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authorWey-Yi Guy2011-07-07 17:27:41 +0200
committerWey-Yi Guy2011-07-16 16:37:21 +0200
commite505c433d35900d98870a2e266759166a03030dc (patch)
treef794a04be235fb7a925b7adb0a507ae72e37fbc6 /drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
parentiwlagn: move the Rx dispatching to the upper layer (diff)
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iwlagn: remove un-necessary file
Most of the functions in iwl-agn-hcmd are move to other files, no point to keep the file anymore. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rxon.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rxon.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index dc64f2515357..53e74752d130 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -303,6 +303,99 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv,
return 0;
}
+int iwlagn_set_pan_params(struct iwl_priv *priv)
+{
+ struct iwl_wipan_params_cmd cmd;
+ struct iwl_rxon_context *ctx_bss, *ctx_pan;
+ int slot0 = 300, slot1 = 0;
+ int ret;
+
+ if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS))
+ return 0;
+
+ BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
+
+ lockdep_assert_held(&priv->mutex);
+
+ ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS];
+ ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN];
+
+ /*
+ * If the PAN context is inactive, then we don't need
+ * to update the PAN parameters, the last thing we'll
+ * have done before it goes inactive is making the PAN
+ * parameters be WLAN-only.
+ */
+ if (!ctx_pan->is_active)
+ return 0;
+
+ memset(&cmd, 0, sizeof(cmd));
+
+ /* only 2 slots are currently allowed */
+ cmd.num_slots = 2;
+
+ cmd.slots[0].type = 0; /* BSS */
+ cmd.slots[1].type = 1; /* PAN */
+
+ if (priv->_agn.hw_roc_channel) {
+ /* both contexts must be used for this to happen */
+ slot1 = priv->_agn.hw_roc_duration;
+ slot0 = IWL_MIN_SLOT_TIME;
+ } else if (ctx_bss->vif && ctx_pan->vif) {
+ int bcnint = ctx_pan->vif->bss_conf.beacon_int;
+ int dtim = ctx_pan->vif->bss_conf.dtim_period ?: 1;
+
+ /* should be set, but seems unused?? */
+ cmd.flags |= cpu_to_le16(IWL_WIPAN_PARAMS_FLG_SLOTTED_MODE);
+
+ if (ctx_pan->vif->type == NL80211_IFTYPE_AP &&
+ bcnint &&
+ bcnint != ctx_bss->vif->bss_conf.beacon_int) {
+ IWL_ERR(priv,
+ "beacon intervals don't match (%d, %d)\n",
+ ctx_bss->vif->bss_conf.beacon_int,
+ ctx_pan->vif->bss_conf.beacon_int);
+ } else
+ bcnint = max_t(int, bcnint,
+ ctx_bss->vif->bss_conf.beacon_int);
+ if (!bcnint)
+ bcnint = DEFAULT_BEACON_INTERVAL;
+ slot0 = bcnint / 2;
+ slot1 = bcnint - slot0;
+
+ if (test_bit(STATUS_SCAN_HW, &priv->status) ||
+ (!ctx_bss->vif->bss_conf.idle &&
+ !ctx_bss->vif->bss_conf.assoc)) {
+ slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME;
+ slot1 = IWL_MIN_SLOT_TIME;
+ } else if (!ctx_pan->vif->bss_conf.idle &&
+ !ctx_pan->vif->bss_conf.assoc) {
+ slot1 = bcnint * 3 - IWL_MIN_SLOT_TIME;
+ slot0 = IWL_MIN_SLOT_TIME;
+ }
+ } else if (ctx_pan->vif) {
+ slot0 = 0;
+ slot1 = max_t(int, 1, ctx_pan->vif->bss_conf.dtim_period) *
+ ctx_pan->vif->bss_conf.beacon_int;
+ slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1);
+
+ if (test_bit(STATUS_SCAN_HW, &priv->status)) {
+ slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME;
+ slot1 = IWL_MIN_SLOT_TIME;
+ }
+ }
+
+ cmd.slots[0].width = cpu_to_le16(slot0);
+ cmd.slots[1].width = cpu_to_le16(slot1);
+
+ ret = trans_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC,
+ sizeof(cmd), &cmd);
+ if (ret)
+ IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret);
+
+ return ret;
+}
+
/**
* iwlagn_commit_rxon - commit staging_rxon to hardware
*