SCAN_CONFIG_FLAG_CLEAR_CAM_MODE = BIT(19),
SCAN_CONFIG_FLAG_SET_PROMISC_MODE = BIT(20),
SCAN_CONFIG_FLAG_CLEAR_PROMISC_MODE = BIT(21),
+ SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED = BIT(22),
+ SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED = BIT(23),
/* Bits 26-31 are for num of channels in channel_array */
#define SCAN_CONFIG_N_CHANNELS(n) ((n) << 26)
IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE = BIT(3),
};
+/**
+ * struct iwl_scan_dwell
+ * @active: default dwell time for active scan
+ * @passive: default dwell time for passive scan
+ * @fragmented: default dwell time for fragmented scan
+ * @extended: default dwell time for channels 1, 6 and 11
+ */
+struct iwl_scan_dwell {
+ u8 active;
+ u8 passive;
+ u8 fragmented;
+ u8 extended;
+} __packed;
+
/**
* struct iwl_scan_config
* @flags: enum scan_config_flags
* @legacy_rates: default legacy rates - enum scan_config_rates
* @out_of_channel_time: default max out of serving channel time
* @suspend_time: default max suspend time
- * @dwell_active: default dwell time for active scan
- * @dwell_passive: default dwell time for passive scan
- * @dwell_fragmented: default dwell time for fragmented scan
- * @dwell_extended: default dwell time for channels 1, 6 and 11
+ * @dwell: dwells for the scan
* @mac_addr: default mac address to be used in probes
* @bcast_sta_id: the index of the station in the fw
* @channel_flags: default channel flags - enum iwl_channel_flags
__le32 legacy_rates;
__le32 out_of_channel_time;
__le32 suspend_time;
- u8 dwell_active;
- u8 dwell_passive;
- u8 dwell_fragmented;
- u8 dwell_extended;
+ struct iwl_scan_dwell dwell;
u8 mac_addr[ETH_ALEN];
u8 bcast_sta_id;
u8 channel_flags;
u8 channel_array[];
} __packed; /* SCAN_CONFIG_DB_CMD_API_S */
+#define SCAN_TWO_LMACS 2
+
+struct iwl_scan_config_cdb {
+ __le32 flags;
+ __le32 tx_chains;
+ __le32 rx_chains;
+ __le32 legacy_rates;
+ __le32 out_of_channel_time[SCAN_TWO_LMACS];
+ __le32 suspend_time[SCAN_TWO_LMACS];
+ struct iwl_scan_dwell dwell;
+ u8 mac_addr[ETH_ALEN];
+ u8 bcast_sta_id;
+ u8 channel_flags;
+ u8 channel_array[];
+} __packed; /* SCAN_CONFIG_DB_CMD_API_S_3 */
+
/**
* iwl_umac_scan_flags
*@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request
};
enum iwl_umac_scan_general_flags {
- IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC = BIT(0),
- IWL_UMAC_SCAN_GEN_FLAGS_OVER_BT = BIT(1),
- IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL = BIT(2),
- IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE = BIT(3),
- IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT = BIT(4),
- IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE = BIT(5),
- IWL_UMAC_SCAN_GEN_FLAGS_MULTIPLE_SSID = BIT(6),
- IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED = BIT(7),
- IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED = BIT(8),
- IWL_UMAC_SCAN_GEN_FLAGS_MATCH = BIT(9),
- IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL = BIT(10),
+ IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC = BIT(0),
+ IWL_UMAC_SCAN_GEN_FLAGS_OVER_BT = BIT(1),
+ IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL = BIT(2),
+ IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE = BIT(3),
+ IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT = BIT(4),
+ IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE = BIT(5),
+ IWL_UMAC_SCAN_GEN_FLAGS_MULTIPLE_SSID = BIT(6),
+ IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED = BIT(7),
+ IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED = BIT(8),
+ IWL_UMAC_SCAN_GEN_FLAGS_MATCH = BIT(9),
+ IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL = BIT(10),
+ IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED = BIT(11),
};
/**
* @active_dwell: dwell time for active scan
* @passive_dwell: dwell time for passive scan
* @fragmented_dwell: dwell time for fragmented passive scan
- * @max_out_time: max out of serving channel time
- * @suspend_time: max suspend 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
u8 active_dwell;
u8 passive_dwell;
u8 fragmented_dwell;
- __le32 max_out_time;
- __le32 suspend_time;
- __le32 scan_priority;
- /* SCAN_CHANNEL_PARAMS_API_S_VER_4 */
- u8 channel_flags;
- u8 n_channels;
- __le16 reserved;
- u8 data[];
-} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
+ union {
+ struct {
+ __le32 max_out_time;
+ __le32 suspend_time;
+ __le32 scan_priority;
+ /* SCAN_CHANNEL_PARAMS_API_S_VER_4 */
+ u8 channel_flags;
+ u8 n_channels;
+ __le16 reserved;
+ u8 data[];
+ } no_cdb; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
+ struct {
+ __le32 max_out_time[SCAN_TWO_LMACS];
+ __le32 suspend_time[SCAN_TWO_LMACS];
+ __le32 scan_priority;
+ /* SCAN_CHANNEL_PARAMS_API_S_VER_4 */
+ u8 channel_flags;
+ u8 n_channels;
+ __le16 reserved;
+ u8 data[];
+ } cdb; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_5 */
+ };
+} __packed;
+
+#define IWL_SCAN_REQ_UMAC_SIZE_CDB sizeof(struct iwl_scan_req_umac)
+#define IWL_SCAN_REQ_UMAC_SIZE (sizeof(struct iwl_scan_req_umac) - \
+ 2 * sizeof(__le32))
/**
* struct iwl_umac_scan_abort
return cpu_to_le32(rates);
}
-int iwl_mvm_config_scan(struct iwl_mvm *mvm)
+static void iwl_mvm_fill_scan_dwell(struct iwl_mvm *mvm,
+ struct iwl_scan_dwell *dwell,
+ struct iwl_mvm_scan_timing_params *timing)
+{
+ dwell->active = timing->dwell_active;
+ dwell->passive = timing->dwell_passive;
+ dwell->fragmented = timing->dwell_fragmented;
+ dwell->extended = timing->dwell_extended;
+}
+
+static void iwl_mvm_fill_channels(struct iwl_mvm *mvm, u8 *channels)
{
- struct iwl_scan_config *scan_config;
struct ieee80211_supported_band *band;
- int num_channels =
- mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels +
- mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels;
- int ret, i, j = 0, cmd_size;
+ int i, j = 0;
+
+ band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ];
+ for (i = 0; i < band->n_channels; i++, j++)
+ channels[j] = band->channels[i].hw_value;
+ band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ];
+ for (i = 0; i < band->n_channels; i++, j++)
+ channels[j] = band->channels[i].hw_value;
+}
+
+static void iwl_mvm_fill_scan_config(struct iwl_mvm *mvm, void *config,
+ u32 flags, u8 channel_flags)
+{
+ enum iwl_mvm_scan_type type = iwl_mvm_get_scan_type(mvm, false);
+ struct iwl_scan_config *cfg = config;
+
+ cfg->flags = cpu_to_le32(flags);
+ cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
+ cfg->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
+ cfg->legacy_rates = iwl_mvm_scan_config_rates(mvm);
+ cfg->out_of_channel_time = cpu_to_le32(scan_timing[type].max_out_time);
+ cfg->suspend_time = cpu_to_le32(scan_timing[type].suspend_time);
+
+ iwl_mvm_fill_scan_dwell(mvm, &cfg->dwell, &scan_timing[type]);
+
+ memcpy(&cfg->mac_addr, &mvm->addresses[0].addr, ETH_ALEN);
+
+ cfg->bcast_sta_id = mvm->aux_sta.sta_id;
+ cfg->channel_flags = channel_flags;
+
+ iwl_mvm_fill_channels(mvm, cfg->channel_array);
+}
+
+static void iwl_mvm_fill_scan_config_cdb(struct iwl_mvm *mvm, void *config,
+ u32 flags, u8 channel_flags)
+{
+ enum iwl_mvm_scan_type type = iwl_mvm_get_scan_type(mvm, false);
+ struct iwl_scan_config_cdb *cfg = config;
+
+ cfg->flags = cpu_to_le32(flags);
+ cfg->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
+ cfg->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
+ cfg->legacy_rates = iwl_mvm_scan_config_rates(mvm);
+ cfg->out_of_channel_time[0] =
+ cpu_to_le32(scan_timing[type].max_out_time);
+ cfg->out_of_channel_time[1] =
+ cpu_to_le32(scan_timing[type].max_out_time);
+ cfg->suspend_time[0] = cpu_to_le32(scan_timing[type].suspend_time);
+ cfg->suspend_time[1] = cpu_to_le32(scan_timing[type].suspend_time);
+
+ iwl_mvm_fill_scan_dwell(mvm, &cfg->dwell, &scan_timing[type]);
+
+ memcpy(&cfg->mac_addr, &mvm->addresses[0].addr, ETH_ALEN);
+
+ cfg->bcast_sta_id = mvm->aux_sta.sta_id;
+ cfg->channel_flags = channel_flags;
+
+ iwl_mvm_fill_channels(mvm, cfg->channel_array);
+}
+
+int iwl_mvm_config_scan(struct iwl_mvm *mvm)
+{
+ void *cfg;
+ int ret, cmd_size;
struct iwl_host_cmd cmd = {
.id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0),
};
enum iwl_mvm_scan_type type = iwl_mvm_get_scan_type(mvm, false);
+ int num_channels =
+ mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels +
+ mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels;
+ u32 flags;
+ u8 channel_flags;
if (WARN_ON(num_channels > mvm->fw->ucode_capa.n_scan_channels))
return -ENOBUFS;
return 0;
}
- cmd_size = sizeof(*scan_config) + mvm->fw->ucode_capa.n_scan_channels;
+ if (iwl_mvm_is_cdb_supported(mvm))
+ cmd_size = sizeof(struct iwl_scan_config_cdb);
+ else
+ cmd_size = sizeof(struct iwl_scan_config);
+ cmd_size += mvm->fw->ucode_capa.n_scan_channels;
- scan_config = kzalloc(cmd_size, GFP_KERNEL);
- if (!scan_config)
+ cfg = kzalloc(cmd_size, GFP_KERNEL);
+ if (!cfg)
return -ENOMEM;
- scan_config->flags = cpu_to_le32(SCAN_CONFIG_FLAG_ACTIVATE |
- SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS |
- SCAN_CONFIG_FLAG_SET_TX_CHAINS |
- SCAN_CONFIG_FLAG_SET_RX_CHAINS |
- SCAN_CONFIG_FLAG_SET_AUX_STA_ID |
- SCAN_CONFIG_FLAG_SET_ALL_TIMES |
- SCAN_CONFIG_FLAG_SET_LEGACY_RATES |
- SCAN_CONFIG_FLAG_SET_MAC_ADDR |
- SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS|
- SCAN_CONFIG_N_CHANNELS(num_channels) |
- (type == IWL_SCAN_TYPE_FRAGMENTED ?
- SCAN_CONFIG_FLAG_SET_FRAGMENTED :
- SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED));
- scan_config->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
- scan_config->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
- scan_config->legacy_rates = iwl_mvm_scan_config_rates(mvm);
- scan_config->out_of_channel_time =
- cpu_to_le32(scan_timing[type].max_out_time);
- scan_config->suspend_time = cpu_to_le32(scan_timing[type].suspend_time);
- scan_config->dwell_active = scan_timing[type].dwell_active;
- scan_config->dwell_passive = scan_timing[type].dwell_passive;
- scan_config->dwell_fragmented = scan_timing[type].dwell_fragmented;
- scan_config->dwell_extended = scan_timing[type].dwell_extended;
-
- memcpy(&scan_config->mac_addr, &mvm->addresses[0].addr, ETH_ALEN);
-
- scan_config->bcast_sta_id = mvm->aux_sta.sta_id;
- scan_config->channel_flags = IWL_CHANNEL_FLAG_EBS |
- IWL_CHANNEL_FLAG_ACCURATE_EBS |
- IWL_CHANNEL_FLAG_EBS_ADD |
- IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE;
-
- band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ];
- for (i = 0; i < band->n_channels; i++, j++)
- scan_config->channel_array[j] = band->channels[i].hw_value;
- band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ];
- for (i = 0; i < band->n_channels; i++, j++)
- scan_config->channel_array[j] = band->channels[i].hw_value;
+ flags = SCAN_CONFIG_FLAG_ACTIVATE |
+ SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS |
+ SCAN_CONFIG_FLAG_SET_TX_CHAINS |
+ SCAN_CONFIG_FLAG_SET_RX_CHAINS |
+ SCAN_CONFIG_FLAG_SET_AUX_STA_ID |
+ SCAN_CONFIG_FLAG_SET_ALL_TIMES |
+ SCAN_CONFIG_FLAG_SET_LEGACY_RATES |
+ SCAN_CONFIG_FLAG_SET_MAC_ADDR |
+ SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS |
+ SCAN_CONFIG_N_CHANNELS(num_channels) |
+ (type == IWL_SCAN_TYPE_FRAGMENTED ?
+ SCAN_CONFIG_FLAG_SET_FRAGMENTED :
+ SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED);
+
+ channel_flags = IWL_CHANNEL_FLAG_EBS |
+ IWL_CHANNEL_FLAG_ACCURATE_EBS |
+ IWL_CHANNEL_FLAG_EBS_ADD |
+ IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE;
+
+ if (iwl_mvm_is_cdb_supported(mvm)) {
+ flags |= (type == IWL_SCAN_TYPE_FRAGMENTED) ?
+ SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED :
+ SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED;
+ iwl_mvm_fill_scan_config_cdb(mvm, cfg, flags, channel_flags);
+ } else {
+ iwl_mvm_fill_scan_config(mvm, cfg, flags, channel_flags);
+ }
- cmd.data[0] = scan_config;
+ cmd.data[0] = cfg;
cmd.len[0] = cmd_size;
cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
if (!ret)
mvm->scan_type = type;
- kfree(scan_config);
+ kfree(cfg);
return ret;
}
struct iwl_scan_req_umac *cmd,
struct iwl_mvm_scan_params *params)
{
+ struct iwl_mvm_scan_timing_params *timing = &scan_timing[params->type];
+
if (params->measurement_dwell) {
cmd->active_dwell = params->measurement_dwell;
cmd->passive_dwell = params->measurement_dwell;
cmd->extended_dwell = params->measurement_dwell;
} else {
- cmd->active_dwell = scan_timing[params->type].dwell_active;
- cmd->passive_dwell = scan_timing[params->type].dwell_passive;
- cmd->extended_dwell = scan_timing[params->type].dwell_extended;
+ cmd->active_dwell = timing->dwell_active;
+ cmd->passive_dwell = timing->dwell_passive;
+ cmd->extended_dwell = timing->dwell_extended;
+ }
+ cmd->fragmented_dwell = timing->dwell_fragmented;
+
+ if (iwl_mvm_is_cdb_supported(mvm)) {
+ cmd->cdb.max_out_time[0] = cpu_to_le32(timing->max_out_time);
+ cmd->cdb.suspend_time[0] = cpu_to_le32(timing->suspend_time);
+ cmd->cdb.max_out_time[1] = cpu_to_le32(timing->max_out_time);
+ cmd->cdb.suspend_time[1] = cpu_to_le32(timing->suspend_time);
+ cmd->cdb.scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
+ } else {
+ cmd->no_cdb.max_out_time = cpu_to_le32(timing->max_out_time);
+ cmd->no_cdb.suspend_time = cpu_to_le32(timing->suspend_time);
+ cmd->no_cdb.scan_priority =
+ cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
}
- cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented;
- cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time);
- cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time);
- cmd->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
if (iwl_mvm_is_regular_scan(params))
cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm,
struct ieee80211_channel **channels,
int n_channels, u32 ssid_bitmap,
- struct iwl_scan_req_umac *cmd)
+ struct iwl_scan_channel_cfg_umac *channel_cfg)
{
- struct iwl_scan_channel_cfg_umac *channel_cfg = (void *)&cmd->data;
int i;
for (i = 0; i < n_channels; i++) {
if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0)
flags |= IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT;
- if (params->type == IWL_SCAN_TYPE_FRAGMENTED)
+ if (params->type == IWL_SCAN_TYPE_FRAGMENTED) {
flags |= IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED;
+ if (iwl_mvm_is_cdb_supported(mvm))
+ flags |= IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED;
+ }
if (iwl_mvm_rrm_scan_needed(mvm))
flags |= IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED;
int type)
{
struct iwl_scan_req_umac *cmd = mvm->scan_cmd;
- struct iwl_scan_req_umac_tail *sec_part = (void *)&cmd->data +
+ void *cmd_data = iwl_mvm_is_cdb_supported(mvm) ?
+ (void *)&cmd->cdb.data : (void *)&cmd->no_cdb.data;
+ struct iwl_scan_req_umac_tail *sec_part = cmd_data +
sizeof(struct iwl_scan_channel_cfg_umac) *
mvm->fw->ucode_capa.n_scan_channels;
int uid, i;
u32 ssid_bitmap = 0;
+ u8 channel_flags = 0;
struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif);
lockdep_assert_held(&mvm->mutex);
cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE);
if (iwl_mvm_scan_use_ebs(mvm, vif))
- cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS |
- IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
- IWL_SCAN_CHANNEL_FLAG_CACHE_ADD;
+ channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS |
+ IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
+ IWL_SCAN_CHANNEL_FLAG_CACHE_ADD;
- cmd->n_channels = params->n_channels;
+ if (iwl_mvm_is_cdb_supported(mvm)) {
+ cmd->cdb.channel_flags = channel_flags;
+ cmd->cdb.n_channels = params->n_channels;
+ } else {
+ cmd->no_cdb.channel_flags = channel_flags;
+ cmd->no_cdb.n_channels = params->n_channels;
+ }
iwl_scan_build_ssids(params, sec_part->direct_scan, &ssid_bitmap);
iwl_mvm_umac_scan_cfg_channels(mvm, params->channels,
- params->n_channels, ssid_bitmap, cmd);
+ params->n_channels, ssid_bitmap,
+ cmd_data);
for (i = 0; i < params->n_scan_plans; i++) {
struct cfg80211_sched_scan_plan *scan_plan =
int iwl_mvm_scan_size(struct iwl_mvm *mvm)
{
+ int base_size = IWL_SCAN_REQ_UMAC_SIZE;
+
+ if (iwl_mvm_is_cdb_supported(mvm))
+ base_size = IWL_SCAN_REQ_UMAC_SIZE_CDB;
+
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
- return sizeof(struct iwl_scan_req_umac) +
+ return base_size +
sizeof(struct iwl_scan_channel_cfg_umac) *
mvm->fw->ucode_capa.n_scan_channels +
sizeof(struct iwl_scan_req_umac_tail);