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mac80211: fix RX aggregation timeouts 

The values are in TUs (1.024ms), not ms.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-02-10 21:25:45 +01:00 committed by John W. Linville
parent 8b1c814d65
commit 20ad19d0ac
4 changed files with 9 additions and 12 deletions
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2
net/mac80211/ieee80211_i.h
View File

@ -57,6 +57,8 @@ struct ieee80211_local;
*/
#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
struct ieee80211_fragment_entry {
unsigned long first_frag_time;
unsigned int seq;

1
net/mac80211/mesh_hwmp.c
View File

@ -58,7 +58,6 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
#define PERR_IE_DST_ADDR(x) (x + 2)
#define PERR_IE_DST_DSN(x) u32_field_get(x, 8, 0);
#define TU_TO_EXP_TIME(x) (jiffies + msecs_to_jiffies(x * 1024 / 1000))
#define MSEC_TO_TU(x) (x*1000/1024)
#define DSN_GT(x, y) ((long) (y) - (long) (x) < 0)
#define DSN_LT(x, y) ((long) (x) - (long) (y) < 0)

16
net/mac80211/rx.c
View File

@ -1673,11 +1673,9 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4;
/* reset session timer */
if (tid_agg_rx->timeout) {
unsigned long expires =
jiffies + (tid_agg_rx->timeout / 1000) * HZ;
mod_timer(&tid_agg_rx->session_timer, expires);
}
if (tid_agg_rx->timeout)
mod_timer(&tid_agg_rx->session_timer,
TU_TO_EXP_TIME(tid_agg_rx->timeout));
/* manage reordering buffer according to requested */
/* sequence number */
@ -2414,11 +2412,9 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
/* new un-ordered ampdu frame - process it */
/* reset session timer */
if (tid_agg_rx->timeout) {
unsigned long expires =
jiffies + (tid_agg_rx->timeout / 1000) * HZ;
mod_timer(&tid_agg_rx->session_timer, expires);
}
if (tid_agg_rx->timeout)
mod_timer(&tid_agg_rx->session_timer,
TU_TO_EXP_TIME(tid_agg_rx->timeout));
/* if this mpdu is fragmented - terminate rx aggregation session */
sc = le16_to_cpu(hdr->seq_ctrl);

2
net/mac80211/sta_info.h
View File

@ -88,7 +88,7 @@ struct tid_ampdu_tx {
* @stored_mpdu_num: number of MPDUs in reordering buffer
* @ssn: Starting Sequence Number expected to be aggregated.
* @buf_size: buffer size for incoming A-MPDUs
* @timeout: reset timer value.
* @timeout: reset timer value (in TUs).
* @dialog_token: dialog token for aggregation session
*/
struct tid_ampdu_rx {