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iwlwifi: mvm: document RX structures 

Document the structures used in RX and link them to the command ID.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2017-03-15 14:06:53 +01:00 committed by Luca Coelho
parent f5bd90b72d
commit 6857df8c10
2 changed files with 84 additions and 5 deletions
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81
drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
View File

@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -34,7 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -349,35 +349,106 @@ enum iwl_rx_mpdu_mac_info {
IWL_RX_MPDU_PHY_PHY_INDEX_MASK = 0xf0,
};
/**
* struct iwl_rx_mpdu_desc - RX MPDU descriptor
*/
struct iwl_rx_mpdu_desc {
/* DW2 */
/**
* @mpdu_len: MPDU length
*/
__le16 mpdu_len;
/**
* @mac_flags1: &enum iwl_rx_mpdu_mac_flags1
*/
u8 mac_flags1;
/**
* @mac_flags2: &enum iwl_rx_mpdu_mac_flags2
*/
u8 mac_flags2;
/* DW3 */
/**
* @amsdu_info: &enum iwl_rx_mpdu_amsdu_info
*/
u8 amsdu_info;
/**
* @phy_info: &enum iwl_rx_mpdu_phy_info
*/
__le16 phy_info;
/**
* @mac_phy_idx: MAC/PHY index
*/
u8 mac_phy_idx;
/* DW4 - carries csum data only when rpa_en == 1 */
__le16 raw_csum; /* alledgedly unreliable */
/**
* @raw_csum: raw checksum (alledgedly unreliable)
*/
__le16 raw_csum;
/**
* @l3l4_flags: &enum iwl_rx_l3l4_flags
*/
__le16 l3l4_flags;
/* DW5 */
/**
* @status: &enum iwl_rx_mpdu_status
*/
__le16 status;
/**
* @hash_filter: hash filter value
*/
u8 hash_filter;
/**
* @sta_id_flags: &enum iwl_rx_mpdu_sta_id_flags
*/
u8 sta_id_flags;
/* DW6 */
/**
* @reorder_data: &enum iwl_rx_mpdu_reorder_data
*/
__le32 reorder_data;
/* DW7 - carries rss_hash only when rpa_en == 1 */
/**
* @rss_hash: RSS hash value
*/
__le32 rss_hash;
/* DW8 - carries filter_match only when rpa_en == 1 */
/**
* @filter_match: filter match value
*/
__le32 filter_match;
/* DW9 */
/**
* @rate_n_flags: RX rate/flags encoding
*/
__le32 rate_n_flags;
/* DW10 */
u8 energy_a, energy_b, channel, mac_context;
/**
* @energy_a: energy chain A
*/
u8 energy_a;
/**
* @energy_b: energy chain B
*/
u8 energy_b;
/**
* @channel: channel number
*/
u8 channel;
/**
* @mac_context: MAC context mask
*/
u8 mac_context;
/* DW11 */
/**
* @gp2_on_air_rise: GP2 timer value on air rise (INA)
*/
__le32 gp2_on_air_rise;
/* DW12 & DW13 - carries TSF only TSF_OVERLOAD bit == 0 */
/* DW12 & DW13 */
/**
* @tsf_on_air_rise:
* TSF value on air rise (INA), only valid if
* %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
*/
__le64 tsf_on_air_rise;
} __packed;

8
drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
View File

@ -373,7 +373,15 @@ enum iwl_legacy_cmds {
*/
RSS_CONFIG_CMD = 0xb3,
/**
* @REPLY_RX_PHY_CMD: &struct iwl_rx_phy_info
*/
REPLY_RX_PHY_CMD = 0xc0,
/**
* @REPLY_RX_MPDU_CMD:
* &struct iwl_rx_mpdu_res_start or &struct iwl_rx_mpdu_desc
*/
REPLY_RX_MPDU_CMD = 0xc1,
FRAME_RELEASE = 0xc3,
BA_NOTIF = 0xc5,