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authorJohannes Berg <johannes.berg@intel.com>2010-08-23 10:46:52 +0200
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2010-08-27 09:29:55 -0700
commit2491fa42d9bdf26075765db5d091b5d7225ca636 (patch)
treee7f7795676564716a4881d49b6b9ae03790bf49a
parente72f368be61d9835c98cd00ee1f330d28e2488ef (diff)
iwlagn: send RXON timing before associating
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>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c16
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c2
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 143c12a29fd..79aff1fb85a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -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)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index fb9173b1e5a..04d7894e000 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -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),