diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 61 |
1 files changed, 46 insertions, 15 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index f9c9c08ab88..7bcc8a3aee4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1550,7 +1550,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) size_t len; u32 api_ver, build; u32 inst_size, data_size, init_size, init_data_size, boot_size; - int err; + int err, hdr_size; u16 eeprom_ver; char buildstr[25]; @@ -1563,8 +1563,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", priv->firmware_name, ucode_raw->size); - /* Make sure that we got at least the v1 header! */ - if (ucode_raw->size < priv->cfg->ops->ucode->get_header_size(1)) { + /* Make sure that we got at least the API version number */ + if (ucode_raw->size < 4) { IWL_ERR(priv, "File size way too small!\n"); goto try_again; } @@ -1574,14 +1574,47 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) priv->ucode_ver = le32_to_cpu(ucode->ver); api_ver = IWL_UCODE_API(priv->ucode_ver); - build = priv->cfg->ops->ucode->get_build(ucode, api_ver); - inst_size = priv->cfg->ops->ucode->get_inst_size(ucode, api_ver); - data_size = priv->cfg->ops->ucode->get_data_size(ucode, api_ver); - init_size = priv->cfg->ops->ucode->get_init_size(ucode, api_ver); - init_data_size = - priv->cfg->ops->ucode->get_init_data_size(ucode, api_ver); - boot_size = priv->cfg->ops->ucode->get_boot_size(ucode, api_ver); - src = priv->cfg->ops->ucode->get_data(ucode, api_ver); + + switch (api_ver) { + default: + /* + * 4965 doesn't revision the firmware file format + * along with the API version, it always uses v1 + * file format. + */ + if (priv->cfg != &iwl4965_agn_cfg) { + hdr_size = 28; + if (ucode_raw->size < hdr_size) { + IWL_ERR(priv, "File size too small!\n"); + goto try_again; + } + build = ucode->u.v2.build; + inst_size = ucode->u.v2.inst_size; + data_size = ucode->u.v2.data_size; + init_size = ucode->u.v2.init_size; + init_data_size = ucode->u.v2.init_data_size; + boot_size = ucode->u.v2.boot_size; + src = ucode->u.v2.data; + break; + } + /* fall through for 4965 */ + case 0: + case 1: + case 2: + hdr_size = 24; + if (ucode_raw->size < hdr_size) { + IWL_ERR(priv, "File size too small!\n"); + goto try_again; + } + build = 0; + inst_size = ucode->u.v1.inst_size; + data_size = ucode->u.v1.data_size; + init_size = ucode->u.v1.init_size; + init_data_size = ucode->u.v1.init_data_size; + boot_size = ucode->u.v1.boot_size; + src = ucode->u.v1.data; + break; + } /* api_ver should match the api version forming part of the * firmware filename ... but we don't check for that and only rely @@ -1646,10 +1679,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) */ /* Verify size of file vs. image size info in file's header */ - if (ucode_raw->size != - priv->cfg->ops->ucode->get_header_size(api_ver) + - inst_size + data_size + init_size + - init_data_size + boot_size) { + if (ucode_raw->size != hdr_size + inst_size + data_size + init_size + + init_data_size + boot_size) { IWL_DEBUG_INFO(priv, "uCode file size %d does not match expected size\n", |