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iwlagn: send RXON timing before associating

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The PAN functionality requires us to send the
timing including a valid DTIM period to the
microcode before associating, so request this
data from mac80211 and send it to the device.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Johannes Berg 2010-08-23 10:46:52 +02:00 committed by Wey-Yi Guy
parent e72f368be6
commit 2491fa42d9
2 changed files with 18 additions and 0 deletions
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16
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -182,6 +182,21 @@ int iwl_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto);
if (new_assoc) {
if (WARN_ON(!ctx->vif))
return -EINVAL;
/*
* First of all, before setting associated, we need to
* send RXON timing so the device knows about the DTIM
* period and other timing values
*/
ret = iwl_send_rxon_timing(priv, ctx->vif);
if (ret) {
IWL_ERR(priv, "Error setting RXON timing!\n");
return ret;
}
}
/* Apply the new configuration
* RXON unassoc clears the station table in uCode so restoration of
* stations is needed after it (the RXON command) completes
@ -3355,6 +3370,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_NEED_DTIM_PERIOD |
IEEE80211_HW_SPECTRUM_MGMT;
if (!priv->cfg->broken_powersave)

2
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -536,6 +536,8 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
rem = do_div(tsf, interval_tm);
ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
ctx->timing.dtim_period = vif->bss_conf.dtim_period;
IWL_DEBUG_ASSOC(priv,
"beacon interval %d beacon timer %d beacon tim %d\n",
le16_to_cpu(ctx->timing.beacon_interval),