iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iwlwifi: fw api: support the new scan request FW API version

Browse Source 
Remove fragmented_dwell_time and add num_of_fragments to support
the new API version.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Ayala Beker 2017-12-13 15:20:21 +02:00 committed by Luca Coelho
parent d270e7b8fa
commit 66fa2424df
4 changed files with 137 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
View File

@ -30,6 +30,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -589,6 +590,15 @@ enum iwl_umac_scan_general_flags {
IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_HIGH_TX_RATE = BIT(15),
};
/**
* enum iwl_umac_scan_general_flags2 - UMAC scan general flags #2
* @IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL: Whether to send a complete
* notification per channel or not.
*/
enum iwl_umac_scan_general_flags2 {
IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL = BIT(0),
};
/**
* struct iwl_scan_channel_cfg_umac
* @flags: bitmap - 0-19: directed scan to i'th ssid.
@ -634,6 +644,18 @@ struct iwl_scan_req_umac_tail {
struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
} __packed;
/**
* struct iwl_scan_umac_chan_param
* @flags: channel flags &enum iwl_scan_channel_flags
* @count: num of channels in scan request
* @reserved: for future use and alignment
*/
struct iwl_scan_umac_chan_param {
u8 flags;
u8 count;
__le16 reserved;
} __packed; /*SCAN_CHANNEL_PARAMS_API_S_VER_1 */
/**
* struct iwl_scan_req_umac
* @flags: &enum iwl_umac_scan_flags
@ -642,23 +664,24 @@ struct iwl_scan_req_umac_tail {
* @general_flags: &enum iwl_umac_scan_general_flags
* @scan_start_mac_id: report the scan start TSF time according to this mac TSF
* @extended_dwell: dwell time for channels 1, 6 and 11
* @active_dwell: dwell time for active scan
* @passive_dwell: dwell time for passive scan
* @active_dwell: dwell time for active scan per LMAC
* @passive_dwell: dwell time for passive scan per LMAC
* @fragmented_dwell: dwell time for fragmented passive scan
* @adwell_default_n_aps: for adaptive dwell the default number of APs
* per channel
* @adwell_default_n_aps_social: for adaptive dwell the default
* number of APs per social (1,6,11) channel
* @general_flags2: &enum iwl_umac_scan_general_flags2
* @adwell_max_budget: for adaptive dwell the maximal budget of TU to be added
* to total scan time
* @max_out_time: max out of serving channel time, per LMAC - for CDB there
* are 2 LMACs
* @suspend_time: max suspend time, per LMAC - for CDB there are 2 LMACs
* @scan_priority: scan internal prioritization &enum iwl_scan_priority
* @channel_flags: &enum iwl_scan_channel_flags
* @n_channels: num of channels in scan request
* @num_of_fragments: Number of fragments needed for full coverage per band.
* Relevant only for fragmented scan.
* @channel: &struct iwl_scan_umac_chan_param
* @reserved: for future use and alignment
* @reserved2: for future use and alignment
* @reserved3: for future use and alignment
* @data: &struct iwl_scan_channel_cfg_umac and
* &struct iwl_scan_req_umac_tail
@ -679,10 +702,7 @@ struct iwl_scan_req_umac {
__le32 max_out_time;
__le32 suspend_time;
__le32 scan_priority;
/* SCAN_CHANNEL_PARAMS_API_S_VER_1 */
u8 channel_flags;
u8 n_channels;
__le16 reserved2;
struct iwl_scan_umac_chan_param channel;
u8 data[];
} v1; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
struct {
@ -693,10 +713,7 @@ struct iwl_scan_req_umac {
__le32 max_out_time[SCAN_TWO_LMACS];
__le32 suspend_time[SCAN_TWO_LMACS];
__le32 scan_priority;
/* SCAN_CHANNEL_PARAMS_API_S_VER_1 */
u8 channel_flags;
u8 n_channels;
__le16 reserved2;
struct iwl_scan_umac_chan_param channel;
u8 data[];
} v6; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_6 */
struct {
@ -710,16 +727,30 @@ struct iwl_scan_req_umac {
__le32 max_out_time[SCAN_TWO_LMACS];
__le32 suspend_time[SCAN_TWO_LMACS];
__le32 scan_priority;
/* SCAN_CHANNEL_PARAMS_API_S_VER_1 */
u8 channel_flags;
u8 n_channels;
__le16 reserved2;
struct iwl_scan_umac_chan_param channel;
u8 data[];
} v7; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_7 */
struct {
u8 active_dwell[SCAN_TWO_LMACS];
u8 reserved2;
u8 adwell_default_n_aps;
u8 adwell_default_n_aps_social;
u8 general_flags2;
__le16 adwell_max_budget;
__le32 max_out_time[SCAN_TWO_LMACS];
__le32 suspend_time[SCAN_TWO_LMACS];
__le32 scan_priority;
u8 passive_dwell[SCAN_TWO_LMACS];
u8 num_of_fragments[SCAN_TWO_LMACS];
struct iwl_scan_umac_chan_param channel;
u8 data[];
} v8; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_8 */
};
} __packed;
#define IWL_SCAN_REQ_UMAC_SIZE_V7 sizeof(struct iwl_scan_req_umac)
#define IWL_SCAN_REQ_UMAC_SIZE_V8 sizeof(struct iwl_scan_req_umac)
#define IWL_SCAN_REQ_UMAC_SIZE_V7 (sizeof(struct iwl_scan_req_umac) - \
4 * sizeof(u8))
#define IWL_SCAN_REQ_UMAC_SIZE_V6 (sizeof(struct iwl_scan_req_umac) - \
2 * sizeof(u8) - sizeof(__le16))
#define IWL_SCAN_REQ_UMAC_SIZE_V1 (sizeof(struct iwl_scan_req_umac) - \

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

@ -250,6 +250,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t;
* indicating low latency direction.
* @IWL_UCODE_TLV_API_DEPRECATE_TTAK: RX status flag TTAK ok (bit 7) is
* deprecated.
* @IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2: This ucode supports version 8
* of scan request: SCAN_REQUEST_CMD_UMAC_API_S_VER_8
*
* @NUM_IWL_UCODE_TLV_API: number of bits used
*/
@ -270,6 +272,7 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_NEW_RX_STATS = (__force iwl_ucode_tlv_api_t)35,
IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY = (__force iwl_ucode_tlv_api_t)38,
IWL_UCODE_TLV_API_DEPRECATE_TTAK = (__force iwl_ucode_tlv_api_t)41,
IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2 = (__force iwl_ucode_tlv_api_t)42,
NUM_IWL_UCODE_TLV_API
#ifdef __CHECKER__

6
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -1155,6 +1155,12 @@ static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm)
IWL_UCODE_TLV_API_ADAPTIVE_DWELL);
}
static inline bool iwl_mvm_is_adaptive_dwell_v2_supported(struct iwl_mvm *mvm)
{
return fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2);
}
static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm)
{
/* OCE should never be enabled for LMAC scan FWs */

116
drivers/net/wireless/intel/iwlwifi/mvm/scan.c
View File

@ -35,6 +35,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -85,6 +86,8 @@ enum iwl_mvm_traffic_load {
#define IWL_SCAN_DWELL_PASSIVE 110
#define IWL_SCAN_DWELL_FRAGMENTED 44
#define IWL_SCAN_DWELL_EXTENDED 90
#define IWL_SCAN_NUM_OF_FRAGS 3
/* adaptive dwell max budget time [TU] for full scan */
#define IWL_SCAN_ADWELL_MAX_BUDGET_FULL_SCAN 300
@ -143,6 +146,9 @@ static inline void *iwl_mvm_get_scan_req_umac_data(struct iwl_mvm *mvm)
{
struct iwl_scan_req_umac *cmd = mvm->scan_cmd;
if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm))
return (void *)&cmd->v8.data;
if (iwl_mvm_is_adaptive_dwell_supported(mvm))
return (void *)&cmd->v7.data;
@ -152,6 +158,23 @@ static inline void *iwl_mvm_get_scan_req_umac_data(struct iwl_mvm *mvm)
return (void *)&cmd->v1.data;
}
static inline struct iwl_scan_umac_chan_param *
iwl_mvm_get_scan_req_umac_channel(struct iwl_mvm *mvm)
{
struct iwl_scan_req_umac *cmd = mvm->scan_cmd;
if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm))
return &cmd->v8.channel;
if (iwl_mvm_is_adaptive_dwell_supported(mvm))
return &cmd->v7.channel;
if (iwl_mvm_has_new_tx_api(mvm))
return &cmd->v6.channel;
return &cmd->v1.channel;
}
static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm)
{
if (mvm->scan_rx_ant != ANT_NONE)
@ -1122,17 +1145,16 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_umac *cmd,
struct iwl_mvm_scan_params *params)
{
struct iwl_mvm_scan_timing_params *timing = &scan_timing[params->type];
struct iwl_mvm_scan_timing_params *timing, *hb_timing;
u8 active_dwell, passive_dwell;
timing = &scan_timing[params->type];
active_dwell = params->measurement_dwell ?
params->measurement_dwell : IWL_SCAN_DWELL_ACTIVE;
passive_dwell = params->measurement_dwell ?
params->measurement_dwell : IWL_SCAN_DWELL_PASSIVE;
if (iwl_mvm_is_adaptive_dwell_supported(mvm)) {
if (params->measurement_dwell) {
cmd->v7.active_dwell = params->measurement_dwell;
cmd->v7.passive_dwell = params->measurement_dwell;
} else {
cmd->v7.active_dwell = IWL_SCAN_DWELL_ACTIVE;
cmd->v7.passive_dwell = IWL_SCAN_DWELL_PASSIVE;
}
cmd->v7.fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED;
cmd->v7.adwell_default_n_aps_social =
IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL;
cmd->v7.adwell_default_n_aps =
@ -1154,26 +1176,39 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm,
cpu_to_le32(timing->max_out_time);
cmd->v7.suspend_time[SCAN_LB_LMAC_IDX] =
cpu_to_le32(timing->suspend_time);
if (iwl_mvm_is_cdb_supported(mvm)) {
cmd->v6.max_out_time[SCAN_HB_LMAC_IDX] =
cpu_to_le32(timing->max_out_time);
cmd->v6.suspend_time[SCAN_HB_LMAC_IDX] =
cpu_to_le32(timing->suspend_time);
hb_timing = &scan_timing[params->type];
cmd->v7.max_out_time[SCAN_HB_LMAC_IDX] =
cpu_to_le32(hb_timing->max_out_time);
cmd->v7.suspend_time[SCAN_HB_LMAC_IDX] =
cpu_to_le32(hb_timing->suspend_time);
}
if (!iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) {
cmd->v7.active_dwell = active_dwell;
cmd->v7.passive_dwell = passive_dwell;
cmd->v7.fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED;
} else {
cmd->v8.active_dwell[SCAN_LB_LMAC_IDX] = active_dwell;
cmd->v8.passive_dwell[SCAN_LB_LMAC_IDX] = passive_dwell;
if (iwl_mvm_is_cdb_supported(mvm)) {
cmd->v8.active_dwell[SCAN_HB_LMAC_IDX] =
active_dwell;
cmd->v8.passive_dwell[SCAN_HB_LMAC_IDX] =
passive_dwell;
}
}
} else {
if (params->measurement_dwell) {
cmd->v1.active_dwell = params->measurement_dwell;
cmd->v1.passive_dwell = params->measurement_dwell;
cmd->v1.extended_dwell = params->measurement_dwell;
} else {
cmd->v1.active_dwell = IWL_SCAN_DWELL_ACTIVE;
cmd->v1.passive_dwell = IWL_SCAN_DWELL_PASSIVE;
cmd->v1.extended_dwell = IWL_SCAN_DWELL_EXTENDED;
}
cmd->v1.extended_dwell = params->measurement_dwell ?
params->measurement_dwell : IWL_SCAN_DWELL_EXTENDED;
cmd->v1.active_dwell = active_dwell;
cmd->v1.passive_dwell = passive_dwell;
cmd->v1.fragmented_dwell = IWL_SCAN_DWELL_FRAGMENTED;
if (iwl_mvm_is_cdb_supported(mvm)) {
struct iwl_mvm_scan_timing_params *hb_timing =
&scan_timing[params->type];
hb_timing = &scan_timing[params->type];
cmd->v6.max_out_time[SCAN_HB_LMAC_IDX] =
cpu_to_le32(hb_timing->max_out_time);
@ -1298,6 +1333,7 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int type)
{
struct iwl_scan_req_umac *cmd = mvm->scan_cmd;
struct iwl_scan_umac_chan_param *chan_param;
void *cmd_data = iwl_mvm_get_scan_req_umac_data(mvm);
struct iwl_scan_req_umac_tail *sec_part = cmd_data +
sizeof(struct iwl_scan_channel_cfg_umac) *
@ -1305,8 +1341,11 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int uid, i;
u32 ssid_bitmap = 0;
u8 channel_flags = 0;
u16 gen_flags;
struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif);
chan_param = iwl_mvm_get_scan_req_umac_channel(mvm);
lockdep_assert_held(&mvm->mutex);
if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS))
@ -1323,8 +1362,17 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvm->scan_uid_status[uid] = type;
cmd->uid = cpu_to_le32(uid);
cmd->general_flags = cpu_to_le16(iwl_mvm_scan_umac_flags(mvm, params,
vif));
gen_flags = iwl_mvm_scan_umac_flags(mvm, params, vif);
cmd->general_flags = cpu_to_le16(gen_flags);
if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm)) {
if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED)
cmd->v8.num_of_fragments[SCAN_LB_LMAC_IDX] =
IWL_SCAN_NUM_OF_FRAGS;
if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED)
cmd->v8.num_of_fragments[SCAN_HB_LMAC_IDX] =
IWL_SCAN_NUM_OF_FRAGS;
}
cmd->scan_start_mac_id = scan_vif->id;
if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT)
@ -1335,16 +1383,8 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
IWL_SCAN_CHANNEL_FLAG_CACHE_ADD;
if (iwl_mvm_is_adaptive_dwell_supported(mvm)) {
cmd->v7.channel_flags = channel_flags;
cmd->v7.n_channels = params->n_channels;
} else if (iwl_mvm_has_new_tx_api(mvm)) {
cmd->v6.channel_flags = channel_flags;
cmd->v6.n_channels = params->n_channels;
} else {
cmd->v1.channel_flags = channel_flags;
cmd->v1.n_channels = params->n_channels;
}
chan_param->flags = channel_flags;
chan_param->count = params->n_channels;
iwl_scan_build_ssids(params, sec_part->direct_scan, &ssid_bitmap);
@ -1783,7 +1823,9 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm)
{
int base_size = IWL_SCAN_REQ_UMAC_SIZE_V1;
if (iwl_mvm_is_adaptive_dwell_supported(mvm))
if (iwl_mvm_is_adaptive_dwell_v2_supported(mvm))
base_size = IWL_SCAN_REQ_UMAC_SIZE_V8;
else if (iwl_mvm_is_adaptive_dwell_supported(mvm))
base_size = IWL_SCAN_REQ_UMAC_SIZE_V7;
else if (iwl_mvm_has_new_tx_api(mvm))
base_size = IWL_SCAN_REQ_UMAC_SIZE_V6;