Commit cf6bb79a authored by Helmut Schaa's avatar Helmut Schaa Committed by John W. Linville
Browse files

mac80211: Use appropriate TID for sending BAR, ADDBA and DELBA frames 



Currently BAR, ADDBA and DELBA frames are always sent using AC_VO. If
the TID for which a BA session is established is assigned to a different
queue BAR, ADDBA and DELBA frames can "overtake" frames of the according
BA session.

Hence, always put BA session related frames into the same queue as the
BA sessions data frames.

Signed-off-by: default avatarHelmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4d33960b

net/mac80211/agg-tx.c

+2 −2
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, 
	mgmt->u.action.u.addba_req.start_seq_num =

					cpu_to_le16(start_seq_num << 4);



	ieee80211_tx_skb(sdata, skb);

	ieee80211_tx_skb_tid(sdata, skb, tid);

}



void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn)
@@ -136,7 +136,7 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn) 
	bar->start_seq_num = cpu_to_le16(ssn);



	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;

	ieee80211_tx_skb(sdata, skb);

	ieee80211_tx_skb_tid(sdata, skb, tid);

}

EXPORT_SYMBOL(ieee80211_send_bar);

net/mac80211/ht.c

+1 −1
Original line number Diff line number Diff line
@@ -300,7 +300,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 
	mgmt->u.action.u.delba.params = cpu_to_le16(params);

	mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);



	ieee80211_tx_skb(sdata, skb);

	ieee80211_tx_skb_tid(sdata, skb, tid);

}



void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,

net/mac80211/ieee80211_i.h

+10 −1
Original line number Diff line number Diff line
@@ -1349,7 +1349,16 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke 
				     gfp_t gfp);

void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);

void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);

void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);



void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,

			  struct sk_buff *skb, int tid);

static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,

				    struct sk_buff *skb)

{

	/* Send all internal mgmt frames on VO. Accordingly set TID to 7. */

	ieee80211_tx_skb_tid(sdata, skb, 7);

}



void ieee802_11_parse_elems(u8 *start, size_t len,

			    struct ieee802_11_elems *elems);

u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,

net/mac80211/tx.c

+4 −4
Original line number Diff line number Diff line
@@ -2696,15 +2696,15 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, 
}

EXPORT_SYMBOL(ieee80211_get_buffered_bc);



void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)

void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,

			  struct sk_buff *skb, int tid)

{

	skb_set_mac_header(skb, 0);

	skb_set_network_header(skb, 0);

	skb_set_transport_header(skb, 0);



	/* Send all internal mgmt frames on VO. Accordingly set TID to 7. */

	skb_set_queue_mapping(skb, IEEE80211_AC_VO);

	skb->priority = 7;

	skb_set_queue_mapping(skb, ieee802_1d_to_ac[tid]);

	skb->priority = tid;



	/*

	 * The other path calling ieee80211_xmit is from the tasklet,

CRA Git | Maintained and supported by SUSTech CRA and CCSE