diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/core.h | 21 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi-ops.h | 32 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 186 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.h | 32 |
5 files changed, 273 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index eb7ff1116442..951dbdd1c9eb 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -176,6 +176,7 @@ struct ath10k_wmi { struct completion service_ready; struct completion unified_ready; struct completion barrier; + struct completion radar_confirm; wait_queue_head_t tx_credits_wq; DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX); struct wmi_cmd_map *cmd; @@ -378,6 +379,21 @@ struct ath10k_dfs_stats { u32 radar_detected; }; +enum ath10k_radar_confirmation_state { + ATH10K_RADAR_CONFIRMATION_IDLE = 0, + ATH10K_RADAR_CONFIRMATION_INPROGRESS, + ATH10K_RADAR_CONFIRMATION_STOPPED, +}; + +struct ath10k_radar_found_info { + u32 pri_min; + u32 pri_max; + u32 width_min; + u32 width_max; + u32 sidx_min; + u32 sidx_max; +}; + #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ struct ath10k_peer { @@ -1110,6 +1126,11 @@ struct ath10k { u32 sta_tid_stats_mask; + /* protected by data_lock */ + enum ath10k_radar_confirmation_state radar_conf_state; + struct ath10k_radar_found_info last_radar_info; + struct work_struct radar_confirmation_work; + /* must be last */ u8 drv_priv[0] __aligned(sizeof(void *)); }; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index e3b67ffdab72..e9c2fb318c03 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -3217,6 +3217,15 @@ static void ath10k_reg_notifier(struct wiphy *wiphy, ar->hw->wiphy->bands[NL80211_BAND_5GHZ]); } +static void ath10k_stop_radar_confirmation(struct ath10k *ar) +{ + spin_lock_bh(&ar->data_lock); + ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_STOPPED; + spin_unlock_bh(&ar->data_lock); + + cancel_work_sync(&ar->radar_confirmation_work); +} + /***************/ /* TX handlers */ /***************/ @@ -4333,6 +4342,7 @@ void ath10k_halt(struct ath10k *ar) ath10k_scan_finish(ar); ath10k_peer_cleanup_all(ar); + ath10k_stop_radar_confirmation(ar); ath10k_core_stop(ar); ath10k_hif_power_down(ar); @@ -4758,6 +4768,8 @@ static int ath10k_start(struct ieee80211_hw *hw) ath10k_spectral_start(ar); ath10k_thermal_set_throttling(ar); + ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_IDLE; + mutex_unlock(&ar->conf_mutex); return 0; diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h index e37d16b31afe..5ecce04005d2 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-ops.h +++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h @@ -55,6 +55,8 @@ struct wmi_ops { struct wmi_wow_ev_arg *arg); int (*pull_echo_ev)(struct ath10k *ar, struct sk_buff *skb, struct wmi_echo_ev_arg *arg); + int (*pull_dfs_status_ev)(struct ath10k *ar, struct sk_buff *skb, + struct wmi_dfs_status_ev_arg *arg); int (*pull_svc_avail)(struct ath10k *ar, struct sk_buff *skb, struct wmi_svc_avail_ev_arg *arg); @@ -188,6 +190,9 @@ struct wmi_ops { const struct wmi_tdls_peer_update_cmd_arg *arg, const struct wmi_tdls_peer_capab_arg *cap, const struct wmi_channel_arg *chan); + struct sk_buff *(*gen_radar_found) + (struct ath10k *ar, + const struct ath10k_radar_found_info *arg); struct sk_buff *(*gen_adaptive_qcs)(struct ath10k *ar, bool enable); struct sk_buff *(*gen_pdev_get_tpc_config)(struct ath10k *ar, u32 param); @@ -395,6 +400,16 @@ ath10k_wmi_pull_echo_ev(struct ath10k *ar, struct sk_buff *skb, return ar->wmi.ops->pull_echo_ev(ar, skb, arg); } +static inline int +ath10k_wmi_pull_dfs_status(struct ath10k *ar, struct sk_buff *skb, + struct wmi_dfs_status_ev_arg *arg) +{ + if (!ar->wmi.ops->pull_dfs_status_ev) + return -EOPNOTSUPP; + + return ar->wmi.ops->pull_dfs_status_ev(ar, skb, arg); +} + static inline enum wmi_txbf_conf ath10k_wmi_get_txbf_conf_scheme(struct ath10k *ar) { @@ -1511,4 +1526,21 @@ ath10k_wmi_pdev_get_tpc_table_cmdid(struct ath10k *ar, u32 param) ar->wmi.cmd->pdev_get_tpc_table_cmdid); } +static inline int +ath10k_wmi_report_radar_found(struct ath10k *ar, + const struct ath10k_radar_found_info *arg) +{ + struct sk_buff *skb; + + if (!ar->wmi.ops->gen_radar_found) + return -EOPNOTSUPP; + + skb = ar->wmi.ops->gen_radar_found(ar, arg); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + return ath10k_wmi_cmd_send(ar, skb, + ar->wmi.cmd->radar_found_cmdid); +} + #endif diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 1bccac002e97..f97ab795cf2e 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -34,6 +34,7 @@ #define ATH10K_WMI_BARRIER_ECHO_ID 0xBA991E9 #define ATH10K_WMI_BARRIER_TIMEOUT_HZ (3 * HZ) +#define ATH10K_WMI_DFS_CONF_TIMEOUT_HZ (HZ / 6) /* MAIN WMI cmd track */ static struct wmi_cmd_map wmi_cmd_map = { @@ -199,6 +200,7 @@ static struct wmi_cmd_map wmi_cmd_map = { .set_cca_params_cmdid = WMI_CMD_UNSUPPORTED, .pdev_bss_chan_info_request_cmdid = WMI_CMD_UNSUPPORTED, .pdev_get_tpc_table_cmdid = WMI_CMD_UNSUPPORTED, + .radar_found_cmdid = WMI_CMD_UNSUPPORTED, }; /* 10.X WMI cmd track */ @@ -367,6 +369,7 @@ static struct wmi_cmd_map wmi_10x_cmd_map = { .set_cca_params_cmdid = WMI_CMD_UNSUPPORTED, .pdev_bss_chan_info_request_cmdid = WMI_CMD_UNSUPPORTED, .pdev_get_tpc_table_cmdid = WMI_CMD_UNSUPPORTED, + .radar_found_cmdid = WMI_CMD_UNSUPPORTED, }; /* 10.2.4 WMI cmd track */ @@ -535,6 +538,7 @@ static struct wmi_cmd_map wmi_10_2_4_cmd_map = { .pdev_bss_chan_info_request_cmdid = WMI_10_2_PDEV_BSS_CHAN_INFO_REQUEST_CMDID, .pdev_get_tpc_table_cmdid = WMI_CMD_UNSUPPORTED, + .radar_found_cmdid = WMI_CMD_UNSUPPORTED, }; /* 10.4 WMI cmd track */ @@ -745,6 +749,7 @@ static struct wmi_cmd_map wmi_10_4_cmd_map = { .tdls_set_state_cmdid = WMI_10_4_TDLS_SET_STATE_CMDID, .tdls_peer_update_cmdid = WMI_10_4_TDLS_PEER_UPDATE_CMDID, .tdls_set_offchan_mode_cmdid = WMI_10_4_TDLS_SET_OFFCHAN_MODE_CMDID, + .radar_found_cmdid = WMI_10_4_RADAR_FOUND_CMDID, }; /* MAIN WMI VDEV param map */ @@ -1490,6 +1495,7 @@ static struct wmi_cmd_map wmi_10_2_cmd_map = { .pdev_get_ani_ofdm_config_cmdid = WMI_CMD_UNSUPPORTED, .pdev_reserve_ast_entry_cmdid = WMI_CMD_UNSUPPORTED, .pdev_get_tpc_table_cmdid = WMI_CMD_UNSUPPORTED, + .radar_found_cmdid = WMI_CMD_UNSUPPORTED, }; static struct wmi_pdev_param_map wmi_10_4_pdev_param_map = { @@ -3683,6 +3689,68 @@ void ath10k_wmi_event_tbttoffset_update(struct ath10k *ar, struct sk_buff *skb) ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_TBTTOFFSET_UPDATE_EVENTID\n"); } +static void ath10k_radar_detected(struct ath10k *ar) +{ + ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs radar detected\n"); + ATH10K_DFS_STAT_INC(ar, radar_detected); + + /* Control radar events reporting in debugfs file + * dfs_block_radar_events + */ + if (ar->dfs_block_radar_events) + ath10k_info(ar, "DFS Radar detected, but ignored as requested\n"); + else + ieee80211_radar_detected(ar->hw); +} + +static void ath10k_radar_confirmation_work(struct work_struct *work) +{ + struct ath10k *ar = container_of(work, struct ath10k, + radar_confirmation_work); + struct ath10k_radar_found_info radar_info; + int ret, time_left; + + reinit_completion(&ar->wmi.radar_confirm); + + spin_lock_bh(&ar->data_lock); + memcpy(&radar_info, &ar->last_radar_info, sizeof(radar_info)); + spin_unlock_bh(&ar->data_lock); + + ret = ath10k_wmi_report_radar_found(ar, &radar_info); + if (ret) { + ath10k_warn(ar, "failed to send radar found %d\n", ret); + goto wait_complete; + } + + time_left = wait_for_completion_timeout(&ar->wmi.radar_confirm, + ATH10K_WMI_DFS_CONF_TIMEOUT_HZ); + if (time_left) { + /* DFS Confirmation status event received and + * necessary action completed. + */ + goto wait_complete; + } else { + /* DFS Confirmation event not received from FW.Considering this + * as real radar. + */ + ath10k_dbg(ar, ATH10K_DBG_REGULATORY, + "dfs confirmation not received from fw, considering as radar\n"); + goto radar_detected; + } + +radar_detected: + ath10k_radar_detected(ar); + + /* Reset state to allow sending confirmation on consecutive radar + * detections, unless radar confirmation is disabled/stopped. + */ +wait_complete: + spin_lock_bh(&ar->data_lock); + if (ar->radar_conf_state != ATH10K_RADAR_CONFIRMATION_STOPPED) + ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_IDLE; + spin_unlock_bh(&ar->data_lock); +} + static void ath10k_dfs_radar_report(struct ath10k *ar, struct wmi_phyerr_ev_arg *phyerr, const struct phyerr_radar_report *rr, @@ -3691,8 +3759,10 @@ static void ath10k_dfs_radar_report(struct ath10k *ar, u32 reg0, reg1, tsf32l; struct ieee80211_channel *ch; struct pulse_event pe; + struct radar_detector_specs rs; u64 tsf64; u8 rssi, width; + struct ath10k_radar_found_info *radar_info; reg0 = __le32_to_cpu(rr->reg0); reg1 = __le32_to_cpu(rr->reg1); @@ -3757,25 +3827,46 @@ static void ath10k_dfs_radar_report(struct ath10k *ar, ATH10K_DFS_STAT_INC(ar, pulses_detected); - if (!ar->dfs_detector->add_pulse(ar->dfs_detector, &pe, NULL)) { + if (!ar->dfs_detector->add_pulse(ar->dfs_detector, &pe, &rs)) { ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs no pulse pattern detected, yet\n"); return; } -radar_detected: - ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs radar detected\n"); - ATH10K_DFS_STAT_INC(ar, radar_detected); + if ((test_bit(WMI_SERVICE_HOST_DFS_CHECK_SUPPORT, ar->wmi.svc_map)) && + ar->dfs_detector->region == NL80211_DFS_FCC) { + /* Consecutive radar indications need not be + * sent to the firmware until we get confirmation + * for the previous detected radar. + */ + spin_lock_bh(&ar->data_lock); + if (ar->radar_conf_state != ATH10K_RADAR_CONFIRMATION_IDLE) { + spin_unlock_bh(&ar->data_lock); + return; + } + ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_INPROGRESS; + radar_info = &ar->last_radar_info; - /* Control radar events reporting in debugfs file - * dfs_block_radar_events - */ - if (ar->dfs_block_radar_events) { - ath10k_info(ar, "DFS Radar detected, but ignored as requested\n"); + radar_info->pri_min = rs.pri_min; + radar_info->pri_max = rs.pri_max; + radar_info->width_min = rs.width_min; + radar_info->width_max = rs.width_max; + /*TODO Find sidx_min and sidx_max */ + radar_info->sidx_min = MS(reg0, RADAR_REPORT_REG0_PULSE_SIDX); + radar_info->sidx_max = MS(reg0, RADAR_REPORT_REG0_PULSE_SIDX); + + ath10k_dbg(ar, ATH10K_DBG_REGULATORY, + "sending wmi radar found cmd pri_min %d pri_max %d width_min %d width_max %d sidx_min %d sidx_max %d\n", + radar_info->pri_min, radar_info->pri_max, + radar_info->width_min, radar_info->width_max, + radar_info->sidx_min, radar_info->sidx_max); + ieee80211_queue_work(ar->hw, &ar->radar_confirmation_work); + spin_unlock_bh(&ar->data_lock); return; } - ieee80211_radar_detected(ar->hw); +radar_detected: + ath10k_radar_detected(ar); } static int ath10k_dfs_fft_report(struct ath10k *ar, @@ -4125,6 +4216,47 @@ void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb) } } +static int +ath10k_wmi_10_4_op_pull_dfs_status_ev(struct ath10k *ar, struct sk_buff *skb, + struct wmi_dfs_status_ev_arg *arg) +{ + struct wmi_dfs_status_ev_arg *ev = (void *)skb->data; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + arg->status = ev->status; + + return 0; +} + +static void +ath10k_wmi_event_dfs_status_check(struct ath10k *ar, struct sk_buff *skb) +{ + struct wmi_dfs_status_ev_arg status_arg = {}; + int ret; + + ret = ath10k_wmi_pull_dfs_status(ar, skb, &status_arg); + + if (ret) { + ath10k_warn(ar, "failed to parse dfs status event: %d\n", ret); + return; + } + + ath10k_dbg(ar, ATH10K_DBG_REGULATORY, + "dfs status event received from fw: %d\n", + status_arg.status); + + /* Even in case of radar detection failure we follow the same + * behaviour as if radar is detected i.e to switch to a different + * channel. + */ + if (status_arg.status == WMI_HW_RADAR_DETECTED || + status_arg.status == WMI_RADAR_DETECTION_FAIL) + ath10k_radar_detected(ar); + complete(&ar->wmi.radar_confirm); +} + void ath10k_wmi_event_roam(struct ath10k *ar, struct sk_buff *skb) { struct wmi_roam_ev_arg arg = {}; @@ -5876,6 +6008,9 @@ static void ath10k_wmi_10_4_op_rx(struct ath10k *ar, struct sk_buff *skb) case WMI_10_4_PDEV_TPC_TABLE_EVENTID: ath10k_wmi_event_tpc_final_table(ar, skb); break; + case WMI_10_4_DFS_STATUS_CHECK_EVENTID: + ath10k_wmi_event_dfs_status_check(ar, skb); + break; default: ath10k_warn(ar, "Unknown eventid: %d\n", id); break; @@ -8462,6 +8597,32 @@ ath10k_wmi_10_4_gen_tdls_peer_update(struct ath10k *ar, } static struct sk_buff * +ath10k_wmi_10_4_gen_radar_found(struct ath10k *ar, + const struct ath10k_radar_found_info *arg) +{ + struct wmi_radar_found_info *cmd; + struct sk_buff *skb; + + skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd)); + if (!skb) + return ERR_PTR(-ENOMEM); + + cmd = (struct wmi_radar_found_info *)skb->data; + cmd->pri_min = __cpu_to_le32(arg->pri_min); + cmd->pri_max = __cpu_to_le32(arg->pri_max); + cmd->width_min = __cpu_to_le32(arg->width_min); + cmd->width_max = __cpu_to_le32(arg->width_max); + cmd->sidx_min = __cpu_to_le32(arg->sidx_min); + cmd->sidx_max = __cpu_to_le32(arg->sidx_max); + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi radar found pri_min %d pri_max %d width_min %d width_max %d sidx_min %d sidx_max %d\n", + arg->pri_min, arg->pri_max, arg->width_min, + arg->width_max, arg->sidx_min, arg->sidx_max); + return skb; +} + +static struct sk_buff * ath10k_wmi_op_gen_echo(struct ath10k *ar, u32 value) { struct wmi_echo_cmd *cmd; @@ -8798,6 +8959,7 @@ static const struct wmi_ops wmi_10_4_ops = { .pull_svc_rdy = ath10k_wmi_main_op_pull_svc_rdy_ev, .pull_rdy = ath10k_wmi_op_pull_rdy_ev, .pull_roam_ev = ath10k_wmi_op_pull_roam_ev, + .pull_dfs_status_ev = ath10k_wmi_10_4_op_pull_dfs_status_ev, .get_txbf_conf_scheme = ath10k_wmi_10_4_txbf_conf_scheme, .gen_pdev_suspend = ath10k_wmi_op_gen_pdev_suspend, @@ -8844,6 +9006,7 @@ static const struct wmi_ops wmi_10_4_ops = { .gen_tdls_peer_update = ath10k_wmi_10_4_gen_tdls_peer_update, .gen_pdev_get_tpc_table_cmdid = ath10k_wmi_10_4_op_gen_pdev_get_tpc_table_cmdid, + .gen_radar_found = ath10k_wmi_10_4_gen_radar_found, /* shared with 10.2 */ .pull_echo_ev = ath10k_wmi_op_pull_echo_ev, @@ -8906,8 +9069,11 @@ int ath10k_wmi_attach(struct ath10k *ar) init_completion(&ar->wmi.service_ready); init_completion(&ar->wmi.unified_ready); init_completion(&ar->wmi.barrier); + init_completion(&ar->wmi.radar_confirm); INIT_WORK(&ar->svc_rdy_work, ath10k_wmi_event_service_ready_work); + INIT_WORK(&ar->radar_confirmation_work, + ath10k_radar_confirmation_work); return 0; } diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 700b12f46baf..b48db54e9865 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -969,6 +969,7 @@ struct wmi_cmd_map { u32 vdev_sifs_trigger_time_cmdid; u32 pdev_wds_entry_list_cmdid; u32 tdls_set_offchan_mode_cmdid; + u32 radar_found_cmdid; }; /* @@ -1803,6 +1804,11 @@ enum wmi_10_4_cmd_id { WMI_10_4_TDLS_SET_STATE_CMDID, WMI_10_4_TDLS_PEER_UPDATE_CMDID, WMI_10_4_TDLS_SET_OFFCHAN_MODE_CMDID, + WMI_10_4_PDEV_SEND_FD_CMDID, + WMI_10_4_ENABLE_FILS_CMDID, + WMI_10_4_PDEV_SET_BRIDGE_MACADDR_CMDID, + WMI_10_4_ATF_GROUP_WMM_AC_CONFIG_REQUEST_CMDID, + WMI_10_4_RADAR_FOUND_CMDID, WMI_10_4_PDEV_UTF_CMDID = WMI_10_4_END_CMDID - 1, }; @@ -1878,6 +1884,9 @@ enum wmi_10_4_event_id { WMI_10_4_PDEV_TPC_TABLE_EVENTID, WMI_10_4_PDEV_WDS_ENTRY_LIST_EVENTID, WMI_10_4_TDLS_PEER_EVENTID, + WMI_10_4_HOST_SWFDA_EVENTID, + WMI_10_4_ESP_ESTIMATE_EVENTID, + WMI_10_4_DFS_STATUS_CHECK_EVENTID, WMI_10_4_PDEV_UTF_EVENTID = WMI_10_4_END_EVENTID - 1, }; @@ -3398,6 +3407,25 @@ struct wmi_10_4_phyerr_event { u8 buf[0]; } __packed; +struct wmi_radar_found_info { + __le32 pri_min; + __le32 pri_max; + __le32 width_min; + __le32 width_max; + __le32 sidx_min; + __le32 sidx_max; +} __packed; + +enum wmi_radar_confirmation_status { + /* Detected radar was due to SW pulses */ + WMI_SW_RADAR_DETECTED = 0, + + WMI_RADAR_DETECTION_FAIL = 1, + + /* Real radar detected */ + WMI_HW_RADAR_DETECTED = 2, +}; + #define PHYERR_TLV_SIG 0xBB #define PHYERR_TLV_TAG_SEARCH_FFT_REPORT 0xFB #define PHYERR_TLV_TAG_RADAR_PULSE_SUMMARY 0xF8 @@ -6631,6 +6659,10 @@ struct wmi_phyerr_hdr_arg { const void *phyerrs; }; +struct wmi_dfs_status_ev_arg { + u32 status; +}; + struct wmi_svc_rdy_ev_arg { __le32 min_tx_power; __le32 max_tx_power; |