+++ /dev/null
-/******************************************************************************
- *
- * 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 Intel Deutschland GmbH
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.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
- * 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.
- *
- *****************************************************************************/
-#include <net/mac80211.h>
-
-#include "iwl-debug.h"
-#include "iwl-io.h"
-#include "iwl-prph.h"
-
-#include "mvm.h"
-#include "fw-api-rs.h"
-
-/*
- * Will return 0 even if the cmd failed when RFKILL is asserted unless
- * CMD_WANT_SKB is set in cmd->flags.
- */
-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))
- lockdep_assert_held(&mvm->mutex);
-
- ret = iwl_trans_send_cmd(mvm->trans, 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
- * the command failed.
- */
- if (cmd->flags & CMD_WANT_SKB)
- return ret;
-
- /* Silently ignore failures if RFKILL is asserted */
- if (!ret || ret == -ERFKILL)
- return 0;
- return ret;
-}
-
-int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
- u32 flags, u16 len, const void *data)
-{
- struct iwl_host_cmd cmd = {
- .id = id,
- .len = { len, },
- .data = { data, },
- .flags = flags,
- };
-
- return iwl_mvm_send_cmd(mvm, &cmd);
-}
-
-/*
- * We assume that the caller set the status to the success value
- */
-int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd,
- u32 *status)
-{
- struct iwl_rx_packet *pkt;
- struct iwl_cmd_response *resp;
- int ret, resp_len;
-
- 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.
- */
- if (WARN_ONCE(cmd->flags & (CMD_ASYNC | CMD_WANT_SKB),
- "cmd flags %x", cmd->flags))
- return -EINVAL;
-
- cmd->flags |= CMD_WANT_SKB;
-
- ret = iwl_trans_send_cmd(mvm->trans, cmd);
- if (ret == -ERFKILL) {
- /*
- * The command failed because of RFKILL, don't update
- * the status, leave it as success and return 0.
- */
- return 0;
- } else if (ret) {
- return ret;
- }
-
- pkt = cmd->resp_pkt;
- /* Can happen if RFKILL is asserted */
- if (!pkt) {
- ret = 0;
- goto out_free_resp;
- }
-
- resp_len = iwl_rx_packet_payload_len(pkt);
- if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
- ret = -EIO;
- goto out_free_resp;
- }
-
- resp = (void *)pkt->data;
- *status = le32_to_cpu(resp->status);
- out_free_resp:
- iwl_free_resp(cmd);
- return ret;
-}
-
-/*
- * We assume that the caller set the status to the sucess value
- */
-int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len,
- const void *data, u32 *status)
-{
- struct iwl_host_cmd cmd = {
- .id = id,
- .len = { len, },
- .data = { data, },
- };
-
- 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
-
-/*
- * 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),
-};
-
-int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
- enum ieee80211_band band)
-{
- int rate = rate_n_flags & RATE_LEGACY_RATE_MSK;
- int idx;
- int band_offset = 0;
-
- /* Legacy rate format, search for match in table */
- if (band == IEEE80211_BAND_5GHZ)
- band_offset = IWL_FIRST_OFDM_RATE;
- for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++)
- if (fw_rate_idx_to_plcp[idx] == rate)
- return idx - band_offset;
-
- return -1;
-}
-
-u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx)
-{
- /* Get PLCP rate for tx_cmd->rate_n_flags */
- return fw_rate_idx_to_plcp[rate_idx];
-}
-
-void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_error_resp *err_resp = (void *)pkt->data;
-
- IWL_ERR(mvm, "FW Error notification: type 0x%08X cmd_id 0x%02X\n",
- le32_to_cpu(err_resp->error_type), err_resp->cmd_id);
- 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",
- le64_to_cpu(err_resp->timestamp));
-}
-
-/*
- * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h.
- * The parameter should also be a combination of ANT_[ABC].
- */
-u8 first_antenna(u8 mask)
-{
- BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */
- if (WARN_ON_ONCE(!mask)) /* ffs will return 0 if mask is zeroed */
- return BIT(0);
- return BIT(ffs(mask) - 1);
-}
-
-/*
- * Toggles between TX antennas to send the probe request on.
- * Receives the bitmask of valid TX antennas and the *index* used
- * for the last TX, and returns the next valid *index* to use.
- * In order to set it in the tx_cmd, must do BIT(idx).
- */
-u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx)
-{
- u8 ind = last_idx;
- int i;
-
- for (i = 0; i < RATE_MCS_ANT_NUM; i++) {
- ind = (ind + 1) % RATE_MCS_ANT_NUM;
- if (valid & BIT(ind))
- return ind;
- }
-
- WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid);
- return last_idx;
-}
-
-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_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)
- 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 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 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 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_2 */;
-
-/*
- * 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;
- u32 base;
-
- base = mvm->umac_error_event_table;
-
- if (base < 0x800000) {
- IWL_ERR(mvm,
- "Not valid error log pointer 0x%08X for %s uCode\n",
- base,
- (mvm->cur_ucode == IWL_UCODE_INIT)
- ? "Init" : "RT");
- return;
- }
-
- iwl_trans_read_mem_bytes(trans, base, &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_nic_error_log_old(struct iwl_mvm *mvm)
-{
- struct iwl_trans *trans = mvm->trans;
- struct iwl_error_event_table_v1 table;
- u32 base;
-
- base = mvm->error_event_table;
- if (mvm->cur_ucode == IWL_UCODE_INIT) {
- if (!base)
- base = mvm->fw->init_errlog_ptr;
- } else {
- if (!base)
- base = mvm->fw->inst_errlog_ptr;
- }
-
- if (base < 0x800000) {
- IWL_ERR(mvm,
- "Not valid error log pointer 0x%08X for %s uCode\n",
- base,
- (mvm->cur_ucode == IWL_UCODE_INIT)
- ? "Init" : "RT");
- return;
- }
-
- iwl_trans_read_mem_bytes(trans, base, &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);
- }
-
- /* Do not change this output - scripts rely on it */
-
- IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
-
- trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
- table.data1, table.data2, table.data3,
- table.blink1, table.blink2, table.ilink1,
- table.ilink2, table.bcon_time, table.gp1,
- table.gp2, table.gp3, table.ucode_ver, 0,
- table.hw_ver, table.brd_ver);
- IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
- desc_lookup(table.error_id));
- IWL_ERR(mvm, "0x%08X | uPc\n", table.pc);
- IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1);
- 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 | time gp3\n", table.gp3);
- IWL_ERR(mvm, "0x%08X | uCode version\n", table.ucode_ver);
- 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 | isr_pref\n", table.isr_pref);
- 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);
-
- if (mvm->support_umac_log)
- iwl_mvm_dump_umac_error_log(mvm);
-}
-
-void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
-{
- struct iwl_trans *trans = mvm->trans;
- struct iwl_error_event_table table;
- u32 base;
-
- if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) {
- iwl_mvm_dump_nic_error_log_old(mvm);
- return;
- }
-
- base = mvm->error_event_table;
- if (mvm->cur_ucode == IWL_UCODE_INIT) {
- if (!base)
- base = mvm->fw->init_errlog_ptr;
- } else {
- if (!base)
- base = mvm->fw->inst_errlog_ptr;
- }
-
- if (base < 0x800000) {
- IWL_ERR(mvm,
- "Not valid error log pointer 0x%08X for %s uCode\n",
- base,
- (mvm->cur_ucode == IWL_UCODE_INIT)
- ? "Init" : "RT");
- return;
- }
-
- iwl_trans_read_mem_bytes(trans, base, &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);
- }
-
- /* Do not change this output - scripts rely on it */
-
- IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
-
- trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
- table.data1, table.data2, table.data3,
- table.blink1, table.blink2, table.ilink1,
- table.ilink2, table.bcon_time, table.gp1,
- table.gp2, table.gp3, table.major,
- table.minor, table.hw_ver, table.brd_ver);
- IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
- desc_lookup(table.error_id));
- IWL_ERR(mvm, "0x%08X | uPc\n", table.pc);
- IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1);
- 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 | time gp3\n", table.gp3);
- 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 | isr_pref\n", table.isr_pref);
- 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);
-
- if (mvm->support_umac_log)
- iwl_mvm_dump_umac_error_log(mvm);
-}
-
-int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq)
-{
- int i;
-
- lockdep_assert_held(&mvm->queue_info_lock);
-
- for (i = minq; i <= maxq; i++)
- if (mvm->queue_info[i].hw_queue_refcount == 0 &&
- !mvm->queue_info[i].setup_reserved)
- return i;
-
- return -ENOSPC;
-}
-
-void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
- u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
- unsigned int wdg_timeout)
-{
- bool enable_queue = true;
-
- spin_lock_bh(&mvm->queue_info_lock);
-
- /* Make sure this TID isn't already enabled */
- if (mvm->queue_info[queue].tid_bitmap & BIT(cfg->tid)) {
- spin_unlock_bh(&mvm->queue_info_lock);
- IWL_ERR(mvm, "Trying to enable TXQ with existing TID %d\n",
- cfg->tid);
- return;
- }
-
- /* Update mappings and refcounts */
- mvm->queue_info[queue].hw_queue_to_mac80211 |= BIT(mac80211_queue);
- mvm->queue_info[queue].hw_queue_refcount++;
- if (mvm->queue_info[queue].hw_queue_refcount > 1)
- enable_queue = false;
- mvm->queue_info[queue].tid_bitmap |= BIT(cfg->tid);
-
- IWL_DEBUG_TX_QUEUES(mvm,
- "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
- queue, mvm->queue_info[queue].hw_queue_refcount,
- mvm->queue_info[queue].hw_queue_to_mac80211);
-
- spin_unlock_bh(&mvm->queue_info_lock);
-
- /* Send the enabling command if we need to */
- if (enable_queue) {
- struct iwl_scd_txq_cfg_cmd cmd = {
- .scd_queue = queue,
- .enable = 1,
- .window = cfg->frame_limit,
- .sta_id = cfg->sta_id,
- .ssn = cpu_to_le16(ssn),
- .tx_fifo = cfg->fifo,
- .aggregate = cfg->aggregate,
- .tid = cfg->tid,
- };
-
- iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL,
- wdg_timeout);
- WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd),
- &cmd),
- "Failed to configure queue %d on FIFO %d\n", queue,
- cfg->fifo);
- }
-}
-
-void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
- u8 tid, u8 flags)
-{
- struct iwl_scd_txq_cfg_cmd cmd = {
- .scd_queue = queue,
- .enable = 0,
- };
- bool remove_mac_queue = true;
- int ret;
-
- spin_lock_bh(&mvm->queue_info_lock);
-
- if (WARN_ON(mvm->queue_info[queue].hw_queue_refcount == 0)) {
- spin_unlock_bh(&mvm->queue_info_lock);
- return;
- }
-
- mvm->queue_info[queue].tid_bitmap &= ~BIT(tid);
-
- /*
- * If there is another TID with the same AC - don't remove the MAC queue
- * from the mapping
- */
- if (tid < IWL_MAX_TID_COUNT) {
- unsigned long tid_bitmap =
- mvm->queue_info[queue].tid_bitmap;
- int ac = tid_to_mac80211_ac[tid];
- int i;
-
- for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT) {
- if (tid_to_mac80211_ac[i] == ac)
- remove_mac_queue = false;
- }
- }
-
- if (remove_mac_queue)
- mvm->queue_info[queue].hw_queue_to_mac80211 &=
- ~BIT(mac80211_queue);
- mvm->queue_info[queue].hw_queue_refcount--;
-
- cmd.enable = mvm->queue_info[queue].hw_queue_refcount ? 1 : 0;
-
- IWL_DEBUG_TX_QUEUES(mvm,
- "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
- queue,
- mvm->queue_info[queue].hw_queue_refcount,
- mvm->queue_info[queue].hw_queue_to_mac80211);
-
- /* If the queue is still enabled - nothing left to do in this func */
- if (cmd.enable) {
- spin_unlock_bh(&mvm->queue_info_lock);
- return;
- }
-
- /* Make sure queue info is correct even though we overwrite it */
- WARN(mvm->queue_info[queue].hw_queue_refcount ||
- mvm->queue_info[queue].tid_bitmap ||
- mvm->queue_info[queue].hw_queue_to_mac80211,
- "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n",
- queue, mvm->queue_info[queue].hw_queue_refcount,
- mvm->queue_info[queue].hw_queue_to_mac80211,
- mvm->queue_info[queue].tid_bitmap);
-
- /* If we are here - the queue is freed and we can zero out these vals */
- mvm->queue_info[queue].hw_queue_refcount = 0;
- mvm->queue_info[queue].tid_bitmap = 0;
- mvm->queue_info[queue].hw_queue_to_mac80211 = 0;
-
- spin_unlock_bh(&mvm->queue_info_lock);
-
- iwl_trans_txq_disable(mvm->trans, queue, false);
- ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, flags,
- sizeof(cmd), &cmd);
- if (ret)
- IWL_ERR(mvm, "Failed to disable queue %d (ret=%d)\n",
- queue, ret);
-}
-
-/**
- * iwl_mvm_send_lq_cmd() - Send link quality command
- * @init: This command is sent as part of station initialization right
- * after station has been added.
- *
- * 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.
- */
-int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
-{
- struct iwl_host_cmd cmd = {
- .id = LQ_CMD,
- .len = { sizeof(struct iwl_lq_cmd), },
- .flags = init ? 0 : CMD_ASYNC,
- .data = { lq, },
- };
-
- if (WARN_ON(lq->sta_id == IWL_MVM_STATION_COUNT))
- return -EINVAL;
-
- return iwl_mvm_send_cmd(mvm, &cmd);
-}
-
-/**
- * iwl_mvm_update_smps - Get a request to change the SMPS mode
- * @req_type: The part of the driver who call for a change.
- * @smps_requests: The request to change the SMPS mode.
- *
- * 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)
-{
- struct iwl_mvm_vif *mvmvif;
- enum ieee80211_smps_mode smps_mode;
- int i;
-
- lockdep_assert_held(&mvm->mutex);
-
- /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
- 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;
-
- mvmvif = iwl_mvm_vif_from_mac80211(vif);
- mvmvif->smps_requests[req_type] = smps_request;
- for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) {
- if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC) {
- smps_mode = IEEE80211_SMPS_STATIC;
- break;
- }
- if (mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC)
- smps_mode = IEEE80211_SMPS_DYNAMIC;
- }
-
- ieee80211_request_smps(vif, smps_mode);
-}
-
-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,
- };
- int ret;
-
- ret = iwl_mvm_send_cmd(mvm, &cmd);
- if (ret)
- return ret;
-
- iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt);
- iwl_free_resp(&cmd);
-
- if (clear)
- iwl_mvm_accu_radio_stats(mvm);
-
- return 0;
-}
-
-void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm)
-{
- mvm->accu_radio_stats.rx_time += mvm->radio_stats.rx_time;
- mvm->accu_radio_stats.tx_time += mvm->radio_stats.tx_time;
- mvm->accu_radio_stats.on_time_rf += mvm->radio_stats.on_time_rf;
- mvm->accu_radio_stats.on_time_scan += mvm->radio_stats.on_time_scan;
-}
-
-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;
-
- 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;
- }
-}
-
-bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm)
-{
- bool result = true;
-
- lockdep_assert_held(&mvm->mutex);
-
- if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1)
- return false;
-
- if (mvm->cfg->rx_with_siso_diversity)
- return false;
-
- ieee80211_iterate_active_interfaces_atomic(
- mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
- iwl_mvm_diversity_iter, &result);
-
- return result;
-}
-
-int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- bool value)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- int res;
-
- lockdep_assert_held(&mvm->mutex);
-
- if (mvmvif->low_latency == value)
- return 0;
-
- mvmvif->low_latency = value;
-
- res = iwl_mvm_update_quotas(mvm, false, NULL);
- if (res)
- return res;
-
- iwl_mvm_bt_coex_vif_change(mvm);
-
- return iwl_mvm_power_update_mac(mvm);
-}
-
-static void iwl_mvm_ll_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
-{
- bool *result = _data;
-
- if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif)))
- *result = true;
-}
-
-bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
-{
- bool result = false;
-
- ieee80211_iterate_active_interfaces_atomic(
- mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
- iwl_mvm_ll_iter, &result);
-
- return result;
-}
-
-struct iwl_bss_iter_data {
- struct ieee80211_vif *vif;
- bool error;
-};
-
-static void iwl_mvm_bss_iface_iterator(void *_data, u8 *mac,
- struct ieee80211_vif *vif)
-{
- struct iwl_bss_iter_data *data = _data;
-
- if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
- return;
-
- if (data->vif) {
- data->error = true;
- return;
- }
-
- data->vif = vif;
-}
-
-struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm)
-{
- struct iwl_bss_iter_data bss_iter_data = {};
-
- ieee80211_iterate_active_interfaces_atomic(
- 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");
- return ERR_PTR(-EINVAL);
- }
-
- return bss_iter_data.vif;
-}
-
-unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- bool tdls, bool cmd_q)
-{
- 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;
-
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS))
- 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);
- default:
- WARN_ON(1);
- return mvm->cfg->base_params->wd_timeout;
- }
-}
-
-void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- const char *errmsg)
-{
- struct iwl_fw_dbg_trigger_tlv *trig;
- struct iwl_fw_dbg_trigger_mlme *trig_mlme;
-
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
- goto out;
-
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
- trig_mlme = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
- goto out;
-
- if (trig_mlme->stop_connection_loss &&
- --trig_mlme->stop_connection_loss)
- goto out;
-
- iwl_mvm_fw_dbg_collect_trig(mvm, trig, "%s", errmsg);
-
-out:
- ieee80211_connection_loss(vif);
-}
projects / cascardo / linux.git / blobdiff