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iwlwifi: mvm: remove dead gscan code 

There was a bunch of code to support gscan which has never been used.
Remove it all to cleanup and get rid of a lot of dead code.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2018-07-27 14:53:07 +03:00
parent f137c0979b
commit 266ab68965
4 changed files with 2 additions and 126 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/Makefile
View File

@ -14,7 +14,6 @@ iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/22000.o
iwlwifi-objs += iwl-trans.o
iwlwifi-objs += fw/notif-wait.o
iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o fw/init.o fw/dbg.o
iwlwifi-$(CONFIG_IWLMVM) += fw/common_rx.o
iwlwifi-$(CONFIG_ACPI) += fw/acpi.o
iwlwifi-$(CONFIG_IWLWIFI_DEBUGFS) += fw/debugfs.o

37
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -321,7 +321,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
* IWL_UCODE_TLV_API_WIFI_MCC_UPDATE. When either is set, multi-source LAR
* is supported.
* @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
* @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan
* @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan (no longer used)
* @IWL_UCODE_TLV_CAPA_STA_PM_NOTIF: firmware will send STA PM notification
* @IWL_UCODE_TLV_CAPA_TLC_OFFLOAD: firmware implements rate scaling algorithm
* @IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA: firmware implements quota related
@ -892,39 +892,4 @@ struct iwl_fw_dbg_conf_tlv {
struct iwl_fw_dbg_conf_hcmd hcmd;
} __packed;
/**
* struct iwl_fw_gscan_capabilities - gscan capabilities supported by FW
* @max_scan_cache_size: total space allocated for scan results (in bytes).
* @max_scan_buckets: maximum number of channel buckets.
* @max_ap_cache_per_scan: maximum number of APs that can be stored per scan.
* @max_rssi_sample_size: number of RSSI samples used for averaging RSSI.
* @max_scan_reporting_threshold: max possible report threshold. in percentage.
* @max_hotlist_aps: maximum number of entries for hotlist APs.
* @max_significant_change_aps: maximum number of entries for significant
* change APs.
* @max_bssid_history_entries: number of BSSID/RSSI entries that the device can
* hold.
* @max_hotlist_ssids: maximum number of entries for hotlist SSIDs.
* @max_number_epno_networks: max number of epno entries.
* @max_number_epno_networks_by_ssid: max number of epno entries if ssid is
* specified.
* @max_number_of_white_listed_ssid: max number of white listed SSIDs.
* @max_number_of_black_listed_ssid: max number of black listed SSIDs.
*/
struct iwl_fw_gscan_capabilities {
__le32 max_scan_cache_size;
__le32 max_scan_buckets;
__le32 max_ap_cache_per_scan;
__le32 max_rssi_sample_size;
__le32 max_scan_reporting_threshold;
__le32 max_hotlist_aps;
__le32 max_significant_change_aps;
__le32 max_bssid_history_entries;
__le32 max_hotlist_ssids;
__le32 max_number_epno_networks;
__le32 max_number_epno_networks_by_ssid;
__le32 max_number_of_white_listed_ssid;
__le32 max_number_of_black_listed_ssid;
} __packed;
#endif /* __iwl_fw_file_h__ */

36
drivers/net/wireless/intel/iwlwifi/fw/img.h
View File

@ -192,41 +192,6 @@ struct iwl_fw_cscheme_list {
struct iwl_fw_cipher_scheme cs[];
} __packed;
/**
* struct iwl_gscan_capabilities - gscan capabilities supported by FW
* @max_scan_cache_size: total space allocated for scan results (in bytes).
* @max_scan_buckets: maximum number of channel buckets.
* @max_ap_cache_per_scan: maximum number of APs that can be stored per scan.
* @max_rssi_sample_size: number of RSSI samples used for averaging RSSI.
* @max_scan_reporting_threshold: max possible report threshold. in percentage.
* @max_hotlist_aps: maximum number of entries for hotlist APs.
* @max_significant_change_aps: maximum number of entries for significant
* change APs.
* @max_bssid_history_entries: number of BSSID/RSSI entries that the device can
* hold.
* @max_hotlist_ssids: maximum number of entries for hotlist SSIDs.
* @max_number_epno_networks: max number of epno entries.
* @max_number_epno_networks_by_ssid: max number of epno entries if ssid is
* specified.
* @max_number_of_white_listed_ssid: max number of white listed SSIDs.
* @max_number_of_black_listed_ssid: max number of black listed SSIDs.
*/
struct iwl_gscan_capabilities {
u32 max_scan_cache_size;
u32 max_scan_buckets;
u32 max_ap_cache_per_scan;
u32 max_rssi_sample_size;
u32 max_scan_reporting_threshold;
u32 max_hotlist_aps;
u32 max_significant_change_aps;
u32 max_bssid_history_entries;
u32 max_hotlist_ssids;
u32 max_number_epno_networks;
u32 max_number_epno_networks_by_ssid;
u32 max_number_of_white_listed_ssid;
u32 max_number_of_black_listed_ssid;
};
/**
* enum iwl_fw_type - iwlwifi firmware type
* @IWL_FW_DVM: DVM firmware
@ -298,7 +263,6 @@ struct iwl_fw {
size_t n_dbg_mem_tlv;
size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
u8 dbg_dest_reg_num;
struct iwl_gscan_capabilities gscan_capa;
u32 dbg_dump_mask;
};

54
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@ -402,35 +402,6 @@ static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
return 0;
}
static void 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;
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);
capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
capa->max_number_epno_networks =
le32_to_cpu(fw_capa->max_number_epno_networks);
capa->max_number_epno_networks_by_ssid =
le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
capa->max_number_of_white_listed_ssid =
le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
capa->max_number_of_black_listed_ssid =
le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
}
/*
* Gets uCode section from tlv.
*/
@ -644,7 +615,6 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
u32 build, paging_mem_size;
int num_of_cpus;
bool usniffer_req = false;
bool gscan_capa = false;
if (len < sizeof(*ucode)) {
IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
@ -1090,16 +1060,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
paging_mem_size;
break;
case IWL_UCODE_TLV_FW_GSCAN_CAPA:
/*
* Don't return an error in case of a shorter tlv_len
* to enable loading of FW that has an old format
* of GSCAN capabilities TLV.
*/
if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
break;
iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
gscan_capa = true;
/* ignored */
break;
case IWL_UCODE_TLV_FW_MEM_SEG: {
struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
@ -1164,19 +1125,6 @@ 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, or if it has an old format,
* warn and continue without GSCAN.
*/
if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
!gscan_capa) {
IWL_DEBUG_INFO(drv,
"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: