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authorJohannes Berg <johannes@sipsolutions.net>2009-02-10 21:25:45 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-02-13 13:45:32 -0500
commit20ad19d0ac7389b04b566ebf3e0e497974f63ffa (patch)
treeaf1a3d93f6f16f20f514fb940003dd0a85aef196 /net
parent8b1c814d65ae3219ee19d39ad6097f3d5249c23d (diff)
downloadop-kernel-dev-20ad19d0ac7389b04b566ebf3e0e497974f63ffa.zip
op-kernel-dev-20ad19d0ac7389b04b566ebf3e0e497974f63ffa.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/mesh_hwmp.c1
-rw-r--r--net/mac80211/rx.c16
-rw-r--r--net/mac80211/sta_info.h2
4 files changed, 9 insertions, 12 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 67bd522..5b23001 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -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;
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 4f862b2..60b35ac 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -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)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5a733c52..f34cc66 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -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);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index d75c870..a070bd9 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -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 {
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