From 74a102521208554e0daf52b0aeb742c066ad1e34 Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Thu, 25 Oct 2018 14:12:05 +0300 Subject: iwlwifi: mvm: support CHANNEL_SWITCH_TIME_EVENT_CMD command When we do channel switch, we used to schedule time events ourselves. This was offloaded to FW. Support the new command and flow. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 5e4f8b767d10..e56b31692a20 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -421,6 +421,7 @@ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { * Access is done through binary search */ static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { + HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; -- cgit v1.2.2 From 67b8261c49a050dccd776f13b28816dcea226d0c Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Thu, 22 Nov 2018 09:12:08 +0200 Subject: iwlwifi: differentiate between alive timeout and alive flow failure There are two cases that can cause the alive flow to fail, an assert or a timeout. Currently we mask any incoming asserts when we wait for alive. Solve this by differentiating between the two cases: 1. Let the regular error handling to handle a received assert 2. Do a dump collection in the case of a timeout Signed-off-by: Shahar S Matityahu Fixes: f38efdb29389 ("iwlwifi: add dump collection in case alive flow fails") Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index e56b31692a20..a2719a75249a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -818,8 +818,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mutex_lock(&mvm->mutex); iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); - if (test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status)) - iwl_fw_alive_error_dump(&mvm->fwrt); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); -- cgit v1.2.2 From 6032c062723ce5a23eccb7d2bf8c0a2985424f27 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 30 Nov 2018 19:24:26 +0800 Subject: iwlwifi: mvm: remove duplicated include from ops.c Remove duplicated include. Signed-off-by: YueHaibing Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index a2719a75249a..de288962773e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -82,7 +82,6 @@ #include "fw/api/scan.h" #include "time-event.h" #include "fw-api.h" -#include "fw/api/scan.h" #include "fw/acpi.h" #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" -- cgit v1.2.2 From 700b3799b398d00320f40ef1a40d3fe341f98678 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Mon, 12 Nov 2018 13:27:51 +0200 Subject: iwlwifi: Fix pre operational dumping flows There are several dumping flows in the driver in case of a fail prior to operational. In some cases we get 2 dumps while in others we get none. Fix this by uniting the different flows. Add a different dump type to driver triggered dumps in case we want a dump but did not got assert, and make all dumping go through iwl_fw_dbg_collect_desc to avoid multiple dumps. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index de288962773e..ad816007e546 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -817,6 +817,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mutex_lock(&mvm->mutex); iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); + if (err) + iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE); -- cgit v1.2.2 From f4056d713cede3d3f1f574e9c36613c6a1a4e347 Mon Sep 17 00:00:00 2001 From: Liad Kaufman Date: Sun, 9 Dec 2018 11:20:39 +0200 Subject: iwlwifi: mvm: add tlc command name to output Instead of having the command appear as "UNKNOWN" in the dmesg, add the name to it. Signed-off-by: Liad Kaufman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index ad816007e546..8a16388c3a0b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -445,6 +445,7 @@ static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), HCMD_NAME(STA_HE_CTXT_CMD), HCMD_NAME(RFH_QUEUE_CONFIG_CMD), + HCMD_NAME(TLC_MNG_CONFIG_CMD), HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), HCMD_NAME(STA_PM_NOTIF), HCMD_NAME(MU_GROUP_MGMT_NOTIF), -- cgit v1.2.2 From b73f9a4ae77d448eb501f746d3bbe1b737f38681 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 5 Dec 2018 11:34:09 +0100 Subject: iwlwifi: mvm: support FTM responder Add support for FTM responder for hardware/firmware combinations that advertise support for it. Signed-off-by: Johannes Berg Signed-off-by: Avraham Stern Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 8a16388c3a0b..d5644d252fe0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -300,6 +300,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER_ASYNC_LOCKED), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, RX_HANDLER_SYNC), + RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, + iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, -- cgit v1.2.2 From fc36ffda326706b21f70a4aff0c77d9bc94c4f0a Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 5 Dec 2018 11:33:34 +0100 Subject: iwlwifi: mvm: support FTM initiator Add support for FTM initiator, i.e. peer measurements with FTM if the firmware supports FTM. Additionally, add two defines we depend on in include/linux/ieee80211.h. Signed-off-by: Johannes Berg Signed-off-by: Avraham Stern Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index d5644d252fe0..0c276124bf0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -302,6 +302,12 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER_SYNC), RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED), + + RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, + iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF, + iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), + RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC), RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, @@ -693,6 +699,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); + INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); -- cgit v1.2.2 From f130bb75d8817c560b48c4d1a0e5279968a0859d Mon Sep 17 00:00:00 2001 From: Mordechay Goodstein Date: Thu, 13 Dec 2018 23:04:51 +0200 Subject: iwlwifi: add FW recovery flow Add new API and TLV for the ability to send commands in the beginning and end of reset flow. The full flow of recovery is: 1. While loading FW, get address (from the TLV) of target buffer to read in case of reset 2. If an error/assert happens read the address data from step 1. 3. Reset the HW and load the FW. 4. Send the data read in step 2. 5. Add station keys 6. Send notification to FW that reset flow is done. The main use of the recovery flow is for support in PN/SN recovery when offloaded Signed-off-by: Mordechay Goodstein Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 0c276124bf0f..f8a5a7074dc1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -422,6 +422,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { static const struct iwl_hcmd_names iwl_mvm_system_names[] = { HCMD_NAME(SHARED_MEM_CFG_CMD), HCMD_NAME(INIT_EXTENDED_CFG_CMD), + HCMD_NAME(FW_ERROR_RECOVERY_CMD), }; /* Please keep this array *SORTED* by hex value. @@ -921,6 +922,9 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) kfree(mvm->mcast_filter_cmd); mvm->mcast_filter_cmd = NULL; + kfree(mvm->error_recovery_buf); + mvm->error_recovery_buf = NULL; + #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) kfree(mvm->d3_resume_sram); #endif @@ -1301,6 +1305,20 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) /* don't let the transport/FW power down */ iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); + if (mvm->fw->ucode_capa.error_log_size) { + u32 src_size = mvm->fw->ucode_capa.error_log_size; + u32 src_addr = mvm->fw->ucode_capa.error_log_addr; + u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); + + if (recover_buf) { + mvm->error_recovery_buf = recover_buf; + iwl_trans_read_mem_bytes(mvm->trans, + src_addr, + recover_buf, + src_size); + } + } + if (fw_error && mvm->fw_restart > 0) mvm->fw_restart--; set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); -- cgit v1.2.2 From 971377e67074a07665038d78cb48c6f570292b19 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Tue, 1 Jan 2019 17:38:32 +0200 Subject: iwlwifi: mvm: add a debug_enable op D3 debug data is disabled by default. Currently it is done by tampering the dump mask. Add an operation that will allow this to be changed without recompilation. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index f8a5a7074dc1..0bdf92c49710 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -601,11 +601,17 @@ static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) return ret; } +static bool iwl_mvm_d3_debug_enable(void *ctx) +{ + return IWL_MVM_D3_DEBUG; +} + static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, .fw_running = iwl_mvm_fwrt_fw_running, .send_hcmd = iwl_mvm_fwrt_send_hcmd, + .d3_debug_enable = iwl_mvm_d3_debug_enable, }; static struct iwl_op_mode * -- cgit v1.2.2 From 99944b73069d8bcea573c07df8dc8d4f33e78586 Mon Sep 17 00:00:00 2001 From: Avraham Stern Date: Sun, 20 Jan 2019 11:33:57 +0200 Subject: iwlwifi: mvm: stop static queues correctly AP interfaces still use some static TX queues (for probes, broadcast and multicast frames). These queues were not stopped correctly when the transport layer indicated the queue should be stopped. As a result, when flushing the queues, new frames from the overflow queue were tx'd, so the queues still had frames after flushing. This ended up in an assert since trying to remove a station with non-empty queues. Fix it by stopping the static queues correctly when required. Signed-off-by: Avraham Stern Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 0bdf92c49710..33053d136a8c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1125,6 +1125,12 @@ static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode, iwl_trans_block_txq_ptrs(mvm->trans, false); } +static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) +{ + return queue == mvm->aux_queue || queue == mvm->probe_queue || + queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; +} + static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, int hw_queue, bool start) { @@ -1151,6 +1157,15 @@ static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, goto out; mvmsta = iwl_mvm_sta_from_mac80211(sta); + if (iwl_mvm_is_static_queue(mvm, hw_queue)) { + if (!start) + ieee80211_stop_queues(mvm->hw); + else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) + ieee80211_wake_queues(mvm->hw); + + goto out; + } + if (iwl_mvm_has_new_tx_api(mvm)) { int tid = mvm->tvqm_info[hw_queue].txq_tid; -- cgit v1.2.2 From 1e78e759bed84cc55e08cc10988287464a49747f Mon Sep 17 00:00:00 2001 From: Ilan Peer Date: Sun, 20 Jan 2019 17:45:16 +0200 Subject: iwlwifi: mvm: Don't request HW restart if already requested In case mac80211 was requested to perform an HW restart, but the HW restart has not started yet, there is no need to request another one. Signed-off-by: Ilan Peer Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 33053d136a8c..0996c97c4b94 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1320,6 +1320,9 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) reprobe->dev = mvm->trans->dev; INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); schedule_work(&reprobe->work); + } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) { + IWL_ERR(mvm, "HW restart already requested, but not started\n"); } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered && !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { -- cgit v1.2.2 From cad7eb754dbd8e921e481b0a41ee0596016afa2f Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 29 Jan 2019 13:23:05 +0100 Subject: iwlwifi: mvm: remove IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE There's no point in this, we already do everything in a nested fashion, and if we didn't we'd already crash in iwl_mvm_leds_exit() etc. Just remove the bit. Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 0996c97c4b94..ba27dce4c2bb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -919,10 +919,7 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) iwl_mvm_thermal_exit(mvm); - if (mvm->init_status & IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE) { - ieee80211_unregister_hw(mvm->hw); - mvm->init_status &= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; - } + ieee80211_unregister_hw(mvm->hw); kfree(mvm->scan_cmd); kfree(mvm->mcast_filter_cmd); -- cgit v1.2.2