diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/utils.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 1143 |
1 files changed, 550 insertions, 593 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index d116c6ae18ff..1a6c1f8706e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1,66 +1,9 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2012-2014, 2018-2025 Intel Corporation + * Copyright (C) 2013-2014 Intel Mobile Communications GmbH + * Copyright (C) 2015-2017 Intel Deutschland GmbH + */ #include <net/mac80211.h> #include "iwl-debug.h" @@ -69,6 +12,7 @@ #include "iwl-csr.h" #include "mvm.h" #include "fw/api/rs.h" +#include "fw/img.h" /* * Will return 0 even if the cmd failed when RFKILL is asserted unless @@ -78,27 +22,16 @@ int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) { int ret; -#if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP) - if (WARN_ON(mvm->d3_test_active)) - return -EIO; -#endif - /* * Synchronous commands from this op-mode must hold * the mutex, this ensures we don't try to send two * (or more) synchronous commands at a time. */ - if (!(cmd->flags & CMD_ASYNC)) { + if (!(cmd->flags & CMD_ASYNC)) lockdep_assert_held(&mvm->mutex); - if (!(cmd->flags & CMD_SEND_IN_IDLE)) - iwl_mvm_ref(mvm, IWL_MVM_REF_SENDING_CMD); - } ret = iwl_trans_send_cmd(mvm->trans, cmd); - if (!(cmd->flags & (CMD_ASYNC | CMD_SEND_IN_IDLE))) - iwl_mvm_unref(mvm, IWL_MVM_REF_SENDING_CMD); - /* * If the caller wants the SKB, then don't hide any problems, the * caller might access the response buffer which will be NULL if @@ -107,8 +40,11 @@ int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) if (cmd->flags & CMD_WANT_SKB) return ret; - /* Silently ignore failures if RFKILL is asserted */ - if (!ret || ret == -ERFKILL) + /* + * Silently ignore failures if RFKILL is asserted or + * we are in suspend\resume process + */ + if (!ret || ret == -ERFKILL || ret == -EHOSTDOWN) return 0; return ret; } @@ -138,11 +74,6 @@ int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, lockdep_assert_held(&mvm->mutex); -#if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP) - if (WARN_ON(mvm->d3_test_active)) - return -EIO; -#endif - /* * Only synchronous commands can wait for status, * we use WANT_SKB so the caller can't. @@ -194,48 +125,61 @@ int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, return iwl_mvm_send_cmd_status(mvm, &cmd, status); } -#define IWL_DECLARE_RATE_INFO(r) \ - [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP +int iwl_mvm_legacy_hw_idx_to_mac80211_idx(u32 rate_n_flags, + enum nl80211_band band) +{ + int format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; + bool is_LB = band == NL80211_BAND_2GHZ; -/* - * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP - */ -static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = { - IWL_DECLARE_RATE_INFO(1), - IWL_DECLARE_RATE_INFO(2), - IWL_DECLARE_RATE_INFO(5), - IWL_DECLARE_RATE_INFO(11), - IWL_DECLARE_RATE_INFO(6), - IWL_DECLARE_RATE_INFO(9), - IWL_DECLARE_RATE_INFO(12), - IWL_DECLARE_RATE_INFO(18), - IWL_DECLARE_RATE_INFO(24), - IWL_DECLARE_RATE_INFO(36), - IWL_DECLARE_RATE_INFO(48), - IWL_DECLARE_RATE_INFO(54), -}; + if (format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) + return is_LB ? rate + IWL_FIRST_OFDM_RATE : + rate; + + /* CCK is not allowed in HB */ + return is_LB ? rate : -1; +} int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band) { - int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK_V1; int idx; int band_offset = 0; /* Legacy rate format, search for match in table */ - if (band == NL80211_BAND_5GHZ) + if (band != NL80211_BAND_2GHZ) band_offset = IWL_FIRST_OFDM_RATE; for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) - if (fw_rate_idx_to_plcp[idx] == rate) + if (iwl_fw_rate_idx_to_plcp(idx) == rate) return idx - band_offset; return -1; } -u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) +u8 iwl_mvm_mac80211_idx_to_hwrate(const struct iwl_fw *fw, int rate_idx) +{ + if (iwl_fw_lookup_cmd_ver(fw, TX_CMD, 0) > 8) + /* In the new rate legacy rates are indexed: + * 0 - 3 for CCK and 0 - 7 for OFDM. + */ + return (rate_idx >= IWL_FIRST_OFDM_RATE ? + rate_idx - IWL_FIRST_OFDM_RATE : + rate_idx); + + return iwl_fw_rate_idx_to_plcp(rate_idx); +} + +u8 iwl_mvm_mac80211_ac_to_ucode_ac(enum ieee80211_ac_numbers ac) { - /* Get PLCP rate for tx_cmd->rate_n_flags */ - return fw_rate_idx_to_plcp[rate_idx]; + static const u8 mac80211_ac_to_ucode_ac[] = { + AC_VO, + AC_VI, + AC_BE, + AC_BK + }; + + return mac80211_ac_to_ucode_ac[ac]; } void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) @@ -248,7 +192,7 @@ void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) IWL_ERR(mvm, "FW Error notification: seq 0x%04X service 0x%08X\n", le16_to_cpu(err_resp->bad_cmd_seq_num), le32_to_cpu(err_resp->error_service)); - IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", + IWL_ERR(mvm, "FW Error notification: timestamp 0x%016llX\n", le64_to_cpu(err_resp->timestamp)); } @@ -264,6 +208,7 @@ u8 first_antenna(u8 mask) return BIT(ffs(mask) - 1); } +#define MAX_ANT_NUM 2 /* * Toggles between TX antennas to send the probe request on. * Receives the bitmask of valid TX antennas and the *index* used @@ -285,378 +230,28 @@ u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx) return last_idx; } -#define FW_SYSASSERT_CPU_MASK 0xf0000000 -static const struct { - const char *name; - u8 num; -} advanced_lookup[] = { - { "NMI_INTERRUPT_WDG", 0x34 }, - { "SYSASSERT", 0x35 }, - { "UCODE_VERSION_MISMATCH", 0x37 }, - { "BAD_COMMAND", 0x38 }, - { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, - { "FATAL_ERROR", 0x3D }, - { "NMI_TRM_HW_ERR", 0x46 }, - { "NMI_INTERRUPT_TRM", 0x4C }, - { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, - { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, - { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, - { "NMI_INTERRUPT_HOST", 0x66 }, - { "NMI_INTERRUPT_LMAC_FATAL", 0x70 }, - { "NMI_INTERRUPT_UMAC_FATAL", 0x71 }, - { "NMI_INTERRUPT_OTHER_LMAC_FATAL", 0x73 }, - { "NMI_INTERRUPT_ACTION_PT", 0x7C }, - { "NMI_INTERRUPT_UNKNOWN", 0x84 }, - { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, - { "ADVANCED_SYSASSERT", 0 }, -}; - -static const char *desc_lookup(u32 num) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++) - if (advanced_lookup[i].num == (num & ~FW_SYSASSERT_CPU_MASK)) - return advanced_lookup[i].name; - - /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */ - return advanced_lookup[i].name; -} - -/* - * Note: This structure is read from the device with IO accesses, - * and the reading already does the endian conversion. As it is - * read with u32-sized accesses, any members with a different size - * need to be ordered correctly though! - */ -struct iwl_error_event_table_v1 { - u32 valid; /* (nonzero) valid, (0) log is empty */ - u32 error_id; /* type of error */ - u32 pc; /* program counter */ - u32 blink1; /* branch link */ - u32 blink2; /* branch link */ - u32 ilink1; /* interrupt link */ - u32 ilink2; /* interrupt link */ - u32 data1; /* error-specific data */ - u32 data2; /* error-specific data */ - u32 data3; /* error-specific data */ - u32 bcon_time; /* beacon timer */ - u32 tsf_low; /* network timestamp function timer */ - u32 tsf_hi; /* network timestamp function timer */ - u32 gp1; /* GP1 timer register */ - u32 gp2; /* GP2 timer register */ - u32 gp3; /* GP3 timer register */ - u32 ucode_ver; /* uCode version */ - u32 hw_ver; /* HW Silicon version */ - u32 brd_ver; /* HW board version */ - u32 log_pc; /* log program counter */ - u32 frame_ptr; /* frame pointer */ - u32 stack_ptr; /* stack pointer */ - u32 hcmd; /* last host command header */ - u32 isr0; /* isr status register LMPM_NIC_ISR0: - * rxtx_flag */ - u32 isr1; /* isr status register LMPM_NIC_ISR1: - * host_flag */ - u32 isr2; /* isr status register LMPM_NIC_ISR2: - * enc_flag */ - u32 isr3; /* isr status register LMPM_NIC_ISR3: - * time_flag */ - u32 isr4; /* isr status register LMPM_NIC_ISR4: - * wico interrupt */ - u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ - u32 wait_event; /* wait event() caller address */ - u32 l2p_control; /* L2pControlField */ - u32 l2p_duration; /* L2pDurationField */ - u32 l2p_mhvalid; /* L2pMhValidBits */ - u32 l2p_addr_match; /* L2pAddrMatchStat */ - u32 lmpm_pmg_sel; /* indicate which clocks are turned on - * (LMPM_PMG_SEL) */ - u32 u_timestamp; /* indicate when the date and time of the - * compilation */ - u32 flow_handler; /* FH read/write pointers, RX credit */ -} __packed /* LOG_ERROR_TABLE_API_S_VER_1 */; - -struct iwl_error_event_table { - u32 valid; /* (nonzero) valid, (0) log is empty */ - u32 error_id; /* type of error */ - u32 trm_hw_status0; /* TRM HW status */ - u32 trm_hw_status1; /* TRM HW status */ - u32 blink2; /* branch link */ - u32 ilink1; /* interrupt link */ - u32 ilink2; /* interrupt link */ - u32 data1; /* error-specific data */ - u32 data2; /* error-specific data */ - u32 data3; /* error-specific data */ - u32 bcon_time; /* beacon timer */ - u32 tsf_low; /* network timestamp function timer */ - u32 tsf_hi; /* network timestamp function timer */ - u32 gp1; /* GP1 timer register */ - u32 gp2; /* GP2 timer register */ - u32 fw_rev_type; /* firmware revision type */ - u32 major; /* uCode version major */ - u32 minor; /* uCode version minor */ - u32 hw_ver; /* HW Silicon version */ - u32 brd_ver; /* HW board version */ - u32 log_pc; /* log program counter */ - u32 frame_ptr; /* frame pointer */ - u32 stack_ptr; /* stack pointer */ - u32 hcmd; /* last host command header */ - u32 isr0; /* isr status register LMPM_NIC_ISR0: - * rxtx_flag */ - u32 isr1; /* isr status register LMPM_NIC_ISR1: - * host_flag */ - u32 isr2; /* isr status register LMPM_NIC_ISR2: - * enc_flag */ - u32 isr3; /* isr status register LMPM_NIC_ISR3: - * time_flag */ - u32 isr4; /* isr status register LMPM_NIC_ISR4: - * wico interrupt */ - u32 last_cmd_id; /* last HCMD id handled by the firmware */ - u32 wait_event; /* wait event() caller address */ - u32 l2p_control; /* L2pControlField */ - u32 l2p_duration; /* L2pDurationField */ - u32 l2p_mhvalid; /* L2pMhValidBits */ - u32 l2p_addr_match; /* L2pAddrMatchStat */ - u32 lmpm_pmg_sel; /* indicate which clocks are turned on - * (LMPM_PMG_SEL) */ - u32 u_timestamp; /* indicate when the date and time of the - * compilation */ - u32 flow_handler; /* FH read/write pointers, RX credit */ -} __packed /* LOG_ERROR_TABLE_API_S_VER_3 */; - -/* - * UMAC error struct - relevant starting from family 8000 chip. - * Note: This structure is read from the device with IO accesses, - * and the reading already does the endian conversion. As it is - * read with u32-sized accesses, any members with a different size - * need to be ordered correctly though! - */ -struct iwl_umac_error_event_table { - u32 valid; /* (nonzero) valid, (0) log is empty */ - u32 error_id; /* type of error */ - u32 blink1; /* branch link */ - u32 blink2; /* branch link */ - u32 ilink1; /* interrupt link */ - u32 ilink2; /* interrupt link */ - u32 data1; /* error-specific data */ - u32 data2; /* error-specific data */ - u32 data3; /* error-specific data */ - u32 umac_major; - u32 umac_minor; - u32 frame_pointer; /* core register 27*/ - u32 stack_pointer; /* core register 28 */ - u32 cmd_header; /* latest host cmd sent to UMAC */ - u32 nic_isr_pref; /* ISR status register */ -} __packed; - -#define ERROR_START_OFFSET (1 * sizeof(u32)) -#define ERROR_ELEM_SIZE (7 * sizeof(u32)) - -static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm) -{ - struct iwl_trans *trans = mvm->trans; - struct iwl_umac_error_event_table table; - - if (!mvm->support_umac_log) - return; - - iwl_trans_read_mem_bytes(trans, mvm->umac_error_event_table, &table, - sizeof(table)); - - if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { - IWL_ERR(trans, "Start IWL Error Log Dump:\n"); - IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", - mvm->status, table.valid); - } - - IWL_ERR(mvm, "0x%08X | %s\n", table.error_id, - desc_lookup(table.error_id)); - IWL_ERR(mvm, "0x%08X | umac branchlink1\n", table.blink1); - IWL_ERR(mvm, "0x%08X | umac branchlink2\n", table.blink2); - IWL_ERR(mvm, "0x%08X | umac interruptlink1\n", table.ilink1); - IWL_ERR(mvm, "0x%08X | umac interruptlink2\n", table.ilink2); - IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1); - IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2); - IWL_ERR(mvm, "0x%08X | umac data3\n", table.data3); - IWL_ERR(mvm, "0x%08X | umac major\n", table.umac_major); - IWL_ERR(mvm, "0x%08X | umac minor\n", table.umac_minor); - IWL_ERR(mvm, "0x%08X | frame pointer\n", table.frame_pointer); - IWL_ERR(mvm, "0x%08X | stack pointer\n", table.stack_pointer); - IWL_ERR(mvm, "0x%08X | last host cmd\n", table.cmd_header); - IWL_ERR(mvm, "0x%08X | isr status reg\n", table.nic_isr_pref); -} - -static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base) -{ - struct iwl_trans *trans = mvm->trans; - struct iwl_error_event_table table; - u32 val; - - if (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) { - if (!base) - base = mvm->fw->init_errlog_ptr; - } else { - if (!base) - base = mvm->fw->inst_errlog_ptr; - } - - if (base < 0x400000) { - IWL_ERR(mvm, - "Not valid error log pointer 0x%08X for %s uCode\n", - base, - (mvm->fwrt.cur_fw_img == IWL_UCODE_INIT) - ? "Init" : "RT"); - return; - } - - /* check if there is a HW error */ - val = iwl_trans_read_mem32(trans, base); - if (((val & ~0xf) == 0xa5a5a5a0) || ((val & ~0xf) == 0x5a5a5a50)) { - int err; - - IWL_ERR(trans, "HW error, resetting before reading\n"); - - /* reset the device */ - iwl_trans_sw_reset(trans); - - /* set INIT_DONE flag */ - iwl_set_bit(trans, CSR_GP_CNTRL, - BIT(trans->cfg->csr->flag_init_done)); - - /* and wait for clock stabilization */ - if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) - udelay(2); - - err = iwl_poll_bit(trans, CSR_GP_CNTRL, - BIT(trans->cfg->csr->flag_mac_clock_ready), - BIT(trans->cfg->csr->flag_mac_clock_ready), - 25000); - if (err < 0) { - IWL_DEBUG_INFO(trans, - "Failed to reset the card for the dump\n"); - return; - } - } - - iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); - - if (table.valid) - mvm->fwrt.dump.rt_status = table.error_id; - - if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { - IWL_ERR(trans, "Start IWL Error Log Dump:\n"); - IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", - mvm->status, table.valid); - } - - /* Do not change this output - scripts rely on it */ - - IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); - - IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id, - desc_lookup(table.error_id)); - IWL_ERR(mvm, "0x%08X | trm_hw_status0\n", table.trm_hw_status0); - IWL_ERR(mvm, "0x%08X | trm_hw_status1\n", table.trm_hw_status1); - IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2); - IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1); - IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2); - IWL_ERR(mvm, "0x%08X | data1\n", table.data1); - IWL_ERR(mvm, "0x%08X | data2\n", table.data2); - IWL_ERR(mvm, "0x%08X | data3\n", table.data3); - IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time); - IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low); - IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi); - IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1); - IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2); - IWL_ERR(mvm, "0x%08X | uCode revision type\n", table.fw_rev_type); - IWL_ERR(mvm, "0x%08X | uCode version major\n", table.major); - IWL_ERR(mvm, "0x%08X | uCode version minor\n", table.minor); - IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver); - IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver); - IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd); - IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0); - IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1); - IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2); - IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3); - IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4); - IWL_ERR(mvm, "0x%08X | last cmd Id\n", table.last_cmd_id); - IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event); - IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control); - IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration); - IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); - IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); - IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); - IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp); - IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); -} - -void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) -{ - if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) { - IWL_ERR(mvm, - "DEVICE_ENABLED bit is not set. Aborting dump.\n"); - return; - } - - iwl_mvm_dump_lmac_error_log(mvm, mvm->error_event_table[0]); - - if (mvm->error_event_table[1]) - iwl_mvm_dump_lmac_error_log(mvm, mvm->error_event_table[1]); - - iwl_mvm_dump_umac_error_log(mvm); -} - -int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, - int tid, int frame_limit, u16 ssn) -{ - struct iwl_scd_txq_cfg_cmd cmd = { - .scd_queue = queue, - .action = SCD_CFG_ENABLE_QUEUE, - .window = frame_limit, - .sta_id = sta_id, - .ssn = cpu_to_le16(ssn), - .tx_fifo = fifo, - .aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE || - queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE), - .tid = tid, - }; - int ret; - - if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) - return -EINVAL; - - if (WARN(mvm->queue_info[queue].tid_bitmap == 0, - "Trying to reconfig unallocated queue %d\n", queue)) - return -ENXIO; - - IWL_DEBUG_TX_QUEUES(mvm, "Reconfig SCD for TXQ #%d\n", queue); - - ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), &cmd); - WARN_ONCE(ret, "Failed to re-configure queue %d on FIFO %d, ret=%d\n", - queue, fifo, ret); - - return ret; -} - /** * iwl_mvm_send_lq_cmd() - Send link quality command - * @sync: This command can be sent synchronously. + * @mvm: Driver data. + * @lq: Link quality command to send. * * The link quality command is sent as the last step of station creation. * This is the special case in which init is set and we call a callback in * this case to clear the state indicating that station creation is in * progress. + * + * Returns: an error code indicating success or failure */ -int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync) +int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq) { struct iwl_host_cmd cmd = { .id = LQ_CMD, .len = { sizeof(struct iwl_lq_cmd), }, - .flags = sync ? 0 : CMD_ASYNC, + .flags = CMD_ASYNC, .data = { lq, }, }; - if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA || + if (WARN_ON(lq->sta_id == IWL_INVALID_STA || iwl_mvm_has_tlc_offload(mvm))) return -EINVAL; @@ -665,18 +260,22 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync) /** * iwl_mvm_update_smps - Get a request to change the SMPS mode + * @mvm: Driver data. + * @vif: Pointer to the ieee80211_vif structure * @req_type: The part of the driver who call for a change. - * @smps_requests: The request to change the SMPS mode. + * @smps_request: The request to change the SMPS mode. + * @link_id: for MLO link_id, otherwise 0 (deflink) * * Get a requst to change the SMPS mode, * and change it according to all other requests in the driver. */ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum iwl_mvm_smps_type_request req_type, - enum ieee80211_smps_mode smps_request) + enum ieee80211_smps_mode smps_request, + unsigned int link_id) { struct iwl_mvm_vif *mvmvif; - enum ieee80211_smps_mode smps_mode; + enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC; int i; lockdep_assert_held(&mvm->mutex); @@ -685,23 +284,132 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return; - if (vif->type == NL80211_IFTYPE_AP) - smps_mode = IEEE80211_SMPS_OFF; - else - smps_mode = IEEE80211_SMPS_AUTOMATIC; + if (vif->type != NL80211_IFTYPE_STATION) + return; + + /* SMPS is handled by firmware */ + if (iwl_mvm_has_rlc_offload(mvm)) + return; mvmvif = iwl_mvm_vif_from_mac80211(vif); - mvmvif->smps_requests[req_type] = smps_request; + + if (WARN_ON_ONCE(!mvmvif->link[link_id])) + return; + + mvmvif->link[link_id]->smps_requests[req_type] = smps_request; for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { - if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC) { + if (mvmvif->link[link_id]->smps_requests[i] == + IEEE80211_SMPS_STATIC) { smps_mode = IEEE80211_SMPS_STATIC; break; } - if (mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) + if (mvmvif->link[link_id]->smps_requests[i] == + IEEE80211_SMPS_DYNAMIC) smps_mode = IEEE80211_SMPS_DYNAMIC; } - ieee80211_request_smps(vif, smps_mode); + /* SMPS is disabled in eSR */ + if (mvmvif->esr_active) + smps_mode = IEEE80211_SMPS_OFF; + + ieee80211_request_smps(vif, link_id, smps_mode); +} + +void iwl_mvm_update_smps_on_active_links(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + enum iwl_mvm_smps_type_request req_type, + enum ieee80211_smps_mode smps_request) +{ + struct ieee80211_bss_conf *link_conf; + unsigned int link_id; + + rcu_read_lock(); + for_each_vif_active_link(vif, link_conf, link_id) + iwl_mvm_update_smps(mvm, vif, req_type, smps_request, + link_id); + rcu_read_unlock(); +} + +static bool iwl_wait_stats_complete(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + WARN_ON(pkt->hdr.cmd != STATISTICS_NOTIFICATION); + + return true; +} + +#define PERIODIC_STAT_RATE 5 + +int iwl_mvm_request_periodic_system_statistics(struct iwl_mvm *mvm, bool enable) +{ + u32 flags = enable ? 0 : IWL_STATS_CFG_FLG_DISABLE_NTFY_MSK; + u32 type = enable ? (IWL_STATS_NTFY_TYPE_ID_OPER | + IWL_STATS_NTFY_TYPE_ID_OPER_PART1) : 0; + struct iwl_system_statistics_cmd system_cmd = { + .cfg_mask = cpu_to_le32(flags), + .config_time_sec = cpu_to_le32(enable ? + PERIODIC_STAT_RATE : 0), + .type_id_mask = cpu_to_le32(type), + }; + + return iwl_mvm_send_cmd_pdu(mvm, + WIDE_ID(SYSTEM_GROUP, + SYSTEM_STATISTICS_CMD), + 0, sizeof(system_cmd), &system_cmd); +} + +static int iwl_mvm_request_system_statistics(struct iwl_mvm *mvm, bool clear, + u8 cmd_ver) +{ + struct iwl_system_statistics_cmd system_cmd = { + .cfg_mask = clear ? + cpu_to_le32(IWL_STATS_CFG_FLG_ON_DEMAND_NTFY_MSK) : + cpu_to_le32(IWL_STATS_CFG_FLG_RESET_MSK | + IWL_STATS_CFG_FLG_ON_DEMAND_NTFY_MSK), + .type_id_mask = cpu_to_le32(IWL_STATS_NTFY_TYPE_ID_OPER | + IWL_STATS_NTFY_TYPE_ID_OPER_PART1), + }; + struct iwl_host_cmd cmd = { + .id = WIDE_ID(SYSTEM_GROUP, SYSTEM_STATISTICS_CMD), + .len[0] = sizeof(system_cmd), + .data[0] = &system_cmd, + }; + struct iwl_notification_wait stats_wait; + static const u16 stats_complete[] = { + WIDE_ID(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF), + }; + int ret; + + if (cmd_ver != 1) { + IWL_FW_CHECK_FAILED(mvm, + "Invalid system statistics command version:%d\n", + cmd_ver); + return -EOPNOTSUPP; + } + + iwl_init_notification_wait(&mvm->notif_wait, &stats_wait, + stats_complete, ARRAY_SIZE(stats_complete), + NULL, NULL); + + mvm->statistics_clear = clear; + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + iwl_remove_notification(&mvm->notif_wait, &stats_wait); + return ret; + } + + /* 500ms for OPERATIONAL, PART1 and END notification should be enough + * for FW to collect data from all LMACs and send + * STATISTICS_NOTIFICATION to host + */ + ret = iwl_wait_notification(&mvm->notif_wait, &stats_wait, HZ / 2); + if (ret) + return ret; + + if (clear) + iwl_mvm_accu_radio_stats(mvm); + + return ret; } int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear) @@ -709,20 +417,65 @@ int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear) struct iwl_statistics_cmd scmd = { .flags = clear ? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR) : 0, }; + struct iwl_host_cmd cmd = { .id = STATISTICS_CMD, .len[0] = sizeof(scmd), .data[0] = &scmd, - .flags = CMD_WANT_SKB, }; + u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, + WIDE_ID(SYSTEM_GROUP, + SYSTEM_STATISTICS_CMD), + IWL_FW_CMD_VER_UNKNOWN); int ret; - ret = iwl_mvm_send_cmd(mvm, &cmd); - if (ret) - return ret; + /* + * Don't request statistics during restart, they'll not have any useful + * information right after restart, nor is clearing needed + */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + return 0; - iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt); - iwl_free_resp(&cmd); + if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) + return iwl_mvm_request_system_statistics(mvm, clear, cmd_ver); + + /* From version 15 - STATISTICS_NOTIFICATION, the reply for + * STATISTICS_CMD is empty, and the response is with + * STATISTICS_NOTIFICATION notification + */ + if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, + STATISTICS_NOTIFICATION, 0) < 15) { + cmd.flags = CMD_WANT_SKB; + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) + return ret; + + iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt); + iwl_free_resp(&cmd); + } else { + struct iwl_notification_wait stats_wait; + static const u16 stats_complete[] = { + STATISTICS_NOTIFICATION, + }; + + iwl_init_notification_wait(&mvm->notif_wait, &stats_wait, + stats_complete, ARRAY_SIZE(stats_complete), + iwl_wait_stats_complete, NULL); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + iwl_remove_notification(&mvm->notif_wait, &stats_wait); + return ret; + } + + /* 200ms should be enough for FW to collect data from all + * LMACs and send STATISTICS_NOTIFICATION to host + */ + ret = iwl_wait_notification(&mvm->notif_wait, &stats_wait, HZ / 5); + if (ret) + return ret; + } if (clear) iwl_mvm_accu_radio_stats(mvm); @@ -738,26 +491,47 @@ void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm) mvm->accu_radio_stats.on_time_scan += mvm->radio_stats.on_time_scan; } +struct iwl_mvm_diversity_iter_data { + struct iwl_mvm_phy_ctxt *ctxt; + bool result; +}; + static void iwl_mvm_diversity_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - bool *result = _data; - int i; + struct iwl_mvm_diversity_iter_data *data = _data; + int i, link_id; - for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { - if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC || - mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) - *result = false; + for_each_mvm_vif_valid_link(mvmvif, link_id) { + struct iwl_mvm_vif_link_info *link_info = mvmvif->link[link_id]; + + if (link_info->phy_ctxt != data->ctxt) + continue; + + for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { + if (link_info->smps_requests[i] == IEEE80211_SMPS_STATIC || + link_info->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) { + data->result = false; + break; + } + } } } -bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) +bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm, + struct iwl_mvm_phy_ctxt *ctxt) { - bool result = true; + struct iwl_mvm_diversity_iter_data data = { + .ctxt = ctxt, + .result = true, + }; lockdep_assert_held(&mvm->mutex); + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) + return false; + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return false; @@ -766,9 +540,9 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_diversity_iter, &result); + iwl_mvm_diversity_iter, &data); - return result; + return data.result; } void iwl_mvm_send_low_latency_cmd(struct iwl_mvm *mvm, @@ -788,8 +562,7 @@ void iwl_mvm_send_low_latency_cmd(struct iwl_mvm *mvm, cmd.low_latency_tx = 1; } - if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(LOW_LATENCY_CMD, - MAC_CONF_GROUP, 0), + if (iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(MAC_CONF_GROUP, LOW_LATENCY_CMD), 0, sizeof(cmd), &cmd)) IWL_ERR(mvm, "Failed to send low latency command\n"); } @@ -837,10 +610,10 @@ static void iwl_mvm_ll_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) if (iwl_mvm_vif_low_latency(mvmvif)) { result->result = true; - if (!mvmvif->phy_ctxt) + if (!mvmvif->deflink.phy_ctxt) return; - band = mvmvif->phy_ctxt->channel->band; + band = mvmvif->deflink.phy_ctxt->channel->band; result->result_per_band[band] = true; } } @@ -896,14 +669,42 @@ struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm) mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_bss_iface_iterator, &bss_iter_data); - if (bss_iter_data.error) { - IWL_ERR(mvm, "More than one managed interface active!\n"); + if (bss_iter_data.error) return ERR_PTR(-EINVAL); - } return bss_iter_data.vif; } +struct iwl_bss_find_iter_data { + struct ieee80211_vif *vif; + u32 macid; +}; + +static void iwl_mvm_bss_find_iface_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_bss_find_iter_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (mvmvif->id == data->macid) + data->vif = vif; +} + +struct ieee80211_vif *iwl_mvm_get_vif_by_macid(struct iwl_mvm *mvm, u32 macid) +{ + struct iwl_bss_find_iter_data data = { + .macid = macid, + }; + + lockdep_assert_held(&mvm->mutex); + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_bss_find_iface_iterator, &data); + + return data.vif; +} + struct iwl_sta_iter_data { bool assoc; }; @@ -916,7 +717,7 @@ static void iwl_mvm_sta_iface_iterator(void *_data, u8 *mac, if (vif->type != NL80211_IFTYPE_STATION) return; - if (vif->bss_conf.assoc) + if (vif->cfg.assoc) data->assoc = true; } @@ -934,58 +735,20 @@ bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm) } unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool tdls, bool cmd_q) + struct ieee80211_vif *vif) { - struct iwl_fw_dbg_trigger_tlv *trigger; - struct iwl_fw_dbg_trigger_txq_timer *txq_timer; unsigned int default_timeout = - cmd_q ? IWL_DEF_WD_TIMEOUT : mvm->cfg->base_params->wd_timeout; + mvm->trans->mac_cfg->base->wd_timeout; - if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS)) { - /* - * We can't know when the station is asleep or awake, so we - * must disable the queue hang detection. - */ - if (fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_STA_PM_NOTIF) && - vif && vif->type == NL80211_IFTYPE_AP) - return IWL_WATCHDOG_DISABLED; - return iwlmvm_mod_params.tfd_q_hang_detect ? - default_timeout : IWL_WATCHDOG_DISABLED; - } - - trigger = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS); - txq_timer = (void *)trigger->data; - - if (tdls) - return le32_to_cpu(txq_timer->tdls); - - if (cmd_q) - return le32_to_cpu(txq_timer->command_queue); - - if (WARN_ON(!vif)) - return default_timeout; - - switch (ieee80211_vif_type_p2p(vif)) { - case NL80211_IFTYPE_ADHOC: - return le32_to_cpu(txq_timer->ibss); - case NL80211_IFTYPE_STATION: - return le32_to_cpu(txq_timer->bss); - case NL80211_IFTYPE_AP: - return le32_to_cpu(txq_timer->softap); - case NL80211_IFTYPE_P2P_CLIENT: - return le32_to_cpu(txq_timer->p2p_client); - case NL80211_IFTYPE_P2P_GO: - return le32_to_cpu(txq_timer->p2p_go); - case NL80211_IFTYPE_P2P_DEVICE: - return le32_to_cpu(txq_timer->p2p_device); - case NL80211_IFTYPE_MONITOR: - return default_timeout; - default: - WARN_ON(1); - return mvm->cfg->base_params->wd_timeout; - } + /* + * We can't know when the station is asleep or awake, so we + * must disable the queue hang detection. + */ + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_STA_PM_NOTIF) && + vif->type == NL80211_IFTYPE_AP) + return IWL_WATCHDOG_DISABLED; + return default_timeout; } void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, @@ -1055,15 +818,9 @@ iwl_mvm_tcm_load(struct iwl_mvm *mvm, u32 airtime, unsigned long elapsed) return IWL_MVM_TRAFFIC_LOW; } -struct iwl_mvm_tcm_iter_data { - struct iwl_mvm *mvm; - bool any_sent; -}; - static void iwl_mvm_tcm_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) { - struct iwl_mvm_tcm_iter_data *data = _data; - struct iwl_mvm *mvm = data->mvm; + struct iwl_mvm *mvm = _data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); bool low_latency, prev = mvmvif->low_latency & LOW_LATENCY_TRAFFIC; @@ -1085,27 +842,18 @@ static void iwl_mvm_tcm_iter(void *_data, u8 *mac, struct ieee80211_vif *vif) } else { iwl_mvm_update_quotas(mvm, false, NULL); } - - data->any_sent = true; } static void iwl_mvm_tcm_results(struct iwl_mvm *mvm) { - struct iwl_mvm_tcm_iter_data data = { - .mvm = mvm, - .any_sent = false, - }; - - mutex_lock(&mvm->mutex); + guard(mvm)(mvm); ieee80211_iterate_active_interfaces( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_tcm_iter, &data); + iwl_mvm_tcm_iter, mvm); if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) iwl_mvm_config_scan(mvm); - - mutex_unlock(&mvm->mutex); } static void iwl_mvm_tcm_uapsd_nonagg_detected_wk(struct work_struct *wk) @@ -1133,35 +881,31 @@ static void iwl_mvm_tcm_uapsd_nonagg_detected_wk(struct work_struct *wk) "AP isn't using AMPDU with uAPSD enabled"); } -static void iwl_mvm_uapsd_agg_disconnect_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) +static void iwl_mvm_uapsd_agg_disconnect(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm *mvm = mvmvif->mvm; - int *mac_id = data; if (vif->type != NL80211_IFTYPE_STATION) return; - if (mvmvif->id != *mac_id) - return; - - if (!vif->bss_conf.assoc) + if (!vif->cfg.assoc) return; - if (!mvmvif->queue_params[IEEE80211_AC_VO].uapsd && - !mvmvif->queue_params[IEEE80211_AC_VI].uapsd && - !mvmvif->queue_params[IEEE80211_AC_BE].uapsd && - !mvmvif->queue_params[IEEE80211_AC_BK].uapsd) + if (!mvmvif->deflink.queue_params[IEEE80211_AC_VO].uapsd && + !mvmvif->deflink.queue_params[IEEE80211_AC_VI].uapsd && + !mvmvif->deflink.queue_params[IEEE80211_AC_BE].uapsd && + !mvmvif->deflink.queue_params[IEEE80211_AC_BK].uapsd) return; - if (mvm->tcm.data[*mac_id].uapsd_nonagg_detect.detected) + if (mvm->tcm.data[mvmvif->id].uapsd_nonagg_detect.detected) return; - mvm->tcm.data[*mac_id].uapsd_nonagg_detect.detected = true; + mvm->tcm.data[mvmvif->id].uapsd_nonagg_detect.detected = true; IWL_INFO(mvm, "detected AP should do aggregation but isn't, likely due to U-APSD\n"); - schedule_delayed_work(&mvmvif->uapsd_nonagg_detected_wk, 15 * HZ); + schedule_delayed_work(&mvmvif->uapsd_nonagg_detected_wk, + 15 * HZ); } static void iwl_mvm_check_uapsd_agg_expected_tpt(struct iwl_mvm *mvm, @@ -1171,6 +915,7 @@ static void iwl_mvm_check_uapsd_agg_expected_tpt(struct iwl_mvm *mvm, u64 bytes = mvm->tcm.data[mac].uapsd_nonagg_detect.rx_bytes; u64 tpt; unsigned long rate; + struct ieee80211_vif *vif; rate = ewma_rate_read(&mvm->tcm.data[mac].uapsd_nonagg_detect.rate); @@ -1199,9 +944,11 @@ static void iwl_mvm_check_uapsd_agg_expected_tpt(struct iwl_mvm *mvm, return; } - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_uapsd_agg_disconnect_iter, &mac); + rcu_read_lock(); + vif = rcu_dereference(mvm->vif_id_to_mac[mac]); + if (vif) + iwl_mvm_uapsd_agg_disconnect(mvm, vif); + rcu_read_unlock(); } static void iwl_mvm_tcm_iterator(void *_data, u8 *mac, @@ -1210,10 +957,10 @@ static void iwl_mvm_tcm_iterator(void *_data, u8 *mac, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); u32 *band = _data; - if (!mvmvif->phy_ctxt) + if (!mvmvif->deflink.phy_ctxt) return; - band[mvmvif->id] = mvmvif->phy_ctxt->channel->band; + band[mvmvif->id] = mvmvif->deflink.phy_ctxt->channel->band; } static unsigned long iwl_mvm_calc_tcm_stats(struct iwl_mvm *mvm, @@ -1284,7 +1031,6 @@ static unsigned long iwl_mvm_calc_tcm_stats(struct iwl_mvm *mvm, } load = iwl_mvm_tcm_load(mvm, total_airtime, elapsed); - mvm->tcm.result.global_change = load != mvm->tcm.result.global_load; mvm->tcm.result.global_load = load; for (i = 0; i < NUM_NL80211_BANDS; i++) { @@ -1336,10 +1082,9 @@ void iwl_mvm_recalc_tcm(struct iwl_mvm *mvm) spin_unlock(&mvm->tcm.lock); if (handle_uapsd && iwl_mvm_has_new_rx_api(mvm)) { - mutex_lock(&mvm->mutex); + guard(mvm)(mvm); if (iwl_mvm_request_statistics(mvm, true)) handle_uapsd = false; - mutex_unlock(&mvm->mutex); } spin_lock(&mvm->tcm.lock); @@ -1428,8 +1173,19 @@ void iwl_mvm_tcm_rm_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) cancel_delayed_work_sync(&mvmvif->uapsd_nonagg_detected_wk); } +u32 iwl_mvm_get_systime(struct iwl_mvm *mvm) +{ + u32 reg_addr = DEVICE_SYSTEM_TIME_REG; + + if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000 && + mvm->trans->mac_cfg->base->gp2_reg_addr) + reg_addr = mvm->trans->mac_cfg->base->gp2_reg_addr; + + return iwl_read_prph(mvm->trans, reg_addr); +} -void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime) +void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, int clock_type, + u32 *gp2, u64 *boottime, ktime_t *realtime) { bool ps_disabled; @@ -1442,11 +1198,212 @@ void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime) iwl_mvm_power_update_device(mvm); } - *gp2 = iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG); - *boottime = ktime_get_boot_ns(); + *gp2 = iwl_mvm_get_systime(mvm); + + if (clock_type == CLOCK_BOOTTIME && boottime) + *boottime = ktime_get_boottime_ns(); + else if (clock_type == CLOCK_REALTIME && realtime) + *realtime = ktime_get_real(); if (!ps_disabled) { mvm->ps_disabled = ps_disabled; iwl_mvm_power_update_device(mvm); } } + +/* Find if at least two links from different vifs use same channel + * FIXME: consider having a refcount array in struct iwl_mvm_vif for + * used phy_ctxt ids. + */ +bool iwl_mvm_have_links_same_channel(struct iwl_mvm_vif *vif1, + struct iwl_mvm_vif *vif2) +{ + unsigned int i, j; + + for_each_mvm_vif_valid_link(vif1, i) { + for_each_mvm_vif_valid_link(vif2, j) { + if (vif1->link[i]->phy_ctxt == vif2->link[j]->phy_ctxt) + return true; + } + } + + return false; +} + +bool iwl_mvm_vif_is_active(struct iwl_mvm_vif *mvmvif) +{ + unsigned int i; + + /* FIXME: can it fail when phy_ctxt is assigned? */ + for_each_mvm_vif_valid_link(mvmvif, i) { + if (mvmvif->link[i]->phy_ctxt && + mvmvif->link[i]->phy_ctxt->id < NUM_PHY_CTX) + return true; + } + + return false; +} + +static u32 iwl_legacy_rate_to_fw_idx(u32 rate_n_flags) +{ + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK_V1; + int idx; + bool ofdm = !(rate_n_flags & RATE_MCS_CCK_MSK_V1); + int offset = ofdm ? IWL_FIRST_OFDM_RATE : 0; + int last = ofdm ? IWL_RATE_COUNT_LEGACY : IWL_FIRST_OFDM_RATE; + + for (idx = offset; idx < last; idx++) + if (iwl_fw_rate_idx_to_plcp(idx) == rate) + return idx - offset; + return IWL_RATE_INVALID; +} + +u32 iwl_mvm_v3_rate_from_fw(__le32 rate, u8 rate_ver) +{ + u32 rate_v3 = 0, rate_v1; + u32 dup = 0; + + if (rate_ver > 1) + return iwl_v3_rate_from_v2_v3(rate, rate_ver >= 3); + + rate_v1 = le32_to_cpu(rate); + if (rate_v1 == 0) + return rate_v1; + /* convert rate */ + if (rate_v1 & RATE_MCS_HT_MSK_V1) { + u32 nss; + + rate_v3 |= RATE_MCS_MOD_TYPE_HT; + rate_v3 |= + rate_v1 & RATE_HT_MCS_RATE_CODE_MSK_V1; + nss = u32_get_bits(rate_v1, RATE_HT_MCS_MIMO2_MSK); + rate_v3 |= u32_encode_bits(nss, RATE_MCS_NSS_MSK); + } else if (rate_v1 & RATE_MCS_VHT_MSK_V1 || + rate_v1 & RATE_MCS_HE_MSK_V1) { + u32 nss = u32_get_bits(rate_v1, RATE_VHT_MCS_NSS_MSK); + + rate_v3 |= rate_v1 & RATE_VHT_MCS_RATE_CODE_MSK; + + rate_v3 |= u32_encode_bits(nss, RATE_MCS_NSS_MSK); + + if (rate_v1 & RATE_MCS_HE_MSK_V1) { + u32 he_type_bits = rate_v1 & RATE_MCS_HE_TYPE_MSK_V1; + u32 he_type = he_type_bits >> RATE_MCS_HE_TYPE_POS_V1; + u32 he_106t = (rate_v1 & RATE_MCS_HE_106T_MSK_V1) >> + RATE_MCS_HE_106T_POS_V1; + u32 he_gi_ltf = (rate_v1 & RATE_MCS_HE_GI_LTF_MSK_V1) >> + RATE_MCS_HE_GI_LTF_POS; + + if ((he_type_bits == RATE_MCS_HE_TYPE_SU || + he_type_bits == RATE_MCS_HE_TYPE_EXT_SU) && + he_gi_ltf == RATE_MCS_HE_SU_4_LTF) + /* the new rate have an additional bit to + * represent the value 4 rather then using SGI + * bit for this purpose - as it was done in the + * old rate + */ + he_gi_ltf += (rate_v1 & RATE_MCS_SGI_MSK_V1) >> + RATE_MCS_SGI_POS_V1; + + rate_v3 |= he_gi_ltf << RATE_MCS_HE_GI_LTF_POS; + rate_v3 |= he_type << RATE_MCS_HE_TYPE_POS; + rate_v3 |= he_106t << RATE_MCS_HE_106T_POS; + rate_v3 |= rate_v1 & RATE_HE_DUAL_CARRIER_MODE_MSK; + rate_v3 |= RATE_MCS_MOD_TYPE_HE; + } else { + rate_v3 |= RATE_MCS_MOD_TYPE_VHT; + } + /* if legacy format */ + } else { + u32 legacy_rate = iwl_legacy_rate_to_fw_idx(rate_v1); + + if (WARN_ON_ONCE(legacy_rate == IWL_RATE_INVALID)) + legacy_rate = (rate_v1 & RATE_MCS_CCK_MSK_V1) ? + IWL_FIRST_CCK_RATE : IWL_FIRST_OFDM_RATE; + + rate_v3 |= legacy_rate; + if (!(rate_v1 & RATE_MCS_CCK_MSK_V1)) + rate_v3 |= RATE_MCS_MOD_TYPE_LEGACY_OFDM; + } + + /* convert flags */ + if (rate_v1 & RATE_MCS_LDPC_MSK_V1) + rate_v3 |= RATE_MCS_LDPC_MSK; + rate_v3 |= (rate_v1 & RATE_MCS_CHAN_WIDTH_MSK_V1) | + (rate_v1 & RATE_MCS_ANT_AB_MSK) | + (rate_v1 & RATE_MCS_STBC_MSK) | + (rate_v1 & RATE_MCS_BF_MSK); + + dup = (rate_v1 & RATE_MCS_DUP_MSK_V1) >> RATE_MCS_DUP_POS_V1; + if (dup) { + rate_v3 |= RATE_MCS_DUP_MSK; + rate_v3 |= dup << RATE_MCS_CHAN_WIDTH_POS; + } + + if ((!(rate_v1 & RATE_MCS_HE_MSK_V1)) && + (rate_v1 & RATE_MCS_SGI_MSK_V1)) + rate_v3 |= RATE_MCS_SGI_MSK; + + return rate_v3; +} + +__le32 iwl_mvm_v3_rate_to_fw(u32 rate, u8 rate_ver) +{ + u32 result = 0; + int rate_idx; + + if (rate_ver > 1) + return iwl_v3_rate_to_v2_v3(rate, rate_ver > 2); + + switch (rate & RATE_MCS_MOD_TYPE_MSK) { + case RATE_MCS_MOD_TYPE_CCK: + result = RATE_MCS_CCK_MSK_V1; + fallthrough; + case RATE_MCS_MOD_TYPE_LEGACY_OFDM: + rate_idx = u32_get_bits(rate, RATE_LEGACY_RATE_MSK); + if (!(result & RATE_MCS_CCK_MSK_V1)) + rate_idx += IWL_FIRST_OFDM_RATE; + result |= u32_encode_bits(iwl_fw_rate_idx_to_plcp(rate_idx), + RATE_LEGACY_RATE_MSK_V1); + break; + case RATE_MCS_MOD_TYPE_HT: + result = RATE_MCS_HT_MSK_V1; + result |= u32_encode_bits(u32_get_bits(rate, + RATE_HT_MCS_CODE_MSK), + RATE_HT_MCS_RATE_CODE_MSK_V1); + result |= u32_encode_bits(u32_get_bits(rate, + RATE_MCS_NSS_MSK), + RATE_HT_MCS_MIMO2_MSK); + break; + case RATE_MCS_MOD_TYPE_VHT: + result = RATE_MCS_VHT_MSK_V1; + result |= u32_encode_bits(u32_get_bits(rate, + RATE_VHT_MCS_NSS_MSK), + RATE_MCS_CODE_MSK); + result |= u32_encode_bits(u32_get_bits(rate, RATE_MCS_NSS_MSK), + RATE_VHT_MCS_NSS_MSK); + break; + case RATE_MCS_MOD_TYPE_HE: /* not generated */ + default: + WARN_ONCE(1, "bad modulation type %d\n", + u32_get_bits(rate, RATE_MCS_MOD_TYPE_MSK)); + return 0; + } + + if (rate & RATE_MCS_LDPC_MSK) + result |= RATE_MCS_LDPC_MSK_V1; + WARN_ON_ONCE(u32_get_bits(rate, RATE_MCS_CHAN_WIDTH_MSK) > + RATE_MCS_CHAN_WIDTH_160_VAL); + result |= (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) | + (rate & RATE_MCS_ANT_AB_MSK) | + (rate & RATE_MCS_STBC_MSK) | + (rate & RATE_MCS_BF_MSK); + + /* not handling DUP since we don't use it */ + WARN_ON_ONCE(rate & RATE_MCS_DUP_MSK); + + if (rate & RATE_MCS_SGI_MSK) + result |= RATE_MCS_SGI_MSK_V1; + + return cpu_to_le32(result); +} |