Commit 5aae2880 authored by Ron Rindjunsky's avatar Ron Rindjunsky Committed by David S. Miller
Browse files

mac80211: A-MPDU Rx add MLME structures

This patch adds the needed structures to describe the Rx aggregation MLME per STA
 - struct tid_ampdu_rx: TID aggregation information (Rx)
 - struct sta_ampdu_mlme: MLME aggregation information for STA
 - struct sta_info: ampdu_mlme added to describe A-MPDU MLME per STA,
		    and timer_to_tid added to map timer id into TID
Signed-off-by: default avatarRon Rindjunsky <>
Signed-off-by: default avatarJohn W. Linville <>
Signed-off-by: default avatarDavid S. Miller <>
parent 1b7d03ac
......@@ -31,6 +31,51 @@
#define WLAN_STA_WME BIT(9)
#define WLAN_STA_WDS BIT(27)
#define STA_TID_NUM 16
#define HT_AGG_STATE_IDLE (0x0)
* struct tid_ampdu_rx - TID aggregation information (Rx).
* @state: TID's state in session state machine.
* @dialog_token: dialog token for aggregation session
* @ssn: Starting Sequence Number expected to be aggregated.
* @buf_size: buffer size for incoming A-MPDUs
* @timeout: reset timer value.
* @head_seq_num: head sequence number in reordering buffer.
* @stored_mpdu_num: number of MPDUs in reordering buffer
* @reorder_buf: buffer to reorder incoming aggregated MPDUs
* @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
struct tid_ampdu_rx {
u8 state;
u8 dialog_token;
u16 ssn;
u16 buf_size;
u16 timeout;
u16 head_seq_num;
u16 stored_mpdu_num;
struct sk_buff **reorder_buf;
struct timer_list session_timer;
* struct sta_ampdu_mlme - STA aggregation information.
* @tid_agg_info_rx: aggregation info for Rx per TID
* @ampdu_rx: for locking sections in aggregation Rx flow
struct sta_ampdu_mlme {
struct tid_ampdu_rx tid_rx[STA_TID_NUM];
spinlock_t ampdu_rx;
struct sta_info {
struct kref kref;
......@@ -101,6 +146,8 @@ struct sta_info {
struct ieee80211_ht_info ht_info; /* 802.11n HT capabilities
of this STA */
struct sta_ampdu_mlme ampdu_mlme;
u8 timer_to_tid[STA_TID_NUM]; /* convert timer id to tid */
struct sta_info_debugfsdentries {
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