From 15e23124cea7315a5bef1c60f8368af035cd06c5 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Tue, 8 Apr 2014 11:36:16 +0300 Subject: wil6210: fix printouts for better readability Reshuffle prints to consolidate firmware/hardware information report upon card init Convert print for unhandled MISC ISR bits to "debug" - it is normal situation and not an "error" Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/wmi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath/wil6210/wmi.c') diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 2ba56eef0c45..b7764f35ab61 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -192,7 +192,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) might_sleep(); if (!test_bit(wil_status_fwready, &wil->status)) { - wil_err(wil, "FW not ready\n"); + wil_err(wil, "WMI: cannot send command while FW not ready\n"); return -EAGAIN; } @@ -276,8 +276,8 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len) wil->fw_version = le32_to_cpu(evt->sw_version); wil->n_mids = evt->numof_additional_mids; - wil_dbg_wmi(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version, - evt->mac, wil->n_mids); + wil_info(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version, + evt->mac, wil->n_mids); if (!is_valid_ether_addr(ndev->dev_addr)) { memcpy(ndev->dev_addr, evt->mac, ETH_ALEN); @@ -290,7 +290,7 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len) static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d, int len) { - wil_dbg_wmi(wil, "WMI: FW ready\n"); + wil_dbg_wmi(wil, "WMI: got FW ready event\n"); set_bit(wil_status_fwready, &wil->status); /* reuse wmi_ready for the firmware ready indication */ -- cgit v1.2.3 From 6c2faf09394ceaef4efed1e44721830579f16115 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Tue, 8 Apr 2014 11:36:17 +0300 Subject: wil6210: sync with the latest FW API - add pcp_max_assoc_sta to the struct wmi_pcp_start_cmd - enum for the scan ststus Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/wmi.c | 3 +- drivers/net/wireless/ath/wil6210/wmi.h | 50 +++++++++++++++++++++------------- 2 files changed, 33 insertions(+), 20 deletions(-) (limited to 'drivers/net/wireless/ath/wil6210/wmi.c') diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index b7764f35ab61..e9a11cb3428a 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -348,7 +348,7 @@ static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id, { if (wil->scan_request) { struct wmi_scan_complete_event *data = d; - bool aborted = (data->status != 0); + bool aborted = (data->status != WMI_SCAN_SUCCESS); wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status); cfg80211_scan_done(wil->scan_request, aborted); @@ -802,6 +802,7 @@ int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan) .network_type = wmi_nettype, .disable_sec_offload = 1, .channel = chan - 1, + .pcp_max_assoc_sta = WIL6210_MAX_CID, }; struct { struct wil6210_mbox_hdr_wmi wmi; diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 50b8528394f4..17334c852866 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -28,7 +28,7 @@ #define __WILOCITY_WMI_H__ /* General */ - +#define WILOCITY_MAX_ASSOC_STA (8) #define WMI_MAC_LEN (6) #define WMI_PROX_RANGE_NUM (3) @@ -219,15 +219,6 @@ struct wmi_disconnect_sta_cmd { __le16 disconnect_reason; } __packed; -/* - * WMI_RECONNECT_CMDID - */ -struct wmi_reconnect_cmd { - u8 channel; /* hint */ - u8 reserved; - u8 bssid[WMI_MAC_LEN]; /* mandatory if set */ -} __packed; - /* * WMI_SET_PMK_CMDID @@ -296,11 +287,13 @@ enum wmi_scan_type { WMI_LONG_SCAN = 0, WMI_SHORT_SCAN = 1, WMI_PBC_SCAN = 2, + WMI_ACTIVE_SCAN = 3, + WMI_DIRECT_SCAN = 4, }; struct wmi_start_scan_cmd { - u8 reserved[8]; - + u8 direct_scan_mac_addr[6]; + u8 reserved[2]; __le32 home_dwell_time; /* Max duration in the home channel(ms) */ __le32 force_scan_interval; /* Time interval between scans (ms)*/ u8 scan_type; /* wmi_scan_type */ @@ -332,6 +325,7 @@ struct wmi_probed_ssid_cmd { u8 ssid[WMI_MAX_SSID_LEN]; } __packed; + /* * WMI_SET_APPIE_CMDID * Add Application specified IE to a management frame @@ -427,7 +421,7 @@ struct wmi_bcon_ctrl_cmd { __le16 frag_num; __le64 ss_mask; u8 network_type; - u8 reserved; + u8 pcp_max_assoc_sta; u8 disable_sec_offload; u8 disable_sec; } __packed; @@ -450,7 +444,7 @@ enum wmi_port_role { struct wmi_port_allocate_cmd { u8 mac[WMI_MAC_LEN]; u8 port_role; - u8 midid; + u8 mid; } __packed; /* @@ -467,6 +461,7 @@ struct wmi_delete_port_cmd { enum wmi_discovery_mode { WMI_DISCOVERY_MODE_NON_OFFLOAD = 0, WMI_DISCOVERY_MODE_OFFLOAD = 1, + WMI_DISCOVERY_MODE_PEER2PEER = 2, }; struct wmi_p2p_cfg_cmd { @@ -493,7 +488,8 @@ struct wmi_power_mgmt_cfg_cmd { */ struct wmi_pcp_start_cmd { __le16 bcon_interval; - u8 reserved0[10]; + u8 pcp_max_assoc_sta; + u8 reserved0[9]; u8 network_type; u8 channel; u8 disable_sec_offload; @@ -857,6 +853,7 @@ enum wmi_event_id { WMI_RF_MGMT_STATUS_EVENTID = 0x1853, WMI_BF_SM_MGMT_DONE_EVENTID = 0x1838, WMI_RX_MGMT_PACKET_EVENTID = 0x1840, + WMI_TX_MGMT_PACKET_EVENTID = 0x1841, /* Performance monitoring events */ WMI_DATA_PORT_OPEN_EVENTID = 0x1860, @@ -1040,16 +1037,23 @@ enum wmi_disconnect_reason { struct wmi_disconnect_event { __le16 protocol_reason_status; /* reason code, see 802.11 spec. */ u8 bssid[WMI_MAC_LEN]; /* set if known */ - u8 disconnect_reason; /* see wmi_disconnect_reason_e */ - u8 assoc_resp_len; - u8 assoc_info[0]; + u8 disconnect_reason; /* see wmi_disconnect_reason */ + u8 assoc_resp_len; /* not in use */ + u8 assoc_info[0]; /* not in use */ } __packed; /* * WMI_SCAN_COMPLETE_EVENTID */ +enum scan_status { + WMI_SCAN_SUCCESS = 0, + WMI_SCAN_FAILED = 1, + WMI_SCAN_ABORTED = 2, + WMI_SCAN_REJECTED = 3, +}; + struct wmi_scan_complete_event { - __le32 status; + __le32 status; /* scan_status */ } __packed; /* @@ -1256,6 +1260,14 @@ struct wmi_rx_mgmt_info { u8 channel; /* From Radio MNGR */ } __packed; + +/* + * WMI_TX_MGMT_PACKET_EVENTID + */ +struct wmi_tx_mgmt_packet_event { + u8 payload[0]; +} __packed; + struct wmi_rx_mgmt_packet_event { struct wmi_rx_mgmt_info info; u8 payload[0]; -- cgit v1.2.3 From 047e5d74b6e97ef883f4c8e912bd89451957de2b Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Tue, 27 May 2014 14:45:48 +0300 Subject: wil6210: detect scan timeouts If scan has not finished in some reasonable time (10sec), interpret it as if firmware error occurs but was not reported. Firmware should report scan completion for every scan request, so it is error condition indeed. Perform firmware recovery procedure. Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/cfg80211.c | 1 + drivers/net/wireless/ath/wil6210/main.c | 13 +++++++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++ drivers/net/wireless/ath/wil6210/wmi.c | 1 + 4 files changed, 17 insertions(+) (limited to 'drivers/net/wireless/ath/wil6210/wmi.c') diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 6e699d050d1e..820d4ebd9322 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -288,6 +288,7 @@ static int wil_cfg80211_scan(struct wiphy *wiphy, } wil->scan_request = request; + mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); memset(&cmd, 0, sizeof(cmd)); cmd.cmd.num_channels = 0; diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index f24cb92cc185..11e6d9d22eae 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -150,6 +150,15 @@ static void wil_connect_timer_fn(ulong x) schedule_work(&wil->disconnect_worker); } +static void wil_scan_timer_fn(ulong x) +{ + struct wil6210_priv *wil = (void *)x; + + clear_bit(wil_status_fwready, &wil->status); + wil_err(wil, "Scan timeout detected, start fw error recovery\n"); + schedule_work(&wil->fw_error_worker); +} + static void wil_fw_error_worker(struct work_struct *work) { struct wil6210_priv *wil = container_of(work, @@ -248,6 +257,7 @@ int wil_priv_init(struct wil6210_priv *wil) wil->pending_connect_cid = -1; setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil); + setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil); INIT_WORK(&wil->connect_worker, wil_connect_worker); INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker); @@ -280,6 +290,7 @@ void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid) void wil_priv_deinit(struct wil6210_priv *wil) { + del_timer_sync(&wil->scan_timer); cancel_work_sync(&wil->disconnect_worker); cancel_work_sync(&wil->fw_error_worker); mutex_lock(&wil->mutex); @@ -411,6 +422,7 @@ int wil_reset(struct wil6210_priv *wil) if (wil->scan_request) { wil_dbg_misc(wil, "Abort scan_request 0x%p\n", wil->scan_request); + del_timer_sync(&wil->scan_timer); cfg80211_scan_done(wil->scan_request, true); wil->scan_request = NULL; } @@ -540,6 +552,7 @@ static int __wil_down(struct wil6210_priv *wil) napi_disable(&wil->napi_tx); if (wil->scan_request) { + del_timer_sync(&wil->scan_timer); cfg80211_scan_done(wil->scan_request, true); wil->scan_request = NULL; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f8c598ebd9ee..e25edc52398f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -42,6 +42,7 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) #define WIL6210_ITR_TRSH (10000) /* arbitrary - about 15 IRQs/msec */ #define WIL6210_FW_RECOVERY_RETRIES (5) /* try to recover this many times */ #define WIL6210_FW_RECOVERY_TO msecs_to_jiffies(5000) +#define WIL6210_SCAN_TO msecs_to_jiffies(10000) /* Hardware definitions begin */ @@ -386,6 +387,7 @@ struct wil6210_priv { struct work_struct disconnect_worker; struct work_struct fw_error_worker; /* for FW error recovery */ struct timer_list connect_timer; + struct timer_list scan_timer; /* detect scan timeout */ int pending_connect_cid; struct list_head pending_wmi_ev; /* diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index e9a11cb3428a..037993544764 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -351,6 +351,7 @@ static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id, bool aborted = (data->status != WMI_SCAN_SUCCESS); wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status); + del_timer_sync(&wil->scan_timer); cfg80211_scan_done(wil->scan_request, aborted); wil->scan_request = NULL; } else { -- cgit v1.2.3 From a715c7ddd65a1a3b2839b8ebd759bb2d361f7675 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Thu, 29 May 2014 18:37:52 +0300 Subject: wil6210: improve debug for WMI receive Print message if no events received. This should not happen. If it is, it points to the problem in firmware. Track also cases when multiple events processed in one IRQ Print information as soon as possible - mbox pointers and event header right after reading it. This helps to identify potential problem with memory allocation for the event buffer. Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/wmi.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/ath/wil6210/wmi.c') diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 037993544764..6cc0e182cc70 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -659,21 +659,27 @@ void wmi_recv_cmd(struct wil6210_priv *wil) u8 *cmd; void __iomem *src; ulong flags; + unsigned n; if (!test_bit(wil_status_reset_done, &wil->status)) { wil_err(wil, "Reset not completed\n"); return; } - for (;;) { + for (n = 0;; n++) { u16 len; r->head = ioread32(wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, rx.head)); - if (r->tail == r->head) + if (r->tail == r->head) { + if (n == 0) + wil_dbg_wmi(wil, "No events?\n"); return; + } - /* read cmd from tail */ + wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n", + r->head, r->tail); + /* read cmd descriptor from tail */ wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail), sizeof(struct wil6210_mbox_ring_desc)); if (d_tail.sync == 0) { @@ -681,13 +687,18 @@ void wmi_recv_cmd(struct wil6210_priv *wil) return; } + /* read cmd header from descriptor */ if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) { wil_err(wil, "Mbox evt at 0x%08x?\n", le32_to_cpu(d_tail.addr)); return; } - len = le16_to_cpu(hdr.len); + wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n", + le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type), + hdr.flags); + + /* read cmd buffer from descriptor */ src = wmi_buffer(wil, d_tail.addr) + sizeof(struct wil6210_mbox_hdr); evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event, @@ -703,9 +714,6 @@ void wmi_recv_cmd(struct wil6210_priv *wil) iowrite32(0, wil->csr + HOSTADDR(r->tail) + offsetof(struct wil6210_mbox_ring_desc, sync)); /* indicate */ - wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n", - le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type), - hdr.flags); if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) && (len >= sizeof(struct wil6210_mbox_hdr_wmi))) { struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi; @@ -735,6 +743,8 @@ void wmi_recv_cmd(struct wil6210_priv *wil) wil_dbg_wmi(wil, "queue_work -> %d\n", q); } } + if (n > 1) + wil_dbg_wmi(wil, "%s -> %d events processed\n", __func__, n); } int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len, -- cgit v1.2.3