iwlwifi/mvm/mac-ctxt.c

86 		 * is an AP, and the beacon interval of the AP is a multiple or
87 		 * divisor of the beacon interval of the client, the same TSF
112 		 * The new interface is AP/GO, so if its beacon interval is a
113 		 * multiple or a divisor of the beacon interval of an existing
603 	 * more beacon intervals happen until the DTIM TBTT. Therefore
788 	/* TODO: Assumes that the beacon id == mac context id */
849 			      u8 *beacon, u32 frame_size)
852 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
855 	 * variable-length part of the beacon. */
856 	tim_idx = mgmt->u.beacon.variable - beacon;
858 	/* Parse variable-length elements of beacon to find WLAN_EID_TIM */
860 			(beacon[tim_idx] != WLAN_EID_TIM))
861 		tim_idx += beacon[tim_idx+1] + 2;
864 	if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
866 		*tim_size = cpu_to_le32((u32)beacon[tim_idx + 1]);
868 		IWL_WARN(mvm, "Unable to find TIM Element in beacon\n");
966 	/* if beacon rate was configured try using it */
978 				    struct sk_buff *beacon,
986 	info = IEEE80211_SKB_CB(beacon);
989 	tx_params->len = cpu_to_le16((u16)beacon->len);
994 		iwl_mvm_bt_coex_tx_prio(mvm, (void *)beacon->data, info, 0) <<
1017 				     struct sk_buff *beacon,
1028 	cmd.len[1] = beacon->len;
1029 	cmd.data[1] = beacon->data;
1037 					   struct sk_buff *beacon)
1042 	iwl_mvm_mac_ctxt_set_tx(mvm, vif, beacon, &beacon_cmd.tx);
1049 					 beacon->data, beacon->len);
1051 	return iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1057 					   struct sk_buff *beacon)
1062 	iwl_mvm_mac_ctxt_set_tx(mvm, vif, beacon, &beacon_cmd.tx);
1069 					 beacon->data, beacon->len);
1072 		cpu_to_le32(iwl_find_ie_offset(beacon->data,
1074 					       beacon->len));
1076 		cpu_to_le32(iwl_find_ie_offset(beacon->data,
1078 					       beacon->len));
1080 	return iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1100 					   struct sk_buff *beacon,
1104 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(beacon);
1129 	beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1143 					 beacon->data, beacon->len);
1146 		cpu_to_le32(iwl_find_ie_offset(beacon->data,
1148 					       beacon->len));
1150 		cpu_to_le32(iwl_find_ie_offset(beacon->data,
1152 					       beacon->len));
1157 			cpu_to_le32(iwl_find_ie_offset(beacon->data,
1159 						       beacon->len));
1161 	return iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1167 					struct sk_buff *beacon,
1170 	if (WARN_ON(!beacon))
1178 		return iwl_mvm_mac_ctxt_send_beacon_v6(mvm, vif, beacon);
1182 		return iwl_mvm_mac_ctxt_send_beacon_v9(mvm, vif, beacon,
1185 	return iwl_mvm_mac_ctxt_send_beacon_v7(mvm, vif, beacon);
1188 /* The beacon template for the AP/GO/IBSS has changed and needs update */
1193 	struct sk_buff *beacon;
1199 	beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL,
1201 	if (!beacon)
1206 		dev_kfree_skb(beacon);
1211 	ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon, link_conf);
1212 	dev_kfree_skb(beacon);
1297 	 * Only set the beacon time when the MAC is being added, when we
1324 	/* TODO: Assume that the beacon id == mac context id */
1469 	/* Don't start to countdown from a failed beacon */
1505 	struct iwl_extended_beacon_notif *beacon = (void *)pkt->data;
1514 	mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2);
1527 			     "beacon status %#x retries:%d tsf:0x%016llX gp2:0x%X rate:%d\n",
1529 			     le64_to_cpu(beacon->tsf),
1533 		if (unlikely(pkt_len < sizeof(*beacon)))
1536 		mvm->ibss_manager = beacon->ibss_mgr_status != 0;
1537 		status = le32_to_cpu(beacon->status) & TX_STATUS_MSK;
1539 			     "beacon status %#x tsf:0x%016llX gp2:0x%X\n",
1540 			     status, le64_to_cpu(beacon->tsf),
1558 		 * stations. If this is the first beacon (the timeout wasn't
1624 	IWL_DEBUG_INFO(mvm, "missed beacon mac_type=%u,\n", mac_type);