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authorArik Nemtsov <arik@wizery.com>2011-08-30 09:32:38 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 15:45:03 -0400
commitedf6b784c0e574696915e7b04fe42158f3112d0d (patch)
treed423c979f0c87ba04891349c08d95573b43f90aa /net
parent24616152b1d184864370c5ea21f8fdbd5a90d58d (diff)
mac80211: add flag to indicate HW only Tx-agg setup support
When this flag is set, Tx A-MPDU sessions will not be started by mac80211. This flag is required for devices that support Tx A-MPDU setup in hardware. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/agg-tx.c3
-rw-r--r--net/mac80211/debugfs.c2
-rw-r--r--net/mac80211/tx.c3
3 files changed, 6 insertions, 2 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index f10e1096c332..250b9a53f6d9 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -360,7 +360,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
return -EINVAL;
if ((tid >= STA_TID_NUM) ||
- !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION))
+ !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) ||
+ (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW))
return -EINVAL;
#ifdef CONFIG_MAC80211_HT_DEBUG
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 569609b94c8c..c9141168fd43 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -350,6 +350,8 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n");
if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)
sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n");
+ if (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)
+ sf += snprintf(buf + sf, mxln - sf, "TX_AMPDU_SETUP_IN_HW\n");
rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
kfree(buf);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c9766ccb51a4..2521716aa97b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1232,7 +1232,8 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
tx->sta = sta_info_get(sdata, hdr->addr1);
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
- (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
+ (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) &&
+ !(local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)) {
struct tid_ampdu_tx *tid_tx;
qc = ieee80211_get_qos_ctl(hdr);