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authorLiad Kaufman <liad.kaufman@intel.com>2014-11-19 13:47:38 +0200
committerJohannes Berg <johannes.berg@intel.com>2014-11-19 18:45:36 +0100
commitb6da911b3cf1d342f2f7123c9eb6463d299bca4e (patch)
tree7e90aaf36e8149ca731e4d8589d9d18556de933b /net/mac80211/sta_info.h
parent4f9610d528a6aa5642fa350fa93fbd905a753ae8 (diff)
downloadlinux-sh-b6da911b3cf1d342f2f7123c9eb6463d299bca4e.tar.gz
mac80211: synchronously reserve TID per station
In TDLS (e.g., TDLS off-channel) there is a requirement for some drivers to supply an unused TID between the AP and the device to the FW, to allow sending PTI requests and to allow the FW to aggregate on a specific TID for better throughput. To ensure that the allocated TID is indeed unused, this patch introduces an API for blocking the driver from TXing on that TID. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
-rw-r--r--net/mac80211/sta_info.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 00f56eb72c60..4f052bb2a5ad 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -254,6 +254,9 @@ struct ieee80211_tx_latency_stat {
u32 bin_count;
};
+/* Value to indicate no TID reservation */
+#define IEEE80211_TID_UNRESERVED 0xff
+
/**
* struct sta_info - STA information
*
@@ -342,6 +345,7 @@ struct ieee80211_tx_latency_stat {
* AP only.
* @cipher_scheme: optional cipher scheme for this station
* @last_tdls_pkt_time: holds the time in jiffies of last TDLS pkt ACKed
+ * @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED)
*/
struct sta_info {
/* General information, mostly static */
@@ -459,6 +463,8 @@ struct sta_info {
/* TDLS timeout data */
unsigned long last_tdls_pkt_time;
+ u8 reserved_tid;
+
/* keep last! */
struct ieee80211_sta sta;
};