diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-drv.c | 141 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fw.h | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-mac80211.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-testmode.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 32 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-ucode.c | 29 |
7 files changed, 139 insertions, 141 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 89cb9a7a3b56..b7b1c04f2fba 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -230,6 +230,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, int pos = 0; int sram; struct iwl_priv *priv = file->private_data; + const struct fw_img *img; size_t bufsz; /* default is to dump the entire data segment */ @@ -239,17 +240,8 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, IWL_ERR(priv, "No uCode has been loadded.\n"); return -EINVAL; } - if (priv->shrd->ucode_type == IWL_UCODE_INIT) { - priv->dbgfs_sram_len = priv->fw->ucode_init.data.len; - } else if (priv->shrd->ucode_type == IWL_UCODE_REGULAR) { - priv->dbgfs_sram_len = priv->fw->ucode_rt.data.len; - } else if (priv->shrd->ucode_type == IWL_UCODE_WOWLAN) { - priv->dbgfs_sram_len = priv->fw->ucode_wowlan.data.len; - } else { - IWL_ERR(priv, "Unsupported type of uCode loaded?" - " that shouldn't happen.\n"); - return -EINVAL; - } + img = &priv->fw->img[priv->shrd->ucode_type]; + priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; } len = priv->dbgfs_sram_len; @@ -346,13 +338,14 @@ static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; + const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; if (!priv->wowlan_sram) return -ENODATA; return simple_read_from_buffer(user_buf, count, ppos, priv->wowlan_sram, - priv->fw->ucode_wowlan.data.len); + img->sec[IWL_UCODE_SECTION_DATA].len); } static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index 19ccd36a55b3..54e09696fc9d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -118,15 +118,16 @@ static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) { - iwl_free_fw_desc(drv, &img->code); - iwl_free_fw_desc(drv, &img->data); + int i; + for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) + iwl_free_fw_desc(drv, &img->sec[i]); } static void iwl_dealloc_ucode(struct iwl_drv *drv) { - iwl_free_fw_img(drv, &drv->fw.ucode_rt); - iwl_free_fw_img(drv, &drv->fw.ucode_init); - iwl_free_fw_img(drv, &drv->fw.ucode_wowlan); + int i; + for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) + iwl_free_fw_img(drv, drv->fw.img + i); } static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, @@ -189,22 +190,8 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first) GFP_KERNEL, drv, iwl_ucode_callback); } -/* - * enumeration of ucode section. - * This enumeration is used for legacy tlv style (before 16.0 uCode). - */ -enum iwl_ucode_sec { - IWL_UCODE_SECTION_INST, - IWL_UCODE_SECTION_DATA, -}; -/* - * For 16.0 uCode and above, there is no differentiation between section, - * just an offset to the HW address. - */ -#define UCODE_SECTION_MAX 4 - struct fw_img_parsing { - struct fw_sec sec[UCODE_SECTION_MAX]; + struct fw_sec sec[IWL_UCODE_SECTION_MAX]; int sec_counter; }; @@ -691,6 +678,71 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } +static int alloc_pci_desc(struct iwl_drv *drv, + struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type) +{ + int i; + for (i = 0; + i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); + i++) + if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), + get_sec(pieces, type, i))) + return -1; + return 0; +} + +static int validate_sec_sizes(struct iwl_drv *drv, + struct iwl_firmware_pieces *pieces, + const struct iwl_cfg *cfg) +{ + IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); + + /* Verify that uCode images will fit in card's SRAM. */ + if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > + cfg->max_inst_size) { + IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > + cfg->max_data_size) { + IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > + cfg->max_inst_size) { + IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_INST)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > + cfg->max_data_size) { + IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + return -1; + } + return 0; +} + + /** * iwl_ucode_callback - callback when firmware was loaded * @@ -709,6 +761,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) unsigned int api_ok = cfg->ucode_api_ok; const unsigned int api_min = cfg->ucode_api_min; u32 api_ver; + int i; fw->ucode_capa.max_probe_length = 200; fw->ucode_capa.standard_phy_calibration_size = @@ -817,59 +870,17 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) goto try_again; } - if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > - cfg->max_inst_size) { - IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", - get_sec_size(&pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST)); + if (validate_sec_sizes(drv, &pieces, cfg)) goto try_again; - } - - if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > - cfg->max_data_size) { - IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", - get_sec_size(&pieces, IWL_UCODE_REGULAR, - IWL_UCODE_SECTION_DATA)); - goto try_again; - } /* Allocate ucode buffers for card's bus-master loading ... */ /* Runtime instructions and 2 copies of data: * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_rt.code, - get_sec(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST))) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_rt.data, - get_sec(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA))) - goto err_pci_alloc; - - /* Initialization instructions and data */ - if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) && - get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_init.code, - get_sec(&pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_INST))) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_init.data, - get_sec(&pieces, IWL_UCODE_INIT, - IWL_UCODE_SECTION_DATA))) + for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) + if (alloc_pci_desc(drv, &pieces, i)) goto err_pci_alloc; - } - - /* WoWLAN instructions and data */ - if (get_sec_size(&pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_INST) && - get_sec_size(&pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_DATA)) { - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_wowlan.code, - get_sec(&pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_INST))) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_wowlan.data, - get_sec(&pieces, IWL_UCODE_WOWLAN, - IWL_UCODE_SECTION_DATA))) - goto err_pci_alloc; - } /* Now that we can no longer fail, copy information */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index c99a7fd1d29a..5d634f3db929 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -101,6 +101,20 @@ enum iwl_ucode_type { IWL_UCODE_TYPE_MAX, }; +/* + * enumeration of ucode section. + * This enumeration is used for legacy tlv style (before 16.0 uCode). + */ +enum iwl_ucode_sec { + IWL_UCODE_SECTION_INST, + IWL_UCODE_SECTION_DATA, +}; +/* + * For 16.0 uCode and above, there is no differentiation between sections, + * just an offset to the HW address. + */ +#define IWL_UCODE_SECTION_MAX 4 + struct iwl_ucode_capabilities { u32 max_probe_length; u32 standard_phy_calibration_size; @@ -116,8 +130,7 @@ struct fw_desc { }; struct fw_img { - struct fw_desc code; /* firmware code image */ - struct fw_desc data; /* firmware data image */ + struct fw_desc sec[IWL_UCODE_SECTION_MAX]; }; /* uCode version contains 4 values: Major/Minor/API/Serial */ @@ -131,9 +144,7 @@ struct fw_img { * * @ucode_ver: ucode version from the ucode file * @fw_version: firmware version string - * @ucode_rt: run time ucode image - * @ucode_init: init ucode image - * @ucode_wowlan: wake on wireless ucode image (optional) + * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan. * @ucode_capa: capabilities parsed from the ucode file. * @enhance_sensitivity_table: device can do enhanced sensitivity. * @init_evtlog_ptr: event log offset for init ucode. @@ -149,9 +160,7 @@ struct iwl_fw { char fw_version[ETHTOOL_BUSINFO_LEN]; /* ucode images */ - struct fw_img ucode_rt; - struct fw_img ucode_init; - struct fw_img ucode_wowlan; + struct fw_img img[IWL_UCODE_TYPE_MAX]; struct iwl_ucode_capabilities ucode_capa; bool enhance_sensitivity_table; diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index 9212ee3bef9b..b6805f8e9a01 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -196,7 +196,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, WIPHY_FLAG_DISABLE_BEACON_HINTS | WIPHY_FLAG_IBSS_RSN; - if (priv->fw->ucode_wowlan.code.len && + if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len && trans(priv)->ops->wowlan_suspend && device_can_wakeup(trans(priv)->dev)) { hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | @@ -437,6 +437,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) unsigned long flags; u32 base, status = 0xffffffff; int ret = -EIO; + const struct fw_img *img; IWL_DEBUG_MAC80211(priv, "enter\n"); mutex_lock(&priv->mutex); @@ -457,16 +458,18 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) #ifdef CONFIG_IWLWIFI_DEBUGFS if (ret == 0) { - if (!priv->wowlan_sram) + img = &(priv->fw->img[IWL_UCODE_WOWLAN]); + if (!priv->wowlan_sram) { priv->wowlan_sram = - kzalloc(priv->fw->ucode_wowlan.data.len, + kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len, GFP_KERNEL); + } if (priv->wowlan_sram) _iwl_read_targ_mem_words( - trans(priv), 0x800000, - priv->wowlan_sram, - priv->fw->ucode_wowlan.data.len / 4); + trans(priv), 0x800000, + priv->wowlan_sram, + img->sec[IWL_UCODE_SECTION_DATA].len / 4); } #endif } diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c index c6c084f45b72..76f7f9251436 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.c +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c @@ -466,6 +466,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) unsigned char *rsp_data_ptr = NULL; int status = 0, rsp_data_len = 0; u32 devid, inst_size = 0, data_size = 0; + const struct fw_img *img; switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: @@ -597,23 +598,9 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) IWL_ERR(priv, "No uCode has not been loaded\n"); return -EINVAL; } else { - switch (priv->shrd->ucode_type) { - case IWL_UCODE_REGULAR: - inst_size = priv->fw->ucode_rt.code.len; - data_size = priv->fw->ucode_rt.data.len; - break; - case IWL_UCODE_INIT: - inst_size = priv->fw->ucode_init.code.len; - data_size = priv->fw->ucode_init.data.len; - break; - case IWL_UCODE_WOWLAN: - inst_size = priv->fw->ucode_wowlan.code.len; - data_size = priv->fw->ucode_wowlan.data.len; - break; - default: - IWL_ERR(priv, "Unsupported uCode type\n"); - break; - } + img = &priv->fw->img[priv->shrd->ucode_type]; + inst_size = img->sec[IWL_UCODE_SECTION_INST].len; + data_size = img->sec[IWL_UCODE_SECTION_DATA].len; } NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type); NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 0e8e31a53c7a..b4f796c82e1e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -951,12 +951,13 @@ static const u8 iwlagn_pan_ac_to_queue[] = { /* * ucode */ -static int iwl_load_section(struct iwl_trans *trans, const char *name, - const struct fw_desc *image, u32 dst_addr) +static int iwl_load_section(struct iwl_trans *trans, u8 section_num, + const struct fw_desc *section) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - dma_addr_t phy_addr = image->p_addr; - u32 byte_cnt = image->len; + dma_addr_t phy_addr = section->p_addr; + u32 byte_cnt = section->len; + u32 dst_addr = section->offset; int ret; trans_pcie->ucode_write_complete = false; @@ -989,12 +990,13 @@ static int iwl_load_section(struct iwl_trans *trans, const char *name, FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); - IWL_DEBUG_FW(trans, "%s uCode section being loaded...\n", name); + IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n", + section_num); ret = wait_event_timeout(trans_pcie->ucode_write_waitq, trans_pcie->ucode_write_complete, 5 * HZ); if (!ret) { - IWL_ERR(trans, "Could not load the %s uCode section\n", - name); + IWL_ERR(trans, "Could not load the [%d] uCode section\n", + section_num); return -ETIMEDOUT; } @@ -1005,16 +1007,16 @@ static int iwl_load_given_ucode(struct iwl_trans *trans, const struct fw_img *image) { int ret = 0; + int i; - ret = iwl_load_section(trans, "INST", &image->code, - IWLAGN_RTC_INST_LOWER_BOUND); - if (ret) - return ret; + for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) { + if (!image->sec[i].p_addr) + break; - ret = iwl_load_section(trans, "DATA", &image->data, - IWLAGN_RTC_DATA_LOWER_BOUND); - if (ret) - return ret; + ret = iwl_load_section(trans, i, &image->sec[i]); + if (ret) + return ret; + } /* Remove all resets to allow NIC to operate */ iwl_write32(trans, CSR_RESET, 0); diff --git a/drivers/net/wireless/iwlwifi/iwl-ucode.c b/drivers/net/wireless/iwlwifi/iwl-ucode.c index 0908880dd7ac..252828728837 100644 --- a/drivers/net/wireless/iwlwifi/iwl-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-ucode.c @@ -80,17 +80,10 @@ static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { static inline const struct fw_img * iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { - switch (ucode_type) { - case IWL_UCODE_INIT: - return &priv->fw->ucode_init; - case IWL_UCODE_WOWLAN: - return &priv->fw->ucode_wowlan; - case IWL_UCODE_REGULAR: - return &priv->fw->ucode_rt; - default: - break; - } - return NULL; + if (ucode_type >= IWL_UCODE_TYPE_MAX) + return NULL; + + return &priv->fw->img[ucode_type]; } /* @@ -342,7 +335,7 @@ static int iwl_alive_notify(struct iwl_priv *priv) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_priv *priv, +static int iwl_verify_sec_sparse(struct iwl_priv *priv, const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -357,7 +350,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, - i + IWLAGN_RTC_INST_LOWER_BOUND); + i + fw_desc->offset); val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; @@ -366,7 +359,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, return 0; } -static void iwl_print_mismatch_inst(struct iwl_priv *priv, +static void iwl_print_mismatch_sec(struct iwl_priv *priv, const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -378,7 +371,7 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, - IWLAGN_RTC_INST_LOWER_BOUND); + fw_desc->offset); for (offs = 0; offs < len && errors < 20; @@ -408,14 +401,14 @@ static int iwl_verify_ucode(struct iwl_priv *priv, return -EINVAL; } - if (!iwl_verify_inst_sparse(priv, &img->code)) { + if (!iwl_verify_sec_sparse(priv, &img->sec[IWL_UCODE_SECTION_INST])) { IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); return 0; } IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(priv, &img->code); + iwl_print_mismatch_sec(priv, &img->sec[IWL_UCODE_SECTION_INST]); return -EIO; } @@ -534,7 +527,7 @@ int iwl_run_init_ucode(struct iwl_priv *priv) lockdep_assert_held(&priv->mutex); /* No init ucode required? Curious, but maybe ok */ - if (!priv->fw->ucode_init.code.len) + if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len) return 0; if (priv->init_ucode_run) |