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iwlwifi: mvm: add support for 8 level scan priority API

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Add support for scan priority API with 8 levels instead of the
existing 3 levels. This API is needed to define the priority of
new ooc activities, e.g. gscan.
Add a TLV flag to indicate if the new API is supported so that
devices that does not support the new API will continue to use
the old one.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Avraham Stern 2015-05-12 12:19:48 +03:00 committed by Emmanuel Grumbach
parent 6e56f01dea
commit d7afbfc418
3 changed files with 36 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/iwlwifi/iwl-fw-file.h
View File

@ -255,6 +255,8 @@ enum iwl_ucode_tlv_flag {
* @IWL_UCODE_TLV_API_LQ_SS_PARAMS: Configure STBC/BFER via LQ CMD ss_params
* @IWL_UCODE_TLV_API_STATS_V10: uCode supports/uses statistics API version 10
* @IWL_UCODE_TLV_API_NEW_VERSION: new versioning format
* @IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY: scan APIs use 8-level priority
* instead of 3.
*/
enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_BT_COEX_SPLIT = BIT(3),
@ -269,6 +271,7 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_LQ_SS_PARAMS = BIT(18),
IWL_UCODE_TLV_API_STATS_V10 = BIT(19),
IWL_UCODE_TLV_API_NEW_VERSION = BIT(20),
IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY = BIT(24),
};
/**

11
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
View File

@ -431,6 +431,17 @@ enum iwl_scan_priority {
IWL_SCAN_PRIORITY_HIGH,
};
enum iwl_scan_priority_ext {
IWL_SCAN_PRIORITY_EXT_0_LOWEST,
IWL_SCAN_PRIORITY_EXT_1,
IWL_SCAN_PRIORITY_EXT_2,
IWL_SCAN_PRIORITY_EXT_3,
IWL_SCAN_PRIORITY_EXT_4,
IWL_SCAN_PRIORITY_EXT_5,
IWL_SCAN_PRIORITY_EXT_6,
IWL_SCAN_PRIORITY_EXT_7_HIGHEST,
};
/**
* iwl_scan_req_lmac - SCAN_REQUEST_CMD_API_S_VER_1
* @reserved1: for alignment and future use

26
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -744,6 +744,21 @@ iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
}
static __le32 iwl_mvm_scan_priority(struct iwl_mvm *mvm,
enum iwl_scan_priority_ext prio)
{
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY)
return cpu_to_le32(prio);
if (prio <= IWL_SCAN_PRIORITY_EXT_2)
return cpu_to_le32(IWL_SCAN_PRIORITY_LOW);
if (prio <= IWL_SCAN_PRIORITY_EXT_4)
return cpu_to_le32(IWL_SCAN_PRIORITY_MEDIUM);
return cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
}
static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_lmac *cmd,
struct iwl_mvm_scan_params *params)
@ -755,7 +770,7 @@ static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
params->dwell[IEEE80211_BAND_2GHZ].fragmented;
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
cmd->scan_prio = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
}
static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids,
@ -1070,12 +1085,15 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm,
params->dwell[IEEE80211_BAND_2GHZ].fragmented;
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
cmd->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
cmd->scan_priority =
iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
if (iwl_mvm_scan_total_iterations(params) == 0)
cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
cmd->ooc_priority =
iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
else
cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_LOW);
cmd->ooc_priority =
iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_2);
}
static void