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Commit 98920961 authored by Shaul Triebitz's avatar Shaul Triebitz Committed by Luca Coelho
Browse files

iwlwifi: mvm: enable sending HE_AIR_SNIFFER command via debugfs 



In order to receive TB (Trigger Based) PPDU in monitor mode,
the Driver must send the HE_AIR_SNIFFER_CONFIG_CMD host command.
Enable that via debugfs.

Signed-off-by: default avatarLiad Kaufman <liad.kaufman@intel.com>
Signed-off-by: default avatarIdo Yariv <idox.yariv@intel.com>
Signed-off-by: default avatarShaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 10a970df

drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h

+5 −0
Original line number Diff line number Diff line
@@ -99,6 +99,11 @@ enum iwl_data_path_subcmd_ids { 
	 */

	TLC_MNG_CONFIG_CMD = 0xF,



	/**

	 * @HE_AIR_SNIFFER_CONFIG_CMD: &struct iwl_he_monitor_cmd

	 */

	HE_AIR_SNIFFER_CONFIG_CMD = 0x13,



	/**

	 * @TLC_MNG_UPDATE_NOTIF: &struct iwl_tlc_update_notif

	 */

drivers/net/wireless/intel/iwlwifi/fw/api/mac.h

+14 −0
Original line number Diff line number Diff line
@@ -578,4 +578,18 @@ struct iwl_he_sta_context_cmd { 
	struct iwl_he_backoff_conf trig_based_txf[AC_NUM];

} __packed; /* STA_CONTEXT_DOT11AX_API_S */



/**

 * struct iwl_he_monitor_cmd - configure air sniffer for HE

 * @bssid: the BSSID to sniff for

 * @reserved1: reserved for dword alignment

 * @aid: the AID to track on for HE MU

 * @reserved2: reserved for future use

 */

struct iwl_he_monitor_cmd {

	u8 bssid[6];

	__le16 reserved1;

	__le16 aid;

	u8 reserved2[6];

} __packed; /* HE_AIR_SNIFFER_CONFIG_CMD_API_S_VER_1 */



#endif /* __iwl_fw_api_mac_h__ */

drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

+32 −0
Original line number Diff line number Diff line
@@ -1727,6 +1727,35 @@ iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, 
	return ret ?: count;

}



static ssize_t

iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,

			size_t count, loff_t *ppos)

{

	struct iwl_he_monitor_cmd he_mon_cmd = {};

	u32 aid;

	int ret;



	if (!iwl_mvm_firmware_running(mvm))

		return -EIO;



	ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,

		     &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],

		     &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],

		     &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);

	if (ret != 7)

		return -EINVAL;



	he_mon_cmd.aid = cpu_to_le16(aid);



	mutex_lock(&mvm->mutex);

	ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,

						   DATA_PATH_GROUP, 0), 0,

				   sizeof(he_mon_cmd), &he_mon_cmd);

	mutex_unlock(&mvm->mutex);



	return ret ?: count;

}



static ssize_t

iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,

				  size_t count, loff_t *ppos)
@@ -1796,6 +1825,8 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); 
MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);

#endif



MVM_DEBUGFS_WRITE_FILE_OPS(he_sniffer_params, 32);



static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,

				  size_t count, loff_t *ppos)

{
@@ -1984,6 +2015,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) 
#ifdef CONFIG_ACPI

	MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400);

#endif

	MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0200);



	if (!debugfs_create_bool("enable_scan_iteration_notif",

				 0600,