summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-drv.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-drv.c72
1 files changed, 71 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 6685259927f8..a86aa5bcee7d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -372,6 +372,30 @@ static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
return 0;
}
+static int iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
+ const u32 len)
+{
+ struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
+ struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
+
+ if (len < sizeof(*fw_capa))
+ return -EINVAL;
+
+ capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
+ capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
+ capa->max_ap_cache_per_scan =
+ le32_to_cpu(fw_capa->max_ap_cache_per_scan);
+ capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
+ capa->max_scan_reporting_threshold =
+ le32_to_cpu(fw_capa->max_scan_reporting_threshold);
+ capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
+ capa->max_significant_change_aps =
+ le32_to_cpu(fw_capa->max_significant_change_aps);
+ capa->max_bssid_history_entries =
+ le32_to_cpu(fw_capa->max_bssid_history_entries);
+ return 0;
+}
+
/*
* Gets uCode section from tlv.
*/
@@ -573,13 +597,15 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
size_t len = ucode_raw->size;
const u8 *data;
u32 tlv_len;
+ u32 usniffer_img;
enum iwl_ucode_tlv_type tlv_type;
const u8 *tlv_data;
char buildstr[25];
- u32 build;
+ u32 build, paging_mem_size;
int num_of_cpus;
bool usniffer_images = false;
bool usniffer_req = false;
+ bool gscan_capa = false;
if (len < sizeof(*ucode)) {
IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
@@ -955,12 +981,46 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
IWL_UCODE_REGULAR_USNIFFER,
tlv_len);
break;
+ case IWL_UCODE_TLV_PAGING:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
+
+ IWL_DEBUG_FW(drv,
+ "Paging: paging enabled (size = %u bytes)\n",
+ paging_mem_size);
+
+ if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
+ IWL_ERR(drv,
+ "Paging: driver supports up to %lu bytes for paging image\n",
+ MAX_PAGING_IMAGE_SIZE);
+ return -EINVAL;
+ }
+
+ if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
+ IWL_ERR(drv,
+ "Paging: image isn't multiple %lu\n",
+ FW_PAGING_SIZE);
+ return -EINVAL;
+ }
+
+ drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
+ paging_mem_size;
+ usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
+ drv->fw.img[usniffer_img].paging_mem_size =
+ paging_mem_size;
+ break;
case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
if (tlv_len != sizeof(u32))
goto invalid_tlv_len;
drv->fw.sdio_adma_addr =
le32_to_cpup((__le32 *)tlv_data);
break;
+ case IWL_UCODE_TLV_FW_GSCAN_CAPA:
+ if (iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len))
+ goto invalid_tlv_len;
+ gscan_capa = true;
+ break;
default:
IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
break;
@@ -979,6 +1039,16 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
return -EINVAL;
}
+ /*
+ * If ucode advertises that it supports GSCAN but GSCAN
+ * capabilities TLV is not present, warn and continue without GSCAN.
+ */
+ if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
+ WARN(!gscan_capa,
+ "GSCAN is supported but capabilities TLV is unavailable\n"))
+ __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
+ capa->_capa);
+
return 0;
invalid_tlv_len: