iwlwifi: mvm: fix EBS on single scan (1f9c418f) · Commits · 戴 / test

drivers/net/wireless/iwlwifi/iwl-fw-file.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -246,6 +246,7 @@ enum iwl_ucode_tlv_flag {
		* @IWL_UCODE_TLV_API_BASIC_DWELL: use only basic dwell time in scan command,
		* regardless of the band or the number of the probes. FW will calculate
		* the actual dwell time.
		* @IWL_UCODE_TLV_API_SINGLE_SCAN_EBS: EBS is supported for single scans too.
		*/
		enum iwl_ucode_tlv_api {
		IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID = BIT(0),
		@@ -257,6 +258,7 @@ enum iwl_ucode_tlv_api {
		IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF = BIT(7),
		IWL_UCODE_TLV_API_FRAGMENTED_SCAN = BIT(8),
		IWL_UCODE_TLV_API_BASIC_DWELL = BIT(13),
		IWL_UCODE_TLV_API_SINGLE_SCAN_EBS = BIT(16),
		};

		/**

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

+5 −2

Original line number	Diff line number	Diff line
		@@ -653,8 +653,11 @@ enum iwl_scan_channel_flags {
		};

		/* iwl_scan_channel_opt - CHANNEL_OPTIMIZATION_API_S
		* @flags: enum iwl_scan_channel_flgs
		* @non_ebs_ratio: how many regular scan iteration before EBS
		* @flags: enum iwl_scan_channel_flags
		* @non_ebs_ratio: defines the ratio of number of scan iterations where EBS is
		* involved.
		* 1 - EBS is disabled.
		* 2 - every second scan will be full scan(and so on).
		*/
		struct iwl_scan_channel_opt {
		__le16 flags;

drivers/net/wireless/iwlwifi/mvm/scan.c

+34 −12

Original line number	Diff line number	Diff line
		@@ -72,6 +72,8 @@

		#define IWL_PLCP_QUIET_THRESH 1
		#define IWL_ACTIVE_QUIET_TIME 10
		#define IWL_DENSE_EBS_SCAN_RATIO 5
		#define IWL_SPARSE_EBS_SCAN_RATIO 1

		struct iwl_mvm_scan_params {
		u32 max_out_time;
		@@ -1297,18 +1299,6 @@ iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm,
		cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
		cmd->iter_num = cpu_to_le32(1);

		if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT &&
		mvm->last_ebs_successful) {
		cmd->channel_opt[0].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		cmd->channel_opt[1].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		}

		if (iwl_mvm_rrm_scan_needed(mvm))
		cmd->scan_flags \|=
		cpu_to_le32(IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED);
		@@ -1383,6 +1373,22 @@ int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
		cmd->schedule[1].iterations = 0;
		cmd->schedule[1].full_scan_mul = 0;

		if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS &&
		mvm->last_ebs_successful) {
		cmd->channel_opt[0].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		cmd->channel_opt[0].non_ebs_ratio =
		cpu_to_le16(IWL_DENSE_EBS_SCAN_RATIO);
		cmd->channel_opt[1].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		cmd->channel_opt[1].non_ebs_ratio =
		cpu_to_le16(IWL_SPARSE_EBS_SCAN_RATIO);
		}

		for (i = 1; i <= req->req.n_ssids; i++)
		ssid_bitmap \|= BIT(i);

		@@ -1483,6 +1489,22 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
		cmd->schedule[1].iterations = 0xff;
		cmd->schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER;

		if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT &&
		mvm->last_ebs_successful) {
		cmd->channel_opt[0].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		cmd->channel_opt[0].non_ebs_ratio =
		cpu_to_le16(IWL_DENSE_EBS_SCAN_RATIO);
		cmd->channel_opt[1].flags =
		cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS \|
		IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE \|
		IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
		cmd->channel_opt[1].non_ebs_ratio =
		cpu_to_le16(IWL_SPARSE_EBS_SCAN_RATIO);
		}

		iwl_mvm_lmac_scan_cfg_channels(mvm, req->channels, req->n_channels,
		ssid_bitmap, cmd);

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