diff options
| author | Javier Cardona <javier@cozybit.com> | 2012-01-17 18:17:46 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-18 14:38:06 -0500 |
| commit | 65e8b0ccb6cf176f8eddb1b05534be46580da9dd (patch) | |
| tree | 873c06bd136f80dc2a57a06e086d6934c0daab9c /net/mac80211/mesh_plink.c | |
| parent | f96b08a7e6f69c0f0a576554df3df5b1b519c479 (diff) | |
| download | talos-obmc-linux-65e8b0ccb6cf176f8eddb1b05534be46580da9dd.tar.gz talos-obmc-linux-65e8b0ccb6cf176f8eddb1b05534be46580da9dd.zip | |
mac80211: Use the right headroom size for mesh mgmt frames
Use local->tx_headroom instad of local->hw.extra_tx_headroom.
local->tx_headroom is the max of hw.extra_tx_headroom required by the
driver and the headroom required by mac80211 for status reporting. On
drivers where hw.extra_tx_headroom is smaller than what mac80211
requires (e.g. ath5k), we would not reserve sufficient buffer space to
report tx status.
Also, don't reserve local->tx_headroom + local->hw.extra_tx_headroom.
Reported-by: Simon Morgenthaler <s.morgenthaler@students.unibe.ch>
Reported-by: Kai Scharwies <kai@scharwies.de>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_plink.c')
| -rw-r--r-- | net/mac80211/mesh_plink.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 41ef1b476442..a17251730b9e 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -172,7 +172,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) + sizeof(mgmt->u.action.u.self_prot); - skb = dev_alloc_skb(local->hw.extra_tx_headroom + + skb = dev_alloc_skb(local->tx_headroom + hdr_len + 2 + /* capability info */ 2 + /* AID */ @@ -186,7 +186,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, sdata->u.mesh.ie_len); if (!skb) return -1; - skb_reserve(skb, local->hw.extra_tx_headroom); + skb_reserve(skb, local->tx_headroom); mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
