diff options
| author | Mukesh Sisodiya <mukesh.sisodiya@intel.com> | 2021-06-12 14:32:45 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-06-22 15:11:23 +0300 |
| commit | a451b823074ca40bda686f3fb48875103e17d7da (patch) | |
| tree | 36d17f719defebcf65da0503c0e7a45f1a068e80 /drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | |
| parent | 7e10d7ae960212f84972a2c59dd9a1a5e23fd4a4 (diff) | |
| download | linux-a451b823074ca40bda686f3fb48875103e17d7da.tar.xz | |
iwlwifi: yoyo: support region TLV version 2
Region TLV version 2 now includes more data, but it is not
relevant for the driver.
In order to support this new version, just mask the new part out.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.60dd4c60ab49.I44fe02af389d3ab089363bf9bde0d99a4c1ff383@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index 4cd8c39cc3e9..0ddd255a8cc1 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -57,7 +57,7 @@ dbg_ver_table[IWL_DBG_TLV_TYPE_NUM] = { [IWL_DBG_TLV_TYPE_DEBUG_INFO] = {.min_ver = 1, .max_ver = 1,}, [IWL_DBG_TLV_TYPE_BUF_ALLOC] = {.min_ver = 1, .max_ver = 1,}, [IWL_DBG_TLV_TYPE_HCMD] = {.min_ver = 1, .max_ver = 1,}, - [IWL_DBG_TLV_TYPE_REGION] = {.min_ver = 1, .max_ver = 1,}, + [IWL_DBG_TLV_TYPE_REGION] = {.min_ver = 1, .max_ver = 2,}, [IWL_DBG_TLV_TYPE_TRIGGER] = {.min_ver = 1, .max_ver = 1,}, }; @@ -178,9 +178,20 @@ static int iwl_dbg_tlv_alloc_region(struct iwl_trans *trans, u32 type = le32_to_cpu(reg->type); u32 tlv_len = sizeof(*tlv) + le32_to_cpu(tlv->length); + /* + * The higher part of the ID in version 2 is irrelevant for + * us, so mask it out. + */ + if (le32_to_cpu(reg->hdr.version) == 2) + id &= IWL_FW_INI_REGION_V2_MASK; + if (le32_to_cpu(tlv->length) < sizeof(*reg)) return -EINVAL; + /* for safe use of a string from FW, limit it to IWL_FW_INI_MAX_NAME */ + IWL_DEBUG_FW(trans, "WRT: parsing region: %.*s\n", + IWL_FW_INI_MAX_NAME, reg->name); + if (id >= IWL_FW_INI_MAX_REGION_ID) { IWL_ERR(trans, "WRT: Invalid region id %u\n", id); return -EINVAL; |