From 4b1831e4897437b3b8e812cfa09784ef5d687af9 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 10 Feb 2019 15:59:46 +0200 Subject: iwlwifi: dbg_ini: support HW error trigger Differentiate between SW and HW error interrupts and support ini HW error trigger. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 10 ++++++++++ drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 2 ++ drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 7 +++---- drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 1 + 4 files changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index 13cb164a4fb9..cccf91db74c4 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -458,4 +458,14 @@ static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans, /* This bit is used to differentiate the legacy dump from the ini dump */ #define INI_DUMP_BIT BIT(31) +static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt) +{ + if (fwrt->trans->ini_valid && fwrt->trans->hw_error) { + _iwl_fw_dbg_ini_collect(fwrt, IWL_FW_TRIGGER_ID_FW_HW_ERROR); + fwrt->trans->hw_error = false; + } else { + iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0); + } +} + #endif /* __iwl_fw_dbg_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index cef045d3f1bf..2235978adf70 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -768,6 +768,7 @@ struct iwl_self_init_dram { * @umac_error_event_table: addr of umac error table * @error_event_table_tlv_status: bitmap that indicates what error table * pointers was recevied via TLV. use enum &iwl_error_event_table_status + * @hw_error: equals true if hw error interrupt was received from the FW */ struct iwl_trans { const struct iwl_trans_ops *ops; @@ -831,6 +832,7 @@ struct iwl_trans { u32 umac_error_event_table; unsigned int error_event_table_tlv_status; wait_queue_head_t fw_halt_waitq; + bool hw_error; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 3cc6048d6a10..8e2e4fa7914e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1291,8 +1291,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) * can't recover this since we're already half suspended. */ if (!mvm->fw_restart && fw_error) { - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + iwl_fw_error_collect(&mvm->fwrt); } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; @@ -1340,8 +1339,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) } } - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + iwl_fw_error_collect(&mvm->fwrt); + if (fw_error && mvm->fw_restart > 0) mvm->fw_restart--; set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index abe40196266b..69fcfa930791 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -2207,6 +2207,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) "Hardware error detected. Restarting.\n"); isr_stats->hw++; + trans->hw_error = true; iwl_pcie_irq_handle_error(trans); } -- cgit From bfa34c332964e90f6222b2ff665990484c22f6f2 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Mon, 11 Feb 2019 12:12:08 +0200 Subject: iwlwifi: dbg_ini: enforce always on domain checking Enforce domain checking before sending host commands and collecting memory regions. Currently the driver supports always on domain only. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 65252481a306..caf860b7afff 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1711,6 +1711,10 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, if (!reg) continue; + /* currently the driver supports always on domain only */ + if (le32_to_cpu(reg->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON) + continue; + type = le32_to_cpu(reg->region_type); switch (type) { case IWL_FW_INI_REGION_DEVICE_MEMORY: @@ -2320,6 +2324,10 @@ static void iwl_fw_dbg_send_hcmd(struct iwl_fw_runtime *fwrt, .data = { data->data, }, }; + /* currently the driver supports always on domain only */ + if (le32_to_cpu(hcmd_tlv->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON) + return; + iwl_trans_send_cmd(fwrt->trans, &hcmd); } -- cgit From 4bdb2676d8fdd48fadbb59a945792c0e1811c67e Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 17:28:04 +0200 Subject: iwlwifi: dbg_ini: fix iwl_dump_ini_dev_mem_iter memory base address The driver is using range->start_addr before assigning it a value. Set value into range->start_addr and then use it. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index caf860b7afff..4beec863197e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1090,10 +1090,10 @@ static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, void *range_ptr, int idx) { struct iwl_fw_ini_error_dump_range *range = range_ptr; - u32 addr = le32_to_cpu(range->start_addr); - u32 offset = le32_to_cpu(reg->offset); + u32 addr, offset = le32_to_cpu(reg->offset); range->start_addr = reg->start_addr[idx]; + addr = le32_to_cpu(range->start_addr); range->range_data_size = reg->internal.range_data_size; iwl_trans_read_mem_bytes(fwrt->trans, addr + offset, range->data, le32_to_cpu(reg->internal.range_data_size)); -- cgit From 9802162f98b4e587bd5dbb11c352c04e204bf9f0 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 17:37:27 +0200 Subject: iwlwifi: dbg_ini: add memory offset to the base address of a memory region Add the offset to the base address of a memory region to show the actual addresses being read. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 4beec863197e..78bca27b7809 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1049,14 +1049,14 @@ static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_error_dump_range *range = range_ptr; __le32 *val = range->data; - u32 addr, prph_val, offset = le32_to_cpu(reg->offset); + u32 prph_val; + u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); int i; - range->start_addr = reg->start_addr[idx]; + range->start_addr = cpu_to_le32(addr); range->range_data_size = reg->internal.range_data_size; for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { - addr = le32_to_cpu(range->start_addr) + i; - prph_val = iwl_read_prph(fwrt->trans, addr + offset); + prph_val = iwl_read_prph(fwrt->trans, addr + i); if (prph_val == 0x5a5a5a5a) return -EBUSY; *val++ = cpu_to_le32(prph_val); @@ -1071,16 +1071,13 @@ static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_error_dump_range *range = range_ptr; __le32 *val = range->data; - u32 addr, offset = le32_to_cpu(reg->offset); + u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); int i; - range->start_addr = reg->start_addr[idx]; + range->start_addr = cpu_to_le32(addr); range->range_data_size = reg->internal.range_data_size; - for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { - addr = le32_to_cpu(range->start_addr) + i; - *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, - addr + offset)); - } + for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) + *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, addr + i)); return sizeof(*range) + le32_to_cpu(range->range_data_size); } @@ -1090,12 +1087,11 @@ static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, void *range_ptr, int idx) { struct iwl_fw_ini_error_dump_range *range = range_ptr; - u32 addr, offset = le32_to_cpu(reg->offset); + u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); - range->start_addr = reg->start_addr[idx]; - addr = le32_to_cpu(range->start_addr); + range->start_addr = cpu_to_le32(addr); range->range_data_size = reg->internal.range_data_size; - iwl_trans_read_mem_bytes(fwrt->trans, addr + offset, range->data, + iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, le32_to_cpu(reg->internal.range_data_size)); return sizeof(*range) + le32_to_cpu(range->range_data_size); -- cgit From 990ffe3e81962ff2428ca3d41621dfdd774c8d57 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 12:16:53 +0200 Subject: iwlwifi: dbg_ini: add version to dump header Add version to dump header to allow future changes of the dump struct, once the ini debug flow becomes operational, without breaking backwards compatibility. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 5 +++++ drivers/net/wireless/intel/iwlwifi/fw/error-dump.h | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 78bca27b7809..81ce8a46ff11 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1380,6 +1380,8 @@ static void *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_error_dump *dump = data; + dump->header.version = cpu_to_le32(IWL_INI_DUMP_MEM_VER); + return dump->ranges; } @@ -1402,6 +1404,7 @@ static void MON_BUFF_CYCLE_CNT_VER2); iwl_trans_release_nic_access(fwrt->trans, &flags); + mon_dump->header.version = cpu_to_le32(IWL_INI_DUMP_MONITOR_VER); mon_dump->write_ptr = cpu_to_le32(write_ptr); mon_dump->cycle_cnt = cpu_to_le32(cycle_cnt); @@ -1414,6 +1417,8 @@ static void *iwl_dump_ini_fifo_fill_header(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_fifo_error_dump *dump = data; + dump->header.version = cpu_to_le32(IWL_INI_DUMP_FIFO_VER); + return dump->ranges; } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index ea5513050b56..a2339021153f 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -278,6 +278,10 @@ struct iwl_fw_error_dump_mem { u8 data[]; }; +#define IWL_INI_DUMP_MEM_VER 1 +#define IWL_INI_DUMP_MONITOR_VER 1 +#define IWL_INI_DUMP_FIFO_VER 1 + /** * struct iwl_fw_ini_error_dump_range - range of memory * @start_addr: the start address of this range @@ -292,11 +296,13 @@ struct iwl_fw_ini_error_dump_range { /** * struct iwl_fw_ini_error_dump_header - ini region dump header + * @version: dump version * @num_of_ranges: number of ranges in this region * @name_len: number of bytes allocated to the name string of this region * @name: name of the region */ struct iwl_fw_ini_error_dump_header { + __le32 version; __le32 num_of_ranges; __le32 name_len; u8 name[IWL_FW_INI_MAX_NAME]; -- cgit From 1cdb4d8f2a4b682a5cd9f0138098cddae55dddc3 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 13:16:13 +0200 Subject: iwlwifi: dbg_ini: add region id to the region dump Add the region id of the collected memory to the header of the memory region. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 1 + drivers/net/wireless/intel/iwlwifi/fw/error-dump.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 81ce8a46ff11..a014fb729f48 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1606,6 +1606,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, (*data)->type = cpu_to_le32(type | INI_DUMP_BIT); (*data)->len = cpu_to_le32(ops->get_size(fwrt, reg)); + header->region_id = reg->region_id; header->num_of_ranges = cpu_to_le32(num_of_ranges); header->name_len = cpu_to_le32(min_t(int, IWL_FW_INI_MAX_NAME, le32_to_cpu(reg->name_len))); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index a2339021153f..ac2589bfedb2 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -297,12 +297,14 @@ struct iwl_fw_ini_error_dump_range { /** * struct iwl_fw_ini_error_dump_header - ini region dump header * @version: dump version + * @region_id: id of the region * @num_of_ranges: number of ranges in this region * @name_len: number of bytes allocated to the name string of this region * @name: name of the region */ struct iwl_fw_ini_error_dump_header { __le32 version; + __le32 region_id; __le32 num_of_ranges; __le32 name_len; u8 name[IWL_FW_INI_MAX_NAME]; -- cgit From 186e6c871b92648453ef4b333c1fffdaacbb2035 Mon Sep 17 00:00:00 2001 From: Shaul Triebitz Date: Sun, 17 Feb 2019 10:42:12 +0200 Subject: iwlwifi: trust calling function When initializing or overriding HE band capabilities, no need to check the band validity. Trust the calling function to use a valid band. Signed-off-by: Shaul Triebitz Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index e8ee510fdd4b..40985dc552b8 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -651,12 +651,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = { static void iwl_init_he_hw_capab(struct ieee80211_supported_band *sband, u8 tx_chains, u8 rx_chains) { - if (sband->band == NL80211_BAND_2GHZ || - sband->band == NL80211_BAND_5GHZ) - sband->iftype_data = iwl_he_capa; - else - return; - + sband->iftype_data = iwl_he_capa; sband->n_iftype_data = ARRAY_SIZE(iwl_he_capa); /* If not 2x2, we need to indicate 1x1 in the Midamble RX Max NSTS */ -- cgit From 60eeaf572f3ed00e1ac01bfa43a70369eb32e40d Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 14:08:50 +0200 Subject: iwlwifi: dbg_ini: add registers addresses in fifo dump Add to the fifo dump the registers addresses. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 46 +++++++++++++++------- drivers/net/wireless/intel/iwlwifi/fw/error-dump.h | 15 ++++++- 2 files changed, 45 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index a014fb729f48..a1d6765498a8 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1224,10 +1224,11 @@ static int iwl_dump_ini_txf_iter(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_fifo_error_dump_range *range = range_ptr; struct iwl_ini_txf_iter_data *iter; + struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; u32 offs = le32_to_cpu(reg->offset), addr; u32 registers_size = - le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32); - __le32 *val = range->data; + le32_to_cpu(reg->fifos.num_of_registers) * sizeof(*reg_dump); + __le32 *data; unsigned long flags; int i; @@ -1245,11 +1246,18 @@ static int iwl_dump_ini_txf_iter(struct iwl_fw_runtime *fwrt, iwl_write_prph_no_grab(fwrt->trans, TXF_LARC_NUM + offs, iter->fifo); - /* read txf registers */ + /* + * read txf registers. for each register, write to the dump the + * register address and its value + */ for (i = 0; i < le32_to_cpu(reg->fifos.num_of_registers); i++) { addr = le32_to_cpu(reg->start_addr[i]) + offs; - *val++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + reg_dump->addr = cpu_to_le32(addr); + reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, + addr)); + + reg_dump++; } if (reg->fifos.header_only) { @@ -1266,8 +1274,9 @@ static int iwl_dump_ini_txf_iter(struct iwl_fw_runtime *fwrt, /* Read FIFO */ addr = TXF_READ_MODIFY_DATA + offs; - for (i = 0; i < iter->fifo_size; i += sizeof(__le32)) - *val++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + data = (void *)reg_dump; + for (i = 0; i < iter->fifo_size; i += sizeof(*data)) + *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); out: iwl_trans_release_nic_access(fwrt->trans, &flags); @@ -1323,10 +1332,11 @@ static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, { struct iwl_fw_ini_fifo_error_dump_range *range = range_ptr; struct iwl_ini_rxf_data rxf_data; + struct iwl_fw_ini_error_dump_register *reg_dump = (void *)range->data; u32 offs = le32_to_cpu(reg->offset), addr; u32 registers_size = - le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32); - __le32 *val = range->data; + le32_to_cpu(reg->fifos.num_of_registers) * sizeof(*reg_dump); + __le32 *data; unsigned long flags; int i; @@ -1343,11 +1353,18 @@ static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, range->num_of_registers = reg->fifos.num_of_registers; range->range_data_size = cpu_to_le32(rxf_data.size + registers_size); - /* read rxf registers */ + /* + * read rxf registers. for each register, write to the dump the + * register address and its value + */ for (i = 0; i < le32_to_cpu(reg->fifos.num_of_registers); i++) { addr = le32_to_cpu(reg->start_addr[i]) + offs; - *val++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + reg_dump->addr = cpu_to_le32(addr); + reg_dump->data = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, + addr)); + + reg_dump++; } if (reg->fifos.header_only) { @@ -1365,8 +1382,9 @@ static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, /* Read FIFO */ addr = RXF_FIFO_RD_FENCE_INC + offs; - for (i = 0; i < rxf_data.size; i += sizeof(__le32)) - *val++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); + data = (void *)reg_dump; + for (i = 0; i < rxf_data.size; i += sizeof(*data)) + *data++ = cpu_to_le32(iwl_read_prph_no_grab(fwrt->trans, addr)); out: iwl_trans_release_nic_access(fwrt->trans, &flags); @@ -1525,7 +1543,7 @@ static u32 iwl_dump_ini_txf_get_size(struct iwl_fw_runtime *fwrt, void *fifo_iter = fwrt->dump.fifo_iter; u32 size = 0; u32 fifo_hdr = sizeof(struct iwl_fw_ini_fifo_error_dump_range) + - le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32); + le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32) * 2; fwrt->dump.fifo_iter = &iter; while (iwl_ini_txf_iter(fwrt, reg)) { @@ -1548,7 +1566,7 @@ static u32 iwl_dump_ini_rxf_get_size(struct iwl_fw_runtime *fwrt, struct iwl_ini_rxf_data rx_data; u32 size = sizeof(struct iwl_fw_ini_fifo_error_dump) + sizeof(struct iwl_fw_ini_fifo_error_dump_range) + - le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32); + le32_to_cpu(reg->fifos.num_of_registers) * sizeof(__le32) * 2; if (reg->fifos.header_only) return size; diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index ac2589bfedb2..d6c67960dccd 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -323,13 +323,24 @@ struct iwl_fw_ini_error_dump { /* This bit is used to differentiate between lmac and umac rxf */ #define IWL_RXF_UMAC_BIT BIT(31) +/** + * struct iwl_fw_ini_error_dump_register - ini register dump + * @addr: address of the register + * @data: data of the register + */ +struct iwl_fw_ini_error_dump_register { + __le32 addr; + __le32 data; +} __packed; + /** * struct iwl_fw_ini_fifo_error_dump_range - ini fifo range dump * @fifo_num: the fifo num. In case of rxf and umac rxf, set BIT(31) to * distinguish between lmac and umac * @num_of_registers: num of registers to dump, dword size each - * @range_data_size: the size of the registers and fifo data - * @data: fifo data + * @range_data_size: the size of the data + * @data: consist of + * num_of_registers * (register address + register value) + fifo data */ struct iwl_fw_ini_fifo_error_dump_range { __le32 fifo_num; -- cgit From 192a7e1f731fd9a64216cce35287eb23360437f6 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 19 Feb 2019 14:22:11 +0100 Subject: iwlwifi: mvm: IBSS: use BE FIFO for multicast Back in commit 4d339989acd7 ("iwlwifi: mvm: support ibss in dqa mode") we changed queue selection for IBSS to be: if (ieee80211_is_probe_resp(fc) || ieee80211_is_auth(fc) || ieee80211_is_deauth(fc)) return IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; if (info->hw_queue == info->control.vif->cab_queue) return info->hw_queue; return IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; Clearly, the thought at the time must've been that mac80211 will select the hw_queue as the cab_queue, so that we'll return and use that, where we store the multicast queue for IBSS. This, however, isn't true because mac80211 doesn't implement powersave for IBSS and thus selects the normal IBSS interface AC queue (best effort). This therefore always used the probe response queue, which maps to the BE FIFO. In commit cfbc6c4c5b91 ("iwlwifi: mvm: support mac80211 TXQs model") we rethought this code, and as a consequence now started mapping the multicast traffic to the multicast hardware queue since we no longer relied on mac80211 selecting the queue, doing it ourselves instead. This queue is mapped to the MCAST FIFO. however, this isn't actually enabled/controlled by the firmware in IBSS mode because we don't implement powersave, and frames from this queue can never go out in this case. Therefore, we got queue hang reports such as https://bugzilla.kernel.org/show_bug.cgi?id=201707 Fix this by mapping the multicast queue to the BE FIFO in IBSS so that all the frames can go out. Fixes: cfbc6c4c5b91 ("iwlwifi: mvm: support mac80211 TXQs model") Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 498c315291cf..47eddd6456ab 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2275,7 +2275,8 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) static const u8 _maddr[] = {0x03, 0x00, 0x00, 0x00, 0x00, 0x00}; const u8 *maddr = _maddr; struct iwl_trans_txq_scd_cfg cfg = { - .fifo = IWL_MVM_TX_FIFO_MCAST, + .fifo = vif->type == NL80211_IFTYPE_AP ? + IWL_MVM_TX_FIFO_MCAST : IWL_MVM_TX_FIFO_BE, .sta_id = msta->sta_id, .tid = 0, .aggregate = false, -- cgit From f0e1e1c20d5fc9ff6d94193100ab90d5945a6d08 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 14:13:12 +0200 Subject: iwlwifi: dbg_ini: change memory range base address to u64 AX210 devices will use u64 for the base address to the DRAM monitor buffer. To support this, change the structure for all device families so both address sizes fit. Also move range_data_size to the top of the struct to ease the parsing of the memory range. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 12 ++++++------ drivers/net/wireless/intel/iwlwifi/fw/error-dump.h | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index a1d6765498a8..1b6a850940cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1053,7 +1053,7 @@ static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); int i; - range->start_addr = cpu_to_le32(addr); + range->start_addr = cpu_to_le64(addr); range->range_data_size = reg->internal.range_data_size; for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { prph_val = iwl_read_prph(fwrt->trans, addr + i); @@ -1074,7 +1074,7 @@ static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); int i; - range->start_addr = cpu_to_le32(addr); + range->start_addr = cpu_to_le64(addr); range->range_data_size = reg->internal.range_data_size; for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, addr + i)); @@ -1089,7 +1089,7 @@ static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_error_dump_range *range = range_ptr; u32 addr = le32_to_cpu(reg->start_addr[idx]) + le32_to_cpu(reg->offset); - range->start_addr = cpu_to_le32(addr); + range->start_addr = cpu_to_le64(addr); range->range_data_size = reg->internal.range_data_size; iwl_trans_read_mem_bytes(fwrt->trans, addr, range->data, le32_to_cpu(reg->internal.range_data_size)); @@ -1105,7 +1105,7 @@ iwl_dump_ini_paging_gen2_iter(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_error_dump_range *range = range_ptr; u32 page_size = fwrt->trans->init_dram.paging[idx].size; - range->start_addr = cpu_to_le32(idx); + range->start_addr = cpu_to_le64(idx); range->range_data_size = cpu_to_le32(page_size); memcpy(range->data, fwrt->trans->init_dram.paging[idx].block, page_size); @@ -1125,7 +1125,7 @@ static int iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt, dma_addr_t addr = fwrt->fw_paging_db[idx].fw_paging_phys; u32 page_size = fwrt->fw_paging_db[idx].fw_paging_size; - range->start_addr = cpu_to_le32(idx); + range->start_addr = cpu_to_le64(idx); range->range_data_size = cpu_to_le32(page_size); dma_sync_single_for_cpu(fwrt->trans->dev, addr, page_size, DMA_BIDIRECTIONAL); @@ -1148,7 +1148,7 @@ iwl_dump_ini_mon_dram_iter(struct iwl_fw_runtime *fwrt, if (start_addr == 0x5a5a5a5a) return -EBUSY; - range->start_addr = cpu_to_le32(start_addr); + range->start_addr = cpu_to_le64(start_addr); range->range_data_size = cpu_to_le32(fwrt->trans->fw_mon[idx].size); memcpy(range->data, fwrt->trans->fw_mon[idx].block, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index d6c67960dccd..0df72a99bf05 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -284,13 +284,13 @@ struct iwl_fw_error_dump_mem { /** * struct iwl_fw_ini_error_dump_range - range of memory - * @start_addr: the start address of this range * @range_data_size: the size of this range, in bytes + * @start_addr: the start address of this range * @data: the actual memory */ struct iwl_fw_ini_error_dump_range { - __le32 start_addr; __le32 range_data_size; + __le64 start_addr; __le32 data[]; } __packed; -- cgit From d63916aeba5768a9aedcd3bfddf32ffff4dae076 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 14:46:22 +0200 Subject: iwlwifi: dbg_ini: fix the dram monitor header size Add sizeof(struct iwl_fw_ini_error_dump_range) to the header of the dram monitor. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 1b6a850940cf..6f681060245e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1528,7 +1528,8 @@ static u32 iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt, static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_region_cfg *reg) { - u32 size = sizeof(struct iwl_fw_ini_monitor_dram_dump); + u32 size = sizeof(struct iwl_fw_ini_monitor_dram_dump) + + sizeof(struct iwl_fw_ini_error_dump_range); if (fwrt->trans->num_blocks) size += fwrt->trans->fw_mon[0].size; -- cgit From 4c704534c38fb1125b111fd4ffc8a36d79dd7339 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 17:07:53 +0200 Subject: iwlwifi: dbg_ini: add monitor header to smem monitor Add write pointer and cycle count registers to smem monitor header. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/cfg/22000.c | 6 +- drivers/net/wireless/intel/iwlwifi/cfg/9000.c | 10 +- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 101 +++++++++++++++++---- drivers/net/wireless/intel/iwlwifi/fw/error-dump.h | 6 +- drivers/net/wireless/intel/iwlwifi/iwl-config.h | 4 + 5 files changed, 104 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index 32c989eda3c4..33c95663914d 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -180,7 +180,11 @@ static const struct iwl_ht_params iwl_22000_ht_params = { .dbgc_supported = true, \ .min_umac_error_event_table = 0x400000, \ .d3_debug_data_base_addr = 0x401000, \ - .d3_debug_data_length = 60 * 1024 + .d3_debug_data_length = 60 * 1024, \ + .fw_mon_smem_write_ptr_addr = 0xa0c16c, \ + .fw_mon_smem_write_ptr_msk = 0xfffff, \ + .fw_mon_smem_cycle_cnt_ptr_addr = 0xa0c174, \ + .fw_mon_smem_cycle_cnt_ptr_msk = 0xfffff #define IWL_DEVICE_AX200_COMMON \ IWL_DEVICE_22000_COMMON, \ diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c index 3225b64eb845..41bdd0eaf62c 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018 - 2019 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 @@ -20,7 +20,7 @@ * BSD LICENSE * * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -148,7 +148,11 @@ static const struct iwl_tt_params iwl9000_tt_params = { .d3_debug_data_length = 92 * 1024, \ .ht_params = &iwl9000_ht_params, \ .nvm_ver = IWL9000_NVM_VERSION, \ - .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K + .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \ + .fw_mon_smem_write_ptr_addr = 0xa0476c, \ + .fw_mon_smem_write_ptr_msk = 0xfffff, \ + .fw_mon_smem_cycle_cnt_ptr_addr = 0xa04774, \ + .fw_mon_smem_cycle_cnt_ptr_msk = 0xfffff const struct iwl_cfg iwl9160_2ac_cfg = { diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 6f681060245e..87da6125683a 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1404,29 +1404,80 @@ static void *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, } static void -*iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, - struct iwl_fw_ini_region_cfg *reg, - void *data) +*iwl_dump_ini_mon_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_region_cfg *reg, + struct iwl_fw_ini_monitor_dump *data, + u32 write_ptr_addr, u32 write_ptr_msk, + u32 cycle_cnt_addr, u32 cycle_cnt_msk) { - struct iwl_fw_ini_monitor_dram_dump *mon_dump = (void *)data; u32 write_ptr, cycle_cnt; unsigned long flags; if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) { - IWL_ERR(fwrt, "Failed to get DRAM monitor header\n"); + IWL_ERR(fwrt, "Failed to get monitor header\n"); return NULL; } - write_ptr = iwl_read_umac_prph_no_grab(fwrt->trans, - MON_BUFF_WRPTR_VER2); - cycle_cnt = iwl_read_umac_prph_no_grab(fwrt->trans, - MON_BUFF_CYCLE_CNT_VER2); + + write_ptr = iwl_read_prph_no_grab(fwrt->trans, write_ptr_addr); + cycle_cnt = iwl_read_prph_no_grab(fwrt->trans, cycle_cnt_addr); + iwl_trans_release_nic_access(fwrt->trans, &flags); - mon_dump->header.version = cpu_to_le32(IWL_INI_DUMP_MONITOR_VER); - mon_dump->write_ptr = cpu_to_le32(write_ptr); - mon_dump->cycle_cnt = cpu_to_le32(cycle_cnt); + data->header.version = cpu_to_le32(IWL_INI_DUMP_MONITOR_VER); + data->write_ptr = cpu_to_le32(write_ptr & write_ptr_msk); + data->cycle_cnt = cpu_to_le32(cycle_cnt & cycle_cnt_msk); + + return data->ranges; +} + +static void +*iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_region_cfg *reg, + void *data) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + u32 write_ptr_addr, write_ptr_msk, cycle_cnt_addr, cycle_cnt_msk; + + switch (fwrt->trans->cfg->device_family) { + case IWL_DEVICE_FAMILY_9000: + case IWL_DEVICE_FAMILY_22000: + write_ptr_addr = MON_BUFF_WRPTR_VER2; + write_ptr_msk = -1; + cycle_cnt_addr = MON_BUFF_CYCLE_CNT_VER2; + cycle_cnt_msk = -1; + break; + default: + IWL_ERR(fwrt, "Unsupported device family %d\n", + fwrt->trans->cfg->device_family); + return NULL; + } + + return iwl_dump_ini_mon_fill_header(fwrt, reg, mon_dump, write_ptr_addr, + write_ptr_msk, cycle_cnt_addr, + cycle_cnt_msk); +} + +static void +*iwl_dump_ini_mon_smem_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_region_cfg *reg, + void *data) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + const struct iwl_cfg *cfg = fwrt->trans->cfg; + + if (fwrt->trans->cfg->device_family != IWL_DEVICE_FAMILY_9000 && + fwrt->trans->cfg->device_family != IWL_DEVICE_FAMILY_22000) { + IWL_ERR(fwrt, "Unsupported device family %d\n", + fwrt->trans->cfg->device_family); + return NULL; + } + + return iwl_dump_ini_mon_fill_header(fwrt, reg, mon_dump, + cfg->fw_mon_smem_write_ptr_addr, + cfg->fw_mon_smem_write_ptr_msk, + cfg->fw_mon_smem_cycle_cnt_ptr_addr, + cfg->fw_mon_smem_cycle_cnt_ptr_msk); - return mon_dump->ranges; } static void *iwl_dump_ini_fifo_fill_header(struct iwl_fw_runtime *fwrt, @@ -1528,7 +1579,7 @@ static u32 iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt, static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_region_cfg *reg) { - u32 size = sizeof(struct iwl_fw_ini_monitor_dram_dump) + + u32 size = sizeof(struct iwl_fw_ini_monitor_dump) + sizeof(struct iwl_fw_ini_error_dump_range); if (fwrt->trans->num_blocks) @@ -1537,6 +1588,15 @@ static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt, return size; } +static u32 iwl_dump_ini_mon_smem_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_region_cfg *reg) +{ + return sizeof(struct iwl_fw_ini_monitor_dump) + + iwl_dump_ini_mem_ranges(fwrt, reg) * + (sizeof(struct iwl_fw_ini_error_dump_range) + + le32_to_cpu(reg->internal.range_data_size)); +} + static u32 iwl_dump_ini_txf_get_size(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_region_cfg *reg) { @@ -1677,7 +1737,6 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, case IWL_FW_INI_REGION_PERIPHERY_MAC: case IWL_FW_INI_REGION_PERIPHERY_PHY: case IWL_FW_INI_REGION_PERIPHERY_AUX: - case IWL_FW_INI_REGION_INTERNAL_BUFFER: case IWL_FW_INI_REGION_CSR: size += hdr_len + iwl_dump_ini_mem_get_size(fwrt, reg); break; @@ -1703,6 +1762,10 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, size += hdr_len + iwl_dump_ini_mon_dram_get_size(fwrt, reg); break; + case IWL_FW_INI_REGION_INTERNAL_BUFFER: + size += hdr_len + + iwl_dump_ini_mon_smem_get_size(fwrt, reg); + break; case IWL_FW_INI_REGION_DRAM_IMR: /* Undefined yet */ default: @@ -1739,7 +1802,6 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, type = le32_to_cpu(reg->region_type); switch (type) { case IWL_FW_INI_REGION_DEVICE_MEMORY: - case IWL_FW_INI_REGION_INTERNAL_BUFFER: ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; ops.get_size = iwl_dump_ini_mem_get_size; ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; @@ -1762,6 +1824,13 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.fill_range = iwl_dump_ini_mon_dram_iter; iwl_dump_ini_mem(fwrt, type, data, reg, &ops); break; + case IWL_FW_INI_REGION_INTERNAL_BUFFER: + ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; + ops.get_size = iwl_dump_ini_mon_smem_get_size; + ops.fill_mem_hdr = iwl_dump_ini_mon_smem_fill_header; + ops.fill_range = iwl_dump_ini_dev_mem_iter; + iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + break; case IWL_FW_INI_REGION_PAGING: { ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; if (iwl_fw_dbg_is_paging_enabled(fwrt)) { diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h index 0df72a99bf05..260097c75427 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h @@ -374,13 +374,13 @@ struct iwl_fw_error_dump_rb { }; /** - * struct iwl_fw_ini_monitor_dram_dump - ini dram monitor dump + * struct iwl_fw_ini_monitor_dump - ini monitor dump * @header - header of the region - * @write_ptr - write pointer position in the dram + * @write_ptr - write pointer position in the buffer * @cycle_cnt - cycles count * @ranges - the memory ranges of this this region */ -struct iwl_fw_ini_monitor_dram_dump { +struct iwl_fw_ini_monitor_dump { struct iwl_fw_ini_error_dump_header header; __le32 write_ptr; __le32 cycle_cnt; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index 877d53355a58..76c1e44b7bdc 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -452,6 +452,10 @@ struct iwl_cfg { u32 d3_debug_data_length; u32 min_txq_size; u32 umac_prph_offset; + u32 fw_mon_smem_write_ptr_addr; + u32 fw_mon_smem_write_ptr_msk; + u32 fw_mon_smem_cycle_cnt_ptr_addr; + u32 fw_mon_smem_cycle_cnt_ptr_msk; }; extern const struct iwl_csr_params iwl_csr_v1; -- cgit From 0bfefe2f41dd5bd60c7b695e450fc3a931875980 Mon Sep 17 00:00:00 2001 From: Liad Kaufman Date: Wed, 20 Feb 2019 05:05:00 +0200 Subject: iwlwifi: mvm: fix pointer reference when setting HE QAM thres Pointer referencing when setting HE QAM thresholds (when nominal packet padding bit is on) caused kernel crash due to bad referencing. Fix that. Signed-off-by: Liad Kaufman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 1cad9238e45a..ed866deddb5f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2339,16 +2339,18 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, /* Set the PPE thresholds accordingly */ if (low_th >= 0 && high_th >= 0) { - u8 ***pkt_ext_qam = - (void *)sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th; + struct iwl_he_pkt_ext *pkt_ext = + (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; for (i = 0; i < MAX_HE_SUPP_NSS; i++) { u8 bw; for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { - pkt_ext_qam[i][bw][0] = low_th; - pkt_ext_qam[i][bw][1] = high_th; + pkt_ext->pkt_ext_qam_th[i][bw][0] = + low_th; + pkt_ext->pkt_ext_qam_th[i][bw][1] = + high_th; } } -- cgit From 84294b5be15acb1c4eaf9264e33d93b1da3257cf Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 17:15:31 +0200 Subject: iwlwifi: dbg_ini: remove redundant curly brackets from trigger collection flow remove redundant curly brackets from iwl_fw_ini_dump_trigger and iwl_fw_ini_get_trigger_len Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 87da6125683a..3709e90b55f1 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1746,7 +1746,7 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, case IWL_FW_INI_REGION_RXF: size += hdr_len + iwl_dump_ini_rxf_get_size(fwrt, reg); break; - case IWL_FW_INI_REGION_PAGING: { + case IWL_FW_INI_REGION_PAGING: size += hdr_len; if (iwl_fw_dbg_is_paging_enabled(fwrt)) { size += iwl_dump_ini_paging_get_size(fwrt, reg); @@ -1755,7 +1755,6 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, reg); } break; - } case IWL_FW_INI_REGION_DRAM_BUFFER: if (!fwrt->trans->num_blocks) break; @@ -1831,7 +1830,7 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.fill_range = iwl_dump_ini_dev_mem_iter; iwl_dump_ini_mem(fwrt, type, data, reg, &ops); break; - case IWL_FW_INI_REGION_PAGING: { + case IWL_FW_INI_REGION_PAGING: ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; if (iwl_fw_dbg_is_paging_enabled(fwrt)) { ops.get_num_of_ranges = @@ -1848,7 +1847,6 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, iwl_dump_ini_mem(fwrt, type, data, reg, &ops); break; - } case IWL_FW_INI_REGION_TXF: { struct iwl_ini_txf_iter_data iter = { .init = true }; void *fifo_iter = fwrt->dump.fifo_iter; -- cgit From 33a403861572e7e10656fa89f6c0b9cd14ff2bd6 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Sun, 17 Feb 2019 17:21:33 +0200 Subject: iwlwifi: dbg_ini: remove redundant type argument from iwl_dump_ini_mem Since iwl_dump_ini_mem receive struct iwl_fw_ini_region_cfg which holds the region type, there is no point to pass the type separately. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 3709e90b55f1..95804feaeb75 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1664,17 +1664,17 @@ struct iwl_dump_ini_mem_ops { * @fwrt: fw runtime struct. * @data: dump memory data. * @reg: region to copy to the dump. + * @ops: memory dump operations. */ static void iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, - enum iwl_fw_ini_region_type type, struct iwl_fw_error_dump_data **data, struct iwl_fw_ini_region_cfg *reg, struct iwl_dump_ini_mem_ops *ops) { struct iwl_fw_ini_error_dump_header *header = (void *)(*data)->data; + u32 num_of_ranges, i, type = le32_to_cpu(reg->region_type); void *range; - u32 num_of_ranges, i; if (WARN_ON(!ops || !ops->get_num_of_ranges || !ops->get_size || !ops->fill_mem_hdr || !ops->fill_range)) @@ -1722,7 +1722,6 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, for (i = 0; i < le32_to_cpu(trigger->num_regions); i++) { u32 reg_id = le32_to_cpu(trigger->data[i]); struct iwl_fw_ini_region_cfg *reg; - enum iwl_fw_ini_region_type type; if (WARN_ON(reg_id >= ARRAY_SIZE(fwrt->dump.active_regs))) continue; @@ -1731,8 +1730,7 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, if (WARN(!reg, "Unassigned region %d\n", reg_id)) continue; - type = le32_to_cpu(reg->region_type); - switch (type) { + switch (le32_to_cpu(reg->region_type)) { case IWL_FW_INI_REGION_DEVICE_MEMORY: case IWL_FW_INI_REGION_PERIPHERY_MAC: case IWL_FW_INI_REGION_PERIPHERY_PHY: @@ -1782,7 +1780,6 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, for (i = 0; i < num; i++) { u32 reg_id = le32_to_cpu(trigger->data[i]); - enum iwl_fw_ini_region_type type; struct iwl_fw_ini_region_cfg *reg; struct iwl_dump_ini_mem_ops ops; @@ -1798,14 +1795,13 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, if (le32_to_cpu(reg->domain) != IWL_FW_INI_DBG_DOMAIN_ALWAYS_ON) continue; - type = le32_to_cpu(reg->region_type); - switch (type) { + switch (le32_to_cpu(reg->region_type)) { case IWL_FW_INI_REGION_DEVICE_MEMORY: ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; ops.get_size = iwl_dump_ini_mem_get_size; ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; ops.fill_range = iwl_dump_ini_dev_mem_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_PERIPHERY_MAC: case IWL_FW_INI_REGION_PERIPHERY_PHY: @@ -1814,21 +1810,21 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.get_size = iwl_dump_ini_mem_get_size; ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; ops.fill_range = iwl_dump_ini_prph_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_DRAM_BUFFER: ops.get_num_of_ranges = iwl_dump_ini_mon_dram_ranges; ops.get_size = iwl_dump_ini_mon_dram_get_size; ops.fill_mem_hdr = iwl_dump_ini_mon_dram_fill_header; ops.fill_range = iwl_dump_ini_mon_dram_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_INTERNAL_BUFFER: ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; ops.get_size = iwl_dump_ini_mon_smem_get_size; ops.fill_mem_hdr = iwl_dump_ini_mon_smem_fill_header; ops.fill_range = iwl_dump_ini_dev_mem_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_PAGING: ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; @@ -1845,7 +1841,7 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.fill_range = iwl_dump_ini_paging_gen2_iter; } - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_TXF: { struct iwl_ini_txf_iter_data iter = { .init = true }; @@ -1856,7 +1852,7 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.get_size = iwl_dump_ini_txf_get_size; ops.fill_mem_hdr = iwl_dump_ini_fifo_fill_header; ops.fill_range = iwl_dump_ini_txf_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); fwrt->dump.fifo_iter = fifo_iter; break; } @@ -1865,14 +1861,14 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, ops.get_size = iwl_dump_ini_rxf_get_size; ops.fill_mem_hdr = iwl_dump_ini_fifo_fill_header; ops.fill_range = iwl_dump_ini_rxf_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_CSR: ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; ops.get_size = iwl_dump_ini_mem_get_size; ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; ops.fill_range = iwl_dump_ini_csr_iter; - iwl_dump_ini_mem(fwrt, type, data, reg, &ops); + iwl_dump_ini_mem(fwrt, data, reg, &ops); break; case IWL_FW_INI_REGION_DRAM_IMR: /* This is undefined yet */ -- cgit From 30eba3f9a454a7dbaf602e2aa4f5b3df18030be5 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Tue, 19 Feb 2019 15:34:09 +0200 Subject: iwlwifi: dbg_ini: apply rx fifo offset after reading the region registers The region registers comes in abolute value so read the registers before applying the rx fifo offset. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 95804feaeb75..f3f00bc9fb48 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1347,8 +1347,6 @@ static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) return -EBUSY; - offs += rxf_data.offset; - range->fifo_num = cpu_to_le32(rxf_data.fifo_num); range->num_of_registers = reg->fifos.num_of_registers; range->range_data_size = cpu_to_le32(rxf_data.size + registers_size); @@ -1372,6 +1370,12 @@ static int iwl_dump_ini_rxf_iter(struct iwl_fw_runtime *fwrt, goto out; } + /* + * region register have absolute value so apply rxf offset after + * reading the registers + */ + offs += rxf_data.offset; + /* Lock fence */ iwl_write_prph_no_grab(fwrt->trans, RXF_SET_FENCE_MODE + offs, 0x1); /* Set fence pointer to the same place like WR pointer */ -- cgit From 3f7fbc8cc11e2a305247a908bc67bb5f571fbf00 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 20 Feb 2019 22:15:17 +0100 Subject: iwlwifi: mvm: remove buggy and unnecessary hw_queue initialization After converting the driver to TXQs, it no longer has any reason to initialize vif->hw_queue/vif->cab_queue since it no longer sets the HW_QUEUE_CONTROL flag. Remove the code that initialized those, it was broken due to relying on an uninitialized stack value in used_hw_queues, as Colin reported. Reported-by: Colin Ian King Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 36 ++--------------------- 1 file changed, 3 insertions(+), 33 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index f24d73700ad6..76bf7fbc0446 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -262,9 +262,7 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) .preferred_tsf = NUM_TSF_IDS, .found_vif = false, }; - u32 ac; - int ret, i, queue_limit; - unsigned long used_hw_queues; + int ret, i; lockdep_assert_held(&mvm->mutex); @@ -341,37 +339,9 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) INIT_LIST_HEAD(&mvmvif->time_event_data.list); mvmvif->time_event_data.id = TE_MAX; - /* No need to allocate data queues to P2P Device MAC.*/ - if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) - vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE; - + /* No need to allocate data queues to P2P Device MAC and NAN.*/ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) return 0; - } - - /* - * queues in mac80211 almost entirely independent of - * the ones here - no real limit - */ - queue_limit = IEEE80211_MAX_QUEUES; - - /* - * Find available queues, and allocate them to the ACs. When in - * DQA-mode they aren't really used, and this is done only so the - * mac80211 ieee80211_check_queues() function won't fail - */ - for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { - u8 queue = find_first_zero_bit(&used_hw_queues, queue_limit); - - if (queue >= queue_limit) { - IWL_ERR(mvm, "Failed to allocate queue\n"); - ret = -EIO; - goto exit_fail; - } - - __set_bit(queue, &used_hw_queues); - vif->hw_queue[ac] = queue; - } /* Allocate the CAB queue for softAP and GO interfaces */ if (vif->type == NL80211_IFTYPE_AP || -- cgit From c9af7528c3311a5c20dccf915ef1a8db623053f7 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 22 Jan 2019 16:21:23 +0100 Subject: iwlwifi: mvm: no need to check return value of debugfs_create functions When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Johannes Berg Cc: Emmanuel Grumbach Cc: Luca Coelho Cc: Intel Linux Wireless Cc: Kalle Valo Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Luca Coelho --- .../net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 17 +---- drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 89 ++++++++-------------- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 7 +- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 12 +-- drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 8 +- 5 files changed, 38 insertions(+), 95 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 2453ceabf00d..9bf2407c9b4b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -743,9 +743,8 @@ static ssize_t iwl_dbgfs_quota_min_read(struct file *file, #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \ - if (!debugfs_create_file(#name, mode, parent, vif, \ - &iwl_dbgfs_##name##_ops)) \ - goto err; \ + debugfs_create_file(#name, mode, parent, vif, \ + &iwl_dbgfs_##name##_ops); \ } while (0) MVM_DEBUGFS_READ_FILE_OPS(mac_params); @@ -775,12 +774,6 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); - if (!mvmvif->dbgfs_dir) { - IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n", - dbgfs_dir); - return; - } - if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM && ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) || (vif->type == NL80211_IFTYPE_STATION && vif->p2p))) @@ -812,12 +805,6 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, mvm->debugfs_dir, buf); - if (!mvmvif->dbgfs_slink) - IWL_ERR(mvm, "Can't create debugfs symbolic link under %pd\n", - dbgfs_dir); - return; -err: - IWL_ERR(mvm, "Can't create debugfs entity\n"); } void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 472d330661d3..d4ff6b44de2c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1696,9 +1696,8 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ - if (!debugfs_create_file(alias, mode, parent, mvm, \ - &iwl_dbgfs_##name##_ops)) \ - goto err; \ + debugfs_create_file(alias, mode, parent, mvm, \ + &iwl_dbgfs_##name##_ops); \ } while (0) #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) @@ -1709,9 +1708,8 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) #define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \ - if (!debugfs_create_file(alias, mode, parent, sta, \ - &iwl_dbgfs_##name##_ops)) \ - goto err; \ + debugfs_create_file(alias, mode, parent, sta, \ + &iwl_dbgfs_##name##_ops); \ } while (0) #define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \ MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode) @@ -2092,13 +2090,9 @@ void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, if (iwl_mvm_has_tlc_offload(mvm)) MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400); - - return; -err: - IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n"); } -int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) +void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) { struct dentry *bcast_dir __maybe_unused; char buf[100]; @@ -2142,14 +2136,10 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) #endif MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); - if (!debugfs_create_bool("enable_scan_iteration_notif", - 0600, - mvm->debugfs_dir, - &mvm->scan_iter_notif_enabled)) - goto err; - if (!debugfs_create_bool("drop_bcn_ap_mode", 0600, - mvm->debugfs_dir, &mvm->drop_bcn_ap_mode)) - goto err; + debugfs_create_bool("enable_scan_iteration_notif", 0600, + mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); + debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, + &mvm->drop_bcn_ap_mode); MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); @@ -2157,13 +2147,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { bcast_dir = debugfs_create_dir("bcast_filtering", mvm->debugfs_dir); - if (!bcast_dir) - goto err; - if (!debugfs_create_bool("override", 0600, - bcast_dir, - &mvm->dbgfs_bcast_filtering.override)) - goto err; + debugfs_create_bool("override", 0600, bcast_dir, + &mvm->dbgfs_bcast_filtering.override); MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, bcast_dir, 0600); @@ -2175,35 +2161,26 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) #ifdef CONFIG_PM_SLEEP MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, 0600); MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); - if (!debugfs_create_bool("d3_wake_sysassert", 0600, - mvm->debugfs_dir, &mvm->d3_wake_sysassert)) - goto err; - if (!debugfs_create_u32("last_netdetect_scans", 0400, - mvm->debugfs_dir, &mvm->last_netdetect_scans)) - goto err; + debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, + &mvm->d3_wake_sysassert); + debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, + &mvm->last_netdetect_scans); #endif - if (!debugfs_create_u8("ps_disabled", 0400, - mvm->debugfs_dir, &mvm->ps_disabled)) - goto err; - if (!debugfs_create_blob("nvm_hw", 0400, - mvm->debugfs_dir, &mvm->nvm_hw_blob)) - goto err; - if (!debugfs_create_blob("nvm_sw", 0400, - mvm->debugfs_dir, &mvm->nvm_sw_blob)) - goto err; - if (!debugfs_create_blob("nvm_calib", 0400, - mvm->debugfs_dir, &mvm->nvm_calib_blob)) - goto err; - if (!debugfs_create_blob("nvm_prod", 0400, - mvm->debugfs_dir, &mvm->nvm_prod_blob)) - goto err; - if (!debugfs_create_blob("nvm_phy_sku", 0400, - mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) - goto err; - if (!debugfs_create_blob("nvm_reg", S_IRUSR, - mvm->debugfs_dir, &mvm->nvm_reg_blob)) - goto err; + debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, + &mvm->ps_disabled); + debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, + &mvm->nvm_hw_blob); + debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, + &mvm->nvm_sw_blob); + debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, + &mvm->nvm_calib_blob); + debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, + &mvm->nvm_prod_blob); + debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, + &mvm->nvm_phy_sku_blob); + debugfs_create_blob("nvm_reg", S_IRUSR, + mvm->debugfs_dir, &mvm->nvm_reg_blob); debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops); @@ -2212,11 +2189,5 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) * exists (before the opmode exists which removes the target.) */ snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent); - if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) - goto err; - - return 0; -err: - IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); - return -ENOMEM; + debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 61b6dbc83600..45d7a868e759 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1786,14 +1786,13 @@ void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, /* MVM debugfs */ #ifdef CONFIG_IWLWIFI_DEBUGFS -int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); +void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); #else -static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, - struct dentry *dbgfs_dir) +static inline void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, + struct dentry *dbgfs_dir) { - return 0; } static inline void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 8e2e4fa7914e..55d399899d1c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -862,9 +862,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, min_backoff = iwl_mvm_min_backoff(mvm); iwl_mvm_thermal_initialize(mvm, min_backoff); - err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); - if (err) - goto out_unregister; + iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (!iwl_mvm_has_new_rx_stats_api(mvm)) memset(&mvm->rx_stats_v3, 0, @@ -881,14 +879,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, return op_mode; - out_unregister: - if (iwlmvm_mod_params.init_dbg) - return op_mode; - - ieee80211_unregister_hw(mvm->hw); - mvm->hw_registered = false; - iwl_mvm_leds_exit(mvm); - iwl_mvm_thermal_exit(mvm); out_free: iwl_fw_flush_dump(&mvm->fwrt); iwl_fw_runtime_free(&mvm->fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index e231a44d2423..c182821ab22b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -4078,9 +4078,8 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf, #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_lq_sta) #define MVM_DEBUGFS_ADD_FILE_RS(name, parent, mode) do { \ - if (!debugfs_create_file(#name, mode, parent, lq_sta, \ - &iwl_dbgfs_##name##_ops)) \ - goto err; \ + debugfs_create_file(#name, mode, parent, lq_sta, \ + &iwl_dbgfs_##name##_ops); \ } while (0) MVM_DEBUGFS_READ_WRITE_FILE_OPS(ss_force, 32); @@ -4108,9 +4107,6 @@ static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta, &lq_sta->pers.dbg_fixed_txp_reduction); MVM_DEBUGFS_ADD_FILE_RS(ss_force, dir, 0600); - return; -err: - IWL_ERR((struct iwl_mvm *)mvm, "Can't create debugfs entity\n"); } void rs_remove_sta_debugfs(void *mvm, void *mvm_sta) -- cgit From cf5d566322bed40850594fd0118626ab5d1f2f7b Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 22 Jan 2019 16:21:20 +0100 Subject: iwlwifi: pcie: no need to check return value of debugfs_create functions When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Johannes Berg Cc: Emmanuel Grumbach Cc: Luca Coelho Cc: Intel Linux Wireless Cc: Kalle Valo Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 6 +----- drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 7 ++----- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 12 +++--------- 3 files changed, 6 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 2b94e4cef56c..d7b866e0e7ae 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1046,9 +1046,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } /* register transport layer debugfs here */ - ret = iwl_trans_pcie_dbgfs_register(iwl_trans); - if (ret) - goto out_free_drv; + iwl_trans_pcie_dbgfs_register(iwl_trans); /* if RTPM is in use, enable it in our device */ if (iwl_trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) { @@ -1077,8 +1075,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; -out_free_drv: - iwl_drv_stop(iwl_trans->drv); out_free_trans: iwl_trans_pcie_free(iwl_trans); return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 5b5a77a66921..860259e65553 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -1030,12 +1030,9 @@ void iwl_trans_pcie_dump_regs(struct iwl_trans *trans); void iwl_trans_sync_nmi(struct iwl_trans *trans); #ifdef CONFIG_IWLWIFI_DEBUGFS -int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans); +void iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans); #else -static inline int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) -{ - return 0; -} +static inline void iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) { } #endif int iwl_pci_fw_exit_d0i3(struct iwl_trans *trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 2915840c8b95..cfaad360c823 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2442,9 +2442,8 @@ void iwl_pcie_dump_csr(struct iwl_trans *trans) #ifdef CONFIG_IWLWIFI_DEBUGFS /* create and remove of files */ #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ - if (!debugfs_create_file(#name, mode, parent, trans, \ - &iwl_dbgfs_##name##_ops)) \ - goto err; \ + debugfs_create_file(#name, mode, parent, trans, \ + &iwl_dbgfs_##name##_ops); \ } while (0) /* file operation */ @@ -2847,7 +2846,7 @@ static const struct file_operations iwl_dbgfs_monitor_data_ops = { }; /* Create the debugfs files and directories */ -int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) +void iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) { struct dentry *dir = trans->dbgfs_dir; @@ -2858,11 +2857,6 @@ int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) DEBUGFS_ADD_FILE(fh_reg, dir, 0400); DEBUGFS_ADD_FILE(rfkill, dir, 0600); DEBUGFS_ADD_FILE(monitor_data, dir, 0400); - return 0; - -err: - IWL_ERR(trans, "failed to create the trans debugfs entry\n"); - return -ENOMEM; } static void iwl_trans_pcie_debugfs_cleanup(struct iwl_trans *trans) -- cgit From 56fe12d2837fbe5ddaebe8011538d25c48163d49 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Tue, 26 Feb 2019 17:59:17 +0200 Subject: iwlwifi: dbg: fill radio registers data regardless of fifos data dumping The driver calculates memory regions dump size, allocate memory and fills the data. The driver fills the radio registers data only if the memory size of the fifos is greater then zero, so in case the user masked out the fifos from the dump, the driver will skip filling the radio register data. Solve this by checking filling radio registers data independently from fifos data. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index f3f00bc9fb48..966caaf7a8a5 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -967,10 +967,11 @@ iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt, if (fifo_len) { iwl_fw_dump_rxf(fwrt, &dump_data); iwl_fw_dump_txf(fwrt, &dump_data); - if (radio_len) - iwl_read_radio_regs(fwrt, &dump_data); } + if (radio_len) + iwl_read_radio_regs(fwrt, &dump_data); + if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) && fwrt->dump.desc) { dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO); -- cgit From afc1e3b4fc8f979150e85fc7649444019aeffe18 Mon Sep 17 00:00:00 2001 From: Avraham Stern Date: Wed, 27 Feb 2019 11:51:11 +0200 Subject: iwlwifi: mvm: use correct GP2 register address for 22000 family The device time register address has changed for 22000 devices. Add a util function for getting the GP2 time and use the correct register address depending on the device family. Signed-off-by: Avraham Stern Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/cfg/22000.c | 6 ++++-- drivers/net/wireless/intel/iwlwifi/iwl-config.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 4 +--- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 4 ++-- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/tdls.c | 7 +++---- drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 12 +++++++++++- 7 files changed, 23 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index 33c95663914d..e0db1988b6a3 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -194,7 +194,8 @@ static const struct iwl_ht_params iwl_22000_ht_params = { IWL_DEVICE_22000_COMMON, \ .device_family = IWL_DEVICE_FAMILY_22000, \ .base_params = &iwl_22000_base_params, \ - .csr = &iwl_csr_v1 + .csr = &iwl_csr_v1, \ + .gp2_reg_addr = 0xa02c68 #define IWL_DEVICE_22560 \ IWL_DEVICE_22000_COMMON, \ @@ -207,7 +208,8 @@ static const struct iwl_ht_params iwl_22000_ht_params = { .device_family = IWL_DEVICE_FAMILY_AX210, \ .base_params = &iwl_22000_base_params, \ .csr = &iwl_csr_v1, \ - .min_txq_size = 128 + .min_txq_size = 128, \ + .gp2_reg_addr = 0xd02c68 const struct iwl_cfg iwl22000_2ac_cfg_hr = { .name = "Intel(R) Dual Band Wireless AC 22000", diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index 76c1e44b7bdc..bc929d6639bd 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -456,6 +456,7 @@ struct iwl_cfg { u32 fw_mon_smem_write_ptr_msk; u32 fw_mon_smem_cycle_cnt_ptr_addr; u32 fw_mon_smem_cycle_cnt_ptr_msk; + u32 gp2_reg_addr; }; extern const struct iwl_csr_params iwl_csr_v1; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 76bf7fbc0446..fcec25b7b679 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1113,9 +1113,7 @@ static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm, ieee80211_tu_to_usec(data.beacon_int * rand / 100); } else { - mvmvif->ap_beacon_time = - iwl_read_prph(mvm->trans, - DEVICE_SYSTEM_TIME_REG); + mvmvif->ap_beacon_time = iwl_mvm_get_systime(mvm); } } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index ed866deddb5f..d55c7df813e3 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3730,7 +3730,7 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int duration) { - int res, time_reg = DEVICE_SYSTEM_TIME_REG; + int res; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; static const u16 time_event_response[] = { HOT_SPOT_CMD }; @@ -3756,7 +3756,7 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 0); /* Set the time and duration */ - tail->apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)); + tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); delay = AUX_ROC_MIN_DELAY; req_dur = MSEC_TO_TU(duration); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 45d7a868e759..cdac510fd22b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1539,6 +1539,7 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); u8 first_antenna(u8 mask); u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); +u32 iwl_mvm_get_systime(struct iwl_mvm *mvm); /* Tx / Host Commands */ int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c index 859aa5a4e6b5..9df21a8d1fc1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c @@ -7,7 +7,7 @@ * * Copyright(c) 2014 Intel Mobile Communications GmbH * Copyright(c) 2017 Intel Deutschland GmbH - * Copyright(C) 2018 Intel Corporation + * Copyright(C) 2018 - 2019 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 @@ -29,7 +29,7 @@ * * Copyright(c) 2014 Intel Mobile Communications GmbH * Copyright(c) 2017 Intel Deutschland GmbH - * Copyright(C) 2018 Intel Corporation + * Copyright(C) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -252,8 +252,7 @@ static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm, /* we only send requests to our switching peer - update sent time */ if (state == IWL_MVM_TDLS_SW_REQ_SENT) - mvm->tdls_cs.peer.sent_timestamp = - iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG); + mvm->tdls_cs.peer.sent_timestamp = iwl_mvm_get_systime(mvm); if (state == IWL_MVM_TDLS_SW_IDLE) mvm->tdls_cs.cur_sta_id = IWL_MVM_INVALID_STA; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 4649327abb45..b9914efc55c4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1418,6 +1418,16 @@ 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->cfg->device_family >= IWL_DEVICE_FAMILY_22000 && + mvm->trans->cfg->gp2_reg_addr) + reg_addr = mvm->trans->cfg->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) { @@ -1432,7 +1442,7 @@ 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); + *gp2 = iwl_mvm_get_systime(mvm); *boottime = ktime_get_boot_ns(); if (!ps_disabled) { -- cgit From c30aef01bae92f189dc6cf92ab7d9798135fe253 Mon Sep 17 00:00:00 2001 From: Shaul Triebitz Date: Wed, 27 Feb 2019 16:18:11 +0200 Subject: iwlwifi: set 512 TX queue slots for AX210 devices AX210 devices support 256 BA (256 MPDUs in an AMPDU). The firmware requires that the number of TFDs will be minimum twice as big as the BA size (2 * 256 = 512). Signed-off-by: Shaul Triebitz Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/cfg/22000.c | 3 ++- drivers/net/wireless/intel/iwlwifi/iwl-config.h | 3 +++ drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 6 ++++-- 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index e0db1988b6a3..3203aa72541a 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -209,7 +209,8 @@ static const struct iwl_ht_params iwl_22000_ht_params = { .base_params = &iwl_22000_base_params, \ .csr = &iwl_csr_v1, \ .min_txq_size = 128, \ - .gp2_reg_addr = 0xd02c68 + .gp2_reg_addr = 0xd02c68, \ + .min_256_ba_txq_size = 512 const struct iwl_cfg iwl22000_2ac_cfg_hr = { .name = "Intel(R) Dual Band Wireless AC 22000", diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index bc929d6639bd..486b6daea370 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -384,6 +384,8 @@ struct iwl_csr_params { * @min_txq_size: minimum number of slots required in a TX queue * @umac_prph_offset: offset to add to UMAC periphery address * @uhb_supported: ultra high band channels supported + * @min_256_ba_txq_size: minimum number of slots required in a TX queue which + * supports 256 BA aggregation * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -457,6 +459,7 @@ struct iwl_cfg { u32 fw_mon_smem_cycle_cnt_ptr_addr; u32 fw_mon_smem_cycle_cnt_ptr_msk; u32 gp2_reg_addr; + u32 min_256_ba_txq_size; }; extern const struct iwl_csr_params iwl_csr_v1; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 9fbd37d23e85..bb0fc1c2b4f2 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -999,7 +999,8 @@ static int iwl_pcie_tx_alloc(struct iwl_trans *trans) slots_num = max_t(u32, TFD_CMD_SLOTS, trans->cfg->min_txq_size); else - slots_num = TFD_TX_CMD_SLOTS; + slots_num = max_t(u32, TFD_TX_CMD_SLOTS, + trans->cfg->min_256_ba_txq_size); trans_pcie->txq[txq_id] = &trans_pcie->txq_memory[txq_id]; ret = iwl_pcie_txq_alloc(trans, trans_pcie->txq[txq_id], slots_num, cmd_queue); @@ -1052,7 +1053,8 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) slots_num = max_t(u32, TFD_CMD_SLOTS, trans->cfg->min_txq_size); else - slots_num = TFD_TX_CMD_SLOTS; + slots_num = max_t(u32, TFD_TX_CMD_SLOTS, + trans->cfg->min_256_ba_txq_size); ret = iwl_pcie_txq_init(trans, trans_pcie->txq[txq_id], slots_num, cmd_queue); if (ret) { -- cgit From d14ae796f8498933fb4437efe83f7b3423b1793f Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Thu, 7 Feb 2019 13:17:37 +0200 Subject: iwlwifi: mvm: support HE context cmd API change Support API change to pass all mbssid parameters to the firmware. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/mac.h | 77 ++++++++++++++++++++++- drivers/net/wireless/intel/iwlwifi/fw/file.h | 3 + drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 12 +++- 3 files changed, 90 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h index 941c50477003..85c5e367cbf1 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h @@ -541,6 +541,66 @@ enum iwl_he_htc_flags { #define IWL_HE_HTC_LINK_ADAP_UNSOLICITED (2 << IWL_HE_HTC_LINK_ADAP_POS) #define IWL_HE_HTC_LINK_ADAP_BOTH (3 << IWL_HE_HTC_LINK_ADAP_POS) +/** + * struct iwl_he_sta_context_cmd_v1 - configure FW to work with HE AP + * @sta_id: STA id + * @tid_limit: max num of TIDs in TX HE-SU multi-TID agg + * 0 - bad value, 1 - multi-tid not supported, 2..8 - tid limit + * @reserved1: reserved byte for future use + * @reserved2: reserved byte for future use + * @flags: see %iwl_11ax_sta_ctxt_flags + * @ref_bssid_addr: reference BSSID used by the AP + * @reserved0: reserved 2 bytes for aligning the ref_bssid_addr field to 8 bytes + * @htc_flags: which features are supported in HTC + * @frag_flags: frag support in A-MSDU + * @frag_level: frag support level + * @frag_max_num: max num of "open" MSDUs in the receiver (in power of 2) + * @frag_min_size: min frag size (except last frag) + * @pkt_ext: optional, exists according to PPE-present bit in the HE-PHY capa + * @bss_color: 11ax AP ID that is used in the HE SIG-A to mark inter BSS frame + * @htc_trig_based_pkt_ext: default PE in 4us units + * @frame_time_rts_th: HE duration RTS threshold, in units of 32us + * @rand_alloc_ecwmin: random CWmin = 2**ECWmin-1 + * @rand_alloc_ecwmax: random CWmax = 2**ECWmax-1 + * @reserved3: reserved byte for future use + * @trig_based_txf: MU EDCA Parameter set for the trigger based traffic queues + */ +struct iwl_he_sta_context_cmd_v1 { + u8 sta_id; + u8 tid_limit; + u8 reserved1; + u8 reserved2; + __le32 flags; + + /* The below fields are set via Multiple BSSID IE */ + u8 ref_bssid_addr[6]; + __le16 reserved0; + + /* The below fields are set via HE-capabilities IE */ + __le32 htc_flags; + + u8 frag_flags; + u8 frag_level; + u8 frag_max_num; + u8 frag_min_size; + + /* The below fields are set via PPE thresholds element */ + struct iwl_he_pkt_ext pkt_ext; + + /* The below fields are set via HE-Operation IE */ + u8 bss_color; + u8 htc_trig_based_pkt_ext; + __le16 frame_time_rts_th; + + /* Random access parameter set (i.e. RAPS) */ + u8 rand_alloc_ecwmin; + u8 rand_alloc_ecwmax; + __le16 reserved3; + + /* The below fields are set via MU EDCA parameter set element */ + struct iwl_he_backoff_conf trig_based_txf[AC_NUM]; +} __packed; /* STA_CONTEXT_DOT11AX_API_S_VER_1 */ + /** * struct iwl_he_sta_context_cmd - configure FW to work with HE AP * @sta_id: STA id @@ -564,6 +624,14 @@ enum iwl_he_htc_flags { * @rand_alloc_ecwmax: random CWmax = 2**ECWmax-1 * @reserved3: reserved byte for future use * @trig_based_txf: MU EDCA Parameter set for the trigger based traffic queues + * @max_bssid_indicator: indicator of the max bssid supported on the associated + * bss + * @bssid_index: index of the associated VAP + * @ema_ap: AP supports enhanced Multi BSSID advertisement + * @profile_periodicity: number of Beacon periods that are needed to receive the + * complete VAPs info + * @bssid_count: actual number of VAPs in the MultiBSS Set + * @reserved4: alignment */ struct iwl_he_sta_context_cmd { u8 sta_id; @@ -599,7 +667,14 @@ struct iwl_he_sta_context_cmd { /* The below fields are set via MU EDCA parameter set element */ struct iwl_he_backoff_conf trig_based_txf[AC_NUM]; -} __packed; /* STA_CONTEXT_DOT11AX_API_S */ + + u8 max_bssid_indicator; + u8 bssid_index; + u8 ema_ap; + u8 profile_periodicity; + u8 bssid_count; + u8 reserved4[3]; +} __packed; /* STA_CONTEXT_DOT11AX_API_S_VER_2 */ /** * struct iwl_he_monitor_cmd - configure air sniffer for HE diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index b7328861c725..abfdcabdcbf7 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -279,6 +279,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t; * @IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS: This ucode supports v2 of * SCAN_OFFLOAD_PROFILE_MATCH_RESULTS_S and v3 of * SCAN_OFFLOAD_PROFILES_QUERY_RSP_S. + * @IWL_UCODE_TLV_API_MBSSID_HE: This ucode supports v2 of + * STA_CONTEXT_DOT11AX_API_S * * @NUM_IWL_UCODE_TLV_API: number of bits used */ @@ -308,6 +310,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_REGULATORY_NVM_INFO = (__force iwl_ucode_tlv_api_t)48, IWL_UCODE_TLV_API_FTM_NEW_RANGE_REQ = (__force iwl_ucode_tlv_api_t)49, IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS = (__force iwl_ucode_tlv_api_t)50, + IWL_UCODE_TLV_API_MBSSID_HE = (__force iwl_ucode_tlv_api_t)52, NUM_IWL_UCODE_TLV_API #ifdef __CHECKER__ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index d55c7df813e3..bb2dc0be3621 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2212,6 +2212,10 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, .frame_time_rts_th = cpu_to_le16(vif->bss_conf.frame_time_rts_th), }; + int size = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_MBSSID_HE) ? + sizeof(sta_ctxt_cmd) : + sizeof(struct iwl_he_sta_context_cmd_v1); struct ieee80211_sta *sta; u32 flags; int i; @@ -2399,13 +2403,19 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, flags |= STA_CTXT_HE_REF_BSSID_VALID; ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, vif->bss_conf.transmitter_bssid); + sta_ctxt_cmd.max_bssid_indicator = + vif->bss_conf.bssid_indicator; + sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; + sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; + sta_ctxt_cmd.profile_periodicity = + vif->bss_conf.profile_periodicity; } sta_ctxt_cmd.flags = cpu_to_le32(flags); if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, DATA_PATH_GROUP, 0), - 0, sizeof(sta_ctxt_cmd), &sta_ctxt_cmd)) + 0, size, &sta_ctxt_cmd)) IWL_ERR(mvm, "Failed to config FW to work HE!\n"); } -- cgit From ef8a913766cd5e341da68c011b4a0ff5e2c0f5d1 Mon Sep 17 00:00:00 2001 From: Ihab Zhaika Date: Mon, 4 Mar 2019 10:15:28 +0200 Subject: iwlwifi: remove misconfigured pci ids from 22260 series Two of the PCI ID entries for the 22260 series were incorrectly using the subsystem vendor ID (which we ignore) as the PCI device ID. This is obviously wrong and can be simply removed since we already have the correct entries in the list. Signed-off-by: Ihab Zhaika Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index d7b866e0e7ae..0329b626ada6 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -959,12 +959,9 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2723, 0x008C, iwl22260_2ax_cfg)}, {IWL_PCI_DEVICE(0x2723, 0x1653, killer1650w_2ax_cfg)}, {IWL_PCI_DEVICE(0x2723, 0x1654, killer1650x_2ax_cfg)}, + {IWL_PCI_DEVICE(0x2723, 0x2080, iwl22260_2ax_cfg)}, {IWL_PCI_DEVICE(0x2723, 0x4080, iwl22260_2ax_cfg)}, {IWL_PCI_DEVICE(0x2723, 0x4088, iwl22260_2ax_cfg)}, - - {IWL_PCI_DEVICE(0x1a56, 0x1653, killer1650w_2ax_cfg)}, - {IWL_PCI_DEVICE(0x1a56, 0x1654, killer1650x_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2725, 0x0090, iwlax210_2ax_cfg_so_hr_a0)}, {IWL_PCI_DEVICE(0x7A70, 0x0090, iwlax210_2ax_cfg_so_hr_a0)}, {IWL_PCI_DEVICE(0x7A70, 0x0310, iwlax210_2ax_cfg_so_hr_a0)}, -- cgit