3  * Copyright 2013-2014  Intel Mobile Communications GmbH
38 	switch (skb->priority) {  in wme_downgrade_ac()
39 	case 6:  in wme_downgrade_ac()
40 	case 7:  in wme_downgrade_ac()
41 		skb->priority = 5; /* VO -> VI */  in wme_downgrade_ac()
43 	case 4:  in wme_downgrade_ac()
44 	case 5:  in wme_downgrade_ac()
45 		skb->priority = 3; /* VI -> BE */  in wme_downgrade_ac()
47 	case 0:  in wme_downgrade_ac()
48 	case 3:  in wme_downgrade_ac()
49 		skb->priority = 2; /* BE -> BK */  in wme_downgrade_ac()
52 		return -1;  in wme_downgrade_ac()
57  * ieee80211_fix_reserved_tid - return the TID to use if this one is reserved
58  * @tid: the assumed-reserved TID
60  * Returns: the alternative TID to use, or 0 on error
65 	case 0:  in ieee80211_fix_reserved_tid()
67 	case 1:  in ieee80211_fix_reserved_tid()
69 	case 2:  in ieee80211_fix_reserved_tid()
71 	case 3:  in ieee80211_fix_reserved_tid()
73 	case 4:  in ieee80211_fix_reserved_tid()
75 	case 5:  in ieee80211_fix_reserved_tid()
77 	case 6:  in ieee80211_fix_reserved_tid()
79 	case 7:  in ieee80211_fix_reserved_tid()
89 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_downgrade_queue()
91 	/* in case we are a client verify acm is not set for this ac */  in ieee80211_downgrade_queue()
92 	while (sdata->wmm_acm & BIT(skb->priority)) {  in ieee80211_downgrade_queue()
93 		int ac = ieee802_1d_to_ac[skb->priority];  in ieee80211_downgrade_queue()
95 		if (ifmgd->tx_tspec[ac].admitted_time &&  in ieee80211_downgrade_queue()
96 		    skb->priority == ifmgd->tx_tspec[ac].up)  in ieee80211_downgrade_queue()
111 	if (sta && sta->reserved_tid == skb->priority)  in ieee80211_downgrade_queue()
112 		skb->priority = ieee80211_fix_reserved_tid(skb->priority);  in ieee80211_downgrade_queue()
114 	/* look up which queue to use for frames with this 1d tag */  in ieee80211_downgrade_queue()
115 	return ieee802_1d_to_ac[skb->priority];  in ieee80211_downgrade_queue()
118 /* Indicate which queue to use for this fully formed 802.11 frame */
123 	struct ieee80211_local *local = sdata->local;  in ieee80211_select_queue_80211()
126 	if (local->hw.queues < IEEE80211_NUM_ACS)  in ieee80211_select_queue_80211()
129 	if (!ieee80211_is_data(hdr->frame_control)) {  in ieee80211_select_queue_80211()
130 		skb->priority = 7;  in ieee80211_select_queue_80211()
131 		return ieee802_1d_to_ac[skb->priority];  in ieee80211_select_queue_80211()
133 	if (!ieee80211_is_data_qos(hdr->frame_control)) {  in ieee80211_select_queue_80211()
134 		skb->priority = 0;  in ieee80211_select_queue_80211()
135 		return ieee802_1d_to_ac[skb->priority];  in ieee80211_select_queue_80211()
139 	skb->priority = *p & IEEE80211_QOS_CTL_TAG1D_MASK;  in ieee80211_select_queue_80211()
144 /* Indicate which queue to use. */
148 	struct ieee80211_local *local = sdata->local;  in ieee80211_select_queue()
155 	if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {  in ieee80211_select_queue()
156 		skb->priority = 0; /* required for correct WPA/11i MIC */  in ieee80211_select_queue()
161 	switch (sdata->vif.type) {  in ieee80211_select_queue()
162 	case NL80211_IFTYPE_AP_VLAN:  in ieee80211_select_queue()
163 		sta = rcu_dereference(sdata->u.vlan.sta);  in ieee80211_select_queue()
165 			qos = sta->sta.wme;  in ieee80211_select_queue()
169 	case NL80211_IFTYPE_AP:  in ieee80211_select_queue()
170 		ra = skb->data;  in ieee80211_select_queue()
172 	case NL80211_IFTYPE_WDS:  in ieee80211_select_queue()
173 		ra = sdata->u.wds.remote_addr;  in ieee80211_select_queue()
176 	case NL80211_IFTYPE_MESH_POINT:  in ieee80211_select_queue()
180 	case NL80211_IFTYPE_STATION:  in ieee80211_select_queue()
182 		sta = sta_info_get(sdata, skb->data);  in ieee80211_select_queue()
184 			qos = sta->sta.wme;  in ieee80211_select_queue()
186 		ra = sdata->u.mgd.bssid;  in ieee80211_select_queue()
188 	case NL80211_IFTYPE_ADHOC:  in ieee80211_select_queue()
189 		ra = skb->data;  in ieee80211_select_queue()
191 	case NL80211_IFTYPE_OCB:  in ieee80211_select_queue()
202 			qos = sta->sta.wme;  in ieee80211_select_queue()
206 		skb->priority = 0; /* required for correct WPA/11i MIC */  in ieee80211_select_queue()
211 	if (skb->protocol == sdata->control_port_protocol) {  in ieee80211_select_queue()
212 		skb->priority = 7;  in ieee80211_select_queue()
216 	/* use the data classifier to determine what 802.1d tag the  in ieee80211_select_queue()
218 	qos_map = rcu_dereference(sdata->qos_map);  in ieee80211_select_queue()
219 	skb->priority = cfg80211_classify8021d(skb, qos_map ?  in ieee80211_select_queue()
220 					       &qos_map->qos_map : NULL);  in ieee80211_select_queue()
230  * ieee80211_set_qos_hdr - Fill in the QoS header if there is one.
238 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_set_qos_hdr()
240 	u8 tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;  in ieee80211_set_qos_hdr()
244 	if (!ieee80211_is_data_qos(hdr->frame_control))  in ieee80211_set_qos_hdr()
258 	if (is_multicast_ether_addr(hdr->addr1) ||  in ieee80211_set_qos_hdr()
259 	    sdata->noack_map & BIT(tid)) {  in ieee80211_set_qos_hdr()
261 		info->flags |= IEEE80211_TX_CTL_NO_ACK;  in ieee80211_set_qos_hdr()
269 	if (ieee80211_vif_is_mesh(&sdata->vif)) {  in ieee80211_set_qos_hdr()
275 		if (!ieee80211_is_qos_nullfunc(hdr->frame_control))  in ieee80211_set_qos_hdr()