL80211_IFTYPE_ADHOC: switch (type) { @@ -1180,7 +1186,6 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, case NL80211_IFTYPE_AP: switch (type) { case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, type, params); break; diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index dcc529e9c0ef..874660052055 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -290,13 +290,16 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = get_unaligned_le16((u8 *)host_cmd + S_DS_GEN); + /* Setup the timer after transmit command, except that specific + * command might not have command response. + */ + if (cmd_code != HostCmd_CMD_FW_DUMP_EVENT) + mod_timer(&adapter->cmd_timer, + jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); + /* Clear BSS_NO_BITS from HostCmd */ cmd_code &= HostCmd_CMD_ID_MASK; - /* Setup the timer after transmit command */ - mod_timer(&adapter->cmd_timer, - jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); - return 0; } diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c index 6f4239be609d..db2872daae97 100644 --- a/drivers/net/wireless/marvell/mwifiex/debugfs.c +++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c @@ -168,10 +168,15 @@ mwifiex_device_dump_read(struct file *file, char __user *ubuf, { struct mwifiex_private *priv = file->private_data; - if (!priv->adapter->if_ops.device_dump) - return -EIO; - - priv->adapter->if_ops.device_dump(priv->adapter); + /* For command timeouts, USB firmware will automatically emit + * firmware dump events, so we don't implement device_dump(). + * For user-initiated dumps, we trigger it ourselves. + */ + if (priv->adapter->iface_type == MWIFIEX_USB) + mwifiex_send_cmd(priv, HostCmd_CMD_FW_DUMP_EVENT, + HostCmd_ACT_GEN_SET, 0, NULL, true); + else + priv->adapter->if_ops.device_dump(priv->adapter); return 0; } diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 13cd58e963b3..9c2cdef54074 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -56,6 +56,15 @@ struct mwifiex_fw_data { u8 data[1]; } __packed; +struct mwifiex_fw_dump_header { + __le16 seq_num; + __le16 reserved; + __le16 type; + __le16 len; +} __packed; + +#define FW_DUMP_INFO_ENDED 0x0002 + #define MWIFIEX_FW_DNLD_CMD_1 0x1 #define MWIFIEX_FW_DNLD_CMD_5 0x5 #define MWIFIEX_FW_DNLD_CMD_6 0x6 @@ -400,6 +409,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define HostCmd_CMD_TDLS_CONFIG 0x0100 #define HostCmd_CMD_MC_POLICY 0x0121 #define HostCmd_CMD_TDLS_OPER 0x0122 +#define HostCmd_CMD_FW_DUMP_EVENT 0x0125 #define HostCmd_CMD_SDIO_SP_RX_AGGR_CFG 0x0223 #define HostCmd_CMD_CHAN_REGION_CFG 0x0242 #define HostCmd_CMD_PACKET_AGGR_CTRL 0x0251 @@ -570,6 +580,7 @@ enum mwifiex_channel_flags { #define EVENT_BG_SCAN_STOPPED 0x00000065 #define EVENT_REMAIN_ON_CHAN_EXPIRED 0x0000005f #define EVENT_MULTI_CHAN_INFO 0x0000006a +#define EVENT_FW_DUMP_INFO 0x00000073 #define EVENT_TX_STATUS_REPORT 0x00000074 #define EVENT_BT_COEX_WLAN_PARA_CHANGE 0X00000076 diff --git a/drivers/net/wireless/marvell/mwifiex/init.c b/drivers/net/wireless/marvell/mwifiex/init.c index e1aa86042469..d239e9248c05 100644 --- a/drivers/net/wireless/marvell/mwifiex/init.c +++ b/drivers/net/wireless/marvell/mwifiex/init.c @@ -64,6 +64,13 @@ static void wakeup_timer_fn(struct timer_list *t) adapter->if_ops.card_reset(adapter); } +static void fw_dump_timer_fn(struct timer_list *t) +{ + struct mwifiex_adapter *adapter = from_timer(adapter, t, devdump_timer); + + mwifiex_upload_device_dump(adapter); +} + /* * This function initializes the private structure and sets default * values to the members. @@ -314,6 +321,8 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->iface_limit.p2p_intf = MWIFIEX_MAX_P2P_NUM; adapter->active_scan_triggered = false; timer_setup(&adapter->wakeup_timer, wakeup_timer_fn, 0); + adapter->devdump_len = 0; + timer_setup(&adapter->devdump_timer, fw_dump_timer_fn, 0); } /* @@ -396,6 +405,7 @@ static void mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) { del_timer(&adapter->wakeup_timer); + del_timer_sync(&adapter->devdump_timer); mwifiex_cancel_all_pending_cmd(adapter); wake_up_interruptible(&adapter->cmd_wait_q.wait); wake_up_interruptible(&adapter->hs_activate_wait_q); diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c index a96bd7e653bf..12e739950332 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.c +++ b/drivers/net/wireless/marvell/mwifiex/main.c @@ -1051,9 +1051,30 @@ void mwifiex_multi_chan_resync(struct mwifiex_adapter *adapter) } EXPORT_SYMBOL_GPL(mwifiex_multi_chan_resync); -int mwifiex_drv_info_dump(struct mwifiex_adapter *adapter, void **drv_info) +void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter) { - void *p; + /* Dump all the memory data into single file, a userspace script will + * be used to split all the memory data to multiple files + */ + mwifiex_dbg(adapter, MSG, + "== mwifiex dump information to /sys/class/devcoredump start\n"); + dev_coredumpv(adapter->dev, adapter->devdump_data, adapter->devdump_len, + GFP_KERNEL); + mwifiex_dbg(adapter, MSG, + "== mwifiex dump information to /sys/class/devcoredump end\n"); + + /* Device dump data will be freed in device coredump release function + * after 5 min. Here reset adapter->devdump_data and ->devdump_len + * to avoid it been accidentally reused. + */ + adapter->devdump_data = NULL; + adapter->devdump_len = 0; +} +EXPORT_SYMBOL_GPL(mwifiex_upload_device_dump); + +void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter) +{ + char *p; char drv_version[64]; struct usb_card_rec *cardp; struct sdio_mmc_card *sdio_card; @@ -1061,17 +1082,12 @@ int mwifiex_drv_info_dump(struct mwifiex_adapter *adapter, void **drv_info) int i, idx; struct netdev_queue *txq; struct mwifiex_debug_info *debug_info; - void *drv_info_dump; mwifiex_dbg(adapter, MSG, "===mwifiex driverinfo dump start===\n"); - /* memory allocate here should be free in mwifiex_upload_device_dump*/ - drv_info_dump = vzalloc(MWIFIEX_DRV_INFO_SIZE_MAX); - - if (!drv_info_dump) - return 0; - - p = (char *)(drv_info_dump); + p = adapter->devdump_data; + strcpy(p, "========Start dump driverinfo========\n"); + p += strlen("========Start dump driverinfo========\n"); p += sprintf(p, "driver_name = " "\"mwifiex\"\n"); mwifiex_drv_get_driver_version(adapter, drv_version, @@ -1155,21 +1171,18 @@ int mwifiex_drv_info_dump(struct mwifiex_adapter *adapter, void **drv_info) kfree(debug_info); } + strcpy(p, "\n========End dump========\n"); + p += strlen("\n========End dump========\n"); mwifiex_dbg(adapter, MSG, "===mwifiex driverinfo dump end===\n"); - *drv_info = drv_info_dump; - return p - drv_info_dump; + adapter->devdump_len = p - (char *)adapter->devdump_data; } EXPORT_SYMBOL_GPL(mwifiex_drv_info_dump); -void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter, void *drv_info, - int drv_info_size) +void mwifiex_prepare_fw_dump_info(struct mwifiex_adapter *adapter) { - u8 idx, *dump_data, *fw_dump_ptr; - u32 dump_len; - - dump_len = (strlen("========Start dump driverinfo========\n") + - drv_info_size + - strlen("\n========End dump========\n")); + u8 idx; + char *fw_dump_ptr; + u32 dump_len = 0; for (idx = 0; idx < adapter->num_mem_types; idx++) { struct memory_type_mapping *entry = @@ -1184,24 +1197,24 @@ void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter, void *drv_info, } } - dump_data = vzalloc(dump_len + 1); - if (!dump_data) - goto done; - - fw_dump_ptr = dump_data; + if (dump_len + 1 + adapter->devdump_len > MWIFIEX_FW_DUMP_SIZE) { + /* Realloc in case buffer overflow */ + fw_dump_ptr = vzalloc(dump_len + 1 + adapter->devdump_len); + mwifiex_dbg(adapter, MSG, "Realloc device dump data.\n"); + if (!fw_dump_ptr) { + vfree(adapter->devdump_data); + mwifiex_dbg(adapter, ERROR, + "vzalloc devdump data failure!\n"); + return; + } - /* Dump all the memory data into single file, a userspace script will - * be used to split all the memory data to multiple files - */ - mwifiex_dbg(adapter, MSG, - "== mwifiex dump information to /sys/class/devcoredump start"); + memmove(fw_dump_ptr, adapter->devdump_data, + adapter->devdump_len); + vfree(adapter->devdump_data); + adapter->devdump_data = fw_dump_ptr; + } - strcpy(fw_dump_ptr, "========Start dump driverinfo========\n"); - fw_dump_ptr += strlen("========Start dump driverinfo========\n"); - memcpy(fw_dump_ptr, drv_info, drv_info_size); - fw_dump_ptr += drv_info_size; - strcpy(fw_dump_ptr, "\n========End dump========\n"); - fw_dump_ptr += strlen("\n========End dump========\n"); + fw_dump_ptr = (char *)adapter->devdump_data + adapter->devdump_len; for (idx = 0; idx < adapter->num_mem_types; idx++) { struct memory_type_mapping *entry = @@ -1225,14 +1238,8 @@ void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter, void *drv_info, } } - /* device dump data will be free in device coredump release function - * after 5 min - */ - dev_coredumpv(adapter->dev, dump_data, dump_len, GFP_KERNEL); - mwifiex_dbg(adapter, MSG, - "== mwifiex dump information to /sys/class/devcoredump end"); + adapter->devdump_len = fw_dump_ptr - (char *)adapter->devdump_data; -done: for (idx = 0; idx < adapter->num_mem_types; idx++) { struct memory_type_mapping *entry = &adapter->mem_type_mapping_tbl[idx]; @@ -1241,10 +1248,8 @@ done: entry->mem_ptr = NULL; entry->mem_size = 0; } - - vfree(drv_info); } -EXPORT_SYMBOL_GPL(mwifiex_upload_device_dump); +EXPORT_SYMBOL_GPL(mwifiex_prepare_fw_dump_info); /* * CFG802.11 network device handler for statistics retrieval. diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index 154c0796c0c5..6b5539b1f4d8 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -94,6 +94,8 @@ enum { #define MAX_EVENT_SIZE 2048 +#define MWIFIEX_FW_DUMP_SIZE (2 * 1024 * 1024) + #define ARP_FILTER_MAX_BUF_SIZE 68 #define MWIFIEX_KEY_BUFFER_SIZE 16 @@ -1032,6 +1034,10 @@ struct mwifiex_adapter { bool wake_by_wifi; /* Aggregation parameters*/ struct bus_aggr_params bus_aggr; + /* Device dump data/length */ + void *devdump_data; + int devdump_len; + struct timer_list devdump_timer; }; void mwifiex_process_tx_queue(struct mwifiex_adapter *adapter); @@ -1656,9 +1662,9 @@ void mwifiex_hist_data_add(struct mwifiex_private *priv, u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv, u8 rx_rate, u8 ht_info); -int mwifiex_drv_info_dump(struct mwifiex_adapter *adapter, void **drv_info); -void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter, void *drv_info, - int drv_info_size); +void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter); +void mwifiex_prepare_fw_dump_info(struct mwifiex_adapter *adapter); +void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter); void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags); void mwifiex_queue_main_work(struct mwifiex_adapter *adapter); int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action, @@ -1677,6 +1683,7 @@ void mwifiex_process_multi_chan_event(struct mwifiex_private *priv, void mwifiex_multi_chan_resync(struct mwifiex_adapter *adapter); int mwifiex_set_mac_address(struct mwifiex_private *priv, struct net_device *dev); +void mwifiex_devdump_tmo_func(unsigned long function_context); #ifdef CONFIG_DEBUG_FS void mwifiex_debugfs_init(void); diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index cd314946452c..97a6199692ab 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -2769,19 +2769,27 @@ static void mwifiex_pcie_fw_dump(struct mwifiex_adapter *adapter) static void mwifiex_pcie_device_dump_work(struct mwifiex_adapter *adapter) { - int drv_info_size; - void *drv_info; + adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE); + if (!adapter->devdump_data) { + mwifiex_dbg(adapter, ERROR, + "vzalloc devdump data failure!\n"); + return; + } - drv_info_size = mwifiex_drv_info_dump(adapter, &drv_info); + mwifiex_drv_info_dump(adapter); mwifiex_pcie_fw_dump(adapter); - mwifiex_upload_device_dump(adapter, drv_info, drv_info_size); + mwifiex_prepare_fw_dump_info(adapter); + mwifiex_upload_device_dump(adapter); } static void mwifiex_pcie_card_reset_work(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; - pci_reset_function(card->dev); + /* We can't afford to wait here; remove() might be waiting on us. If we + * can't grab the device lock, maybe we'll get another chance later. + */ + pci_try_reset_function(card->dev); } static void mwifiex_pcie_work(struct work_struct *work) diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index fd5183c10c4e..a82880132af4 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -2505,15 +2505,21 @@ done: static void mwifiex_sdio_device_dump_work(struct mwifiex_adapter *adapter) { struct sdio_mmc_card *card = adapter->card; - int drv_info_size; - void *drv_info; - drv_info_size = mwifiex_drv_info_dump(adapter, &drv_info); + adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE); + if (!adapter->devdump_data) { + mwifiex_dbg(adapter, ERROR, + "vzalloc devdump data failure!\n"); + return; + } + + mwifiex_drv_info_dump(adapter); if (card->fw_dump_enh) mwifiex_sdio_generic_fw_dump(adapter); else mwifiex_sdio_fw_dump(adapter); - mwifiex_upload_device_dump(adapter, drv_info, drv_info_size); + mwifiex_prepare_fw_dump_info(adapter); + mwifiex_upload_device_dump(adapter); } static void mwifiex_sdio_work(struct work_struct *work) diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c index fb090144a6d8..211e47d8b318 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c @@ -2206,6 +2206,10 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no, case HostCmd_CMD_CHAN_REGION_CFG: ret = mwifiex_cmd_chan_region_cfg(priv, cmd_ptr, cmd_action); break; + case HostCmd_CMD_FW_DUMP_EVENT: + cmd_ptr->command = cpu_to_le16(cmd_no); + cmd_ptr->size = cpu_to_le16(S_DS_GEN); + break; default: mwifiex_dbg(priv->adapter, ERROR, "PREP_CMD: unknown cmd- %#x\n", cmd_no); diff --git a/drivers/net/wireless/marvell/mwifiex/sta_event.c b/drivers/net/wireless/marvell/mwifiex/sta_event.c index d8db412b76c6..93dfb76cd8a6 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_event.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_event.c @@ -584,6 +584,62 @@ void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv, adapter->coex_rx_win_size); } +static void +mwifiex_fw_dump_info_event(struct mwifiex_private *priv, + struct sk_buff *event_skb) +{ + struct mwifiex_adapter *adapter = priv->adapter; + struct mwifiex_fw_dump_header *fw_dump_hdr = + (void *)adapter->event_body; + + if (adapter->iface_type != MWIFIEX_USB) { + mwifiex_dbg(adapter, MSG, + "event is not on usb interface, ignore it\n"); + return; + } + + if (!adapter->devdump_data) { + /* When receive the first event, allocate device dump + * buffer, dump driver info. + */ + adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE); + if (!adapter->devdump_data) { + mwifiex_dbg(adapter, ERROR, + "vzalloc devdump data failure!\n"); + return; + } + + mwifiex_drv_info_dump(adapter); + + /* If no proceeded event arrive in 10s, upload device + * dump data, this will be useful if the end of + * transmission event get lost, in this cornel case, + * user would still get partial of the dump. + */ + mod_timer(&adapter->devdump_timer, + jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); + } + + /* Overflow check */ + if (adapter->devdump_len + event_skb->len >= MWIFIEX_FW_DUMP_SIZE) + goto upload_dump; + + memmove(adapter->devdump_data + adapter->devdump_len, + adapter->event_skb->data, event_skb->len); + adapter->devdump_len += event_skb->len; + + if (le16_to_cpu(fw_dump_hdr->type == FW_DUMP_INFO_ENDED)) { + mwifiex_dbg(adapter, MSG, + "receive end of transmission flag event!\n"); + goto upload_dump; + } + return; + +upload_dump: + del_timer_sync(&adapter->devdump_timer); + mwifiex_upload_device_dump(adapter); +} + /* * This function handles events generated by firmware. * @@ -636,6 +692,7 @@ void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv, * - EVENT_DELBA * - EVENT_BA_STREAM_TIEMOUT * - EVENT_AMSDU_AGGR_CTRL + * - EVENT_FW_DUMP_INFO */ int mwifiex_process_sta_event(struct mwifiex_private *priv) { @@ -1007,6 +1064,10 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) adapter->event_skb->len - sizeof(eventcause)); break; + case EVENT_FW_DUMP_INFO: + mwifiex_dbg(adapter, EVENT, "event: firmware debug info\n"); + mwifiex_fw_dump_info_event(priv, adapter->event_skb); + break; /* Debugging event; not used, but let's not print an ERROR for it. */ case EVENT_UNKNOWN_DEBUG: mwifiex_dbg(adapter, EVENT, "event: debug\n"); |