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mac80211: A-MPDU Rx add MLME structures

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This patch adds the needed structures to describe the Rx aggregation MLME per STA
new:
 - struct tid_ampdu_rx: TID aggregation information (Rx)
 - struct sta_ampdu_mlme: MLME aggregation information for STA
changed:
 - 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: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Rindjunsky 2007-12-25 17:00:32 +02:00 committed by David S. Miller
parent 1b7d03acbf
commit 5aae288061
1 changed files with 47 additions and 0 deletions
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47
net/mac80211/sta_info.h
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@ -31,6 +31,51 @@
#define WLAN_STA_WME BIT(9)
#define WLAN_STA_WDS BIT(27)
#define STA_TID_NUM 16
#define ADDBA_RESP_INTERVAL HZ
#define HT_AGG_STATE_INITIATOR_SHIFT (4)
#define HT_AGG_STATE_REQ_STOP_BA_MSK BIT(3)
#define HT_AGG_STATE_IDLE (0x0)
#define HT_AGG_STATE_OPERATIONAL (0x7)
/**
* 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 */
#ifdef CONFIG_MAC80211_DEBUGFS
struct sta_info_debugfsdentries {